1. No category

Condensation-type wall-hung room
sealed fan-assisted boiler with
stainless steel storage tank
S.C HABITAT & SERVICE INSTALATII S.R.L
str. Biharia nr.67-77, sector 1, Bucuresti, ROMANIA
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Tel.: 0729 983 578
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VICTRIX Zeus 26 1 I
VICTRIX Zeus 26 1 I
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Technical Documentation
Technical Documentation
VICTRIX Zeus 26 1 I
Wall-mounted, fan-assisted condensing boiler
with domestic hot water storage tank
VICTRIX Zeus 26 1 I
General features.
VICTRIX Zeus 26 1 I is a wall-mounted, sealed chamber,
fan-assisted generator (type C) for central heating and the
production of domestic hot water with storage tank.
The VICTRIX Zeus 26 1 I range is type-approved for installation outside the building in a partially protected place.
N.B.: A partially protected location is one in which the appliance
is not exposed to the direct action of the weather (rain, snow,
hail, etc..).
The boiler can also be installed in the B23 configuration using
the relevant kit (optional).
The appliance is available with useful heat output of 23,6 kW
(20.296 kW in DHW mode) in CH mode and 26 kW (22.360
kcal/h) which, thanks to condensing technology, distinguishes
itself due to its high efficiency and large field of modulation
(from 12 % to 100 % of the nominal heat output).
The boiler has a total premix combustion system that guarantees particularly reduced pollutant emissions and allows
functioning with natural gas or LPG.
The regulation and control are entrusted to a P.C.B. with integrated microprocessor with continuous flame modulation via 2
sensors (DHW and CH), which through a backlit display shows
the functioning state of the boiler (temperatures, safety devices,
etc.) and allows the connection (optional) to the Comando
Amico Remoto remote control, which allows to manage and
control the boiler at a distance easily, to the external probe, to
the relay interface (for coupling to any valves), to the control
unit for area systems and to the Multi-system Distribution
Manifold.
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The boiler has anti-freeze safety device as per standard that
protects it to a minimum temperature of -5°C (optional to
-15°C).
The hydraulic circuit has a water-gas heat exchanger with coil
in STAINLESS STEEL and uses a hydraulic unit composite
material which, as well as the pump and electric 3-way valve
that according to necessity allow boiler water to circulate in
the CH system or in the storage tank coil for the production
of DHW, also houses the hydraulic control devices (absolute
system pressure switch, 3 bar safety valve, system adjustable
by-pass, etc...).
The VICTRIX Zeus 26 1 I boiler must be installed using the
intake/exhaust kits or the ducting systems (Ø 60 mm rigid,
Ø 80 mm rigid and Ø 80 mm flexible) realised in plastic and
designed expressly for Immergas condensing boilers.
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Technical Documentation
Technical Documentation
Main dimensions ad VICTRIX Zeus 1 I connections
Key:
V - Electrical connection
G - Gas supply
SC - Condensate drain (minimum internal diameter
Ø 13 mm)
R - System return
M - System flow
RC - Domestic hot water pump (optional)
AC - Domestic hot water outlet
AF - Domestic hot water inlet
Height (mm)
Width (mm)
Depth (mm)
580
380
890
GAS
G
1/2”
CONNECTIONS
DOMESTIC
HOT WATER
AC
AF
1/2”
1/2”
SYSTEM
R
M
3/4”
3/4”
N.B.: Connection group (Optional)
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VICTRIX Zeus 1I control panel
Key:
1 -
2 -
3 -
4 -
5 -
Boiler status signal display
Stand-by-Domestic water / Remote Control - Domestic water and Heating-Reset Selector
Domestic hot water temperature selector
Central heating temperature selector
Boiler manometer
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VICTRIX Zeus 1I main components
Key:
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
System filling valve
Condensate drain trap
Gas valve
/way valve (motorised)
3 bar safety valve
System pressure switch
Boiler pump
Vent valve
Fan
Gas nozzles
Venturi
Detection electrode
Condensation module
Flue safety thermostat
Air intake pipe
Sample points (air A) - (flue gas F)
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17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27 -
28 -
29 -
30 -
Negative signal pressure point
Burner
Positive signal pressure point
Manual air vent valve
Ignition electrode
System expansion vessel
Delivery probe
Safety thermostat
Control panel
Domestic hot water probe
Stainless steel storage tank
V8 bar safety valve
Storage tank unit draining valve
System draining valve
N.B.: Connection group (Optional)
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VICTRIX Zeus 1 I
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Technical Documentation
VICTRIX Zeus 1I hydraulic diagram
Key:
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27 -
28 -
29 -
30 -
31 -
32 -
33 -
34 -
35 -
36 -
37 -
Condensate drain trap
Stainless steel coil for storage tank
Magnesium anode
Stainless steel storage tank
Gas valve
Gas valve outlet pressure point (P3)
Air/gas Venturi manifold
Fan
Gas nozzle
Detection electrode
Flue safety thermostat
Air intake pipe
Condensation module
Manual air vent valve
Flue hood
Air sample point
∆p gas pressure point
Flue sample point
Delivery probe
Safety thermostat
Burner
Ignition electrodes
Condensation module cover
Venturi negative sign (P2)
Venturi positive sign (P2)
System expansion vessel
Boiler pump
Adjustable by-pass
System pressure switch
System draining valve
Three-way valve (motorised)
Domestic hot water probe
3 bar safety valve
System filling valve
8 bar safety valve
Cold water inlet non-return valve
Storage tank unit draining valve
G - Gas supply
SC - Condensate drain (minimum internal
diameter Ø 13 mm)
AC - Domestic hot water outlet
AF - Domestic cold water inlet
R - System return
M - System flow
The hot water used for central heating and domestic hot water
is produced via a primary and a secondary circuit (DHW)
which are affected according to necessity.
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Primary circuit (boiler circuit)
The primary circuit, with relative control and safety devices,
is started every time there is a central heating or domestic
hot water request.
(31), which depending on request, allows flow towards the
system flow (M) and return (R) pipes or causes diversion
towards the coil (2).
Operation (see hydraulic diagram).
Head-flow rate graphics.
The progress of the curve that represents the flow rate-head ratio
available to the system, depends on the functioning speed of the
pump and adjustment of the system by-pass which, according
to the position, allows to set greater or less head on he system.
The graphs below show the characteristic curves.
The heat contained in the combustion products is absorbed
by the pipes of the water-gas primary heat exchanger with
coil (13) which, then gives the heat up to the water made to
circulate inside the boiler pump (27). The water is introduced
directly into the system or can be diverted inside the storage
tank coil (2).
This depends on the position of the motorised 3-way valve
Head (m c.a.)
Head (kPa)
VICTRIX Zeus 1I
A
C
D
B
Flow rate Litres/h
A = Head available to the plant at third speed (with by-pass excluded)
B = Head available to the plant at third speed (with by-pass inserted)
C = Head available to the plant at second speed (with by-pass excluded)
D = Head available to the plant at second speed (with by-pass inserted)
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Boiler pump (1).
Operates on the primary circuit return immediately after the
3-way valve to which it is connected. It is part of the integrated
multifunction unit realised in composite material.
There is a seat on the body where the automatic air vent valve
(2) is housed.
2
1
Primary heat exchanger
(condensation module).
It is formed from a casing that contains 4 elements with a
coil shape.
Each element is made up from 5 elliptical spirals (3).
The entire module is realised in stainless steel and its internal
part makes up the sealed combustion chamber and the condensation chamber (2).
The first three elements are affected directly by the action of
the cylindrical burner applied to the front, while the fourth is
arranged in the condensation chamber, which is separated from
the combustion chamber by sheet steel (see flue circuit).
PTo reduce head losses to a minimum and increase the flow rate
available to the system, the flow is made up from the parallel
connection of the first two elements, the return, instead is made
up from the parallel connection of the last two elements.
The heat exchanger inlet is connected to the pump flow and the
outlet, on which the NTC central heating probe is positioned
(1), is connected to the primary circuit flow.
The primary circuit return and flow pipes are coupled using
threaded fittings with flat gasket.
The flue hood (4) is connected to the rear using a relevant
gasket blocked by a metal ring.
The condensate drain is also found in the lower part.
To ease the escape of any air bubbles still present in the coils,
there is a manual air vent in the upper part of the module
(5).
4
FLUE GAS
5
3
2
1
FLOW
RETURN
EXHAUST
CONDENSATE
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Motorised 3-way valve.
It is an electric 3-way valve operating on he primary circuit
return that allows, according to request (DHW or CH), to
introduce boiler water into the CH system or the storage
tank coil.
This depends on the position of the shutter (5) which, closes
the passage towards the system opening it at the same time
towards the storage tank (DHW position) or vice versa (CH
position).
The shutter (5) is moved into both positions by powering the
motor (1).
The hydraulic part is made up from a group of composite
material (2) that also integrates the pump and is put into
action thanks to a motor (1) that causes movement according
to necessity.
Flow
Pump
Return
coil
storage tank
Operation.
When it is necessary to reach the CH or DHW position, the
motor (1) is activated by the P.C.B.
Functioning of the motor leads to the movement of the shutter
(5) at every 180° rotation and compresses (CH position) or leaves (DHW position) the shutter contrast spring to release (4).
Both the spring (4) and the shutter (5) are situated inside the
3-way cartridge (3).
The hydraulic arrival at the requested position, alternatively
causes the opening and closure of one of the two end run micro
switches (6) organised inside the motor box (1).
This allows to remove voltage to the motor blocking it in the
position reached and to enable motor functioning only in the
presence of a different request (DHW or CH signal).
Return
system
RETURN
PUMP
RETURN
COIL
RETURN
SYSTEM
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Safety devices and controls.
System adjustable by-pass (2).
Guarantees the circulation of water in the primary circuit
(between flow and return) also when the high resistance of the
system does not allow it.
It is mounted on the flow manifold unit (1) and can be adjusted by a screw that can be accessed from the lower part of the
valve support plate.
System filing unit (3).
It is a ball valve positioned between the boiler circuit and the
domestic cold water inlet that allows to pressurise the CH
system.
The valve is connected to a filling fitting (4), which is then
connected to the motorised 3-way valve unit.
Flow
System
4
6
System pressure switch (5).
Detects the pressure inside the primary circuit.
Its seat is in the flow manifold unit (1) and is coupled to a
micro switch that prevents functioning of the burner when
the pressure detected is below 0.3 bar.
Prevents overheating of the main heat exchanger.
3
Automatic air vent valve(6).
Allows the automatic expulsion of the gaseous substances that
may be present in the boiler circuit.
It is mounted on the pump flow directly on the hydraulic
unit.
3 bar safety valve (7).
Prevents the safety pressure in the primary circuit from being
exceeded (3 bar).
It is engaged in the front part of the flow manifold unit (1)
and is fixed onto the external side using a clip.
Its intervention causes water to escape from the flow pipe.
System expansion vessel (8).
It compensates the volume variation consequent to heating
the water, thus limiting the pressure variations.
It has a capacity of 10 litres (useful 7.1 litres) and a factory-set
pressure of 1.0 bar.
It is positioned in front of the storage tank in the area in front
of the appliance.
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GIM Multifunction Integrated Unit
9
8
6
7
2
3
1
14
4
5
10
11
15
12
13
By-pass cartridge replacement.
To replace the by-pass cartridge, loosen the relevant 2 screws 12
that fix the cartridge body (11) to the flow manifold (10).
N.B.: when re-mounting the by-pass cartridge body pay particular attention not to damage the gasket.
Before replacing the various components present on the GIM
unit, the water present inside the primary circuit must be
drained by opening the system draining valve (15).
Before draining, ensure that the system filling valve is closed.
Three-way valve cartridge replacement.
To replace the 3-way cartridge (1) slide the locking clip out (2)
and extract the small electric motor (3) and then unscrew the
screw fasteners (4) that fix the cartridge (1) to the composite
body (6).
N.B.: when re-mounting the cartridge, pay particular attention to correctly insert the two small sheet steel reinforcement
plates (5).
3 bar safety valve replacement.
To replace the 3 bar safety valve (13) slide the relative locking
clip out.
N.B.: when re-mounting the 3 bar valve, pay particular attention to insert the relative O-ring correctly.
System pressure switch replacement.
To replace the system pressure switch (14), slide the relevant
locking clips out.
N.B.: when re-mounting the system pressure switch, pay particular attention to insert the relative O-ring correctly.
Pump motor replacement.
To replace the pump body, remove the 4 screws (8) that fix the
motor (7) to the composite body (6).
Replacement of the automatic air vent valve.
To replace the air vent valve, the relative locking clip must be
removed and the valve extracted (9) paying attention not to
damage the relative O-ring.
N.B.: when re-mounting the air vent valve, pay particular
attention to insert the relative O-ring correctly.
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Secondary circuit (domestic hot water circuit)
The DHW circuit is affected every time it is necessary to take
the temperature of the water contained in the storage tank to
the desired temperature (2) and is measures using the DHW
NTC probe (9).
This can take place in the case of a domestic hot water withdrawal or to restore the losses due to heat loss.
through its walls.
The CH phase is excluded in this phase over which the production of DHW has priority.
Operation.
Following a DHW request, the P.C.B. starts the boiler pump
(7) and powers the electric 3-way valve motor (8).
The consequent shifting of the valve into the DHW position
(see electric 3-way valve functioning) leads to the closure of the
system return pipe (R) and the simultaneous opening of the
passage towards the storage tank coil (4).
In this way circulation inside the CH system is prevented,
while it is allowed in the coil (4) which, allows the cold water
to absorb the heat contained in the primary circuit water
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Storage tank.
DHW expansion vessel (11) (optional).
It compensates the volume variation consequent of heating of
the water contained in the storage tank.
It is connected to the safety valve unit and has a capacity of 2
litres with factory-set pressure of 2.5 bar.
It is a 45 litre stainless steel storage tank with coil and totally
insulated using self-extinguishing polystyrene.
It has an external casing enclosed in the lower part by a flange
fixed using 12 screws.
A stainless steel double concentric coil is inserted in a pipe
(4) (coil) that passes through the entire height of the storage
tank and through the walls of which heat exchange takes place
between the hot water in the primary circuit and the water
contained in the storage tank.
This allows to keep the storage tank water at a constant temperature and in the presence of a withdrawal guaranteed the
instant production of DHW.
If necessary, it is possible to extract the coil from the storage
tank after having removed the lower inspection flange.
Its regular functioning and its integrity are guaranteed by the
following devices:
1
2
Anode (1).
It is inserted into the storage tank and protects it from the
action of galvanic currents.
It is screwed onto the lower flange.
Coil
flow
4
Return
coil
Polyphosphate dispenser (optional).
Prevents the deposit of lime scale on the walls of the coil.
This appropriate kit is mounted at the inlet of the domestic
cold water.
9
Pump kit (optional).
Allows to connect the pipes of any DHW pump system.
It consists in a pipe that is inserted in the boiler after the anode
and relative cap have been removed.
With the installation of the kit the anode must be screwed to
the end of the pipe.
A further kit is available (optional) including(circulator) for the
DHW circulation system.
The kit is installed within the clearance of the boiler and the
pump projects slightly below the appliances lower plastic
grid.
13
12
Output
hot
water
10
Inlet
cold
water
DHW NTC probe (B2) (9).
It allows the P.C.B. to detect the temperature of the water
contained in the storage tank.
It is fixed to the external wall of the storage tank and is inserted
inside an immersion sample point.
Safety valve unit (13).
It is a unit situated in the lower part of the storage tank in
correspondence of the domestic cold water inlet.
As well as an 8 bar valve (10) that prevents the safety pressure
in the storage tank from being exceeded, it includes:
- one filter, one 10 l/min flow limiter and a one-way valve (see
hydraulic circuit part. “5”) to prevent the consequent pressure
increase due to heating of the DHW causes return towards
the water network.
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Air-gas circuit
Gas valve.
The gas valve is equipped with two main coils controlled by
the electric circuit and with a pneumatic unit that modulates
the outlet gas pressure in 1:1 ratio to the pressure (P1) detected
on the inlet of the Venturi pipe.
The calibration of the ratio between the air and gas pressures
are carried out on the valve (off-set) (see gas regulations).
Electric coils (4).
There are two ON-OFF coils that are powered (24 V DC) by
an integrated P.C.B. when the burner must be ignited.
They are connected in series and powered by a voltage of 24
V through a connection connector (3).
Pneumatic unit (2).
Allows to vary the outlet pressure in 1:1 ratio with the pressure
(P1) detected at the inlet of the Venturi pipe that is taken back
to the valve using a small silicone pipe (1).
Thanks to this system, the percentages in the air-gas mixture
are maintained constant at optimal values on the entire range
of modulation, thus guaranteeing a more or less constant
combustion efficiency.
The air-gas ratio calibration can be performed using the off-set
adjusting screw (2).
This is necessary only when, after having performed flue
analysis, incorrect combustion parameter values are detected
(see air-gas ratio regulation).
The circuit consists of a total premix combustion system composed of a fan (5), a pneumatic gas valve (7), a Venturi pipe
(3) and a special cylindrical burner (8) that operates inside the
condensation module.
Operation.
The fan (5) is controlled by the integrated P.C.B. that varies
its speed depending on the output requested.
Its functioning allows to withdraw combustion agent air from
outside of the sealed chamber and introduce it into a pipe
where a Venturi pipe is inserted (3).
At the inlet to the Venturi (3) there is a positive pressure signal
(P1) variable in a directly proportional manner to the amount
of air taken in by the fan (5) and which is detected by a pressure
point connected to the pneumatic gas valve (7).
The electric power supply of the valve main coils causes both
internal shutters to open and allows the passage of gas, whose
outlet pressure is regulated by the same pneumatic valve in a
1:1 ratio to pressure “P1”.
The gas is injected at the entry of the Venturi pipes (3) through a nozzle (4), where the premix starts with the combustion
agent air.
The mixture obtained in this way is ignited on the surface
of the cylindrical burner (8) by the discharge of the ignition
electrodes (9).
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Fan.
Operates upstream from the combustion chamber and is
positioned under the condensation module.
It is controlled by the integrated P.C.B. with a positive square
wave signal with variable ON-OFF (duty-cycle) ratio.
Its speed is adjusted (from about 1100 to about 5100 rpm)
depending on the power requested and is controlled using a
sensor with Hall effect, which detects the number of revs.
The fan withdraws the combustion agent air through a plastic
pipe (1), which contributes to reducing the noise and optimises
burner ignition.
The variation of the air flow rate that is introduced into the
mixing pipe, leads to the change of the pressure signal (P1) at
the inlet of the Venturi pipe and allows the pneumatic valve
to regulate the pressure of the outlet gas.
1
Venturi.
The Venturi pipe (1) is inserted into a sealed pipe, inside which
the combustion agent air and the gas are mixed.
The air is introduced by the fan in the lower area of the pipe,
while the gas exiting the valve is injected by a nozzle (2) in
correspondence with the Venturi pipe inlet (1).
The passage of air in the pipe creates a depression (“Venturi
effect”) which, through the 4 holes (3) present at its base, allow
to “drag” the gas inside and to mix it with the air.
The nozzle (2) has a different diameter depending on whether
natural gas or LPG is used as, working with both gases with
more or less constant pressure, its section establishes the correct
gas flow rate.
There are two pressure points at the ends of the Venturi pipe,
used to detect the inlet (P1) and outlet (P2) signals.
Using two small silicon pipes, these signals are taken respectively to the pneumatic gas valve, which must regulate the gas
pressure and to the negative pressure point (P2) arranged in
the upper part of the sealed chamber.
AIR
4
5
Burner.
It is a cylindrical burner (5) made up from 2 concentric sheet
steel sections, appropriately perforated and built using special
steel that is particularly resistant to high temperatures and
corrosion.
It is inserted inside the condensation module, in a sealed
combustion chamber closed by a flange (4) onto which the
burner is fixed, which in the meantime guarantees its direct
connection to the air-gas mixing pipe (6).
The premixing, the lack of secondary air and the construction
features of the burner ensure high combustion efficiency and
particularly reduced pollutant emissions (see technical data
depending on the model).
The material's high resistance to temperature, allows to work
with a very low flame at a minimum power of 3.0 kW (2.580
kcal/h) (10 % of the nominal output).
Ignition takes place by means of an integrated P.C.B. that
controls the ignition (7) and detection electrodes (9).
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9
7
2
6
3
GAS
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P1
P2
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Ignition electrodes (7).
They are controlled by an igniter (activated by the integrated
P.C.B.) that causes an electrical spark between the two electrodes on which, on contact, the air-gas mixture ignites.
The electrode (8) has no ceramic insulation and is connected
directly to earth (blind electrode).
They are positioned on the right side of the burner and fixed
onto the flange (4) of the same.
Note: If the igniter must be replaced, for correct connection
of the ignition electrodes, follow the lay-out given below
(otherwise no discharge is obtained).
AIR
4
Detection electrode (9).
It is controlled by the integrated P.C.B. and detected burner
ignition.
It also acts as a flue safety device when any air intake problems
or problems with the evacuation of combustion products make
the burner function below minimum output.
In this case the flame block due to no detection by the electrode.
In order to protect the combustion circuit, the same type of
block prevents the module from filling with water when there
is difficulty draining condensate (trap blocked, etc).
It is fixed onto the left side of the burner flange (4).
1
5
8
9
7
2
6
3
Note: In the case of ignition block, check the distances of the
ignition and detection electrodes keeping to the heights stated
in the figure below.
P1
P2
GAS
IGNITER DRAWING
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Disassembly of combustion circuit main components.
3
4
2
12
11
A
8
14
13
10
6
17
18
1
7
9
15
3
16
5
A
19
23
24
9
25
7
26
20
21
26
22
Before disassembling the components, make sure the gas cock
is closed.
part of the module. Loosen the two screws (7) and (9) that fix
the condensation module to the support back using brackets
and sheet steel. Loosen the screws (2) positioned above the flue
hood and push the stub pipe down (4) in a way to release the
flue hood from the flange with sample points.
Gas nozzle replacement (19).
Loosen the gas pipe (16) in order to access the gas nozzle (19)
positioned at the entry of the Venturi pipe, then replace it with
the gas nozzle that has the suitable diameter for the type of gas
(see gas transformation).
N.B.: when restoring the connection between the flue hood
and flange with sample points, check the status of the two
flue gaskets (3).
N.B.: on re-assembly of the nozzle (19), pay particular attention to the correct positioning of the gas gasket.
Flue hood disassembly from the condensation module.
Loosen the three nuts (26) that fix the flue hood to the rear
of the condensation module (8) and then separate the hood
from the module.
Burner disassembly (10).
Loosen the gas pipe (16) and unscrew the two screws (21)
that fix the manifold to the fan, then loosen the 6 blind nuts
(15) that block the gas manifold flange to the condensation
module (8). To replace the burner gasket in graphite (11)
loosen the 4 screws (24).
N.B.: when restoring the connection between flue hood and
module, pay particular attention to the correct positioning of
the lip gasket (6) and the containment gasket (5).
Disassembly and replacement of ignition and detection
electrodes.
N.B.: on re-mounting the burner/manifold unit, pay particular
attention to the correct positioning of the cord packing (23),
gas gasket (13), gas pipe gasket (25) and gasket between fan
flange and gas manifold (18).
Loosen the two fixing screws on the ignition electrodes unit
(22). Loosen the two fixing screws on the detection electrode
(14).
Disassembly of the condensation module (8) and flue
hood (1).
N.B.: on re-mounting the ignition electrodes, make sure that
the gasket is also re-mounted correctly. For the detection electrode check re-mounting of the O-ring. For both electrodes
scrupulously follow the minimum heights stated in the drawing
in the page at the side.
Before carrying out the operation drain off all water present
inside the module.
Loosen the tightening bolts on the system flow and return pipes
and of the condensate discharge pipe positioned in the lower
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Air-gas adjustments
The calibration of the total premix combustion system, when
necessary envisions, the adjustment of the nominal heat output
and the air-gas ratio (off-set).
The two operations are only normally requested after a gas
transformation, after extraordinary maintenance (replacement
of a component of the air-gas circuit, replacement of the integrated
P.C.B. etc.) or when the appliance is not calibrated.
- enter the calibration function by positioning the DHW regulation selector switch on notch N° 6 and the CH regulation
selector switch on notch N° 9.
- turn the main selector switch to the Reset position for 15
seconds and then release it when "Id" (identification) appears
on the boiler display.
- once the calibration menu has been entered, the display
will show the DHW symbol and the flame with flashing
maximum power scale.
N.B.: The nominal output must also be adjusted during
the initial check.
Adjustment of nominal and minimum heat
output.
The availability of maximum output is linked to the length of
the intake and exhaust pipes which, increasing, slightly reduces
the amount (flow rate) of inlet air and consequently also la
pressure of the burnt gas.
The boiler is calibrated as per standard for functioning with
a Ø60/100 horizontal concentric kit with length of 1m and
therefore the use of the flue kit with greater head losses requires a check and possible adjustment of the nominal output
according to the table give below.
Domestic
hot water
Central
heating
N.B.: If identification does not take place within 15 seconds, the boiler will go into Stand-by and the error code E08
equivalent to "Reset selector switch fault" will be displayed.
To restore the appliance, turn the main selector switch to the
(Stand-by) . position.
- at this point the maximum power can be changed in DHW
mode by operating on the DHW regulation selector switch
regulating the fan speed until the pressure value is obtained
(P1-P2), which corresponds to the nominal output (notch
N° 9 corresponds to the maximum speed= 6000 revs, notch
N° 0 corresponds to the minimum speed = 4500 revs). During
regulation the display shows the speed of the fan in hundreds
of revs per minute.
- to confirm the parameter set, position the main selector
switch on Reset for 2 seconds.
P1
P2
Domestic hot water Central heating
regulation of the nominal position on
notch 9
maximum speed
N.B.: During the regulation of the maximum power in DHW
mode, the CH selector switch must be positioned at notch
N° 9.
The operation must be performed as follows and with respect
to the values stated in the heat output adjustment table:
- connect a differential manometer to the pressure points P1
(positive point) and P2 (negative point) found in the upper
part of the sealed chamber (in this way the pressure difference
at the ends of the Venturi pipes (P1-P2) is detected and a pressure
signal is measured that corresponds to the real flow rate of the
air-gas mixture at the burner).
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- after having set the maximum power in DHW mode, the
minimum power can be set (DHW and CH) by operating
on the DHW regulation selector switch adjusting the fan
speed from 960 to 1200 revs until obtaining a pressure
value (P1-P2) corresponding to the minimum power (notch
N° 9 corresponds to the maximum speed = = 1200 revs, notch
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N° 0 corresponds to the minimum speed = 960 revs). During
regulation the display shows the speed of the fan in hundreds
of revs per minute.
- to confirm the parameter set, position the main selector
switch on Reset for 2 seconds.
N.B.: If the values set are not confirmed, the calibration
values are not modified (the previous ones remain active). The
operation must be repeated from the start in order to modify
the values.
Regulation of the air-gas ratio (off-set).
The correct regulation of the air-gas ratio (1:1) takes place
in the factory and must be retouched only when carbon
dioxide (CO2) values are detected in the flue gases that are
not optimal.
Domestic hot water
regulation of CH and
DHW minimum speed
With this scope, during the initial check or following extraordinary maintenance interventions, flue analysis must be
performed at maximum heat output and minimum heat
output, which attests the goodness of the combustion in
reference to the values indicated in the table below:
Central heating
position on
notch 5
CO2 at nominal output
(central heating)
CO2 at minimum output
(central heating)
G 20
9,50% ± 0,2
9,00% ± 0,2
G 30
12,30% ± 0,2
11,80% ± 0,2
G 31
10,60% ± 0,2
10,20% ± 0,2
N.B.: During the regulation of the minimum power, the CH
selector switch must be positioned at notch N° 5.
- after having set the minimum power, the maximum power
must be set in CH mode by operating on the DHW regulation selector switch, the travel of the power regulation in
CH mode varies from maximum to minimum. In this way,
fan speed can be regulated until a pressure value is obtained
(P1-P2) that corresponds to the nominal output in CH mode
(see heat output data). During regulation the display shows
the speed of the fan in hundreds of revs per minute.
- to confirm the parameter set, position the main selector
switch on Reset for 2 seconds.
Important: the verification operations of the CO2 must be
carried out with the casing mounted, while the gas valve calibration operations must be carried out with the casing open.
Domestic hot water Central heating
regulation of the maxi- position on
mum CH speed
notch 0
N.B.: During the regulation of the maximum power in CH
mode, the CH selector switch must be positioned at notch
N° 0.
Important: The output relative to functioning in DHW
mode can be regulated up to a value equal to 26 kW, while
the functioning output in the CH phase must never exceed 24
kW (see technical data referring to the heat output).
- to confirm and memorise the settings made for each individual regulation (max. DHW, min. DHW/CH and
max. CH) always turn the main selector switch to the
Reset position for at least 2 seconds. The boiler will go into
chimney sweep mode and at this point it is possible to verify
the calibration values with burner on or exit the chimney
sweep function, by taking the main selector switch to the
Stand-by" position .
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Gas transformation.
To carry out the control correctly and, if necessary, regulate
the air-gas ratio, proceed as follows:
The adaptation to the type of gas different to that for which
the boilers are prepared as per standard is performed using the
relevant kit (methane or LPG).
The transformation consists in the replacement of the gas nozzle positioned in correspondence with the inlet of the Venturi
pipe and adjustment of the maximum heat output (see nominal
and minimum heat output regulation).
Finally, check the carbon dioxide value (CO2) at maximum
and minimum power output, which must be corrected if
necessary by regulating the off-set signal (see air-gas ration
regulation).
SIT 848 Gas Valve
Calibration of the maximum CO2 .
- start the boiler in chimney sweep functioning mode and
adjust the C.H. temperature selector, present on the control
panel, to maximum.
- withdraw the combustion products by inserting the analyser
probe fully home.
- check whether the value of carbon dioxide (CO2) is within
the limits indicated in the table regarding the maximum heat
output (see table above).
- if the values are incorrect, take them within the limits by
acting on the off-set adjusting screws (12) of the gas valve.
By turning in a clockwise direction the CO2 value decreases,
by turning in an anti-clockwise direction, it increases.
Calibration of the minimum CO2 .
- when the maximum CO2 has been regulated, take the CH
temperature selector switch, present on the control panel,
to minimum and check the correspondence of the carbon
dioxide (CO2) value measured with that indicated in the
table for the minimum output (see table at the side).
- if the values are incorrect, take them within the limits by
acting on the off-set adjusting screws (3) of the gas valve.
By turning in a clockwise direction the CO2 value decreases,
by turning in an anti-clockwise direction, it increases.
Key:
1 - Gas valve inlet pressure point
2 - Gas valve outlet pressure point
3 - Off/Set adjustment screw
12- Outlet gas flow rate regulator
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Technical Documentation
Flue circuit
Flue exhaust
1
13
12
Gas
Air
Exhaust
condensate
10
Operation.
The functioning of the fan positioned at the entry of the airgas mixing pipe, guarantees the fan-assisted expulsion of the
combustion products (5).
These directly hit the first 3 elements of the primary heat exchanger inserted in the sealed combustion chamber (6) which
has a sheet steel section on its base (7) that divides it from the
condensation chamber (2) and diverts the flow of flue gases
to the outside of the module.
In this way the flue gases, before entering the condensation
chamber (2), hit the fourth element (3) of the heat exchanger,
inside which primary circuit return water runs.
This cools the combustion products further and makes their
condensation easier before escape from the flue hood (1).
The water condensate formed inside the heat exchanger, in
the flue hood and also in the evacuation pipes flows into the
lower part of the module from where, before being discharged,
is conveyed into a trap (4). Any water formed in the intake
pipes is collected in a valley gutter (13) and by means of a
silicone pipe (10) is conveyed into the siphon (4) to then be
drained away.
4
11
when the temperature detected on the condensation module
exceeds 110 °C.
Condensate drain trap (4).
Collects the condensate that forms during boiler functioning
from the bottom of the module.
Its outlet is connected to the draining pipe (11) towards which
the passage of water is allowed but not the passage of combustion products, which could occur following obstruction of
the evacuation pipes.
The height of the column of water in the siphon is in fact
greater than the pressure detected inside the sealed chamber
(module) with the fan at maximum speed and the evacuation
pipes blocked at functioning limits.
This, however, prevents the draining of combustion products
into the sewers.
On commissioning combustion products may escape from
the exhaust pipe (11) which disappear after a few minutes
of functioning when the condensate has reached a sufficient
height. If this should take too long, fill the siphon with water
manually (4).
Flue hood (1).
It is connected to the rear part of the condensation module
and conveys the combustion products towards the drain fitting
present in the upper part of the appliance.
It is affected by the passage of combustion products and water
condensate formed inside it or in the exhaust pipes.
It is constructed in plastic, resistant to the corrosive effects of
the condensate and can work to a temperature of 130 °C (max.
flue temp with flow 85 °C = 78 °C).
A flue safety thermostat is inserted onto the condensation
module (12), to protect the flue hood (1) and which intervenes
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VICTRIX Zeus 1 I
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Intake and exhaust systems
(see intake and exhaust terminals instructions)
The VICTRIX Zeus 1I boiler is prepared for connection to the
appropriate snap-fit intake/exhaust pipes and can be installed
inside the home or outside the home or outside of the home (in
a partially protected place) in the following configurations:
Outdoor (in partially protected place):
- with sealed chamber and fan-assisted circulation with direct
intake (type C) using an appropriate top cover kit (optional)
mandatory;
- with sealed chamber and fan-assisted circulation (type C)
using the vertical or horizontal concentric kits, keeping the
lateral plugs without the obligation to use the top cover
kit.
Indoor:
- open chamber and fan-assisted circulation (type B23) using
an appropriate top cover kit (optional) mandatory;
- with sealed chamber and fan-assisted circulation (type C)
using the vertical or horizontal concentric kits or the Ø 80/80
separator kit.
For that regarding the head losses relative to each accessory,
for the various combinations that can be performed, see the
instructions relative to the intake and exhaust terminals
(boiler instruction book).
The generators with condensation technology must be installed
using the specific series of intake and exhaust pipes, which have
been designed to be coupled exclusively to the Immergas
condensing boiler.
The “GREEN SERIES” flue kit is made in plastic (PPS = selfextinguishing polypropylene) suitable for resisting the corrosive
action of the acid condensate.
A
1
3
The 80 mm diameter exhaust pipe fitting is obtained using the
flange (2) used in the divided systems.
The use of relevant accessories allows horizontal (A) or vertical
(B) exhaust.
To prevent condensate problems, the exhaust pipe must be
limited to 30 straight metres.
Configuration with open chamber and fan-assisted circulation (type B23) for indoor installation (see figure above).
Using a relevant cover (1) to position on the upper part of the
sealed chamber, it is possible to install the boiler outdoors in
partially protected places.
The previously-described cover kit is used.
By removing the cap in the upper part of the sealed chamber
and using a relevant diaphragm (3) to cover the intake hole.
Combustion air intake takes place directly in the room in
which the boiler is installed.
Flue exhaust takes place through the specific pipes with diameter of 80 in an individual flue or directly to the outside.
Intake.
Assembly of the lid (1) envisions the removal of the cap placed
to close the hole in the upper part of the sealed chamber and
the use of a relevant diaphragm (3) to cover the intake hole.
Combustion air intake takes place directly from the environment, making use of the free space between the lower part of
the cover (1) and the upper part of the boiler.
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Exhaust.
Configuration with sealed chamber and fan-assisted circulation with direct intake (type C) for
installation outdoors in a partially protected
place (see figure at the side).
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Configuration with sealed chamber and fan-assisted circulation (type C).
Exhaust.
The connection to the flue exhaust pipes takes place using a
flange (2) or a flanged curve to fix to the fitting (4) present on
the upper part of the sealed chamber, placing a shaped gasket
between them (1).
The flange differs according whether the divided or concentric
system is used.
In the first case the passage for intake of the combustion agent
air (5) is closed while in the second case it is made use of.
60/100 push-fitting horizontal concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place using a 90º bend (2),
which can be turned in all directions and by using necessary
extensions can be connected to the relevant intake and exhaust
terminal (3).
The maximum total length allowed beyond the first bend (2)
is 12.9 straight horizontal metres.
2
Intake.
Using the divided system, connection to the intake pipes takes
place in the same way as the exhaust pipes, being connected
to the hole with diameter of 80 mm (3) present in the upper
part of the sealed chamber.
If co-axial pipes are used, intake takes place by making use of
the concentric hole outside of the exhaust fitting (5).
4
5
1
Intake and exhaust kit.
The kits with relative accessories allow the use of two concentric systems, one divided system and three specific systems for
ducting (Ø 60 rigid, Ø 80 rigid or Ø 80 flexible).
For that regarding the head losses relative to each accessory,
for the various combinations that can be performed, see the
instructions relative to the intake and exhaust terminals
(see boiler instruction book).
Coupling between the various accessories(bends, extensions,
terminals) is the push-fitting type and sealing is assured by
relevant silicon lip seals gaskets in EPDM peroxide resistant
to the action of the condensate.
4
3
60/100 push-fitting vertical concentric kit.
The exhaust pipe in PPS (Ø 60 mm) is inserted inside the
aluminium exhaust pipe (Ø 100 mm).
Connection to the boiler takes place with a 60/100 concentric
flange (2) which, by means of the necessary extensions, is
connected to the relevant 60/100 intake and exhaust terminal
with aluminium tile (4).
The maximum length allowed is 14.4 straight vertical metres.
5
2
5
1
4
7
6
3
3
2
1
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Push-fitting separator kit 80/80.
The intake and exhaust pipes (6 and 9) are both in PPS and have
a diameter of 80mm.
Connections to the boiler take place using the two appropriate
flanges that allow exhaust (4) from the central fitting and intake
(3) from one of the two lateral holes with respect to the central
one.
The maximum length allowed (intake+ exhaust) is 36 straight
horizontal metres and 41 straight vertical metres.
5
9
6
7
5
7
System for ducting 60 rigid.
It is a kit that allows ducting Ø 60 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit a 90° bend (5) to the appliance exhaust pipe which, using
the necessary vertical extensions (2), must be connected to the
relevant exhaust terminal (1).
Coupling of the various accessories envisions, as well as fitting
with gaskets in EPDM peroxide, also fastening using pipe
clamps (4).
These must be alternated with clips with spacer fins (3), which
allow centring of the exhaust pipe inside the old flue.
The system can be inspected through the hatch (6) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust)
with intake grid, the maximum length allowed is 22 straight
vertical metres.
8
A
B
4
3
1
2
1
2
3
2
4
6
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VICTRIX Zeus 1 I
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System for ducting 80 rigid.
It is a kit that allows ducting Ø 80 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit a 90° bend (5) to the appliance exhaust pipe which, using
the necessary vertical extensions (2), must be connected to the
relevant exhaust terminal (1).
Coupling of the various accessories envisions, as well as fitting
with gaskets in EPDM peroxide, also fastening using pipe
clamps (4).
These must be alternated with clips with spacer fins (3), which
allow centring of the exhaust pipe inside the old flue.
The system can be inspected through the hatch (6) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust)
with intake grid, the maximum length allowed is 30 straight
vertical metres.
System for ducting 80 flexible.
It is a kit that allows ducting Ø 80 mm of existing flues/
chimneys/technical slots to be used exclusively with a unique
Immergas condensing appliance.
Fit an 87° bend (4) to the appliance exhaust pipe which, using
the necessary vertical extensions (3), must be connected to the
relevant exhaust terminal (1).
Remember to insert a spacer with fins every now and again
(2), which allows the centring of the exhaust pipe inside the
old flue.
The system can be inspected through the hatch (5) positioned
at the mouth of the fitting with the boiler flue evacuation
pipe.
Using a divided kit 80/80 (1 bend + 1 m in intake and exhaust
+ two variations of the vertical tract)with intake grid, the maximum length allowed is 30 straight vertical metres.
1
1
2
3
2
2
3
4
2
6
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4
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Electric circuit
Black
Black- (common)
Grey
Black
Black
Red
Grey
Grey
Red
230 Vac 50 Hz
power supply
Orange
Orange
Orange
Black
Green
Red
Blue
White
White
Anti-freeze
kit
Red
Blue
Black
White
Orange
Blue
Brown
Blue
Brown
Black
White
White
Orange
Orange
Blue
Brown
Grey
Black
Orange
Red
White
Black
Red- (DHW)
White- (CH)
ONE RELAY BOARD
(Optional)
FAN
SPEED
ZONES CONTROL UNIT
(Optional)
Key:
A4
B1
B2
B4
CAR
CZ
E1
E2
E4
E6
F1
F2
G2
M1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Display board
Flow probe
Domestic hot water probe
External probe (optional)
Comando Amico Remoto remote control (optional)
Zones control unit (optional)
Ignition electrodes
Detection electrode
Safety thermostat
Flue safety thermostat
Phase fuse
Transformer fuse
Igniter
Boiler pump
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-
-
-
-
-
-
-
-
-
-
-
-
Fan
Three-way valve
Selector switch functioning
System pressure switch
Central heating timer selector switch
Domestic hot water mode selector switch
Pump mode selector switch
Central heating temperature range selector switch
Room thermostat (optional)
Low voltage transformer
Room thermostat jumper
Gas valve
The control and safety devices partly operate at network voltage
(230 V AC) and partly at low voltage.
The electric circuit of the VICTRIX Zeus 1I is completely
interlocked to a P.C.B. with integrated microprocessor, which
controls the functions of the generator.
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M20
M30
S2
S5
S7
S9
S10
S13
S20
T2
X40
Y1
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VICTRIX Zeus 1 I
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Operating
CIRCUIT WITH VERY LOW SAFETY
VOLTAGE
Winter
LOGIC – COMMANDS MICROPROCESSOR
CH
ONE RELAY
BOARD
(Optional)
DHW
Reset
FAN SPEED
Central heating request
The main selector switch (S2) in "WINTER" position enables
functioning in the CH mode.
On closure of the room thermostat contact (S20), if the system
pressure switch contact (S5) is closed (pressure detected in the
primary circuit higher than minimum value),the integrated
P.C.B. powers the pump (M1) and the motor (M) of the 3-way
valve (M30). This functions until the end run switch "2" opens
when the CH position is reached.
If the temperature detected by the NTC flow probe (B1) is
below the setting made on the control panel using the CH
selector, the integrated P.C.B. powers the fan (M20) and
manages the speed.
With the consent of the safety thermostat (E4) and the flue
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ZONES CONTROL
UNIT (optional)
ONE RELAY
BOARD (Optional)
STORAGE TANK
FUNCTION JUMPER
safety thermostat (E6) and the fan (M20) reaching the "validate ignition" speed, the integrated P.C.B. allows to start the
ignition cycle by controlling, first the ignition electrodes (E1)
and then both the coils of the gas valve (Y1).
The ignition of the burner is detected by the integrated P.C.B.
by means of the ionisation electrode (E2).
During the ignition phase the fan works at a speed equal to half
the difference between the maximum speed and the minimum
speed set (see heat output adjustment).
Successively, the burner goes to the minimum value set via regulation of the "DHW and CH minimum output" value, to then
reach, if necessary, the maximum value set via regulation of the
"Maximum heating output" value, in a time of 8.5 minutes.
Successively, flame modulation takes place with reference to the
difference between the temperature set on the boiler control
panel and that detected by the DHW probe (B1).
When the set temperature is exceeded (+5°C) the burner
switches off. Re-ignition for the same request is prevented for
180 seconds, which can be reduced to 30 seconds by operating
on the relevant jumper "S7"(see central heating timer selector
switch).
Every time the burner switches off the fan functions at minimum speed for another 55 seconds and the pump performs a
post-circulation of 60 seconds.
Inside the control panel the boiler is equipped with a P.C.B.
with integrated microprocessor for control of the appliance's
electric devices, which takes care of linear modulation of
burner power.
The display shows the status and functioning mode of the
appliance, indicating any intervention of the safety devices,
with which it is supplied.
The P.C.B. supplied with all models, whether with storage
tank or instant (VICTRIX X 24 2 I, VICTRIX 26 2 I) is the
same. The different type of boiler functioning is recognised
automatically by means of the appliance's wiring.
The integrated P.C.B. is always powered independently from
the selection made on the main selector switch (S2).
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CAR
(optional)
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Central heating request with Remote Control
DHW anti-freeze request
DHW request
At the end of any anti-freeze request, a post-circulation is
performed for the duration of 55 seconds.
The main selector switch (S2) in "SUMMER and CAR" position enables the integrated P.C.B. and the Comando Amico
Remoto remote control (CAR).
If the conditions detected by the Comando Amico Remoto
remote control (CAR) require ignition in CH mode (CAR
SUM/WIN selector switch in WINTER position, CH temperature adjustment higher than that detected by the central heating
flow probe (B1), room temperature adjustment higher than that
detected), the P.C.B. manages the ignition cycle, as described
previously.
When the temperature detected by the DHW probe (B2) falls
below 4 °C, the board gives consent for ignition of the boiler
and keeps the generator working with the burner at minimum
output until a temperature of 10 °C is reached.
During functioning, the water in the primary circuit remains
below 42 °C as on reaching this temperature the board switches
the burner off.
N.B.: The function is active with the main selector switch (S2)
in
(summer) o
(winter) position.
If the temperature detected by the NTC probe positioned
on the storage tank (B2) is lower than "Storage tank ON intervention temperature" (set-point-3°K with jumper S9 closed,
set-point-10°K with jumper S9 open), the boiler starts a DHW
ignition cycle.
If the system pressure switch contact (S5) is closed (pressure
detected in the primary circuit higher than minimum value),the
integrated P.C.B. powers the pump (M1) and the motor (M)
of the 3-way valve (M30). This functions until the end run
switch "3" opens when the DHW position is reached.
Successively the integrated P.C.B. powers the fan (M20) and
manages the speed.
With the consent of the safety thermostat (E4) and the flue
safety thermostat (E6) and the fan (M20) reaching the "validate ignition" speed, the integrated P.C.B. allows to start the
ignition cycle by controlling, first the ignition electrodes (E1)
and then both the coils of the gas valve (Y1).
The ignition of the burner is detected by the integrated P.C.B.
by means of the ionisation electrode (E2).
When the flame has been detected, the fan speed is increased
in a way to immediately reach (if requested) the maximum
adjusted value.
Successively, the flame modulation guarantees maintenance
of the flow temperature ideal for the correct attainment of
the set.
When the temperature measured by the DHW probe (B2)
exceeds the value requested (temperature set), the burner is
switched off.
Every time the burner switches off the fan functions at minimum speed for 55 seconds and the pump performs postcirculation for 60 seconds.
If, during functioning, the flow probe (B1) measures a temperature higher than 90 °C, the burner is switched off. A
new ignition cycle can start only if the temperature drops to
75°C.
"Chimney sweep" request
With the boiler in
(Stand-by) position, turn the main
selector (S2) into the Reset position for at least 8 seconds (the
symbol will appear on the display), On its
"chimney sweep"
release, the board gives the consent for ignition of the generator
and keeps it functioning for 15 minutes.
The output is determined from the position of the CH regulation selector (notch N°9 corresponds to the maximum output,
notch N°0 corresponds to the minimum output).
The function is signalled by the flashing "chimney sweep" symbol and the code “E07” on the CAR display (if
mounted).
Only the limit thermostat function performed by the CH
sensor (B1) is respected in this mode (90°C for CH temperature range 25°C - 85°C or 50°C for CH temperature range
25°C - 50°C).
The "chimney sweep" function is only introduced if there are
no DHW or anti-freeze requests in progress.
It can be cut-off by removing the power supply to the circuit,
taking the main selector switch to the
(Stand-by) position
or after 15 minutes.
N.B.: If the main selector switch is held (S2) in the Reset position for a time exceeding 15 seconds, the "chimney sweep"
function is exited and the calibration function is activated
(see heat output adjustment). If the main selector switch is
turned (S2) for more than 30 seconds, the boiler will go to
the Stand-by status and the error code E08 will be displayed,
equivalent to "Reset selector switch fault". To restore appliance
functioning the main selector switch must be turned (S2) to
the
position (Stand-by).
Central heating anti-freeze request
When the temperature detected by the CH flow probe (B1)
falls below 4 °C, the board gives consent for ignition and keeps
the generator working with the burner at minimum output
until a boiler temperature equal to 30 °C is reached (radiators
anti-freeze).
N.B.: The function is active with the main selector switch (S2)
in
(summer) or
(winter) position.
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230 V AC high voltage circuit
Inputs
230 V / 50 Hz
Detection electrode
(E2)
The board power supply is connected to the L and N clamps of the X1 connector.
- 230 V AC +10% / -15%
- 50 Hz +/- 5%
Detects the ignition of the burner by which the flame is hit and
allows the integrated P.C.B. to increase fan speed after having limited
it during the ignition phase.
It is connected to the detection circuit of the integrated P.C.B.
Flame signal=
6 ÷ 15 microA
Output
Igniter(G2)
Ignition electrodes
(E1)
Boiler pump
(M1)
Integrated P.C.B.
Low voltage transformer
(T2)
Three-way valve
(M30)
Gas valve (Y1)
(main coils)
It is controlled by the integrated P.C.B. when burner ignition is requested.
It makes the ignition spark.
It is positioned on the condensation module.
They are controlled by the igniter that causes an electric spark between their ends and on
the contact with which the air-gas mix ignites.
It is powered by the integrated P.C.B. when there is a DHW, CH or anti-freeze request.
Allows circulation in the primary circuit.
The board is always powered independently from the position of the functioning selector
(see integrated P.C.B. functioning).
It is a 230V/24V transformer that powers the low voltage adjustment circuit.
It is positioned inside the boiler dashboard.
It allows the diversion of the water flow of the primary circuit to the storage tank coil and vice versa.
It is powered by the integrated P.C.B.
It is powered by the integrated P.C.B. when burner ignition is necessary.
Allows the passage of gas to the burner.
Safety devices
Line fuse
(F1)
It cuts off the power supply to the circuit when the current absorbed
exceeds 3.15A.
It is inserted onto the integrated P.C.B.
Fuse
3,15 AF 250 V
Transformer Fuse
(F2)
Cuts the power supply to the circuit transformer off (230V/24V)
in low voltage when the current absorbed exceeds 315mA.
It is inserted onto the integrated P.C.B
Fuse delayed
315 mAT 250 V
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Low voltage circuit
Inputs
System pressure switch
(S5)
When the pressure of the boiler circuit is below 0.3 bar it determines
burner switch-off.
Open =
No pressure
Closed =
Pressure OK
Main selector
(S2)
Depending on the position it allows:
=Low voltage circuit not powered.
(
)=DHW functioning and CAR (optional).
(
)=DHW and CH function.
RESET =Release after ignition failure or overheating safety intervention, allows to activate the chimney sweep function, allows
access the boiler calibration position.
3-position switch
+ reset position
enclosed on the
board
External probe
(B4) (optional)
Detects the external temperature and allows the integrated P.C.B.
to vary the flow temperature depending on the external temperature.
It is a resistance that can be varied proportionally to the external
temperature.
PTC probe
1 kΩ 25 °C
Flow probe
(B1)
It is a resistance variable in an inversely proportionally manner to the
temperature of the water. It is positioned at the outlet of the main
exchanger, allowing the integrated P.C.B. to detect the temperature
of the flow water in the primary circuit.
Its breakage (signalled by relative anomaly) blocks burner functioning
both in central heating and domestic hot water modes.
It is also used as a flow limit thermostat (90 °C).
NTC probe
10 kΩ 25 °C
Domestic hot water probe
(B2)
It is a resistance variable in an inversely proportionally manner to
the temperature of the water; inserted in a hole made on the external
wall of the storage tank, it allows the integrated P.C.B. to detect the
temperature inside the storage tank.
Its breakage (signalled by relative anomaly) allows the boiler to continue working in the central heating mode.
NTC probe
10 kΩ 25 °C
Room thermostat
(S20)
(optional)
It enables functioning in CH mode when the room temperature is
below that requested.
If the CAR or Super CAR is installed, the room thermostat must be
disconnected without restoring the pre-existing jumper X40.
Open = Central
heating OFF
Closed = Central
heating ON
Flue safety thermostat
(E6)
When the flue safety temperature is exceeded (110 °C) remove the
power supply to the main coils of the gas valve.
The board displays the "02" error code.
It is positioned on the condensation module.
Klixon thermostat
with normally
closed contact
Safety thermostat
(E4)
When the safety temperature is exceeded (100 °C) remove the power
supply to the main coils of the gas valve.
The board displays the "02" error code.
It is positioned on the flow pipe at the outlet of the primary heat
exchanger.
Klixon thermostat
with normally
closed contact
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Outputs
Display board
(A4)
Displays the functioning values and error codes intervening on the boiler. Moreover, it
indicates the status and functioning mode of the boiler by means of appropriate symbols.
Fan
(M20)
Guarantees the flow of air in the sealed chamber and the escape of combustion products.
It is powered by the integrated P.C.B. via a signal with square wave detected using a sensor
wit Hall effect inserted into the fan, which allows the integrated P.C.B. to measure its speed
and correct it if it does not comply with the requested value.
Management and control devices
Comando Amico Remoto
remote control
(CAR) (optional)
P.C.B. to a relay
(optional)
Allows long distance control of the generator (SUM/WIN selector
switch, temperature adjustment and indication, alarms display, reset,
etc.) and acts as weekly timer thermostat.
If the CAR is installed the pre-existing X40 jumper must be eliminated.
See Comando
Amico Remoto
remote control
functioning
(CAR)
Allows the control of 1 additional zone valve by means of CAR, which must be set in On/
Off mode (see CAR functioning).
Zones control unit (CZ)
(external optional)
Allows boiler functioning with 3 zone valves or external pumps
controlled by the respective room thermostats.
The main area is controlled(times and temperatures) by means of
the remote control (if mounted), on which the pump anti-blocking
and post-circulation, anti-freeze, chimney sweep functions etc.
take place.
See zones control
unit functioning
Super CAR
(optional)
Allows long distance control of the generator (SUM/WIN functioning, temperature adjustment and indication, programs and
parameters setting alarms display, reset, etc.) and acts as weekly timer
thermostat.
If the Super CAR is installed the pre-existing X40 jumper must
be eliminated.
Using the Super CAR it is possible to indifferently vary some settings
from the boiler control panel and from the Super CAR control
panel, such as: selection of Summer Winter, DHW comfort status,
DHW set point.
See Super CAR
functioning
Regulations via selectors
Pump mode selector
switch
(S10)
With the SUM/WIN selector switch in the WINTER position, it
allows the pump to function continuously or only on request of
the room thermostat.
Absent =
Continuous func.
Present =
RT request func.
Domestic hot water mode
selector switch
(S9)
Allows to modify the temperature difference from the set-point
at which the DHW ("Storage tank ON intervention temperature")
request is activated.
Absent =
Setpoint-10°K
Present =
Setpoint-3°K
Central heating temperature range selector switch
(S13)
Depending on the position, it allows the central heating potentiometer to adjust the temperature from 25 to 85°C (range 1) or from
25 to 50°C (range 2).
Present = 25-85
Absent = 25-50
Central heating timer
selector switch
(S7)
At every switch-off due to the temperature being reached in CH
mode a delay of 3 minutes/30 seconds is inserted until the successive
re-ignition for the same request.
Absent = 30 s
Present = 3 min
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P.C.B. safety functions
Three-way valve/antiblock pump
After 24 hours from the last activation, independently from the functioning status of the
boiler (Summer or Winter), the pump (M1) is started for a time of 30 seconds and the
three-way valve (M30) is started for a period of 10 seconds.
Fan speed anomaly
If a fan speed is detected that is out of safe limits (700-5700 rpm) the burner is switched
off and it cannot be re-ignited for 7.5 minutes.
The main selector switch (S2) must be turned to the Reset position in order to restore
functioning of the appliance.
Parasite flame block
In the case of dispersion of the detection circuit or anomaly in the flame control that generates a correct ionisation current (without the gas valve being open) with the duration of
at least 20 seconds, boiler functioning is blocked.
The main selector switch (S2) must be turned to the Reset position in order to restore
functioning of the appliance.
No ignition
block
If within 10 seconds from the start of the ignition cycle, the detection electrode (E2) has not
detected flame presence on the burner, boiler functioning is blocked.
The integrated P.C.B. makes 2 ignition attempts with duration of 10 seconds, intervalled by
a time of 30 seconds, after which it blocks.
The main selector switch (S2) must be turned to the Reset position in order to restore functioning of the appliance.
N.B.: It is possible to reset the anomaly up to 5 consecutive times, after which the function is
prevented for at least one hour and one attempt is gained after every hour. Five attempts can
be gained by pressing the
Stand-by key or by removing the power supply to the circuit.
Thermostat safety
block
If the contact of the water overheating thermostat is opened (temperature of the primary
circuit exceeding 100 °C), boiler functioning is blocked.
The main selector switch (S2) must be turned to the Reset position in order to restore
functioning of the appliance.
Flue safety thermostat
block
If the contact of the flue overheating thermostat is opened (temperature of the external part
of the condensation module exceeding 110 °C) owing to the combustion impurities deposited
on the heat exchanger (soot, oxidations, etc...), boiler functioning is blocked.
The main selector switch (S2) must be turned to the Reset position in order to restore
functioning of the appliance.
Insufficient circulation
To prevent overheating of the water-gas heat exchanger if the pump is blocked or due to
little circulation in the primary circuit, when the CH NTC flow probe (B1) detects an
increase in the temperature exceeding 5 °C per second (for more than 2 consecutive seconds),
the burner is switched off.
Re-start takes place when the flow temperature falls below 43°C.
Dynamic hysteresis
function
If the NTC flow probe (B1) detects a temperature higher than 100 °C, (with boiler in standby), the successive burner ignition request is delayed by 20 seconds and only the pump is
activated. If the successive request takes place with the flow temperature below 70°C the
burner ignition delay is annulled.
Boiler pump post-circulation
To prevent overheating of the water-gas heat exchanger, at the end of CH (room thermostat
opening), anti-freeze or "chimney sweep" request, the boiler pump (M1) is kept working
for a period of 60 seconds.
Sealed chamber postventilation
The combustion chamber is washed after switch-off of the burner at the end of any request
and the fan works for 55 seconds.
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Sealed chamber postventilation following
overheating safety block
intervention
After burner switch-off following an overheating block (water or flue gas), the fan is made
to work for 600 seconds at maximum set speed in order to dispose of the residual heat.
Flow NTC breakage
(B1)
The breakage of the central heating flow probe (B1) is signalled by the relative anomaly and
prevents functioning both in the central heating and domestic hot water modes.
Breakage of the NTC
DHW probe (B2)
The breakage of the DHW outlet probe (B2) is signalled by the relative anomaly and prevents
functioning in DHW mode, but functioning in CH mode is allowed.
Flow over-heating
ventilation
To prevent overheating of the water-gas heat exchanger, if the boiler temperature detected
by the NTC flow probe (B1) exceeds 105 °C, the fan is made to work until the temperature
drops below 100 °C.
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Fault and anomaly signals
The VICTRIX Zeus 1I boiler signals the functioning status
of the appliance by symbols on the digital display and any
anomaly by the flashing relative error code.
Key of control panel display symbols
Description
Symbol
Numerical characters to indicate temperature, any error code or optional external probe
temperature correlation factor
Degrees symbol
External probe connection symbol
Connection to Comando Amico Remoto
remote control symbol
Summer symbol (production of DHW only)
Winter symbol (production of DHW and room
central heating)
DHW production phase symbol active
Room central heating active phase symbol
Chimney sweep function symbol
Anomaly presence symbol (coupled to error
code)
Flame presence symbol
Burner power scale symbol
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Code
flashing
Remote display
No ignition block
01
E01
Safety thermostat block (overheating), flue thermostat or control
anomaly
02
E02
NTC flow probe anomaly
05
E05
Reset selector switch fault
08
E08
Functioning anomaly signalled
Calibration function active (displayed only on CAR)
E09
No circulation
10
E10
Storage tank probe anomaly
12
E12
Configuration error
15
E15
Fan anomaly
16
E16
Parasite flame block
20
E20
Insufficient circulation
27
E27
CAR offline or not compatible anomaly
31
Low power supply voltage
37
Loss of flame signal
38*
* If connected to the Remote Control, the error is not shown on the display.
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Technical Data
VICTRIX Zeus 1 I technical data
Domestic hot water nominal heat input
Central heating nominal heat input
Minimum heat input
Domestic hot water nominal heat output (useful)
Central heating nominal heat output (useful)
Minimum heat output (useful)
Efficiency 80/60 Nom./Min.
Efficiency 50/30 Nom./Min.
Efficiency 40/30 Nom./Min.
Heat loss at casing with burner On/Off (80-60°C)
Heat loss at flue with burner On/Off (80-60°C)
Central heating circuit max. operating pressure
Central heating circuit max. operating temperature
Adjustable central heating temperature Pos 1
Adjustable central heating temperature Pos 2
System expansion vessel total volume
Expansion vessel factory-set pressure
Water content in generator
Total head available with 1000/h flow rate
Hot water production useful heat output
Domestic hot water adjustable temperature
Domestic hot water circuit flow limiter at 2 bar
Min. pressure (dynamic) domestic hot water circuit
Domestic hot water circuit max. working pressure
*Specific capacity “D” according to EN 625
Drawing capacity in continuous duty (∆T 30°C)
Weight of full boiler
Weight of empty boiler
Electrical connection
Power input
Installed electric power
Pump consumption
Fan consumption
Equipment electrical system protection
Flue gas max. temperature
NOX class
Weighted NOX
Weighted CO
kW (kcal/h)
26,9 (23147)
kW (kcal/h)
24,4 (20941)
kW (kcal/h)
3,2 (2768)
kW (kcal/h)
26,0 (22360)
kW (kcal/h)
23,6 (20296)
kW (kcal/h)
3,0 (2580)
%
96,9 / 93,2
%
105,3 / 106,8
%
107,5 / 108,8
%
0,58 / 0,90
%
0,03 / 2,50
bar
3
°C
90
°C
25 - 85
°C
25 - 50
l
4,2
bar
1
l
4,2
kPa (m c.a.)
19,40 (1,98)
kW (kcal/h)
26,0 (22360)
°C
20 - 60
l/min
9,4
bar
0,3
bar
8
l/min
15,6
l/min
13,3
kg
108,6
kg
61,3
V/Hz
230/50
A
0,61
W
135
W
87,2
W
25,6
IPX4D
°C
75
5
mg/kWh
21,3
mg/kWh
16,9
C13 / C23 / C33 / C43 / C53 / C83 / B23p
/ B33
II2H3B/P
Type of appliance
Category
- Flue temperature values refer to an air inlet temperature of 15°C
and flow temperature of 50°C.
-The data relevant to domestic hot water performance refer to a dynamic inlet pressure of 2 bar and an inlet temperature of 15°C; the
values are measured directly at the boiler outlet considering that to
obtain the data declared mixing with cold water is necessary.
- The maximum sound level emitted during boiler operation is <
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55dBA. The sound level value is referred to semianechoic chamber
tests with boiler operating at max. heat output, with extension of
flue gas exhaust system according to product standards.
- * Specific capacity “D”: domestic hot water flow rate corresponding
to an average increase of 30K, which the boiler can supply in two
successive withdrawals.
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VICTRIX Zeus 1I combustion parameters
Gas nozzle diameter
Supply pressure
Flue flow rate at nominal heat output
Flue flow rate at min heat output
CO2 at Nom Q./Min
CO with 0% O2 at Nom Q /Min
NOX with 0% di O2 at Q. Nom./Min.
Flue temperature at nominal output
Flue temperature at minimum output
mm
mbar (mm c.a.)
kg/h
kg/h
%
ppm
mg/kWh
°C
°C
G20
5,60
20 (204)
42
5
9,50 / 9,00
235 / 3
44 / 12
62
50
G30
4,00
29 (296)
38
5
12,30 / 11,80
680 / 4
148 / 26
68
55
G31
4,00
37 (377)
43
5
10,60 / 10,20
220 / 4
35 / 13
62
50
VICTRIX Zeus 1I variable heat output
METHANE (G20)
BUTANE (G30)
PROPANE (G31)
HEAT
OUTPUT
HEAT
OUTPUT
BURNER GAS
FLOW RATE
PRESS. NOZZLES
PRESSURE
BURNER GAS
FLOW RATE
PRESS. NOZZLES
PRESSURE
BURNER GAS
FLOW RATE
PRESS. NOZZLES
PRESSURE
(kW)
(kcal/h)
(m3/h)
(mbar) (mm c.a.)
(kg/h)
(mbar) (mm c.a.)
(kg/h)
(mbar) (mm c.a.)
26,0
22360
2,85
5,80
59,1
2,13
5,85
59,6
2,09
7,61
77,6
25,0
21500
2,73
5,36
54,7
2,04
5,41
55,1
2,01
7,05
71,9
24,0
20640
2,62
4,95
50,5
1,96
4,99
50,9
1,92
6,52
66,4
23,6
20296
2,58
4,79
48,9
1,92
4,83
49,3
1,89
6,31
64,3
22,0
18920
2,40
4,18
42,7
1,79
4,22
43,0
1,76
5,52
56,3
21,0
18060
2,29
3,83
39,1
1,71
3,86
39,3
1,68
5,06
51,6
20,0
17200
2,18
3,49
35,6
1,63
3,52
35,9
1,60
4,63
47,2
19,0
16340
2,07
3,18
32,4
1,55
3,20
32,6
1,52
4,21
42,9
18,0
15480
1,96
2,87
29,3
1,46
2,89
29,5
1,44
3,82
38,9
17,0
14620
1,86
2,59
26,4
1,38
2,60
26,5
1,36
3,44
35,1
16,0
13760
1,75
2,32
23,7
1,30
2,33
23,7
1,28
3,09
31,5
15,0
12900
1,64
2,07
21,1
1,22
2,07
21,1
1,20
2,75
28,1
1,53
1,83
18,7
1,14
1,83
18,6
1,13
2,44
24,9
1,43
1,61
16,4
1,06
1,60
16,3
1,05
2,14
21,9
1,32
1,40
14,3
0,98
1,39
14,2
0,97
1,87
19,0
D.H.W.
CEN.
HEAT.
+
D.H.W.
14,0
12040
13,0
11180
12,0
10320
11,0
9460
1,21
1,21
12,3
0,90
1,19
12,2
0,89
1,61
16,4
10,0
8600
1,11
1,03
10,5
0,82
1,01
10,3
0,81
1,37
13,9
9,0
7740
1,00
0,87
8,8
0,74
0,84
8,6
0,73
1,15
11,7
8,0
6880
0,89
0,72
7,3
0,66
0,69
7,0
0,65
0,94
9,6
7,0
6020
0,78
0,58
6,0
0,58
0,55
5,6
0,57
0,76
7,7
6,0
5160
0,67
0,46
4,7
0,50
0,43
4,4
0,49
0,59
6,0
5,0
4300
0,56
0,36
3,7
0,42
0,32
3,3
0,41
0,44
4,5
4,0
3440
0,45
0,27
2,8
0,34
0,23
2,3
0,33
0,31
3,2
3,0
2580
0,34
0,20
2,0
0,25
0,15
1,5
0,25
0,20
2,0
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List of VICTRIX Zeus 1 I accessories and optionals
Super Comando Amico Remoto remote control
cod. 3.016577
Comando Amico Remoto remote control
cod. 3.011236
Telephone control
cod. 3.013305
External Probe
cod. 3.014083
Digital weekly timer-thermostat
cod. 3.014438
Radio timer-thermostat (wireless)
cod. 3.014439
Zones control unit kit
cod. 3.011668
Relay interface kit (for zone valve coupling)
cod. 3.017331
GSM telephone control kit
cod. 3.017182
DHW recirculation kit (including pump)
(indoor only) code 3.015380
Connection unit kit.
cod. 3.020505
DHW expansion vessel kit
cod. 3.020400
Polyphosphate dispenser kit (indoor only)
cod. 3.013499
Boiler anti-theft kit (mechanical)
cod. 3.015412
Additional system expansion vessel kit
cod. 3.018433
Cut-off cocks with filter kit
cod. 3.015854
Anti-freeze electric resistance kit (-15°C)
cod. 3.017324
DHW recirculation probe kit code
cod. 3.012944
System cut-off kit
cod 3.019745
Top cover kit
cod. 3.018434
The boiler is prepared for coupling to the DIM (Multi-system Distribution Manifold), available in 5 recess or wall-hung kits
for management of area or mixed systems.
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VICTRIX Zeus 1 I
Technical Documentation
Technical Documentation
VICTRIX Zeus 1 I troubleshooting
Before every intervention:
Check that the gas, water and electricity are correctly connected
to the boiler, according to that indicated in the data plate and
the instruction manual.
Also make sure that:
- the gas valve and boiler parameters are correctly adjusted;
- all devices outside the boiler function and are appropriately
adjusted;
- the external and internal fuses are integral.
Before maintenance interventions or replacement of components, remove the electric power supply upstream from the
appliance.
For correct use of the troubleshooting table, on intervention it
is recommended to reset any errors, switch the boiler off and
remove voltage from the appliance for at least 5 seconds.
This is to allow the boiler to start a new ignition cycle.
Ignition cycle
Apply voltage to the boiler and turn the main selector to the "summer" or "winter" position.
The display switches on
No
See section A
The error 05 appears on the display
Yes
See error section 05
The error 08 appears on the display
Yes
See error section 08
The error 12 appears on the display
Yes
See error section 12
The error 16 appears on the display
Yes
See error section 16 - a
The error 20 appears on the display
Yes
See error section 20
The error 37 appears on the display
Yes
See error section 37
Yes
No
CENTRAL HEATING MODE
DOMESTIC HOT WATER MODE
Main selector switch in winter position.
Main selector switch in summer position.
Turn the heating selector to a maximum and interrupt and DHW requests.
Turn the DHW selector switch to maximum and open the cock.
) symbol is displayed.
The (
No
The pump starts.
Check the presence of the TA jumper on clamps
40-41 of the P.C.B.
N.B.: the jumper must not be present when
external devices are installed such as TA, remote
control, clock programmer, etc...
The pump starts.
See section B
Yes
The 3-way valve goes
into the DHW poSee section C
No
sition.
Check effective request (the
symbol is displayed), from any external devices (TA, remote control, programmer clock). See error section 31.
No
No
See section B
Yes
The 3-way valve goes
into the CH posiSee section C
No
tion.
Yes
The pump starts.
No
The error 10 appears on the display
See error section 10
No
The error 15 appears on the display
See error section 15
No
The error 16 appears on the display
See error section 16 - b
Yes
See error section 16 -c
Yes
The error 16 appears on the display
No
The ignition electrodes make the
No
spark.
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 - a
No
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 - b
No
The error 02 appears on the display
See error section 02 - a
Yes
The burner ignites.
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Technical Documentation
Technical Documentation
Yes
The burner stays on after the first
No
10 seconds.
The error 01 appears on the display
(wait for the board to make 2 ignition cycles).
See error section 01 - c
Yes
The error 02 appears on the display
Yes
See error section 02 - b
The error 27 appears on the display
Yes
See error section 27
The error 38 appears on the display
Yes
See error section 38
No
The boiler reaches
Check the maximum
heating output and
and maintains the set
central heating tem- No adjust it to maximum.
perature.
Check the maximum
The boiler reaches and
DHW heating oumaintains the set temNo tput and adjust it to
perature.
maximum.
See section D
Yes
Yes
The central heating request is satisfied.
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The domestic hot water request is satisfied.
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VICTRIX Zeus 1 I
Technical Documentation
Technical Documentation
Functioning anomalies.
ERROR 01
230 V DC are present on clamps 2-3 of connector X7.
No ignition block
No
Replace the P.C.B.
No
Replace the wiring.
No
Restore the electric connection/replace the wiring.
No
Replace the igniter.
Yes
There are 230 Vdc present at the ends of the igniter.
01
a
Yes
The cables between igniter and electrodes corresponds.
Yes
The igniter makes the spark.
Yes
Check the correct positioning and the correct distance of the ignition electrodes (see air-gas circuit) and replace them if necessary.
230 V DC are present on clamps 6-7 of connector X7.
N.B: measure the voltage within the safety time (8-10 s).
No
Replace the P.C.B.
Yes
01
b
The connector and relative wiring between gas valve and P.C.B.
No
are OK.
Restore the electric connection/replace the wiring.
Yes
The position and the distance of the ignition electrodes with respect
No
to the burner is OK (see air-gas circuit).
Restore the position and the distance of the ignition electrodes.
Yes
Replace the gas valve.
N.B.: before replacing the valve make sure that there is enough gas inlet dynamic pressure and that the gas valve is correctly calibrated.
The electrode detects a direct current of 6-8 µA during the burner
No
ignition phase.
01
c
Replace the detection electrode and/or relative wiring.
Check correct position and distance between electrode and burner.
Check that siphon and the condensate exhaust duct are not blocked.
Yes
There are no combustion products in the air intake pipe.
N.B.: check the absence of CO2 or other combustion products in the
intake pipe.
No
Check the correct positioning of the terminals, of all joints and
gaskets, to prevent the recirculation of the combustion products inside
the pipes.
N.B.: The error 01 could be preceded by the display of error 38.
Yes
Replace the P.C.B.
ERROR 02
Over-heating safety thermostat block
The wiring between the safety thermostat, flue safety thermostat
No
and P.C.B. is OK.
Restore the electric connection/replace the wiring.
Yes
02
a
The flue safety thermostat functions regularly (intervention tempeNo
rature higher than 110°C).
Replace the flue safety thermostat.
Yes
The safety thermostat functions regularly (intervention temperature
No
higher than 100°C).
Replace the over-heating safety thermostat.
Yes
Replace the P.C.B.
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Technical Documentation
The pump functions correctly.
N.B.: make sure that the pump functions at maximum speed.
Technical Documentation
No
See section B
No
Restore circulation in the CH system by acting on the closed devices
and also check:
- the correct functioning of the boiler by-pass;
- the opening times of any zone valves;
- the correct functioning of any thermostatic valves.
No
Replace NTC probe.
Yes
Any CH system zone valve or cut-off cocks are open.
Yes
The NTC flow probe is OK (10 kΩ at 25°C).
02
b
Yes
The safety thermostat functions regularly (intervention temperature
No
higher than 100°C).
Replace the over-heating safety thermostat.
Yes
There are no combustion products in the air intake pipe.
N.B.: check the absence of CO2 or other combustion products in the
intake pipe.
No
Check the correct positioning of the terminals, of all joints and
gaskets, to prevent the recirculation of the combustion products inside
the pipes.
N.B.: Error 02 could be preceded by the disply of error 38.
Yes
Check/clean/replace the main heat exchanger (condensation module).
N.B.: it is recommended to check the correct pressure of the inlet gas and check any obstructions of the gas piping upstream from the boiler. Error 02 intervenes
also if the board detects a loss of the flame signal 6 times in 8.5 minutes.
ERROR 05
NTC flow probe anomaly
The wiring between the flow probe and the board (connector X11 terNo
minals 3-4) is OK.
Restore the electric connection/replace the wiring.
Yes
Replace the NTC flow probe. If the anomaly persists, replace the P.C.B.
ERROR 08
The main selector is blocked on Reset.
Reset selector switch fault
No
Check that there is no interference between the knob and P.C.B.
Yes
Replace the P.C.B.
ERROR 10
The boiler manometer displays a pressure exceeding 0.8 bar.
Insufficient system pressure
No
Restore the correct pressure by acting on the system filling valve.
N.B.: in this case it is always advisable to ensure that there are no leaks
in the central heating plant and check the correct factory-set value of the
expansion vessel.
Yes
The wiring between the system pressure switch (connector X8 terminals
No
1-2) is OK.
Restore the electric connection/replace the wiring.
Yes
Check/replace the system pressure switch. If the anomaly persists, replace the P.C.B.
ERROR 12
Storage tank NTC probe anomaly
The boiler prevents functioning in DHW mode but can function in CH mode
The wiring between the DHW probe and the board (connector X8
No
terminals 5-6) is OK.
Restore the electric connection/replace the wiring.
Yes
Replace DHW NTC probe. If the anomaly persists, replace the P.C.B.
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VICTRIX Zeus 1 I
Technical Documentation
Technical Documentation
Wiring configuration error
ERROR 15
15
N.B.: This board can be used for instant type boilers (VICTRIX 26 2 l) or with
storage tank (VICTRIX ZEUS 26 1I). The board automatically recognises the type
of boiler by means of the relative electric wiring.
The board is configured as boiler with storage tank.
(PRESENCE of the jumper between clamps 7-8 of the connector No
X8).
For the VICTRIX ZEUS 1I boiler check the PRESENCE of the connection jumper between clamps 7-8 of the connector X8.
Yes
Replace the P.C.B.
ERROR 16
16
a
The wiring between the P.C.B. and fan is OK.
Check continuity of the cable on clamp 4 of connector X12.
Fan anomaly
No
Restore the electric connection/replace the wiring.
No
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Restore the electric connection/replace the wiring.
Yes
Replace the fan. If the anomaly persists, replace the P.C.B.
24 VDC is present to clamps 3-1 of the connector X12.
16
b
Yes
The wiring between the P.C.B. and fan is OK.
Yes
Replace the fan. If the anomaly persists, replace the P.C.B.
16
c
The wiring between the P.C.B. and fan is OK.
Check continuity of the cable on clamp 4 of connector X12.
Yes
Replace the fan. If the anomaly persists, replace the P.C.B.
ERROR 20
The detection electrode and the relative wiring are integral.
Parasite flame block
No
Check and/or replace detection electrode/replace wiring.
Yes
Replace the P.C.B.
ERROR 27
The pump functions correctly.
N.B.: make sure that the pump functions at maximum speed.
Insufficient circulation
No
See section B
No
Restore circulation in the CH system by acting on the closed devices
and also check:
- the correct functioning of the boiler by-pass;
- the opening times of any zone valves;
- the correct functioning of any thermostatic valves.
No
Replace NTC flow probe.
Yes
Any CH system zone valve or cut-off cocks are open.
Yes
The NTC flow probe is OK (10 kΩ at 25°C).
Yes
Check/clean/replace the main heat exchanger (condensation module). If the anomaly persists, replace the P.C.B.
ERROR 31
The Remote Control is connected correctly.
N.B.: only remote controls supplied by Immergas an be used.
Off-line Remote Control anomaly
No
Check the connection between remote control and P.C.B.
The remote control connection must be made using a dedicated line in
order to prevent interference.
Yes
Replace the remote control. If the anomaly persists, replace the P.C.B.
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ERROR 37
The boiler power supply voltage exceeds 190 VDC.
Technical Documentation
Low power supply voltage
No
Restore the correct electric power of the appliance (230 VDC ±10%).
Yes
The electric power supply connection wires and relative external fuses
No
are integral.
Restore the electric connection/replace the cables/external fuses.
Yes
Replace the P.C.B.
ERROR 38
Loss of flame signal
It is displayed every time the board, with burner on, looses the flame signal.
If normal conditions are restored, the boiler re-starts correct functioning without having to be reset.
If the error persists, after several ignition attempts, the error 38 switches to error "01" or error "02".
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Technical Documentation
Sections
230 VDC are present on the L-N terminals of the P.C.B.
No
Check the electric power supply upstream from the boiler and restore
it.
No
See section E
Yes
The P.C.B. fuses are integral.
Yes
A
230 VDC are present to the clamps 3-4 of connector X4 on the
No
P.C.B.
Replace the P.C.B.
Yes
At least 19 VDC are present to the clamps 1-2 of connector X11 on
No
the P.C.B.
Restore the electric connection/replace the transformer.
Yes
The wiring between the P.C.B. and display board is OK.
No
Restore the electric connection/replace the wiring.
Yes
Replace the P.C.B. If the anomaly persists, replace the display board.
230 VDC are present to the clamps 1-2 of connector X6 on the
No
P.C.B.
Yes
230 V DC are present on the pump clamps.
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Release the pump by acting on the shaft after having loosened the
front cap.
No
Replace the condenser.
No
Replace the P.C.B.
No
Restore the electric connection/replace the wiring.
No
Release/replace the 3-way cartridge.
No
Regulate the CO2 values to Minimum and Maximum (see air gas
regulation paragraph).
No
Replace NTC probe.
Yes
B
The motor shaft turns freely.
Yes
The start-up condenser is integral.
Yes
Replace the pump.
CENTRAL HEATING MODE:
230 VDC are present to the clamps 1-3 of connector X5 on the
P.C.B.
C
DOMESTIC HOT WATER MODE:
230 VDC are present to the clamps 1-2 of connector X5 on the
P.C.B.
Yes
The wiring between the 3-way motor and the board is OK.
Yes
The 3-way cartridge functions regularly (it is not blocked).
Yes
Replace 3-way valve motor.
The gas valve is calibrated correctly.
Yes
D
The NTC flow probe is OK (10 kΩ at 25°C).
In DHW functioning mode, also check the DHW NTC probe.
Yes
Replace the P.C.B.
The operations stated below are indispensable for checking the quality of the relay electric contacts positioned on the board.
E
Replace the fuses checking that there are no short circuited components (pump, fan, gas valve, etc...).
Check safety device times and the complete power removal from the gas valve, operating as follows:
- close the gas supply and make a functioning request;
- check that, after 2 ignition attempts, the display shows error "01";
- with the help of the single wire wiring diagram, use a tester to check that there is no voltage (230 V DC) on the gas valve power supply cables.
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VICTRIX Zeus 1 I