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Manifold for central heating system
550 series
01261/14 GB
ACCREDITED
ISO 9001
ISO 9001 No. 0003
FM 21654
Function
The manifolds for central heating system are used in heating and
air-conditioning systems to allow different heat adjustments of the
various rooms when there is only one heat generator or chiller.
The various configurations are compact and can be easily fitted in
any kind of hydraulic circuit, with the advantages of ease of
installation and saving of useful living space.
The manifolds for central heating systems can be equipped, as an
accessory, with pre-formed shell insulation to ensure perfect
thermal insulation in both heating and air-conditioning systems.
Product range
manifold
manifold
manifold
manifold
manifold
for
for
for
for
for
central
central
central
central
central
heating
heating
heating
heating
heating
system
system
system
system
system
2
3
4
2+1
3+1
size
size
size
size
size
Materials
Body:
Maximum working pressure:
Working temperature range:
outlet:
outlet:
outlet:
outlet:
outlet:
1
1
1
1
1
1/2”
1/2”
1/2”
1/2”
1/2”
with
with
with
with
with
nut
nut
nut
nut
nut
(centre
(centre
(centre
(centre
(centre
distance
distance
distance
distance
distance
125
125
125
125
125
mm)
mm)
mm)
mm)
mm)
Manifold inner diameter:
- 2 and 2+1:
- 3, 3+1 and 4:
Øi 53 mm
Øi 69 mm
water and non-hazardous glycol solutions
excluded from the range of application
of Directive 67/548/EC
∆
∆p
p (mm w.g.)
400
4
300
3
200 180
Material:
closed cell expanded PEX
Thickness:
20 mm
Density:
- inner part:
30 kg/m3
- outer part:
50 kg/m3
Thermal conductivity (DIN 52612):
- at 0°C
0,038 W/(m·K)
- at 40°C
0,045 W/(m·K)
Coefficient of resistance to water vapour diffusion (DIN 52615): > 1300
Working temperature range:
0–100°C
Reaction to fire (DIN 4102):
class B2
100
0,03
,
1,8
1,6
1
,6
1,4
1,4
1,2
1
2
0,018
,
0 016
0,
0,016
0,014
0,014
0 012
0,012
5
2
1
0,5
0,2
0,1
0,05
0,02
0,01
4
3,5
0,04
3
3
4
2,5
0,18
,
0 16
0,16
0 14
0,14
0,12
0,09
,
0,08
0,08
0,07
0 07
0,06
1,8
18
16
4
14
12
9
8
7
6
1,6
0,3
2
1
0,4
30
1,4
2
40
1,2
5
1,8
,
1,6
1,6
1,4
1,4
1,2
12
0,9
0,8
0,8
0,7
07
0,6
0,9
10
10
160
140
120
90
80
70
60
1
20
∆p
∆p (kPa)
550030/31/40
550030/31/40
9
8
7
6
Technical specifications of insulation (optional)
50
550
550020
020
0,8
500
550021
550021
900
800
700
600
0,7
1000
0,6
120 mm
125 mm
0,45
- main:
- outlets:
6p
6p
0,5
2 and 2+1: 1 1/4” M
3, 4 and 3+1: 1 1/2” M
1 1/2” with nut
M8x1,25
0,40
- main:
- outlets:
- fitted for brackets:
Centre distance:
1/4”;
1/2”;
1/2”;
1/4”;
1/2”;
0,35
Connections:
painted steel
10 bar
5–110°C
0,30
Medium:
1
1
1
1
1
Hydraulic characteristics
Technical specifications
0,25
550020
550030
550040
550021
550031
0,20
Code
Code
Code
Code
Code
G (m3/h)
Dimensions
Installation
38832
The 550 series manifolds are equipped with outlets with a captive nut.
The manifolds must be installed by paying attention to the
connection of the flow and return pipes, both for the main
connections and for the outlets, in accordance with the label affixed
to the body.
Code
Mass (kg)
550020
6,1
Series 550
Pmax 10 bar
Trange 5÷110°C
The 550 series manifolds can be installed horizontally and even
upside down. They can also be installed vertically, but with the
main connections turned upward in order to prevent air pockets
forming in the top.
Code
Mass (kg)
550021
6,5
Code
Mass (kg)
550030
11,3
Code
Mass (kg)
550031
11,7
Fitted for wall mounting
The 550 series manifolds are equipped with M8 nuts for wall
mounting (brackets, wall anchors, nuts and bolts are not supplied
in the package).
Volumes
Code
Mass (kg)
550040
14,9
Code
Volume (litres)
550020
2,5
550021
2,6
550030
6,0
550031
6,1
550040
7,9
559
Accessories
Pair of plugs with seal for not used outlets.
Insulation for manifolds for
central heating systems
550 series.
For heating and
air-conditioning systems.
Code
559001
Code
CBN550020
CBN550021
CBN550030
CBN550031
CBN550040
for manifold 2
for manifold 2+1
for manifold 3
for manifold 3+1
for manifold 4
Application diagrams
Chrono-thermostat
System with floor-standing boiler and manifold 3+1
Pump
Shut-off valve
Thermostat
T
Digital regulator
Thermostatic valve
Outside probe
13
167 series
Open
B
AUTO MAN
230 V ˜ ±10% 6 VA
Amb. temp. range -10–55°C
Opening/closing time 50 s
90° rotation
IP 65
Open
A
Code 167022
T
SPECIFICATION SUMMARY
Code 550020
Manifold for central heating systems, 2 outlets. Painted steel body. Connections to generator 1 1/4” M, centre distance
120 mm. Outlet connections 1 1/2” with nut, two at the top, centre distance 125 mm. Medium water and glycol solutions,
maximum percentage of glycol 30%. Maximum working pressure 10 bar. Working temperature range 5–110°C (0–100°C
with insulation). Fitted for mounting with M8x1,25 nuts.
Code 550030
Manifold for central heating systems, 3 outlets. Painted steel body. Connections to generator 1 1/2” M, centre distance
120 mm. Outlet connections 1 1/2” with nut, three at the top, centre distance 125 mm. Medium water and glycol solutions,
maximum percentage of glycol 30%. Maximum working pressure 10 bar. Working temperature range 5–110°C (0–100°C
with insulation). Fitted for mounting with M8x1,25 nuts.
Code 550040
Manifold for central heating systems, 4 outlets. Painted steel body. Connections to generator 1 1/2” M, centre distance
120 mm. Outlet connections 1 1/2” with nut, four at the top, centre distance 125 mm. Medium water and glycol solutions,
maximum percentage of glycol 30%. Maximum working pressure 10 bar. Working temperature range 5–110°C (0–100°C
with insulation). Fitted for mounting with M8x1,25 nuts.
Code 550021
Manifold for central heating systems, 2+1 outlets. Painted steel body. Connections to generator 1 1/4” M, centre distance
120 mm. Outlet connections 1 1/2” with nut, two at the top and one at the bottom, centre distance 125 mm. Medium water
and glycol solutions, maximum percentage of glycol 30%. Maximum working pressure 10 bar. Working temperature
range 5–110°C (0–100°C with insulation). Fitted for mounting with M8x1,25 nuts.
Code 550031
Manifold for central heating systems, 3+1 outlets. Painted steel body. Connections to generator 1 1/2” M, centre distance
120 mm. Outlet connections 1 1/2” with nut, three at the top and one at the bottom, centre distance 125 mm. Medium
water and glycol solutions, maximum percentage of glycol 30%. Maximum working pressure 10 bar. Working temperature
range 5–110°C (0–100°C with insulation). Fitted for mounting with M8x1,25 nuts.
Code CBN5500..
Optional insulation for 550 series manifolds for central heating systems. Material closed cell expanded PEX. For heating
and air-conditioning systems.
Code 559001
Pair of plugs with seal for not used outlets. Size 1 1/2” M.
We reserve the right to make changes and improvements to our products and the related technical data in this publication, at any time and without prior notice.
Caleffi S.p.A.
S.R. 229 n. 25 · 28010 Fontaneto d’Agogna (NO) · Italy
Tel. +39 0322 8491 · Fax +39 0322 863723
info@caleffi.com · www.caleffi.com
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