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Installation instructions
Dorman Smith Loadbank 250 Q2C
Outgoing Metering harnesses
KITS:
Meter/CT harnesses
Voltage tap off (LBWPQC) - 1 per cableway
Meter supply harness (DOS-QCFV-02) - 1 off per meter
Current transformer harness (DOS-QCCTM-04) - 1 off per meter
For each additional meter.
Meter to meter harness (DOS-QCVV-01) - 1 off per additional meter
Current transformer harness (DOS-QCCTM-04) - 1 off per additional meter
Sheet 1 of 3
No: SN98616C
REV 2
Installation instructions
Dorman Smith Loadbank 250 Q2C
Outgoing Metering harnesses
Voltage tap off Harnesses
Fig 1:
• Remove busbar end shroud
•
Busbar end shroud
Fit ‘tap off harness’ LBWPQC
to busbars /neutral bar
•
•
Meter cableways either side, tap off
Fig 2:
Route cables to cableway
If meters mounted to one
cableway only, refit busbar
end shroud
Fig 3:
Fit ‘tap off harness’ (DOS-LBWPQC)
to busbars /neutral bar
• Route cables to other cableway
•
•
Refit busbar end shroud
Note! Remove looped connection
block from CT
•
P1 markings on CTs must
face source of supply
CT earth connector
•
•
CT harness
•
Fig 4:
Secure DIN rail supplied with
cableway hinged meter door kit
to cableway.
Earth hinged door to cableway.
Earth lead to hinged door
Earth lead to cableway
Mount ‘tap off harness’ fuse
holders on DIN rail.
Connect ‘meter supply harness
(DOS-QCFV-02) to the fuse
holder.
Route outgoing cables through CT
Fig 5:
• Fit DIN mounting clips to CT’s
•
•
•
Mount CT to DIN rail in line with
outgoing MCCB
P1 markings must face source of
supply
Connect ‘CT harness’ (DOSQCCTM-04 white numbered cables) to CT
•
•
•
Fig 6:
Mount Ci5 meter to hinged door by
removing ‘knock-out’ feature.
Connect ‘meter supply harness
(DOS-QCFV-02) to meter.
Connect ‘CT harness’ (DOSQCCTM-04 white numbered ca-
Refer to installation instruction
sheet supplied with meter for set up
Sheet 2 of 3
Meter supply harness
Pulsed output connections (optional)
No: SN98616C
CT harness
REV 2
Installation instructions
Dorman Smith Loadbank 250 Q2C
Outgoing Metering harnesses
Mounting further multifunction meters
Meter supply harness
P1 markings on CTs must
face source of supply
CT harness
CT earth connector
Fig 7:
• See Fig 5 for CT mounting.
•
•
•
Pulsed output connections (optional)
CT harness
Mount Ci5 meter to hinged door by
removing ‘knock-out’ feature.
Connect ‘meter supply harness
(DOS-QCVV-01) from meter to
meter.
Connect ‘CT harness’ (DOSQCCTM-04 white numbered cables) to meter.
Route outgoing cables through CT
Refer to installation instruction sheet
supplied with meter for set up
Retain installation instructions for
any further metering
While Dorman Smith Switchgear and its affiliates referenced herein have made every reasonable effort to ensure the accuracy of the information contained in this catalogue, Dorman Smith
Switchgear cannot assure that this information is error free. For this reason, Dorman Smith Switchgear does not make any representation or offer any guarantee that such information is accurate, correct, reliable or current. Dorman Smith Switchgear reserves the right to make any adjustments to the information at any time. Dorman Smith Switchgear expressly disclaims any implied
warranty regarding the information contained herein, including, but not limited to, the implied warranties of merchantability or fitness for a particular purpose. Dorman Smith Switchgear only
obligations are those stated in Dorman Smith Switchgear Standard Terms and Conditions of Sale. Dorman Smith Switchgear will in no case be liable for any incidental, indirect or consequential
damages arising from or in connection with, including, but not limited to, the sale, resale, use or misuse of its products. Users should rely on their own judgement to evaluate the suitability of a
product for a certain purpose and test each product for its intended application. Dorman Smith is a trademark.
Dorman Smith Switchgear Ltd
8 Swinbourne Drive
Braintree, Essex CM7 2YG
Phone: +44 (0)8442251063
Fax: +44 (0)8442251063
Email: sales@dormansmith.co.uk
www.dormansmithswitchgear.com
Sheet 3 of 3
No: SN98616C
REV 2