Replacing The Pd510 Electricity Meter - Huawei FusionModule1000A40 ICT Solution Maintenance Manual

FusionModule1000A40 ICT Solution
Maintenance Guide
Preparations
Tools: electroprobe, insulation gloves, flat-head screwdriver, Phillips screwdriver, multimeter
Materials: spare MCB
Documents: none
Skill requirement: electrician's work permit
Procedure
Step 1 Determine the position of the faulty MCB, and open the corresponding cabinet door.
Step 2 Remove the front panel of the PDC circuit breaker using a Phillips screwdriver.
Step 3 Switch a multimeter to the DC voltage mode to measure the voltage between positive and
negative copper bars at the upper part of the switch. If the voltage is lower than 36 V DC for 1
minute, replace the MCB.
Step 4 Remove the three cables from the top and bottom of the MCB.
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Step 5 Push the buckle at the MCB outwards using a flat-head screwdriver, and remove the faulty
MCB.
Step 6 Install the new MCB by referring to the preceding method, connect cables, and tighten
screws.
Step 7 Reinstall the removed components, and close the corresponding cabinet door.
----End
Follow-up Procedure
Dispose of the removed MCB that is confirmed faulty.

4.1.8.3 Replacing the PD510 Electricity Meter

Prerequisites
A spare PD510 electricity meter of the same model is available and functional.
Issue 01 (2019-03-05)
When removing cables, remove the cable from the bottom of the MCB first.
After removing cables, insulate the cable terminals.
When removing cables, label the cables with corresponding terminal ports for later
connection.
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4 Parts Replacement
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