Installing Cables; Cable Connection Precautions; Installing The Equipotential Ground Cable - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Step 4 Adjust the air exhausting speed until no bubble flows out of the needle valve.
Step 5 Tighten the cooling water side needle valve.
Step 6 Inject water to 0.8 MPa, and preserve the pressure for 24 hours. Then connect a
pressure gauge to a needle valve on the pipeline to measure the pressure. If the
reading remains unchanged, the pipe is not leaking. You can perform the following
operations.
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4.9 Installing Cables

4.9.1 Cable Connection Precautions

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4.9.2 Installing the Equipotential Ground Cable

Figure 4-80
Issue 08 (2021-09-17)
Check that the input power cable of the indoor unit has no reverse phase
sequence or open phase.
Keep cables away from the compressor, fan, and copper pipe (if unavoidable,
take protective measures), and connect cables securely.
The device must be grounded as required by local electrical regulations.
Before connecting cables, remove the power cable protective cover.
Cables must be routed in through the cable clips.
Power cables and ground cables are routed and bundled separately from
other types of cables.
shows the equipotential ground position.
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