NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3.11 Connecting Cables
3.11.1 Connecting the Power Cable
Before connecting cables, remove the top cover of the indoor unit power terminals.
Power cables can be routed from the top or bottom.
For details about the general circuit breaker and cable specifications, see 3.2.2.6 Cable.
Check that the input power cable of the indoor unit has no reverse phase sequence or open
phase.
Keep cables out of touch with the compressor, fan, and copper pipes (if unavoidable, take
protective measures), and connect cables properly.
The device must be grounded as required by local electrical regulations.
Cables must be routed in through cable clips.
Connecting the Power Cable to an Indoor Unit (Single Power Supply)
Step 1 Route the external power cable through the cabinet cable hole to the L1, L2, L3, and N ports
of the AC1 terminal on the indoor unit.
When there is only one power supply, the power cable must be connected to the primary route
AC1.
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