NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Seal the screw thread joints in the pipe using sealant.
After the installation, check that the input power cables of the compressor are in the same
phase sequence as the wiring terminals.
Step 8 Secure the compressor bracket to the cabinet interior using a 13# socket wrench, as shown by
1 in Figure 5-16.
Figure 5-16 Installing a compressor angle valve
Step 9 Apply red glue from the second to the fourth circles of the inner screw thread of the suction
and discharge angle valves. Secure the angle valve nuts and pipe nuts, as shown by (2) and (3)
in Figure 5-16, using two adjustable wrenches, and tighten the adjustable nuts using a torque
wrench.
Tighten the air intake angle valve to a torque of 180 N•m and tighten the air exhaust angle
valve to a torque of 120 N•m.
Step 10 Install the electric heating belt, remove the connection box cover, and reinstall the cover after
the compressor cables are connected.
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