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.
Figure 5-62 Installing a new contactor
Step 7 Install the air filter and close the rear door.
Step 8 Power on the device and tap Startup on the home screen. Ensure that the air conditioner is
running normally without any alarms.
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5.4.18 Replacing the SPD
Prerequisites
The surge protective device (SPD), as shown in A Electric Control Box Layout, needs to
be replaced.
A spare SPD of the same model is available and functional.
Tool: Phillips screwdriver
Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the air conditioner switch in the
PDC.