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.
5.4.11 Replacing the Electric Heater
Prerequisites
The electric heater needs to be replaced.
A spare electric heater 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.
Exercise caution because the device is still energized after it is shut down on the controller
home screen.
Step 2 Open the front door, disconnect the fan terminals, and remove the fan support.
Figure 5-42 Removing a fan support
Step 3 Cut the cable ties that secure the electric heater terminal and remove the terminals.
Step 4 Unscrew the four screws on the single electric heater, as shown in Figure 5-43.