Replacing The Compressor - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Step 5 Remove the screws on the top cover of the differential pressure switch and cable
screws using a Phillips screwdriver, and remove the cables, as shown by (2) in
Figure
Step 6 Remove the four screws using a Phillips screwdriver, and remove the differential
pressure switch, as shown by (3) in
Step 7 Set the pressure to 250 Pa for the new differential pressure switch.
Figure 6-7 Setting a value for the differential pressure switch
Step 8 Install a new differential pressure switch, install the pressure inlet tube, and
connect cables.
Step 9 Install the air filter.
Step 10 Power on the device and tap Startup on the home screen. Ensure that the device
is running normally without any alarms.
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6.5.4 Replacing the Compressor

Prerequisites
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Issue 06 (2020-08-19)
6-6.
The compressor needs to be replaced.
A spare compressor of the same model is available and functional.
The compressor must be replaced with the dry filter.
Recommended materials: Phillips screwdriver, two 45# adjustable wrenches,
45# and 50# torque wrenches, 13# and 30# solid wrenches or socket
wrenches, new compressor, dryer filter, refrigerant reclaiming devices,
refrigerant charging devices, R410A refrigerant
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Figure 6-6.
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