Huawei NetCol5000-A - Replacing the Filter Dryer

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
172
----End
5.4.5 Replacing the Filter Dryer
Prerequisites

The filter dryer needs to be replaced.

A spare filter dryer of the same model is available and functional.

Tools: refrigerant retrieval device (configured based on local conditions), Phillips
screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump, pressure gauge, leather
hose, protective gloves, two 27# adjustable wrenches, 36# wrench
Context
Figure 5-19 shows the position of the filter dryer.
Figure 5-19 Filter dryer position
(1) Pipe nut
(2) Adjustable nut
(3) Filter dryer nut
(4) Hold hoop
(5) Filter dryer
Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the air conditioner switch in the
PDC.