Replacing The Welded Filter Dryer - Huawei NetCol5000-A021 User Manual

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Follow-up Procedure
Power on the NetCol5000-A, Choose Maint > Performance Maint on the home screen and
then clear the compressor runtime.

6.5.5 Replacing the Welded Filter Dryer

Prerequisites
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Context
Figure 6-9
Figure 6-9 Position of the filter dryer
(1) Liquid pipe NTC temperature sensor
(4) Welding point B
Procedure
Step 1 Tap Shutdown on the LCD home screen and turn off the smart cooling product switch in the
PDC and the compressor switch QF3.
Issue 03 (2020-01-10)
The filter dryer needs to be replaced.
A spare filter dryer of the same model is available and functional.
Tools: welding equipment, refrigerant retrieval device (configured based on local
conditions), Phillips screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump,
pressure gauge, leather hose, protective gloves
Preparation: Power off the indoor unit and reclaim all refrigerant from the system.
shows the position of the filter dryer.
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6 System Operation and Maintenance
(2) Welding point A
(5) Welding point C
(3) Filter dryer
193