Huawei NetCol5000-A025 - Replacing the Threaded Filter Dryer

Step 6 Reinstall the liquid pipe NTC temperature sensor.
Step 7 Perform a leakage test with nitrogen again.
Step 8 After checking that the smart cooling product does not leak, vacuumize the smart
cooling product and charge refrigerant.
----End
6.5.6 Replacing the Threaded Filter Dryer
Prerequisites
● The
lter dryer needs to be replaced.
● A spare threaded lter dryer of the same model is available and functional.
● Tools: refrigerant retrieval device
(congured based on local conditions),
Phillips screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump,
pressure gauge, leather hose, protective gloves, two 27# adjustable wrenches,
36# wrench
● Preparation: Power
o the indoor unit and reclaim all refrigerant from the
system.
Context
Figure 6-12 shows the position of the lter dryer.
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 6 System Operation and Maintenance
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 237