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

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
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.
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6.5.6 Replacing the Threaded Filter Dryer

Prerequisites
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Context
Figure 6-12
Figure 6-12 Position of the filter dryer
(1) Liquid pipe NTC temperature sensor
(4) Filter dryer nut
Issue 03 (2020-01-10)
The filter dryer needs to be replaced.
A spare threaded 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
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) Pipe nut (3) Adjustable nut
(5) Filter dryer (6) Hold hoop
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