Replacing A Filter Dryer (Threaded Connection) - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual

11.8 Replacing a Filter Dryer (Threaded Connection)

Prerequisites
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Context
● Reclaim or dispose of the refrigerant in accordance with local laws and
regulations. Do not vent the refrigerant to the atmosphere. During the reclaim
process, the R410A refrigerant composition may change. Therefore, you are not
advised to refill the reclaimed R410A refrigerant to the cooling system.
Figure 11-25
Figure 11-25 Filter dryer position
(1) Pipe nut
Issue 08 (2021-09-17)
A filter dryer needs to be replaced.
A spare filter dryer of the same model is available and functional.
Tools: refrigerant reclaiming device (configured based on local conditions),
Phillips screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump,
pressure gauge, rubber hose, protective gloves, two 27# adjustable wrenches,
one 36# wrench
Preparation: Power off the indoor unit and reclaim the refrigerant in the
system.
NO TICE
shows the position of the filter dryer.
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(2) Adjustable nut
11 Parts Replacement
(3) Filter dryer nut
269