● Filter dryer replacement requires the collaboration of two persons.
● After removing the lter dryer, block the pipe immediately to ensure the system
cleanness and prevent water from entering.
Figure 6-13 Removing the lter dryer
1. Remove the hold hoop from the lter dryer using a Phillips screwdriver.
2. Heat the suction angle valve joints using a heat gun for 10 minutes. Use two
27# adjustable wrenches to secure the
lter dryer nut and pipe nut (as shown
in Figure 6-12) respectively. Then use a 36# adjustable wrench to loosen the
adjustable nut to separate the pipe from the lter dryer.
Step 5 Remove the plastic plug from the port of the new
lter dryer shown by (1) in
Figure 6-11.
Step 6 Install the new
lter dryer as shown in Figure 6-14.
● Secure the lter dryer in the original position. The arrow direction on the lter
dryer identies the ow direction of the refrigerant.
● Installation of the new
lter dryer requires the collaboration of two persons.
The torque for tightening the adjustable nut is 70 N·m.
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. 239
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