Huawei NetCol5000-A050 User Manual page 281

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
1.
2.
Step 6 Remove the plastic plug from the port of the new filter dryer.
Step 7 Install the new filter dryer, as shown in
● Secure the filter dryer in the original position. Ensure that the arrow on the
filter dryer points upwards.
● Installation of the new filter dryer requires the collaboration of two persons.
The torque for tightening the adjustable nut is 70 N·m.
Figure 11-27 Installing a filter dryer
1.
2.
Step 8 Perform a leakage test with nitrogen again. Refer to
Nitrogen for Refrigerant
Step 9 After checking that the smart cooling product does not leak, vacuumize the smart
cooling product and charge refrigerant. Refer to
Precharging
Issue 08 (2021-09-17)
Remove the hold hoops from the filter dryer using a Phillips screwdriver.
Heat the thread connection position of the adjustable nut using a heat gun
for 10 minutes. Secure the filter dryer nut and pipe nut (as shown in
11-25) using two 27# adjustable wrenches respectively. Then loosen the
adjustable nut using a 36# adjustable wrench to separate the pipe from the
filter dryer.
NO TICE
Apply red glue to the third to second last thread circles of the outer screw
thread counting from the pipe outlet inward. Secure the filter dryer nut and
pipe nut using two 27# adjustable wrenches respectively. Then tighten the
adjustable nut using a 36# adjustable wrench.
Reinstall the hold hoops.
Refrigerant.
Copyright © Huawei Technologies Co., Ltd.
Figure 11-27.
Pipes.
11 Parts Replacement
3.11 Leakage Test with
4.1 Vacuumizing and
Figure
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