Huawei NetCol5000-A050 User Manual page 186

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual (1350 mm Depth)
Figure 11-15 Removing a filter dryer
Step 5 Remove the plastic plug from the port of the new filter dryer.
Step 6 Install the new filter dryer.
When installing the new filter dryer, keep the arrow on the filter dryer upwards
and secure the filter dryer in the original position.
1.
2.
Step 7 Perform a leakage test with nitrogen.
Step 8 After checking that there is no leakage, vacuumize the system and precharge
refrigerant.
Step 9 Power on the device.
Step 10 After startup, choose Maintenance > Diagnostic Mode > Enter, and continue to
charge refrigerant until reaching the optimal value based on the current pressure
and temperature of the system. After the remaining refrigerant is added, exit the
diagnostic mode.
Step 11 Install the air filter and close the rear door.
Step 12 Check that the smart cooling product is running properly and no alarm is
generated.
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Issue 04 (2022-12-15)
NO TICE
Apply red glue to the outer screw thread of the filter dryer. The glue should
be applied to the third to the last but one circle from the pipe opening. Secure
the filter dryer nut and pipe nut using two 27# adjustable wrenches, and
tighten the adjustable nuts using a 36# adjustable wrench to a torque of 70
N·m.
Reinstall the hold hoop.
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