Replacing A Filter Dryer - Huawei NetCol5000-A050 User Manual

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual (1350 mm Depth)
● Seal the screw thread joints at the pipe using sealant.
● After the installation, check that the input power cables of the compressor are
in the same phase sequence as the wiring terminals.
1.
2.
3.
4.
5.
6.
7.
Step 6 Remove the filter dryer and install a new filter dryer.
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 Check that the phase sequence of the compressor cables is correct, and power on
the device.
Step 10 Choose Maintenance > Performance Maintenance on the home screen of the
display module to access the performance maintenance screen, and clear the
runtime of the compressor.
Step 11 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 12 Install the air filter and close the rear door.
Step 13 Check that the smart cooling product is running properly and no alarm is
generated.
----End

11.16 Replacing a Filter Dryer

Prerequisites
●
●
●
Issue 04 (2022-12-15)
NO TICE
Secure the new compressor to the bracket.
Secure the compressor bracket to the cabinet.
Apply glue from the second to fourth circles of the discharge angle valve. Use
two adjustable wrenches to secure the angle valve nut and pipe nut, and use
a torque wrench to tighten the adjustable nut to a torque of 120 N·m.
Apply glue from the second to fourth circles of the suction angle valve. Use
two adjustable wrenches to secure the angle valve nut and pipe nut, and use
a torque wrench to tighten the adjustable nut to a torque of 180 N·m.
Remove the connection box cover and install the compressor cables.
Install the connection box cover.
Install the electric heating belt.
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,
Copyright © Huawei Digital Power Technologies Co., Ltd.
11 Component Replacement
174