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NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
5.
6.
Step 6 Reinstall the liquid pipe NTC temperature sensor.
Step 7 Perform a leakage test with nitrogen again.
Step 8 After checking that the smart cooling product does not leak, vacuumize the smart cooling
product and charge refrigerant.
----End
6.5.8 (Optional) Replacing the Humidifier Cylinder
Prerequisites
Context
The humidifier cylinder can be maintained only from the rear.
After the system is powered off, verify that the pipes will not cause scalding injuries before
replacement.
Procedure
Step 1 In diagnostic mode, set the value for the humidifier input to 0 and drain all water from the
humidifier cylinder.
Step 2 Tap Shutdown on the LCD home screen and turn off the smart cooling product switch in the
PDC and QF4.
Exercise caution because the NetCol5000-A is still energized when it is being shut down over
the LCD.
Step 3 Open the rear door and remove the air filter.
Step 4 Loosen the leather belt around the humidifier cylinder, as shown by (1) in
Step 5 Remove the clamp from the steam hose, and remove the hose from the humidifier cylinder.
Issue 03 (2020-01-10)
Apply red glue to the third to second last thread circles of the outer screw thread
counting from the pipe outlet inward. Use two 27# adjustable wrenches to secure the
filter dryer nut and pipe nut, respectively. Then use a 36# adjustable wrench to tighten
the adjustable nut.
Reinstall the hold hoop and pipe clamp.
The humidifier cylinder needs to be replaced.
A spare humidifier cylinder of the same model is available and functional.
Tool: flat-head screwdriver
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Figure
6-17.
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