Huawei NetCol5000-A050 - Replacing a Liquid Level Detector

3. Reinstall the hold hoop.
Step 5 Perform a leakage test with nitrogen again. Refer to 3.11 Leakage Test with
Nitrogen for Refrigerant Pipes.
Step 6 After checking that the smart cooling product does not leak, vacuumize the smart
cooling product and charge refrigerant. Refer to 4.1 Vacuumizing and
Precharging Refrigerant.
Step 7 Power on the device and tap Startup on the home screen. Ensure that the smart
cooling product is running normally without any alarms.
----End
11.10 Replacing a Liquid Level Detector
Prerequisites
● A liquid level detector needs to be replaced.
● A spare liquid level detector of the same model is available and functional.
● Tool: Phillips screwdriver
Context
The liquid level detector is maintained from the front door. Figure 11-31 shows a
liquid level detector.
Figure 11-31 Liquid level detector
(1) High liquid level detector
(2) Low liquid level detector
Procedure
Step 1 Tap Shutdown on the home screen of the controller, and turn o the active power
switch QF1 and standby power switch QF2. (For the model with a single power
supply, you do not need to turn
o QF2.)
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 11 Parts Replacement
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 276