Huawei NetCol8000-A045D - Replacing a Differential Pressure Switch

Step 5 Choose Maint > Performance Maint on the home screen and clear the total
runtime of the air lter.
----End
11.2 Replacing a Dierential Pressure Switch
Prerequisites
● A dierential pressure switch needs to be replaced.
● A spare dierential pressure switch of the same model is available and
functional.
● Tool: Phillips screwdriver
Procedure
Step 1 Tap Shutdown on the home screen and turn
o the smart cooling product switch
in the PDF.
NO TICE
Exercise caution because the device is still energized after it is shut down on the
home screen.
Step 2 Open the front door and switch o QF1 and QF2.
Step 3 Remove the pressure inlet tube, as shown by (1) in Figure 11-3.
Figure 11-3 Removing the
dierential pressure switch
Step 4 Use a Phillips screwdriver to remove the screws on the top cover of the dierential
pressure switch and cable screws, as shown by (2) in Figure 11-3, and remove the
cables.
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual 11 Parts Replacement
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 258