Huawei NetCol5000-A050 - Page 264

Step 2 Open the rear door and remove the air lter.
Step 3 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.)
Step 4 Remove the pressure inlet tube.
Step 5 Remove the screws on the top cover of the dierential pressure switch and cable
screws using a Phillips screwdriver and remove the cables.
Step 6 Remove the four screws using a Phillips screwdriver and remove the
dierential
pressure switch.
Step 7 Set the new dierential pressure switch to 250 Pa.
Figure 11-8 Setting values for a
dierential pressure switch
Step 8 Install the new dierential pressure switch and the pressure tube, and connect the
cables.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 11 Parts Replacement
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 254