Huawei NetCol8000-C070 User Manual page 170

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Step 2 Open the front door and turn off the general switch.
Step 3 Remove the pressure inlet tube.
Step 4 Remove the screws securing the differential pressure switch using a Phillips
screwdriver and take out the switch.
Figure 6-20 Removing a differential pressure switch (upflow unit)
Figure 6-21 Removing a differential pressure switch (downflow unit)
Step 5 Remove the screw from the differential pressure switch cover and take out the
cable.
Step 6 Set the new differential pressure switch to 500 Pa for an upflow model, or set the
new differential pressure switch to 300 Pa for a downflow model, install a new
differential pressure switch by performing
door.
Issue 09 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Step 5–Step 3, and then close the front
6 Maintenance
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