Replacing The Differential Pressure Switch - Huawei NetCol5000-C Series User Manual

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Step 8 Choose Maint > Performance Maint on the home screen to access the Performance Maint
screen. Then clear the humidifier runtime.
Step 9 Choose Settings > System Settings > System Control > Humid > Action.
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6.4.6 Replacing the Differential Pressure Switch

Prerequisites
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Context
Tool: Phillips screwdriver
Procedure
Step 1 Tap Shutdown on the LCD home screen.
Exercise caution because the device is still energized after it is shut down on the LCD.
Step 2 Open the rear door, remove the air filter, and switch off general circuit breakers (AC1 and
AC2).
Step 3 Remove the pressure inlet tube from the differential pressure switch, use a Phillips
screwdriver to remove the four screws from the switch, and take out the switch.
Step 4 Remove the screws from the differential pressure switch cover, and remove the cable.
Figure 6-5 Removing a differential pressure switch
Issue 07 (2020-03-16)
The differential pressure switch needs to be replaced.
A spare differential pressure switch of the same model is available and functional.
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