Replacing A Differential Pressure Switch (Building Scenario) - Huawei FusionCol8000-E240 User Manual

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Step 6 Choose Maint > Performance Maint on the home screen of the display module
and clear the total runtime of the air filter.
Step 7 Power on the device and tap Start on the home screen. Ensure that the device is
running properly without generating alarms.
----End
8.5.5 Replacing a Differential Pressure Switch (Building
Scenario)
Prerequisites
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Context
The differential pressure switch can be maintained from the end only after the air
filter is removed.
Procedure
Step 1 On the home screen of the display module, tap Shutdown and turn off the device
switch in the PDF.
Exercise caution because the device is still energized after it is shut down on the
screen of the display module.
Step 2 Remove the outdoor intake air filter.
Step 3 Cut off the cable ties on the cables, remove the bolts from the sheet metal, flip
the plate, and remove the sheet metal and differential pressure switch.
Figure 8-8 Removing the sheet metal
Issue 02 (2021-04-15)
A differential pressure switch needs to be replaced.
A spare differential pressure switch of the same model is available and
functional.
Tool: Phillips screwdriver
NO TICE
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