Prerequisites
●
A relay needs to be replaced.
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A spare relay of the same model is available and functional.
●
Tools: Phillips screwdriver, flat-head screwdriver
Procedure
Step 1 On the home screen of the display module, tap Shutdown and turn off the unit
switch in the PDF.
NO TICE
Exercise caution because the unit is still energized after it is shut down on the
home screen of the display module.
Step 2 Open the door of the electric control box.
Step 3 Remove the cables from the faulty relay.
Step 4 Remove the coil. Break the metal plate on the coil and pull out the coil.
Step 5 Remove the base. Remove the coil, press the clip on the faulty base using a flat-
head screwdriver, and pull the base outwards to remove it.
Figure 12-49 Replacing a relay
(1) Base
(2) Coil
(3) Clip ring
(4) Metal plate
Step 6 Install a new coil or base.
Step 7 Close the door of the electric control box.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
12 Component Replacement
Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
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