Step 4 Install the new contactor. Clamp the clip at the lower side of the new contactor to
the guide rail, push the contactor upwards, and press the contactor inwards.
Step 5 Connect the cables again.
Step 6 Close the door of the electric control box.
Step 7 Power on the unit and tap Start on the home screen. Ensure that the unit is
running normally without any alarms.
----End
12.23 Replacing an SPD
Prerequisites
●
A surge protective device (SPD) needs to be replaced.
●
A spare SPD 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 Pry the clip ring of the faulty SPD using a flat-head screwdriver, and remove the
faulty SPD.
Figure 12-48 Removing an SPD
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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