Replacing The Spd - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
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Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the device switch in
the PDC.
Exercise caution because the device is still energized after it is shut down on the
controller home screen.
Step 2 Open the door of the electric control box.
Step 3 Remove the cables from the faulty contactor, remove the end fastener from the
end of the faulty contactor on the guide rail, unclamp the buckle of the contactor,
and remove the contactor.
Step 4 Install a new contactor and reconnect the cable.
Step 5 Close the door of the electric control box.
Step 6 Power on the device and tap Startup on the home screen. Ensure that the device is
running normally without any alarms.
----End

6.5.10 Replacing the SPD

Prerequisites
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Procedure
Step 1 On the controller home screen, tap Shutdown, and turn off the device switch in
the PDC.
Exercise caution because the device is still energized after it is shut down on the
controller home screen.
Step 2 Open the door of the electric control box.
Step 3 Remove the cables from the faulty SPD, remove the end fastener from the end of
the faulty SPD on the guide rail, unclamp the buckle of the SPD, and remove the
SPD.
Issue 06 (2020-08-19)
A spare contactor of the same model is available and functional.
Tool: Phillips screwdriver
NO TICE
The SPD (Figure 3-32
A spare SPD of the same model is available and functional.
Tool: Phillips screwdriver
NO TICE
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
shows the position of SPD) needs to be replaced.
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