Replacing The Electric Heater (Downflow) - Huawei NetCol8000-C User Manual

NetCol8000-C(070-260) In-room Chilled Water Smart
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Step 5 Remove the four bolts from both ends of the electric heater and take out the electric heater
and its cable.
Figure 6-32 Electric heater position
Step 6 Install and secure the new electric heater by performing
maintenance baffle and close the front door.
Step 7 Power on the device. Tap Start on the home screen, and choose Maint > Diagnostic Mode >
Enter. Then start the electric heater and check that the heater operates properly. Then exit
from the diagnostic mode.
Step 8 On the home screen, choose Maint > Performance Maint to enter the performance
maintenance screen and clear the runtime of the electric heater.
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6.7.10.2 Replacing the Electric Heater (Downflow)

Step 1 Tap Shutdown on the display's home screen.
Exercise caution because the device is still energized when it is shut down over the display.
Step 2 Open the front door and turn off the general switch. For a device that has two power inputs,
turn off the active power switch QF1 and standby power switch QF2.
Step 3 Remove the fan maintenance baffle plate. After the electric heater cools to the room
temperature, cut off the cable tie on the electric heater cable and disconnect the
interconnection terminal.
Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Step 5 to Step 3. Install the fan
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