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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Figure 6-35 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.
----End
6.7.11 Replacing the Low Liquid Level Detector
Context
Tool: Phillips screwdriver
Procedure
Step 1 Tap Shutdown on the LCD home screen.
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 Disconnect the interconnection terminal of the low liquid level detector.
Step 4 Remove the low liquid level detector fastener.
Issue 06 (2020-01-13)
For upflow units: Remove the butterfly nuts on the low liquid level detector fastener and
pull out the fastener upwards.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Step 5
to
Step
3. Install the fan
270
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