FusionModule800 Smart Small Data Center
Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
An electric heater needs to be replaced.
A spare electric heater of the same model is available and functional.
Context
The electric heater is maintained from the front.
There is one electric heater behind fan 2, and one behind fan 4. When replacing, replace
the two electric heaters together.
Procedure
Step 1 Shut down the air conditioner over the EMS.
Method 1: Log in to the ECC800 mobile phone or pad app as admin.
a. Choose Home.
b. Tap the cabinet that houses the air conditioner in the micro-module view.
c. Tap the air conditioner to be set in the cabinet layout diagram.
d. Choose Real-time Data > OFF.
Method 2: Log in to the ECC800 WebUI as admin. Choose Monitoring > Air
Conditioner > NetCol5000-A0104 > Controls > Ctrl Info, set On/off status on
EMS > Off, and then click Submit.
0104 in NetCol5000-A0104 is variable and subject to changes with the air conditioner connection
sequence. The displayed value prevails.
Step 2 Disconnect the power supply from the air conditioner control unit after the air conditioner
shuts down over the EMS.
Step 3 Remove fan 2 and fan 4 by referring to 5.3.1.2 Replacing an Indoor Fan.
Step 4 Cut the cable tie securing the electric heater terminal and remove the terminal.
Step 5 Remove the two screws from the electric heater fastener, and pull out the electric heater
forwards, as shown in Figure 5-32.
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