Step 5 Install the spare AC actuator in the original position and connect the cables.
Step 6 Switch on the upstream AC input circuit breaker for the AC actuator and press the
wireless communications button on the AC actuator to network the AC actuator
with the ECC800-Pro.
----End
4.3.10 Replacing a T/H Sensor
Prerequisites
●
Recommended tools: Phillips screwdriver, flat-head screwdriver
●
A T/H sensor needs to be replaced.
●
A spare T/H sensor of the same model is available and functional.
Procedure
Step 1 Remove cables from the T/H sensor.
Step 2 Remove the T/H sensor from its base.
NO TICE
After removing cables, wrap exposed terminals with insulation tape and do not
block cable labels. If cable labels are blocked, cables may be connected incorrectly.
Step 3 Install a new T/H sensor onto the base.
NO TICE
Before removing a T/H sensor, remember the DIP switch setting on it. When you
install a new T/H sensor, you need to set the same DIP switch setting for the new
one.
Step 4 Reconnect cables to the new T/H sensor.
----End
4.3.11 Replacing the WiFi Module
Impact on the System
The app cannot be connected to the ECC800-Pro, and the smart module
information cannot be properly displayed.
Preparations
Material: WiFi module
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
4 Parts Replacement
Issue 01 (2021-04-20)
Copyright © Huawei Technologies Co., Ltd.
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