Replacing A Remote T/H Sensor For An Air Conditioner - Huawei FusionModule1000A40 ICT Solution Maintenance Manual

FusionModule1000A40 ICT Solution
Maintenance Guide
Follow-up Procedure
Dispose of the removed air cooled in-row precision air conditioner that is confirmed faulty.

4.2.3 Replacing a Remote T/H Sensor for an Air Conditioner

Prerequisites
A spare T/H sensor of the same model is available and functional.
Impact on the System
None
Preparations
Tool: flat-head screwdriver, step ladder (2 m)
Material: spare remote T/H sensor
Documents: remote T/H sensor DIP switch initial configuration table
Skill requirement: cooling engineer
Procedure
Step 1 Remove the network cable from the remote T/H sensor, as shown in Figure 4-39.
Figure 4-39 Removing the network cable from the remote T/H sensor
Step 2 Remove the faulty remote T/H sensor, install a new remote T/H sensor, and reconnect the
network cable to the sensor.
Step 3 Set the DIP switch for the remote T/H sensor by referring to the remote T/H sensor DIP
switch initial configuration table.
Step 4 Check that the new remote T/H sensor is working properly.
----End
Issue 01 (2019-03-05)
For the table, see the initial configuration parameter manual for the solution in use.
If the indicator of the remote T/H sensor is on and the air conditioner LCD does not display any
communication failure alarm, the remote T/H sensor is working properly.
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4 Parts Replacement
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