Replacing Cooling System Components; Replacing A Remote T/H Sensor For An Air Conditioner - Huawei FusionModule 1000A40 Maintenance Manual

FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)

5.2 Replacing Cooling System Components

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

Prerequisites
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Impact on the System
None
Preparations
Tool: flat-head screwdriver, step ladder (2 m)
Materials: spare remote T/H sensor
Document: initial configuration parameter table for cooling devices
Skill requirement: cooling engineer
Procedure
Step 1 Remove the network cable from the remote T/H sensor.
Figure 5-8 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 04 (2018-01-05)
A remote T/H sensor needs to be replaced.
A spare T/H sensor of the same model is available and functional.
For the tables, 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 for the remote T/H sensor, the remote T/H sensor is working properly.
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