Replacing Air Filters For A 20 Kw Air-Cooled Precision Air Conditioner - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Preparations
Tool: flat-head screwdriver, step ladder (2 m)
Materials: 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 cables from the remote T/H sensor.
Figure 6-8 Removing the network cables 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 cables 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
Follow-up Procedure
Dispose of the removed remote T/H sensor that is confirmed faulty.
6.2.2 Replacing Air Filters for a 20 kW Air-Cooled Precision Air
Conditioner
Prerequisites
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Issue 02 (2017-01-10)
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.
The air conditioner air filters need to be replaced.
Air filters of the same model are available and functional.
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