Cooling System - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Item

4.3.2 Cooling System

If a cooling component needs to be powered off for maintenance, take measures to prevent
device overheating before powering off the component.
Table 4-4 Monthly maintenance checklist for the cooling system
Item
20 kW
air-cooled
precision
air
conditioner
Issue 02 (2017-01-10)
Method Expected
Result

Method Expected
Result
Check electric The electric
heaters.
heaters and
switches are
secure.
The electric
heater surface
is not
corroded.
Check the floats. There is no
scale.
The floats are
working
properly.
Check screws The
securing the compressor is
compressor.
securely
installed.
Check the service The
valve. compressor
service valve
has no oil
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Troubleshooting
temperature
is lower
than 45° C.
The
ambient
battery
temperature
is 25± 5° C.
Troubleshooting
Secure the electric heaters and
switches.
Replace the faulty electric heater by
following instructions in the air
conditioner user manual.
Clean the floats.
Replace the faulty float by
following instructions in the air
conditioner user manual.
Tighten screws securing the
compressor.
Clean the oil stains.
4 Routine Maintenance
24