Replacing Cooling System Components; Replacing The Fresh Air Integrated Unit; Replacing The Air Filter; Replacing The Internal Cycle Fan - Huawei FusionModule 1000A20 Maintenance Manual

FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
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Step 2 Disconnect the power supply to the lights.
Step 3 Remove the faulty light.
During replacement, do not touch any end of the light with bare hands. You will get an
electric shock if you touch bare electrodes.
Step 4 Install the new light in the original position.
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4.2 Replacing Cooling System Components

4.2.1 Replacing the Fresh Air Integrated Unit

4.2.1.1 Replacing the Air Filter

Remove the up and down covers. Loosen the two screws of fixing the air filter support, and
remove the air filter support. Take the air filter out of the cooling product and clean it, as
shown by the following figure.
Figure 4-8 Replacing the Air Filter
(1) Air filter support
(3) Exhaust air filter

4.2.1.2 Replacing the Internal Cycle Fan

Step 1 Remove the front maintenance plate and the connecting terminal of internal cycle fan.
Step 2 Remove the mounting holder of internal cycle fan.
Issue 01 (2019-07-15)
If a light does not work but the cables to the light are intact, the light has failed and needs
to be replaced.
If all lights after a light do not work, the light adjacent to the working light has failed.
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(2) Up and down outer covers
(4) Fresh air filter
4 Parts Replacement
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