Step 6 Install the new high pressure switch and connect cables.
Step 7 Install the air lter and close the rear door.
Step 8 Power on the device and tap Startup on the home screen. Ensure that the smart
cooling product is running normally without any alarms.
----End
4.2.2.8 Replacing the Compressor
Prerequisites
● The compressor needs to be replaced.
● A spare compressor of the same model is available and functional.
● Tools: protective gloves,
at-head screwdriver, Phillips screwdriver, heat gun,
refrigerant retrieval device
(congured based on local conditions), sealant for
refrigerant pipes, angle valve sealing ring, three 30# and one 36# adjustable
wrenches, 13# ratchet wrench (or 13# solid wrench), nitrogen cylinder,
leather hose,
lter dryer, and torque wrench
Context
The compressor can be maintained only from the rear door.
● Reclaim or dispose of the refrigerant in accordance with local laws and
regulations. Do not discharge the refrigerant to the atmosphere.The
composition of R410A may change during the recycling process. Therefore, you
are not advised to
rell the refrigerant to the cooling system.
● When replacing a compressor, avoid skin contact with the refrigerant or
refrigerant oil to prevent frostbite or burns.
● Do not tilt the compressor during replacement to prevent lubricant leaks.
● Install a new compressor immediately after you remove the rubber plugs of the
suction inlet and discharge outlet to prevent the moisture.
Figure 4-26 shows an angle valve.
FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario) 4 Parts Replacement
Issue 01 (2021-04-20) Copyright © Huawei Technologies Co., Ltd. 83
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