Huawei FusionDC1000A Maintenance Manual page 78

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
5.
Step 11 Remove the water refill and drainage pipes from the smart cooling product indoor
unit, and cut off the refrigerant pipe.
● Before cutting the pipe, place a rag or vessel under the pipe to prevent leaked
refrigerant oil from contaminating the floor.
● Verify that the pipe cutting point does not influence the smart cooling product
movement.
● Tightly wrap and seal the ports on the smart cooling product and pipe with
tinfoil after cutting the pipe to prevent exposure to air.
● Drag the smart cooling product drainpipe completely out of the smart cooling
product after removing the drainpipe.
● Coil the water refill hose inside the smart cooling product after removing it to
avoid influence on the smart cooling product movement.
● Drag the copper pipe that goes inside the smart cooling product completely out
of the smart cooling product after cutting the copper pipe to avoid influence on
the smart cooling product movement.
● Ignore the small amount of refrigerant oil that flows out during refrigerant
discharge, or contact Huawei technical support for help.
1.
2.
Issue 01 (2021-04-20)
Check whether water exists in the water pan, humidifier cylinder, humidifier
pipes, and drainpipe. If residual water exists, clean the water using a rag and
bucket to prevent water leakage.
NO TICE
Remove the drainpipe hose clamp using a flat-head screwdriver, and remove
the drainpipe.
Figure 4-14 Removing the drainpipe
Cut smart cooling product pipes.
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4 Parts Replacement
70