FusionModule800 Smart Small Data Center
Maintenance Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 5-43 Position of the filter dryer
Step 6 Weld the new filter dryer to the pipe.
Step 7 Secure the new filter dryer using cable ties.
Step 8 Perform a leakage test with nitrogen again.
Step 9 After checking that the air conditioner does not leak, vacuumize the air conditioner and
charge refrigerant.
Step 10 Reinstall the left front panel and left rear panel.
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5.3.2.4 Replacing a High Pressure Sensor
Prerequisites
A high pressure sensor needs to be replaced.
A spare high pressure sensor of the same model is available and functional.
Context
Tools: Phillips screwdriver, refrigerant retrieval device (required based on local
conditions), nitrogen injection and pressure preservation tool, vacuumization tool,
refrigerant injection tool, adjustable wrench, and sealant.
Preparation: Power off the outdoor unit.
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