Huawei NetCol5000-C - Replacing a Chilled Water Valve

NetCol5000-C Chilled Water-Cooled In-Row Precision
Air Conditioner
User Manual
6 System Operation and Maintenance
Issue 02 (2013-12-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
126
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A spare and functional rectifier is available.
Context
Preparations: Maintain from the rear door, and power off the rectifier
Procedure
Step 1 Remove the rear door and air filters.
Step 2 Remove the rectifier from the power distribution subrack, as shown in Figure 6-11.
Step 3 Replace the rectifier and insert the new rectifier to the corresponding slot of the power
distribution subrack.
Step 4 Install the air filters and rear door.
Step 5 Power on the rectifier and check whether the rectifier works properly.
Figure 6-11 Replacing the rectifier
----End
6.5.12 Replacing a Chilled Water Valve
Prerequisites
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The chilled water valve needs to be replaced.
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A spare and functional chilled water valve is available.