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FusionModule1000B Water-Cooled IT Solution
Commissioning Guide
4 Preparations for Power-On Commissioning
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
Figure 4-3
Loosening the lock nut
When setting the pressure for the automatic water refill valve, verify that the water source
pressure is greater than 0.15 MPa and less than 1 MPa.
Step 4
Open the service valve of the automatic water refill valve after verifying that the automatic
water refill valve is properly set.
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4.5.5 Switching Valves for Filling Secondary Refrigerant
Prerequisites
You are familiar with the functions and control relationships of the valves in the cooling
system.
Context
Valves in the cooling system can work in three states: secondary refrigerant filling, running,
and maintenance and service.
Preparations
Tools: ESD floor suction plate
Documents: pipe system diagram, pipe system valve control relationship table