Figure 4-15 Stop valve
(1) Needle valve nut
(2) Rear cover nut
(3) Black plastic nut
Procedure
Step 1 Open the stop valve on the gas pipe of the indoor unit using a 5 mm hex key.
Figure 4-16 Opening a stop valve plug
Step 2 Remove the needle valve nut at the gas pipe of the indoor unit, connect a rubber
hose and a pressure gauge to the gas pipe needle valve, and slowly exhaust
nitrogen, as shown in
.
CA UTION
When you connect the rubber hose, the pressure gauge valve should be closed.
When exhausting nitrogen, ensure that the rubber hose is secured. Otherwise,
personal injury will be caused as a result of the airflow impact.
FusionModule500 Smart Mini Data Center
User Manual
4 Installation Guide
Issue 02 (2020-12-25)
Copyright © Huawei Technologies Co., Ltd.
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