Figure 4-46 Installing an outdoor unit
It is recommended that the NetCol500-A021 outdoor unit be secured to the concrete
foundation using M8 expansion bolts.
----End
4.2.6.4 Exhausting Nitrogen from an Indoor Unit
Context
Nitrogen is exhausted from the indoor unit through both the gas pipe needle valve
and liquid pipe needle valve of the indoor unit stop valve. Figure 4-47 shows a
smart cooling product stop valve.
Figure 4-47 Stop valve
(1) Needle valve nut
(2) Rear cover nut (3) Black plastic nut
Procedure
Step 1 Remove the rear cover nut from the stop valves using an adjustable wrench
Step 2 Open the stop valves on the gas pipe and liquid pipe of the indoor unit in turn
using a 5 mm hex key.
FusionModule800 Smart Small Data Center
User Manual 4 Installation Guide
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 130
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