Figure 4-82 NetCol8000-A045/A055/A090 charging nitrogen to pipes with a
low-temperature component (downow)
(1) Nitrogen cylinder (2) Reducing valve (3) Pressure gauge 1
(4) Pressure gauge 2 (5) Low-pressure needle
valve
(6) Exhaust pipe needle valve
(7) Liquid pipe needle valve
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual 4 System Installation
Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. 118
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