Huawei NetCol8000-A045D User Manual page 126

NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
Issue 05 (2020-10-10)
Figure 4-78 NetCol8000-A045/A055/A090 charging nitrogen to pipes without
configuring low-temperature component (downflow)
(1) Nitrogen cylinder
(4) High pressure gauge
Figure 4-79 NetCol8000-A045 charging nitrogen to pipes without configuring
low-temperature component (upflow)
(1) Nitrogen cylinder
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(2) Reducing valve
(5) Low-pressure needle
valve
(2) Reducing valve
4 System Installation
(3) Low pressure gauge
(6) Exhaust pipe needle valve
(3) Low pressure gauge
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