Huawei NetCol8000-A Series User Manual page 66

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
(1) Low pressure needle valve
(3) Low pressure gauge
(5) Nitrogen

Issue 10 (2019-01-15)
Figure 3-39 Charge nitrogen positions without configuring low-temperature component
If low-temperature component is installed on the outdoor side, charge nitrogen into the
system from the high pressure needle valve, low pressure needle valve, and liquid pipe
needle valve at the same time.
Copyright © Huawei Technologies Co., Ltd.
(2) High pressure needle valve
(4) High pressure gauge
3 Installation Guide
57