Huawei NetCol8000-A Series User Manual page 69

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Figure 3-39 Charge nitrogen positions without configuring low-temperature
component
(1) Low pressure needle valve
(3) Low pressure gauge
(5) Nitrogen
●
Issue 12 (2020-10-28)
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.
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(2) High pressure needle valve
(4) High pressure gauge
3 Installation Guide
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