Huawei NetCol8000-A Series User Manual page 91

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Figure 4-1 Vacuumizing the single cooling system without configuring low-
temperature component
(1) Low pressure needle valve
(3) Low pressure gauge
(5) Vacuum pump
●
Issue 12 (2020-10-28)
If low-temperature component is installed on the outdoor side, vacuumizing
the cooling system from the high pressure needle valve, low pressure needle
valve, and liquid pipe needle valve at the same time.
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4 Power-On Commissioning
(2) High pressure needle valve
(4) High pressure gauge
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