NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 3-36 Charging nitrogen to pipes without configuring low-temperature component
(5) Low-pressure needle valve
(6) Exhaust pipe needle valve
If a low-temperature component is installed on the outdoor side, connect pipes as shown
in Figure 3-37, and charge nitrogen into the system from the low-pressure, discharge
pipe, and liquid pipe needle valves simultaneously.
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