Huawei NetCol5000-A - Page 94

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
4 Commissioning
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
86
Figure 4-3 Precharging refrigerant into the system without a low-temperature component
(1) Refrigerant cylinder
(2) Electronic scale
(3) Pressure gauge
(4) Connection nut
(5) Low-pressure needle valve
(6) Exhaust pipe needle valve