NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Copyright © Huawei Technologies Co., Ltd.
5 Power-On Commissioning
5.1 Commissioning Tools
The following lists the tools for commissioning the NetCol5000-A. Add or delete tools as
required.
Wrench: adjustable wrench.
Vacuumization and charging tools: pressure gauge (scale ≥ 4.0 MPa), leather hose
(bearing pressure ≥ 4.5 MPa), and vacuum pump.
Measuring tools: multimeter, clamp meter, and electric balance.
Protective tools: insulation gloves, boots, and antifreeze gloves.
Others: torch.
5.2 Vacuumizing and Charging in Refrigerant
Wear protective gloves when handling refrigerant to avoid injury from refrigerant leakage.
5.2.1 Calculation about the Charged the Refrigerant and
Refrigerant Oil
Refrigerant
Calculate the total one-way length of pipes connecting the indoor unit and the outdoor unit by
referring to Table 3-12. L is short for the length.
The refrigerant is R410A. You are suggested to use it from the brand of Dupont, Daikin,
Honeywell, or the same quality refrigerant. Table 5-1 and Table 5-2 show the refrigerant to be
charged.
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