Power-On Commissioning; Tools; Vacuumization And Refrigerant Precharging; Requirements Of Refrigerant And Refrigerant Oil To Be Charged - Huawei NetCol5000-A021 User Manual

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)

5.1 Tools

Tools for commissioning the NetCol5000-A are as follows:
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5.2 Vacuumization and Refrigerant Precharging

Ensure that no combustion-supporting materials (air or additives) enter the smart cooling
product system during commissioning. Huawei shall not be liable for any risks and losses thus
incurred.
5.2.1 Requirements of Refrigerant and Refrigerant Oil to Be
Charged
Refrigerant and Refrigerant Oil to Be Charged of NetCol500-A0265S11E0
The NetCol500-A0265S11E0 is used in the range of outside temperature from –20° C to
+45° C, and the length of one-way pipeline is 80 m. The outer diameter of gas pipe and liquid
pipe should be 19.05 mm and 15.88 mm.
Table 5-1
Issue 03 (2020-01-10)
5
Wrench: adjustable wrench
Vacuumization and charging tools: pressure gauge (measurement range ≥ 4.0 MPa),
leather hose (bearing pressure ≥ 4.5 MPa), vacuum pump
Measuring tools: multimeter, clamp meter, electric balance
Protective tools: insulation gloves, antifreeze gloves, insulation shoes
Others: torch
shows the refrigerant and refrigerant oil to be charged for NetCol500-A0265S11E0.
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Power-On Commissioning

5 Power-On Commissioning
132