Huawei NetCol5000-A025 - Power-On Commissioning; Vacuumization and Refrigerant Precharging; Amount Requirements for the Refrigerant and Refrigerant Oil to Be Charged

4 Power-On Commissioning
4.1 Vacuumization and Refrigerant Precharging
NO TICE
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.
4.1.1 Amount Requirements for the Refrigerant and
Refrigerant Oil to Be Charged
The maximum length of one-way pipeline is 80 meters. If the length (L) is from 0
meters to 80 meters, the outer diameter of the gas pipe and liquid pipe should be
3/4 inch (19.05 mm) and 5/8 inch (15.88 mm) respectively.
Amount of the Refrigerant and Refrigerant Oil to Be Charged for the
NetCol500-A032
Table 4-1 shows the amount of the refrigerant and refrigerant oil to be charged
for the NetCol500-A032.
Table 4-1 Amount of the refrigerant and refrigerant oil to be charged for the
NetCol500-A032
Model
NetCol500-A032 with Low-Temperature Components
(–40°C to +45°C)
Length of one-way
pipeline (m)
0 < L ≤ 10 10 < L ≤ 80
Amount of
refrigerant (kg)
22 22 + (L – 10) x 0.19
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 4 Power-On Commissioning
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 98