Power-On Commissioning; Commissioning Preparations; Vacuumization And Partially Charging In Refrigerant; Charging The Refrigerant And Refrigerant Oil - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
This topic describes the power-on commissioning of the NetCol8000-A, including the
commissioning preparations, partially filling in refrigerant, system commissioning, and check
after the commissioning.

4.1 Commissioning Preparations

Before the system commissioning, check that:
1.
2.
3.
4.
5.
6.

4.2 Vacuumization and Partially Charging in Refrigerant

4.2.1 Charging the Refrigerant and Refrigerant Oil

Table 4-1 Charge of refrigerant and refrigerant oil
Total One-way
Length
Issue 10 (2019-01-15)
4
The indoor fan is lowered properly. There is no foreign matter in the air vents. The cover
plate of the flow deflecting ring on the indoor fan is installed properly and is not
deformed. And the indoor fan and the flow deflecting ring are work without interference.
The water inlet and outlet pipes of the infrared humidifier and the condensate drainpipes
are unblocked and free of leakage.
The protective device for the infrared humidifier is removed, and the fastener of the high
water level detection switch is removed. The supply water valve is open.
The input voltage and frequency of the main power supply are within the nominal range
and the phase sequence is correct.
The signal cables to the indoor unit and the outdoor unit are correctly connected as
specified in 3.6.3 Connecting the Power Cable to the Indoor Unit
Signal Cables.
Ensure that the refrigerant pipes have passed the air tightness test and do not leak.
Item NetCol500-072
Copyright © Huawei Technologies Co., Ltd.

Power-On Commissioning

NetCol500-072
(including
low-temperature
component)
4 Power-On Commissioning
and 3.6.5 Connecting
NetCol500-088
76