Power-On Commissioning; Commissioning Preparations; Vacuumization And Partially Charging In Refrigerant - 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
Issue 12 (2020-10-28)
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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
Unit and 3.6.5 Connecting Signal
Ensure that the refrigerant pipes have passed the air tightness test and do not
leak.
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Power-On Commissioning

3.6.3 Connecting the Power Cable to the Indoor
Cables.
4 Power-On Commissioning
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