Electric Cable Connections; Cables To Be Connected And Precautions - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Figure 3-40 Charge nitrogen positions with installing low-temperature component
(1) Liquid pipe needle valve
(4) Low pressure gauge
(7) Nitrogen
Step 3 Inject nitrogen into the pipes to stabilize the pressure at 3.0 MPa for 24 hours. The
system pressure should not decrease before and after pressure preservation
provided that the ambient temperature is stable. If the pressure varies due to
ambient temperature changes, conduct the pressure preservation test again.
Step 4 Discharge nitrogen as
----End

3.6 Electric Cable Connections

This topic describes the cable connections for the NetCol8000-A, including the
cables to be connected and precautions, cable connections for the indoor unit, and
connections verification.

3.6.1 Cables to be Connected and Precautions

The following cables are to be connected onsite:
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Issue 12 (2020-10-28)
3.5.1 Exhausting Nitrogen
Power cable for the indoor unit
Power cable for the outdoor unit
Signal cable for the indoor unit
Communications cable for the indoor unit
Voltage jumper (only NetCol8000-A050)
Copyright © Huawei Technologies Co., Ltd.
(2) Low pressure needle valve
(5) High pressure gauge
(8) Low pressure gauge
3 Installation Guide
(2) High pressure needle valve
(6) Reducing valve
(9) High pressure gauge
shows.
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