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
(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
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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:

Issue 10 (2019-01-15)
Figure 3-40 Charge nitrogen positions with installing low-temperature component
3.5.1 Exhausting Nitrogen
Power cable for the indoor unit
Copyright © Huawei Technologies Co., Ltd.
(2) Low pressure needle
valve
(5) High pressure gauge
(8) Low pressure gauge
shows.
3 Installation Guide
(2) High pressure needle
valve
(6) Reducing valve
(9) High pressure gauge
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