(3) Connecting to the outdoor unit gas pipe:
7/8 inch (22.22 mm)
(4) Connecting to the indoor unit gas pipe: 7/8
inch (22.22 mm)
Figure 4-69 Connecting pipes to the outdoor unit
(1) Connecting to the indoor unit liquid pipe
(2) Connecting to the indoor unit gas pipe
(3) Connecting to the outdoor unit gas pipe
(4) Connecting to the outdoor unit liquid pipe
4.8.5 Welding the Water Cooling Module
1. Use a welding torch to remove the plugs at the refrigerant pipe ends.
2. Connect the gas and liquid pipes to the gas and liquid pipes of the indoor unit
respectively.
NO TE
Take protective measures, such as spreading a piece of wet cloth, around the welding
position, to avoid burning the needle valves, pipe plugs of other end, thermal insulation
foam, cables, and labels.
Figure 4-70 Welding refrigerant pipes for the water cooling module
(1) Liquid pipe 5/8 inch
(2) Gas pipe 7/8 inch
NetCol8000-A(045, 055, 060, 090, 120) In-room Air
Cooled Smart Cooling Product
User Manual
4 System Installation
Issue 05 (2020-10-10)
Copyright © Huawei Technologies Co., Ltd.
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