Discharging Nitrogen At The Outdoor Unit Needle Valves - Huawei NetCol8000-A Series Quick Manual

In-room air cooled smart cooling product
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NetCol8000-A045/A090
Downflow-Side Piping
NetCol8000-A060/A120
Downflow-Side Piping
5.4

Discharging Nitrogen at the Outdoor Unit Needle Valves

Exhaust nitrogen from the three needle valves respectively. Do
not remove the needle valve plug in case of loss or damage.
NetCol8000-A045
Upflow-Side Piping
NetCol8000-A060
Upflow-Side Piping
(1) Gas pipe
(2) Liquid pipe
12

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