12
NetCol8000-A045
Upflow-Side Piping
NetCol8000-A045/A090
Downflow-Side Piping
NetCol8000-A060
Upflow-Side Piping
NetCol8000-A060/A120
Downflow-Side Piping
(1) Gas pipe
(2) Liquid pipe
Discharging Nitrogen at the Outdoor Unit Needle Valves
5.4
Exhaust nitrogen from the three needle valves respectively. Do
not remove the needle valve plug in case of loss or damage.