Installing The Indoor Unit - Huawei NetCol8000-A Quick Manual

2.2 Oil Trap and Inverted Trap (Unit: mm)
7/8 inch Oil
trap
1 inch Gas pipe
inverted trap
3

Installing the Indoor Unit

1. Read the related user manual or instructions before installing the NetCol8000-A.
2. The unit in this document is a fully configured NetCol8000-A. If some components are not
configured, skip the corresponding steps.
3. You are recommended to use tools that are fully insulated when installing devices.
4. Only engineers from the manufacturer or engineers certified by the agent are allowed to
install, commission, and maintain smart cooling product. Otherwise, personal injuries and
device damage may be caused, which is beyond the smart cooling product warranty range.
Checking Whether the Nitrogen Is Discharged at the Needle Valves
3.1
of Outdoor Unit
NetCol8000-A045/A055/090 Downflow
Liquid pipe
needle valve
7/8 inch Gas pipe
inverted trap
Low-pressure
needle valve
Exhaust
pipe needle
valve
4
3/4 inch Liquid
pipe inverted trap
NetCol8000-A045 Upflow
Liquid pipe
needle valve
Exhaust pipe needle valve
1 inch Oil trap
5/8 inch Liquid
pipe inverted trap
Low-pressure needle
valve