Connecting Water Pipes - Huawei NetCol8000-A Series Quick Manual

Discharging Nitrogen at the
5.4
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.
5.6
(Optional) Connecting Low Temperature Component Pipes
To outdoor unit gas pipe
To indoor unit
liquid pipe
6

Connecting Water Pipes

Connecting the Humidifier Water Inlet Pipe
6.1
G 3/4 inch adapter with inner screw thread
To indoor unit gas pipe
G 3/4 inch reserved connector
with outer screw thread
Matched with the adapter, the pressure
resistance should be at least 0.7 MPa
5.5 Welding the Outdoor Unit Ports
7/8 inch
gas pipe
To outdoor unit liquid pipe
•
When the outdoor is installed vertically, the
gas pipe should be connected to the top
port and liquid pipe should be connected to
the bottom port.
•
A reducing pipe is required when welding
3/4 inch copper pipe to 5/8 inch connector.
1
9
Thermal
insulation
foam
5/8 inch
liquid pipe