Huawei NetCol5000-A050 Quick Manual page 10

Top pipe routing
Thermal
insulation foam
Bottom pipe routing
Welding the Outdoor Unit Ports
7.4
• When the outdoor unit is
installed vertically, the gas
pipe should be connected to
the top port and the liquid
pipe should be connected to
the bottom port.
• A reducing pipe is required
when welding a 3/4 inch
copper pipe to a 5/8 inch
connector.
7/8 inch 5/8 inch
gas pipe liquid pipe
10
5/8 inch
7/8 inch
liquid pipe
gas pipe
7/8 inch gas pipe
Thermal
insulation foam
Thermal
insulation foam
5/8 inch liquid pipe