Carrier Standing Type Inverter Air Conditioner
Flaring method
1
2
4
5
3
Cut the pipe to the proper length with a pipe
cutter.
It is recommended to cut it about 30 ~ 50 cm
longer than the estimated piping length.
Remove burrs at the end of the pipe with a
pipe reamer.When reaming, hold the pipe end
downward and make sure that no copper scraps
fall into the pipe.
Compressor oil is very sensitive to moisture.
Tightly seal the pipe end.
Remove the flare nut from the unit to mount it on the
pipe. Make a flare at the end of the pipe with a flare tool.
Do not let the inner area of the pipe be
exposed to air for too long.
Tilt
Wrinkle
Crack
Irregular
thickness
· No burrs should be left at the end of flare.
36
Connecting the pipes
● Hold the pipe with one wrench while
tightening the connections with a torque
wrench. Be careful not to damage the flare
nut threads.
● If the tightening torque is insufficient, gas will
leak from the connection.
● If it is too great, the flare will be damaged.
Tightening torque is as shown in the table.
3
1
2
Flare nut
Tightening torque (kgf-m)
Liquid side
6.35mm (1/4")
1.5~2.0
Gas side
12.7mm (1/2")
5.0~5.5
① torque wrench
② indoor side
③ outdoor side
Pipe
Reamer
Flare tool
Flare nut
Pipe
CONNECTING THE PIPES