Flaring Method; Connecting The Pipes - Carrier Klarwind User/Install Manual

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.
Liquid side
Gas side

Flaring method

Cut the pipe to the proper length with a pipe
1
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
2
pipe reamer.When reaming, hold the pipe end
downward and make sure that no copper scraps
fall into the pipe.
Do not let the inner area of the pipe be
3
exposed to air for too long.
Compressor oil is very sensitive to moisture.
4
Tightly seal the pipe end.
Remove the flare nut from the unit to mount it on the
5
pipe. Make a flare at the end of the pipe with a flare tool.
· No burrs should be left at the end of flare.
36
Carrier Standing Type Inverter Air Conditioner
① torque wrench
② indoor side
③ outdoor side
Flare nut
6.35mm (1/4")
12.7mm (1/2")
Tilt Wrinkle
3
Tightening torque (kgf-m)
1.5~2.0
5.0~5.5
Irregular
Crack
thickness
1
2
Pipe
Reamer
Flare tool
Flare nut
Pipe