32
Cutting or extending the pipe
Outer Diameter
Torque (kg
Gt
cm)
ø6.35 mm
140~170
ø9.52 mm
250~280
ø12.70 mm
380~420
ø15.88 mm
440~480
Indoor outlet pipe
Connecting pipe
Flare nut
5.
6.
applying the following torque:
7. For further details on how to connect to the outdoor unit and purge the air, refer to page 34~35.
Correct
Uneven
Thickness
Cracked
Damaged
Surface
Inclined
t
Excessive torque can be cause of gas leakage. In case brazing the pipe, the nitrogen gas must be blown into the
pipe (50 Pa). The joint must be accessible and serviceable.
t
Tighten the
nut with torque wrench according to
method.
Installing and connecting the drain hose of the indoor unit
When installing the drain hose for the indoor unit, check if condensation draining is adequate.
When passing the drain hose through the 65-mm hole drilled in the wall, check the followings:
Wall
Indoor unit
Drain hose
The drain hose must NOT
slant upwards.
The end of the drain hose
must NOT be placed under
water.
The drain hose must not
be bent.
Keep a clearance of at least
5cm between the end of the
drain hose and the ground.
5cm
less
Do not place the end of the
drain hose in a hollow.
Ditch
After completing the
installation of the drain
hose, pour water into
the drain pan to check
whether the hose is well
drained.