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Cutting or extending the pipe
5. Check if you flared the pipe correctly (see examples of incorrectly flared pipes below).
Correct
6. Align the pipes to connect them easily. Tighten the flare nuts first with your hands, and then with a torque wrench,
applying the following torque.
Indoor outlet pipe
• E xcessive 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.
7. For further details on how to connect to the outdoor unit and purge the air, refer to page 36~38.
• T ighten the flare nut with torque wrench according to specified method.
If the flare nut is over-tightened, the flare may break and cause refrigerant gas leakage.
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
be bent.
34
AQV09K&Y@@_Jungfrau_IBIM_E_32448A.indd 34
Damaged
Inclined
Surface
Flare nut
Connecting pipe
The drain hose must NOT
slant upwards.
5cm
less
Keep a clearance of at least
5cm between the end of the
drain hose and the ground.
Uneven
Cracked
Thickness
Outer Diameter
Torque (kgf•cm)
ø6.35 mm
ø9.52 mm
ø12.70 mm
ø15.88 mm
ø19.05 mm
ø22.23 mm
The end of the drain hose must NOT
be placed under water.
Ditch
Do not place the end of the
drain hose in a hollow.
140~170
250~280
380~420
440~480
990~1210
990~1210
2011-3-19 15:45:48
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