Installing And Connecting The Drain Hose Of The Indoor Unit - Samsung AR09HCF Series User & Installation Manual

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. If extending pipe by welding/brazing please ensure nitrogen is used
during welding/brazing process. The joint must be accessible and serviceable.
• The holder system is detachable as shown .
Holder system
(detachable)
7. For further details on how to connect to the outdoor unit and evacuate the air, refer to page 47~48.
• 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
SG_GOOD_A3050_IB&IM_EN_DB68-05200A-03.indd 44
Damaged
Inclined
Surface
Flare nut
Connecting pipe
The drain hose must NOT
slant upwards.
English-44
Uneven
Cracked
Thickness
Outer Diameter
N•m
ø6.35 mm 14~18
ø9.52 mm 34~42
ø12.70 mm 49~61
ø15.88 mm 68~82
The end of the drain hose
must NOT be placed under
water.
Torque
kgf•cm
140~180
350~430
500~620
690~830
The drain hose must not
be bent.
2/2/2016 8:26:26 AM