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22 Room Air Conditioner
Installation
Put a couple drops of refrigerant oil on the face
of the flare before assembling taking care not to
add any contaminants.
Align the center of the pipings and sufficiently
tighten the flare nut by hand.
• The drain hose can be connected at two different
positions. Use the most convenient position and, if
necessary, exchange the position of the drain pan,
rubber cap and the drain hose.
➊ Drain pan
➋ Rubber cap
➌ Drain hose
➍ Exchange if necessary
• Remove the drain hose.
• Securely insert both the rubber plug and drain
hose into the drain outlets.
Be sure the rubber the cap is securely fastened so
that there is no leakage.
Finally, tighten the flare nut with torque wrench
until the wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the arrow
on the wrench.
Outdoor unit
Suction Line piping
(Bigger diameter)
Evaporator Line
piping
(Smaller
diameter)
Torque wrench
1
2
3
4
Connecting the PipingConnection Of The Drain Hose
Connecting the PipingConnection Of Piping -Outdoor
Ø6.35 1/4 1.8
Ø9.52 3/8 4.2
Ø12.7 1/2 5.5
Ø15.88 5/8 6.6
Ø19.05 3/4 6.6
Outside diameter
mm inch
Torque