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INSTALL THE CONNECTION TUBING
• Connect the copper tubing with the relevant union
tubes of the indoor unit and tighten the flare nut
of the connection tubes.
NOTE: Be careful when bending the connection
tubes to avoid damaging them.
1. Align the center of the tube flare with the relevant
valve.
2. Screw in the flare nut by hand and then tighten
the nut with spanner and torque wrench. See the
table below for the correct torque.
3. Connecting tube specifications are shown below:
NOTE: Exceeding tightening torque will damage
the copper tubing.
Installation Instructions
INSTALL THE MOUNTING PLATE
• Always mount the mounting plate horizontally.
• Attach the mounting plate at the selected location
with screws supplied with the unit.
• Be sure that the mounting plate has been
attached firmly enough to withstand the weight
of an adult of 130 lbs. Also, the weight should be
evenly shared by each screw.
1
INSTALLATION
2
INSTALL THE TUBING HOLE
• Make the tubing hole in the wall at a slight
downward slant to the outdoor side.
• To let water drain and prevent damage to wiring
and tubing, insert a 2
1
⁄2″ plastic pipe, cut to a
length equal to the wall depth. Insert the tubing
and wiring through the pipe.
• Copper tubing should be capped until ready to
install flare fitting, to prevent contamination.
2
INSTALL THE DRAINAGE HOSE
• For good drainage, the drain hose should be
placed at a downward slant.
• Do not wrench or bend the drain hose or allow
it to contact standing water.
• The extended drainage tube in the room should
be wrapped with the insulating materials.
3
Bend
Wrenched
Flooded
4
Torque wrench
Flare nut
Joint
Spanner
Tubing OD Tightening torque (in./lb.)
1/4″ 140–170
3/8″ 270–310
1/2″ 440–480
5/8″ 530–570
Tightening torque table
11
1
1
⁄2” from bottom
edge to center of
right tubing hole
3” from right
edge to center of
right tubing hole
Hole is 2” diameter for 10K and 14K BTU
models and 2
1
⁄2” diameter for
20K BTU models.
10,000/14,000 20,000
Specifications BTU Units BTU Units
Design Length 20 ft. 26.2 ft.
Extra Refrigerant Charge 0.16 oz./ft. 0.54 oz./ft.
Per Ft. Above Design Length
Outer Diameter Liquid Pipe 1/4″ 3/8″
Outer Diameter Gas Pipe 1/2″ 5/8″
Max. Distance Height 33 ft. 33 ft.
Max. Distance Length 68 ft. 98 ft.