Fig. 4
Fixing hook
Rear Panel
Right
Left rear
Left
Right rear
Fig. 3
Fig. 2
Tailing 2
Tailing1
Gas side piping
External connection
electric wire
Liquid side
piping
Liquid side
piping
insulation
Water drainage pipe
Finally wrap it
with tape
Gas side piping
insulation
??
Rear
Panel
Install the Indoor Unit
Piping may lead out from right, right rear, left or left rear.
1. When installing piping and wiring from left or right side,
cut off the tailings from the chassis. (See Fig. 2.)
• Cut off tailing 1 when installing wiring only.
• Cut off both 1 and 2 when installing wiring and piping.
2. Remove piping from the body case, wrap the piping
electric wire and water pipe with tape, and put them
through the piping hole. (See Fig. 3.)
3. Align the mounting slots of the indoor unit on the upper
tabs of the rear panel and check that the connection is
fi rm. (See Fig. 4.)
Install the Refrigerant Pipes
1. Align the center of the piping fl are with appropriate valve.
2. Tighten the fl are nut by hand, then tighten securely with
screwdriver or torque wrench according to the following
guidelines:
Tightening torque table
NOTE:
Connect refrigerant lines to indoor unit fi rst, then to
outdoor unit.
Be careful not to bend or kink refrigerant lines.
Over tightening refrigerant line fl are nuts may cause
damage.
INSTALLING THE INDOOR UNIT
18
Wrench
Torque wrench
Indoor unit piping
Taper nut Piping
Tube diameter
Torque ft-lb (N-m)
¹⁄₄
" (6 mm)
11-15 (15-20)
³⁄₈
" (9.5 mm)
23-26 (31-35)
¹⁄₂
" (12 mm)
37-41 (50-55)
⁵⁄₈
" (16 mm)
44-48 (60-65)
³⁄₄
" (19 mm)
52-55 (70-75)
