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INSTALLATION
14
Outdoor
- Remove the tubing cover from the unit by
loosening the screw.
- Align the center of the pipings and suffi-
ciently tighten the flare nut by hand.
- 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
Torque wrench
*The feature can be changed according a type
of model.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
Gas side piping
(Bigger diameter)
Liquid side piping
(Smaller diameter)
Torque
inch
kgf.m
1/4
1.8~2.5
3/8
3.4~4.2
1/2
5.5~6.5
5/8
6.3~8.2
3/4
9.9~12.1
Connecting the Cables
Connect the cable to the indoor unit by con-
necting the wires to the terminals on the con-
trol board individually according to the outdoor
unit connection. (Ensure that the color of the
wires of the outdoor unit and the terminal No.
are the same as those of the indoor unit.)
!
CAUTION
- The circuit diagram is a subject to
change without notice.
- The earth wire should be longer than the
common wires.
- When installing, refer to the circuit dia-
gram on the chassis cover.
- Connect the wires firmly so that they
may not be pulled out easily.
- Connect the wires according to color
codes, referring to the wiring diagram.
!
CAUTION
The power cord connected to the outdoor
unit should be complied with the follow-
ing specifications (UL recognized or CSA
certified).
AWG_"A"
Power supply cable
Power
"A"
2
(mm
)
Capacity(Btu/h)
18K/24k
12
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