Installation manual

9 ■English
Wiring
WARNING
1) Do not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical shock, or fire.
2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
3) Be sure to install an earth leak detector. (One that can handle higher harmonics.)
(This unit uses an inverter, which means that it must be used an earth leak detector capable handling harmonics in order to
prevent malfunctioning of the earth leak detector itself.)
4) Use an all-pole disconnection type breaker with at least 3 mm between the contact point gaps.
• Do not turn ON the safety breaker until all work is completed.
1) Strip the insulation from the wire (20mm).
2) Connect the connection wires between the
indoor and outdoor units so that the terminal
numbers match. Tighten the terminal screws
securely. We recommend a flathead screw-
driver be used to tighten the screws.
Observe the notes mentioned following when wiring to the power supply
terminal board.
Precautions to be taken for power supply wiring.
Use a round crimp-style terminal for connection to the power supply terminal
board. In case it cannot be used due to unavoidable reasons, be sure to
observe the following instruction.
Place the round crimp-style terminals on the wires up to the covered part and
secure in place.
• Ground terminal installation
Use the following method when installing the round
crimp-style terminal.
1
2
3
123
LN
Safety
breaker
20A
Earth leakage
circuit breaker
Earth
When wire length exceeds
10m, use 2.0mm diameter wires.
H05VV
Firmly fix the wires with
the terminal screws.
Outdoor unit
Indoor
unit
Power
supply
50Hz 220-240V
Firmly fix the wires with
the terminal screws.
Use 2.0mm diameter wires.
Use the specified wire type
and connect it securely.
Firmly secure wire retainer
so wire terminations will not
receive external stress.
Power supply
terminal block
LN
123
Shape wires so that the
service lid and stop
valve cover fit securely.
Electric Wire
Round crimp-style
terminal
Good Wrong
Round crimp-
style terminal
Flat washer
Screw
Flat washer
Round crimp-
style terminal
Screw
01_EN_3P159684-2F.fm Page 9 Wednesday, December 7, 2005 3:18 PM