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9 English
Wiring
WARNING
• Donotusetappedwires,extensioncords,orstarburstconnections,astheymaycauseoverheating,electricshock,orre.
• 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re.
• The circuit must be protected with safety devices in accordance with local and national codes, i.e. a fuse, a circuit breaker, a
disconnect or a GFCI.
• Use an all-pole disconnection type circuit breaker with at least 1/8 inch (3mm) between the contact point gaps.
• When carrying out wiring, take care not to pull at the conduit.
• Donotconnectthepowerwiretotheindoorunit.Doingsomaycauseelectricshockorre.
CAUTION
Precautions to be taken for power supply wiring
• When using stranded wires, make sure to use the round crimp-style
terminal for connection to the power supply terminal block.
Stranded wire
Round crimp-style
terminal
Arrow view
Flat washer
Screw
Round
crimp-style
terminal
Good
Round crimp-
style terminal
Flat washer
Screw
Wrong
Flat washer
Round crimp-
style terminal
Screw
A
A
• When connecting the inter-unit wires to the terminal block using a single core wire, be sure to curl the end of the lead.
Improperworkmaycauseheatandres.
Strip wire end
to this point.
Excessive strip length
may cause electric shock
or current leakage.
Stripping wire at terminal block
Good Wrong
Good Wrong
• Do not turn on the circuit breaker until all work is completed.
1) Strip the insulation from the wire (3/4 inch (20mm)).
2) Connect the inter-unit wires between the indoor and outdoor units so that the terminal numbers match. Tighten the
terminal screws securely. It is recommended that a slot-head screwdriver be used to tighten the screws.
The screws are packed with the terminal block.
1
2
3
1 2 3
Safety devices in
accordance with local and
national codes, i.e. a fuse, a
circuit breaker, a disconnect
or a GFCI
Ground
Firmly fix the wires with
the terminal screws.
Wire size and length must comply
with local codes.
Outdoor unit
Indoor
unit
Power supply
60Hz 208-230V
20A
Firmly fix the
wires with the
terminal screws.
L
1
L
2
01_EN_3P457793-1.indd 9 11/22/2016 10:46:30 AM
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