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•
If the terminal screws are tightened too hard, screws
might be damaged.
•
The tightening torque of each terminal screw is shown
in the Table 4.
•
When a stranded wire is used, do not perform solder
finishing.
9-2 WIRING EXAMPLE
CAUTION
Be sure to install an earth leakage breaker to the outdoor unit.
This is to avoid electric shocks or fire.
For the wiring of outdoor units, refer to the installation manual attached to the outdoor units.
Confirm the system type.
•
Pair type
: 1 remote controller controls 1 indoor unit (standard system).
(Refer to Fig. 34)
•
Group control
:1 remote controller controls up to 16 indoor units
(All indoor units operate according to the remote controller).
(Refer to Fig. 35)
•
2 remote controllers control
: 2 remote controllers control 1 indoor unit.
(Refer to Fig. 37)
Tightening torque (N·m)
Terminal block for remote controller wiring
0.79~0.97
1.18~1.44
1.18~1.44
Terminal block for wiring between units
Earth terminal
Table 4
Round crimp-style
terminal
Electric wire
Fig. 32
GOOD
WRONG
WRONG
Do not connect wires
of different gauges.
(WRONG)
Do not connect wires
of the same gauge to
one side. (WRONG)
Connect wires of the
same gauge to both
side. (GOOD)
Fig. 33
1 2 3
P
1
P
2
1 2 3
P
1
P
2
Main power supply
Earth leakage
circuit breaker
Outdoor unit
Indoor unit
Remote controller
(Optional accessory)
Pair type
Fig. 34
3PEN486970-1D.book Page 23 Monday, July 24, 2017 8:54 AM