1-1911-190
7-24. Basic Wiring Diagram
CAUTION
Be sure to do the wiring
correctly (incorrect wiring
will damage the equipment).
Wiring procedure
Carry out the wiring according to the above wiring
diagram.
Address setting is automatically executed
after turning on the system.
An indoor unit address is assigned to each
indoor unit.
Operation takes place successively at
intervals of 1 second, by using combinations
of the address setting of each unit.
In case of using shielded wires for inter-unit control
wiring, ground the shield on one side. (Fig. 1-240)
Otherwise misoperation because of electrical noise
may occur.
Shielded wire
Ground
Fig. 1-240
U1
U2
U1
U2
1
2
: Ground (earth)
Outdoor unit
Indoor unit
No. 1
1
2
Remote
Controller
Inter-unit
control
wiring
Wire joint
1
SM830203-04.indb 190 15/10/16 10:45:25
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