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78
RC
(WL)
7-16. Basic Wiring Diagram
Be sure to do the wiring
correctly (incorrect wiring
will damage the equipment).
CAUTION
Use shielded wires for inter-unit control wiring and
ground the shield on both sides. (Fig. 7-25)
Otherwise misoperation because of electrical noise
may occur.
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.
Shielded wire
Ground
Ground
Fig. 7-25
U1
U2
U1
U2
1
2
: Ground (earth)
Outdoor unit
Indoor unit
No. 1
1
2
Remote
controller
Inter-unit
control
wiring
Wire joint
07-115 SSHP_II 5/7/07 4:00 PM Page 78