English 22
<< No. 3 system: When BS unit is used >>
WARNING
Be sure to install an earth leakage breaker.
Failure to do so may cause electric shocks and a fire.
8-6 FOR CONTROL WITH 2 REMOTE CONTROLLERS (TO CONTROL 1 INDOOR UNIT WITH
2 REMOTE CONTROLLERS)
• For control with 2 remote controllers, set one remote controller as Main and the other remote controller as
Sub.
<Changeover method from Main to Sub and vice versa>
Refer to the installation manual attached to the remote controller.
<Wiring method>
(1) Remove the control box lid according to the wiring connection method.
(2) Carry out additional wiring from the remote controller 2 (Sub) to the terminals (P
1
, P
2
) for remote controller
wiring on the terminal block (X1M) in the control box.
< CAUTION >
When using the group control and the 2 remote controllers control at the same time, connect the remote con-
troller 2 (Sub) to the indoor unit at the end of the crossover wiring (the largest No.). (Refer to Fig. 34)
Outdoor unit
BS unit
LN
Indoor unit A
Remote controller
(option)
F2
F1
F2
F1
F2
F1
F2
F1
IN/D
IN/D
OUT/D OUT/D
P2P1 F2
N
F1
L
T1T2
P1P2
Power supply
220-240V
~
50Hz
Remote controller 1
(Main)
Remote controller 2
(Sub)
Terminal for remote
controller wiring
Fig. 33
P1 P2
01_EN_3P249378-8N.fm Page 22 Saturday, September 29, 2012 3:02 PM
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