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20
English
When implementing group control
•
When using as a pair unit or as a master unit for simultaneous multiple unit operation, you may carry out
simultaneous start/stop (group) control up to 16 units with the remote controller.
(Refer to Fig. 28)
•
In this case, all the indoor units in the group will operate in accordance with the group control remote controller.
•
The thermistor reading of room temperature is effective only for the indoor unit connected to the remote con-
troller.
Wiring Method
(1)
Remove the control box cover. (Refer to “5. INDOOR UNIT INSTALLATION”.)
(2)
Lay crossover between the terminals (P1, P2) inside the control box for the remote controller. (There is no
polarity.)
(Refer to Fig. 29)
NOTE
•
Terminal numbers of outdoor and indoor units must match.
Outdoor unit 1
Outdoor unit 2
Outdoor unit 16
Indoor unit 1
Indoor unit
(slave)
Indoor unit 2
(Master)
Group control remote controller
Indoor unit 16
Fig. 28
P
1
P
2
P
1
P
2
P
1
P
2
1 2 3
1 2 3
NOTE)
Main power supply
Outdoor unit
Indoor unit
Remote
controller
(Optional
accessories)
Remote
controller
(Optional
accessories)
2 remote controllers control
Earth leakage
circuit breaker
Outdoor unit
Indoor unit
(slave)
Indoor unit
(Master)
Remote
controller 2
Remote
controller 1
Fig. 29
4PEN494115-1A.book Page 20 Tuesday, October 3, 2017 10:51 AM