18
English
When implementing group control
•
When using a pair type system as a master system for simultaneous multiple unit operation, you may carry
out simultaneous start/stop (group) control up to 16 units with 1 remote controller. (All indoor units operate
according to the remote controller)
•
The thermistor reading of room temperature is effective only for the indoor unit connected to the remote
controller.
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. 27 and Table 4)
NOTE
•
Terminal numbers of outdoor and indoor units must agree.
Two remote controllers control (Controlling 1 indoor unit by 2 remote controllers)
•
When using 2 remote controllers, one must be set to “MAIN” and the other to “SUB”.
Outdoor unit 1
Outdoor unit 2
Outdoor unit 16
Indoor unit
(slave)
Indoor unit 2
(Master)
Group control remote controller
Indoor unit 16
Indoor unit 1
(Master)
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 1
(Optional
accessories)
Remote
controller 2
(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. 28
4PEN468968-1C.book Page 18 Friday, March 24, 2017 1:30 PM