23
English
When implementing group control
•
When using as a pair unit or as a master unit for simultaneous operation system, you may carry out simul-
taneous start/stop (group) control up to 16 units with the remote controller.
(Refer to Fig. 34)
•
In this case, all the indoor units in the group will operate in accordance with the group control remote con-
troller.
•
Select a remote controller which matches as many of the functions (airflow direction, etc.) in the group as
possible.
Wiring Method
(1)
Remove the control box lid. (Refer to ‘‘
9. HOW TO CONNECT WIRINGS AND WIRING EXAMPLE
’’.)
(2)
Connect crossover wiring between the terminals (P1, P2) inside the control box for the remote controller.
(There is no polarity.)
(Refer to Fig. 33 and Table 3)
Fig. 34
Outdoor unit 1
Outdoor unit 2
Outdoor unit 16
Indoor unit 1
Group control remote contoller
Indoor unit 2
(Slave)
Indoor unit 2
(Master)
Indoor unit 16
Fig. 35
Terminal for remote controller wiring (P1, P2)
Crossover wiring
Remote
controller
Transmission
wiring
Remote
controller
Transmission
wiring
Indoor unit 1
Indoor unit 2 (Master)
Terminal block
(X1M)
Terminal block
(X1M)
to next unit
F2
P2 F1
P1
P2
P1
F1 F2
01_EN_3P249378-6L.fm Page 23 Sunday, September 30, 2012 2:30 PM