18
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. 27 )
•
In this case, all the indoor units in the group will operate in accordance with the group control remote controller.
•
The body thermo is effective only for the indoor unit to which the remote controller is connected.
Wiring Method
(1)
Remove the control box lid. (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. 26 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”.
MAIN/SUB CHANGEOVER
•
If BRC1E model remote controller is used, see the manual attached to the remote controller.
If the remote controller is a wired one, change the switch setting as follows:
(1)
Insert a flat screwdriver into the clearance between the upper case and the concave of the lower case and,
remove the upper case. (2 places) (Printed circuit board is attached to the upper part of the remote con-
troller.)
(Refer to Fig. 29)
(2)
Turn the
main/sub changeover
switch on one of the two remote controller printed circuit boards to “S”.
(Leave the switch of the other remote controller set to “M”.)
(Refer to Fig. 30)
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. 27
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
Fig. 28
Outdoor unit
Indoor unit
(slave)
Indoor unit
(Master)
Remote
controller 2
Remote
controller 1
3P184443-9J_FM6.book Page 18 Wednesday, December 14, 2011 10:29 AM
