English
22
• 2 remote controllers control
: 2 remote controllers control 1 indoor unit.
(Refer to Fig. 36)
NOTE
1.
Terminal numbers of outdoor and indoor units must be matched.
2-1.
Connect the remote controller only to the master unit.
2-2.
The remote controller needs to be wired only to the master unit; it does not need to be connected to the
slave units through transition wiring. (Do not connect transition wiring to the slave units.)
2-3.
The indoor temperature sensor is effective only for indoor units to which the remote controller is con-
nected.
2-4.
The length of wiring between the indoor unit and the outdoor unit varies depending on the connected
model, the number of connected units, and the maximum piping length.
For details, refer to the technical documents.
NOTE
•
Terminal numbers of outdoor and indoor units must be matched.
P1 P2
1 2 3
P1 P2
1 2 3
Power supply
220 - 240V
~
50Hz
Earth leakage
breaker
Outdoor unit
NOTE 1)
Indoor unit
Remote controller
(Optional accessory)
Pair type
Fig. 31
1 2 3
P1 P2
P1 P2
P1 P2
1 2 3
1 2 3
Outdoor unit
Indoor unit (Master)
Indoor unit (slave)
Remote
controller
(Optional accessory)
Simultaneous operation system
Earth leakage
breaker
NOTE 1)
Power supply
220 - 240V
~
50Hz
NOTE 2)
Fig. 32
P1 P2
1 2 3
1 2 3
1 2 3
P1 P2
P1 P2
P1 P2
1 2 3
1 2 3
1 2 3
Outdoor unit
Indoor unit
(Master)
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Group control remote controller
(Optional accessory)
Earth leakage
breaker
Earth leakage
breaker
Earth leakage
breaker
NOTE)
NOTE)
NOTE)
Power supply
220 - 240V
~
50Hz
Power supply
220 - 240V
~
50Hz
Power supply
220 - 240V
~
50Hz
Group control
Fig. 33
01_EN_3P249378-6L.fm Page 22 Sunday, September 30, 2012 2:30 PM