Daikin FXTQ12PAVJU Installation Manual page 12

• Outside the air conditioners, separate the low voltage wiring
(remote controller and transmission wiring) and high voltage
wiring (ground wire and power supply wiring) by at least 5 in.
so that they do not pass through the same place together.
Proximity may cause electrical interference, malfunctions,
and breakage.
[ PRECAUTIONS ]
• Refer to the "REMOTE CONTROLLER INSTALLATION
MANUAL" on how to install and lay the wiring for the remote
controller.
• See also the "Wiring Diagram Label" located inside the unit's
fan housing.
• Connect the remote controller and transmission wiring their
respective terminal blocks.
CAUTION
• Do not, under any circumstances, connect the power supply
wiring to the remote controller or transmission wiring termi-
nal block. Doing so can destroy the entire system.
[ WIRING EXAMPLE ]
No. 1 system When using 1 remote controller for
1 indoor unit
Power supply Power supply
single phase single phase
Outdoor unit
60Hz 208/230V 60Hz 208/230V
L1 L2 L1 L2
IN/D OUT/D
F
F F F
1 1
2 2
L1 L2 P P F F T T L1
1 2 1 2 1 2
Indoor unit A Indoor unit B
P P
1 2
Remote controller
(option)
No. 2 system For group control or use with 2 remote
controllers
Power supply
single phase
Outdoor unit Note) There is not need to set the indoor unit
60Hz 208/230V
L1 L2
IN/D OUT/D
F F F F
1 2 1 2
L1 L2 P P F F T T L1 L2
1 2 1 2 1 2
Indoor
unit A
P P
1 2
Case of group control
Remote controller
(option)
11
Power supply
single phase
60Hz 208/230V
L1 L2
L2 P P F F T T L1 L2 P P F F T T
1 2 1 2 1
1 2 1 2 1 2
Most
downstream
Indoor unit
P P P P
1 2 1 2
Remote controller Remote controller
(option) (option)
address when using group control.
(It is automatically set when the power
is turned on.)
Most down-
P P F F T T L1 L2 P P F F T T stream
1 2 1 2 1 2 1 2 1 2 1 2
indoor unit
Indoor unit B
Remote
P P P P
1 2 1 2
controller
(option)
(MAIN) (SUB)
For use with 2
remote controllers
No. 3 system When including BS unit
Power supply
single phase
60Hz 208/230V
L1 L2
Indoor unit A
9-2 CONTROL BY 2 REMOTE CONTROLLERS (Con-
trolling 1 indoor unit by 2 remote controllers)
• When using 2 remote controllers, one must be set to "MAIN"
and the other to "SUB".
• If the remote controller to be used is Model BRC1E71, read
the installation manual supplied with the remote controller.
MAIN/SUB CHANGEOVER
(1) Insert a screwdriver into the recess between the
upper and lower part of remote controller and, work-
ing from the 2 positions, pry off the upper part.
The remote controller PC board is attached to the upper
part of remote controller.
2
Insert the screwdriver here and gently work
off the upper part of remote controller.
(2) Turn the MAIN/SUB changeover switch on one of the
two remote controller PC boards to "S".
(Leave the switch of the other remote controller set to "M".)
(Factory setting)
Only one remote controller
needs to be changed
if factory settings have
remained untouched.
Outdoor unit
BS unit
IN/D OUT/D OUT/D IN/D
F F F F F F F F
1 1 2 1 1 2
2 2
L1 L2 P P F F T T
1 2 1 2 1 2
P P
1 2
Remote controller
(option)
Upper part of
remote controller
Lower part of
remote controller
S S
M
Remote controller
PC board
S
M
English