Daikin VRV III, Manual, Page: 201 / 455

Installation ED34-862
196 FXDQ-PB / FXDQ-NB
3PN09042-1A
No. 2 system For group control or use with 2 remote
controllers
No. 3 system When including BS unit
10-2 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”.
MAIN/SUB CHANGEOVER
(1) Insert a screwdriver into the recess between the
upper and lower part of remote controller and, working
from the 2 positions, pry off the upper part (2 loca-
tions).
The remote controller PC board is attached to 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”.)
Wiring Method (See ‘‘9. ELECTRIC WIRING WORK’’)
(3) Remove the control box lid.
(4) Add remote controller 2 (SUB) to the terminal block for
remote controller (P
1
, P
2
) in the control box.
(There is no polarity.)
Outdoor unit Note) There is not need to set the indoor unit
address when using group control.
(It is automatically set when the power
is turned on.)
Indoor
unit A
Indoor unit B
Most down-
stream
indoor unit
For use with 2
remote controllers
Case of group control
L N
Fig. 20
Remote controller Remote controller Remote controller
1
P
2
P
1
P
2
P
1
P
2
P
1
P P
2 1
F
2
N F L N L
1 2
F F
1 2
F F
1 2
T T
1
P P
2 1
F
2
F
1 2
T T N L
1
P P
2 1
F
2
F
1 2
T T
IN/D OUT/D
(option)
(option)
Power supply
single phase
50Hz 220-240V
Outdoor unit
BS unit
L N
Indoor unit A
Remote controller
(option)
Fig. 21
F F
1 2
F F
1 2
F F
1 2
F F
1 2
IN/D IN/D OUT/D OUT/D
1
P P
2 1
F
2
N F L
1 2
T T
1
P
2
P
Power supply
single phase
50Hz 220-240V
Upper part of
remote controller
Lower part of
remote controller
Insert the screwdriver here and gently work
off the upper part of remote controller.
Only one remote controller
needs to be changed
if factory settings have
remained untouched.
(Factory setting)
S
M
S
S
M
Remote controller
PC board
Remote controller wiring
terminal block
Remote
controller 2
(SUB)
Remote
controller 1
(MAIN)
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL TRANSMISSION
WIRING
12 English
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