EDUS39-600-F2_a Installation
FXDQ-M 29
10-2 CONTROL BY 2 REMOTE CONTROLLERS
(Controlling 1 indoor unit by 2 remote con-
trollers)
• 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, 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) 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 Section 9, ELECTRICAL 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.
[ PRECAUTIONS ]
• Crossover wiring is needed when using group control and
2 remote controllers at the same time.
• Connect the indoor unit at the end of the crossover wire
(P
1
, P
2
) to remote controller 2 (SUB).
10-3 REMOTE CONTROL (FORCED OFF AND ON/
OFF OPERATION)
• Connect input lines from the outside to the terminals T
1
and T
2
on the terminal block (6P) for remote controller
to achieve remote control capability.
•See
11. FIELD SETTING AND TEST RUN
for details on
operation.
10-4 CENTRALIZED CONTROL
• For centralized control, it is necessary to designate the
Group No. For details, refer to the manual of each optional
controllers for centralized control.
11. FIELD SETTING AND TEST RUN
Field settings may have to be performed using the remote
controller, depending on the type of installation.
• Make sure the control box lids are closed on the indoor and
outdoor units.
• Depending on the type of installation, make the field set-
tings from the remote controller after the power is turned
on, following the FIELD SETTINGS manual that came with
the remote controller.
• The settings can select Mode No., No., FIRST CODE
NO. and SECOND CODE NO.
Terminal block Tightening torque (ft · lbf)
Remote controller / transmission wiring
terminal block (6P)
0.58 – 0.72
Power supply wiring terminal block (3P) 0.87 – 1.06
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
Wire specification
2-conductor, stranded copper, non-shielded,
PVC or vinyl jacket
Gauge AWG18
Length Max. 328 ft.
External terminal
Contact that can ensure the minimum appli-
cable load of 15 V DC, 1 mA.
Indoor unit 1 Indoor unit 2
Max. No. of
indoor units
Crossover wire (P
1
.
P
2)
Remote controller 1
(MAIN)
Remote controller 2
(SUB)
Input A
1
P
2
P
1
F
2
F
1
T
2
T
FORCED
OFF
REMOTE
CONTRL
TRANSMISSION
WIRING
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