17
English
9-6 FOR CONTROL WITH 2 REMOTE CONTROL-
LERS (TO CONTROL 1 INDOOR UNIT WITH 2
REMOTE CONTROLLERS)
•
For control with 2 remote controllers, set one remote con-
troller as Main and the other remote controller as Sub.
< Changeover method from Main to Sub and vice versa >
Refer to the installation manual attached to the remote
controller.
< Wiring method >
(1)
Remove the control box cover.
(2)
Carry out additional wiring from the remote controller
2 (Sub) to the terminals (P1, P2) for remote controller
wiring on the terminal block (X2M) in the control box.
Terminal for remote
controller wiring (P1, P2)
No polarity
Remote
controller 2
(Sub)
Remote
controller 1
(Main)
Terminal block
(X2M)
< Caution >
•
When using the group control and the 2 remote con-
trollers control at the same time, connect the remote
controller 2 (Sub) to the indoor unit at the end of the
crossover wiring (the largest No.).
(Refer to Fig. 29)
Indoor unit 1
Indoor unit 2
Indoor unit
largest No.
Remote
controller 2
(Sub)
Crossover
wiring (Remote
controller)
Remote
controller 1
(Main)
Fig. 29
9-7 FOR CENTRALIZED CONTROL
•
When centralized equipment (such as centralized control-
ler) is used for control, it is required to set the group No. on
the remote controller.
For details, refer to the manuals attached to the centralized
equipment.
•
Connect the centralized equipment to the indoor unit con-
nected to the remote controller.
9-8 FOR REMOTE CONTROL (FORCE OFF OR ON /
OFF OPERATION)
(1)
Wiring method and specification
•
Remote control is available by connecting the external
input to the terminal T1 and T2 on the terminal block for
remote controller and transmission wiring (X2M).
F2 T1 T2
FORCED
OFF
Input A
Wiring
specification
Sheathed vinyl
cord or 2 core
cable
Wiring size
AWG 18-16
(0.75-1.25 mm
2
)
Wiring length
Max. 328 ft.
(100 m)
External
contact spec
Contact that can
make and break
the min. load of
DC 15 V · 1 mA
(2) Actuation
•
Input A of FORCED OFF and ON/OFF OPERATION
will be as the table shown below.
Input A = ON
Input A = OFF
In case of FORCED
OFF
Remote controller
prohibited
Remote controller
permitted
In case of ON/OFF
OPERATION
Operation
Stop
(3) How to choose FORCED OFF or ON/OFF OPERATION
•
For choosing FORCED OFF or ON/OFF OPERATION,
setting by remote controller is required.
(Refer to
10. FIELD SETTING
)
10. FIELD SETTING
CAUTION
Before carrying out field setting, check the items mentioned in
(1) Items to be checked after the installation work is com-
pleted
on page 3.
•
Check if all the installation and piping works for the air con-
ditioner are completed.
•
Check that the outside panel and piping cover of the indoor
and outdoor units are closed.
< FIELD SETTING >
After turning on the power supply, carry out field setting
from the remote controller according to the installation
state.
•
Carry out setting at 3 places, “Mode No.”, “FIRST CODE
No.” and “SECOND CODE No.”.
The settings shown by
in the following tables indi-
cate those when shipped from the factory.
•
The method of setting procedure and operation is shown in
the installation manual attached to the remote controller.
(Note) Though setting of “Mode No.” is carried out as a
group, if you intend to carry out individual setting by
each indoor unit or confirmation after setting, carry
out setting with the Mode No. shown in the paren-
thesis ( ).
•
Ask your customer to keep the manual attached to the re-
mote controller together with the operation manual.
•
Do not carry out settings other than those shown in the table.
•
Settings are performed by selecting “Mode No.”, “FIRST
CODE No.”, and “SECOND CODE No.”.
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