10
English
3. When including BS unit
[ PRECAUTIONS ]
1. A single switch can be used to supply power to units on the
same system. However, branch switches and branch circuit
breakers must be selected carefully.
2. Do not ground the equipment on gas pipes, water pipes or
lightning rods, or cross ground with telephones. Improper
grounding could result in electric shock.
9-3
CONTROL BY 2 REMOTE CONTROLLERS
(Controlling 1 indoor unit by 2 remote
controllers)
• For control with 2 remote controllers, set one remote
controller 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 lid.
(2)
Carry out additional wiring from the remote controller 2
(Sub) to the terminals (P1•P2) for remote controller wiring
on the terminal block (X1M) in the control box.
9-4
EXTERNAL REMOTE CONTROL (FORCED
OFF AND ON/OFF OPERATION)
(1) Wire specifications and how to perform wiring
• Connect the input from outside to terminals T1 and T2 of
the terminal block for remote controller.
(2) Actuation
• The Table 5 explains FORCED OFF and ON/OFF
OPERATIONS in response to Input A.
Table 5
(3) How to select FORCED OFF and ON/OFF OPERATION
• Turn the power on and then use the remote controller to
select operation.
9-5 CENTRALIZED CONTROL
• For centralized control, it is necessary to designate the group
No. For details, refer to the manual of each optional controller
for centralized control.
10. FIELD SETTING
After turn 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 table indicate 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
parenthesis ( ).
• In case of remote control, for changeover of input to
FORCED OFF or to ON/OFF OPERATION.
[1] Enter into the field setting mode with the remote controller.
[2] Select Mode No. “12”.
[3] Set the FIRST CODE No. to “1”.
[4-1] For FORCE OFF, set the SECOND CODE No. to “01”.
[4-2] For ON/OFF OPERATION, set the SECOND CODE No.
to “02”.
(It is set to FORCED OFF when shipped from the factory.)
• Ask your customer to keep the instruction attached to the
remote controller together with the operation manual.
• Do not carry out setting other than those shown in the table.
IN/D
OUT/D
F1 F2 F1 F2
IN/D
OUT/D
F1 F2 F1 F2
L N
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
BS unit
No. 3
System
Outdoor unit
Indoor unit A
Most
downstream
indoor unit
Power
supply
220-240V
1
50Hz
Power
supply
220-240V
1
50Hz
Control box
Control box
IN/D
OUT/D
F1 F2 F1 F2
BS unit
Control box
L N
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N
L N
Wire specification
Sheathed vinyl cord or cable (2 wire)
Gauge
0.75 - 1.25 mm
2
Length
Max. 100 m
External terminal
Contact that can ensure the minimum
applicable load of 15 V DC, 1 mA.
FORCED OFF
ON/OFF OPERATION
Input ON stops operation (impossible by
remote controllers).
Input OFF
→
ON turns
ON unit.
Input OFF enables control by remote
controller.
Input ON
→
OFF turns
OFF unit.
4PEN408655-1B_2016_02.book Page 10 Friday, February 19, 2016 1:33 PM
