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(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".)
9-4 COMPUTERISED 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 board. (remote controller to trans-
mission wiring)
F2
T1
T2
FORCED
OFF
Input A
(2) Actuation
• The following table explains FORCED OFF and ON/OFF OPERATIONS in response to Input A.
FORCED OFF
Input "ON" stops operation (impossible by remote controllers.)
Input OFF enables control by remote controller.
(3) How to select FORCED OFF and ON/OFF OPERATION
• Turn the power on and then use the remote
controller to select operation.
• Set the remote controller to the field set mode.
For details, refer to the "HOW TO SET IN THE
FIELD", in the remote controller manual.
• When in the field set mode, select mode
No. 12, then set the first code (switch) No. to
"1". Then set second code (position) No. to
"01" for FORCED OFF and "02" for ON/OFF
OPERATION. (FORCED OFF at factory set)
9-5 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.
10. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when an error occurs. Check the error code on the liq-
uid crystal display to identify the point of trouble. An explanation of error codes and the corresponding trou-
ble is provided in "CAUTION FOR SERVICING" of the indoor unit.
English
Only one remote controller needs
to be changed if factory settings
have remained untouched.
Wire specification
Gauge
Length
External terminal
SECOND
CODE NO.
FIRST
CODE NO.
S
S
(Factory setting)
M
S
M
Sheathed vinyl cord or cable (2 wire)
0.75 - 1.25 mm
Max. 100 m
Contact that can ensure the minimum applicable load of 15 V
DC, 10 mA.
ON/OFF OPERATION
Input OFF → ON turns ON unit.
Input ON → OFF turns OFF unit.
SETTING
Remote controller
PC board
2
MODE NO.
FIELD SET
MODE
14
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