English
11
(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 ‘‘ELECTRIC WIRING WORK’’)
(3)
Remove the electric parts box lid
(4) Add remote control 2 (slave) to the terminal block for
remote controller (P
1
, P
2
) in the electric parts box.
(There is no polarity.) (Refer to Fig. 6 and 8-3.)
9-4
COMPUTERISED CONTROL (FORCED OFF
AND ON/OFF OPERATION)
(1) Wire specifications and how to perform wiring
• Connect input from outside to terminals T1 and T2 of the
terminal block for remote controller.
(2) Actuation
• The following table explains FORCED OFF and ON/OFF
OPERATIONS in response to Input A.
(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 control-
lers for centralized control.
10. DECORATION PANEL INSTALLATION
Refer to the installation manual of the panels.
[ CAUTION ]
SWING FLAP MOTOR WIRING METHOD
1.
Connect two lead wires of swing flap motor mounted on the
decoration panel to the connectors of main body.
2.
Slide the insulation tube according to the arrow as shown in
fig. so that the connector can be completely covered.
3.
Bind the opening of insulation tube with the attached clamp
material.
11. FIELD SETTINGS
Make sure the electric parts box lids are closed on the
indoor and outdoor units.
Field setting must be made from the remote controller in
accordance with the installation condition.
• Setting can be made by changing the “Mode No.”, “FIRST
CODE NO.”, and “SECOND CODE NO.”.
• The “Field Settings” included with the remote control lists the
order of the settings and method of operation.
Setting is made in all units in a group. To set for individual
indoor units or to check the setting, use the mode Nos. (with
“2” in upper digit) in parentheses ( ).
• 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)
12. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when
an malfunction occurs. Check the malfunction code on the
liquid crystal display to identify the point of trouble. An expla-
nation of malfunction codes and the corresponding trouble is
provided in “CAUTION FOR SERVICING” of the outdoor unit.
If any of the items in Table 6 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 6
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 applica-
ble load of 15 V DC, 10 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.
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
F2
T1
T2
FORCED
OFF
Input A
Remote control display
Content
“Concentrated Manage-
ment” is lit up
• There is a short circuit at the FORCED
OFF terminals (T1, T2)
“U4” is lit up
“UH” is lit up
• The power on the outdoor unit is off.
• The outdoor unit has not been wired for
power supply.
• Incorrect wiring for the transmission
wiring and / or FORCED OFF wiring.
No display
• The power on the indoor unit is off.
• The indoor unit has not been wired for
power supply.
• Incorrect wiring for the remote control-
ler wiring, the transmission wiring and /
or the FORCED OFF wiring.
Clamp
(accessory)
SETTING
MODE NO.
SECOND
CODE NO.
FIELD SET
MODE
FIRST
CODE NO.
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