
10 English
(2) Actuation
• The following table explains FORCED OFF and ON/OFF
OPERATION in response to Input A.
(3) How to select FORCED OFF and ON/OFF OPERATION
• See “11. FIELD SETTING”
10-5 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.
11. FIELD SETTING
11-1 How to set
(1) Make sure the electric parts box lids are closed on the
indoor and outdoor units.
(2) After the power is turned on, following the operation
manual and designate the master remote controller
using the remote controller.
• When setting the unit, ask the customer which remote
controller he wants to designate as the master remote
controller.
• See also the operation manual included with the outdoor
unit.
(3) 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.”.
• 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. Lastly, make sure the customer
keeps the “FIELD SETTING” manual, along with the
operation manual, in a safe place.
11-2 How to select FORCED OFF and ON/OFF
OPERATION
• 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)
11-3 Setting air filter sign
• Remote controllers are equiped with liquid crystal display
air filter signs to display the time to clean air filters.
• Change the SECOND CODE NO. according to Table 4
depending on the amount of dirt or dust in the room.
(SECOND CODE NO. is factory set to “01” for filter con-
tamination-light)
Table 4
11-4 Setting air discharge temperature
• Change the SECOND CODE NO. according to Table 5
depending on user’s need.
(SECOND CODE NO. is set to “06” for cooling “08” for heat-
ing at factory set)
Table 5
NOTE
Air discharge temperature is not displayed on remote controller.
12. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when a
malfunction occurs. Check the malfunction code on the liquid
crystal display to identify the point of trouble. An explanation
of malfunction codes and the corresponding trouble is pro-
vided in installation manual of the outdoor unit.
If any of the items in Table 6 are displayed, there may be a prob-
lem with the wiring or power supply, so check the wiring again.
Table 6
FORCED OFF ON/OFF OPERATION
Input A “ON” stops operation (impossible by
remote controllers.)
Input A OFF → ON
turns ON unit.
Input A OFF enables control by remote con-
troller.
Input A ON → OFF
turns OFF unit.
SETTING
Mode No.
SECOND
CODE NO.
FIELD SET
MODE
FIRST
CODE NO.
Setting
Spacing time of
display air filter
sign (long life type)
Mode No.
FIRST
CODE
NO.
SECOND
CODE
NO.
Air filter con-
tamination
-light
Approx. 2500 hrs
10 (20) 0
01
Air filter con-
tamination
-heavy
Approx. 1250 hrs 02
for cooling for heating
Mode No. 14 (24) 14 (24)
FIRST CODE NO. 3 4
SECOND
CODE NO.
01 13°C18°C
02 14°C19°C
03 15°C20°C
04 16°C21°C
05 17°C22°C
06 18°C23°C
07 19°C24°C
08 20°C25°C
09 21°C26°C
10 22°C27°C
11 23°C28°C
12 24°C29°C
13 25°C30°C
Remote control display Content
“ ” is lit up
• There is a short circuit at the
FORCED OFF terminals (T1, T2)
“U3” is lit up • Test operation is not completed.
“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 transmis-
sion wire and / or FORCED OFF
wire.
• The transmission wire is cut.
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
controller wire, the transmission
wire and / or the FORCED OFF
wire.
• The remote controller wire is cut.
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