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8. FUNCTION SETTING
CAUTION
• Confirm whether the wiring work for outdoor unit has been finished.
• Confirm whether the cover for electric control box on the outdoor unit is close.
8.1. Turning on the power
(1) Check the remote controller wiring and DIP switch settings.
(2) Install the front case.
When installing the front case, connect the connector to the front case.
(3) Check the indoor and outdoor unit wiring and circuit board switch settings, and then
turn on the indoor and outdoor units. After “9C” has flashed on the set temperature
display for several seconds, the clock display will appear in the center of the remote
controller display.
The clock display will appear in the center of the remote controller display.
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8.2. Function setting
This procedure changes the function settings used to control the indoor unit according to
the installation conditions. Incorrect settings can cause the indoor unit to malfunction. This
procedure should be performed by authorized installation or service personnel only.
Perform the “FUNCTION SETTING” according to the installation conditions using the remote
controller. (Refer to the indoor unit installation manual for details on the function numbers
and setting values.)
(1) Press the SET TEMP. buttons (
) ( ) and FAN button simultaneously for more than
5 seconds to enter the function setting mode.
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(2) Press the SET BACK button to select the indoor unit number.
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Unit number of INDOOR UNIT
SET BACK
(3) Press the SET TIME (
) buttons to select the function number.
Function number
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(4) Press the SET TEMP. buttons (
) ( ) to select the setting value.
The display flashes as shown to the right during setting value selection.
Setting value
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(5) Press the TIMER SET button to confirm the setting.
Press the TIMER SET button for a few seconds until the setting value stops flashing.
If the setting value display changes or if “- -” is displayed when the flashing stops, the
setting value has not been set correctly.
(An invalid setting value may have been selected for the indoor unit.)
(6) Repeat steps 2 to 5 to perform additional settings.
Press the SET TEMP. buttons (
) ( ) and FAN button simultaneously again for
more than 5 seconds to cancel the function setting mode. In addition, the func-
tion setting mode will be automatically canceled after 1 minute if no operation is
performed.
(7) After completing the FUNCTION SETTING, be sure to turn off the power and turn it on
again.
CAUTION
• After turning off the power, wait 30 seconds or more before turning on it again. The
FUNCTION SETTING doesn’t become effective if it doesn’t do so.
•
Function Details
(1) Filter sign
The indoor unit has a sign to inform the user that it is time to clean the filter. Select the
time setting for the filter sign display interval in the table below according to the amount
of dust or debris in the room. If you do not wish the filter sign to be displayed, select the
setting value for “No indication”.
(
♦... Factory setting)
Function
Number
Setting
Value
Setting Description
11
00
Standard (2500 hours)
01
Long interval (5000 hours)
02
Short interval (1250 hours)
03
No indication
♦
(2) Cooling room temperature correction
Depending on the installed environment, the room temperature sensor may require a
correction.
The settings may be selected as shown in the table below.
(
♦... Factory setting)
Function
Number
Setting
Value
Setting Description
30
00
Standard
♦
01
Warmer control
02
Slightly lower control
03
Lower control
(3) Heating room temperature correction
Depending on the installed environment, the room temperature sensor
may require a
correction.
The settings may be changed as shown in the table below.
(
♦... Factory setting)
Function
Number
Setting
Value
Setting Description
31
00
Standard
♦
01
Warmer control
02
Slightly warmer control
03
Lower control
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