01-07
SWITCH POSITION
SW107 SW108 SW109
MODE
/EXIT
SELECT ENTER
LED101
(GREEN)
POWER
MODE
LED105 LED104
LED102
(RED)
ERROR
Push button switch
7 Segment
LED Lamp
Outdoor unit printed circuit board
Check that the rotary switch IU AD on the indoor unit Main PCB is set to “00”.If it is not
set to “00”, it means the address of that device is not set. (Factory default is “00”).
Turn on the power of the indoor and outdoor units.
When the system is normal, nothing will be displayed on the 7 segment display.
When ERROR is displayed, inspect the units.
Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the outdoor unit Main PCB
to configure settings according to the procedures below .
1: FUNCTION Setting
First 2 digits Last 2 digits
(the display when the
main power is turned on)
(When [F4] to [F9] are displayed,
continue to press the “SELECT”
button until [F3] is displayed.)
MODE/EXIT
SELECT
SELECT
ENTER
1-2-4 Automatic address setting for Indoor units
It may take about 10 minutes for completing
the processing.
End
First 2 digits
Last 2 digits
Press the “SELECT” button until
“11” is displayed.
Press the “ENTER” button for more
than 3 seconds.
Automatic address setting
for indoor units
The number of indoor units with normal set-
tings will be displayed at the first 2 digits of
the 7 segment display. The number of indoor
units with error will be displayed at the last 2
digits.
NOTE) After the “ENTER” button is pressed, the
end processing will occur for about 30 seconds.
During this period, the 7 segment will blink.
ENTER
SELECT
ENTER
Error
Found
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