¢ Automatic address setting of indoor unit
CAUTION
• This function can be used for a maximum of 64 indoor units installed within a same refrigerant
system. However, a maximum of 48 indoor units can be installed within the same refrigerant
system.
• This function cannot be used for indoor units being connected to other refrigerant systems via
the network. For details, refer to "Transmission cable" in Chapter 6. SYSTEM DESIGN on page
06-55
• When setting the addresses automatically, make sure that the position of following switches are
set at “0” (Factory setting).
– IU AD x10 (SW6)
– IU AD x1 (SW7)
– REF AD x10 (SW8)
– REF AD x1 (SW9)
• When an indoor unit address is set up, a refrigerant circuit address is also set up at the same
time. (The refrigerant circuit address of an outdoor unit being connected within the same refrig-
erant system is set up.)
1. After verifying that the system is operating normally, press the MODE/EXIT button (SW107)
once.
LED105 LED104
LED105 LED104
2. Press the SELECT button (SW108) to display “F3” on LED104.
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1
: Do not set “F1” and “F9” usually since they are used for maintenance.
(The display of the LED104 changes each time the SELECT button is pressed.)
LED105 LED104LED105 LED104 LED105 LED104 LED105 LED104
*
1
*
1
Monitoring mode Setting mode Function mode
Error history mode
Do not set "F8". "F8" is for factory use only and is not for a service purpose.
3. When “F3” is displayed on the LED104, press the ENTER button (SW109). Indicator on the
LED105 flashes.
LED105 LED104
LED105 LED104
4. Press the SELECT button (SW108) to display “11” on the LED105.
LED105 LED104
LED105 LED104
5. When “11” is displayed on the LED105, hold down the ENTER button (SW109) for 3 seconds
or longer. (Unless it is held down for at least 3 seconds, the selection will not be confirmed.)
When the automatic address setting function is activated, the display changes to “run.”
LED105 LED104
LED105 LED104
1-5. Automatic address setting
- (07-59) - 1. System settings
FUNCTION
SETTINGS
FUNCTION
SETTINGS
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