Address Setting For Signal Amplifi Ers; Indoor Unit Address Setting; Indoor Units - Fujitsu AJYA36LALH Installation Manual

7. 5. Address setting for signal amplifi ers
7. 5. 1. Address setting for signal amplifi ers
When using signal amplifi ers, the address for signal amplifi ers must be set.
The address for signal amplifi ers can be set automatically from 1 outdoor unit (master
unit) on the network.
Refer to "Fig. Wiring example for automatic address setting" (7.6.1 chapter) for the wir-
ing example.
(For manual setting of address, refer to the signal amplifi er installation manual.)
7. 5. 2. Automatic address setting for signal amplifi ers
When setting the address of the signal amplifi er, please use the factory setting. (See the
installation manual of the signal amplifi er)
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 PC board
to confi gure settings according to the procedures below.
1: FUNCTION Setting
First 2 digits Last 2 digits
MODE/EXIT
SELECT
SELECT
ENTER
Automatic address setting for
SELECT
ENTER
ENTER
MODE/EXIT
End
(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.)
signal amplifi ers
Press the "SELECT" button until
"10" is displayed.
Press the "ENTER" button for
more than 3 seconds.
Setting is complete when the
number of units is displayed
7. 6.

Indoor unit address setting

7. 6. 1. Indoor unit address setting
Address must be set for the indoor unit.
Manual setting → • When setting with the switch inside the indoor unit, refer to
the indoor unit operating manual.
• When setting with a remote control, refer to the remote
control operating manual.
Automatic setting → • Check that the wiring is as shown in the fi gure below.
Operate using the outdoor master unit of each refrigerant
system.
Fig. Wiring example for automatic address setting
(1) Signal amplifi er wiring example
(2)(3)(4) Indoor unit wiring example
(Connect the indoor and outdoor units of the same refrigerant system as shown
below.)
Refrigerant system1
Master unit
Refrigerant system2
Master unit
Signal amplifi er
Refrigerant system3
Master unit
The automatic address function can be used for a maximum of 9 indoor units
installed to the same refrigerant system. When network is connected to other
refrigerant systems, the automatic address function cannot be used.
The addresses of indoor units that have been configured automatically
cannot be assigned in the order when they are installed. (Refer to the indoor
unit installation manual for the procedures to check the addresses.)
7. 6. 2. Procedures to enable automatic address setting on

indoor units

Check that the rotary switch IU AD on the indoor unit PC board 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 PC board
to confi gure settings according to the procedures below.
1: FUNCTION Setting
First 2 digits Last 2 digits
MODE/EXIT
SELECT
SELECT
ENTER
1
Signal amplifi er
(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.)
En-16