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Installation Manual
Automatic address setting
No central control (single refrigerant line):
go to Address setting procedure 1
Central control of 2 or more refrigerant lines:
go to Address setting procedure 2
Address setting procedure 1
1
Turn on indoor units first, and then turn on outdoor units.
2
About one minute after turning the power on, confirm that the 7-segment display on the interface P.C.
board of the outdoor unit indicates
.
3
Press SW 15 to start the automatic address setting.
(It may take up to 10 minutes (normally about 5 minutes) to complete one line’s setting.)
4
The 7-segment display indicates
.
After the indication,
starts flashing on the display.
When the flashing stops and
remains lit on the display, the setting is complete.
Interface P.C. board on the outdoor unit
(Example)
When controlling a single refrigerant line
centrally
When controlling 2 or more refrigerant
lines centrally
Address setting procedure
To procedure 1
To procedure 2
System wiring diagram
Outdoor
Outdoor
Central
controller
Central
controller
Indoor
Indoor
Indoor
Indoor
Remote
controller
Remote
controller
Remote
controller
Outdoor
Indoor
Remote
controller
Outdoor
Central
controller
Indoor
Indoor
Indoor
Remote
controller
Remote
controller
U. 1. L08 (U. 1. flash)
Auto 1
Æ
Auto 2
Æ
Auto 3
U. 1. - - - (U. 1. flash)
U. 1. - - - (U. 1. light)
3
2, 4
D600 D601 D602 D603 D604
SW04
SW05
SW15
SW01
SW02
SW03
REQUIREMENT
• When 2 or more refrigerant lines are controlled as a group, be sure to turn on all the indoor units in the group before
setting addresses.
• If you set the unit addresses of each line separately, each line’s header indoor unit is set separately. In that case,
the CODE No. “L03” (Indoor header unit overlap) is indicated as running starts. Change the group address to make
one unit the header unit using wired remote controller.
Address setting procedure 2
1
Set a system address for each system using SW 13 and 14 on the interface P.C. board on the outdoor unit
of each system.
(Factory default: Address 1)
NOTE
Be sure to set a unique address on each system. Do not use a same address as another system (refrigerant line) or a
custom side.
Interface P.C. board on the outdoor unit
(Example)
Controlling 2 or more refrigerant lines as a group
System wiring diagram
Outdoor
Indoor
Remote
controller
Indoor
Indoor
Indoor
Outdoor
(Group control)
SW06
SW07
SW09
SW10
SW11
SW12
SW13
SW14
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
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