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7-4-3. Address Setup Procedure
No central control: go to Address setting procedure 1
Central control of 2 or more refrigerant lines: go to Address setting procedure 2
(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
Indoor
Indoor
Indoor
Indoor
Outdoor
Central
remote
controller
Central
remote
controller
Remote
controller
Remote
controller
Remote
controller
Outdoor
Indoor
Indoor
Indoor
Indoor
Outdoor
Central
remote
controller
Remote
controller
Remote
controller
Remote
controller
SW04
SW05 SW15
SW01
SW02 SW03
D600 D601 D602 D603
D604
3
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 header outdoor unit indicates U. 1. L08 (U. 1. flash) .
3 Push 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 Auto 1
→→
→→
→ Auto 2
→→
→→
→ Auto 3 .
After the indication, U. 1. - - - (U. 1. flash) starts flashing on the display.
When the flashing stops and U. 1. - - - (U. 1. light) emain lit on the display, the setting is
complete.
Interface P.C. board on the header outdoor unit
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.
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