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Address Setup
16
Cautions for installation
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Central control of 2 or more refrigerant lines:
(Example)
Address setting
procedure
System wiring
diagram
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
After the indication, U. 1. - - - (U. 1. flash) starts flashing on the display.
When the flashing stops and U. 1. - - - (U. 1. light) remain lit on the display, the setting is complete.
Interface P.C. board on the header outdoor unit
5
When using a central control, connect a relay connector between [U1, U2] and [U3, U4] terminals.
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.
: l
When controlling a single refrigerant line
centrally
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Outdoor
Outdoor
Central
remote
controller
Indoor
Indoor
Indoor
Remote
Remote
Remote
controller
controller
controller
SW05
SW04
D600 D601 D602 D603 D604
SW02
SW01
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go to Address setting procedure 2
When controlling 2 or more refrigerant lines
e r
1
Central
remote
controller
Indoor
controller
Auto 2
Auto 3 .
SW15
3
2,4
SW03
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centrally
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2
Outdoor
Outdoor
Indoor
Indoor
Indoor
Remote
Remote
Remote
controller
controller
1
Central
remote
controller
Indoor
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