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Installation Manual
7
Address Setting
On this unit, it is required to set the addresses of the indoor units before starting air conditioning.
Set the addresses following the steps below.
CAUTION
• Be sure to complete the electric wiring before setting the
addresses.
• If you turn on the outdoor unit before turning on the indoor units,
the CODE No. [E19] is indicated on the 7-segment display on the
interface P.C. board of the outdoor unit until the indoor units are
turned on. This is not a malfunction.
• It may take up to ten minutes (normally about five minutes) to
address one refrigerant line automatically.
• Settings on the outdoor unit are required for automatic addressing.
(Address setting is not started simply by turning on the power.)
• Running the unit is not required for address setting.
• The addresses can be set manually.
Automatic addressing: setting addresses using SW15 on the
interface P.C. board on the outdoor unit
Manual addressing:
setting addresses on the wired remote
controller.
* When setting an address manually, the wired remote controller
must temporarily be paired with an indoor unit one-to-one. (when
the system is organized for group operation and no Remote
controller)
REQUIREMENT
High voltage parts exist in the electrical control box.
If you set addresses on an outdoor unit, operate the unit through the cover of electrical control box, to avoid electric
shock.
Do not remove the cover of electrical control box.
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
EN-53
EN-54
