66
Outdoor Unit
Automatic Addressing
• The address of indoor units would be set by auto
addressing
1) Wait for 3 minutes after applying power supply
(main and sub outdoor unit, indoor unit).
2) Press the switch of the outdoor unit (SW02V) for 5
seconds.
3) A "88" is indicated on 7-segment LED of the out-
door unit PCB.
4) For completing addressing, 2~7 minutes are
required depending on numbers of indoor unit con-
nection set.
5) Numbers of indoor unit connection set whose
addressing is completed are indicated for 30sec-
onds on 7-segment LED of the outdoor unit PCB.
6) After completing addressing, address of each
indoor unit is indicated on the wired remote control
display window. (CH01, CH02, CH03, .............
CH06: Indicated as numbers of indoor unit connec-
tion set.)
SW01B
(DIP S/W)
SW02B
(DIP S/W)
7 - Segment
SW02V
Auto addressing
CAUTION
- In replacement of the indoor unit PCB, always perform auto address setting again.
If power supply is not applied to the indoor unit, operation error occurs.
Auto addressing is only possible on the main PCB
Auto addressing has to be performed after 3 minutes to improve communication.
◆
The Procedure of Automatic Addressing
• Auto addressing setting end
Numbers of indoor unit connection set whose
addressing is completed are indicated for 30seconds
on 7-segment LED after completing setting
Indoor address number is displayed on wired remote control or
indoor unit display window. It is not an error message, will
disappeared when on/off button is pressed on remote control
ex) Display of 01, 02, ..., 15 means connection of 15 indoor
units and auto addressing is completed normally.
Auto addressing start
Waiting 3 minutes
Power On
Press SW02V for 5 sec.
7-segment LED = 88
Don't Press SW02V
Waiting about 2~7 minutes
7-segment LED
OK
YES
NO
Check the connections
of communication line
= 88
Electrical Wiring
Summary of Contents for ARUB290DT2
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