70
10-8-3. Setting the outdoor unit system addresses
For basic wiring diagram 2 (Set the system addresses: 1, 2, 3...)
ON
1
2
0
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
System address
DIP switch
OFF
ON
10s
20s
3 ~ 5HP
Outdoor unit control PCB
Fig. 10-7
System address No.
System address 10s digit
(2P DIP switch)
System address 1s place
(Rotary switch)
0
Automatic address
(Setting at shipment = “0”)
1
(If outdoor unit is No. 1)
“0” setting
Both OFF
Both OFF
Both OFF
10s digit ON
20s digit ON
10s digit and 20s digit ON
“1” setting
“2” setting
“1” setting
“1” setting
“0” setting
2
(If outdoor unit is No. 2)
11
(If outdoor unit is No. 11)
21
(If outdoor unit is No. 21)
30
(If outdoor unit is No. 30)
ON
ON
OFF
1
2
ON
ON
OFF
1
2
ON
ON
OFF
1
2
ON
ON
OFF
1
2
ON
ON
OFF
1
2
ON
ON
OFF
1
2
10-8-4. Automatic address setting using the remote controller
When the outdoor unit shown in 10-8-2. Basic wiring diagram 2 is used for group control of multiple units , use
the remote controller to perform automatic address setting. (During automatic address setting, “SETTING” blinks
on the remote controller display.)
●
Press the remote controller timer time
button and
button simultaneously. (Hold for 4 seconds or longer.)
Then press the
button. (Item code “AA” appears: All systems automatic address setting.)
(Automatic address setting is performed in sequence for all outdoor units from No. 1 to No. 30. When automatic
address setting is completed, the units return to normal stopped status.)
●
To select each refrigerant system individually and perform automatic address setting, press the remote controller
timer time
button and
button simultaneously. (Hold for 4 seconds or longer.) Then press either the tem-
perature
setting or button.
(Item code “A1” appears: Individual system automatic address setting)
Use either the
or
button to select the outdoor unit to perform automatic address setting for. (R.C.1
is displayed.) Then press the
button. (Automatic address setting is performed for refrigerant system 1.)
When automatic address setting for system 1 is completed, the system returns to normal stopped status.
Again press the remote controller timer time
button and the
button simultaneously. Then in the same
way as above (use the
button to display “R.C.2”), select the next system and perform automatic address
setting.
System address rotary switch
System address 10s digit and 20s digit
DIP switch
Automatic address
button (black)
Terminal plug (black)
04-393 DC INV Tech p 64-110 12/13/04 11:35 AM Page 70