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u Checking according to dip switch setting
1. You can check the setting values of the Master outdoor unit from the 7 segment LED.
The dip switch setting should be changed when the power is OFF.
u Checking the setting of the Master unit
The number is sequentially appeared at the 7 segment in 5 seconds after applying the power. This
number represents the setting condition. (For example, represents R410A 30HP)
Master model code ' Slave1 model code ' Slave2 model code ' total capacity ' 2 ' 25 ' 190
1 ~255 : Master model code
1 ~255 : Slave1 model code
1 ~255 : Slave2 model code
1 ~255 : Slave3 model code
8~54HP(220V) : HP number(sum of master capacity and slave capacity)
* 8~80HP(460V)
No display : cooling only
25 : normal
190 : Model Type (ARUB***DT3), 170 : Model Type(ARUB***BT3)
Example) 30HP(ARUB***DT3), R410A
194 ' 193 ' 30 ' 2 ' 25 ' 190
CAUTION
Product may not properly operate if the relevant DIP switch is not properly setup.
Model Code (220V)
Model Code
Unit (HP)
190
8
191
10
192
12
193
14
194
16
195
18
Model Code (460V)
Model Code
Unit (HP)
190
8
191
10
192
12
193
14
194
16
195
18
196
20
}
Refer to table code
2 : heat pump / heat recovery
Unit
Ref.
Master &
R410A
Slave
Unit
Ref.
Master &
R410A
Slave
Electrical Wiring
Installation Manual 77
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