Specifications

SiUS39-601 Field Setting
Test Operation 81
3.2 Field Setting from Outdoor Unit
3.2.1 Field Setting from Outdoor Unit

Setting by dip switches
The following field settings are made by dip switches on PC board.
Dipswitch
Setting item Description
No. Setting
DS1-1
ON
Cool / Heat select
Used to set cool / heat select by remote controller
equipped with outdoor unit.
OFF (Factory set)
DS1-2
~DS1-4
ON
Not used Do not change the factory settings.
OFF (Factory set)
DS2-1
~4
ON
Not used Do not change the factory settings.
OFF (Factory set)
DS3-1, 2
ON
Not used Do not change the factory settings.
OFF (Factory set)
Caution
DIP switch Setting after changing the main P.C.Board(A1P) to spare parts P.C.B.
When you change the main P.C.Board(A1P) to spare parts P.C.B., please carry out the following
setting.
DIP Switch Detail
∗
If the DS1-4,DS2-1 setting(refrigerant classification) has not been carried out, error code
“UA” is displayed and unit can not be operated.
DS No. Item Contents
DS1-1 Cool/Heat change
over setting
ON The Cool/Heat change over setting is carried out by COOL/
HEAT changeover remote controller fitted to outdoor unit.
OFF The Cool/Heat change over setting is not carried out by COOL/
HEAT changeover remote controller fitted to outdoor unit.
DS1-2 Power supply
setting
ON 3 phase 200 Volt area
OFF 3 phase 400 Volt area
DS1-3 Cooling only/Heat-
pump setting
ON Cooling only
OFF Heat-pump
DS1-4 Refrigerant
classification
DS2-1
DS2-2 Capacity setting
DS2-3
DS2-4
1 2 3 4 1 2 3 4
DS1 DS2
ON
OFF
ON
OFF
R-22 Not used R-410A
DS1-4 OFF ON OFF
DS2-1 OFF OFF ON
72, 96
DS2-2 OFF
DS2-3 OFF
DS2-4 ON