51
Setting the DIP switches
SMGB0066 rev.0 - 12/2009
Electrical wiring
Service Manual
3
• dSW2: unit control configuration / unit HP
function
Set PIns
Remote ON/OFF signal
Pulse signal commissioning
Level signal (System controller)
PHEX flow direction
(Not used)
Counter flow (Yutaki)
function
Set PIns
3HP unit
4HP unit
5 HP unit
6 HP unit
• dSW3: unit control configuration
function
Set PIns
Yutaki unit
Available low ambient for cooling
mode (Not available)
Heating only (Not used)
Set temp by rotary switch
(Commissioning)
Set temp by system controller
(4 to 20 mA)
• dSW4: unit model confgurations
function
Set PIns
(Not used)
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
Heat pump
1 2 3 4 5 7
6 8
Yutaki heat pump
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
function
Set PIns
(Not used)
1 2 3 4 5 7
6 8
(Not used)
1 2 3 4 5 7
6 8
R410A
1 2 3 4 5 7
6 8
CO
2
(Not used)
1 2 3 4 5 7
6 8
Power save (Max Hz=Nominal)
1 2 3 4 5 7
6 8
(Not available)
1 2 3 4 5 7
6 8
230 V
1 2 3 4 5 7
6 8
400 V
1 2 3 4 5 7
6 8
