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DIP switch information
• If you set Dip switch when power is on, the changed setting will not be applied immediately.
The changed setting will be enabled only when Power is reset or by pressing Reset button.
Option Switch 2
Description
Description
Role when central
controller is equipped
Accessory installation
information
Cycle
Flow switch detection
Electric heater step
Thermostat installation
information
Setting
Setting
1
As Master
1
As Slave
Unit + Outdoor unit
is installed
2
3
Unit + Outdoor unit
+ DHW tank
2
3
is installed
Unit + Outdoor unit
+ DHW tank
+ Solar thermal system
2
3
is installed
DHW tank is installed
2
3
4
Heating Only
4
Heating & Cooling
5
Always
While water pump is on
5
Electric heater is not used
6
7
Unused
6
7
Half capacity is used.
6
7
Full capacity is used.
6
7
8
Thermostat is NOT installed
8
Thermostat is installed
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Troubleshooting
