Vitoligno 300-C Installation/Service
5790 980 - 04
48
Installation
Electrical Connections
(continued)
Overview of connection options
Key
HC Heating circuit
SOL Solar circuit
FRC Flow rate control (volume control)
To Ecotronic (HKK PCB)
To “Mixing valve extension module”
(KM-BUS subscriber)
Connection group
Rotary selector setting
A1
A2
A3
1
3
5
1 heating circuit
HC1
(CP)
--
--
--
--
--
(CP)
--
HC1
--
--
2 heating circuit
HC1
HC2
(CP)
--
--
--
--
(CP)
--
HC1
HC2
--
HC1
(CP)
--
HC2
--
--
3 heating circuit
HC1
HC2
HC3
--
--
--
HC1
HC2
(CP)
HC3
--
--
HC1
(CP)
--
HC2
HC3
--
--
(CP)
--
HC1
HC2
HC3
4 heating circuit
HC1
HC2
HC3
HC4
--
--
HC1
HC2
(CP)
HC3
HC4
--
HC1
(CP)
--
HC2
HC3
HC4
1 heating circuit and DHW
HC1
DHW+(CP)
--
--
--
--
HC1
DHW+(CP)
--
DHW+FRC
--
--
--
(CP)
--
HC1
--
--
--
(CP)
--
HC1
DHW+FRC
--
2 heating circuit and DHW
HC1
HC2
DHW+(CP)
--
--
--
HC1
HC2
(CP)
DHW+FRC
--
--
HC1
DHW+(CP)
--
HC2
--
--
HC1
(CP)
--
HC2
DHW+FRC
--
--
DHW+(CP)
--
HC1
HC2
--
--
(CP)
--
HC1
HC2
DHW+FRC
3 heating circuit and DHW
HC1
HC2
HC3
DHW+FRC
--
--
HC1
HC2
DHW+(CP)
HC3
--
--
HC1
HC2
(CP)
HC3
DHW+FRC
--
HC1
DHW+(CP)
--
HC2
HC3
--
HC1
(CP)
--
HC2
HC3
--
DHW+(CP)
--
HC1
HC2
HC3
4 heating circuit and DHW
HC1
HC2
HC3
HC4
DHW+FRC
--
HC1
HC2
(CP)
HC3
HC4
DHW+FRC
HC1
HC2
DHW+(CP)
HC3
HC4
--
HC1
DHW+(CP)
--
HC2
HC3
HC4
Only DHW
--
DHW+(CP)
--
--
--
--
--
(CP)
--
DHW+FRC
--
--
1 heating circuit and solar
HC1
(CP)
SOL
--
--
--
--
(CP)
SOL
HC1
--
--
2 heating circuit and solar
HC1
HC2
SOL
--
--
--
--
(CP)
SOL
HC2
HC2
--
HC1
(CP)
SOL
--
--
--
3 heating circuit and solar
HC1
HC2
SOL
--
--
--
HC1
(CP)
SOL
HC1
HC3
--
--
(CP)
SOL
HC2
HC2
HC3
4 heating circuit and solar
HC1
HC2
SOL
HC3
HC4
--
HC1
(CP)
SOL
HC2
HC3
HC4
1 heating circuit, solar and DHW
HC1
DHW+(CP)
SOL
--
--
--
HC1
(CP)
SOL
DHW+FRC
--
--
--
DHW+(CP)
SOL
HC1
--
--
(CP)
SOL
HC1
DHW+FRC
--
2 heating circuit, solar and DHW
HC1
(CP)
SOL
DHW+FRC
--
--
HC1
DHW+(CP)
SOL
HC2
--
--
HC1
(CP)
SOL
HC2
DHW+FRC
--
--
(CP)
SOL
HC1
HC2
DHW+FRC
--
DHW+(CP)
SOL
HC1
HC2
--
3 heating circuit, solar and DHW
HC1
HC2
SOL
HC3
DHW+FRC
--
HC1
(CP)
SOL
HC2
HC3
DHW+FRC
HC1
DHW+(CP)
SOL
HC2
HC3
--
--
DHW+(CP)
SOL
HC1
HC2
HC3
4 heating circuit, solar and DHW
HC1
HC2
SOL
HC4
HC4
DHW+FRC
HC1
DHW+(CP)
SOL
HC2
HC3
HC4
Solar and DHW only
--
DHW+(CP)
SOL
--
--
--
--
(CP)
SOL
DHW+FRC
--
--
Solar only
--
(CP)
SOL
--
--
--
Key
DHW Domestic hot water heating
(CP) DHW recirculation pump, optional