Installation
Electrical
Connection
9
Terminal assignment
Sensors
VII (1+2):
eBUS (FA) or 0 - 10 V output
I
(1,2,3+ ): F1/F2/F3 = buffer storage tank
low/middle/top
I
(2+3+ ): FBR2 (FBR1) for heating circuit 1
I
(2+ ):
F2 = Room sensor for heating circuit 1
I (4+5):
F5 = Flow sensor heating circuit 2
I (6+7):
F6 = Storage tank sensor
I (7+8):
F8 = Boiler sensor/header sensor
I (9+10):
F9 = Outdoor sensor
V (1+ ):
F11 = Flow sensor heating circuit 1/
Multifunction relay sensor 1
V (2+ ):
F12 = Hot-water tank low/
Multifunction relay sensor 2
VIII (1+ ):
F13 = PT1000 => HS2/collector 2/
Multifunction relay sensor 3
VIII (2+ ):
F14 = PT1000 => Collector 1/
Multifunction relay sensor 4
III (1-3):
FBR2 (FBR1) for heating circuit 2
III (1+2):
F15 = 0-10V input/light sensor/
Room sensor for heating circuit 2
III (2+3):
F17 = Pulse counter for output
measurement
IX (1+2):
Data line CAN bus
IX (3+4):
Power supply CAN bus
Mains
II (1):
Neutral conductor, mains
II (2):
Power supply, unit
II (3):
Power supply, relay
II (4):
A1 = Pump heating circuit 1
II (5):
A1 = Pump heating circuit 2
II (6):
A3 = Cylinder charging pump
II (7):
A4 = Mixer motor heating circuit 2 on
II (8):
A5 = Mixer motor heating circuit 2 to
II (9+10):
A6 = Burner stage 1/HS 1
VI (1+2):
A7 = Burner stage 2/HS 2/Solid fuel
IV (1):
A8 = Mixer motor heating circuit 1 on/
Multifunction
relay
1
IV (2):
A9 = Mixer motor heating circuit 1 to/
Multifunction
relay
2
IV (3):
A10 = Collector pump 2/Switching valve to
solar tank 2/Multifunction relay 3
IV (4):
A11 = Collector pump 1 (ON / OFF)
multifunction
relay
4
E
Important:
Bus lines and sensor lines must be laid separately, away from mains cables!
