42
2017/05 Rev. 0.0
ComBi-Line
12.1.1 Main circuit board inputs
Connector CN100
Pin
Sensor
Colour Notes
1 - 8
signal
Black
all signals from front to main board
Connector K4 boiler sensors (level & temp.)
Pin
Sensor
Colour Notes
1
min. level
Brown
2
mass
Green
3
NTC sensor
Violet
4
Boiler detection Black
detection pin 4-8 boiler is present
5
Ground (GND) Green
6
-
-
7
NTC sensor
Violet
8
Boiler detection Black
detection pin 4-8 boiler is present
Connector J1 boiler relays
Pin
power relay
Colour Notes
1
heater 1
Red
2
heater
2
Green
3
heater
3
Orange
4
Ground 1
Black
5
Ground 2
Black
6
Ground 3
Black
Connector JP1 flowmeter
Pin
Colour Notes
1
impulse
White
red LED blinks during impulses
2
Ground (GND)
Black
3
+24 Vdc
Brown
Connector K1 inlet valves
Pin
Colour Notes
1
coffee inlet valve Brown
2
boiler inlet valve Red
3
Ground (GND)
Black
K4
J1
J2
K3
K2
K1
JP1
Combi line
control MAIN
CN100
1
1
1
1
1
1
PWR1
Inlet
valves
flow
meter
boiler
relays
boilers
sensors
coffee
sensors
coffee
relays
container
relays
Power in
24Vdc
interface
board
1
LED
LED
LED
LED
LED
1
5
4
3
3
3
4
7
