8.3 Assignment of control board
Connector X1
Connector X2 Not in use
Connector X3 Digital ignition control for lower chamber (only for 20.x gas
Connector X4 Digital ignition control (only for gas appliances), for 20.x upper
Connector X5 CAN bus line to the motor M1 (for 20.x upper chamber)
Connector X6 CAN bus line to the motor M2 (only for 20.x, lower chamber)
Connector X7 MMI communication
Connector X8 Digital key contains device-specific information.
Connector X9 (24V DC)
Connector X10 (230V AC)
Connector X11 (230V AC)
Connector X12 (230V AC)
No.
1
Input 10.7 V AC for lighting
2
3/4
Power supply I/O board 18V AC
appliances)
chamber
No.
1/2
Supply for control panel (MMI)
No.
1
Supply voltage for relay
2
Output K1, main contactor Q1
3
-
4/5
N
No.
optional
1
Output K1, POS A
2
Output K2, POS B
3
Input 230V, POS C
4
-
5
N
No.
1
Output K17, WaveClean pump G16
2
-
3
Output K4, solenoid valve K12
4
Output K5, siphon pump G24
5
Output K6, backup relay
6
-
7
N
Service instructions
Description
Description
Description
Description
Description
Electronics
37