11.7 Connecting preheater
1 = Heating coil
C1 =brown
C2 = blue
C3 = green/yellow
C4 = black
C5 = white
2 = Maximum safety with manual reset
3 = 2-pole eBus connection X17 on appliance
4 = Temperature sensor
5 = PCB type UVP1
6 = Airflow direction
7 = Dipswitch setting preheater
Ubiflux Vigor W325 615743-G
Ubbink / 47