19
Combi Hybrid Wiring Diagram
• CirculationPumpIswiredtoB8(Live),Neutral(B7),Maximumpumppoweris500W
• Boiler2portvalve,brownB4,BluetoB8,OrangetotheboilerandtheGreytoB22
• TherunsignalfromthestatandtimeclockwireintoB22,B19isNeutral,B20Live(permanent240Vac)
• TherunsignalforheatingwirestoB22.
F1 F2
L N
Power Input
3A
Remove
MCB from unit
2m Flow Switch Cable,
Can be extended
Communications
Cable
2 core, 1mm, 16Vdc
240V Power Supply
5kW unit - 16A
9kW unit - 20A
16kW unit - 32A
Run Signal
Run Signal
to Combi
Pump M
B