Advise needed on Pump overrun wiring please!
System is fully pumped S plan 3 zone with Honeywell Auto-bypass valve following are the specification.
Boiler: British Gas 330
Pump: Grundfos Pump
Valve: 3 into Honeywell 22mm 2Port valve: 1>Heating Downstairs. 2>Heating Upstairs. 3>Heating Hot water.
Programmer: Drayton 742R Mitime programmer
Cylinder stat:Wired Drayton Cylinder stat
Room Stat: Drayton wired Room stat
I have managed to wire the system as per LWC1 wiring centre specification as below. Just need advise on how to wire pump overrun as per boiler specification? Could not find any information for British Gas boiler. Any help will be appreciated.
System is fully pumped S plan 3 zone with Honeywell Auto-bypass valve following are the specification.
Boiler: British Gas 330
Pump: Grundfos Pump
Valve: 3 into Honeywell 22mm 2Port valve: 1>Heating Downstairs. 2>Heating Upstairs. 3>Heating Hot water.
Programmer: Drayton 742R Mitime programmer
Cylinder stat:Wired Drayton Cylinder stat
Room Stat: Drayton wired Room stat
I have managed to wire the system as per LWC1 wiring centre specification as below. Just need advise on how to wire pump overrun as per boiler specification? Could not find any information for British Gas boiler. Any help will be appreciated.