Honeywell Switching Relay Wiring Diagram Boilers. When the wood boiler is up to temp it will send power to the relay to shutdown power to the oil boiler burner. 4 a call for heat.
See table 1 for additional cross reference information. 2 through 9 for hookup diagrams for these relays. 21 carefully press a screwdriver into the opening until the cover comes free.
Connect the controls pump boiler and 230 volt fused supply to the junction box terminals indicated by the arrows in the diagrams next to each control other electrical device or circuit.
First i need help identifying the small ceramic looking component in the far right lug and what terminals to hook its two black wires to. Boiler aquastat wiring diagram. Quick connect terminals are standard. The diagram for the sr506 switching relay 102 165 dated june 1 2006 shows.