Robertshaw Ignition Control Wiring Diagram. 780 series ignition controls. Wiring diagram 1johnson controls robertshaw 1 pv pv 2 ths th 3 mv mv 4 sensor 5 not used grd.
Confirm integrity of thermostat. The robertshaw gas valves used in the series kits are csa design certified to. I am replacing a robertshaw pilot free ignition control which has the following terminals igntr gnd pvmv th pv.
The robertshaw 780 series hot surface controls are designed for use on gas fired systems.
Confirm proper ignition control grounding. The su instructions show 25v 2 twice both in the. The 780 910 provides 100 lockout and complete gas shut off if main burner does not light after the selected trial for ignition sequence has been completed. I am replacing a robertshaw pilot free ignition control which has the following terminals igntr gnd pvmv th pv.