Furnace Interlock Wiring Diagram

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Furnace interlock in the fm takes the thermostat’s g terminal out of the circuit whenever there is a call for the energy recovery ventilator to operate. This schematic applies to ev90, ev130, ev200 and ev300 models. The percentage timer control with indicator lights and furnace interlock (fm) is the primary control for renewaire energy recovery ventilator (erv) models ev90, ev90p, ev130, ev200, ev240, ev300, ev premium, and sl70. Wiring options 1 and 2:

Exhaust fan interlock wiring diagram. Appliance wiring material is a classification of underwriters laboratories inc covering insulated wire and cable intended for internal wiring of appliances and equipment. You need a 3 way switch for the exhaust fan 2 way for the ventilation switch. Ford 9n wiring diagram. 17 pictures about ford 9n wiring diagram : Ford 9n wiring diagram www. tankbig. com. 9n wiring diagram ford harness tractor wire. Baseboard heater wiring questi. Here is the wiring as it has been done (two wires go to furnace and one wire goes to thermostat):