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6
AG2 Series - 4” Tube Heater Installation, Operation, Maintenance and Parts Manual
AG2 Series
Field Wiring Diagrams
ELECTRICIAN: 24V must be field supplied to each unit’s yellow cord. Supply 120V to black cord. Observe polarity. Confirm
proper two stage electrical wiring by cycling heaters between stages. Proper operation of high fire, low fire and off should be
confirmed on all two stage AG2 Heaters. AG2 model heaters require a 24-volt two-stage thermostat / controller to operate.
TWO-STAGE CONTROL WIRING WITH SINGLE STAGE BARN CONTROLLER
TYPICAL WIRING DIAGRAM TO BARN CONTROLLER
** This wiring diagram may be used if a two-stage barn controller is not available. Two-stage barn controllers are always preferred.
AG2 FIELD WIRING WITH INTERNAL RELAY