Features
Features Primary Voltage: 120 V Width: 8 in Height: 4 in 60 Hz frequency Priority on: indicates priority mode is selected Primary pump: indicates primary pump is energized Priority pump: indicates the priority zone pump is energized X-X Contact: indicates x-x contact is closed and calling for heat from the boiler ZR on: indicates ZR-ZC dip switch is in the on position, priority zone is calling, and ZR-ZC terminals are energized Thermostat terminals (class 2) Green indicator LED: indicates zone is calling for heat Field selectable option dip switches (see field selectable option switches in this manual for explanation) Red indicator LED: indicates zone valve is fully open Zone valve terminals (class 2) 40 VA transformer voltage ZC on green indicator LED SPST relay switching action 7.2 A total drawn (120 VAC) Transformer spade terminals (120 VAC) (primary) Transformer spade terminals (24 VAC) (class 2) Isolated end switch Data port terminal: used for communication with the argo DPM-2 outdoor temperature setback control Status LED: flashes during normal operation

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