Radiant EcoSmart ES50LVP Installation, operation and maintenance manual - Miscellaneous Wiring
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Miscellaneous Wiring
Miscellaneous wiring to the upper right tabs of control board as marked:
FLOW – connect a normally open (NO) flow switch. If there is a call for DHW, fan will
shut down and resume once the call for DHW has ended
BOILER – dry contacts to initiate heat source
AUX 24V – 24VAC output for humidifier or other accessory. Active when heating is on
OUTDOOR – included outdoor temperature sensor connects here. If sensor is not
connected, ecosmart assumes coldest temperature is present