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RTU Open 29
To wire an enthalpy switch (outdoor air) to the controller
An enhalpy switch is typically mounted in the outdoor air inlet.
Wiring diagram for a field-installed enthalpy switch:
NOTES
• Factory-installed enthalpy switches terminate at J2 wires 6 (switch input) and 7 (24 Vac).
• Input channel must be configured for the enthalpy contact (N.O. or N.C.) that you use.