Hrv200plus installation instructions – Hearth and Home Technologies Heat Recovery Ventilator HRV200PLUS User Manual
Page 33
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02/04
4034-102 Rev F
33
HRV200PLUS INSTALLATION INSTRUCTIONS
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7. Furnace Interface Operating Modes Connector P3
See Section L. WIRING for wiring diagram, Figure 23.
a. OFF Mode
The furnace blower operates normally based on thermostat and furnace control board functionality.
b. Interlock Mode
The furnace interface relay provides connection between R and G on the furnace control board, creating demand for
continuous furnace blower operation.
8. Furnace Interface Terminals
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