Installer Guide 4
R C H1 H2 D
Constant 24 VAC
from HVAC
Transformer
120 Volts
Switched
w/Furnace
Operation
Fan Powered Humidifier
R C H1 H2 D
Constant 24 VAC
from HVAC
Transformer
24 VAC Control Relay
for Dehumidifier or
Outside Air Control
Dehumidifier