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OUTPUTSINPUTSPOWER
G
W
C
RHHODT GfA
ADHC TERMINAL STRIP
B
MODEL 800
STEAM HUMIDIFIER
OUTDOOR TEMPERATURE SENSOR
FOR AUTOMATIC MODE
FURNACE
THERMOSTAT
R
C
W
Y
G
G
Y
W
C
R
Figure L – Model 62 Wiring for Model 800 Series
Steam Humidifier
90-1511
STEP 11: Model 62 Wiring for Model 800 Series Steam
Humidifier – See Figure L
Strip the wires used for all Humidifier Control terminal
connections 1/4 inch.
NOTES:
• The Model 62 must be continuously powered from “R” and
“C” on the furnace to function properly.
• The minimum VA required is 2.0 VA.
• In order for the humidifier to operate, the HVAC blower must
be running and the Model 62 must be calling for humidity.
WIRING DESCRIPTION:
• Wire “H” terminals on the Model 62 to the “Humidifier”
terminals on the Model 800 control board.
• Wire “R” and “C” on the Model 62 to “R” and “C” on the
furnace terminal strip.
• Remove the thermostat “G” wire from the furnace terminal
strip and wire it to “G” on the Model 62 control.
• Wire “Gf” on the Model 62 to “G” on the furnace terminal
strip.
• Wire “W” on the Model 62 to “W” on the furnace terminal
strip.
• Replace cover and knob.
WARNING
120/240 volts may cause serious injury from electrical
shock. Disconnect electrical power to the furnace
and humidifier before starting installation.