4
Wiring Diagram A:
Single-Speed Blower
Humidistat
Humidifier
24 Volt AC Humidistat Wiring
Yellow Humidistat Wires
120 Volt AC Grounded Supply Outlet
Connected to the Single-
Speed Blower Motor
120 Volt AC Power Cord
Plug into the Installed Outlet
Connected to the Single-Speed
120 Volt Blower Motor
120-Volt AC
Blower Motor,
Single-Speed
Only
Common
Hot
DO NOT CONNECT YELLOW HUMIDISTAT WIRES TO THE FURNACE CONTROL BOARD!
DO NOT CONNECT ELECTRICAL POWER TO THE YELLOW HUMIDISTAT WIRES!
Ground