Electronic Fan Timer

Supply Voltage: Low Voltage: 18 to 30 Vac, Line Voltage: 120V (97-132 Vac), 240V (196 – 264Vac)
Replaces all ST9101's, all ST9120's, all ST9141's, and all ST9160's
Circulating Fan Load Rating for Heat-Cool Speed: 8A full load, 16A locked rotor at 115 Vac, 4A full load, 8A locked rotor at 230 Vac.
Circulating Fan Load Rating for Optional Continuous Speed: 8A full load, 16A locked rotor at 115 Vac, 4A full load, 8A locked rotor at 230 Vac.
Combution Blower Load Rating: 1.5A full load, 10A locked rotor at 115 Vac, 0.75A full load, 5A locked rotor at 230 Vac. (Reduce full load rating by humidifier [HUM] load.)
Air Cleaner and Humidifier Load Ratings: 0.8A maximum combined load at 115 Vac, 0.4A maximum combined load at 230 VAC
Thermostat Load Rating: 0.10A plus ignition system load

Overview
Universal electronic fan timer replaces ST9120, ST9101, ST9141, and ST9160 models installed in gas warm air furnaces. Includes instructions and special wire harnesses for easy replacement.
Features
• Replaces 40+ existing electronic fan timers
• Instruction sheet supplies full cross reference and wiring guide
• Interface harnesses for simple conversion
• Integrates control of all combustion blower and circulating fan operations in gas warm-air appliance
• Replaceable fuse
• DIP switch selectable heat and cool delay on and off times
• LED lights for easy diagnostics
• Electronic air cleaner and humidifier terminal connections
• Continuous low speed indoor air circulation