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
Product Specifications
- Application
- Integrates control of combustion blower and circulating fan operations for a gas warm air appliance
- Dimensions (in.)
- 1 1/2 in. high x 4 1/2 in. wide x 5 3/4 in. long
- Dimensions (mm)
- 38 mm high x 114 mm wide x 146 mm long
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- Listed: Report MP466
- Approvals, Canadian Standards Association
- Certified: File No. LR95329-17
- Tradeline Value
- Universal Tradeline
- Operating Humidity Range (% RH)
- 5 to 95%, non-condensing
- Supply Voltage
- Low Voltage: 18 to 30 Vac, Line Voltage: 120V (97-132 Vac), 240V (196 – 264Vac)
- PostPurge
- 5 seconds
- Ambient Temperature Range (C)
- -40 C to +79 C
- Ambient Temperature Range (F)
- -40 F to +175 F
- 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
- Heat Fan On Delay
- adj. 30, 60 sec (set at 30 sec)
- Heat Fan Off Delay
- adj. 60, 120, 150, 180 sec (set at 120 sec)
- Cool Fan On Delay
- adj. 4, 30 sec (set at 4 sec)
- Cool Fan Off Delay
- adj. 30, 60 sec (set at 30 sec)
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