ICM280
Description
ICM280 Furnace Control Board
Low cost, direct replacement board for Goodman, Janitrol, TI, White-Rodgers and UTEC
Microprocessor based design for precise timing
Functions with all 24 VAC thermostats
Diagnostic fault codes (blinking LED) for simple troubleshooting
Twining compatible with another ICM280
For 80+ and 90+ applications
9-pin card slot connection and 9-pin Molex connector on board
UL recognized
Specifications
Environment:
Ambient Temperature
- Operating: -40ºF to 176ºF
- Storage: -40ºF to 185ºF
Humidity: 5% to 95% R.H. (non-condensing) @ +55ºF
Vibration: 13.8Hz @ 0.2 Gs for one hour in each orthogonal axis
Flame Speed: UL 94-VO rating
Electrical:
Voltage Range: Line (98 to 132 VAC) @ 60Hz
Ignitor: 5A @ 120 VAC
Cool Blower: 10A, 2 HP, 240 VAC
Heat: 5A, 240 VAC
Inducer Motor: 4A, FLA-8.0 LRA @ 120 VAC
Gas Valve: 1.5A @ 30 VAC
Timing:
Trial for Ignition: 7.0 seconds
- Ignition activation period = 5 seconds
- Flame establishing period = 2 seconds
Flame Failure Response Time: 0.8 seconds maximum
Inducer Pre-Purge Time: 1 Second
Inducer Post-Purge Time:
- 25 seconds 80% furnace
- 29 seconds 90% furnace
Ignitor Warm Up Time:
- 15 seconds, first trial
- 20 seconds, second and third ignition trials
Total Trials for Ignition: 3 (automatically reset after one hour)
Heat Blower on Delay: 30 seconds
Heat Blower Off Delays: 90, 120 and 150 seconds
Cool Blower on Delay: 5 seconds
Cool Blower Off Delay: 60 seconds
Status LEDs:
LED ON: No fault
OFF: Gas valve fault detected
1: Ignition failure (after 3 tries and start of soft lockout)
2: Pressure switch stuck closed
3: Pressure switch failed to close
4: Limit switch failed open
5: Flame present with gas valve output off
6: Brownout voltage
7: Fault twinning
Rapid Flashing: Wrong polarity of 120VAC and Neutral
Replaces:
Goodman/Janitrol: B18099-06, B18099-08, B18099-10, B18099-13, B18099-13S
UTEC: 1012-933D
Texas Instruments: 41F-5
White-Rodgers: 50T35-730, 50T35-743
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