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ICM Furnace Control Replaces Carrier LH33WP003 & LH33WP003A

ICM

Item ID: ICM291

Direct Spark Ignition (DSI) Control Board
Microprocessor-Based
Controls Combustion, Blower and Indoor Motors; Spark Ignitor and the Gas Valve
Monitors Timing, Trial for Ignition, Flame Sensing and Lockout
100% Lockout Safety Feature
Compatible with LP or Natural Gas
Status LED for Fault Codes to Aid in Troubleshooting
Power cons: 0.3A plus gas valve current @ 24 VAC
Timing:
Pre-purge: 45 seconds
Trial for Ignition: 5+2 seconds
Retry period: Every 20 seconds for
- 15 minutes
- Lockout: manual reset
- Post-purge: 45 seconds
Inputs:
- Power: RT and C
- Thermostat interface: R, W and G
- Safety switches: RS, LS, and CS
- Combustion motor Hall Effect
- sensor
- Flame sensing
Outputs:
- Spark
- Gas Valve: GV
- Combustion motor: CM
- Blower motor: BM
- Indoor fan motor: IFO
LED indicators:
Red LED:
- Steady ON- normal operation
- Flashing – fault codes

Brand	ICM
Country of Origin	USA
Switches	Safety switches: RS, LS, and CS
Timings	Timing\|Pre-purge: 45 seconds\|Trial for Ignition: 5+2 seconds\|Retry period: Every 20 sec. for 5 min.\|Lockout: manual reset\|Post-purge: 45 seconds
UPC	800442011844

Carrier	3A
Carrier	LH33WP003