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ICM291 Furnace Control Module

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Price: $195.99
Item Number: 53081
Manufacturer Name: ICM Controls
Manufacturer Part No: ICM291

ICM291 Spec Sheet

ICM291 Furnace Control Module
Replacement for Carrier LH33WP003/3A control boards

Product Features:
  • Low cost form, fit and functional replacement for Carrier: LH33WP003A
  • Direct Spark Ignition (DSI) control board
  • Microprocessor-based
  • Controls combustion, blower and indoor fan 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


Control Voltage: 24 VAC (18-30 VAC), 60Hz 
Line Voltage: 208/230 VAC, 60Hz
- 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
LED Indicators:
- Red LED: Steady ON-normal operation;
Flashing-fault codes 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

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