Product Description
ICM291 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 faultSpecifications:
Control Voltage: 24 VAC (18-30 VAC), 60Hz
Line Voltage: 208/230 VAC, 60Hz
Line Voltage: 208/230 VAC, 60Hz
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
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
Weight/Dimensions:
- Weight: 0.5
- Height: 1.875
- Width: 7
- Length: 5
Replaces
- Carrier LH33WP003
- Carrier LH33WP003A
Product Videos
Custom Field
MPN ICM291
