ICM Controls ICM291 Furnace Control Board- Carrier Bryant Furnace Control Board LH33WP003/3A

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Oman's Biggest AC Spare Parts Company

ICM Controls ICM291 Furnace Control Board- Carrier Bryant Furnace Control Board LH33WP003/3A

The ICM2801 Furnace Control Board is a form, fit and functional replacement for York/Evcon’s 7990-319P control board. It features micro-processor based precision with a status LED for testing and easy troubleshooting.

Low cost form, fit and functional replacement for York/Evcon 7990-319P
Controls vent motor, blower control, hot surface ignitor and gas valve
Monitors timing, trial for ignition, flame sensing and lockout
Microprocessor-based
Reverse polarity detection
100 percent lockout safety feature
Compatible with LP or Natural gas
Twinning compatible with another ICM2801 control
Status LED for fault codes to aid in troubleshooting

SPECIFICATIONS

Control Voltage: 24 VAC (18-30 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

Replaces:

Carrier: LH33WP003, LH33WP003A

ICP: 1171166

ICM291 Installation Guide

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