ICM Controls ICM2909 Direct Spark Ignition (DSI) Control Board – Rheem Replacement

• Line Voltage: 208-230 VAC, 50/60 Hz
• Control Voltage: 18-30 VAC, 50/60 Hz 
• System Switches: Vent pressure, limit and MRLC (Manual Reset Limit Control) 

Outputs

• Heat N.C.: 16FLA/30 LRA @ 277 VAC, 30K @ 85°C
• Cool N.O.: 15FLA/36 LRA @ 277 VAC, 100K @ 85°C
• Inducer: 9.8FLA/58.8LRA, 1/2HP @ 120 VAC, 6K @ 75°C
• Gas valve: 2.3 A PILOT DUTY @ 240 VAC, 6K @ 75°C

 Heat Operating Timing

• Pre-purge: 3 seconds
• Heat blower ON delay: 30 seconds
• Post-purge: 5 seconds
• Heat blower OFF delay: 90 seconds
• Ignition trial: 7 seconds
• Inter-purge (retrial): 15 seconds
• Ignition activation period: 5 seconds
• Flame establishing period: 2 seconds
• Flame failure response time: 0.8 seconds (maximum)

Cooling Operation

• Cool blower On delay: 1 second
• Cool blower Off delay: 30 seconds 

Lockout Timing

• Auto reset lockout: 60 minutes

Environmental

• Operating temperature: -40˚F to 175˚F (-40˚C to 80˚C)
• Storage temperature: -40˚F to 185˚F (-40˚C to 85˚C)
• Humidity: 5% – 95% R.H. (non-condensing) at +55˚C 

REPLACES

• Rheem: 62-23599-01, 62-23599-02, 62-23599-03, 62-23599-04, 62-23599-05