Product Overview

ICM2905
INTERMITTENT PILOT GAS IGNITION CONTROL MODULE
LIS272
with Lockout Delay & Damper Control Input
• Intermittent pilot gas ignition control module
• For use with intermittent pilot boilers, furnaces
and other heating appliances
• Microprocessor-based
• Monitors timing, trial for ignition, flame sensing
and lockout
• Remote flame sensing
• 2 minute trial for ignition
• 60 minute lock out if pilot flame is not sensed in
2 minutes
• Compatible with LP or natural gas
• Damper control input
Features
Replaces
Reznor: 257010
Wiring Diagram
Spark
Electrode
Flame Sense
Patented: 5,889,645; 5,917,691; 6,222,719; 5,930,104
ICM2905
Combination Gas
Valve
Burner
Ground
24 VAC
24 VAC
Common
L
1
L
2
Thermostat
M
M/P
P
Prepurge Time: 0 Seconds
Trial for Ignition: 2 Minutes
Lockout: 60 Minutes
RATINGS
• Input:
24 VAC, 50/60 Hz
• PV: 2 amp maximum
• MV: 2 amp maximum
Vent
Damper
Specifications
• Control Voltage: 18-30 VAC
• Frequency: 50/60 Hz
• Humidity: 5%-95% R.H. (non-condensing) at +55°C
• Operating Temperature: -40°F to 165°F, -40°C to 75°C
• Pilot Valve: 2A @ 24 VAC
• Main Gas Valve: 2A @ 24 VAC
• Current Draw: 100 mA maximum
• Pre-Purge Delay: 0 seconds
• Trial for ignition: 2 minutes
• Lock Out Time: 60 minutes