Product Overview

ICM2902
INTERMITTENT PILOT GAS IGNITION CONTROL
LIS232
Low cost, direct replacement ignition control
Features
• For use with intermittent pilot boilers,
furnaces and other heating appliances
• Microprocessor-based precision
• Monitors timing, trial for ignition, flame
sensing and lockout
• Remote flame sensing
• 100% lockout safety feature
• Compatible with LP or Natural Gas
• Status LED for fault codes to aid in
troubleshooting
• Replaces: Johnson Controls G776
(63K2401, 41K8701, 69J3601) ignition
controls, Lennox 30W33 ignition control,
Robertshaw 735L (18G91) or 745 (95H04)
ignition controls
Specifications Wiring Diagram
Control Voltage: Line 24 VAC (18-30 VAC) 50/60 Hz
Anticipator Setting: 0.2A plus valve load @ 24 VAC
Prepurge: 15 seconds
Trial for Ignition: 85 seconds
Lockout: 60 minutes
Flame Failure Response Time: 0.5 seconds
Status LED: See product label for error codes
Operating Temperature:
• Minimum ambient temperature rating is -40°F
(-40°C)
• Maximum ambient rating when used with 2.0A
main valve is 165°F (74°C)
Relative Humidity: 0% to 95% non-condensing
SENSE
M.V.
P.V.
GROUND
GROUND
GROUND
GROUND
1
3
4
SPARK
Combination
Gas Valve
Burner Ground
Flame Sensor
Spark
Electrode
Terminal numbers
shown on control label
1
JP20 not used on
G20R units
2
1
M
M/P
P
LED
2
THS
24 VAC Common
7
J20 P20
4
J20 P20
Wiring for
G23 or G26
Only
Wiring for
G20 or G20R
2