• Microprocessor-based
• Monitors system timing, trial for ignition, system switches, flame sensing and lockout
• 100% lockout safety feature monitors for repeated over-temperature faults or flame losses and disables the heat operation for safety
• Continuously monitors the gas valve output to verify the gas valve does not turn on or off incorrectly
• Compatible with LP or natural gas
• LED indication for status and fault codes to aid in troubleshooting

• Twinning feature allows two furnace boards to be controlled with a single thermostat

• Field test mode

Input

• Line voltage: 120 VAC
• Control voltage: 18 – 30 VAC
• Frequency: 50/60 Hz

Output

• Spark ignition: 12kV O.C.V., 60Hz
• Heat blower: 15 FLA/30 LRA @ 277 VAC
• Inducer fan: 1/2 HP, 9.8FLA/58.8LRA @120 VAC
• Gas valve: 2.3A Pilot Duty @ 240 VAC

Environmental

• Operating temperature: -40°F to 149°F (-40°C to 65°C)

REPLACES

• Modine Spark Ignition Control: 5H79749

Sell Sheet

Installation Guide