Honeywell SOLA Controllers – SOLA™ Steam Control R7911A1026/U Module

The R7911A SOLA SC is a steam boiler control system that
provides heat control, flame supervision, fan control, boiler
control, and electric ignition function. It will also provide boiler
status and error reporting.
• Slow Start, Stack Limit, Boiler Limit
• Primary Flame Safeguard Control
• Internal or external spark generator.
• Analog Stack Temp NTC Sensor Inputs (10kohm or 12kohm).
• Other Analog Inputs
• PID Load Control
• Digital Inputs
• Digital Outputs
• Analog Outputs
• Algorithm Prioritization
• High Limit Control – Stack (Meets UL 353) using dual 10 kohm NTC
sensors.
• Fifteen Item Fault Code History including equipment status at time of
lockout
• Fifteen Item Alert Code Status including equipment status at time of
internal alerts
• 24 Vac Device Power
• 24 or 120 Vac Digital I/O models available.
• Flame Signal test jacks (Vdc)
• Three Status LEDs.
• UV or Flame rod Flame Sensing