Carrier HM56SERIES308 Ignition Control
The Carrier HM56SERIES308 Direct Spark Ignition Control (DSI) is a critical integrated furnace control designed for precise HVAC combustion management. Functioning as a direct replacement for legacy Carrier and Bryant ignition modules, this DSI control board manages the induction motor, pressure switch monitoring, and electrode spark gap timing for reliable burner ignition. It features a sophisticated microprocessor that executes a pre-purge cycle to clear the heat exchanger of residual gases before initiating the high-voltage spark. This control is engineered for 120VAC or 24VAC systems and incorporates LED diagnostic codes to streamline troubleshooting for field technicians dealing with ignition lockout or flame sensing failures. The board optimizes flame rectification sensitivity, ensuring the system shuts down immediately if a stable flame is not detected, protecting the heat exchanger and overall system integrity during the heating cycle.
Key Benefits:
- Universal Field Replacement: Specifically calibrated for Carrier-family furnace models, ensuring proper pin-out compatibility and mounting alignment.
- Advanced Diagnostics: On-board LED flashes provide instant fault code identification, reducing diagnostic time for pressure switch or limit circuit trips.
- Optimized Ignition Timing: Precision-timed trial for ignition (TFI) periods prevent excess gas buildup, maintaining safe and consistent startup.
- Durable Flame Sensing: High-sensitivity circuitry handles microamp flame signal monitoring to prevent nuisance outages.
Common Questions:
What causes a lockout on the HM56SERIES308 control?
Lockout typically occurs after three failed trials for ignition. This can be caused by a cracked ceramic insulator on the spark electrode, a dirty flame sensor, or inadequate grounding of the burner assembly.
Can this board replace an intermittent pilot ignition system?
No, this is a Direct Spark Ignition (DSI) control intended for systems where the spark ignites the main burners directly. It is not compatible with standing pilot or intermittent pilot gas valves.
How do I verify the flame signal on this module?
Technicians should measure the DC microamps in series with the flame sense lead. A stable reading above 1.0 microamp is generally required for the ignition module to maintain the gas valve circuit.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $115.64
-65%$115.64
$40.47Carrier HM56SERIES308 Ignition Control
The Carrier HM56SERIES308 Direct Spark Ignition Control (DSI) is a critical integrated furnace control designed for precise HVAC combustion management. Functioning as a direct replacement for legacy Carrier and Bryant ignition modules, this DSI control board manages the induction motor, pressure switch monitoring, and electrode spark gap timing for reliable burner ignition. It features a sophisticated microprocessor that executes a pre-purge cycle to clear the heat exchanger of residual gases before initiating the high-voltage spark. This control is engineered for 120VAC or 24VAC systems and incorporates LED diagnostic codes to streamline troubleshooting for field technicians dealing with ignition lockout or flame sensing failures. The board optimizes flame rectification sensitivity, ensuring the system shuts down immediately if a stable flame is not detected, protecting the heat exchanger and overall system integrity during the heating cycle.
Key Benefits:
- Universal Field Replacement: Specifically calibrated for Carrier-family furnace models, ensuring proper pin-out compatibility and mounting alignment.
- Advanced Diagnostics: On-board LED flashes provide instant fault code identification, reducing diagnostic time for pressure switch or limit circuit trips.
- Optimized Ignition Timing: Precision-timed trial for ignition (TFI) periods prevent excess gas buildup, maintaining safe and consistent startup.
- Durable Flame Sensing: High-sensitivity circuitry handles microamp flame signal monitoring to prevent nuisance outages.
Common Questions:
What causes a lockout on the HM56SERIES308 control?
Lockout typically occurs after three failed trials for ignition. This can be caused by a cracked ceramic insulator on the spark electrode, a dirty flame sensor, or inadequate grounding of the burner assembly.
Can this board replace an intermittent pilot ignition system?
No, this is a Direct Spark Ignition (DSI) control intended for systems where the spark ignites the main burners directly. It is not compatible with standing pilot or intermittent pilot gas valves.
How do I verify the flame signal on this module?
Technicians should measure the DC microamps in series with the flame sense lead. A stable reading above 1.0 microamp is generally required for the ignition module to maintain the gas valve circuit.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier HM56SERIES308 Direct Spark Ignition Control (DSI) is a critical integrated furnace control designed for precise HVAC combustion management. Functioning as a direct replacement for legacy Carrier and Bryant ignition modules, this DSI control board manages the induction motor, pressure switch monitoring, and electrode spark gap timing for reliable burner ignition. It features a sophisticated microprocessor that executes a pre-purge cycle to clear the heat exchanger of residual gases before initiating the high-voltage spark. This control is engineered for 120VAC or 24VAC systems and incorporates LED diagnostic codes to streamline troubleshooting for field technicians dealing with ignition lockout or flame sensing failures. The board optimizes flame rectification sensitivity, ensuring the system shuts down immediately if a stable flame is not detected, protecting the heat exchanger and overall system integrity during the heating cycle.
Key Benefits:
- Universal Field Replacement: Specifically calibrated for Carrier-family furnace models, ensuring proper pin-out compatibility and mounting alignment.
- Advanced Diagnostics: On-board LED flashes provide instant fault code identification, reducing diagnostic time for pressure switch or limit circuit trips.
- Optimized Ignition Timing: Precision-timed trial for ignition (TFI) periods prevent excess gas buildup, maintaining safe and consistent startup.
- Durable Flame Sensing: High-sensitivity circuitry handles microamp flame signal monitoring to prevent nuisance outages.
Common Questions:
What causes a lockout on the HM56SERIES308 control?
Lockout typically occurs after three failed trials for ignition. This can be caused by a cracked ceramic insulator on the spark electrode, a dirty flame sensor, or inadequate grounding of the burner assembly.
Can this board replace an intermittent pilot ignition system?
No, this is a Direct Spark Ignition (DSI) control intended for systems where the spark ignites the main burners directly. It is not compatible with standing pilot or intermittent pilot gas valves.
How do I verify the flame signal on this module?
Technicians should measure the DC microamps in series with the flame sense lead. A stable reading above 1.0 microamp is generally required for the ignition module to maintain the gas valve circuit.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
