The Honeywell S9200U is a solid-state electronic ignition control for single-stage gas-fired heating and cooling appliances. It manages ignition sequencing, flame monitoring, and safety lockouts in a single integrated unit, simplifying furnace management and enabling advanced diagnostics. Microprocessor-controlled operation ensures precise sequencing and safety compliance across residential natural gas and liquid propane systems.
## Technical Specifications
• Line Voltage: 120 VAC (97–132 VAC), 60 Hz
• Low Voltage: 24 VAC (19–30 VAC), 60 Hz
• Ignitor Voltage: 120 VAC (HSI)
• Igniter Current: 5.0 A resistive @ 132 VAC output
• Pre-purge Time: 30 seconds
• HSI Warm-up: 17/27 or 30/30 seconds (1st/next trial)
• Trial for Ignition: 4, 6, or 8 seconds (DIP switch configurable)
• Post-purge Time: 15 seconds
• Inter-trial Purge: 60 seconds
• Auto Restart Delay: 60 minutes (after Soft Lockout)
• Ignition Trials: Three (two retries if flame not sensed on first trial)
• Flame Failure Response Time: 2 seconds maximum @ 1 µA
• Thermostat Anticipator Setting: 100 mA (Stage 1)
• Operating Temperature: −40 to 175 °F (−40 to 79 °C)
• Operating Humidity: 0% to 95% non-condensing
## Key Features
• Hot surface igniter (HSI) for main burner ignition at 120 VAC
• Flame rectification circuit for presence monitoring
• Safety monitoring of pressure switch, high-temperature limit, and rollout functions
• Microprocessor control of sequencing and safety functions
• Fan control for induction-type circulating motors
• Tri-color LED status indication (Red/Amber/Green)
• EnviraCOM™ communication for local and remote diagnostics
• Twinning capability support
• Replaces over 195 existing furnace controls with compatible wire harnesses
## Typical Applications
Residential natural gas and liquid propane furnaces requiring single-stage heating and cooling control with integrated ignition, flame sensing, and safety lockout.
## Compatibility & Integration
• Conventional 24 VAC single-stage heat/cool thermostats
• VisionPRO and FocusPRO EnviraCOM™-enabled thermostats
• Compatible with QuickLook handheld diagnostics, EnviraLNK web application, and W8735D Telephone Access Module
