HONEYWELL R7795B1009 120 Vac Primary Controls with 3 sec flame failure response time and 10 to 15 second safety switch timing. Provide solid state, electronic flame safeguard protection for commercial and industrial single or dual fuel burners.
• Include flame signal amplifiers that are color-coded: purple for ultraviolet and green for rectification.
• Require a plug-in prepurge timer of 1.5, 7, 10, 30, 60, or 90 seconds.
• Mount on a Q795A Wiring subbase with two captive screws.
• Include line voltage airflow switch to prove airflow from the start of prepurge through the run period.
• Prevent start-up with lockout if flame or a flame simulating failure exists.