R7795A1001 | Honeywell Primary Flame Safeguard Burner Control

Honeywell · Relays, Contactors & Switches

Description  The Honeywell R7795A1001 is a full-function primary flame safeguard control that provides critical flameout protection and burner management for commercial and industrial oil-fired burners. Featuring ultraviolet flame sensing, intermittent pilot support, and integrated safety features, it ensures safe burner operation and reliable system shutdown during fault conditions.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Safety Systems Part Number R7795A1001 Subcategory Safety Relay Flame Sensing Type Ultraviolet (UV) – Purple-coded amplifier Voltage 120 VAC Frequency 50 / 60 Hz Prepurge Timer Options 1.5, 7, 10, 30, 60, or 90 seconds (plug-in) Temperature Range -40°F to 135°F Fuel Type Oil Airflow Verification Line voltage airflow switch supported Mounting Base Q795A Subbase (2 captive screws) Dimensions 5" H × 5" W × 5-1/4" D Weight 2.96 lbs       Information About R7795A1001 The R7795A1001 burner control is part of Honeywell’s robust flame safeguard product line and is designed for use in oil-burning systems that require interrupted ignition or intermittent pilot sequences. Operating at 120 VAC and supporting 50/60 Hz frequency, this control includes alarm contacts and a plug-in prepurge timer (configurable from 1.5 to 90 seconds). It uses a color-coded UV amplifier (purple) to detect flame presence and supports automatic lockout if flame is sensed at an incorrect time—preventing unsafe startups. The unit is mounted on a Q795A subbase and features a line-voltage airflow switch to verify airflow during the prepurge and run cycles.  Key Features: Ultraviolet Flame Detection: Supports UV flame sensing through a purple-coded amplifier for reliable flame signal recognition. Prepurge Timer Compatibility: Accepts plug-in timers with durations from 1.5 to 90 seconds for prepurge sequencing. Intermittent Pilot and Interrupted Ignition: Provides flexible burner startup sequences to fit various system designs. Alarm and Lockout Functions: Offers flame failure lockout and alarm output to alert operators to unsafe conditions. Wide Temperature Range: Operates reliably from -40°F to 135°F in challenging industrial environments. Mounting Simplicity: Installs on a Q795A subbase using two captive screws for fast service and replacement. Airflow Verification: Includes line-voltage airflow switch support to ensure proper combustion air during operation. The R7795A1001 safeguards combustion processes by coordinating safe ignition, flame sensing, and emergency shutdown operations.

Brand: Honeywell · Category: Relays, Contactors & Switches

Key features

• Ultraviolet Flame Detection: Supports UV flame sensing through a purple-coded amplifier for reliable flame signal recognition.
• Prepurge Timer Compatibility: Accepts plug-in timers with durations from 1.5 to 90 seconds for prepurge sequencing.
• Intermittent Pilot and Interrupted Ignition: Provides flexible burner startup sequences to fit various system designs.
• Alarm and Lockout Functions: Offers flame failure lockout and alarm output to alert operators to unsafe conditions.
• Wide Temperature Range: Operates reliably from -40°F to 135°F in challenging industrial environments.
• Mounting Simplicity: Installs on a Q795A subbase using two captive screws for fast service and replacement.
• Airflow Verification: Includes line-voltage airflow switch support to ensure proper combustion air during operation.

Specifications

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