R7999A1005 | Honeywell ControLinks Fuel Air Controller

Honeywell · PLCs & Industrial Controllers

Description  The Honeywell R7999A1005 is a ControLinks™ fuel-air controller designed for precise, coordinated control of fuel and air mixtures in commercial and industrial burner systems. Operating on 100–120 VAC, it enables high-efficiency combustion using modulating actuator profiles and supports both local and remote reset functionality.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category HVAC Part Number R7999A1005 Subcategory HVAC Accessory & Rebuild Kit & Seal Kit Input Voltage 100–120 VAC Compatible Actuators ML7999 Universal Parallel Positioning Actuators Profile Support 7 to 24 Modulating Points Reset Method Remote Reset Input Supported Operating Temperature -40°F to +140°F (-40°C to +60°C) System Integration Burner Management and Combustion Control Systems Weight 2.00 lbs       Information About R7999A1005 The R7999A1005 is a key component in Honeywell’s ControLinks parallel positioning system, engineered to control the ML7999 series universal actuators. It supports modulating profiles with 7 to 24 control points, enabling tailored fuel-air ratio control across the burner firing range. Designed for integration into boiler and burner management systems, the unit features a remote reset input, making it suitable for installations requiring offsite or automated recovery functions. It operates in ambient conditions ranging from -40°F to 140°F, ensuring reliable performance in both indoor and outdoor enclosures.  Key Features: Multi-Point Fuel/Air Profiles: Supports 7–24 point profile configurations for accurate modulation of combustion systems. Designed for ML7999 Actuators: Seamlessly coordinates fuel and air control through parallel positioning logic. Remote Reset Capability: Accepts external input to reset controller without manual access. Wide Ambient Operating Range: Functions in extreme environments from -40°F to 140°F. Microprocessor-Based Control: Offers reliable, repeatable actuator positioning and fault handling. Flexible Installation: Compatible with various burner management systems and control panel designs. AC Powered: Operates on standard 100–120 VAC for straightforward wiring in boiler rooms. Combustion Efficiency Optimization: Reduces fuel consumption and emissions by tightly regulating air/fuel ratio. The R7999A1005 enhances burner system performance by providing scalable control over fuel-air ratio and coordinated modulation of actuators.

Brand: Honeywell · Category: PLCs & Industrial Controllers

Key features

• Multi-Point Fuel/Air Profiles: Supports 7–24 point profile configurations for accurate modulation of combustion systems.
• Designed for ML7999 Actuators: Seamlessly coordinates fuel and air control through parallel positioning logic.
• Remote Reset Capability: Accepts external input to reset controller without manual access.
• Wide Ambient Operating Range: Functions in extreme environments from -40°F to 140°F.
• Microprocessor-Based Control: Offers reliable, repeatable actuator positioning and fault handling.
• Flexible Installation: Compatible with various burner management systems and control panel designs.
• AC Powered: Operates on standard 100–120 VAC for straightforward wiring in boiler rooms.
• Combustion Efficiency Optimization: Reduces fuel consumption and emissions by tightly regulating air/fuel ratio.

Specifications

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