Honeywell R7999A1005 ControLinks Fuel Air Controller – Smart Burner Management

Technical Specifications

• Brand & Model: Honeywell, R7999A1005 ControLinks Fuel Air Controller.
• Power Supply: 100-120VAC, 50/60 Hz – two models cover global use.
• Actuator Compatibility: Directly controls ML7999 universal parallel positioning actuators.
• Profile Points: 7 to 24 point profiles for fuel, air, and FGR (Flue Gas Recirculation).
• Remote Reset Input: Accepts external signals for offsite or automated recovery.
• Ambient Temperature Range: -40°F to +140°F (-40°C to +60°C).
• Humidity Tolerance: 90% RH maximum non-condensing operating humidity.
• Anti-Interference: Microprocessor-based logic with built-in shock protection algorithms.
• Communication Port: Multipurpose port for PC/laptop fast burner setup.
• Mounting: Pluggable controller to wiring subbase for easy replacement.
• Approvals: UL, FM, CSA, CE approved; meets CSD-1 and NFPA standards.

Key Features & Benefits

• Fast PC-based configuration: Download fuel, air, and FGR profiles from a laptop.
• Two independent fuel profiles: Support configurations with or without FGR.
• Programmable actuator behaviors: Set actions during Purge, Standby, and for non-selected fuel actuators.
• Independent lightoff & min modulation positions: Fine-tune startup and low-fire performance.
• Auto/Manual input plus manual firing rate input: Gives operators flexible control.
• Integrated boiler shock protection: Includes water temp low fire hold, stack temp low fire hold, and FGR low fire hold.
• Selectable FGR hold based on stack temperature: Prevents condensation damage.
• Maximum modulation limit capability: Stops over-firing for safety.
• Automated actuator endpoint seeking: Saves installation time and ensures full travel.

Frequently Asked Questions (FAQ)

• Q: Does the R7999A1005 ControLinks Fuel Air Controller work with other actuators?
  A: It specifically controls Honeywell ML7999 universal parallel positioning actuators.
• Q: Can I use this controller for both fuel and air with FGR?
  A: Yes, it supports fuel, air, and FGR profiles simultaneously.
• Q: What happens during a power loss?
  A: The controller saves its settings in non-volatile memory and restores them on reboot.
• Q: How many profile points can I set?
  A: You can configure from 7 to 24 points per profile.
• Q: Is the remote reset input isolated?
  A: Yes, the remote reset input accepts a dry contact signal without external power.
• Q: Does this controller work in freezing environments?
  A: Yes, its ambient rating goes down to -40°F safely.

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