Honeywell RM7840L 1018 RM7840L1018

DESCRIPTION
The Honeywell RM7840L1018 is a microprocessor-based integrated burner control designed for monitoring and controlling industrial burners and boilers. It provides safe start-up, continuous operation, and safe shutdown of a burner system. This model includes advanced features such as lockout indication, an LED display, and Modbus communication, making it ideal for large-scale commercial and industrial combustion systems that require reliable flame supervision and diagnostics.

TECHNICAL SPECIFICATIONS
Model Number: RM7840L1018
Series: RM7800 Series
Control Type: Integrated Burner Control
Function: Primary safety control for automatically fired gas, oil, or combination fuel burners
Display: Yes – LED display for diagnostics and status
Communication: Modbus-compatible
Lockout: Yes – with detailed lockout codes
Inputs:
– Flame sensor
– Airflow switch
– Limit switch
Outputs:
– Ignition transformer
– Fuel valve control
– Alarm output
Operating Voltage: 120V AC, 50/60 Hz
Flame Detection Options: Compatible with Honeywell UV, IR, or rectification flame sensors
Mounting: Panel mount via Q7800A Subbase
Ambient Temperature: -40°F to +140°F (-40°C to +60°C)
Enclosure: Requires Q7800 series mounting base
Certifications: UL Listed, FM Approved, CE Marked
Manufacturer: Honeywell International