Honeywell RM7895A1014/U Microprocessor-based Burner Control

Overview

The Honeywell RM7895A1014/U is a microprocessor-based integrated burner control. It supports automatic operation for gas, oil, or combination fuel single burners. This controller belongs to the 7800 Series Relay Modules. It offers enhanced safety features, diagnostics, and precise control beyond conventional burner controls. The unit includes primary control with purge and supports intermittent pilot ignition. It also features LED fault annunciation for quick troubleshooting.

Technical Specifications

• Model Number: RM7895A1014/U

• Series: 7800 Series Relay Module

• Application: On-Off Primary Control with Valve Proving and Prepurge

• Voltage Rating: 120 VAC ±10%, 50/60 Hz

• Power Consumption: 10 W maximum

• Maximum Connected Load: 2000 VA

• Fusing: 15A maximum, type SC or equivalent (fast blow)

• Pilot Type: Intermittent Pilot

• Flame Establishing Period - Pilot: Selectable 4 or 10 seconds

• Flame Establishing Period - Main: Intermittent

• Interlocks: Selectable

• Prepurge: Set by the ST7800A Purge Timer Card

• Safety Features: Airflow switch check, dynamic safety relay test, tamper-resistant logic

• Flame Supervision: Compatible with plug-in flame amplifiers

• Display Options: Optional 2-line VFD or 4-line LCD Keyboard Display Module

• LED Indicators: 5 LEDs for sequence status

• Communication Options: PC interface, Data ControlBus™ Module, remote display

• Memory: Nonvolatile memory retains history after power loss

• Operating Temperature: –40°F to +140°F (–40°C to +60°C)

• Storage Temperature: –40°F to +140°F (–40°C to +60°C)

• Humidity: 85% relative humidity, non-condensing

• Vibration: 0.5G industrial environment