The Honeywell RM7840G1006 is a microprocessor-based modulating burner control for single-burner gas, oil, or combination fuel systems. It offers selectable flame amplifier and prepurge timing, ensuring proper burner operation and flame supervision for controlled startup and shutdown.
Technical Specifications
- Manufacturer: Honeywell
- Part Number: RM7840G1006
- Product Type: Burner Control Relay Module
- Series: 7800 SERIES
- Supply Rating: 120 VAC, 50 Hz
- Ignition Timing:
- PFEP 4 or 10 sec
- MFEP 10, 15, or 30 sec
- Postpurge 15 sec
- Pilot Type: INTM Pilot; INTR Pilot
- Prepurge Type: Damper Position 4-wire LHL LF PRV; Air Flow Proven
- Interlocks:
- Running
- Preignition
- Lo-fire
- Dynamic Air Flow Switch Check (Configurable 4)
- Run/Test Switch
- Display Module: Without Keyboard Display Module
Key Features and Functionality
- Automatic Sequencing: Controls the burner’s startup and shutdown sequences.
- Flame Supervision: Monitors flame presence during operation.
- Selectable Timing: Supports PFEP 4 or 10 sec and MFEP 10, 15, or 30 sec.
- Airflow Interlocks: Verifies airflow, proven, and dynamic switch checks.
- SIL Capability: SIL 3 capable in properly designed systems.
Compliance and Approvals
- UL Listed
- CSA Certified
- FM Approved
- SIL 3 Capable when properly installed
Installation and Operational Notes
- Installation by a trained flame safeguard technician only.
- Verify product ratings before installation.
- Check the operation after system installation.
- Configure prepurge and ignition timing as required.
- Confirm airflow is proven before burner startup.
Series Information
Honeywell 7800 SERIES Relay Modules
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