Honeywell RM7800L1079 Microprocessor‑Based Burner Management Control with Enhanced Diagnostics and Lockout Logic

Typical Industrial Applications

The Honeywell RM7800L1079 is engineered for automated burner management and is suitable for:

• Industrial boiler combustion and safety control

• Process heater management in manufacturing and utilities

• Commercial HVAC burner automation

• Power plant auxiliary burner systems

• Industrial ovens and furnaces requiring precise flame control

• Safety interlock and lockout combustion applications

Its ability to combine programmable control sequencing and diagnostic visualization makes it ideal for applications where both safety and rapid serviceability are key.

Key Advantages

Advanced Safety Lockouts
Automatic lockouts on flame loss or timing faults help maintain system safety and reduce risk of unsafe combustion conditions.

Integrated Display & Diagnostics
On‑board display and keypad provide clear status, fault codes, and configuration options directly at the controller.

Programmable Timer Logic
Supports customizable purge, ignition, flame verify, and run sequencing tailored to specific application requirements.

Industrial‑Grade Reliability
Rated for operation from –40 °C to +60 °C, suitable for harsh industrial environments.

Modular and Serviceable Design
Mounts on Honeywell 7800 Series standard bases with straightforward replacement or upgrade options.

Technical FAQs

1. What is the Honeywell RM7800L1079?
It is a microprocessor‑based burner management control module with advanced lockout logic and integrated display diagnostics.

2. What power supply does it require?
The module operates on 120 VAC, 50/60 Hz.

3. Does the RM7800L1079 include a display?
Yes — an integrated diagnostic display and keypad are included for local status and fault diagnostics.

4. What are its physical dimensions?
127 × 127 × 133 mm.

5. What is the approximate weight?
0.70 kg.

6. What flame detectors are supported?
Compatible with Honeywell flame amplifiers such as the R7847 and R7848.

7. What environments can it operate in?
From –40 °C to +60 °C, suitable for industrial combustion control environments.

8. What safety features are available?
Automatic lockout on flame loss, sequence failure, and retention of fault history.

9. Where is this controller typically installed?
Mounted on standard Honeywell 7800 Series base or subbase inside a combustion control cabinet.

10. Why choose the RM7800L1079?
Because it delivers programmable sequencing, enhanced safety lockout, and built‑in diagnostics in a rugged industrial package.