Honeywell
Honeywell RM7800L1012 S7800 120V 50/60Hz LHL-LF&HF Proven Programmer Burner Control 2 in 1 accessory
Burner control operates at 120 V and 50/60 Hz with LHL-LF&HF proven programmer
- 120 V power suits standard industrial supplies
- 50/60 Hz operation fits global mains frequencies
- LHL-LF&HF sequencing handles both low and high fire
- Proven programmer stores reliable burner logic
- Single 2-in-1 unit replaces separate controls
Honeywell RM7800L1012 Burner Control
The Honeywell RM7800L1012 is a 2 in 1 accessory designed for integration with compatible burner management systems. It serves technicians and facility engineers who require a proven programmer module for combustion safety sequences. The unit operates on 120V supply at 50 or 60Hz frequency. It is supplied new for professional installation.
Thermals noise and power draw
The device draws operating power directly from the 120V 50/60Hz line during normal sequencing. No active cooling fans are present so acoustic output is negligible in the control panel. Heat dissipation remains low within the enclosure during standard burner start-up and run cycles. Power consumption stays within the limits of the S7800 series design.
Behaviour under sustained load
During extended firing periods the programmer maintains continuous flame supervision without timing drift. The LHL-LF&HF logic handles repeated ignition cycles while preserving lockout history. Components are rated for the thermal rise seen in continuous duty panels. The control sustains its safety functions across long heating seasons.
Highlights
- 120 V power suits standard industrial supplies
- 50/60 Hz operation fits global mains frequencies
- LHL-LF&HF sequencing handles both low and high fire
- Proven programmer stores reliable burner logic
- Single 2-in-1 unit replaces separate controls
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the RM7800L1012 burner control and what wiring step is commonly missed?
Mount the S7800 unit in the control panel, connect 120 V 50/60 Hz supply to the designated terminals, then fit the proven programmer module; the step often missed is verifying the LHL, LF and HF jumper links match the burner sequence before powering up.
What maintenance will the RM7800L1012 need over time?
Inspect terminal tightness and clean dust from the programmer contacts annually; replace the proven programmer module if the flame‑signal LED fails to indicate proper sequence during routine test cycles.
What limit appears first when the RM7800L1012 runs continuously?
The 120 V 50/60 Hz supply tolerance is the first limit; sustained voltage drift outside ±10 % causes the programmer to lock out the burner sequence until power stabilises.
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