Product Description
Product Overview
| Field | Details |
|---|---|
| Manufacturer | Honeywell |
| Part Number | RM7800L1079 |
| Product Type | Microprocessor-Based Integrated Burner Control |
| Function | Controls automatically fired gas, oil, coal, or combination fuel single burner applications |
| System Compatibility | Cleaver-Brooks labeled (CB780, 833-2718); integrates with S7800A1142 Keyboard Display Module |
| Status | Discontinued by manufacturer |
Functional Specifications
| Feature | Specification |
|---|---|
| Control Type | Automatic program control with low-high-low fire and proven low fire purge |
| Flame Establishing Period | Pilot: 4 or 10 seconds (selectable); Main: 10 or 15 seconds (selectable) |
| Purge Timing | 30 seconds |
| Interlocks | Preignition, lockout, high and low fire interlocks |
| Pilot Type | Interrupted |
| Safety Features | Flame supervision, burner sequencing, system diagnostics, safety shutdown |
| Diagnostics | Microprocessor-based with fault code reporting via S7800A1142 display |
| Configuration | Programmable via S7800A Keyboard Display Module |
| Compatibility | Supports various flame sensors (e.g., UV, IR, flame rod) |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage | 120 VAC, 50/60 Hz |
| Power Consumption | 10 W typical |
| Flame Failure Response Time | 0.8 or 3 seconds (depending on flame amplifier) |
| Output Relays | Controls for pilot, main fuel valve, ignition, and blower motor |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | -40°C to 60°C (-40°F to 140°F) |
| Storage Temperature | -40°C to 66°C (-40°F to 150°F) |
| Relative Humidity | Operating: 0% to 90% non-condensing |
Physical Specifications
| Parameter | Specification |
|---|---|
| Mounting | Mounts on Q7800 subbase |
| Dimensions | 5 x 5 x 5.25 inches (127 x 127 x 133 mm, with subbase) |
| Weight | 1.8 lb (0.82 kg, approximate) |
| Status Indicators | LEDs for power, flame, and alarm status |