Core Functionality and Application
The Honeywell RM7800L1053 programming burner control manages the entire firing sequence for single-burner combustion systems . It automates prepurge timing, pilot ignition, main flame establishment, and safety shutdown procedures . This microprocessor-based controller supports gas, oil, coal, or combination fuels, making it suitable for diverse industrial heating applications . Furthermore, the device includes an S7800 keyboard display module for real-time system status and diagnostics .
Technical Specifications
The following table details the core technical parameters for the Honeywell RM7800L1053:
| Parameter | Specification |
|---|---|
| Model Number | RM7800L1053 |
| Product Type | Programming Burner Control (Relay Module) |
| Operating Voltage | 120 VAC (+10/-15%), 50/60 Hz |
| Power Consumption | 10 W maximum (relay module) |
| Maximum Connected Load | 2000 VA |
| Fusing | 15 A maximum, Type SC Fast Blow |
| Pilot Type | Interrupted Pilot |
| Pilot Flame Establishing Period | 4 or 10 seconds (selectable) |
| Main Flame Establishing Period | 10 seconds (intermittent) |
| Post Purge Duration | 15 seconds |
| Early Spark Termination | 5 seconds |
| Dimensions (W × H × D) | 12.7 cm × 12.7 cm × 13.3 cm (5 × 5 × 5.25 in) |
| Weight | 0.7 kg (1.6 lbs) |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Storage Temperature | -40°C to +66°C (-40°F to +150°F) |
| Operating Humidity | 85% RH continuous, non-condensing |
Design and Installation Features
The Honeywell RM7800L1053 features a robust microprocessor-based design that provides enhanced reliability and advanced diagnostic capabilities . It mounts on a Q7800A or Q7800B universal wiring subbase, which simplifies installation and reduces downtime . Additionally, the module includes five LED indicators that provide real-time sequence and fault status information . The five-position Run/Test switch facilitates convenient burner adjustments during commissioning and maintenance .
System Integration Requirements
This programming burner control requires additional components for a complete system. You must pair the Honeywell RM7800L1053 with an ST7800A plug-in purge timer card to determine the prepurge duration . Furthermore, you need an appropriate flame amplifier (R7847, R7848, R7849, R7851, R7852, R7861, or R7886) to complete the flame detection circuit . The controller provides non-volatile memory that retains lockout data and operational history after power loss .
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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