Core Functionality and Application
The Honeywell R7140L1009 burner control module manages the complete firing sequence for single-burner combustion systems. It automates prepurge, ignition, flame supervision, and safety shutdown procedures. This module supports gas, oil, coal, or combination fuels, making it suitable for diverse industrial applications . It also serves as a direct upgrade replacement for legacy R4140L and BC7000 controls .
Technical Specifications
The following table details the core technical parameters for the Honeywell R7140L1009:
| Parameter | Specification |
|---|---|
| Model Number | R7140L1009 |
| Module Type | Burner Control Module |
| Operating Voltage | 120 VAC (+10/-15%), 50/60 Hz |
| Fuel Compatibility | Gas, Oil, Coal, or Combination Fuels |
| Pilot Type | Interrupted Pilot |
| Pilot Flame Establishing Period | 4 or 10 seconds (selectable) |
| Main Flame Establishing Period | 10 or 15 seconds (selectable) |
| Post Purge Duration | 15 seconds |
| Dimensions (W × H × D) | 12.7 cm × 12.7 cm × 9.6 cm (5 × 5 × 3.78 in) |
| Weight | 0.91 kg (2.0 lbs) |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Certifications | UL508, CSA, CE, TUV |
Design and Installation Features
The Honeywell R7140L1009 features a microprocessor-based design that provides enhanced reliability and advanced diagnostic capabilities . It uses the existing Q520A Wiring Subbase, which simplifies installation and reduces downtime during upgrades . Moreover, the module includes site-configurable jumpers that allow technicians to adjust timing parameters on-site . The Run/Test switch also facilitates burner adjustments during commissioning and maintenance .
System Integration Requirements
This control module requires additional components for a complete system. You must pair the Honeywell R7140L1009 with an ST7800 Purge Timer card, which determines the prepurge duration . Furthermore, you need an appropriate R78XX Flame Signal Amplifier to complete the flame detection circuit . The module provides 4 SPDT relay outputs rated at 10A for controlling external devices .
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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