Advanced Microprocessor-Based Flame Supervision for Commercial Boilers
The Honeywell RM7840L1026 integrated burner control delivers comprehensive flame supervision for commercial and industrial combustion systems. This microprocessor-based unit provides automatic sequencing, dynamic self-checking, and first-out annunciation for rapid fault identification. The controller works with the 7800 SERIES relay module and requires a Q7800 subbase for proper installation. It supports both intermittent and interrupted pilot ignition sequences. This flexibility makes it suitable for a wide range of burner configurations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Product Type | Integrated Burner Control |
| Power Supply | 120 Vac (+10%/-15%), 50/60 Hz |
| Power Consumption | 10 W maximum |
| Maximum Connected Load | 2000 VA |
| Flame Detection Types | Rectification, UV scanner, PNR, PNP |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Storage Temperature | -40°C to +66°C (-40°F to +150°F) |
| Dimensions | 12.7 × 12.7 × 13.3 cm (5 × 5 × 5.25 in) |
| Weight | Approximately 0.82 kg (1.8 lb) |
| Mounting | Q7800 subbase (required) |
| Display | Optional S7800 Keyboard Display Module |
| Communication | Optional Data ControlBus™ Module |
| Safety Certification | UL, FM, CSA, CE, SIL 3 Capable |
Advanced Diagnostic and Safety Features
The Honeywell RM7840L1026 performs dynamic relay checks before every startup cycle. Extended safe-start checks verify system integrity before permitting burner operation. The nonvolatile memory stores fault history even after power interruptions. A purge card provides purge timing adjustment for specific applications. First-out annunciation pinpoints the initial cause of a shutdown.
Application Versatility and Integration
The Honeywell RM7840L1026 supports various fuels including gas, oil, or combination firing. It offers selectable pilot ignition modes (intermittent or interrupted) via configuration. The control also enables remote monitoring and reset through optional communication modules. The RM7840L1026 is a direct replacement for older models like RM7800L. The optional keyboard display simplifies local programming and troubleshooting tasks.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
Reviews
There are no reviews yet.