RM7840L1075 Honeywell Programmer Control
$2,520.00
3 in stock
UPC: 085267265416
RM7840L1075 Honeywell Programmer Control Datasheet
RM7840L1075 Honeywell Programmer Control Installation Manual
RM7840L1075 Honeywell Programmer Control
The Honeywell RM7480L1075 AUTO PROGRAMMING Control W/MODULATION, MEETS FM & IRI REQ. PROVIDES PREIgnition, LOCKOUT, HIGH & LOW FIRE INTERLOCKS, SELECT PREPURGE TIMINGS, 4 OR 10 SEC PFEP, PREIgnition CHECK DURING POSTPURGE, 5 LEDS, & 5 FUNC. RUN TEST Switch.
Overview
The Honeywell RM7840L1075 is a microprocessor-based programming burner control from the 7800/7840 Series, engineered for industrial and commercial single-burner applications. It provides precise sequencing, flame supervision, post-purge logic, and built-in self-diagnostics. Designed for dependable operation, this module supports low-fire/high-fire proving and requires a compatible display module for programming and monitoring.
This control delivers reliable performance in demanding burner management environments where safety, efficiency, and serviceability are critical.
Features
Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and trouble shooting.
- Access for external electrical voltage checks.
- Application flexibility and communication interface capability.
- Five LEDs provide sequence information. Power LED blinks fault code on Lockout.
- Five function Run/Test Switch.
- Interchangeable plug-in flame amplifiers.
- Local or remote annunciation of operation and fault information (optional).
- Nonvolatile memory retains history files and lockout status after loss of power.
- Compatible with existing Honeywell flame detectors.
- RM7800 Requires S7800A1142 Keyboard Display Module.
- Keyboard required to setup Valve Proving Feature and change post purge time.
Product Specifications
| Application | Programming Control w/VPS |
| Dimensions (in.) | 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase |
| Weight (lb) | 1 lb 10 oz |
| Weight (kg) | 7 kg |
| Comments | Requires S7800A1142 Display, LHL-LF&HF Proven |
| Frequency | 50 Hz; 60 Hz (±10%) |
| Approvals, Underwriters Laboratories Inc. | Component Recognized, File No. MP268; Guide No. MCCZ. |
| Voltage | 120 Vac (+10, -15%) |
| Shipping and Storage Temperature Range (F) | -40 F to +140 F |
| Approvals, Federal Communications Commission | FCC Part 15, Class B, Emissions. |
| Flame Establishing Period – Pilot | 4 sec or 10 sec |
| Flame Establishing Period – Main | 10 sec or 15 sec |
| Interlocks | Lockout |
| Preignition | Yes |
| PrePurge | Determined by ST7800A Purge Timer Card |
| PostPurge | programmed with S7800A1142 display |
| Early Spark Termination | Yes, 5 sec |
| Required Components | Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card. |
| AirFlow Check | User selectable |
| Second Stage Pilot Valve | selectable |
| Pilot Type | interrupted |
| Vibration | 5 G environment |
| Approvals, Factory Mutual | Report No. 1V9AO.AF. |
Applications
The RM7840L1075 is ideal for a wide range of burner management systems and industrial heating applications, including:
Industrial and commercial boilers
Furnaces and process heating systems
Gas, oil, or dual-fuel burner systems
High-performance process burners requiring advanced sequencing
Retrofit or upgrade projects replacing legacy burner controls
Benefits
Enhances burner safety with advanced sequencing and purge verification
Simplifies troubleshooting using LED indicators and stored fault history
Provides flexible configuration options for multiple ignition setups
Designed for easy installation, service, and replacement
Reliable operation in demanding industrial and commercial environments
More Information
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
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