RM7840L2018 Honeywell Burner Control
$3,403.80
Programmer Ctrl. LHL-LF&HF Proven Purge;AUTO PROGR.CTRL,W/LOCKOUT
The RM/EC7800 2000 Series must be used with subbases Q7800A2005/U, Q7800B2003/U, Q7800B2011/U
RM7840L2018 Honeywell Burner Control Datasheet
Overview
The Honeywell RM7840L2018 is a robust, microprocessor-based burner control from the 7800/7840 Series, designed for industrial and commercial single-burner applications. It delivers flame supervision, automatic sequencing, and lockout diagnostics to ensure safe and efficient burner operation in gas, oil or dual-fuel systems.
This module supports advanced features like proven-purge, multiple timing options, and non-volatile fault memory to simplify service and improve system reliability.
Features
Functions include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting.
- Subbase, amplifier, and prepurge timer are required for operation.
- Options include 2 line VDF keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, and 4-LINE LCD keyboard display module.
- Five LEDs provide sequence information.
- Interchangeable plug-in flame amplifiers.
- Optional remote annunciation of operation and fault information.
- Nonvolatile memory retains history files and sequencing status after power loss.
- Optional remote reset capability.
- Optional report generation. Selectable relight or lockout on loss of flame.
- Airflow switch check.
Product Specifications
| Application | Programming Control |
| 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 |
| Dimensions (mm) | 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase |
| Weight (lb) | 1 lb 13 oz |
| Weight (kg) | 0.8 kg |
| Comments | LHL-LF&HF Proven |
| Frequency | 50 Hz; 60 Hz (±10%) |
| Approvals, Underwriters Laboratories Inc. | Component Recognized, File No. MP268; Guide No. MCCZ. |
| Approvals, Canadian Standards Association | Certified, File No. LR95329-3. |
| Voltage | 120 Vac (+10, -15%) |
| Shipping and Storage Temperature Range (F) | -40 F to +140 F |
| Shipping and Storage Temperature Range (C) | -40 C to +60 C |
| 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 | 15 sec |
| 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 | Interrupted |
| Pilot Type | interrupted |
| Vibration | 0.5 G environment |
| Approvals, Control Safety Devices | Acceptable: CSD-1 |
| Approvals, Swiss RE | Acceptable |
| Approvals, Factory Mutual | Report No. OX4A5.AF. |
Applications
The RM7840L2018 is perfect for burner management in:
-
Industrial and commercial boilers and furnaces
-
Process heating systems with gas, oil or combination fuel burners
-
Retrofit projects upgrading older control modules
-
Systems requiring flame supervision, diagnostics and service-friendly features
Benefits
-
Improves burner safety through sequencing, flame supervision and proven-purge logic
-
Simplifies maintenance with diagnostic LEDs and retained fault history
-
Flexible timing settings adapt to diverse burner types and configurations
-
Modular, compatible design streamlines installation and replacement
-
Built for demanding commercial/industrial environments
More Information
| Weight | 4 lbs |
|---|---|
| Dimensions | 9 × 9 × 9 in |
Be the first to review “RM7840L2018 Honeywell Burner Control”
You must be logged in to post a review.
Related Product(s)
Reviews
There are no reviews yet.