The Honeywell RM7888A1019 PLC-adaptable primary burner control delivers microprocessor-based flame management for industrial combustion systems. This versatile controller supports single or multiple burner applications using gas, oil, coal, or combination fuels . It provides automatic startup sequencing, flame supervision, and comprehensive self-diagnostics for reliable burner operation .
Technical Specifications of Honeywell RM7888A1019
The Honeywell RM7888A1019 primary control operates on a 120 Vac supply with +10%/-15% tolerance and supports 50 or 60 Hz frequencies (±10%) . It dissipates a maximum power of 10 W and handles a total connected load up to 2000 VA . The pilot flame establishing period is 4 seconds, while the main flame establishing period is 15 seconds . Nonvolatile memory retains history files and sequencing status after power loss . The module includes five sequence information LEDs and supports interchangeable plug-in flame amplifiers .
| Parameter | Specification |
|---|---|
| Model Number | Honeywell RM7888A1019 |
| Product Type | PLC-Adaptable Primary Burner Control |
| Application | Single or multiple burner, gas/oil/coal/combination fuels |
| Supply Voltage | 120 Vac (+10%, -15%) |
| Frequency | 50/60 Hz (±10%) |
| Power Dissipation | 10 W maximum |
| Max Connected Load | 2000 VA |
| Pilot Flame Period | 4 seconds |
| Main Flame Period | 15 seconds |
| Pilot Type | Selectable (intermittent or interrupted) |
| Dimensions (with Q7800A) | 127 mm x 127 mm x 133 mm (5″ x 5″ x 5.25″) |
| Dimensions (with Q7800B) | 127 mm x 127 mm x 155 mm |
| Weight | Approx. 0.74 kg (1 lb 10 oz) |
| Operating Temperature | -40 °C to +60 °C (-40 °F to +140 °F) |
| Storage Temperature | -40 °C to +66 °C (-40 °F to +150 °F) |
| Humidity | 85% RH continuous, non-condensing |
| Vibration | 0.5 G environment |
| Memory | Nonvolatile |
| Certification | UL Listed, FM Approved, CSA Certified, SIL3 Capable |
Key Features and System Architecture
The Honeywell RM7888A1019 primary control offers several advanced features for industrial burner management. It includes selectable run sequences and four line-voltage sequence control inputs for PLC integration . The controller provides first-out annunciation and comprehensive diagnostics through an optional keyboard display module . It records a fault history of the six most recent faults with time and sequence information . The module also features remote reset capability for convenient fault recovery . Dynamic safety features include closed-loop logic tests and safety relay checks .
Integration and Application
The Honeywell RM7888A1019 burner controller requires a Q7800 series wiring subbase and a compatible flame signal amplifier (R7847, R7848, R7849, R7851, R7852, R7861, or R7886) for full operation . Optional accessories include a keyboard display module, Modbus module, and remote display mounting kit . You can deploy this primary control for industrial boilers, process heaters, and commercial HVAC systems requiring reliable flame supervision and safety interlocking.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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