The Honeywell RM7898A1000 burner control manages industrial combustion systems with advanced safety features. This unit weighs 0.58 kg and measures 14.0 cm x 10.5 cm x 8.0 cm. It provides flame monitoring, ignition control, valve actuation, and self-diagnostics. The controller contains one microprocessor, two flame amplifiers, eight relay outputs, and one LED display. For energy storage, it includes one 1000µF capacitor and one backup battery. Consequently, the Honeywell RM7898A1000 retains safety parameters during power interruptions.
Technical Specifications
The table below lists all verified parameters for the Honeywell RM7898A1000. Use this data for your system integration planning.
| Parameter | Value |
|---|---|
| Manufacturer | Honeywell |
| Model | RM7898A1000 |
| Category | Burner Control |
| Weight | 0.58 kg |
| Dimensions (L x W x H) | 14.0 cm x 10.5 cm x 8.0 cm |
| Flame Monitoring | UV, IR, or rectification sensors |
| Flame Amplifiers | 2 units (redundant) |
| Relay Outputs | 8 relay outputs |
| LED Display | 4-digit, 7-segment |
| Onboard Components | 1 microprocessor, 2 amplifiers, 8 relays, 1 display |
| Energy Storage | 1x 1000µF capacitor, 1 backup battery |
| Battery Type | Lithium (non-rechargeable) |
| Battery Life | 5 years typical |
| Capacitor Hold-up Time | 200 milliseconds |
| Power Supply | 120V AC or 240V AC ±15% |
| Power Consumption | 20 VA |
| Flame Response Time | 0.8 to 6 seconds (adjustable) |
| Pre-ignition Timer | 5 to 60 seconds (adjustable) |
| Post-ignition Timer | 5 to 30 seconds (adjustable) |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Flame Monitoring Features
The Honeywell RM7898A1000 accepts UV, IR, or rectification flame sensors. Two redundant flame amplifiers provide fail-safe signal processing. Therefore, this controller meets stringent safety standards for industrial burners. The flame response time adjusts from 0.8 to 6 seconds. Consequently, you can optimize the controller for different fuel types and combustion processes.
Timing and Control Functions
This burner control includes adjustable pre-ignition and post-ignition timers. The pre-ignition timer ranges from 5 to 60 seconds for purge cycles. The post-ignition timer spans 5 to 30 seconds for flame stabilization. Hence, the Honeywell RM7898A1000 accommodates large industrial burner systems. Eight relay outputs control the ignition transformer, fuel valves, blowers, and alarms.
Diagnostics and Display
The 4-digit, 7-segment LED display shows operating status and fault codes. This display helps technicians troubleshoot problems quickly. Therefore, downtime decreases significantly during maintenance events. The controller performs continuous self-diagnostics on all critical circuits. Thus, the Honeywell RM7898A1000 detects internal faults before they cause unsafe conditions.
Safety and Energy Storage
The Honeywell RM7898A1000 includes a 1000µF capacitor for short-term ride-through. This capacitor provides 200 milliseconds of hold-up time during power dips. Additionally, a lithium battery retains safety parameters for up to 5 years. Thus, the controller remembers its configuration even after extended power outages. The battery also maintains the event log and real-time clock.
Installation and Wiring
You can mount the Honeywell RM7898A1000 on a standard DIN rail. Alternatively, secure it with M4 screws through its four mounting tabs. The unit uses 14-pin and 10-pin terminal blocks for all field connections. Use shielded cables for flame sensor wiring to prevent false signals. The Honeywell RM7898A1000 works seamlessly with the RMS-TSG-TZ-C static trip unit.
Environmental Durability
This burner control operates reliably from -20°C to +60°C. It also withstands 90% relative humidity without condensation. The unit survives vibration up to 1g from 10 to 150 Hz. Therefore, the Honeywell RM7898A1000 suits demanding industrial boiler and furnace applications perfectly.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
Reviews
There are no reviews yet.