Honeywell RM7800L1046 Burner Control Overview
The Honeywell RM7800L1046 is a microprocessor-based integrated burner control designed for safe, reliable, and efficient management / automatically fired gas, oil, or combination fuel single-burner systems. It provides advanced safety checks, flame supervision, and diagnostic features for demanding industrial and commercial applications.
Applications
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Industrial and commercial single-burner boilers and furnaces
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Gas, oil, or dual-fuel systems requiring enhanced safety and flame detection
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Applications needing programmable purge and flame failure response
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Installations requiring SIL 3-capable safety instrumentation
Advantages
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SIL 3 capable in properly designed systems
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Adjustable purge and post-purge times for optimal combustion safety
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Real-time diagnostics with detailed fault history
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First-out annunciation with optional expanded display
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Robust safety logic with dynamic self-check features
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Compatible with Modbus™ for remote monitoring
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Non-volatile memory retains critical data after power loss
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Wide operating temperature and humidity tolerance for harsh environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Dimensions | 127 × 127 × 133 mm |
| 重量 | 0.7 kg |
| Supply Voltage | 120 Vac ±10%, 50/60 Hz ±10% |
| Power Dissipation | Max. 10 W (Relay), 3 W (Display) |
| Operating Temperature | -40°C to 60°C |
| Storage Temperature | -40°C to 66°C |
| Humidity | 85% RH non-condensing |
| Flame Failure Response Time | 0.8 to 3.0 sec (amplifier dependent) |
| Max Connected Load | 2000 VA |
| Fusing | 15A fast blow |
| Mounting Options | Panel, wall, or burner mount |
FAQ
Q1: What fuels does the RM7800L1046 support?
A1: It supports natural gas, oil, or dual-fuel systems.
Q2: Is it SIL 3 certified?
A2: It is SIL 3 capable when used in a properly designed system with compatible components.
Q3: How is the post-purge time adjusted?
A3: The post-purge time is adjustable up to 60 minutes via the setup interface.
Q4: Can it communicate with building management systems?
A4: Yes, it supports Modbus™ for integration with building or plant management systems.
Q5: Does it store fault history?
A5: Yes, it records the six most recent faults with detailed diagnostics.
Q6: What is the flame failure response time?
A6: Depending on the flame amplifier used, it ranges from 0.8 to 3.0 seconds.
Q7: Does it include a display?
A7: Yes, a vacuum fluorescent display (VFD) module provides real-time status and fault information.
Q8: Is remote reset possible?
A8: Yes, an optional remote reset module can be connected.
Q9: What safety checks are performed?
A9: It includes interlock checks, dynamic relay and input tests, tamper-resistant timing, and more.
Q10: What is the maximum ambient temperature rating?
A10: The 台 operates up to 60°C and can be stored up to 66°C.
Related モデルs (Same Series)
| モデル | 説明 | Dimensions (mm) | 重量 (kg) |
|---|---|---|---|
| RM7800E | Relay Module, standard features | 127×127×133 | 0.7 |
| RM7800G | Relay Module, for modulating systems | 127×127×133 | 0.7 |
| RM7800M | Relay Module, on//f control | 127×127×133 | 0.7 |
| RM7800L1087 | Relay Module, with VPS features | 127×127×133 | 0.7 |
| S7800A1001 | Keyboard Display Module, English | 127×127×133 | 0.1 |
| S7810M1003 | Modbus™ Communication Module | 127×127×133 | 0.1 |
Popular Honeywell モデルs
| モデル | 説明 | Dimensions (mm) | 重量 (kg) |
|---|---|---|---|
| RM7890A | Basic Burner Control Module | 127×127×133 | 0.7 |
| RM7840L | Burner Control with Lockout Annunciator | 127×127×133 | 0.7 |
| R7999A | Integrated Boiler Control Module | 127×127×133 | 0.7 |
| R7861A | Self-Check UV Flame Amplifier | 127×127×133 | 0.1 |
| C7012A | Ultraviolet Flame Detector | 127×127×133 | 0.1 |
| C7027A | Minipeeper UV Flame Detector | 127×127×133 | 0.1 |
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