Commercial and industrial burners need reliable flame supervision. The Honeywell RM7800G1018 delivers microprocessor-based control for safe burner operation. This unit functions as a flame safeguard control from the 7800 Series. Honeywell designed this system for gas, oil, or combination fuel burners.
Technical Specifications & Dimensions
This burner control manages start-up sequences and flame monitoring tasks. The table below outlines its core technical parameters.
| Parameter | Specification |
|---|---|
| Power Supply | 120V AC, 50/60 Hz |
| Flame Detection Types | Rectification, UV, or infrared |
| Pre-purge Timing | Programmable (15 to 600 seconds) |
| Trial for Ignition | Programmable (2 to 15 seconds) |
| Inter-purge Timing | Programmable (5 to 120 seconds) |
| Post-purge Timing | Programmable (15 to 600 seconds) |
| Flame Failure Response | 4 seconds maximum |
| Lockout Type | Manual reset required |
| Operating Temperature | -40°F to +140°F (-40°C to +60°C) |
| Relay Contact Rating | 10A at 120V AC resistive |
| Unit Weight | 0.70 kg (1.54 lbs) |
| Dimensions (WxHxD) | 135 x 110 x 75 mm |
Construction and Interface Layout
This control features a rugged plastic housing with a clear status window. Such a design provides easy visibility of burner sequence steps. Furthermore, the Honeywell RM7800G1018 offers a front-accessible terminal strip for wiring. You will find 20 screw terminals on this interface. Each terminal accepts wire sizes from 0.2 to 2.5 mm². LED indicators show power, flame, and lockout status clearly.
Energy Storage and Processing Logic
Unlike electromechanical controls, this unit uses a dedicated microprocessor. The board includes capacitors for power supply filtering and transient protection. Consequently, the Honeywell RM7800G1018 provides precise timing regardless of voltage fluctuations. Non-volatile EEPROM stores all configuration parameters permanently. This memory retains settings without any battery backup. The control does not require batteries for normal operation.
Installation and Mounting Requirements
Installing the Honeywell RM7800G1018 takes only a few minutes of work. The unit mounts directly onto a standard 4×4 inch junction box. It also supports panel mounting using the four corner holes. Always disconnect 120V power before wiring this control. The unit uses passive cooling through ventilation slots. This design eliminates fan noise and moving parts. Allow adequate clearance for terminal access and wiring.
Integration with Burner Systems
This burner control works perfectly with commercial and industrial burners. It interfaces with flame rods, UV scanners, and infrared detectors. Operators can read fault codes from the status LED patterns. The Honeywell RM7800G1018 also provides remote lockout indication and alarm outputs. Consequently, this system remains a reliable choice for burner retrofits. The unit delivers consistent performance across a -40°F to +140°F temperature range.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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