Honeywell EC7850 A 1122 4 Burner Controller
Used
In stock1 unitReady to ship
444,44$
Burner Control
The Honeywell EC7850 A 1122 4 ensures reliable burner operation and flame monitoring with interchangeable flame amplifiers, five-function Run/Test switch, and broad voltage compatibility. Ideal for industrial combustion systems and heating controls.11224aAmplifierAutomationBoilerBurnerCombustionControlControllerEC7850FlameHeatingHoneywellIndustrialmonitoringSafetySystem
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Honeywell EC7850 A 1122 4 Burner Control
The Honeywell EC7850 A 1122 4 is a versatile and high-reliability burner control unit engineered for advanced combustion management and safety. Designed with a five-function Run/Test switch and interchangeable plug-in flame amplifiers, it ensures precise burner operation and easy maintenance. Suitable for industrial and commercial heating systems requiring stable flame supervision and multiple control interlocks.
Manufacturer: Honeywell
Type: Burner Control
Model: EC7850 A 1122 4
| Design | Five-function Run/Test Switch / Interchangeable plug-in flame amplifiers |
| Maximum Total Connected Load | 2000 VA |
| Fusing (Total Connected Load) | 5 A “ 25 A (MAX. 20 A) |
| Alarm (Normally Open) | AL “ 220/230/240 Vac, 1A, 10A inrush for 5000 cycles |
| Line Supply Voltage (L1) | 220-240 Vac (+10% / -15%), 50/60 Hz (±10%) |
| FAN “ Burner/Blower Motor | 220/230/240 Vac, 4A at PF = 0.5, 20A inrush |
| RT “ Limits and Burner Control | 220/230/240 Vac, 5A (maximum) |
| LD2 “ Airflow Switch Input | 220/230/240 Vac, 1 mA |
| PV1 “ Pilot Valve 1 (Interrupted) | 220/230/240 Vac, 4A at PF = 0.5, 20A inrush |
| MV “ Main Fuel Valve | 220/230/240 Vac, 4A at PF = 0.5, 20A inrush |
| IGN “ Ignition | 220/230/240 Vac, 4A at PF = 0.2 |
| F “ Flame Signal | 136 to 220 Vac, current limited |
| HI “ Firing Rate High Fire | 220/230/240 Vac, 0.5A at PF = 0.5 |
| COM “ Firing Rate Common | 220/230/240 Vac, 0.5A at PF = 0.5 |
| MOD “ Firing Rate Modulate | 220/230/240 Vac, 0.5A at PF = 0.5 |
| LO “ Firing Rate Low Fire | 220/230/240 Vac, 0.5A at PF = 0.5 |
| Control Voltage | 230 Vac (+10% / -15%) |
| ES2 “ Preignition Interlock Input | 220/230/240 Vac, 1 mA |
| ES1 “ Low Fire Switch Input | 220/230/240 Vac, 1 mA |
| ES3 “ High Fire Switch Input | 220/230/240 Vac, 1 mA |
| LOS “ Lockout Input | 220/230/240 Vac, 1 mA |
| PV2 “ Pilot Valve 2 (Intermittent) | 220/230/240 Vac, 4A at PF = 0.5, 20A inrush |
| SHTR “ Shutter | Shutter drive for dynamic self-check flame sensor |
| Operating Temperature | -40 °C to 60 °C |
| First Safety Time | 3 or 5 sec |
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