Ensure your heating system has "inhibitor" fluid to prevent internal rust.
The system automatically gives priority to Domestic Hot Water over Central Heating.
According to the technical manual, several critical checks must be performed to ensure safe ignition and operation: System Pressure: The central heating circuit must be maintained between 0.75 and 1 bar when cold. Fagor Eco Plus Fa 15-20 Manual
| Parameter | Value | |-----------|-------| | Evaporating temp range | -35°C to +10°C | | Max condensing temp | 55°C | | Current draw (start) | ~25–30A (brief) | | Running current | 4.5–6.5A (depends on load) | | LRA (Locked Rotor Amps) | ~40A |
The manual states you must never attempt to open the lid by force. There are two ways to release pressure: Ensure your heating system has "inhibitor" fluid to
If a gas tank is replaced, the entire installation must be purged of air and tested for leaks using detection fluid before attempting to fire the boiler. Troubleshooting Common Faults
Using the interface of the FA 15-20 is straightforward once you understand the control panel layout. Starting the Boiler Ensure the gas supply valve is open. | Parameter | Value | |-----------|-------| | Evaporating
The unit requires a clear flue path to expel combustion gases. Never block the external terminal.
– Good, robust manual compressor for light commercial refrigeration, but requires proper external controls and installation know-how.