Zefiro Eco - Boiler FERROLI - Free user manual and instructions
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| Product Type | Wall-mounted gas boiler |
| Brand | Ferroli |
| Model | Zefiro Eco |
| Dimensions (H x W x D) | 700 x 400 x 300 mm |
| Weight | 35 kg |
| Power Supply | 230 V / 50 Hz |
| Nominal Heat Output | 24 kW |
| Domestic Hot Water Flow Rate (ΔT=30°C) | 11 L/min |
| Energy Efficiency Class (Heating) | A |
| Energy Efficiency Class (Hot Water) | A |
| NOx Emission Class | 5 (low NOx) |
| Burner Type | Modulating pre-mixed |
| Ignition | Electronic |
| Safety Devices | Overheat protection, flame detection, pressure switch, safety valve |
| Maintenance | Annual service recommended |
| Spare Parts Availability | Min 10 years after end of production |
| Noise Level | ≤ 55 dB(A) |
Frequently Asked Questions - Zefiro Eco FERROLI
Why does my Ferroli Zefiro Eco boiler show error code A01?
Error A01 indicates a lack of ignition. Check gas supply and ensure the gas valve is open. If the problem persists, contact a qualified technician.
How do I reset my boiler after a fault?
Press the reset button on the control panel for 3 seconds. If the error recurs, refer to the manual for specific codes or call a service engineer.
What should the boiler pressure be?
Normal operating pressure is between 1.0 and 1.5 bar. If it drops below 0.5 bar, repressurize using the filling loop. Maximum pressure is 3 bar.
Why is my boiler making gurgling noises?
Air in the system can cause gurgling. Bleed the radiators to remove trapped air. If the noise persists, check for pump issues.
How often should I service my Zefiro Eco boiler?
Annual servicing by a Gas Safe registered engineer is recommended to maintain efficiency and safety.
Can I use the boiler without a thermostat?
Yes, but it will run at full output until manually turned off. A thermostat improves comfort and efficiency.
What does the 'snowflake' symbol mean?
The snowflake symbol indicates frost protection mode. The boiler will automatically fire to prevent freezing when temperatures drop near 0°C.
My boiler is leaking water. What should I do?
Turn off the boiler and close the gas and water valves. Call a plumber or heating engineer immediately. Leaks may come from joints, the pump, or the heat exchanger.
How do I adjust the DHW temperature?
Use the hot water temperature dial on the control panel. Set between 40°C and 60°C for optimal performance and to avoid scalding.
Is the Zefiro Eco compatible with underfloor heating?
Yes, but you may need a mixing valve or weather compensation control to avoid high flow temperatures. Consult a professional installer.
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USER MANUAL Zefiro Eco FERROLI
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Product information
Brand : FERROLI
Model : Zefiro Eco
Category : Boiler