Econcept 50 A
26
3.3 Maintenance
The following operations must only be performed by Qualified Personnel, such as personnel from Ferroli
Limited UK.
Seasonal checks on the boiler and the flue
The following checks should be made on the appliance at least once a year:
• The control and safety devices (gas valve, thermostats, etc.) must be working properly.
• The pipes and the air-flue gas terminals must be free of obstacles and not contain any leaks.
• The condensation draining system must be efficient and must not contain any leaks or blockages
• The gas and water systems must be perfectly sealed.
• The burner assembly and the heat exchanger must be clean. Follow the instructions in the next paragraph.
• The electrodes must be free of deposits and positioned correctly.
• The pressure of the water system when cold must be around 1 – 1.5 bar; if not, top up system.
• The expansion vessel must be presurised.
• The circulation and domestic hot water pumps must be free to run.
Cleaning the boiler body and the burner assembly
The burner assembly and the parts of the boiler body in contact with condensation should be cleaned once
a year. To clean these parts, use soft brushes or compressed air; do not use chemical products or steel
brushes.
After these checks, ensure there are no escape of gas.