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ARENA 30 A
Checks during operation
• Ensure there are no gas or water leaks.
• Check the efficiency of the flues and air-flue gas pipes during the operation of the boiler.
• Check that the water circulation between the boiler and the systems is correct.
• Ensure that the gas valve modulates correctly both in the heating phase and the production of domestic
hot water.
• Check the correct ignition of the boiler, effecting a series of ignition and shut-down tests using the room
thermostat or the remote control.
• Ensure that the consumption of the fuel indicated by the counter corresponds to the values indicated in
table at pag. 9.
• Ensure that without the request for heating the burner assembly turns on correctly on opening a domestic
hot water tap. Check that during operation in heating mode, on opening a domestic hot water tap, the
heating pump switches off, the domestic hot water pump starts and there is regular production of
domestic hot water.
• Check the correct setting of the parameters and effect any custom settings required (compensation curve,
heat rates, temperatures, etc.)
Shut-down
Close the gas cock upstream from the boiler and disconnect the electrical power supply to the appliance.
Warning - For long periods of inactivity during the winter months, in order to avoid damage due to freezing,
all the water should be drained from the boiler, both the domestic hot water and the heating system;
alternatively, drain only the domestic hot water and introduce the relative antifreeze into the heating system.
3.3 Maintenance
The following operations must only be performed by Qualified Personnel, such as personnel from our
Technical Organization.
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, flow-meter, 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, reset this value.
• The expansion vessel must be full.
• The circulation and domestic hot water pumps must not be blocked.
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