INDEX 1. General warning pagina 1 2. Control Panel pagina 2 3. Starting up the boiler pagina 3 4. INFO Menu pagina 3 5. Boiler functioning modes pagina 4 6. Filling the system pagina 5 7. Diagnostics – Error codes pagina 5 8.
The installation, first start-up, regulation and maintenance operations must be carried out exclusively by qualified personnel (e.g. Radiant authorised Service Centres). Incorrect installation can cause damage to property and injury to persons or animals, for which the manufacturer will not be held responsible.
USER INSTRUCTIONS 2. Control Panel CONTROL PANEL KEY 1. HEATING TEMPERATURE SETTING BUTTONS 2. INFO BUTTON: PRESS ONCE TO DISPLAY TEMPERATURES AND INFO; KEEP IT PRESSED FOR 5 SECONDS (IN OFF MODE) TO DISPLAY THE LAST 5 ERRORS. 3. MODE SELECTION BUTTON: SUMMER ONLY / WINTER ONLY / SUMMER-WINTER / OFF. 4.
USER INSTRUCTIONS 3. Starting up the boiler Check that the boiler is power supplied and that the gas feed valve, placed at the bottom of the boiler, is • open. Switch on the boiler by using MODE SELECTION BUTTON and select the functioning mode •...
USER INSTRUCTIONS 5. Boiler functioning modes “SUMMER” mode To switch boiler operation to “SUMMER” mode, press the MODE SELECTION button (‘3’ – fig. 1); The boiler will only work for the D.H.W system, the heating system is disabled. The “SUMMER” mode setting of the boiler is signalled by the symbol , lit continuously on the control panel.
USER INSTRUCTIONS 6. Filling the system In order to restore the water pressure of the system, open the filling tap R (fig. 2) and check by means of a pressure gauge M, that the pressure of the system reaches the middle part of the green zone (which corresponds to 1,2 bar, see fig.
USER INSTRUCTIONS Code E21 General malfunction inside the printed circuit board. Switch off the power supply at the main switch and then switch it on again; When the error code on the display disappears, the boiler will restart automatically. If the problem persists, Call the Service Centre. Code E22 Parameter programming request.
USER INSTRUCTIONS 9. Frost Protection The boiler is protected from freezing by electronic board settings and special functions that provide the starting of the burner to heat all the interested parts, when their temperature drops below the minimum preset values. This function is enabled if: –...
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RADIANT BRUCIATORI s.p.a. Via Pantanelli, 164/166 - 61025 Loc. Montelabbate (PU) Tel. +39 0721 9079.1 • fax. +39 0721 9079279 e-mail: info@radiant • Internet: http://www.radiant.it THE TECHNICAL DATA AND MEASUREMENTS ARE PROVIDED FOR INFORMATION PURPOSES ONLY AND ARE NOT BINDING. THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION.