Radiant RBS 20 E Installation And Maintenance Manual - page 13
Installation Manual
COMBI – Cod. 99941NA – November 2002
10
STARTING UP THE BOILER
• open the gas cock;
• turn on the boiler;
• set the selector to winter;
• make sure that 6 and 7 light are ON (fig.2 p.10 Pos. 6 and 7) on the boiler panel. If light no. 5 is ON, it means water
deficiency in the system: fill the system until a pressure of 1,5 bar has been reached (light no. 7 ON; fig 2 pag. 10) and then
close the tap. The automatic ignition system will turn the burner ON. It may be necessary to repeat the procedure a few
times to purge air from the pipes. To repeat the ignition procedure in any case wait 3 minutes before turning the boiler off
and on again, then try to ignite it once more;
• calibrate the boiler;
• after carrying out this operation, return the panel to its correct position and put the front casing back;
REGULATING THE HEATING TEMPERATURE
The heating temperature is regulated by turning knob 2 (fig.1 pag.10) to the temperature required, chosen from the different
values printed around the selector.
The temperature range goes from a minimum of 35°C to a maximum of 80°C.
REGULATING THE HOT WATER TEMPERATURE
The hot water temperature is regulated by turning knob 3 (fig.1 pag.10) to the temperature required, chosen from the different
values printed around the selector.
The temperature range goes from a minimum of 35°C to a maximum of 60°C.
EMPTYING THE CENTRAL HEATING THE SYSTEM
Whenever it is necessary to empty the system, proceed as follows:
• turn off the main power supply switch;
• wait for the boiler to cool down;
• undo the system drain tap and use a container to collect the water that runs out;
WARNING
Please ensure that the boiler in commissioned in line with all BENCHMARK BOOKLET REQUIREMENTS. Failure to do this may
in validate the guarentee.