Radiant RBS 24 Installation And Maintenance Manual - page 15
Installation Manual
AIR VENT VALVE CAP
CIRCULATING PUMP
RS
AIR VENT VALVE
PUMP CAP
Starting up the boiler (see fig.1 pag. 11)
• turn on the gas cock situated under the boiler grill;
• set the ON/OFF button (1) to ON position
;
• use knob 2 and 3.
• to set the heating only mode, turn knob 3
counter clockwise to the minimum and then adjust
the heating temperature required by turning knob
2;
• to set the domestic hot water only mode turn
knob 2 counter clockwise to the minimum and t
adjust the hot water temperature required by
turning knob 3;
hen
Fig. 1
• to set the heating AND domestic hot water
mode adjust temperatures required by turning
knob 2 and 3;
• the automatic ignition system will turn the burner
on; it may be necessary to repeat the ignition
procedure a few times to purge air from the gas
pipe. Important: should the boiler fail to ignite,
wait 3 minutes before pressing the button again;
• to reset the boiler: put the ON/OFF button 1 first in
OFF
and then in ON
position. If light no.
5 flashes, it means water deficiency in the system;
• to restore water pressure, open the tap on the
filling loop and fill the system until light no. 5
comes off, and then close the tap on the filling
loop;
• set ON/OFF switch 1 in OFF position
, insert a
gauge into the pressure point no. 4 (fig.2 page 13).
setting in accordance with values stated on the gas data plate (to check maximum gas pressure value, turn ON a hot water
tap and check that the maximum pressure is equal to that stated on the gas data plate; to check the minimum gas pressure,
close the hot water tap, and select WINTER mode, the pressure gauge will show the minimum gas pressure value for 10
seconds. If the pressure values are not the same as those stated on the gas data plate, calibrate pressure again;
once the calibration procedure has been completed, unplug the mains l
Fig. 2
Turn ON the boiler and check the minimum and maximum gas pressure
•
ead or turn off the mains switch, close the gas cock
•
e heating system thermal capacity see «BOILER ADJUSTMENTS».
MPTYING THE CENTRAL HEATING SYSTEM
ceed as follows:
and remove the gauge from the pressure point; tighten the screw making sure there are no gas leaks;
after carrying out this operation, return the panel to its correct position and put the front casing back.
CHECK the maximum heating power.
For procedure regarding regulation of th
E
Whenever it is necessary to empty the system, pro
• set ON/OFF switch in OFF position
(fig.1 page 9);
• wait for the boiler to cool down;
turn the system drain tap RS (see fig. 3) and use a container to collect the water that runs out;
MPTYING THE DOMESTIC HOT WATER SYSTEM
should be emptied in the following way:
possible).
ARNING
re that the boiler in commissioned in line with all BENCHMARK BOOKLET REQUIREMENTS. Failure to do this
E
Whenever there is danger of freezing, the hot water system
• shut off the water at the mains;
• open all hot and cold water taps;
• empty from the lowest point (where
W
Please ensu
may in validate the guarentee.
COMBI – TG05A039.B0305
12