Installation Manual
Combi - cod. 99943NA – November 2002
10
•
check the pressure in the system: if this has gone down and LED 13 (see fig. 2 pag. 9) comes restore pressure
;
•
close the tap on the filling loop
once this operation is completed;
Starting up the boiler
•
open the gas cock;
•
turn on the boiler;
•
set selector switch
1
to either the
5
summer or
7
winter symbols (see fig.1 pag. 9); make sure that no.
6
light is ON (see fig.
2 pag. 9). 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 press release button
2
(see fig.1 pag. 9) and then try the ignition
procedure once again. If the boiler does not start, press the reset button 2 (see fig. 1 pag. 9).
IMPORTANT
should the boiler
fail to ignite
wait 3 minutes
before pressing button again.
•
turn selector switch
1
to the «off» position (see fig. 1 pag. 9), insert a gauge into the pressure point (see fig. 4 pag. 12; pos.
no. 4), turn on the boiler and check the minimum and maximum calibration pressures of the modulator in accordance with
those stated on the gas plate; (to check the maximum modulation pressure of the modulator, turn on a hot water tap and
check that the maximum pressure is equal to that stated on the plate; to check the minimum, undo one wire from the
modulator coil and check on the gauge that the minimum pressure is equal to that stated on the plate; if the maximum
pressure is not the same as stated on the plate, calibrate the modulator again;
•
once the calibration procedure has been completed, unplug the mains lead or turn off the mains switch, close the gas cock
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 the heating system thermal capacity
see «BOILER ADJUSTMENTS».
EMPTYING THE CENTRAL HEATING 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;
turn the system drain tap
RS
(see fig. 5 pag. 9) and use a container to collect the water that runs out;
EMPTYING THE DOMESTIC HOT WATER SYSTEM
Whenever there is danger of freezing, the hot water system should be emptied in the following way:
•
shut off the water at the mains;
•
open all hot and cold water taps;
•
empty from the lowest point (where possible).
WARNING
Please ensure that the boiler in commissioned in line with all BENCHMARK BOOKLET REQUIREMENTS. Failure to do this
may in validate the guarentee.
Summary of Contents for RSF 24 E
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