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– In the event of malfunctioning or breakdown, turn off the boiler, and do not attempt to repair it yourself. Contact your local au-
thorised technical service centre.
– Boiler installation and all other service and maintenance operations must be performed by qualified personnel. Never tamper
with any of the devices which the manufacturer has sealed.
– Never obstruct the air intake grids or the ventilation openings in the room in which the boiler is installed.
TURNING ON AND OPERATING THE BOILER
TURNING ON THE BOILER (fig. 24)
To turn on the boiler, simply set the control
thermostat knob (5) to 60°C and press the
main switch (1); the boiler will start auto-
matically.
WARNING: When the gas pressure is in-
sufficient, the burner immediately turns
off and the insufficient gas pressure war-
ning signal is enabled (2). In this event, the
boiler cannot be started again using the
release button (6) for safety reasons. The
boiler will automatically start again when
the minimum pressure required by the
gas pressure switch (10 mbar) is restored.
HEATING TEMPERATURE
CONTROL (fig. 24)
Temperature may be controlled using the
thermostat knob (5) within a range of 53
to 90°C. To ensure optimal performance of
the generator, do not go below a minimum
operating temperature of 60°C;
prevent formation of condensation which
could cause the cast iron body to deterio-
rate with time.
RELEASING THE ELECTRONIC
DEVICE (fig. 24)
"RS Mk II" boilers have automatic ignition
(with no pilot light) and have an SM 191.1
electronic control and protection device.
The boiler starts when the main switch
(1) is pressed, sending discharge current
to the ignition electrode through the pro-
grammer while simultaneously opening
the gas valve.
The burner will normally
ignite within 1 or 2 seconds. Various factors
may cause ignition to fail, triggering the si-
gnal which shuts down the boiler (1); if this
occurs, press the release button (8) and the
boiler will automatically start again.
If the boiler fails to ignite correctly and you
have already pushed the release button two
or three times, request the assistance of an
authorised service technician.
TURNING OFF THE BOILER (fig. 24)
To turn the boiler off completely, turn off
58
USER'S INSTRUCTIONS
WARNINGS
1
2
this will
the power using the main switch (1). Turn
off the gas supply cock if the generator will
not be used for some time.
SAFETY THERMOSTAT (fig. 24)
The manually reset safety thermostat (3)
is tripped when the boiler temperature
exceeds 95°C, shutting off the main burner
immediately. To start the boiler again,
remove the black cover and reset the but-
ton once the boiler temperature has fallen
below the level to which the thermostat
is set.
TRANSFORMATION
FOR USE OF
ANOTHER TYPE OF GAS
If it is necessary to transform the boiler to
burn a different type of gas, contact autho-
rised SIME technical service personnel.
CLEANING AND MAINTENANCE
At the end of each heating season, it is
essential to have the boiler thoroughly
checked and cleaned out.
5
4
6 3
KEY
1 Main switch
2 Gas pressure indicator
3 Safety thermostat
8
4 Thermometer
5 Control thermostat
6 Boiler release button
8 Release button
3
Preventive maintenance and checking of
the efficient operation of the equipment
and safety devices must be carried out
exclusively by the authorized technical
staff.
DISPOSAL OF THE EQUIPMENT
(EUROPEAN DIRECTIVE 2002/96/CE)
Once it reaches the end of its operating life,
the equipment MUST BE RECYCLED in line
with current legislation.
IT MUST NOT be disposed of together with
urban waste.
It can be handed over to recycling centres,
if there are any, or to retailers that offer
this service.
Recycling prevents potential damage to the
environment and health. It allows to reco-
ver a number of recyclable materials, with
considerable savings in terms of money
and energy.
Fig. 24
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