SAFETY DEVICES
17
DEVICES NOT IN THE LIST
During installation of the stove it is MANDATORY
to adjust the plant using a manometer to display
the water pressure and an automatic vent valve
calibrated at 3 bar.
INSTALLATION AND SAFETY DEVICES
The installation, relative system connections,
commissioning and inspection of correct functioning
must be carried out perfectly, in total compliance
with Standards in force, both national, regional and
municipal, as well as these instructions.
For Italy, installation must be carried out by
professionally authorised sta (Ministerial Decree
dated 22.01.08 n°37).
Extra ame S.p.A. declines all responsibility for
damages to objects and/or persons caused by
the system.
SAFETY DEVICES FOR CLOSED VESSEL
SYSTEM
According to the UNI 10412-2 (2006) Standard in
force in Italy, the closed plants must have:
Safety valve
Pump control thermostat
Acoustic alarm activation thermostat
Temperature indicator
Pressure indicator
Acoustic alarm
Adjustment automatic circuit breaker switch
Automatic circuit breaker switch (block
thermostat)
Circulation system
Expansion system *
Safety dissipation system incorporated with
the generator with thermal safety valve (self-
activated), whenever the appliance does not have
a temperature self-adjustment system
DISTANCES OF SAFETY DEVICES ACCORDING TO THE STANDARD
Component Distance
Temperature safety sensors On the machine or not exceeding 30 cm
Devices missing because not standard (see
following table)
Not exceeding one metre, on the ow pipe
The temperature safety sensors must be in place
on the machine at a distance no greater than 30 cm
from the ow connection.
Whenever the generators lack a device, those
missing can be installed on the thermo product ow
pipe, within a distance no greater than 1m from the
machine.
The domestic heating appliances with automatic
feeding must:
be equipped with a fuel block thermostat, or
be equipped with a cooling circuit prepared by
the manufacturer of the appliance.
The cooling circuit must be activated by a
heat safety valve such to guarantee that the limit
temperature set by the Standard is not exceeded.
Connection between the power supply unit
and the valve must be free from interceptions.
The pressure upstream from the cooling circuit
must be at least 1.5 bar.
ATTENTION! THE COMFORT IDRO MODEL DOES
NOT HAVE EXPANSION VESSEL AND PUMP AS
PER STANDARD
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