20
The mains pressure (acqueduct) must
be within 1 and 3 bar (in the event of
greater pressure is necessary to install
a pressure reducer).
M 3/4’’
R RETURN 3/4’’
G GAS 3/4’’
C 1/2’’
F COLD 1/2’’
An ANODE
Sc BOILER DRAIN (N.D.)
Sb
Rc FILLING VALVE
Svs
Svsb
SAFETY VALVE DRAIN
Provide a drain pipe with funnel and a trap
that lead to a suitable drain, in correspond-
ence of Svs.
This drainage must be controlled on sight.
of the safety valve can cause damage
to persons, animals and objects, for
which the manufacturer cannot be held
Attention!
Do not mix the heating water with in
correct concentrations of antifreeze or
liable for damage to persons, animals
or objects due to failure to comply with
When the system connections have been completed,
the circuit can be lled.
This operation must be performed carefully, respect-
ing the following phases:
- open the radiator vent valves and make sure the
automatic valve is working properly in the boiler.
- open the lling tap gradually, making sure that
the automatic air release valves installed on the
system work properly.
- close the radiator air release valves as soon as
water comes out.
- check the pressure gauge until pressure reaches
approximately 0.8/1 bar.
- close the lling tap and bleed air once again
through the radiator air release valves.
Danger!
The gas connection must be carried out
only by a qualied installer who must re-
spect and apply that foreseen by relevant
laws in force in the local prescriptions of
the supply company. Incorrect installation
can cause damage to persons, animals
and objects for which the manufacturer
cannot be held responsible.
a) Do not operate electric switches,
the telephone or any other object that
may cause sparks;
b) Immediately open doors and
windows to create air current
to purify the room;
c) Shut the gas cocks.
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