Italtherm 35 K, Руководство по установке

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Green Heating Technology
10
maximum values if not strictly needed, that will force to mix the hot water with bigger quantities of
cold water. Consider that, because of the dispersions along the pipings, a certain time is needed to
have a stable water temperature on the cock outlet, therefore the best temperature evaluation is
achieved during a bath or a shower.
Incidental malfunctioning
Avoid performing personally any intervention that are job of the technician, for example the
ones on the electrical circuits, on hydraulic system or on the gas system, and whatever other
operation that's not mentioned in this "User Guide" section and expressly allowed to the User.
Always address yourselves to qualified personnel.
Boilers must be always equipped with original accessories only.
ITALTHERM Srl is not responsible for damages caused by the incorrect, wrong or unreasonable
use of not original materials.
The burner doesn’t turn on
f if the room thermostat (or programmable room thermostat, or similar) is installed, check that it is
really requiring the room heating;
f
be sure the boiler is set on winter + or summer mode (not in OFF ). The reference symbols
must be shown on the display (see "The front control panel" on page 7);
f in case the display shows or , or in case the boiler seems to be working in an
inappropriate way, see "Alarms - boiler block" on page 41;
f check on the gauge that the boiler pressure is correct (1÷1.5 Bar in a cold state ) or at least not below
0.5 Bar �
Shortage of domestic hot water production
f
check the DHW temperature is not set on a too low value: if so, adjust it (see "Temperature adjust -
ment" on page 9);
f call a qualified technician to check gas valve regulation;
f
call a qualified technician to check, and eventually clean, the DHW exchanger.
Remark: where the water hardness value is too high, it is suggested the installation of a soften -
ing device, in order to prevent the limestone precipitation; this operation avoids a frequent
cleaning of the coil�