Beretta NOVELLA 45 RAI, Руководство по установке

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INST
ALLA
TION
MANUAL
20
Fig. 4.1
Fig. 4.2
Fig. 4.3
4 START-UP AND FUNCTIONING
4.1
Preliminary checks
Remove the front panel of the boiler and per-
form the following checks before switching
the boiler on or testing any of its functions.
- Check that the fuel and water circuit shut-off
cocks are open
- Check that the type and pressure of the gas
supply are as specified for the boiler
- Check that the water circuit temperature
gauge shows a pressure over 1 bar with
the system cold. Check also that the central
heating circuit is properly de-aerated
4.2
Ignition
Once you have completed all the preparatory
steps, proceed as follows to start up the boil-
er for the first time.
- Turn the boiler’s mains power switch ON
(fig. 4.1)
- Set the room thermostat to the required
temperature (~ 20°C) or, if the system has
a timer or timer-thermostat, make sure that
this is switched “On” and adjusted to the
required temperature (~ 20°C) (fig. 4.2)
- Adjust the boiler’s temperature control to
the desired temperature (operation not nec-
essary if the boiler has been equipped with
a temperature controller) (fig. 4.3)
- Switch the boiler on at the control panel
switch and check that the green power
indicator lights (fig. 4.4).
- Check that the pressure in the central heat-
ing circuit expansion vessel is sufficient
(about 1 bar)
- Check that the electrical connections to the
mains supply and to the system’s control
and safety devices have been made cor-
rectly
- Check that the flue is properly constructed.
Fig. 4.4