commissioning
24
First ignition
1. Make sure that:
- The gas valve is closed;
- The electrical connection has been properly carried out.
Make sure that, in any case, the green/yellow earthing wire
is connected to an e cient earthing system;
- Use a screwdriver to lift the cap on the automatic air relief
valve;
2. Switch on the boiler (by pressing the ON/OFF button) and use
the M
ODE button to select the standby mode, where no hot
water or heating requests are made.
3. Start the deaeration cycle by pressing ESC for 5 seconds
The boiler will start a deaeration cycle lasting about 7 minutes.
If you need to stop it press ESC.
At the end, check that the system is completely deaerated and,
if not, repeat the procedure.
4. Bleed the air from the radiators.
5. Check the pressure gauge reading to verify that there is
su cient plant pressure (1-1.5 mbar); if not, the display will
signal the need for re-establishing the pressure.
Re-establish the pressure by opening the water inlet valve
located underneath the boiler.
6. The exhaust duct for combustion products should be suitable
and free from any obstructions;
7. Any necessary ventilation inlets in the room should be open
(type B installation).
8. Check whether the siphon contains water; if not, it must be
re lled.
N.B.: if the boiler will not be used for long periods, the
siphon should be lled before the boiler is started up
again. It is dangerous not to re ll the siphon as fumes may
be released into the environment.
9. Open the gas valve and check the connection seals, including
the boiler connection seals, making sure that the meter does
not detect any passage of gas. Eliminate any leaks.
10. Start the boiler by selecting the heating or domestic hot water
operation using the MODE button.
Deaeration cycle
During the lling stage or if there is excess air in the system,
the deaeration cycle can be activated by holding the E
SC
button for 5 seconds. The boiler will start a cycle which lasts
approximately 7 minutes. When this is complete the menu
screen will be restored. The cycle may either be repeated, if
necessary, or stopped by pressing E
SC. Press the ESC button
until the normal display screen is restored.
01/01/2000 00:00
40°C 70°C
Airpurge attiva
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