1. COMMISSIONING THE BOILER
To light the boiler correctly, proceed as follows:
• Open the gas tap (normally positioned under the boiler);
• Check that the hydraulic pressure in the system is correct ("FILLING THE SYSTEM" section);
• power the boiler;
• press button
and switch the boiler to Summer
• press buttons
and
to ignite the main burner.
When the boiler is lit, the symbol
In the Summer position
During initial ignition, the burner may not ignite (causing the boiler to shut down) until any air in the gas pipes is vented. In
this case, repeat the ignition procedure until gas reaches the burner. Press button
Key to SYMBOLS
Operation in the heating mode
Flame present (burner on)
No flame (ignition failure)
Operation in the DHW mode
Generic fault
Resettable fault
No water (low system pressure)
Numerical signal (temperature, code, fault, etc.)
Key to BUTTONS
On / Off / Summer / Winter
CH temperature adjustment
DHW temperature adjustment
1.1 ADJUSTING THE CH AND DHW FLOW TEMPERATURE
The system must be fitted with an ambient thermostat for controlling indoor temperature.
Adjust the CH
and DHW
lit, the display shows the symbol
HEATING: while the boiler is operating in the heating mode, the display shows the flashing symbol
temperature (°C).
DHW: while the boiler is operating in the DHW mode, the display shows the flashing symbol
(°C).
to adjust the temperature of the heating circuit
will appear on the display.
the main burner will only ignite if a DHW tap is opened.
delivery temperature by pressing buttons
.
or Winter
;
Reset
Information
and
27
and domestic hot water circuit
for at least 2 seconds.
respectively. When the burner is
and the heating delivery
and the DHW outlet temperature
7110102.03 (1-06/13)
in order