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7108686.02 (1-11/12)
1. COMMISSIONING THE BOILER
To light the boiler correctly, proceed as follows:
• Check that the system pressure is correct (section 6);
• Power the boiler;
• Open the gas tap;
• Select the required heating mode (section 1.2).
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. To reset boiler operation, press
for at least 2
seconds.
Key to BUTTONS
DHW temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Heating water temperature adjustment
(
+
to increase the temperature and
–
to decrease it)
Boiler operating information
Operating mode:
DHW – DHW & Heating – Heating Only
Off – Reset – Exit menu/functions
Key to SYMBOLS
Off: heating and DHW disabled
(only boiler frost protection is active)
Burner lit
Fault preventing the burner from lighting
DHW operating mode enabled
Boiler/system water pressure low
Heating mode enabled
Technical Service Centre call-in
Programming menu
Manually resettable fault (
)
Boiler information menu
Fault in progress
Set unit of measurement (SI/US)
1.1 ADJUSTING THE CH AND DHW FLOW TEMPERATURE
Press
and respectively to adjust the CH and DHW flow temperature (if an external storage tank is fitted). When the
burner is lit, the display shows the symbol .
HEATING
: while the boiler is operating in the heating mode, the display shows the flashing symbol
and the heating delivery
temperature (°C).
When connected to an Outdoor Sensor,
will indirectly adjust the room temperature (factory setting 20°C).
DHW
: connect an external storage tank to produce domestic hot water. While the boiler is operating in the DHW mode, the display
shows the flashing symbol and the heating flow temperature (°C).
1.2 OPERATING MODES
SYMBOL
DISPLAYED
OPERATING MODE
To enable the appliance in
DHW
-
Heating
or
Heating only
press repeatedly
and choose one of the three available modes.
To disable the boiler operating modes whilst keeping the frost function enabled,
press . Just the symbol appears on the display (with the boiler not blocked).
DHW
DHW & HEATING
HEATING ONLY
Содержание Sirius two WH
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