INSTRUCTIONS FOR USERS
7222863.02 - en
6
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The system must be equipped with an ambient thermostat for controlling the room temperature.
Adjust the ambient temperature ( ) and the DHW temperature ( ) by pressing the respective
+/-
buttons (figure 1).
The ignition of the burner is shown on the display with the symbol ( ) as described in section 3.1.
HEATING
While the boiler is operating in heating mode, the display (figure 1) shows the flashing symbol ( ) and the heating de-
livery temperature (°C).
DOMESTIC HOT WATER
While the boiler is operating in DHW mode, the display (figure 1) shows the flashing symbol ( ) and the DHW output
temperature (°C).
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Press this button to set the following boiler operating modes:
•
SUMMER
•
WINTER
•
HEATING ONLY
•
OFF
In
SUMMER
mode, the display shows ( ). The boiler satisfies requests for DHW only while central heating is NOT ena-
bled (ambient frost protection function active).
In
WINTER
mode, the display shows (
and ). The boiler satisfies requests for both DHW and central heating (am-
bient frost protection function active).
In
HEATING ONLY
mode, the display shows ( ). The boiler satisfies requests for central heating only (ambient frost
protection function active).
In
OFF
mode, the display shows neither of the above two symbols ( ) ( ). In this mode only the ambient frost pro-
tection function is enabled, any other request for DHW or heating is not satisfied.
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