71
71.03982.03 - EN
OPERATING INSTRUCTIONS
4. ADJUSTING ROOM TEMPERATURE AND DHW TEMPERATURE
The system must be itted with a room thermostat for controlling indoor temperature.
Adjust the room temperature (
) and the DHW temperature (
) by pressing the respective
+/-
(igure 1). The ignition
of the burner is shown on the display with the symbol ( ) as described in section 3.
HEATING
While the boiler is operating in the heating mode, the display (igure 1) shows the lashing symbol (
) and the heating
delivery temperature (°C).
DOMESTIC HOT WATER
While the boiler is operating in the DHW mode, the display (igure 1) shows the lashing symbol (
) and the DHW output
temperature (°C).
Press this button to set the following operating modes:
• SUMMER
• WINTER
• HEATING ONLY
• OFF
In the
SUMMER
mode, the display shows (
). The boiler satisies requests for DHW only while central heating is NOT
enabled (ambient frost protection function active).
In the
WINTER
mode, the display shows (
). The boiler satisies requests for both DHW and central heating (am-
bient frost protection function active).
In the
HEATING ONLY
mode, the display shows (
). The boiler satisies requests for central heating only (ambient frost
protection function active).
In the
OFF
mode, the display shows neither of the above two symbols (
) (
). In this mode, only the ambient frost
protection function is active while requests for DHW and central heating are not satisied.
5. DESCRIPTION OF BUTTON (Summer - Winter - Heating only - Off)
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