10 Operating the Boiler
2. Press the OK button ( ) to select the space heating
temperature ( ). The highlighted section will flash.
3. Press the Up button ( ) or the Down button ( ) until the
desired temperature appears on the display. You can adjust
the temperature while the display is flashing. Once the
display stops flashing, the temperature setting is stored.
Note
●
Take note of the original heating temperature in
case you want to restore it to the default.
●
The default central heating supply water
temperature range is 40°C (Absolute MIN) to 90°C
(Absolute MAX).
●
The default central heating return water
temperature range is 30°C (Absolute MIN) to 65°C
(Absolute MAX).
●
The central heating temperature cannot be
adjusted when the Outdoor Reset Control is used.
●
The central heating temperature cannot be
adjusted, when the Heat Demand function is set to
OpenTherm.
3.2.2 Adjusting the DHW Temperature
WARNING
Before adjusting the water temperature, carefully read “To
prevent burns:” on page 4. Water above 52°C can cause
instant scalding or severe burns.
To adjust the water temperature:
1. Make sure that all hot water taps are closed, and ensure that
the internal circulator and any external circulating pumps
are off.
3.1 Turning the Boiler On or Off
To turn the boiler on or off, press the Power button (
).
When the power is turned on for the first time, you must
complete the start-up wizard. The temperature will appear on
the front panel display after the power is turned on.
3.2 Adjusting the Temperature
3.2.1 Adjusting the Central Heating Temperature
To adjust the central heating temperature:
1. In normal operation mode, press the Down button ( )
The central heating temperature ( ) is highlighted on the
screen.
3. Operating the Boiler
