- 13 -
USE
USER INSTRUCTIONS
(primary circuit) and the symbols
and
(Figure 2.4).
Figure 2.4
Operation with production of hot water
only
• Press button 13 for 1 second until the symbol
appears on the display (Figure 2.5).
Figure 2.5
11
12
13
14
15
16
The LCD display shows the boiler temperature
(primary circuit) and the symbol
(Figure
2.6).
Figure 2.6
2.3 Heating circuit temperature
The heating delivery temperature of the hot
water can be adjusted using the buttons 14 (de-
crease) and 15 (increase) (Figure 2.5) to between
a minimum of approx. 25°C and a maximum of
approx. 80°C. The first time one of those but-
tons is pressed, the "set" value is displayed. The
second time it is pressed this can be changed.
Signal on the LCD display:
• the “set” value of the heating delivery hot
water temperature and the
symbol flash.
The display background lights up (Figure
2.7).
Figure 2.7
Adjusting the heating temperature based
on the outdoor temperature (without ex-
ternal sensor)
Adjust the heating delivery hot water tem-
perature as follows:
• between 25 and 35 with an external tem-
perature between 5 and 15°C
• from 35 to 60 with an outdoor temperature
of between -5°C and +5°C
• from 60 to 80 with an outdoor temperature
of below -5°C.
Your qualified installer may suggest more suit-
able settings for your system.
The set temperature has been reached when
the
symbol is not visible on the LCD display.
Heating power demand
When the boiler receives a heating power re-
quest, the display shows the
symbol fol-
lowed by an increase in the heating delivery
water temperature. The
symbol flashes
(Figure 2.8).
Figure 2.8