18
12
13
Figure 2.5
The LCD display shows the stand-by status
and the
symbol (Figure 2.6).
Figure 2.6
2.3 Heating circuit temperature
The heating delivery hot water temperature
can be adjusted using the 15 (decrease)
and 16 (increase) buttons (Figure 2.5) from
a minimum of approx. 28°C to a maximum
of approx. 55°C or from a minimum of ap-
prox. 50°C to a maximum of approx. 80°C
(see "Selecting the heating temperature
set" on page 41). The first time one of
these two buttons 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
flash. The display background lights up
(Figure 2.7).
- 10 -
USER INSTRUCTIONS
17
16
15
14
RESET
bar
symbol
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:
• from 27 to 35 with an outdoor temperature
of between 5°C 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
suitable 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
request, the display shows the
followed by an increase in the heating de-
livery water temperature. The
flashes (Figure 2.8).
Figure 2.8
RESET
bar
symbol
symbol
RESET
bar