Domestic Hot Water Temperature; Star Preheating Function - Biasi RINNOVA ADAPTIVE 25S User Manual And Installation Instructions

Adjusting the heating temperature with an
external sensor installed
When the optional external sensor is installed,
your boiler will automatically adjust the heat-
ing system's delivery water temperature ac-
cording to the outdoor temperature.
In this case, the boiler must be set by a quali-
fied installer (see "Enabling operation with the
external sensor and setting the K coefficient"
on page 51).
If the room temperature is not comfortable,
you can increase or decrease the heating sys-
tem delivery temperature by ± 15°C using the
15 (decrease) and 16 (increase) buttons (Figure
2.5).

2.4 Domestic hot water temperature

The domestic hot water temperature can be
adjusted using the 12 (increase) and 13 (de-
crease) buttons (Figure 2.5) from a minimum
of approx. 35°C to a maximum of approx.
60°C. The first time one of these two buttons
is pressed, the "set" value is displayed. The
second time it is pressed, the value can be
changed.
Signal on the LCD display:
• the "set" value of the domestic hot water and
the symbol flash. The display back-
ground lights up (Figure 2.7).
Figure 2.9
Adjustments
Adjust the temperature of the domestic hot
water to a value that suits your needs.
Limit the need to mix hot water with cold wa-
ter.
In this way, you can take full advantage of the
automatic setting.
If the water is particularly hard, we recommend
setting the boiler temperature to below 50°C.
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USER INSTRUCTIONS
In such cases, we recommend installing a wa-
ter softener in the DHW system.
If the maximum flow rate of the domestic hot
water is too high for a sufficient temperature
to be reached, contact an authorised support
technician to install a flow rate limiter.
Domestic hot water demand
When the boiler receives a request for domes-
tic hot water, the display shows the
followed by an increase in the temperature
of the domestic hot water. The
flashes (Figure 2.10).
Figure 2.10

2.5 3 star preheating function

This function reduces consumption of the do-
mestic hot water supply at the time of with-
drawal, preparing the boiler temperature at
the requested temperature.
To activate the 3 star preheating function press
keys 12 and 13 together (Figure 2.12) until the
symbol
When the symbol
process.
Figure 2.11
N.B.: should the power to the boiler fail, wait
at least one minute before activating the func-
tion upon reactivation.
To disable the 3 star preheating function press
keys 12 and 13 (Figure 2.12) until the symbol
appears on the LCD display.
flashes, the function is in
disappears from the LCD display.
symbol
symbol