- 16 -
USE
INSTRUCTIONS FOR USE
Fig. 2.15
°C
Adjustment
Adjust the
D.H.W. temperature to a value
suited to your needs.
Reduce the necessity of mixing hot water
with cold water.
In this way, the automatic adjustment fea
-
tures will be appreciated.
If water hardness is particularly high, we
recommend that the boiler be adjusted to a
temperature of less than 50°C.
However in these cases we recommend
that a softener is installed on the
domestic
cold feed.
D.H.W. request
When the boiler has a power request in the
D.H.W. mode, the symbol is displayed
on the display followed by an increase of
the heating water flow temperature. The
symbol flashes (Fig. 2.16).
Fig. 2.16
°C
2.6 3 star preheating function
This function diminishes consumption of the
domestic 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 14 and 15 together (Fig. 2.18)
until the letters "
cF
" appear on the LCD
display which alternates with the word "
on
"
(Fig. 2.17).
Fig. 2.17
NOTE: Should the power to the boiler fail,
wait at least one minute before reactivating
the function upon reactivation.
To disable the 3 star preheating function
press keys 14 and 15 together (Fig. 2.18)
until the letters "
cF
" appear on the LCD dis
-
play which alternates with the word "
oF
".
Note to the installer.
3 Star D.H.W. comfort setting (pre heat)
This boiler is equipped with advanced soft
-
ware that facilitates an enhanced domestic
hot water delivery system; this system re
-
duces the waiting time at the hot water draw
off points to a minimum and also ensures
limited water wastage.
Please ensure if you decide to activate the
built in 3 star comfort function that the first
D.H.W. draw off point is at a sufficient dis
-
tance to avoid excessively hot water being
delivered to the draw off point.
2.7 Switching off
Press the key for 2 seconds 16 (Fig. 2.18)
until the
symbol appears on the dis
-
play (Fig. 2.19).
Summary of Contents for ADVANCE 25C
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