Ariston ACO 32 RFFI SYSTEM Installation And Servicing Instructions page 41

F . 3.20
IG
F . 3.21
IG
F . 3.25
IG
F . 3.26
IG
100
60
20
-20 +20
+20
External temperature (°C)
S T
ETTING THE EMPERATURE
Using the programming keys
following adjustments:
"0 0 0 0 " signifies that the flow temperature (which may be set by
means of the knob on the front control panel) may be
regulated from 20 to 75°C.
"0 0 1 1 " signifies that the flow temperature (which also may be set by
means of the knob on the front control panel) may be
regulated from 46 to 82 °C.
T
EMPERATURE REGULATION CONTROLLED BY THE
P P
EXTERNAL SENSOR
and
By pressing the
adjustments:
"9 9 0 0 " Temperature regulation controlled by the external sensor is
inactive (not installed).
"9 9 1 1 " Temperature regulation controlled by the external sensor is
active (installed).
A
DAPTING THE HEAT CURVE
(Only enabled when the outdoor sensor is activated)
Should the external sensor be fitted it will be necessary to set the
heating curve (see page 41) and may be necessary to adjust the
parallel shift depending on the performance of the heating system
used.
If the temperature in the house is too high, it will be necessary to
decrease the parallel shift, whereas if the temperature is too low it will
be necessary to increase the parallel shift as described below.
To set up the external sensor proceed as follows;
1. Access the settings menu by pressing the
for five seconds;
2. Press the button 5 times to access Parameter 6
3. P P 6 6 will now appear in the left hand display
4. Adjust the parallel shift by turning the heating control knob
clockwise to increase or anti-clockwise to decrease as shown
below. The shift value can be read on the right hand display, from
-20 to +20 (Fig. 3.26).
-20
F
r r
IELD
and it is possible to make the
it is possible to make the following
" P P 6 6 "
and
6
+20
-20
buttons
41