38
Type
No. Description
Range
U/M
Step
Default
tS
2.6 Zone Valve / Pump Relaunch Delay
0 .. 99
Min
1
1
tS
2.8 DHW activation delay with solar power
0 .. 30
Min
1
0
tS
2.9 Anti-legionella Function (Only hot water tank)
-- = Disabled
50 .. 80
-
1
--
tS
3.0 Maximum domestic hot water temperature
35 .. 67
°C
1
60
tS
3.5 Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer (with ALL 09)
2 = water pressure transducer (without ALL 09)
-
1
1
tS
3.9 Modulating pump minimum speed
20 .. 100
%
1
30
tS
4.0 Modulating Pump Speed
-- = No modulation
AU = Automatic 30 .. 100
%
10
AU
tS
4.1
∆T Modulating pump delivery/Return
10 .. 40
°C
1
20
tS
4.7 System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
-
1
0
RESET
tS
4.8 INST Parameter set to default
0 .. 1
-
-
0
In the event of a fault/malfunction the message
"AL"
will ap-
pear on the display alternating with the alarm number eg.
"AL
04"
(Domestic Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting
the main switch to "OFF"
– as a precautionary measure, close the gas isolation valve.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message RESET (see
figure), press the button
o
(
R
) for approximately 3 seconds
to start the appliance up again.
7.5
Display of operating data and counters
Access the operating data
"In"
and the counters
"CO"
as follows:
– from the operating screen in the mode enabled at that mo-
ment (WINTER
n
or SUMMER
l
)
– go into
"INFO"
by pressing the buttons
>
and
<
at the same
time
for more than 3 seconds until
"In"
appears alternating
with
"0.0"
(information number) and
"25"
(eg. value)
From this point, the technician has 2 options:
– scroll through the list of
"info"
and
"counters"
by pressing the
button
>
. This way, scrolling will be in sequence
– display the
“activated alarms”
(no more than 10) by pressing
the button
<
. Once in this section, proceed with button
>
or
<
.
When all the values have been displayed, exit the menu by
pressing and holding down the button
o
for approximately 5
seconds until the initial screen is displayed.
