12
1-9
1-10
1-11
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
• Use and operation.
- Start-up display.
Every time power is supplied to the appliance,
the display will activate all symbols for 2 sec-
onds:
while in the next 5 seconds, the display will
indicate the board software version:
After which, the following information regard-
ing the type of system will be displayed, the
temperature of the solar collector (1 ÷ 170°C
upper digit) and the temperature of the storage
tank probe (1 ÷ 125°C lower digit):
•
Functioning.
For the description of the parameters, refer to
the table in the previous paragraph
-
OFF mode.
By pressing the (
) key for 3
seconds, the appliance switches to off mode
(also in the event of anomalies). In this way,
it is not operational and the display shows
off. Only the anti-freeze protection and the
pump anti-block remain active.
- Solar pump functioning.
The pump activates and deactivates automati-
cally when it is set in On/Off mode.
Activation:
the solar pump will be activated
by the board if the following conditions occur
at the same time:
T tank < PAR15 – PAR16
and
Solar collector T - tank T > PAR16
Disabling:
the board disables the solar pump
if one of the following conditions occurs:
Tank T > PAR 15
or
Solar collector T< tank T + PAR 22
Manual mode:
the pump can be set in On
mode (always on) or Off mode (always off).
In the event of manual setting, the protection
functions are inhibited.
-
Solar manifold cooling function
. This func-
tion is used to manage the pump in the event
of overheating of the solar panel according to
the following table:
Description
Condition
Solar pump
activation
PAR 15 < tank T < PAR 18
+
Solar collector T > PAR 17 - PAR 19
Solar pump
deactivation
Solar collector T (PAR 17 - PAR
19) -1°C
or
Tank T ≥ PAR 18 +1°C
or
Solar collector T > PAR 17
(reactivates with solar collector T <
PAR17 -1°C)
With parameter 19=0, the solar collector
cooling function is deactivated; the following
conditions remain active:
Solar collector T > PAR17 => Solar pump off
Solar collector T < PAR17– 1°C => Solar
pump on
-
Cold solar manifold recognition function.
The board will disable the solar pump (pre-
sent only with return probe) when:
Solar collector T– solar collector return T <
PAR 21
-
Solar manifold anti-freeze function.
The
Solar Pump activates when:
Solar collector T < PAR 23
The board will not deactivate the solar pump
until:
Solar collector T > PAR 23 + 1°C
Attention:
the default anti-freeze function is
disabled PAR 23=0
-
Solar pump anti-block function.
After 24
hours of inactivity, the system pumps are
activated for 3 seconds.
-
Diverter valve anti-block function.
After
24 hours of inactivity, the diverter valve will
be activated for 5 seconds (in systems fitted
with the diverter valve).
-
Priority solar function.
The function is ac-
tive when:
DHW inhibition probe T (PAR 31 - PAR 33)
< DHW set (parallel integration)
DHW inhibition probe T (PAR 31 - PAR 33)
< DHW set (priority integration) and solar
loading pump in off for a time > 5 minutes
• Anomalies.
The following table describes the possible anoma-
lous conditions that will be displayed on the basis
of the system ration selected.
The possible functioning error conditions are
displayed on the user interface display.
If an anomaly should occur, the (
) symbol
starts to flash as well as the back light (anomaly).
If a no communication anomaly should occur,
the (
) + (
) symbols start to flash as
well as the back light (communication anomaly).
Description of anomaly
Fault code
S1 NTC sensor fault
81
S2 NTC sensor fault
82
S3 T1000 sensor fault
83
Solar pump off
87
- Anomaly 81 NTC Sensor faulty: the sensor
fault, i.e. a short circuit or open circuit, disables
the Solar Pump (active system protection). The
protection is deactivated immediately when
this fault is resolved.
- Anomaly 82 NTC Sensor faulty: the sensor
fault, i.e. a short circuit or open circuit, disables
the Solar Pump (active system protection). The
protection is deactivated immediately when
this fault is resolved.
- Anomaly 83 PT1000 Sensor faulty: the sensor
fault, i.e. a short circuit or open circuit, disables
the Solar Pump (active system protection). The
protection is deactivated immediately when
this fault is resolved.
- Solar pump Off: the solar control unit indicates
that the solar pump is in forced Off mode
(parameter 24).
• Technical data.
Power Supply: ...................230 Vac + 10% ÷ 15%
Frequency: ...........................................50 Hz ±5%
Mains (PF1): .......................3.15 AF (rapid) 5x20
Free contact outputs: .................5A 30 Vdc relay,
10 A 250 Vdc
(Maximum charge allowed: 0.25 A 230 Vac)
