16
5.2 TECHNICAL DATA
Connection:
not-polarized two wires type
Protection class:
IP20
Weight:
110g
Display:
LCD
Clock:
quarz
Adjustingmode:
modulating
Adjusting range:
1÷ 30 °C
Room Temperature display:
0 ÷ 35 °C
Temperature detecting time:
every 60 s
Temperature detecting accuracy:
0.1 °C
Temperature setting accuracy:
0.5 °C
Temperature control accuracy:
±1°C
Memory term: 8 hours
Weekly programming on hourly basis with 3
temperature levels
Special function mode: automatic, manual,
holidays, freezing prevention
antigelo
5.3 USER GUIDE
Once reset the chrono-thermostat the time and date
on the display start lighting as reminder the operator
has to set them. Set-up is allowed in the following
modes: automatic, manual and freezing prevention.
Here below the setting procedure.
Push the [ ] button, the time is shown and the Day
starts lighting. By the encoder set the present day.
Then press [OK] to confirm and pass to hour setting,
otherwise press [ ] to return to the main menu. Repeat
the same to set hour and minute and confirm [
OK
].
In case of any action is taken within 10 s, the display
will show the main menu.
Mode “automatic”
The unit run the programme. The graphic, time
and temperature are lighted on the display while
automatically running the program, related to the day
of the week lighted on the left side of the display.
Mode “freezing prevention”
Three temperature levels can be set: [T2]highest, [T1]
medium and [T0] lowest.
The lowest Temperature can be used as “freezing
prevention” control. Push the [T2] button for highest
temperature setting by means of the encoder. Press
either [OK] or [T2] again to confirm. The same procedure
for setting [T1]. Note that anyway T2 shall be higher
than T1, Which shall be higher thanT0; otherwise a
“beep” sound advises that the value is not allowed.
However each temperature shall be within 1- 30 °C.
Push the [ ] button for [T0] setting, select the value by
means of the encoder, and press [ ] again to confirm
and return to the main menu.
Note: if press [OK] after selecting the T0 value the
“freezing prevention” mode would be activated.
On the display only the [ ] symbol and T0 temperature
will appear; the T0value can be changed by means
of the encoder.
Press [AUTO] button to exit the freezing prevention
mode and activate the weekly program.
Modo “manuale”
Press the [MANUAL] button to deactivate the weekly
program mode and manually select the desired room
temperature.
Press [OK] to confirm and run the manual mode.
Otherwise press [AUTO] to return back to the weekly
program mode.
In manual mode, the set temperature can be changed
at any time by means of the encoder.
On the display the graphic will not appear and the
[ ] symbol will light on.
Press the [AUTO]button to exit the manual mode and
return back to the weekly program mode.
Mode “holidays”
Press the [
] button to set the desired room
temperature to be kept while the room isn’t used for
days.
Once selected the temperature press [OK] to confirm
and the number of days (shut down term) will be
requested: maximum 99 days.
Press [OK] to confirm.
The number of left days decrease everyday at midnight.
Once the holiday term expires, the control automatically
passes to the weekly program mode. In holidays mode
is possible to change the desired temperature by
means of the encoder and then press [OK] to confirm.
In order to change the holiday term, repeat the above
procedure. To exit the holidays mode press [AUTO] or
set thenumber of days = 0.
Fig. 5
Chrono thermostat GA1
