
ENGLISH - 54
(*)
The parameters can change according to the software versions or customizing
processes. It is always possible to refer to the test cards supplied with the machine.
6.2.5 LCD CONTRAST ADJUSTMENT
1. Disconnect the machine
2. Press both “
STOP
” and “
OK
” at the same time and power the machine. The display
shows the term “
Contrast
” and the software installed on the LCD and OMG board.
3. Release keys.
4. Press
“UP (
▲
)”
and
“DOWN (
▼
)”
to increase or decrease the contrast of the LCD
display respectively.
5. Press “
OK
” to confirm and exit the contrast adjustment function.
6.2.5 CONSISTENCY CALIBRATION ON OMEGA CARD
FRIGOMAT electronic batch freezers series TITAN LCD are equipped with an electronic
card with a sophisticated microprocessor that enables to control the ice-cream
consistency through the acknowledgement of different parameters, such as the agitator
motor power consumption. During the batch freezing cycle, the machine display visualises
numeric values between 0 and 250, which are directly proportional to the ice-cream
hardness. Each machine is tested and calibrated by FRIGOMAT with standard mixtures
and with an agitator motor power consumption referring to a hardness value of 240. Such
value is reported on the test sheet supplied with the machine (see AGITATOR AMPERE
@SET240); this calibration can normally satisfy a wide range of requests.
It is anyway possible to adjust the batch freezer consistency value for any particular
requirement: this operation shall be carried out by authorised skilled personnel only who
shall use a clamp meter with suitable accuracy and carrying capacity.
To set the consistency, it is necessary the panels and act on the electronic card inside the
electric box while the machine is under voltage. Each operation shall be carried out very
carefully and in conformity with the safety regulations in force.
Follow the instructions below to perform the consistency calibration:
1. Disconnect the machine and remove the right side panel; then remove the cover of the
electric box.
2. Find the current transformer power wire (identified with L1 – see electric diagram) and
connect it to the clamp meter. This way the agitator motor power consumption can be
measured.
3. Fill the cylinder with the maximum amount of ice-cream mixture allowed for each
model.
4. Power up the machine.
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