Frigomat TAYLOR IC135 Series, Инструкция по эксплуатации и техническому обслуживанию, Страница: 38 / 71

37 - ENGLISH
6.2.2 CALIBRATION OF CONSISTENCY SET ON BATCH FREEZER BOARD.
The TAYLOR electronic batch freezers of the C 135 series are fitted with an electronic
board with a sophisticated microprocessor able to control the consistency of the ice-cream
by acquiring different parameters including mixer motor absorption. During the batching
cycle the machine’s display shows values in numbers from 0 to 250, directly proportional
to the consistency of the ice-cream. Each machine is factory tested and calibrated by
TAYLOR with standard mixtures at a mixer motor absorption value referred to 240
hardness numbers. This value is indicated on the test sheet supplied with the machine
(see test sheet: AMPERE MIXER @SET240); normally this setting is able to meet a broad
range of requirements.
The consistency value of the batch freezer can be changed in case of particular
requirements: this operation must be performed by authorized and qualified technicians
who have a plier ammeter with adequate capacity.
Remove the panels to carry out this operation and operate on the electronic board inside
the electric box while the machine is powered. Each operation must be performed with
maximum attention and in compliance with the safety standards in force.
This operation must be carried out when the board or the mixer motor need to be replaced.
Comply with the standard calibration indicated on the control board for safety purposes.
Follow this procedure to adjust the consistency Set:
•
Make sure that the main switch is open and/or the multipolar plug disconnected.
•
Remove the right side panel and remove the electric box cover.
•
Find the wire that runs through the amperometric transformer (identified with L1 –
see electric wiring) and connect the ammeter pliers. Measure the absorption of the
mixer motor.
•
Identify on the board the two trims TR3 and TR5 respectively to adjut the high
consistency (ice-cream –“hard”) and low consistency (water ice – “soft”) SET.
•
Close the main switch or reconnect the multipolar plug. Load the machine with the
mixture.
•
To adjust the high consistency (ice-cream –“hard”) set press the SEMIAUTOMATIC
PRODUCTION button. Verify that the programmed consistency set is 240 and wait
a few minutes. Read the motor absorption value on the ammeter pliers; as the value
approaches the standard calibration value indicated on the test sheet supplied with
the machine (consistency adjustment at SET 240 in Ampere or Watt) adjust trim
TR3 (HARD) so that the cycle stops at the desired absorption value. Rotate the
Trim clockwise to INCREASE the consistency value; COUNTER-CLOCKWISE to
decrease it.
•
To adjust the low consistency (water ice – “soft”) press the WATER ICE GR1
button. Verify that the programmed consistency set is 150 and wait a few minutes.
Read the motor absorption value on the ammeter pliers; as the value approaches