Vollrath Stoelting F231, Service Manual, Page: 15 / 63

Service Manual #513659 7 Model F231
E. Press the left arrow button to go back to the Current
Status screen. Then press the right arrow to go
to the Main Menu.
NOTE
If you press the left arrow from the Current Status
screen it will ask for the password. Press the right
arrow, SET, then the SEL button.
MOTOR CALIBRATION
Before starting the motor calibration, be sure there is liquid
mix in the freezing cylinder.
A.
Select the Utilities option, then the Next Utilities
option. Select the Unit Calibration then the Motor
Calibration option.
B. Move the cursor over the Left side and press the
SEL button then move the cursor over the Right
side and press the SEL button.
NOTE
The motor calibration can be done for both sides
simultaneously.
C. After the calibration is complete, press the Main
Power On/Off button to turn the machine off and
remove the USB
fl ash drive.
SETTING CONTROL
A. Press the Main Power On/Off button.
B. When the Current Status screen is displayed,
press the left arrow button to access the passcode
selection screen. Press the right arrow, SET, then
the SEL button.
C. Move the cursor to the Modify Settings option
and press the SEL button. Then move the cursor
to the Time and Date option and press the SEL
button and adjust the settings as required.
1. Press the SEL button to enter the Modify Time
and Date screen.
2. Move the cursor to the setting that needs to
be changed and press the SET button.
3. Use the arrow buttons to change the setting
and press the SET button to save the change.
D. Press the Push to Freeze button and let the
machine cycle 4-5 times.
E. Draw product from the barrel immediately after
the compressor cycles off after the
fi fth time and
test the product for consistency and temperature.
F. Adjust the product consistency by increasing or
decreasing the CutIn Consist Offset setting.
G. If the machine short cycles (short on/off
compressor run times), change the settings as
follows:
1. If the product is too soft, increase the CutOut
Consist Offset.
2. If the product is too fi rm, decrease the CutIn
Consist Offset.
H. Allow the machine to cycle 3-4 more times after
making the adjustment.
I. After 3-4 cycles, draw product from the barrel
immediately after the compressor cycles on.
If the product is servable when the compressor
cycles on but it is too
fi rm at the end of the cycle,
reduce the CutOut Consist Offset.
SETTING DISCHARGE PRESSURE ON WATER
COOLED MACHINES
A. Water cooled machines require the water
condenser valves to be adjusted to maintain
a discharge pressure of 225-235 psig. When
adjusting the discharge pressure the machine
must be under a full load with both cylinders
running and the hopper running (if applicable).
Figure 2-6
Figure 2-7