Vollrath STOELTING O431RC, Руководство оператора

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K. The machine dispenses product at a reasonable
draw rate. If the machine is overdrawn, the result
is a soft product or a product that will not dispense
at all. If this occurs, allow the machine to run for
approximately 30 seconds before dispensing more
product. A dispense rate adjustor is located under
the header panel, to the immediate right of the
spigot handle. Turning the knob counterclockwise
will decrease the dispense rate.
M. Do not operate the machine when the MIX LOW
message is displayed. Refill the mix container
immediately.
NOTE
The machine has a standby and sleep mode. After
a preset number of freezing cycles, it will enter the
standby mode (followed by sleep mode) and remain
there until someone draws product or presses the
PUSH TO FREEZE button. In the sleep mode, the
machine will keep the product below 41°F (5°C).
Sleep modes do not take the place of cleaning and
sanitizing. Federal, State, and local regulatory agen-
cies determine frequency of cleaning and sanitiz-
ing.
3.12 MIX INFORMATION
Mix can vary considerably from one manufacturer to
another. Differences in the amount of butterfat content
and quantity and quality of other ingredients have a direct
bearing on the finished frozen product. A change in
machine performance that cannot be explained by a
technical problem may be related to the mix.
Proper product serving temperature varies from one
manufacturer’s mix to another. Mixes should provide a
satisfactory product in the 20°F to 24°F range. Diet and
low-carb mixes typically freeze to proper consistency at
higher temperatures.
When checking the temperature, stir the thermometer in
the frozen product to get an accurate reading.
Old mix, or mix that has been stored at too high a
temperature, can result in a finished product that is unsat-
isfactory. To retard bacteria growth in dairy based mixes,
the best storage temperature range is between 33° to 38°F
(0.5° to 3.3° C).
3.13 OPERATION OF MIX PUMP
The mix pump switches are located on the back panel.
When a pump switch is placed in the ON position, the mix
pump motor will start pumping mix into the freezing cylin-
der. When the set pressure is reached, the mix pump will
shut off automatically. When the switch is placed in the
OFF position, the mix pump will not operate.
NOTE
The mix pump motor is equipped with an internal
overload that will “trip”, disabling the pump when
the motor is overloaded. Consult the trouble shoot-
ing section for corrective information. The internal
overload will automatically reset after cooling. If the
condition continues, contact a qualified service per-
son.
A. Mix Operation: The peristaltic mix pump contains
one continuous mix pump hose. When looking at
the face of the peristaltic mix pump, the left side
of the hose is the mix intake or pickup. The right
side of the hose is the mix discharge. Mix is drawn
up the pickup side of the hose and transferred
through the discharge side to the machine (Fig. 3-
9).
B. Air Operation: The air compressor operates
whenever the peristaltic mix pump is running. Air
enters through a check valve on the piston
downstroke. The air is discharged through a
second check valve, on the piston upstroke. The
air and mix join at the tee and then travel to the
machine.
C. The overrun adjustment is preset at the factory. If
an adjustment becomes necessary, refer to
Section 4.
Figure 3-9 Mix Pump Hose Routing
Air Line
Mix
Intake
Mix
Discharge
3-way
Tee
Air/mix to
Freeezing
Cylinder