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Models C709 & C717Important: To the Operator
140303
Use the up or down arrow symbol to move the
cursor to “YES”. Touch t he SEL symbol to
immediately start a heat cycle.
Note: The machine must be in AUTO or STANDBY
and have sufficient mix in the hopper before the
machine can successfully enter the HEAT mode of
operation.
Heat Cycle
The HEAT symbol on the control panel is illuminated
throughout the heat treatment cycle. Two warning
messages will be displayed on the screen. “DO NOT
DRAW” will be displayed when the mix temperature
is below 130°F (54.4°C).
DO NOT DRAW
When the temperature of the mix is above 130°F
(54.4°C) the screen will display a message
indicating that HOT PRODUCT is in the machine.
HOT PRODUCT
DO NOT attempt to draw product or
disassemble the unit during the HEAT cycle. The
product is hot and under extreme pressure.
In the HEAT cycle, the mix temperature in the
hopper and freezing cylinder must be raised to
151°F (66.1°C) within 90 minutes.
When the heating phase is complete, the freezer
goes into the holding phase of the cycle. The holding
phase will keep the temperature above 151°F
(66.1°C) for a minimum of 35 minutes.
The final phase of the heat treatment cycle is the
cooling phase. The freezer must cool the mix below
41°F (5°C) within 90 minutes for UVC3 units or 120
minutes for UVC4 units.
When the entire heat cycle has been completed, the
HEAT symbol will no longer be illuminated. The
machine will enter the STANDBY mode (STANDBY
symbol illuminates). The machine can be placed in
AUTO or left in STANDBY.
To comply with health codes, heat treatment system
freezers must complete a heat treatment cycle daily
and must be disassembled and brush cleaned
according to the frequency specified by your
Federal, State, or local regulatory agencies. Please
consult your governing Food Code to determine the
maximum number of days allowed between brush
clean cycles.
Brush cleaning is the normal disassembly and
cleaning procedure found in the Operator Manual.
Failure to follow these guidelines will cause the
control to lock the freezer out of the AUTO mode.
If the Heat Treatment Cycle fails, the screen will
display a failure message and return the freezer to
the STANDBY mode.
Always comply with local guidelines for the
maximum number of days allowed between brush
clean cycles.
Freezer Locks
There are two types of freezer lock conditions that
can occur: Hard Lock or Soft Lock. A Hard Lock
requires the machine be disassembled and brush
cleaned. A Soft Lock can be corrected by either
disassembling and brush cleaning the machine, or
by starting another heat treatment cycle.
Hardlock
There are two causes of a hard lock failure. The
freezer will hardlock if either the Brush Clean Timer
has elapsed or if a Thermistor Failure (Freezing
Cylinder or Hopper) occurred during a Heat cycle.
1. The following screen will be displayed if a Brush
Clean Cycle Time has occurred.
BRUSH CLEAN TIMEOUT
FREEZER LOCKED
CLEANING REQ'D
> WASH TO BRUSH CLEAN