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Model PH61 Important: To the Operator
The mix temperature must be raised above 151_ F
(66.1_C) within 90 minutes or the freezer will be
locked in STANDBY, and the cycle failure display
will appear.
In the example, the hopper temperature is 140_F
(60_C). The phase shows that the machine is in the
heat phase of the heat treatment cycle.
When the heating phase is complete, the freezer
goes into the holding phase of the cycle. The holding
phase will hold the temperature above 151_F
(66.1_C) for a minimum of 30 minutes.
In this example, the hopper temperature is 151_F
(66.1_C).
MODE: HEAT
PHASE: HOLD
HOPPER TEMP: 151.0 F
BRUSH CLEAN ON: MM/DD
The final phase of the heat treatment cycle is the
cooling phase. Now the freezer must cool the mix
below 41_ F(5_C). If the product fails to cool in two
hours, the freezer will lock out.
This example illustrates that the temperature is
being lowered, but has not yet reached the set point.
MODE: HEAT
PHASE: COOL
HOPPER TEMP: 55.0 F
BRUSH CLEAN ON: MM/DD
The entire heat treatment cycle must be completed
in four hours.
When the entire heat cycle has been completed, the
normal display will appear, showing the machine in
the STANDBY mode. The machine may now be
placed in the AUTO mode or left in the STANDBY
mode.
MODE: STANDBY
HOPPER TEMP: 41.0 F
BRUSH CLEAN ON: MM/DD
Hard Lock: There are two causes for a hard lock:
1. Fourteen days have elapsed since the last
brush cleaning. The following screen will be
displayed.
14 DAY TIMEOUT
CLEANING REQ'D
FREEZER LOCKED
PRESS SEL KEY
2. There has been a thermistor failure (freezing
cylinder, hopper, or glycol) during the heat
treatment process.
SYSTEM FAULT
SERVICE REQ'D
FREEZER LOCKED
PRESS SEL KEY
All four LED's on the front of the freezer will light.
Press the SEL key.
The next display is the screen which will appear
after the failure message. To comply with health
codes, heat treatment system freezers must
complete a heat treatment cycle daily, and must
also be brush cleaned every 14 days. Brush
cleaning is the normal disassembly and cleaning
procedures. Failure to follow these guidelines will
cause the control to lock the freezer out of the
AUTO mode. Press the WASH key.
NO AUTO OPERATION
ALLOWED UNTIL
BRUSH CLEANING
PRESS WASH KEY
The next display is the screen which will appear
after the brush cleaning message and illustrates that
the control is in the OFF mode and the machine
needs to be disassembled and brush cleaned.
MODE: OFF
HOPPER TEMP: 45.0 F
FREEZER LOCKED