Chilling Program Storage; Chilling Program Execution; Alarms; Evaporator Probe Alarm - Welbilt Delfield CV5E Original Instructions Manual

Blast chillers
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Technical Information

14 - CHILLING PROGRAM STORAGE

The user has the button (16), which allows the saving or
recalling of 99 chilling cycles.
To store a chilling cycle the user must:
1) set a chilling type (button 1 - 2)
2) set the mode of chilling (by temperature or by time,
button (5))
3) set the total time or the final temperature +/- buttons.
4) press and hold (long press) the "PROGRAM" button
(16) until the beeper emits a beep; the LED of the button
starts to flash. On the basis of the first display it will flash
signifying waiting for setting of the first letter/number.
5) then using the keys +/- set the first letter/number and
confirm with the button (5). This will confirm the value,
passing on to the next one. Arriving at the ninth character
or even before, it is possible to press the START button for
start and storage (ATTENTION, if a program with the same
name already exists, it will be overwritten.)
6) press START/STP (22)
With Start the software stores the "type" and "mode" of the
chilling selected.
To discontinue saving of the program, press the storage
button again or wait for the TimeOut (approximately 10
seconds). If time chilling has been set, the duration set is
stored.
In the case of temperature chilling, it will store the
time in which the insert probe reaches the PRODUCT
TEMPERATURE SET, and will store this time as durtion of
chilling.
In addition, if the chilling is Positive Hard, it also saves the
time necessary to reach the core at 68°F (20°C) (Hard).
When saving a temperature (insert probe) chilling cycle,
the LED of the programming button flashes to indicate
that storage of the times is in progress. As soon as the
temperature chiling cycle ends, the LED stops flashing to
indicate that storage has been successful.
If storing a temperature cycle, this stops (due to alarms,
button stop, etc.), the cycle times are not saved. The initial
settings however remain saved.

15 - CHILLING PROGRAM EXECUTION

To call up and run a memory-resident program, the user
must:
1) press the "PROG" button (short press), the LED lights up
and with the +/- buttons, select one of the saved programs.
2) press START
16
If the save button is pressed by accident, pressing it again
will exit that function.
While a program is running, by pressing the "PROG" button
the display shows the name of the program in progress.

16 - ALARMS

Summerized here are the main alarms that can appear
and that will be represented by the scrolling text on the
display:

16.1 - Evaporator probe alarm

Cause: being outside the operation range (-58°F (-50°C) /
212°F (100°C)) for more than 30 seconds.
Effect: Interruption of any defrosting in progress. Inhibition
of all periodic defrosting. Inhibition of manual defrosting
(except forcing of fans with machine at standstill).
Beeper: The beeper sounds (3 seconds then pauses for 30
seconds) until the silencer button is pressed.
Display: The display shows the scrolling text "AL01 -
SONDA EVAPORATORE DIFETTOSA - FAULT EVAPORATOR
PROBE". Flashing RED symbol (14).
Reset: It resets by itself if the value of the probe falls
(approximately 20 seconds), or if the probe is excluded
with parameter "/5".

16.2 - Product probe alarm

Cause: being outside the operation range (-58°F (-50°C)
/ 212°F (100°C)) for more than 30 seconds with a
temperature chilling cycle in progress.
Effect: Interruption of the temperature chilling cycle in
progress resulting in automatic start of Time chilling.
Inhibition of all periodic defrosting. Inhibition of
temperature chilling button.
Beeper: The beeper sounds (3 seconds then pauses for 30
seconds) until the silencer button is pressed.
Display: The display shows the scrolling text "AL02 -
SONDA PRODOTTO 1(2) DIFETTOSA - FAULT PRODUCT
PROBE 1(2)". Flashing RED symbol (14).
Reset: Press the alarm silencer button (with beeper off )
or exclede with parameter "/9" (temperature chilling
disabled).

16.3 - Cell probe alarm

Cause: being outside the operation range (-58°F (-50°C) /
212°F (100°C)) for more than 30 seconds.
Effect: If START is given to a positive chilling (both with Time
and Temperature) or if the latter is already in progress, it
immediately goes into pause-work positive storage mode
(C5 and C6 parameters0
If START is given to a negative chilling (both with Time
Section 2
Part Number: 9294045 07/19

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