Welbilt Delfield CV10E, Original Instructions Manual

12 

Part Number: 9294045  07/19

Technical Information 

Section 2

5 - MACHINE ON/OFF

When the equipment is powered, it will appear in 

STANDBY conditions (scrolling text on the display). To start 

the machine press the button (1) for at least 3”. Similar to 

machine without cycles in progress, to switch it off simply 

press the button (1) for at least 3”.
Where a cycle was in progress, and the situation is returning 

from a blackout the appliance, once reconnected, will 

resume from the interrupted cycle.

5.1 - Compressor preheating management

Upon ignition of  the equipment a compressor preheating 

time of 120 minutes must be respected where the blast 

chiller is not available.
The scrolling text will appear “Compressor Heating-

Riscaldamento Compressore” and then the fixed lettering 

“XXX min” to represent the time remaining. These two 

messages will alternate until the end of heating. This phase 

can be bypassed by pressing the “HACCP” (11) button for 

approximately 5 seconds.

6 - DATE AND TIME SETTING

Upon initial ignition, it is advisable to check the date and 

time set; their accuracy is beneficial in relation to HACCP 

management.
To access the clock setting, press for more than 5 seconds 

the Temperature/Time button (5) with the machine in 

Stop mode. The laels shown below will appear on the left 

display; the right display will show the 2-digit numeric 

value to be set:

Hour(Ora) / Minute(Minuti) / Day(Giorno) / Month(Mese) / 

Year(Anno)

The Temperature/Time button (5) can be used to scroll 

through the labels, while with the +/- buttons (21/7) it is 

possible to change the values.
After the year value the change will be automatically 

saved.

7 - BLAST CHILLING CYCLES

7.1 - General operating principles

Pre-cooling of the machine should always be performed 

upon initial running of a blast chilling or deep freezing 

operation. This optimises the subsequent work cycle, 

reducing the time.

Blast chillers are refrigeration systems that work with a two-

phase cycle:
•  Chilling phase (limited duration)
•  Storage phase (unlimited period)

The chilling phase starts upon pressing of the “Start/Stop” 

button (22) and continues until the end of the chilling 

phase that is used to achieve the time set (Time chilling) or 

for reaching of the product temperature set (Temperature 

chilling); changing to the unlimited duration storage cycle 

takes place automatically (except for the the HARD+HARD 

negative chilling cycle). It is possible to stop the chilling 

or storage at any time by pressing the “Start/Stop” button 

(22).

Chilling time

During this type of chilling, the display (18) shows the cell 

probe temperature while the other display (19) shows the 

time remaining at the end of the chilling phase. The Time 

chilling LED (6) is lit as is the time symbol (20).

Temperature chilling

If Temperature chilling is selected, at the start of a cycle a 

check is performed of the correct insertion of the product 

probe (if enabled). If the test provides a negative result 

an alert appears on the display “SONDA NON INSERITA - 

PROBE NOT INSERT” and the beeper sounds for 60 seconds 

(parameter c9); that symbol disappears when the beeper 

is silenced by pressing the button (7). If instead the button 

is pressed again (5) switching to Temperature cycle, the 

cycle continues based on the data read by the product 

probe. If nothing is pressed, the temperature cycle 

automatically switches into a Time cycle for the remaining 

duration of the countdown.
During this type of chilling, a display (18) will show the 

temperature of the probe (the highest value of the two) 

and the other (19) will show a countdown. The countdown 

only starts when the insert temperature is less than 149°F 

(65°C). The temperature chilling LED (4) is on as is the 

probe insert symbol (17).

Chilling and strorage status symbols

During chilling the LED that lights the sybol will be lit and 

flashing. Upon completion of chilling, this LED flashes 

alternately with the LED located beneath the storage 

symbol (8) while the beeper sounds for 60 sec, and the 

scrolling text appears “End Cycle - Fine Ciclo”. After this 

time, the chilling LED (9) switches off, the storage one 

starts flashing (8) and the scrolling text disappears (even 

when the beeper silencer button (7) is pressed.
The LED (8) will flash when the compresser is on while if 

the set value has been reached, they will only remain lit 

until transition to storage. Similarly with storage, the LED 

(9) will flash when the compressor is active and will remain 

lit for the rest of the storage.