Bulletin 100-50-6.5 –
Page 3
2.11 Locking/unlocking the keyboard
To lock the keyboard:
• make sure no procedures are running
• press and hold
and
for 2 seconds: the display will show
“
Loc” for 1 second.
If the keyboard is locked, it will not be possible to:
• manually turn the device on/off
• show the cabinet temperature (using the procedure indicated in
paragraph 2.4)
• show the evaporator temperature (using the procedure indicated in
paragraph 2.5)
• show the temperature read by the auxiliary probe (using the proce
-
dure indicated in paragraph 2.6)
• manually activate defrost
• manually turn the auxiliary output on/off
• view information pertaining to the HACCP alarms
• delete the HACCP alarm list
• change the operational setpoint using the procedure indicated in
paragraph 3.1 (the operational setpoint may also be set by means of
parameter SP)
• display the total hours of compressor operation
• delete the total hours of compressor operation.
These operations will cause the label “
Loc” to be displayed for 1
second.
To unlock the keyboard:
• press and hold
and
for 2 seconds: the display will show
“
UnL” for 1 second.
2.12 Silencing the alarm
• make sure no procedures are running
• press any button (the first button pressed does not trigger the as
-
sociated effect).
If the fourth output is set as an alarm output (parameter u1 = 4) and
parameter u4 is set to 1, then silencing the alarm buzzer will also
deactivate the alarm output.
3 SETTINGS
3.1 Setting the date and time (clock)
• make sure the keyboard is not locked and no procedure is running
• press and hold
for 2 seconds: the display will show the first
available label
• press
or
to select “
rtc”.
To modify the year:
• press
within 60 seconds: the display will show “
yy” followed by
the last two digits of the year
• press
or
within 15 seconds.
To modify the month:
• press
within 15 seconds: the display will show “
nn” followed by
the two digits for the month
• press
or
within 15 seconds.
To modify the day of the month:
• press
within 15 seconds: the display will show “
dd” followed by
the two digits for the day
• press
or
within 15 seconds.
To modify the hours:
• press
within 15 seconds: the display will show “
hh” followed by
the two digits for the hour
• press
or
within 15 seconds.
To modify the minutes:
• press
within 15 seconds: the display will show “
nn” followed by
the two digits for the minutes
• press
or
within 15 seconds
• press
or do not press any other buttons for 15 seconds.
To exit the procedure:
• press
or
until display shows the quantity you have set with
parameter P5 or do not press any other buttons for 60 seconds.
Alternatively:
• press
3.2 Setting the working setpoint
•
make sure the keyboard is not locked and no procedure is running
• press
