Instructions, Maintenance and Service Manual ULTRAFREEZER Series
10
After releasing the
‘BATT.’
button, the actual temperature will appear again in the display.
Settings can be changed as mentioned in the paragraphs 7.5, 7.6 and 7.7 (the controller is set
on the factory settings).
7.5. Changing the setpoint
After having entered the correct access code, the setpoint can be changed in the display by
pressing
‘SETP.’
button. Press
Setp.
button and at the same time press
▲
or
▼
to modify the
setpoint.
7.6. Changing the alarm
By pressing the
‘PRG’
button, alarm limits, the alarm temperature signalled by relay, the switch-
on temperature of the CO
2
cooling and can be modified.
After pressing the ‘
PRG
’ button, the display will show
P30
(
LED under
‘PRG’
button will light on).
By pressing
‘SETP.’
the set value of the
minimum alarm temperature
appears. This can be
changed by pressing the
‘SETP.’
and
▲
or
▼
buttons at the same time. Release the buttons
when the correct value is reached. The display will returns to its normal status when the
‘PRG’
button is pressed or when during 30 seconds no button is used.
When the
▲
button is pressed, the display will show
P31
. When the
‘SETP.’
is pressed, the
display will show the adjusted value of the
maximum alarm temperature
. This can be changed
by pressing the
‘SETP.’
and
▲
or
▼
button at the same time. Release the buttons when the
correct value is reached. The display will go back to its normal status when the
‘PRG’
button is
pressed or when during 30 seconds no button is used.
When again the
▲
button is pressed, the display will show
P37
. When the
‘SETP.’
is pressed,
the display will show the adjusted value of the
alarm temperature relay (or telephone
selector)
. This can be changed by pressing the
‘SETP.’
and
▲
or
▼
at the same time.
Release the buttons when the correct value is reached. The display returns to its normal status
when the
‘PRG’
button is pressed or when during 30 seconds no button is used.
When again the
▲
button is pressed, the display will show
P50
. By pressing
‘SETP.’
the display
will show the set value of the
‘switch on’ temperature of the CO
2
backup system.
This can be
changed by pressing the
‘SETP.’
and
▲
or
▼
at the same time. Release the buttons when the
correct value is reached. The display returns to its normal status when the
‘PRG’
button is
pressed or when during 30 seconds no button is used.
When again the
▲
button is pressed, the display will show
P70
. By pressing
‘SETP.’
the display
will show the set value of the
‘alarm relay’.
This can be changed by pressing the
SETP.’
and
▲
or
▼
at the same time. Release the buttons when the correct value is reached. The display
returns to its normal status when the
‘PRG’
button is pressed or when during 30 seconds no
button is used.
When again the
▲
button is pressed, the display will show
P80
. By pressing
‘SETP.’
the
display will show the set value of the
‘actual year’.
This can be changed by pressing the
SETP.’
and
▲
or
▼
at the same time. Release the buttons when the correct value is
reached. The display returns to its normal status when the
‘PRG’
button is pressed or when
during 30 seconds no button is used.
When again the
▲
button is pressed, the display will show
P81
. By pressing
‘SETP.’
the
display will show the set value of the
‘actual month’.
This can be changed by pressing the