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ൎ Access the first programming level by pressing
the and keys at the same time for 5 seconds.
ൎ Then use the and keys to access the parameters
to be changed.
ൎ Access the second programming level by pressing
the and and keys simultaneously
for 5 seconds.
¼ To exit from the programming levels and save the data, press
the key after the last input parameter. If no key is pressed in
either of the programming levels for 10 minutes, this mode will be
exited without the data being saved.
¼ Do not display altered parameter data before saving the data, as it
would be reversed to its original value in the process.
6.4 Setting the cold store temperature
Press and hold down the key. Adjust the setpoint for
the value in question using the or key.
Adjustment is possible within the limits of the input parameters E12
and E13.
The factory setting is +4 °C.
6.5 Changing the cold store temperature difference,
defrost cycle and alarm tempera-ture
Access to the first programming level:
¼ Press and hold down the and keys at the same time for
approx. 5 seconds (E01 appears in the display for
PCR-300 and E00 for PCR-300RC)
¼ Setting: Press and hold down the key. Adjust the setpoint value
to the desired figure using the or key.
Input parameters and input ranges:
Display Setting range Preset
E00 Time, for PCR-300RC only 0.00 to 23.5, 12’0
see section 6.6
E01 Cold store temp. difference 1 to 20 K 2 K
E02 Time between 2 defrost cycles 1 to 24 h 8 hours
E03 Alarm temperature difference –50 K to +50 K 20 K