If the set temperature difference E03 is negative,
an alarm is given if it is too cold in the refrigerated area,
e.g. E03 = –10 K, cold store setpoint = –18 °C
➝ alarm at –28 °C in refrigerated area.
If the set temperature difference E03 is positive,
the alarm is given if it is too warm in the refrigerated area,
e.g. E03 = +10 K, cold store setpoint value = –18 °C
➝ alarm at –8 °C in the refrigerated area.
Attention: any change of the cold store set point value changes
also the alarm temperature.
If E03 is set to 0, no alarm will be given.
I Exiting programming mode: Press the key after the last level
has been entered.
6.6 Manual defrost
Press and hold down the key for 5 seconds. The manual defrosting
process will be initiated.
7 Programming
Access to the second programming level:
I Press and hold down the , and keys at the same time for
approx. 5 seconds
(E01 appears in display).
I Use or key to select parameters.
I Setting: Press and hold down the key.
Adjust the setpoint value to the desired figure using
the or key.
7.1 Input parameters and input ranges:
Parameter in display Setting range
( or ) ( and or ) Preset
E01 Cold store temp. difference 1 to 20 K 2 K
E02 Time between 2 defrost cycles 1 to 24 hours 8 hours
☛ Once the controller has been switched on, defrosting occurs
for the first time at the end of the first time interval.
12
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