2
* View clock time.
Push the UP and DOWN keys simultaneously. The display will show the present time. The decimal
point between hours and minutes starts flashing.
* Changing time.
Push the UP and DOWN key simultaneously to show the time. By pressing the SET key
simultaneously with the UP or DOWN key the time can be set. A few seconds after releasing the
keys, the measured value is shown in the display.
* Start/stop defrost cycle.
The defrost cycle is automatically started and stopped. Settings by via the Internal Parameters.
The defrost can be changed manually:
STOP :
If defrost is on, the defrost can be stopped manually by pushing the DEFROST
key.
START :
If no defrost is on, the defrost can be started manually by pressing the DEFROST
key.
* Setting internal parameters.
Next to the adjustment of the set point a number of internal settings are possible, like differentials,
sensor offsets, set point range, cooling settings, fan settings and defrost settings.
By pushing the DOWN key for more than 10 seconds, the 'Internal Parameter Menu' is entered.
The display shows P01. By the UP and DOWN keys the required parameter can be selected (see
table for parameters).
When the required parameter is selected, press the SET key to show the value of this parameter.
By pushing the UP or DOWN keys the parameter value can be changed.
If for 30 seconds no key is pressed, the ALFANET 85 will return to its normal operation mode and
the changes are stored.
* Adjustment of sensors.
The control sensor can be adjusted withe the 'offset control sensor' (parameter 05). Indicates the
control sensor e.g. 1,2°C too much, the sensor offset should be reduced with 1,2°C. The defrost
sensor is adjusted with the 'offset defrost sensor' (parameter 07).
* Reset of alarm.
During alarm the alarm relay and the internal buzzer are activated. By pressing the SET key the
buzzer will stop and the alarm relay, depending on the internal settings, will drop. The error
message remains flashing in the display, until the cause of the failure is solved.
Summary of Contents for ALFANET 85
Page 6: ...6 Connections...
Page 7: ...7 Dimensions...
