Unicum Foodbox Series User Manual page 42

ТМ
Defrosting
In the defrosting mode, the cooling unit is deactivated, the evaporator fan
operates in accordance with the user-defined mode, the temperature sensors
are monitored.
The duration of the defrosting mode is determined by defrosting time, speci-
fied in the (Defrosting time) service menu item. Upon completion of the spec-
ified time period the unit switches to STANDBY mode. The duration of de-
frosting is also affected by sensor No. 3 - at the evaporator temperature below
the minimum value the unit switches to the defrosting mode or remains in this
mode until the evaporator temperature exceeds the minimum value.
Cooling
In the cooling mode, the unit is activated, the evaporator fan operates in
accordance with the user-defined mode, the temperature sensors are moni-
tored.
The cooling unit operating time may not exceed 30 minutes. Upon expira-
tion of this period the unit is deactivated and after the additional two minutes
the controller switches to STANDBY mode.
In the cases, if during the cooling unit operation the temperature at sensor
No.1 lowered down to the temperature, specified in (Min. temperature) menu
item, the unit is deactivated and after the additional two minutes, it switches
to STANDBY mode.
If the temperature at sensor No. 3 is below the value specified in (Min.
evaporator temp.) menu item, the cooling unit is deactivated and switches to
ANTI-ICING mode
Anti-icing
The anti-icing mode is used for preventing the cooling unit icing. In this mode
the unit is deactivated, the temperature value at sensor No.3 is monitored.
Upon reaching the value preset in the (Evaporator max. temp.) menu item,
the controller switches to the STANDBY mode. To reduce the possibility of
icing use the recommended values of temperature settings.
Evaporator fan
The evaporator fan operation mode can be changed by choosing the re-
quired mode in the service menu (menu item Fan control):
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