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8 Electric controls
8.1 Control panel
1.
Control LED (GREEN)
ON : compressor is running, unit is refrigerating.
Flashing : compressor is in start delay mode.
OFF : compressor is off, room temperature is down to set value.
2.
Control LED (GREEN)
ON : evaporator fan is running.
Flashing : evaporator fan is in start delay mode.
OFF : evaporator fan is off. Defrost is in course.
3.
Control LED (YELLOW)
ON : Automatic or manual defrost is in course.
4.
Alarm LED (RED)
ON : alarm has been activated because of a malfunctioning sensor, or pressure
switch intervention, or cold room temperature exceeding allowed tolerances.
OFF : Unit is operating normally.
5.
DISPLAY : on connection to the mains it shows OFF to indicate the condition of the
unit. By pressing ON/OFF key for 3 seconds the unit is turned ON and the display
shows the cold room temperature. In programming mode the parameters to be set
are displayed; in alarm mode the alarm code is displayed.
6.
"SET" key : when pressed for 3 seconds it lights up and allows room temperature
to be set. During programming it is used to pass from a submenu to an upper
one.
7.
"DOWN/ROOM LIGHT" key: in programming mode or when setting room
temperature it is used to reduce the value displayed; otherwise it is used to
switch on/off the cold room light.
8. "SB.M./UP" key: in programming mode it is used to increase the values displayed. If
pressed for more than 4 seconds it enables manual defrost to be carried out.
