Electric Controls; Control Panel - Zanotti DBO-Serie Gebrauchs- Und Wartungshandbuch

8

Electric controls

8.1

Control panel

Control LED (GREEN)
ON : compressor is running, unit is
refrigerating. Flashing : compressor is in start delay
mode.
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.
Control LED (YELLOW)
ON : Automatic or manual defrost is in course.
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.
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.
"SET" key : when pressed it lights up and allows room temperature to be set.
programming it is used to pass from a submenu to an
upper one..
"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.
"SB.M./UP" key: in programming mode it is used to increase the values displayed. If pressed
for more than 5 seconds it enables manual defrost to be carried out.
"ON/OFF" key: when pressed for 3 seconds it turns the unit on or off.
"Enter" key: it gives access to programming menu and submenus. Access to the
programming mode requires the installator's assistance and should be effected only if
necessary.
During
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