Connection To Water System; Electric Controls; Control Panel - Zanotti SP1 Mode D'emploi Et D'entretien

7.2 Connection to w ater system
This connection is only necessary if the unit has a water-cooled condenser. It is effected by following the
indications of the tags positioned by the inlet and outlet pipes. Connection pipes should never be smaller in
diameter than those on the unit. A minimum water pressure of 1 bar is required for correct operation of the unit.

8 ELECTRIC CONTROLS

8.1 Control panel

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
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. During
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.
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water condenser
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