9
Checks, regulations and adjustments
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 2 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.
6. "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.
7. "ON/OFF" key: when pressed for 2 seconds it turns the unit on or off.
8.
"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.
Before turning the unit on, check that:
- locking screws are tight
- electrical connections have been carried out correctly.
In the event that the unit has been opened:
- no tools were left inside
- assembly is correct
- there are no gas leaks
10