8 Electric controls
8.1 Control panel
SET : SET POINT display: By pressing and releasing this key the set point is displayed.
SET POINT change: By pressing the key for 3s the set point value is displayed and the set point change
mode is entered: the SET led blinks. In order to change the value use the and keys.
Then, the new value can be stored either by pressing the "SET" key (the instrument restores temperature
display) or by waiting the programming exit timeout (15s).
UP : In the programming mode or in the "Function Menu" it browses the parameter codes or increases the
value of the variable displayed. Keep pressed for a faster change.
Manual defrost: by pressing it for 5s the defrost cycle will start
DOWN : In programming mode or in "Function Menu" it browses the parameter codes or decreases the
value of the variable displayed. Keep pressed for a faster change.
LIGHT : It switches on and off the light.
ON/OFF : It activates and deactivates the card stand-by.
A series of light points on keyboard is used to monitor the loads controlled by the instrument. Each LED
function is described in the following table:
LED
MODE
ON Compressor enabled
ON Fan enabled
ON Defrost enabled
ON ALARM signal
ON Auxiliary exit ON
ON The set point is displayed
ON The instrument is on standby
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Checks, regulations and adjustments
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
- front cover is secured correctly
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.
FUNCTION
BLINKING Anti-short cycle delay enabled
BLINKING Drain enabled
BLINKING Drain time in progress
In "Pr2" indicates the parameter is also present in
"Pr1""
BLINKING The set point is displayed and it is modifiable
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