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3. Select the required parameter.
4. Press the
“SET
” key to display its value.
5. Use or to change its value.
6. Press
“SET”
to store the new value and move to the following parameter.
To exit:
Press
SET +
or
wait 15s without pressing a key.
NOTE1:
if none parameter is present in Pr1, after 3s the “noP” message is displayed. Keep the keys
pushed till the Pr2 message is displayed.
NOTE2:
the set value is stored even when the procedure is exited by waiting the time-out to expire.
6.6.2 HOW TO MOVE A PARAMETER FROM THE HIDDEN MENU TO THE FIRST LEVEL AND
VICEVERSA.
Each parameter present in the HIDDEN MENU can be removed or put into “THE FIRST LEVEL” (user level)
by pressing
“SET”
+
In HIDDEN MENU when a parameter is present in First Level the decimal point is on.
HOW TO LOCK THE KEYBOARD
1. Keep pressed for more than 3 s the and keys.
2. The
“POF”
message will be displayed and the keyboard will be locked. At this point it will be possible only
to see the set point or the MAX o Min temperature stored
3. If a key is pressed more than 3s the “POF” message will be displayed.
TO UNLOCK THE KEYBOARD
Keep pressed together for more than 3s the and keys, till the “Pon” message will be displayed.
THE CONTINUOUS CYCLE
When defrost is not in progress, it can be activated by holding the key pressed .
for about 3 seconds.
The compressor operates to maintain the
“ccS”
set point for the time set through the
“CCt”
parameter. The
cycle can be terminated before the end of the set time using the same activation key “ ” for 3 seconds.
THE ON/OFF FUNCTION
With
“onF = oFF”
, pushing the
ON/OFF
key, the instrument is switched off. The
“OFF”
message is displayed.
In this configuration, the regulation is disabled. To switch the instrument on, push again the ON/OFF key.
WARNING: Loads connected to the normally closed contacts of the relays are always supplied and
under voltage, even if the instrument is in stand by mode.
Summary of Contents for LTF 225
Page 1: ...OPERATING INSTRUCTIONS LTF 85 225 325 425 535...
Page 17: ...17 Wiring Diagram LTF 85 325 535...
Page 18: ...18 Wiring Diagram LTF 225...
Page 19: ...19 Wiring Diagram LTF 425...