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1. The controller
1) Keys
SET: To display set-point; in programming mode it selects a parameter or
confirms an operation.
: To start a manual defrost.
: To see the maximum stored temperature; in programming mode it browses
the parameter codes or increases the displayed value.
: To see the minimum stored temperature; in programming mode it browses
the parameter codes or decreases the displayed value.
: To turn on/off the power to the unit.
+
: To lock/unlock the keypad.
SET+
: To enter in the programming mode.
SET+
: To return to the temperature display.
2) Lock and unlock the keys
To lock the keys, press up + down keys
the keys, press up + down keys
3) Display
During normal operating conditions, the display shows the value measured by the
air temperature probe. In case of active alarm, the temperature flashes alternately
to the code alarm. The LED functions are listed as follows.
LED
Temperature and Humidity
Fig. 2 TEMPERATURE CONTROLLER
+
until PON is displayed.
MODE
ON
Flashing
ON
ON
Flashing
ON
ON
Flashing
-6-
+
until POF is displayed; to unlock
FUNCTION
Compressor enabled
Anti-short cycle enabled
Defrost enabled
Fan enabled
Fan delay after defrost enabled
Alarm occurring
Temperature measuring unit
Programming mode
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