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4.4. Electronic controller EVCO
4.4.1. Light Signals on the Electronic Controller`s Display:
Diode а –
Compressor
:
The symbol is visible during operation of
the compressor. It is blinking when modification process is ongoing or
in case when compressor operation is protected by security procedure.
Diode b –
Defrosting
: the symbol is visible when the defrosting
function is turned on. It is blinking when defrosting start is delayed
by external disengagement or when another procedure is in progress.
Diode c –
Celsius
temperature scale
. The symbol is visible when
temperature is set in degrees Celsuis.
Diode d –
Fahrenheit temperature scale
. The symbol is visible when temperature is set in degrees Fahrenheit.
Diode f –
temperature inside
the cabinet.
During operation the display of the controller shows the actual temperature inside the equipment.
• Locking/unlocking of the controller keypad
The controller keypad is automatically locked in 30 seconds after the last pressure of the button - the
«Loc»
code is displayed for 1
second. To unlock press any button while holding it for 4 seconds -
«UnL»
code will be displayed for 4 seconds.
• Turning on/off of the equipment
Ensure that the keypad is not locked, unlock if necessary. To turn the equipment on/off press the button and
hold for 4 seconds -
the indicator will blink, after this the equipment will be switched on / off.
When voltage is supplied, the red switch must light up (switch is equipped with light diodes, so when the voltage is supplied, it must light up).
4.4.2. Setting of the Temperature
• make sure the keypad is not locked, unlock if necessary
• briefly press the button
, indicator (
) will start to blink;
• using the buttons
and
set the required tempera;
• briefly press the button
to confirm or do nothing within 15 seconds - the indicator (
) will stop blinking, the controller
completes the setup process (all changes will be saved).
4.4.3. Warning Signals
„Pr1”
- malfunction of temperature sensor
„Pr2”
- malfunction of defrost sensor
„СOH”
- warning signal indicating that condenser is dirt and overheated;
„dFd”
- defrosting process is finished.
Picture 15. Electronic controller EVCO
