Danfoss AK-CC 460 Manuale di istruzioni - Pagina 5

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Operation

Controller/Display

The values will be shown with three digits, and with a setting you

can determine whether the temperature is to be shown in °C or in

°F.

Light-emitting diodes (LED) on front panel

The LED's on the front panel will light up when the relevant relay

is activated.

= Refrigeration

= Defrost

= Fan running

The light-emitting diodes will flash when there is an alarm.

In this situation you can download the error code to the display

and cancel/accept for the alarm by giving the top button a brief

push.

The buttons

When you want to change a setting, the upper and the lower

buttons will give you a higher or lower value depending on the

button you are pushing. But before you change the value, you

must have access to the menu. You obtain this by pushing the

upper button for a couple of seconds - you will then enter the col-

umn with parameter codes. Find the parameter code you want to

change and push the middle button until value for the parameter

is shown. When you have changed the value, save the new value

by once more pushing the middle button.

Examples

Set menu

1. Push the upper button until a parameter r01 is shown

2. Push the upper or the lower button and find that parameter you

want to change

3. Push the middle button until the parameter value is shown

4. Push the upper or the lower button and select the new value

5. Push the middle button again to set the value.

Cutout alarm relay / receipt alarm/see alarm code

• A short press of the upper button

If there are several alarm codes they are found in a rolling stack.

Push the uppermost or lowermost button to scan the rolling

stack.

Set temperature

1. Push the middle button until the temperature value is shown

2. Push the upper or the lower button and select the new value

3. Push the middle button again to conclude the setting.

Reading the temperature at defrost sensor (Or product sensor, if

selected in o92.)

• A short press of the lower button

Manual start or stop of a defrost

• Push the lower button for four seconds.

AK-CC 460

Get a good start

With the following procedure you can start regulation very quick-

ly:

1 Open parameter r12 and start the regulation

2 Go through the survey of factory settings. Make any necessary

changes in the respective parameters.

3 For network. Set the address in o03

4 Send address to system unit:

• MODBUS: Activate scan function in system unit

• If another data communication card is used in the controller:

- LON RS485: Activate the function o04