Danfoss AK-PC 351 User Manual

14 User Guide RS8GZ302 © Danfoss 2015-06 AK-PC 351
General functions
Digital input Digital input
There are two general digital inputs that can be used by the controller.
DI7 cong The DI7 input can be set to:
• Not used
• Receive night signal. The signal will raise the suction pressure with set oset.
• Register signal from an LP switch. The signal will cause the controller to stop all compressors.
DI-demand
Night / LP switch
Fac: Not used
DI8 cong The DI8 input can be set to:
• Not used
• Register signal from an HP switch. The signal will start an override of the fan capacity, and
the compressor capacity will cut.
• Registering a general alarm.
An alarm text can be connected along with a general alarm. This text can be seen in the
display and can be sent to a system device.
DI-demand
General / HP switch
Fac: Not used
DI8 Alarm tekst The following alarm texts can be selected when DI8 is selected for generel alarm:
Generel alarm, Low pressure, High pressure, High temp, Low temp, Oil level, Oil temp, Liquid
level, Leak, Inverter fault.
DI8 Alarm delay Delay time for the DI8 alarm
Min: 0 min.
Max: 360 min.
Fab: 5 min.
System
Display Select views on the display
-
Language Choose from the following languages:
English, Danish, Spanish, Portuguese, German, French, Dutch, Russian, Czech, Polish, Turkish,
Italian, Croatian, Serbian, Hungarian and Rumanian.
Fac: UK English
Engineering units Device
Select SI or Imperial (when setting the compressor capacity with U.S. values).
SI / Imperial
Fac: SI
Pressure units
Pressure unit (All pressure readings and settings are in relative pressure.)
Select bar or PSIG
Bar / PSIG
Fac: bar
Temperature units Temperature unit
Select °C or °F.
°C / °F
Fac: °C
Screen saver time Screen saver time
If no buttons have been pushed for a specic period of time, the light in the display will be
minimised.
The light level will be restored upon renewed activity.
Min: 1 min.
Max: 60 min.
Fac: 1 min.
User logout time Log-o time
If buttons have not been pressed within a specied period of time, the screen will return to
the overview display. Afterwards, the user will have to log on again.
If the time is changed, the new time will apply the next time the user logs in.
If you log out here without waiting for the time-out period to elapse, go to the "Home" dis-
play and hold down the “X” button for 3 seconds.
Min: 1 min.
Max: 60 min.
Fac: 2 min.
Password Access code
The settings in the controller can be protected with three levels of access codes.
Level 1: Only see
Level 2: Adjusting installer level
Level 3: Conguration of system settings (conguration menu)
The access code is a number between 001 and 999.
Password level 1
Fac: 100
Password level 2
Fac: 200
Password level 3
Fac: 300
Network Network
-
Modbus Address Set the address of the controller here if it is connected to a system device via data communi-
cation.
Min: 1
Max: 120
Fac: 1
Baudrate The controller only communicates with system devices that have this baud rate, e.g. AK-SM
850. The value must not be changed
Fac: 384
Serial mode The value must not be changed
Fac: 8E1
Reset to factory Return to factory settings
If this function is set to “YES”, all settings will be returned to factory default settings, and the
alarm list will be cleared.

Danfoss AK-PC 351 Specifications

General

Brand	Danfoss
Model	AK-PC 351
Category	Controller
Language	English