AK-PC
551
User
Guide RS8GY302 © Danfoss 2015-06
15
General functions
Digital input alarms
General on/off alarm
Here you can define up to 3 alarms that are not related to the regulation function. When
a signal is received on the input, the controller will generate an alarm, but only after the
related delay time has elapsed.
The alarm can be defined to be active for an on/off signal.
An alarm text can be entered for the alarm. This text can be seen in the display and can
be sent to a system device.
1. Define the appurtenant alarm text
2. Set the delay time for the alarm
3. Go to I/O configuration and select an available digital input. Set this input to “General
alarm (no.)”
4. In the subsequent menu, define whether the alarm is to be active for an on/off signal.
No. of DI alarm fct.
1. Define how many general alarms there should be
DI-demand
Min: 0
Max: 3
Fac: 0
DI1 Alarm text
The following alarm texts can be selected:
• General alarm
• High pressure alarm
• Low pressure alarm
• High temperature alarm
• Low temperature alarm
• Oil level alarm
• Oil temperature alarm
• Liquid level alarm
• Leak detection alarm
• Inverter fault
Di1 Alarm delay
Delay time for the DI1 alarm
Min: 0 min.
Max: 360 min.
Fac: 5 min.
DI2....3
The same setting option for a DI2 alarm and a DI3 alarm.
Thermostat
General thermostat
One general thermostat can be defined.
1. Define the function
2. Go to I/O configuration and select an available analogue input. Set this input to
“Saux thermostat”
3. Go to I/O configuration and select an available relay output. Set the output to “thermostat”.
AI-demand
Yes / No
Fac: No
Thermostat cut in
Here set the temperature value at which the thermostat will cut in
Min: -50°C
Max: 150°C
Fac: 5°C
Thermostat cut out
Here set the temperature value at which the thermostat will cut out
Min: -50°C
Max: 150°C
Fac: 10°C
Thermostat temp.
The current sensor temperature of the thermostat can be read here
(But only once the sensor input has been defined and the main switch has been set to “On”.)
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System
Display
Select views on the display
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Language
Choose from the following languages:
English, German, French, Danish, Spanish, Italian, Portuguese, Dutch, Russian, Polish, Czech,
Turkish, Hungarian, Croatian, Serbian, Romanian
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
Select bar or PSIG
Bar / PSIG
Fac: bar
Temperature units
Temperature unit
Select °C or °F.
°C / °F
Fac: °C
Time format
Time format
Choose 12-hour or 24-hour format.
12 / 24
Fac: 24 h
Screen saver time
Screen saver time
If no buttons have been pushed for a specific 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-off time
If buttons have not been pressed within a specified 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 overview
display and hold down the “X” button for 3 seconds.
Min: 1 min.
Max: 60 min.
Fac: 2 min.
Display contrast
Adjust contrast
Min: 0
Max: 100
Fac: 30