Specifications

RK0YG302 © Danfoss 04/2007 113
AK-CC 550
Output used for Setting
12345678910
Fan
Rail heat
Compressor
Compressor 2
Defrosting
Defrosting 2
Suction line valve
Heating element in drip tray
Night curtain
Heat thermostat
Alarm
Light
AKV valve, 230 V a.c.
General data
• Supply = 230 V a.c.
• Sensor inputs = 6 no. (of which one for either pressure or tem-
perature)
• AKV output = 1 no.
• Supply to AKV valve = 230 V a.c.
• Number of relay outputs = 5 no.
• Pt 1000 ohm sensors on all outputs (all air sensors can however
be changed to PTC 1000 ohm)
• Pressure transmitter = AKS 32R
• Two versions with dierent sensor connections:
- Screw terminals
- AMP plug (one is however with screw terminals for pressure/S1
temperature)
Extra modules
A module can be mounted in the control. It can be for one of the
following functions:
Data communication with MOD bus
Data communication with LON RS 485
Battery module with extra power reserve.
Sensors
Setting 1-8
The sensors are used as normal. See illustration.
Setting 9
Intended for special appliances with two compartments and two
evaporators (AKV valve feeds both evaporators).
The temperature is controlled with the S4 sensor.
Defrosting with the S5 sensor on Evaporator A.
Sensor input S6 is used as defrosting sensor on Evaporator B.
There is no product sensor.
Setting 10
Intended for special appliances with two compartments and one
evaporator.
The temperature is controlled with the S4 sensor.
Temperature display and alarm monitoring with S3 and S6.
There is no product sensor.
Digital input
There are three digital inputs available with many usage options
for all settings. The two inputs are connection inputs and the third
is a 230 V input.
Application
A setting in the control will activate one of the 10 applications for
which the control is pre-programmed.
Output
The setting will congure the outputs in the following way:
Additional information!
Manual: RS8EN
Functions
• Adaptive control of superheat for optimum use of evaporator
• Day/night thermostat according to ON/OFF or modulating prin-
ciple
• Temperature and alarm according to S3 and/or S4 temperature
• Product sensor S6 with separate alarm limits
• Change between thermostat settings via digital input
• Start of defrosting via internal schedule, digital input or network
signal
• Natural, electric or warm gas defrosting
• Stop of defrosting by time and/or temperature S5
• Adaptive defrosting based on intelligent registering of evapora-
tor performance
• Coordination of defrosting among several controls
• Pulsing of fans when thermostat is disconnected
• Appliance cleaning function for documentation of HACCP proce
-
dure
• Rail heat control according to day/night use or according to cur-
rent dew point
• Door function
• Control of 2 compressors
• Control of night curtain
• Light control according to day/night or network signal
• Heat thermostat
• Multi-function digital inputs
Ordering
Designation
Type Code No.
Refrigeration appliance (with screw terminals)
AK-CC 550 084B8020