Specifications

76 RK0YG302 © Danfoss 05/2007
Connections
Coordinated defrost via
cable connections
The following controllers can be connected
up in this way:
AK-CC 210
Refrigeration is resumed when all
controllers have “released” the signal for
defrost.
Power supply
230 V a.c.
Sensors
S3 and S4 are thermostat sensors.
A setting determines whether S3 or S4 or both of them are to be
used.
S5 is a defrost sensor and is used if defrost has to be stopped
based on temperature.
Digital On/O signals
A cut-in input will activate a function. The possible functions are
described in menus o02 and o37.
Relays
The general uses are mentioned here.
DO1: Refrigeration. The relay will cut in when the controller de-
mands refrigeration
DO2: Defrost. The relay will cut in when defrost is in progress
DO3: For either fans or refrigeration 2
Fans: The relay will cut in when the fans have to operate
Refrigeration 2: The relay will cut in when refrigeration step 2
has to be cut in
DO4: For either alarm, rail heat, light or hotgas defrost
Alarm: See diagram. The relay is cut in during normal opera-
tion and cuts out in alarm situations and when the controller
is dead (de-energised)
Rail heat: The relay cuts in when rail heat is to operate
Light: The relay cuts in when the light has to be switched on
Hotgas defrost: See diagram. The relay will cut in when de-
frost has to be done.
Data communication
The controller can be carried out with the data communication.
If data communication is used, it is important that the installation
of the data communication cable is performed correctly.
See separate literature No. RC8AC…
The controller cannot be hooked up with a monitoring unit
type m2.
Electric noise
Cables for sensors, DI inputs and data communication must be
kept separate from other electric cables:
- Use separate cable trays
- Keep a distance between cables of at least 10 cm
- Long cables at the DI input should be avoided
AK-CC 210
Application adaptation:
Via a simple selection the controller can be adapted to 10
dierent applications.
Application no.
Outputs Inputs
DO1
DO2 DO3 DO4 DI1 DI2 S3 S4 S5
1
•••••
2
•••••
3
•••••
4
*1 *2 *3
•••••
5
•••••
6
•••••
7
•••••
8
•••••
9
•••••
10
•••••
*1: Hotgas and bypass valve *3: Suction line solenoid valve
*2: Liquid line solenoid valve
AK-CC 210