Danfoss

AK-CC 210

AK-CC Series • Refrigeration Controller

Type Refrigeration

Application Rack System

Probe Inputs 6

Relay Outputs 12

Communication LON / RS485 Modbus

Panel Size 144x144 mm

R1 Comp 1-6

R2 Unloader 1-2

R3 Condenser Fan 1-2

R4 HP Bypass

R5 Alarm

Compressor pack controller for centralized refrigeration

Technical Specifications

Relay Outputs	12
Relay Rating	8A/250VAC

Operating Temp	-30 to 55°C
Storage Temp	-40 to 70°C

Terminal	Function	Type	Wire Color
+24V	Power +24V	Input	red
0V	Power 0V	Input	blue
Po	Suction Pressure	Input	red/blue
Pc	Discharge Pressure	Input	red/blue
S1	Suction Temp	Input	red/white
S2	Discharge Temp	Input	red/white
S3	Liquid Temp	Input	red/white
S4	Ambient Temp	Input	red/white
K1-K6	Comp Relay 1-6	Output	black
K7-K8	Unloader 1-2	Output	orange
K9-K10	Cond Fan 1-2	Output	green
K11	HP Bypass	Output	yellow
K12	Alarm	Output	red

Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.

Code	Parameter	Range	Default	Description
r01	Po Setpoint	-1 to 20	3 bar	Suction pressure setpoint
r02	Neutral Zone	0 to 2	0.3 bar	Control dead band
r10	Pc Max	5 to 50	25 bar	Maximum discharge pressure
c01	Stage Delay	0 to 600	60 sec	Staging delay
c02	Min Off	0 to 30	5 min	Minimum off time
c10	Rotation Mode	0=Off, 1=Time, 2=Hours	2	Compressor rotation
o01	Compressor Config	1-6	4	Number of compressors
o02	Unloader Enable	0=Off, 1=On	0	Unloader control