AK-CC 750 - 080Z0130 & 080Z0139 RS8GM222 © Danfoss 10-2014 31
4
6
5
The table helps you establish whether there are enough inputs and
outputs on the basic controller.
If there are not enough of them, the controllers must be ex-
tended by one or more of the mentioned extension modules.
Note down the connections you will require and add them up
Analog input signal
Example
On/o voltage signal
Example
On/o voltage signal
Example
On/O output signal
Example
Limitations
Analog inputs
Temperature sensors, S3, S4 6
Defrost sensors, S5 3
Product temperature sensor
Gas temperature sensor S2 3
Pressure transmitter P0 1
P = Max. 5 / module
Pressure transmitter Pc
Displacement of reference with analog signal
On/o inputs contact 24 V 230 V
External start/stop (Main switch) 1
Case cleaning (pulse pressure). Shutdown 1
Switch between two temperature references
Inject ON
Start of defrost (pulse pressure)
Door contact
Night setback
Open/ close Night blind (pulse pressure)
On/o outputs
AKV valves 3
Solenoid valves (when TEV valves is used))
Fans 1
Defrost (electric or hot gas valves) 3
Drain valve, suction line valve
Antisweat heat 1
Light
Night blind
Drip tray heat
Compressor
Alarm
Sum of connections for the regulation 15 8
Sum = max. 80
Number of connections on a controller module 11 11 0 0 0 0 8 8
Missing connections, if applicable 3 - - 0
The missing connections to be updated from one or more extension modules:
Sum of power
AK-XM 101A (8 analog inputs) +1
___ pcs. á 2 VA = __
AK-XM 102A (8 digital low voltage inputs)
___ pcs. á 2 VA = __
AK-XM 102B (8 digital high voltage outputs)
___ pcs. á 2 VA = __
AK-XM 204A / B (8 relay outputs)
___ pcs. á 5 VA = __
AK-XM 205A / B (8 analog inputs + 8 relay outputs)
___ pcs. á 5 VA = __
Case Power module (4 relay outputs. 12/24 A)
___ pcs. á 3 VA = __
1 pcs. á 8 VA = 8
Sum =
Sum = max. 32 VA
7
The example:
None of the 3 limitations are exceeded => OK
Planning table
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