User Guide
|
Capacity Controller, AK-PC 651
© Danfoss | ADAP-KOOL® | 2015.10
20 | RS8HA102 |
Connections when using Setup Wizard
If you have used the Setup Wizard for the configuration, the controller will automatically assign the selected functions
to inputs and outputs in accordance with the following prioritised order:
The assignment of functions on the respective inputs and outputs can be regulated
in “IO configuration”. Here is an example of 6 compressors and 4 speed controlled fans:
Digital outputs (DO1-DO15):
• Pulse output for control of the
capacity valves for digital scroll,
stream or Bitzer CRII will be
located on solid state outputs
DO5 and DO6
• Compressor start and unloaders
• Fans
• Injection ON
• Alarm on DO15
Digital inputs (DI1-DI18):
• Compressor safety inputs
• Fan safety input
• External main switch (start/stop)
• HP safety switch
• LP safety switch
• Night status
• Heat recovery
• Load sheeding
• General alarm inputs DI1-DI3
Analogue outputs (AO1-AO4)
• Compressor speed control on
AO1
• Condenser speed control on AO2
Analogue inputs (AI1-AI10)
• Po suction pressure is located
on AI7
• Pc condensation pressure is
located on AI8
• Sc3 outside temperature is
located on AI1
• Ss suction gas temperature is
located on AI2
• Sd discharge gas temperature is
located on AI3
• Sd comp. 1 discharge gas tem-
perature for digital scroll/stream
compressor on AI4
• S4 media temperature
• S7 media temperature, condenser
• Saux for general thermostat
In this image you can see how
many outputs and inputs your
settings have provided.