Danfoss AK-LM 330 Design Manual page 44

Refrigerating plant example
We have decided to describe the setup by means of an example
comprising the connections shown below.
The example is the same as the one given in the "Design" section,
i.e. the controller is an AK-LM 330 + 2 extension modules.
• Temperature reading with temperature shown on the display
(Saux1)
• Temperature reading (Saux2) and one 230 V signal for activation
during defrosting so that the alarm delay is postponed (DI1) and
one 230 V signal detecting that the appliance is not in operation
(DI2).
• Temperature reading with relay function (Saux3).
• Voltage reading (U1).
• Voltage reading with relay function (U2).
• Pressure reading to 12 bar (Paux).
• Pressure reading with relay function to 34 bar (Paux2).
• 230 V signals from compressor monitoring (DI3 and DI4).
• Pulse signal from gauge unit (E).
• Alarm relay (AL) ("mute" of alarms takes place from the external
display).
44 RS8FR302 © Danfoss 2015-08 AK-LM 330