Introduction; Application - Danfoss ADAP-KOOL AK-LM 340 User Manual

Application

AK-LM 340 is a complete monitoring unit with the option of regu-
lation functions via relay switches, stepper valves, PWM outputs
and voltage outputs.
The monitoring unit is used to detect temperature, pressure,
functions etc. in and around appliance cases and cold rooms for
commercial and industrial cooling.
The monitoring unit is equipped with data communication and is
operated via a PC.
Functions
Temperature
• Temperature detection
• Temperature monitoring with alarm function
• Extension of the alarm delay when a defrost signal (DI) is re-
ceived
• Interruption of alarm monitoring when a switch signal (DI) is
received
• Temperature control with relay function
• Difference thermostat with relay function
• Two-sensor thermostat with relay function
Pressure
• Pressure detection
• Pressure monitoring with alarm function
• Pressostat with relay function
• Difference pressostat with relay function
Voltages of 0-10 V
• Voltage detection
• Voltage monitoring with alarm function
• Voltage monitoring with relay function
On/Off signals
• Detection of switch signals
• Alarm function with delay + relay function, if applicable
• The switch signal can be inverted
• Hour counter for On time
• Counter for number of changes
Pulse signals
• Registration of electricity, water, gas, etc.
• Energy reading
Alarm relay
• Two alarm relays that are enabled on different alarm priorities
PI regulations
• 10 separate functions can be constructed.
Data communication
• Connection to system manager or gateway
• Monitoring and data collection
• Customised alarm texts
AK-LM 340

1. Introduction

RS8GV202 © Danfoss 2016-06
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The same reading can be used by several different
functions.
Up to 120 inputs and outputs are permitted.
SW = 1.1x
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