DC24TR

Controller for the chiller, high pressure, medium pressure and management of the interface with the heat recovery system for transcritical CO2 installations

Controller for transcritical CO2 installations

DIN rail housing, display, 230 VAC power supply, 4 relay outputs, 2 analogue outputs, 5 PT1000 inputs, 1 0-10V input, 1 4-20 mA input, 2 digital inputs, bus interface, plug-in terminals.

The DC24TR module is a controller for transcritical CO2 systems that provides measurement, monitoring and control functions for the following applications :

• control of the air cooler, high pressure and medium pressure,
• management of the interface to the heat recovery system.

The management of transcritical CO2 installations is provided by 2 DC24TR modules. The module is mounted on DIN rails.

The DC24TR module can be programmed using the Teleswin supervision software or directly via the buttons on the front of the housing. The integrated display shows the values measured by the connected sensors and is used for programming the parameters.

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Description

Technical documentation
Transcritical CO2yes
Heat recovery yes
White display yes
Inputs
      PT 10000 to 5 depending on application
      0-10 V 1
      4-20 mA1
      Digital 2 to 7 depending on application
Outputs
      Relays 4
      Analogue2
Power supply 230 VAC
Remote monitoring bus interfaceyes
Clock yes
Electronic expansion valve no
Local bus for extensionsyes
Power supply
            Supply voltage 110-250 VAC, 50-60Hz
            Maximum input power 4 W
Protection rating 1
Contamination rating 2
Overvoltage category II
Conditions of use
            Temperature 0-40°C
            Humidity 0-80% (without condensation)
Breaking capacity of relays outputsinductive load 6 A 250 VAC, resistive load 10 A 250 VAC
Clock – reserve operating margin4 days
Input 0-10 V range of measurement: 0-10 V
Input 4-20 mArange of measurement: 4-20 mA

Transcritical CO2 Control

Heat recovery control

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