DC24DE

DC24DE

Superheat controller with management of PWM electronic expansion valve

DIN rail housing, display, 230 VAC power supply, 3 relays, 1 valve output (triac) 24-240 VAC, 1 analogue output, 5 PT1000 inputs, 1 pressure sensor input, 1 0-10 V input, 1 4-20 mA input, 2 digital inputs, bus interface, clock, plug-in terminal blocks.

Compatible with all major pulse width modulated electronic expansion valves on the market (e.g. Danfoss AKV).

The DC24DE module is a universal controller that performs measurement, monitoring and control functions for the following applications:

– control of cooling units or cold rooms (MT and LT refrigeration) with superheat control using electronic expansion valves,
– compressor control,
– condenser management,
– humidity control,
– management of air conditioning and lighting zones,
– input-output mode.

The module is mounted on DIN rails.

The DC24DE module can be programmed using the Teleswin supervision software or directly via the buttons on the front panel. 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

Management of cooling units	yes
Management of compressors	yes (up to 12 compressors with 3 extension modules)
Hygrometry	yes
Programmable inputs-outputs	yes
Concentration of gazes	yes
Air-conditioning - cooling/heating	yes
Management of lighting areas	yes

White display	yes
Inputs
PT 1000	5 (also compatible with the probes: NTC 10K/25°C, L.243, KTY81)
0-10 V	yes
4-20 mA	yes
Digital	2
Outputs
Relays	3
Triac (24-230 VAC)	1
Analogue	yes
Power supply	230 VAC
Remote monitoring bus interface	yes
Clock	yes
Electronic expansion valve	yes
Local bus for extensions	yes

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 outputs	inductive load 6 A 250 VAC, resistive load 10 A 250 VAC
Breaking capacity of triacs outputs	inductive load 1A 250 VAC, resistive load 1A 250 VAC
Minimal current of triac output	11 mA
Clock – reserve operating margin	4 days
Input 0-10 V	range of measurement: 0-10 V
Input 4-20 mA	range of measurement: 4-20 mA