Electronic Expansion Valve Controller for Bipolar Step Motor Electronic Expansion Valve Controller for Bipolar Step Motor

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Electronic Expansion Valve Controller for Bipolar Step Motor Electronic Expansion Valve Controller for Bipolar Step Motor
  • Mã SP: EVC20
  • Giá NY: Liên hệ
  • Giá bán: Liên hệ
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  • - New Generation of Electronic Expansion Valve Controller
    - High Performance and Stability
    - Precise PID and Superheat Control
    - Intelligent Temperature and Pressure Control(Hot Gas Bypass and Liquid Injection)
    - Compatible with Various Refrigerants
    - RS485 Communication
    - Manual Valve Open Ratio Configuration
    - Smart-Rail Mount
    - Perfect Tech Support
  • Tags: Bàn Map
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New Generation of Electronic Expansion Valve Controller
With the state-of-the-art technologies, EVC20 has many smart functions and features which can be applied to various fields.

High Performance and Stability
A top-level performance and stability can be achieved with high speed CPU, biopolar step motor driver, 2 RS485 communication ports, and extra remote displays 
 

Precise PID and Superheat Control
Based on the advanced PID algorithm, precise superheat control is possible.
 

Intelligent Temperature and Pressure Control(Hot Gas Bypass and Liquid Injection)
Temperature and pressure are controlled intelligently by hot gas bypass and liquid injection.
 

Compatible with Various Refrigerants
R22, R134a, R404a, R407c, R410a, R717, and R23 are compatible and more refrigerants will be available soon.

RS485 Communication
EVC20 can monitor and control up to 128 units(PC, heat pumpt controller, DDC, and etc.) via RS485 communication. 2 extra displays(cable length: 5m) can be connected as well.
 

Manual Valve Open Ratio Configuration
Operators can configure the valve open ratio manually for the special purpose temporarily.
 


Smart-Rail Mount

Perfect Tech Support
EVC20 was developed 100% by Dotech's unique design and advanced technologies and tech support is provided perfectly.


 

■ Technical Specifications
 
EVC20-00
EVC20-R4
Dimensions
70(W) X 103(H) X 58(D)mm
Power
AC24V +10%/-15%, 50/60Hz, 1A
(including power consumption of expansion valve)
Connection
Screw Terminal
Compatible Expansion Valve
Bipolar Step Motor Type, Max. 700mA
2-Phase Full Step Drive
1/1000 open ratio control accuracy (0.0 ~ 100.0%)
RS485 Communication
(MODBUS RTU/ASCII)
-
OK
Remote Display(Optional)
-
OK
Sensor
Pressure
DP512-G7(0.5 ~ 4.5V, -1 ~ 15bar)(Optional)
Temperature
DPR-PT1K-P3D50L*3m(PT 1000Ω, -100 ~ 100℃)(Optional)
Operation
Temperature -10~50℃  / Humidity under 90% RH
Storage
Temperature -20~60℃  / Humidity under 90% RH

MAKER DANFOSS ALCO SPORLAN CAREL
MODEL ETS 12.5
ETS 25B
ETS 50B
ETS 100B
ETS 250
ETS 400		 EX4
EX5
EX6
EX7
EX8		 SEI 0.5~11
SEI 1.5~20
SEI 30
SEI 100
SEI 175		 E2V
E2VP
※ Compatible with most eletronic expansion valves with bipolar step motor
(Danfoss, Alco, Sporlan, Carel, and etc.) 

■ Accessories
Category Model Specifications
Power Trans 24069001 AC220V to AC24V, 1A
24069002 AC110V to AC24V, 1A
Pressure Sensor DP512-G7 -1 to 15 bar, 0.5 to 4.5 VDC output. 
1% accuracy
7/16-20 UNF,  Packard connetor type
Temperature sensor DPR-PT1K-P3D50L*3m PT1000 ohm
Diameter : 3 pi
Probe length : 50 mm
Cable length : 3m
Remote Display Module FX-JView-EVC20  
CPAD-EVC20  

 

■ Dimensions



■ Diagram

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