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TC250D Temperature Controller
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TC250D Temperature Controller

Brand: Paxton Controls Corporation
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The TC-250D is a direct replacement for the analog TA239W, adding modern micro processor technology and a clear LED display. 

It is designed for domestic hot water control (very fast loops) together with the V43 stainless steel mixing valve and our fast (15 sec) VM800 actuator.

It works equally well in any heating or cooling applications within the range of 40-205 F (5-96 C). 

Application besides domestic hot water control include process control, fan speed controller with VFD, steam to water heat exchange control.
Features
  • Very easy to use 
  • Works with fast and slow control loops 
  • PI control algorithm 
  • Low load dead zone with adjustable activation point 
  • High temperature alarm function 
  • Fast sample rate of sensor input 
  • Reversible output for heating or cooling applications 
  • Works with any modulating valve or damper actuator or variable speed drive 
  • Modbus communication 
  • Option: Enclosure TC250D-EN with Mounting Plate TC250D-PL.

Specifications

Brand

Power Supply

  • 24 Vac/dc

Power Consumption

  • 90 mA

Sensors Thermistor

  • NTC 1.8 K ohm

Sensor Sample Rate

  • 10 / sec

Analog Output (AO)

  • 0-10 or 2-10 Vdc

Alarm Relay SPDT

  • 120 Vac 3 A Max.

If Sensor Input is Open or Shorted

  • DA: Output goes to 10 Vdc
  • RA: Output goes to 0 Vdc

Enclosure Size

  • 6" (W), 6" (H), 3.5" (D)

Documentation

Datasheet

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