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Refrigeration & A/c Trainer (Model : XPO-RFAC)

This integrated setup for Refrigeration and Air Conditioning, or optionally as two separate models, boasts several salient features. The system includes ubiquitous components like a compressor and accumulator mounted behind the display board. Optionally, there is a provision for humidity control. The evaporator is enclosed in a transparent acrylic enclosure, facilitating easy understanding, and separators are provided to construct either a refrigerator or an air-conditioned room. A multichannel temperature indicator with PC interface is optionally available.

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SALIENT FEATURES:

  • Integrated setup for both Refrigeration and Air conditioning(needs attachment) or may be supplied as 2 separate models, with ubiquitous components like compressor, accumulator mounted behind the display board.
  • Optionally, provision for humidity control.
  • Evaporator is enclosed in Transparent Acrylic enclosure for easy understanding & separators provided to construct Refrigerator or A/C room.
  • Multichannel temperature indicator provided with PC Interface (Optionally).
  • Optionally Water Cooler with heater can be supplied by modifying cooling box & separate water heater supplied
  • Light in weight ,yet sturdy, table top Aluminum profile flat panel setup
  • Connections through polarized FRC connector, sturdy 4mm Banana socket & patch cord enabling quick setting of variety of RFAC
    experiments.
  • Fixed air volume & Variable air volume can be achieved in AC experiment, by opening & closing of the slit present on the fan housing. Thus creating a ventilation in the system
  • Humidity inside the AC room can be controlled electrically
  • Students Workbook & Instructor’s Guide provided with each unit.

Technical Specifications

Instrumentation Power supply cum Multichannel DPM panel (EMT 8)

  • DC Multi Output power supply.
  • Provides 1 Ph. AC supply through 3 MCB’s, 4A each to power up other panels in the rack.
  • Multi channel DPM for digital display of process parameters /variables.
  • 20 pin FRC power bus to supply power to neighbouring panels.

Compressor control panel (EMT76)
It consists of :

  • Defrost timer.
  • 2 nos. of contractors to control compressor & bulb or heater.
  • 2 nos. of Isolation transformers 230VCA/24VAC.
  • 4 nos. of AC to DC converter PCB.
  • Provision to connect external HP/LPcutouts NCs.
  • Provision to connect external thermostat NC.
  • Accept external control signal (0-12V) from DCAor PLC o/p.

Pressure/ Temperature sensor panel (PT7/CE8):

  • Supports 7 independent blocks of signal condition circuits for temperature sensors(PT100)to generate output 0-2.5VDC (FS) each for multichannel temperature indication & PC Interface ,4 channels at a time.
  • Span/ zero adjustment amplifier.

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