COMPUTERIZED AIR CONDITIONING SYSTEM TRAINER (With Supply Air Duct, Return Air Duct & Fresh Air Duc

Make: EEI, Model: EEI-RAC032C, Origin: INDIA

TECHNICAL SPECIFICATIONS:

Computerized Air Conditioning Trainer with Supply Air Duct, Return Air Duct and Fresh Air Duct

Floor-mounted, self-contained experimental trainer

Type: Vapor Compression Refrigeration System (VCRS)

Compressor: Hermetically sealed rotary compressor (1.0 TR)

Condenser: Air-cooled fin-and-tube condenser with axial fan

Expansion: Thermostatic Expansion Valve (TXV) or Electronic Expansion Valve (EEV)

Evaporator: Finned cooling coil integrated inside Air Handling Unit (AHU)

Air Handling Unit: Cooling coil, electric heater, humidifier, filter, centrifugal blower and mixing chamber

Supply air duct: Insulated duct with air velocity, temperature and humidity measuring ports

Return air duct Insulated return duct with balancing damper and measuring ports

Fresh Air duct Fresh air intake duct with adjustable damper and air filter

Air mixing chamber Provision for fresh air, return air and mixed air operation

Heating Section Electric duct heater (1–2 kW) with PID temperature control

Humidification Ultrasonic/Steam humidifier with adjustable humidity control

Blower Variable-speed centrifugal blower with VFD control

Electrical Measurements: Digital Power Analyzer (Voltage, Current, Power, Energy, Power Factor)

Measured Parameters Temperature, Relative Humidity, Pressure, Air Velocity, Air Flow Rate, Compressor Power, Heater Power, Fan Power, COP

Refrigerant filter dryer 1/4th size brazing type 1 no’s

Brass Flow Visualization Suitable Site Glass 1 no’s

Safety cut out switch for high pressure and low pressure 1 no’s

Refrigerant Freon /R-32

The whole system should be mounted on a Metallic powder coated frame and panel with Caster Wheels.

Floor area required: Approximately 1.5mtr x 0.8 mtr

Power supply required: single phase, 230volts, 15 amps, and 50Hz.

Experiments:

Psychrometric processes, cooling & dehumidification, heating & humidification, air

mixing, ventilation, cooling coil performance, COP determination, refrigeration cycle

analysis, fan performance and air distribution studies

Measuring instruments with data acquisition

Digital volts meter 0-300vac 1nos,

Digital ammeter 0-20 amps 1 no’s

Dual display led power meter PC interfaced- 1 no’s

Thermocouples Teflon coated (PT-100 type with Temperature Range -50 C to 150 C)-6 no’s

PC for connecting Equipment to Computer system for data logging

Pc interfaced Temperature scanner dual display led 6 channels 1 no’s

Analogue Pressure gauges glycerin filled back connection steel body for high pressure 10 bar and low pressure 3.5 bar -2 no’s.

Temperature and timer controller digital with NTP probe 1.5mtr 1 no’s

Digital refrigerant flow indicator LED pc interfaced 1 no’s

Brass refrigerant flow sensor -1 no’s

Air Velocity Measurement: Digital hot-wire/vane anemometer sensor

Pressure transducers ¼” thread 0 to 25 bar- 0 to 45 bar 1 no’s each

Pc interfaced Dual display LED pressure indicator 1 no’s

Lab View based application software with Real-time data acquisition, graphical trends, psychrometric analysis, data logging and Excel/CSV export