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RECIRCULATING AIR CONDITIONING TRAINER

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RECIRCULATING AIR CONDITIONING TRAINER Specification

Power Source
Electric

Frequency
50 Hz

Model No
RAC/001

Capacity
1.5 Tons

Accuracy
100 %

Automation Grade
Semi-Automatic

Measurement Range
Temperature and humidity: Full scale

Voltage
230 V AC

Feature
Highly Efficient

Core Components
Compressor, Condenser, Evaporator, Expansion Valve, Blowers, Digital Meters

Temperature Range
5C to 50C

Equipment Materials
Mild Steel with powder coating, Borosilicate glass, Copper tubing

Type
Recirculating Air Conditioning Trainer

Usage
Laboratory

Display Type
Digital

Dimension (L*W*H)
1200 x 600 x 1500 mm

Weight
Approx. 80 kg

Refrigerant Type
R134a eco-friendly

Pipe Connections
Leak-proof copper tubing

Mounting
Mounted on robust caster wheels for mobility

Power Consumption
1.1 kW

Blower Type
Centrifugal Blower

Cooling Coil Material
Copper

Safety Controls
Overload protector, Pressure cut-off switch

Training Manual
Included

Observation Window
Provided for process monitoring

Electrical Safety
Earthing and insulated wiring

Data Acquisition
Compatible with external datalogger (optional)

About RECIRCULATING AIR CONDITIONING TRAINER

RECIRCULATING AIR CONDITIONING TRAINER WITH DATA ACQUISITION SYSTEM

Edutek Instrumentation are Manufacturer and Supplier Company in India,We are Exporter in India and other country.The system should be mounted on a movable bench with all refrigeration components clearly visible and controls are within easy

access. Supply air is moved through a air ventilation duct which are made from polypropylene (PP) ducting covered with acrylic panels

(plexiglass) to facilitate observations of the air condition in several monitoring points along the duct. All materials are corrosion

diagram for easy reference. Refrigeration lines are color coded to indicate the state of the refrigerant. Control panel withprovided as a standard to control the trainer and to facilitate measurements. The unit comes with instruction manual and student job

sheets.

SPECIFICATIONS:

MAIN SYSTEM:

Air Flow: Variable speed centrifugal fan with speeds up to 680 m3/Hr (0.18 m3/s)
Air ventilation duct : Ducting is made from Polypropylene with transparent plexiglass covers.
Preheaters : 1 unit (1.0 kW), 1 unit (2.0 kW) with selector switch for 1.0, 2.0, 3.0 kW configuration.
Reheaters : 1 unit (1.0 kW), 1 unit (0.5 kW) with selector switch for 0.5, 1.0, 1.5 kW configuration.
Condensing unit : 1.5 Hp Hermetic Compressor, Air cooled condenser, Thermostatic expansion device, high/low pressure control.

INSTRUMENTATION AND CONTROLS

Temperature meters : 10 points temperature sensors with digital display meter.
Humidity meter : 5 points Relative humidity sensors with digital display meter.
Pressure gauges : 4 manometers to monitor refrigerant low/high pressure
Refrigerant Flow Meter : 1 Refrigerant turbine type flow meter with digital display meter.
Air Flow meter : 2 Air velocity sensors with digital display meter.
Condensate meter : 1 Graduated cylinder is provided to measure condensate from the Evaporator

Robust and Mobile Design

Constructed from powder-coated mild steel and mounted on robust caster wheels, the trainer combines durability with mobility, making it suitable for a range of laboratory settings. Leak-proof copper tubing and borosilicate glass ensure safety and process visibility during experiments.

Comprehensive Training Features

With its digital display, full temperature and humidity measurement range, and observation window for process monitoring, this unit provides a thorough educational experience. Included safety controls, such as overload protection and pressure cut-off switches, safeguard both users and equipment.

Efficiency and Eco-Friendliness

Operating at 1.1 kW with a centrifugal blower, the trainer uses R134a, an environmentally responsible refrigerant. The system guarantees high efficiency and 100% accuracy in data readings, meeting the latest laboratory standards for training and experimentation.

FAQs of RECIRCULATING AIR CONDITIONING TRAINER:

Q: How does the recirculating air conditioning trainer operate in a laboratory setting?

A: The trainer simulates real-world air conditioning processes by recirculating and conditioning air within a closed loop. It uses a compressor, condenser, evaporator, and expansion valve to control temperature and humidity. Digital meters display current values, allowing students to observe and measure system performance through the provided observation window.

Q: What equipment safety features are included in the trainer?

A: The trainer is built with several safety controls, including an overload protector, pressure cut-off switch, earthing, and fully insulated wiring. These features safeguard operators and prevent accidental damage to the equipment during experiments.

Q: Where can the trainer be positioned within a laboratory?

A: With its robust caster wheels, the trainer can be easily moved and positioned as needed within any laboratory environment. Its moderate dimensions (1200 x 600 x 1500 mm) ensure it fits comfortably in standard lab spaces.

Q: When is it appropriate to use an external datalogger with this trainer?

A: An external datalogger can be optionally connected to the trainer whenever detailed data recording and analysis are required during experiments. This is especially useful for research, reporting, and extended monitoring.

Q: What are the main steps involved in the operation process of the trainer?

A: The operation involves setting desired temperature and humidity on the digital display, powering on the system, and observing changes via digital meters and the observation window. Users can monitor pressures and temperatures at various points, document findings, and safely shut down the system after use.

Q: Can this trainer be used for educational purposes in technical institutes?

A: Yes, the trainer is specifically designed for laboratory and educational use, allowing students to gain practical experience and better understand air conditioning systems through direct observation and measurement.

Q: What benefits does the copper cooling coil offer over other materials?

A: Copper provides excellent thermal conductivity, which enhances cooling efficiency and system performance. Its durability and resistance to corrosion also extend the trainers operational lifespan and accuracy.

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