Product Description

INTRODUCTION

“EEE” Air conditioning Cycle Demonstration Unit i.e. “EEE” Air Conditioning Tutor is designed to carryout following experiments and study of air conditioning cycle in details for the students of Mechanical Engineering or Polytechnics.

RANGE OF EXPERIMENTS

1.To demonstrate the basic Vapour Compression Cycle of Refrigeration .
2. To study theoretical cycles and plotting of T- and P.H. charts .
3. To study the properties of refrigerant at salient points of the cycle .
4. To find out refrigerating effect and work input , hence , actual and theoretical C.O.P.
5. o study functioning of vapour compression cycle at various evaporator temperatures .
6. To study compressor efficiency at varying functioning condition .
This equipment is fully instrumented to demonstrate ‘ Air Conditioning System ‘ with basic
components and necessary controls .

SPECIFICATIONS

1. Compressor : Hermetic Kirloskar make, Model AJ 11,Capacity 2355 Kcal/HR
2. Condenser : Air cooled suitable for above compressor with fan and motor
3. Evaporator : Suitable air cooled type fitted in the duct.
4. Expansion Device : Thermostatic expansion valve Danfoss make or equivalent
5. Rotameter : for flow measurement of liquid refrigerant. Eureka make or equivalent.
6. Refrigerant : R 22, charged with 1 ½ Kg.
7. DSP CONTROL PANEL .
i) LCD display : 4 line
ii) Power sensor : 3 channel ( Compressor / Air heater / Steam generator)
iii) Power on/off : Compressor
iv) Thyristorised power control : 2 KW/1KW-1no , 600 watt – 3no.
v) Temperature : 10 channel RTD PT 100
vi) Device on/off from front keypad
vii) Temperature calibration programmable
viii) Discharge / Suction Pressure measurement input available on board .(sensor optional)
ix) Analog input for rotameter / air pressure sensor (optional)
x) RS 232 Modbus interface ( optional ) for measured parameters .
8. Pressure gauge Wika make, 2” dial, for HP and LP measurement.
9. HPLP cutout : For safety of compressor, Ranco or equivalent make.
10. Orifice & manometer Inclined manometer and orifice plate for airflow measurement
11. Steam Generator : For steam injection.
12. Axial Fan : For forcing the air in the duct, 100 cfm
13. Air heater : 3 Nos, 0.5 KW capacity.
14. Dry – Wet bulb thermometer Zeal England mercury type for measurement of condition of air, –
3 Nos.
15. All equipment are suitably mounted on a painted sturdy angle frame and power coated panel

INSTRUCTION MANUAL

An instruction manual is supplied with the apparatus which describes theory involved, and procedure of experiments, along with necessary calculations.

SERVICES REQUIRED

AC 220V 50 HZ supply.
Space required : A bench area of approximately 5 m X 2 m.