Vechile air conditioning Refrigeration Trainer

Vechile air conditioning Refrigeration Trainer

Model: SR2043

Learning Objectives / Experiments

– principle of operation, design and handling of a vehicle air conditioning system

– detection of typical faults and repair of a faulty air conditioning system

* simulation of 8 system faults

– typical components of a refrigeration system

– refrigeration circuit as thermodynamic cycle

* log p-h diagram

* determine the coefficient of performance of the system

* determine the compressor pressure ratio

Specification

[1] investigation of a typical vehicle air conditioning system for cooling the vehicle interior

[2] compression refrigeration system with compressor, condenser, filter/drier, expansion valve and evaporator

[3] electric motor with variable speed as compressor drive

[4] condenser with fan

[5] evaporator as air cooler with three-stage fan

[6] compressor drive via V-belt and magnetic coupling

[7] simulation of 8 faults via buttons in the connectable box

[8] system is switched on via ignition lock

[9] display of temperatures, pressures (refrigerant), flow rate (refrigerant), pick-up current, speed

[10] refrigerant R134a, CFC-free

[11] air conditioning system voltage supply: 12VDC

Technical Data

Electric motor

– rotary current motor

– variable speed via frequency converter

500…3.000min-1

– power: 4kW at 3.000min-1

Axial piston compressor

– refrigeration capacity: approx. 3kW at 3.000min-1

Condenser: capacity: 6,6kW

Evaporator: capacity: 5,3kW

Measuring ranges

– temperature: 4x -100…100°C

– flow rate (R134a): 10…95L/h

– pressure: -1…9bar / -1…24bar

– speed: 0…3.000min-1

– current: 0…10A

Dimensions and Weight

LxWxH: 1.210x800x1.520mm

Weight: approx. 185kg

Required for Operation

400V, 50/60Hz, 3 phases or 230V, 60Hz, 3 phases