Temperatures and pressures at various points are indicated. Sight glasses are provided to indicate the state of the refrigerant. Basic Refrigeration System is used for demonstration of a normal household refrigerator operation. Individual components are clearly shown.
Experiments:
Observation of pressures and temperatures.
Using a p-h state diagram.
Study of layout and process diagram.
Manometer for intake and high pressure with temperature scale for refrigerant R134a
High pressure and intake pressure connections
4-valve assembly aid
Pulsation-damped manometer for intake pressure, high pressure; vacuum meter
Portable Equipment
Vacuum pump and filling balance
Design and investigation of circuits with electrical components from refrigeration
Electrical components mounted clearly visible and connected on terminal blocks
Experimental unit from the practical series for the training of mechatronics engineers for refrigeration
3 pressure switches, 2 thermostats, 1 solenoid valve, 1 timer, 4 circuit breakers, 5 contactors, 3 relays, 2 capacitors
1 set of cables with wire end ferrules for wiring electrical components on terminal blocks
5 lamps to simulate consumers
Electrical components for the start and operation of the compressor mounted clearly visible
Lab jacks and cables to connect the electrical components
Experimental unit from the practical series for the training of mechatronics engineers for refrigeration
Circuit diagram on the front panel for easy identification of the components
Refrigerant circuit with compressor, receiver, 2 valves and 2 manometers to investigate pressure switches on the delivery and intake sides
Operation of a thermostat
Correct electrical connection of a refrigerant compressor.
Extension with components from advanced experiments in refrigeration systems
Condensing unit, consisting of hermetic compressor, condenser, receiver, pressure switches and shut-off valves
Refrigeration chamber, condensing unit and power supply equipped with shock-proof lab jacks
Base unit for the refrigeration training system
Extension with components from basic experiments using simple refrigeration circuits
Insulated refrigeration chamber with integrated evaporator, electric defrost heater and condensate drip tray.
Complete refrigeration circuit with open compressor, air-cooled condenser, receiver and air cooling evaporator
Replaceable components: compressor, filter/drier, pressure switch and solenoid valve
Trainer from the practical series for the training of mechatronics engineers for refrigeration
Recommended accessories evacuation equipment.
Service exercises in refrigeration systems
Overall arrangement on robust workbench.
Fundamentals:
Evaporator And Condenser Each Available As Air/Refrigerant Heat Exchanger (Finned Tube Heat Exchanger) And As Water/Refrigerant Heat Exchanger (With Pipe Coil)
Setup Of Simple Refrigeration Circuits With Different Components
Light-Weight Aluminium Frame To Arrange 6 Modules
Modules Fitted With Manual Valves
8 Self-Contained Operational Modules Mounted On A Plate Each
Components connected via hoses.
Refrigeration circuit with compressor, condenser, capacity controller, start-up controller, combined pressure switch and 2 evaporators in insulated chambers
Refrigeration chamber with evaporation pressure controller
Freezing chamber with electric defrost heater and hot gas defrosting
Separate or parallel operation of the chambers via solenoid valves
Simulation of 12 faults
Each chamber with solenoid valve, thermostat, thermostatic expansion valve, fan and heat exchanger for refrigerant supercooling
Investigation of a refrigeration system with refrigeration and freezing chambers
Touch panel pc for fault activation, data acquisition, evaluation and representation in the
Refrigerant R404a
Log p-h diagram
Model of a refrigerator to plug onto the base unit
Electric heater to generate the cooling load
Expansion elements selectable via solenoid valves: expansion valve or capillary tube
Training system with hsi technology
Chamber with transparent front
Sensors to record temperature and pressure
Refrigeration chamber with evaporator, fan and cooling load
Operation of solenoid valves, fan, heater and fault simulation via software.
Components for the setup of simple refrigeration circuits in conjunction
Pressure-controlled expansion valve
Thermostatic expansion valve
2 thermostats with different temperature ranges
Heat exchanger as super heater
3-pin circuit breaker
Sight glass with humidity indicator
Components mounted on plates ready to connect
Abrasion-proof symbols and labels on plates
Assembly aid: 4-port directional valve with sight glass.
Heat Exchanger For Refrigerant Super cooling Can Be Added Via Valves
Glycol-Water Circuit Includes Pump And Tank With Heater Serving As Cooling Load At The Evaporator
Refrigeration System In Multi compressor Operation To Investigate Energy Efficiency
Multi compressor Controller For The Parallel Operation Of The Compressors
Refrigeration Circuit With 3 Compressors Connected In Parallel, Condenser, Thermostatic Expansion Valve And Coaxial Coil Heat Exchanger As Evaporator
Separation Of Oil From The Refrigerant On The Delivery Side And Return To Fan At the condenser with adjustable speed
The Intake Side Of The Compressors.
Thermodynamic Investigation Of A Refrigeration Circuit
Compressor Drive With Speed-Controlled Motor Via V-Belt
Motor On Pendulum Bearing For Torque Measurement
Refrigeration Circuit With Open Compressor, Water-Cooled Condenser, Displays for temperature, pressure, flow rate, speed, torque and power at the equipment
Thermostatic Expansion Valve And Indirectly Heated Evaporator
Water-Cooled Coaxial Coil Heat Exchanger As Condenser
Tube Evaporator With Hot Water Circuit As Cooling Load.
Heat exchanger for refrigerant super cooling
Individual or parallel operation of the chambers via solenoid valves
Simulation of 18 faults
Investigation of a refrigeration system with refrigeration and freezing chambers
Insulated freezing chamber with fan and electric defrost heater
Refrigeration circuit with compressor, condenser and 2 evaporators with thermostatic expansion valve and evaporation pressure controller
Insulated refrigeration chamber with evaporation pressure controller.
Open Compressor
Condenser with fan transfer area: 2,5m
Capacity: approx. 1935W at 25C air temperature (ambient) / t=15C
Refrigeration capacity: approx. 845w (at speed: 975min-1 and -10/40c)
Speed: 500...1000min-1
Combinations of different media: water / refrigerant, refrigerant / refrigerant, air / refrigerant
Water circuit with tank and pump to cool the condenser and heat the evaporator
Flow meter and thermometer in the water circuit to determine the exchanged energy fluxes
Refrigeration system with 4 different heat exchangers: coaxial coil heat exchanger, finned tube heat exchanger, tubular heat exchanger, plate heat exchanger
Superheater can be disabled via bypass
Thermometers at all relevant points of the system.
Electrical assembly in accordance with the circuit diagram
Easy pipe working of the refrigeration circuit using bolted pipe joints
Workbench with drawers to store the components
Assembly project for the training of mechatronics engineers for refrigeration
Temperature control via thermostat
Air-cooled condensing unit with compressor
Setup of a refrigeration system with refrigeration chamber from a complete set of components
Assembly panel to mount the refrigeration and electrical components
Refrigeration chamber with integrated show case evaporator and fan
Refrigeration chamber with large sight window.
Evaporator selectable via solenoid valves
Adjustable electric heater in the refrigeration chambers as cooling load
Pressure measurement at all relevant points in the system
2 refrigeration chambers: refrigeration and freezing stage
Water-cooled coaxial condenser.
Refrigeration circuit with compressor, condenser and 2 evaporators in insulated refrigeration chambers
Methods for capacity control in refrigeration systems
Compressor with variable speed via frequency converter
Capacity controller in the compressor by pass
Each refrigeration chamber with adjustable heater to generate a cooling load, thermostatic expansion valve and fan
1 refrigeration chamber with thermostat, solenoid valve and evaporation pressure controller for temperature control
1 refrigeration chamber with refrigeration controller for temperature control; solenoid valve, fan and defrost heater as actuators
Heater with controller to adjust the tank temperature
Record of all relevant measured values and display directly at the location of measurement
Investigation of a refrigeration circuit with water circuit as load
Water circuit with pump, tank with heater as cooling load at the evaporator
Refrigeration circuit with compressor, condenser with fan, thermostatic expansion valve and coaxial coil heat exchanger as evaporator.
Typical compression refrigeration system with piston compressor, thermostatic expansion valve, evaporator and condenser (each in the shape of a pipe coil)
Sight glass to monitor the aggregate state of the refrigerant
Fundamentals of refrigeration in a simplified model
2 water-filled tanks with thermometer to demonstrate the cooling and heating effect
Pressure switch to protect the compressor
2 manometers with temperature scale for the refrigerant show the values of the refrigerant on the high and low pressure sides.
