Refrigeration Components For Advanced Experiments Manufacturer,Refrigeration Components For Advanced Experiments ,Supplier , Exporter, India

Product Description

REFRIGERATION COMPONENTS FOR ADVANCED EXPERIMENTS

Commercial components are used in practical experiments. These components are mounted on plates ready to be connected and are arranged clearly in the frame.

The set includes complex refrigeration components, such as capacity controller, start-up controller, defrost timer, 4/2-way reversing valve and refrigeration controller. The 4/2-way reversing valve, for example, is used to reverse the circuit. This allows for the defrosting of an iced-up evaporator by operating it temporarily as condenser. Manometers provide an insight to the pressure ratios in the refrigeration circuit.

Via pressure and temperature measurements the changes of state of the refrigerant can be tracked and entered into the log p-h diagram. The temperature is measured by inter laboratory thermometers.

The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

The unit shall perform the following experiments and investigations:

Learning Objectives / Experiments

Setup of different refrigeration circuits
Design, operation and adjustment of components
Evaporation pressure, start-up, capacity and
Refrigeration controllers
Electric thermostat
Manual valve as expansion element
Post-injection valve
Solenoid valve with coil
4/2-way reversing valve
Power and auxiliary contactor
Time relay
Defrost timer
Hot gas defrosting
Read and understand technical drawings and
Operating instructions
Fault finding

Specification

Components for the setup of complex refrigeration circuits in conjunction with Base Unit for Refrigeration `Training System and components for Basic Experiments
Post-injection valve
Refrigeration controller with PTC sensor
defrost timer, timing interval 30min
Time relay
4/2-way reversing valve, solenoid valves
Electric thermostat as temperature controller
Power and auxiliary contactor

Technical Data

Rated controller capacity at t0=-10°C, tc=25°C
Evaporation pressure: 2,8kW at deltap=0,2bar
Start-up: 5,3kW at deltap=0,2bar
Capacity: 4,8 kW at offset=0,7bar
Suction line receiver: 0,3L, max. 28bar
Temperature controller: -5...35°C
Refrigeration controller: -40...110°C
Post-injection valve: -45...35°C
Time relay: response delay: 0,05s...100h

Measuring ranges

Pressure, evaporation: 0...5,5bar
Intake pressure: 0,2...6bar
Pressure, capacity controller: 0,2...6bar

Dimensions and Weight

Plate height: 297mm
Weight: approx. 25kg

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Refrigeration Components For Advanced Experiments

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