Didactic Equipment Fridge Training Equipment Capacity Control in Refrigeration Systems

SR2042 Capacity Control in Refrigeration Systems

Learning Objectives / Experiments

- key devices for changing the refrigeration capacity

* thermostat

* evaporation pressure controller

* refrigeration controller

* capacity controller

* compressor with variable speed

- operation of a refrigeration controller with specification of temperatures for

* controlling the refrigeration capacity

* switching the defrost heater on and off

* switching the fans on and off

Specification

[1] methods for capacity control in refrigeration systems

[2] refrigeration circuit with compressor, condenser and 2 evaporators in insulated refrigeration chambers

[3] each refrigeration chamber with adjustable heater to generate a cooling load, thermostatic expansion valve and fan

[4] 1 refrigeration chamber with refrigeration controller for temperature control; solenoid valve, fan and defrost heater as actuators

[5] 1 refrigeration chamber with thermostat, solenoid valve and evaporation pressure controller for temperature control

[6] compressor with variable speed via frequency converter

[7] capacity controller in the compressor bypass

[8] Refrigerant R134a, CFC-free

Technical Data

Compressor

- refrigeration capacity: approx. 560W at -5/25°C

and 1.450min-1

- drive motor: 550W

2 heaters: approx. 500W

4 fans: max. air flow: approx. 50m³/h

1 defrost heater: approx. 75W

Refrigeration controller

- 7 inputs

- 7 outputs

Evaporation pressure controller: 0...5,5bar

Thermostat: -5...20°C

Capacity controller: 0,2...6bar

Measuring ranges

- motor speed: 1.100...2.700min-1

- temperature: 3x -60...50°C

- heater power: 2x 0...1.000W

- pressure: 3x -1...9bar; 1x -1...24bar

Dimensions and Weight

LxWxH: 1.100x750x1.900mm

Weight: approx. 150kg

Required for Operation

230V, 50/60Hz, 1 phase

Product Details and Warranty
We supply suitable spare pats according to experiment requirement, our products take aluminum structure, A4 paper dimension aluminum and plastic hanging box structure.
We supply 3 years warranty time.

 
Packaging & Delivery
Package details: plastic film+ plastic foam + plywood box with pallet, and for equipment dimension less than 1CBM, we supply plastic film+ plastic foam+ fine carton.

Arrange delivery within 45 days upon receipt of payment.

Please see below photo for detailed package.

 
Training Room Photo

Company Information

We supply professional educational training equipment and technical teaching equipment, which has been widely applied in Engineering Universities, Polytechnics, Technical Institute, Vocational Schools as well as Industry workforce Development Programs and Training Center. Our products allow students to learn and experiment through valuable hands-on experience, and the technology covered by our training equipment provides knowledge, experiments and didactic skills development that are of critical importance to today´s and tomorrow´s careers.

 
Photo for Clients Visiting Factory
 

 
 
Service

We supply supply7*24 hours service, customer design service, OEM service, buyer label service. With professional engineers team and sales team, we assure you good product quality.

Certificate
Our products takes ISO9001 product management system.