Secondary Controllers in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment

Secondary Controllers in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment

SR2038 Secondary Controllers in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment for college, vocational training center, university. 

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SR2038 Secondary Controllers in Refrigeration Systems Vocational Training Equipment Refrigeration Training Equipment

Learning Objectives / Experiments

– properties and application options of different secondary controllers

* evaporation pressure controller (KVP)

* start-up controller (compressor intake control;

KVL)

* capacity controller (control of the compressor delivery capacity; KVC)

* condensation pressure controller (WVFX, KVR)

* receiver pressure controller (KVD with NRD)

– adjustment of optimum operating points

– fault finding in secondary controllers

Specification

[1] trainer from the practical series for the training of mechatronics engineers for refrigeration

[2] refrigeration system with different secondary controllers: evaporation pressure controller KVP, capacity controller KVC, condensation pressure controller KVR, pressure-controlled water valve WVFX as condensation pressure controller, receiver pressure controller KVD, start-up controller KVL

[3] 2 refrigeration chambers: refrigeration and freezing stage

[4] evaporator selectable via solenoid valves

[5] adjustable electric heater in the refrigeration chambers as cooling load

[6] water-cooled coaxial condenser

[7] pressure measurement at all relevant points in the system

[8] refrigerant R134a, CFC-free

Technical Data

Compressor according to CECOMAF

– refrigeration capacity: 990W at -5/55°C

– power consumption: 685W

Cooling load: 0…500W

Receiver: 1,3L

Measuring ranges

– pressure: 5x -1…9bar / 3x -1…24bar

– flow rate water: 20…250L/h

– flow rate refrigerant: 1x 1…11,5L/h; 1x 2…27L/h

– temperature: -50…300°C

Dimensions and Weight

LxWxH: 2.500x790x1.900mm

Weight: approx. 280kg

Connections

230V, 50Hz, 1 phase

Water connection

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