Refrigeration Components for Advanced Experiments Vocational Training Equipment Fridge Trainer

Refrigeration Components for Advanced Experiments Vocational Training Equipment Fridge Trainer

SR2048 Refrigeration Components for Advanced Experiments Vocational Training Equipment Fridge Trainer for college, vocational training center, university. 

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SR2048 Refrigeration Components for Advanced Experiments Vocational Training Equipment Fridge Trainer

Learning Objectives / Experiments

– Set-up 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

[1] Components for the set-up of complex refrigeration circuits in conjunction

[2] Post-injection valve

[3] Refrigeration controller with PTC sensor

[4] Defrost timer, timing interval 30min

[5] Time relay

[6] 4/2-way reversing valve, solenoid valves

[7] Electric thermostat as temperature controller

[8] Power and auxiliary contactor

Technical Data

Rated controller capacity at t0=-10°C, tc=25°C

– evaporation pressure: 2,8kW at Δp=0,2bar

– start-up: 5,3kW at Δp=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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