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802 Commercial Refrigeration Training Unit

产品时间:2022-03-04 10:37:49

简要描述:

● Constructed from the Components actually required toinstall a 2.50 Cubic meter (75 Cubic Feet ) Chill room ● Shows how the Basic Principles of the Vapour CompressionCycle are applied in Practical Re

详细介绍

● Constructed from the Components actually required to install a 2.50 Cubic meter (75 Cubic Feet ) Chill room 

● Shows how the Basic Principles of the Vapour Compression Cycle are applied in Practical Refrigeration 

● Optional Student Tool Kit, Test and Service Equipment and Maintenance and Student Practice Package 

● Complete with Comprehensive Installation, Operation and Maintenance Manual 

● Demonstrates Common Faults and Effects on the System 

● Two year Warranty.

Introduction 

The 802 unit is constructed from components that are required to install a 2.54 cubic metre (75 cubic feet) chill room operating at. -1/+2ºC (30/25ºF.) 

This unit quickly enables the student engineer to learn how the basic principles of the VapourCompression Cycle, are applied in practical refrigeration, and provides valuable ‘Hands-On’ experience in: 

 Fault diagnosis and correction 

 Refrigerant recovery and recycling 

 Changing components 

 Evacuation and Charging 

 Electrical work 

All exercises with the 802 relate directly to installations that students will encounter later in their work as a service and installation engineers.

Description 

Model 802 is one of a range of trainers designed to provide practical training in the fields of Refrigeration and Air Conditioning. 

Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are required to study as part of most Refrigeration and Air Conditioning courses. 

The unit is mounted on a steel frame with stainless steel panels and comprises an hermetic type compressor, air cooled condenser and a forced air evaporator inside an insulated cabinet. 

The layout of the system components is exactly the same as fitted to a full size chill room and the unit is designed as an introduction to “real” refrigeration systems. The training objectives of the 802 link directly to the Basic Installation Training Package 803 for a comprehensive range of practical skills training. 

A comparison between the student built 803 and 802 clearly establishes whether installation skill and competences are sufficiently developed or if further training and practice are required. A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student Practice Package are available as optional items. 

Further details available on request

Specification 

DETAILED 

The unit is mounted on a steel frame and with a stainless steel base and back panel. The unit comprises: 

Air cooled condensing unit with high back pressure, high starting torque hermetic compressor 

Complete with: 

Suction and Discharge Service Valves

Gauge Manifold Connections 

Built in Motor Protector 

Forced air, blow through type evaporator, with 15-watt fan motor. Powder coated galvanised sheet steel casing with removable front panel. Evaporator coil constructed from internally grooved copper tube, and fitted with aluminium fins at 5 FPI. 

Detachable Insulated hood with variable heat load: 60, 100, 120, 160 or 200 watts. Dial Thermometer. 

Internally equalised Thermostatic Expansion Valve. 

Liquid Line Filter Drier. 

Heat Exchanger. 

High Pressure Switch, 

Low Pressure Switch. 

High Pressure gauge. 

Compound gauge. 

 An electrical control box is mounted on the back panel and includes indicators/warning lamps on/off and heat load contactors and overloads as well as residual current device for protection against earth leakage. 

Operating Manual 

A comprehensive operating manual includes: 

 Notes on theory and principles 

 Instructor’s guide notes 

 Students test papers and sample answers 

 Electrical wiring diagram

 


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