Basic Refrigeration Installation and Maintenance


Two-day course

Aimed at technicians with little to intermediate knowledge of installation and maintenance of refrigeration systems

DATE AND LOCATION

Edinburgh Napier University

COURSE DESCRIPTION

Principles and fundamentals of refrigeration:  Units - Thermodynamics – Heat Energy - The refrigeration circuit – Modern Refrigerants and secondary fluids and basic principles of all components of the refrigeration circuit - Analysis of the system in general – Legislation, including The Kyoto Protocol, Regulation 842/06 and subsequent decrees.

Thermodynamics (diagrams) - Analysis of new refrigerants (R134a, R407C, R410A, R404A, R507, etc..) - Thermodynamics of the refrigeration circuit in relation to new Refrigerants - Diagrams "Pressure-enthalpy" of the various refrigerants currently in use - Comprehensive analysis the refrigeration circuit and its essential parts – Worked examples on using the enthalpy diagram.

 

Dealing with specific pressures and use and manometer readings in relation to the various fluids in use - theoretical and practical tutorials on using the enthalpy diagram for the calculation of capacity and thermodynamic potential of a compressor according to a predetermined cooling capacity of a plant - Various types of expansion valves and their operation.

Choice of compressors, evaporators, condensers etc-  Applications chosen with theoretical components of a refrigeration system - Calculation of the capacity of the essential components of a refrigeration system - Compressors in various types of construction and operation - condensers and evaporators with natural and forced convection - Sizing the physical and structure of an evaporator and a condenser - expansion valves (calculation of cooling capacity). New refrigerants: applications of refrigerants at low, medium and high temperatures - Choice of refrigerants according to the industrial, commercial and domestic.

Reclamation, charge, system controls - Recovery of refrigerant from a system with appropriate recovery - evacuation and charging equipment, detailed analysis of each individual component – Commissioning of systems (pre-charged and empty) - running the system and interpretation of condensation and evaporation saturation pressures and temperatures and relative - Optimization of the charge – Leak Testing – Pipework jointing using brazed and mechanical methods - Practical Demonstration of all the refrigeration equipment.

Compiling a plant register – Fault Finding and Diagnostics – Information about the ancillary components of a refrigeration system - Filter driers of each type and size – Sight Glasses - Solenoid valves - thermostatic valves and liquid distributors - Pressure for minimum / maximum / Differential - Thermostats - Pressure Control - Oil separators with automatic - liquid separator - Expansion Joints – Line taps - liquid receivers - defrost systems.

Afternoon: Question and Answer session and discussion of case studies.


 

 

 

 

course

Certificate of Participation provided.

Galileo Master Certificate, Internationally recognised: provided to successful candidates of exam (administrative cost for sitting the exam £45 + VAT)

Cost:

£270 (£324 inc VAT) Course + Certificate of Participation or

£315 (£378 inc VAT) Course + Certificate of Participation + Exam for Galileo Master Certificate


Spaces are limited, we therefore recommend reserving your space as soon as possible.

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