Postgraduate DiplomaNaval, Offshore & Sports Nautical Applications open

Diploma in Plant Refrigeration Systems and Cold Rooms

Online postgraduate diploma of 800 hours in plant refrigeration systems and cold rooms. 8 modules covering refrigeration thermodynamics, refrigerants and F-gas regulations, plant components, cold room design, safety of refrigeration installations, control and efficiency and commissioning and maintenance, applying Regulation (EU) 2024/573, EN 378 and Royal Decree 552/2019, with an assigned technical tutor.

Duration6–8 months
ModeOnline
LanguageEnglish
Start datesSet by the faculty
AwardSEIUM Institute diploma

Diploma in Plant Refrigeration Systems and Cold Rooms — studying from the United Kingdom

Naval and offshore engineering is a significant sector in the United Kingdom, with shipbuilding and naval programmes on the Clyde, in Portsmouth, Barrow-in-Furness and Rosyth, and offshore energy activity in Aberdeen and the North Sea. Companies such as BAE Systems Maritime, Babcock and offshore service providers employ engineers in design, construction and maintenance. Sports nautical engineering, including yacht design and marine leisure, is concentrated in the Solent and South Coast. The Maritime and Coastguard Agency regulates shipping safety, and the Royal Institution of Naval Architects supports professional standards.

Fees for the United Kingdom: £1,070 (Pound sterling), with instalments and employer sponsorship available.

Relevant bodies in the United Kingdom

  • Royal Institution of Naval Architects (RINA)
  • Maritime and Coastguard Agency (MCA)
  • Lloyd's Register
  • Offshore Energies UK (OEUK)

Typical roles

  • Naval Architect
  • Offshore Engineer
  • Marine Systems Engineer
  • Yacht Design Engineer

Questions from the United Kingdom

Which UK bodies relate to naval and marine engineering, and does SEIUM training count towards them?

Key UK bodies include the Royal Institution of Naval Architects, the Institute of Marine Engineering, Science and Technology and the Institution of Mechanical Engineers. Maritime qualifications are often regulated through the Maritime and Coastguard Agency for certificates of competency. SEIUM's private qualifications are not accredited by these bodies, so any recognition would be decided by them separately.

Will UK offshore, naval or marine employers value a private online engineering qualification?

Employers in these sectors often prioritise certified competencies, sea-going experience and regulatory certificates. A private qualification may support your application where it shows relevant technical depth, but it does not replace statutory requirements. Acceptance is for each employer to decide, so consider how the qualification complements your existing certifications.

Can I study this online from the UK alongside offshore rotations, and is language support available?

Online study can be flexible, but rotation patterns make scheduling important, so plan around your time at sea or on site. Programmes are taught entirely in English, and each learner is assigned a technical tutor. No visa is required to study from within the UK. Fees can be paid in instalments, and employer sponsorship is possible.

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Learning outcomes

What you will be able to do

01

Analyse refrigeration cycles and their performance.

02

Select refrigerants in line with fluorinated gas regulations.

03

Size the main components of a refrigeration plant.

04

Design chilled and frozen storage rooms.

05

Apply safety requirements to refrigeration installations.

06

Improve energy efficiency through control and automation.

07

Plan the commissioning and maintenance of the plant.

Profile

Who it's for

  • Industrial refrigeration engineers.
  • Certified refrigeration technicians.
  • Plant maintenance managers.
  • Refrigeration installation designers.
  • Industrial energy auditors.
  • Safety managers for ammonia installations.
  • Engineering or science graduates looking to move into the food industry.
Standards & tools

What you'll work with

  • Regulation (EU) 2024/573 (fluorinated greenhouse gases)
  • EN 378 (refrigerating systems and heat pumps, safety and environmental requirements)
  • Royal Decree 552/2019 (Spanish safety regulation for refrigeration installations)
  • Directive 2014/68/EU (Pressure Equipment Directive)
  • ISO 817 (refrigerant designation and safety classification)
  • Royal Decree 115/2017 (certification of F-gas personnel)
  • Regulation (EC) 852/2004 (hygiene of foodstuffs)
  • Danfoss Coolselector2
  • CoolPack
  • BITZER Software
  • EES Engineering Equation Solver
Syllabus

8 modules

  1. 1.1Vapour compression cycle
  2. 1.2Reading pressure-enthalpy diagrams
  3. 1.3Coefficient of performance (COP)
  4. 1.4Subcooling and superheat
  5. 1.5Two-stage and cascade cycles
  6. 1.6Transcritical CO2 cycles
  7. 1.7Absorption and ammonia-water refrigeration
  8. 1.8Pressure drops and their effect
  9. 1.9Energy balance of the installation
  10. 1.10Case study: analysis of a cycle on a p-h diagram
  1. 2.1Refrigerant classification to ISO 817
  2. 2.2Natural refrigerants: ammonia, CO2 and hydrocarbons
  3. 2.3HFOs and low-GWP blends
  4. 2.4Regulation (EU) 2024/573 on fluorinated gases
  5. 2.5Phase-down schedule and bans
  6. 2.6Leak control and records
  7. 2.7Certification of refrigeration personnel
  8. 2.8Refrigerant recovery and recycling
  9. 2.9Kigali Amendment to the Montreal Protocol
  10. 2.10Workshop: refrigerant selection for a new plant
  1. 3.1Reciprocating, screw and scroll compressors
  2. 3.2Air-cooled and water-cooled condensers
  3. 3.3Evaporators and flooded evaporators
  4. 3.4Thermostatic and electronic expansion valves
  5. 3.5Oil separators and receivers
  6. 3.6Plate heat exchangers
  7. 3.7Cooling towers and dry coolers
  8. 3.8Piping, insulation and supports
  9. 3.9Safety and relief devices
  10. 3.10Practical exercise: sizing an evaporator
  1. 4.1Calculating cold room heat loads
  2. 4.2Sandwich panels and vapour barriers
  3. 4.3Doors, air curtains and anterooms
  4. 4.4Storage and freezing temperatures
  5. 4.5Relative humidity and product weight loss
  6. 4.6Electric, hot-gas and water defrost
  7. 4.7Heated floors to prevent frost heave
  8. 4.8Controlled-atmosphere rooms
  9. 4.9Air distribution and velocities
  10. 4.10Workshop: load calculation for a frozen-goods room
  1. 5.1Safety regulations for refrigeration installations
  2. 5.2EN 378 safety standard
  3. 5.3Classification of spaces and maximum charges
  4. 5.4Leak detection and alarms
  5. 5.5Ammonia machinery rooms
  6. 5.6Emergency ventilation
  7. 5.7Pressure equipment and Directive 2014/68/EU
  8. 5.8Protection of people trapped in cold rooms
  9. 5.9Leak emergency plan
  10. 5.10Case study: safety assessment of a machinery room
  1. 6.1Cold room and rack controllers
  2. 6.2Variable-frequency drives on compressors
  3. 6.3Floating head pressure control
  4. 6.4Condensing heat recovery
  5. 6.5Remote monitoring and alarms
  6. 6.6Energy management and tariffs
  7. 6.7Plant efficiency indicators
  8. 6.8Refrigeration energy audits
  9. 6.9Digitalisation and thermal digital twins
  10. 6.10Lab: adjusting floating condensing pressure
  1. 7.1Pressure and tightness tests
  2. 7.2Evacuation and refrigerant charging
  3. 7.3Commissioning and adjustments
  4. 7.4Preventive and predictive maintenance
  5. 7.5Oil and vibration analysis
  6. 7.6Diagnosing common faults
  7. 7.7Mandatory periodic inspections
  8. 7.8Management of critical spares
  9. 7.9Logging of interventions
  10. 7.10Practical exercise: diagnosing a plant with low capacity
  1. 8.1Defining cooling requirements
  2. 8.2Calculating heat loads
  3. 8.3Selecting the refrigerant and system
  4. 8.4Sizing components
  5. 8.5Designing the cold rooms
  6. 8.6Control strategy
  7. 8.7Safety and regulatory analysis
  8. 8.8Economic and energy study
  9. 8.9Report and presentation
  10. 8.10Final project: final review with the tutor
Methodology, software & labs

How you'll learn

100% online training on the SEIUM campus, with downloadable materials, recorded classes and an assigned technical tutor. No fixed timetables: you progress at your own pace within each intake, so it fits around your job.

Each module combines theory, guided reading of the original standard and applied exercises. The working software is Danfoss Coolselector2, CoolPack, BITZER Software and EES (Engineering Equation Solver), in free, academic or evaluation versions. Exercises are based on real procedures: heat load calculation for a cold room, tightness and vacuum testing of an installation and an energy audit of a refrigeration plant. Assessment is continuous by module plus the final project.

Standards covered: Regulation (EU) 2024/573, EN 378, Spanish Royal Decree 552/2019, Directive 2014/68/EU, ISO 817, Royal Decree 115/2017, Regulation (EC) 852/2004.

Assigned technical tutor:every module ends with a deliverable that your tutor marks individually.
Standards-based learning:guided reading of Regulation (EU) 2024/573, EN 378 and Royal Decree 552/2019 applied to real cases, not as a theoretical annex.
Industry software:Danfoss Coolselector2, CoolPack, BITZER Software and EES, in free, academic or evaluation versions.
Final project:a complete refrigeration plant design project, reviewed by your tutor.
Flexible format:100% online, no fixed timetables, compatible with full-time work.
Capstone project

Build it end to end

Your final project follows the real engineering workflow, step by step, reviewed by your tutor.

Cycle analysis
Analyse the refrigeration cycle of the plant on a p-h diagram.
Refrigerant selection
Choose the refrigerant for a new plant under the F-gas Regulation.
Cold room heat loads
Calculate the heat loads of a frozen-goods room and size the evaporator.
Safety assessment
Assess the safety of an ammonia machinery room against EN 378.
Final project
A complete refrigeration plant project with control strategy, safety analysis and energy study.
Career opportunities

Where this takes you

Industrial refrigeration engineerCertified refrigeration technicianPlant maintenance managerRefrigeration installation designerIndustrial energy auditorAmmonia installation safety manager
Admissions & scholarships

Requirements

  • Prior technical training or professional experience in the sector. No university degree is required.
  • Internet connection and a computer capable of running the programme software.
  • English sufficient to read technical standards.

Ready to start?

Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.

FAQ

Frequently asked questions

The programme totals 800 hours over 6–8 months. You set your own pace within each intake, and your tutor helps you plan the workload around your job.

You work with Danfoss Coolselector2, CoolPack, BITZER Software and EES, using free, academic or evaluation versions. Your tutor indicates the free alternative wherever one exists.

A SEIUM Institute diploma, awarded on passing the continuous assessment and the final project. It is SEIUM's own qualification, not an official state degree; its recognition depends on the programme completed and the regulations of each country.

Yes. Modules passed are recognised in a higher programme in the same area (postgraduate diploma or master's). Ask about the recognition policy when you enrol.

Prior technical training or professional experience in the sector (no university degree required), a computer able to run the programme software and English sufficient to read technical standards.

Start dates are set by SEIUM's faculty for each intake. Our admissions team will confirm the next available date when you apply.

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