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Ammonia Refrigeration Foundation Training
Introduction
This course is for engineers who work on refrigeration equipment using ammonia as a refrigerant.
This course is ideal for delegates to attend prior to our course: Safe Handling of Ammonia Refrigerant.
The Course Covers
- Heat
- Sensible heat
- Latent heat
- Temperature
- Enthalpy
- Pressure Temperature Relationship
- Pressure
- Saturation point
- Superheat
- Subcooling
- Vapour Compression Cycle
- System Components
- Application of scientific principles
- Vapour compression cycle
- Varying load & temperature
- Ancillary components
- Common running problems
- Flooded Evaporator Systems
- Refrigerant Metering Devices
- Functions
- Refrigerant Superheat
- Definitions
- Superheat in a working system
- Measurement
- Adjustment
- The Surge Drum
- Function
- Location
- Sub-System Pump Down
- Isolating upstream
- No frost/frost/no frost rule
- Zero/zero rule
- Downstream isolation
- Purging vapour
- Sub-System Break In
- Purging vapour safely
- Break in
- Pressure testing
- Leak testing
- Evacuation & dehydration Reinstating sub-system
- Removing Oil from a Vessel
- Pressurising methods
- Oil heaters
- Removing oil
- Measurement and record keeping
- Refrigerant Charging
- Safety & regulations
- Safety with cylinders
- Liquid charging
- Vapour charging
- Testing for full charge
- Disconnecting equipment
- Practical Tuition and Work
- Selecting & using PPE
- Identifying risks & hazards
- Identification of system components
- Measurements on a working system
- Observation of normal conditions
- Observation of fault conditions
- Testing for contamination by air & moisture
- Measuring system - suction, superheat
- Partial system pump down
- Valve isolation
- Observing no frost/frost/no frost rule
- Purging vapour into water
- Observing zero/zero rule
- Sub-system break in
- Pressure test sub-system
- Evacuate & dehydrate sub-system
- Reinstate sub-system
- Prepare oil rectifier for oil removal
- Operate oil heaters
- Remove oil from vessel
- Make log book entry
- Measure cylinder weight
- Charge liquid ammonia
- Pump down charging equipment
Course Duration
Three days.
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Call Free: 0800 31 88 35 fax: 01708 739 041 All NEBOSH, IOSH, IFE, IEMA, ILM, IRATA and City & Guilds courses are run through authorised centres.
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London: 020 8819 9561
Manchester: 0161 660 7660
Norwich 01603 857 877
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or call free on 0800 31 88 35
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