Ammonia Practice (2078)
A 4½ day course designed for installation and service engineers who are required to work on ammonia systems. The objectives of this programme are to give a thorough understanding of the practical aspects of installing, commissioning and servicing refrigeration plant containing ammonia. Included are charging and decanting techniques, evacuation and pressure testing.
System and Circuits
- Resume of elementary definitions
- Basic principles of Heat transfer
- The simple circuit
- Conditions of refrigerant throughout the circuit.
- Dry expansion, flooded and pump circulation evaporator systems.
- Review of compound compression and multi-temperature systems.
- Review of properties of NH3
- Leak detection methods
- Safe handling and storage
- First Aid
- Operating Limits
Practical content includes:
- Breaking into system
- Bubbling off NH3
- Pressure testing to EN378/2008
- Evacuation to remove air/moisture
- Charging NH3 into system
- Logging of system parameters
- Fault diagnosis
Successful completion of individual assessment at the end of training will result in City & Guilds 2078: Parts 003 & 004 Safe Handling of Ammonia.
The Hall Training Centre reserves the right to cancel a course in the event of unforeseen circumstances. Whilst this necessity is regretted we will endeavour to give as much notice as possible, and in all cases the student will have the option of transferring to another course at a later date.
Cancellations made by students or their sponsors, must be received by letter, fax or E-mail and will be charged as appropriate at the following rates:-
Within 10 working days of the start date: 25% of the course fee
Within 2 working days of the start date: 50% of the course fee
On the start date, or non-attendance: 100% of the course fee
Cancellation fees will be credited against an invoice if the student completes the course at a later date within the same financial year. Private students will, if applicable, be refunded in accordance with the above policy.
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