Phase-down status of refrigerants in SA
By Grant Laidlaw
Understanding more around the Montreal Protocol and its amendments since its founding in the context of phase-down.
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Grant Laidlaw
Using hand-operated chain blocks
By Grant Laidlaw
Always make sure all your equipment is in working order, inspections have been done as required and that the lifting equipment can safely lift the load. Do not forget to inspect the gantry that you are using and that it in turn complies.
Water composition in chiller systems
By Grant Laidlaw
What is added to the water in chiller systems is done so for a number of reasons including system performance.
Refrigerant cylinder colour-coding
By Grant Laidlaw
All refrigerant containers, in addition to being marked with the type of refrigerant they contain, have a particular colour.
Working with R32 refrigerant
By Grant Laidlaw
Safe working practices of this refrigerant start with the legal requirement of being registered to do so, and further include tools and considerations.
Chest freezers – maintenance essentials By Grant Laidlaw
Freezer maintenance too should include replacement of the drier that could fail disastrously.
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ACS power supply, and fault-finding on electrical motors
By Grant Laidlaw
To address these topics, we need to consider the SANS and a logical approach.
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COMPRESSORS AND OIL PRESSURE FAILURES
By Grant Laidlaw
Even if the oil level is correct, the pressure may not be adequate to ensure lubrication of all the components in the compressor.
Key progress made in SA HFC phase-down
By John Ackermann
A two-day workshop in Cape Town brought together industry and government representatives and stakeholders to discuss opportunities in phasing down HFCs under the Kigali Amendment to the Montreal Protocol.