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| Small self-contained units, mass-produced in a factory using hermetically sealed compressors, e.g. domestic fridges and freezers, small retail displays, “through the wall” air conditioners. Category 1 systems are usually leak-free for the whole of their working life. | Anything larger than Category 1, using more complex items of refrigeration equipment and usually requiring some on-site assembly and refrigerant filling. They are susceptible to refrigerant leakage and often require regular maintenance. Examples are cellar coolers, cold stores, remote condensing units, split system air conditioners, central and industrial systems. |
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| (a)
Continue running your existing plant until it reaches the end of its useful
life;
(b) Make plans for when the system breaks down and loses its refrigerant (CFC equipment can no longer be topped-up with CFC refrigerant); (c) Plan how you can dispose of an old system safely and legally. |
Among
the issues to consider are: how many systems do you own? How old
is each plant? Environmental / financial / waste / health & safety
issues. Which options will be most practical and economic?
Then the alternative approaches will come down to: (a) Do nothing (not an option for Category 2 CFC equipment); (b) Keep existing systems operational by retrofilling with an alternative refrigerant; (c) Replace existing equipment with a new system. |
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