R22 Substitution - fuchs europe schmierstoffe gmbh

R22 Substitution – What has to be considered?
Retrofit is understood as an active adaptation of the refrigeration system to the new R22
substitute. This is often done with the exchange of the compressor oil and an overhauling of the
complete system. A retrofit is reasonable when longer remaining lives are planned, the availability
of the plant (e.g. as part of an industrial process) is of importance and costs for changeover and
operation are of relevance.
The new installation of a plant promises the best advantages with regard to efficiency and safety.
To the costs, however, a new installation is always linked with the highest investment. Due to
spatial or procedural reasons this is often impossible, e.g. due to longer downtimes of the plant.
Plant-specific suitability of R22 substitutes
The plant-specific suitability is a fundamental condition when choosing a R22 substitute.
The plant-specific suitability comprises:
# material properties (Fe / Cu / plastics)
# safety aspects ( toxicity and combustibility)
# plant design (e.g. evaporator / compressor)
The plant-specific suitability of a R22 substitute is not given, if above items can only be solved
with disproportionately high expenditures or not at all.
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