Suva® HP81 is an HCFC retrofit refrigerant for R-502 in limited applications where a 10°F to 20°F (5.5°C to 11°C) increase in compressor discharge temperature is desirable, such as some ice machines and other self-contained systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.
Works with existing mineral oil (MO) in many unitary and close-coupled systems.
Alkylbenzene (AB) oil is recommended for optimum oil return.
One compressor oil change to AB will typically remove 50% to 80% of the existing MO, which satisfies the recommendations and requirements of most compressor manufacturers; 10% to 25% less refrigerant is needed. See retrofit guidelines for full details.
Phaseout Schedule
Consult the specific regulations in your country or region.
Lubricant Recommendation
AB or MO
ASHRAE Safety Classification
A1
Cylinder Sizes
See specific container size information in your country or region.
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Suva® HP81 is an HCFC retrofit refrigerant for R-502 in limited applications where a 10°F to 20°F (5.5°C to 11°C) increase in compressor discharge temperature is desirable, such as some ice machines and other self-contained systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.
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