No harm will be done to the Sub-Zero unit if the air filter is not replaced or not used. If the icon is present and flashing, the air purification cartridge needs to be replaced.If the icon is present and not flashing, the air purification system is turned on.If the icon is not present, the air purification system is turned off.The air purification icon looks similar to a sheet of paper with three wavy lines going through it. The "PURE AIR" key on the unit control panel turns on or turns off the air purification system. We have not done testing specifically with the coronavirus so cannot state the air purification would reduce or eliminate the coronavirus. The air purifier is intended to greatly reduce, not necessarily completely kill bacteria.If the air purification system is turned off, the fan will not run.Sub-Zero refrigerators come with an air purification system (based on technology developed by NASA) that scrubs the air of ethylene and odor every 20 minutes.
Many fresh foods emit ethylene gas, a naturally occurring compound that hastens food ripening and spoilage. Wine Storage units do not have air purification systems.It is not possible to add air purification systems to previous models (600 Series, 700 Series, etc.).All Freezer units do not feature air purification systems.Answer: Models with an Air Purification SystemĬlassic (BI) Refrigeration, Designer (IT, IC) Column, Tall, Drawer models ID-30RP and ID-36RP, and Professional Refrigeration models PRO4850 and PRO3650 are the only units that include air purification systems.
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