When it comes to preserving the freshness and quality of your food, Sub-Zero refrigerators are known for their exceptional performance. One of the standout features in select models is the air purification system. In this comprehensive guide, we will delve into the details of the Sub-Zero Air Purification System and provide you with step-by-step instructions on how to make the most of this innovative technology. From understanding the air purification icon to replacing air filters, we’ve got you covered.
Models with an Air Purification System
To begin, let’s identify the models that include the air purification system. The Classic (BI) Refrigeration, Designer (IT, IC) Column, Tall, Drawer models ID-30RP and ID-36RP, as well as the Professional Refrigeration models PRO4850 and PRO3650, are equipped with the air purification system. However, it’s important to note that Freezer units and Wine Storage units do not feature this technology. Additionally, it is not possible to retrofit air purification systems to previous models like the 600 Series or 700 Series.
How the Air Purification System Works
Understanding how the air purification system works will help you appreciate its benefits. Many fresh foods release ethylene gas, a naturally occurring compound that accelerates food ripening and spoilage. The Sub-Zero air purification system, developed with NASA technology, efficiently eliminates ethylene and odors from the refrigerator’s air every 20 minutes.
It’s crucial to keep the air purification system turned on to ensure optimal performance. If the system is turned off, the fan responsible for air circulation will not operate. While the air purifier significantly reduces bacteria, it’s important to note that it may not completely eliminate them. Although the air purification system hasn’t been specifically tested against the coronavirus, it is not guaranteed to reduce or eliminate it.
How to Use the Air Purification System
To activate or deactivate the air purification system, locate the “PURE AIR” key on the unit’s control panel. This key serves as the control switch for the air purification functionality. Simply press the “PURE AIR” key to turn the system on or off according to your preference.
Icon Information
The air purification icon is a visual indicator of the system’s status. It resembles a sheet of paper with three wavy lines running through it. Here’s what the different states of the icon indicate:
- If the air purification icon is not present, it means the air purification system is turned off.
- When the icon is present and not flashing, it indicates that the air purification system is turned on and functioning properly.
- If the icon is present and flashing, it means the air purification cartridge needs to be replaced.
Filter Replacement
Although using the air filter is not mandatory, it is recommended for optimal performance. However, no harm will be done to your Sub-Zero unit if the air filter is not replaced or used. The system is designed to function without it.
The air purification cartridge’s bulb burns out after approximately 365 days of use or if the cartridge has reached the end of its lifespan. When this happens, the icon will begin flashing, signaling the need for a replacement. In Designer units, the remaining air filter life is indicated by a percentage, starting at 100% and decreasing as the filter is used.
Purchase Air Filters
To purchase replacement air purification cartridges, you have two options. You can either visit the Sub-Zero Accessory Store website or get in touch with the Factory Certified Parts Distributor in your area. When ordering, make sure to have the product serial number handy. This information is crucial to ensure you select the correct replacement filter for your specific Sub-Zero refrigerator. If you need assistance locating the serial number, refer to the Sub-Zero Serial Tag Locations guide.
For additional details regarding air filter part numbers and purchasing, refer to the comprehensive guide on How to Purchase Sub-Zero Air Filters.
Replacement Instructions
Now that you have obtained a replacement air purification cartridge, it’s time to replace the old one. The process may vary slightly depending on the series of your Sub-Zero refrigerator. Below, you’ll find specific instructions for Classic Series, Designer Series, and PRO Series air filter replacements.
Classic Series Air Filter Replacement
- Locate the air filter compartment in the refrigerator.
- Open the compartment door.
- Remove the old air purification cartridge.
- Insert the new cartridge into the compartment, ensuring it is securely in place.
- Close the compartment door.
Designer Series Air Filter Replacement
- Find the air filter panel inside the refrigerator.
- Remove the panel by pulling it towards you.
- Take out the old air purification cartridge.
- Insert the new cartridge into the panel, making sure it fits snugly.
- Reattach the panel by pushing it back into place.
PRO Series Air Filter Replacement
- Look for the air filter housing in the refrigerator.
- Open the housing by pulling it towards you.
- Remove the old air purification cartridge.
- Insert the new cartridge into the housing, ensuring a tight fit.
- Push the housing back into its original position.
For specific details and illustrations, refer to the respective user manuals provided by Sub-Zero.
Reset Indicator Instructions
Resetting the air filter indicator is a simple process that ensures accurate tracking of your air filter’s lifespan. Here are the instructions to reset the indicator:
- Press and hold the “PURE AIR” key on the unit’s control panel for 3-5 seconds.
- Release the key.
- The indicator should now be reset and ready to accurately monitor the filter’s usage.
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Frequently Asked Questions (FAQs)
Q: What should I do if the air purification icon is missing, shown, flashing, or blinking on display?
A: If the icon is missing, it means the air purification system is turned off. If the icon is shown and not flashing, it indicates that the system is turned on. However, if the icon is flashing or blinking, it means the air purification cartridge needs to be replaced.
Q: How do I turn PURE AIR on or off?
A: To activate or deactivate the air purification system, locate the “PURE AIR” key on the unit’s control panel and press it.
Q: Does the air purification cartridge eliminate odors in the refrigerator?
A: Yes, the air purification cartridge effectively eliminates odors in the refrigerator, ensuring your food stays fresh and free from unwanted smells.
Q: Where can I purchase air filters for my Sub-Zero refrigerator?
A: You can purchase replacement air purification cartridges from the Sub-Zero Accessory Store website or contact the Factory Certified Parts Distributor in your area.
Q: How do I reset the air filter indicator on my Sub-Zero refrigerator?
A: To reset the air filter indicator, press and hold the “PURE AIR” key on the unit’s control panel for 3-5 seconds, then release the key.
Q: How do I use or replace air filters in my Sub-Zero refrigerator?
A: To use air filters, ensure the “PURE AIR” key is turned on. If you need to replace the air filter, follow the specific instructions provided in the user manual for your Sub-Zero refrigerator model. The process may vary slightly depending on the series of your refrigerator. Refer to the user manual provided by Sub-Zero for detailed instructions and illustrations specific to your model.
Q: Can I use my Sub-Zero refrigerator without the air filter?
A: Yes, you can use your Sub-Zero refrigerator without the air filter. The system is designed to function properly even if the air filter is not replaced or used. However, using the air filter is recommended for optimal performance.
Q: How long does the air purification cartridge last?
A: The air purification cartridge typically lasts for approximately 365 days of use or until it has reached the end of its lifespan. It is important to replace the cartridge when the air purification icon starts flashing or when the filter has expired.
Q: Is the Sub-Zero air purification system effective against viruses like the coronavirus?
A: While the Sub-Zero air purification system significantly reduces bacteria and odors, it has not been specifically tested against viruses like the coronavirus. Therefore, it is not guaranteed to reduce or eliminate them.
Q: How often should I replace the air filter in my Sub-Zero refrigerator?
A: It is recommended to replace the air purification cartridge in your Sub-Zero refrigerator approximately every 365 days or when the air purification icon starts flashing, indicating the need for replacement.
Q: How do I know if the air purification system is working?
A: The air purification icon on the display panel is a visual indicator of the system’s status. If the icon is shown and not flashing, it means the air purification system is turned on and functioning properly. However, if the icon is flashing, it indicates that the air purification cartridge needs to be replaced.
The Sub-Zero Air Purification System is a valuable feature available in select Sub-Zero refrigerator models. By effectively eliminating ethylene gas and odors, it helps maintain the freshness and quality of your food. Understanding how to use and maintain this system is essential for optimal performance.
In this guide, we provided step-by-step instructions on using the air purification system, replacing air filters, and resetting the indicator. We also addressed frequently asked questions to further assist you in utilizing this innovative technology.
Remember to consult your Sub-Zero refrigerator’s user manual for model-specific instructions and refer to authorized Sub-Zero resources for purchasing replacement air purification cartridges. By following these guidelines, you can maximize the benefits of the Sub-Zero Air Purification System and enjoy fresh, high-quality food for longer periods.
If you have any further questions or concerns, don’t hesitate to reach out to Sub-Zero’s customer support or consult their official website for additional information and assistance.
