Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your A. O. Smith AO-US-200 2-Stage Under Sink Water Filter System. Please read all instructions carefully before beginning installation or use to ensure proper function and safety. This system is designed to provide clean, filtered drinking water directly from a dedicated faucet.
Informació important de seguretat
Always follow basic safety precautions when installing or maintaining this product to reduce the risk of fire, electric shock, or injury to persons. Keep this manual for future reference.
- Tanqueu el subministrament principal d'aigua abans de la instal·lació.
- Do not install the system where it will be exposed to freezing temperatures.
- Assegureu-vos que totes les connexions estiguin ben fixades per evitar fuites.
- Use only genuine A. O. Smith replacement filters.
Què hi ha a la caixa
Verifiqueu que tots els components siguin presents abans de començar la instal·lació:
- AO-US-200 Filter Unit
- Aixeta
- Filter Cartridge Set (2 cartridges)
- Clau anglesa
- Tubs
- 1/4" Brass Tee
- Mounting Screws with Anchors
- Faucet Installation Hardware (spacers, nuts, washers)
Especificacions
| Característica | Detall |
|---|---|
| Número de model | AO-US-200 |
| Filtració Stages | 2-Stage Claryum Filtration |
| Vida del filtre | 6 months / 500 Gallons |
| Reducció de contaminants | Reduces up to 99% of 78 contaminants including Lead, PFAS, Chlorine, Mercury, Asbestos, Pharmaceuticals, Chloramine |
| Certificacions | NSF/ANSI Standards 42, 53, and 401 (WQA Tested & Certified) |
| Caudal | 0.5 galons per minut |
| Material | Bloc de carboni |
| Dimensions (aprox.) | Alçada: 9 cm (22.9 polzades), amplada: 8.25 cm (21 polzades), profunditat: 4.25 cm (10.2 polzades) |
Configuració i instal·lació
1. Llista de verificació prèvia a la instal·lació
- Eines necessàries: Adjustable wrench, measuring tape, pencil, Phillips head screwdriver, hammer, variable speed drill with 7/32" bit, level.
- Ubicació: Select a space under your sink that is at least 12 inches from the bottom of your cabinet and allows for easy access to a cold water supply line.
- Faucet Placement: The dedicated faucet may be mounted on the sink using an existing hole (e.g., for a sprayer nozzle or soap dispenser) or by drilling a new hole no more than 1/2 inch in diameter. Ensure the faucet's spout extends slightly past the edge of the sink. Note: We recommend using an approved or certified professional if drilling is required.
2. Connecting to Cold Water Supply
- Tanca el subministrament d'aigua freda de la pica.
- Disconnect the cold water supply line from the shut-off valve.
- Attach the threaded end of the 1/4" brass tee to the cold water shut-off valve.
- Connect the cold water supply line to the top of the brass tee.
- Tighten all connections using an adjustable wrench.
3. Instal·lació d'aixetes
- Insert the faucet stem through the chosen hole in your sink.
- From underneath the sink, slide the faucet rubber washer, faucet washer, and faucet spacer onto the faucet stem.
- Secure the faucet with the faucet nut, tightening it with a wrench to ensure it is secure to the sink.
4. Mounting the Filter Unit
- Temporarily position the filter unit under the sink in your chosen location.
- Marqueu els forats de muntatge amb un llapis.
- Drill pilot holes at the marked locations. If mounting into drywall, insert the provided drywall anchors.
- Mount the unit to the wall using the provided screws.
5. Tubs de connexió
- Connect one end of the provided tubing to the open port on the brass tee. Ensure the plastic tube insert and brass nut are correctly installed for a secure, leak-free connection.
- Insert the other end of this tubing completely into the 'IN' port of the filter unit.
- Connect another piece of tubing to the faucet stem. Ensure the chrome nut and plastic collar are correctly installed.
- Insert the other end of this tubing completely into the 'OUT' port of the filter unit.
6. Initial System Flush
- Slowly turn on the cold water supply.
- Open the dedicated filtered water faucet and allow water to run for 10 minutes to flush the system. This removes air and carbon fines.
- Comproveu si hi ha fuites a totes les connexions. Estrenyeu-les si cal.
Video 1: Official A. O. Smith AO-US-200 Installation Guide. This video provides a visual walkthrough of the installation process for the 2-stage under sink water filter system.
Funcionament del vostre sistema
Once installed and flushed, your A. O. Smith AO-US-200 system is ready for use. Simply open the dedicated filtered water faucet to dispense clean, filtered water. The system filters water at a rate of 0.5 gallons per minute, suitable for families of 1 to 4 people.
Maintenance: Filter Replacement
For optimal performance, replace your filter cartridges every 6 months or after 500 gallons of use, whichever comes first. The system is designed for easy, tool-free filter replacement.
Tecnologia de filtració
Passos de substitució del filtre
- Tanqueu el subministrament d'aigua freda al sistema.
- Open the filtered water faucet to relieve pressure and drain any remaining water.
- Twist the old filter cartridges counter-clockwise to remove them from the unit housing.
- Discard the old filters.
- Insert new filter cartridges into the unit housing, aligning the connection points.
- Push the new filters up and twist clockwise until they are securely locked into place.
- Slowly turn on the cold water supply.
- Open the filtered water faucet and allow water to run for 10 minutes to flush the new filters.
- Comproveu si hi ha fuites.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Fuites a les connexions | Loose fittings, missing O-rings, improper tubing insertion. | Ensure all nuts are tightened, check for properly seated O-rings, re-insert tubing fully into quick-connect fittings. Using plumber's tape on threaded connections can help. |
| Baix cabal d'aigua de l'aixeta | Clogged filters, kinked tubing, low incoming water pressure. | Replace filters if they are past their service life. Check tubing for kinks. Verify adequate household water pressure. |
| Unpleasant taste/odor | Filters are exhausted, initial carbon fines not fully flushed. | Replace filters. Flush the system for an extended period (e.g., 15-20 minutes) after filter replacement. |
| Filter change indicator not working | Cal substituir la bateria. | Replace the battery in the filter unit's indicator. |
Informació de la garantia
A. O. Smith provides a limited warranty for this product. Please refer to the warranty card included with your purchase or visit the official A. O. Smith weblloc web per conèixer els termes i condicions detallats. Conserveu el comprovant de compra per a reclamacions de garantia.
Atenció al client
If you have any questions, require assistance with installation, or need to order replacement parts, please contact A. O. Smith Customer Support:
- Weblloc: www.aosmith.com
- Telèfon: Refer to your product packaging or the A. O. Smith weblloc web per obtenir els números de contacte més actuals.







