Assessments - 4, GPA: 4.3
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• The contaminants or other substances removed or reduced by the selected cartridge are not necessarily in your water. Ask your local water municipality for a copy of their water analysis, or have your private well tested by a reputable water testing lab. • After prolonged periods of non-use (such as during a vacation) it is recommended that the system be flushed thoroughly. Let water run for 5–6 minutes before using. • The filter cartridge used with this system has a limited service life. Changes in taste, odor, color, and/or flow of the water being filtered indicate that the cartridge should be replaced. • Some harmless bacteria may attack cellulose media cartridges (such as the D- 10). If your cartridge seems to disintegrate or develops a musty or moldy odor, switch to a synthetic media cartridge or call Technical Support. The US-550 is Tested and Certified by NSF International to NSF/ANSI Standards 42/53 with cartridges D-10, D-20, D-30 and D-40. See Performance Data Sheet in Manual for specific claims. Cartridge Selection Guide Select the right cartridge D-10 D-20 D-30 D-40† for your water needs. 155528 155532 155465 155466 Sediment • • • Bad taste & odor • • • • Chlorine: taste & odor • • • • Giardia/Cryptosporidium • • Asbestos • • Lead/Mercury • Lindane/Atrazine • filter life in gallons (months)* 250 (3) 1000 (12) 1000 (12) 600 (6) service flow rate gpm (Lpm)** 1.0 (3.8) 1.0 (3.8) 0.9 (3.4) 0.6 (2.3) * Filter cartridge life varies depending on filter type, usage and water conditions. **Flow rates measured at 60 psi (4.1 bar). † Contains built in flow control at 0.6 gpm (2.3 Lpm). For use with separate faucet (FT-10) in under-sink installations. NOTE: Substances reduced are not necessarily in your water. Filter must be maintained according to manufacturer’s instructions, including replacement of filter cartridges. Installation NOTE: • For standard under-sink installation on 3/8-inch (10 mm) cold water line (copper or PVC pipe). • Please read all instructions, specifications, and precautions before installing and using your water filter. • Install filter cartridge in housing before proceeding with installation (see Filter Cartridge Replacement on page 3). • Numbered diagrams correspond with numbered steps. 1. Prepare Area and Adapters (A) Turn off cold water supply and open nearest faucet to release pressure in pipes before starting installation. Place a tray or towel under the cold water line to catch excess water. (B) Apply about 3–4 inches (76–102 mm) of Teflon® tape in clockwise direction to pipe threads of each adapter. 2. Attach Mounting Bracket Using the self-tapping screws, attach mounting bracket to cap, then mark location under sink where filter is to be mounted. NOTE: Allow 1-1/2 inches (33 mm) under filter to enable filter cartridge changes. 3. Attach Pipe Adapters to Filter Cap Start connector into inlet on filter cap by hand. Using an adjustable wrench, tighten connector firmly. DO NOT OVERTIGHTEN. About one thread should remain visible. Repeat for outlet on filter cap. Mount filter in marked location with mounting bracket. 4. Attach to Cold Water Line (A) Using a pipe cutter or hacksaw, remove a 3-inch (76 mm) section of pipe from the cold water line. Deburr ends of remaining pipe with a file. (B) Disassemble nuts and ferrules from compression elbows. Install a compression elbow onto each end of remaining cold water line as shown. Using two wrenches, tighten compression nuts firmly. NOTE: Use metal ferrules with copper pipe and plastic ferrules with plastic pipe. 5. Installing the Tubing Determine the lengths of tubing needed to connect the inlet and outlet sides of filter to the compression elbows on the cold water line. Measure tubing short enough to prevent kinking. Assemble as shown. Using two wrenches, tighten compression nuts 1–2 turns. 6. Completing the Installation Turn on the water supply to allow filter to slowly fill with water and then press the red pressure-relief button on top of the housing to release trapped air. Check for leaks and tighten as needed. NOTE: A drinking water cartridge may contain carbon fines (very fine black powder). After installation, flush the cartridge for 5 minutes before using the water. It is recommended that you run the tap at least 20 seconds prior to using the water for drinking or cooking purposes. 2 1 4 5 6 3 2 IN OUT 3” cold water line nut ferrule elbow B B A Filter Cartridge Replacement (A) 1. Turn off water supply to filter. 2. Depress red pressure-relief button on top of filter. 3. Unscrew and remove bottom of housing. (B) Locate and remove large o-ring, wipe clean of lubricant and set aside. Discard used cartridge. Rinse out bottom of housing and fill 1/3 full with water. Add about 2 tablespoons of bleach and scrub cap and bottom of housing with non-abrasive sponge or cloth. Rinse thoroughly. Lubricate o-ring with clean silicone grease. Insert o-ring back into groove and smooth into place with finger. NOTE: This step is important to ensu...