User manual KENMORE 625.347001

[. . . ] 625. 347001 Caution: Read and Follow All Safety Rules and Operating Instructions Before First Use of This Product. Reverse Osmosis Drinking Water System u Warranty u How To Install If you have questions when installing, operating or maintaining your reverse osmosis system, call this toll--free number. . . u How It Works u Care Of u Repair Parts 1-800-426-9345 SAVE THIS MANUAL PRINTED IN U. S. A. Sears, Roebuck and Co. , Hoffman Estates, IL 60179 U. A. 1 -- WARRANTY -FULL WARRANTY ON REVERSE OSMOSIS DRINKING WATER SYSTEM (except filter cartridges and R. membrane) For one year from the date of purchase, when the Reverse Osmosis Drinking Water System is installed and maintained in accordance with our instructions, Sears will repair, free of charge, defects in material and workmanship, except filter cartridges and the R. TO OBTAIN WARRANTY SERVICE, SIMPLY CONTACT THE NEAREST SEARS SERVICE CENTER THROUGHOUT THE UNITED STATES. [. . . ] 9, page 11, and to page 12 when replacing cartridges. The prefilter (left side) cartridge has light gray coloring, and the postfilter (right side) has blue coloring. PRESSURE TESTING 1. Do the preceding sanitizing procedures before pressure testing. Open the water supply shutoff valve to the RO. Open the main water supply valve and several house faucets to purge air from the system. Close faucets when water runs smooth. 4. In about 2 hours, pressure will start to build in the RO system. Then, carefully check all fittings and connections for water leaks. Note: When the system is first pressurized, water may `spurt' ` 'from the faucet airgap hole until air is expelled from the RO system. PURGING RO MEMBRANE Important purging instructions: The RO cartridge contains a food grade preservative that you should clean from it before using water from the system. The preservative will give product water an unpleasant taste and odor. 1. Allow the storage tank to fill for about 4 hours. Then, open the RO faucet until the tank is empty and flow stops. Close the RO faucet and allow the tank to fill again for 4 hours. Then, open the RO faucet and empty again. Repeat steps 1 and 2 to purge the storage tank 4 times. Then, the RO system is ready to make product water for use. 9 -- HOW YOUR REVERSE OSMOSIS SYSTEM WORKS -PREFILTER Water from the cold supply pipe enters the RO assembly prefilter first (FIG. The prefilter has a replaceable sediment cartridge with activated carbon in its composition. The cartridge (10 micron) removes sand, silt, dirt, other sediments, and up to the ppm of chlorine shown in the specifications from the feed water. Filtered, clean, chlorinefree water flows from the prefilter, to the RO membrane cartridge. IMPORTANT: See prefilter maintenance, page 11. REVERSE OSMOSIS (RO) CARTRIDGE The cartridge inside of the RO housing, is a tightly wound, special membrane. Water is forced through the cartridge and the membrane removes the dissolved solids and organic matter. High quality product water (about 1 ounce per minute) exits the RO housing and goes to the storage tank, or to the postfilter and RO faucet. [. . . ] to conform before doing maintenance on the RO system. Replace the prefilter, postfilter and RO membrane cartridges, flow control, and screen. Water leaking from fau- Drain side of faucet airgap (3/8"tubing) Inspect and eliminate restriction or plug. Refer to installation cet airgap hole plugged, restricted, or incorrectly con- instructions for proper drain connection. Continual water flow to Check valve or automatic shutoff assem- Clean, repair or replace as needed. [. . . ]