LG LRFDS3006D Owners Manual - Page 22
Water Pressure, Supplies Needed, Water Line Installation Instructions
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22 INSTALLATION Water Pressure You will need a cold water supply. Water Pressure models with water filter 20 - 120 psi (138 - 827 kPa) where reverse osmosis water filtration system is connected to a cold water supply 40 - 60 psi minimum to reverse osmosis system (2.8 kgf/cm2 - 4.2 kgf/cm2, or less than 2 - 3 seconds to fill a cup of 7 oz capacity) If the water pressure from the reverse osmosis system is less than 20 psi or 138 kPa or 1.4 kgf/cm2 (takes more than 4 seconds to fill a cup of 7 oz or 198 cc capacity): • Check to see if the sediment filter in the reverse osmosis system is blocked. Replace the filter if necessary. • Allow the storage tank on the reverse osmosis system to refill after heavy usage. • If the water pressure remains low, call a licensed, qualified plumber. • All installations must be in accordance with local plumbing code requirements. Supplies Needed • Copper or PEX Tubing, ¼ in. outer diameter, to connect the refrigerator to the water supply. Be sure both ends of the tubing are cut square. To determine how much tubing you need, measure the distance from the water valve on the back of the refrigerator to the water supply pipe. Then, add 8 feet (2.4 m). Be sure there is sufficient extra tubing (about 8 feet [2.4 m] coiled into 3 turns of about 10 in. [25 cm] diameter) to allow the refrigerator to move out from the wall after installation. • Power drill. • ½ in. or adjustable wrench. • Flat-blade and Phillips-head screwdrivers. • Two ¼ in. outer diameter compression nuts and 2 ferrules (sleeves) to connect the copper tubing to the shutoff valve and the refrigerator water valve. • If your existing copper water line has a flared fitting at the end, purchase an adapter (available at plumbing supply stores) to connect the water line to the refrigerator OR cut off the flared fitting with a tube cutter and then use a compression fitting. • Shutoff valve to connect to the cold water line. The shutoff valve should have a water inlet with a minimum inside diameter of 5/32 in. at the point of connection to the COLD WATER LINE. Saddle-type shutoff valves are included in many water supply kits. Before purchasing, make sure a saddle-type valve complies with your local plumbing codes. NOTE • A self-piercing saddle type water valve should not be used. Water Line Installation Instructions WARNING • When using any electrical device (such as a power drill) during installation, be sure the device is battery-powered, double-insulated or grounded in a manner that will prevent the hazard of electric shock. Install the shutoff valve on the nearest frequently used drinking water line.