Whirlpool WRFF5333P Owners Manual - Page 9
Connect the Water Supply, Water, Pressure, Reverse, Osmosis, Supply, Connect
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� Do not use a piercing-type or 3/16" (4.76 mm) saddle valve which reduces water flow and clogs more easily. � Use copper or PEX tubing and check for leaks. Install copper or PEX tubing only in areas where the household temperatures will remain above freezing. � For models with water filters, the disposable water filter should be replaced at least every 6 months. Water Pressure A cold water supply with water pressure of between 35 and 120 psi (241 and 827 kPa) is required to operate the water dispenser and ice maker. If you have questions about your water pressure, call a licensed, qualified plumber. NOTE: If the water pressure is less than what is required, the flow of water from the water dispenser could decrease or ice cubes could be hollow or irregular shaped. Reverse Osmosis Water Supply IMPORTANT: The pressure of the water supply coming out of a reverse osmosis system going to the water inlet valve of the refrigerator needs to be between 35 and 120 psi (241 and 827 kPa). If a reverse osmosis water filtration system is connected to your cold water supply, the water pressure to the reverse osmosis system needs to be a minimum of 40 to 60 psi (276 to 414 kPa). If the water pressure to the reverse osmosis system is less than 40 to 60 psi (276 to 414 kPa): � Check to see whether 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. The tank capacity could be too small to keep up with the requirements of the refrigerator. NOTE: Faucet-mounted reverse osmosis systems are not recommended. � If your refrigerator has a water filter, it may further reduce the water pressure when used in conjunction with a reverse osmosis system. Remove the water filter. See "Water Filtration System". If you have questions about your water pressure, call a licensed, qualified plumber. Connect the Water Supply Read all directions before you begin. IMPORTANT: � Plumbing shall be installed in accordance with the International Plumbing Code and any local codes and ordinances. � The water tubing on the back of the refrigerator (which is used to connect to the household water line) is a PEX (cross-linked polyethylene) tube. Copper and PEX tubing connections from the household water line to the refrigerator are acceptable, and will help avoid off-taste or odor in your ice or water. Check for leaks. If PEX tubing is used instead of copper, we recommend contacting Service to obtain current part numbers. � Install tubing only in areas where temperatures will remain above freezing. � Connect to a potable water supply only. Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. Systems certified for cyst reduction may be used on disinfected waters that may contain filterable cysts. Tools Needed: Gather the required tools and parts before starting installation. � Flat-blade screwdriver � 1/4" Nut driver � 7/16" and 1/2" Open-end or two � 1/4" Drill bit adjustable wrenches � Cordless drill NOTE: Your refrigerator dealer has a kit available with a 1/4" (6.35 mm) saddle-type shutoff valve, a union, and copper or PEX tubing. Before purchasing, make sure a saddle-type valve complies with your local plumbing codes. Do not use a piercingtype or 3/16" (4.76 mm) saddle valve which reduces water flow and clogs more easily. Connect to Water Line IMPORTANT: If you turn on the refrigerator before the water line is connected, turn off the ice maker. 1. Unplug refrigerator or disconnect power. 2. Turn off main water supply. Turn on nearest faucet long enough to clear line of water. 3. Use a quarter-turn shutoff valve or the equivalent, served by a 1/2" copper or PEX household supply line. NOTE: To allow sufficient water flow to the refrigerator, a minimum 1/2" size copper or PEX household supply line is recommended. A. Bulb B. Nut C. Copper or PEX tubing (to refrigerator) D. Household supply line (½" minimum) 4. Now you are ready to connect the copper or PEX tubing to the shutoff valve. Use 1/4" (6.35 mm) O.D. (outside diameter) soft copper or PEX tubing to connect the shutoff valve and the refrigerator. � Ensure that you have the proper length needed for the job. Be sure both ends of the copper tubing are cut square. � Slip compression sleeve and compression nut onto copper tubing as shown. (PEX tubing has compression sleeves and compression nuts preinstalled.) Insert end of tubing into outlet end squarely as far as it will go. Screw compression nut onto outlet end with adjustable wrench. Do not overtighten. A. Compression sleeve B. Compression nut C. Copper or PEX tubing 9