16 REVERSE OSMOSIS INSTALLATION AND USER GUIDE BARRIE ● ONTARIO ● CANADA 705.733.8900 WWW.EXCALIBURWATER.COM Changing In-Line Activated Carbon Post Filter • Close the Reverse Osmosis Feed Water Ball Saddle by turning fully clockwise. • Close the Reverse Osmosis Holding Tank Valve and then open the Reverse Osmosis Dispensing Faucet to release the pressure. • Remove the In-Line Reverse Osmosis Activated Carbon Post Filter. Disconnect the used Reverse Osmosis Post Filter by pressing in the connector's collar and at the same time pulling the tube out of the fitting. Unscrew the fittings on the In-Line, re-Teflon tape them and install them on the new Reverse Osmosis Post Filter. Do not over tighten the fittings. • Firmly reconnect the polytubes to the new Post Filter. • Slowly open the Reverse Osmosis Feed Water Saddle Valve. • When water begins dripping out of the Reverse Osmosis Faucet, in the following order, close the Reverse Osmosis Faucet and open the Reverse Osmosis Holding Tank Valve. When the Reverse Osmosis Faucet is first opened, expect air and carbon fines (very fine black powder), from the new Reverse Osmosis Post Filter to be rinsed out. This is normal for the first tank of water. At time of start-up and each time the Reverse Osmosis filters are changed the Reverse Osmosis system should be sanitized. Installation of Reverse Osmosis Membrane • Remove the Reverse Osmosis Membrane Housing (the closest of the three to in/out ports) • Insert the Reverse Osmosis membrane into the Reverse Osmosis Membrane Housing (The O-ring should be up toward the Reverse Osmosis Membrane Housing Cap). Check the Reverse Osmosis Housing O-ring for proper position in its groove, engage and firmly tighten the Reverse Osmosis Housing hand tight only. • Typical T.F.C. Reverse Osmosis Membrane life expectancy is three to five years with Water Softener prior to Reverse Osmosis system
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