Hayward Perflex Perflex EC40C90 Series - Page 6

Perflex™ Extended Cycle Filtration System Prior to Start-Up Before Starting the Filter System 1. Obtain a supply of operating chemicals, D.E., and a pool test kit. Use only the swimming pool grades of D.E., such as: CELATOM (Eagle-Picher Industries, Inc.) AQUA-CEL (Johns-Manville Products Corporation) DICALITE 4200 (Grefco, Inc.) WITCO (Witco Corporation) 2. Superchlorinate the pool water by adding unstabilized granular or liquid chlorine. Stabilized forms of chlorine are recommended for normal daily use after the initial clean up of the water. Follow chemical manufacturer's recommendations for superchlorination and daily use. Important Safety Instructions - Read and follow all instructions When installing and using this equipment, basic safety precautions MUST always be followed. WARNING - Pump and Filter System Operates Under High Pressure. Failure to follow instructions may result in serious injury. 1. Always turn OFF pump and relieve tank pressure by opening Air Relief Valve before loosening Center Clamp or servicing filter. 2. To re-assemble Clamp on filter, make sure Clamp is located and centered properly over the filter flange. If Clamp is tight, tap Clamp with rubber mallet or block of wood to help seat it. Slide a Washer over each Bolt followed by a Spacer Tube. Insert Bolt assembly through both Clamp Halves. Slide on a Washer, secure with Hex Nut and hand tighten. Repeat on other side of Clamp. Alternately tighten both Bolt assemblies using a wrench and socket (1/2" drive). Alternately tighten until Spacer Tube is engaged (approx. 100 in-lbs.). Finally, tighten ¼ to ½ turn to secure (approx. 100 in-lbs.). 3. To re-start system, open all in-line valves. Open Air Relief Valve before starting pump. Stand clear of filter and prime and start the pump per the manufacturer's instructions. When a steady stream of water emerges from the Air Relief Valve, close Air Relief Valve.