Jandy ePump Series Installation And Operation Manual
Also see for ePump Series: Installation and operation manual
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Contents
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Page 6 ePump ™ Series Pumps, Installation and Operation Manual1.2 Pool Pump Suction Entrapment Prevention GuidelinesWARNINGPump suction is hazardous and can trap and drown or disembowel bathers. Do not use oroperate swimming pools, spas, or hot tubs if a suction outlet cover is missing, broken, or loose.The following guidelines provide information for pump installation that minimizes risk of injury to users ofpools, spas, and hot tubs:Entrapment Protection - The pump suction system must provide protection against the hazards ofsuction entrapment.Suction Outlet Covers - All suction outlets must have correctly installed, screw-fastened covers inplace. All suction outlet (drain) covers must be maintained. Drain covers must be listed/certified to thelatest published edition of ANSI/ASME A112.19.8. They must be replaced if cracked, broken, or missing.Number of Suction Outlets Per Pump - Provide at least two (2) hydraulically-balanced main drains,with covers, as suction outlets for each circulating pump suction line. The centers of the main drains(suction outlets) on any one (1) suction line must be at least three (3) feet apart, center to center. SeeFigure 1 on page 7.The system must be built to include at least two (2) suction outlets (drains) connected to the pumpwhenever the pump is running. However, if two (2) main drains run into a single suction line, the singlesuction line may be equipped with a valve that will shut off both main drains from the pump. The systemshall be constructed such that it shall not allow for separate or independent shutoff or isolation of eachdrain. See Figure 1 on page 7.More than one (1) pump can be connected to a single suction line as long as the requirements above aremet.Water Velocity - The maximum water velocity through the suction fitting or cover for any suction outletmust be 1.5 feet per second, unless the outlet complies with the latest published edition of ANSI/ASMEA112.19.8, the standard for Suction Fittings For Use in Swimming and Wading Pools, Spas, Hot Tubs,and Whirlpool Bathtub Applications. In any case, do not exceed the suction fitting’s maximum designedflow rate.If 100% of the pump’s flow comes from the main drain system, the maximum water velocity in the pumpsuction hydraulic system must be six (6) feet per second or less, even if one (1) main drain (suctionoutlet) is completely blocked. The flow through the remaining main drain(s) must comply with the latestpublished edition of ANSI/ASME A112.19.8, the standard for Suction Fittings For Use in Swimming andWading Pools, Spas, Hot Tubs, and Whirlpool Bathtub Applications.Testing and Certifi cation - Suction outlet covers must have been tested by a nationally recognizedtesting laboratory and found to comply with the latest published edition of ANSI/ASME A112.19.8, thestandard for Suction Fittings For Use in Swimming and Wading Pools, Spas, Hot Tubs, and WhirlpoolBathtub Applications.Fittings - Fittings restrict flow; for best efficiency use fewest possible fittings (but at least two (2) suctionoutlets).Avoid fittings that could cause an air trap.Pool cleaner suction fittings must conform to applicable International Association of Plumbing andMechanical Officials (IAPMO) standards.WARNINGSUCTION HAZARD. Can cause serious injury or death. Do not use this pump for wadingpools, shallow pools, or spas containing bottom drains, unless pump is connected to atleast two (2) functioning suction outlets. |
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