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manual abstract
• These instructions contain information for a variety of pump models and therefore some instructions may not apply to a specific model. All models are intended for use in swimming pool applications. The pump will function correctly only if it is properly sized to the specific application and properly installed. • The pump is available with or without a specially designed strainer pot assembly. If a suction strainer pot assembly is to be provided, it should comply with NSF-50 standards. Pumps without the strainer pot assembly are not self-priming and must be installed so that the pump is always flooded with water. If the pump is to be installed without a strainer pot, plumbing suction inlets must prevent debris larger than . in. in diameter from being drawn into the pump. • Pumps installed with the specially designed strainer pot assembly are self-priming at heights up to 10 feet depending on the specific installation. EQ Series Pump Installation and User’s Guide Section 1 Introduction EQ Series® High Performance Commercial Pump Overview The EQ Series pumps deliver extraordinary performance in every key aspect. They're built to last, of course, and are also built to be incredibly efficient, quiet, lightweight and corrosion-resistant. All of this adds up to a pump that is highly cost effective and suited for a wide range of commercial water applications. At the heart of the EQ's extraordinary performance is its unique impeller design. It provides two significant benefits. First, it means more efficient performance — the EQ pump moves more water more quickly than comparable pumps. And secondly, it means the pump's motor doesn't have to work as hard and, as a result, runs cooler and lasts considerably longer. What's more, the Pentair EQ pump has been through a rigorous design, development and testing program so you know it's built to handle the toughest commercial applications for years to come. Available in single and three-phase, 50 and 60 Hz models, the EQ sets the new standard for performance in pumps. No one else in the industry has made a plastic injection-molded pump with performance like this for pool and water applications. EQ Series Pump Patent Pending EQ Series Pump Installation and User’s Guide General Features • EQ Series = Energy Efficient and Quiet • Designed in every detail for maximum efficiency • The only non-corrosive, all-plastic pump designed exclusively for the commercial pool and water applications market • The EQ impeller features an exclusive design that provides true breakthrough performance • Lower load due to efficient impeller design means longer motor life • Cam and Ramp™ lid design with clear lid for added convenience in servicing Additional Features: • Closed coupled for quiet stable flow operation • Lightweight • 6" suction and 4" discharge with strainer pot • Closed impeller for longer motor life • Heat-resistant seal operates at up to 150° Fahrenheit • Bolt-on strainer pot • Easy one-man installation • Self-priming pump • NSF-Listed • Models available for water feature applications EQ Series Pump Installation and User’s Guide Section 2 Installation The following general information describes how to install the EQ Series pump. Note: Before installing this product, read and follow all warning notices and instructions starting on page ii. Installing the EQ Series Pump Only a qualified service person should install the EQ Series pump. Mechanical Installation and Pressure Testing Mechanical Installation 1. Carefully remove the pump unit and strainer pot assembly, if included, from its shipping package. 2. The pump will perform best when the suction and return head losses (Total Dynamic Head (TDH)) of the pool system have been carefully determined and the correct pump model selected to fit these requirements. A pump should be selected to operate near the center of its Performance Curve with as high an efficiency as possible. It is also important that the Net Positive Suction Head Available (NPSHA) be greater than the Net Positive Suction Head Required (NPSHR) at the design flow rate. 3. If it is not possible to determine accurate suction and discharge head losses (Total Dynamic Head (TDH)), conservative plumbing practices should be strictly adhered to. This would include installing the pump as close to the pool as possible and at approximately the same level as the pool water level. (See page iv., General Installation Information, regarding when a strainer pot assembly is required.) Use large diameter pipe especially on the suction line to keep flow velocities at or below 6 feet per second (fps). Flow velocities in the return plumbing should not exceed 10 fps. Also keep elbows and tees to a minimum. Installations where the pump is going to be installed more that 10 feet below or 5 feet above the pool water level must be evaluated by an experienced professional to ensure that the pump will function correctly. 4. A solid flat foundation should be provided to support the pump. The are...