537388 3 Laing E Series Domestic Hot Water Pump Specifications User Manual
User Manual: Pump 537388 3 Laing E Series Domestic Hot Water Pump Specifications
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Laing Thermotech E1 and E3 Brass Spec Sheet AC Electronically Commutated Spherical Motor Centrifugal Pumps Applications Specifically designed for the following uses: •Hot Water Circulation •Fan Coil Heating •Solar Heating •Radiant Heating Systems Specifications Pump: •Max Capacities: 6 GPM •Max Head: 11’ •Pipe Connections: ½” FPT and ½” Sweat Suction and Discharge •Maximum Working Pressure: 145 PSI •Maximum Temperature: 203° F •Rotation: counter clockwise when viewed from the motor end Motor: •Canned Spherical Motor Type •World Voltage 100-240 Volt 50/60 Hz Cycle •12-28 Watts •Automatic Overload Protection •Low In-Rush Current Features Compact Design: Close coupled, space saving design provides easy installation. Mounting: Pump can be mounted horizontally or vertically with motor end down. Construction: Wetted parts are brass, 316SS, thermoplastic, carbon and ceramic for superior corrosion resistance. Ceramic Bearing Ball and Carbon Bearing Cap: High density ceramic bearing ball and graphite impeller bearing cap designed for high efficiency and long life. Impeller: Highly efficient and dynamically balanced with carbon bearing for smooth ultra quiet operation. Casing: Casing is lead free brass construction. Mechanical Seal: Unique patented design has no mechanical seal which is a potential leak path. Motor: Highly efficient and ultra quiet spherical motor design. Pump is designed for continuous operation. All ratings are within working limits of the motor. Electronics: Embedded microprocessor control is self regulating and available with variable speed with PWM input or dial control (potentiometer) on the pump. Noise level: Whisper quiet, less than 40 db. Weight: Lightweight construction weighs less than 3lbs. Laing Thermotech E1 and E3 Brass Spec Sheet Materials of Construction (Wetted Parts) Part Materials Pump Housing Brass “O” Ring EPDM or Viton Impeller Polyphenylene Oxide (PPO) Bearing Carbon/Allumina Ceramic All Other Wetted Parts 316 Stainless Steel 1/2” 4 3/16” Threaded and Sweat Housing 2 3/4” 5 1/2” 4 1/4” 2 3/4” Ultracirc Housing 2 1/2” 5 1/2” E3 Pump Curves 4 3 10 8 6 2 4 1 2 0 0 1 2 3 4 Flow (GPM) 5 6 10 Head (FT) Head (FT) 5 12 12 ------------------ -------------- ---------- - Power Consumption (W) 6 0 ITT 3878 S. WIllow, Suite 104 Fresno, CA 93725 Tel: (559) 265-4730 (800) 554-6853 Fax: (559) 265-4740 (800) 453-7523 www.lainginc.com Copright © 2009 ITT Corporation. Printed in the U.S.A. December 2009. SS-02 8 30 ------------------------------------- ----------------- 25 20 6 15 4 10 2 5 0 0 1 2 3 4 Flow (GPM) 5 6 0 Power Consumption (W) E1 Pump Curves
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