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.

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

Laing Thermotech

E1 and E3 Brass Spec Sheet

Materials of Construction (Wetted Parts)

Part

Pump Housing

“O” Ring

Impeller

Bearing

All Other Wetted Parts

Materials

Brass

EPDM or Viton

Polyphenylene Oxide (PPO)

Carbon/Allumina Ceramic

316 Stainless Steel

6

5

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2

1

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E1 Pump Curves E3 Pump Curves

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Head (FT)

Head (FT)

Power Consumption (W)

Power Consumption (W)

Flow (GPM) Flow (GPM)

0123456 0123456

Threaded and Sweat

Housing

Ultracirc Housing

4 3/16”

2 3/4”

1/2”

2 1/2”

4 1/4”

5 1/2”

5 1/2”

2 3/4”