537609 1 Grundfos Alpha Series Brochure User Manual

User Manual: Pump 537609 1 Grundfos Alpha Series Brochure

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grundfos alpha

it’s time to

DEMAND

MORE

Simple to install,
Simple to operate.
Simply the best.
The Grundfos ALPHA will change the way you
view circulators. With its permanent magnet
motor design, this energy efficient circulator
reduces power consumption by 50% or more.
The unique patented AUTOADAPT™ feature controls
pump performance automatically within defined
performance range, ensuring lowest possible
energy consumption without sacrificing comfort.
For installation, you also have the flexibility to
use either our unique ALPHA Plug with line cord
or the ALPHA with terminal box for conduit
connection applications. The choice is yours.

The Unique Features of
the Grundfos ALPHA™

Performance Curve:

Technical Data:

ALPHA Performance Curves

Flow Range:

0 to 21 GPM

Head Range:

0 to 19 Feet

Motor:

Terminal box for
conduit connection
applications

Large display shows
current energy
consumption in Watts

Large display shows
estimated flow in
gallons per minute

A one button, easyto-use interface

Min. Fluid Temperature:

36°F (2°C)

Max. Fluid Temperature:

230°F (110°C)

Max. Working Pressure:

150 PSI

Watts:

5-45W

Stainless steel and
cast iron pump
housing available

Integrated check-valve
(optional)

AUTOADAPT

0

2

4

6

8

10

12

14

16

18

20

22

Q [US GPM]

Product Offering:
Description

Part Number

ALPHA 15-55F

Cast iron flange with terminal box

59896877

ALPHA 15-55FR

Cast iron rotated flange with terminal box

59896878

ALPHA 15-55SF

Stainless flange with terminal box

59896879

Cast iron flange with line cord

59896832

ALPHA 15-55FR/LC

Cast iron rotated flange with line cord

59896833

ALPHA 15-55SF/LC

Stainless flange with line cord

59896834

Service Kit - Line cord

91130247

Service Kit - Terminal box

91130312

ALPHA 15-55F/LC
Compact design

3 Constant Pressures

0.65A

Model

Nut capture

18
16
14
12
10
8
6
4
2
0

1X115V

Amps:
Unique ALPHA Plug
with line cord

3 Fixed Speeds
H [ft] 20

Dimensional Drawing:
Terminal
Box

QR code
Scan with your smart
device to learn more
about ALPHA.

A
6-1/2

B

C

D

E

6-3/16 4-15/16 3-13/16 2-3/8

Line
Cord

F

G

H

I

J

K

3-7/16

4-1/8

5-3/8

6-11/16

5-1/4

6-1/2

At Grundfos, we believe in making the complicated seem simple and innovative
technology intuitive. Bringing more flexibility and ease of use to your workflow,
AUTOADAPT technology is revolutionary to the market. As the ideal choice for
more than 80% of systems, AUTOADAPT will continuously search for the lowest
possible head to meet system requirements and find the setting that provides
optimal comfort with minimal energy consumption.
You can also go online and explore our Modern Comfort site for all your
domestic buildings needs. Visit:

moderncomfort.grundfos.us

L-AL-SL-001 Rev. 04-13

GRUNDFOS Kansas City
17100 West 118th Terrace
Olathe, Kansas 66061
Phone: (913) 227-3400
Fax: (913) 227-3500

GRUNDFOS Canada
2941 Brighton Road
Oakville, Ontario
L6H 6C9
Phone: (905) 829-9533
Fax: (905) 829-9512

GRUNDFOS Mexico
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
C.P. 66600 Apodaca, N.L. Mexico
Phone: 011-52-81-8144 4000
Fax: 011-52-81-8144 4010

www.grundfos.us

www.grundfos.ca

www.grundfos.mx

The name Grundfos, the Grundfos logo, and be think innovate are registered trademarks
owned by Grundfos Holding A/S or Grundfos A/S, Denmark. All rights reserved worldwide.
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