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Grundfos ALPHA1 Series User Manual

Grundfos ALPHA1 Series
48 pages
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GRUNDFOS INSTRUCTIONS
ALPHA1
Variable-speed circulators
Installation and operating instructions
3191277
Listed
Conforms to ANSI/UL Std. 778
Certified to CAN/CSA Std. C22.2 No. 108

Table of Contents

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Grundfos ALPHA1 Series Specifications

General IconGeneral
SeriesALPHA1
Voltage230 V
Temperature Range2°C to 110°C
Max Operating Pressure10 bar
Enclosure ClassIP42
Insulation ClassF
TypeCirculation Pump
Frequency50 Hz
EEI (Energy Efficiency Index)0.20
MaterialCast iron
Connection Size1"

Summary

Limited Warranty

Installing the Product

Mechanical Installation

Details on connecting the pump to the piping system.

Changing the Power Head Position

Instructions for rotating the pump's motor and control unit.

Electrical Connection

Guidance on wiring the pump for power.

Starting Up the Product

Venting the Pump

Procedure for removing air from the pump and system.

First Startup

Steps for initial operation after installation.

Product Introduction

Control Functions

Pump Setting Adjustment

Instructions on how to adjust pump settings.

Pump Control Modes

Describes the pump's operating modes and control logic.

Technical Data

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