EasyManua.ls Logo

Grundfos ALPHA2 Series User Manual

Grundfos ALPHA2 Series
40 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
ALPHA2/ALPHA3
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Grundfos ALPHA2 Series and is the answer not in the manual?

Grundfos ALPHA2 Series Specifications

General IconGeneral
Protection ClassIP42
Energy Efficiency Index (EEI)≤ 0.20
Maximum Operating Pressure10 bar
Enclosure ClassIP42
Insulation ClassF
Pump HousingCast Iron
Frequency50/60 Hz
Connection TypeThreaded
MaterialCast Iron, Composite
Max Flow Rate3.6 m³/h
TypeCirculator pump
ApprovalsCE, EAC
ImpellerComposite
Power Supply230 V
Control ModesProportional pressure, Constant pressure
Weight2.5 kg
Liquid Temperature Range2°C to 110°C
Pipe ConnectionG 1 1/2

Summary

Receiving the Product

Installing the Product

Mechanical Installation

Steps and considerations for the physical installation of the pump unit.

Control Box Positions

Instructions on orienting the control box for different system types and configurations.

Control Box Positioning for AC/CW Systems

Instructions on orienting the control box for different system types and configurations.

Electrical Installation

Assembling the Plug

Procedures and safety precautions for connecting the pump to the power supply.

ALPHA SOLAR Electrical Connections

Procedures and safety precautions for connecting the pump to the power supply.

Starting Up the Product

Control Functions

Control Panel Elements

Explanation of the pump's operational modes, settings, and control features.

Control Modes

Explanation of the pump's operational modes, settings, and control features.

Pump Setting for Two-Pipe Systems

Explanation of the pump's operational modes, settings, and control features.

Pump Setting for One-Pipe Systems

Explanation of the pump's operational modes, settings, and control features.

Pump Setting for Underfloor Heating

Explanation of the pump's operational modes, settings, and control features.

Pump Setting for Domestic Hot Water

Explanation of the pump's operational modes, settings, and control features.

Pump Performance

Explanation of the pump's operational modes, settings, and control features.

Bypass Valve Operation

Explanation of the pump's operational modes, settings, and control features.

Operating the Product

Automatic Night Setback

Guidance on using advanced features like night setback, summer mode, and reader functionality.

Function of Automatic Night Setback

Guidance on using advanced features like night setback, summer mode, and reader functionality.

ALPHA Reader Functionality

Guidance on using advanced features like night setback, summer mode, and reader functionality.

Fault Finding

General Fault Troubleshooting

Troubleshooting guide for identifying and resolving common pump issues and errors.

Technical Data and Installation Dimensions

Technical Data

Comprehensive specifications and physical measurements for pump selection and installation.

Performance Curves

ALPHA SOLAR

Fault Finding for ALPHA SOLAR

Specific information for the ALPHA SOLAR pump, including its unique features and operation.

External PWM Control and Signals

Specific information for the ALPHA SOLAR pump, including its unique features and operation.

Technical Data

Related product manuals