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Grundfos ALPHA series User Manual

Grundfos ALPHA series
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GRUNDFOS INSTRUCTIONS
ALPHA
Variable speed circulators with Auto
ADAPT
Installation and operating instructions
3191277
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Grundfos ALPHA series Specifications

General IconGeneral
Maximum operating pressure10 bar
Pump housing materialCast iron
Ambient temperature0°C to 40°C
Flow rate3.5 m³/h
Head7 m
Energy Efficiency Index (EEI)≤ 0.20
ApprovalsCE
Control panel positionIntegrated
Max head7 m
Max flow3.5 m³/h
MaterialCast iron

Summary

Limited Warranty

Symbols Used in this Document

Product Introduction

3.1 Introduction

Overview of the Grundfos Alpha's suitability for optimizing pump duty point in variable flow systems.

3.2 Delivery and Handling

Instructions for inspecting pump components upon shipment and ensuring correct items are included.

3.3 Applications

Details the suitable uses for the Grundfos Alpha pump, excluding flammable liquids and pool/marine use.

Identification

4.1 Nameplate

Explanation of the information provided on the pump's nameplate, including product number and electrical ratings.

Installation

5.1 Quick Install Tips

Provides essential tips for efficient system air venting and balancing during pump installation.

5.2 Mechanical Installation

Guidance on piping connections, flushing, check valve insertion, and pump orientation for mechanical installation.

5.3 Changing the Power Head Position

Instructions for safely rotating the pump's power head to different permissible positions.

5.4 Electrical Installation

Details on safe electrical connections, including line cord and terminal box wiring, and compliance with codes.

Operation

6.1 Control Display

Overview of the pump's control panel, detailing LEDs, production code, and the push-button function.

6.2 Performance and Operation Mode Selection

Explanation of pump performance curves and selection of various operating modes like fixed speed and constant pressure.

Fault Finding

Technical Data

8.1 Approvals

Lists the safety and regulatory approvals granted to the Grundfos Alpha circulator, including FCC and Canadian standards.

Disposal

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