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Grundfos ALPHA 15-55 HWR-T - User Manual

Grundfos ALPHA 15-55 HWR-T
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ALPHA 15-55 HWR-T
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
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Grundfos ALPHA 15-55 HWR-T Specifications

General IconGeneral
ModelALPHA 15-55 HWR-T
CategoryWater Pump
TypeCirculator Pump
Max. Operating Pressure145 psi
Frequency60 Hz
EEI0.20
Max Head (metric)5.5 m
Protection ClassIP42
MaterialCast Iron
ApplicationRecirculation
Port-to-Port Length6.5 inches
Max Flow Rate (metric)1.5 m³/h
Power SupplySingle-phase
Temperature Range36°F to 230°F
Liquid Temperature Range2°C to 110°C

Summary

Limited Warranty

General Information

Hazard Statements and Notes

Explains symbols and notes for installation, safety, and service instructions.

Product Receiving

Inspection and Scope of Delivery

Check product against order and nameplate, verify contents of the box.

Installation

Location, Tools, and Insulation

Indoor installation requirements, necessary tools, and pump housing insulation.

Mechanical Installation

Steps for physical installation, pipe connections, and safety warnings.

Starting Up the Product

Venting the System

Procedure to remove air from the system, with hot water warnings.

Starting the Pump

Connecting power, initial pump operation, and indicator lights.

Pump Installation Details

Changing Power Head Position

Instructions for rotating the pump head, including safety precautions.

Installing the Temperature Sensor

Steps for mounting and connecting the temperature sensor, including pairing.

Electrical Connection

Connecting the Line Cord

How to connect the power cord to the pump and indicators.

Removing the Line Cord

Procedure for safely disconnecting the power cord from the pump.

Product Introduction

Product Description and Intended Use

Overview of the ALPHA HWR-T system and its application in hot water recirculation.

Accessories

Information about included or optional accessories like the temperature sensor.

Product Identification and Approvals

Pumped Liquids and Nameplate Details

Guidelines for pumped liquids and details from the product nameplate.

Product Approvals

Lists various certifications and compliance marks for the product.

Control Functions

Pump Display and LEDs

Explanation of the pump's display, buttons, and LED indicators.

Temperature Sensor and Performance

Temperature Sensor Display

Details the LED status on the temperature sensor for pairing and operation.

Performance Curve

Graphical representation of the pump's performance characteristics.

Servicing the Product

Product Maintenance and Battery Replacement

Information on pump maintenance and how to replace the temperature sensor battery.

Fault Finding

Fault Finding Table

Troubleshooting guide for common pump issues and their solutions.

Technical Data

Operating Conditions

Specifications for supply voltage, temperature, pressure, and other operating parameters.

Disposing of the Product

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