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Grundfos SP 125 - User Manual

Grundfos SP 125
28 pages
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SP
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
Other languages
http://net.grundfos.com/qr/i/98074911

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Grundfos SP 125 Specifications

General IconGeneral
BrandGrundfos
ModelSP 125
CategoryWater Pump
LanguageEnglish

Summary

General information

Hazard statements

Statements indicating potential hazards during operation or installation of the product.

Installation requirements

Liquid temperatures and motor cooling

Electrical connection

Motor protection

Essential motor protection measures and settings for safe operation.

Single-phase motors

Specific connection and protection requirements for single-phase motors.

Three-phase motors

Specific connection and protection requirements for three-phase motors.

Lightning protection

Cable sizing

Connection of single-phase motors

Connection of three-phase motors

Frequency converter operation

Setting up the CUE frequency converter in an SPE system

Mechanical installation

Fitting of the submersible drop cable and motor cable

Procedure for connecting the submersible drop cable to the motor.

Placing in borehole

Lowering the pump

Installation depth

Startup and operation

Startup

Steps for safely starting the pump after installation.

Operation

Guidelines for optimal pump operation, including flow rates and start frequency.

Service

Fault finding

SPE pump faults

Troubleshooting common faults for SPE pump sets, including electrical and magnetic issues.

General troubleshooting table

Table listing common pump faults, their causes, and recommended remedies.

Checking motor and cable

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