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Grundfos SP 5A - User Manual

Grundfos SP 5A
28 pages
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SP
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
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http://net.grundfos.com/qr/i/98074911

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Grundfos SP 5A Specifications

General IconGeneral
TypeSubmersible pump
ModelSP 5A
CategoryWater Pump
Voltage230 V
Frequency50 Hz
MaterialStainless steel
Weight10 kg
Maximum operating pressure10 bar
Liquid temperature range0 to 35 °C

Summary

General information

Hazard statements

Key safety warnings and symbols used in the manual for safe operation.

Handling and storing the product

Installation requirements

Checking the motor liquid

Procedure for checking and refilling the factory-filled motor liquid for various motor types.

Liquid temperatures and motor cooling

Maximum liquid temperatures and minimum flow velocities required for motor cooling.

Electrical connection

Motor protection

Details on essential motor protection devices and requirements for single and three-phase motors.

Required settings of motor-protective circuit breaker

Guidelines for setting motor-protective circuit breakers for optimal protection and trip class.

Lightning protection

Information on installing overvoltage protection devices to protect against lightning-induced surges.

Cable sizing

Methods and tools for selecting the correct submersible drop cable cross-section based on voltage drop.

Connection of single-phase motors

Wiring instructions for 2-wire, PSC, and 3-wire single-phase motors to the mains supply.

Connection of three-phase motors

Wiring diagrams and procedures for connecting three-phase motors for direct-on-line and star-delta starting.

Setting up the CUE frequency converter in an SPE system

Mechanical installation

Fitting of the submersible drop cable and motor cable

Steps for connecting the submersible drop cable to the motor, including torque specifications.

Startup and operation

Startup

Procedure for initial pump startup, including valve positioning and checks.

Service

Fault finding

Fault Diagnosis and Remedies

A comprehensive guide to identifying and resolving common pump faults and their causes.

Checking motor and cable

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