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Grundfos STC Series - User Manual

Grundfos STC Series
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Shower pumps
GRUNDFOS INSTRUCTIONS
Installation and operating instructions
Grundfos.bk Page 1 Thursday, April 22, 2010 10:28 AM
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Grundfos STC Series Specifications

General IconGeneral
SeriesSTC
Motor ProtectionIP68
MaterialStainless Steel
Liquid TemperatureUp to 40°C
Temperature Range0°C to +40°C
Frequency50 Hz
TypeSubmersible Turbine Pump
Power Range0.37 - 7.5 kW
Voltage220-240 V / 380-415 V

Summary

Declaration of Conformity

Manual Symbols and General Information

Safety Symbols Explained

Details the meaning of warning, caution, and note symbols for safe operation and understanding.

Pump Model Identification Key

Explains the coding system used for different Grundfos shower pump types and their characteristics.

Shower Pump Installation Guide

Essential Installation Prerequisites

Key guidelines and warnings to follow before commencing pump installation.

Optimal Pump Placement Strategies

Guidance on selecting the best location, orientation, and handling negative head scenarios.

Water Supply and Connection Procedures

Instructions for connecting to hot-water cylinder, cold-water supply, and the pump itself.

Recommended Installation Best Practices

Detailed diagram and advice for optimal pump and pipework installation procedures.

Negative-Head Pump Specifics

Features and Dry-Running Protection

Overview of negative-head pump features, including dry-running protection and its importance.

Connection, Installation, and Control

Covers connection, installation, pressure/flow control, operation, and maintenance for negative-head pumps.

Electrical Connection Procedures

Standard 230 V;50 Hz Pump Wiring

Detailed instructions for wiring standard 230 V, 50 Hz pump models correctly.

Low-Voltage Pump Wiring with Transformer

Instructions for connecting low-voltage pumps using the provided transformer safely.

Pre-Operation Checks and Startup

General Pump Troubleshooting

Troubleshooting Negative-Head Pumps

Technical Pump Specifications

Pump Service and Maintenance

Product Environmental Disposal

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