Grundfos STP 3.0 B User Manual

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

Grundfos STP 3.0 B Specifications

General

Brand	Grundfos
Model	STP 3.0 B
Category	Water Pump
Language	English

Summary

General Description of Shower Pumps

Installation Guide

Important Installation Instructions

Key installation precautions and requirements for safe operation.

Pump Positioning Guidelines

Guidelines for optimal pump placement and ventilation.

Negative Head System Installation

Specific considerations for pumps operating with negative head conditions.

Connecting the Pump to Pipework

Steps and precautions for connecting the pump to pipework.

Recommended Installation Practices

Best practices for overall pump system installation.

Electrical Connections

230V, 50Hz Pump Wiring

Wiring instructions for 230V, 50Hz pump connections.

Low-Voltage Pump Wiring

Wiring for low-voltage pumps via transformer.

Before Initial Pump Use

Negative-Head Pump Operation

General Description of Negative-Head Pumps

Dry-Running Protection

Explanation of the dry-running protection feature.

Connecting Negative-Head Pumps

General Fault Finding

Pump Fails to Start

Troubleshooting steps when the pump does not start.

Reduced Shower Flow

Pump Runs Continuously

Leaking Hose Connections

Negative-Head Pump Fault Finding

Negative-Head Pump Fails to Start

Troubleshooting pump start failure for negative-head models.

Reduced Flow in Negative-Head Pumps

Continuous Operation in Negative-Head Pumps

Leaking Hoses on Negative-Head Pumps

Technical Data Specifications