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Grundfos CRNE User Manual

Grundfos CRNE
104 pages
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CRE, CRIE, CRNE, SPKE, MTRE, BMS
E-pumps with MGE Model J, K motor
Installation and operating instructions
CRE, CRIE, CRNE, SPKE, MTRE,
BMS
Installation and operating instructions
Other languages
http://net.grundfos.com/qr/i/92898118
GRUNDFOS INSTRUCTIONS

Table of Contents

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Grundfos CRNE Specifications

General IconGeneral
BrandGrundfos
ModelCRNE
CategoryWater Pump
LanguageEnglish

Summary

General Information

Hazard Statements

Symbols and hazard statements for safety warnings.

Product Introduction

Identification Methods

Methods to identify the pump, motor, functional module, and operating panel.

Installation Requirements

Outdoor and Humid Environment Installation

Precautions for installing outdoors or in humid environments.

Mechanical Installation

Mounting and Positioning the Product

Securely fastening the pump and positioning the drive unit correctly.

Electrical Connection

Protection Against Electric Shock

Requirements for protective earth and indirect contact protection.

Additional Protection Measures

Residual-current breakers, over/undervoltage protection, overload, and phase unbalance protection.

Communication Interface Module Installation

Steps for installing a communication interface module.

Starting Up the Product

Startup Safety Warnings

Important safety warnings before starting up the product.

Control Functions

Grundfos GO Application

Using Grundfos GO for wireless communication and product control.

Grundfos GO Link

Using Grundfos GO Link for wired or wireless communication.

Setting the Product

Control Mode Selection

Selection of various control modes for pump operation.

FLOWLIMIT Function

Enabling and setting the FLOWLIMIT function.

Controller Settings

Recommended controller settings (Kp, Ti) for various control modes.

Operating Range and Setpoint Influence

Setting operating range and influencing setpoint with external signals.

Limit-Exceeded Function

Monitoring parameters and setting actions when limits are reached.

LiqTec and Low-Flow Stop Functions

Using LiqTec sensors and configuring low-flow stop function modes.

Stop at Minimum Speed

Stopping the pump at minimum speed when consumption is low.

Alarm Handling and Motor Bearing Monitoring

Determining pump reaction to alarms and selecting motor bearing monitoring.

Service Intervals and Communication Setup

Managing service intervals and configuring wired/wireless communication.

Modbus RTU and Ethernet Setup

Configuring Modbus RTU settings and Ethernet parameters.

Multipump Function Configuration

Controlling two or more motors in parallel for system operation.

Servicing the Product

General Servicing Safety Warnings

Safety warnings for electric shock, crushing hands, falling objects, and hot surfaces.

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