EasyManua.ls Logo

Grundfos CRE User Manual

Grundfos CRE
70 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
CRE, CRIE, CRNE, CRKE, SPKE, MTRE,
CME
North America
Grundfos E-pumps with MLE frequency-controlled permanent-
magnet motors
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

Table of Contents

Other manuals for Grundfos CRE

Question and Answer IconNeed help?

Do you have a question about the Grundfos CRE and is the answer not in the manual?

Grundfos CRE Specifications

General IconGeneral
Protection ClassIP55
MaterialStainless Steel
ApplicationsWater supply, pressure boosting, irrigation
Impeller MaterialStainless Steel
Pump Housing MaterialStainless Steel
Connection SizeDN32 to DN200 (depending on model)
Power Supply3-phase
ControlIntegrated frequency converter

Summary

Limited Warranty Information

General Information and Safety

Hazard Statements

Explains symbols for DANGER, WARNING, CAUTION, and SIGNAL WORD.

Notes and Symbols

Explains symbols for FM, exclamation marks, and tips.

Abbreviations and Definitions

Lists common abbreviations and their definitions.

Product Introduction and Identification

Product Description

Describes the E-pumps, their features, and control modes.

Identification of Product Components

Explains nameplate, functional module, and operating panel identification.

Bus Signal Communication

Explains serial communication via RS-485 for GENIbus protocol.

Grundfos Eye Status Indicator

Explains the operating status indicated by the Grundfos Eye.

Signal Relay Outputs

Details the two potential-free signal outputs and their functions.

Receiving and Inspecting the Product

Transporting the Product

Provides safety warnings and guidelines for transporting the pump.

Inspecting the Product

Instructions for checking the product upon receipt.

Mechanical Installation Procedures

Handling the Product

Guidelines for manual lifting and handling, including safety precautions.

Mounting the Pump

Instructions for securely mounting the product to a foundation.

Cable Entry and Gland Specifications

Refers to technical data for cable entry and gland sizes.

Ensuring Motor Cooling

Details requirements for adequate motor cooling and air circulation.

Outdoor Installation Guidelines

Provides guidelines for outdoor installation, including covers and heating.

Drain Hole Usage

Explains the purpose and use of drain holes for condensation.

Operating Panel Position Adjustment

Step-by-step guide to rotating the operating panel by 180 degrees.

Electrical Installation and Connections

Protection Against Electric Shock

Covers grounding, protective conductors, and voltage transient protection.

Cable Requirements for Power Supply

Specifies conductor types, materials, and cross-sections.

Power Supply Details

Details single-phase and three-phase power supply requirements and connections.

Additional Electrical Protection

Discusses overvoltage, undervoltage, overload, and phase unbalance protection.

Connection Terminals Overview

Provides an overview of pump connections, inputs, outputs, and terminals.

Signal Cable Installation

Guidelines for using screened cables for signal connections.

Bus Connection Cable Installation

Instructions for connecting bus cables, including new installations.

Communication Interface Module Installation

Step-by-step guide for installing a CIM module.

User Interfaces and Controls

Hot Surface Warning

Warns about hot surfaces on the product during operation.

Standard Operating Panel

Describes the standard operating panel, its symbols, and buttons.

Advanced Operating Panel

Describes the optional advanced operating panel and its features.

Setpoint Setting on Standard Panel

Explains how to set the setpoint for constant pressure and curve modes.

Pump Start-Stop and Fault Reset

Details pump start/stop and fault reset procedures.

Grundfos GO Remote Control

Introduces Grundfos GO Remote for wireless communication and pump control.

R100 Remote Control

Introduces the R100 remote control for pump settings and status display.

Detailed Function Descriptions

"Setpoint" Configuration

Explains how to set the desired setpoint for pump control modes.

"Operating Mode" Selection

Describes available operating modes like Normal, Stop, Manual, Min, Max.

"Control Mode" Options

Lists and describes various control modes like Constant Pressure, Flow, etc.

Constant Pressure Control

Details the constant pressure control mode and its requirements.

Constant Flow Rate Control

Details the control mode for maintaining a constant flow rate.

Analog Input Configuration

Details available analog inputs, their functions, and measured parameters.

Pt100/1000 Input Configuration

Details Pt100/1000 inputs, their functions, and measured parameters.

Digital Input Configuration

Explains digital input functions, activation delay, and duration timer modes.

Digital Input/Output Configuration

Details configurable digital inputs/outputs and their functions.

Signal Relay Outputs

Describes the two signal relays for potential-free signaling and their functions.

Analog Output Configuration

Explains the analog output for reading operating data to external systems.

Controller Settings (PI Control)

Details controller settings like gain (Kp) and integral time (Ti).

External Setpoint Functionality

Describes influencing the setpoint via external signals.

Limit-Exceeded Functionality

Details setting limits for parameters and defining actions upon exceeding them.

Low-Flow Stop Function

Describes the low-flow stop function to prevent damage and optimize operation.

Pipe Filling Function

Describes the function for smooth startup of systems with empty pipes.

Ramps for Speed Changes

Details setting acceleration and deceleration times for pump speed changes.

Motor Bearing Monitoring

Describes monitoring motor bearing condition for replacement/relubrication.

Service Interval Information

Provides information on service intervals and bearing replacements.

Settings Management (Store/Recall)

Stores current settings for later use on the same or other pumps.

Assisted Pump Setup Guide

Guides the user through setting up the pump, including control mode and sensors.

Multi-Pump System Setup

Enables control of multiple pumps in parallel for various operating modes.

Settings Description and Priorities

Priority of Settings

Explains the priority of different settings (buttons, digital input, bus) for pump operation.

Factory Default Settings

Lists factory default settings for various pump functions and parameters.

Product Servicing and Maintenance

Motor Servicing Information

Directs users to download motor service instructions.

Pump Service Documentation

Provides information on obtaining pump service documentation.

Product Cleaning Procedures

Details procedures for safely cleaning the pump, including safety warnings.

Technical Specifications and Data

Operating Conditions

Specifies maximum start/stop rates and ambient temperature limits.

Humidity and Motor Cooling

States humidity limits, actions for high humidity, and motor cooling guidelines.

Inputs and Outputs Specifications

Details electrical limits, relay specifications, and input/output types.

Other Technical Data

Covers EMC standards, cable entries, torques, enclosure class, and standby power.

Sound Pressure Level Data

Provides sound pressure level data for different motor sizes and speeds.

Product Disposal Instructions

Document Feedback Mechanism

Appendix A: Regional Installation and Electrical Data

USA and Canada Installation

Provides specific installation information for USA and Canada, including cURus approval.

Electrical Codes (USA/Canada)

Lists relevant electrical codes for USA and Canada.

Radio Communication Compliance

Details FCC and IC compliance for radio communication.

Identification Numbers (FCC/IC)

Lists FCC and IC identification numbers for the radio module.

Electrical Connection Details

Covers conductors, torques, line reactors, short-circuit, and branch-circuit protection.

Related product manuals