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Grundfos CRE Series User Manual

Grundfos CRE Series
99 pages
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CRE, CRIE, CRNE, SPKE, MTRE, BMS
E-pumps with MGE Model 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 CRE Series Specifications

General IconGeneral
Motor TypeAsynchronous
Enclosure ClassIP55
Insulation ClassF
SeriesCRE
Protection ClassIP55
MaterialStainless Steel
ApplicationsWater Supply, Pressure Boosting, Irrigation
Pumped liquidClean liquids
ApprovalsCE
Voltage380-415V
Connection SizeDN 32 to DN 100
EfficiencyIE3 Premium Efficiency
Power Supply3-phase
Liquid Temperature Range-10°C to +120°C
Temperature Range-10°C to +120°C

Summary

General Information

Hazard Statements

Identifies potential hazards and safety warnings.

Mechanical Installation

Mounting the Product

Instructions for securely mounting the pump unit.

Electrical Connection

Protection Against Electric Shock, Indirect Contact

Critical safety measures for electrical protection.

Protection Against Power Supply Voltage Transients

Measures to protect against voltage surges.

Additional Protection

Details on supplementary protective measures.

Control Functions

Setting the Product

Setpoint

Procedure for setting the desired setpoint value.

Operating Mode

Selection and explanation of different operating modes.

Control Mode

Selection and configuration of various control modes.

Analog Inputs

Configuration and wiring of analog input terminals.

Digital Inputs

Configuration and wiring of digital input terminals.

Controller (Controller Settings)

Recommended controller settings for optimal performance.

Limit-Exceeded Function

Function to monitor parameters and trigger actions when limits are exceeded.

Stop Function (Low-flow Stop Function)

Configuration of the low-flow stop function.

Alarm Handling

Defines how the pump reacts to sensor failures.

Communication

Settings for wired and wireless communication.

Assisted Pump Setup

Guided setup for motor, sensors, and setpoint configuration.

Multipump Function

Setup and configuration for multi-pump systems.

Factory Settings for Grundfos GO

Default settings provided by Grundfos GO.

Servicing the Product

Maintenance

Procedures for routine maintenance of the product.

Technical Data

Technical Data, Three-phase Motors

Detailed electrical specifications for three-phase motors.

Inputs and Outputs

Electrical limits and specifications for all inputs and outputs.

Torques

Recommended torque values for terminals and parts.

Appendix B

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