Grundfos CRE - Digital Input Configuration

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98566352 11.2022

ECM: 1353331

www.grundfos.com

Trademarks displayed in this material, including but not limited to Grundfos and the Grundfos logo, are registered trademarks owned by The Grundfos Group. © 2022 Grundfos Holding A/S, all rights reserved.

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Table of Contents4
Limited Warranty4
General Information5
Hazard Statements5
Notes5
Product Introduction5
Pumps Without Factory-Fitted Sensor5
Pumps with Pressure Sensor5
Settings5
Identification6
Installing the Product6
Mechanical Installation6
Outdoor Installation6
Electrical Connection6
Three-Phase Pumps, 20-30 Hp7
E-Pump Electrical Connections9
Bus Connection Cable11
Modes11
Control Functions12
Displays in General12
Menu OPERATION12
Menu STATUS14
Menu INSTALLATION15
Typical Display Settings for Constant-Pressure E-Pumps22
Typical Display Settings for Analog-Input E-Pumps23
Digital Input24
External Setpoint Signal24
Bus Signal25
Other Bus Standards25
Indicator Lights and Signal Relay26
Setting the Product28
Factory Settings28
Setting by Means of Control Panel28
Setting of Operating Mode28
Setpoint Setting28
Setting by Means of R10029
Grundfos GO31
Setting by Means of PC Tool E-Products32
Priority of Settings32
External Forced-Control Signals32
Taking the Product out of Operation33
Emergency Operation (Only 20-30 Hp)33
Insulation Resistance34
Servicing the Product34
Cleaning of the Motor34
Relubrication of Motor Bearings34
Replacement of Motor Bearings34
Replacement of Varistor (Only 20-30 Hp)34
Service Parts and Service Kits34
Technical Data35
Three-Phase Pumps, 20-30 Hp35
Other Technical Data36
Disposing of the Product36
Document Quality Feedback36

Grundfos CRE - Digital Input Configuration

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