Grundfos CRE Series

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92898117 07.2023

ECM: 1362630

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. © 2023 Grundfos Holding A/S, all rights reserved.

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Table of Contents4
Limited Warranty5
General Information5
Related Instructions5
Hazard Statements5
Notes5
Abbreviations and Definitions6
Product Introduction6
Product Description6
Intended Use of the Product6
Radio Communication6
Identification7
Radio Module7
Bluetooth7
Battery8
Safe Torque off (STO) Function8
Receiving the Product8
Transporting the Product8
Inspecting the Product8
Lifting the Product8
Installation Requirements9
Installing the Product in Areas with High Humidity9
Location9
Minimum Space9
Mechanical Installation10
Mounting the Product10
Electrical Connection12
Connecting an External Switch12
Power Supply12
Electrical Supply Systems12
Protection against Electric Shock, Indirect Contact12
Cover for the Power Cables13
Protection against Power Supply Voltage Transients13
Motor Protection13
Cable Requirements13
Additional Protection15
Functional Modules15
Signal Relays18
Signal Cables20
Bus Connection Cable20
Installing a Communication Interface Module21
Starting up the Product22
Control Functions23
User Interfaces23
Operating Panels, HMI 200 and 20123
Operating Panels, HMI 300 and 30125
Grundfos GO30
Grundfos GO Link33
Grundfos Eye34
Setting the Product36
Setpoint36
Operating Mode36
Set Manual Speed36
Set User-Defined Speed36
Control Mode36
Setting the Proportional Pressure39
Flowlimit39
Automatic Night Setback39
Analog Inputs40
Pt100/1000 Inputs41
Digital Inputs42
Digital Inputs/Outputs43
Signal Relay (Relay Outputs)44
Analog Output44
Controller (Controller Settings)45
Operating Range46
External Setpoint Function46
Predefined Setpoints47
Temperature Influence48
Limit-Exceeded Function48
Liqtec (Liqtec Function)49
Stop Function (Low-Flow Stop Function)49
Stop at Min. Speed50
Pipe Filling Function51
Pulse Flowmeter (Pulse Flowmeter Setup)51
Ramps51
Direction of Rotation52
Skip Band52
Standstill Heating52
Alarm Handling52
Motor Bearing Monitoring52
Service Intervals52
Communication52
Language54
Date and Time (Set Date and Time)54
Unit Configuration (Units)54
Buttons on Product (Enable/Disable Settings)54
Delete History54
Define Home Display54
Display Settings54
Store Settings (Store Actual Settings)54
Recall Settings (Recall Stored Settings)54
Undo54
Run Start-Up Guide55
Alarm Log55
Warning Log55
Assist55
Assisted Pump Setup55
Setup, Analog Inputs55
Setting of Date and Time55
Multipump Function56
Description of Control Mode58
Assisted Fault Advice58
Priority of Settings59
Factory Settings for Grundfos GO60
Servicing the Product61
Maintenance62
Taking the Product out of Operation62
Fault Finding63
Technical Data63
Operating Conditions63
Technical Data, Three-Phase Motors63
Inputs and Outputs64
Other Technical Data65
Accessories67
Applicable Standards68
Disposing of the Product68

Grundfos CRE Series - Page 74

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