Grundfos SEG - Page 45

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96076046 08.2024

ECM: 1402734

www.grundfos.com

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Table of Contents4
General Information4
Hazard Statements5
Notes5
Product Introduction5
Product Description5
Pumped Liquids and Intended Use6
Identification6
Code Description7
Approvals8
Potentially Explosive Environments9
Receiving the Product10
Transporting the Product10
Handling and Lifting the Product10
Installing the Product10
Mechanical Installation11
Hot Surface11
Related Information12
Installation Types12
Free-Standing, Submerged Installation13
Electrical Connection13
Wiring Diagrams14
Pump Controllers15
LC Level Controllers15
Thermal Switches15
Moisture Switch16
CU 100 Control Unit16
Frequency Converter Operation16
Startup17
General Startup Procedure17
Operating Modes18
Start and Stop Levels19
Direction of Rotation19
Resetting the Pump20
Maintenance and Service20
Contaminated Pumps21
Maintenance21
Oil Check and Change22
Adjusting the Impeller Clearance23
Replacing the Grinder System23
Cleaning the Pump Housing23
Checking or Replacing the Shaft Seal24
Service Kits25
Storage26
Fault Finding the Product27
The Pump Does Not Start. the Fuses Blow or the Motor-Protective Circuit Breaker Trips out Immediately. Caution: Do Not Start Again27
The Pump Starts, but the Motor-Protective Circuit Breaker Trips after a Short Time27
The Thermal Switch Trips after the Pump Is Running for some Time27
The Pump Operates at Below-Standard Performance and the Power Consumption Is Increased28
The Pump Operates but Delivers no Liquid28
The Pump Is Blocked28
Technical Data29
Liquid Temperature29
Ambient Temperature29
Density of the Pumped Liquid29
Sound Pressure Level29
Electrical Data29
Winding Resistances29
Pump Performance Curves30
Dimensions and Weights30
Disposing of the Product30
Document Quality Feedback30
Freestanding Installation33

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