Grundfos UPM3 - Page 24

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92626940 08.2021

ECM: 1318535

Trademarks displayed in this material, including but not limited to Grundfos, the Grundfos logo and “be think innovate” are registered trademarks owned by The Grundfos Group. All rights reserved. © 2021 Grundfos Holding A/S, all rights reserved.

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Table of Contents4
General Information4
Hazard Statements4
Notes4
Product Introduction5
Product Description5
Pumped Liquids5
Identification5
Receiving the Product6
Transporting the Product6
Inspecting the Product6
Mechanical Installation7
Control Box Positions8
Preventing the Pump from Blocking8
Insulation8
Electrical Connection9
Wiring Diagram9
Supply Voltage9
Earth Leakage Circuit Breaker (ELCB)9
Control Box Connections9
Startup11
Before Startup11
Starting up the Product11
Operating Panel and Settings12
Upm312
UPM3 HYBRID Variants12
Control Modes12
Overview of Operating Panel Control Modes12
Control Mode Explanation13
Proportional Pressure13
Constant Pressure14
Constant Curve14
PWM a Profile (Heating)14
PWM C Profile (Solar)14
Selection of Control Mode15
External Control Mode and Signals15
Control Principles15
Control Signals16
Service18
Maintaining the Product18
Cleaning18
Storing the Product18
Fault Finding19
Noise in the Pump19
Noise in the System19
Pump Is Not Running, no Power Supply19
Pump Is Not Running, Normal Power Supply19
Insufficient Flow19
Pump Runs at Maximum Speed and Cannot be Controlled19
Fault Indication on the Operating Panel19
Technical Data20
Operating Conditions20
Disposing of the Product20

Grundfos UPM3 - Page 24

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