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Contents1 Safety and precautions 1-1Safety Instructions 1-1Avoid unintended Start. 1-12 Introduction 2-1General Description 2-23 Supported Configuration 3-1Introduction 3-1Fixed-speed Pump Configuration 3-3Master-Follower Configuration 3-4Mixed Pump Configuration 3-5Unequal Size Pump Configuration 3-6Mixed Pump Configuration with Alternation 3-7Soft Starters 3-94 Configuring the System 4-1Introduction 4-1Setting up the cascade parameters 4-1Additional Configuration for Multiple Drives 4-1Closed-loop Control 4-2Staging /De-staging of Variable Speed Pumps Based on Drive Speed 4-2Staging/De-staging of Fixed-speed Pumps Based on Pressure Feedback 4-35 Cascade Controller Features 5-1Pump Status and Control 5-1Manual Pump Control 5-1Runtime Balancing 5-2Pump Spin for unused pumps 5-2Total lifetime hours 5-3Alternation of the Lead Pump 5-3Staging / De-staging in Mixed Pump Configurations 5-3Override Staging /De-staging 5-4Minimum Speed De-staging 5-4Fixed speed only operation 5-46 How to Program 6-1Extended Cascade Controller Parameters 6-1Extended and Advanced Cascade ControllerOption ContentsMI.38.C2.22 - VLT® is a registered Danfoss trademark
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