Danfoss MCO 101 Manual

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