Contents
1 Introduction
3
1.1 Purpose of these Operating Instructions
3
1.1.1 Software Version
3
2 Application Types
5
2.1 Overview
5
2.2 Supported Configurations
5
2.2.1 Extension of Basic Cascade - Parameter Group 25** Control Mode
5
2.2.2 Master-Follower Configuration
7
2.2.3 Mixed Pump Configuration
8
2.2.3.1 Unequal Size Pump Configuration
8
2.2.3.2 Mixed Pump Configuration with Alternation
9
2.2.4 Using Soft Starters for Fixed Speed Pumps
10
2.3 Sleep Mode
10
2.3.1 Basic Cascade Controller
11
2.3.2 Master/Follower and Mixed Pump Configurations
11
3 Installation
12
3.1 Mechanical and Electrical Installation
12
3.1.1 Before Start
12
3.1.2 Extended Cascade Controller
MCO 101
12
3.1.3 Advanced Cascade Controller
MCO 102
14
4 Configuring the System
16
4.1 Configuring the Extended and Advanced Cascade Controller
16
4.1.1 Setting-up the Cascade Parameters
16
4.1.2 Configuration of Multiple Frequency Converters
16
4.1.3 Closed Loop Control
17
4.1.4 Staging/De-staging of Variable Speed Pumps
17
4.1.5 Staging/De-staging of Fixed Speed Pumps
17
4.2 Operation
18
4.2.1 Pump Status and Control
18
4.2.2 Manual Pump Control
18
4.2.3 Runtime Balancing
19
4.2.4 Pump Spin for Unused Pumps
19
4.2.5 Total Lifetime Hours
19
4.2.6 Alternation of the Lead Pump
19
4.2.7 Staging/De-staging in Mixed Pump Configurations
20
4.2.8 Override Staging/De-staging
20
Contents
VLT
®
AQUA Drive MCO 101/MCO 102
MI38C402 - VLT
®
is a registered Danfoss trademark
1
