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Mechanical Installation
107
Pre-installation
113
Planning the Installation Site
113
Receiving the Frequency Converter
113
Transportation and Unpacking
113
Lifting
114
Cooling and Airflow
117
Electrical Installation
121
Connections - Frame sizes D, E and F
134
Power Connections
134
Disconnectors, Circuit Breakers and Contactors
145
Final Set-Up and Test
146
Safe Stop Installation
148
Safe Stop Commissioning Test
149
Additional Connections
149
Installation of misc. connections
152
Safety
154
EMC-correct Installation
155
Residual Current Device
158
6 Application Examples
159
Potentiometer Reference
160
Automatic Motor Adaptation (AMA)
160
SLC Application Example
161
System Status and Operation
164
Cascade Controller Wiring Diagram
164
Fixed Variable Speed Pump Wiring Diagram
165
Lead Pump Alternation Wiring Diagram
166
7 RS-485 Installation and Set-up
169
RS-485 Installation and Set-up
169
FC Protocol Overview
171
Network Configuration
172
FC Protocol Message Framing Structure
172
Examples
177
Modbus RTU Overview
178
VLT AQUA with Modbus RTU
178
Modbus RTU Message Framing Structure
178
How to Access Parameters
183
Examples
184
Danfoss FC Control Profile
189
Contents
VLT
®
AQUA Drive Design Guide
2
MG.20.N5.02 - VLT
®
is a registered Danfoss trademark