Table of Contents
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Contents
Preface ............................................................................................................................................................................. i
Safety warnings ............................................................................................................................................................ i
Disclaimer ..................................................................................................................................................................... ii
Amendment Register .................................................................................................................................................... iii
1.
Safety precautions ................................................................................................................................................ 5
2.
Connecting Mains Power ..................................................................................................................................... 6
3.
Overview ................................................................................................................................................................ 7
4.
Getting Started ...................................................................................................................................................... 8
4.1.
Unpacking ...................................................................................................................................................... 8
4.2.
Before switching ON ....................................................................................................................................... 8
5.
Installation ............................................................................................................................................................. 9
5.1.
Physical connection ........................................................................................................................................ 9
5.2.
Power supply .................................................................................................................................................. 9
5.3.
Modbus RS-485 connection ........................................................................................................................... 9
5.4.
Configuration ................................................................................................................................................ 10
5.5.
Initial Power ON ........................................................................................................................................... 12
5.6.
Status Indicators ........................................................................................................................................... 12
5.6.1.
Fault LED .............................................................................................................................................. 12
5.6.2.
Buzzer ................................................................................................................................................... 12
5.6.3.
Relay Status LEDs ................................................................................................................................ 12
5.6.4.
RS-485 Comms Status LED .................................................................................................................. 13
6.
Control Functionality .......................................................................................................................................... 14
6.1.
Automatic Mode ........................................................................................................................................... 14
6.1.1.
Backup & Rotate ................................................................................................................................... 14
6.1.2.
Example ................................................................................................................................................ 14
6.2.
Manual Mode................................................................................................................................................ 15
6.3.
Rotation Test Mode ...................................................................................................................................... 15
6.4.
Modbus Slave Test Mode ............................................................................................................................. 15
6.4.1.
Modbus registers ................................................................................................................................... 15
7.
Troubleshooting ................................................................................................................................................. 17
Appendix A - Compatible Air-To-Air units ................................................................................................................. 18
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Table of Contents
