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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