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English
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9.9.2.1. Timer on and off switching .......................................................... 34
9.9.3. Setting day - night switch-over
..................................................... 35
9.9.4. System drawings
.......................................................................... 36
9.10. Functions ...................................................................................... 37
9.10.1 Fan error message contact .......................................................... 37
9.10.2 Hot water coil .............................................................................. 37
9.10.3 Version with electric heating coil
.................................................. 37
10. Maintenance and repair
........................................................................
37
10.1. Important notes ............................................................................ 37
10.2. Cleaning and care ........................................................................ 38
10.3. Maintenance ................................................................................. 38
10.3.1. Rotating wheel heat exchanger .................................................... 38
10.3.2. Belt drive for rotating wheel .......................................................... 38
10.3.3. Air filter
......................................................................................... 39
10.3.4. Changing the battery
.................................................................... 40
11. Modbus communication interface
.......................................................
41
11.1. Wiring diagram ............................................................................. 41
11.2. Interface information .................................................................... 41
11.3. Functions implemented ................................................................ 41
11.4. Parameter table ........................................................................... 42
11.5. Current value table ...................................................................... 44
12. Expansion and reconfiguration
............................................................
45
13. Dismantling and disposal
.....................................................................
45
13.1. Disassembling the product ........................................................... 46
13.2. Disposal ....................................................................................... 46
14. Troubleshooting
.....................................................................................
46
14.1. Low-current fuses ......................................................................... 46
14.2. Fault diagnosis chart .................................................................... 46
15. Technical data
........................................................................................
49
16. Appendix
................................................................................................
51
16.1. List of parameters ........................................................................ 51
16.2. Technical drawings ....................................................................... 52
16.3. Wiring diagrams .......................................................................... 60
