0020244997_07 Installation and maintenance instructions 3
13.6 Replacing defective components......................... 46
13.7 Completing repair work........................................ 50
13.8 Checking the product for leak-tightness .............. 50
14 Decommissioning.............................................. 50
14.1 Temporarily decommissioning the product.......... 50
14.2 Permanently decommissioning the product......... 50
15 Recycling and disposal..................................... 50
Appendix ............................................................................ 51
A Inspection and maintenance work................... 51
B Installer level – Overview .................................. 52
C Overview of diagnostics codes........................ 54
D Status codes – Overview .................................. 59
E Overview of fault codes .................................... 60
F Check programmes – Overview ....................... 63
G Function menu – Overview ............................... 63
H Wiring diagrams................................................. 64
H.1 Wiring diagram, product for heating mode
only, 12 - 35 kW................................................... 64
H.2 Wiring diagram, product for heating mode
only, ≥ 37 kW....................................................... 66
H.3 Wiring diagram, product with integrated
domestic hot water generation, 12–35 kW .......... 68
H.4 Wiring diagram, product with integrated
domestic hot water generation, ≥ 37 kW ............. 70
I Commissioning Checklist................................. 72
J Commissioning Flow Chart .............................. 76
Index ................................................................................... 77
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