Contents0020257297_02 aroTHERM Operating instructions 41Operating instructionsContents1 Safety .................................................................. 421.1 Action-related warnings ....................................... 421.2 Intended use ........................................................ 421.3 General safety information .................................. 422 Notes on the documentation ............................ 442.1 Observing other applicable documents ............... 442.2 Storing documents............................................... 442.3 Validity of the instructions .................................... 443 Product description........................................... 443.1 Heat pump system............................................... 443.2 Functions of the heat pump ................................. 443.3 Product design..................................................... 443.4 Data plate and serial number .............................. 453.5 CE marking .......................................................... 453.6 Fluorinated greenhouse gases ............................ 454 Operation............................................................ 454.1 Switching on the product ..................................... 454.2 Operating the product .......................................... 454.3 Guaranteeing frost protection .............................. 454.4 Switching off the product ..................................... 455 Care and maintenance ...................................... 455.1 Keeping the product clear, cleaning theproduct................................................................. 455.2 Caring for the product .......................................... 455.3 Maintenance ........................................................ 455.4 Observing the maintenance plan......................... 456 Troubleshooting ................................................ 466.1 Eliminating faults.................................................. 467 Decommissioning.............................................. 467.1 Temporarily decommissioning the product.......... 467.2 Permanently decommissioning the product......... 468 Recycling and disposal..................................... 468.1 Arranging disposal of refrigerant ......................... 46Appendix ............................................................................ 47A Troubleshooting ................................................ 47