Contents2 Installation and maintenance instructions flexoTHERM exclusive 0020213395_00Contents1 Safety .................................................................... 41.1 Action-related warnings ......................................... 41.2 Intended use .......................................................... 41.3 General safety information .................................... 41.4 Regulations (directives, laws, standards) .............. 62 Notes on the documentation .............................. 72.1 Observing other applicable documents ................. 72.2 Storing documents................................................. 72.3 Applicability of the instructions .............................. 73 System overview.................................................. 73.1 Heat pump system design ..................................... 73.2 Functionality........................................................... 83.3 Safety devices ....................................................... 94 Product description........................................... 104.1 Product design..................................................... 104.2 Information on the identification plate.................. 104.3 Explanation of product stickers............................ 114.4 Type designation and serial number ................... 114.5 CE label ............................................................... 114.6 Benchmark........................................................... 115 Installation.......................................................... 125.1 Checking the scope of delivery............................ 125.2 Selecting the installation site ............................... 125.3 Dimensions .......................................................... 135.4 Minimum clearances............................................ 145.5 Transporting the heat pump ................................ 145.6 Installing the product............................................ 155.7 Removing carrying handles ................................. 155.8 Removing the front casing ................................... 155.9 Removing the casing top and side casings ......... 165.10 Removing the refrigeration circuit cover .............. 166 Carrying out the hydraulics installation .......... 176.1 Requirements for the heating circuit.................... 176.2 Connecting the heat pump to the heatingcircuit ................................................................... 176.3 Connecting the heat pump to the brine circuit ..... 176.4 Hydraulic wiring in the system ............................. 187 Filling and purging the system......................... 187.1 Filling and purging the heating circuit .................. 187.2 Filling and purging the brine circuit...................... 198 Electrical installation......................................... 218.1 Routing eBUS lines.............................................. 218.2 Opening the electronics box ............................... 218.3 Switch box ........................................................... 228.4 Establishing the power supply ............................. 228.5 Mains connection PCB ........................................ 248.6 Controller PCB..................................................... 268.7 Connecting the system controller andaccessories to the electronics system ................. 288.8 Carrying out the wiring......................................... 288.9 Installing the VRC DCF........................................ 288.10 Installing optional accessories............................. 288.11 Checking the electrical installation ...................... 288.12 Completing installation......................................... 289 Start-up ............................................................... 299.1 Operating concept ............................................... 299.2 Starting up the heat pump ................................... 299.3 Running the installation assistants ...................... 299.4 Calling up the installer level ................................. 309.5 Heating mode flow temperature regulation.......... 309.6 Calling up statistics .............................................. 309.7 Checking that the product works correctly........... 3010 Adapting the unit to the heatinginstallation.......................................................... 3010.1 Setting parameters .............................................. 3010.2 Setting the high-efficiency pumps........................ 3010.3 Setting the flow temperature in heating mode(with no controller connected) ............................. 3210.4 Setting the flow temperature in cooling mode(with no controller connected) ............................. 3210.5 Handing the product over to the operator............ 3211 Troubleshooting ................................................ 3211.1 Displaying the Live Monitor (current productstatus) .................................................................. 3211.2 Checking fault codes ........................................... 3311.3 Querying the fault memory .................................. 3311.4 Resetting the fault memory.................................. 3311.5 Restarting the installation assistant ..................... 3311.6 Using check programmes .................................... 3311.7 Carrying out the actuator test .............................. 3311.8 Auxiliary electric heater circuit breaker................ 3312 Inspection and maintenance ............................ 3312.1 Inspection and maintenance information............. 3312.2 Procuring spare parts .......................................... 3312.3 Inspection and maintenance check-list................ 3412.4 Checking and correcting the filling pressure ofthe heating installation ......................................... 3412.5 Checking and correcting the filling pressure inthe brine circuit .................................................... 3412.6 Carrying out a restart and test operation ............. 3413 Decommissioning.............................................. 3413.1 Temporarily decommissioning the product.......... 3413.2 Decommissioning the product ............................. 3414 Recycling and disposal..................................... 3414.1 Disposing of the brine fluid .................................. 3514.2 Arranging disposal of coolant .............................. 3515 Customer service............................................... 35Appendix ............................................................................ 36A Power supply 1~/N/PE 230 V (connectiondiagram 1 = ) .................................................. 36B Power supply 3~/PE 230 V (connectiondiagram 2 = ) .................................................. 36C Installer level overview...................................... 37D Status codes – Overview .................................. 41E Fault codes......................................................... 43