Repair instructions
HPG-I 04-06-08-12-15 S-CS-DS-DCS
Premium
13.1 Operation ................................................................................................................... 27
13.2 Malfunction ................................................................................................................. 28
14. Entry list ........................................................................................................................... 29
15. Further notes on
troubleshooting
and
fault rectification
............................................................... 35
15.1 Reset control unit (FES) ............................................................................................... 35
15.2 Reset heat pump manager (WPM) .................................................................................. 35
15.3 Multifunctional assembly (MFG) ..................................................................................... 36
15.3.1 Overview of the components of the multifunctional assembly (MFG) ............................. 36
15.3.2 Incorrect circulation during DHW charging or heating operation ................................... 36
15.3.3 Frequent WW charging in cooling mode .................................................................... 36
15.3.4 Noise when bypassing the change-over valve ............................................................ 37
15.3.5 Water leakage at the motor of the change-over valve (MA12) ..................................... 37
15.3.6 Blocking the DHC stages if the volume flow is too low ................................................ 37
15.4 Internal brine pressure switch (BP18) ............................................................................. 37
15.5 Source Min ................................................................................................................. 38
15.6 Diaphragm expansion vessel (MAG) Heat source
leaking
.................................................... 38
15.7 Pressure monitoring Unit housing ................................................................................... 38
16. Testing components ........................................................................................................... 38
16.1 Internal
circulation pump
............................................................................................... 38
16.2 Internal
heat source pump
............................................................................................. 39
16.3 Temperature sensor ..................................................................................................... 39
16.4 Pressure sensors ......................................................................................................... 39
16.5 Pressure socket connection Pressure monitoring ............................................................... 39
17. Special repair specifications ................................................................................................. 40
17.1 Check housing tightness ............................................................................................... 40
18. Software versions ............................................................................................................... 41
18.1 Minimum software levels ............................................................................................... 41
18.2 Software history .......................................................................................................... 41
19. Maintenance ...................................................................................................................... 42
20. Technical data ................................................................................................................... 42
20.1 Performance data ........................................................................................................ 42
21. Refrigerant circuit Special features ........................................................................................ 42
21.1 Evaporation temperature .............................................................................................. 43
21.2 Condensing temperature ............................................................................................... 43
21.3 Evaporator overheating ................................................................................................ 43
21.4 Definition ................................................................................................................... 43
22. Application limits ................................................................................................................ 44
22.1 Application limit heating ............................................................................................... 44
22.2 Application limit passive cooling ..................................................................................... 44
23. Change history .................................................................................................................. 45