91
Power supply........................................................35, 44
– Compressor.................................................36, 37, 64
– Heat pump control unit............................................ 36
– Regulations............................................................. 35
Power supply with power-OFF
– With on-site load disconnect................................... 39
– Without on-site load disconnect.............................. 37
Premium tariff meter.................................38, 39, 40, 41
Pressure check.......................................................... 51
Pressure load............................................................. 14
Primary circuit
– Filling and venting................................................... 50
Primary circuit connection.......................................... 17
Primary circuit pressure switch.................................. 45
Primary pump.............................................................34
Product information...................................................... 8
Programming unit.......................................................64
– Installation............................................................... 19
PWM signal................................................................ 34
R
Radio clock receiver...................................................33
Refrigerant circuit....................................................... 65
Refrigerant circuit, checking for leaks........................ 50
Refrigerant circuit sensors......................................... 66
Remote control.....................................................33, 56
Removing top panel................................................... 16
Repair work................................................................ 49
Reports.......................................................................73
Reports, control parameters.......................................73
Requirements for installation room............................ 12
Residual current device..............................................35
Residual current device (RCD).................................. 35
Resistance curve
– Temperature sensor NTC 10 k
..............................66
– Temperature sensor Pt500A................................... 66
Return temperature sensor
– Primary circuit................................................... 65, 66
– Secondary circuit.........................................33, 65, 66
Ripple control receiver............................. 38, 39, 40, 41
Room height...............................................................12
Room temperature sensor
– Cooling circuit....................................................33, 66
– Heating circuit......................................................... 66
Routing cables........................................................... 20
S
Safety chain............................................................... 44
Safety connections.....................................................31
Safety high pressure switch....................................... 65
Safety valve................................................................17
Schrader valve
– High pressure side.................................................. 65
– Low pressure side................................................... 65
Seal rings, replacing.................................18, 45, 51, 72
Secondary circuit
– Connecting.............................................................. 17
– Filling.......................................................................51
– Filling and venting................................................... 51
Secondary pump........................................................ 34
– Parameters..............................................................55
Sensors...................................................................... 65
– Checking................................................................. 66
– Refrigerant circuit.................................................... 66
Service menu
– Activating.................................................................53
– Calling up................................................................ 54
– Deactivating............................................................ 53
Service termination.................................................... 53
Sight glass..................................................................65
Siting.....................................................................10, 11
Smart Grid..................................................................62
– Connection to EA1 extension..................................43
– Connection to heat pump control unit..................... 43
Solar DHW heating.................................................... 58
Specification
– Brine/water heat pumps.......................................... 84
– Water/water heat pumps......................................... 86
Starting
– Heat pump...............................................................51
Structure-borne noise transmission........................... 12
Suction gas temperature sensor................................ 65
Swimming pool...........................................................35
Swimming pool water heating.................................... 59
Symbols....................................................................... 7
System pressure check..............................................51
System schemes........................................................54
System user instruction..............................................63
T
Temperature limiter.................................................... 25
Temperature sensors
– Coefficients, type NTC 10 k
.................................. 67
– Coefficients, type Pt500A........................................68
Terminator.................................................................. 33
Thermal expansion valve........................................... 65
Three-phase monitor..................................................44
Tightness test....................................................... 18, 72
Tilting angle................................................................ 11
TNC system............................................. 38, 39, 40, 41
Top panel removal......................................................16
Top-up water.............................................................. 51
Total weight................................................................ 12
Transport.................................................................... 11
Transport bracket....................................................... 69
– Removal.................................................................. 15
Transport brackets..................................................... 69
U
Underfloor heating......................................................25
Underfloor heating circuit........................................... 25
Undervoltage..............................................................44
Use of power generated on site................................. 36
Keyword index
Keyword index
(cont.)
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