Technical data

www.dimplex.de 01.2012 | Project planning manual for heat pumps for heating and domestic hot water preparation | 3
Table of contents
7.6.3 Connection diagram WPM 2006 plus / WPM 2007 plus........................................................................................................ 84
7.6.4 Connection diagram WPM EconPlus .................................................................................................................................... 85
7.6.5 Connection diagram WPM EconSol ...................................................................................................................................... 87
7.6.6 Legend for connection diagrams ........................................................................................................................................... 88
7.6.7 Heat pump manager terminal assignment............................................................................................................................. 89
7.7 Connection of external system components to the heat pump manager........................................................................................ 90
7.8 Technical data for the heat pump manager .................................................................................................................................... 90
7.9 WPM Master for connecting multiple heat pumps in parallel .......................................................................................................... 91
7.9.1 Description WPM Master....................................................................................................................................................... 91
7.9.2 Electrical connection WPM Master........................................................................................................................................ 92
7.9.3 Configuration of the network.................................................................................................................................................. 93
8 Integration of the heat pump in the heating system......................................................................................94
8.1 Hydraulic requirements ................................................................................................................................................................... 94
8.2 Guarantee frost protection .............................................................................................................................................................. 94
8.3 Safeguard the heating water flow rate ............................................................................................................................................ 95
8.3.1 Arithmetic calculation of the temperature spread .................................................................................................................. 95
8.3.2 Temperature spread in relation to the heat source temperature ........................................................................................... 95
8.3.3 Overflow valve ....................................................................................................................................................................... 96
8.3.4 Differential pressureless manifold ......................................................................................................................................... 96
8.3.5 Dual differential pressureless manifold.................................................................................................................................. 97
8.4 Domestic hot water distribution system........................................................................................................................................... 97
8.4.1 Compact manifold KPV 25 .................................................................................................................................................... 99
8.4.2 Compact manifold KPV 25 with extension module EB KPV................................................................................................ 100
8.4.3 Dual differential pressureless manifold DDV ....................................................................................................................... 100
8.5 Hydro tower................................................................................................................................................................................... 102
8.5.1 General properties............................................................................................................................................................... 102
8.5.2 Field of application hydro tower HWK 332 /HWK 332 Econ/HWK 332 Econ-E................................................................... 103
8.6 Buffer tank..................................................................................................................................................................................... 103
8.6.1 Heating systems with individual room control...................................................................................................................... 104
8.6.2 Heating systems without individual room control................................................................................................................. 104
8.6.3 Buffer tank for bridging shut-off times.................................................................................................................................. 104
8.6.4 Expansion vessel / safety valve in the heat pump circuit .................................................................................................... 107
8.6.5 Check valve ......................................................................................................................................................................... 107
8.7 Flow temperature limit of underfloor heating................................................................................................................................. 108
8.7.1 Flow temperature limiting via a mixer limit switch................................................................................................................ 108
8.7.2 Flow temperature limiting via a mixer bypass...................................................................................................................... 108
8.8 Mixer ............................................................................................................................................................................................. 108
8.8.1 Four-way mixer.................................................................................................................................................................... 108
8.8.2 Three-way mixer.................................................................................................................................................................. 108
8.8.3 Three-way solenoid valve (switching valve) ........................................................................................................................ 108
8.9 Scale formation in domestic hot water heating systems ............................................................................................................... 109
8.10 Contaminants in the heating system............................................................................................................................................. 110
8.11 Integration of additional heat generators....................................................................................................................................... 110
8.11.1 Constantly regulated boiler (mixer regulation)..................................................................................................................... 110
8.11.2 Variably regulated boiler (burner regulation) ....................................................................................................................... 110
8.11.3 Renewable heat generators ................................................................................................................................................ 111
8.12 Heating a swimming pool .............................................................................................................................................................. 111
8.13 Constantly regulated tank charging............................................................................................................................................... 112
8.14 Electronically controlled circulating pumps in heating systems..................................................................................................... 112
8.15 Hydraulic integration ..................................................................................................................................................................... 113
8.15.1 Integration of the heat source.............................................................................................................................................. 114
8.15.2 Monovalent brine-to-water heat pumps............................................................................................................................... 115
8.15.3 Heat pumps in compact design ........................................................................................................................................... 117
8.15.4 Heat pumps with hydro tower HWK 332.............................................................................................................................. 118
8.15.5 Mono energy heat pump heating system ............................................................................................................................ 119
8.15.6 Combination cylinders and combi-cylinders ................................................................................
........................................ 122
8.15.7 Bivalent heat pump heating system..................................................................................................................................... 123
8.15.8 Integration of renewable heat sources ................................................................................................................................ 125
8.15.9 Swimming pool water preparation ....................................................................................................................................... 127
8.15.10 parallel connection of heat pumps....................................................................................................................................... 128
8.15.11 Integration of split air-to-water heat pumps ......................................................................................................................... 129