Installation manual

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4.9.1 Dimensions WI 9ME, WI 14ME, WI 9TE, WI 14TE, WI 18TE, WI 22TE and WI 27TE....................................................... 142
4.9.2 Dimensions WI 40CG.......................................................................................................................................................... 143
4.9.3 Dimensions WI 90CG.......................................................................................................................................................... 143
5 Noise Emissions from Heat Pumps.............................................................................................................. 144
5.1 Solid-Borne Sound........................................................................................................................................................................ 144
5.2 Airborne Sound............................................................................................................................................................................. 144
5.2.1 Sound Pressure Level and Sound Power Level.................................................................................................................. 144
5.2.2 Emission and Immission ..................................................................................................................................................... 144
5.2.3 Sound propagation.............................................................................................................................................................. 145
6 Domestic Hot Water Preparation and Ventilation with Heat Pumps ......................................................... 147
6.1 Domestic Hot Water Heating with the Heat Pumps for Heating Purposes ................................................................................... 147
6.1.1 Requirements placed on the domestic hot water cylinder................................................................................................... 147
6.1.2 Domestic hot water cylinder for heat pumps for heating purposes ..................................................................................... 147
6.1.3 Attainable cylinder temperatures......................................................................................................................................... 149
6.1.4 Device information for hot water cylinder design WWSP 229E .......................................................................................... 150
6.1.5 Device information for hot water cylinder WWSP 332 ........................................................................................................ 151
6.1.6 Device information for hot water cylinder design WWSP 442E .......................................................................................... 152
6.1.7 Device information for hot water cylinder WWSP 880 ........................................................................................................ 153
6.1.8 Device information for hot water cylinder WWSP 900 ........................................................................................................ 154
6.1.9 Device information for combination tank PWS 332............................................................................................................ 155
6.1.10 Device information for combination tank PWD 750............................................................................................................. 156
6.1.11 Country-specific requirements ............................................................................................................................................ 156
6.1.12 Connecting more than one domestic hot water cylinder in a single circuit.......................................................................... 157
6.2 Domestic Hot Water Heating with Domestic Hot Water Heat Pumps........................................................................................... 157
6.2.1 Air circulation variations ...................................................................................................................................................... 159
6.2.2 Device information for domestic hot water heat pumps ...................................................................................................... 160
6.3 Domestic Ventilation Units for DHW Preparation ......................................................................................................................... 160
6.4 Basic Principles for Planning Domestic Ventilation Systems........................................................................................................ 161
6.4.1 Calculation of the air volume............................................................................................................................................... 161
6.4.2 Installation recommendations for domestic ventilation units and the positioning of the fresh air and exhaust air valves ... 162
6.4.3 Calculating the overall pressure drop.................................................................................................................................. 163
6.5 Compact Domestic Ventilation Unit (Exhaust Air) LWP 300W ..................................................................................................... 163
6.6 Device Information for Compact Domestic Ventilation Units (Exhaust Air) .................................................................................. 165
6.7 Comparison of the Convenience and the Costs of Different Types of Domestic Hot Water Heating Systems ............................ 166
6.7.1 Decentralized domestic hot water supply (e.g. continuous-flow heaters) ........................................................................... 166
6.7.2 Cylinder with electric immersion heater (off-peak electricity).............................................................................................. 166
6.7.3 Domestic hot water heat pump ........................................................................................................................................... 166
6.7.4 Domestic ventilation unit with domestic hot water preparation ........................................................................................... 166
6.7.5 Summary............................................................................................................................................................................. 166
7 Heat Pump Manager....................................................................................................................................... 167
7.1 Operation...................................................................................................................................................................................... 167
7.1.1 Attaching the wall-mounted heat pump manager (heating) ................................................................................................ 168
7.1.2 Temperature sensor (heating controller N1) ....................................................................................................................... 168
7.2 General Menu Structure ............................................................................................................................................................... 170
7.3 Circuit Diagram of the Wall-Mounted Heat Pump Manager.......................................................................................................... 172
7.4 Connection of External System Components............................................................................................................................... 174
7.5 Technical Data of the Heat Pump Manager.................................................................................................................................. 174
8 Integration of the Heat Pump in the Heating System ................................................................................. 175
8.1 Hydraulic Requirements ............................................................................................................................................................... 175
8.2 Guarantee Frost Protection .......................................................................................................................................................... 175
8.3 Safeguard the Heating Water Flow............................................................................................................................................... 175
8.3.1 Arithmetic calculation of the temperature spread................................................................................................................ 175
8.3.2 Temperature spread in relation to the heat source temperature......................................................................................... 176
8.3.3 Overflow valve..................................................................................................................................................................... 176
8.3.4 Differential pressureless manifold....................................................................................................................................... 176
8.3.5 Dual differential pressureless manifold ............................................................................................................................... 177
8.4 Hot Water Distribution System...................................................................................................................................................... 177
8.4.1 KPV 25 compact manifold................................................................................................................................................... 177
8.4.2 KPV 25 compact manifold with EB KPV extension module ................................................................................................ 178