Table of Contents
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Index
(cont.)
17.
lation
18.
operation
19.
20.
VITOSOL
16. 2 Vitosol-F flat-plate collectors (on supports) .............................................................. 128
■ Collector supports with variable angle of inclination ............................................. 129
■ Collector supports with fixed angle of inclination .................................................. 131
16. 3 Vitosol 200-T and Vitosol 300-T vacuum tube collectors (on supports) ................... 132
■ Collector supports with variable angle of inclination ............................................. 133
■ Collector supports with fixed angle of inclination .................................................. 134
17. 1 Vitosol-F flat-plate collectors, type SH ...................................................................... 135
■ Collector supports - angle γ 10 to 45° .................................................................. 135
17. 2 Vitosol 200-T vacuum tube collectors, type SP2A .................................................... 136
18. 1 Sizing the solar thermal system ................................................................................ 136
■ System for heating DHW ...................................................................................... 137
■ System for DHW heating and central heating backup .......................................... 138
■ Swimming pool heating system - heat exchanger and collector .......................... 139
18. 2 Solar thermal system operating modes .................................................................... 140
■ Flow rate in the collector array .............................................................................. 140
■ Which operating mode is the right one? ............................................................... 140
18. 3 Installation examples Vitosol-F, type SV and SH ..................................................... 140
■ High-flow operation - single-sided connection .................................................... 140
■ High-flow operation - connection on alternate sides ........................................... 141
■ Low-flow operation - single-sided connection ..................................................... 141
■ Low-flow operation - connection on alternate sides ........................................... 141
18. 4 Installation examples Vitosol 200-T, type SPE ......................................................... 141
lation ..................................................................................................................... 141
■ Horizontal installation on a pitched roof ................................................................ 142
18. 5 Installation examples Vitosol 200-T, type SP2A ....................................................... 142
lation ..................................................................................................................... 143
■ Horizontal installation on pitched roofs and on walls ............................................ 143
18. 6 Installation examples Vitosol 300-T, type SP3B ....................................................... 144
■ Vertical installation on pitched roofs and installation on supports ......................... 144
18. 7 Pressure drop of the solar thermal system ............................................................... 145
■ Pressure drop of the solar flow and return lines ................................................... 145
■ Pressure drop of Vitosol 200-F, type SV and SH .................................................. 146
■ Pressure drop of Vitosol 100-F, type SV and SH .................................................. 146
■ Pressure drop of Vitosol 300-F, type SV and SH .................................................. 147
■ Pressure drop of Vitosol 200-T and Vitosol 300-T ................................................ 148
18. 8 Flow velocity and pressure drop ............................................................................... 148
■ Flow velocity ......................................................................................................... 148
■ Pressure drop of the pipework .............................................................................. 149
18. 9 Sizing the circulation pump ....................................................................................... 150
18.10 Ventilation ................................................................................................................. 151
18.11 Safety equipment ...................................................................................................... 151
■ Stagnation in solar thermal systems ..................................................................... 151
■ Expansion vessel .................................................................................................. 153
■ Safety valve .......................................................................................................... 155
■ High limit safety cut-out ......................................................................................... 155
18.12 Additional function for DHW heating ......................................................................... 155
18.13 Connecting the DHW circulation and thermostatic mixing valve .............................. 156
18.14 Intended use ............................................................................................................. 156
19. 1 Subsidy programs, permits and insurance ............................................................... 157
19. 2 Glossary .................................................................................................................... 157
.............................................................................................................................................. 158
VIESMANN
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