Viessmann VITOSOL SERIES Technical Manual page 4

Index
(cont.)
12. Information regarding design and
operation
13. Appendix
14. Keyword index
VIESMANN
4
11. 8 Solar flow and return line .......................................................................................... 95
■ Connection set ...................................................................................................... 95
■ Connection set ...................................................................................................... 95
■ Connection set with locking ring fitting .................................................................. 95
11. 9 Fill valve .................................................................................................................... 95
11.10 Manual solar fill pump ............................................................................................... 96
11.11 Solar expansion vessel ............................................................................................. 96
11.12 Stagnation heat sink ................................................................................................. 97
11.13 Freshwater module ................................................................................................... 97
11.14 Automatic thermostatic mixing valve ........................................................................ 98
11.15 Three-way diverter valve .......................................................................................... 98
11.16 DHW circulation (threaded fitting) ............................................................................. 98
12. 1 Snow load and wind load zones ............................................................................... 98
12. 2 Installation information .............................................................................................. 99
■ Distance from the edge of the roof ........................................................................ 99
■ Routing pipework .................................................................................................. 99
■ Equipotential bonding/lightning protection of the solar thermal system ................ 99
12. 3 Collector fixing .......................................................................................................... 99
■ Pitched roof installation - above roof installation ................................................ 100
■ Above roof installation with rafter anchors ............................................................ 100
■ Above roof installation with roof hooks ................................................................. 103
■ Pitched roof installation - roof integration ............................................................. 105
■ Flat roof installation ............................................................................................... 106
■ Installation on walls ............................................................................................... 112
■ Installation information for solar lines .................................................................... 114
■ Installation information for thermal insulation ........................................................ 115
12. 4 Sizing the solar thermal system ................................................................................ 115
■ System for heating DHW ...................................................................................... 116
■ System for DHW heating and central heating backup .......................................... 117
■ Swimming pool water heating system - heat exchanger and collector ................ 118
12. 5 Sizing the pipework ................................................................................................... 120
■ Solar thermal system operating modes ................................................................ 120
■ Installation examples (hydraulic connection) Vitosol-F, types SV and SH ............ 120
■ Installation examples (hydraulic connection) Vitosol 200-T, type SD ................... 121
■ Installation examples (hydraulic connection) Vitosol 200-T, type SP2 ................. 122
■ Installation examples (hydraulic connection) Vitosol 300-T .................................. 124
■ Pressure drop of the solar thermal system ........................................................... 124
■ Flow velocity and pressure drop ........................................................................... 126
■ Sizing the circulation pump ................................................................................... 128
■ Ventilation ............................................................................................................. 128
12. 6 Safety equipment ...................................................................................................... 129
■ Stagnation in solar thermal systems ..................................................................... 129
■ Expansion vessel .................................................................................................. 131
■ Safety valve .......................................................................................................... 134
■ High limit safety cut-out ......................................................................................... 134
12. 7 Additional function for DHW heating ......................................................................... 134
12. 8 Connecting the DHW circulation and thermostatic mixing valve .............................. 135
13. 1 Subsidy programs, permits and insurance ............................................................... 135
13. 2 Glossary .................................................................................................................... 136
■ Absorber ............................................................................................................... 136
■ Absorption ............................................................................................................. 136
■ Irradiance (insolation) ........................................................................................... 136
■ Emission ............................................................................................................... 136
■ Evacuation ............................................................................................................ 136
■ Steam production capacity ................................................................................... 136
■ Steam range ......................................................................................................... 136
■ Heat pipe ............................................................................................................... 136
■ Condenser ............................................................................................................ 136
■ Convection ............................................................................................................ 136
■ Standard roof pitch ................................................................................................ 136
■ Selectively coated surface .................................................................................... 136
■ Radiation energy ................................................................................................... 136
■ Dispersion ............................................................................................................. 137
■ Vacuum ................................................................................................................. 137
■ Heat transfer medium ........................................................................................... 137
■ Efficiency ............................................................................................................... 137
.............................................................................................................................................. 138
VITOSOL