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A
Above roof installation
– For corrugated sheet roofs..........................................................107
– For sheet metal roofs.................................................................. 108
– With rafter anchors........................................................................99
– With rafter hooks.........................................................................102
Absorber area.................................................................................... 6
Additional function for DHW heating.............................................. 137
Anti-scalding protection..................................................................137
Aperture area..................................................................................... 6
Area designations.............................................................................. 6
Automatic thermostatic mixing valve..............................................137
C
Central heating............................................................................... 119
Central heating backup.................................................................. 119
Circulation pump............................................................................ 131
Collector areas................................................................................... 6
Collector efficiency............................................................................. 6
Collector fixing..................................................................................97
Collector range...................................................................................5
Collector row spacing.....................................................................108
Collector supports on pitched roofs................................................102
Collector temperature sensor...........................................................37
Connection line................................................................................ 88
Cooling line.................................................................................... 133
D
Delivered condition
– Solar control module..................................................................... 25
– Vitosolic 100..................................................................................26
– Vitosolic 200.................................................................................28
DHW cylinders................................................................................. 41
DHW demand.................................................................................119
DHW heating.................................................................................. 119
Distance from the edge of the roof...................................................95
E
Efficiency curves................................................................................ 6
Equipotential bonding.......................................................................96
Expansion vessel................................................................... 134, 135
– Structure, function, specification................................................... 91
F
Fill station, solar circuit.....................................................................94
Flat roof installation
– Horizontal.................................................................................... 116
– On collector supports.................................................................. 108
Flow rate........................................................................................ 122
Flow velocity...................................................................................129
Frost protection, external heat exchanger........................................34
G
H
Heat exchanger..............................................................................121
Heat loss factor.................................................................................. 6
High limit safety cut-out..................................................................136
Hydraulic connections.................................................................... 122
I
Inclination of the receiver surface...................................................... 9
Installation accessories.................................................................... 84
Installation examples......................................................................122
Installation information
– Pipework....................................................................................... 96
– Solar lines..................................................................................... 96
– Thermal insulation.........................................................................96
Installation on walls........................................................................ 117
Insurance....................................................................................... 138
Intended use.................................................................................. 138
L
Lightning protection of the solar thermal system..............................96
Line regulating valve........................................................................ 91
Liquid content.................................................................................136
O
Operating modes of a solar thermal system
– High flow operation..................................................................... 122
– Low flow operation...................................................................... 122
– Matched flow operation...............................................................122
Optical efficiency................................................................................ 6
Orientation of the receiver surface..................................................... 9
P
Parameters for collectors................................................................... 6
Permits........................................................................................... 138
Pressure drop.................................................................................126
Pressure drop of the pipework....................................................... 130
Pressure in solar thermal systems................................................. 133
R
Required roof area — above roof.....................................................97
S
Safety equipment........................................................................... 132
Safety valve....................................................................................136
Shading of the receiver surface......................................................... 9
Sizing..............................................................................................118
Sizing the circulation pump............................................................ 131
Snow load zones..............................................................................95
Solar control module
– Delivered condition....................................................................... 25
– Specification..................................................................................25
Solar control units...................................................................... 24, 26
Solar coverage................................................................................... 8
Solar-Divicon....................................................................................84
Solar flow and return lines................................................................90
Solar heat exchanger set................................................................. 54
Solar line roof outlet......................................................................... 90
Solar pump assembly.......................................................................84
Specification
– Solar control module..................................................................... 25
– Vitosolic 100..................................................................................26
– Vitosolic 200..................................................................................27
Stagnation...................................................................................... 132
Stagnation temperature......................................................................8
Steam-producing power............................................................. 8, 133
Steam spread.................................................................................133
Subsidy programmes..................................................................... 138
Swimming pool heating
– Indoor pools................................................................................ 121
– Outdoor pools............................................................................. 120
T
Technical Building Regulations for installation on walls................... 98
Thermal capacity................................................................................8
Transport aid.................................................................................... 95
Keyword index
140
VIESMANN
VITOSOL
5822 440 GB