Index
1. Vitodens 222-F, type B2TB 1.1 Product description ....................................................................................................... 4
1.2 Specification ................................................................................................................. 6
2. Vitodens 222-F, type B2SB 2.1 Product description ....................................................................................................... 11
2.2 Specification ................................................................................................................. 13
3. Vitodens 242-F, type B2UB 3.1 Product description ....................................................................................................... 18
3.2 Specification ................................................................................................................. 20
4. Installation accessories 4.1 Installation accessories Vitodens 222-F and Vitodens 333-F ....................................... 26
4.2 Installation accessories Vitodens 242-F ....................................................................... 32
5. Design information 5.1 Siting, installation .......................................................................................................... 36
■ Siting conditions for open flue operation (appliance type B) ..................................... 36
■ Siting conditions for room sealed operation (appliance type C) ................................ 37
■ Operation of the Vitodens in wet rooms .................................................................... 38
■ Electrical connection ................................................................................................. 38
■ Gas connection ......................................................................................................... 39
■ Minimum clearances ................................................................................................. 39
■ Installation Vitodens 222-F and 333-F ...................................................................... 40
■ Installation Vitodens 242-F ....................................................................................... 49
5.2 Decision-making aids for DHW heating ........................................................................ 55
■ Information on water quality ...................................................................................... 55
5.3 Connections on the water side ..................................................................................... 56
■ Connections on the DHW side .................................................................................. 56
5.4 Condensate connection ................................................................................................ 58
■ Condensate drain pipe and neutralisation ................................................................ 58
5.5 Hydraulic connection .................................................................................................... 59
■ General information .................................................................................................. 59
■ Expansion vessels for the heating circuit .................................................................. 60
■ Expansion vessel and heat sink for the solar circuit ................................................. 61
■ Low loss header ........................................................................................................ 64
5.6 Sizing the solar thermal system .................................................................................... 64
■ Influence of orientation, inclination and shade .......................................................... 64
■ Solar coverage .......................................................................................................... 65
■ DHW demand of apartments .................................................................................... 65
■ Determining the required solar collector area ........................................................... 65
■ Sizing aid for the Vitodens 242-F .............................................................................. 66
5.7 Intended use ................................................................................................................. 69
6. Control units 6.1 Vitotronic 100, type HC1B, for constant temperature operation ................................... 69
■ Structure and functions ............................................................................................. 69
■ Specification Vitotronic 100, type HC1B ................................................................... 70
6.2 Vitotronic 200, type HO2B, for weather-compensated operation ................................. 71
■ Structure and functions ............................................................................................. 71
■ Specification Vitotronic 200, type HO2B ................................................................... 73
■ Solar control module, type SM1 ................................................................................ 73
Index
2VIESMANN VITODENS
5822 431 GB