Viessmann Vitodens 222-F Installation Instructions For Contractors page 5

Index
(cont.)
8. Parts lists
9. Function description
10. Connection and wiring dia-
grams
11. Commissioning/service
reports
12. Specification
13. Certificates
14. Keyword index
Checking the boiler water temperature sensor, cylinder temperature
■
sensor or flow temperature sensor of low loss header ....................... 70
Checking the flue gas temperature sensor ......................................... 71
■
Checking the temperature limiter ........................................................ 71
■
Checking the fuse/MCB ...................................................................... 72
■
Overview of assemblies ......................................................................... 73
Ordering parts ..................................................................................... 73
■
Casing .................................................................................................... 74
Heat cell ................................................................................................. 76
MatriX cylinder burner ............................................................................ 78
Hydraulics .............................................................................................. 80
Hydraulic block ...................................................................................... 84
DHW cylinder ......................................................................................... 86
Control unit ............................................................................................ 88
Miscellaneous ........................................................................................ 90
Ordering individual parts for accessories ............................................... 92
Constant temperature control unit ......................................................... 93
Heating mode ..................................................................................... 93
■
DHW heating with gas condensing combi boiler ................................ 93
■
DHW heating with gas condensing boiler ........................................... 93
■
Internal extensions (accessories) .......................................................... 94
Internal H1 extension .......................................................................... 94
■
Internal H2 extension .......................................................................... 95
■
External extensions (accessories) ......................................................... 96
AM1 extension .................................................................................... 96
■
EA1 extension .................................................................................... 97
■
Control functions .................................................................................... 98
External operating program changeover ............................................ 98
■
External blocking ................................................................................ 99
■
External demand ................................................................................ 99
■
Venting program ................................................................................. 99
■
Fill program .........................................................................................100
■
Electronic combustion control unit ......................................................... 100
Connection and wiring diagram
Connection and wiring diagram
................................................................................................................103
................................................................................................................104
Declaration of conformity ....................................................................... 106
Manufacturer's declaration ................................................................. 106
■
Manufacturer's certificate according to the 1st BImSchV [Germany] .... 107
................................................................................................................108
internal connections ......................... 101
-
external connections ........................ 102
-
Index
5