Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 134

Keyword index
Keyword index
A
AC burner...................................................................32
Actuators.................................................................... 26
Adaptive cylinder heating......................................... 117
Additional function for increased DHW hygiene ...... 116
Apartment building................................................... 116
Appliance fuses, checking........................................108
B
Boiler water temperature sensor.............................. 107
Brief description
– Boiler water temperature control........................... 109
– Cylinder temperature control................................. 116
– Heating circuit control............................................ 111
Brief scan................................................................... 89
Buffer temperature sensor....................................... 107
Burner
– AC........................................................................... 32
– External changeover............................................... 29
– MatriX......................................................................33
– Pressure-jet oil/gas................................................. 32
– Three-phase............................................................35
– Without plug............................................................ 33
Burner demand, external.......................................... 118
C
Central control.......................................................... 112
Central fault message facility connection...................26
Changeover of multi stage/modulating burners......... 29
Checking
– Fuses.................................................................... 108
Checking actuators.................................................... 47
Coding card
– Inserting.................................................................. 13
Commissioning
– Control unit, matching to modulating burner........... 42
– Control unit adjustment to 2-stage burner...............42
– Required parameters.............................................. 41
Commissioning, repeating..........................................41
Commissioning assistant........................................... 41
Connection and wiring diagram................................123
Control
– Boiler water temperature.......................................109
Controlled burner shutdown, external...................... 118
Controlled external shutdown................................... 119
Control sequence
– Boiler water temperature control........................... 110
– Cylinder temperature control................................. 117
Control unit
– Heating circuits...................................................... 111
Control unit, opening.................................................. 16
Control unit front mounting.........................................16
Control unit linking into LON
– Example of single boiler system..............................44
Cylinder loading system....................................117, 118
Cylinder priority control..................................... 112, 116
Cylinder temperature controller................................ 116
Cylinder temperature sensor....................................107
134
D
Detached house....................................................... 116
DHW circulation pump..............................................117
DHW heating............................................................ 116
DHW heating control................................................ 116
DHW temperature.....................................................112
Diagnostics.................................................................88
Differential temperature............................................ 113
E
EA1 extension............................................................ 27
Economy circuits...................................................... 112
Electrical connections, overview................................ 18
Extension
– AM1.......................................................................122
– EA1....................................................................... 120
Extension for heating circuits 2 and 3
– Connection.............................................................. 20
– Installation............................................................... 13
Extension for heating circuit with mixer......................18
External blocking........................................................28
External burner demand........................................... 118
External changeover of multi stage/modulating burn-
ers.............................................................................. 29
External controlled burner shutdown........................ 118
External demand
– Via switching contact...............................................30
External functions.......................................................26
– EA1 extension......................................................... 27
– Low voltage PCB.....................................................26
External mixer CLOSE............................................... 29
External mixer OPEN................................................. 29
External safety equipment connection....................... 31
F
Fault history................................................................92
Fault memory............................................................. 92
Fault messages..........................................................92
– Without a fault display........................................... 106
Flow temperature control..........................................113
Flow temperature sensor......................................... 107
Flue gas temperature sensor................................... 107
Frost protection.........................................................112
Frost protection function........................................... 116
Functions
– Constant boiler water temperature control............ 109
– Heating circuit control............................................ 111
Fuses....................................................................... 108
H
Heating circuit pump logic function...........................112
Heating curve......................................................45, 111
Heating curve level.....................................................46
Heating curve slope................................................... 46
Heat-up time reduction............................................. 114
High efficiency circulation pumps............................... 24
High limit safety cut-out............................................ 118
– Additional...............................................................119
– Adjusting................................................................. 14
– Testing.....................................................................46