Viessmann VITODENS 200-W Installation And Service Instructions Manual page 5

Index
9. Parts lists
10. Function description
11. Connection and wiring dia-
grams
12. Commissioning/service
reports
13. Specification
Removing the boiler for servicing ....................................................... 109
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Checking the temperature sensors ..................................................... 111
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Checking the outlet temperature sensor or comfort sensor (only for
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gas condensing combi boilers) ........................................................... 113
Checking the plate heat exchanger .................................................... 114
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Checking the temperature limiter ........................................................ 115
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Checking for interchange of flow/return connections in solar circuit ... 115
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Checking the fuse ............................................................................... 116
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Mixer extension kit .............................................................................. 116
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Checking the Vitotronic 200-H (accessories) ...................................... 117
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Overview of assemblies ......................................................................... 118
Serial no. 7570775, 7570776, 7570777, 7570779, 7570781,
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7570782, 7570783, 7570785 .............................................................. 119
Serial no. 7570778, 7570780, 7570784, 7570786 ............................. 120
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Casing assembly ................................................................................... 122
Heat cell assembly .................................................................................124
MatriX cylinder burner assembly ........................................................... 126
Hydraulic assembly ................................................................................128
Serial no. 7570775, 7570776, 7570777, 7570779, 7570781,
■
7570782, 7570783, 7570785 ..............................................................128
Serial no. 7570778, 7570780, 7570784, 7570786 ............................. 130
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Hydraulic assembly, system boiler .........................................................132
Hydraulic assembly, combi boiler .......................................................... 134
Control unit assembly ............................................................................ 136
Miscellaneous assembly ........................................................................138
Ordering individual parts for accessories ...............................................140
Control unit ............................................................................................ 141
Heating mode ..................................................................................... 141
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DHW heating with gas condensing combi boiler ................................ 141
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DHW heating with gas condensing system boiler .............................. 141
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Boosting DHW heating ....................................................................... 141
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Internal extensions (accessories) .......................................................... 142
Internal H1 extension ..........................................................................142
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Internal H2 extension ..........................................................................143
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External extensions (accessories) ......................................................... 144
AM1 extension .................................................................................... 144
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EA1 extension .................................................................................... 145
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Control functions ....................................................................................146
External operating program changeover ............................................ 146
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External blocking ................................................................................ 147
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External demand ................................................................................ 147
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Venting program ................................................................................. 147
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Fill program .........................................................................................147
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Screed drying ..................................................................................... 148
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Raising the reduced room temperature .............................................. 149
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Reducing the heat-up time ................................................................. 150
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Assigning heating circuits to the remote control .................................... 151
Vitocom 100, type GSM: Entering the PIN code via Vitotronic .............. 152
Hydronic balancing ................................................................................ 152
Electronic combustion control unit ......................................................... 152
Connection and wiring diagram
Connection and wiring diagram
................................................................................................................156
Specification .......................................................................................... 157
internal connections ......................... 154
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internal connections ......................... 155
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Index
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