Table Of Contents - Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual

Index
Index
Installation instructions
Preparing for installation
Product information ....................................................................................
Handling .....................................................................................................
Positioning .................................................................................................
Clearance dimensions ................................................................................
On site connections ....................................................................................
Preparing the installation of the compact boiler ...........................................
Installation sequence
Fitting the connections ................................................................................ 14
Electrical connections................................................................................. 17
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance ................................... 21
Further details regarding the individual steps .............................................. 23
Coding
Code 1........................................................................................................ 66
Code 2........................................................................................................ 68
Resetting codes to their delivered condition ................................................ 84
Service scans
Service level overview ............................................................................... 85
Temperatures, boiler coding card and brief scans ....................................... 86
Checking outputs (relay test) ...................................................................... 88
Scanning operating conditions and sensors ................................................ 89
Troubleshooting
Fault display ............................................................................................... 91
Fault codes................................................................................................. 92
Repairs ...................................................................................................... 99
Function description
Vitotronic 200, type HO1 ............................................................................. 114
Extensions for external connections (accessories) ...................................... 117
Control functions ........................................................................................ 120
Remote control DIP switches ...................................................................... 126
Electronic combustion control unit............................................................... 127
Designs
Connection and wiring diagram
4
internal connections I............................... 129
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