
5
Service instructions
Product information
Intended use......................................................................................................... 7
Product information.............................................................................................. 7
Installation instructions
Preparing for installation................................................................................... 8
Installation sequence
Mounting the boiler and making connections....................................................... 10
Connection on the heating water side.................................................................. 12
Flue gas connection............................................................................................. 12
Condensate connection........................................................................................ 13
Gas connection.................................................................................................... 14
Opening the control unit enclosure....................................................................... 14
Electrical connections........................................................................................... 16
Closing the control unit enclosure and inserting the programming unit............... 26
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 28
Further details regarding the individual steps....................................................... 30
Code 1
Calling up coding level 1...................................................................................... 65
General/group "1"................................................................................................. 66
Boiler/group "2".................................................................................................... 69
DHW/group "3"..................................................................................................... 69
Solar/group "4"..................................................................................................... 70
Heating circuit 1, heating circuit 2, heating circuit 3/group "5"............................. 72
Code 2
Calling up coding level 2...................................................................................... 79
General/group "1"................................................................................................. 80
Boiler/group "2".................................................................................................... 89
DHW/group "3"..................................................................................................... 91
Solar/group "4"..................................................................................................... 93
Heating circuit 1, heating circuit 2, heating circuit 3/group "5"............................. 97
Diagnosis and service scans
Service level......................................................................................................... 106
Diagnosis.............................................................................................................. 107
Index
Index
5585 174 GB
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