Viessmann B23, Installation And Service Instructions Manual

Page: 5 / 108

5
1. Information Disposal of packaging ............................................................................ 7
Symbols ................................................................................................. 7
Intended use .......................................................................................... 7
Installation, maintenance and cleaning ................................................. 8
System examples .................................................................................. 8
Spare parts lists ..................................................................................... 8
2. Preparing for installation ................................................................................................................ 9
3. Installation sequence Siting the boiler ...................................................................................... 13
■
Positioning on an on-site plinth ........................................................... 13
■
Siting on a DHW cylinder .................................................................... 13
■
Siting on a plinth ................................................................................. 13
Mounting and connecting the safety equipment block ........................... 14
Making the safety connections .............................................................. 16
■
Low water indicator ............................................................................. 16
Condensate connection ......................................................................... 17
■
Connection with trap ........................................................................... 17
■
Connecting the neutralising system (accessories) ............................. 18
Flue gas connection ............................................................................... 18
■
Open flue operation ............................................................................ 19
■
Room sealed operation ..................................................................... 19
Installing the oil supply as a single line system ..................................... 21
Removing the top panel and opening the control unit enclosure ........... 22
Routing connecting cables/leads ........................................................... 23
■
Inserting cables and applying strain relief .......................................... 24
Electrical connections ............................................................................ 24
■
Connecting the pumps ........................................................................ 26
■
Outside temperature sensor
!
.......................................................... 26
■
Connecting the Vitoconnect 100 connecting cable (accessories) ...... 27
■
Connection of accessories ................................................................. 28
Closing the control unit enclosure .......................................................... 28
Connecting the fire safety switch (for
a
only) ..................................... 29
Fitting the panels and connecting the programming unit ....................... 30
4. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 31
5. Codes Code 1 ................................................................................................... 57
■
"General" ........................................................................................... 57
■
"Boiler" .............................................................................................. 58
■
"DHW" ................................................................................................ 59
■
"Solar" ............................................................................................... 59
■
"Heating circuit..." ............................................................................ 60
Code 2 ................................................................................................... 63
■
"General" ........................................................................................... 64
■
"Boiler" .............................................................................................. 67
■
"DHW" ................................................................................................ 68
■
"Solar" ............................................................................................... 69
■
"Heating circuit..." ............................................................................ 72
6. Diagnosis and service
checks
Calling up the service level .................................................................... 77
■
Exiting the service level ...................................................................... 77
Diagnosis ............................................................................................... 77
■
Checking operating data ..................................................................... 77
■
Brief scan ............................................................................................ 78
Testing outputs (relay test) ..................................................................... 79
7. Troubleshooting Fault display ........................................................................................... 80
■
Calling up fault codes from the fault memory (fault history) ............... 80
Index
Index
6136330