Viessmann WB2B Operations Instructions Page 4
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- Table of contents
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Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance................................... 5
Further details regarding the individual steps .............................................. 7
Coding
Code 1........................................................................................................ 36
Code 2........................................................................................................ 39
Resetting codes to their delivered condition ................................................ 58
Service scans
Service level overview ............................................................................... 59
Temperatures, boiler coding card and brief scans ....................................... 60
Checking outputs (relay test) ...................................................................... 63
Scanning operating conditions and sensors ................................................ 65
Troubleshooting
Fault display ............................................................................................... 67
Fault codes ................................................................................................. 69
Repairs ...................................................................................................... 79
Function description
Constant temperature control unit ............................................................... 90
Weather-compensated control unit .............................................................. 91
Extensions for external connections (accessories) ...................................... 94
Control functions ........................................................................................ 98
Remote control DIP switches ...................................................................... 104
Electronic combustion control unit ............................................................... 105
Designs
Connection and wiring diagram – internal connections ................................ 107
Connection and wiring diagram – external connections ............................... 109
Parts lists .................................................................................................. 111
Commissioning/service reports ............................................................... 117
Specification............................................................................................. 118
Certificates
Declaration of conformity ............................................................................ 119
Manufacturer's certificate according to the 1st BImSchV [Germany]............. 120
Keyword index .......................................................................................... 121
Index
4
Index
5692 672 GB
- VIESMANN 1
- Safety instructions 2
- Safety instructions (cont.) 3
- Filling the heating system 7
- Venting the boiler 8
- Venting the heating system 8
- Filling the siphon with water 9
- 5692 672 GB 10
- Checking the gas type 11
- Setting the maximum output 16
- Burner removal 17
- 2 or O2 content 23
- 2 content. Should the 24
- of the heating curve) 30
- Instructing the system user 34
- Calling up code 1 36
- Overview 37
- Code 1 (cont.) 37
- Calling up code 2 39
- Code 2 (cont.) 40
- Service level overview 59
- Checking outputs (relay test) 63
- Fault display layout 67
- Fault display 67
- Fault display (cont.) 68
- Fault codes 69
- Fault codes (cont.) 70
- Repairs (cont.) 80
- Checking the fuse 87
- Control and display elements 90
- Heating operation 90
- Boosting DHW heating 93
- Internal extension H1 94
- Internal extension H2 95
- External extension H1 96
- External extension H2 97
- Control functions 98
- External blocking 99
- External demand 99
- Venting program 99
- Fill program 99
- Screed drying function 100
- Control functions (cont.) 100
- Reducing the heat-up time 103
- Remote control DIP switches 104
- 2 or O2 content and 105
- 2 /O2 content 106
- 2 content 106
- Parts lists 111
- Parts lists (cont.) 112
- Commissioning/service reports 117
- Specification 118
- Declaration of conformity 119
- Keyword index 121
- Keyword index (cont.) 122
- Applicability 124
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