Viessmann WB3A Manuals

Manuals and User Guides for Viessmann WB3A. We have 1 Viessmann WB3A manual available for free PDF download: Service Instructions Manual

Viessmann WB3A Service Instructions Manual (128 pages)

Wall mounted gas fired condensing boiler. Natural gas and LPG version. 4.2 to 13.0 kW

Brand: Viessmann | Category: Boiler | Size: 5 MB

Table of Contents
4
Initial Start-Up, Inspection, Maintenance
7
Further Details Regarding the Individual Steps
7
Filling the Heating System
7
Venting the Boiler
8
Venting the Heating System
8
Filling the Siphon with Water
9
Selecting the Language (if Required) - Only for Weather-Compensated Control Units
9
Setting the Time and Date (if Required) Only for Weather-Compensated Control Units
10
Checking the Gas Type
10
Changing the Gas Type (Only for Operation with LPG)
11
Function Sequence and Possible Faults
11
Checking the Static and Supply Pressure
13
Checking the Combustion Quality
15
Setting the Maximum Output
16
Checking the Balanced Flue System for Soundness (Annular Gap Check)
17
Removing the Burner and Checking the Burner Gasket (Replace Gasket Every Two Years)
18
Checking the Burner Gauze Assembly
19
Checking and Adjusting the Ignition and Ionisation Electrodes
20
Cleaning the Combustion Chamber/Heating Surfaces and Fitting the Burner
21
Checking the Condensate Drain and Cleaning the Siphon
22
Checking the Diaphragm Expansion Vessel and System Pressure
22
Checking All Gas Equipment for Soundness at Operating Pressure
23
Checking the Ionisation Current
24
Matching the Control Unit to the Heating System
25
Connecting the Weather-Compensated Control Unit into the LON System (E.g. with the Vitotronic 050)
31
Implementing a User Check (in Conjunction with the LON System)
32
Adjusting the Heating Curve (Only for Weather-Compensated Control Units)
33
Instructing the System User
37
Scanning and Resetting the "Maintenance" Display
37
Coding Code 1
39
Code 2
42
Resetting Codes to the Delivered Condition
61
Service Scans
63
Service Level Overview
63
Temperatures, Boiler Coding Card and Brief Scans
63
Checking Outputs (Relay Test)
67
Scanning Operating Conditions and Sensors
69
Troubleshooting Fault Display
72
Calling up Fault Codes from the Fault Memory (Fault History)
73
Fault Codes
74
Repairs
83
Function Description
93
Constant Temperature Control Unit
93
Weather Compensated Control Unit
94
Extensions for External Connections (Accessories)
96
Control Functions
100
Electronic Combustion Control Unit
105
Designs
106
Connection and Wiring Diagrams Internal Connections
106
Connection and Wiring Diagrams External Connections
107
Parts Lists
109
Specification
122
Certificates
123
Declaration of Conformity
123
Manufacturer's Certificate According to the 1St Bimschv [Germany]
124
Keyword Index
125

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Viessmann WB3A Service Instructions Manual (128 pages)

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