Viessmann Vitodens 050-W B0KA-M Installation And Service Instructions Manual
Wall mounted gas condensing boiler
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- Installation and service instructions manual (100 pages)
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Installation and service instructions
for contractors
Vitodens 050-W
Type B0HA, B0KA, 3.2 to 32 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
Type B0KA-M (for multiple connection), 7.0 to 25 kW
Wall mounted gas condensing boiler
Natural gas version
Gas Council No.
B0KA: 47-819-55, 47-819-57, 47-819-58
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B0KA-M: 47-819-56
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B0HA: 41-819-63, 41-819-64
VITODENS 050-W
6221465 GB
3/2024
VIESMANN
Please keep safe.
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Table of Contents
Related Manuals for Viessmann Vitodens 050-W B0KA-M
Summarization of Contents
Safety Instructions
Safety Instructions Explained
Definitions of safety symbols and warnings.
Target Group and Regulations
Identifies intended users and compliance requirements.
Safety Precautions for System Work
Key safety steps for installation and maintenance.
Auxiliary Components and Spare Parts
Guidance on using approved parts and potential risks.
Repair Work Guidelines
Procedures and precautions for repair activities.
Safety Instructions for Operating the System
Gas Safety Procedures
Actions to take if gas is smelled.
Flue Gas Safety Procedures
Actions for detecting flue gas.
Water Leakage Precautions
Steps to take for water leaks.
Condensate Handling and Flue Systems
Safety regarding condensate and combustion air.
Extractor Fan Interaction Safety
Warning about negative pressure from extractors.
Information
Disposal of Packaging
Instructions for environmentally sound packaging disposal.
Gas Council Numbers and Symbols
Identification numbers and visual indicators used in the manual.
Intended Use and Product Overview
Specifies allowed usage and general product features.
System Examples and Spare Parts
Illustrative configurations and information on obtaining parts.
Preparing for Installation
Model-Specific Installation Dimensions
Technical drawings for 19/25 kW and 32 kW models.
Pre-Plumbing Jig and Wall Mounting Preparation
Steps for preparing the installation site and jig.
Water Connections and WiFi Requirements
Setup for DHW, cold water, and WiFi connectivity.
WiFi Signal Range and Penetration
Factors affecting WiFi performance and optimization.
Installation Sequence
Removing the Boiler from Packaging
Step-by-step guide for unpackaging the unit.
Mounting the Boiler and Making Connections
Instructions for attaching the boiler and initial connections.
Fitting the Boiler to the Wall Mounting Bracket
Securing the unit to the wall bracket.
Heating Water and DHW Connections
Detailed guidance on hydraulic connections.
Condensate and Trap Connection
Setting up the condensate drainage system.
Flue Gas and Gas Connections
Procedures for installing flue and gas lines.
Electrical Connections Overview
Diagram of electrical interfaces and connections.
Power Supply and Cable Routing
Requirements for electrical connection and cable management.
Closing Wiring Chamber and Mounting Front Panel
Finalizing the electrical enclosure and casing.
Commissioning, Inspection, and Maintenance
Commissioning Steps Overview
Table outlining commissioning, inspection, and maintenance tasks.
Commissioning the System
Initial setup procedures using the assistant or software tool.
Automatic Flue Gas Sensor Check and WiFi Setup
Post-commissioning checks and WiFi configuration.
Filling and Venting the Heating System
Procedures for filling and removing air from the system.
Checking Gas Type and Front Panel Removal
Setting gas parameters and accessing internal components.
Checking Static and Supply Pressure
Essential checks for the gas supply system.
Function Sequence and Fault Identification
Understanding operational flow and troubleshooting fault codes.
Setting Heating Output and Pump Speed
Adjusting performance parameters for optimal operation.
Checking Balanced Flue System and Burner Adjustment
Ensuring system integrity and multi-boiler setup.
Burner Maintenance Procedures
Steps for removing, checking, and installing the burner components.
Checking Safety Devices and Cleaning Surfaces
Verifying safety features and heat exchanger cleaning.
Condensate Drain Maintenance and Neutralising System Check
Cleaning the drain and checking the neutraliser.
Checking Flow Limiter and Expansion Vessel
Verifying hydraulic components and system pressure.
Checking Combustion Quality and User Instruction
Ensuring optimal performance and user handover.
System Configuration (Parameters)
Accessing and Understanding Parameters
How to view and modify system settings.
Scald Protection and Pump Speed Settings
Configuring safety and hydraulic performance parameters.
Heating Output and Energy Saving Settings
Adjusting heating limits and efficiency functions.
Diagnosis and Service Checks
Service Menu and Operating Data Overview
Navigating diagnostic menus and viewing operational data.
Calling Up Specific Operating Data
Accessing detailed operational readings.
Troubleshooting
Fault Display and Message Retrieval
How to identify and access fault codes.
Detailed Fault Messages and Causes
Comprehensive list of fault codes, system characteristics, and causes.
Overview of Electronics Modules
Identification of key electronic components.
Repairs
Shutting Down the Boiler and Boiler Removal
Safety procedures and steps for detaching the boiler.
Checking Temperature Sensors
Procedures for testing various temperature sensors.
Checking Flue Gas Temperature Sensor and Faults
Specific diagnostics for the flue gas sensor and commissioning errors.
Replacing Major Components
Instructions for replacing the HBMU, power cable, and HMI cable.
Checking and Replacing Heat Exchanger/Hydraulic Unit
Maintenance and replacement of key hydraulic parts.
Checking the Fuse
Procedure for inspecting and verifying the fuse.
Function Description
Appliance Functions Overview
Explains heating modes, venting, filling, and heating curves.
DHW Heating and External Circuit Hook-up
Describes hot water generation and optional external heating circuits.
Connection and Wiring Diagram
HBMU Heat Management Unit Wiring Diagram
Detailed schematic of electrical connections for the HBMU.
Commissioning/Service Reports
Service Report Template
Forms for recording test values and service details.
Specification
Gas Condensing Combi Boiler Technical Data
Detailed specifications for heating output, gas, and electrical parameters.
Flue System Types and Gas Categories
Information on compatible flue systems and gas classifications.
Electronic Combustion Control Unit Details
Information on the combustion control system's operation.
Disposal
Final Decommissioning and Disposal Procedures
Instructions for safe product end-of-life handling.
Certificates
Declaration of Conformity
Regulatory compliance statement for the product.
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