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Installation Instructions
for use by heating contractor
Vitodens 200-W, B2HE
Models 85 to 199
Wall mounted gas-fired condensing boiler with 7 inch color touchscreen display
For operation with natural gas or liquid propane gas
Heating Input: 8.5 to 199 MBH
2.5 to 58.3 kW
VITODENS 200-W
6167 812 - 03
07/2021
H
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference.
Please file in Service Binder
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Table of Contents
Related Manuals for Viessmann VITODENS 200-W B2HE120
Summarization of Contents
Safety
Safety, Installation and Warranty Requirements
Key safety, installation, and warranty guidelines for the heating contractor.
Health and Environmental Hazards
Precautions against contaminated air, carbon monoxide, and proper ventilation.
Operational Safety Directives
Critical warnings regarding venting, contaminated air, and operating without the front cover.
Handling of Fiberglass and Ceramic Materials
Handling precautions and first aid for fiberglass and ceramic fiber materials.
Chemical and Health Hazards
Warnings about toxic/harmful substances in boiler materials and combustion products.
Understanding Instruction Symbols
Explanation of WARNING, CAUTION, and IMPORTANT symbols used in the instructions.
General Information
Important Regulatory and Installation Requirements
Compliance with local codes, electrical standards, and safety device requirements.
User Instruction and Equipment Servicing
Installer's responsibility for user instruction and procedures for safe equipment servicing.
Technical Literature and Product Information
List of available literature for the Vitodens boiler and related components.
High Limit Safety Cut-out Test
Procedure for testing the high limit safety cut-out function on the boiler.
Applicability and Intended Use
Information on boiler serial numbers, part compatibility, and proper usage guidelines.
Product Information and System Examples
Overview of Vitodens 200-W features, components, and reference to system connection schemes.
Fittings and Sealing Points
Requirement to use new gaskets for all connections after opening or loosening.
Mechanical Room Requirements
Recommendations for constructing and preparing the mechanical room for the boiler.
Installation Area Conditions and Contaminants
Precautions regarding ambient temperature, humidity, and contaminants in the installation area.
Before Set-up
Set-up and Minimum Clearances
General setup instructions and recommended minimum clearances for boiler installation.
Dimensional Information
Models 200-W, B2HE 85, 120 Dimensions
Detailed dimensions and connection points for Vitodens 200-W models 85 and 120.
Models 200-W, B2HE 150, 199 Dimensions
Detailed dimensions and connection points for Vitodens 200-W models 150 and 199.
Boiler Connections
Preparing the Connections
Diagrams and legend for preparing boiler connections for models 85/120 and 150/199.
Removing the Front Panel
Step-by-step instructions for safely removing the boiler's front panel.
Wall Mounting Bracket Installation
Instructions for fitting the wall mounting bracket onto concrete walls.
Mounting Bracket Installation on Studs
Procedures for installing the mounting bracket onto wooden or metal wall studs.
Fitting Boiler to Wall Mounting Bracket
Steps for mounting the boiler onto the wall bracket and removing shipping materials.
Repositioning Programming Unit Bracket
Instructions for relocating the programming unit to the top of the boiler for easier access.
Heating and DHW Connections
Making connections for heating water and DHW sides, including pressure limits.
Piping Connection Practices
Proper piping practices for threaded connections, including dope usage and pipe support.
Gas Connection and Piping
Guidelines for gas piping and connection, adhering to codes and sizing requirements.
Gas Piping Pressure Testing
Procedure for performing gas piping pressure tests and leak checks on the system.
Heating Water Connection Procedures
Steps for flushing the heating system and connecting the boiler, including pressure ratings.
Condensate Connection and Drainage
Instructions for connecting the condensate drain, including pump requirements and pipe material.
Filling Siphon Trap and Neutralization Unit
Procedures for filling the siphon trap and information on the neutralization unit.
Domestic Hot Water (DHW) Tank Integration
Using Vitodens 200-W boilers with stand-alone DHW storage tanks and temperature sensors.
Safety Valve Installation and Discharge Piping
Installation of the pressure relief valve, pressure gauge, and discharge pipe requirements.
Flue Gas Connection and Venting Types
Instructions for flue gas connections, venting types, and combustion air requirements.
Electrical Connections and Control Base Setup
Safety precautions and steps for placing the control base in the service position.
Overview of Electrical Connections and Wiring Diagram
Detailed wiring diagram of electrical connections, terminal functions, and code compliance.
On-Site Electrical Connections Routing
Guidelines for bundling and routing cables, avoiding hot components and sharp edges.
Connecting Combustion Air Devices
How to connect motorized combustion air supply devices with or without feedback signals.
0-10V Input for Temperature Control
Specifying target supply temperature or modulation value via the 0-10V input.
Outside Temperature Sensor Installation
Information on fitting locations and wiring for the outside temperature sensor.
Circulation Pump Connections (P1/P2)
Connecting circulation pumps and understanding priority for P1 and P2 connections.
Connecting Plug 66 and 96
Using changeover contacts for fault messages or external demand signals.
CAN Bus System Configuration
Setting the CAN bus terminator switch and connecting boilers in a cascade system.
PlusBus Accessory Connections
Information on connecting accessories via the PlusBus system, including length and cable requirements.
Boiler Power Supply Connection
Details on the pre-installed convenience plug and field wiring for boiler power supply.
WiFi Operational Reliability and Requirements
Requirements for WiFi router, internet connection, and signal range for reliable operation.
Closing the Junction Box
Instructions for correctly closing the junction box lid to ensure proper electrical separation.
Fitting Programming Unit and Front Panel
Steps for installing the programming unit and front panel, including lightguide placement.
Adjusting Integrated Circulation Pump Rate
How to adjust the integral circulation pump speed for heating circuit 1 based on temperature.
Installation Examples
DHW Supply and Return Piping Considerations
Ensuring sufficient pipe diameter for DHW connections to the tank for proper pump utilization.
System Layout 1: Direct Heating Circuit
Diagram and description for a direct-connected heating circuit with DHW production.
System Layout 2: Zone and Low-Loss Header
Diagram for one heating zone and low-loss header with DHW production.
System Layout 3: Underfloor Heating Circuit
Diagram for DHW storage tank and underfloor heating circuit with system separation.
System Layout 4: Mixed Heating Circuits
Diagram for DHW storage tank, direct heating, and mixing valve heating circuits.
System Layout 5: Mixed and Unmixed Heating Circuits
Diagram for DHW storage tank, mixing valve circuit, and unmixed circuit with low-loss header.
System Layout 6: Multiple Mixed Heating Circuits
Diagram for DHW storage tank, unmixed circuit, two mixed circuits, and low-loss header.
System Layout 7: Mixed and Separated Heating Circuits
Diagram for direct-connected heating circuit and heating circuit with system separation.
System Layout 8: Multiple Mixed Circuits with Low-Loss Header
Diagram for DHW storage tank, low-loss header, multiple mixing valve circuits, and one unmixed circuit.
System Layout 9: Four Zone Heating Circuits
Diagram for DHW storage tank, low-loss header, and four zone heating circuits.
System Layout 10: Multiple Boilers and Heating Circuits
Diagram for multiple boilers with mixing valve circuits and low-loss header.
Alternative DHW Connection Methods
Alternative piping diagram for DHW tank connection, applicable to multiple system layouts.
Boiler in Heating/Cooling Application
Installation guidelines for using the boiler in a heating/cooling application with a refrigeration system.
Boiler with Low Water Cut-off
Installation of remote low water cut-off devices and the use of the built-in flow switch.
Connection and Wiring Diagram
Overview of Electrical Connections
Detailed wiring diagram of electrical connections, terminal functions, and code compliance.
Additional Information
Technical Data Overview
Specifications for CSA input, output, net AHRI ratings, and boiler water content.
Boiler Dimensions and Flue Gas Parameters
Physical dimensions of the boiler models and data on flue gas temperature and mass flow rate.
Lighting and Operating Instructions
Safety precautions and step-by-step instructions for operating and turning off the boiler.
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