Viessmann Vitodens 100-W B1HF Series User Manual

Installation and service instructions
for contractors
VIESMANN
Vitodens 100-W
Type B1HF, B1KF, 3.2 to 32 kW
Type B1HF-M, B1KF-M (for multiple connection), 5.7 to 32 kW
Wall mounted gas condensing boiler
Natural gas and LPG version
VITODENS 100-W
6167586 GB 12/2020
Please keep safe.

Viessmann Vitodens 100-W B1HF Series Specifications

General

Heat Exchanger Material	Stainless steel
Installation	Wall-mounted
Output Range	4.7 to 35 kW
Fuel Type	Natural gas or LPG
Ignition	Electronic
DHW Preparation	Optional with external tank
Type	Condensing Gas Boiler
Efficiency	Up to 98%
Control	Vitotronic Control Unit
Heating Circuit	Single

Summary

Safety instructions

Safety instructions for working on the system

Provides critical safety guidelines for performing work on the heating system.

Safety instructions (cont.)

Safety instructions for operating the system

Index

Preparing for installation

Steps and requirements before installing the boiler unit.

Installation sequence

Detailed steps for the physical installation of the boiler.

Commissioning, inspection, maintenance

Procedures for starting up, checking, and maintaining the system.

Index (cont.)

Function description

Details on the operational functions and features of the appliance.

Information (cont.)

Product information

Overview of the Vitodens 100-W model and its features.

Preparing for installation

Preparing for installation (cont.)

Installation sequence

Installation sequence (cont.)

Mounting the boiler and making connections

Instructions for mounting the boiler and connecting pipes.

Electrical connections

Electrical connections (cont.)

WiFi operational reliability and system requirements

WiFi operational reliability and system... (cont.)

Commissioning, inspection, maintenance

Commissioning the system

Commissioning via commissioning assistant

Step-by-step guide using the built-in commissioning assistant.

Commissioning via software tool

Instructions for commissioning using external software tools.

Commissioning the system (cont.)

Commissioning assistant sequence

Final parameters and settings for the commissioning assistant.

Switching WiFi ON/OFF

Instructions for activating and deactivating the WiFi module.

Filling the heating system

Step-by-step guide for filling the heating system with water.

Filling the heating system (cont.)

Venting the heating system

Procedure for venting air from the heating system.

Venting the heating system (cont.)

Removing the front panel

Checking the static pressure and supply pressure

Checking the static pressure and supply pressure (cont.)

Function sequence and possible faults

Troubleshooting common operational sequences and faults.

Function sequence and possible faults (cont.)

Setting the maximum heating output

How to adjust the maximum heating output limit.

Adjusting pump rate of integral circulation pump

Setting the speed and flow rate of the circulation pump.

Adjusting pump rate of integral circulation pump (cont.)

Leak test on balanced flue system (annular gap… (cont.)

Removing the burner

Steps for safely removing the burner unit.

Removing the burner (cont.)

Checking the burner gasket and burner gauze assembly

Checking and adjusting the ignition and ionisation electrodes

Checking the back draught safety devices (cont.)

Checking the condensate drain and cleaning the trap

Maintenance of the condensate drain and trap.

Checking the condensate drain and cleaning the… (cont.)

Installing the burner

Checking the flow limiter (only for gas condensing combi boiler)

Checking the expansion vessel and system pressure

Verifying the expansion vessel and overall system pressure.

Checking the expansion vessel and system… (cont.)

Checking all gas equipment for leaks at operating pressure

Performing leak tests on gas components at operating pressure.

Checking the combustion quality

Checking the combustion quality (cont.)

Regulating to the upper/lower heating output

Adjusting the burner output for heating modes.

Adjusting the heating curves

Setting and modifying the heating curves.

System configuration (parameters)

Calling up parameters

Guide to accessing and navigating system parameters.

Diagnosis and service checks

Service menu

Accessing and navigating the service menu.

Diagnosis

Checking operating data

How to view and analyze the system's operational data.

Troubleshooting

Fault display on the programming unit

Interpreting fault codes displayed on the programming unit.

Calling up fault messages from the fault memory (message history)

Accessing the history of stored fault messages.

Troubleshooting (cont.)

Fault messages

Detailed list and explanations of system fault messages.

Function description

Heating mode

Appliance functions (cont.)

Set room temperature

Changing the slope and level

DHW heating

Connection and wiring diagram

HBMU heat management unit

Connection and wiring diagram (cont.)