Viessmann Vitodens 100-W B1HA 35 User Manual

Installation and Service
Instructions
VITODENS 100-W
5784 568 - 18 04/2020
for use by heating contractor
Vitodens 100-W B1HA/B1KA
Models 26 to 125
Wall-Mounted, gas-fired condensing boilers
On demand domestic hot water with Combi boiler
Read and save these instructions
for future reference.
IMPORTANT
Please file in Service Binder
Heating input: 21 to 125 MBH
6.2 to 36.6 kW
H

Viessmann Vitodens 100-W B1HA 35 Specifications

General

Model	Vitodens 100-W B1HA 35
Category	Boiler
Output	35 kW
Efficiency	Up to 98% (Hs) / 109% (Hi)
Installation Type	Wall-mounted
Heat Exchanger Material	Stainless steel
Modulation Range	1:6
Max. Flow Temperature	85 °C
Type	Wall-mounted
Fuel Type	Natural Gas
Water Pressure	1-3 bar

Summary

Safety

Safety, Installation, and Warranty Requirements

General safety, installation, and warranty guidelines for the boiler.

Important Regulatory and Installation Requirements

Codes and Standards Compliance

Ensures installation adheres to applicable local and national codes.

Installation

Boiler Mounting Procedures

Instructions for wall-mounting the boiler bracket on various surfaces.

Connections

Gas Connection and Piping Practices

Gas piping codes, practices, and pressure testing requirements.

Safety Connections

Installation of safety devices like pressure relief valves.

Troubleshooting

Troubleshooting Steps and Diagnosis

General approach to diagnosing and correcting system faults.

Fault Diagnosis Table

Detailed table of fault codes, causes, and corrective measures.

Additional Information

Burner Program Sequence of Operation

B1HA Wiring Diagram

Electrical wiring diagram for B1HA models.

B1KA Wiring Diagram

Electrical wiring diagram for B1KA models.

Lighting and Operating Instructions