We have an extensive library of various bOS configuration examples. Select your heating pump, AC, TV or almost any other device and import it to your smart building configuration. We also encourage all system integrators and DIYs to add their own examples to ComfortClick library.

Westaflex WAC 351 icon

Westaflex WAC 351

Integration of WAC 351 ventilation unit


The central home ventilation system WAC 351 is an efficient and energy-saving ventilation unit for residential buildings and apartments. The heat recovery minimizes the ventilation heat losses. The ventilation unit is also equipped with a rotary heat exchanger. The thermal efficiency of the central unit is 80%.

Device preparation

For the first time installation, make sure to follow the instructions in their official manual on the wiring and setup for installation in the project.


Download the example from our website and import it into your configuration. Step by step instructions on how to import are available in our instructional video.

Example provides every basic feedback information for the ventilation unit such as fire alarm, frost alarm, every air input/output alarm with each modbus address. If a different ventilation unit model is used, some addresses need to be tweaked in order to receive correct feedback.


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