WS 75 brief instructions

The WS 75 Powerbox is a ventilation unit with heat recovery. The RLS G1 WS room air control (glass touchscreen) is included with the Powerbox. With the RLS G1 WS, you can set the operating modes of the ventilation unit and the ventilation levels. The status LED indicates proper operation, a pending filter change or malfunctions.

These brief instructions contain essential information on the setting options on the RLS G1 WS, on malfunctions and on changing filters.

The enclosed supplementary sheet Safety instructions contains important information for the operator and specialist installer. Read it carefully and completely, before operating, setting, opening the ventilation unit or making changes to the ventilation system. Follow the instructions.

Additional instructions, videos and tutorials

• For information on installation during the shell construction phase → WS 75 shell installation instructions.
• For information on final installation, commissioning and spare parts → WS 75 final installation instructions.
• For information on operation, setting, registration with the Smartphone app or the web tool, as well as maintenance and fault rectification → WS 75 operating instructions.