Installation instructions / operating instructions – profi-air flat / flex connection box 1 General information The profi-air connection box extends the range of electric connection options of a ventilation unit from the profi air flat / flex product line. 1.1 Introduction These installation and operating instructions are intended to help you install a fully functional connection box and properly operate it.
Installation instructions / operating instructions – profi-air flat / flex connection box 2 Intended use The profi-air connection box extends the range of electric connection options for the ventilation units from the profi-air flat / flex product line. It is connected directly to the mainboard of the ventilation unit. 3 Structure The connection box consists of a control board with various inputs and outputs.
Installation instructions / operating instructions – profi-air flat / flex connection box 6 Wiring diagrams 6.1 Modbus (connection to the ventilation unit) The Modbus connection is used to connect the connection box to the mainboard of the ventilation unit. For information on the connection, please consult the installation and operating instructions of the ventilation unit.
Installation instructions / operating instructions – profi-air flat / flex connection box 6 Wiring diagrams 6.3 Humidistat input profi-air room humidistats (cat. no. 78300841) can be connected to this input. If the set value at the room humidistat is exceeded, the control system switches the ventilation unit to mode 3.
Installation instructions / operating instructions – profi-air flat / flex connection box 6 Wiring diagrams 6.4 Standby input The input can be used to connect a standby switch to the ventilation unit. Contact closed – ventilation unit in operation ■ Contact open –...
Fail Installation instructions / operating instructions – profi-air flat / flex connection box Alarm T1GTC 6 Wiring diagrams 0 - 10V Hygro- stat 6.5 External fan activation input The input can be used to control the fan mode of the ventilation unit with the help of a 0-10 V signal. The activation is carried out Standby as in the following diagram.
Installation instructions / operating instructions – profi-air flat / flex connection box 7 Warranty Deviating from the applicable GTCs, the manufacturer grants a warranty of 24 months from the time of completion of the installation for the connection box. Warranty claims can only be asserted for material and / or construction defects occurring within the warranty period.
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