Zehnder Rittling ComfoAir 70 Installation Notes

Also see for ComfoAir 70: Operating and installation instructions Installation notes Installation notes Operating and installation instructions Operating manual and assembly

Contents

electrical connection

Zehnder Rittling ComfoAir 70 Installation Notes Manual pdf 9 page image

9FunctionalityThe control panel has touch-sensitive buttons, which means therespective operating functions aretriggered by touching the relevantbuttons. The ventilation unit can beoperated at the same time with theinternal and the external controlpanel. The button assignmentsand the LED signalling in bothcontrol panels are identical interms of functions.InstallationThe cable and an in-wallswitch box for the externalcontrol panel must be installed inadvance on site. On the ventilationunit side, the cable connection forthe external control panel mustbe established in the course ofconnecting the power supply.Electrical connectionVentilation unit side:The wires of the connecting cableare to be connected to the BUS X7clamping point on the ventilationunit control board according tothe colour coding.The 4-pin plug-in connector isthe connecting link between theconnecting cable and the on-site cable for the external controlpanel.The wires of the cable for theexternal control panel are to beconnected to the plug-in connectorwith the screw-type terminals onthe ventilation unit.Colourcoding forconnectingcablePlug-in connector forconnecting cableColourcodingfor externalPDASpring-typeterminalScrew-typeterminalWhite - -Yellow A AGreen B BBrown + +Tab.2: Colour codingControl panel side:The cable wires are to beconnected to the +, B, A, - spring-type terminals on the controlpanel connection board accordingto the colour coding. Guide theExternal control panel