Electrical after-heating elementAn after-heating element is necessary if you want to control the supply air temperature.The electrical after-heating element can be purchased for installation in the supply air duct. Therequired sensor and connectors for the unit are included.RJ 45 plug is cut off at the crimp sleeve collection and cord are mounted in the PCB.ATTENTIONT7 temperature sensor is mounted at the air heater. T2 sensor MUSTbe disconnected from thecircuit board. The T7 sensor should then be connected to where the T2 sensor was previouslyconnected up.1x230V ~ 50 Hz max. 16AMin. 50 cm Min. 32 cmT7T70-10VGNDT20-10VGNDT7Wiring diagrams are supplied with the products.Run the wires along the duct and through a grommet on the unit down to the circuit board. Connect thewires in accordance with the wiring diagram.ATTENTIONThe heating element must be insulated with a fire retardant insulation material. The cover ofthe connection box, however, must not be insulated.Dimensional drawing:Ø16027037050 5050Positioning options:Combi 302 Polar Top (English) BY NILAN19