18
Electrical after heating element
An 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. The required sensor, Expansion PCB and
connectors to the ventilation unit are included.
Run the wires along the duct and through a grommet on the unit down to the circuit board. Connect the wires in accordance with the
wiring diagram.
ATTENTION
The T7 temperature sensor is mounted after the heating element. The T2 sensor must
be disconnected from the circuit
board, and the T7 sensor must then be connected to where the T2 sensor was previously connected.
A
Connection on the CTS602 Expansion PCB:
T7: Temperature sensor (Black)
B
Connection on the CTS602 Light circuit board:
0-10V (Brown) - GND (Blue)
ATTENTION
The heating element must be insulated with a fire retardant insulation material. The cover of the connection box, how-
ever, must not be insulated.
Dimensional drawing: Ø125/Ø160/Ø200 Positioning options:
ATTENTION
The heating element must be activated in the Software under Service
B
A
Min. 50 cm Min. 2 x Ø
T7
CTS602 Light
1x230V ~ 50 Hz max. 16A
9
N
L10
T7
0-10V
GND
T2
Expansions PCB
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