34
Run the wire from the CO
2
sensor to the circuit board and connect it as shown below:
7. Mount the power supply box in the box for automatic
(pre-drill 2 holes for the screws).
8. Connects as shown in the electrical diagram below.
9. Reinstall the counterflow heat exchanger.
Remember to reinstall the T4 sensor.
The three wires are connected as follows:
GND: Blue
Out: Black
24V: Brown