nilan Compact P Installation Instructions Manual page 34

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