![LEGRAND 0 663 40 User Manual Download Page 17](http://html1.mh-extra.com/html/legrand/0-663-40/0-663-40_user-manual_1870855017.webp)
Thermostat with screen
User manual
Everything goes off.
17
4 Programming
4.5 Confirming association
To confirm association between the 2 devices, we recommend following the sequence below:
Press the FAN button on the thermostat and see that the FAN LEDs on the HVAC actuator
come on (not the FAN AUTO function):