Installation of PP 45 HYI humidity sensor
Accessories for PP 45 HYI = internal humidity sensor
ATTENTION: Unit damage/no function if the humidity sensor is installed incorrectly. Do not bend pins. Insert sensor up to stop in bush.

- Switch off the mains fuse and secure it against being switched on again.
- Carefully remove the frame from the control.
- Plug the PP 45 HYI humidity sensor into the I2C interface → arrow.
- Attach the frame of the control. Ensure that the sensor opening (hole in the frame) is positioned over the sensor (ensure correct position) and that the frame snaps into place.
- Start up ventilation system and register humidity sensor in service mode→.Service mode setting parameters.