Leaf Tree

The Leaf Tree is a decentralized ventilation unit with heat recovery that is controlled via Loxone Tree technology. Several units are combined, providing room ventilation. More information about the operating method and a configuration tool for the recommended number of units can be found on the website of our cooperation partner: Leaf Ventilation.

Table of Contents


Install the device according to the manufacturer's installation and operating instructions.

Connect the 24V DC power supply and Tree communication wires. Shortly after power-up, the status LED will blink orange if the wiring is correct (connection to Tree Extension and Miniserver is established).


Then follow the pairing procedure on the Tree Interface.

Maintenance, filter replacement

The fan filter must be replaced or cleaned at regular intervals based on the maintenance manual. The filter change interval can be defined in the Leaf 1 properties. This setting is 3 months (2200h) by default. The actual run-time of the fan is considered. You will be notified of an upcoming maintenance in the user interface.


Summary Unit
API Connector Text

Diagnostic Inputs

Summary Description Unit Value Range
Online Status Leaf Tree Indicates whether the device can be reached by the Miniserver.
Diagnostics for Air devices
Diagnostics for Tree devices
Diagnostics for Extensions
Digital 0/1
Filterwarnung Digital 0/1
Fan error Digital 0/1
Aperture Error Digital 0/1


Summary Description Value Range Default Value
Monitor Online Status When selected, you will be notified via System Status or the Mailer if the device is no longer available or goes offline. - -
Serial Number Specifies the serial number of the device.
For Extensions: Enter 'Auto' to automatically pair an extension with unknown serial number.
This can only be used if there is only one Extension of the same type.
Save into the Miniserver, in order to pair the Extension.
Afterwards the program must be loaded from the Miniserver to transfer the actual serial number of the Extension into the program.
- -
Device type Tree device type - -
Filter Change Interval After this time (in hours) the filter warning becomes active. 2200

Safety Instructions

The installation must be carried out by a qualified technician in accordance with all applicable regulations.

The device must not be used as part of safety-critical systems.

Please note the safety instructions in the following installation and operating manual.


Installation and operating instructions with technical data

Maintenance manual