Lunos Nexxt, Installation Manual, Page: 45 / 54

45
EN
②
Manual switching of the volume flow stages over an external two
-
pole button:
L1 = Volume flow stage more; L2 = Volume flow stage less
Note: DIP switch 2 must be in position OFF for that.
2
-
toggle switch 2
-
pole
Jumper
Manual switching of the volume flow stages over an external single - pole button on L1 and
simultaneous operation of one or more air - extraction fans over coupling on L2 for the com-
pensation of the additional vacuum pressure arising from the exhaust - air ventilators.
L1: 1x key: Volume flow stage more; 2x key: Volume flow stage less
Note: DIP switch 2 must be in position ON for that.
Silvento ec Silvento ec Silvento ec
Switch
Two - pole
Key
One - pole