MOUNTING OF SWITCHES 27
CONNECTION OF WIRED 3-POSITION SWITCH OR A 3-FOLD
SWITCH MODULE
For connecting a wired 3-position switch, on the bottom of the ventilation unit
the circuit board compartment must be opened so as to be able to reach the
circuit board:
Then the correct cable must be guided to the circuit board via the slot with
grommet provided for this purpose in the ventilation unit. As the last step, con-
nect the cable to terminal X9 “Connection of 3-position switch”, according to
the following diagram.
CONNECTION
OF WIRED
CONTROLS
L1 and L3 closed = high (position 3)
L1 and L2 closed = medium (position 2)
L1 open = low (position 1)
L1 is connected to connection C
L2 is connected to connection 1
L3 is connected to connection 2
Provided grommets in
ventilation unit
3-position switch or
3-fold switch module
Circuit example 3-position
switch NIKO
(type 170-45900 + xxx-659336)
Circuit board
Brown
Yellow/green
Blue
