
Staircase control unit THZ
42
Connecting the THZ control unit
5.3.6 Connecting the vent switch
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When a vent switch is connected without LED display, Terminals 35, 36 and 37 are unused.
37 36 35 33 32 1
7 6 5
3 2 1
+
LED
CL
OSE
CL
OSE
OPEN
OPEN
K
K
K
K
K
K
K
K
K
K
K
K
X5
X6
V83
V81
X1
V38
V84
X11
X10
V86
X3
V5
X9
X 2
V22
S9
V82
V25
V85
X4
V87
V68
X8
Vent switch LTA-24-AZ
5.3.7 Connecting the rain/wind control