GEZE THZ Montageanleitung Seite 41

Staircase control unit THZ
5.3.5 Connecting the drives
à Drives 24 V DC, max. 3.4 A
Connection of standard drive or IQ windowdrives without distinction
between ventilation and RWA operation
1st motor Isolate
Conductor 3
Motor
24 V DC
1 2 3
Alternative connection possibilities:
Connection of motors with integrated
line monitoring
Last motor
= – +
Motor
24 V DC
= + –
1 2 3
3× ... mm
2
(calculate cable
cross-section)
1 2 3
V22
V68
X8
X9
X 2
S9
Removing the conductor at the motor terminal
Use a screwdriver to press on the terminal as shown in the figure
X
below and release the conductor (1).
Calculating cross-sections for motor cables
Min. cable cross-section 1.5 mm
Cable cross-section =
2nd motor Last motor
IQ window IQ window
drive drive
A B S L A B S L
bridge
Branching box
*) Alternatively: Use GEZE Cable end module LEM,
ID.no. 166090
X3 X4
V5 V87 V86 V85 V84
K K
K
X10 X11
1
2
Cable length × Total current of all the drives
73
bridge
*)
2x Diode 1N4007
Resistor 2k2
3 WH
2 BK
1 BK
X5
V25 V38 V81 V82 V83
K
X6
X1
Connecting retention magnets or
electro-magnetic lock (max. 0.8 A)
–
1 2 3
Parameter "Motor operating mode" has to
be set to retention magnet
Connecting the THZ control unit
Connection of IQ windowdrives
with distinction between
ventilation and RWA operation
Install 1 resistor 2k2,
2 diodes, 1N4007 in last
*)
branching box for line
monitoring
Last drive
Signal
IQ windowdrive
1st drive
Signal
IQ windowdrive
4×... mm
2
(calculate cable
cross-section)
+24 V
Function relay alarm:
If alarm is triggered,
+24 V DC is applied
to the "Signal" line
1 2 3
Relay PA1 has to be configured to
alarm
+
X7
*)
41