If the operating voltage is not con-
nected, the door release and WLAN
interfaces will not work.
Electrical voltage
Mounting, installation and servicing
work on electrical devices may only
be performed by a suitably qualified
electrician.
Electrostatic charging
As a result of electrostatic charging,
direct contact with the circuit board
can result in destruction of the
device. Direct contact with the circuit
board must therefore be avoided.
Note
For use only in dry indoor atmos-
pheres.
Scope of supply
• IQ HTA (base plate and housing
with circuit board)
• Receiver
• No-tangle cord
• Operating instructions for the end
customer
• This product information
Terminal assignment
11, 9
Loudspeaker
12, 9
Microphone
1
Audio privacy function
b, c
Call generator supply
7
Door call
10
Story call
G
Gong signal
6.1/I
Door opener
(Potential-free contact)
4
6.2/II
Light button
(Potential-free contact)
DC, DC Operating voltage
Mounting
Strip back cable to appr. 80 mm.
1 Recommended mounting height
appr. 1.50 m/4.9 ft to centre device.
2 Open the device from the back
by releasing the base plate with the
locking Lever.
3 When mounting directly on the
wall, fasten the base plate using
4 screws, paying attention that
the plate is the right way up (top
marking).
4 When mounting on a switch box,
use the screw openings in the centre
of the device, paying attention that
the plate is the right way up (top
marking).
5 Install in accordance with the
wiring diagram. The cores of the
installation cable must be stored
inside the free installation space in
the base plate.
6 Insert the coloured plug of the
spiral cable into the socket at the
housing. A distinct click is audible
when the plug is correctly inserted.
7 Insert the other end of the spiral
cable into the receiver until the plug
clicks audibly into place. This con
nection can no longer be detached.
8 Hook the housing into the base
plate from above and close by
exerting a slight pressure.
9 If feedback appears during the
call after the telephone has been
replaced please move the sliding
switch S102 to the right.
Dismantling
10 To remove the housing, press
the lock upwards using a flat blade
screwdriver. The circuit board and
receiver remain on the upper part of
the housing.
Circuit diagrams
11 Terminal diagram with inhouse
telephones from different series
without audio privacy function.
12 Terminal diagram with inhouse
telephones from different series with
audio privacy function.
13 (S104 > )
Comparison of previous Siedle in
house telephones in circuits without
audio privacy function. Use with
door loudspeakers TLM 611-...,
TLM 511-..., TLE 051-02
14 (S104 > )
Comparison of previous Siedle in-
house telephones in circuits with
audio privacy function. In a system
with audio privacy, the supply must
be provided by an NG 402-02 or
NG 402-03. Set switch to audio
privacy. Use with door loudspeakers
TLM 611-..., TLM 511-...,
TLE 051-02
Remarks
a) With several call button modules
in the door loudspeaker, connection
of the terminals c, b and 6 must
agree.
b) Terminal b is only required for
three-tone chime or for connection
of the storey call button ERT.
* Terminal for storey call button ERT
** Insert jumper between terminal
8/c and 6.1
*** If a control unit LN 1983 a/b is
present, this must be exchanged by
the UG 503-...
c) In the case of older devices with
storey call, the storey call must be
connected to terminal 10 if you
change to Series 711 devices or
newer.
Specifications IQ HTA
Operating voltage: 12–30 V DC
Operating current: max. 300 mA
Contact type: 2 n.o. contacts 24 V,
1 A
Ambient temperature:
+5 °C to +40 °C
Dimensions (mm) W x H x D:
91 x 201 x 48
Specifications PSM 1 12 24
Operating voltage: 110–240 V AC,
50/60 Hz
Operating current: 265 mA
Output voltage: 24 V DC +/-3 %