5
Siemens Building Technologies
Fire Safety & Security Products
01.2009
Fig. 5
1
Power supplies
2
Mains supply fuse
Connect the mains power supply.
Cable type NYM 3 x 1.5 mm
2
is recommended.
WARNING
Personal risk and danger of device -
damage
z
Ensure that the connection is secure
and the circuit breaker to the supply
circuit is easily accessible when -
operating the unit.
z
Secure the device using a fuse of up
to 16 A. Do not connect external
consumers to this fuse.
z
When working on the device,
disconnect this from the 230 V
supply and from the battery using the
intended cut-off.
1.
Ensure that the mains supply terminal is de-energized.
2.
Remove the mains fuse (2) Fig. 5
3.
Check the protective conductor between the power
supply board and the base of the housing.
4.
Connect the mains to the mains supply terminals
(ground wire E, null N and phase U).
5.
Secure the cable to the clips in the rear wall using
cable ties.
Fig. 6
A
E-bus from control unit
B
E-Bus to other accessories
E-Bus
Cable type IYSTY 2 x 2 x , Ø 0.6 mm is recommended.
The total length of the E-Bus cable must not exceed
500 m.
The power supply unit circuit board SMP14 and the
option (SMT12) must be connected to the central control
unit via the E-Bus (B1-, B2, B3, B4+). It may be routed in
parallel to other accessories. If shielded cable is used,
the shield may not be laid on the housing of the SAP14.
The shields of all cables must be connected at one point,
e.g. at one of the NC terminals of SMT12.
Fig. 7
Tamper contact
The tamper contact of the housing must be connected to
the SMT12 circuit board. Refer also to the installation
instructions for the SMT12.
Arcing contact
For the optional arcing contact, use the option SMZ91.
