TSA-1000
© 2008
–
2012 Telefire Fire & Gas Detectors Ltd
Revision 1.12
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11.1.4
Cabling Planning – Activation Lines and 24Vdc Out
Use a 2-wire cable, 12 – 18 AWG (0.8 to 3.3 mm
2
) for Activation Lines and 24Vdc Out
connections.
The length of activation lines and 24Vdc out cabling depends on the required current
and cable size. Ensure that the maximum voltage drop to the end of the line at full load
does not exceed 3V and will leave the last device the minimal operating voltage as per
the manufacturer's specification.
11.1.5
Cabling Planning – Shielded Cables
It is highly recommended to avoid outdoor wiring due to the increased susceptibility to
lightning strikes. Overhead cables running between buildings or on roofs should be
shielded. The shield should be connected to the ground by using the Master Ground
Terminal in the control panel. Grounding should not be connected to any other points.
Ensure continuous grounding by soldering.
i
Note
When installing a system at a site adjacent to high power cables, heavy
industrial machinery, or any kind of high electromagnetic fields, shielded
cables should be used and an EPI-3000 module should be connected to each
TSA-1000.
11.1.6
Cabling Planning – RS-485 to RM-1000 Remote Panels and
Control Panel Networks
RM-1000 remote annunciators connected to the control panel to a 4 wire cable. A pair
of RS 485 data cable from the control panel and a pair of 24 volts DC from the control
panel or an external power supply such as the TPS 34.
Cabling will be done as per the recommendation of RS485 and local fire regulations –
the more stringent of the two. Long distance cables or cables between buildings or
rooftops shall be shielded.
The cabling from the control panel to the remote panels is in linear (bus) topology.
Maximum total cable length is 1,220 m.
11.1.7
Activation Matrices Planning
Plan the activation logic according to the requirements of the consultant.
11.1.8
Extinguishing Device Planning
Size and quantity of extinguishing cylinders shall be calculated by authorized personnel
in accordance to the requirements of the consultant and local regulations.
11.2
Mounting
11.2.1
Environmental Limits
The TSA-1000 is a class A (-5°C to +40°C, RH max 95%) temperature range device.
Its environmental protective level is IP30.
i
Note
See "installation instructions" for information about maintaining the protection
level