Abort Switch

DESCRIPTION

  • UL864 and FM listed
  • High brightness LEDs
  • Detailed indication of the status of the control panel
  • Supervised data connection
  • Countdown timer shows time remaining until release
  • Manual only and Automatic & Manual mode select keyswitch option
  • Four wire connection (data and power)
  • Protected dual action manual release switch option
  • Option for zonal fire and trouble indication with buzzer
  • Robust, high quality enclosure
  • Easy access to terminals
  • Remote Auto/Manual door interlock input (supervised)
  • Remote Abort input (supervised)
  • Internal trouble diagnosis indicators

SPECIFICATION

Construction1.2mm mild sheet steel
IP RatingIP30
Colour – lid & boxRed (optional grey)
Power supply21 to 30 V DC
Maximum current draw0.07A
Max. number of status units7
Quiescent current0.033A
Cable capacity2.5mm² per terminal
Monitored inputs end
of line resistor
6K8 0.5W Resistor
Monitored inputs
normal threshold
8K ohm to 1K ohm
Monitored inputs
trigger threshold
700 ohms to 100 ohms
Monitored inputs99 ohms to 0 ohms
Data connectionTwo wire RS485 connection
(max 1200 metres)
Construction1.2mm mild sheet steel
IP RatingIP30
ColourRed (optional grey)
Switch rating1A at 30V DC
Trigger resist470R 1W
End of line resistor6K8 1/2 W

Heat Detector

DESCRIPTION

SHIELD Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature. There are nine heat detectorsin the series range designed to suit a wide variety of operating conditions.

FEATURES

  • Can be used for applications where smoke detectors are unsuitable
  • Ideal environments that are dirty or smoky under normal conditions
  • Wide operating voltage
  • Flashing LED option
  • Flashing LED and magnet operated test switch option

Smoke Detector

DESCRIPTION

SHIELD Photo-Electric Smoke Detector incorporates a pulsing LED located within the housing of the detector. The detector housing is identical to that of the Ionization Detector but has an indicator LED which is clear in quiescent state but produces red light in alarm.

FEATURES

  • Responds well to slow-burning, smoldering fires
  • Well suited for bedrooms and escape routes
  • Unaffected by wind or atmospheric pressure
  • Wide operating voltage
  • Flashing LED option
  • Flashing LED and magnet operated test switch option

Control Panel

DESCRIPTION

Designed and manufactured to the highest standards in a quality controlled environment and with UL & FM approvals, the Shield A-XT releasing panel offers outstanding value and performance for all small to medium fixed firefighting installations.

With three detection zones as standard, extinguishant release can be configured to activate from any combination of detection zone inputs to allow ( among other combinations) any two from three type activations such as would be required for detection in ceiling void, room and floor void applications.

The extensive configuration options of the Shield A-XT allow the functionality of the system to be extensively modified.

The panel contains a large LED display to enable easy configuration and control which also displays the time remaining until extinguishant release for added user safety.

The countdown timer is duplicated on up to seven remote status units to provide local indication of the system status..

With all of the electronics mounted on a single, easily removable, steel plate Shield A-XT panels are both robust and easy to install..

Shield A-XT is supplied in an enclosure that matches the design and colour of the elite RS range and is available in standard red or optional grey

SPECIFICATION

Construction1.2mm mild sheet steel
IP RatingIP30
FinishEpoxy powder coated
Colour – lid & boxRed RAL 3002 (optional grey
BS 00 A 05 semi-matt)
Mains supply230V AC or 115V AC
Mains supply fuse1.6 Amp (F1.6A L250V)
Power supply rating3 Amps total including battery charge 28V +/- 2V
Maximum ripple current200 millivolts
Battery type (Yuasa NP)Two 12 Volt 7Ah sealed lead acid in series
Battery charge voltage27.6VDC nominal
(temperature compensated)
Battery charge current0.7A maximum
Battery fuse20mm, 3.15A glass
Maximum current draw from batteries3 Amps
Quiescent current of panel in mains fail0.095A
R0V outputFused at 500mA
with electronic fuse
Sounder outputs24V Fused at 500mA with electronic fuse
Fault relay contact rating30VDC 1A Amp maximum
Fire relay contact rating30VDC 1A Amp maximum
Local fire relay contact rating30VDC 1A Amp maximum
First stage contact rating30VDC 1A Amp maximum
Second stage contact rating30VDC 1A Amp maximum
Extract contact rating30VDC 1A Amp maximum
Zone quiescent current2mA maximum
Terminal capacity12 AWG
Number of detectors per zoneDependent on type (maximum 32)
NAC rating0.5A per circuit
Detection circuit end of line6K8 5% ½ Watt resistor
Monitored input end of line6K8 5% ½ Watt resistor
Sounder circuit end of line10K 5% ¼ Watt resistor
Extinguishant output EOL1N4004 Diode
No. of initiating circuits3
No. of NAC circuits2 x 1st Stage, 1 x 2nd Stage
Extinguishant release outputFused at 1 Amp
Extinguishant release delayAdjustable 0 to 60 seconds (in 5 second steps)
Extinguishant release durationAdjustable 60 to 300 seconds (in 5 second steps)
SIL, AL, FLT, RST inputsSwitched -ve, max resistance 100 Ohms
Zone normal threshold8K ohms to 1K ohm
Detector alarm threshold999 ohms to 400 ohms
Call point alarm threshold399 ohms to 100 ohms
Short circuit threshold99 ohms to 0 ohms
Monitored inputs normal threshold8K ohms to 1K ohm
Monitored inputs alarm threshold999 ohms to 100 ohms
Monitored inputs Short circuit threshold99 ohms to 0 ohms
Status unit/Ancillary board connectionTwo wire RS485 connection
Status unit power outputFused at 500mA with electronic fuse

Panels

Product CodeDescriptionSize (mm)
S115R-EXTSurface mounting panel – Red 115V368 x 310 x 90
S230R-EXTSurface mounting panel – Red 230V368 x 310 x 90
S115G-EXTSurface mounting panel – Grey 115V368 x 310 x 90
S230G-EXTSurface mounting panel – Grey 230V368 x 310 x 90

FEATURES

  • UL864 and FM listed
  • Three initiation circuits as standard
  • Any single zone or any combinations of zones can be configured to release
  • Configurable first stage NAC delays
  • Configurable detection delays
  • Zero time delay upon manual release option
  • Compatible with I.S. barriers
  • Non-latching zone input option to receive signals from other systems such as aspirating equipment
  • Configurable extinguishant delays up to 60 seconds in 5 second steps
  • Configurable extinguishant duration up to 5 minutes in 5 second steps
  • Countdown timer shows time remaining until release
  • Supports up to seven, four wire status indicators
  • Built in Extract Fan control
Fire Alarm & Detection System - INIM> Product

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