FirePro® Sigma XT

This is the standard control and indicator panel for a FirePro fire suppression system.

With three co-incidence detection zones as standard, FirePro release is 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.

To protect against unwanted automatic release of FirePro caused by extraneous smoke detector contamination and or dust, we advise the installation of one zone utilising smoke detection and the other detection using heat detection. This way, FirePro will only release on a confirmed fire, following the pre-determined release timer.

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Overview
Resources

Designed and manufactured to the highest standards in a quality controlled environment and with European EN12094-1 approvals, the Sigma XT extinguishant releasing panel offers outstanding value and performance for all small to medium fixed fire-fighting 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 Sigma XT allow the functionality of the system to be extensively modified while still complying with the requirements of the controlling standard for the equipment (EN12094-1, EN54-2 and EN54-4).

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 extinguishant system status.

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

Sigma XT is supplied in an enclosure that matches the design and colour of the Sigma CP range.

Features

Approved to EN12094-1, EN54-2 and EN54-4
Three detection zones as standard
Any single zone or any combinations of zones can be configured to release
Configurable first stage sounder 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

Specification

Construction	1.2mm mild sheet steel
IP Rating	IP30
Finish	Epoxy powder coated
Colour - lid & box	BS 00 A 05 grey - fine texture
Colour - controls plate & labels	RAL 7047 light grey - satin
Weight	6kg
Mains supply	230V AC, 50Hz +10% - 15% (100 Watts maximum)
Mains supply fuse	1.6 Amp ( F1.6A L250V)
Power supply rating (1 & 2 area units)	3 Amps total including battery charge 28V +/- 2V
Maximum ripple current	200 millivolts
Battery charge voltage	27.6VDC nominal (temperature compensated)
Battery charge current	0.7A maximum
Battery fuse	20mm, 3.15A glass
Current draw in mains fail condition	0.095A
Max. current draw from batteries	3A
Sounder outputs	24V fused at 500mA with electronic fuse
Fault relay contact rating	30VDC 1A Amp maximum for each
Fire relay contact rating	30VDC 1A Amp maximum for each
Local fire relay contact rating	30VDC 1A Amp maximum for each
First stage contact rating	30VDC 1A Amp maximum for each
Second stage contact rating	30VDC 1A Amp maximum for each
Extract contact rating	30VDC 1A Amp maximum for each
Zone quiescent current	2mA maximum
Terminal capacity	0.5mm2 to 2.5mm2 solid or stranded wire
Number of detectors per zone	Dependent on type - typically 20
Number of sounders per circuit	Dependent on type and current consumption
Detection circuit end of line	6K8 +/- 5% ½ Watt resistor
Monitored input end of line	6K8 +/- 5% ½ Watt resistor
Sounder circuit end of line	10K +/- 5% ¼ Watt resistor
Extinguishant output end of line	1N4004 Diode
No. of detection circuits	3
No. of sounder circuits	2 x 1st stage, 1 x 2nd stage
Extinguishant release output	Fused at 1 Amp
Extinguishant release delay	Adjustable 0 to 60 seconds (in 5 second increments)
Extinguishant release duration	Adjustable 60 to 300 seconds
SIL, AL, FLT, RST inputs	Switched -ve, min resistance 0 ohms, max resistance 100 Ohms
Zone normal threshold (Allowable EOL)	8K ohm to 1K ohm
Detector alarm threshold	1K ohms to 400 ohms
Call point alarm threshold	399 ohms to 100 ohms
Short circuit threshold	99 ohms to 0 ohms
Head removal condition	15.5 to 17.5 volts
Cabling	FP200 or equivalent
Monitored inputs normal threshold (Allowable EOL)	10K ohm to 2K ohm
Monitored inputs alarm threshold	2K ohms to 150 ohms +/- 5%
Monitored inputs Short circuit threshold	140 ohms to 0 ohms +/- 5%
Status unit/Ancillary board connection	Two wire RS485 connection (EIA-485 specification)
Status unit power output	21 to 28V DC. Fused at 500mA with electronic fuse

Files

Sigma XT Datasheet

Download File

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