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Hush2 BS5839-6 Grade C Fire Alarm Controller

H2508

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  • Provides fully monitored BS 5839-6 Grade C compliant fire detection, alarm, silencing and test facilities in flats and apartments.
  • Puts residents in control of their own fire systems by allowing them to test and silence devices whilst standing at floor level.
  • Easily interfaced to:-
    (1) EN54 certified detectors & alarms - providing commercial grade fire protection in domestic dwellings.
    (2) Cooker shut-off relays - to turn off the gas supply in the event of a fire.
    (3) Sprinkler monitoring units - to flag if a sprinkler system is isolated.
    (4) Remote overdoor indicators - to warn people in corridors where a fire may be taking place.
    (5) Communal fire alarm systems - to report fires and faults to areas outside the dwelling (see Networked Hush2 Systems tab below for further details).
  • Lifts the typical level of protection from Grade D (interlinked mains-powered battery-backed alarms) to Grade C.
  • Requires a H2508/PSU & field devices.

By buying this product you can collect up to 27 loyalty points. Your cart will total 27 points that can be converted into a voucher of $5.40.


By buying this product you can collect up to 27 loyalty points. Your cart will total 27 points that can be converted into a voucher of $5.40.


Technical Specifications

Power requirementsExternal 24V PSU. Hush button features a Lithium-ion battery. For 8 devices, provides 72 hour standby, plus 30 minutes alarm period.
Supply/operating voltage24V.
Quiescent current5mA (TBC).
IndicatorsSupply: steady for ext. PSU, flashes for battery; Fault: flashes for an open, short or faulty device; Local Alarm: steady for Fire 1 alarm; Global Alarm: flashes for Fire 2 alarm or monitored input signal; Hushed - steady when system is hushed.
Controls1 x TEST button & 1 x HUSH button - various functions
Product dimensions (mm)146 W x 85 H x 21 D mm (Can be mounted on a standard UK 25mm double gang flush or surface back box).
Construction & finishSupplied on a double gang plastic plate.
IP RatingIP40.
Operating conditions/temperature-5ºC to +40ºC. Max relative humidity: 95%.
NotesMax. length of device circuit: 100m; Max. circuit load: 100mA. More detailed technical specifications to follow.

Documentation

HUSH2 (Stand Alone) Datasheet

Download (2.41M)

HUSH2 Key Advantages

DML0654300 Rev 1

Download (1M)

HUSH2 LD1-2-3 System Spec

Download (50.74k)

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Networked Hush2 Systems

To unleash the full power of HUSH2 you can connect multiple stand-alone HUSH2 systems to a communal C-TEC ZFP CAST protocol addressable fire alarm system (available 2019).

  • Use the Cause & Effect programming of the communal ZFP CAST fire panel to set-up building management approved phased evacuation scenarios that don't put peoples' lives at risk.
  • Program keyswitches at the communal ZFP CAST fire panel that allow the emergency services to evacuate groups of dwellings and/or floors of dwellings without having to climb staircases.
  • Report wiring faults, Stage 1 Fires (optical detector activated) and Stage 2 Fires (heat detector activated or optical detector activated for over a pre-set period) to off-site monitoring centres to ensure potential dangers are reported in real time.

Hush2 Operation & Functions

  • When the HUSH2 system is in its normal state, power is applied to its detection and alarm circuit which is continually monitored for open and short circuit faults.
  • When a fire detector within a dwelling triggers, the system's Alarm sounders and VADs will activate.
  • Depending on the system's configuration, a remote overdoor indicator outside the room and/or cooker shut-off relays may also activate.
  • If multiple HUSH2 systems are connected to a compatible communal fire system, automatic phased evacuation, manual fire brigade evacuation and the off-site reporting of faults and fires may also be possible (see Networked HUSH2 Systems tab above for more details).

Some of the operational options available on HUSH2 are:-

  • A HUSH/SILENCE FUNCTION
    Allows a hushed period of two minutes to be applied (and extended if required) for the management of false alarms
  • A 'HOT WORKS' FUNCTION
    Allows a hushed/isolation period of fifteen minutes to be applied (and extended if required) to protect against inadvertent activation.
  • A 'TEST' FUNCTION
    Allows the functionality of the system's detectors and alarm devices to be electronically tested with relevant faults indicated via the controller's fault status LED.

Summary of HUSH2 features

  • Fully compliant with BS 5839 part 6 (2013) - upgrades the level of protection offered in a dwelling from the minimum Grade D requirement to Grade C.
  • Provides individual dwellings with an extendable two-minute silence facility and 15-minute isolate facility (to BS 5839-6/12.2b and12.2a).
  • Mains powered via a separate double gang PSU with onboard 72 hour standby supply
  • Long-life replaceable Lithium Ion rechargeable battery (up to 10 years' life)
  • Wiring between all detection and alarm devices is fully open and short circuit monitored
  • Silence, Test and Fault Status indicators & controls can be viewed or operated at floor level and are therefore suitable for use by the elderly and disabled.
  • Four indicator LEDs - green Supply LED, yellow Fault LED, red Alarm LED and yellow Hushed LED.
  • Auxilliary interface connections to remote systems, e.g. communal fire alarm systems
  • Manufactured in the UK by one of the world's leading commercial fire system providers.

Why use a Grade C system?

BS5839-6 GRADE C REQUIREMENTSBS5839-6 GRADE C REQUIREMENTS
Grade C systems require fault monitoring of the power supply.Grade D system power supplies can be completely unmonitored (Section 6.2 of BS5839-6 2013).
Grade C systems require fault monitoring of the interconnecting wiring.There is no monitoring of the wiring required in Grade D systems (Section 6.2 of BS5839-6 2013).
Grade C systems provide a readily accessible method of silencing and testing the system at floor level for compliance with Section 9.1.1 of BS 5839-6 2013Grade D systems require additional equipment to provide silencing facilities at floor level.