Introducing Rafiki Twinflex, conventional fire alarm systems, multipoint

In this article we would like to introduce Rafiki TwinFlex: The Twinflex conventional fire alarm system incorporating the Multipoint combined smoke and heat detector with built in sounder means the whole system can be installed using only one pair of wires.

The Multipoint Detector – Twinflex

Using the Multipoint detector as part of the Twinflex 2-wire fire alarm system means that when a detector is wired in, a sounder is wired in too – with no extra wiring, therefore greatly reducing the number of points that need to be installed and the time it takes to install them.

As the Multipoint offers 7 different modes of detection, the installation is made even simpler as this one device suits all applications. Whatever type of detection is required, for any part of the installation it can be selected by the flick of a switch at the time of commissioning. Any one of 3 different smoke modes, 2 fixed temperature heat modes, a rate of rise mode and a combination smoke or heat mode can be selected.

As the Twinflex Multipoint detector is available with or without a full specification 90 dB(A) sounder (for only a marginal cost difference) no extra devices need to be purchased when audible warning is required. (Meets audibility levels recommended in BS5839 Part 1:1988). Twinflex Manual Call Points can be run on the same pair of wires as detectors. Both detectors and Manual Call Points have a built in EOL switch so that any device may be set as the end of line monitor. The panel can also differentiate between a Manual Call Point and a Detector alarm.

If extra sound is required, or for areas that do not require detection, then the Twinflex Hatari sounder may be used on the same two wires, offering sound output of 100dB(A). It also has a built in EOL monitoring switch.

The panel can accommodate up to 32 devices per zone, has separate fault monitoring displays for each zone, and a one man walk test facility. Zones are configured without the need to use resistors or capacitors on unused zones.

The Rafiki TwinFlex – features

  • Two wire installation – only one circuit per zone to connect detectors and sounders – installation savings can be as high as 40%
  • Break glass identification. The panel has the ability to differentiate between call point or detector alarms.
  • Built in end of line device. All devices, including detectors, manual call points and sounders have a built in end of line monitoring function. Simply flicking a switch within any device will enable end of line monitoring. No resistors or extra circuits are required.
  • No base diode requirement.
  • Seven modes of detection.
  • System fully complies to BS and EN.
  • 32 devices per zone.
  • Easy to install – no need to worry about marking “in’s” and “out’s”.
  • Available in 2, 4 & 8 zone panels.
  • 72 hour standby.
  • All panels have 1 auxiliary sounder circuit (500mA).
  • 8 and 16 zone repeater panels available.
  • Input & Output modules available for plant shutdown, door release, etc.
  • Savings in cable costs.
  • Savings in installation costs.
  • Multipoint Detector/Sounder saves the cost of a sounder.

Rafiki Twinflex – Technical specifications

  • Battery: 2/4 zone – 2 x 12v 2.1Ah, 8 zone – 2 x 12v 3.3Ah
  • Panel Dimensions (WxHxD): 2/4 zone – 310 x 243 x 85 mm, 8 zone – 315 x 400 x 90 mm
  • Panel Construction: 2/4 zone – fire retardant plastic, 8 zone – mild steel
  • Mains Voltage: 230 volts AC +10% -15% 50Hz
  • Operating Voltage: 24 volts DC

Buy online the Rafiki series of conventional fire alarms:

at the Fire Alarms, Conventional and Analogue Fire Alarms section.


  1. Anyone know the best place to source replacement multipoints?
    My electrical supplies shop round the corner can get them and has quoted me a price of around £25 per item + VAT No mention of whether they come with a built in sounder or not at that price?

    How long a working life should these these multipoints have? Would it be fair wear and tear so to speak to be replacing 3 faulty ones after 18 Months since install?

    1. Thank you for your enquiry. The best explanation for all the multipoints is given actually by Rafiki themselves, so what you can do is to visit their website and look for information related to what you’re looking for. About replacing them so soon, it does not sound good – they should last at least 4-5 years. Concerning buying from the shop around the corner – it is your decision, we offer them online with the manufacturer’s warranty. For quote, do not hesitate to write us an email with your requirements/desired quantity.

  2. Could you please advise if a TwinFlex control panel can work with other than Rafiki fire detectors and call points (Apollo, Kilsen, etc., in the same time maintaining the capability to distinguish between MCP- and detector alarm signals, as claimed by Rafiki?

    By the way, I tried to obtain more info about how it does work from the Rafiki site but it is very short of information, at least as I could find out.

    I rely on your help.




    1. There are quite a few two wire addressable systems on the market; the one that has proved to be extremely reliable and easy to install is the Rafiki system. In any case, you would need to have specific detectors and bases that would communicate with the panel. Rafiki has proved to be an industry leader in ease of use and communication. For more specific details about models and compatibility, we recommend you would call Rafiki themselves and ask them about it…

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