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We’ve provided answers to some of the most frequently asked questions on our entire range of products.
The ProReact EN Digital LHD cable (various alarm temperatures available), the ProReact Digital Sensor Control Unit (DSCU) and the ProReact Digital End of Line Unit (EOLU) are all listed as components on the system approval certificate.
Thermocable had to introduce hardware and software modifications to its existing ProReact Digital LHD range in order to meet the requirement of EN54-28. As a result, these two systems are materially different and are not cross-compatible. I.e., you cannot use ProReact Digital LHD cable with a ProReact Digital Sensor Control Unit (DSCU).
An unintended consequence of making these changes is the reduction in maximum zone length per zone of detection cable. This is 1,000 metres per zone for the ProReact EN Digital LHD system. However, please note that two zones of detection cable can be connected to a single ProReact Digital Sensor Control Unit.
Yes, to our knowledge we were the first manufacturer to have a full system (consisting of detection cable, an interface unit and end of line unit) certified according to EN54-28.
They provide a technical basis to assess the performance of construction products and they enable manufacturers to draw up declarations of performance and affix CE and UKCA marking. Products that are resistant to fire or react to fire fall under the definition of construction products in the European Union.
This European Standard applies to non-resettable line-type heat detectors consisting of a sensing element using an electrical sensor cable which can be connected to a sensor control unit or either directly or through an interface module to a control and indicating equipment intended for use in fire detection and fire alarm systems installed in and around buildings and civil engineering works.
Thermocable’s analogue linear heat detection cable and end of line units can continuously operate in temperatures as low as -40⁰C. The control or interface units typically have a minimum ambient operating temperature of 0⁰C.
In order to minimise false alarms and ensure your ProReact Analogue LHD system responds as expected, it is very important to make sure that the chosen control unit setting for selecting the alarm temperature is suitable for use given the typical and maximum application temperatures that are likely to be expected during normal operation in the installed environment.
Please refer to the installation manual for further information on typical and maximum application temperatures.
Please find the range of settings below per system:
ProReact Analogue = 54⁰C, 64⁰C, 72⁰C, 79⁰C, 86⁰C, 100⁰C
ProReact EN Analogue = Class A1I / A2I (VdS approved), Class BI (VdS approved), 54⁰C, 64⁰C, 72⁰C, 79⁰C, 86⁰C, 100⁰C
(Other Pre-Alarm temperatures also available).
Yes, all Thermocable’s control or interface units require a 24V power supply.
No, a control or interface unit must sit between the analogue linear heat detection cable and a fire panel or addressable loop.
Analogue linear heat detection systems identify fires or overheat conditions by continuously measuring changes in electrical resistance along the detection cable. An alarm is triggered once the resistance along the cable falls below a set threshold.
The ProAlert control unit requires either a 3 year li-ion battery or a 18-24VDC power supply. Please note, the battery can be used as a back up power supply if needed.
A collection of certificates, technical guides, brochures and manuals for our range of products.