Mains Powered Heat Alarm with Lithium Back-up Battery - FireAngel Pro HT-230

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The FireAngel HT-230 is a mains powered heat alarm which provides provides quick detection of rapid temperature increases.

The alarm has a sealed lithium back-up battery that continues to power the alarm if the the mains power fails.

Product CodesHT-230

5 Year Warranty
Certifed to BS Standards
Heat Sensor
230V Mains Powered
Product Overview

Mains powered with a 10 year sealed lithium back-up battery, the FireAngel Pro HT-230 heat alarm can be hard-wire interlinked with up to 30 alarms within a single system. The HT-230 heat alarm is quick to detect increase in room temperature, making it ideal for areas where a smoke alarm would be prone to false activation, such as kitchens and garages.

  • Power: 230V mains powered with back-up battery
  • Backup: Lithium battery lasts the lifetime of your alarm - GUARANTEED
  • Warranty: Safelincs Exclusive 5 Year Warranty
  • CE marked and Kitemarked to BS EN 5446-2
  • A maximum of 30 FireAngel Pro alarms can be hard-wire interlinked
  • Suitable for installations complying to BS 5839-6: 2019 Grade D1
  • Detects rate of increase in room temperature rather than smoke
  • Ideal for use where a smoke alarm would be prone to false activation
  • Easy to use test, hush and Sleep Easy™ function
  • Locate function: allows you to find the alarm that activated the system
  • Tamper-proof mounting plate locks the alarm head in place
  • Sleek, stylish design
  • Typically installed in kitchen areas and garages
  • Supplied with fixings; 2 x screws and 2 x rawl plugs
Interlink

In a wireless-only system the maximum number of compatible units that can interlink is 50, while a hard-wired-only system is limited to 30 units. In a mixed hard-wired and wireless alarm system these maximum quantities can be exceeded.

For each "group" of hard-wired alarms in a system, only one should be a wireless model. For example, in a 3 storey house you could hard-wire 2x ST-230 and 1x WST-230 alarms together on each floor with all of the WST-230 models wirelessly interlinked to each other. This can technically be done to a maximum of 50 groups of 30 alarms, though FireAngel has not designed, optimised, or tested these alarms for such a large system. Having so many alarms interlinked would create large communication delays between the alarms, potentially resulting in occupants not being given adequate warning of a fire. It is heavily recommended that customers desiring a large amount of alarms for a single property instead look into full Fire Alarm Systems which are designed for larger premises.

The table below shows all the units that can interlink with the FireAngel Pro alarms.

Alarms from the Same Series

Model Number Type of unit Type of interlink
WST-230 Mains Powered Optical Smoke Alarm Hard-wire interlink
WHT-230 Mains Powered Heat Alarm Hard-wire interlink
ST-230 Mains Powered Optical Smoke Alarm Hard-wire interlink
HT-230 Mains Powered Heat Alarm Hard-wire interlink
Technical Data

Technical Data

This is the technical data for the Mains Powered Heat Alarm with Lithium Back-up Battery - FireAngel Pro HT-230.

Product Code FAHT230
Alternative Product Codes HT-230
Weight 0.23kg
Dimensions (HxDia) 52x141mm
Back-Up Battery 10 year sealed lithium
Sound Output 85dB
Operating Temperature -10 °C to +45 °C
FAQs (14)

Q. What smoke alarm should I use in a bedroom with an en suite bathroom?

A. It is usually recommended to install an optical smoke alarm in a bedroom. This is because optical smoke alarms are slightly quicker at detecting slow smouldering fires that can originate from upholstery type materials and over-heated wiring. Also, an optical smoke alarm would be less likely to sound a false alarm than an ionisation would, if steam/water droplets were present from the bathroom. Detectors should be installed as central to the room as possible; however for your application I would also consider the position of the en suite to make sure that the detector is not in the direct path of the joining door. This is just to try and avoid the chances of a false alarm. No detector is designed for use in bathroom areas.

Q. How do I safely dispose of my old smoke alarms?

A. Safelincs is signed up to Valpak's WEEE (Waste Electrical and Electronic Equipment) Distributor Take-Back Scheme (Registration ID: 7370). Private households can therefore drop off their electronic and electrical fire safety waste at their municipal recycling centre when they are purchasing new products from us. To find your nearest recycling centre, please visit www.recycle-more.co.uk.

Q. Can the mains powered smoke alarm range be connected to mains power via the lighting circuit?

A. Yes, hard-wired mains powered alarms can be wired to the unswitched live feed of the nearest frequently used lighting circuit.

Q. is there a different alarm sound for optical and heat sensors to tell you the difference in what kind of fire it is?

A. There is only one alarm sound type when a fire is detected, when interconnected all smoke and heat alarms will sound. However only the triggered alarm will have a rapidly flashing red indicator.

Q. How long do the batteries last in smoke alarms?

A.

The 9V alkaline batteries last 12-18 months. Lithium batteries will usually last 5x longer than their alkaline counterparts, achieving around 5 years lifetime. Some lithium cells are also rechargeable, and when used in a mains-powered alarm may last for the entire functional lifespan of the alarm. Newer alarm models may also feature a "sealed" lithium battery. These batteries are specialist components which are designed to not be removed or need replacing by the user, and have been tested by the alarm manufacturer to ensure they last for the lifetime of the alarm.



Please Note: the actual lifetime of your batteries depends on how often the alarms are tested or activated, as sounding the alarm draws more power than when the alarms are "waiting" to detect fire. You should also read your alarm's manual to make sure you only use the recommended types and brands of batteries, as failing to follow these instructions may cause the alarm to malfunction, not alerting you in the event of a fire, and might also invalidate the warranty.

Q. Can a smoke alarm be fitted with a sticky adhesive pad in a let property?

A. The sticky pad is suitable for all battery operated smoke alarms. However, we cannot judge if battery alarms are suitable for your let property, as let properties usually require mains powered alarms. There is some advice to this in the governments guides to fire risk assessments. http://www.safelincs.co.uk/Fire-Risk-Assessment/
Also see the LACoRS guide for let properties.

Q. If a false alarm goes off can pressing the hush button on any of the interlinking alarms stop all the units beeping?

A. No, to stop the alarms from sounding the hush button on the unit that started the process needs to be pushed. Pressing any other unit will just silence that one unit. The unit can be identified by the rapidly flashing red LED.

Q. When the test button is pressed on an interlinking smoke alarm will this cause all the other units to go off, too?

A. Yes, by pressing the test button on one alarm all the units in that family will also be activated. To 'teach' the units which other smoke alarms belong to the same family, the smoke alarms have to be set up together during the installation. This is done by pressing a 'housecoding button' or similar process.

Q. What sort of smoke alarm system would I need to install for a HMO?

A. BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.

Q. Do you need an electrician to connect mains powered smoke alarms?

A. It is necessary that an electrician installs mains powered smoke alarms.

Q. How long do smoke alarms last before needing replacement?

A. It is recommended that smoke alarms are replaced after 10 years. This is because the sensors in the smoke alarms become less sensitive and may not activate when a fire is present.

Q. What is the best way to test my alarm?

A. We recommend testing alarms by pressing the test button built-in to the unit, as this is designed to simulate the detection of the target stimuli (usually smoke, heat, or CO) at the alarm sensor. You should test your alarms regularly to ensure they are protecting building occupants, preferably every week. For more detailed guidance, check the manual included with your alarm.

Q. Why do your mains powered alarms have batteries?

A. All our mains powered alarms have a battery backup. Although mains powered alarms without this option do exist (BS5839 part 6 grade E), we regard them as far too dangerous, as a lot of fires are caused by electrical faults leaving the building unprotected against fire if the smoke alarms have no backup battery. With our mains powered alarms you will always be protected.

Q. I want to install an interlinked smoke alarm system throughout my home, but what type of smoke alarms do I need in different rooms?

A. We recommend a heat alarm in the kitchen, optical alarms in living rooms and hallway and ionisation alarms on landings.

Key Product Features

Test and hush button built in to thermistor cover

Break-out tab for seamless trunk wiring

3 colour LEDs tell you its status at a glance

Includes screws and rawl plugs for installation

Product Dimensions

What's Included?

  • 1 x FireAngel Pro HT-230 heat alarm
  • 1 x Sealed 10-year lithium battery
  • 2 x Screws & rawl plugs
  • 1 x Instruction manual

Product Datasheets

Customer Reviews

1 customer has have given this product an overall rating of 5 out of 5

Reviews by real customers

All of our product reviews are written by real customers that have purchased this product from us and are published without modification.

Rating: 5 / 5 Stars

Reviewed by: SD

replaced different manufacuter (Firex) with this one easily

Published on: 22nd February 2017

Delivery Options

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