1. Ro-ràdh
This manual provides essential information for the proper installation, operation, and maintenance of your Firehawk FHN250BB Mains Powered Optical Multi-Criteria-Enhanced Smoke Alarm. Please read these instructions thoroughly before installation and retain for future reference. This device is designed to detect smoke and provide an early warning of fire, contributing to household safety.

Ìomhaigh 1.1: Bho mhullach gu bonn view of the Firehawk FHN250BB Smoke Alarm, showing its compact, white circular design with ventilation slots.
2. Fiosrachadh Sàbhailteachd
It is crucial to adhere to all safety guidelines during installation and operation. Failure to do so may result in improper functioning of the alarm or electrical hazards.
- Sàbhailteachd dealain: Installation must be carried out by a qualified electrician in accordance with local wiring regulations. Always isolate the mains power supply before commencing any work on the alarm.
- Suidheachadh: Install smoke alarms in all living areas, hallways, and bedrooms. Avoid placing alarms in kitchens, bathrooms, or garages where steam, cooking fumes, or exhaust gases could cause nuisance alarms.
- Eadar-cheangal: If interlinking multiple alarms, ensure compatibility. This unit may not be compatible with wired interconnects from other brands.
- Deuchainn: Test the alarm weekly and after any power outage no ath-chur bataraidh.
- Cumail suas: Do not paint the alarm. Keep it clean and free from dust.

Image 2.1: The Firehawk FHN250BB Smoke Alarm displaying regulatory compliance marks including UKCA, CE, and TÜV Rheinland Certified logos.
3. Pasgan-susbaint
Dèan cinnteach gu bheil a h-uile rud anns a’ phacaid mus tòisich thu air an stàladh:
- Firehawk FHN250BB Smoke Alarm Unit
- Stàladh bonn-chlàr
- A’ daingneachadh sgriothan agus plugaichean balla
- Alkaline AAA Batteries (for backup)
- Leabhar-stiùiridh (an sgrìobhainn seo)

Image 3.1: Contents of the Firehawk FHN250BB package, showing the smoke alarm unit, a pack of AAA batteries, and two sets of mounting screws with wall plugs.
4. Setup agus Stàladh
Cudromach: Installation must be performed by a competent person, such as a qualified electrician, and comply with all national and local electrical codes.
- Cumhachd Iomallach: Before starting, ensure the mains power supply to the circuit where the alarm will be installed is switched off at the consumer unit.
- Tagh Àite: Choose a suitable location on the ceiling, away from corners, light fittings, and air vents. Refer to local regulations for specific placement guidelines.
- Plàta Bonn Suidheachaidh: Use the provided screws and wall plugs to securely fix the mounting base plate to the ceiling.
- Ceanglaichean uèir: Connect the mains wiring (Live, Neutral, and Interconnect if applicable) to the terminals on the base plate. Ensure correct polarity and secure connections. The base plate features easy-connect terminals.

Ìomhaigh 4.1: Mion-fhiosrachadh view of the Firehawk smoke alarm base plate, highlighting the 'L' (Live), 'I' (Interconnect), and 'N' (Neutral) wiring terminals for mains connection.
- Stàlaich bataraidhean: Insert the alkaline AAA backup batteries into the battery compartment on the alarm unit. Ensure correct orientation.
- Attach Alarm Unit: Align the alarm unit with the base plate and twist clockwise until it clicks securely into place.
- Thoir air ais cumhachd: Switch the mains power supply back on. The alarm should emit a short beep and the LED indicator will illuminate, signifying it is receiving power.
- Alarm deuchainn: Press and hold the test button on the alarm unit for a few seconds. The alarm should sound loudly. If it does not, refer to the troubleshooting section.
5. Stiùireadh Obrachaidh
The Firehawk FHN250BB operates continuously once installed and powered. It features a test button and a silence function.
5.1. Obrachadh àbhaisteach
During normal operation, the green LED indicator will flash approximately every 45 seconds, indicating that the alarm is receiving mains power and functioning correctly. The red LED will flash briefly during the self-test cycle.
5.2. A’ dèanamh deuchainn air an inneal-rabhaidh
Press and hold the large central test button on the alarm cover for at least 5 seconds. The alarm will sound a loud, pulsating signal. Release the button to stop the alarm. Test the alarm weekly to ensure proper functionality.
5.3. Silence Function (Hush Mode)
In the event of a nuisance alarm (e.g., from cooking fumes), press the test/hush button. This will silence the alarm for approximately 10 minutes. The red LED will flash every 10 seconds during the hush period. The alarm will automatically reset after 10 minutes. If the smoke is still present, the alarm will sound again.
6. Cumail suas
Bidh cumail suas cunbhalach a’ dèanamh cinnteach gum mair an inneal-rabhaidh ceò agad fad-beatha agus earbsachd.
6.1. Ath-nuadhachadh bataraidh
The FHN250BB uses alkaline AAA batteries for backup power. When the batteries are low, the alarm will chirp approximately every 45 seconds, and the red LED will flash. Replace all batteries immediately with new, high-quality alkaline AAA batteries (e.g., McNair LR03, Duracell MN2400, or Reiden LR03 AAA batteries).
- Isolate mains power to the alarm circuit.
- Gently twist the alarm unit counter-clockwise to remove it from the base plate.
- Fosgail an roinn bataraidh agus thoir air falbh na seann bataraidhean.
- Insert new AAA alkaline batteries, ensuring correct polarity.
- Reattach the alarm unit to the base plate by twisting clockwise until secure.
- Restore mains power and test the alarm.

Image 6.1: The underside of the Firehawk smoke alarm, revealing the battery compartment with a spring mechanism and a label detailing battery replacement instructions and manufacturing dates.
6.2. Glanadh
Clean the smoke alarm at least once a month. Use a soft brush attachment on your vacuum cleaner to remove dust and debris from the alarm's vents and cover. Do not use cleaning solvents or spray chemicals directly onto the alarm.
7. A ’dèanamh trioblaid
Mura h-eil an inneal-rabhaidh ceò agad ag obair mar a bha dùil, thoir sùil air a’ chlàr a leanas:
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Alarm chirps every 45 seconds | Bataraidh cùl-taic ìosal | Replace alkaline AAA batteries (refer to Section 6.1). |
| Chan eil an inneal-rabhaidh a’ fuaimeachadh rè deuchainn | No mains power, flat backup batteries, or faulty unit | Check mains power supply. Replace backup batteries. If problem persists, contact support. |
| Inneal-rabhaidh dragh | Steam, cooking fumes, dust, or insects | Press hush button. Relocate alarm if consistently triggered by non-fire sources. Clean alarm (refer to Section 6.2). |
| Alarm unit not securing to base plate | Mì-thaobhadh no bacadh | Ensure correct alignment and twist firmly until it clicks. Check for any obstructions. |
8. Sònrachaidhean
- Àireamh Modail: FHN250BB
- Stòr cumhachd: 230V ~ 50Hz Mains Powered with Alkaline Battery Backup
- Seòrsa bataraidh: 3 x Bataraidhean Alcaileach AAA (air an toirt a-steach)
- Seòrsa mothachaidh: Optical Multi-Criteria-Enhanced
- Meudan: 5.5 x 11.3 x 5.5 cm
- Cuideam: 200 g
- Teòthachd obrachaidh: 0 ° C gu 40 ° C
- Taiseachd: 10% gu 90% RH (neo-dhlùthadh)
- Aontaidhean: EN 14604:2005, CE, UKCA
9. Barantas agus Taic
Firehawk products are manufactured to high standards and are backed by a manufacturer's warranty. For specific warranty details, including duration and terms, please refer to the documentation supplied with your product or visit the official Firehawk website. For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact Firehawk customer service through their official channels.
Fiosrachadh conaltraidh: Refer to the product packaging or the official Firehawk weblàrach-lìn airson am fiosrachadh conaltraidh as ùire.