ST-750 - Smoke detector FireAngel - Free user manual and instructions
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| Product Type | Smoke Detector |
| Model | ST-750 |
| Brand | FireAngel |
| Power Source | Sealed 10-year lithium battery |
| Sensor Type | Photoelectric |
| Battery Life | 10 years |
| Dimensions (Diameter) | 110 mm |
| Weight | 150 g |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 10% to 90% non-condensing |
| Alarm Sound Level | 85 dB at 3 metres |
| Compliance | EN14604 |
| Warranty | 10 years (limited) |
| Installation Type | Ceiling or wall mount |
| Test/Silence Button | Yes |
| Interconnectivity | Standalone (no interconnect) |
| LED Indicator | Green for normal operation, Red for alarm |
| Maintenance | Regular vacuuming to remove dust |
Frequently Asked Questions - ST-750 FireAngel
How do I test the smoke detector?
Press and hold the test button until the alarm sounds. Release to stop. This tests the sensor and battery.
What does a chirping sound indicate?
A chirp every 30-60 seconds indicates low battery or end of life. Since the ST-750 has a sealed battery, you must replace the entire unit.
How often should I test the alarm?
Test at least once a month to ensure proper operation. Also after returning from long absence or after battery replacement.
What causes false alarms?
False alarms can be triggered by steam, cooking fumes, dust, or insects. Install away from kitchens, bathrooms, and vents. Vacuum regularly.
Can I replace the battery?
No, the ST-750 has a sealed 10-year lithium battery. When the battery reaches end of life, the entire alarm must be replaced.
Where should I install the smoke detector?
Install on the ceiling or high on a wall, at least 30 cm from corners. Place in hallways near bedrooms and on every floor. Avoid damp or dusty areas.
How do I silence a false alarm?
Press the silence button to temporarily silence the alarm. The unit will automatically reset within a few minutes. If alarm persists, check for smoke or steam.
What is the lifespan of the ST-750?
The unit has a 10-year lifespan from the date of manufacture, which is marked on the device. Replace the entire alarm after 10 years.
Does the ST-750 have a warranty?
Yes, FireAngel offers a 10-year limited warranty for the ST-750. Keep proof of purchase for warranty claims.
How do I clean the smoke detector?
Use a vacuum cleaner with a soft brush attachment to remove dust from the vents and sensor chamber every 3-6 months. Do not use water or chemicals.
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USER MANUAL ST-750 FireAngel
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Product information
Brand : FireAngel
Model : ST-750
Category : Smoke detector