Grade C: The fire alarm system comprises detectors and alarm sounders that can be set up like smoke alarms with central control equipment and running on the same power supply from the mains with a standby supply.
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What is a grade C fire alarm system?
Grade C: The fire alarm system comprises detectors and alarm sounders that can be set up like smoke alarms with central control equipment and running on the same power supply from the mains with a standby supply.

What is the legal requirement for fire alarm testing?
In section 25.2 it states that all fire alarm systems in commercial premises need to be tested weekly to ensure that there has not been any major failure, and that the fire alarm system is in working order.
What is fire alarm test mode?
Test Mode is a System State you can manually enter through the Menu on your Keypad. It is a great way to check the connection between the Base and the Dispatch Center as well as the Base and its sensors. Entering Test Mode does not affect your Monitoring Status.
What is a Grade 2 LD2 fire alarm system?

Category LD2: A system incorporating detectors in all circulation areas that form part of the escape routes from the premises, and in all specified rooms or areas that present a high fire risk to occupants, including any kitchen and the principal habitable room.
What are the 4 main types of fire alarm systems?
The four types of fire detectors are heat, optical (ionisation), photoelectric, and ionisation/photoelectric. The differences in each of these are how they detect fires, heat being from temperature, and the other three being from smoke. The best detector is the combination ionisation/photoelectric.
What is a Grade B fire alarm?
Grade B system is a fire detection and fire alarm system comprising fire detectors (other than smoke and heat alarms); fire sounders, control and indicating equipment and power supplies conforming to BS EN54-2 and BS EN54-4.
How often do you test fire alarms?
every week
Ideally every week. There should be a minimum of one smoke alarm per floor with a heat detector in the kitchen. You should fit enough alarms to cover all areas where a fire could start. Make sure they are tested regularly – ideally every week.
How long should a fire alarm test last?
Mine is longer, to the point that some people complain. A colleague seems to think it should be between 30-60 seconds. That’s unacceptable for the office. To my understanding it needs to be heard so would have thought between 3-5 seconds of sounding is sufficient.
How do you get a fire alarm out of test mode?
Reset your alarm after each test. Once each inspection is complete, you can turn off the alarm by holding down the Test button for around 15 seconds. This will reset the device and allow you to proceed with the other tests.
What is L2 fire alarm?
L2 provides Automatic Fire Detection (AFD) as defined in L3 as well as high risk or hazardous areas. Examples of this could be Kitchens, boiler rooms, sleeping risk, storerooms if not fire resistant or if smoke could affect escape routes.
What are the 3 categories of evacuation?
If total evacuation is required in the event of a fire, vertical evacuation is a priority, then horizontal evacuation, and then complete evacuation if necessary.
How do you announce a fire alarm test?
Fire Alarm Pre-Test Message: Three chimes… “May I have your attention please. May I have your attention please. We will be conducting a test of the fire alarm system. Please disregard all alarms until further notice.
How do I make my fire alarm stop beeping?
How to Reset a Chirping Smoke Alarm
- Turn off the breaker controlling the alarm circuit or disconnect the smoke detector from the circuit.
- Open the cover and remove the battery.
- Press and hold the reset button for 15 to 20 seconds.
- Install a fresh battery and reconnect the smoke alarm back to the circuit.
Why is my fire alarm beeping?
The battery may need to be replaced. An alarm will chirp every 30 to 60 seconds for a minimum of seven days. With a “low battery” announcement, disconnect the unit and replace the batteries. You can also put a unit into low battery hush for up to 12 hours on newer units by pressing the test/hush button.