With the rapid development of social and economic construction, the height and scale of buildings are developing in the direction of higher, bigger and deeper. The development of science and technology civilization brings us more convenient life at the same time, the safety management of building fire is more worthy of attention. Strictly in accordance with the provisions of the fire technical specifications set up fire protection facilities, regular maintenance is to ensure that the building fire safety is an important measure.

Maintenance regulations of automatic fire alarm system

Fire detectors, module class, manual alarm button, fire hydrant button and other equipment

■ Maintenance methods:

1. equipment and base off, poor contact, should be re-tightened and installed or increase the base and the equipment card spring contact area;

2. poor contact between the alarm bus and the base of the device, the alarm bus should be re-crimped, multi-stranded wire should be tin-lined or crimped wire nose; 3.

3. Alarm bus open circuit, ground or short circuit failure, should replace the line or repair the failure point; 4.

4. Fire detector false fire alarm, first check its installation and use of the environment, clear the surrounding environment leading to humidity, high temperature, smoke and dust and other sources of occurrence, or appropriate movement of the fire detector position so that it is away from the source of interference, or by the relevant technical capabilities of the organization to clean the fire detector;

5. Fire detectors, modules, manual alarm buttons, fire hydrant buttons should be replaced if damaged.

Main power supply

Maintenance methods:

1. The main power supply should be turned off when the utility power is cut off continuously for 8 hours, and then turned on again when the utility power returns to normal; 2.

2. Check whether the main power supply air switch is disconnected, to determine the power supply circuit is normal after re-closing, such as closing unsuccessful replacement switch.

3. Poor contact of the main power line, you can re-crimp the power line; 4.

4. main power fuse or fuse blown, to determine the line is normal, replace the fuse or fuse to meet the requirements.

5. The main power supply equipment should be replaced if it is damaged.

Backup power supply

Maintenance methods:

1. poor contact with the backup battery wiring, it is appropriate to use a soldering iron welding or special tools crimping backup power connection line;

2. Backup power fuse or fuse blown, to determine the line is normal, replace the fuse or fuse to meet the requirements.

3. When the backup power supply voltage is insufficient, the power charging device should be checked, the failure should be replaced by the backup power supply; 4.

4. Re-measure the under-voltage battery after charging for 24 hours, and replace the battery if it is still insufficient.

Communication device

Maintenance methods:

1. regional alarm controller or fire display panel equipment power supply is not normal, should be repaired to restore the power supply;;

2. regional alarm controller and centralized alarm controller communication interface board failure, should be repaired or replaced communication interface board; such as other equipment caused by communication failures, then repair or replace the corresponding equipment;

3. the communication line between the regional alarm controller and the centralized alarm controller is open, short-circuited or grounded, the fault should be repaired or replaced.

Automatic fire alarm system maintenance program

Fire alarm controller class equipment

Inspection requirements:

1. Monthly check controller indicator, display, audio devices, should be intact and effective.

2. Monthly check the controller external lines should be free of defects, terminals should be free of loose, line labeling terminal marking should be clear, the external interface contact is good.

3. Quarterly check the controller functions should be normal.

4. Quarterly measurement of the controller's output voltage with a multimeter should meet the requirements of the product instruction manual.

5. Measure the input voltage of the fire detector or module at the end of the control bus circuit with a multimeter every quarter, and it should meet the design requirements.

Maintenance methods:

1. cut off the power supply every year, using special cleaning tools to remove the circuit board, terminals and cabinets (boxes) in the body of dust.

2. Air humid place of the controller equipment cabinet (box) should be placed in the body desiccant; 3.

3. the most end of the fire detector or module of the power supply voltage value is less than the specified value of the manual, should replace the circuit board or adjust the line.

4. Check the external wiring terminals of the fire alarm controller every year and tighten them if they are found to be loose; 5.

5. Backup the software information in the fire alarm controller every quarter.

6. Battery maintenance in accordance with product specifications.

Point-type smoke detectors

Inspection requirements:

1. Check whether the working status of the point-type smoke detector is normal every quarter; 2.

2. 10% but not less than 50 point-type smoke detectors should be backed up.

Maintenance method:

3. Re-tighten the terminals with loose connections, replace the screws, terminal gaskets and other wiring components with corrosion traces, remove the corroded wire ends, and reconnect them after tin-lining.

4. Point-type smoke detectors should be cleaned at least once every three years after they have been put into operation for two years, and the fire detectors in poorer environments should be cleaned every year.

5 point-type smoke detectors should be cleaned using professional industrial equipment to clean the sensing components and circuit boards, cleaning should be calibrated after the detector's response threshold, the response threshold should be in the production company or factory inspection of the response threshold range of the provisions of the threshold; 6.

6 point smoke detectors should be cleaned to do the necessary function test, qualified before continuing to use.

Point-type temperature-sensitive fire detectors

Inspection requirements:

1. Check whether the working status of point-type temperature-sensitive fire detectors is normal every quarter.

2. 10% of the point-type temperature-sensitive fire detectors should be spare parts.

Maintenance method:

1. Re-tighten the terminals with loose connections, replace the screws, terminal gaskets and other wiring components with traces of corrosion, remove the corroded wire ends, and reconnect them after tin-lining.

2 point-type temperature-sensitive fire detectors into operation for two years, should be every three years at least all cleaned once, the use of poor environmental fire detectors should be cleaned annually;.

3 point-type temperature-sensitive fire detector cleaning should use professional industrial equipment to clean the sensing components and circuit boards, after cleaning should be calibrated detector response threshold, the response threshold should be in the production company or factory inspection of the response threshold specified

Response threshold should be within the range of the response threshold specified by the manufacturer or factory inspection.

4 point-type temperature-sensitive fire detectors should be cleaned to do the necessary functional tests, qualified before continuing to use.

Line beam smoke detector

Inspection requirements:

1. Check whether the working status of the wire-type beam smoke detector is normal every quarter; 2.

2. 10% of the wired beam smoke detectors should have spare parts.

Maintenance method:

1. Re-tighten the equipment to connect the loose terminals, replace the screws, terminal spacers and other wiring components with corrosion traces, remove the corroded wire ends, and reconnect them after tin-lining; 2.

2. Quarterly use special cleaning tools or soft cloth and appropriate cleaning agents to clean the optical window, after cleaning the detector response thresholds calibrated to the detector's factory-set thresholds.

3. The linear beam smoke detector should do the necessary function test after cleaning, and can be used after passing the test.

Inhalation Smoke Detectors

Inspection requirements:

1. Quarterly check whether the working status of the smoke detector is normal.

2. Quarterly inspection of the smoke detector event record, to understand the situation of the protected area.

3. Quarterly inspection of the condition of the filter and the degree of use of the smoke detector, to determine whether it is necessary to replace the filter.

4. Quarterly check the airflow value displayed on the smoke detector. Judge the blockage of the sampling pipeline, and deal with the problem in time.

5. Every six months to check whether the sampling pipeline is blocked, rupture, loose fixing and other conditions, found that the problem is dealt with in a timely manner.

Maintenance method:

1. Re-tighten the equipment to connect the loose terminals, replace the screws, terminal gaskets and other wiring components with traces of corrosion, remove the corrosion of the wire end, tin-lined and reconnected;.

2. Sampling through the sampling tube of the suction-type smoke detectors at least once a year to blow clean the sampling pipe, replace the filter, and alarm function test; and

3. Maintenance in accordance with the requirements of the product manual of the equipment.

Point-type flame detector

Inspection Requirements: Check whether the working status of point-type flame detector is normal every quarter.

Maintenance method:

1. Re-tighten the equipment to connect the loose terminals, replace the screws, terminal gaskets and other wiring components with traces of corrosion, remove the corrosion of the wire ends, tin-lined and reconnected; 2.

2. Maintenance in accordance with product specifications.

3. Use special cleaning tools or soft cloth and appropriate cleaning agents to clean the optical window.

Manual parts button equipment inspection requirements:

1. Quarterly inspection of manual parts button working condition is normal; 2.

2. Quarterly check the manual parts button alarm contacts and mechanical alarm components function.

Maintenance method:

1. re-tighten the equipment to connect the loose terminals, replace the screws, terminal gaskets and other wiring components with traces of corrosion, remove the corroded wire ends, and reconnect them after tin-lining; and

2. Eliminate component failures to ensure that the equipment operates flexibly and functions normally.

Modular equipment

Inspection requirements: quarterly inspection of module equipment working condition is normal.

Maintenance method: Re-tighten the loose terminals of the equipment connection, replace the screws, terminal gaskets and other wiring components with corrosion traces, remove the corroded wire ends, and reconnect them after tin-lining.

Sound and light alarm equipment

Inspection requirements: quarterly check the sound and light alarm equipment working condition is normal.

Maintenance methods:

1. Connect the loose terminals of the equipment to re-tighten the connection, replace the screws with traces of corrosion, terminal spacers and other wiring components, remove the corrosion of the wire ends, tin-lined and reconnected.

2. Use special cleaning tools or soft cloth and appropriate detergent to clean the surface stains of the sound and light alarm equipment.

Battery

Inspection requirements:

1. Quarterly inspection of automatic fire alarm system backup battery, there should be no deformation of the bulging phenomenon.

2. Quarterly switching test of the main power supply for fire protection, record the continuous working time of the backup power under standard load, and check whether the backup battery power status is normal.

3. Quarterly check the battery poles and terminals, the connection should be reliable, the appearance should be metal luster.

Maintenance method:

1. Remove the yellowish-white paste that may appear around the battery poles.

2. Replace the backup battery whose power status is not normal.

3. Apply petroleum jelly and other protective agents on the battery terminals to prevent oxidation.

Fire control room graphic display device

Inspection Requirements: Check the appearance and function of the graphic display device every month.

Maintenance methods:

1. Use special cleaning tools or soft cloth and appropriate cleaning agents to clean the surface stains on the graphic display unit;.

2. The use of compressed air, cleaning tools and other cleaning device box body dust.

3. Backup the software of the graphic display device every six months.

Automatic fire alarm system end-of-life conditions

Automatic fire alarm system service life of not more than twelve years, the service life should be scrapped. End-of-life conditions and treatment should be consistent with the provisions of GB 29837.

The service life of the battery shall not exceed four years, and it shall be scrapped when it reaches the service life. Does not reach the service life, but there are serious surface deformation, corrosion, liquid leakage, etc., should also be scrapped.