Lesson 1Environmental an installation considerations: mounting heights, obstructions, false-alarm causes (dust, drafts, humidity, cooking, steam)Understand how environment an installation choices affect detector performance an false alarms. Yuh wi study mounting heights, spacing near obstructions, airflow an dust effects, humidity an steam issues, an methods fi reduce nuisance activations.
Mounting heights fi common detectorsClearances from beams an obstructionsEffects of dust, insects, an contaminationDrafts, HVAC outlets, an air movementHumidity, steam, an cooking aerosolsLesson 2Notification an alarm signalling: sounders, strobes, voice evacuation systems, audibility/alerting criteriaUnderstand how fire alarm systems notify occupants an emergency services. Dis section cover sounders, strobes, voice evacuation systems, audibility an intelligibility criteria, temporal patterns, an code requirements fi signaling performance.
Types of sounders an horn circuitsStrobes an visual notification rulesVoice evacuation system basicsAudibility an intelligibility criteriaTemporal patterns an coding formatsLesson 3Overview of system architecture: detectors, manual call points, control panels, sounders, interfacesGain an overview of commercial fire alarm system architecture an how each component work together. Dis section review detectors, manual call points, control an indicating equipment, notification appliances, power supplies, an interface modules.
Role of di fire alarm control panelAutomatic detectors an field devicesManual call points an pull stationsNotification appliances an circuitsInterface an relay modules in systemsLesson 4Documentation an labeling: as-built drawings, device schedules, panel logs, zone maps, cable identification standardsUnderstand di documentation an labeling required fi safe maintenance an code compliance. Dis section cover as-built drawings, device schedules, zone maps, cable identification, panel logs, an updating records after system modifications.
As-built drawings an revisionsDevice schedules an address listsZone maps an annunciator layoutsCable tags an identification schemesPanel logs an maintenance recordsLesson 5Power supplies an supervision: primary power, mains failure transfer, standby batteries, battery testing an replacement criteriaLearn how commercial fire alarm systems get power, supervised, an kept operational during mains failure. Dis section cover primary power sources, automatic transfer, battery sizing, testing methods, an replacement criteria fi reliable performance.
Primary power sources an ratingsAutomatic mains failure transferBattery capacity an sizing rulesBattery testing methods an intervalsBattery replacement criteria an recordsLesson 6Detection zoning an area coverage: zoning concepts, detector spacing calculations, protected volumesLearn how buildings divide into detection zones an how coverage calculate. Topics include zoning objectives, life safety an property zones, detector spacing rules, ceiling height effects, an verifying protected volumes from plans.
Zoning objectives an legal limitsLife safety versus property zonesDetector spacing rules an tablesCeiling height an configuration effectsCalculating protected volumes from plansLesson 7Signal interfaces an integration: fire panels wid building management systems, sprinkler interfaces, HVAC shutdown, emergency liftsLearn how fire alarm panels interface wid other building systems fi control hazards an support evacuation. Topics include sprinkler monitoring, HVAC shutdown, elevator recall, door release, an integration wid building management systems.
Sprinkler flow an valve supervisionHVAC shutdown an smoke controlElevator recall an emergency liftsDoor release an access control linksIntegration wid building managementLesson 8Types of detectors: ionization, photoelectric, multi-criteria, aspirating, beam, heat an comparative usesStudy di main detector technologies used in commercial systems an when fi apply each type. Yuh wi compare ionization, photoelectric, multi-criteria, aspirating, beam, an heat detectors, focusing on response characteristics an application limits.
Ionization smoke detector behaviorPhotoelectric smoke detector usesMulti-criteria an intelligent detectorsAspirating an high sensitivity systemsBeam an heat detectors in large spacesLesson 9Wiring topologies an circuit supervision: conventional vs addressable loops, end-of-line devices, short/open fault detectionExplore wiring arrangements used in commercial fire alarm systems an how circuits supervised. Yuh wi compare conventional an addressable topologies, learn end-of-line device functions, an study methods fi detecting shorts an opens.
Class B an Class A circuit conceptsConventional versus addressable loopsEnd-of-line resistors an devicesShort circuit an open fault detectionGround fault monitoring an response
