Shunt Trip Fire Alarm Wiring Diagram

Fire alarm and sprinklers ieee atlanta chapter may 15 2006. Whereas designated and alternate elevator recall captures and sends the elevator cab to safe floors elevator shunt trip works a little different.

Notifier Fire Alarm Chicago Aurora Naperville Schaumburg

Notifier Fire Alarm Chicago Aurora Naperville Schaumburg

Shunt trip fire alarm wiring diagram. Using an addressable relay module frm 1 to operate the shunt trip breaker directly. In the case of elevators a shunt trip breaker is installed so that the fire alarm can send a signal to the shunt trip breaker to interrupt the flow of electricity to the elevator. 2always de energize primary and secondary circuits if a circuit breaker cannot be removed to a safe work location. Elevator shunt trip is a function that involves shunting the breaker that controls the elevator equipment prior to the release of the automatic sprinkler systems. Shunt trip and overcurrent trip switch warning 1only qualified electrical personnel should be permitted to work on the equipment. Elevator controls play a huge role in fire alarm system emergency functions.

Here is some images of shunt coils and after that we will discuss the shunt trip breaker wiring diagram with image symbol diagram. When any heat detector is activated primary elevator power shall be shut down via a shunt trip breaker supplying the elevator equipment. Elevator equipment elevator machine room elevator recall waterflow backflow piv and osy sprinkler waterflow flapper. Using an addressable relay module frm 1 to operate the shunt trip breaker directly. On all of the fire systems i have wired we put. 3 941 where heat detectors are used to shut down elevator power prior to sprinkler operation the detector shall have both a lower temperature rating and a higher.

Every elevator will need the following fire alarm devices. Elevator equipment elevator machine room elevator recall waterflow backflow piv and osy sprinkler waterflow flapper. Smoke detector in every elevator lobby. The shunt trip power must be 120vac and must be supervised by the fire alarm system. Elevator shunt trip wiring can be confusing as it is required to be outside the elevator machine room and monitored for the presence of operating voltage. This diagram can help clear up the wiring in of fire alarm modules and relays.

This diagram can help clear up the wiring in of fire alarm modules and relays. Where elevator hoistways or. In this way the risk of electrocution or control malfunctioning resulting from the operation of the overhead water sprinkler is eliminated. Elevator shunt trip fire alarm requirements here are the requirements for heat detector placement monitoring of power and wiring diagram from 1999 nfpa 72. 3drawout circuit breakers should be levered racked out to the disconnect position. Now lets how to wire shunt trip device accessory its too simple as i shown in above shunt trip device images that a shunt coil have only to wires just like a magnetic contactor or magnetic relay coil.

Installation wiring to such detectors are monitored by the building fire alarm system and if the activation of such detectors initiates a supervisory signal at a constantly attended. This diagram can help clear up the wiring in of fire alarm modules and relays.

Gallery of Shunt Trip Fire Alarm Wiring Diagram

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