ESL 521BXT Frequently Asked Questions

How Does a Fire Detector Work?
There are two primary methods for detecting a fire. These are through either smoke detection and heat detection. For that reason, a "fire detector" is more commonly referred to as a "smoke detector" or a "heat detector". There are also combo smoke and heat sensors. Learn more about these devices.
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What's the Best Place to Install a Smoke Detector?
When choosing a location for a smoke detector, there are some things to remember. For example, it should be placed away from any vents or ducts that might affect its performance. It should also be at least 10 feet away from any kitchen appliances. Learn more about where to place a smoke detector.
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How Do I Add a 2-Wire Smoke Detector to My Wireless Alarm System?
Adding a 2-wire smoke detector to a wireless alarm system is not possible. A 2-wire smoke detector can only be added to Zone 1 of a wired alarm system. This is because that particular zone contains specific logic needed for a 2-wire smoke to function properly. Learn more about 2-wire smokes.
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Will a Smoke Detector Detect Heat?
Not all smoke detectors are designed to detect the presence of high heat. These sensors will only detect high heat if that is a specific function of the device. Otherwise, a smoke detector will only detect smoke, and nothing more. Learn more about smoke detectors and their functionality.
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How Do I Test My 521BXT Smoke Detector for Proper Function?
To test a 521BXT Smoke Detector for proper function, use canned smoke to test the device's smoke detection and a hair dryer to test its heat detection.
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How Do I Test the ESL 521BXT for Heat Detection?
You can test the heat detection of the 521BXT by using a hair dryer to shoot hot air onto the device. A successful test will be indicated by a loud siren.
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How Do I Clean My ESL 521BXT Smoke and Heat Detector?
You can clean your ESL 521 BXT Smoke and Heat Detector by removing the optical chamber inside the device and removing any dust and dirt that is present.
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How Do I Test the ESL 521BXT for Smoke Detection?
To test a 521BXT for smoke detection, shoot canned smoke into the vents of the device. A loud siren emitting from the detector indicates a successful test.
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