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The System Sensor 5601P is a wired single-circuit heat sensor with both fixed temperature and rate-of-rise heat detection. An alarm will occur on the system if the 5601 detects a temperature of 135? (57?) or higher, or if the temperature rises 15? (~8.3?) or more in a single minute. Unlike smoke detectors, a heat sensor like the System Sensor 5601P is not considered to be a life-safety device. However, they are still used to alert users, both on-site and off-site, to a fire on the premises. You typically use heat sensors in areas where a smoke detector may cause a false alarm. Some examples of locations that are popular for heat sensors include garages, outbuildings, kitchens, and bathrooms. The use of a heat sensor in those locations will still let your system know if a fire occurs, but you won't have to be as concerned about a potential false alarm taking place. One thing to consider about a heat sensor like the 5601P is that these devices do not draw power from the alarm panel. This differs from smoke detectors, which require power from the panel for basic operation. Instead, a heat sensor is just a basic mechanical device with a Normally Open (NO) circuit. Like any standalone heat sensor, you can use the 5601P at any wired system zone. In some cases, you might consider using the 5601P with a compatible wireless transmitter like the Honeywell 5817CBXT. That can be a way to interface the 5601P with a wireless system. Once the 5601P is connected, the NO circuit of the sensor will close if a temperature outside of the acceptable parameters is detected. This will complete the alarm circuit, and a fire alarm will occur on the system, provided that the associated zone was properly programmed. Like any Normally Open (NO) device, the 5601P should be used with an end-of-line resistor (EOLR) for supervisory purposes. The required resistor value may differ between different alarm panels, so check the installation manual for your alarm panel to determine the optimal resistor value. For a NO device like the 5601P, the resistor should be wired in parallel at the last device in the circuit. You can use multiple 5601P devices all wired at the same system zone, and you only need a resistor at the last device in the line. Wiring in parallel means that the EOLR will connect across the wire terminals for the sensor. Alternatively, you can connect each 5601P Heat Sensor to its zone, but if you do that, then each sensor should have its own resistor wired in parallel.
