SD505-AHS Addressable Heat Detector
The SD505-AHS is a heat detector suited to virtually any commercial setting. The SD505-AHS is an absolute temperature device. This means that it responds to an alarm immediately if the temperature goes above the trip point (programmed at the panel).
The SD505-AHS provides accurate temperature measurement data to the fire alarm control panel. This heat detector is particularly suited to environments where smoke detectors cannot be used because of the presence of steam or cooking fumes such as in a kitchen.
Operation:
The SD505-AHS unit is made up of an externally mounted thermistor with a specially designed cover that protects the thermistor while allowing maximum air flow. The thermistor reads the temperature from the air it takes in. It then transmits an analog signal representing the temperature to the IntelliKnight panel.
If the temperature exceeds the trip point (programmed at the panel), an alarm occurs. The status LED lights continuously during the alarm period.
Under normal conditions, the status LED blinks approximately every 15 seconds, indicating that the head is communicating with the loop.
Features:
- Low profile, 2 inches, including base
- Absolute temperature device
- Simple and reliable addressing
- Uses digital communication protocol
- Built-in fire test feature
Specifications:
- Operating Voltage: 17-41 VDC
- Current Consumption: Standby: .55 mA Alarm: .55 mA
- Detection Temperature Range: 135°F to 150°F (57°C TO 65°C)
- Ambient Temperature: 32°F to 100°F (0°C to 37°C)
- Mounting: 4” SQR, 4” OCT Single gang mud ring
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