System Sensor RTS451KEY. Remote Test Switch.

The System Sensor RTS451KEY is an automatic fire detector accessory designed to test remotely located duct and beam detectors. For 4-wire detectors, the System Sensor RTS451KEY features a multi-colored LED that alternates between steady green and red. Green indicates power as well as that the detector board is in place. Additionally, red indicates alarm. Also, for 2-wire detectors, the LED will show red for alarm. Furthermore, consult the detector installation instructions for additional information.

The National Fire Protection Association has published codes, standards, and recommended practices for the installation as well as use of this product. Also, it is recommended that the installer be familiar with these requirements, with local codes, and any special requirements of the local authority having jurisdiction.

Turn the key counterclockwise to the “RESET” position and hold. The LED should turn off. Then, turn the key back to the “NORMAL” position and remove. Furthermore, the RTS151KEY(A) is capable of resetting only certain models of detectors. Refer to the detector installation instructions for additional information.

Features / Specifications

• Test Function
• Alarm Indication
• Reset Function
• Power LED (Green): 14 – 35 VDC
• Alarm LED (Red): 2.8 – 32 VDC
• Response Time: 40 seconds
• Temperature: –10°C to 60°C
• Humidity: 95% relative humidity