Additional Information
| Stock Code | EC-50R |
|---|---|
| Brand | Edwards |
| Family | Fire Protection Equipment |
| Voltage (V) | 10.2 Vdc To 30 Vdc |
| Start Temp. (Min) | 0°C |
| Start Temp. (Max) | 37°C |
| UL Listed | ULC |
Fire Protection Equipment
Input Devices
Overview
The EC-50R/-100R comprises a transmitter and receiver in a single enclosure and is usually installed between 19 inches and 24 inches below the ceiling. The transmitter emits an invisible infrared light beam that is reflected via a prism mounted directly opposite and with a clear line of sight. The reflected infrared light is detected by the receiver and analyzed. Smoke in the beam path will reduce the received infrared light proportionally to the density of the smoke. The detector analyzes this attenuation or obscuration of light and acts accordingly. Detectors are typically mounted within ±30 feet (9.14 m) of a potential fire source. Consult your Authority Having Jurisdiction for spacing requirements specific to your locality.
Standard Features
• Coverage:
– 50R range 15 -160 ft (4.6 - 48.8m);
– 100R range 160- 330 ft (48.8 - 100m)
• Microprocessor controlled
• Automatic drift compensation
• Selectable alarm thresholds
• 24 Vdc operating voltage
• Optional Ground Level Test Station
Application
Reflective beam smoke detectors are ideal for large open areas such as warehouses, hotel atriums, industrial plants and school gymnasiums.
Installation and Mounting
The recommended installation height is approximately 19 to 24 inches (483 to 610 mm) below the ceiling. However, in all installations the National Fire Standards for that country/state must be consulted.
Because of the reflecting properties of the beam, all objects must be kept a minimum of 19 inches (483 mm) away from the centre of the beam path down the entire beam length. If highly reflective surfaces are close to the beam, then greater clearances should be applied.
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