Calectro UG-5-A6O in UNITED STATES

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Smoke entering the duct system will be dispersed throughout the whole building. The Uniguard duct detectors utilizes the photoelectric sensing method and is designed to sense the existence of smoke in the duct. This design of the housing along with the detector technology is capable of detecting unsafe conditions by sampling the air through the duct.

When the smoke is detected, it will emit a signal that will create the urgency for proper action to be taken to turn off circulating fans, blowers and any other auxiliary devices that are connected to the system. The actions taken will enable the management of hazardous smoke through the entire space that is being protected by the duct detection arrangement.

Uniguard has the option of operating with 24V DC/AC or 120V AC. Alarm and supervisory relay contacts are accessible to interface with control panel, HVAC control, and multiple auxiliary functions including turning off the fan. The Uniguard can be installed on any side of the duct in four different positions: 0°, 90°, 180° and 270°.

The detector UG-5-A6O contains an intelligent controlling circuit. This circuit is adjusting the sensitivity to give an optimal function during the whole life time of the detector. When the controlling circuit can no longer compensate for contamination, a service alarm is indicated.
Installation
Uniguard detector is designed to be used in air handling systems with air velocities of 100 to 4000 ft/min (0,5 to 20,32 m/s). Duct widths from 6" to 9 ft (0.15 to 2.8 m) can be accommodated.

Follow engineering specifications to ensure that the air velocity in the duct falls within these parameters.

A sampling tube must be ordered to complete the installation. The sampling tube should penetrate approx. 90% of the width of the duct. The sampling tube is made of aluminium and can easily be shortened to suit the diameter of the duct. Sampling tube lengths: 1 ft, 2 ft, 5 ft and 9 ft (0.3, 0.6, 1.5 and 2.8 m). For more information please see the Uniguard UG-5-A6O Installation and maintenance manual.

Operating temperature: 32°F to 100°F (0°C to 38°C)
Storage temperature: -22°F to 158°F (-30°C to 70°C)
Humidity: 0 to 95% rH
Duct air velocity range: 100 - 4000 ft/min (0,5 - 20,32 m/s)
Dimensions (LxWxD): 9,49x7,68x2,68" (241x195x68 mm)
Weigh: 1,04 kg
Air sampling tube: Aluminium

ORDERING EXAMPLE
Item code Designation
UG-5-A6O Duct smoke detector
ST1 Sampling tube length: 1 ft (0.3 m)
ST2 Sampling tube length: 2 ft (0.6 m)
ST5 Sampling tube length: 5 ft (1.5 m)
ST9 Sampling tube length: 9 ft (2.8 m)

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