The Series 1000-2000 Fuel Gas Sensors are intended for use with an ISIMET Controller System where fuel gas is controlled. The sensor derives power directly from the controller and transmits a dry-contact or 24VAC signal back to the controller when raw fuel gas is detected, thereby shutting down the gas flow.
A flashing beacon located on the wall plate will notify the user that raw gas has been detected. Once the delay time expires, a signal is transmitted to the Controller. Applying the signal to the Controller will turn OFF the gas circuit, as well as any other circuit that has selected programming to monitor for raw fuel gas detection. The beacon will then remain ON continually until the sensor has been reset. The sensitivity of the sensor is preset at the factory to 500ppm but may be adjusted up to 100,000ppm.
Time delay feature optional pre-set @ 0, 10, 20 or 30 seconds to allow for a momentary delay in notification when raw gas is detected, enabling the user to turn OFF a fuel gas outlet before a notification signal has been sent.
Reset of the unit will only occur once no raw gas is detected. Reset is accomplished by Re-keying the Utility Controller to which it is connected (Series 1000 Only), or by the panel mounted reset switch. Reset by Re-keying the controller will also turn back ON all utilities disabled by the sensor that have their service switch in the ON position.
The Series 3000 Fuel Gas Sensor is designed to operate as an independent detection device for use where only a notification signal to a monitoring system is desired. This unit is self-powered and features both 24VAC and Dry Contact monitoring points.
A flashing beacon located on the wall plate will notify the user that raw gas has been detected. Once the delay time expires, a signal is transmitted to the Controller. Applying the signal to the Controller will turn OFF the gas circuit, as well as any other circuit that has selected programming to monitor for raw fuel gas detection. The beacon will then remain ON continually until the sensor has been reset. The sensitivity of the sensor is preset at the factory to 500ppm but may be adjusted up to 100,000ppm.
Time delay feature optional pre-set @ 0, 10, 20 or 30 seconds to allow for a momentary delay in notification when raw gas is detected, enabling the user to turn OFF a fuel gas outlet before a notification signal has been sent.
Reset of the unit will only occur once no raw gas is detected. Reset is accomplished by Re-keying the Utility Controller to which it is connected (Series 1000 Only), or by the panel mounted reset switch. Reset by Re-keying the controller will also turn back ON all utilities disabled by the sensor that have their service switch in the ON position.
All ISIMET Utility Controllers, Enclosures and Accessories can be certified for two-hour fire rating. Working closely with the industry leader in fire rated materials, ISIMET can offer our enclosures with a one-half inch fire rated blanket. This blanket that is adhered to the outer surface of the enclosure will enable the installer to incorporate the ISIMET product into a fire rated wall without the need for additional blanket or other rated material.
To specify a unit as “Fire Rated” use the following nomenclature: Add to the ISIMET Part Number: Prefix “F2” for all Utility Controllers, Companion Enclosures and Accessories.
Model numbers are for example only:
UtC-F2-12X9 indicates a four-circuit Utility Controller with fire blanket.Copyright © 2016 · All Rights Reserved · Isimet Mapa LLC