System Sensor InnovairFlex Reset Enhancement

3 2011 FIELD BULLETIN InnovairFlex Reset Enhancement power up operation of 4 wire InnovairFlex duct smoke detectors has been improved the product has been modified to close the supervisory relay instantly upon up like previous DH100 Series duct smoke detectors This improvement will nuisance troubles at the panel whenever the product is first powered up or reset change will be included in all 4 wire InnovairFlex duct smoke detectors manufactured or after April 11 2011 to April 11 2011 the InnovairFlex 4 wire duct smoke detectors held the supervisory open for approximately 35 seconds after power up or a reset signal That process in trouble conditions at the panel Models determine if 4 wire InnovairFlex duct smoke detectors have this new power up enhancement after April 11 2011 please refer to the date code on the product it can be found in the area circled in red below The 4 digit date code represents the month and week of manufacture For example date code is defined as 1 04 April 2 2nd week of the month Ohio Avenue St Charles Illinois 60174 Phone 800 SENSOR2 Fax 630 377 6583 www systemsensor com