Autocall Weatherproof Duct Housing Enclosure A4098-9845

TrueAlarm Analog Sensing Duct Housing Enclosure A4098 9845 Weatherproof Duct Housing Enclosure Velocity Range ft min to 4000 ft min 91 to m min Listed External Range to 158 F 40 to C Listed External Conditions Enclosure to 100 RH to Application Ambient vs Graph additional body and door light gray PBT PC blended UL94 5VA flammability rating UV W x 15 H x 7 1 8 D 562 mm x 381 x 181 mm to 100 F 0 to 38 C Duct Sensor Housing A4098 9755 A4098 9756 Listed Temperature Temperature Temperature Range to 90 RH non condensing to 140 F 18 to 60 C to 122 F 0 to 50 C ULC CSFM Listed duct housing enclosure for use with the TrueAlarm addressable duct sensor housings ordered A4098 9755 Standard Duct Sensor Housing A4098 9756 Duct Sensor Housing with Relay Output duct sensor housing details Photoelectric sensor and exhaust tube are supplied Sampling tube is ordered separately per duct size Continuous communications actively monitors status of electronic Refer to Autocall data sheet AC4098 0030 for additional duct sensor details duct housing enclosure features Circulation of conditioned air from the air duct helps maintain the housing at its rated temperature range Nonmetallic material does not require painting Captive cover screws Intake and exhaust tubes for weatherproof duct housing enclosure are Internal mounting plate is removable to provide a convenient drilling Includes required gaskets UL listed to Standard 268A detection system designs that require smoke detection of an HVAC duct that is exposed to environmental extremes provide protection against the anticipated temperatures and weather conditions The A4098 9845 Weatherproof Duct Housing provides for the circulation of conditioned air around the mounted addressable duct sensor housing to maintain the housing at its rated temperature range and provide protection ambient environmental extremes 1 View of Weatherproof Duct Housing Enclosure with Duct Tube Detail and Cutaway Showing Housing refer to Installation Reference for details This product has been approved by the California State Fire Marshal CSFM pursuant to Section 13144.1 of the California Health and Safety Code See CSFM Listings 7300 2269 0530 and for allowable values and or conditions concerning material presented in this document Additional listings may be applicable contact your local product supplier for the latest status Rev 4 1 2020 Reference Side View Refer to Installation Instructions 574 922AC for additional information Duct Housing Enclosure A4098 9845 2 Rev 4 1 2020 Reference Front View Showing Preferred and Alternate Orientations Refer to Installation Instructions 574 922AC for additional information Duct Housing Enclosure A4098 9845 3 Rev 4 1 2020 Duct Housing Enclosure A4098 9845 Reference Ambient Temperature vs Recommended Airflow Graph graph shown below presents the results of controlled laboratory testing performed on a typical A4098 9845 Weatherproof Enclosure protecting internally mounted duct sensor housing The external ambient air temperature of the A4098 9845 Weatherproof Enclosure was varied throughout UL listed operating temperature range Temperatures were recorded within the protected duct sensor housing with varying duct air velocities of air between 68 and 74 F 20 to 23 C graph illustrates how an increase in the test airflow velocity allows the airflow through the weatherproof enclosure to maintain the duct sensor at its rated range as the ambient temperature of the weatherproof enclosure is varied throughout temperatures anticipated for exterior air locations NOTE that for typical external air duct applications heating air would be hotter than 74 F and cooling air would be lower than 68 F the acceptable airflow range accordingly 2020 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice listings may be applicable contact your local Autocall product supplier for the latest status Listings and approvals under Tyco Fire Security GmbH and the names listed in this material are marks and or registered marks Unauthorized use is strictly prohibited NFPA 72 and National Fire Alarm Code are registered of the National Fire Protection Association NFPA Rev 4 1 2020