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REVISIONS <br /> REVISIONS By <br /> DESCRIPTION DATE: <br /> 0� A� I <br /> L <br /> 0 <br /> 0 <br /> 2�€ <br /> U Q <br /> I I � <br /> Ia) <br /> U <br /> I I > 0 <br /> Q O <br /> M <br /> U � <br /> I I ca <br /> I � > <br /> II Q <br /> VIII <br /> II <br /> II � <br /> J <br /> Exhaust fan I Q <br /> I w <br /> I o co <br /> I � co <br /> L() <br /> Vented curb per NFPA-96 � <br /> N Q <br /> N (� <br /> rn Z — O <br /> 2 U <br /> Adjustable Duct <br /> Fan adapter plate a W � O <br /> with ceramic gasket V 1¢i � N O <br /> REDUCED CLEARANCE Adjustable collar J N � o Q <br /> 1 }_/�� <br /> W UJ <br /> l_- x — <br /> DETAIL Z z E) < z <br /> W C� Z <br /> 3/4"REDUCED I 6i U) W cow <br /> W <br /> CLEARANCE ` z <br /> U) -7 <br /> Outer double V-clampI CD WCD <br /> J <br /> Inner V-clamp ` 0 U) LU <br /> U CW <br /> D <br /> N � <br /> E M <br /> ryL�� <br /> ,�. <br /> o y <br /> FACTORY BUILT DOUBLE WALL GREASE DUCT MODEL DW-2R SPECIFICATION: <br /> FURNISH DOUBLE WALL,FACTORY BUILT GREASE DUCT FOR USE WITH TYPE I KITCHEN HOODS,WHICH f Standard duct 0 <br /> CONFORMS TO THE REQUIREMENTS OF NFPA-96. PRODUCTS SHALL BE ETL LISTED TO UL-1978 AND UL-2221 V <br /> FOR VENTING AIR AND GREASE VAPORS FROM COMMERCIALCOOKING OPERATION. TESTING HAS BEEN CU <br /> CU <br /> EXTENDED TO RECONGNIZE ASTM E2336 AND AC101 DUE TO SIMILAR TESTING CRITERIA. MODELS DW-2R,3R <br /> AND 3Z ARE USED FOR GREASE DUCT APPLICATIONS WHEN INSTALLED IN ACCORDANCE WITH THESE Q <br /> INSTRUCTIONS AND NFPA 96;STANDARD FOR VENTILATION CONTROL AND FIRE PROTECTION OF COMMERCIAL <br /> COMBUSTIBLE COOKING OPERATIONS. DOUBLE WALL GREASE DUCTS ARE LISTED FOR A CONTINUOUS INTERNAL 00 <br /> TEMPERATURE OF 500 DEGREES F AND INTERMITTENT TEMPERATURES OF 2000 DEGREES F. M <br /> SURFACE THE DUCT SECTIONS SHALL BE CONSTRUCTED OF AN INNER DUCT WALL AND AN OUTER WALL WITH CM <br /> INSULATION IN BETWEEN. THE INNER DUCT WALL SHALL BE CONSTRUCTED OF.036 INCH THINK,430 TYPE Liz <br /> STAINLESS STEEL AND BE AVAILABLE IN DIAMETERS 8"THROUGH 24". THE OUTER WALL SHALL BE C7 <br /> CONSTRUCTED OF STAINLESS STEEL AT A MINIMUM OF.024 INCH THICKNESS. THE DUCT,BASED ON MODEL Insulated cleanouts to be provided <br /> DOUBLE V-BAND NUMBER,SHALL INCLUDE LAYERS OF SUPER WOOL 607 PLUS INSULATION BETWEEN THE INNER AND OUTER p <br /> WALL. GREASE DUCT JOINTS SHALL BE HELD TOGETHER BY MEANS OF FORMED V CLAMPS AND SEALED WITH in accordance with all state and local ___ <br /> 3M FIRE BARRIER 2000+, THE DUCT WALL ASSEMBLY SHALL BE TESTED AT 3/4"OR ZERO INCH CLEARANCE, UCode req uirements. Q <br /> ACCORDING TO CLASSIFICATIONS. Q <br /> DUCT CLASSIFICATIONS AND CLEARANCES LJJ <br /> U <br /> UL 2221: STANDARD FOR FIRE RESISTIVE GREASE DUCT ENCLOSURE ASSEMBLIES. CHAPTER 7 OF THIS <br /> STANDARD REFERENCES A TEST LABELED INTERNAL FIRE TEST.SECTION 7.1.1 REFERENCES TWO V♦ z <br /> INSTALLATION CONDITIONS,CONDITION A AND CONDITION B. CONDITION A REPRESENTS ALL INSTALLATION gig <br /> CONDITION EXCEPT FOR INSTALLATION WITHIN NON-VENTILATEDCOMBUSTIBLE ENCLOSURES. CONDITION B W < <br /> REPRESENTS INSTALLATION WITHIN A NON-VENTILATED COMBUSTIBLE ENCLOSURE. fYY� <br /> MODEL DW-2R IS CLASSIFIED UNDER UL2221 AS AN ALTERNATE TO 2-HR FIRE RESISTIVE SHAFT ENCLOSURES <br /> WITH A REDUCED CLEARANCE TO COMBUSTIBLES(SIZES 8"TO 16"DIAMETER). MODEL 2R IS LISTED IN <br /> ACCORDANCE WITH THE REQUIREMENTS FOR DUCT ENCLOSURE CONDITION B. Lu O <br /> J _J <br /> MODEL DW-2R:3/4"CLEARANCE TO COMBUSTIBLES FROM THE SURFACE OF THE DUCT OUTER SHELL; ZEROR Horizontal support assembly-see installation manual for H t j <br /> INCH CLEARANCE FROM COMBUSTIBLES FROM THE TIP OF THE OUTER V BAND. <br /> requirements. O Z Q <br /> DOUBLE WALL GREASE DUCT SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S <br /> "INSTALLATION,OPERATION AND MAINTENANCE MANUAL,"ETL LISTING,STATE AND LOCAL CODES. FANS " G 0Lu N <br /> UJ <br /> SHALL BE SUPPORTED INDEPENDENTLY FROM THE GREASE DUCT SECTIONS. PROTECT GREASE DUCT FROM Vertical supe assembly. V <br /> TWISTING OR MOVEMENT CAUSED BY FAN TORQUE OR VIBRATION. L <br /> See installationmanual for (D <br /> CERTIFICATIONS: rE quirements. a r O r <br /> THE DW-2R SERIES HAS BEEN CERTIFIED BY ITS. THIS CERTIFICATION MARK INDICATES THAT THE PRODUCT (V <br /> HAS BEEN TESTED TO AND HAS MET THE MINIUM REQUIREMENTS OF A WIDELY RECOGNIZED(CONSENSUS) <br /> U.S.AND CANADIAN PRODUCTS SAFETY STANDARD,THAT THE MANUFACTURING SITE HAS BEEN AUDITED,AND <br /> THAT THE APPLICANT HAS AGRRED TO A PROGRAM OF PERIODIC FACTORY FOLLOW-UP INSPECTIONS TO <br /> VERIFY CONTINUED PERFORMANCE. <br /> See installation manual Adjustable ducts are used on runs over 1 00f to compensate for <br /> for minimum overlap - thermal expansion. See installation manual for requirements. <br /> requirements. <br /> HOOD SHEET <br /> 2 Duct run shown is for example purposes only. <br /> See mechanical plans for additional information. Q eROFESS/oyq <br /> U `� C, XIA0 y �y <br /> Q <br /> U No. <br /> w 6-30-23 *I <br /> Insulated riser cover ~ sT C I V O- <br /> QqTF OF CA <br /> Riser C <br /> G <br /> DEMONSTRATIONS ARE AVAILABLE AT THE <br /> CALIFORNIA BAY AREA DISPLAY CENTER <br /> FOR PRICES AND QUESTIONS, CALL dditional information including installation manual available at DATE: <br /> Designed by : T.W <br /> DANNY NG www.captiveaire.com. <br /> REFERENCE JOB# 2053050 DWG.#: <br /> REG91 @CAPTIVEAIRE.COM <br /> HOOD 2053050 Date : Mar 26, 2022 <br /> PHONE: (415)956-2200 FAX: (919)227-5940 <br /> DRAWN <br /> BY: Scale : AS SHOWN <br /> SCALE: <br /> 3/4" = V- 0" Drawn : W.P.D. <br /> MASTER DRAWING Job : <br /> SHEET <br /> SHEET NO. H =4 <br /> 4 <br /> OF SHEETS <br />