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, ,SyF9tem Design <br /> �-6.1.1.2 �zet� ��J t� In0 �neh�s in I'erirneter <br /> Two Ell�P nozzles, P/N 87-120011-001, pointing in the same direction are required for protection of <br /> ducts with perimeters greater than 50 inches and less than or equal to 100 inches. Ducts can be of <br /> unlimited length (refer to Figure 3-30). <br /> For other option of ducts up to 75 perimeter inches (See Figure 3-32). <br /> Note: All Range Guard systems are listed by UL and ULC for use with the e�aust fan either on or <br /> off when the system is discharged. <br /> DUCT <br /> � <br /> HOOD <br /> X <br /> ��E��� I � ��� �/d ��zd MAX.DIAMETER 31.83 in.(809 mm) <br /> /aX /zX <br /> � i � � NOZZLES TO BE ALONG ONE <br /> 25 in.(635 mm) CENTERLINE AT THE 1/4 POINTS. <br /> MAX.SIDE � � ♦ � ♦ ♦ N071LES TO BE 0-6 in.(0-152 mm) <br /> �_ UP FROM ENTRANCE OF VERTICAL DUCT <br /> MAX.DIAGONAL 11.78 in.(300 mm) <br /> MAX.DIAGONAL n'P•(Z)ADP NOZZLES <br /> 11.78 in.(300 mm) <br /> SQUARE RECTANGULAR ROUND <br /> � <br /> � ADP NOZZLE <br /> i <br /> � Oto6in. <br /> � — (0 to 152 mm) <br /> 1 . <br /> DUCT ENTRANCE � <br /> C�c OF VERTICAL DUCT <br /> i <br /> — — j — — — ' Q�e. OF HORIZONTAL DUCT <br /> ' � <br /> i <br /> 2-4 in.(51 mm-102 mm) ADP NOZZLE ��� AIM POINT <br /> NOZZLE TIP TO DUCT HIP <br /> ' <br /> VERTICALIHORIZONTAL DUCT • <br /> Figure 3-30. Duct Protection Using Two ADP Nozzles, P/N 87-1200 1 1-00 1 <br /> � � <br /> , <br /> P <br /> April 2009 3-36 P/N 60-9127100-000 <br />