HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERSCHAPTER 3: INSTALLATION3-33.4 Gas ConnectionsDANGERBefore connecting new pipe to this appliance the pipe must be blown out thoroughlyto remove all foreign material. Foreign material in the burner and gas controls willcause improper and dangerous operation.U.S. NATIONAL CODE REQUIREMENTSThis equipment is to be installed in compliance with the Basic Plumbing Code of the BuildingOfficials and Code Administrators International, Inc. (BOCA) and the Food Service SanitationManual of the U.S. Food and Drug Administration.This equipment is manufactured to use the type of gas specified on the rating plate attached to thedoor. Connect equipment stamped "NAT" only to natural gas and that stamped "PRO" only to LP(Propane) gas.Installation shall be made with a gas connector that complies with national and local codes.Quick disconnect devices, if used, shall likewise comply with national and local codes.DANGERThe fryer MUST be connected to the gas supply specified on the rating and serial numberplate located on the back of the fryer door.DANGERIf gas odors are detected, the gas supply MUST be shut off at the main shut-off valve. Thelocal gas company or FASC should be contacted immediately to rectify the problem.The gas supply (service) line must be the same size or greater than the fryer inlet line. This fryer isequipped with a ¾" (22 mm) male inlet. The gas supply line must be sized to accommodate all thegas-fired equipment that may be connected to that gas supply. Consult your contractor, gascompany, supplier, or other knowledgeable authorities.Recommended Gas Supply Line SizesGas Types Number of Fryers1 2 to 3 4 or more (*)Natural Gas ¾" (22 mm) 1" (28 mm) 1¼" (35 mm)Propane (LP) Gas ½" (15 mm) ¾" (22 mm) 1" (28 mm)(*) When exceeding 18 feet for a configuration of more than four fryers, it is necessary to providea 1¼" (35 mm) rigid gas connection.