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power wiring (optional transfer switch) and control wiring3. Battery (not included)4. Ground ConnectionAfter installation, the post installation checks must be performed prior to starting the engineAfter these checks have been performed and the system operation is verified to be good, refer to! Section 5 Maintenance for periodic checks that must be performed at scheduled intervals to! ensure continued operation with minimal problemsFuel Connections! Fuel selection is Natural Gas or LPG (Liquid Propane Gas). If natural gas supply is used, follow! the .Natural Gas Connections. procedure. If LPG supply is used, follow the .LP Gas! Connections. procedure. Table 3-4 defines the flow rate required for each fuel type. Table 3-4 Fuel Consumption Natural and LPG! Generator Model!Fuel Consumption at 100% load (cubic feet per hour)! Natural Gas!LP Gas! GLC30!14.9!5.6! GLC35!16.3!6.0! GLC45!16.5!6.9! GLC50!20.7!8.2! GLC60!22.1!9.1! GLC80!28.7!12! GLC100!32.1!13.8! GLC125!46.8!16.5! General Considerations! 1.A generator set needs the engine to deliver 2 hp of energy to the alternator for every! 1000 watts of electric output power (example: an 8000 watt generator needs the engine! to deliver 16 hp of energy to the generator end) 2.An engine needs 10,000 BTU.s of fuel energy per horsepower of engine power to! provide a sufficient supply of fuel (example: a 16 Hp engine needs 160,000 BTU.s of! fuel energy for it to work properly). This fuel must be supplied to the regulator on the! generator set at a pressure of 6 oz (11 inches of water column). To achieve this 6 ozpressure in a L.P. System, you will normally have to reduce the tank pressure by! means of a primary regulator or a regulator system of 2 or more regulators 3.There are 2,516 BTU.s in one cubic foot of Propane (LP Fuel)There are 1,096 BTU.s in one cubic foot of Natural Gas4. There are 36.39 cubic feet in one gallon of PropaneThere are 57.75 cubic feet in one gallon of Natural Gas5. There are 8.58 cubic feet per pound of PropaneThere are 23.56 cubic feet per pound of Natural Gas 6.When installing the piping for the gaseous fuel supply please refer to the pipe chart in! Tables 3-5 and 3-6 to be sure you are using piping of significantly large size to deliver! the necessary amount of fuel 7.If copper tubing is used, it should be .K. or .L. having a minimum wall thickness of! 0.032 inches. Black Iron Pipe is recommended but follow building codes for your areaThe following pamphlets are available from:! National Fire Protection Association (NFPA) P.O. Box 9101 Quincy, MA 02268 No. 37 . Combustion Enginer No. 54 . Gaseous Appliances and pipinf No. 58 . Storage and handling LPF 3-6 Receiving & Installation!MN2407 Example: Determining Pipe Size for Natural Gas! A generator has a 16Hp engine 60 feet from the supply. ! Determine the supply pipe size for Natural Gas fuel16 x 10,000 = 160,000 BTU.s / per hour for proper operation 160,!000! . 146!cubic!feet!per!hour1,! 096! ! From Table 3-6, a 60 foot run requires a minimum 1. pipe at full engine load Natural Gas Connections! The incoming pressure must be 11 inches water column (6 oz. pressure) Table 3-5 Natural Gas Flow Rate (Cubic Feet per Hour) per Pipe Length! Pipe! LengthLength! (Feet)! Iron Pipe Size! 1/2!. 3/4!. 1. 1.1/4!. 1.1/2!. 2. 2.1/2!. 3. 4. 6. 8. 15!73!165!332!722!1174!2386!3704!6253!13352!37229! 30!50!115!232!515!818!1712!2646!4521!9331!26330!53728! 45!41!95!191!418!673!1419!2213!3752!7600!22462!43867! 60!37!83!166!366!587!1241!1924!3319!6542!18595!37999! 75!74!149!332!524!1077!1684!2886!5772!16652!33959! 90!67!137!298!433!962!1501!2597!5291!15200!31025! 105!63!126!274!885!1376!2357!4906!14064!28715! 120!115!260!404!827!1289!2213!4618!13160!26859! 150!105!233!366!750!1174!2011!4185!11775!24050! 180!96!216!337!693!1077!1876!3848!10736!21934! 210!89!197!308!635!991!1712!3559!9937!20298! 240!183!289!596!933!1616!3357!9235!18990! 270!171!274!558!875!1520!3127!8658!17903! 300!164!260!524!827!1433!2886!8177!16998! Note:!Almost all operation problems are related to the installation techniques used. Do Not! guess, be sure pipe size is adequate for required flow rate 1.Connect the proper size gas pipe at the Inlet Connection to the Fuel Lock SolenoidConnect the Natural Gas pipe line shown in Figure 3-3 using the correct size pipe for! the required flow rate and length of pipe. Refer to Table 3-5 for pipe size. Be certain! that all connections are sealed and no leaks are present. The installer must ensure! that all gas connections comply with all building codes 2.Verify Fuel Supply Pressure! Prior to initial operation of generator, verify that fuel system pressure is 11. Water! Column (6 oz. pressure) and fuel pipe sizes comply with Table 3-5 3.Proceed to Electrical Connections Figure 3-3 Gas Line Connections ! . . . " . # $ !. % & '() ''% & (* $++, - --) ''& & $ - )- ( $)$ -- ()$ + .$ /012 3-- ! "#$ $!( - 4" MN2408!Receiving & Installation 3-6 Example: Determining Pipe Size for LPG! A generator...
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