2-5. Installation and Setting-up Instructions.a .General.The engine generator set should beinstalled on a level site, clear of obstacles, and withample ventilation.The site must be within 25 feetof any paralleled generator set, 25 feet of any auxi-liary fuel supply and 500 feet of any remote controlarea.b .OutdoorInstallation.When preparing for apermanent installation, be sure the base is solidenough to support the weight of the unit. See figure2-1 for dimensions of the base. Select a locationwhere there will be sufficient space on all sides forservicing and operation of the engine generator set.When preparing a temporary installation, move theengine generator set as close to the worksite aspractical. Use suitable planks, logs, or othermaterial for a base in an area where the ground issoft .c.IndoorInstallation.Keep the area well venti-lated at all times, so that the engine generator setwill receive a maximum supply of air. If a freesupply of fresh air is not available, provide ductwork, with an opening at least as large as the radiator,to the outside of the installation. If louvers are usedat the air entrance, increase the duct work size by25 to 50 percent.Loosen the screw and nut whichsecure the weather cap to the exhaust outlet and re -move the weather cap. Install a gas-tight metal pipeexhaust from the exhaust outlet to the outside of theinstallation.The termination of the exhaust pipeshall be such that hot gases or sparks will be dis -charged harmlessly and will not be directed againstcombustible material or into an area containingflammable gases or vapors. Use as few bends inthe pipe and as short a pipe as possible. The ex-haust pipe should include a low point with suitablemeans for draining of condensate. Provide metalshields, 12 inches larger in diameter than the ex-haust pipe where the line passes through flammablewalls. Wrap the exhaust pipe with asbestos if thereis any danger of anyone touching it. Refer to figure2-1 for dimensions, air flow requirements and floorloading requirements.WARNINGDo not operate the engine generator set in anenclosed area unless the exhaust gases arepiped to the outside. Inhalation of exhaustfumes will result in serious illness or death.d.Leveling,The engine generator set is aportable unit and is designed to operate satisfactorilyup to 15° out-of-level. Set up the unit as level aspossible and keep it as level as possible duringoperation.e.Grounding. The engine generator set must begrounded prior to operation. The ground can be, inorder of preference, (1) an underground metallicwater piping system, (2) a driven metal rod or(3) a buried metal plate (fig. 2-2). If the effectivelygrounded portion of the buried metallic water pipeis less than 10 feet due to insulated sections orjoints, this preferred grounding method must besupplemented by an additional driven metal rodground or a buried metal plate ground. A drivenmetal ground rod must have a minimum diameterof 5/8 inch if solid or 3/4 inch if pipe, and drivento a minimum depth of 8 feet. A buried metalground plate must have a minimum area of 9 squarefeet, minimum thickness of 1/4 inch, and be buriedat a minimum depth of 4 feet. The ground leadmust be at least No. 6 AWG (American Wire Gauge)copper wire. Ground rods are available as optionalequipment. The procedures for making a groundconnection are shown in figure 2-2.f.Generator Load Connections. Instructionsfor making the required generator load connectionsare designated in figure 2-3.2-6. Equipment Conversion.a.Conversion instructions for equipment opera-tion at 120/208 Vac or 240/416 Vac are given infigure 2-4.b .Conversion instructions for equipment opera-tion of 50 or 60 Hz are given in figure 2-6.c.Conversion instructions for remote operationby removal and relocation of the control cubicle aregiven in paragraph 2-23.Figure 2-1A. Noise level warning.Change 22-3
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