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Istruzioni per l'uso Generac Power Systems, Modello 005221-0

Produttore : Generac Power Systems
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File Nome : 273e54dc-877f-4651-a8cd-7b1dad30b2a9.pdf
Lingua di insegnamento: en
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Turn the main gas supply off. 2. Remove the carburetor fuel hose from the outlet port (Port 1) of the demand regulator (Figure 6.2). 3. Remove the brass hose fitting from the outlet port (Port 1) of the demand regulator. 4. Remove pipe plug from Port 2. 5. Install brass hose fitting into Port 2. 6. Install pipe plug into Port 1. 7. Connect carburetor gas hose to brass fitting. 8. Tighten all clamps and plugs. 9. Make sure fuel supply is of the proper pressure and type for configuration. .. .. 10. Reverse the procedure to convert back to natural gas. 11. The Dip switch inside the control panel must be in the LP or NG position when switching to different fuels. Figure 6.2 — Reconfigure the Fuel System NG FUEL SYSTEM LP FUEL SYSTEM Port 1 Port 2 FUEL HOSE BRASS HOSE FITTING HOUSING PORTS OUT PORT 2 PLUG FUEL HOSE BRASS HOSE FITTING HOUSING PORTS PLUG OUT PORT 1 NOTE: Port 1 is for NG only and Port 2 is for LP vapor only. No provision for dual fuel has been made. NOTE: For LP vapor application substitue LPG fuel inlet decal P/N 050280 for NG fuel inlet decal P/N 050279. Figure 1 — Interconnections 6-2 Standby Generator Sets Specifications GenSpec001 Rev. D 11/05 Standby Generator Sets General Information Standby Generator Sets General Information GENERATOR AC LEAD CONNECTIONS See “Voltage Codes”. This generator may be rated at any one of three voltages, either single-phase or three-phase. The electrical wires in the unit’s AC connection (lower) panel should be installed according to the number of leads and the voltage/phase required for the application. If there are any questions regarding lead connection, refer to the wiring diagrams at the back of this manual. Voltage codes apply to the type of stator assembly installed on a particular generator. • FOUR-LEAD, SINGLE-PHASE STATOR Four-lead generators (see Figure 7.1) are designed to supply electrical loads with voltage code “A” (240V, 1-phase, 60 Hz). Electrical power is produced in the stator power windings. These windings were connected at the factory to the main circuit breaker as shown in Figure 7.1. The rated voltage between each circuit breaker terminal is 240V. The rated voltage between each circuit breaker terminal and the neutral point 00 is 120V. Figure 7.1 — Four-lead, Single-phase Stator ALTERNATOR POWER WINDING CONNECTIONS • 3-PHASE ALTERNATORS The generator is designed to supply 3-phase electrical loads. Electric power is produced in the alternator power windings. These windings were connected at the factory to the main circuit breaker with a “Y” configuration as shown in Figures 7.2 and 7.3. The rated voltage between circuit breaker terminals E1-E2, E1-E3 and E2-E3 is either 480V or 208V depending on the model. The rated voltage between each circuit breaker terminal and the neutral point 00 is either 277V or 120V depending on the model. Figure 7.2 — Stator Power Winding Connections - 3-phase, 277/480V (6 Lead) S1 E1 INTERNAL CONNECTIONS L-L S6 S4 S5 NEUTRAL E3 S3 S2 E2 L-N Figure 7.3 — Stator Power Winding Connections - 3-phase, 120/208V (6 Lead) E1 E3 E2 00 (NEUTRAL) L-L L-N S1 S1 S4 S4 S6 S6S3 S3 S5 S5 S2 S2 7-1 ACConn001 Rev. 0 08/05 Standby Generator Sets Installation Standby Generator Sets Installation INSTALLATION Refer to the separate “Installation Guide QT Product Line” supplied with the unit. PREPARATION BEFORE START-UP The instructions in this section assume that the standby generator has been properly installed, serviced, tested, adjusted and otherwise prepared for use by a competent, qualified installation contractor. Be sure to read the “Safety Rules”, as well as all other safety information in this manual, before attempting to operate this (and related) equipment. Before starting the generator for the first time, the installer must complete the following procedures. For follow-up maintenance information and/or service intervals, please refer to the “Maintenance” section and the “Service Schedule”. • TRANSFER SWITCH If this generator is used to supply power to any electrical system normally powered by an electric utility, the National Electrical Code requires that a transfer switch be installed. The transfer switch prevents electrical backfeed between two different electrical systems. (For additional information, see the applicable transfer switch manual for this unit.) The transfer switch, as well as the generator and other standby components, must be properly located and mounted in strict compliance with applicable codes, standards and regulations. • FUEL SYSTEM Make sure the fuel supply system to the generator (a) delivers the correct fuel at the correct pressure and (b) is properly purged and leak tested according to code. No fuel leakage is permitted. See “Specifications” for more information. • GENERATOR SET LUBRICATION Check the engine crankcase oil level before operating and add oil to the proper level – the dipstick “FULL” mark. Never operate the engine with the oil level below the dipstick “ADD” mark. See “Specifications” ...


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