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Manual de usuario Generac, modelo 04389-1, 04456-1, 04390-1

Fabricar: Generac
Tamaño del archivo: 4.23 mb
Nombre del archivo: a3941f1c-070d-412d-ba7b-ee92307065d6.pdf

Idioma del manual:en

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Resumen del manual


Generac® Power Systems, Inc. 9 Section 2 — Post Installation Start-up and Adjustments Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Be sure the utility power supply is turned off and the 5A and 15A fuses are removed from the generator control panel, or sparking may occur at the battery posts as you attach the cables and cause an explosion. 2.1 BEFORE INITIAL START-UP Before starting, complete the following: 1. Set the generator’s main circuit breaker to its OFF (or open) position. 2. Set the generator's Auto/Off/Manual switch to the OFF position. 3. Turn OFF the utility power supply to the transfer switch using the means provided (such as the utility main line circuit breaker). 4. Turn OFF all loads connected to the transfer switch terminals T1 and T2. 5. Check the engine crankcase oil level and, if necessary, fill to the dipstick FULL mark with the recommended oil. Do not fill above the FULL mark. 6. Check the fuel supply. Gaseous fuel lines must have been properly purged and leak tested in accordance with applicable fuel-gas codes. All fuel shutoff valves in the fuel supply lines must be open. ! Never operate the engine with the oil level below the “Add” mark on the dipstick. Doing this could damage the engine. 2.2 CHECK TRANSFER SWITCH OPERATION Refer to Section 3.5 (Page 15), of the owner’s manual for manual operation procedures. DANGER Do not attempt manual transfer switch operation until all power voltage supplies to the transfer switch have been positively turned off. Failure to turn off all power voltage supplies will result in extremely hazardous and possibly fatal electrical shock. 2.3 ELECTRICAL CHECKS Complete electrical checks as follows: 1. Set the generator's main circuit breaker to its OFF (or open) position. 2. Set the generator's Auto/Off/Manual switch to the OFF position. 3. Turn OFF all loads connected to the transfer switch terminals T1 and T2. 4. Turn on the utility power supply to the transfer switch using the means provided (such as a utility main line circuit breaker). 10 Generac® Power Systems, Inc. DANGER The transfer switch is now electrically “hot.” Contact with “hot” parts will result in extremely hazardous and possibly fatal electrical shock. Proceed with caution. 5. Use an accurate AC voltmeter to check utility power source voltage across transfer switch terminals N1 and N2. Nominal line-to-line voltage should be 240 volts AC. 6. Check utility power source voltage across terminals N1 and the transfer switch neutral lug; then across terminal N2 and neutral. Nominal line-toneutral voltage should be 120 volts AC. 7. When certain that utility supply voltage is compatible with transfer switch and load circuit ratings, turn OFF the utility power supply to the transfer switch. 8. On the generator panel, set the Auto/Off/Manual switch to MANUAL. The engine should crank and start. 9. Let the engine warm up for about five minutes to allow internal temperatures to stabilize. Then, set the generator’s main circuit breaker to its ON (or closed) position. DANGER Proceed with caution! Generator power voltage is now supplied to the transfer switch. Contact with live transfer switch parts will result in dangerous and possibly fatal electrical shock. 10. Connect an accurate AC voltmeter and a frequency meter across transfer switch terminal lugs E1 and E2. Voltage should be 242-252 volts; frequency should read about 61-63 Hertz. 11. Connect the AC voltmeter test leads across terminal lug E1 and neutral; then across E2 and neutral. In both cases, voltage reading should be 121126 volts AC. 12. Set the generator’s main circuit breaker to its OFF (or open) position. Let the engine run at no- load for a few minutes to stabilize internal engine generator temperatures. 13. Set the generator's Auto/Off/Manual switch to OFF. The engine should shut down. NOTE: It is important that you do not proceed until you are certain that generator AC voltage and frequency are correct and within the stated limits. Generally, if both AC frequency and voltage are high or low, the engine governor requires adjustment. If frequency is correct, but voltage is high or low, the generator’s voltage regulator requires adjustment. Section 2 — Post Installation Start-up and Adjustments Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 2.4 GENERATOR TESTS UNDER LOAD To test the generator set with electrical loads applied, proceed as follows: 1. Set generator’s main circuit breaker to its OFF (or open) position. 2. Turn OFF all loads connected to the transfer switch terminals T1 and T2. 3. Set the generator's Auto/Off/Manual switch to OFF. 4. Turn OFF the utility power supply to the transfer switch, using the means provided (such as a utility main line circuit breaker). Do not attempt manual transfer switch operation until all power voltage supplies to the transfer switch have been positively turned off. Failure to turn off all power voltage supplies will result in extremely hazardous and possibly fatal electrical shock....

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