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CAC / BDP 8kW Owner's Manual
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Contents
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1412. Set the generator’s main circuit breaker to itsOFF (or OPEN) position. Let the engine run at no-load for a few minutes to stabilize internal enginegenerator temperatures.13. Set the generator's AUTO/OFF/MANUAL switch toOFF. The engine should shut down.NOTE:It is important not to proceed until certain thatgenerator AC voltage and frequency are correctand within the stated limits. Generally, if both ACfrequency and voltage are high or low, the enginegovernor requires adjustment* (*GH410 only). Iffrequency is correct, but voltage is high or low, thegenerator’s voltage regulator requires adjustment.2.4 GENERATOR TESTS UNDER LOADTo 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 breakers on the load center of thetransfer box (T1 and T2).3. Set the generator's AUTO/OFF/MANUAL switch toOFF.4. Turn OFF the utility power supply to the transferswitch, using the means provided (such as a util-ity main line circuit breaker). Do not attempt manual transfer switch opera-tion until all power voltage supplies to thetransfer switch have been positively turned off.Failure to turn off all power voltage supplieswill result in extremely hazardous and possiblyfatal electrical shock.5. Manually set the transfer switch to the STANDBYposition, i.e., load terminals connected to thegenerator's E1/E2 terminals. The transfer switchoperating lever should be down.6. Set the generator's AUTO/OFF/MANUAL switchto MANUAL. The engine should crank and startimmediately.7. Let the engine stabilize and warm up for a fewminutes.8. Set the generator’s main circuit breaker to its ON(or CLOSED) position. Loads are now poweredby the standby generator.9. Turn ON the load center of the transfer switch(T1 and T2).10. Connect an accurate AC voltmeter and a frequen-cy meter across terminal lugs E1 and E2.8kW voltage should be greater than 230 volts and•frequency should be greater than 58 Hz.10,• 12, 14, 16, 17 and 20kW voltage should begreater than 240 volts and frequency should be60 Hz.11. Let the generator run at full rated load for 20-30minutes. Listen for unusual noises, vibration orother indications of abnormal operation. Checkfor oil leaks, evidence of overheating, etc.12. When testing under load is complete, turn OFFelectrical loads.13. Set the generator's main circuit breaker to itsOFF (or OPEN) position.14. Let the engine run at no-load for a few minutes.15. Set the AUTO/OFF/MANUAL switch to OFF. Theengine should shut down.2.5 CHECKING AUTOMATICOPERATIONTo check the system for proper automatic operation,proceed as follows:1. Set generator’s main circuit breaker to its OFF(or OPEN) position.2. Check that the AUTO/OFF/MANUAL switch is setto OFF.3. Turn OFF the utility power supply to the transferswitch, using means provided (such as a utilitymain line circuit breaker).4. Manually set the transfer switch to the UTILITYposition, i.e., load terminals connected to the util-ity power source side.5. Turn ON the utility power supply to the transferswitch, using the means provided (such as a util-ity main line circuit breaker).6. Set the generator's main circuit breaker to its ON(or CLOSED) position.7. Set the AUTO/OFF/MANUAL switch to AUTO. Thesystem is now ready for automatic operation.8. Turn OFF the utility power supply to the transferswitch.With the AUTO/OFF/MANUAL switch at AUTO, theengine should crank and start when the utility sourcepower is turned OFF after a 10 second delay. Afterstarting, the transfer switch should connect loadcircuits to the standby side after a five (5) seconddelay. Let the system go through its entire automaticsequence of operation.With the generator running and loads powered bygenerator AC output, turn ON the utility power supplyto the transfer switch. The following should occur:After about 15 seconds, the switch should transfer•loads back to the utility power source.About one minute after re-transfer, the engine•should shut down.Section 2 — Post Installation Start-up and AdjustmentsAir-cooled Generators |
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