Question about Yamaha Electrical Supplies
By looking at he wiring dia. it looks like all i have to do is remove the red wire term.at the ground lug.will this inhebit the workings of the unit?
Unless you are going to use this exclusevly for 240V service, this is a bad idea. Your 120V legs will float between 0V and 220V.
Posted on May 23, 2014
Hey steve. do you really need 240 volts for 120 v. circuits. the reason you have to have an adaptor plug is because on your 220 volt plug in , 2 of tthose prongs are hot and 1 is ground. for safety you need to get a plug adapter ( a regular 120 volt plug end ) run a ground from adapter to ground on 220 adapter. same with nuetral. you also need to ground your generator. there is usaully a ground lug on the bottom of the gen. Another way. if you dont really need 220 v. is to use both 120v. recepticals on gen. Run 2 chords to tranf. switch. and hard wire it in to switch. another way i did mine . when i lost power in this hurricane. i ran two # 10 chords from my 2 120v. recept on my gen to my breaker panel. when you do this you have to pull the service meter, if you dont when power comes back on it would backfeed through your gen.then i turn all my 220v. breakers i was able to run lights ,ciling fans, freezer, ice box,washing machine and gas dryer , tv's computors etc. . but to do this, you probably need someone that knows what they are doin.
Posted on Sep 19, 2008
SOURCE: generator electrical
On a 230 volt std hook up here's the way it is supposed to work. From black to white you should get 115 volts. From Red to white you shoudl get 115 volts. From red to black you should get 230 volts.
Concentrate on getting the correct output from the generator with the load to the house disconnected
This should be 115v (black to white, 115 volts red to white and 230 volts red to black.
On the load side (ie, the house connected) what are you using? 115 volt lights, etc on one side of the
230 volts, and some other 115 volt loads on the other side.. Are there any 230 volt loads. It could be
that one side of the 230 volts (ie, a 115 volt side is drawing a lot more current than the 2nd 115 volt leg.
Get back with me on just what the loads are botth 115 volt and 230 volt . also what are the rating on the circuit breakers.
Posted on Nov 06, 2008
Page 39 of the current owners manual for the both EU6500 and the EM5000 generators indicate that there is not a neutral ground bond on these units.
Per the wiring diagram, the ground pin on the outlets is connected to the frame ground of the generators (on both generators). To have grounded electrical service, a bond wire would connect the generator frame to the ground terminal on the transfer switch. The ground system from the breaker / distribution box (usually to a ground rod) then serves as the electrical ground for the generator, as well as the balance of the rest of the system, satisfying NEC requirements.
See Page 39 in both manuals:
"The system ground is not connected to the AC neutral
wire. If the generator is tested with a receptacle tester, it will not show the same ground circuit condition as for a home receptacle."
Posted on Sep 22, 2010
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