olephart
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Re: 3000W Chinese Gensets Info.
Reliance Pro-Tran R30216B. 6x120V circuits or 4x120V circuits and 1x240V. 7500W. Has an individual breaker and Line/Off/Gen switch for each circuit. Does not switch the neutral. Edit to add: The 31406CRK at Amazon is about the same thing for indoor installation. It's a swell deal if ya need a plug and power outlet.351Views0likes0CommentsRe: 3000W Chinese Gensets Info.
It can get tricky if you are hooking to your home to power stuff during power outages. The main service likely has 2 independent 120V buses. You probably have 120V circuits on both buses that you want to use. How do ya run one hot wire to both buses without booby trapping something? The reason I use a Reliance transfer switch is cuz it doesn't care which main service bus bar the circuits are on. Just pick the 120V circuits you want to use and wire them per directions. No 240V circuits allowed even though the transfer switch can do it. The switch also physically removes the circuits from the rest of the main panel when in use. You simply can not back feed the other 120V circuits or energize 240V circuits accidentally. The thing ya have to deal with is the Reliance is also a split bus device, just like the main service. Ya still need to feed 120V to both buses and ya only have one hot leg from the RV circuit. The transfer switch uses a 4 prong twist lock just like the 240V generator outlet. Somewhere between the generator RV plug and the Reliance bus bars you will have to split the single 120V hot leg to feed both bus bars. I chose to replace the female end of of the RV cable with a 4 prong plug that fits the transfer switch. I used a short #10 jumper wire to connect both hot terminals in the new plug. This routes the single hot leg from the RV plug to both hot legs of the 4 prong plug. When connected, it energizes both bus bars of the transfer switch. This left the generator and transfer switch completely unmodified - no traps for future unsuspecting people. The RV to 4 prong cable is labeled with a warning. Should someone manage to hook the cable to something with an active 240V circuit, sparks will fly. As usual, there are other methods to get the job done.393Views0likes0CommentsRe: 3000W Chinese Gensets Info.
I wouldn't attempt to explain why this voltage drop happens cuz I donno. It does happen and the folks at Champion will acknowledge it if ya talk right to em. This is not a Champion issue. All of the generators with this common electrical design do the same thing. Champion says to use 240V only out of the 240V plug to avoid the issue. 240V appliances don't introduce the balance issue. When I say unbalanced, I mean having more amps being drawn on one of the 120V legs than the other. If ya draw 15A on one leg and 5A on the other, you will see a large drop. If the difference is small, the drop is, too. It wouldn't matter much if the load was light bulbs and stuff with switching power supplies. It could harm refrigeration stuff. If ya use the 240V for 240V stuff and the full power 120V RV plug for 120V, you have no issues. You can modify an RV cable to feed full power 120V any way you want. I use one to feed my Reliance transfer switch to provide emergency power to the house. Don't even think about using something like this where it can energize a 240V circuit. Blue Smoke!393Views0likes0CommentsRe: 3000W Chinese Gensets Info.
Yes, you could have the problem. The generator does not know if you are using 240 or 2x120. It only seems able to keep the voltage reasonably equal if the load on each of the 220V hots is reasonably equal. When using the 240V hots to run 120V loads, you need to keep the 120v loads reasonably balanced. You will have no problem. I don't seem to be able to adequately balance 120V loads. I use 2 generator outlets and 2 cords. One standard 240 4 prong in the Champions 240V plug for a single 240V load and a modified RV cord for full power 120V loads in the Champions 120V RV plug. No, I can't use them at the same time. I cut all loads and flip the switch when changing voltage. I'm sure there are other ways to do it. This arrangement is not what I envisioned when I bought the generator, but it provides full 240 and 120 power without low voltage. I don't need 240 and 120 at the same time, so, I'll survive. I hear that Harry Potter is going into retirement. Maybe he will drop by and change some of these inconvenient laws of physics to suit me. I did buy all the books and movies for the Grandkids.393Views0likes0CommentsRe: 3000W Chinese Gensets Info.
OK. I'm leaving it alone. Sorta. The NGK B8ES spark plug I ordered just arrived. I set the gap at .027 for Natural Gas. Seemed to start quicker and gained 25 RPM and about .4 Hz over the OEM plug. I reset the governor so it produced 59.9 Hz at 13.5A (same as the old plug). Now, I'll leave it alone.330Views0likes0CommentsRe: 3000W Chinese Gensets Info.
I would like some opinions concerning maximum continuous load based on the data presented below. It's a 3000W Champion operating on Natural Gas. I saw the tech bulletin concerning governor adjustment. It said the normal RPM range was 3600 to 3720. As you can see, RPM at 22.9A is below the recommended range. I can cause the RPM to increase above 3600 at 23A by pressing on the governor arm, so the engine has not reached it's limit. I believe setting 3600 at 23A will cause the light loads to exceed 3800 RPM. My normal load is about 10A but 22A will be needed for a few hours when battery charging is added to the load. If I leave things as they are, is it OK to run continuously at 3500 RPM with a heavy load?334Views0likes0CommentsRe: 3000W Chinese Gensets Info.
That's good news. It's nice to have options. I thought I was finished bothering you with questions, but I was wrong. I noticed a photo many pages back where you had the regulator mounted 90 degrees from upright. This would be best for my installation. Was the Garretson happy when turned on it's side? I also noticed a few photos where the adapter block was placed between the engine and carb. Others were placed between carb and air filter. What did you decide was the best location?117Views0likes0CommentsRe: 3000W Chinese Gensets Info.
Those are all meaningful considerations when making the decision about which method to use to convert the carb. I appreciate your summary. I am looking for one more piece of the puzzle. Do you notice any difference in starting performance between drilled or adapted carbs?117Views0likes0Comments
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