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Old 05-14-2017, 07:22 PM   #1
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Portable generator 5500 watt generator reduced down to a 30 amp connection going to m

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Old 05-15-2017, 03:20 AM   #2
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If there was a comment or question it didn't happen.
One comment though, 5500 watt generator doesn't sound very "portable" to me.
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Old 05-19-2017, 05:46 PM   #3
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Old 06-16-2017, 05:36 PM   #4
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When I first read this post I couldn't figure out what the issue was, now I think I know.

So...

I just picked up the RV from Tiara. I ran the generator and the Power Control System display shows that I'm connected to 30 amp service. There is a light for the generator but it's not lit. I would think that when the generator is running the generator indicator light would be illuminated but the 30 amp indicator is illuminated instead. And of course the system shuts down an A/C when I go over 30 amps. Onan says the 5.5kw generator puts out 48 amps so I have enough to run 2 A/C. Anyone have any ideas?

And, yeah, I missed this in the PDI
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Old 06-16-2017, 07:16 PM   #5
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When your generator shuts down on a fault, the generator display will flash in a series; slow and fast. You need to refer to your operator's manual in order to decipher the code.
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Old 06-16-2017, 07:39 PM   #6
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Quote:
Originally Posted by MuddFlap View Post
When I first read this post I couldn't figure out what the issue was, now I think I know.

So...

I just picked up the RV from Tiara. I ran the generator and the Power Control System display shows that I'm connected to 30 amp service. There is a light for the generator but it's not lit. I would think that when the generator is running the generator indicator light would be illuminated but the 30 amp indicator is illuminated instead. And of course the system shuts down an A/C when I go over 30 amps. Onan says the 5.5kw generator puts out 48 amps so I have enough to run 2 A/C. Anyone have any ideas?

And, yeah, I missed this in the PDI
Are both your breakers engaged on the generator itself?

I'm not positive which power management system Redwood used, but the Precision Circuits Power Management System has a bit of a bizarre way of sensing what is providing the power source. I attached the manual and an excerpt below:

Service Type:
No Service -
PCS has 12V Battery power to run the electronics, however, it
does not sense any 120/240VAC Power.

50-amp Service -
PCS senses 240/208VAC between L1 and L2 to determine
this mode of operation.
PCS controls the loads so that the current does not
exceed L1 limit of 50amps, L2 limit of 50amps, and a combined limit of 100 amps.

30-amp Service -
PCS senses 0VAC between L1 and L2. PCS adds the
current of the two sensors and controls the loads so that the current does not
exceed 30 amps.

20-amp Service -
PCS senses 0VAC between L1 and L2, and the owner selects
20A on the Central Monitor Panel.
PCS adds the current of the two sensors and
controls the loads so that the current does not exceed 20 amps.

Generator -
PCS senses power to the Gen Hour Meter to determine this mode
of operation.
PCS controls the loads so that the current does not exceed the
ratings of the installed Generator, for example L1 limit of 35amps, L2 limit of
35amps, and a combined Limit of 63 amps.



The Onan 5500 has either a 30A/20A output breaker arrangement, or a 30A/30A output depending on the model (ours was 30A/20A). I'm wondering if Redwood never set up the generator on the power management system. Just the fact you said it reads 30A makes me wonder why it doesn't say GEN. It has to sense the generator is operating from the hourmeter, and then once it does your L1 and L2 assigments should match the generator output breakers. Once you have that, it should work on generator exactly as if you didn't have the power management system and should easily power 2 ACs providing they are split between L1 and L2. Both being on one leg was a problem we found in our Redwood and I rearranged the breakers a bit to balance the load - going a little heavier on my 30A than the 20A.
Attached Files
File Type: pdf PCSOwnersManual.pdf (107.1 KB, 3 views)
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Old 06-18-2017, 03:49 AM   #7
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I'm not sure I can help as I am still learning but I will tell you what my factory setup looks like. When plugged into 30 amp, the 30 amp light is on,and with both airs going I use up to 27 amps. With 50 amp service the same thing happens only the 50 amp light is on. When I start my factory 7k Onan it lights the 30 amp light. I turn on both airs, hot water, a couple tvs and I am around 38 amps on the display. The 30 amp light goes out and the 50 amp light is on. If I then start the microwave it will jump up to 51 amps and shut down the water heater or air. Can't remember which it was. I think it's working as designed. My only concern was that at no point did the generator light come on. I'm going to keep digging and my dealer has promised to get an answer for me next week.
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