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Old 08-08-2018, 02:27 AM   #21
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Here is how my fuse box wired.

Brad,
Here is a picture of the fuse box in my 3901WB
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Old 08-09-2018, 08:24 AM   #22
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I was able to rewire the ac units to their proper breakers this morning ,, And successfully all three ac units all day !!! Thanks to all for your helpful responses.. Nowtime to tackle thr min pcs system which I fear has been incorrectly wired ...It still shows 30 amp even when plugged to 50 amp shore power...
Anyone know where they positioned the IO module that conchs to the pcs display panel?
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Old 08-09-2018, 02:37 PM   #23
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Fantastic! Is it too early to tell or can you feel the extra cooling?
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Old 08-09-2018, 02:46 PM   #24
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Who else has 3 units?

Can you run all 3 units on 50 amp shore power?

The math doesn't add up to be able to do it, but the salesman says... Well we know where that story goes.


We’ve run all three of ours with no issues. In Texas we had the going non stop b


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Old 08-09-2018, 04:35 PM   #25
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Thumbs up

We did feel the diff !!!! It was in the mid 90’syesterday and temps in inside stayed around 73-74, so i was very pleased as we are in direct sunlight with no shade and our exterior color is mostly black!!!!
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Old 08-09-2018, 04:41 PM   #26
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very nice. My wife complains when I run all three because she says it blows the sheets off the bed
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Old 08-09-2018, 09:04 PM   #27
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very nice. My wife complains when I run all three because she says it blows the sheets off the bed
Brad
You guys need to use flannel sheets instead of them silk ones.they don't blow around as bad
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Old 08-10-2018, 02:24 AM   #28
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Checked them today set all 3 at 65 got on roof and all 3 were working....2018 3821rl....
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Old 08-10-2018, 02:22 PM   #29
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Brad
You guys need to use flannel sheets instead of them silk ones.they don't blow around as bad
hahaha! Good idea!
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Old 08-11-2018, 08:19 PM   #30
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Originally Posted by brad chilton View Post
I was able to rewire the ac units to their proper breakers this morning ,, And successfully all three ac units all day !!! Thanks to all for your helpful responses.. Nowtime to tackle thr min pcs system which I fear has been incorrectly wired ...It still shows 30 amp even when plugged to 50 amp shore power...

Anyone know where they positioned the IO module that conchs to the pcs display panel?


I did contact Precision and got a current wording diagram and I was able to track down the IO module which is behind the wall in the basement in a small junction box .. After checking with a multimeter , it confirmed what I suspected and that the factory had wired it wrong .. I relocated wiring for the PCS off of a/c 3 which also had WH on same phase which diagram showed as incorrect , to a/c 1 .. This has cleared up my problem and PCS is working correctly now !!! Time to tackle my next issue with my inverter !!!


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Old 03-18-2019, 06:19 PM   #31
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I did contact Precision and got a current wording diagram and I was able to track down the IO module which is behind the wall in the basement in a small junction box .. After checking with a multimeter , it confirmed what I suspected and that the factory had wired it wrong .. I relocated wiring for the PCS off of a/c 3 which also had WH on same phase which diagram showed as incorrect , to a/c 1 .. This has cleared up my problem and PCS is working correctly now !!! Time to tackle my next issue with my inverter !!!


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Hello Brad. This is an interesting thread as I am considering the addition of a 3rd AC unit on my 2018 GK. I was assuming all the newer model Redwoods were configured/wired for the 3rd AC but unfortunately there is no empty additional breaker space in my AC distribution panel. Even if the wiring is in place I'm not sure how I'd add a breaker unless I went with a sub panel. I understand I'd also need to revise my existing PCS system as well. How is your AC panel configured? Thank you - Paul
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Old 03-18-2019, 09:39 PM   #32
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most of the panels I have looked at will accept mini breakers, Go un plug your coach and remove the cover. I would bet that it will accept a murry or home line mini breaker ( available at your local home Depot in store or order on line). basicly they put two switches in the same space as one breaker.
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Old 03-19-2019, 12:38 AM   #33
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We have a 2016 38 RL with the 3rd AC. All 3 will not run at the same time, the management system shifts the power so only 2 will run. I think the reason is if all 3 were to kick the compressor on at the same time the load would be to much for the 50 amp service. I can feel the fans on, but the 3 cooling at the same time will not happen.
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Old 03-19-2019, 11:00 AM   #34
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Hello Brad. This is an interesting thread as I am considering the addition of a 3rd AC unit on my 2018 GK. I was assuming all the newer model Redwoods were configured/wired for the 3rd AC but unfortunately there is no empty additional breaker space in my AC distribution panel. Even if the wiring is in place I'm not sure how I'd add a breaker unless I went with a sub panel. I understand I'd also need to revise my existing PCS system as well. How is your AC panel configured? Thank you - Paul
Paul
Here is the pic of my breakers..I am able to run all 3 a/c units at same time when connected to shore power
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Old 03-19-2019, 10:44 PM   #35
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based on the last photo posted , these panels already have mini breakers. However it maybe possible to swap the main breaker to a double 2 pole 50/20 or 30 amp combo.

https://www.amazon.com/Murray-MP2502...09823875&psc=1
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Old 03-27-2019, 09:45 PM   #36
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based on the last photo posted , these panels already have mini breakers. However it maybe possible to swap the main breaker to a double 2 pole 50/20 or 30 amp combo.

https://www.amazon.com/Murray-MP2502...09823875&psc=1

Thank you so much for the link. The two main 50 amp breakers are twice as wide as the individual accessory breakers so if this breaker would fit I'd gain two additional breakers.
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