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Old 06-18-2021, 09:21 AM   #1
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Soft start for a Class A

Hello Friends.

Thinking about adding a AC soft start system for our Revolution LE40 E. We have two AC units on top.

Would I need a soft start for each of them or is a single module ( $325.00) be able to be wired for both AC's.

Just curious.
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Old 06-18-2021, 09:23 AM   #2
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Quote:
Originally Posted by Stonehands View Post
Hello Friends.

Thinking about adding a AC soft start system for our Revolution LE40 E. We have two AC units on top.

Would I need a soft start for each of them or is a single module ( $325.00) be able to be wired for both AC's.

Just curious.
Eash unit will need it's own Soft-Start, by virtue of it's design.

Curious why you are thinking of doing the upgrade?
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Old 06-19-2021, 05:48 AM   #3
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Yes one Soft Start for each unit.
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Old 06-19-2021, 02:37 PM   #4
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Soft start for a Class A

Quote:
Originally Posted by Stonehands View Post
Hello Friends.



Thinking about adding a AC soft start system for our Revolution LE40 E. We have two AC units on top.



Would I need a soft start for each of them or is a single module ( $325.00) be able to be wired for both AC's.



Just curious.


Why do you think you need soft starts? My opinion you donít need one unless your not using a 50 amp receptacle. When acís compressors get older some need a hard start capacitor to make them start.
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Old 06-19-2021, 02:40 PM   #5
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Originally Posted by Stonehands View Post
Hello Friends.

Thinking about adding a AC soft start system for our Revolution LE40 E. We have two AC units on top.

Would I need a soft start for each of them or is a single module ( $325.00) be able to be wired for both AC's.

Just curious.
Why so expensive? Unders $10 ea. for a roof mounted A/C.
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Old 06-19-2021, 02:45 PM   #6
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Soft start for a Class A

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Why so expensive? Unders $10 ea. for a roof mounted A/C.


Maybe this is what op was talking about.Click image for larger version

Name:	IMG_0555.jpg
Views:	11
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ID:	332743 it says for inverter system which ours do not run off of inverter.
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Old 06-21-2021, 05:54 AM   #7
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It says for inverter system which ours do not run off of inverter.
The Soft Start you posted actually says:
Our Best-In-Class Soft Start For RV AC Units Lets You...
• Run Two Air Conditioners On A 30-Amp Hookup
• Run One Air Conditioner Using Only A Small Portable Generator
• Run One Air Conditioner On A 20-Amp Household Hookup
• Run An Air Conditioner Or Two Using Your Onboard Inverter System

I've actually talked to the owner of this company and it's a really neat product. If you chose the inverter option, you'd have to have a pretty stout batt bay. But the main purpose of this unit is to really reduce the amount of amp draw when starting AND while running and is a very good option when you don't have shore power. Like boondocking.

With soft start, you can run one AC off a Honda 2200i 15amp generator and with 2 Hondas in parallel you can run 2 AC's if you wanted to.

Their website actual shows some amp draw and run charts that's pretty impressive.

https://www.softstartrv.com/
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Old 06-21-2021, 06:16 AM   #8
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Why so expensive? Unders $10 ea. for a roof mounted A/C.
I was wondering the same thing
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Old 06-21-2021, 01:28 PM   #9
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Eash unit will need it's own Soft-Start, by virtue of it's design.

Curious why you are thinking of doing the upgrade?
Don't really need them and most likely won't bother with it. My coach is a 50 amp coach. I had a long run and was using a 30 amp cord with a dog bone for the 50 amp plug. The AC was kicking out the panel or transfer switch as the startup was too much for the cord I was using.

Just curious and not ready to spend 5 or 600.00 for a pair of soft start modules. Thank you.
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Old 06-21-2021, 01:34 PM   #10
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Soft start for AC

Thank you everyone for the great responses. I was just noodling it around as I had someone plant an idea in my head of using a soft start to help in those situations where you are short on juice.

That said, it's only happened to us once and it was a situation where the 30 amp pedestal was 105 feet from the coach carved out in the woods. I brought 200' of 10 AWG 3 wire cord and it was too much of run and the voltage drop would not allow us to use any power.

WE got around that by cutting the cord in half making 2 100' cords and connected both cords to the male and female ends doubling roughly the cord capacity. Worked like a champ.

I now have added to the kit 2/50' 50 amp drop cords. They are 6 awg 4 wire. Just in case.

Thank you for the great feedback. I learn from your responses and hopefully my goofy questions also fuel the process of learning for others.
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