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Old 22-06-2011, 08:26   #46
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Hard starts treat symptoms. They do not repair anything. A hard start will only put off a repair, and probably make it more expensive in the long run.
The OP answered his own question by his 3rd post in this thread.
Too little generator + too much a/c = no cooling off the dock.
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Old 22-06-2011, 09:14   #47
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Re: A/C Start Up on Generator

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Originally Posted by dropanchorfor3 View Post
YouTube - ‪12 VOLT BOAT MARINE AIR CONDITIONER‬‏

Just watched this video..
Ok, after watching there videos and there web site videos, 3 comp to do the work of 1 comp will drop the amps, but running 3 compressors can run a battery low to. These are water source condensers meaning water circulates in one direction of the cond water tube coil and picks up the heat from the R-134a refrigerant and displaces it out side of the boat. Probably in the back of the boat. Using water as appose a cond fan is very efficient. Hope you got money, they don't give these things away.
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Old 27-06-2011, 06:40   #48
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Re: A/C Start Up on Generator

OK
I CONFESS
I made a bad decision to buy this Bolyi generator
It doesn't work as advertised
(I even checked with them by email and phone to be sure that the BTU will work wit their gen before buying it...)
I did everything they told me to do, to no effect...

and not only that but the damn thing is leaking oil like hell...
conclusion: don't buy it for your boat

You can refer to my threat about buying a Bolyi or not in this forum. I don't now how to make the link
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Old 27-06-2011, 07:15   #49
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Re: A/C Start Up on Generator

I have a next- gen generator with a brand new reverse cycle 16000 btu mermaid. It works well as long as I turn off a few things first. A coffee maker draws about 10 when started, microwave about 10, flat screen draws about 3-4. If my girl decides to use a hair dryer without me noticing it will over draw instantly. I try to give the gen set a break by just making sure we don't run everything at once. The mermaid draws about 15 when first started, so I slowly start my different breakers as we need them. Perhaps there is a better way, but it is what it is as they say.
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Old 27-06-2011, 08:20   #50
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Re: A/C Start Up on Generator

FWIW I have a 4.2KW Panda that easily runs a 1996 era 16K BTU KingAir A/C unit, and other appliances and battery charger, with no difficulties. The only time we ever had difficulty was when one of our capacitors failed due to an erronious installation of the control box by the original installer in 2002. The continuous rating on our unit is about 3.8KW which has proven more than enough aboard our boat.
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Old 29-06-2011, 11:53   #51
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Re: A/C Start Up on Generator

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Originally Posted by dropanchorfor3 View Post
Exactly right, the amp draw on a compressor will drop a little after it starts and runs. I know on commercial water towers there is a new style of compressor using magnitaion. Magnets are used inside the compressor as apposed to a coil. Making the compressor the most efficient on the market.
I will find out if they are making marine a/c's and or portable a/c units using the same technology, if so problem should be solved as far as voltage- amp draw.
My new AC uses a "scroll" type compressor, it has about 1/4 the starting current of my old piston compressor. There are several models and types of AC's now that use not only less inrush current to start, they also use a lot less total power during operation.

I have seen the Magnet, (multiphase brushless motors, requires a motor controller), motors used in other applications, I don't know of anyone who has scaled them down to smaller BTU AC's. There is a Japanese company that makes 4 ton AC's with this technology.
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Old 29-06-2011, 12:20   #52
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Re: A/C Start Up on Generator

I have only seen these newer style magnetic compressors in commercial water towers and what not. A scroll will draw less amps your right. As far as anything on the market for marine a/c I have not seen anything available yet. But when it does hit the market, it will be costly up front and will last a hell of lot longer then the other aftermarket a/c equipment.
What's the name of the Japanese compressor, I'm just curious. I know York and one other in the U.S. make these newer style compressors.
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Old 08-09-2011, 07:46   #53
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Re: A/C Start Up on Generator

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If he has a droppage in volts a hard start will not help. Unfortunately...
Exact it didn't work !!
so I'm stuck with the gen and cannot start my A/C with it unless I'll change for a smaller and newer A/C which i don't like as the A/C is working so well so far !!!
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Old 08-09-2011, 07:47   #54
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Re: A/C Start Up on Generator

[QUOTE=capn_billl;718351]My new AC uses a "scroll" type compressor, it has about 1/4 the starting current of my old piston compressor. There are several models and types of AC's now that use not only less inrush current to start, they also use a lot less total power during operation.

---------QUOTE]

Which brand is it, please? Thanks
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Old 08-09-2011, 08:20   #55
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Re: A/C Start Up on Generator



I bought a Pompano A/C but here is a Dometic ad below

Dometic Vector Turbo Series











Powerful, Compact, and Quiet Cold Air


The Turbo series completely revolutionized self-contained cooling and heating with the newest innovations in air conditioning system design.
The rust-free molded composite drain pan has three drains for the rapid removal of condensate water.
An advanced cushioning system results in quieter, virtually vibration-free operation. The enclosed blower motor eliminates overhang to provide easier installation.
The Turbo series was recently re-engineered to harness and maximize the impressive performance of R-410A refrigerant. R-410A is proven, reliable, and complies with all EPA standards and is accepted world wide.
Further reduce noise by up to 50% with the optional sound shield.
For complete technical data, including electrical, physical dimensions, and weights, please download the spec sheet.

  • Up to 27% more energy efficient.
  • Up to 21% increased capacity.
  • Compact design uses less space.
  • Rust-free drain pan.
  • Up to 85% less standing water in the drain pan.
  • Now available with R-410A refrigerant.
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Old 08-09-2011, 12:45   #56
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Re: A/C Start Up on Generator

Quote:
Originally Posted by capn_billl View Post

I bought a Pompano A/C but here is a Dometic ad below

Dometic Vector Turbo Series











Powerful, Compact, and Quiet Cold Air


The Turbo series completely revolutionized self-contained cooling and heating with the newest innovations in air conditioning system design.
The rust-free molded composite drain pan has three drains for the rapid removal of condensate water.
An advanced cushioning system results in quieter, virtually vibration-free operation. The enclosed blower motor eliminates overhang to provide easier installation.
The Turbo series was recently re-engineered to harness and maximize the impressive performance of R-410A refrigerant. R-410A is proven, reliable, and complies with all EPA standards and is accepted world wide.
Further reduce noise by up to 50% with the optional sound shield.
For complete technical data, including electrical, physical dimensions, and weights, please download the spec sheet.

  • Up to 27% more energy efficient.
  • Up to 21% increased capacity.
  • Compact design uses less space.
  • Rust-free drain pan.
  • Up to 85% less standing water in the drain pan.
  • Now available with R-410A refrigerant.

Thanks
Cost?
Alec
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Old 08-09-2011, 16:38   #57
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Re: A/C Start Up on Generator

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Thanks
Cost?
Alec
List price is close to $3K.
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Old 09-09-2011, 11:16   #58
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Re: A/C Start Up on Generator

I bought one at a place in Florida that advertised on the internet. I paid $1000.oo for the US 120v model. I can't find their info right now, but I will look this weekend. Also I got a PM from someone on this board that was also selling some at that price.
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