luvrbus
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« on: June 13, 2013, 08:03:06 PM » |
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Hey guys saw a new H-45 with the 24,000 btu marine Webasto Ac/heat 11 amp 110 volt packaged units (all in one) they are not real big 24x21x15 the guy told me they make a 30,000 btu 5.5 amp on 230 volts that is smaller?
May be a good option for you instead of the mini splits as they come in 5000 btu up they were quite with 3 speed fans
As hard as a H-45 is to cool he had 2 of the 3 running in the 100+ degree temp in Phoenix I was impressed just a little info for you guys
If I was doing a conversion I would go that route only draw back I could see would may be the ducting but then you could have the cold air blowing on you with a little duct work wouldn't be all that bad the question I had for him was how do they work without water he didn't know but someone figured it out
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« Last Edit: June 13, 2013, 08:26:14 PM by luvrbus »
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Life is short drink the good wine first
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bevans6
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« Reply #1 on: June 14, 2013, 04:23:01 AM » |
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Here is a supplier page with all the specs on these units - they look a little pricey but worth the money for a robust unit. http://www.defender.com/webasto-marine-air-conditioners.jspThey do seem pretty efficient, the 12KBTU unit is rated at around 9 amps at 120 VAC, start current around 20 amps. The 30KBTU is: average load running load is 9.5 amps at 230V and start surge is 22A. Locked rotor amps 60 amps. They make a 120 VAC 24KBTU that draws average 17.5 amps. Brian
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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer Spicer 8844 4 speed Zen meditation device Tatamagouche, Nova Scotia
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muldoonman
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« Reply #2 on: June 14, 2013, 05:52:08 AM » |
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Have you heard anybody doing the conversions from the older Cruiseairs to these. Have 3 behind front bumper on my 91 Prevost and still functioning but like everything there getting older as time goes by. Probably would have to tear the hole coach apart to install. Are the condensers on these at spot locations, front , middle and back? They sound like about the same size as these. Mine are on slide out trays and pretty easy to access. The water part would be hard to configure.
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« Last Edit: June 14, 2013, 05:57:39 AM by muldoonman »
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luvrbus
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« Reply #3 on: June 14, 2013, 05:59:29 AM » |
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Unless things have changed I thought the Webastos were a chiller type that uses water I could be wrong maybe water is just for cooling of the coils and not needed
I still cannot wrap by brain around how they work in that bus but they did ,I snagged the name and number in Or that did the AC work and will call and see if he will give me some info but I saw no water lines on the units
It would be good if you could replace the CruiseAir with one since the Cruise is going away we kinda thought they would when Dometic got their hands on it
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« Last Edit: June 14, 2013, 06:48:41 AM by luvrbus »
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Life is short drink the good wine first
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bevans6
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« Reply #4 on: June 14, 2013, 07:16:03 AM » |
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The ones on the page I posted are water heat exchanger units, I sure missed that looking at the page. Makes more sense now, I wonder if they got a different condenser on the bus one?
Brian
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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer Spicer 8844 4 speed Zen meditation device Tatamagouche, Nova Scotia
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bobofthenorth
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« Reply #5 on: June 14, 2013, 08:22:03 AM » |
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I'm curious to hear what you find out Clifford. I thought Alzheimer's was setting in when you posted that they were using marine AC on a bus. Gotta carry a lot of water or a really long hose for that to work out well.
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R.J.(Bob) Evans Used to be 1981 Prevost 8-92, 10 spd Currently busless (and not looking) My websiteOur weblogWhat's behind you doesn't matter - Enzo Ferrari
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TomC
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« Reply #6 on: June 14, 2013, 08:30:37 AM » |
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The main reason these marine units are so efficient is that they have sea water cooled condensers. I'm not sure how efficient they would continue to be if you put a radiator to take the place of the sea water-since sea water is rarely over 85 degrees. I would just keep with the air cooled units and not have the extra cost of the water cooled condenser then having it run with an air cooled radiator. Good luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
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oldmansax
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« Reply #7 on: June 14, 2013, 07:09:44 PM » |
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Keep us posted Clifford. I got 3 on my Wanderlodge that are going to need help after a while.
TOM
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Seangie
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« Reply #8 on: June 14, 2013, 09:22:07 PM » |
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That's a steal for those. Ill be putting them on the want list.....driver air would be great. www.herdofturtles.org 1984 Eagle Model 10S
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'Cause you know we, we live in a van (Eagle 10 Suburban) Driving through the night To that old promised land'
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luvrbus
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« Reply #9 on: June 15, 2013, 05:45:28 AM » |
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I spoke with Mark Palmer yesterday the guy that installs those in buses and boats and will post later when I have time sorta of a straight forward deal to swap over to air instead of water and a easy swap for Cruise Airs
good luck
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Life is short drink the good wine first
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Zeroclearance
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« Reply #10 on: June 16, 2013, 11:29:10 AM » |
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Clifford, I'm interested to hear what the actual mod is to go from water-cooled to air cooled..
Does you have a parts list.
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