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Topic: Staying 'Cool' this summer. (Read 11729 times) previous topic - next topic

Re: Staying 'Cool' this summer.

Reply #25
Moving condition air inside the coach.
There are fans that can be installed into duct work.
The bilge blowers used in power boat industry fit into various duct sizes. These are inline fans.
There are high quality low cost pedestal or table top fans.
What would happen if a Dyson fan was placed horizontal at roof line. I dont know Db level if them.
There is high pressure small diameter home ac duct systems. I have no knowledge of these systems.
These are just off the top ideas.
1999 U270 40 #5518
USN. USPS.

Re: Staying 'Cool' this summer.

Reply #26
The 2 biggest problems as I see it are taking away basement storage for the compressor (unless you can fit it in the engine compartment) and where to hang the large evaporator unit?  I guess you could redo some of the overhead cabinets at the loss of inside storage.
There are some overhead cassette evaporators but the footprint is 22"x22" so you'd have to enlarge and reinforce the existing a/c opening and build a weatherproof enclosure.
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
no longer 1999 36' U320 build #5522
2013 Rzr 570 & 2018 Ranger XP1000
2006 Lexus GX470
2011 Tahoe LT 4x4
Previous 1998 45' 2 slide Newell, 1993 39' Newell

Re: Staying 'Cool' this summer.

Reply #27
There are numerous alternatives for interior units.  Cassettes are needlessly complicated.  Yes, condenser needs to be mounted somewhere and it could well take some bay space.  Of course having a slick roof has its appeal as well.  Silent, efficient AC= worth working for.

Another factor worthy of consideration is the fact that some of these units are effecient enough to realistically be powered by lithium battery bank, supported by the rooftop panels which are now installed without having to work around AC units. 

Too many interests, too little time..

"Not so  long ago we were a nation of risk takers, riding five million pounds of  thrust straight into space."  Joe Gresh
Chuck Pearson
1996 U295
2018 Can Am X3 TurboRS

Re: Staying 'Cool' this summer.

Reply #28
On my '93 Newell I had 3 Dometic split a/c units. The compressors were in a front basement compartment with the evaps under the dinette, under a kitchen cabinet and in the bedroom.  Flexible ductwork carried the cold air up above the valences to distribute it.  There were no overhead cabinets in the way.  My '98 Newell had 2 double compressor SCS units that had compressors and evaporators in one large package.  Ductwork carried the cold air up into the valences.  Again no overhead cabinets.  In each coach the units took up lots of basement room for the units and the central duct.  It gave a nice open roof though.  Plenty of room for solar.
Hopefully someone will come up with an easier way to mount mini splits.
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
no longer 1999 36' U320 build #5522
2013 Rzr 570 & 2018 Ranger XP1000
2006 Lexus GX470
2011 Tahoe LT 4x4
Previous 1998 45' 2 slide Newell, 1993 39' Newell

Re: Staying 'Cool' this summer.

Reply #29
My top goal is to avoid a permanent installation that would compromise the coach: I want to keep it available and road ready, so 'quick connects' are high on the list. The other thing is mounting the (heavy) compressor in the coach will compromise the space I have for 'stuff' AND add noise through vibration and proximity to our living and sleeping areas; so it gets mounted outside on a set of concrete blocks and bolted down on rubber pads. I'm leaning to towards a temp. mount on the front console before committing to a easily removed hanger on the upper center where Brett installed the hinges for the flat screen. I grabbed a screen shot of how one guy mounted his and mine will have to be basically the same (only a solid piece of wood and trimmed to look better). Those Utube videos are worth the boredom; I do pick up some ideas (in between laughter) I'll post the SS when the wi-fi gets better.
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #30
Let's try this install pic.
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #31
Here's a fun one: I call it "Hippy dippy man bun meets mini split'  :)  https://www.youtube.com/watch?v=eFkLrGx6la8
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #32
As I look and study. These are some of the more useful mini split installs. Some have feedback of actual usage.  No one is doing 220 v install. Last night I was reading about a unit that would connect to duct work. That might be very much like the Prevost install. There are many options, just have to hunt down figure a way. Also anyone have a way to generate 220 v.  That opens the door to 24 btu systems with multi heads. Think bed/bath and frt of coach. With a heat pump system. 
The China diesel heaters are another system with possibilities for heat. There by removing propane for us aqua hot devoid owners. There are China diesel heat/water units also.

Videos

https://youtu.be/GvdIe0AkXV8

https://youtu.be/hNiFDMonKGk

https://youtu.be/pYhJz6ScJfk

The above one is a bare bones simple. Using a window opening as the site for install.

https://youtu.be/xE099gEf4f4

https://youtu.be/IHDT5ZEpKkw

https://youtu.be/OmOkQerIITk

https://youtu.be/hNiFDMonKGk

The 2 above are install and review.

https://youtu.be/aDXKuZaMXoY

https://youtu.be/-xg0KODch9g

Install in bare bone trailer build out.

https://youtu.be/4Qkzb_bFP4M

https://youtu.be/9q8VDRfprkQ

The above 2 are on a schoolie conversion. He also does china diesel heater install in other videos. They seem like a possible good replacement option for none propane heat.

https://youtu.be/xPs1bpGUU1Q

Bus install.

These are a random selection some of the installation are well thought out.
1999 U270 40 #5518
USN. USPS.

Re: Staying 'Cool' this summer.

Reply #33
For those who think about the condenser going into a bay, you gotta have at least this; weeds out my GV: Best video I've seen today; smart cookie......https://www.youtube.com/watch?v=OmOkQerIITk
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #34
So they are getting closer to actual rv uses as in the video above.. Nice  ^.^d .... If you were able to convert I could make this work but the remodel would be the problem... Take the 2 ac off the roof and tie this thing into the duct work off the bath and the pantry (on my model.. Pretty easy considering building a bus lol (who has that kinda time).

Thinking since I took the muffler out You could make a box and shield it form the elements for the most part..?


Its all possible with a lot of time and money... maybe they will make conversion kits soon? next few years.

LG LMU240HHV 2-LDN127HV4 2PREMTC00U 24,000 BTU 21 SEER Concealed Duct RED...


Re: Staying 'Cool' this summer.

Reply #35
Its all possible with a lot of time and money... maybe they will make conversion kits soon? next few years.

I thought about hooking in to the front and rear furnace ducts, also, but it would be impossible (almost) to do it and still keep my two fresh furnaces; same with removing the roof air units: should I get a wild hair (what few I've got), I want all of the above in working order. ^.^d
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'


Re: Staying 'Cool' this summer.

Reply #37
Did I mis-read or is shipping weight 350 pounds??

If so, sure hope most of that is packaging!
Brett Wolfe
EX: 1993 U240
Moderator, ForeForum 2001-
Moderator Diesel RV Club 2002-
Moderator, FMCA Forum 2009-2020
Chairman FMCA Technical Advisory Committee 2011-2020

Re: Staying 'Cool' this summer.

Reply #38
Yes.. read one was 450 but I assume it crating ..I have seen these close up 75lb to 100 for the outside fan (approx) and the inside is about 50lb I would guess

Re: Staying 'Cool' this summer.

Reply #39
Did I mis-read or is shipping weight 350 pounds??If so, sure hope most of that is packaging!
That sure precludes the DIY possibility!!  :facepalm:  Mine is 110 lbs shipping weight for both units, making the air handler about 20 lbs. +/-  ^.^d
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #40
Love it! Keep thinking and sharing!

The utube poster
"Breakfast in the morning"
 He is very good at explaining, photo and then in his blog posting parts and again how to.  I suggest you look at his extensive videos.
Headlight
Taillight
Solar panel system
Actual build out of interior
Painting in Mx.
All are educational for us that want to DIY.  His repair/rebuild with Diesel monkey is also information on mechanical issues. Sure not our setup, but can be of interest.

How do we make 220 power with our coach's basic setup??
1999 U270 40 #5518
USN. USPS.

Re: Staying 'Cool' this summer.

Reply #41
Here's a fun one: I call it "Hippy dippy man bun meets mini split'  :)  https://www.youtube.com/watch?v=eFkLrGx6la8

Thought it was a pretty good setup. While I'm not currently looking at this type of unit right now, off the rear end seems like a good solution. Wouldn't be to hard to switch out to 240 V and go with a dual system, one in front, one in back.
Might be better to encase the lines in 1/4" ply with a venier on it.
But my ac works great right now. 
'99 U320 40 WTFE
Build #5462,
1500 Watts Solar 600 amp Victron lithium
2012 Jeep Grand Cherokee Overland Hemi
Instagram bobfnbw
Retired

Re: Staying 'Cool' this summer.

Reply #42
Love it! Keep thinking and sharing!

The utube poster
"Breakfast in the morning"
 He is very good at explaining, photo and then in his blog posting parts and again how to.  I suggest you look at his extensive videos.
Headlight
Taillight
Solar panel system
Actual build out of interior
Painting in Mx.
All are educational for us that want to DIY.  His repair/rebuild with Diesel monkey is also information on mechanical issues. Sure not our setup, but can be of interest.

How do we make 220 power with our coach's basic setup??

For me it wouldn't be that dificult to do. I would have to add another victron inverter, and change out my manual transfer switch to 240 V. Add a breaker panel for 240V for the AC .and switch the generator to 240. Might be a bit more to it but not much. Coach already is setup for 2 hots and 50 amps.
'99 U320 40 WTFE
Build #5462,
1500 Watts Solar 600 amp Victron lithium
2012 Jeep Grand Cherokee Overland Hemi
Instagram bobfnbw
Retired

Re: Staying 'Cool' this summer.

Reply #43
Mrcool comes calling Wednesday!  b^.^d  Here's the final pic of the day: I THINK the condenser will slide right under; would be perfect, hopea hopea!
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'


Re: Staying 'Cool' this summer.

Reply #45
Good videos; for those (like us)  that are 'hearing enhanced', here's the specs  and comparisons on how quiet MrCool is;
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'

Re: Staying 'Cool' this summer.

Reply #46
Here is some info about high velocity ac.

https://youtu.be/LHpPq61ns48

Mark
1999 U270 40 #5518
USN. USPS.

Re: Staying 'Cool' this summer.

Reply #47
 I removed my dash AC and that space is enough for the outside unit., right behind the bumper. 
            The ice maker cabinet plus a little of the closet should fit the indoor unit .    I can drain straight below .  This puts the cold air in the middle ish of the bus and  should be quiet for the bedroom.
 The only issue is I will need longer lines.
 FWIW this thread  belongs in the renovations.

Re: Staying 'Cool' this summer.

Reply #48
  FWIW this thread  belongs in the renovations.

O.K. with me....... ^.^d
1993 U-240 "La Villa Grande"..CAT 3116 w/ Pacbrake PRXB...Allison 3060 6-speed..
Previous: 1983 Airstream 310 turbo diesel, 1979 Airstream 280 turbo diesel
                                      Build # 4297
                                      PNW natives
                      Home base:  'Cactus Hug' (Ajo, Arizona)
                        DW Judy & Chet the wonder dog
                        Full-Timers 'Sailing the asphalt sea'