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Looking good, where did you get this air conditioner? I need one for my truckInstalled and charged with 134A , easy install, and only small cuts required in the roof of the cab. View attachment 681542View attachment 681543View attachment 681544View attachment 681545
Look forward to test. The BTU for the unit is listed as 8600...We will do a 6 month test on it to see how they hold up in extreme use.
The brand name is Vehiclima, model VDC20D/12V or 24 volt, ... USD965/unit..
That's about 1/3 of the BTU of the factory A/C.The BTU for the unit is listed as 8600
By time you buy and create means to mount batteries, generator, and converter you're as expensive as the FMTV model or something similar .... though much easier to install. Granted that is not including what you may have already or buying used. IMHO if one is considering this get something with a DC inverter in it. These are far far more energy efficient... so smaller genny and/or less batteries needed. So far these are mostly home units (portable AC's , a few window units and split types) I've not yet researched if any RV types are DC/Inverter models.Why not just purchase an RV Roof Unit (115vac) and run off batteries with an inverter? This looks like less $$ right around $1,000 including the inside control panel.
I have also looked into the Chinese made roof units. Hella expensive at nearly $3,000 ea.
Pointman
That certainly has it's benefits. You can run a generator to charge the batts instead of running the main engine.Another thing I like, on an external battery bank, engine OFF.. The unit will run for 8 hours before switch auto shuts down unit/ due to low voltage.
//// think waiting at Ferry, or traffic where youvwant to shut engine off, etc.
They are huge, at least twice if not 3 times the size of the LMTV condenser. A guy with a screen name of Kevin something used one but I don't think his was working well last I read.Anyone using the MRAP condensers on these? They appear to be GIANT.
I fairly sure they use an expansion block similar to what many auto manufactures used used in the 90's.Do the gen 2 evaporators use an expansion valve or an orifice?
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I used a 16x21 universal parallel flow condenser and so far seems to be working fine. A 20 x20 or 21x21 probably would fit between the intercooler and radiator and i would go that route next time since the cost is similar and generally bigger is better. The advice I received from vintage air and other similar companies was to use the biggest condenser that would fit. They couldn't advise on size based on BTU ratings. Parallel flow is more efficient than the tube and fin design and don't need to be as big. I saw some people have used condensers from MRAP's, if you go that route I wouldn't mount it with the tubes vertical, as the refrigerant condenses and turns back to a liquid it needs be able to flow downward without restriction.I read on a vintage air tutorial that the condenser should be 1.25x larger than the evaporator. That would imply that the condenser should be 35,000 BTU/hr if the gen2 evaporator is 26,000 BTU/hr.
Is that what everyone else is concluding?
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