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[Cornbinder89]

It is more that you can't fill 100% to the top. Like a propane tank, you can only fill 80% or less to allow for expansion/vapor pressure. I just don't...

[Cornbinder89]

I am fairly sure I mentioned this before, but bares mentioning again. Dust-Off cans are marketed to blow dust off things. There is no reason after the...

[Cornbinder89]

So, what is it set too? If 30 psi that is why you have poor cooling.

[Cornbinder89]

What do you have the POA set too? I thought previously you had re set to 23 for R152a? You are off the grid so to speak, so you may have to experiment...

[Cornbinder89]

To be honest, I don't know. If you have a factory heater and blower under the dash, There might be a way to unitize that as you "booster" blower,...

[Cornbinder89]

Let me try and explain it another way:
If you have a 1.5 ton sized evaporator, Tx valve and condenser with a compressor that can keep up, the system...

[Cornbinder89]

Evaporators do not have to be the same size, the job of the Tx valve is there to meter the refrigerant for the needs of the evaporator.
I am aware...

[Cornbinder89]

WD_2021 (cld.bz)
page 24 has the sleeper unit I run in a few of my trucks
roof top condensers start on page 82.

[Cornbinder89]

Who ever is selling you the condenser should be able to tell you the rated BTU for it. I don't think 16x24 is going to be anywhere near what you need...

[Cornbinder89]

If the OP'er ever comes back. I can get some pictures of the sleeper units, I have two in sleepers. I might also have a IHC underseat unit (in parts)...

[Cornbinder89]

Another thing to consider. All factory systems have a provision to bring in and cool outside air. This makes them far better than aftermarket that just...

[Cornbinder89]

You mention the problem with the dealer installed system not cooling evenly, This is going to be your challenge also. It doesn't matter how many evaporators...

[Cornbinder89]

This is something I know a fair bit about.
Heavy trucks with sleepers run a split system with two evaporators on one compressor. So it can work,...

[Cornbinder89]

I had some time and dove down the "rabbit hole" of R152a. Everything seams good and is approved for new application according to some sites,...

[Cornbinder89]

Here is the 152A pressure chart:
152a tp chart (3) (3).pdf
Also looked it up and it takes the same oil as R134a Pag or Ester.
Here is...