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Rooftop unit comes with 30 feet of refrigerant piping Required 60 feet What to do ?

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You will for sure need an A/C tech to come out and extend and connect piping for you. Find one that is a member of the chamber of commerce if possible.. ANythign else let us know.. Please vote

Posted on Sep 05, 2010

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1 Answer

Cubic feet calculator


That would depend on the depth. A refrigerator that's 60 inches high by 30 inches wide by 1 inch deep would be just over one cubic foot. A refrigerator that's 60 inches high by 30 inches wide by 30 inches deep would be 31.25 cubic feet.

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How to identify the btu of rooftop AC unit


ANY # DIVISABLE BY 12. MODEL HAS  12-24-30-36-40-48-54-60 12 1 TON 24 2 TON 30 2 1/2 36  3 TON 36.00 BTU 40 3 1/2 48 4 TON 48.00 BTU 54  4 1/2 60 5 TON   60.000 BTU

Apr 21, 2010 | Dometic Rooftop RV Air Conditioner

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What is the weight of a pile 30 feet long, 36 inch's in diameter and 1/2 inch thick, full of water


(1.5ft)^2 * Pi * 30 ft * 62.4 lbs/cu-ft = 13232.4 pounds plus the weight of the pipe which will vary depending on the material of the pipe.

You can find the weight of the pipe if you know the brand and material as most manufacturers will list the weight per foot in their catalog.
30 feet has about 11.94 cubic feet of whatever material the pipe is made of.

Apr 07, 2010 | Mountain Plumbing Plumbing

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I have bought a ge gas range moldle # jgb805depbb i need to know what size diameter black pipe to run from existing run, 30 feet to the new stove. is 1/2 inch large enough to supply the unit


Hi,
Yes if you are only going 30 feet with the 1/2" black iron you will be fine.
This will give you all the gas you need for your range.

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Jan 24, 2010 | GE Kitchen Ranges

2 Answers

Recharge air condition


Hello,

If you have solid ice build up on the "big" pipe (suction line) and very little air coming out of the vents, it's more an air flow problem; Inside fan not working, dirty coil inside (evaporator) or block filter. Open the cabinet inside and take a look there first.

This should be easy to fix; if the filter is dirty, replace it. should be done every month anyway.

If the coil is dirty, depending on access there's a 50/50 chance you can clean it you're self. If you can't you will have to call a technician who will pump all the freon in the outside unit, disconnect the coil, clean it & reinstall it, that should run you $200 to $300

You say there is a little air coming out so the fan is probably working, but if not, you will to find out why the fan is not running. That's electrical, could as easy as the thermostat is not turning the fan on to replacing the fan it self.

It is possible to have frost coming back if you are undercharge (low on freon) But the conditions have to be just right. A Journeyman mechanical carrying an EPA license working under A license contractor is the minimum you need to be able to buy freon since the 90's. that's legal of coarse.

To charge a system you also need a set of gauges and you need to know the working pressure of the system depending of the freon inside.

I think you only have a block filter or a dirty evaporator, possibly a collapse duct.

Good luck

Benge

May 27, 2009 | DeLonghi Trane 5t Rooftop Air Conditioner...

1 Answer

How to put refrigerant in Demotic RV Rooftop Air Conditioner


You will need to add a self tapping port to the suction side of the unit. You will have to determine what the size of the pipe is and then go to a local a/c supply company and buy one. It's kind of like a self tapping supply for water but for high pressure. Hope this helps. I would also put one in on the high side as well so you don't blow the valve in the compressor if you over charge it or the system is dirty.

Apr 08, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

My 2007 unit don't get cold enough. the maximum outlet air is 60 degrees


Ozone friendly refrigerants work on all the same principles as the old type of refrigerants. Outside ambient temperatures when higher will reflect on the cooling end of the system. Pressure and temperatures in any refrigerated device are directly related in all cases. Refrigerant charge to produce the proper output is critical in these units. Name plate is printed with a specific charge. If the charge is low the output will be less.

May 31, 2008 | Dometic Rooftop RV Air Conditioner

1 Answer

Refrigerant required for


can't tell exactly, too many variables, your low side pressure should be about 50 - 60 lbs, ( this is merely a guide ) temperature affects this reading. a simple way to tell is add freon and watch you indoor coil if possible. when the entire coil is sweating you are full. if only partial sweat is visible add more, a little at a time, it takes several minutes for this to circulate.

Mar 30, 2008 | Refrigerators

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