HVAC
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BobbyBuick
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- Joined
- May 24, 2001
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if r22 get a used unit hopefully with refrigerant in it Dry ships IMHO are not worth buying .if you end up going new you will have to replace evaporator and outdoor to go 410A or Puron. Check evaporator model number probably 2.5 ton but in Texas could be a 3 ton .Get me the model of the indoor and i can get you a firm price of what it will cost
BobbyBuick
Well-Known Member
- Joined
- May 24, 2001
- Messages
- 2,209
well they take em no matter how old it is the copper they want if it is a 3 ton and outdoor unit only about 1600-2000 will get it installed with a warrenty
I am an A/C contractor...
They did not steal it for the copper as they left the lines running up the house. There is a suction dryer along with the liquid dryer which tells me the unit was a replacement and probably new so it was desirable. If The AHU in the house is more than 10 years old replace everything.
Do not put R-22 as it will be phased out next year and is already up to $500/30# jug. If you just replace the condenser you can change the propellant to one of the drop in replacements going for $130-180 a jug. Do some home work as some drop ins of the replacements have up to a 15% efficiency loss over R-22 and some require and oil change but do not have an efficiency loss.
If you are going to pull a permit you might as well change everything because you will have to provide and AHRI report of efficiency to the inspector and will you will not be able to match the old AHU in the house with the new condenser.
The new propellants have what is called "glide". Basically what happens is all new propellants are a mix or three or more refrigerants and they really do not mix like chocolate milk but are more like oil and vinegar. When the system is running the compressor mixes them all up and they function as designed but when the system is not running they separate so they have to be mixed back up again in the blender so to speak and the time required to do that is called glide as your unit will not cool properly until they are all mixed again. The problem with this new age is if you develop a leak you don't know which refrigerant of the three or four leaked out so you have to remove all of it and replace the charge to insure the correct amount of each. The days of just adding Freon are over. Another case of the EPA and big business sticking it to the people.
You have a few options. PM me and I will explain.
Mikey
They did not steal it for the copper as they left the lines running up the house. There is a suction dryer along with the liquid dryer which tells me the unit was a replacement and probably new so it was desirable. If The AHU in the house is more than 10 years old replace everything.
Do not put R-22 as it will be phased out next year and is already up to $500/30# jug. If you just replace the condenser you can change the propellant to one of the drop in replacements going for $130-180 a jug. Do some home work as some drop ins of the replacements have up to a 15% efficiency loss over R-22 and some require and oil change but do not have an efficiency loss.
If you are going to pull a permit you might as well change everything because you will have to provide and AHRI report of efficiency to the inspector and will you will not be able to match the old AHU in the house with the new condenser.
The new propellants have what is called "glide". Basically what happens is all new propellants are a mix or three or more refrigerants and they really do not mix like chocolate milk but are more like oil and vinegar. When the system is running the compressor mixes them all up and they function as designed but when the system is not running they separate so they have to be mixed back up again in the blender so to speak and the time required to do that is called glide as your unit will not cool properly until they are all mixed again. The problem with this new age is if you develop a leak you don't know which refrigerant of the three or four leaked out so you have to remove all of it and replace the charge to insure the correct amount of each. The days of just adding Freon are over. Another case of the EPA and big business sticking it to the people.
You have a few options. PM me and I will explain.
Mikey
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