My 12 year old Carrier Puron upstairs system was not cooling. Tech man indicated puron was gone due leak in a-coil. Tech said I had a choice of replacing inside and outside units, or just replacing the inside coil 1st. I told him to replace coil first and see how it worked. They replaced the 3ton a-coil saturday morning with a Carrier
CNPVP3617ALA and seemed to work fine for one day. Then blowing hot air again. Called the tech again and he did not want to come out and check it. He insisted on replacing the condenser.
I decided to get a 2nd opinion before replacing condenser. I had the tech that originally installed the system 12 years ago check it out. The psi temp started at 95, and went up to 100. Temperature was only about 80. The line temperature was 75 which he said gave a subcool 25 difference. He said difference should be 15, and it appeared to be overcharged. Suggested I have the other tech adjust it which he should not charge for. Called the 1st tech back again and told him the 2nd tech's opinion. 1st tech had a raging cussing fit and said he didn't like me accusing him of making a mistake. He said he filled it with 6.75 pounds plus some extra for the extra line length going upstairs (35 feet total). The info on the unit was faded, but I was able to read that the
recommended charge was 6.25 pounds. Could an extra 0.5 pounds charge cause the problem? Will it damage my compressor to run with a little overcharge?
So it looks like the 1st tech is refusing to do any analysis work on the unit. Can someone explain my warranty
situation? If I call the 2nd tech or a 3rd tech to adjust the charge, should that repair be considered under warranty?
I will be contacting Carrier 800 number tomorrow to complain about the 1st tech service and get their suggestions.
This post was edited by donaldj on Sun, May 11, 14 at 8:15