Hello folks, have a question that hopefully an expert can weigh in on. Few months ago I had a new 3 ton carrier Infinity system professionally installed to replace an old 90's system. (I am in Florida) Our air handler is in the attic. Since install, we have had many warranty service calls to repair it, mainly for the air handler dripping into the pan or sweating. With regards to this issue, they came out and did the following warranty repairs on different weeks:
1.) Day after install, unit failed because all the coolant leaked out. Bad solder joint at compressor, fixed under warranty.
2.) A/C Started leaking into pan, I called for service. They vacuumed drain line, changed the pitch of the drain coming out of air handler. I Still found water in pan after a week
3.) Warranty Service: they Installed a p-trap in the drain at the air handler. I Still found water in the pan after a week
4.) Warranty Service: Tech completely took out drain line and installed a new one out of the attic. I still found water in pan after a week
5.) Warranty Service: Tech came out and wrapped the air handler in insulation. Said this is most likely a humidity issue. After a week, still sweating under air handler. Insulation soaked
6.) Warranty Service: Tech came out said "found supply air temp falling below 50 degrees in single speed operation. Raised fan speed to EFF to lock in certain amount of CFMs in each stage". After a week, I still had major sweating at air handler, insulation soaked again.
7.) Warranty Service: Pretty pissed at this point, called them out again, they spent a few hours, did not leave a service note.. have not had sweating for 5 weeks now.
Even though the sweating seems to be fixed, the unit doesn't seem to de-humidify the house past 62% no matter what. Most of the time, it is at 65%.. even if I set it to allow cooling 3 degrees past the set point. My question for you guys: Is this just something I have to live with? Or have they rigged it to just not de-humidify somehow. When we first got it, it was able to bring the house down to below 55% humidity. I am asking the forum because I do not trust the company that installed it. To their credit, they have been quick with the warranty repairs- but they have been out a lot.. I just want piece of mind that maybe this is normal.
1.) Day after install, unit failed because all the coolant leaked out. Bad solder joint at compressor, fixed under warranty.
2.) A/C Started leaking into pan, I called for service. They vacuumed drain line, changed the pitch of the drain coming out of air handler. I Still found water in pan after a week
3.) Warranty Service: they Installed a p-trap in the drain at the air handler. I Still found water in the pan after a week
4.) Warranty Service: Tech completely took out drain line and installed a new one out of the attic. I still found water in pan after a week
5.) Warranty Service: Tech came out and wrapped the air handler in insulation. Said this is most likely a humidity issue. After a week, still sweating under air handler. Insulation soaked
6.) Warranty Service: Tech came out said "found supply air temp falling below 50 degrees in single speed operation. Raised fan speed to EFF to lock in certain amount of CFMs in each stage". After a week, I still had major sweating at air handler, insulation soaked again.
7.) Warranty Service: Pretty pissed at this point, called them out again, they spent a few hours, did not leave a service note.. have not had sweating for 5 weeks now.
Even though the sweating seems to be fixed, the unit doesn't seem to de-humidify the house past 62% no matter what. Most of the time, it is at 65%.. even if I set it to allow cooling 3 degrees past the set point. My question for you guys: Is this just something I have to live with? Or have they rigged it to just not de-humidify somehow. When we first got it, it was able to bring the house down to below 55% humidity. I am asking the forum because I do not trust the company that installed it. To their credit, they have been quick with the warranty repairs- but they have been out a lot.. I just want piece of mind that maybe this is normal.
source https://hvac-talk.com/vbb/showthread.php?2223308-New-HVAC-problems-and-sweating&goto=newpost
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