HVAC saga

**KDAVID1** · 10-23-2014, 05:59 PM

Well since we put in a couple of window units in May I haven't thought much about finishing the job (been busy) well it's starting to get chilly so I had to get busy. I had two problems after my initial fix. 1 was the evap coil is leaking and 2 the blower motor was getting hot and cutting off (going bad) so I replaced the blower motor and thought all was well--NOPE--the only thing that would come on is the outside condenser unit. Well after trouble shooting the control board is bad. Not sure if that is what started this mess or died due to the other stuff. Regardless we will have heat tomorrow

Ac still gonna wait until the spring (still mulling what to do) and on the plus side I didn't even come close to electrocution this time

**Speck** · 10-23-2014, 06:39 PM

Gewber, you know that one of the best HVAC guys around is right here on this board. Mr. Jim has walked me through many a problem that had me stumped. He is the MAN!!!

**KDAVID1** · 10-23-2014, 07:09 PM

Haha-yep this one is pretty straight forward. I think the board was burning up when I started having the original problems. If for some reason it doesn't work I'll be giving him a shout for sure. Not much to them thats for sure.

**Rees Guide** · 10-23-2014, 07:14 PM

Bet you electricity bill was lower this summer than it was last year. Running a central unit eats some juice.

**midcarolina** · 10-23-2014, 07:35 PM

Many times when a blower motor goes out on thermal it's a bad capacitor and not a bad motor...........capacitors are NOT made like they used to be, but thats a whole nother topic.........Not sure what exact unit you have, but the problem with the board is most likely a bad time delay relay that is incorporated into the board.

Is this a 410A system or 22? many many of the newer 410A coils have a serious problem with developing leaks...... I assume you are referring to a freon leak.

**Tracker123** · 10-23-2014, 07:44 PM

Originally Posted by Rees Guide

Bet you electricity bill was lower this summer than it was last year. Running a central unit eats some juice.

Not if it's engineered right. I run two units on 2,700+ sq. ft. for less than $125/mo.

**KDAVID1** · 10-23-2014, 07:56 PM

It was a bit cheaper this year. The ac is r22 the condenser is 20 yrs old and the coil is12. From what I understand the coil wasn't a good one to begin with.
Good point on the cap. I put a new one in with the new blower.

**Rees Guide** · 10-23-2014, 08:11 PM

Originally Posted by Tracker123

Not if it's engineered right. I run two units on 2,700+ sq. ft. for less than $125/mo.

Agreed but most are trying to run one unit in a 1800 to 2200 square foot home, doesn't work very efficient like that. Our electric in the summer months runs just over 100 bucks, around 55 in the winter but we don't keep it cold either, mid 70s year round.

**Rees Guide** · 10-23-2014, 08:11 PM

Originally Posted by Tracker123

Not if it's engineered right. I run two units on 2,700+ sq. ft. for less than $125/mo.

Agreed but most are trying to run one unit in a 1800 to 2200 square foot home, doesn't work very efficient like that. Our electric in the summer months runs just over 100 bucks, around 55 in the winter but we don't keep it cold either, mid 70s year round.

**ducker** · 10-23-2014, 08:55 PM

I run 2 units in around 2k sq ft which one only cools around 500 sq ft for under $200 in the summer and we keep it at 65-69

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