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3

I'm not a HVAC expert but a 5 ton unit sounds pretty large for a 3000sqft house. You can probably approach this in one of two ways. One is probably what the previous owner did and just throw more cooling capacity at the problem (two units, larger units, etc.). Alternatively, you can start looking at ways to get more out of your existing unit. Some things ...


3

First, be wary of the two big capacitors. One is the large "beer-can"-shaped component against the inside wall of the enclosure, and the other is the smaller, silver oval-shaped can right next to it. These can hold electrical charge, and could hurt you. You'll want make sure that they're discharged. Once you unplug the unit, wait a few minutes for the ...


3

Is there a small switch somewhere n the thermostat that says something like "fan" and has positions for "auto" and "on"? Is it in the "On" position? If what you mean is that the fan keeps blowing when the thermostat is not calling for cooling (but the air at that point is not being cooled) that could be it. Otherwise, look for a short circuit in the ...


2

You would be far better off building a roof type structure over the window well that is well above the window well and projects far enough out around the edges of the well that rain water does not enter the well. Trying to jury rig a scheme to keep an existing lid open "just enough" sounds like a recipe waiting for disaster. Either it will be left closed ...


1

You are correct the refrigerant is not a consumable. If a system is low on refrigerant, then it has a leak. The technician should have a "sniffer" tool that can detect refrigerant leaks. If they didn't use it last time, then they were irresponsible. Also, refrigerant is expensive so that attitude of "if it gets low again then we know you have a leak" is ...


1

I think I'd suggest looking for alternatives which don't involve that window well. Perhaps a ducted A/C would let you install the ducts through the wall above the sill (as you would a dryer's output).


1

I'm imagining it's only a 1/2" pipe, in which case maybe an on-floor cord protector might work: http://www.homedepot.com/p/Legrand-Wiremold-5-ft-Over-Floor-Cord-Protector-CDBK-5/100669770 Or you could re-route the pipe around the perimeter of the room to avoid the heaviest traffic.


1

I'll let someone else take a stab at helping you fix your immediate problems, but I'll take a crack at the deeper issue. From your profile, I see that you live in New York. Assuming your mother does as well, your climate is wet, but only very hot for a few months out of the year. Running a central A/C unit year-round simply to dry the air out is a gross ...


1

It looks like all the wires have connectors on them, so nothing crazy like soldering will be required. Compare the old board and the new board to make sure that all of the connections have the same labels, and label all the wires accordingly. Just make sure the power to everything is turned off and go for it.


1

How did the system perform back in '96 or at least on a good charge? Ideally someone preformed all the necessary 'manuals' and it was the correct size to use. I lived in a 1700 sf apartment that was always a little hot until we switched out a 2.5 for 3. It all depends on your heat gain: windows, drafts, insulation, lighting, appliances, humans.... If you are ...


1

If the system run normally when the thermostat is calling for heat, and when the fan control is switched to the ON position. Then the first thing I'd look at, is the contactor in the condensing unit. WARNING: If you're not comfortable opening the condensing unit, and/or working with electrical devices. PLEASE contact a licensed and insured HVAC technician. ...


1

I have a ruud rheem heat pump, I had this same issue. The unit was installed in 2006. After going through the typical steps of checking air filters and electrical components on the unit, I found the wiring from the thermostat for the blower control to the control board was rusted in the wire nut. I cut the wires and stripped them back and reconnected the ...


1

We had the same problem in our house, and we've simply lived with it - having had HVAC companies come out and inspect or evaluate it. They all said the system was in good working order, and was appropriately sized for our house. This year we replaced 3 windows and a doorwall in the first floor of the house, and suddenly we can not only maintain a ...



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