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Tony G · May 8, 2007, 09:32 AM

I had a Frigidaire FT3BC-030K air conditioning unit installed 3 years ago and I was told that the manufacturer did not recommend that my heat recovery system be hooked up to this type of high efficiency unit because it will put too much of a load on my compressor or pump.
True or false?
Tony G.

hvac1000 · May 8, 2007, 10:55 AM

First of all what type of heat recovery system? Is iot one that uses the residual heat to make hot water? Is it a heat pump model? We need more info to make a logical decission.

Tony G · May 8, 2007, 11:13 AM

Originally Posted by hvac1000

First of all what type of heat recovery system? Is iot one that uses the residual heat to make hot water? Is it a heat pump model? We need more info to make a logical decission.

Thank you for your time.
The unit is a type that also supplies heat for my house. The recovery system would make hot water for my electric hot water heater. The unit is a Frigidaire, 12 seer, heat pump, split system. I hope this helps.
Tony G

hvac1000 · May 8, 2007, 11:35 AM

Looks like you will have 30,000 useful in heating BTU's you are wasting while your A/C is running. If your into energy saving you can use your recovery system to do jut that.

Actually by removing the heat from the high pressure gas you will be doing your A/C a favor in reducing the pressures. Unless you know how to install it you will need a professional with experience on this type of recovery.

The big question is weather or not you will violate your units 5 or 10 year compressor warranty by modifying the system for the recovery unit?

Tony G · May 8, 2007, 03:51 PM

Originally Posted by hvac1000

Looks like you will have 30,000 usefull in heating BTU's you are wasting while your A/C is running. If your into energy saving you can use your recovery system to do jut that.

Actually by removing the heat from the high pressure gas you will be doing your A/C a favor in reducing the pressures. Unless you know how to install it you will need a professional with experience on this type of recovery.

The big question is weather or not you will violate your units 5 or 10 year compressor warranty by modifying the system for the recovery unit?

Thanks again

This will help in my decision.
Tony G

FL-HomeOwner · Jul 14, 2007, 01:23 PM

Tony,

I too find myself in a similar situation, every contractor who has come out to estimate a replacement A/C system has been reluctant to reconnect the heat recovery unit that I have been using for the past 10yrs on my current A/C unit problem free. You cannot beat having free hot water for the months the A/C runs.

Still I am not sure if I want to reconnect with the possibility of voiding the compressor warranty as has been stated.

Did you decide to reconnect yours and with which A/C brand is it paired too?

Thanks in advance.
Paul

Tony G · Jul 14, 2007, 03:45 PM

I did not hook it up. After more research I found out that the manufacture didn't recommend it and it would be voiding my warranty. But because it is such an efficient unit I did notice that during the cold months my electric bill did not change at all from when I had it hooked up before (except for price increases) My unit is a Frigidaire 12 seer Extra High-efficiency air conditioner. I hope this helps. When it was hooked up on my old one it worked great.

God Bless
Tony Giaccone