View Full Version : A Coils
05-11-2007, 01:46 PM
other than voiding the warranty on the 13 seer heat pump and not getting the efficiency what are problems with hooking up to a 10 seer a coil?
05-11-2007, 02:38 PM
Economic foolishness. Why invest and not insure and not get the return on your investment?
05-11-2007, 03:55 PM
Refridgerant pressures will be out of wack. Coil could freeze. Premature compressor failure. Just to name a few along with the already stated.
Kinda like buying a corvette and having the dealership take the engine out and putting in a 4 cyl. before you take delivery.
05-11-2007, 04:14 PM
First off evaporator coils do not have SEER ratings condensers have a nominal SEER rating. Condensers or heat pumps have specific SEER/HSPF ratings based on evaporator coil and furnace/air handler combinations.
In some instances an old evaporator coil can be mated to a new condensing unit you just will not know what actual capacity is or what the proper refrigerant charge should be.
IT IS NEVER A GOOD IDEA TO INSTALL A MISMATCHED HEAT PUMP SYSTEM.
In order for the heat pump system to function properly, air flow and charge must be exact. A mis matched heat pump system will not heat or cool efficiently and will have a reduced life expectancy.
Do your self a huge favor and spend the money on a quality contractor that will determine the proper capacity system with properly matched components. In the long run you will save money and live a healthier and more comfortable life.
05-11-2007, 05:26 PM
Thanks for the expert advise its very much appreciated.
05-11-2007, 06:41 PM
the pressure would run very high in the heating season and possibly pop the relief in the compressor....I hope you don't find a company that would do this for you
05-13-2007, 08:00 PM
i am trying to save the expense of reworking the box for the coil since its the new one is larger in width and heighth.
05-15-2007, 07:08 AM
I checked with carrier and if i change the TXV i will not void the warranty and the heat pump will operate properly.
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