Goodman 3 Ton Condenser (ssx160361ab) With Goodman (CAPF4860C6) 4 - 5 Ton Coil ? - HVAC - DIY Chatroom Home Improvement Forum


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Old 07-30-2013, 08:06 AM   #1
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Goodman 3 ton condenser (ssx160361ab) with Goodman (CAPF4860C6) 4 - 5 ton coil ?


I realize that this is an age old question.. but would still like to ask for current "schools of thought"
Is it ok to match a Goodman 3 ton condenser (ssx160361ab) with Goodman (CAPF4860C6) 4 - 5 ton coil and my Goodman GCVM960604cx 60,000btu furnace?
The AHRI shows it as a matched system, but wondered as to possible complications associated with the oversized coil ?
Is freezing up the coil a possibility? Any other issues I should consider?
Any help appreciated..

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Old 07-30-2013, 03:29 PM   #2
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Goodman 3 ton condenser (ssx160361ab) with Goodman (CAPF4860C6) 4 - 5 ton coil ?


Goodman's 16 and 18 SEER units get some of that efficiency rating by specifying large coils and TXVs.
I know the main match for my 1.5T 13 SEER HP is a 1.5-2T coil and the match for the 14 SEER 1.5T HP is a 2.5T coil.

Big coils and high CFM improve efficiency by operating at a warmer coil temperature, so freezing won't be an issue, but it's possible a smaller coil might dehumidify better. With your variable speed blower, you can always drop the CFMs if you want better dehumidification and it'll be quieter too.

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Old 08-01-2013, 05:27 AM   #3
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Goodman 3 ton condenser (ssx160361ab) with Goodman (CAPF4860C6) 4 - 5 ton coil ?


Quote:
Originally Posted by taxmantoo View Post
Goodman's 16 and 18 SEER units get some of that efficiency rating by specifying large coils and TXVs.
I know the main match for my 1.5T 13 SEER HP is a 1.5-2T coil and the match for the 14 SEER 1.5T HP is a 2.5T coil.

Big coils and high CFM improve efficiency by operating at a warmer coil temperature, so freezing won't be an issue, but it's possible a smaller coil might dehumidify better. With your variable speed blower, you can always drop the CFMs if you want better dehumidification and it'll be quieter too.

Big coils freeze up as easily as a small coil does.
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Old 08-01-2013, 11:40 PM   #4
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Goodman 3 ton condenser (ssx160361ab) with Goodman (CAPF4860C6) 4 - 5 ton coil ?


Personally, I have used bigger coils and changed to correct piston/meter before. My thoughts are correct pressures with more cooling surface. Old school thought, only go half ton bigger on piston.
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