5-ton Condenser On A 4-ton System Question - HVAC - DIY Chatroom Home Improvement Forum

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Old 05-15-2009, 08:56 PM   #1
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5-ton condenser on a 4-ton system question

I have a 4-ton Lennox system. The condenser unit needs replaced but all else is good. Does anybody see any issues with using a 5-ton Goodman condenser with the existing 4-ton system? I am just looking at getting the house cooled for one or two more seasons until I can replace entire system with something newer.


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Old 05-15-2009, 10:12 PM   #2
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The 2 have to match or the condensor will run weird pressures and ice up the indoor coil etc etc.


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Old 05-16-2009, 07:30 AM   #3
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What's wrong with the condenser unit? If you are going to all that expense to just throw it away in 2 years, why not just fix it.
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Old 05-16-2009, 09:41 AM   #4
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Doubtful your moving 400CFM per ton for you 4 ton unit.

So, you'll have low airflow for a 5 ton.
Probably end up freezing up the indoor unit. And wiping out the compressor of the 5 ton.
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