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Sun, Sep 30, 12 at 1:22
| At the local hvac tech coffee stop there was quite a discussion going on. One of the group was going to install a 5 ton Trane unit to replace a 4 ton unit where compressor had failed. There were varying opinions, the general consensus was if he is careful and charges system correctly he can use the 4 ton A coil without problems. I disagreed but got little support anytime I have encountered a mismatched setup like this, there has been nothing but problems.Whats the genral take on such a set from the experts out there ? |
Follow-Up Postings:
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- Posted by tigerdunes (My Page) on Sun, Sep 30, 12 at 2:39
| I would want a system that was an AHRI match. If not, wouldn't have it or install it. Now there are matches using a smaller coil to a larger condenser. Generally better dehumidification but not as good efficiency. Like most things, not a black and white situation. Depends. I want that AHRI match though. IMO |
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- Posted by energy_rater_la (My Page) on Sun, Sep 30, 12 at 17:27
| what tigerdunes said x2 |
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| Tiger I feel exactly the same way, the guy doing the install says he is going to use either 427-A or R 421 A says they are so mucm more effecient than R22 that he can easily compensate for any equiptment mismatch. I agree this is kinda of grey area and there are no pat answers. Thanks again for the post. Iggie |
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| This sounds like a potential disaster. I would love to hear how well or poorly this works after the job is completed. |
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