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We installed a 4 ton downflow coleman air handler with evap coil Model number 1854s2m we did not change out the outside unit. the outside unit is a 13 year old 3 1/2 ton intertherm condenser the system is only generating a 10 degree delta T. My question is, this coil came with a factory TXV I am trying to find out is this a 10 seer or 13 seer coil is it compatable with the outside unit.

Answers :

You have a missmatched system, for it to work try removing the orfice on the high side txv it is not allowing the evaperator coil to fill with refrigerant properly coleman and intertherm dont like each other since they control a large market in the manufactured housing heating and cooling units electricaly connecting the componets together no issue prefromance sometimes is the issue hope this helps

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We installed a 4 ton downflow coleman air handler with evap coil Model number 1854s2m we did not change out the outside unit. the outside unit is a 13 year old 3 1/2 ton intertherm condenser the system is only generating a 10 degree delta T. My question is, this coil came with a factory TXV I am trying to find out is this a 10 seer or 13 seer coil is it compatable with the outside unit.

You have a missmatched system, for it to work try removing the orfice on the high side txv it is not allowing the evaperator coil to fill with refrigerant properly coleman and intertherm dont like each other since they control a large market in the ... Air Conditioners

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New outside compressor 4 ton Ruud 13 seer unit.

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