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Suction or discharge?


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Ok - I'm having a brain fart here......

 

the A/C lines from the compressor to the evaporator (and back) I know them as 'high pressure side' and 'low pressure side'. which one is the suction line (the high or low side)?

 

Thanks

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Line from compressor to condenser and from condenser to expansion valve are HIGH pressure, the expansion valve converts high pressure to low pressure in the evaporator, making the evap cold then the line from the evap is a low pressure line.Hope this helps.

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making the evap cold

 

Close. The reduction in heat in the cabin doesn't come from making the evap cold, but from making the refridgerant change state in the evap (from a liquid to a gas) by boiling it. This takes heat energy, which comes from the air passing through the evap fins.

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making the evap cold

 

Close. The reduction in heat in the cabin doesn't come from making the evap cold, but from making the refridgerant change state in the evap (from a liquid to a gas) by boiling it. This takes heat energy, which comes from the air passing through the evap fins.

Yea if you buy into what they teach you in A/C school (I am ASE certified in A/C) Just grab a hold of an evaporator when the A/C is running, Its COLD. My explaination was aimed at the layman.Most people thing of boiling as in boiling water (hot) not boiling off to a gas as in Freon or R134a. :cheers:

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making the evap cold

 

Close. The reduction in heat in the cabin doesn't come from making the evap cold, but from making the refridgerant change state in the evap (from a liquid to a gas) by boiling it. This takes heat energy, which comes from the air passing through the evap fins.

Yea if you buy into what they teach you in A/C school (I am ASE certified in A/C) Just grab a hold of an evaporator when the A/C is running, Its COLD. My explaination was aimed at the layman.Most people thing of boiling as in boiling water (hot) not boiling off to a gas as in Freon or R134a. :cheers:

 

Well, I guess I'll have to buy in to myself, as I teach A/C classes :D . :cheers:

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