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EricW
13-08-2010, 02:07 PM
I need to know the proper superheat for a walk in freezer with 404A refrigerant?

lynark
13-08-2010, 05:54 PM
I need to know the proper superheat for a walk in freezer with 404A refrigerant?


hi ericW,

it depends on what point in the system you want to measure.

- evaporator
- compressor

coolstuf
13-08-2010, 08:08 PM
Hi,

4 to 6 K superheat @ TEV bulb

radekklimat
13-08-2010, 09:02 PM
Superheat for the various ranges of evaporated
6-8K for air conditioning
8-10K for the cold
10-13K for freezers
4-6K has no such scope as the oil starts to less than 6K on tight foam which means a large number of factors in the oil.
The gas is of no significance.