How to check superheat and subcooling with 100% working
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Once you determine the indoor wet bulb and outdoor dry bulb temperatures, check the manufacturer’s charging chart to determine the proper suction superheat. Using table 3, you can check the range of subcooling by taking a wet bulb reading at the evaporator and a dry bulb reading from the air entering the condenser. Fully understanding superheat and subcooling is the key to a refrigeration system performing at its optimum level.
This check will determine if your subcooling calculation falls within a proper range.
To calculate subcooling measure the high side pressure at the condenser outlet and convert that pressure to temperature by using the pt chart. The difference between the two is. On a piston system the target superheat is calculated using a superheat chart and measuring and plotting the outdoor dry bulb temperature and the indoor wet bulb temperature. To activate this feature, play the video and then select english from the menu (cc icon) in the upper left corner of the video player.
