Walk In Cooler Condenser Freezing Up

If airflow is blocked you ll end up with a frozen coil.

Walk in cooler condenser freezing up.

To find the btu size of the refrigeration needed for your walk in we have provided a sizing tool to estimate the required btu s your unit will use. My walk in freezer a kolpac that had a bad txv i replaced it now the refrigeration system runs but the recovery is slow the super heat at compressor inlet is 30 degrees and currently have the expansion valve fully open and the crank case presser regulator all the way in this gives me 30 degrees super heat at the compressor and eight degrees. Walk in cooler and freezer problems like compressor failure and failure to maintain pressure can result in costly loss of products inside the cooler. Icing doesn t only cause physical damage.

5 reasons spot cooler coils freeze up and what to do about it. An undetected ice buildup can lead to a 100 percent increase in walk in cooler operating costs. Improper air flow check to make sure there is nothing blocking the return air vent this is the opening where the air goes across the evaporator coil and returns to the unit. Also check all gauges to be sure temperatures subcooling superheat and pressures are all normal.

Walk in cooler evaperator keeps freezing up suction pressure will varies to the ambient temperature ie. If the walk in cooler is freezing up the first step is to melt ice off the evaporator and then check that the evaporation fan is running and rotating correctly. When the interior components of your walk in have to compete with excess humidity and warm air they have to work harder to maintain temperature levels. Day time night time try to increase the suction pressure high enough so that you will not reach 30 deg suction press.

This causes them to use more energy driving your utility bill up. The buildup of ice on a walk in cooler s evaporator coils ceilings drain pan and other surfaces is one of the most common causes of malfunctions so it s important to set a routine defrost schedule and regularly check the equipment. With r22 40 will start frosting. Next check for a clean coil and clear drain line.

The walk in freezer or walk in cooler is a major part of many convenience stores cafeterias and restaurants. It is also a big energy user but is rarely even thought of until an issue happens.