Walk In Cooler Condenser Freezing 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.

Walk in cooler condenser freezing up.

It can also greatly increase the operating costs of running your walk in freezer. With r22 40 will start frosting. Walk in cooler and freezer problems like compressor failure and failure to maintain pressure can result in costly loss of products inside the cooler. 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.

Icing doesn t only cause physical damage. Walk in cooler evaperator keeps freezing up suction pressure will varies to the ambient temperature ie. 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.

This causes them to use more energy driving your utility bill up. This was a service call on a walk in cooler that was iced up i found multiple problems with the system including a very dirty evaporator coil and a refrige. Next check for a clean coil and clear drain line. 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.

If airflow is blocked you ll end up with a frozen coil. 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. Also check all gauges to be sure temperatures subcooling superheat and pressures are all normal.

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. Cooler strives to provide our customers and dealers with tools to make the process of buying a walk in as easy as possible.