Commercial Walk In Freezer Defrost Cycle

Defrost cycles are normally time initiated and temperature terminated with a fail safe time backup.

Commercial walk in freezer defrost cycle. A defrost heater rating of a typical medium sized commercial freezer evaporator coil producing 46 000 btu h of cooling is 10 950 watts. Commercial freezer defrost cycles explained. Because this is a cooler and not a freezer it. As mentioned above an average defrost cycle lasts about 30 minutes and occurs 4 times a day resulting in two hours of run time.

Another great way to avoid costly icing repairs and utility bills is to regularly run a defrost cycle for a sufficient amount of time. We suggest following routine maintenance recommendations to keep your walk in freezer running efficiently. This is a quick real life diagnosis find by kalos services senior commercial hvac r tech eric mele improper defrost timer installation while servicing this display cooler for an unrelated problem i noticed the defrost timer installed in a way that will almost certainly cause early compressor failure. Icing problems are common but preventative maintenance can keep ice build up at bay so that your costs.

In some cases a normal compressor off cycle will kick in and this can be enough to keep the condenser coils frost free. The type of auto defrost control on a commercial freezer depends on the freezer model the running temperature the products stored and how often the doors are opened. Although we don t have to deal with them defrost cycles didn t go. A freezer s defrost cycle is something most of us rarely have to think about.

The cycle should be long enough to clear the coil of frost with minimal heat gain into the space but short enough to prevent steaming which occurs if the evaporator coil gets too hot.