![]() ![]() It works harder because the suction pressure drops making the compressor work at a higher differential pressure, thus requiring more power. When the coil freezes, heat transfer is greatly reduced resulting in the compressor working harder and longer. For many evaporator units, the ice isn’t melted, or the water isn’t properly drained, resulting in a block of ice taking over the evaporator. It’s not unusual, however, to find evaporators in a state of poor maintenance. Water from the melted ice is drained from the freezer. Each evaporator has a defrost cycle to melt frost/ice that has built up on the evaporator coils. Airflow also decreases as the passages narrow due to ice buildup. Moisture from the air freezes onto the evaporator coils (the cooling coils in the freezer) and forms an insulating barrier to heat transfer. These problems, as well as unnecessarily high energy use, can be avoided by observing equipment and taking corrective action. Problems include failure to maintain pressure and compressor failure, both of which can result in expensive losses to the products stored in the cooler. It is also a large energy user in these facilities but is rarely considered until problems emerge. The ubiquitous walk-in cooler or freezer is an essential part of many cafeterias, restaurants and convenience stores. Privacy Policy Los Angeles – 24 Hour Refrigeration. ![]() Commercial Appliance Repair Los Angeles.Commercial Air Conditioning – Los Angeles.Walk in Cooler Installation Los Angeles. ![]()
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