In systems using the expansion valve (instead of capillary tube) you must pay attention if the compressor is in the condensing unit has a high starting torque.įor example: compressors with low starting torque should be applied only to systems with capillary tube, and compressors with high starting torque can be applied to expansion valve and capillary tube. Be sure to select condensing units that feed with the same voltage and frequency of the power supply.Īlso analyze the starting torque. Exceeds DOEs AWEF requirement by up to 15 in the capacity range of 1/2 to 6 HP The Most Dynamic Condensing Unit and Unit Cooler Combination on the Market Leading-edge, AC powered variable speed technololgy. In addition to the discussion above, also stay tuned to the power supply. If it is necessary to apply an UC with different fluid from that used by the previous system, you must check that the operation pressures (evaporation and condensation) are within a safe threshold for system pipes. Hereyou can select the product and check this important information. It is possible to assess by means of technical data sheets. So, when choosing the CU, you should always check the evaporation range that the compressor is approved to work. The evaporation ranges of each compressor and, therefore, of every condensing unit, vary from one to another. One of the main items refers to the evaporating temperature desired in the cooling system, which depends on the “application envelope” (evaporation) that the compressor is approved and ready to work. The condensing units need to be selected according to the application, such as refrigerated counters and beverage refrigerator, for example. This ability depends on the operation point, such as temperature, evaporation and condensation, that we will see in more detail in the next step. So, each set CU (“compressor + condenser”) is appropriately sized which ensures technical reliability for the customers.ĭue to the sizing accuracy, you can select a unit according to the ability that your compressor develops. The compressors of different families have different heights and, therefore, you should pay attention to not be a problem at the time of assembly.Ģ – What is the capacity of the condensing unit?Įmbraco condensing units, for example, are designed by engineers specialized in refrigeration. Many CUs are based on a metal plate or a “rail,” whose sizes are not standards in all cases, although the goal is always to seek the standardization.Īnother important point about the physical space is the family of the compressor. Studying and analyzing the available space is a very important point to choose the condensing units. Now, let us address on the main points that need to be taken into consideration at the time to decide which CU is the most suitable for each type of application. Here in this post you can check what it is, what it is for and what are the benefits of a condensing unit (CU).
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