R410A Handling Properties (TB17)2004
R410A is a recognised refrigerant for air conditioning and comfort heating heat pumps . Many major Original Equipment Manufacturers (OEMs) in this application field, represented in the EU, now supply systems using R410A. R410A is a near azeotropic mixture consisting of two HFC components, R32 and R125 in the proportions 50%/50% by weight. R410A has much higher pressures than R22. System condensing pressures will be 9 to 10 bar higher than with R22. System performance will be similar to R22. To gain the full benefits of R410A the system should be designed to take full advantage of its better heat transfer properties. Servicing with R410A should be straightforward provided the guidelines given below are followed. Systems which use R410A normally have compressors charged with a polyolester (POE) lubricant.
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