Transcription of REFRIGERANT 410A - RSES
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REFRIGERANT 410A - RSES
INTRODUCTIONR ecently a new REFRIGERANT , R-410A, has been formu-lated and currently is being used in the HVAC/Rindustry. It was developed primarily because the pro-duction of R-22 is scheduled to stop soon. Thephaseout schedule for R-22, as mandated by theEnvironmental Protection Agency (EPA), will be dis-cussed in more detail at the end of this R-410A is specifically intended for use innew air conditioning applications that traditionallywould have used R-22, other applications are alsopossible, including low- and medium-temperaturerefrigeration first glance, the most notable difference betweenR-410A and R-22 is the higher operating pressures(approximately 50% higher on both the discharge sideandthe suction side).For example, a high-efficiencycondensing unit using R-22 typically operates with asuction pressure of about 68 psi and a dischargepressure of about 250 psi at an outdoor temperatureof 95 F.
cylinders rated for 400 psi or higher when recovering R-410A. Compatibility of the recovery equipment with the components that makeup R-410A also is vital.In addition to the guidelines provided by the manufac-turer of the refrigerant, make sure you consult the compatibility data supplied bythe recovery equip-ment manufacturer.
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