What is R500 used for in air conditioner?

R-500: Designed to be a higher capacity R-12 type refrigerant, R-500 found some use in air conditioning and dehumidifier equipment and in positive pressure centrifugal chillers. R-502: Before its phaseout in 1995, it was used in low temperature refrigeration (the evaporator pressure stays out of vacuum down to – 40°F).

What is the difference between R-12 and R-500 refrigerants?

Applications: direct expansion refrigeration and air conditioning systems designed for R-12 or R-500; good success in any size system, minor adjustment of controls needed. Discharge pressure and temperature increases compared to R-12, which may be a problem in very hot ambient conditions.

Is the canon pr500-r a wireless presenter?

Present with Confidence and Stay on Track with Canon’s newest line of wireless presenters. Introducing the Canon PR500-R Wireless Presenter, a professional presenter with intuitive slideshow controls. It features a highly visible red laser pointer 1 that’s twice as visible as standard lasers.

What is the application temperature range for R-134a?

Application Temperature Range: R-134a performance suffers at lower evaporator temperatures. In general it is not applied at temperatures below -10°F, and it is not necessarily the most economical overall choice in some other applications.

What is the difference between R-22 and R-502?

R-502: Before its phaseout in 1995, it was used in low temperature refrigeration (the evaporator pressure stays out of vacuum down to – 40°F). R-502 offered lower discharge temperature and improved capacity compared to R-22.

What is the difference between R-502 and r-408a propane?

Although propane was included to improve oil circulation it is still recommended that some mineral oil be removed and replaced with alkylbenzene or POE. R-408A: A retrofit blend for R-502 refrigeration systems. This blend has the closest pressure/temperature match to R-502 across the whole operating range of temperatures.