Where is the location to pipe in a check valve on air-cooled split systems, per circuit?
A check valve is recommended and should be located 6′ to 10′ from the compressor on the discharge line. Is the external static pressure (ESP) listed in the catalog external or total ESP? All the external static pressure (ESP) listing in Data Aire’s product catalogs are total ESP. What are the low and high-pressure switch settings? The low-pressure switch is set to 28 PSI. The high-pressure switch is set at 400 PSI. What is the pressure setting for hot gas by-pass? The factory/standard setting is to begin opening when the suction pressure falls below 60 PSI. What is the pressure drop across the coils of Data Aire unit and/or the unit itself? There are a number of factors that can affect these results as well as the configuration of the unit. In general the pressure drop across the coil is .3″ to .5″, and for the entire unit the pressure drop will range between 1.5″ and 2.5″. For more specific information on a particular unit contact the Engineering Department. What are the pressure drop
