If your power source is native 48VDC (or -48VDC) as part of a telecom or off-grid solar application, DC4812VRF all-DC air conditioners are your most efficient cooling choice. DC48 air conditioners can substantially reduce power supply/generation costs and battery requirements. An all-DC system means you get the advantage of extreme high efficiency without the need for inverters.
Indoor Unit (IDU)
Outdoor Unit (ODU)
The image on the left is the DC4812VRF DC air conditioner Outdoor Unit (ODU). DC power from batteries connects directly to this unit.
Batteries are required to buffer and stabilize solar power, and for night time operation.