Direct fuel fired double effect machines have a furnace as an integral part of the high temperature generator, where a variety of liquid or gaseous fuels can be fired to drive the absorption machine.
- Capacities: From 50 to 1550 USRT (175-5450kW)
- Chilled water temperature: Up to 1ºC (34ºF) and -2ºC (28.5ºF) for brine
- Heat source: Natural gas, Liquid Petroleum Gas (LPG), Compressed Natural Gas (CNG), Propane, Kerosene, Biogas & High Speed Diesel (HSD)
- COP: 1.4-1.45