What is the operating temperature range of the Dynasty 280?

The Dynasty 280 is rated for operation between 14°F and 104°F (-10°C to 40°C). The storage temperature range is wider, from -4°F to 131°F (-20°C to 55°C). The unit carries an IP23 protection rating, meaning it is designed for outdoor use but should not be used for welding outdoors during precipitation unless it is covered. (Page 14)