What is the operating temperature range for the Dynasty 280?
The Dynasty 280 is designed to operate in temperatures ranging from 14°F to 104°F (-10°C to 40°C). It can be stored in temperatures from -4°F to 131°F (-20°C to 55°C). The unit carries an IP23 protection rating and is designed for outdoor use, but should not be used for welding outdoors during precipitation unless covered.
From the official Miller Dynasty 280 manual, page 14
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