How far should I keep the Dynasty 280 from surrounding walls or objects for proper ventilation?

The Dynasty 280 requires at least 18 inches (460 mm) of clearance on all sides to ensure proper airflow and prevent overheating. Blocking or filtering the ventilation air can cause the unit to overheat. Do not position or operate the unit where it could tip over.

From the official Miller Dynasty 280 manual, page 16

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