1. Check intake and exhaust filters monthly. If required, vacuum the filters or rinse under a water tap. Mild detergents may be used but DO NOT use solvent cleaners.
  2. Check the core every six months for dirt accumulation. If required, slide the core carefully out of the case. Clean the core with water and mild detergents ONLY! DO NOT use solvents or other cleaning agents; the water temperature must not exceed 65ºC (150ºF). DO NOT use a high-pressure hose, and be sure to replace the core CAREFULLY. It must be properly aligned with the service instructions facing outward and the arrow UP.
  3. The Drain Pans should be wiped clean with water and mild detergents. AVOID solvent-based cleaners!
  4. Set Dehumidification Control to Summer Setting or Winter Setting dependent on applicable season.
  5. Check outside hood to make sure free and clear of debris.

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