Greenheck Dedicated Outdoor Air Unit RV-75

Check coils for dirt and debris accumulation

Select cleaning method based on coil condition

Is the coil fin thickness over 0.0095 inches?

Test spray pressure on a small corner of the coil

Are you a qualified personnel to handle chemicals?

Adjust replacement schedule for MERV 13 and MERV 14 or other filters as inspection requires

Check all fasteners for tightness

Check for fatigue, corrosion, wear

Clean the fan wheel to remove any oil and dust accumulation.

Clean the fan housing to ensure smooth operation.

Inspect fan impeller for signs of fatigue, corrosion, or wear.

Inspect fan housing for signs of fatigue, corrosion, or wear.

Check all fasteners, set screws, and locking collars for tightness on the following components

Check that all filters are in place

Remove the aluminum filters from the weatherhood

Clean the filters with mild detergent and warm water

Reinstall the cleaned filters in the weatherhood

Is there moisture in the drain pan?

Clean the drain pan to prevent algae and microbial growth