Dectron DS Series – Outdoor OMM 34 September 2020
Specific Components Maintenance
Actual maintenance plan may vary from installation to installation, yet there are several key components from
maintenance prospective.
If needed, contact respective component manufacturer for additional maintenance information.
Filters
• Ensure air filters are clean. Dirty air filters will negatively affect dehumidifier performance and lifetime
• Frequency of filters replacement will vary based on air quality, dehumidifier usage, facility type, etc. Make
sure to replace filters regularly
• Replace with filters of equivalent size and rating – refer to dehumidifier details (compartment stickers, etc.)
Insulation
Inspect dehumidifier insulation, exposed to airstream for microbial growth (i.e., mold). If there is evidence of
microbial growth on the interior insulation, the insulation should be removed and replaced prior to operating the
dehumidifier.
Air-Side Coils
• Warning: Hazardous chemicals! Cleaning agents can be highly acidic or alkaline. Handle all chemicals carefully
and use appropriate personal protective equipment (PPE). Refer to the cleaning agent manufacturer's Materials
Safety Data Sheet (MSDS) for safety and handling information. Failure to follow all safety instructions could
result in serious injury or death.
• Warning: Hazardous pressures! Coils containing refrigerant under pressure must not be cleaned using a
solution over 150 ºF. Failure to follow these safety precautions could result in coil bursting, which could result
in serious injury or death.
To clean the coil
• Disconnect all electrical power to the equipment
• Use a soft brush to remove loose debris from the coil
• Mix a high-quality coil cleaning detergent with water according to the manufacturer's instructions
• Clean coil according to suggested instructions
• Thoroughly rinse both sides of the coil and the drain pan with, clean water
• Straighten any coil fins that have been bent during the cleaning process
• Confirm the drain line is clear
• Replace all panels and parts and restore electrical power to the equipment
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