A detailed Fan Coil Unit DAILY preventive maintenance checklists
General Inspection
- Examine all connections and joints closely.
- Look for moisture or water stains on surfaces.
- Check the condensate drain for blockages.
- Inspect the surrounding floor for signs of water.
- Listen for rattling, grinding, or hissing sounds.
- Identify the source of any abnormal noises.
- Ensure that all moving parts are functioning smoothly.
- Check for loose components that may cause noise.
- Use a soft brush or vacuum to clean surfaces.
- Inspect filters and replace if necessary.
- Wipe down exterior surfaces with a damp cloth.
- Ensure that air intakes and outlets are clear.
- Check all mounting brackets and supports for stability.
- Ensure that the unit is level and properly aligned.
- Inspect for any signs of wear on mounting hardware.
- Tighten any loose screws or bolts.
- Inspect the area around the unit for any blockages.
- Ensure that vents and ducts are clear.
- Check for furniture or equipment obstructing airflow.
- Measure airflow using an anemometer if necessary.
- Look for cracks, tears, or discoloration.
- Ensure insulation is intact and firmly attached.
- Check for moisture buildup around the insulation.
- Replace any damaged insulation immediately.
- Check that all access panels are in place.
- Inspect panel seals for wear or damage.
- Ensure screws or fasteners are tight.
- Confirm that panels are not loose or misaligned.
- Inspect all visible fasteners for rust or damage.
- Tighten any loose screws or bolts.
- Replace any corroded fasteners as needed.
- Ensure that all components are securely fastened.
- Look for debris or flammable materials near the unit.
- Ensure that pathways are clear for maintenance access.
- Inspect for any water leaks or electrical hazards.
- Identify any potential safety risks in the vicinity.
- Look for droppings or nests near the unit.
- Inspect for damage caused by pests.
- Ensure that all entry points are sealed.
- Consider pest control measures if necessary.
- Check the pan for dirt, algae, or debris.
- Ensure that the drain line is clear.
- Empty any standing water from the pan.
- Clean the pan with a mild detergent if needed.
- Check for changes in performance noted in logs.
- Identify any recurring issues or patterns.
- Document any significant findings for future reference.
- Plan for necessary repairs based on log reviews.
- Inspect all labels for clarity and visibility.
- Replace any worn or faded labels.
- Ensure that safety and operational labels are present.
- Confirm that labels are securely attached.
Air Filters
Coils
- Look for visible dust and grime on coil surfaces.
- Pay attention to both sides of the coils.
- Identify areas with heavy buildup that may impact performance.
- Examine for rust spots or flaking paint.
- Look for any physical damage or leaks.
- Assess the overall integrity of the coil structure.
- Inspect for any debris blocking the coil area.
- Check surrounding components that may restrict airflow.
- Remove any obstacles to ensure adequate ventilation.
- Use coil cleaner suitable for the specific coil type.
- Follow manufacturer instructions for dilution and application.
- Ensure to rinse thoroughly to prevent residue buildup.
- Use a thermometer to measure inlet and outlet temperatures.
- Calculate the temperature difference to assess performance.
- Document any discrepancies for further evaluation.
- Look for bent or damaged fins that may restrict airflow.
- Use a fin comb or similar tool to straighten bent fins.
- Ensure fins are aligned for optimal performance.
- Inspect joints and connections for any signs of oil or frost.
- Use a leak detector if necessary for precision.
- Tighten any loose fittings to prevent leaks.
- Inspect drain pans for standing water or debris.
- Clear any blockages in the drain line.
- Ensure proper drainage to avoid water damage.
- Check for cracks, tears, or missing insulation.
- Ensure insulation is intact to prevent energy loss.
- Replace damaged insulation as needed.
- Check all mounting brackets and fasteners for tightness.
- Look for signs of wear on mounting hardware.
- Adjust or secure coils as necessary.
- Review the manufacturer's guidelines for specific maintenance tasks.
- Ensure compliance with recommended maintenance intervals.
- Document any deviations from the manufacturer's recommendations.
- Keep detailed records of inspections and maintenance performed.
- Note any issues identified and actions taken.
- Use documentation for future maintenance planning.
Drainage System
- Check for visible water in the pan.
- Look for rust or corrosion signs.
- Ensure the pan is intact and not damaged.
- Note any unusual accumulation patterns.
- Use a flexible brush or cable to dislodge clogs.
- Flush the line with water to ensure clearance.
- Check for debris in the trap or bends.
- Confirm flow resumes after clearing.
- Use a level to check the slope.
- Adjust the line if necessary to maintain proper angle.
- Inspect for kinks or sharp bends.
- Verify that water drains freely without pooling.
- Inspect joints and seams for dampness.
- Look for water stains or drips.
- Tighten any loose fittings.
- Replace any damaged seals or gaskets.
- Examine the line for visible cracks.
- Check for signs of wear or deterioration.
- Look for discoloration or soft spots.
- Replace any compromised sections of the line.
- Check all connections for tightness.
- Ensure brackets or clamps are in place.
- Look for signs of movement or shifting.
- Re-secure any loose connections as needed.
- Attach the vacuum hose to the drain line.
- Create a seal to ensure suction.
- Turn on the vacuum and monitor for debris removal.
- Clean the vacuum filter if it gets clogged.
- Check the pump for any visible blockages.
- Listen for unusual noises during operation.
- Ensure it turns on and off correctly.
- Clean the pump and surrounding area.
- Pour a measured amount of water into the pan.
- Observe the pump activation closely.
- Ensure water is pumped out efficiently.
- Repeat if necessary to confirm functionality.
- Check for debris or blockages at the discharge point.
- Ensure the discharge area is clear.
- Observe for any signs of water backup.
- Remove any obstructions as needed.
- Inspect the pan for any discoloration.
- Use a mixture of water and vinegar for cleaning.
- Scrub any visible growth with a soft brush.
- Rinse thoroughly and ensure it dries properly.
- Record observations and actions in a log.
- Note any repairs or replacements made.
- Include dates and technician names.
- Store the documentation in a safe location.
Fan Operation
- Listen for any unusual sounds during operation.
- Observe the fan's performance for smooth operation.
- Record any deviations from normal sound profiles.
- Examine blades for dust accumulation or debris.
- Check for chips, cracks, or other physical damage.
- Clean blades if dirt is present using appropriate methods.
- Verify settings against operational requirements.
- Adjust speed settings if necessary to optimize performance.
- Document any changes made to speed settings.
- Observe the fan's rotation visually.
- Confirm direction matches design specifications.
- Rewire if rotation is incorrect to ensure proper airflow.
- Place hand on the unit to feel for excessive vibrations.
- Use a vibration meter if available for accurate readings.
- Investigate sources of vibrations if they exceed normal levels.
- Touch the motor casing to check for excessive heat.
- Listen for grinding or whining sounds from the motor.
- Report any overheating or noise issues for immediate attention.
- Refer to the manufacturer's guidelines for lubrication frequency.
- Use the recommended lubricant and apply it carefully.
- Wipe away excess lubricant to prevent dirt attraction.
- Check all mounting brackets and bolts for tightness.
- Use a torque wrench to confirm specifications if needed.
- Replace any missing or damaged fasteners.
- Position anemometer at the fan's discharge point.
- Take multiple airflow readings for accuracy.
- Compare readings with manufacturer specifications.
- Check for any foreign objects blocking airflow.
- Look for cracks or warping in the housing.
- Clear any obstructions and report housing damage.
- Observe the fan continuously for any irregularities.
- Document any recurring problems for future reference.
- Initiate troubleshooting if issues are detected.
- Inspect guards for proper installation and condition.
- Ensure no gaps are present that could allow access.
- Tighten or replace guards as necessary.
- Review historical performance data and maintenance logs.
- Identify any discrepancies from expected performance metrics.
- Plan and implement adjustments based on findings.
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