Fan Coil Unit Daily, Weekly, Monthly, Quarterly, Semi annual, Annu preventive maintenance checklists

Daily Maintenance Checklist

  • Open the access panel of the FCU.
  • Remove the air filter gently.
  • Inspect for dirt, dust, or damage.
  • If dirty, replace with a new filter.
  • Close the access panel securely.
  • Turn on the unit and listen carefully.
  • Check for any rattling, humming, or buzzing sounds.
  • Feel for vibrations on the unit's surface.
  • Document any unusual findings.
  • Report significant issues to maintenance personnel.
  • Locate the condensate drain pan and line.
  • Check for any blockages or clogs.
  • Clear any debris or buildup found.
  • Pour water down the drain to test flow.
  • Ensure there are no leaks around the pan.
  • Check the thermostat display for functionality.
  • Adjust temperature settings and observe response.
  • Ensure it communicates with the FCU.
  • Replace batteries if applicable.
  • Confirm settings align with desired space conditions.
  • Use a calibrated thermometer and hygrometer.
  • Record current temperature and humidity levels.
  • Compare readings to desired setpoints.
  • Ensure comfort levels are maintained.
  • Document any significant deviations.
  • Visually examine fan blades for cracks or chips.
  • Check for any unusual noises during operation.
  • Ensure blades are clean and free from dust buildup.
  • Look for signs of imbalance or misalignment.
  • Inspect piping and connections for moisture or corrosion.
  • Use a leak detection solution if necessary.
  • Check the condensate drain for blockages or overflow.
  • Look for any signs of fluid pooling around the unit.
  • Remove any dirt, dust, or debris from the unit's surface.
  • Check and clean surrounding areas to prevent obstruction.
  • Wipe down surfaces with a damp cloth if needed.
  • Inspect for signs of rust or corrosion.
  • Check all wiring and connectors for tightness.
  • Inspect for any signs of damage or wear on wires.
  • Look for corrosion on terminals and connections.
  • Ensure that the power supply is stable and connected.
  • Visually check insulation for tears or degradation.
  • Ensure insulation is securely attached to the lines.
  • Look for signs of moisture or condensation on insulation.
  • Replace any damaged insulation promptly.
  • Check air vents for blockages or restrictions.
  • Use an anemometer to measure airflow if necessary.
  • Ensure louvers or dampers are functioning correctly.
  • Listen for any unusual airflow sounds.
  • Inspect valves for smooth operation and responsiveness.
  • Check for any leaks around the valve connections.
  • Ensure control signals are being received and acted upon.
  • Verify that valves open and close as expected.
  • Use a log sheet or digital tool for recording data.
  • Measure temperature and humidity at unit output.
  • Note any anomalies in operational performance.
  • Ensure records are kept for future reference.
  • Check for objects or materials around the unit.
  • Ensure that curtains or furniture are not blocking airflow.
  • Clear any obstructive debris from the area.
  • Verify that return air paths are clear.
  • Test safety devices to ensure they trigger as expected.
  • Inspect for any visible wear or damage on devices.
  • Make sure indicators are functioning properly.
  • Check for any signs of malfunctioning or failure.

Weekly Maintenance Checklist

  • Turn off the fan coil unit.
  • Remove the air filter according to manufacturer instructions.
  • Inspect the filter for dirt and damage.
  • Clean the filter with water or replace it if necessary.
  • Reinstall the filter securely.
  • Shut off the power to the fan coil unit.
  • Remove the fan cover as per guidelines.
  • Use a soft brush or vacuum to remove dust.
  • Check for any signs of wear on the fan blades.
  • Replace the cover and restore power.
  • Inspect all visible piping for water stains or corrosion.
  • Check fittings and joints for signs of leaks.
  • Tighten any loose connections as required.
  • Wipe down surfaces to detect fresh leaks.
  • Report any significant leaks for repair.
  • Power on the fan coil unit.
  • Listen for normal operational sounds from the motors.
  • Observe for any unusual vibrations or movements.
  • Confirm that both fan and pump are running smoothly.
  • Document any irregularities for further inspection.
  • Turn off the power supply before inspection.
  • Check all wiring for fraying or damage.
  • Look for corrosion on terminals and connectors.
  • Tighten any loose connections carefully.
  • Replace damaged wires or components as needed.
  • Power on the fan coil unit.
  • Listen for normal operational sounds from the motors.
  • Observe for any unusual vibrations or movements.
  • Confirm that both fan and pump are running smoothly.
  • Document any irregularities for further inspection.
  • Turn off the power supply before inspection.
  • Check all wiring for fraying or damage.
  • Look for corrosion on terminals and connectors.
  • Tighten any loose connections carefully.
  • Replace damaged wires or components as needed.
  • Turn off the fan coil unit.
  • Remove the air filter according to manufacturer instructions.
  • Inspect the filter for dirt and damage.
  • Clean the filter with water or replace it if necessary.
  • Reinstall the filter securely.
  • Shut off the power to the fan coil unit.
  • Remove the fan cover as per guidelines.
  • Use a soft brush or vacuum to remove dust.
  • Check for any signs of wear on the fan blades.
  • Replace the cover and restore power.
  • Inspect all visible piping for water stains or corrosion.
  • Check fittings and joints for signs of leaks.
  • Tighten any loose connections as required.
  • Wipe down surfaces to detect fresh leaks.
  • Report any significant leaks for repair.

Monthly Maintenance Checklist

Quarterly Maintenance Checklist

  • Use appropriate lubricant as specified by the manufacturer.
  • Apply lubricant to both fan and motor bearings.
  • Ensure excess lubricant is wiped away to prevent accumulation.
  • Check for any abnormal noise during operation post-lubrication.
  • Use a calibrated thermometer to compare with thermostat readings.
  • Adjust the thermostat settings to align with the thermometer.
  • Ensure that the thermostat responds promptly to temperature changes.
  • Document any calibration adjustments made.
  • Look for visible signs of air leaks around joints and seams.
  • Use smoke or a smoke pencil to detect airflow issues.
  • Check for blockages caused by dust or debris.
  • Seal any identified leaks with appropriate duct sealant.
  • Remove dust and debris from the unit exterior using a soft cloth.
  • Clear any obstructions or debris from around the unit.
  • Ensure that drainage paths are free of blockages.
  • Inspect for signs of rust or corrosion on the exterior.
  • Look for patterns in reported issues over time.
  • Identify any areas that require more frequent attention.
  • Note any unresolved issues that need further investigation.
  • Plan corrective actions based on findings.
  • Remove the air filter and visually inspect for dirt accumulation.
  • Clean reusable filters with water or replace disposable filters.
  • Ensure proper fit of the filter in its housing.
  • Check the manufacturer's recommendations for replacement frequency.
  • Power down the unit before inspecting electrical components.
  • Use a screwdriver to check tightness of all connections.
  • Look for signs of corrosion or wear on terminals.
  • Document any connections that were tightened or repaired.
  • Check the drain pan for water accumulation.
  • Use a wet/dry vacuum to remove any clogs in the drain line.
  • Ensure that the drain line is clear and flowing freely.
  • Inspect for any signs of leaks around the drain connection.
  • Use a gauge to measure refrigerant levels in the system.
  • Inspect all refrigerant lines for signs of leaks.
  • Check for oil stains near joints, indicating possible leaks.
  • Document refrigerant levels and any leaks found.
  • Simulate a safety condition to test the controls.
  • Verify that emergency shut-off switches function correctly.
  • Ensure indicator lights or alarms activate as designed.
  • Document the results of the tests for future reference.
  • Check for bent or damaged fins using a fin comb.
  • Clean the fins using compressed air or a soft brush.
  • Ensure that the coil is free from debris to maintain airflow.
  • Document any repairs or cleaning performed.
  • Inspect insulation for tears, wear, or moisture damage.
  • Replace or repair any damaged insulation as necessary.
  • Ensure insulation is adequately secured to pipes.
  • Document any insulation repairs made during inspection.
  • Check that all protective covers are intact and secured.
  • Look for missing screws or fasteners and replace as needed.
  • Ensure that guards do not impede unit operation.
  • Document any missing or damaged guards for replacement.
  • Test each speed setting to ensure proper functionality.
  • Listen for unusual noises that may indicate issues.
  • Adjust fan speed settings according to operational requirements.
  • Document any adjustments made during testing.
  • Monitor the temperature output of the unit during operation.
  • Compare readings to the manufacturer's specified temperature range.
  • Adjust settings as needed to maintain optimal performance.
  • Document temperature readings and any adjustments.
  • Examine all visible wiring for frays, burns, or corrosion.
  • Ensure that wires are properly secured and insulated.
  • Replace any damaged wiring immediately to prevent hazards.
  • Document any issues found and repairs made.
  • Record all observations made during the inspection.
  • Note any parts that require replacement or servicing.
  • Include dates and details of actions taken.
  • Ensure log is up-to-date for future reference.

Semi-Annual Maintenance Checklist

Annual Maintenance Checklist

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