A detailed Fan Coil Unit MONTHLY preventive maintenance checklists
1. Visual Inspection
2. Air Filter Maintenance
3. Coil Cleaning
- Turn off power to the unit.
- Remove any access panels.
- Use a flashlight to inspect coils.
- Look for visible dust or debris.
- Record any significant accumulation.
- Use a soft brush to dislodge debris.
- Utilize a vacuum to remove loose particles.
- Be gentle to avoid damaging fins.
- Ensure all surfaces are cleaned.
- Replace access panels after cleaning.
- Inspect coils for rust or discoloration.
- Look for fluid stains or moisture.
- Check connections for leaks.
- Document any corrosion or leaks found.
- Report severe issues to maintenance.
- Turn off power to the unit.
- Remove any access panels.
- Use a flashlight to inspect coils.
- Look for visible dust or debris.
- Record any significant accumulation.
- Use a soft brush to dislodge debris.
- Utilize a vacuum to remove loose particles.
- Be gentle to avoid damaging fins.
- Ensure all surfaces are cleaned.
- Replace access panels after cleaning.
- Inspect coils for rust or discoloration.
- Look for fluid stains or moisture.
- Check connections for leaks.
- Document any corrosion or leaks found.
- Report severe issues to maintenance.
4. Drainage System Check
5. Fan and Motor Inspection
- Remove any dust or debris from the fan blades.
- Inspect blades for cracks, dents, or corrosion.
- Ensure blades are securely attached to the fan assembly.
- Clean blades using appropriate cleaning solution if necessary.
- Identify lubrication points on the motor and bearings.
- Use appropriate lubricant as specified by the manufacturer.
- Apply lubricant evenly without over-saturating.
- Wipe away excess lubricant to prevent accumulation.
- Start the motor and observe for any abnormal sounds.
- Check for excessive vibration by touching the motor casing.
- Ensure all components are securely fastened.
- Look for signs of wear or damage on the motor.
- Remove any dust or debris from the fan blades.
- Inspect blades for cracks, dents, or corrosion.
- Ensure blades are securely attached to the fan assembly.
- Clean blades using appropriate cleaning solution if necessary.
- Identify lubrication points on the motor and bearings.
- Use appropriate lubricant as specified by the manufacturer.
- Apply lubricant evenly without over-saturating.
- Wipe away excess lubricant to prevent accumulation.
- Start the motor and observe for any abnormal sounds.
- Check for excessive vibration by touching the motor casing.
- Ensure all components are securely fastened.
- Look for signs of wear or damage on the motor.
- Check that the fan and motor shafts are parallel.
- Use a straightedge to confirm alignment.
- Adjust any misaligned components as necessary.
- Recheck alignment after adjustments are made.
- Inspect all bolts and screws for tightness.
- Look for signs of rust or corrosion on hardware.
- Replace any damaged or missing hardware.
- Ensure that the mounting surface is stable.
- Examine all wiring for frays or damage.
- Check terminals for corrosion or loose connections.
- Clean connections using a suitable electrical contact cleaner.
- Secure and replace any damaged wires or connectors.
- Switch the fan to different speed settings.
- Observe the performance at each setting for consistency.
- Listen for any unusual sounds during operation.
- Document any irregularities for further investigation.
- Use a clamp meter to measure the amperage draw.
- Record the current readings at various speed settings.
- Compare readings to the manufacturer's specifications.
- Investigate any significant discrepancies.
- Inspect the housing for any visible blockages.
- Remove any debris that could impede airflow.
- Ensure that the housing is clean and free of dust.
- Check that air intake and exhaust paths are clear.
- Check the belt for signs of fraying or cracking.
- Ensure the belt is properly tensioned based on specifications.
- Verify that the belt aligns with the pulleys correctly.
- Replace the belt if it shows significant wear.
6. Electrical Connections
7. Thermostat and Controls
- Set thermostat to a specific temperature.
- Observe system activation and response.
- Listen for fan operation and temperature change.
- Confirm accurate heating or cooling output.
- Operate all control buttons and switches.
- Verify response from the fan coil unit.
- Test manual and automatic modes.
- Check for any unusual noises or delays.
- Examine display for error messages.
- Refer to user manual for code meanings.
- Reset system if necessary and retest.
- Document any persistent error codes.
- Use a calibrated thermometer for comparison.
- Adjust thermostat settings if discrepancies exist.
- Ensure the displayed temperature matches room conditions.
- Recheck calibration after adjustments.
- Examine wires for fraying or exposure.
- Check terminal connections for tightness.
- Look for signs of corrosion or heat damage.
- Replace any damaged components immediately.
- Use a soft cloth or brush for cleaning.
- Avoid using water or cleaning agents.
- Ensure no dust obstructs sensor areas.
- Regularly schedule cleaning as part of maintenance.
- Check mounting screws for tightness.
- Realign thermostat if misaligned.
- Test stability by gently pulling on the unit.
- Replace anchors if necessary.
- Set a schedule and observe operation.
- Adjust settings and confirm changes are applied.
- Monitor for any missed schedule activations.
- Verify that the time settings are accurate.
- Test remote control commands for responsiveness.
- Check app integration for control access.
- Verify connectivity between devices.
- Update firmware if needed for better performance.
- Open battery compartment and inspect batteries.
- Use a multimeter to check voltage levels.
- Replace batteries with the correct type if low.
- Dispose of old batteries properly.
- Evaluate temperature settings against standards.
- Adjust settings based on seasonal needs.
- Consider user preferences for comfort.
- Document any recommended changes.
- Change the temperature setting by a few degrees.
- Observe how quickly the system reacts.
- Listen for fan and compressor activation.
- Note any delays or issues in response.
- Record all test results and observations.
- Include any adjustments made or parts replaced.
- Maintain a log for future maintenance checks.
- Share findings with relevant team members.
Use in Manifestly