A detailed Fan Coil Unit QUARTERLY preventive maintenance checklists
General Preparation
Visual Inspection
Air Filter Maintenance
Coil Cleaning
Drainage System Check
Fan and Motor Maintenance
Electrical Components Inspection
Thermostat and Control System Check
- Adjust the temperature setting on the thermostat.
- Observe the system's response to the adjustment.
- Confirm that the fan coil unit activates and deactivates correctly.
- Check for consistent temperature output from the unit.
- Use a calibrated temperature measuring device.
- Compare the thermostat reading with the measured temperature.
- Adjust the calibration settings on the thermostat as needed.
- Verify that the calibration adjustment holds after several cycles.
- Examine all visible wiring for signs of wear or damage.
- Ensure all connections are secure and free from corrosion.
- Look for any loose or frayed wires.
- Check for proper insulation on all wiring.
- Check the power source and ensure it is connected.
- Use a multimeter to verify voltage at the thermostat.
- Inspect any fuses or breakers related to the thermostat.
- Ensure that the power supply matches the thermostat specifications.
- Open the battery compartment of the thermostat.
- Remove old batteries and dispose of them properly.
- Insert new batteries, ensuring correct polarity.
- Test the thermostat to confirm it powers on.
- Check for cracks or breaks in the thermostat casing.
- Inspect buttons and display for functionality.
- Ensure no foreign objects are obstructing the thermostat.
- Look for signs of moisture or corrosion.
- Use a level tool to check the thermostat's alignment.
- Adjust mounting as necessary to ensure it is level.
- Tighten screws or fasteners to secure the thermostat.
- Recheck levelness after adjustments.
- Set the thermostat to a cooling or heating mode.
- Observe the fan coil unit for an appropriate response.
- Listen for any unusual sounds during operation.
- Check for error messages on the thermostat display.
- Access the programming mode of the thermostat.
- Review current schedules and settings.
- Adjust settings based on expected occupancy patterns.
- Save changes and confirm they are active.
- Increase and decrease the temperature set point.
- Monitor the time taken for the system to respond.
- Check for consistent operation following adjustments.
- Document any delays or irregularities.
- Check that remote sensors are correctly placed.
- Test each sensor for accurate temperature readings.
- Ensure communication between sensors and the main thermostat.
- Replace any non-functioning sensors as needed.
- Turn off the thermostat before cleaning.
- Use a soft cloth to wipe the thermostat face.
- Remove dust and debris from the surrounding area.
- Avoid using harsh chemicals or abrasive materials.
- Keep a detailed log of all findings.
- Note any repairs completed and parts replaced.
- Include dates and technician names in documentation.
- Store documents in a designated maintenance file.
Use in Manifestly