A detailed AHU MONTHLY preventive maintenance checklist

1. Visual Inspection

Check the overall condition of the AHU.

Inspect for any signs of leaks in the ductwork.

Examine insulation for damage or wear.

Look for any unusual noises during operation.

Sure! Here are some additional steps that can be included in the "1. Visual Inspection" section of the AHU Monthly Preventive Maintenance Checklist

Inspect access panels for proper sealing and functionality

Check for any signs of corrosion or rust on metal components

Verify that all fasteners and mounting brackets are secure

Look for any debris or obstructions around the AHU and intake/exhaust areas

Examine the condition of the AHU housing for dents or structural damage

Inspect the condensate drain line for blockages or visible leaks

Assess the condition of gaskets and seals around doors and panels

Ensure that the area around the AHU is clean and free from combustible materials

Check for proper alignment of the fan and motor assemblies

Inspect for any signs of pest infestations or nesting materials

Verify that all labels and safety signs are legible and in place

2. Air Filters

Inspect air filters for dirt and debris.

Visually examine the surface for buildup.
Look for discoloration or unusual particles.
Ensure all accessible areas are checked.

Replace filters if they are clogged or dirty.

Remove the old filter carefully.
Install a new filter of the correct size.
Ensure the new filter is seated properly.

Check the filter housing for proper sealing.

Inspect gaskets and seals for wear.
Ensure there are no visible gaps.
Tighten any loose screws or fasteners.

Certainly! Here are some additional steps that could be included in the "Air Filters" section of your AHU monthly preventive maintenance checklist

2. Air Filters

Inspect air filters for dirt and debris

Visually examine the surface for buildup.
Look for discoloration or unusual particles.
Ensure all accessible areas are checked.

Replace filters if they are clogged or dirty

Remove the old filter carefully.
Install a new filter of the correct size.
Ensure the new filter is seated properly.

Check the filter housing for proper sealing

Inspect gaskets and seals for wear.
Ensure there are no visible gaps.
Tighten any loose screws or fasteners.

Verify the filter size and type to ensure compatibility with the system

Refer to system specifications for correct sizes.
Check filter labels for type and efficiency ratings.
Confirm compatibility before purchasing replacements.

Clean or vacuum the filter housing to remove any accumulated dust and debris

Use a vacuum with a brush attachment.
Wipe down surfaces with a damp cloth.
Ensure no debris falls into the system.

Inspect for any bypass air around the filter, which could indicate improper installation

Check for air leaks around the housing.
Listen for unusual sounds indicating airflow issues.
Reinstall filters if necessary to eliminate bypass.

Check the filter pressure drop using manometers or pressure gauges to assess filter condition

Connect gauges to the appropriate ports.
Record pressure readings before and after the filter.
Evaluate against standard pressure drop values.

Ensure that filters are installed in the correct orientation (i.e., airflow direction)

Check arrows on filters for airflow direction.
Confirm that filters are positioned correctly.
Reinstall if found incorrectly oriented.

Document the filter change date and any observations regarding filter condition

Record the change date in maintenance logs.
Note any unusual conditions observed during inspection.
Use this information for future reference.

Evaluate the frequency of filter changes based on system usage and environmental conditions for future maintenance planning

Analyze historical data on filter performance.
Consider environmental factors like dust levels.
Adjust maintenance schedule accordingly.

3. Fan and Blower

Inspect fan blades for dust accumulation.

Use a soft brush or vacuum to remove dust.
Check for any signs of damage or wear.
Ensure blades are balanced and free from obstructions.

Check for proper fan operation and airflow.

Listen for unusual sounds during operation.
Measure airflow using an anemometer.
Ensure no blockages are present in airflow paths.

Lubricate fan bearings as needed.

Use the recommended lubricant for the bearings.
Apply lubricant evenly to avoid excess buildup.
Check for any leaks or signs of over lubrication.

Ensure that fan belts are in good condition and properly tensioned.

Inspect for cracks, fraying, or wear on belts.
Check tension using a belt tension gauge.
Adjust tension to manufacturer's specifications.

Here are some additional steps that could be included in the "3. Fan and Blower" section of the AHU Monthly Preventive Maintenance Checklist

Inspect the fan housing for any signs of corrosion or damage

Look for rust, dents, or cracks in the housing.
Clean any corrosion and apply protective coating.
Ensure all mounting points are secure.

Check for unusual vibrations or noises during operation

Listen for grinding, rattling, or other abnormal sounds.
Use a vibration meter to detect excessive vibrations.
Identify and address any misalignment issues.

Verify that the fan motor is operating at the correct voltage and amperage

Use a multimeter to check voltage and amperage.
Compare readings to motor specifications.
Investigate any discrepancies immediately.

Clean or replace the fan intake and discharge grilles to ensure unobstructed airflow

Remove and clean grilles with mild detergent.
Inspect for damage and replace if necessary.
Reinstall grilles securely after cleaning.

Inspect and clean the fan motor and electrical connections to prevent overheating

Disconnect power before inspection.
Use a soft cloth to clean motor surfaces.
Check for loose or corroded electrical connections.

Assess the alignment of the fan and motor for proper installation

Use a laser alignment tool for accuracy.
Adjust positioning as needed to ensure proper alignment.
Recheck alignment after adjustments.

Check the fan speed settings and adjust if necessary for optimal performance

Review current speed settings against operational requirements.
Adjust settings using the control panel if needed.
Monitor performance after adjustments.

Inspect and clean the fan’s scroll or plenum for debris buildup

Remove any debris using a vacuum or brush.
Check for signs of wear or damage.
Ensure all surfaces are clean for optimal airflow.

Test the operation of any safety switches associated with the fan

Activate and deactivate the safety switches.
Ensure switches respond correctly during testing.
Replace any faulty switches immediately.

Document any findings and corrective actions taken during the inspection

Record all observations in the maintenance log.
Include details of any repairs or replacements.
Ensure documentation is clear and accessible.

4. Coils

Inspect cooling and heating coils for cleanliness.

Visually check coils for dirt, dust, or debris.
Use a flashlight for better visibility.
Pay special attention to areas with poor airflow.
Document any areas needing cleaning.

Clean coils if necessary using appropriate cleaning agents.

Select a cleaning agent suitable for coil materials.
Apply the agent evenly across coil surfaces.
Use soft brushes or cloths to scrub away grime.
Rinse coils thoroughly with clean water.

Check for signs of corrosion or damage on coil surfaces.

Look for rust, flaking paint, or discoloration.
Inspect for physical dents or structural damage.
Document any findings for further action.
Consult manufacturer guidelines for repair or replacement.

Here are some additional steps that could be included in the "Coils" section of a detailed AHU monthly preventive maintenance checklist

4. Coils

Inspect cooling and heating coils for cleanliness

Visually check coils for dirt, dust, or debris.
Use a flashlight for better visibility.
Pay special attention to areas with poor airflow.
Document any areas needing cleaning.

Clean coils if necessary using appropriate cleaning agents

Select a cleaning agent suitable for coil materials.
Apply the agent evenly across coil surfaces.
Use soft brushes or cloths to scrub away grime.
Rinse coils thoroughly with clean water.

Check for signs of corrosion or damage on coil surfaces

Look for rust, flaking paint, or discoloration.
Inspect for physical dents or structural damage.
Document any findings for further action.
Consult manufacturer guidelines for repair or replacement.

Verify proper water flow to the coils and ensure no blockages in piping

Check water pressure and flow rate at inlet.
Inspect piping for leaks or visible blockages.
Ensure valves are fully open and functioning.
Test flow with a flow meter if necessary.

Inspect and clean drain pans beneath the coils to prevent water buildup

Remove any debris or standing water in the pan.
Check for leaks or rust on the pan.
Use a wet/dry vacuum for thorough cleaning.
Ensure proper drainage slope is maintained.

Check for proper insulation on the coil piping to minimize energy loss

Inspect insulation for wear, tears, or moisture.
Replace any damaged insulation immediately.
Ensure insulation is securely fitted and sealed.
Consider upgrading insulation for efficiency.

Measure temperature differential across the coils to ensure they are functioning efficiently

Use a thermometer to measure inlet and outlet temperatures.
Calculate the temperature differential.
Compare results to manufacturer specifications.
Investigate any significant discrepancies.

Inspect coil fins for straightness and integrity; straighten any bent fins as necessary

Examine fins for bends, breaks, or blockages.
Use a fin comb or similar tool to straighten bent fins.
Ensure fins are evenly spaced and not obstructing airflow.
Document any damaged fins for replacement.

Ensure that coil drain lines are clear and free of obstructions

Inspect drain lines visually for blockages.
Use a flexible brush or hose to clear any debris.
Check for proper slope in drain lines.
Test drainage by pouring water through the line.

Monitor for any unusual noises when the system is operating, indicating potential coil issues

Listen for hissing, banging, or rattling sounds.
Identify the source of any unusual noises.
Document findings for follow-up investigations.
Consult maintenance team if issues persist.

5. Drain Pans and Traps

Inspect drain pans for standing water or clogs.

Look for any visible water accumulation.
Check for debris or foreign objects.
Assess drainage paths for any blockages.
Ensure the surrounding area is clean and accessible.

Clean drain pans to prevent algae growth.

Use a non-corrosive cleaner suitable for metal.
Scrub surfaces to remove any residue or buildup.
Rinse thoroughly with clean water.
Wipe dry to prevent new growth.

Check drain traps for blockages and ensure proper drainage.

Inspect the trap for any visible blockages.
Flush with water to check flow.
Remove any debris or buildup in the trap.
Confirm that the outlet is clear.

Certainly! Here are some additional steps you could include in the "Drain Pans and Traps" section of the AHU monthly preventive maintenance checklist

### 5. Drain Pans and Traps

Inspect drain pans for standing water or clogs

Look for any visible water accumulation.
Check for debris or foreign objects.
Assess drainage paths for any blockages.
Ensure the surrounding area is clean and accessible.

Clean drain pans to prevent algae growth

Use a non-corrosive cleaner suitable for metal.
Scrub surfaces to remove any residue or buildup.
Rinse thoroughly with clean water.
Wipe dry to prevent new growth.

Check drain traps for blockages and ensure proper drainage

Inspect the trap for any visible blockages.
Flush with water to check flow.
Remove any debris or buildup in the trap.
Confirm that the outlet is clear.

Inspect the integrity of drain pan materials for signs of corrosion or damage

Look for rust, holes, or cracks.
Feel for any soft spots indicating weakness.
Check the seams and joints for leaks.
Document any areas needing repair.

Verify that drain pan slopes are adequate for proper water flow towards the drain outlet

Use a level to assess slope.
Check that water flows towards the outlet.
Adjust slope if necessary to ensure drainage.
Document any adjustments made.

Ensure that all drain lines are securely connected and free from leaks

Inspect connections for tightness.
Look for any signs of dripping or moisture.
Check seals and gaskets for wear.
Tighten or replace any loose fittings.

Test the functionality of the float switch (if applicable) to prevent overflow

Operate the float manually to check response.
Listen for the activation of the pump.
Inspect wiring and connections for damage.
Document the test results.

Assess the insulation on drain lines to prevent condensation and potential leaks

Inspect insulation for wear, tears, or dampness.
Replace any damaged insulation promptly.
Ensure insulation is fitted snugly around pipes.
Check for cold spots indicating poor insulation.

Document any findings or maintenance actions taken for future reference

Record all observations during inspection.
Include details of cleaning or repairs performed.
Note any parts replaced or adjusted.
File documentation in maintenance records.

Schedule any necessary repairs or replacements based on inspection findings

Prioritize repairs based on severity.
Coordinate with maintenance personnel or contractors.
Set timelines for completion of repairs.
Ensure follow-up inspections are scheduled.

6. Ductwork

Inspect ductwork for any blockages or damage.

Visually examine all sections of ductwork.
Look for any visible obstructions.
Check for dents, bends, or corrosion.
Use a flashlight for better visibility.
Document any issues for follow-up.

Check for loose connections and seals.

Inspect all duct joints and connections.
Tighten any loose screws or bolts.
Check gaskets and seals for integrity.
Replace any damaged or missing seals.
Ensure connections are airtight.

Ensure that all dampers are functioning correctly.

Manually test each damper for movement.
Check for any obstructions preventing operation.
Ensure dampers open and close smoothly.
Adjust actuators if necessary.
Document any faulty dampers for repair.

Here are some additional steps that could be included in the Ductwork section of the AHU Monthly Preventive Maintenance Checklist

6. Ductwork

Inspect ductwork for any blockages or damage

Visually examine all sections of ductwork.
Look for any visible obstructions.
Check for dents, bends, or corrosion.
Use a flashlight for better visibility.
Document any issues for follow-up.

Check for loose connections and seals

Inspect all duct joints and connections.
Tighten any loose screws or bolts.
Check gaskets and seals for integrity.
Replace any damaged or missing seals.
Ensure connections are airtight.

Ensure that all dampers are functioning correctly

Manually test each damper for movement.
Check for any obstructions preventing operation.
Ensure dampers open and close smoothly.
Adjust actuators if necessary.
Document any faulty dampers for repair.

Inspect insulation on ductwork for wear and damage

Examine insulation for tears or wear.
Check for moisture damage or mold.
Replace damaged insulation as needed.
Ensure insulation is securely attached.
Evaluate insulation thickness for effectiveness.

Check for signs of airflow leaks and repair as necessary

Conduct a visual inspection for leaks.
Use smoke or incense to detect airflow.
Seal any identified leaks with appropriate materials.
Recheck airflow after repairs.
Document repairs and their locations.

Ensure that duct supports and hangers are secure and in good condition

Inspect all supports and hangers visually.
Check for rust, corrosion, or damage.
Tighten any loose supports or hangers.
Replace any damaged supports as necessary.
Ensure proper alignment and support for ducts.

Clean duct surfaces to remove dust and debris accumulation

Use a vacuum or brush to clean surfaces.
Focus on areas with visible dust buildup.
Ensure access to all duct sections.
Wipe down surfaces with a damp cloth if needed.
Dispose of debris properly.

Verify that duct sizes and configurations match design specifications

Review design documents for duct specifications.
Measure duct dimensions at various points.
Compare actual sizes to specifications.
Document any discrepancies for correction.
Assess impact on airflow if mismatches are found.

Assess the need for duct cleaning based on airflow measurements and visual inspection

Use an anemometer to measure airflow.
Compare measurements against expected values.
Look for excessive dust buildup visually.
Determine if cleaning is necessary.
Schedule cleaning if airflow is insufficient.

Check for any signs of microbial growth or mold in the duct system

Inspect for discoloration or stains in ducts.
Smell for musty odors indicating mold.
Take samples for laboratory analysis if needed.
Document findings and clean as necessary.
Follow safety protocols when handling mold.

Inspect and clean access points to the ductwork for maintenance purposes

Check all access panels for damage.
Ensure they open and close properly.
Clean around access points to remove debris.
Document any issues with access points.
Ensure access points are sealed after maintenance.

Review system performance in relation to duct design to identify any potential efficiency issues

Compare actual system performance to design specs.
Analyze data for airflow rates and pressure drops.
Identify any areas of inefficiency.
Document findings and recommend improvements.
Schedule follow-up assessments as needed.

7. Electrical Components

Inspect wiring and electrical connections for wear.

Examine insulation for cracks or fraying.
Look for signs of overheating.
Check for corrosion at connection points.
Ensure all connections are tight and secure.

Check the operation of all electrical controls and sensors.

Test each control switch for response.
Verify sensor readings against expected values.
Calibrate sensors as needed.
Replace any faulty controls or sensors.

Verify that circuit breakers are functioning properly.

Test each circuit breaker by toggling.
Check for any tripped breakers.
Inspect for signs of wear or damage.
Ensure breakers are properly labeled.

Here are some additional steps that could be included in the "7. Electrical Components" section of the AHU Monthly Preventive Maintenance Checklist

Inspect all relays and contactors for proper operation and signs of wear

Listen for clicking sounds during operation.
Check for overheating or discoloration.
Test functionality with a multimeter.
Replace any worn or malfunctioning components.

Measure voltage and current at key electrical components to ensure they are within operating specifications

Use a multimeter to measure voltage.
Monitor current draw on each component.
Compare readings to manufacturer specifications.
Document any discrepancies for follow-up.

Test emergency stop buttons to ensure they function correctly

Press each button to verify operation.
Check for immediate system shutdown.
Inspect the button for physical damage.
Ensure reset function works after testing.

Check for loose connections at terminals and junction boxes

Inspect all terminal screws for tightness.
Look for loose wires or exposed ends.
Tighten any loose connections.
Document any issues for further action.

Inspect fuses for integrity and replace any that are blown or showing signs of damage

Check fuses visually for burn marks.
Test fuses with a multimeter.
Replace any blown fuses with the correct type.
Document fuse replacements for records.

Ensure that all electrical panels are clean and free from dust and debris

Use a soft brush to remove dust.
Wipe surfaces with a dry cloth.
Check for any signs of moisture.
Ensure proper airflow around panels.

Confirm that grounding connections are secure and functioning properly

Inspect ground wires for corrosion.
Check tightness of grounding bolts.
Test ground continuity with a multimeter.
Document grounding status.

Test the operation of variable frequency drives (VFDs) if applicable

Check VFD display for error codes.
Monitor the output frequency and voltage.
Inspect connections for wear.
Verify settings against operational requirements.

Check the condition of power supply cables for insulation damage or overheating

Inspect cables for visible damage.
Check for overheating by touch.
Look for signs of wear at bends.
Replace damaged cables as needed.

Ensure that all indicator lights and displays are functioning correctly

Test each indicator light for operation.
Check display readings for accuracy.
Replace any malfunctioning lights or displays.
Document any replacements.

Monitor the performance of the control system for any unusual readings or errors

Review control system logs for anomalies.
Compare performance against baseline data.
Investigate any unusual readings.
Document findings and corrective actions.

8. Controls and Sensors

Test the operation of temperature and humidity sensors.

Use calibrated reference devices for accuracy.
Compare readings against set benchmarks.
Check for consistent response to environmental changes.
Record any discrepancies in sensor readings.
Replace sensors that fail to meet operational standards.

Ensure that the control system is responding correctly to set points.

Set various target temperatures and humidity levels.
Monitor system adjustments in real-time.
Verify that actual conditions align with set points.
Document any inconsistencies for further analysis.
Adjust settings if control responses are inadequate.

Calibrate sensors if necessary.

Follow manufacturer guidelines for calibration procedures.
Use precision calibration tools for accuracy.
Adjust sensor outputs to align with reference standards.
Log calibration dates and results for future reference.
Replace any sensors that cannot be calibrated.

Certainly! Here are some additional steps that could be included in the "Controls and Sensors" section of your AHU monthly preventive maintenance checklist

### 8. Controls and Sensors

Test the operation of temperature and humidity sensors

Use calibrated reference devices for accuracy.
Compare readings against set benchmarks.
Check for consistent response to environmental changes.
Record any discrepancies in sensor readings.
Replace sensors that fail to meet operational standards.

Ensure that the control system is responding correctly to set points

Set various target temperatures and humidity levels.
Monitor system adjustments in real-time.
Verify that actual conditions align with set points.
Document any inconsistencies for further analysis.
Adjust settings if control responses are inadequate.

Calibrate sensors if necessary

Follow manufacturer guidelines for calibration procedures.
Use precision calibration tools for accuracy.
Adjust sensor outputs to align with reference standards.
Log calibration dates and results for future reference.
Replace any sensors that cannot be calibrated.

Check for proper communication between the control system and the building management system (BMS)

Verify connectivity using diagnostic tools.
Monitor data transfer rates and integrity.
Check for any latency or communication errors.
Test remote access functionality if available.
Document any communication issues for troubleshooting.

Inspect wiring and connections for signs of wear, damage, or corrosion

Visual inspection for frayed wires or exposed conductors.
Check connections for tightness and corrosion.
Use a multimeter to test continuity.
Replace any damaged wiring immediately.
Ensure all wires are secured and properly insulated.

Verify that all control relays and contactors are functioning properly

Test each relay and contactor using manual overrides.
Listen for audible clicks indicating operation.
Check for overheating or unusual wear.
Replace any faulty components promptly.
Document any replacements or repairs made.

Review and update control sequences based on any changes in system operation or building usage

Assess current operational needs and usage patterns.
Adjust control sequences to optimize efficiency.
Incorporate feedback from system performance monitoring.
Test new sequences for effectiveness post-update.
Document all changes for future reference.

Test emergency shut-off functions to ensure they are operational

Simulate emergency conditions to test response.
Verify that shut-off activates all necessary systems.
Check for alarms or notifications during tests.
Document test results and any issues identified.
Repair any malfunctioning shut-off mechanisms immediately.

Check for any fault or error codes in the control system and address them promptly

Access the control panel to retrieve error codes.
Refer to the manufacturer's documentation for troubleshooting.
Resolve issues based on severity and impact.
Clear error codes after resolution for system reset.
Log all faults and resolutions for tracking.

Ensure that backup power systems for controls are functioning correctly

Test backup systems under load conditions.
Check battery health and charge levels.
Verify automatic switch-over functionality.
Document test results and any maintenance performed.
Replace batteries or components as necessary.

Confirm that all software related to the control system is up to date

Check for available software updates from the manufacturer.
Backup current configurations before updates.
Install updates and monitor for issues post-installation.
Document all updates and configurations applied.
Schedule regular reviews of software status.

Document any adjustments made to sensor calibrations or control settings

Record date, time, and nature of adjustments.
Include specifics on calibration methods used.
Store documentation in an accessible format.
Review documentation during future maintenance checks.
Ensure all personnel are informed of changes.

Feel free to customize or expand on these steps based on the specific requirements of your AHU system and organizational protocols!

9. Safety Features

Inspect safety switches and alarms for proper operation.

Verify that all safety switches are operational.
Test alarms to ensure they activate correctly.
Check wiring and connections for any damage.
Document any faults and schedule repairs.

Ensure that emergency shut-off systems are functional.

Test shut-off systems to confirm they engage properly.
Inspect all components for wear or damage.
Verify the signage is visible and accurate.
Document findings and corrective actions.

Check for proper labeling and signage near the AHU.

Inspect all labels for clarity and visibility.
Ensure that emergency instructions are up to date.
Replace any faded or damaged signage.
Confirm compliance with safety regulations.

Here are some additional steps that could be included in the Safety Features section of the AHU monthly preventive maintenance checklist

9. Safety Features

Inspect safety switches and alarms for proper operation

Verify that all safety switches are operational.
Test alarms to ensure they activate correctly.
Check wiring and connections for any damage.
Document any faults and schedule repairs.

Ensure that emergency shut-off systems are functional

Test shut-off systems to confirm they engage properly.
Inspect all components for wear or damage.
Verify the signage is visible and accurate.
Document findings and corrective actions.

Check for proper labeling and signage near the AHU

Inspect all labels for clarity and visibility.
Ensure that emergency instructions are up to date.
Replace any faded or damaged signage.
Confirm compliance with safety regulations.

Verify that all access panels and doors are secure and close properly

Check all access points for proper sealing.
Test hinges and locks for functionality.
Ensure panels close securely to maintain safety.
Document any issues for maintenance follow-up.

Test fire and smoke detection systems in conjunction with AHU operation

Activate detection systems while monitoring AHU performance.
Check for timely alerts and system response.
Inspect sensors for dust or obstruction.
Document test results and any necessary maintenance.

Ensure that all safety interlocks are operational and not bypassed

Test each interlock to confirm engagement.
Inspect for signs of tampering or bypass.
Verify that interlocks are functioning as designed.
Log any discrepancies and plan for repairs.

Inspect and test emergency power supply systems, if applicable

Check battery condition and charge levels.
Test the operation of the emergency power system.
Inspect connections for corrosion or damage.
Document findings and schedule maintenance if needed.

Evaluate the condition and accessibility of fire extinguishers near the AHU

Inspect extinguishers for pressure and damage.
Ensure they are easily accessible and properly mounted.
Check for current inspection tags.
Replace or service extinguishers as necessary.

Check for any potential hazards in the vicinity of the AHU, such as obstructions or flammable materials

Scan the area for obstructions that impede access.
Identify any flammable materials nearby.
Remove hazards or secure them appropriately.
Document potential risks and mitigation measures.

Review and confirm that all safety procedures are up to date and accessible for personnel

Verify that safety protocols are current and relevant.
Ensure procedures are easily accessible to staff.
Update documents to reflect any regulatory changes.
Conduct briefings to inform staff of updates.

Conduct a training review for maintenance staff on safety protocols related to the AHU

Schedule training sessions for staff on safety protocols.
Review emergency procedures and response actions.
Assess staff understanding through quizzes or discussions.
Document attendance and feedback for future training.

Inspect electrical enclosures for proper grounding and protection against moisture or dust ingress

Check grounding connections for integrity.
Inspect enclosures for signs of moisture or dust.
Ensure seals are intact to prevent ingress.
Document any issues for immediate attention.

10. Documentation and Reporting

Record all findings and maintenance performed.

Update maintenance logs and schedules.

Report any issues that require further attention to management.

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AI Checklist Generator

A detailed AHU MONTHLY preventive maintenance checklist

1. Visual Inspection

2. Air Filters

3. Fan and Blower

4. Coils

5. Drain Pans and Traps

6. Ductwork

7. Electrical Components

8. Controls and Sensors

9. Safety Features

10. Documentation and Reporting

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