Annual AHU Cooling Preventative Maintenance Inspection
This procedure is used to maintain AHU, this helps improve energy efficiency, air quality, lifespan and reduce risk of breakdowns and costly repairs.
Quest Diagnostics Atlanta
01/22/2025
Annual AHU Cooling Preventative Maintenance Inspection
This procedure is used to maintain AHU, this helps improve energy efficiency, air quality, lifespan and reduce risk of breakdowns and costly repairs.
Quarterly Air Handler Maintenance for AHU-01
Enter the date and time of the maintenance
Shut unit down and perform safe LOTO
Check and tighten all electrical connections
Check condition of control contacts for wear, pitting, and erosion
Check all operating/safety controls
Check and clean condensate drain pan and lines
Check condensate pump if applicable
Check chilled water coil/ clean surface per contract where applicable
Check valves/ actuators where applicable
Check dampers/ linkages
Check damper actuators
Check economizer operation
Check filters and replace per contract
Check belts and replace per contract
Check blower wheels/ clean surface
Check sheaves wear/ alignment
Check and lubricate vanes, linkages, bearings, etc.
Check and verify volts/ amps of blower motor
Check for any unusual noises/ vibrations
Check and verify cabinetry hardware conditions
Check overall condition of unit
Record the volts/ amps of supply blower motor
Record the volts/ amps of return blower motor
Record the supply and return air temperatures
Record the static pressure across filters and coils
Technician's signature upon completion
Click here to sign
Source: Quest Diagnostics Atlanta (Community Member)