Maintenance Plan Cooling Checklist
21-point AC inspection
Check thermostat operation (proper calibration and batteries)
Replace 1” filter
Check air temperature differential between supply and return is within tolerance
Inspect disconnect
Inspect fuses and wiring
Tighten all electrical connections
Inspect and test contactors for burned, pitted contacts
Inspect and test relays and pressure controls
Check supply voltage and amperage to all motors
Inspect line set and connections for leaks
Inspect and clean condenser coil with hose if needed
Inspect ductwork for energy loss; sealing of system, plenums; take offs; duct wrap, etc
Flush drain line; check condensate pump is clear
Drain pan and evaporator coil surface clean
Monitor operating pressure of refrigerant
Inspect safety devices for proper operation
Test that refrigerant levels are within specs
Inspect and test capacitors
Inspect condenser fan blade
Inspect service valves for proper operation
Monitor compressor for proper amperage draw and wiring connections
**Please notate in your completion notes that you have completed the 21-point inspection checklist and list any recommendations that you suggest**
