Airco Service 26 Point Check-Up

1. Check refrigerant pressures in the covered system.
2. Calculate subcooling in the system.
3. Calculate superheat in the system.
4. If the system is undercharged complete visual inspection for a refrigerant leak, identifying oil markings.
5. Lubricate bearings on blower shafts
6. Check motor and blower pulleys for wear.
7. If the motor has grease cert, add grease to bearings.
8. If the motor has an oil port, oil motor bearings.
9. Ensure bearings have no side to side play and smooth rotation.
10. Check belts for wear, cracks or fraying. Align belts and pulleys as needed along with tension belts.
11. Measure motor amperages on compressor, condenser fan motor and blower motor.
12. Verify proper CFM settings on variable speed blower motors and condenser fan motors.
13. Check compressor terminals and electrical connections and tighten connections if needed.
14. Check contactor contacts for pitting or signs of overheating.
15. Inspect disconnect box for damage or signs of overheating.
16. Check expansion valves and bulbs.
17. Measure evaporator temperature drop: make adjustments for optimal cooling performance.
18. Clear condensate drains secure drain lines and verify proper termination point.
19. Identify safety concerns and safety shut off options for condensate drains.
20. Check and verify operation of safety circuits for condensate and compressor.
21. Measure capacitance and voltage of capacitors.
22. Washing condensing coil
23. Check air filters. Wash permanent filters.
24. Check thermostat settings, temperature display and programming.
25. Cycle equipment at the thermostat.
26. Check overall operation and make adjustments necessary for the maximum efficiency of air conditioning equipment.

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