Maintenance Plan Cooling Checklist

21-point AC inspection

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Check thermostat operation (proper calibration and batteries)

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Replace 1” filter

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Check air temperature differential between supply and return is within tolerance

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Inspect disconnect

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Inspect fuses and wiring

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Tighten all electrical connections

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Inspect and test contactors for burned, pitted contacts

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Inspect and test relays and pressure controls

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Check supply voltage and amperage to all motors

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Inspect line set and connections for leaks

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Inspect and clean condenser coil with hose if needed

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Inspect ductwork for energy loss; sealing of system, plenums; take offs; duct wrap, etc

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Flush drain line; check condensate pump is clear

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Drain pan and evaporator coil surface clean

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Monitor operating pressure of refrigerant

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Inspect safety devices for proper operation

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Test that refrigerant levels are within specs

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Inspect and test capacitors

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Inspect condenser fan blade

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Inspect service valves for proper operation

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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**

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