Preventative Maintenance
20 point Preventative Tune-up Procedures.
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Clean and check condensing coil
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Inspect heat exchanger
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Test operating pressures
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Test starting capabilities
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Test & adjust blower components
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Test & check safety controls
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Clean filters
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Clean condensate drain
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Test voltage of motors
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Test AMP draws on motors
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Lubricate necessary moving parts
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Calibrate thermostat
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Check for proper air flow
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Measure temperature difference
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Check expansion valve
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Clean evaporator coil, if accessible
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Test in heat cycle
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Test reversing valve operation
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Test safety controls
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Test defrost operation