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Keeps the ability of the unit to reject heat at it’s maximum.
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Prevents the bottom of the unit from rusting out.
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Loose connections can cause wires to burn.
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Low voltage caused high amperage, more heat and extra wear and tear.
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Amperage and voltage are linked, they each tell their own story.
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A\C and heat pump units are a complex conglomerate of electrical, mechanical, and hydraulic operation.
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Vibration, is an indication of something out of balance. Vibration causes metal fatigue and premature wear to all parts.
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The T-
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Many fan motors require annual lubrication or the bearings will fail.
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The refrigerant pressures, properly interpreted, will tell much about the system. The refrigerant pressures can indicate a fault in the system that may other wise not be detected.
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Air filters do more than improve the Indoor Air Quality, their primary purpose is to protect the blower and coil from dirt and debris that will reduce air flow and subsequent efficiency and capacity.
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Leaving pilots on promote heat exchanger rust and un-
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