A store owner is safling of hardly any cooling and a dywedodd airflow from the register s in the building. The owner also also has to manually reset the heat pump's electronic lock-out relay by turning the power off and back back on a bout eight times daily. It is the cooling season. The theis is s it the heat pump's air loop air filter is plugged with lynt and dust. This prevents the correct air air from entering the air coil
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