The Lennox 13hpd heat pump is considered an economical residential split-system heat pump in the company’s Merit series. Rated at 13 SEER and 7.7 HSPF, the 13hpd has earned the Good Housekeeping Seal and the Energy Star label, provided matching coil components are used as part of the split-system heat pump Energy Star criteria. This heat pump employs a high efficiency Copeland scroll compressor to help control air temperature, and the unit’s dual-fuel capacity allows the unit to be coupled with a gas furnace for increased energy savings. These components, along with the outdoor coil, ensure reliable heat transfer with low air resistance. The 13hpd heat pump is manufactured with a durable direct drive outdoor fan with a PSC fan motor for quiet operation.
The coil guard is constructed with steel wire intended to further increase its durability. Also, the heavy-gauge galvanized steel construction of the cabinet provides resistance to corrosion.
Diagnostics for the 13hpd heat pump’s defrost system use two LEDS located on the defrost board. These LEDs flash specific sequences indicating the problem for the service technician.
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