how many wire thermostat cable does this use? What size is the discharge?

The ACIQ-30-AH-E-32B air handler used in this system typically requires an 18-gauge, 5-wire to 8-wire thermostat cable (with a 5-wire cable covering basic heat pump heating and cooling operation, and 6 to 8 wires recommended when installing optional electric auxiliary heat). The unit features a top supply air discharge opening measuring 19.5 inches wide by 19.5 inches deep on a cabinet that stands 21 inches wide, 21 inches deep, and 49 inches high.

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