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To install the unit at ground level: Place the unit on a pad the size of the unit or larger. The unit must be mounted level.
Review installation steps, clearances, ductwork, condensate line, filters, wiring, grounding, thermostat, and system checks.
To start the unit in cooling, set thermostat to COOL and below room temperature. Outdoor fan, compressor, and evaporator fan will operate.
To start in heating, set thermostat to HEAT and above room temperature. Place fan switch in AUTO or ON positions.
Control measures outdoor coil/ambient temp difference to determine defrost need. Unit enters cooling mode to defrost outdoor coil.
Measure sensor resistance at various temperatures to verify correct operation. Compare measured values to the provided chart.
Indicates fault conditions via flashing light on defrost control. Normal is one flash per second.
Checks normal operation indicators: LED flashing, 24V AC readings between terminals, and defrost initiation via FRC_DFT.
Lists common symptoms related to defrost control operation and their potential causes or checks.
Details further symptoms for defrost control, covering timing, fan operation, and compressor issues.