Lennox Mini-Split Service Manual / Page 107
Condensate Drainage Requirement
Condensate formed during the heating and defrost processes must be drained from heat pump units. Drain
holes are provided in the base of the units to ensure proper drainage. Heat pumps must be raised when
installed on a concrete pad or the ground to allow drainage to occur. If the heat pump unit is installed on wall
mounting brackets, insert the provided drain connector into one of the 1 inch (25 mm) drain holes and attached
a fi eld-provided insulated drain hose to the connector. Use fi eld-provided rubber plugs to cover any unused
drain holes.
Drain
Connector
Chassis
Condensate Drain
(location varies per model)
Condensate Piping Requirements - Outdoor Unit
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