Westinghouse WPAXH-060CA4 Service Manual page 95

WESTINGHOUSE PACKAGE A/C MANUAL R-410A : 220V: 60Hz
15.4 Ground Level -- Horizontal Units
For ground level installations, the unit should be positioned on a pad the size of the unit or larger. The unit
must be level on the pad. The pad must not come in contact with the structure. Be sure the outdoor portion of
the supply and return air ducts are as short as possible.
Installation according to the following procedure:
1) Place the unit on the pad.
2) Attach the supply and return air ducts to the unit.
3) Insulate any ductwork outside of the structure with at least 2 inches of insulation and weatherproof. There
must be a weatherproof seal where the duct enters the structure.
4) Complete the installation according to the instructions.
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