Important Safety Information
This XC2O outdoor air conditioner is designed for use with HFC-410A refrigerant only and must be installed with an approved indoor air handler or coil.
Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life. Installation and service must be performed by a licensed professional installer or service agency.
Installation Requirements
The unit must be installed with a minimum clearance of 30 inches on one side adjacent to the control box, 36 inches on another side, and 12 inches on one of the remaining two sides.
A clearance of 24 inches must be maintained between two units, and 48 inches clearance is required on top of the unit.
The unit must be installed level or with a slope tolerance of 2 degrees (or 2 inches per foot) away from the building structure.
Refrigerant Piping
The existing line set and indoor coil must be flushed per industry standards, and the system must be kept closed as much as possible to prevent moisture absorption.
Polyol ester (POE) oils are used in Lennox units charged with HFC-410A refrigerant, and residual mineral oil can act as an insulator, preventing proper heat transfer.
Manual:
Download: Lennox XC2O Elite Series Air Conditioner Installation Instructions
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