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Lennox M22A, User Manual

The Lennox M22A is a powerful and reliable air conditioning unit designed to keep your home cool and comfortable. Ensure optimal performance by downloading the User Manual for free from our website. This comprehensive manual will guide you through installation, operation, and maintenance of your Lennox M22A.

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Summary of Contents for M22A

Page 1: ...check condition of stand occasionally to ensure that it remains stable Do NOT install sprinklers or soaker hoses where they can expose the outdoor unit to treated water Prolonged exposure to treated...

Page 2: ...R DIFFUSER LOUVER ADJUSTMENT LEVER Ceiling or Floor Mounted Non Ducted Unit DISCHARGE AIR LOUVER AIR FILTER RETURN AIR DISCHARGE AIR LOUVER AIR FILTER Open front cover RETURN AIR Filter CONTROL BOX DI...

Page 3: ...ler or the wireless remote control to set the position of the discharge air louvers The louvers may be set to automatically swing between the outward and downward positions OR you may set the louvers...

Page 4: ...ssettes Simultaneously press two latch relese buttons M33A or M33B or slide grille release latches toward the middle as shown M22A Figure 5 Typical Filter Removal and Cleaning Preparing Unit for Prolo...

Page 5: ...door coil reaches a pre set temperature This prevents the delivery of cold air into the space and is nor mal Indoor fan is on compressor is off In certain normal operating modes the indoor fan is on w...

Page 6: ...ean indoor and or outdoor coil Clean or replace air filter Remove obstructions Close doors and windows Use curtains or blinds to block direct sunlight Reduce burden of heat source Check for refrigeran...

Page 7: ...t overload sensed F1 Outdoor ambient temperature sensor error F2 Outdoor coil temperature sensor error F3 Compressor discharge temperature sensor error F4 Outdoor unit EEPROM error F5 Outdoor unit fan...

Page 8: ...8...

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