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Category: Lennox XC25

Lennox XC25

Lennox XC25 – Liquid Line Filter Drier

Posted on August 7, 2022 by Jack

A filter drier designed for all XC25 series model units is factory-installed in the liquid line. The filter drier is designed to remove moisture and…

Lennox XC25

Lennox XC25 – Compressor Sound Cover

Posted on August 7, 2022 by Jack

All units come with a soft-sided polyethylene molded outer shell compressor sound cover. The cover helps reduce any un­wanted operating sounds from the compressor. The…

Lennox XC25

Lennox XC25 – Crankcase Heater, Checkout and Status / Error Codes

Posted on August 7, 2022 by Jack

OPERATION: CRANKCASE HEATER (HR1) Compressors in all units are equipped with a 40 or 70 watt (depending on unit size) belly-band type crankcase heater. The…

Lennox XC25

Lennox XC25 – Compressor Operation, Checkout and Status / Error Codes

Posted on August 7, 2022 by Jack

OPERATION: The compressor is a 380VAC three-phase variable-capacity scroll compressor that is approved for use with HFC­410A refri­gerant. The compressor, when connected to an inverter,…

Lennox XC25

Lennox XC25 – High and Low Pressure Switch Errors

Posted on August 6, 2022 by Jack
Lennox XC25

Lennox XC25 – Component Testing

Posted on August 6, 2022 by Jack

 

Lennox XC25

Lennox XC25 – Unit Sequence of Operation

Posted on August 6, 2022 by Jack

The following figures illustrate the overall unit sequence of operation along with the operation of various pressure switches and temperature sensors. The figures also illustrate…

Lennox XC25

Lennox XC25 – Factory Wiring Diagrams

Posted on August 6, 2022 by Jack

 

Lennox XC25

Lennox XC25 – Unit Wiring Diagrams

Posted on August 6, 2022 by Jack

The following wiring diagrams were used during various stages of unit production. Service technician will need to visually inspect the unit being serviced to determine…

Lennox XC25

Lennox XC25 – Maintenance

Posted on August 5, 2022 by Jack

Outdoor Unit Maintenance and service must be performed by a qualified installer or service agency. At the beginning of each cooling season, the system should…

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