Lennox LNINVE052 Service Manual page 3

Service Manual
9. Maintenance
9.1 Precautions before Maintenance ......................................................................................... 50
9.2 Error Code List .................................................................................................................... 51
9.3 Troubleshooting for Main Malfunction ................................................................................. 62
9.4 Troubleshooting for Normal Malfunction .............................................................................. 75
10. Exploded View and Parts' List
10.1 Indoor Unit ......................................................................................................................... 77
10.2 Outdoor Unit ...................................................................................................................... 83
11. Removal Procedure
11.1 Removal Procedure of Indoor Unit .................................................................................... 87
11.2 Removal Procedure of Outdoor Unit ................................................................................. 97
Appendix:
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................... 109
Appendix 2: Configuration of Connection Pipe ........................................................................ 109
Appendix 3: Pipe Expanding Method ...................................................................................... 110
Appendix 4: List of Resistance for Ambient Temperature Sensor ............................................111
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