This service manual covers the Fujitsu AUYA/AOYA LALN/LACL series of air conditioners, including models AUYA12LALN, AUYA14LALN, AUYA18LALN, AUYA24LALN, AOYA12LACL, AOYA14LACL, AOYA18LACL, and AOYA24LACL. These units are designed for efficient cooling and heating, featuring rotary compressors and operating on 208-230V, 60Hz power. With cooling capacities ranging from 12,000 to 24,000 BTU/hr and SEER ratings between 16 and 18, they offer robust performance and energy efficiency. The air conditioners utilize R410A refrigerant and support multiple operation modes, including Cooling, Heating, Fan, and Dehumidification.

This comprehensive service manual provides essential information for the maintenance, repair, and troubleshooting of your Fujitsu air conditioner. It details recommended cleaning intervals for filters and coils, outlines refrigerant charging procedures, and lists common error codes. Technical specifications, including energy efficiency ratings and operational parameters, are also included. This manual is an indispensable resource for owners, technicians, and service professionals seeking to ensure the optimal performance and longevity of their Fujitsu AUYA/AOYA LALN/LACL series air conditioning systems.