© Panasonic Corporation 2018.Order No: PAPAMY1805082CEIndoor UnitCS-MZ20UB4EADestinationEuropeTurkeyPlease file and use this manual together with the service manual for Model No. CU-2E12SBE, CU-2E15SBE, CU-2E18SBE,CU-3E23SBE, CU-3E18PBE, CU-4E23PBE, CU-4E27PBE, CU-5E34PBE, CU-2Z35TBE, CU-2Z41TBE, CU-2Z50TBE,CU-3Z52TBE, CU-3Z68TBE, CU-4Z68TBE, CU-4Z80TBE, CU-5Z90TBE, Order No. PAPAMY1601015CE, PAPAMY1301048CE,PAPAMY1303046CE, PAPAMY1702035CE, PAPAMY1703049CE, PAPAMY1710082CE.WARNINGThis service information is designed for experienced repair technicians only and is not designed for use by the general public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to serviceor repair the products dealt with in this service information by anyone else could result in serious injury or death.PRECAUTION OF LOW TEMPERATUREIn order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.CAUTIONR32 REFRIGERANT – This Air Conditioner contains and operates with refrigerant R32.THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL.Refer to Commonwealth, State, Territory and local legislation, regulations, codes, installation & operation manuals, before theinstallation, maintenance and/or service of this product.IMPORTANT SAFETY NOTICEThere are special components used in this equipment which are important for safety. These parts are marked by in the SchematicDiagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replacedwith manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission ofmanufacturer.