- 1 -• Before installing the Mounting attachment A type, please read the following safety precautions carefully to ensure properinstallation.• Observe the following precautions to ensure safety.• The following symbols are used in this manual to indicate the type and severity of potential consequences that may result whengiven instructions are not followed exactly as stated.• After the completion of installation, perform a test run to confirm proper operation.• Retain this manual for future reference. When the unit is reinstalled or repaired, make this manual available to those who providethese services. Make sure that the manual is passed on to any future air condition system users.1 Safety PrecautionsWARNING Indicates a risk of death or serious injury.CAUTION Indicates a risk of injury or damage to the product.WARNINGCAUTIONAir-conditioner Control System Optional PartsMounting attachment A type for use with AG-150APAC-YG85KTBInstallation ManualApplicableModelCentralized ControllerAG-150AOnly a dealer or qualified technician should replacethe unit.Improper replacement by an unqualified person may resultin electric shock or fire.The Mounting attachment A type should be installedon a surface that is strong enough to support theweight of the unit.If the Mounting attachment A type is installed on a surfacethat lacks the strength to support it, it may fall and causeinjury.Do not attempt to modify or repair the Mountingattachment A type.Modification or improper repair may result in electric shockor fire. Consult your dealer when repairs are necessary.Install the Mounting attachment A type properlyaccording to the instructions detailed in thisInstallation Manual.Improper installation by an unqualified person may result inelectric shock or fire.Electric work must be performed by authorizedpersonnel according to the local regulations and theinstructions detailed in the Installation Manual.Inadequate circuit capacity or improper installation mayresult in electric shock or fire.Ask your dealer or an authorized technician to movethe Mounting attachment A type.Improper installation by an unqualified person may result inelectric shock or fire. Consult your dealer or a qualifiedtechnician.Do not install the Mounting attachment A type wherethere is a risk of leaking flammable gas.If the leaked gas accumulates around the Mountingattachment A type, it may ignite and cause an explosion.Do not use the Mounting attachment A type in anenvironment that has high concentrations of oil,steam, or sulfuric gas.These substances may have adverse effects on theperformance of the Mounting attachment A type ordamage its parts.Seal the wire access holes with putty to prevent dew,water, and insects from entering to avoid electricshock.Do not install this Mounting attachment A type in aplace that has the potential for steam, such as abathroom or kitchen.Steam may cause an electric shock or a unit malfunction.Do not install this Mounting attachment A type wherean acid, alkaline solution, or special chemical spray isused frequently to avoid electric shock or malfunction.Keep the cables from coming in direct contact with theedges of the wire access holes.If the cables are damaged, they may cause electric shockor fire.This Mounting attachment A type is for exclusive usewith the AG-150A and cannot be used with otherdevices.