Table of Contents
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AIR CONDITIONER (MULTI TYPE)
Installation Manual
Outdoor Unit
For commercial use
Model name:
MMY-MAP0804FT8-E
MMY-MAP1004FT8-E
MMY-MAP1204FT8-E
MMY-MAP1404FT8-E
MMY-MAP0804FT8Z-E
MMY-MAP1004FT8Z-E
MMY-MAP1204FT8Z-E
MMY-MAP1404FT8Z-E
MMY-MAP0804FT8ZG-E
MMY-MAP1004FT8ZG-E
MMY-MAP1204FT8ZG-E
MMY-MAP1404FT8ZG-E
English
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Table of Contents
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Summarization of Contents
Qualified Installer and Service Person DefinitionsInstaller and Service Person QualificationsDetails the qualifications and knowledge required for qualified installers and service personnel.Protective Gear and Unit WarningsAir Conditioner Unit Warning IndicationsExplains warning symbols and their meanings on the air conditioner unit for safe operation.Safety PrecautionsGeneral Safety GuidelinesCovers essential safety rules for installation, handling, and general operation.Installation Location SelectionGuidelines for choosing an appropriate and safe installation site for the unit.Unit Installation ProceduresInstructions and safety measures for the physical installation of the air conditioner.Refrigerant Piping SafetySafety considerations and warnings related to refrigerant piping installation and handling.Electrical Wiring SafetyCritical safety instructions for electrical wiring to prevent shocks and fires.Unit RelocationSafe Relocation Procedures and CautionsSafe practices and precautions for relocating the air conditioner unit.Accessory Parts and New Refrigerant InstallationIncluded Accessory Parts ListLists all parts included with the air conditioner, such as manuals and pipes.New Refrigerant Air Conditioner InstallationDetails on installing the air conditioner with new R410A refrigerant.Required Tools and Handling CautionsSpecifies necessary tools and precautions for handling the new refrigerant system.Installation Site SelectionInstallation Space RequirementsDefines the necessary space clearances for installation, maintenance, and airflow.Outdoor Unit Handling and WeightWeight Center and DimensionsInformation on the unit's weight, center of gravity, and dimensional specifications.Outdoor Unit InstallationInstallation Requirements and Snowfall Area ConsiderationsGeneral installation requirements and specific advice for areas with snowfall.Refrigerant Piping ConnectionsSuction Gas Pipe ConnectionsInstructions for connecting the suction gas pipes to the outdoor unit.Discharge Gas and Liquid Pipe ConnectionsGuidance on connecting discharge gas and liquid pipes.Refrigerant Piping Installation DetailsConnecting Refrigerant PipesDetails the process of connecting refrigerant pipes, including requirements.Gas Side Valve Connection MethodsIllustrates how to connect valves on the gas side of the piping.Copper Pipe Machining and SizingFlare Machining DimensionsSpecifies dimensions and margins for flaring copper pipes.Brazed Pipe Coupling SizesDetails the required sizes for brazed pipe couplings.Pipe Size SelectionIndoor and Outdoor Unit Capacity CodesExplains capacity coding for indoor and outdoor units for pipe sizing.Refrigerant Piping Lengths and Height DifferencesSystem Connection RestrictionsOutlines limits for system configuration and unit combinations.Flow Selector Unit Connection LimitsSpecifies limits for connecting indoor units to a flow selector unit.Installation Cautions for PipingProvides important installation advice and cautions related to piping.Airtightness TestingLeak Detection ProceduresDescribes methods and steps for performing an airtightness test to detect leaks.Vacuum Drying and Refrigerant ChargingVacuum Drying ProcedureDetails the process of vacuum drying the refrigerant system before charging.Calculating Additional Refrigerant ChargeExplains how to calculate the extra refrigerant needed for piping length.Valve Operations and Refrigerant ChargingFull Valve Opening ProceduresInstructions on how to fully open balance, liquid, discharge, and suction side valves.Labeling and Pipe FinishingF-GAS Label RequirementsInstructions for applying the F-GAS label and recording refrigerant information.Pipe Heat Insulation and FinishingCovers pipe heat insulation and sealing of connections after piping work.Pipe Holding Bracket InstallationGuidance on installing pipe holding brackets at specified intervals.Electrical WiringPower Wiring SelectionGuidance on selecting appropriate power wiring based on unit specifications.Power Supply SpecificationsDetails the required power supply voltage, frequency, and protection ratings.Communication WiringCommunication Wiring Design OverviewProvides a summary and design considerations for communication wiring systems.Wire ConnectionsPower Supply Wire ConnectionStep-by-step instructions for connecting power supply wires to the unit.Wiring Terminals and Harmonic CurrentCommunication Wire Connection DetailsSpecifies screw sizes, tightening torques, and connection points for communication wires.Harmonic Current Regulation ComplianceInformation on equipment compliance with harmonic current standards (IEC 61000-3-12).Unit Address SettingAutomatic Address Setting ProcedureStep-by-step guide for automatically setting unit addresses on the system.Unit Address Setting ProceduresManual Address Setting Procedure 2Details a second procedure for manually setting unit addresses via interface board switches.System Configuration and AddressingCentral Control Address Setting ExampleIllustrates address setting for systems with central control, including relay connector use.Manual Address Setting via Remote ControllerSetting Indoor Unit Addresses ManuallyInstructions for manually setting indoor unit addresses using a wired remote controller.Indoor Unit Address ConfirmationConfirming Unit Positions and AddressesHow to check indoor unit addresses and their positions using the remote controller.Changing Indoor Unit AddressesProcedure for modifying indoor unit addresses using the remote controller.Manual Address Adjustment and ResetResetting Unit Addresses to Factory DefaultMethods to reset unit addresses back to their factory default settings.Flow Selector Unit SetupCautions for Flow Selector Unit ConnectionImportant considerations and warnings for connecting the Flow Selector unit.Setting the CODE No. for Flow SelectorGuide to setting the CODE No. for the Flow Selector unit for proper operation.Cooling Only Indoor Unit SetupSetting Indoor Units for Cooling Only OperationProcedure to configure indoor units specifically for cooling-only mode.Test Run ProceduresPre-Test Run ChecksEssential checks to perform before initiating a test run of the air conditioner.Test Run Using Remote ControllerSteps for conducting a test run using the wired remote controller.Test Run Using Outdoor Unit Interface BoardInstructions for performing a test run via the outdoor unit's interface P.C. board.Troubleshooting and Error Codes7-Segment Display and Check Code InterpretationGuide to interpreting 7-segment display codes for troubleshooting unit errors.Machine Card and LogbookMachine Card InformationDetails on filling out and using the machine card for unit history.Logbook Maintenance RecordsInstructions for maintaining the logbook with maintenance and repair records.Refrigerant Leakage WarningsRefrigerant Concentration Limit CheckGuidance on checking refrigerant concentration limits and necessary safety measures.
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