Heat Controller A-MMH36FA-1, B-MMH12FA-1, B-MMC12FA-1 Wiring Diagram, Indoor Unit Outdoor Unit

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Schematic Diagram

Wiring Diagram

1. Indoor Unit

2. Outdoor Unit

1)A-MMC18FA-1

2)A-MMH18FA-1

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Service Manual

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Contents Heat CONTROLLER, INC Table of Contents KBtu/h 2 rooms Symbols Used in this ManualKBtu/h 3 rooms Control box securely Cuit and breaker Safety PrecautionsInstallation Be sure not to do Be sure to follow the instructionDo not allow water to run into electric parts Do not install, remove, or reDo not install the product on a Defective installation standNever enter the product When the product is soaked Be cautious that water canFlooded or submerged, contact Installing the product Install the drain hose to ensure that Keep level even whenUse two or more people to lift and transport the product Operational Do not use the remote is the batteries have leaked Selecting the locationOutdoor Unit Seaside applications and installationIndoor Unit DimensionsSplit Type Indoor 18kBtu/h Outdoor Unit24kBtu/h 36kBtu/h UE2Indoor Unit Type Wall Mounted Model Product SpecificationsMMC18FA-1 MMH18FA-1 Outdoor Unit Multiple piping modelsMMC24FA-1 MMH24FA-1 MMC36FA-1 MMH36FA-1 Installation Parts InstallationInstallation Tools Selecting the best location Multi Piping Type Piping length and elevation18 / 24 kBtu/h KBtu/h Drilling the hole in the wall Installing Installation PlateStandard TypeFlaring work Flaring Work and Connection of PipingCheck Connecting the PipingIndoor Wrap the insulation material around the all connections Indoor unit installationFor left rear piping Wrap the insulation material around the connecting por- tion Bad case Good caseRemote Control Preparationoptional Outdoor unit 18/24 kBtu/h OutdoorOutdoor unit 36 kBtu/h Tions ETL recognized and CSA certified Connect the cable to the Indoor unitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Methods of connecting the cableModel To check the drainage Checking the drainageDrain piping Insulating the Pipe and Special Piping Applications Secure the taped piping along the exterior wall usingLeakage test Air Purging and EvacuationLeak checking PreparationEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit Type Test RunningOperation Cooling Mode OperationSoft Dry Operation Mode Heating Mode OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Fuzzy Operation for Dehumidification On-Timer OperationOff-Timer Operation Airflow Speed SelectionChaos Natural Wind Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Swing ModeBuzzer Sound Forced OperationSplit Type Indoor Unit Function of Indoor UnitFunction of Outdoor Unit Time Setting Buttons Used to adjust the time Remote Control OperationCooling Model , Heat Pump Model To remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover Electronic Control Device Schematic DiagramIndoor Unit TMP87CM41F Outdoor UnitRY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Indoor Unit Outdoor Unit Wiring DiagramMMC24FA-1 Bottom View Component LocationsDisplay Assembly Split Type 6871A20680 Component side Solder side MMH18FA-1 Troubleshooting GuideRefrigeration Cycle Diagram MMC18FA-1MMH24FA-1 MMH36FA-1 MMC36FA-1Self-diagnosis Function Indoor ErrorOutdoor Error Error IndicatorTrouble analysis Cycle Troubleshooting GuideProcedure Specification Remedy Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan dont operateNector Trouble 4 When indoor Fan does not operateRY-COMP-B Voltage of Connectors according to Indoor Fan SpeedWhen Vertical Louver does not operate Indoor inlet pipe sensor Error CodeCheck Point Indoor air sensorPower input AC 230V.Outdoor, Indoor Description Cause of error Check point & Normal conditionCommunication line is shorted at GND Comp OFF Condensor pipe sensor Outdoor air sensorPipe sensor Way Valve Liguid Side Way, 3-way ValvePumping down ProcedureEvacuation Replace the valve and service port capsAll the refrigerant leaked Connect the gauge to the charging cylinder Replace the valve stem nuts and the service port nutGas Charging After EvacuationModel B-MMC09FA-1, B-MMH09FA-1, B-MMC12FA-1, B-MMH12FA-1 Exploded ViewModel A-MMC18FA-1, A-MMH18FA-1 Model A-MMC24FA-1, A-MMH24FA-1 Model A-MMC36FA-1, A-MMH36FA-1 08/06/2008 Heat CONTROLLER, INC