Heat Controller DMH18DB-1 manual Schematic Diagram, Solder side

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Schematic Diagram

2) Solder side

Service Manual 53

Image 53

Contents HEAT CONTROLLER, INC Only for authorized service personnelWall Mounted Multi-SplitSystem Air Conditioning/Heat PumpTABLE OF CONTENTS 2Multi type Air ConditionerService Manual SymbolsUsedinthisManualCombination table Combination tableInstallation Safety PrecautionsSafety Precautions 4Multi type Air ConditionerService Manual Safety PrecautionsDo not install, remove, or re Safety Precautions 6Multi type Air ConditionerWhen the product is soaked an Authorized Service CenterSafety Precautions InstallationInstall the drain hose to ensure that installing the productSafety Precautions Operational8Multi type Air Conditioner Service Manual Safety Precautions•Be careful and avoid personal injury •They may burn or explodeDimensions DimensionsIndoorUnit Split Type IndoorDimensions OutdoorUnitService Manual UE 18kBtu/hProduct Specifications Product Specifications12Multi type Air Conditioner Outdoor UnitService Manual Product SpecificationsIndoor Unit B-DMH18DB-1InstallationParts InstallationInstallationTools InstallationInstallation Select the best locationRooftop Installations Indoor unit16Multi type Air Conditioner Piping length and elevationInstallation Multi Piping TypeService Manual Fixing Installation PlateInstallation Flaringwork Flaring Work and Connection of PipingFlaring Work and Connection of Piping 18Multi type Air ConditionerFor right rear piping Connecting the PipingService Manual Flaring Work and Connection of PipingFlaring Work and Connection of Piping 20Multi type Air ConditionerFlaring Work and Connection of Piping For left rear pipingService Manual Flaring Work and Connection of Piping 22Multi type Air ConditionerIndoor unit installation Flaring Work and Connection of Piping REMOTE CONTROL PREPARATIONOPTIONALHOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Outdoor 24Multi type Air ConditionerFlaring Work and Connection of Piping Service Manual Connectthe cabletotheIndoorunitFlaring Work and Connection of Piping Line voltage 208~230VEvery wire must be connected firmly Connectthe cabletotheOutdoor unit26Multi type Air Conditioner Service Manual Connectionmethod ofthe connectingcableExampleHow to connect wiring to the terminals rating on the unit rating plate Connectthecable totheindoorunit28Multi type Air Conditioner Service Manual CheckingthedrainageTo check the drainage Drain piping30Multi type Air Conditioner Formingthe pipingAir Purging and Evacuation Service ManualCheckingmethod Air Purging and Evacuation32Multi type Air Conditioner EvacuationRepeat evacuation procedure for each indoor unit Finishing the jobImportant:Unit is critically charge ChargingCharging Test Running Test Running34Multi type Air Conditioner Prepare remote controlFunctionofcontrol Operation1. MAIN UNIT FUNCTION OperationOperation 36Multi type Air ConditionerDefrost ControlHeating Fuzzy OperationOff-TimerOperation On-TimerOperationService Manual OperationOff-Timer = On-TimerOperation 38Multi type Air ConditionerSleep Timer Operation OperationOperation Service ManualForced Operation Buzzer Sounding Operation40Multi type Air Conditioner FunctionofIndoorUnitOperation ON/OFF by Remote controller Time Delay Safety ControlService Manual FunctionofOutdoor UnitOperation Operating Step42Multi type Air Conditioner RemoteControlOperationSETTING BUTTONS 7ON/OFF TIMER BUTTONSDisassembly DisassemblyIndoor Unit To remove the Grille from the ChassisDisassembly 44Multi type Air Conditioner2. To remove the Control Box 3.To remove the Discharge GrilleDisassembly Service Manual5.To remove the Motor Cover 6.To remove the Cross-FlowFanSchematic Diagram Schematic DiagramElectronicControlDevice 1.Indoor UnitTMP87CM41F 2. Outdoor UnitSchematic Diagram Schematic Diagram 48 Multi type Air Conditioner1. Room Type Indoor Unit 2. Outdoor Unit Wiring DiagramSchematic Diagram Service Manual1. Indoor Unit ComponentsLocations•TOP VIEW • BOTTOM VIEW2. Display ASSEMBLY 1 Split Type 6871A20682A Schematic Diagram52Multi type Air Conditioner 3. Outdoor UnitSchematic Diagram 1 Component side2 Solder side Schematic DiagramRefrigerationCycleDiagram Troubleshooting GuideTroubleshooting Guide 54Multi type Air ConditionerOutdoor Error Indoor ErrorSelf-diagnosisFunction Troubleshooting GuideTrouble analysis CycleTroubleshooting Guide56Multi type Air Conditioner Troubleshooting GuideTrouble ElectronicPartsTroubleshooting GuideThe Product doesn’t operate at all Troubleshooting Guide58Multi type Air Conditioner Product doesnt operate with the remote controllerTroubleshooting Guide TroubleTroubleshooting Guide The Compressor/Outdoor Fan are dont operateService Manual TroubleWhen indoor Fan does not operate Trouble 4 When indoor Fan does not operate60Multi type Air Conditioner Troubleshooting GuideWhen Vertical Louver does not operate Trouble 5 When the louver does not operateTroubleshooting Guide Service Manual62Multi type Air Conditioner ErrorCodeTroubleshooting Guide Trouble ShootingPower input AC 230V.Outdoor, Indoor Troubleshooting Guide• The connecting wires are misconnected TitleTroubleshooting Guide 64Multi type Air ConditionerError Cause of errorTroubleshooting Guide Service ManualCause of error Title2-way, 3-wayValve 2-way, 3-wayValve66Multi type Air Conditioner 2-wayValve Liguid SideService Manual 1 Pumping down2-way, 3-wayValve 2.Operate the unit for 10 to 15 minutes68Multi type Air Conditioner 2 Evacuation7.Mount the valve caps and the service port caps 2-way, 3-wayValveService Manual 3 Gas Charging2-way, 3-wayValve After Evacuation1900 WELLWORTH AVENUE • JACKSON, MICHIGAN HEAT CONTROLLER, INCTHE QUALITY LEADER IN CONDITIONING AIR 05/15/07