Heat Controller DMH18DB-1 manual Schematic Diagram, Display ASSEMBLY 1 Split Type 6871A20682A

Page 51

Schematic Diagram

2. Display ASSEMBLY

1) Split Type (6871A20682A)

Service Manual 51

Image 51

Contents Air Conditioning/Heat Pump Only for authorized service personnelHEAT CONTROLLER, INC Wall Mounted Multi-SplitSystemTABLE OF CONTENTS 2Multi type Air ConditionerCombination table SymbolsUsedinthisManualService Manual Combination table4Multi type Air Conditioner Safety PrecautionsInstallation Safety PrecautionsSafety Precautions Do not install, remove, or reService Manual an Authorized Service Center 6Multi type Air ConditionerSafety Precautions When the product is soakedinstalling the product InstallationSafety Precautions Install the drain hose to ensure thatOperational 8Multi type Air ConditionerSafety Precautions •They may burn or explode Safety PrecautionsService Manual •Be careful and avoid personal injurySplit Type Indoor DimensionsDimensions IndoorUnitUE 18kBtu/h OutdoorUnitDimensions Service ManualOutdoor Unit Product SpecificationsProduct Specifications 12Multi type Air ConditionerB-DMH18DB-1 Product SpecificationsService Manual Indoor UnitInstallation InstallationInstallationParts InstallationToolsIndoor unit Select the best locationInstallation Rooftop InstallationsMulti Piping Type Piping length and elevation16Multi type Air Conditioner InstallationFixing Installation Plate InstallationService Manual 18Multi type Air Conditioner Flaring Work and Connection of PipingFlaringwork Flaring Work and Connection of PipingFlaring Work and Connection of Piping Connecting the PipingFor right rear piping Service ManualFlaring Work and Connection of Piping 20Multi type Air ConditionerFor left rear piping Service ManualFlaring Work and Connection of Piping 22Multi type Air Conditioner Indoor unit installationFlaring Work and Connection of Piping REMOTE CONTROL PREPARATIONOPTIONAL HOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIESFlaring Work and Connection of Piping 24Multi type Air Conditioner Flaring Work and Connection of PipingOutdoor Line voltage 208~230V Connectthe cabletotheIndoorunitService Manual Flaring Work and Connection of PipingConnectthe cabletotheOutdoor unit 26Multi type Air ConditionerEvery wire must be connected firmly Connectionmethod ofthe connectingcableExample How to connect wiring to the terminalsService Manual Connectthecable totheindoorunit 28Multi type Air Conditionerrating on the unit rating plate Drain piping CheckingthedrainageService Manual To check the drainage30Multi type Air Conditioner Formingthe pipingAir Purging and Evacuation Service ManualAir Purging and Evacuation CheckingmethodFinishing the job Evacuation32Multi type Air Conditioner Repeat evacuation procedure for each indoor unitCharging ChargingImportant:Unit is critically charge Prepare remote control Test RunningTest Running 34Multi type Air ConditionerOperation OperationFunctionofcontrol 1. MAIN UNIT FUNCTIONFuzzy Operation 36Multi type Air ConditionerOperation Defrost ControlHeatingOperation On-TimerOperationOff-TimerOperation Service ManualOperation 38Multi type Air ConditionerOff-Timer = On-TimerOperation Sleep Timer OperationBuzzer Sounding Operation Service ManualOperation Forced OperationTime Delay Safety Control FunctionofIndoorUnit40Multi type Air Conditioner Operation ON/OFF by Remote controllerOperating Step FunctionofOutdoor UnitService Manual Operation7ON/OFF TIMER BUTTONS RemoteControlOperation42Multi type Air Conditioner SETTING BUTTONSTo remove the Grille from the Chassis DisassemblyDisassembly Indoor Unit3.To remove the Discharge Grille 44Multi type Air ConditionerDisassembly 2. To remove the Control Box6.To remove the Cross-FlowFan Service ManualDisassembly 5.To remove the Motor Cover1.Indoor Unit Schematic DiagramSchematic Diagram ElectronicControlDevice2. Outdoor Unit Schematic DiagramTMP87CM41F Schematic Diagram 48 Multi type Air ConditionerService Manual Wiring Diagram1. Room Type Indoor Unit 2. Outdoor Unit Schematic Diagram• BOTTOM VIEW ComponentsLocations1. Indoor Unit •TOP VIEW2. Display ASSEMBLY 1 Split Type 6871A20682A Schematic Diagram1 Component side 3. Outdoor Unit52Multi type Air Conditioner Schematic Diagram2 Solder side Schematic Diagram54Multi type Air Conditioner Troubleshooting GuideRefrigerationCycleDiagram Troubleshooting GuideTroubleshooting Guide Indoor ErrorOutdoor Error Self-diagnosisFunctionTroubleshooting Guide CycleTroubleshooting GuideTrouble analysis 56Multi type Air ConditionerTroubleshooting Guide ElectronicPartsTroubleshooting GuideTrouble The Product doesn’t operate at allTrouble Product doesnt operate with the remote controller58Multi type Air Conditioner Troubleshooting GuideTrouble The Compressor/Outdoor Fan are dont operateTroubleshooting Guide Service ManualTroubleshooting Guide Trouble 4 When indoor Fan does not operateWhen indoor Fan does not operate 60Multi type Air ConditionerService Manual Trouble 5 When the louver does not operateWhen Vertical Louver does not operate Troubleshooting GuideTrouble Shooting ErrorCode62Multi type Air Conditioner Troubleshooting GuideTitle Troubleshooting GuidePower input AC 230V.Outdoor, Indoor • The connecting wires are misconnectedCause of error 64Multi type Air ConditionerTroubleshooting Guide ErrorTitle Service ManualTroubleshooting Guide Cause of error2-wayValve Liguid Side 2-way, 3-wayValve2-way, 3-wayValve 66Multi type Air Conditioner2.Operate the unit for 10 to 15 minutes 1 Pumping downService Manual 2-way, 3-wayValve2-way, 3-wayValve 2 Evacuation68Multi type Air Conditioner 7.Mount the valve caps and the service port capsAfter Evacuation 3 Gas ChargingService Manual 2-way, 3-wayValve05/15/07 HEAT CONTROLLER, INC1900 WELLWORTH AVENUE • JACKSON, MICHIGAN THE QUALITY LEADER IN CONDITIONING AIR