Manuals / Heat Controller / Household Appliance / Air Conditioner

Heat Controller DMC12SB-0 service manual Heat Controller, Inc, Air Conditioning/Heat Pump

Models: DMH12SB-0 DMH18SB-1 DMC24SB-1 DMH24SB-1 DMH09SB-0 DMC09SB-0 DMC12SB-0 DMC18SB-1

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HEAT CONTROLLER, INC.

Wall Mounted

Mini-Split System

Single-Zone

Air Conditioning/Heat Pump

Service Manual

DMC09SB-0/DMH09SB-0

DMC12SB-0/DMH12SB-0

DMC18SB-1/DMH18SB-1

DMC24SB-1/DMH24SB-1

Before servicing the unit, read the “safety precautions” in this manual.

Only for authorized service personnel.

Page 1

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Heat Controller DMC12SB-0, DMC18SB-1 service manual Heat Controller, Inc, Wall Mounted Mini-SplitSystem Single-Zone

Contents

HEAT CONTROLLER, INC Only for authorized service personnelWall Mounted Mini-SplitSystem Single-Zone Air Conditioning/Heat PumpTABLE OF CONTENTS 2Room Air ConditionerInstallation Safety PrecautionsSafety Precautions Be sure not to do4Room Air Conditioner OperationSafety Precautions Do not handle the pipe by your- selfCostomerThere is risk of fire or electrical shock Safety PrecautionsThere is risk of electric shock There is risk of electrical shockInstallation 6Room Air ConditionerSafety Precautions Install the drain hose to ensure thatSafety Precautions DisuseUse a soft cloth to clean Do not use harsh detergents, sol- vents, etcDimensions DimensionsIndoorUnit 8Room Air ConditionerModel Dimensions1. 9k, 12k OutdoorUnit10Room Air Conditioner DimensionsDimensions 2. 18k, 24kFeatures SymbolsUsedIn ThisManualNOTICE This symbol indicates special notes IntroductionInstallation Parts InstallationInstallationTools IntroductionInstallation InstallationMap14Room Air Conditioner Installation ConfirmTheRefrigerantTHIS PRODUCT CONTAINS R-410AREFRIGERANT SelectTheBest Location Rooftop InstallationsIndoor unit Outdoor unitInstallation PipingLengthAndElevationDrillaHoleIn The Wall How To Mount Installation Plate18Room Air Conditioner InstallationCut the pipes and the cable Flaring WorkBurrs removal Putting nut onIndoor unit installation ConnectingThePipingIndoor For left rear pipingInstallation For right rear pipingIndoor unit installation Insert the connecting cable into the indoor unit22Room Air Conditioner InstallationPiping for passage through piping hole InstallationIncorrect case Correct case24Room Air Conditioner InstallationConnectionOfPiping-Outdoor ConnectionOfTheDrainHosePut a couple drops of refrigerant oil on the face of the flare before assembling2.Dismount caps on the conduit panel ConnectionOfTheCable5.Ground the unit in accordance with local codes 7.Use lock nuts to secure the conduit tubes3Specification of power source Installation4Confirm that electrical capacity is sufficient 8The following would be caused by voltage dropDrain piping CheckingTheDrainage28Room Air Conditioner InstallationInstallation FormingThePipingAirpurging With Vacuum Pump AirPurgingPreparation Leak testFinishing the job EvacuationInstallation Important Unit is critically charged Charging32Room Air Conditioner InstallationTest Running Prepare remote controlSettlement of outdoor unit Evaluation of the performanceFunctionofControls OperationOperation DISPLAYDefrost Control Heating Mode OperationOperation Airflow Speed Selection Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation C/O ModelTest operation Forced operationAuto restart Protection of the evaporator pipe from frostingSelf-diagnosisFunction Display Function1. Heating Model 38Room Air Conditioner7.ON/OFF TIMER BUTTONS RemoteControlOperations8.TIME SETTING BUTTONS 9.TIMER SET/CANCEL BUTTONIndoor Unit Disassembly40Room Air Conditioner Operation2. To remove the Control Box Disassembly3.To remove the Discharge Grille 4.To remove the Evaporator42Room Air Conditioner Disassembly5.To remove the Motor Cover 6.To remove the Cross-FlowFanRefrigerationCycleDiagram Troubleshooting GuideTroubleshooting Guide 1 Cooling Only Models44Room Air Conditioner 2-way,3-wayValveTroubleshooting Guide 2-wayValve Liquid SidePumping Down ProcedureTroubleshooting Guide 2Operate the unit for 10 to 15 minutes46Room Air Conditioner Balance Refrigerant of the 3-wayValveTroubleshooting Guide ProcedureProcedure Troubleshooting GuideEvacuation All amount of refrigerant leaked48Room Air Conditioner Gas ChargingTroubleshooting Guide ProcedureThe method of using equation The method of using graphAccording to Indoor & Outdoor Temperature Additional gas chargingTrouble analysis CycleParts50Room Air Conditioner Troubleshooting GuideProduct does not operate at all ElectronicParts9kmodelTroubleshooting Guide 52Room Air Conditioner ElectronicParts18k modelTroubleshooting Guide Product does not operate at allTurn on Main Power Troubleshooting GuideTroubleshooting Guide 54Room Air ConditionerTurn on Main Power Troubleshooting Guide56Room Air Conditioner When indoor Fan does not operateTroubleshooting Guide Troubleshooting Guide When Vertical Louver does not operate58Room Air Conditioner When a comunication error occursTroubleshooting Guide INDOOR UNIT The phenomena in case of connecting errorTroubleshooting Guide 60Room Air Conditioner OUTDOOR UNITTroubleshooting Guide Schematic Diagram Schematic DiagramElectricControl Device Indoor62Room Air Conditioner Outdoor 9k, 12kSchematic Diagram Schematic Diagram Outdoor 18k, 24kIndoor Unit Wiring Diagram64Room Air Conditioner Schematic DiagramModels 9kC/O Outdoor UnitModels 12kH/P, 12kC/O, H/P Schematic DiagramModels 18kH/P, 24kC/O, H/P Models 18kC/O66Room Air Conditioner Schematic DiagramComponentsLocation Indoor MAIN P.W.B ASSEMBLY TOP VIEWBOTTOM VIEW Schematic Diagram68Room Air Conditioner Outdoor9k, 12k TOP VIEW BOTTOM VIEWSchematic Diagram Schematic Diagram Outdoor18k, 24k TOP VIEW BOTTOM VIEW6870A90240D - 6870A90240E DISPLAY ASSEMBLY70Room Air Conditioner Schematic DiagramProduct Specifications Product SpecificationsCooling Only Model Name72Room Air Conditioner Cooling & HeatingProduct Specifications 1900 WELLWORTH AVENUE JACKSON, MICHIGAN HEAT CONTROLLER, INCTHE QUALITY LEADER IN CONDITIONING AIR