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Contents Heat CONTROLLER, INC Contents Auto Wind FunctionsIndoor Unit Fan Speed Selection Remote ControllerOperation Owoff Operation Mode Selection Product SpecificationsCooling Only Power Supply 17Z,-WAir Circulation Oumw 1 ,260Product SpecificationsCooling & Heating Jzý, Installation plate Indoor UnitTubing hole cover 9k, 12k 18k, 24kModel DIM Outdoor UnitGas side Refrigeration Cycle Diagram Cooling Only ModelsCooling & Heating Models Camay a HeatingHeat Evaporator I / \Indoor Wiring Diagram Indoor Wiring DiagramMSS-012, MSS-018, MS18, MSS-024, MSF4424 IroomOutdoor Unit Cooling Only Models 9k, 12k18k 24k LO.a12k 18k 24k Time delay Safety Control Cooling Operation ModeFunction of main control Airflow Direction ControlSetting TEMP. -10F Auto Operation Electronic control modeIntake AIR Temp Setting TEMP. +1F Modeo MODE1rStartMODE2 MODE3 MODE4 Modes EndSoft Dry Operation Mode Intake AIR TESelecting Low OFF CompressorIntake AIR Temp Setting TEMP. +60F Setting TempHeating Operation Modeonly Heating Model IndoorRý u Pipe TempDefrost OFF Defrost onCooling or Heating Mode with Sleep Mode Auto Control Setting TEMP. -1FSetting Temp Forced OperationCrank Case Heater Coil Controlonly Heating model ICJIndoor OutdoorDisplay Function Self-diagnosis FunctionBuzzer Sound DiagnosisInstallation Is toxic when burnedWhen connecting refrigerant tubing When servicingPiping length and the elevation Roof Top InstallationsSelection of the best location Indoor Unit Installation Avoid areas where electrical wiring, conduits orWire or gas line can cause death or injury Lower left and right side of Installation PlatePiping and Drainage of Indoor Unit Preparation of PipingsStarted Poo 113 H IW-0Connection of Pipings For right rear pipingLlj 5kgm39.8ft.ibsFor the left pipings Insert the connecting cable into the indoor unit Tape the tubing, drain hose and the connectingIndoor unit installation Installation plate. Engage the two hooks of the rearDrain hose Taping Connection of the cable Connecting Pipings and the cable to Outdoor unitConnecting the pipings to the Outdoor unit Terminals and fasten the wire tightly with the fixing screw 2sanoevChecking the Drainage Connect the cable to the indoor unit Attach the Grille onto the cabinetBwid Forming the pipingsPage Page Evaluation of theperformance Temperature, Pressure, Ampere ChanSettfemont of Outdoor Unit Name and Function-Remote Controller MG OFF Timer ButtonSleep Mode Auto Button Operation displayQs Operation Mode Selection Button Start/Stop ButtonBe careful not to lose the clip when reassem- bling Cooling & HeatingRemove the securing screws To remove the Control BoxRemove 2 securing screws Page To remove the Grille from the Chassis To remove the Control BoxTo remove the Discharge Grille To remove the EvaporatorRemove three screws fixing control box and motor Unhook the tab on the left inside edgeTo remove the Cross-Flow Fan To remove the Fan MotorCause of Trouble Cycle Troubleshooting GuideTrouble analysis Turn off Main Power Cý After 10 seconds Connector related to CN-POWER Connector related to CN-FANDisplay PWB Assy Check Connector related to CN-DC/DC Does beeping sound is made from the Indoor Unit?Product Is not operate with the remote controller R751K C711000PF Micom PIN Check Receiver AssyTurn on Main Power Compressor/Outdoor Fan are unable to driveWhen Indoor Fan does not operate When Vertical Louver does not operate When a comunication error occurs Operation indicator of Indoor unit blinks five timesPhenomena in case of connecting error Indoor UnitCN-UP/DOWN CN-THCN-POWER RY-COMP +0 , ýOutdoor Unit CN-TRANS CN-FANVoltage of Connectors according to Indoor Fan Speed Electronic Control Device Optional Function1OK Main PWB ASSYOutdoor UnitOptional Function Model 18k, 24k LDt ftnASM LD2 LD4Schematic Diagram Page BA ýJ Plate Installation Remote ControllerHeat OTY Remark Parts Name ControllerIndoor Unit18k, 24k Parts Name Motor Assy Chassis Assy7DDD \ , \ Tom, .ý M m mm9k, 12k Base Weld ASM Condenser Compressor ASMReversing Valve Reversing Coil Front Panel AssyBarrier TOP Cover ASM Rear Panel31 CAP Capillary Final ASM HEATERCRANK-CASE1 Heat QTY RemarkOutdoor Unit18k `Ty L8k MSS-018A MSH-018A171 Clamp Capacitor Controller Assy Check Valve CAPILLARY, Bent Reversing Coil QTY RemarkPWB ASSY, Main SH-CAPACITOR CAPILLARY, Bent Panel Cover Control 29 CAPPANEL, Rear 2021-0024Remark R means service parts ICJ No9O2k MSS-009B MSS-012B 2021-0001Plate Installation Holder Tube Motor Assy Chassis Assy MSS-0188 MSH-018B2021-0001 2021-0074 2010-0003 2021-0069 2021-0005 FAN Assy CrossService VALVE1/4 Service VALVE112 GQ 21kTOP Cover ASM CapillaryFinal ASM HEATERCRANK-CASEHigh Pressure S/W Reversing ValveMSS-018A MSH-018A FAN Motor2021-0024 I`J PWBASSY,MAIN Support Valve High Pressure S/W Reversing CoilSAT City Remark UTY Remark 2035-0004 2035-00062021-0021 2050-0001 Extra FAN Barrier ASMHeat CONTROLLER, INC