18k, 24k, LDt ftn, Asm, LD2 LD4 | Heat Controller MSS-024B/A

(3) DISPLAY PWB ASSY

< 9k, 12k >

LDt ftn	U R.ASM
O ®	O
	LD
O ® LD2 ® LD4
6046AQ302OA
	(P/No: 6047AQ3021 E)

< 18k, 24k >

LD1 LD2 LD3 LD4

iý 7 P.C.B 6870AQ3241A REMOCN RECEIVER

ASM 6870AQ3149A

CN-MAIN

(PINo: 6871 A03149A)

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Image 61

Heat Controller MSS-024B/A, MSH-0186/A, MSS-018B/A, MSH-01 2B/A, MSS-009B/A 18k, 24k, LDt ftn, Asm, LD2 LD4, LD1 LD2 LD3 LD4

Contents

Heat CONTROLLER, INC Contents Indoor Unit FunctionsAuto Wind Operation Owoff Operation Mode Selection Remote ControllerFan Speed Selection Power Supply 17Z,-W Product SpecificationsCooling OnlyAir Circulation Oumw 1 ,260 Product SpecificationsCooling & Heating Indoor Unit Jzý, Installation plateTubing hole cover 9k, 12k 18k, 24k Gas side Outdoor UnitModel DIM Cooling Only Models Refrigeration Cycle Diagram Camay a Heating Cooling & Heating ModelsHeat Evaporator I / \ Indoor Wiring Diagram Indoor Wiring DiagramMSS-012, MSS-018, MS18, MSS-024, MSF4424 Iroom 9k, 12k Outdoor Unit Cooling Only Models18k 24k LO.a 12k 18k 24k Cooling Operation Mode Time delay Safety ControlFunction of main control Airflow Direction Control Intake AIR Temp Setting TEMP. +1F Auto Operation Electronic control modeSetting TEMP. -10F MODE1rStart ModeoMODE2 MODE3 MODE4 Modes End Intake AIR TE Soft Dry Operation ModeSelecting Low OFF Compressor Setting Temp Intake AIR Temp Setting TEMP. +60FHeating Operation Modeonly Heating Model Indoor Pipe Temp Rý uDefrost OFF Defrost on Setting TEMP. -1F Cooling or Heating Mode with Sleep Mode Auto Control Forced Operation Setting TempCrank Case Heater Coil Controlonly Heating model ICJ Outdoor Indoor Self-diagnosis Function Display FunctionBuzzer Sound Diagnosis Is toxic when burned InstallationWhen connecting refrigerant tubing When servicing Selection of the best location Roof Top InstallationsPiping length and the elevation Avoid areas where electrical wiring, conduits or Indoor Unit InstallationWire or gas line can cause death or injury Lower left and right side of Installation Plate Preparation of Pipings Piping and Drainage of Indoor UnitStarted Poo 113 H IW-0 For right rear piping Connection of Pipings 5kgm39.8ft.ibs Llj For the left pipings Tape the tubing, drain hose and the connecting Insert the connecting cable into the indoor unitIndoor unit installation Installation plate. Engage the two hooks of the rear Drain hose Taping Connecting the pipings to the Outdoor unit Connecting Pipings and the cable to Outdoor unitConnection of the cable 2sanoev Terminals and fasten the wire tightly with the fixing screw Checking the Drainage Attach the Grille onto the cabinet Connect the cable to the indoor unit Forming the pipings BwidPage Page Settfemont of Outdoor Unit Temperature, Pressure, Ampere ChanEvaluation of theperformance MG OFF Timer Button Name and Function-Remote ControllerSleep Mode Auto Button Operation display Start/Stop Button Qs Operation Mode Selection Button Cooling & Heating Be careful not to lose the clip when reassem- blingRemove the securing screws To remove the Control Box Remove 2 securing screws Page To remove the Control Box To remove the Grille from the Chassis To remove the Evaporator To remove the Discharge GrilleRemove three screws fixing control box and motor Unhook the tab on the left inside edge To remove the Fan Motor To remove the Cross-Flow Fan Trouble analysis Cycle Troubleshooting GuideCause of Trouble Connector related to CN-POWER Connector related to CN-FAN Turn off Main Power Cý After 10 secondsDisplay PWB Assy Check Connector related to CN-DC/DC Does beeping sound is made from the Indoor Unit? R751K C711000PF Micom PIN Check Receiver Assy Product Is not operate with the remote controller Compressor/Outdoor Fan are unable to drive Turn on Main Power When Indoor Fan does not operate When Vertical Louver does not operate Operation indicator of Indoor unit blinks five times When a comunication error occurs Indoor Unit Phenomena in case of connecting errorCN-UP/DOWN CN-TH +0 , ý CN-POWER RY-COMPOutdoor Unit CN-TRANS CN-FAN Voltage of Connectors according to Indoor Fan Speed Optional Function Electronic Control Device Optional Function Model Main PWB ASSYOutdoor Unit1OK LDt ftn 18k, 24kASM LD2 LD4 Schematic Diagram Page BA ýJ Remote Controller Plate InstallationHeat OTY Remark Parts Name Controller Indoor Unit18k, 24k Motor Assy Chassis Assy Parts Name Tom, .ý M m mm 7DDD \ , \ Base Weld ASM Condenser Compressor ASM 9k, 12kReversing Valve Reversing Coil Front Panel Assy TOP Cover ASM Rear Panel Barrier31 CAP Capillary Final ASM HEATERCRANK-CASE1 Heat QTY Remark Outdoor Unit18k `Ty MSS-018A MSH-018A L8k 171 PWB ASSY, Main SH-CAPACITOR Reversing Coil QTY RemarkClamp Capacitor Controller Assy Check Valve CAPILLARY, Bent 29 CAP CAPILLARY, Bent Panel Cover ControlPANEL, Rear 2021-0024 ICJ No Remark R means service parts9O2k MSS-009B MSS-012B 2021-0001 MSS-0188 MSH-018B Plate Installation Holder Tube Motor Assy Chassis Assy2021-0001 2021-0074 2010-0003 2021-0069 2021-0005 FAN Assy Cross GQ 21k Service VALVE1/4 Service VALVE112 Capillary TOP Cover ASMFinal ASM HEATERCRANK-CASE Reversing Valve High Pressure S/W 2021-0024 I`J FAN MotorMSS-018A MSH-018A SAT City Remark Support Valve High Pressure S/W Reversing CoilPWBASSY,MAIN 2035-0004 2035-0006 UTY Remark2021-0021 2050-0001 Extra FAN Barrier ASM Heat CONTROLLER, INC

Heat Controller MSS-024B/A, MSH-0186/A manual 18k, 24k, LDt ftn, Asm, LD2 LD4, LD1 LD2 LD3 LD4

Models: MSH-01 2B/A MSH-024B/A MSS-024B/A MSH-0186/A MSS-018B/A MSS-009B/A MSS-012B/A

(3) DISPLAY PWB ASSY

< 9k, 12k >

LDt ftn

U R.ASM

O ® LD2 ® LD4

< 18k, 24k >

LD1 LD2 LD3 LD4