Samsung LT-M1775 Especificações

INDOOR UNITSH09BWHASH12BWHAOUTDOOR UNITSH09BWHAXSH12BWHAXSERVICEManualCONTENTSAIR CONDITIONER11. Product Specifications12. Operating Instructions13. D

Disassembly and Reassembly9Samsung ElectronicsNo Parts Procedure Remark23Control-In(Main PCB)Tray Drain6) Unlock 2 hooks to fix Panel Front and Tray D

Disassembly and ReassemblySamsung Electronics10No Parts Procedure Remark45Heat ExchangerFan Motor&Cross Fan1) Loosen 2 fixing earth screws of righ

11Samsung Electronics3-2 Outdoor UnitNo Parts Procedure Remark1 Common Work1) Loosen each 3 fixing screws on both rightand left Cabinet-Side edge and

Disassembly and ReassemblySamsung Electronics12No Parts Procedure Remark234Fan & MotorHeat ExchangerCompressor1) Detach the Nut Flange.(Turn count

13Samsung Electronics4. Refrigerating Cycle DiagramIndoor UnitOutdoor UnitT1T22-Way valveEEV3-Way valveGas sideHeatExchanger(Evaporator)HeatExchanger(

Samsung Electronics14Feature Display5. Set Up the Model Option5-1 Setting Option Setup Methodex) Option No. :Step 1 : Enter the Option Setup mode.1stT

15Samsung ElectronicsSet Up the Model OptionFeature Display7Setting Option SEG5.Push the button to set the display panel to .Every time you pus

Samsung Electronics16Set Up the Model OptionStep 3 : Upon completion of the selection, check you made right selections.Whenever you press the button,

17Samsung Electronics5-2 Table of the option CodeModelOption CodeSEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10SH09BWHASH12BWHA0500001340050100135

Samsung Electronics186. Troubleshooting6-1 Basic items for trouble shootingSince the inverter air conditioner is equipped with Electrical control circ

1Samsung Electronics1. Product Specifications1-1 TablePerfor-mancePowerSizeModelItemTypeCooling kWHeating kWDehumidifying |/hAir VolumeCoolingm3/minHe

19Samsung Electronics6-2 The first determination method of troubled part6-2-1 Error mode display of indoor unitIndoor unit room temperature sensor err

TroubleshootingSamsung Electronics206-2-2 Error mode display of outdoor unit boardPower Off / VDD NGComp. Peak Current (O.C.)Communication NGComp. Sta

21Samsung Electronics6-3 Sequence of trouble shooting for inverter airconOPERATION START• The indoor unit does not work eventhough the power is plugge

TroubleshootingSamsung Electronics226-3-1 (A) Check of indoor unit control board√ Unplug the power cord and plug it after 5 seconds.√ Press the on/off

Troubleshooting23Samsung Electronics6-3-4 (E) Check of indoor unit fan motor 1. √ Check whether the wires are connected surely between control board(C

TroubleshootingSamsung Electronics246-3-7 (H) Check the defrost temperature sensor and outdoor temperature sensor.√ Connector of outdoor unit control

Troubleshooting25Samsung Electronics6-3-11 (L) Check of instantaneous over-current protection of IPM circuit.√ Inverter instantaneous over-current pro

TroubleshootingSamsung Electronics266-3-13 (N) Check of the heatsink temperature abnormal rise√ If the air flow around the heatsink on the control box

Troubleshooting27Samsung Electronics6-3-15 (P) Check no gas errorCharge standard amount of refrigerant.6-3-16 (Q) Check of 4-Way valveCheck whether th

Samsung Electronics286-4 Fault Diagnosis of Major Parts• Indoor "Temp.Sensor"• Indoor "Heat ex. Sensor"• Outdoor "Temp.Sensor

Samsung Electronics21-2 Pressure Graph SH09BWHAOutdoor Temp. (˚C)Pressure (kgf/cm2G)Indoor Temp. (˚C) SH12BWHAOutdoor Temp. (˚C)Pressure (kgf/cm2G)I

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Samsung Electronics30161-21-12-32-23-73-8-11-31-41-64972-125-15-45-25381-71-85-33-43-63-81-53-13-23-53-3You can search for the updated part codenumber

31Samsung ElectronicsExploded Views and Parts List Parts ListQ'TYNo. Code No. Description Specification Remark11111111111111112111111111112111111

Samsung Electronics327-2 Outdoor Unit3-13-21622101112136317171918459825262021224231415 DB98_19047A(1)_2 4/21/04 2:27 PM Page 32

33Samsung ElectronicsExploded Views and Parts ListQ'TYNo. Code No. Description Specification1 DB90-01581A ASS'Y-CABI FRONT ASS'Y 1 12 D

Samsung Electronics347-3 Ass'y-Control In(Code No : DB93-02755A) Parts ListNo.1 DB61-01637A CASE-CONTROL ABS 12 DB93-02754A ASS'Y-PCB IN ASS

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Samsung Electronics367-4 Ass'y Control Out SH09BWHX : DB93-02740B SH12BWHX : DB93-02740A DB98_19047A(1)_2 4/21/04 2:27 PM Page 36

37Samsung ElectronicsExploded Views and Parts List Parts ListQ'TYNo. Code No. Description Specification1 DB93-01627A CASE CONTROL BASE ABS 5V 1 1

Samsung Electronics388. Block DiagramHEAT EXCHANGER SENSOROPERATIONTIMERTURBOINDOOR FAN MOTORBUZZERCOMPRESSOROUTDOOR FAN MOTOR4-WAY VALVESTEPPINGMOTOR

3Samsung Electronics2. Operating Instructions2-1 The Feature of Key in remote controlFUNCTIONBUTTONNo12345678Sleep button. The sleep timer can be used

39Samsung Electronics9. PCB Diagram9-1 Ass'y PCB Indoor Unit : DB93-02754A TOP DB98_19047A(1)_2 4/21/04 2:27 PM Page 39

Samsung Electronics40PCB Diagram BOTTOM DB98_19047A(1)_2 4/21/04 2:27 PM Page 40

41Samsung ElectronicsPCB Diagram Parts ListBD71 DIODE-BRIDGE DF06S,600V/1A 1BZ61 BUZZER-PIEZO CBE2220BPC,85dB 1C001 C-CERAMIC 102,2KV 1C101 C-AL 10uF,

Samsung Electronics42PCB Diagram Parts List (cont.)IC06,IC05 TR-ARRAY ULN2003D013TR,1W 2IC07 IC-EEPROM 93LC56,128x16Bit 1NTC1 THERMISTOR-NTC NTC-22ohm

43Samsung Electronics9-2 Ass'y PCB Outdoor Unit : DB93-02741B(9K)/DB93-02741A(12K) TOP DB98_19047A(1)_2 4/21/04 2:27 PM Page 43

Samsung Electronics44PCB Diagram Parts ListD102 DIODE 1N4937,600V/1A 1BD01 DIODE-BRIDGE GSIB2560 1C011,C010 C-CERAMIC 103,2KV 2C003,C004 C-CERAMIC 0.3

45Samsung ElectronicsPCB Diagram Parts List (cont.)IPM IPM FSAM15SM60A,*1LED1 LED 3mm/2.54,RED 1LED2 LED 3mm/2.54,GRN 1LED3 LED 3mm/2.54,YEL 1PT02 PUL

Samsung Electronics46PCB Diagram BOTTOM DB98_19047A(1)_2 4/21/04 2:27 PM Page 46

47Samsung ElectronicsPCB Diagram Parts ListC111,C801 C-CER,CHIP 1uF,2012 2C203,C421 C-CER,CHIP 1nF,50V,2012 2C401,C403,C405,C517 C-CER,CHIP 1.2nF,2012

Samsung Electronics48PCB Diagram Parts List (cont.)R453 R-CHIP 2.7K-F,1/8W,2012 1R501,R504 R-CHIP 5.1K-F,1/8W,2012 2R539,R540,R541 R-CHIP 2.2K-J,1/8W,

Samsung Electronics4Operating InstructionsFUNCTIONBUTTONNo9101112Timer Set/Cancel button. After setting On Timer or Off Timer, press the butt

49Samsung Electronics10. Wiring Diagram10-1 Indoor Unit(9K/12K)This Document can not be used without Samsung's authorization.Code No : DB98-16585

Samsung Electronics5010-2 Outdoor Unit(9K / 12K)This Document can not be used without Samsung's authorization.Code No : DB98-17635A DB98_19047A(1

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ELECTRONICSThis Service Manual is a property of Samsung Electronics Co., Ltd.Any unauthorized use of Manual can be punished under applicableInternatio

Operating Instructions5Samsung Electronics1. AUTO MODE : In this mode, operation mode(COOL,HEAT) is selected automatically by the differencebetween t

Operating InstructionsSamsung Electronics69. FLAP : BLADE-H is rotated vertically by the steppingmotor.*Flap Set : Press the button under the rem

7Samsung Electronics2-2 Replace PCB Model option2-2-1 Replace PCB model optionNoYesRemove power cordReplace the PCB moduleCheck the connection and plu

Samsung Electronics83. Disassembly and Reassembly3-1 Indoor UnitStop operation of the air conditioner and remove the power cord before repairing the u