Page 1: Service Manual
SYSTEM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Basic : CH44CA CH44CAX Model : CH140EAMC UH140GAMC CH105EAMC UH105GAMC CH070EAMC UH070EAMC CH052EAMC UH052EAMC CH094EAMC UH094EAM1C Model Code : CH140EAMC UH140GAMC CH105EAMC UH105GAMC CH070EAMC UH070EAMC CH052EAMC UH052EAMC CH094EAMC UH094EAM1C SERVICE Manual AIR CONDITIONER THE FEATURE OF PRODUCT ...
Page 2: Table Of Contents
Contents 11. Precautions ......................1-1 Installing the air conditioner ................. 1-2 Power supply and circuit breaker ................. 1-3 During operation ....................1-4 Disposing of the unit .................... 1-5 Others ......................... 12. Product Specifications ..................2-1 The Feature of Product ..................2-2 The abbreviated technology words &...
Page 3 Contents 9. Circuit Descriptions ....................9-1 PCB Circuit Descriptions ..................9-2 Refrigerating Cycle Diagram ................10. PCB Diagram 10-1 ....................... 10-1 Indoor PCB 10-1 ....................... 10-2 Outdoor PCB 10-3 ..................... 11. Operating Instructions 11-1 ..................11-1 Name of Each Part 11-1 ....................
Page 4: Precautions
>3mm.   Do not extend an electric cord to the air conditioner.  The air conditioner must be plugged in after you complete the installation.  No Tapping and No Extension Cords Samsung Electronics...
Page 5: During Operation
 Young children or infirm persons should be always supervised when they use the air conditioner.  Max current is measured according to IEC standard for safety.  Current is measured according to ISO standard for energy efficiency. Samsung Electronics...
Page 6: Product Specifications
ASSY EVAP / ASSY COND( Full name : Heat exchanger; A device, used to transfer heat from a fluid on oneside of assemble evaporator / assemble con- a barrier to a fluid on the other side without bringing the fluidsinto direct denser ) contact. Samsung Electronics...
Page 7: Product Specifications
2-3 Product Specifications CH052EAMC INDOOR UNIT CH140EAMC CH105EAMC CH070EAMC CH094EAMC MODEL OUTDOOR UNIT UH140GAMC UH105GAMC UH070EAMC UH052EAM C UH094EAM1C BTU/h 48,000 34,120 23,88 5 18,426 30,708 Cooling 14,000 10,000 7,000 5,400 9,000 Capacity BTU/h 52,800 36,510 24,567 20,473 32,414 Heating...
Page 8: The Comparative Specifications Of Product
Indoor Unit 29Kg 34Kg Net Weight Outdoor Unit 121Kg 123Kg Indoor Unit 298*840*840mm 288*840*840mm Outer Dimension (WxHxD) Outdoor Unit 1128*932*375mm 1240*930*385mm Indoor Unit 49dB 52dB Noise Outdoor Unit 67dB 62dB Air Purifying System Filter Anti-bacterial Filter Anti-bacterial Filter Samsung Electronics...
Page 9: Indoor Unit
DB72-00143E/ Insu Pipe Joint In 1/4 and 1/2 DB72-00143G Insu Pipe Joint Out 1/4 DB62-03439J Cable-tie DB65-10088C Indoor Drain hose DB94-01065A Unit Pad Stopper DB69-00165A Instruction manual DB98-26331A Installation manual DB98-26330A Safety net DB63-01480A M4x12 tapped Screw 6002-2000213 Samsung Electronics...
Page 10 Rubber Bracket Wire DB73-00218A Installation manual DB98-26328A 2-5-2 Accessories Wireless Remote Controller Accessories  Item Descriptions Code-No. Q'TY Remark Wireless remote controller DB93-00251G Battery DB47-90024A Remote control holder DB61-00204A STS 2S-2x10 tapped screw 6002-000581 Owner’s instructions DB98-05156A Installation manual DB98-05184A Samsung Electronics...
Page 11 STS 2S-2x10 tapped screw 2S-4x12 tapped screw Indoor Unit Owner’s instructions DB98-05160A Installation manual DB98-05186A Wire kit DB39-00223A Receiver & display unit DB93-01066A M4x16 tapped screw Cable-tie Standard type Owner’s instructions DB98-05160A Installation manual DB98-05186A Wire kit DB39-00223A Samsung Electronics...
Page 12 Q'TY Remark Wired remote controller DB93-01766C Cable-tie DB65-10088B Cable clamp DB65-10074E M4x16 tapped screw 6002-000474 Indoor unit power drawing cable DB39-00221A Communication cable of the DB39-00933A wired remote controller Wire joint DB39-90020A Owner’s instructions DB98-15731A Installation manual DB98-15770A Samsung Electronics...
Page 13 DB65-10074E M4x16 tapped screw 6002-000474 Owner’s instructions DB98-12721A Owner’s instructions DB98-12722A Function Controller Accessories  Item Descriptions Code-No. Q'TY Remark Function controller DB93-00757G Cable-tie DB65-10088B Cable clamp DB65-10074E M4x16 tapped screw 6002-000474 Owner’s instructions DB98-05164A Owner’s instructions DB98-05190A Samsung Electronics...
Page 14 Transmitter Accessories   Item Descriptions Code-No. Q'TY Remark Transmitter Transmitter power cable Transmitter communication cable Installation manual 7-day Scheduler Accessories  Item Descriptions Code-No. Q'TY Remark 7-day Scheduler Cable-tie Cable clamp M4x16 tapped screw Owner’s instructions Installation manual Samsung Electronics...
Page 15: Alignment And Adjustments
6.Compressor down due to 6'th detection of freezing Detection of the float switch Error of setting option switches for optional accessories Flickering  If you turn off the air conditioner when the LED is flickering, the LED is also turned off. Samsung Electronics...
Page 16: Led Display
If you turn off the air conditioner when the LED is flickering, the LED is also turned off. OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL CH140EAMC CH105EAMC CH070EAMC CH052EAMC CH094EAMC Samsung Electronics...
Page 17 (when it is detected more than once) Wired remote controller Error of communication between the indoor unit and the wired errors remote controller Master wired remote controller Slave wired remote controller COM1/COM2 Cross-installed error Error of setting option for wired remote controller COM2 Samsung Electronics...
Page 18: Setting Option Setup Method
Push the button to set the display panel to Every time you push the button, the display panel reads    . . .        repeatedly. Samsung Electronics...
Page 19: Samsung Electronics
If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
Page 20: Disassembly And Reassembly
- Dust-Collecting Filter 2) Disassembly of Front Grille. (1) Open the Front Grille at about 45˚ degrees and draw it forward. (2) Disassemble the Safety Clip. 3) Filter Disassembly (1) Draw the Dust-Collecting Filter forward. (2) Disassemble the Filter. Samsung Electronics...
Page 21 4) Open the corner cover slowly to disas- semble it. (There are three hooks.) 5) Pull the corner cover forward carefully by using two hands. 6) Loosen four bolts of the front panel slowly. 7) Loosen four screws of the safety net to disassemble it. Samsung Electronics...
Page 22 -Stepping motor connector. -Receiving & display unit connector wire. 10) Hold on two hooks on both sides of the indoor unit and disassemble the Front Panel. 11) Take away the disassembled Panel out of the main body. Samsung Electronics...
Page 23 Cable Fan& Motor 1) Disassemble the Fan Motor Wire Connector, Thermistor Wire Connector, Drain Pump Wire Connector and Float Switch Wire Connector. 2) Loosen four screws in the mark 3) Disassemble the Base Control from the main body. Samsung Electronics...
Page 24 * At first, there are 2 bolts per one corner and when reassembly, there should be at least 1 bolt per one corner fastened. * 2 Bolts per one corner recommended.. 6) Disassemble the Drain Cushion from the main body. 7) Loosen the nut Samsung Electronics...
Page 25 Disassembly and Reassembly Parts Procedure Remark 8) Take out the Washer. 9) Lift the Fan to disassemble from the Motor. 10) Loosen the screw and disassemble the Motor Connector to disassemble Motor. 11)Loosen four screws in the mark Samsung Electronics...
Page 26 2) Loosen the 3 bolts to disassemble the Drain Pump from the main body. Heat Exchanger 1) Loosen 2 screws to disassemble the Cover Pipe beside the main body. 2) Loosen two screws fixing the Holder Evap to disassemble the Heat Exchanger. Samsung Electronics...
Page 27 1) Loosen two screws to disassemble the (PCB Part) Cover PCB. 2) Loosen the screw fixing the PCB to dis- assemble it. 3) Disassemble the PCB Wire from the PCB. 4) Disassemble the Button PCB from the PCB. Samsung Electronics...
Page 28 Side. (There are 4 Cover Side.) 2) Draw two hooks then lift up the Cover Side. 3) Disassemble the Stepping Motor Wire Connected. 4) Disassemble the Stepping Motor from the Panel Front. 5)Disassemble the link and bracket from the Stepping Motor. Samsung Electronics...
Page 29: Outdoor Unit
6) Disassemble the Cabinet Front.  Check whether each part is fixed to the electronic connector firmly at the time of part assembly. Fan Motor & 1) Loosen the blot fixing the Propeller Fan. Propeller Fan 2) Disassemble the Fan. Samsung Electronics 4-10...
Page 30 Check whether each part is fixed to the electronic connector firmly at the time of part assembly. Fan Motor & 1) Loosen the blot fixing the Propeller Fan. Propeller Fan 2) Disassemble the Fan. Note The above pictures are only references Samsung Electronics 4-11...
Page 31: Exploded Views And Parts List
5. Exploded Views and Parts List 5-1 Indoor Unit 18-5 18-2 18-4 18-1 18-3 Samsung Electronics...
Page 32 BRACKET-FLOAT SWITCH HIPS DB61-02349A CLIP BRUSH NYLON 66 DB90-02693A ASSY CUSHION BASE ASSY,EPS,V0 DB31-00364A MOTOR FAN BLDC DB94-01059A ASSY BRACKET MOTOR ASSY DB39-01259A CONNECT WIRE ASSY DB32-00169A THERMISTOR ASSY DB94-01065A ASSY DRAIN HOSE ASSY DB90-02689A ASSY CABINET-BASE ASSY,SGCC-M Samsung Electronics...
Page 33 Exploded Views and Parts List  Parts List(CH070/052/094EAMC) Q’TY CODE NO. Description Specification SA/SNA CH070EAMC CH052EAMC CH094EAMC DB90-02694A ASSY-GUARD SAFETY CH140EAMC,SSEC DB63-01481A COVER-CONTROL CH140EAMC,ABS DB93-04120A ASSY- MAIN PCB CH140EAMC DB93-04119B ASSY POWER PCB CH105EAMC DB93-05254A ASSY CONTROL IN ASSY DB61-03092A...
Page 34: Panel
5-2 Panel Samsung Electronics...
Page 35: Parts List
HIPS(BLK) DB63-01489A Cover Side D HIPS(BLK) DB64-01558A INLAY PCB DB64-01559A Button PCB DB69-01419A Cushion In EPS, 25 DB69-01420A Cushion Out EPS, 25 DB61-02704A Bracket Stepping Motor SGCC-M, T1.0 DB61-02705A Plate Hanger STS304, T0.5 DB93-04220A Assy PCB Display ASSY Samsung Electronics...
Page 36: Outdoor Unit
5-3 Outdoor Unit UH140GAMC 20-3 20-4 20-2 20-1 20-5 20-6 Samsung Electronics...
Page 37 BOARD,-,RING TERMINAL,250V 20-3 DB65-40062L TERMINAL BLOCK 25A,39x29x39,-,2P 20-4 DB26-10070F TRANS DC17,AC230,-,-,-,DC17,DC0.6A 20-5 2301-001367 C-FILM,LEAD-OTHER 6000nF,+10-5%,450V,BK,58x25x40mm 20-6 DB35-00049A RELAY XMCO-253LBBC,25A DB61-01855A BRACKET-MOTOR UH140GZMC,SGCC-M,T1.6 DB90-01589A ASS’Y CABINET BACK-RH UH140GZMC,SSEC DB93-02919P ASS’Y PCB UH140GAMC DB97-02613A ASS’YBRACKET-VALVE ASS’Y,SGCC-M,T1.6,SSEC DB61-01857A BRACKET WIRE UH140GZMC,SECC-P,T0.8 Samsung Electronics...
Page 38 Exploded Views and Parts List Operating Instructions and Installation UH105GAMC Samsung Electronics...
Page 39 ASSY VALVE EXPANSION UH105GAMC,SSEC DB99-00835A ASSY VALVE 4WAY UH105GAMC,SSEC Scroll compressor,380- DB95-00861A ASSY COMP 415V,50HZ,3phase,R410A DB99-00539C ASSY-CABI BASE PART UH105GZMC,SSEC DB90-01638A ASSY CABINET BACK-RH UH105GZMC,SSEC DB95-00564D ASSY HEATER-COMP DC30ET,BAC,220V/40W DB93-02919Q ASSY-OUTDOOR MAIN PCB UH105GAMC, OUTDOOR MAIN DB70-00163A PLATE-COND MH18VA1,SGCC-M, ,T0.8 Samsung Electronics...
Page 40 Exploded Views and Parts List UH052/070EAMC 10-8 10-6 10-1 10-3 10-5 10-7 10-4 10-2 16-1 5-10 Samsung Electronics...
Page 41 UH070EAMC,SSEC 16-1 DB97-02689A ASSY-SOLENOID VALVE ASSY DB96-07211A ASSY-VALVE EXPANSION UH052EAMC,SSEC DB96-06869A ASSY-VALVE EXPANSION UH070EAMC,SSEC 17-1 DB62-02567K VALVE EXPAN-COIL RVPC035B2M3 DB63-00692A GUARD COND W1-PJT,SECC-P,T=1.6 DB61-00821B GUIDE-SCREEN T2.5,1025,600,BLK DB96-06018D ASSY COND UH052EAMC,SSEC DB96-06989A ASSY COND UH070EAMC,SSEC DB61-30276A BRACKET-HOLDER SGCC-M,Z,T0.8 5-11 Samsung Electronics...
Page 42 Exploded Views and Parts List ■ UH094EAM1C 10-8 10-6 10-1 10-3 10-5 10-7 10-4 10-2 17-1 18-1 5-12 Samsung Electronics...
Page 43 AP-L2340,P.E.H 100%,T2.5,1025,770,BLK,- DB63-00691A GUARD FAN AP-SR2370,HSWR,,,,SC-90073T,460 FAN 3u DB96-04497A ASS'Y COND UH094EAMC,- DB70-00163A PLATE-COND MH18VA1,SGCC-M, ,T0.8, ,-, ,-,MULTI-INVERTER DB96-03814B ASS'Y COLLECTOR ASS'Y COLLECTOR IN,,HEAT PUMP DB96-03815B ASS'Y DISTRIBUTOR ASS'Y DISTRIBUTOR OUT,HEAT PUMP DB90-00887F ASS'Y BASE OUT UH094EAMC,SSEC 5-13 Samsung Electronics...
Page 44: Ass'y Control In
5-4 Ass'y Control In CH140EAMC : DB93-04137A Samsung Electronics 5-14...
Page 45 14 DB39-01251B CONNECT WIRE ,UL1007 AWG#22,-,2P,350,BLU,-,YH396-02V,GP140078 15 DB39-01251C CONNECT WIRE UL1007 AWG#22,-,2P,170,WHT,-,VH-2Y,ST710389-3 16 DB39-01252A CONNECT WIRE UL1007 AWG#18,-,3P,200,WHT,-,YH396-03V,YH396-03V 17 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 18 DB31-40005A CORE NI-ZN,18,BNF-18 19 DB93-01469U ASSY-NOISE ABSORBER 220nF*2,250V,L800 20 DB39-01276A LEAD CONNECTOR 200,GRN/YEL,18,ST710095-03 Samsung Electronics 5-15...
Page 46 Exploded Views and Parts List CH105EAMC : DB93-04376A 5-16 Samsung Electronics...
Page 47 CH105EAMC,AWG 22,UL1007,2,470,RED, BLU,22 14 DB39-01251B CONNECT WIRE ,UL1007 AWG#22,-,2P,350,BLU,-,YH396-02V,GP140078 15 DB39-01251C CONNECT WIRE UL1007 AWG#22,-,2P,170,WHT,-,VH-2Y,ST710389-3 16 DB39-01252A CONNECT WIRE UL1007 AWG#18,-,3P,200,WHT,-,YH396-03V,YH396-03V 17 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 18 DB31-40005A CORE NI-ZN,18,BNF-18 19 DB39-01276A CONNECT WIRE GROUND CH140EAMC,UL1015 AWG#18,-,-,200,GRN/YEL Samsung Electronics 5-17...
Page 48 Exploded Views and Parts List CH052/070/094EAMC : DB93-05254A 5-18 Samsung Electronics...
Page 49 13 DB39-01251D CONNECT WIRE CH105EAMC,AWG 22,UL1007,2,470,RED, BLU,22 14 DB39-01251B CONNECT WIRE ,UL1007 AWG#22,-,2P,350,BLU,-,YH396-02V,GP140078 15 DB39-01251C CONNECT WIRE UL1007 AWG#22,-,2P,170,WHT,-,VH-2Y,ST710389-3 16 DB39-01252A CONNECT WIRE UL1007 AWG#18,-,3P,200,WHT,-,YH396-03V,YH396-03V 17 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 18 DB39-01276A CONNECT WIRE GROUND CH140EAMC,UL1015 AWG#18,-,-,200,GRN/YEL Samsung Electronics 5-19...
Page 50: Ass'y Control Out
Exploded Views and Parts List 5-5Ass'y Control Out UH140GAMC : DB93-04138A 5-20 Samsung Electronics...
Page 51 BLOCK COVER A 40*28*T1 BLOCK COVER B 40*44*T1 BLOCK COVER C 46*57*T1 DB73-00099B RUBBER MAGNET-S/W DVM OUTDOOR,CR DB39-00885A CONNECT WIRE-CCH UH035EAM,YH396-03AV,SMH601-01 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 DB31-40005A CORE NI-ZN,18,BNF-18 DB93-01469S ASSY PCB-NOISE ABSORBER EH140EAMC,220nF*2,275V DB93-01469T ASSY-NOISE ABSORBER UH140GZMC,2.2nF*2,400V 5-21 Samsung Electronics...
Page 52 Operating Instructions and Installation Exploded Views and Parts List UH105GAMC : DB93-04375A Samsung Electronics 5-22...
Page 53 LABEL BAR CODE W170,L115,FOR PACKING CASE BLOCK COVER A 40*28*T1 BLOCK COVER B 40*44*T1 BLOCK COVER C 46*57*T1 DB73-00099B RUBBER MAGNET-S/W DVM OUTDOOR,CR DB39-00885A CONNECT WIRE-CCH UH035EAM,YH396-03AV,SMH601-01 6501-000123 CABLE TIE DACT-140,-,W3.6,L146,NTR,NYLON66 DB31-40005A CORE NI-ZN,18,BNF-18 DB93-01469S ASSY PCB-NOISE ABSORBER EH140EAMC,220nF*2,275V Samsung Electronics 5-23...
Page 54 Exploded Views and Parts List UH052/070EAMC : DB93-04731B/DB98-04731A Samsung Electronics 5-24...
Page 55 SGCC-M,T0.8 DB68-02809A E-PASS DB73-20126C RUBBER-CLAMP DB73-00219A RUBBER-PCB DB73-30038A BUSH-CONDENSER NR,BLK DB73-00288A RUBBER MAGNET-S W CR,V0 DB39-20469C CONNECT WIRE-GROUND AWG18,L120 DB98-16209A ASSY-CAUTION ART90 DB98-14053C ART90 ASSY-LABEL CAUTION DB62-02876B INSU STOP 30*20*T10,PEB-2 DB31-40005A CORE BNF-18 DB62-02840D INSU CONTROL FOAM-PU Samsung Electronics 5-25...
Page 56: Electrical Parts List
0501-002296 MMST2907A,PNP,200MW,SMT3,TP,100-3 Q602 TR-DIGITAL 0504-000001 DTA114EKA,PNP,200MW,10K/10K,SOT- Q901,Q902,Q904~910 23,TP R-CHIP 2007-001074 6.8ohm,5%,1/8W,TP,2012 R101 R-CHIP 2007-000023 120ohm,5%,1/8W,TP,2012 R10~12 R-CHIP 2007-001118 680ohm,5%,1/8W,TP,2012 R103 R-CHIP 2007-000468 1Kohm,5%,1/8W,TP,2012 R104 R-CHIP 2007-000944 47Kohm,5%,1/4W,TP,3216 R201~208 R-CHIP 2007-000468 1Kohm,5%,1/8W,TP,2012 R210,R211,R221,R350/ R504,R506,R602,R604/ R610,R902 R-CHIP 2007-001067 6.8Kohm,1%,1/8W,TP,2012 R401~403 Samsung Electronics...
Page 57 DB41-00490A 60209A1 C-AL 2401-000345 100uF,20%,450V,GP,TP,25x31, C101 CONNECTOR-HEADER 3711-005716 SMW200-10,BLK CN10 CONNECTOR-HEADER 3711-000177 YW396-02V,RED CN31 CONNECTOR-HEADER 3711-000178 YW396-02V,WHT CN32 CONNECTOR-HEADER 3711-000176 YW396-02V,BLU CN33 CONNECTOR-HEADER 3711-000940 SMW250-04,WHT CN41 CONNECTOR-HEADER 3711-000015 SMW250-02,WHT CN42 CONNECTOR-HEADER 3711-000798 SMW250-02,YEL CN43 CONNECTOR-HEADER 3711-000794 SMW250-02,BLK CN51 Samsung Electronics...
Page 58 1103-001175 93LC56,128x16,SOP,8P,5x4mm,2.5/ IC51 6.0V,-40 PHOTO-COUPLER 0604-000117 TR,130-260%,200mW,DIP-4,ST PC01,PC501,PC502 PHOTO-COUPLER 0604-001003 TR,50-150%,200mW,DIP-4,ST PC02 RELAY-MINIATURE 3501-001248 G6S-2,12V,-,11.7MA,DPDT,4MS,4MS RY01 SWITCH-ROTARY 3406-001098 240V AC,25A,6P(10C),L14mm SW01,SW02 SWITCH-DIGITAL DB34-00009A PT65 103,ROTARY DIP,-,DC24V SW03,SW04 Max,0. R-METAL OXIDE(S) 2003-002246 620ohm,5%,1W,AA,TP,2.4X6.4MM R102 R-METAL OXIDE 2003-000448 100Kohm,5%,2W,AA,TP,4.3x12mm R107,R108 Samsung Electronics...
Page 59 ULN2003 IC05~IC07 DRIVER HEAT SINK DB62-03085A A6063,25,15,15 IC01 SCREW TAPPING 6002-000630 MSCPHTT3*8 LED DISPLAY-7SEG DB07-00054A CSD-322GLH DIS1,DIS2 NOISE FILTER DB27-00022A JL2510-0008,8mH,5A FT71 C-FILM 2301-001220 100nF,10%,275V,BK,18*6*12,15 XC71,XC72 RELAY-MINIATURE 3501-001154 PCJ-112D3M,12VDC,3A RY71 RELAY-MINIATURE 3501-001163 CS11-12SH RY72,RY73,RY74,RY75 VARISTOR 1405-000147 TVR14471,470V,4500A VA72,VA73 Samsung Electronics...
Page 60 MAX,0.4VA,50MOHM IC MICOM DB09-00391A MB89538AP-101,64P,+5V,10MHz,STM-0333-BC IC04 IC-POSI.FIXED REG. 1203-000243 KA7812A,T0-220,3P,-,PLASTIC,11.5/12.5V 16W IC01 IC-POSI.FIXED REG. 1203-000274 KA7805A,3P,-,PLASTIC,4.8/5 IC02 IC-VOLTAGE COMP. 1202-000001 KA7533,TO-92,3P,-,SINGLE,-,-,PLA IC03 POSISTOR DB47-00016A DSA-332MA,2pF MAX,100MOhm,ASM-3500 DS71 DIODE-TVS 0406-001109 SAC5.0,7.6/-/-V,500W,DO-15 CD31,CD32 2 R-METAL OXIDE 2003-002114 200Kohm,5%,2W,AA,TP,4x12mm R507~R512 6 Samsung Electronics...
Page 61 3601-000297 250V,5A,TIME-LAG,GLASS,5x20mm F701 FUSE 3601-001308 250V,1.6A,TIME-LAG,PLASTIC F101 IC-DARLINGTON 0506-000180 ULN2003 IC05~IC07 DRIVER HEAT SINK DB62-03085A A6063,25,15,15 IC01 SCREW TAPPING MSCPHTT3*8 LED DISPLAY-7SEG DB07-00054A CSD-322GLH DIS1,DIS2 NOISE FILTER DB27-00022A JL2510-0008,8mH,5A FT71 C-FILM 2301-001220 100nF,10%,275V,BK,18*6*12,15 XC71,XC72 RELAY-MINIATURE 3501-001154 PCJ-112D3M,12VDC,3A RY71,RY76,RY77 Samsung Electronics...
Page 62 MB89538AP-101,64P,+5V,10MHz,STM-0333-BC,- IC04 ,8BIT,STICK,DIP,750M IC-POSI.FIXED REG. 1203-000243 KA7812A,T0-220,3P,-,PLASTIC,11.5/12.5V IC01 16W,0to+125,1A,ST IC-POSI.FIXED REG. 1203-000274 KA7805A,3P,-,PLASTIC,4.8/5 IC02 IC-VOLTAGE COMP. 1202-000001 KA7533,TO-92,3P,-,SINGLE,-,-,PLA IC03 POSISTOR DB47-00016A DSA-332MA,2pF MAX,100MOhm,ASM-3500 DS71 DIODE-TVS 0406-001109 SAC5.0,7.6/-/-V,500W,DO-15 CD31,CD32 FUSE HOLDER DB61-00924A FH-51B F701 R-METAL OXIDE 2003-002114 200Kohm,5%,2W,AA,TP,4x12mm R507~R512 Samsung Electronics...
Page 63 2203-000192 100nF,+80-20%,50V,Y5V,2012 C401~C404 C-CER,CHIP 2203-000192 100nF,+80-20%,50V,Y5V,2012 C503~C505 C-CER,CHIP 2203-000192 100nF,+80-20%,50V,Y5V,2012 C801~C804 C-CER,CHIP 2203-000192 100nF,+80-20%,50V,Y5V,2012 C905~C907 C-CER,CHIP 2203-000192 100nF,+80-20%,50V,Y5V,2012 C202 C-CER,CHIP 2203-001562 10nF,+80-20%,50V,Y5V,2012 C301 C-CER,CHIP 2203-001562 10nF,+80-20%,50V,Y5V,2012 C901~C904 C-CER,CHIP 2203-001562 10nF,+80-20%,50V,Y5V,2012 XC71 C-FILM,LEAD-PPF 2301-001220 100nF,10%,275V,BK,18x6x12,15 XC72 C-FILM,LEAD-PPF 2301-001220 100nF,10%,275V,BK,18x6x12,15 Samsung Electronics...
Page 64 PT65 103,ROTARY DIP,-,DC24V Max,0.4VA,50mOhm Max,- ,BULK,10mm*10mm BARE BOARD PBA LOGIC BOARD DB41-00304A UNI DPM OUT,-,FR-1 ,T-1.6 DS71 POSISTOR DB47-00016A DSA-332MA,2pF MAX,100MOhm,ASM-3500 F701 HOLDER-FUSE DB61-00924A FH-51B,SSEC HEAT SINK HEAT SINK DB62-03085A A6063,25,15,15,SSEC LABEL LABEL BAR CODE DB68-02809A W170,L115,FOR PACKING CASE Samsung Electronics...
Page 65 100nF,+80-20%,50V,Y5V,2012 C201 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C302~C308 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C401~C404 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C503~C505 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C801~C804 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C905~C907 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,2012 C202,C301 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,2012 C901~C904 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,2012 XC71 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 Samsung Electronics 6-10...
Page 66 PT65 103,ROTARY DIP,-,DC24V Max,0.4VA,50mOhm Max,- ,BULK,10mm*10mm,straight BARE BOARD DB41-00304A PBA LOGIC BOARD UNI DPM OUT,-,FR-1 ,T-1.6 DS71 DB47-00016A POSISTOR DSA-332MA,2pF MAX,100MOhm,ASM-3500 F701 DB61-00924A HOLDER-FUSE FH-51B,SSEC HEAT SINK DB62-03085A HEAT SINK A6063,25,15,15,SSEC LABEL DB68-02809A LABEL BAR CODE W170,L115,FOR PACKING CASE 6-11 Samsung Electronics...
Page 67 L A B E L B A R C O D E W 1 7 0 ， L 1 1 5 D B 6 8 -0 2 8 0 9 A SWITCH- DI GITAL RS32314 D B 3 4 -0 0 0 0 9 A SW 1 Samsung Electronics 6-12...
Page 68 IC -V OLT AG E C OMP . 1202-000001 IC 03 ,S ING LE ,-,-,P LA DS A-332MA,2pF P OS IS T OR DB 47-00016A DS 71 MAX,100MOhm,AS M-3500 S AC 5.0,7.6/-/-V ,500W ,DO- DIODE -T V S 0406-001109 C D31,C D32 6-13 Samsung Electronics...
Page 69: Wiring Diagram
7. Wiring Diagram 7-1 Indoor Unit   CH140EAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 70 Wiring Diagram   CH105EAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 71 Wiring Diagram   CH052/070/094EAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 72: Outdoor Unit
Wiring Diagram 7-2 Outdoor Unit   UH140GAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 73 Wiring Diagram   UH105GAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 74 Wiring Diagram   UH052/070EAMC This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 75 Wiring Diagram   UH094EAM1C This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 76 MEMO Samsung Electronics...
Page 77: Schematic Diagram
8. Schematic Diagram 8-1 Indoor Unit This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 78: Outdoor Unit
8-2 Outdoor Unit Samsung Electronics...
Page 79 9. Circuit Descriptions 9-1 PCB Circuit Descriptions INDOOR UNIT C110 Voltage between two ends DC5V C107 Voltage between two ends DC12V C104 Voltage between two ends DC15V C101 Voltage between two ends DC310V POWER(AC220V) Samsung Electronics...
Page 80 Circuit Descriptions OUTDOOR UNIT Samsung Electronics...
Page 81 Amount of refilling per extension length of 1mm; when extending the pipe length by more   than 7.5m, "A" g of R410 , refrigerant should be refilled per extension length of 1m. Model "A" g UH140GAMC UH105GAMC UH070EAMC UH052EAMC UH094EAM1C Samsung Electronics...
Page 82 Power in step motor Display operation check Micon download SUB PCB connector Wire Remote Controller Power Indoor/Outdoor Communication BLDC MOTOR Wired Remote Controller Communication Thermistor Discharge EVA out sensor Indoor Pipe in Temperature Sensor Indoor Room Temperature Sensor Samsung Electronics 10-1...
Page 83 External control(SMW250-02,RED) Power in(YW396-03AV,WHT) step motor(SMW250-10,WHT) Display(SMW200-09,WHT) operation check(SMW250-04,RED) Micon download(SMW200-10,BLK) SUB PCB connector(SMW250-05,YEL) Wire Remote Controller Power(YW396-02V,WHT) BLDC MOTOR: YW396-06AV(WHT) Indoor/Outdoor Communication(YW396-02V,RED) Wired Remote Controller Communication(YW396- 02V,BLU) Indoor Pipe in Temperature Sensor Indoor Room Temperature Sensor(SMW250-04,WHT) Samsung Electronics 10-2...
Page 84 Main Power In Transmitter Power(12V) Outdoor Fan 1 Discharge Temperature Sensor Outdoor Fan 2 Outdoor Temperature Sensor Compressor Output Outdoor Pipe Temperature Sensor 4-Way Valve Output Low Pressure S/W Bypass Communication Transformer In Transformer Out 3 Phase Check 10-3 Samsung Electronics...
Page 85 Outdoor Temperature Sensor : SMW250-04(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) 4-Way Valve Output : YW396-03AV(YEL) 3 Phase Check : YW396-05AV(YEL) Bypass : YW396-03AV(WHT) Communication : YW396-02V(RED) Low Pressure S/W :YW396-02AV,YEL Transformer Out : SMW250-03(RED) Samsung Electronics 10-4...
Page 86 Low Pressure S/W :YW396-02AV,YEL Outdoor Temperature Sensor : SMW250-04(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) 4-Way Valve Output : YW396-03AV(YEL) 3 Phase Check : YW396-05AV(YEL) Bypass : YW396-03AV(WHT) Communication : YW396-02V(RED) Transformer Out : SMW250-03(RED) 10-5 Samsung Electronics...
Page 87 Discharge Temperature Sensor : SMW250-02(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Temperature Sensor : SMW250-04(WHT) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) Outdoor Fan 1 : YW396-05AV(WHT) Main Power In : YW396-07AV(WHT) Communication : YW396-02V(RED) GROUND : YDW236-01(WHT) Transformer Out : SMW250-03(RED) Samsung Electronics 10-6...
Page 88 Discharge Temperature Sensor : SMW250-02(WHT) Compressor Output : YW396-03AV(BLK) Outdoor Temperature Sensor : SMW250-04(WHT) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) Outdoor Fan 1 : YW396-05AV(WHT) Main Power In : YW396-07AV(WHT) Communication : YW396-02V(RED) GROUND : YDW236-01(WHT) Transformer Out : SMW250-03(RED) 10-7 Samsung Electronics...
Page 89 MEMO Samsung Electronics 10-8...
Page 90 11. Operating Instructions 11-1 Name of Each Part 11-1-1 Indoor Unit Air flow blades(outlet) Air inlet Air filter(under the grille) Filter Sign indicator Fan indicator Timer indicator Removing frost indicator On/Off indicator On/Off button Remote control sensor 11-1 Samsung Electronics...
Page 91 Operating Instructions 11-1-2 Outdoor Unit UH140GAMC Air Inlet(Rear) Air Outlet Connection Valve Samsung Electronics 11-2...
Page 92 3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. 11-3 Samsung Electronics...
Page 93 Possible temperatures are between 16˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed :   Automatic (rotated : Medium High Samsung Electronics 11-4...
Page 94 2. To select the FAN mode, press the button until is displayed at the top of the wireless remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High 11-5 Samsung Electronics...
Page 95: Wired Remote Controller
3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. Samsung Electronics 11-6...
Page 96 Possible temperatures are between 18˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed : Automatic(rotated :   Medium High 11-7 Samsung Electronics...
Page 97 2. To select the FAN mode, press the button until is displayed at the top of the wired remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High Samsung Electronics 11-8...
Page 98 Air flow direction Swing button On Timer setting On Timer button Off Timer setting Off Timer button Battery discharge indicator On/Off & Timer Set/ Cancel button Note : • After cleaning the air filter, press the button. 11-9 Samsung Electronics...
Page 99 You must not press it. • After cleaning the air filter, press the button. Then the wired remote controller will display the Filter Sign indicator when the time to clean the air filter. Samsung Electronics 11-10...
Page 100 Counts of Indoor 10 11 12 13 14 15 Unit Installation Numbers of the switch  Example : When the installed indoor unit is one, control the arrow of switch forward to ‘0’ or ‘1’ as figure. 12-1 Samsung Electronics...
Page 101: Setting Up Option Switches
Adding refrigerant at Adding refrigerant at Displays data Reset heating mode cooling mode Test operation at Test operation at heating mode cooling mode Pump Down for recovery of refrigerant  Use the K1 only for heat pump models. Samsung Electronics 12-2...
Page 102 (when it is detected more than once) Wired remote controller Error of communication between the indoor unit and the wired errors remote controller Master wired remote controller Slave wired remote controller COM1/COM2 Cross-installed error Error of setting option for wired remote controller COM2 12-3 Samsung Electronics...
Page 103 5. Error of reverse phase 6. Compressor down due to 6'th detection of freezing Detection of the float switch Error of setting option switches for optional accessories EEPROM error EEPROM option error : On : Flickering : Off Samsung Electronics 12-4...
Page 104 G4  G5  E3  qx  rx  vx  K1, K2, K3, K4, K5 - In case that the same error displays from multi-indoor units, the one having the faster address has the priority. 12-5 Samsung Electronics...
Page 105 K4 3 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-6...
Page 106 K4 2 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by one of K2 Reoperation after PCB replacement 12-7 Samsung Electronics...
Page 107 K4 1 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-8...
Page 108 PCB, and find the indoor unit preventing communication through connecting the communication connectors each by each, and then replace the indoor unit PCB after line check. Good +0.7V -0.7V 12-9 Samsung Electronics...
Page 109 PCB after line check Samsung Electronics 12-10...
Page 110 PCB about AC220V? Does the water level decrease? Replace the drain pump Replace the indoor unit PCB Normal operation Replace the drain pump Note : E3 error should be released when indoor unit power is reset. 12-11 Samsung Electronics...
Page 111: Fan Error
4) Is the resistance value of sensor connection pull_up correct? Troubleshooting procedure Remove the Fan lock. Isn’t the Fan locked? Is the connector connected correctly? Connect the connector. Is the color of Fan wire matched correctly? Exchange the Fan. Exchange the PCB. Normal operation Exit Samsung Electronics 12-12...
Page 112: Compressor Start Error
Is the interphase resistance value of com- Exchange the compressor. pressor (UV,VW,WU) normal? Is the compressor body and interphase resis- Exchange the compressor. tance insulated? Is the connection cable for thecompressor Correct the cable connection. and power terminal normal? Exchange the PCB. 12-13 Samsung Electronics...
Page 113: Compressor Lock Error
Is the interphase resistance value of com- Exchange the compressor. pressor (UV,VW,WU) normal? Is the compressor body and interphase Exchange the compressor. resistance insulated? Is the connection cable for the compres- Correct the cable connection. sor and power terminal normal? Exchange the PCB. Samsung Electronics 12-14...
Page 114 When the voltage descends below 3V, the assembly module PCB is normal and the main PCB is poor. Then replace the main PCB. Replace the assembly display PCB because the module PCB is poor if the voltage between No. 15~16 of CN91 maintains 5V after the remote control starts operation. 12-15 Samsung Electronics...
Page 115: Block Diagram
Setting S/W Room Temperature 4-Way Valve Pipe Temperature Sensor Control part MICOM Sensor Control Part Outdoor Load 3 Phase 3 Phase Input Control Part Check part Power Supply Communication Room/Pipe/Discharge Part Part 1 Temperature Sensor Indoor Communication Central Control Samsung Electronics...
Page 116: Reference Sheet
Unit Buint-in Refrigerant Ceiling - R-22 Console R407C R410A Split Universal Outdoor Unit(DPM) U Power Supply Normal 115V,60Hz 220V,60Hz Mode 208~230V,60Hz 200~220V,50Hz 220~240V,50Hz H/P+Heater 220V,60Hz,3Φ C/O+Heater 380~415V,50Hz,3Φ C/O+Hydronic 127V, 50Hz 220~240V,50/ 60Hz,1Φ 380V,60Hz,3Φ Inverter 1Φ Inverter 3Φ 14-1 Samsung Electronics...
Page 117: Pressure Graph
0.10197 0.73756 4.1868 14.286 0.0056146 0.42693 3.088 1.163 0.27778 3.9683 0.0015596 0.11859 0.85778 3.9302x10 -4 0.29307 0.06999 0.252 0.029885 0.21616 745.7 178.11 641.19 2,544.4 76.04 9.8067 2.3423 8.4322 33.462 0.013151 7.233 1.3558 0.32383 1.1658 4.6262 0.0018182 0.13826 Samsung Electronics 14-2...
Page 118: Q & A For Non-Trouble
It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems.
Page 119 Also, the remote controller may not work under intensive light from a 3-wave length lamp or a neon sign due to the EMI. In this case, take the remote controller closer to the receiver. Samsung Electronics 14-4...
Page 120 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
Page 121: Cleaning/Filter Change
5. When you have finished, insert the filter into the unit. 6. Clean the outdoor unit with a vacuum cleaner or a brush once a month. Note : • After cleaning the air conditioner, press the Filter Reset button. Wireless Remote Controller Wired Remote Controller Samsung Electronics 14-6...
Page 122: Installation
Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws.  Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. 14-7 Samsung Electronics...
Page 123: Installation Diagram Of Indoor Unit And Outdoor Unit
183kgf•cm with a torque wrench. (gas) (liquid) 7) Check for gas leakage. - At this time, especially check for gas leakage from the 3 way valve’s stem nuts, and from the service port cap. Samsung Electronics 14-8...
Page 124: Pump Down" Procedure
• Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. • Remove the mounting plate for the indoor unit and move it to a new location. 14-9 Samsung Electronics...
Page 125 MEMO Samsung Electronics 14-10...
Page 126 Mideast & Africa http://mea.samsungportal.com © Samsung Electronics Co., Ltd. July . 2007. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in China. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

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