Single Packaged Air Conditioner
Contents
1. DC 5 RO4H2 ROSH S R06H be eg EN CN_RETURN_AIR ue RO7H K i9 12 ROBH IK Tx gone Inr CN B CYCLE 7 E re had ROSH AK PSZ AN RYS_CCOMPCB 1 e S 2 5 P72 6 RY4 XCUMPCAD 7 2 4 5 CN_A CYCLE KEN 4 P73 PES ANS Cra S 4 RUHK 4 t Ppor 5 P 5 MICOM E I 87CH40N RY7 GPRG Stag 516 ml md 5 L PX Spa Pe 7 PEZAN CN TEMP OUT I acon zy PSAN P77 RYi cOweS ECONXOPEN S 10 qi 8 56 Peto 7 Poo M1 CN_PHASE RYI2 FANDUT B S 1245 ul To AUTE ac sy vii gt f Shalt o Lem CN_THMOSTATS res 2 EN 15 412 Pos 13 iis coza gt 1512162122922 Hn S Ce ege ms Ha 10uF S0V 21915 e e H9 ec s HEATCAD gt lt AREF p coes Ca 1 55 ac AA js AE s 19 np m b Tone Ea ds 8 55 m e AX P53 TX DUTDQOR pra Ras L AAT i 525 g 1 52 RY10 lt FANCIND ele ay 06D Jan 15 s f 51 AS f so le m Ta m FRJ CFANCDUT A Mm ale H Eq z 4 Y T gg 20 H n t 5 pero 21 Ei oa CANQUT D 3 5 ir2. AWARNING This symbol indicates the possibility of death or serious injury A CAUTION This symbol indicates the possibility of injury or damage to properties only Meanings of symbols used in this manual are as shown below Q Be sure not to do Be sure to follow the instruction A WARNING B installation Do not use a defective or For electrical work contact the Always ground the product underrated circuit breaker Use dealer seller a qualified this appliance on a dedicated electrician or an Authorized circuit Service Center There is risk of fire or electric Do not disassemble or repair the There is risk of fire or electric shock product There is risk of fire or shock electric shock Install the panel and the cover of Always install a dedicated circuit Use the correctly rated breaker control box securely and breaker or fuse There is risk of fire or electric Improper wiring or installation There is risk of fire or electric shock may cause fire or electric shock shock Service Manual 3 Safety Precautions Use the specified wires to connect the unit There is risk of fire or electric shock Do not install remove or re install the unit by yourself customer There is risk of fire electric shock explosion or injury For installation always contact the dealer or an Authorized Service Center There is risk of fire electric
3. 1 Check or exchange ICO1M NEUTRAL 220V Is the magnetic contactor for NO gt 1 Check or exchange RY1 1 Check the wiring of Magnetic heater OK Check or exchange E Heater contactor 2 Exchange Magnetic contactor Service Manual 23 t Diagram 1 Main Controller Features of Controller N Features of Controller
4. BK 4 Ei an H TERMINAL BLOCK 30 awie BL P1 em z 60Hz lt POWER uw _ m a g SUPPLY 3 P E i waj 1 wa d 7 8 T en H na hi Pd Ms seni E U SICH E Cre fax ues Tene mama Boe uas E Be TEMP LOW PRESSURE B 5 Eris ER 5 TERMINAL 88 ww s eE P lt 88 55 B9 L REMOTE 23 coNrnottER m 24V Sup Saas h REMOVE JUME WIRE WHEN FED 30 ACAM INSTALLATION 1 1 2207 osteo 1 60 u 9191 POWER Loa iom ROWER Nove 3854A20290E USING THERMOSTAT CANNOT BE USED WHEN BLOCK BKBLACK FIELD WIRING BRBROWN WH WHITE FACTORY WIRING OR ORANGE YLYELLOW BLBLUE USING ELECTRIC HEATER OPTION 30 3WIRE 5 38V EE POWER Z SUPPLY CAUTION The unit can sense phase reversal error amp phase loss with micro processor If there s a phase problem on the unit the micom stop the unit and show error message on the LCD wired remote controller Comply with the service manual and check power connections But all electrical work shall only be done by qualified pers
5. Bu 5 5 CT n SSP mwvaeee pup Pover 144007 20053 220 ale T 9E enel 472 250 24 Single Air Conditioner Features of Controller 2 Feature of Main Controller 7 g sns NO a w m N vaa _ GAvMr awoo 110 Nvd 1nO NV3 NDNV g1v3H v LvaH 02 Mat Map am a ES aam CS aa o OWHL NO E lt gt 3 E HN dH NO 3 2 z L L 2 2 2 2 2 2 2 2 2 2 3 ES 5 5 8 O lt 1700 LL89 INSV 5 N 5 VeL002V0 89 gMd MS 1531 5 B vedo H 2 8 5 8 a a Nv4 z3 z I I LOO xzool m 8 8 H 22 s EID 22 EN 2 2 8 HaINHNO V o SSVdAH NO lt lt 5 5 38 240m 3 EJES z s A lt m
6. 3 Main PCB Waiting cooling operation 4 Remote controller Waiting input a YES ON YES YES Set Temp lt Indoor Temp Time delay mode NO Cooling operating Stop condition YES m 1 Dehumidification operating Stop condition 28 Single Packaged Air Conditioner Dehumidification Mode NO Heater operation mode Set Temp Indoor Temp Heater operating Stop condition Fan only operating Stop condition Exploded View and Replacement Parts List Exploded View and Replacement Parts List Exploded View sA 6546810 CE e 22 Q xd 137210 E lt 1016920 gt C566001 Service Manual 29 Exploded View and Replacement Parts List e Replacement Parts List LOCATION PART No No LK C120BC00 LK C1209C00 137210 PANEL ASS
7. Circuit A ES Circuit B Refrigerant Flow Service Manual 11 Wiring Diagram B Wiring Diagram LK C120BC00 LK C1209C00 USING ELECTRIC HEATERIOPTION CAUTION The unit can sense phase reversal error amp phase loss with micro processor If there s a phase problem on the unit the micom stop the unit and show error message on the LCD wired remote controller 1 Comply with the service manual and check power connections 3WIRE 2 But all electrical work shall only be done by qualified EE mu 5 personel in consideration of the current safety 2 L cy Lfegulation 1 SUPPLY 29 59 BK ASK ror wg dad gle lt x ws fme is orio
8. PIS TC2 E S 1 m ao 122 m a CN FAN T ER 1 ub 1 z pg pe 1 S 525 se fefe I9 PP 1 007 x 3 RY7CBPCBD BB we seen 33 mnm 4168 en passe 4 4 1 545 EL Switch mi lz ED SRL aE 45 S 7 CAWAYCAD I t 1 CN_L P RY9 CN_REMO 25 l Ces v 27 P43 m AWAY v malele gt wt our 1 44 EEE CN18 CNS lunes 22 w as E s 1 i ciev CN BYPASS rm rawon fag R i a 1 1 wt Le P upfese 819 L m 150 045 Goar ale Fx Remocon EUM vs EH 575 Bess gt CNAl3 MN CN ZONE S Zaa CN_HEAT 42 QO BIG IK es x 5 5 RRE P32 55 pod ET LC ERAIPS ip t 06 iji lala Lasva 555 CNS 36 CN HUMID 15 OO T P34 mem EV m Tt NTCOD 525 35 05 5324 S Trans pons NA RYACCDMPCA OO 38 Diyas ME ER lt CN2 fefe 236159 50900 OMP IO 39 coox rs b T 557 E 104 nmm u 3 lal toi cow 220uF 50V 330uF 35V
9. SSOOTA STOOTA 4 Feature of Remote Controller LCD gt OPERATION J SET TEMP SUB FUNCTION sk Room Tem r1 r1 Heater Preheat Xx to LL E Defrost Ll Ll Filler Outdoor Time Timer Operation unit On Off Setno Time 01 03 05 07 09 11 13 15 17 19 21 28 2 26 Single Packaged Air Conditioner Features of Controller 5 Error Mode amp Corrective Method Errormode Cause of error Sensing condition of error Method of SVC Remark OPEN SHORT of Voltage of sensing Over 4 8V 1 Check the voltage of CO1H Room CH01 room temp Voltage of sensing Less than on the remote controller temp 25 C sensor 0 5V 2 Check the temp sensor of DC 2 5V remtote controller OPEN SHORT of Voltage of sensing Over 4 8V 1 Check the voltage between PIN 3 Pipe temp 25 C CH02 indoor pipe temp Voltage of sensing Less than and 4 of CN A cycle CN B cycle DC 22V sensor 0 5V 2 Check the temp sensor of indoor pipe Communication Communication interruption Check the connecting wire Input voltage of Error between remote controller and Rb main PCB remote remote controller controller DC 12V CH03 Main opor 2 Check the input volta
10. 5 3 u r o lt gt S Sodr 5 6 I I I I I I lt gt 9909 sir Y lt gt b m rs m 5 E v zi lt a Xu 5 HOLIMS 604 s 80H mum 9205 5 9 lt 201 I Y 8 NI ino NI 1no Tu T QI00IN 6 ow DOE 1nO NO 31049 Y NO 31919 8 NO Nunisu NO azoa Service Manual 25 Features of Controller 3 Feature of Remote Controller PCB ASS Y wich 300 3500 200 joo ojojo 9E006A0189 844
11. malfunction or damage Do not drink the water drained from the product Use a firm stool or ladder when cleaning or maintaining the product It is not sanitary and could cause serious health Be careful and avoid personal injury issues Service Manual 7 Model Number Nomenclature Model Number Nomenclature K C1209C00 L Hel s 6606 1 Manufacturing plant Refrigerant 2 Classification 3 Type L Changwon R 22 K Single packed Air Conditioner N Ducted split Air Conditioner C Cooling Only H Heat pump 4 Capacity Btu h 036 36000 Btu h 360 360000Btu h 5 Voltage frequency phase 220V 60Hz 1Phase 380 415V 50Hz 3Phase 380V 60Hz 3Phase 220V 60Hz 3Phase 440 460V 60Hz 3Phase 6 Air flow Top Side Convertible Air Flow Down Horizontal Horizontal Air Flow 7 Method SEER MICOM Control 10 gt O T O O Mechanic Control 10 Mechanic Control 13 8 Development Sequence Given Number by Delevelopment Sequence 8 Single Packaged Air Conditioner General Data General Data Nominal ton Ton 10 Models LK C1209C00 LK C120BC00 Electrical Data ARI Net Cooling Capacity BTU hr 118 000 1
12. of electric shock Service Manual 5 Safety Precautions When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation Bi Installation Always check for gas refrigerant pressure after installation or repair of product Low refrigerant levels may cause failure of product fall onto the unit damage A CAUTION Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Don t use people to lift and transport the product Avoid personal injury Take care to ensure that nobody could step on or This could result in personal injury and product Keep level even when installing the product To avoid vibration or water leakage Do not install the product where it will be exposed to sea wind salt spray directly t may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Having perfect vacuum process in the factory our units don t have drier but have filter in the refrigerant circuit In case of recharging R 22 gas in the field DRIER must
13. 0101D Printed in Korea
14. 0A 566000 SWITCH PRESSURE 6600A20004C 6600A20004C Low Pressure Switch 566000 SWITCH PRESSURE 6600A20004E 6600A20004E High Pressure Switch 566001 SWITCH MAGNET 6600B000041 6600B000041 For Compressor 566001 SWITCH MAGNET 6600B000032 6600B000032 For Indoor Motor 738281 MANUAL SERVICE 3828A30101D 3828A30101D 137213 1 PANEL ASSEMBLY SIDE 3721A10096A 3721A10096A 137213 2 PANEL ASSEMBLY SIDE 3721A20201A 3721A20201A 137213 3 PANEL ASSEMBLY SIDE 3721A20167A 3721 20167 237204 1 PANEL SIDE 3720A21001D 3720A21001D 237204 2 PANEL SIDE 3720A21001B 3720A21001B WOCZZ CAPACITOR DRAWING 0CZZA20001B 0CZZA20001B For Outdoor Motor W4400 BELT V 4400A30002S 4400A30002S W6920 RELAY 6920AP3400A 6920AP3400A For Outdoor Motor Optional parts 558511 DRIER ASSEMBLY 5851A20004A 5851A20004A 566000 SWITCH PRESSURE 6600L000007 6600L000007 High pressure gauge 566000 SWITCH PRESSURE 6600L000006 6600L000006 Low pressure gauge 30 Single Packaged Air Conditioner Exploded View and Replacement Parts List Specification of Components MODEL LK C1209C00 LK C120BC00 COMP P No 2520UNDU2DA 2520UNDR2AA Model name SR061UBB SR061RAA RLA A 11 16 LRA A 78 120 Q ty 2 2 INDOOR MOTOR P No 4681A20094C 4681A20094C Output 3 Hp 3 Hp Shaft Dia 28 mm 28 m
15. 18 000 W 34 582 34 582 Kcal h 29 736 29 736 Voltage V PH 380V 3 220V 30 M C A with standard motor Cooling Amps 33 2 50 2 Power Input Cooling Watt 13 300 13 300 Performance Air Circulation Nominal CFM CFM 4 000 4 000 EER Cooling BTU hr W 8 9 8 9 Sound Rating Cooling bell 8 5 8 5 Features Wired Remote Controller O Accessory Time Delay Safety Function Cooling Operation Mode Heating Operation Mode with E Heater Soft Dry Operation Timer Setting 24 on off Auto rastart mode Humidifier function Test function Defrost Hot Start Self Diagnosis Function Phase reversal error sensing Phase loss sensing Filter type washable amp Anti fungus Compressor Type Scrool Quantity 2 Outdoor Coil Type High efficiency Tube size O D inch 0 375 mm 9 52 Row FPI 2R 16FPI Lengh inch 39 37 mm 1 000 Face area sq ft 17 55 1 63 Indoor High efficiency Tube size O D inch 0 375 mm 9 52 Row FPI 3R 16FPI Lengh inch 27 6 mm 700 Face area sq ft 8 4 m 0 78 Outdoor Fan Type Propeller No Used Diameter in 2EA 22 Drive Type Direct CFM 7 000 No Motor Motor output Hp 2 0 4 Motor RPM 1 050 Indoor Fan Type centrifugal blower fan No Used 1EA Diameter Width in 15 11 Drive Type Motor Step Belt 1 No motors 1EA Motor output standard oversized 3 0 5 0Hp Motor rpm Standard oversized 1720 1750 Drain Connection Size in 1 Dimensions Unit WxHx
16. 5V 1 Check or exchange IC03D on the MAIN PCB ls the output NO voltage of ICO1M s 11 12 COMP on the MAIN PCB DCOV Is the voltage NO between A B COMP B of CN COMP 1 Check or exchange 01 2 Check 3 minutes time delay and NEUTRAL 220V NO Is the magnetic contactor gt 1 Check or exchange RY4 RY5 COMP B 1 Check the wiring Magnetic for compressor ON 1 Check Compressor and Capacitor for Compressor NOTE 30 model has not capacitor for compressor contactor 2 Exchange Magnetic contactor Service Manual 19 Electronic parts Troubleshooting Guide Possible trouble 6 No heater operation performed NO Is the heater operation gt 1 Select heater operation mode NO 1 Reconnecting power supply 2 Is the heater LCD ON Press Heater Key NO 1 Set following Set temp gt Room temp Set temp Room temp Is the output voltage IC03D on the MAIN PCB DC5V NO 1 Check or exchange ICOSD 1 020 on the MAIN PCB Is the output voltage of ICO2M s 15 16PIN on the MAIN PCB 0V NO 1 Check or exchange IC02M Is the voltage between A B Heat B of CN HEA and NEUTRAL 220V2 NO gt 1 Check or exchange RY13 RY14 Heat Is the magnetic contactor for NO 1 Check the wiring of Magnetic heater ON contactor 2 Exch
17. D inch 85 3 7 48 6 7 55 1 5 mm 2 170 1 241 1 460 Weight net kg 350 Ibs 771 6 1 Test Condition of ARI Rated Cooling Capacity Ambient 95 F Air entering temperature 80 F DB and 67 F WB 2 ARI standard 210 240 or 360 for EER 270 3 Filters are sta for Sound ndard supply Service Manual Dimensions Dimensions LK C1209C00 BC00 UNIT Dimensions Figure 1A Unit inch mm CLEARANCE 34 UNITS 10RT CLEARANCE 16 H 48 6 7 1241 55 1 9 1406 J 85 3 7 2170 K 7 3 32 180 L 28 1 4 724 M 4 100 CLEARANCE 34 CLEARANCE 46 Figure 1A HORIZONTAL FLOW APPLICATION Figure 1B Unit inch mm d 8 gt CLEARANCE 16 UNITS 10RT i A 18 5 8 473 B 12 1 2 316 5 C 15 1 3 390 D 2 53 E 4 1 2 115 F 35 3 7 900 G 4 1 00 CLEARANCE 34 H ZOO Figure 1B DOWN FLOW APPLICATION Figure 1C Unit inch mm UNITS 10RT A 15 1 3 390 B 12 1 2 316 5 C 18 5 8 473 D 6 1 9 155 E 3 2 9 68 F 35 3 7 900 G 2 2 3 68 H 30 5 7 780 TOP VIEW igure de 10 Single Packaged Air Conditioner Refrigerant Circuit Diagram Refrigerant Circuit Diagram Service Valve Low Pressure Switch Service Valve Suction Line 2 PE Capilliary Outdoor Coil High Pressure Switch Indoor Coil
18. EMBLY FRONT INDOOR 3721A11002A 3721 11002 145610 PULLEY ASSEMBLY 4561A30002B 4561A30002B Blower Side 145610 PULLEY ASSEMBLY 3A00217R 3A00217R Indoor Motor Side 152302 FILTER MECH A C 5230A20003R 5230A20003R 249950 CONTROL BOX ASSEMBLY SINGLE 4995A11001B 4995A11001A 263230 THERMISTOR ASSEMBLY 6323AQ2333T 6323AQ2333T Pipe Senser A cycle 263230 THERMISTOR ASSEMBLY 6323AQ2333U 6323AQ2333U Pipe Senser B cycle 263230 THERMISTOR ASSEMBLY 6323AQ3214H 6323AQ3214H Outdoor Temp senser 267110 REMOTE CONTROLLER ASSEMBLY 6711A20043Y 6711A20043Y 268714 PWB PCB ASSEMBLY MAIN 6871A10041A 6871A10041A 330870 DRAIN PAN ASSEMBLY 3087A20020C 3087A20020C 342800 BEARING 4A00131A 4A00131A 346810 MOTOR ASSEMBLY INDOOR 4681A20025A 4681A20094C 349600 BRACKET ASSY 4811A10003A 4811A10003A 354210 EVAPORATOR ASSEMBLY FIRST 5421A20151B 5421A20151B Upper 354210 EVAPORATOR ASSEMBLY FIRST 5421A20151C 5421A20151C Lower 359012 FAN ASSEMBLY BLOWER 5835A20003A 5835A20003A 435312 GRILLE DISCHARGE 3530A20007H 3530A20007H 437212 PANEL ASSEMBLY REAR OUTDOOR 3721A10095A 3721A10095A 546810 MOTOR ASSEMBLY OUTDOOR 4681A20106A 4681A20106A 549610 MOUNT ASSEMBLY MOTOR OUTDOOR 4961A20029A 4961A20029A 552111 TUBE ASSEMBLY CAPILLARY 5211A23019A 5211A23019A 554031 CONDENSER ASSEMBLY FIRST 5403A20137D 5403A20137D Gold Fin 5403A20137C 5403A20137C Bare Fin 554160 COMPRESSOR SET 2520UNDR2AA 2520UNDU2DA 559010 FAN ASSEMBLY PROPELLER 5901A10010A 5901A1001
19. LA i N d P iw Single Packaged Air Conditioner MODEL LK C1209C00 LK C120BC00 Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions dui cis 3 Model Number Nomenclature nn nsn 8 u 9 nd 10 Refrigerant Circuit diagram 11 Wiring DIagram 12 Trouble Shooting Guide 19 Electric Parts Trouble Shooting Guide n 17 Feature of Controller tn a en dl pesi a a ta ode audiens 24 Exploded View and Replacement Parts 29 Specification of nennen nnne nnn 31 2 Single Packaged Air Conditioner Safety Precautions B Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Be sure to read before installing the air conditioner Be sure to observe the cautions specified here as they include important items related to safety E Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications
20. OT BE USED WHEN USING THERMOSTAT BRBROWN WHWHITE ORORANGE YLYELLOW FACTORY WIRING ORORAN 12 Single Packaged Air Conditioner Troubleshooting Guide Troubleshooting Guide PACKAGE AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 380V 342V 418V 220V 198V 242V 1 No cooling and heating operation performed 1 Both the blower and the compressor do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Other parts except the Electric supply interrupted Measure power sypply unit Defective power wiring with a tester in casethat Repair a switch box Cut off power fuse the same power source is and relative instrument supplied to other Replacement of fuse equipment except the unit what and where troubled can be discovered by checking the operation of other equipment Request a power supplier to repair Too low voltage Measure it with a tester Check the power source Use a thick cable if necessary Magnetic Contactor for Control point is on Make short circuit then Replace it if necessary compressor amp fan motor condition of due to measure it with tester trouble Operating switch Troubled or defective Check it with the eyes or Repair or replace it contactor tester 2 Only Indoor blowers do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Motor Over heated Check it with tester Rep
21. air Connector wiring 2 Exchange the Connector 1 Replace the pressed key 2 Exchange the Knob or Key gt 1 Remove cause of Check gt 1 Check 220V Power on the MAIN PCB Is the input power voltage of NO emote controller DC12V s there OSCO1B vibration NO on the remote controller YES Do Keys have troubles Exchange remote controller YES Are there trouble in LCD parts Is there trouble in the YES remote controller PCB ASS Y Exchange remote controller 18 Single Packaged Air Conditioner gt 1 Exchange OSC01B 2 Check the pattern around OSC01B on the remote controller PCB gt 1 Check Keys 2 Repair or exchange Key Possible trouble 4 LCD display on the remote controller shows some trouble 1 Check crack damage of LCD 2 Check LCD pattern 1 Check or repair all IC with dust or moisture on the PCB 2 Exchange remote controller PCB Possible trouble 5 No cooling operation performed NO Electronic parts Troubleshooting Guide Is the unit operating NO gt 1 Press power ON OFF button 1 Press cooling operation key Is the cooling mode Set Temp lt Room Temp NO 2 After reenergizing power supply press power ON OFF button 1 Set following Is the output NO Set Temp lt Room Temp voltage of ICO3D on the MAIN PCB DC
22. air or replace it Wiring short Cut OFF of wiring Electric wiring Short circuited on Check it with a tester Rewiring or Repair operation Service Manual 13 Troubleshooting Guide 3 Only outdoor fan does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Motor Over heated Check how it is insulated Repair or replace it Wire short Electric Wiring Cut off of wiring Check it with a tester Rewiring or repair Short circuited on operation Capacitor Defected Check it with tester Replace it 4 Only compressor does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY compressor motor Magnetic switch for Defective contact magnetic coil troubled Check it with the eyes on with a tester Repair or replace it Compressor motor Troubled over heated Check how it is insulated Replace or repair the layer short compressor High pressure switch Troubled or defective Check it with a tester Replace it if contact or operating necessary Electric circuit Defective connection or disconnection of the circuit for compressor Check it with a tester Rewiring or push reset button 14 Single Packaged Air Conditioner 2 The Units discontinue after the operation started Troubleshooting Guide WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Outdoor coil Coil is dirty 1 Checking Wash it by means
23. ange Magnetic contactor Check or exchange E Heater 20 Single Packaged Air Conditioner Possible trouble 7 No humidifier operation performed NO Electronic parts Troubleshooting Guide Is the indoor fan operation NO 1 Press cooling or fan operation or heater operation key Is the HUMID LCD ON Is the output NO gt 1 Press humidifier Key voltage of IC03D on the MAIN PCB DC5V Is the output NO gt 1 Check or exchange IC03D IC02D on the MAIN PCB voltage of IC01M s 10PIN on he MAIN PCB 0V Is the voltage between 1PIN of CN HUMID and 1 Check or exchange NEUTRAL 220V Is the magnetic NO 1 Check or exchange 1 Check the wiring or Magnetic contactor for humidifier ON Check the humidifier contactor 2 Exchange Magnetic contactor Service Manual 21 Electronic parts Troubleshooting Guide Possible trouble 8 Indoor motor does not operate NO Is the unit operating Is the output gt 1 Press power ON OFF button 2 Reconnect the power supply 1 Check or exchange ICO1M Voltage of ICO2M s 14PIN on the MAIN PCB 0V Is the voltage NO between 1PIN IN of CN FAN IN and NEUTRAL 220V Is the Power relay for NO 1 Check or exchange RY10 1 Check the wiring of indoor motor ON Check the ind
24. arts or combustibles near the product tightly closed space for a long time It may cause There is risk of fire There is risk of fire or failure of Oxygen deficiency could occur failure of the product or electric product shock When flammable gas leaks turn If strange sounds or small or smoke Stop operation and close the window in off the gas and open a window comes from product Turn the breaker storm or hurricane If possible remove the for ventilation before turn the off or disconnect the power supply product from the window before the product on cable hurricane arrives Do not use the telephone or turn There is risk of electric shock or There is risk of property damage switches on or off There is risk of fire failure of product or electric explosion or fire shock Do not open the panel of the product When the product is soaked Be cautious that water could not during operation Do not touch the flooded or submerged contact enter the product electrostatic filter if the unit is so an Authorized Service Center equipped There is risk of fire or electric There is risk of physical injury shock There is risk of fire electric electric shock or product failure shock or product damage Ventilate the product from time to time when Turn the main power off when cleaning or operating it together with a stove etc maintaining the product There is risk of fire or electric shock There is risk
25. be installed on the liquid line which is connected from discharge part of condenser to intake part of evaporator Because the refrigerant circuit is capable of containing water with imperfect vacuum 6 Single Packaged Air Conditioner Safety Precautions Operation Do not expose the skin directly to cool air for long Do not use the product for special purposes such as preserving periods of time Don t sit in the draft foods works of art etc It is a consumer air conditioner not a precision refrigeration system There is risk of damage or loss of property This could harm to your health Do not block the inlet or outlet of Use a soft cloth to clean Do not Do not touch the metal parts of the air flow use harsh detergents solvents product when removing the air filter etc They are very sharp It may cause product failure There is risk of fire electric There is risk of personal injury shock or damage to the plastic parts of the product Do not step on or put anything Always insert the filter securely Clean Do not insert hands or other objects on the product outdoor units the filter every four weeks or more through the air inlet or outlet while the often if necessary product is operated There is risk of personal injury A dirty filter reduces the efficiency of There are sharp and moving parts and failure of product the air conditioner and could cause that could cause personal injury product
26. eased Do necessary disposal load Window or door has many respectively cracks or gaps Air flow Obstacle disturbs Intake Checking Correct it of uniform airflow Short air volume Reverse rotation of Checking Correct it blower Refrigerant Shortage in the charged Coil inlet pipe is frosted Recharge it Repair the leakage spot Air passage Improper or foreign bodies Checking Correct or clear the foreign bodies Air filter Clogged with dust Checking Cleaning 4 All the functions are performed as specified but very noisy and vibrant WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Compressor Liquid refrigerant flooding Check for refrigerant over charge back from the evaporator Check to see if the intake air temperature is extremely cold Check for insufficient air flow quantity Faulty Discharge valve Checking Replace the and suction valve compressor Blower Fan broken Checking Repair or replace it Foreign matters intruded HANNE reigi podes Screws Looseness or fail off of Checking Correct screws Electric troubles Defective contact Checking Repair and clean or Magnetic contactor Defective contact point replace it Rusting and foreign matters in the iron core contact face Defective contact of the operating switch Others Improper installation Checking Correct it 16 Single Packaged Air Conditioner Electronic parts Troubleshoot
27. ge of remote controller 3 Check the wiring of remote controller OPEN SHORT of Voltage of sensing Over 4 8V 1 Check the voltage between PIN Pipe outdoor pipe Voltage of sensing Less than 1 and 2 of CN A cycle CN B temp 25 C CH04 cycle ON the main PCB DC 2 5V sensor 0 5V 2 Check the temp sensor of remtote controller OPEN SHORT of Voltage of sensing Over 4 8V 1 Check the voltage between Room outdoor room Voltage of sensing Less than PIN 1 and 3 of CN TEMP temp 25 C CH05 temp sensor 0 5V OUT on the main PCB DC 2 2V 2 Check the temp sensor of outdoor room 6 Principal part list of controller Main PCB Remote Pipe Pipe Return Air Outdoor Model ASM controller Sensor A Sensor Sensor Room Sensor nomar LK C1209C00 6323AQ3214M LK C120BC00 6871A10041A 6711A20043Y 6323AQ2333T 6323AQ2333U OPTIONAL 6323AQ3214H Cooling Only 7 Principal part list of Main PCB ASM 8 Principal part list of Remote Controller No Part No Part Name Remarks No Part No Part Name Remark 1 MICOM Main MICOM 1 OIMCRTOO06K MICOM Remote Controller 2 6920AQ9033F Relay 2 6304A30001K LCD 6 3 6212A90001E Resonator 3 6871A10072G_ Remote C PCB ASM Cooling Only 4 6900AQ9028N Fuse 4 5 6102AQ9075A Varistor Service Manual 27 Features of Controller 9 Explanation of principal function Flow Chart START Power supply YES 1 Initialize micom 2 A D convert
28. ing Guide W Electronic parts Troubleshooting Guide Possible trouble 1 The unit does not operate Is the input voltage of NO Main PCB AC220V s the output voltage NO 1 Check the Fuse 2 Check the wiring of AC220V of IC03D 7812 on the main PCB DC5V Is the output voltage NO gt 1 Exchange IC03D 7805 on the main PCB of IC01A 7036 on the main PCB DC5V 50018 vibration NO gt 1 Exchange IC01A 7036 on the main PCB 1 Exchange OSC01B 1 Exchange main PCB ASS Y 2 Check the pattern around on the main PCB Possible trouble 2 The remote controller does not operate NO Is the power ON Is the input voltage NO of remote controller DC12V 1 Exchange remote controller 2 Check or exchange the Main PCB ASS Y Check the FUSE Check the input voltage of Main PCB ASS Y Check or exchange the IC03D on the Main PCB Check or exchange the Connector RED BROWN of the remote controller Service Manual 17 Electronic parts Troubleshooting Guide Is the connection between NO MAIN PCB and remote controlle correct YES 5 any key on the remote controller keeping pressed Is there Check F on YES the remote controller LCD gt Possible trouble 3 Key input of remote controller does not respond 1 Check or rep
29. m RPM 1 720 1 720 OUTDOOR MOTOR P No 4681A20106A 4681A20106A Output 0 4 Hp 0 4 Hp Shaft Dia 15 mm 15 mm RPM 1 050 1 050 Q ty 2 2 OUTDOOR FAN P No 5901A10010A 5901A10010A Diameter O D 556 mm O D 556 mm INDOOR BLOWER P No 5835A20003A 5835A20003A Diameter width 380 280 mm 380 280 mm MOTOR PULLY P No 3A00217S 3A00217S Type VARIABLE VARIABLE BLOWER PULLY P No 4561A30021B 4561A30021B Type REC B TYPE REC B TYPE Outside Dia 190 mm 190 mm V VELT P No 4400A30002H 4400A30002H Type REC B TYPE REC B TYPE Length 53 inch 53 inch LOWER PRESSURE SWITCH P No 6600A20004C 6600A20004C Spec OFF 2 0kgf ON 3 5kof OFF 2 0kgf ON 3 5kgf Rated Voltage DC 24V DC 24V Maker SAGINOMIYA SAGINOMIYA HIGH PRESSURE SWITCH P No 6600A20004E 6600A20004E Spec 33kgf ON 24kof 33kgf ON 24kgf Roted Voltage DC 12V DC 12V Maker SAGINOMYA SAGINOMYA CAPACITOR for ODM P No 0CZZA20001B 0CZZA20001B Spec 15uF 450V 15uF 450V FILTER P No 5230A20003R 5230A20003R Size 418 825 mm 418 825 mm Q ty 1 1 CAPILLIARY TUBE P No 3E92334G 3E92334G Spec 1 D1 4 1200 mm 1 D1 4 1200 mm Q ty 18 18 CONTACTOR for COMP P No 6600B000041 6600B000041 Spec 30A 220V CONTROL 30A 220V CONTROL CONTRO for IDM P No 6600B0003L 6600B0003L Spec 220V 22A 220V 22A RELAY for ODM P No 6920AP3400A 6920AP3400A Spec 220V 25A 220V 25A RLA RATED LOAD AMPER LRA LOCK LOAD AMPER Service Manual 31 February 2004 3828A3
30. of something like chemical washing In condensable gas blended Air intruded into the refrigerant pipe line 1 In the event that difference between the saturating temperature corresponding to high pressure and the temperature of air discharged from the outdoor coil is more than 15 C incondensable gas may be blended Extract air by vacuum pump then replenish charge the refrigerant High pressure switch Improper adjustment Check it with a pressure gauge Read just it to normal operating pressure Note Don t alternate the specified adjusting pressure If the adjusted pressure exceed the specified range it will cause a great accident Refrigerant Outdoor Fan A shortage of refrigerant amount 2 Reverse rotation of fan Obstacle Air short circuit 1 Check pressure Confirm the wind blowing out upward Check it with eyes Replenish the refrigerant Repair the spot where it is leaked If reversed connect interchanged wires to each terminal Power wirings Note Use an appropriate measuring instrument for readjustment 1 High pressure switch moves 2 Low pressure switch moves Service Manual Troubleshooting Guide 3 The unit is working but not cooling and heating sufficiently Both blower and compressor are working refrigerant WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Load Much Cooling or Heating Heat load incr
31. onel in consideration of the current safety regulation sie T TET un zz comp wi TERMINAL BLOCK Map he 380 e g z B POWER 2 8 SUPPLY N EE n TE m 3 E i opausa ome pa wat Esami UE eet umen m ARN DS ume We eur m Sue ex P Koro 27 Gur 99 Goro elhez cameron Gur 18 3854A20290F 515 TERMINAL 88 Sees Rock 65 mewore oe 1 8 01 a II TRE roe P CONNECTING FIRE ALARM FIELD zx Ed INSTALLATION mh RDRED CANN
32. oor motor Possible trouble 9 Outdoor motor does not operate NO Power relay 2 Exchange Power relay Is it cooling operation NO 1 Press power ON OFF button 2 Select cooling operation 1 Set following Is the compressor operating ls the output NO Set temp Room temp 2 Wait if the unit has operating with 3 minute time delay voltage of IC02M s 13 12 0UT FAN B on the MAIN PCB 0V Is the voltage between OUT A B of CN FAN and NO 1 Check or exchange IC02M NEUTRAL 220V Is the Power relay for NO 1 Check or exchange RY11 RY12 OUT FAN B 1 Check the wiring of outdoor motor ON Check the outdoor motor A B 22 Single Packaged Air Conditioner Power relay 2 Exchange Power relay Possible trouble 10 No heater operation performed NO Electronic parts Troubleshooting Guide Is the heater operation NO gt 1 Select heater operation mode 1 Reconnecting power supply Is the heater LCD ON NO Press Heater Key 1 Set following Set temp Room temp Is the output NO Set temp gt Room temp voltage ICOSD on the MAIN PCB DC5V Is the output NO 1 Check or exchange IC03D on the MAIN PCB voltage of ICO1M s 16PIN on the MAIN PCB 0V Is the voltage between 1PIN of CN5 and NO
33. shock explosion or injury Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open Moisture may condense and wet or damage furniture Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not install the product on a defective installation stand t may cause injury accident or damage to the product Operation Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric Do not touch operate the product with wet hands There is risk of fire or electrical shock Be cautious when unpacking and installing the product Sharp edges could cause injury Be especially careful of the case edges and the fins on the condenser and evaporator Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not place anything on the power cable There is risk of fire or electric shock Do not place a heater or other appliances near the power cable There is risk of fire and electric shock 4 Single Packaged Air Conditioner Safety Precautions Do not allow water to run into Do not store or use flammable gas Do not use the product in a electric p
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