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SERVICE MANUAL - Masterxoloda.ru

1. MLOV SOA de NHD seo abieyosig az Es 0118 19 AOEEIV DAN AHO DHO Po EW Su HdE9 507 De TANNYS a LHM dE aaH de 13A dE LHM d6 Ona de LHM dE TaA NYD HDESEI HI A9110 4U0J dz leld euw L Yun JOOpu OL wesbeig Buui 219915 d8 ald jeuuuo L Sr GX AA Leet XY N E1 271 11 A ddns samog SM830033 _ 54 3 2 Outdoor Unit SPW C483GH8 Terminal Plate 8P 3 Electrical data CR C253GH Controller i ai AC 230V VCC Outdoor Coil C1 Outdoor Coil C2 Discharge gas CTI N L3 L2 47 Hrl PH IN e let Description Symbols Description Compressor Motor Outdoor Fan Motor CR C253GH Outdoor Controller Auxiliary Relay Compressor Motor Magnetic Contactor Terminal Plate Outdoor Fan Motor Thermal Protector Terminal High Pressure Switch Connector Current Transmitter Running Capacitor Power Transformer
2. 0369 MI Press the SET button UNIT No CODE No 12 and SET DATA 0002 change from flashing to ON state Select the CODE No 13 to set the indoor unit No with the w SET TEMP button Set the indoor unit No which you want to set with the A w button KADRI Ex Indoor unit No 4 will be set rn In this example indoor unit address me lt UNIT No will be set 24 TIMER SET 0370_M_I A Press the SET button UNIT No CODE No 13 and SET DATA 0004 change from flashing to ON state SM830033 89 4 Service procedures Select the code No 14 to set group setting with the A w SET TEMP button Set the No of group setting as shown below with the A button 7 Nos of group setting We 0 Standard system except group me Ien control Sun 1 Main mar unit in case of group Sir N contro Se gt 2 Sub indoor unit in case of group aol control kuwa 99 No setting at factory shipment 0371 MI Q Press the SET button UNIT No CODE No 14 and SET DATA change from flashing to ON state D If you made a mistake press the CL button so that setting returns to the initial state m Press the TEST CHK button to finish this mode The display is disappeared m Confirm the
3. Le 1020 Suspention bolt pitch E 2 5 a 1110 Ceiling opening Le Le 7 Air intake grille Q Air outlet Refrigerant liquid line 9 52 Refrigerant gas line 819 05 Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspention bolt mounting 100 1100 LJ 0183 KI SM830033 20 1 Specifications 1 4 Dimensional Data B Outdoor Unit SPW C253GH5 SPW C253GH8 EEE 735 Dimension mm Hole for anchor bolt 4 913 Refrigerant tube joint narrow tube Flare connection 1 4 in 6 35 mm Refrigerant tube joint wide tube Flare connection 5 8 in 15 88 mm Refrigerant tubing inlet Power supply inlet 0411_C_S Fig 3 SM830033 21 1 Specifications 1 4 Dimensional Data B Outdoor Unit SPW C363GH8 SPW C483GH8 170 660 110 Ta N v AN m CH a oO St oO m e x
4. conditioner ROOM TEMP AREA T 42 C T 1 C A SET TEMP TC E rea emmener B T 2 C T 1 C G lt 5MINUTES ja 3MINUTES COMPRESSOR ON OFF ON OFF ON OUTDOOR FAN ON OFF ON OFF ON INDOOR FAN L Body sensor 0449_M_S Fig 20 The indoor fan speed is automatically set to L and cannot be adjusted to M or H When the set temperature is either 18 or 19 C the set temperature is considered the same as 20 C Room temperature is monitored every 8 minutes when it is in the B range to select the best operation mode SM830033 Ad 2 Processes and functions 2 17 Auto flap Control Auto flap can control the air flow in 5 steps Auto flap 0450_M_S Fig 21 Flap position Operation mode Automatic setting Optional setting Cooling dehumidifying F2 F1 F2 F3 Swing Fan F2 F1 F2 F3 F4 ER Swing Heating F4 F1 F2 F3 F4 ER Swing F2 The flap returns to the original position after Standby for heating release of the standby mode When the unit is stopped the Auto flap returns to F5 position When the airflow direction is set an optional setting the auto and Swing settings will be released To return the mode to auto flap control change the operation mode Once Auto flap is set the flap position will be input in the memory When the operation mode is changed the unit starts to search flap position if a se
5. 99 4 Service procedures 5 Thermistor Characteristic Curve 1 Room temp sensor TH1 KTEC 35 2 Indoor heat exch coil sensor TH2 E1 TH3 E2 TH4 E3 Outdoor heat exch coil sensor TH6 C1 TH7 C2 PBC 41E PB3M 41E 40 35 k 30 25 20 Resistance k Q Resistance KQ N oO Q O N O O _ 20 15 10 5 0 5 10 15 20 10 15 20 25 30 35 40 Temperature C Temperature C 0375 MI 0374 MI 3 Compressor discharge gas temp sensor TH8 PTC 51H Resistance kn 80 90 100 110 120 130 Temperature C 0376 MI SM830033 100 4 Service procedures 6 PCB Setting Setting of outdoor control PCB A Standard control single outdoor unit In case of single outdoor unit installation no indoor unit s setting is necessary for twin triple or quartet types 2 3 or 4 indoor units Keep R C address setting at O as factory shipment state In this case auto address operation is performed automatically for the first time when the power is switched on This operation takes about a few minutes B Group control Multiple outdoor units In case of group control up to 8 indoor units can be connected with one remote
6. 1 Auto address operation is executed by pressing the A ADD S1 button of outdoor unit s PCB usually For your convenience it can be executed by remote controller also a Press the TEST CHK and a buttons at the same time for more than 4 seconds Set CODE No A1 with a SET TEMP button In this mode the auto address operation is executed at each R C Refrigerant Circuit line one by one Select R C No which you want to execute the auto address operation with UNIT button Press the SET button The auto address operation will start CODE No changes from flashing to ON state If an error occurs during operation the alarm message will be displayed Check and remove the cause If you want to stop the operation press the CL button then the unit stands in waiting mode Press the SET button again If the automatic address operation finishes the display will disappear Execute the operation of the other R C line in the same way by following the above steps to h Complete the automatic address operation by pressing the TEST CHK button SM830033 84 4 Service procedures G Confirm and change the indoor unit address Q The purpose of the above function is to let you confirm the indoor unit address after the auto address operation and change the indoor unit address if it is needed a Press the TES
7. Drain Pump WP20SL 21 Rated AC 230 V 50 Hz 14 7 W Total head amp capacity 400 mm 600 cc min SM830033 1 Specifications 1 2 Major Component Specifications B Outdoor Unit Unit Model No SPW C253GH5 Source 220 230 240 V 1 phase 50 Hz Controller P C B Ass y CR C253GH5 Microprocessor Control circuit fuse 250 V 3 15 A Compressor Rotary Hermetic Model number C R221H5W Source 220 240 V 1 phase 50 Hz Nominal output 2200 Compressor oil 1500 Coil resistance Ambient temperature 25 C 0 76 R S 3 52 2 76 Safety devices Overload relay models Internal type Operating temperature C 160 5 C 87 11 Crank case heater 240V 25 W Refrigerant amount at shipment kg R22 3 0 High pressure switch ACB 1TB07 Set pressure OFF kg cm 2 0 30 0 5 ON kg cm 24 2 0 Fan Propeller Number diameter Fan speeds Fan motor Model KFC6T 91C5P Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med 6 772 376 Nominal output 70 Coil resistance Ambient temperature 20 C WHT BRN WHT VLT 127 3 A VLET YEL 56 7 YEL PNK Safety device Internal type Operating temperature 130 8 7
8. Refrigerant circuit address bla Refrigerant circuit address 2P DIP switch green or Blue 10 20 Outdoor control PCB CNA 2P Black A ADD S1 Automatic address setting start button Used for central control link system and group control Normally not used 0515 C1 R C address R C address R C address S3 2P dip switch green or Blue S2 Rotary switch Black ON ON side 00 auto address AN 0 when shipped from factory Both OFF LI N Set to 0 OFF side ON ON side T 02 In case of No 2 outdoor unit Both OFF 4 amp Set to 2 1 2 oFFside ON pa 03 In case of No 3 outdoor unit Both OFF B Set to 3 1 2 OFF side ON ON side 11 In case of No 11 outdoor unit 10 s SW is ON lt Setto 1 1 2 oFFside ON ON side 21 In case of No 21 outdoor unit 20 s SW is ON l Gi Set to 1 1 2 Jorr side ON ON side Both 10 s and 20 s gt AU 30 In case of No 30 outdoor unit switches are ON 1 NE Set to 0 1 2 OFF side SM830033 102 8 Automatic Address Setting Method 9 For group control and central control with multiple outdoor units Carry out automatic address setting with 1 the remote controller 1 All auto address operation Press the TEST CHK and a buttons at the same time for more than 4 seconds 2 Press the SET button after confirmin
9. 0346_M_I 20 Check the indoor unit When the alarm of communication failure is not activated f the electronic control valve failure occurred in Flexible Combination system simultaneous operation system one indoor unit would not be operated normally then the other units won t be operated either Due to this try to detect the troubled unit and correct it Operate the unit in cooling mode 30 minutes after its operation Cooled air comes out Is the temperature of each indoor coil sensor almost the same Refer to the sensor temperature display function of the remote controller Does each indoor coil sensor detect the temperature correctly Is there any leakage from the pipe of the temperature detection section Failure in the electronic control valve activation Replace the sensor 0460_M_I SM830033 75 4 Service procedures 6 Procedures When a Specific Component Does Not Work 1 Indoor fan does not operate Is fan motor capacitor normal Yes No Replace the capacitor Is there voltage output of P C B Ass y for fan motor Replace the P C B Ass y in the indoor unit e Check resistance of fan motor winding Out Replace the fan motor 0650_M_S 2 Flaps in indoor unit s air outlet does not operate when you press SWEEP button No Check the louver motor resistance Bl Replace the motor Is auto louver motor normal Is 15P co
10. 15 Drain Pump WP20SL 21 Rated AC 230 V 50 Hz 14 7 W Total head amp capacity 400 mm 600 cc min SM830033 jo 1 2 Major Component Specifications A Indoor Unit 1 Specifications MODEL No _SPW X363GH56 SPW x483GHS6 Source 220 230 240 V 1 phase 50 Hz Controller P C B Ass y CR X253GH Microprocessor Fan Number diameter Turbo 1 0490 Fan Motor Model Nominal output SFG6X 61A3P 60 W Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230 V High 6 530 Coil resistance Ambient temperature 20 C BRN WHT 71 1 ORG YEL WHT VLT 8 7 VLT PNK VLT ORG 13 3 YEL BLK Safety device Operating temperature 130 8 C 79 15 C Run capacitor 440 V 6uF Electronic Refrigerant Control Valve Solenoid control model EKV MOZS584E0 Coil resistance at 20 C ORG GRY 46 YEL GRY 46 RED GRY 46 BLK GRY 46 Solenoid control valve model HKV 30D16 Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 2 sl 7 Face area 0 479 Panel Model No PNR X483GHA Dew proof heater 240 V 31 W Auto louver motor M2LB24ZA12 Auto louver motor Rated AC 240 V 3W 2 5 rpm Coil resistance at 25 C 15 620 Q 15
11. 21 Rated AC 230 V 14 7 W Float switch FS 3502 204 Rated Contact rated AC 230 V 50 W 17 SM830033 1 3 Other Component Specifications Unit model No Power Transformer Indoor Unit 1 Specifications Outdoor Unit SPW X363GH56 SPW X483GH56 ATR 11215TA SPW C363GH8 SPW C483GH8 ATR 165B Rated Primary Secondary AC 230 V 50 Hz 10 2V 1 4A AC 230 50 Hz 14 V 04 A 14 V 05A Coil resistance WHT WHT 84 BRN BRN 0 7 RED RED 2 7 WHT WHT 300 BRN BRN 2 2 Thermal cut off temperature 145 145 Thermistor Coil sensor PBC 41E S25 PBC 41E S36 PBC 41E S4 PB3M 41E S4 Coil resistance 10 C 23 7 5 C 18 8 0 C 15 0 5 C 12 1 10 C 9 7 20 C 6 5 30 C 4 4 40 C 3 1 45 C 2 6 Thermistor Room or coil sensor KTEC 35 S6 PTC 51H S1 Coil resistance kQ 16 5 40 C 128 45 C 10 0 50 C 63 55 C 4 0 13 8 90 C 9 7 100 C 8 2 110 C 7 0 120 C 5 9 130 C Relay FMCA 1SZ607 Coil rated AC 220 240 V Contact rating AC 440 V 13 A Coil resistance at 25 C Solenoid control valve or coil Solenoid control valve HKV 30D16 CHV 0301 CHV 0401 Solenoid coil EKV MOZS584E0 CHV 01AJ504D1 Drain pump WP20SL 2
12. Indoor unit e Measure the resistance between No 5 GRY lead wire and other terminals another color of lead wires of 5P WHT plug connected to the solenoid coil Refer to 1 2 A Major component specifications D Compressor motor CM Outdoor unit Measure the coil resistance Incase of triple phase compressor Measure the resistance between R RED lead wire and S WHT lead wire terminals R and T BLU lead wire terminals and S and T terminals on the compressor motor magnetic contactor Incase of single phase compressor Remove the cover of compressor terminal and measure the resistance between terminals Refer to 1 2 Major component specifications Compressor motor magnetic contactor 52C Outdoor unit e Measure the resistance between A ORG lead wire and B GRY lead wire terminals on the compressor motor magnetic contactor Refer to 1 3 Other component specifications Check the continuity between contactors MODEL FMCA 1S Push button on Pair of terminals the magnetic contactor R U S V T W 31 32 no press if YES press YES YES YES Solenoid coil of 4 way valve 20S Outdoor unit Measure the coil resistance Measure the resistance between No 1 BLU lead wire and No 2 BLU lead wire terminals of 2P YEL socket connected to the solenoid coil Refer 1 3 Othe
13. L FMO2 2 3 Electrical data CR C253GH Controller Description Symbols Description Compressor Motor CR C253GH Outdoor Controller Outdoor Fan Motor RY1 4 Auxiliary Relay Compressor Motor Magnetic Contactor e Terminal Plate Compressor Motor Termal Protector Terminal Outdoor Fan Motor Thermal Protector Connector High Pressure Switch Current Transmitter Running Capacitor Power Transformer Crank Case Heater Four Way Valve Fuse Thermistor Outdoor Coil C1 Thermistor Outdoor Coil C2 Thermistor Discharge Gas hg 854 2 5268 454 00 1 C363GH8 SM830033 3 Electrical data 3 2 Outdoor Uni SPW C483GH8 8HN9 E8T9 2 00 157 8929 2 758 M DAME TAA INYD LL U A 7 LHM d aap dz z 4019euu09 10 98UU0D 294 ANd LA IHM de S JOD uU0O d fo AHO NHJ cu aH NHA ANd 7 7 a 134 de Joyoauuog w u L L X84 a x Nua 14 o o LHM 4 to o LHM IA ob LIA AHOJ AUD AHA AUD AYD 4 09 o AHS SE
14. SM830033 _ 68 4 Service procedures 6 Symptom LCD on the remote controller is displaying CHECK E06 Unusual communication between the indoor and outdoor units Is the setting for the indoor address Correct the setting on the indoor unit PCB inappropriate No Is there a cut line or contact defect between an indoor and outdoor unit s control line 0337 MI Influenced by external noise See the section of INSTALLATION INSTRUCTION concerning with flexible combination system 7 Symptom LCD on the remote controller is displaying CHECK E08 Duplicate indoor unit address setting Is the setting for the non volatile Correct the setting memory IC on the indoor unit PCB inappropriate If the setting is appropriate F29 is displayed Are there two units with the same address No Influenced by external noise 0338 MI See the section of INSTALLATION INSTRUCTION concerning with flexible combination system 8 Symptom LCD on the remote controller is displaying CHECK E09 Duplicate setting of RCU address switch of remote controllers Are there two remote controllers master slave installed with both remote controllers set as masters No Replace the remote controller See the section of INSTALLATION INSTRUCTION concerning with controlling remote controller switches when there are two remote controllers Correct the setting 0339_M_I SM83
15. 1 and 2 on the 3P terminal plate in the indoor unit and terminal No 1 and 2 on the 8P terminal plate in the outdoor unit Check inter unit wiring Q Check that inter unit control wiring DC low voltage is correctly connected between the indoor unit and outdoor unit Power Supply 50 Hz 3 phase 380 400 415 V Indoor Unit Outdoor Unit B merunt O ra power wiring Line voltage 2 2 Sir Go d 9 Inter unit gt Oi 1 control wiring Low voltage 7 3 2 LI A D C amp L2 Di Power supply L3 380 415 V 3 Na 50 Hz 63 Io l Remote controller e Option DT Ground A 0499 MI Fig 29 Check power supply Q Check that voltage is within the specified range 10 of the rating Q Check that power is being supplied AE If the following troubleshooting must be done with power being supplied be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK Check the lead wires and connectors in indoor and outdoor units Q Check that the sheath of lead wires is not damaged Q Check that the lead wires are firmly connected at the terminal plate Q Check that the wiring is correct SM830033 60 4 Service procedures 2 General Troubleshooting Flow Chart Diagnosis and Remedy When you have found a major problem such as refrigerant not flowing in t
16. FD WN N v v Q L 940 TI LO m L N 5 LO S 1O oT u zu 1 T Dimension mm Hole for anchor bolt 4 913 Refrigerant tube joint narrow tube Flare connection 3 8 in 9 52 mm Refrigerant tube joint wide tube Flare connection 3 4 in 19 05 mm Refrigerant tubing inlet Power supply inlet 0412_C_S Fig 4 SM830033 22 1 5 Refrigerant Flow Diagram Outdoor Unit SPW C253GH5 SPW C253GH8 Indoor Unit 1 Specifications SPW X253GH56 Compressor Accumulator Accumulator Gas line service valve x High MES en A o pressure Z Switch S 4 way valve Heat exchanger 7 O D 96 35mm hippie lt 1 4 BE Ses cheese eke ox Sub heat exchanger Heat exchanger Distributor Strainer Electronic ref control A EN valve Liquid line service valve Liquid line Gas line nipple Strainer lt Cooling Cycle lt Heating Cycle Fig 5 0417_C_S SM830033 1 Specifications 1 5 Refrigerant Flow Diagram Outdoor Unit SPW C363GH8 SPW X363GH56 Indoor Unit SPW C483GH8 SPW X483GH56 Compressor Accumulator u Accumulator Gas line service ji High pressure valve OD Gas line switch 219 05mm nippe 3 4 Z Heat exchanger Heat exchanger Distributor Strainer Electroni
17. MINUTES gt lt gt lt gt lt gt COMPRESSOR OFF ON OFF ON OFF ON 1 OUTDOOR FAN HOR M OFF ON OFF ON OFF ON 3 SECONDS ke 2 Ma O INDOOR FAN OFF L LL L SET SPEED LL SET SPEED LL SET SPEED 2 any OFF ON OFF ON OFF ON OFF 31 C INDOOR HEAT x EXCH COIL 27 C TEMP E2 25 C SOLENOID ON REVERSING CYCLE COIL 4 WAY TEMP OPERATION BUTTON OFF ON 1 Refer to 2 4 Outdoor Fan Speed Control 2 Refer to 2 2 Cold Draft Prevention Heating 0672_X_S Fig 2 Chart Summary and Explanations Once the compressor starts it keeps running for 5 minutes Once the compressor stops it will not start running again for 3 minutes If you change the operation mode HEAT DRY COOL or FAN during the heating cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor When set on remote control sensor Thermo ON When room temperature is 1 C below the set temperature T Compressor gt ON Thermo OFF When the room temperature is 1 C above the set temperature T T 1 C Compressor OFF When set on body sensor NOTE In case of Body sensor operating temperature is shifted to setting temperature 4 C SM830033 97 2 Pr
18. below 17 C 18 1 0 thereafter the operation changes to heating again In heating operation using the body sensor room temperature control is designed so that room air temp is sensed as 4 deg lower than suctioned air at indoor unit taking into account of the temperature gap between upper part and lower part of the room Within 10 minutes after the compressor turns OFF the operation does not change to cooling heating even when the room temperature changes from C to A A to When switching from cooling heating to heating cooling the actuation of the 4 way valve will delay about 30 50 seconds after the compressor turns ON SM830033 95 2 Processes and functions 2 10 Defrosting Control Outdoor Heat Exchanger Coil Heating When the outdoor temperature is low frost may form on the outdoor heat exchanger coil When this occurred the defrosting system operates The microprocessor in the outdoor unit monitors the relationship between the temperature of the outdoor heat exchanger coil and the outdoor temperature so it can defrost when necessary Flow of Defrosting OUTDOOR COIL TEMP C1 C Y RELEASE OF DEFROSTING RANGE Heating operation OUTDOOR AIR TEMP CC 10 X No counting time for detecting frost 15 minutes The area below the heavy line Detecting tkie frost is the frost detection area Stand by time for defros 25 minutes Either continuous 8 minutes or cumulative 60 mi
19. better able to work by himself as well as assist the more experienced technician TABLE OF CONTENTS LEIT Eege 7 1 1 Unit Specifications nenne ee 8 1 2 Major Component Specifications nent 12 AJ Indoor WI E 12 B Outdoor UNIT unseres 14 1 3 Other Component Specifications ENEE 17 1 4 Meet 19 A Indoor Uhl unsere 19 OO OO E e EAEN EEE EEEREN REENE 21 1 5 Refigerant Flow Diagram zen 23 1 6 Operating Rande ee 24 2 PROCESSES AND FUNCTIONS sens nee 25 2 1 Room Temperature Control ANEN 26 ER OO cel ee 26 KBS NIN een 27 2 2 Cold Draft Prevention Heating Cycle 28 2 3 Automatic Fan Speed Indoor Unit 29 ANG nen een nee 29 B Heating SR tanaan aeaa a aa a aa 29 2 4 Outdoor Fan Speed Control 30 PMS OG NG EE 30 B Heating dd een 30 2 5 Freeze Prevention Cooling nnee onnenennerveneeenenseereeenennennnneereneenn 31 2 6 Condensing Temperature Control Cooling ene 32 2 7 Overload Protection Heating 33 2 8 Discharge Temperature Control Cooling and Heating nnee enen 34 2 9 Auto Mode for Automatic Heating Cooling Switching 34 SM830033 2 10 Defrosting Control Outdoor Heat Exchanger Coil Heating 36 2 11 4 Way Valve Solenoid Control 37 A Normal Control Mode ee en 37 B AUTO CO
20. control of discharge gas temperature high load prevention outdoor unit coil temperature and freeze prevention activates when it occurs 1 Refrigerant flow distribution control At the control of flexible combination a plural number of indoor units are set the opening degree of the electronic control valve is controlled by the indoor unit coil temperature Cooling indoor unit coil E2 temperature located at the middle of coil Heating indoor unit coil E1 temperature located at the outlet of coil 2 Fuzzy control optimal refrigerant flow rate control By outputting the fuzzy estimation result corresponding to the fuzzy input variables the indoor unit coil temp the deviation between the actual discharge gas temp and the target discharge gas temperature calculated from the outdoor unit coil temperature and the change thereof the electronic refrigerant valve is controlled so that the unit can perform its maximum ability in accordance with the indoor and outdoor temperature conditions at the operation SM830033 43 2 Processes and functions 2 20 Voltage Detection Control When the power voltage falls below 160 V voltage between N phase and each phase or rises above 260 V the P2 alarm is issued to protect the compressor and electrical components SM830033 _44 3 ELECTRICAL DATA 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 46 3 2 Outdoor Unit Electric Wir
21. controller before turning on the power supply set the R C address with S2 S3 on the outdoor control PCB R C address Refrigerant circuit address 1 30 Regarding the example of R C address for group control please refer to R C Address Setting Method C Central control when using the system controller In case of central control when using the system controller that is when linking outdoor units in a network a Before turning the power supply on set the R C address with S2 S3 on the outdoor control PCB b Remove the short plug CN4 2P Black from all outdoor units except one outdoor unit Regarding the example of R C address for central control and the position of CN4 please refer to R C Address Setting Method 0 Setting of indoor control PCB No setting is necessary Each indoor unit address UNIT No R C No is decided after auto address operation L Indoor unit No Refrigerant Circuit No R C address Manual setting for indoor unit address can be performed also by remote controller SM830033 101 4 Service procedures 7 R C Address Setting Method Outdoor unit R C address setting method In case of group control or central control set the R C address to 1 2 3 according to the No of outdoor units Refrigerant circuit address factory setting 0 AN N S2 position position ON ON side E S3 12 OFF side
22. cooling as well as some of the processes inside the unit by taking account of many different conditions of temperature fan speed etc These control circuits work automatically to send just the right amount of refrigerant through the Electronic Refrigerant Control Valve 2 14 Compressor Discharge Gas Temperature A Cooling Indoortemp C 20 25 26 28 29 32 Outdoor temp C 13 or below 14 16 27 35 36 43 Compressor discharge gas temp C 40 80 40 90 60 100 70 105 B Heating Except During Defrosting Indoor temp C 18 21 22 25 26 30 Outdoor temp C 0 or below 1 10 Oorbelow 1 10 11 21 Oorbelow 1 10 11 21 Compressor discharge gas temp C 40 80 50 90 40 90 50 100 160 105 50 90 60 100 70 105 Q Operate the unit at least 30 minutes to stabilize the discharge temperature Q The above discharge temperature was measured with a 15m tubing length The temperature may vary with tubing length SM830033 39 2 Processes and functions 2 15 Compressor Current Detection Circuit Q The Compressor Current Detection Circuit detects the compressor current and depending on the current range can stop the compressor motor so it will not be damaged by overcurrent Q Overcurrent can be caused by several factors particularly mechanical seizing of the compressor or liquid
23. indoor unit address UNIT No with the UNIT button after pressing the ON OFF button Finally remove the short circuit of DISP PIN And in case of group control be sure to restore the branch wiring to its original wiring In case of remote controller less system remove the remote controller SM830033 90 4 Service procedures J Change the period of the filter timer Q If the period of filter timer is not suitable for example in case of dirty environment the period can be shortened to half as follows a Press the TEST CHK button for more than 4 seconds and 4 CH LI 0 APS SLA FAN SPEED e ore TAT 5 IMER SE Ca 0213_M_I b In case of group control if you want to change all units in group control collectively proceed next step remaining ALL displayed If you want to change a unit individually select the indoor unit address UNIT No with UNIT button Select the CODE No 02 with w SET TEMP button d Change the No from 0 to 1 with a button EX UNIT No 1 6 UNIA Noe Move CODE No 02 ge X type 2 500 hr 1 250 hr ___SEVTENPY aso SETTING CE B FEST CHK 0214 MI Press the SET button CODE No 06 SET DATA and change from flashing to ON state If you ma
24. motor FMI e Check the socket s terminals between No 8 GRY lead wire and No 9 GRY lead wire 2 Compressor motor thermal protector 49C Outdoor unit Only for the SPW C253GH8 and SPW C363GH8 Disconnect the 8P connector white and the 9P connector white on the P C board and check 8P white plug s No 4 GRY lead wire and socket s No 9 GRY lead wire on the P C board 3 Outdoor fan motor thermal protector 49FO Outdoor unit Disconnect 8P connector s WHT which lead s to the outdoor fan motor FMO Check socket s terminal between No 3 GRY lead wire and No 4 GRY lead wire 4 High pressure switch 63PH Outdoor unit Disconnect the socket 63PH of 3P red connecting to the P C board and check both sides 1 white 3 red SM830033 94 4 Service procedures 3 Checking the Electrical Parts Power transformer TRI s n20000022 Indoor unit Measure the coil resistance e Primary Measure the resistance between No 1 and No 3 WHT lead wires terminals of 3P WHT socket connected to power transformer e Secondary 14V Measure the resistance between No 1 and No 2 RED lead wires 10V Measure the resistance between No 3 and No 4 BRN lead wires Refer to 1 3 Other component specifications 2 Power transformer TR2 Outdoor unit Measure the coil resistance e Primary Measure the resistance between No 1 and
25. proper functioning This air conditioner has many helpful self diagnostic features to help you identify problem areas quickly So you will be ready when a problem happens we suggest you look this manual over and become familiar with it by following these steps Look at the TABLE OF CONTENTS to get an idea of what is in this manual and where to find it Look at the chapter about TROUBLE SHOOTING so you are familiar with the way the flow charts work They are designed to guide you quickly through the possible causes for each kind of problem that is likely to happen to the Unit Particularly read the introduction to this section and the parts about the self diagnosis and error codes which show on the display Look at the chapter about CHECKING ELECTRICAL COMPONENTS You already know about most of these procedures This chapter gives you the specific values and methods for these components If you don t know some of these procedures you can easily learn them here Read the Instruction Manual The Instruction Manual is included here because it helps you help the user to set the temperature controls properly and know how to take care of any simple problems that may happen as well as know when to call for service The Instruction Manual also has illustrations care and installation information not found in the rest of the service manual It is short and if you read it carefully you will be able to answer the customers questions easily a
26. the outdoor unit PCB Is the outdoor fan wire winding protection thermostat 49FO off No Replace the outdoor fan Is the compressor protection thermostat 49C off except 48 type No refrigerant High load 4 way valve defect Clogged refrigerant circuit Electronic refrigerant control valve defect indoor unit Yes Is there connector contact defect Correct the connection No Replace the outdoor unit PCB 0342 MI SM830033 71 4 Service procedures 12 Symptoms LCD on the remote controller displays CHECK P03 Alarm for unusual discharge temp of compressor Unusual discharge gas temperature e Refrigerant shortage e Clogged refrigerant circuit e Electronic refrigerant control valve defect indoor unit 0343_M_I 13 Symptom LCD on the remote controller displays CHECK P04 High pressure switch activation warning Repair the wiring Are there connection defects in the wiring The system does not operate again Yes No High pressure switch defect High pressure switch activation Both cooling and heating e Electronic refrigerant control valve defect e Refrigerant over charged Cooling e Outdoor unit heat exchanger dirty clogged Outdoor unit air short Outdoor fan stopped Heating e Outdoor unit air short e Indoor unit heat exchanger dirty clogged Large pipe side service valve
27. the coil or sensor E2 located on the middle of the coil Freeze prevention cycle is controlled by the lower temperature sensed at either of the two sensors Chart Explanations and notes This chart shows when the electronic refrigerant control valve opens to regulate the temperature of the indoor unit coil to prevent freezing If the refrigerant control is not effective and the temperature continues to drop and stays below 0 C for 2 minutes continuously the control circuit stops the compressor The compressor does not start again until the temperature rises above 3 C The compressor stops for 3 minutes minimum SM830033 BECK 2 Processes and functions 2 6 Condensing Temperature Control Cooling Condensing temperature is controlled by the outdoor heat exchanger coil temperature as sensed by sensor C2 60 OUTDOOR UNIT COIL TEMP C2 CC 55 OUTDOOR FAN SPEED H M lu eas ELECTRONIC REF CONTROL VALVE OPEN 0436_M_S Fig 9 Chart Explanations and notes This chart shows how the outdoor fan speed and the electronic refrigerant control valve react to coil temperature to control condensing temperature Sensor C2 is located in the middle of the outdoor unit heat exchange coil When C2 rises above 60 C the electronic refrigerant control valve opens at 50 steps 30 seconds and the outdoor fan speed is forced to change to high H until C2 falls below 55 C S
28. to 10 LHM NHA cu wt NHA SH AOEZOV EN ANE a LHM dE aaH de 1A dE LHM d6 Ona de LHM dE TSA NHD NY9 seo qaq abieyosig LHM ma qat nya zo IMA de H9ESZI UI 4911010409 de ald d8 ld PPS PPS ona leujuwa L euwe EX ooo XX 19 wn Nelan Joopu OL T A ddns Jemod weu eig Buui 219915 SM830033 50 3 2 Outdoor Unit SPW C253GH8 Terminal Plate 8P L1 F1 8 15A poor 3 U 3 Electrical data CR C253GH Controller l D e o N P N VCC ne cl Outdoor Coil C1 Outdoor Coil C2 Discharge gas CTI N L3 L2 SE EE E E Description Symbols Description Compressor Motor CR C253GH Outdoor Controller Outdoor Fan Motor RY1 4 Auxiliary Relay Compressor Motor Magnetic Contactor Terminal Plate Compressor Motor Termal Protector Terminal Outdoor Fan Motor Thermal Protector Connector High Pressure Switch Current Transm
29. to the table below for the relationship between the sensor address and the location of the sensor Relationship between the sensor address and the location of sensor Sensor Address I CODE No Location of Sensor Themistor Indoor Unit 01 02 TH1 Indoor air suction Temp 03 TH2 Indoor coil Temp E1 04 TH3 Indoor coil Temp E2 Outdoor Unit 06 OA THOA Discharge gas Temp A 0B THOB Scroll protection thermostat OC OD THOD Outdoor coil liquid Temp C2 OE THOE Outdoor coil liquid Temp C1 NOTE In case there are no sensor equipped with the unit is shown on the display Resetting the remote controller display to previous mode U To reset the display press TEST CHK button then the remote controller will return to previous mode D Find out about past service problems The remote controller can memorize the max 4 most recent alarm messages so you can see problems the unit has had if any Knowing what has already occurred and been fixed helps you to know what to check at present 1 This function is usable even if the unit is not working A To display the past error codes follow the procedure below Procedure a On the remote controller press both TEST CHK and SET buttons at the same time for more than 4 seconds b Once in this mode display changes from the normal display to service check display as shown in the table
30. tubing vacuuming and gas charging if necessary 3 Check the capacity code and model code setting The factory setting is as shown in the table The capacity code is set by S4 green or Blue 4P DIP switch on outdoor control PCB The model code is set by S5 black 2P DIP switch on outdoor control PCB Outdoor control PCB S4 green or Blue capacity code 4P DIP switch ON side S5 black model code 2P DIP switch ON ON side 0510_C_I S4 Capacity code S5 Model code No Outdoor PCB No Outdoor PCB Model No 1 2 3 4 Model No 1 2 25 type 1 phase ON ON ON OFF 25 type 1 phase ON OFF 25 type 3 phase ON ON ON OFF 25 type 3 phase OFF OFF 36 type 3 phase OFF ON OFF ON 36 type 3 phase OFF OFF 48 type 3 phase OFF OFF ON ON 48 type 3 phase OFF ON SM830033 104 4 Service procedures 11 Test Run Procedure Multiple remote control Turn on RCU address SW of sub remote control unit Recheck the test items before test operation See 4 2 10 Check the indoor and outdoor unit combination wiring Single type One indoor unit and one remote controller for one Multiple indoor units for one outdoor units Yes Yes Turn on power supply for indoor units side first Then turn on power supply for out
31. 0033 69 4 Service procedures 9 Symptom LCD on the remote controller displays CHECK P01 Indoor fan protection thermostat operation warning Is there 220 240 V AC between S4 and T20 3 on the indoor unit PCB Yes Correct the connection Is there 220 240 V AC between Is the indoor fan wire winding T20 3 and S4 after T20 1 and T20 3 protection thermostat 49FI off on the indoor unit PCB shorted Replace the indoor fan Replace the indoor unit PCB 10 Symptom LCD on the remote controller displays CHECK P10 Indoor float switch operation warning 0340_M_I Replace the indoor unit PCB Is there 12 V DC between FS 1 and FS 3 on the indoor unit PCB Yes N Is the float switch off Correct the connection Yes Drain pump defect Clogged drain 0341_M_I SM830033 4 Service procedures 11 Symptom LCD on the remote controller displays CHECK P02 Compressor outdoor fan protection thermostat operation warning power supply voltage abnormality Is the power supply to the outdoor Check the power breaker etc unit normal and repair Voltage defective phase Yes Is the fuse on the outdoor unit Replace the fuse PCB blown F1 and F2 No Is the high voltage switch 63 PH off Replace the outdoor unit PCB No Is there 220 240 V AC between Replace the outdoor unit PCB CN19 9 and CN19 1 on
32. 1 Rated AC 230 V 14 7 W Float switch FS 3502 204 Rated Contact rated AC 230 V 50 W 18 SM830033 1 Specifications 1 4 Dimensional Data A Indoor Unit SPW X253GH56 207 205 760 860 820 Ceiling opening 590 Suspention bolt pitch Ba 500 820 Ceiling opening Panel center SE de ES a 730 Suspention bolt pitch Air intake grille Air outlet Refrigerant liquid line g 6 35 Refrigerant gas line 15 88 Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspention bolt mounting 0410_X_S Fig 1 SM830033 19 1 Specifications 1 4 Dimensional Data A Indoor Unit SPW X363GH56 SPW X483GH56 218 ee 210 X view 820 Ceiling opening 8 L 860 J a 590 Suspention bolt pitch 500 g 342 115 O x N
33. 3 MINUTES MORE THAN 3 MINUTES COMPRESSOR OFF ON OF ON OFF ON OFF ON MORE THAN MORE THAN 30 50 SECONDS _ 30 50 SECONDS SOLENOID COIL AWAY VALVE OFF ON OFF ON 0445_M_S Fig 16 When the Compressor has stopped while in AUTO mode the 4 way valve switches on heating or off cooling within 1 minute according to the following conditions Compressor has stopped under the operation of AUTO mode condition 4 way valve delays its switching for 30 50 seconds after compressor has been turned ON 0446_M_S Fig 17 2 12 Automatic Restart after Power Interruption This air conditionner has a power failure recovery function SM830033 38 2 Processes and functions 2 13 Electronic Refrigerant Control Valve Q This valve allows very precise and smooth control of the amount of refrigerant flow in the system Since the valve is operated by a step motor the control circuits can open or close it in very exact amounts so the degree of heating or cooling can be changed by just a little or changed very quickly or slowly Completely close 0 step Full open 480 step Model Min open M ax open er HEAT COOL ij 25 type 100 step 120 step 36 type 90 step 90 step 480 step 48 type 100 step 110 step Q Fuzzy Control Fuzzy Control is a controlling system to control electronic refrigerant control valve using fuzzy logic It regulates the functions of heating and
34. 9415 Run capacitor 440 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 14 SM830033 1 2 Major Component Specifications B Outdoor Unit 1 Specifications Unit Model No SPW C253GH8 Source 380 400 415 V 3 phase 50 Hz Controller P C B Ass y CR C253GH Microprocessor Control circuit fuse 250 V 3 15 A Compressor Rotary Hermetic Model number C R224H8U Source 380 400 415 V 3 phase 50 Hz Nominal output 2400 Compressor oil 1350 Coil resistance Ambient temperature 25 C 554 R S 5 54 5 54 Safety devices Overload relay models Internal type Operating temperature C 120 5 C 98 11 Crank case heater 240V 25 W Refrigerant amount at shipment kg R22 3 0 High pressure switch ACB 1TB07 Set pressure OFF kg cm 2 0 30 0 5 ON kg cm 24 2 0 Fan Propeller Number diameter Fan speeds Fan motor Model KFC6T 91C5P Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230 V High Med 6 772 376 Nominal output 70 Coil resistance Ambient temperature 20 C WHT BRN 127 3 VLT YEL 15 0 WHT VLT 56 7 YEL PNK 7 2 Safety device Internal type Operat
35. CK IZI FIT CHECK ZI DT 1 CHECK ee LI r LC LI SERVICE SERVICE SERVICE SERVICE UNIT No l 1 R C No CODE No If there are no alarm messages the display shows ri Alarm message CHEGK SERVICE 0360_M_I SM830033 _ 82 4 Service procedures Never press CL clear button unless you want to erase the accessed data in memory Follow the procedure below only when erasing is necessary 1 To erase accessed data press the CL button LI When erasing is finisned mark appears on the controller s display Na After checking the alarm messages be sure to press the TEST CHK button E Check the remote controller itself for correct operation The remote controller has a self diagnostic function to check if it works properly Use this procedure to find out if the remote controller itself is in trouble Turn ON the RCU CK switch on the back of the P C B Ass y in the remote controller See section A for exact location b The appearance of the display will tell you whether or not the remote controller is working correctly or not LI Normal condition All displays appear for 10 seconds then disappear LI Unusual condition All displays flash ON and OFF for 10 seconds then disappear Na After checking the panel be sure to set the RCU CK switch to this original OFF position SM830033 83 4 Service procedures F Execute the auto address operation
36. Crank Case Heater Four Way Valve Fuse Thermistor Outdoor Coil C1 Thermistor Outdoor Coil C2 Thermistor Discharge Gas 55 854 2 5268 457 00 2 C483GH8 SM830033 3 Electrical data SM830033 56 4 SERVICE PROCEDURES 4 1 Troubleshooting ee 58 1 Check before and after Troubleshooting 59 2 General Troubleshooting Flow Chart Diagnosis and Remedy 61 3 Meanings of alarm messages seseseseeneeeeeerrrreeserernnneeerrrnnnneerere ne 63 4 LED Indication on the Outdoor Units P C B ASSY 65 5 Symptoms and parts to inspect smeten eneen 66 6 Procedures When a Specific Component Does Not Work 76 7 Service Functions of Remote Controller 78 4 2 Checking the Electrical Components 92 1 Measurement of Insulation Resistance Ae 92 2 Checking the Protective Devices 94 3 Checking the Electrical Parts 95 4 Sensor and Solenoid Layout Diagram 98 5 Thermistor Characteristic Curve 100 6 PCOB S6tti
37. E _ a OUTDOOR FAN SPEED HORM N HORM COMPRESSOR ON ELECTRONIC REF NTROL VALVE DISCHARGE TEMP OPEN OPEN A TRIP IS OPERATED 0439_M_S Fig 11 Chart Summary and Explanations Discharge temperature is sensed by TH8 discharge gas sensor When the temperature rises above 95 C the electronic refrigerant control valve opens at 50 steps 30 seconds until the temperature falls below 93 C During HEATING operation when the temperature rises above 105 C the control circuit stops the outdoor fan motor until the temperature falls below 90 C Please note that this control does not function during COOLING operation For both COOLING and HEATING modes if the temperature reaches 115 C 135 C for 48 type the operation shuts down and alarm P3 appears on the remote controller The outdoor fan speed is controlled on discharge temp at heating mode 2 9 Auto Mode for Automatic Heating Cooling Switching Q When the AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to the COOLING or HEATING mode to maintain the desired temperature Room temp Settemp gt COOLING Room temp lt Settemp gt HEATING This means that if the room temperature is higher or equal to the set temperature COOLING operation starts If the room temperature is lower tha
38. ERANT TUBING Limit of tubing length 50 164 Limit of tubing length at shipment 30 98 Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 outer diameter Wide tube mm in 15 88 5 8 DIMENSIONS amp WEIGHT Unit dimensions Package dimensions Net weight 7 71 Gen Shipping weight g lb 77 104 77 170 Shipping volume m a ft 0 4 14 1 0 349 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 270 DB 19C WB Outdoor air temperature 3 DB Full load conditions Indoor air temperature 35C DB 25C WB Outdoor air temperature 4 DB Heating Rating conditions Indoor air temperature 20C DB Outdoor air temperature C DB 6C DB Full load conditions Indoor air temperature 24C DB Outdoor air temperature 240 DB 15 5C WB SM830033 1 Specifications 1 1 Unit Specifications MODEL No Indoor Unit_ 0 SPW X253GH56 SPW C253GH8 POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Heating Capacity w 23 jJ 8 BTU h 25 000 27 000 Moisture removal High est 36 ELECTRICAL RATINGS EE en 2 76 85 6 2 64 27 Controls Thermostat control Microprocessor LC thermostat Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable eas
39. Gem E High pressure switch is activated P04 Timer lamp 2 Negative phase or voltage drops P05 x Heat stand Other indooor unit is warning P31 by lamp SM830033 4 Service procedures Wired remote Wireless remote Possible causes of troubles controller controller display display Indoor thermistor is either Indoor coil temp E1 TH2 cannot be detected F01 Operation lamp open or short i E2 TH F02 and heat stand by 5 ndoor coil temp E2 TH3 cannot be detected 0 lamp flash x Indoor room temperature cannot be detected F10 alternately 2 Outdoor thermistor is either Discharge gas temp A PC compressor THOA cannot be detected F04 Operation open or short Fr lamp 5 Outdoor coil liquid temp C1 THOE cannot be detected F06 Timer lamp Outdoor coil gas temp C2 TH0C cannot be detected F07 Heat stand Scroll protection thermostat F09 by lamp e Non volatile memory IC EEPROM is abnormal Indoor control panel F29 Protective device for PC compressor motor is overloaded H01 k Pt S e Se D compressor is activated PC compressor motor is locked Ho2 af Compressor current detection circuit is defective H03 34 Timer lamp PSS Scroll proteiton thermostat H04 Heat stand Ji No detection of scroll protection thermostat H05 by lamp Low pressure switch HO6 Power supply voltage between phases is unbalanced H17 Standa
40. INGS EEE EE V 342 456 342 456 86 88 89 9 92 8 3 75 foo oa 2 w 7 5 m 73 75 Controls Thermostat control Microprocessor LC thermostat Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access Remote controller Option Wired RCS SH80TG Wireless RCS SH80TGWL Refrigerant control Electronic Refrigerant Control Valve Drain pump drain connection Max head 25cm above drain connection Compressor Scroll Operation sound Indoor Hi Me Lo dB A 43 40 36 Outdoor Hi dB A 55 REFRIGERANT TUBING Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 outer diameter Wide tube mm in 19 05 3 4 DIMENSIONS amp WEIGHT Unit dimensions Height mm in Depth mm in Package dimensions Width mm in 1 016 40 Net weight kg Ib 38 84 108 238 Shipping weight kg Ib 62 137 115 254 Shipping volume m Cu ft 0 556 19 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE V 9 1 4 8 86 5 2 89 71 N a gt O oO a D 3 3 3 Cooling Rating conditions Indoor air temperature 270 DB 19 C WB Outdoor air temperature 3 DB Full load conditions Indoor air temperature 35C DB 25C WB Outdoor air temperature 4 DB Heating Ra
41. Indoor Outdoor Unit Combination Numbers Display the indoor outdoor unit address after automatic address setting When installing multiple units match the indoor unit address numbers and the outdoor R C address numbers and display them at an easy to check location near the nameplate with an oil based magic marker or other indelible marker so that the individual indoor and outdoor unit combinations can be checked Example Outdoor Unit 1 Indoor Units 1 1 1 2 1 3 Outdoor Unit 2 Indoor Units 2 1 2 2 posses Displaying indoor outdoor unit address is necessary for maintenance Always label numbers Check indoor unit address with the remote controller Press the TEST CHK button for at least 4 seconds and check the indoor unit address with the UNIT button Each time you press the UNIT button the address changes 1 1 1 2 2 1 2 2 The fan for only the selected indoor unit turns on at high speed so check which indoor unit runs and label the indoor unit address If there is 1 outdoor unit the addresses are 1 1 1 2 When you press the TEST CHK button again the system returns to normal remote control mode SM830033 4 Service procedures 10 Items to Check Prior to Test Run 1 Turn on the power supply switch more than 5 hours before in order to charge the crank case heater 2 Fully open the outdoor service valve after making the leak inspection of field connected
42. M I een 38 2 12 Automatic Restart after Power Interruption nennen 38 2 13 Electronic Refrigerant Control Valve AAA 39 2 14 Compressor Discharge Gas Temperature ee 39 CA GOOG EE 39 B Heating Except During Defrosting ENEE 39 2 15 Compressor Current Detection Circuit 40 2 16 Dehumidifying Operation ss 41 2 17 Auto flap COMMON E 42 2 18 Dian Pump GoOnro u u u ee 42 2 19 Electronic Refrigerant Control Valve Control sssssssssssssseerrrnnreserrnnnnnnrrrernnn 43 2 20 Voltage Detection Control si sn rn eu ENEE 44 3 ELECTRICAL DATA A 45 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 46 3 2 Outdoor Unit Electric Wiring Diagram Schematic Diagram 48 4 SERVICE PROCEDURES a 57 21 Te OA Wi he 58 4 2 Checking the Electrical Components wamawimizu maai 92 5 INSTRUCTION MANUAL un 107 SM830033 Introduction Read Me First This manual will help you understand and service the air conditioner To help you find the information you need we have divided it into 5 main sections Each section is divided into chapters with charts tables and explanations to help you find and repair problems Section 1 Specifications tells you about the physical and electrical make up of the unit as well as its heating and cooling capacities L
43. M830033 106
44. M830033 99 2 Processes and functions 2 7 Overload Protection Heating This function prevents the air conditioner from overloading C 64 62 60 INDOOR UNIT COIL TEMP E2 59 55 OVERLOAD x Se PROTECTION OVERLOAD PROTECTION gt gt lt kl FUZZY CONTROL FUZZY CONTROL ELECTRONIC REF CONTROL VALVE OPEN OPEN START UP ZEN OUTDOOR FM wasa COMPENSATION Io u HORM 0438_M_S Fig 10 Chart Explanations and notes This chart shows how the outdoor fan speed and the electronic refrigerant control valve react to coil temperature to keep the indoor heat exchanger coil from overloading When sensor E2 rises above 60 C the electronic refrigerant control valve opens at 50 steps 30 seconds until E2 falls below 59 C Sensor E2 is located in the middle of the indoor unit heat exchange unit When sensor E2 rises above 62 C the control circuit stops the outdoor fan motor till the temp drops to 55 C Fuzzy control controls the electronic refrigerant control valve SM830033 33 2 Processes and functions 2 8 Discharge Temperature Control Cooling and Heating This function prevents the compressor motor from burnout by overheating 135 115 125 105 115 95 f 113 93 DISCHARGE GAS TEMP G 110 90 105 85 THE TEMPERATURES IN THE PARENTHESIS i 4 IS FOR 48 TYP
45. NUTES 5 MINUTES gt lt gt lt gt lt gt lt COMPRESSOR ON OFF ON OFF ON 1 OUTDOOR FAN ON OFF ON OFF ON H OR M INDOOR FAN SET SPEED DRAIN PUMP ON OFF ON OFF ON DEW PROOF HEATER ON OFF ON OFF ON 1 Refer to 2 4 Outdoor Fan Speed Control 0671_X_S Fig 1 Chart Summary and Explanations Once the compressor starts it keeps running for 5 minutes Once the compressor stops it will not start running again for 3 minutes If you change the operation mode HEAT DRY COOL or FAN during the cooling cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor Thermo ON When room temperature rises 1 C 2 C when set on body sensor above the set temperature T T 1 C or T 2 C when set on body sensor Compressor ON Thermo OFF When the room temperature is 1 C below the set temperature T Compressor gt OFF SM830033 96 2 Processes and functions B Heating THERMO ON THERMO ON REMOTE CONTROL THERMO OFF SENSOR Only for wireless remote controller SET 1 C SETTING TEMP SET 1 C THERMO OFF THERMO ON THERMO OFF THERMO OFF THERMO ON THERMO ON BODY SENSOR HERMO ON er 1 C SET TEMP 4 C SHIFT 1 C SET TEMP gt MORE THAN MORE THAN 5 MINUTES 3 MINUTES 5 MINUTES 3
46. No 3 WHT lead wires terminals of 3P WHT socket jointed to power transformer e Secondary 14 V Measure the resistance between No 1 and No 2 BRN lead wires Refer to 1 3 Other component specifications 3 Indoor fan motor FMI Indoor unit Measure the coil resistance e Measure the resistance between each terminal of 9P WHT socket connected to the indoor fan motor Refer to 1 2 A Major component specifications 4 Outdoor fan motor FMO Outdoor unit Measure the coil resistance e Measure the resistance in the same manner as explained above 3 Refer to 1 2 B Major component specifications Fan motor capacitor Both in indoor and outdoor unit e Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 45 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position Multimeter NOTE The range of deflection and the deflection time differ according to the capacity of the capacitor Fan motor Fig 45 Capacitor 0643_X_S SM830033 95 4 Service procedures Solenoid coil of the electronic refrigerant Measure the coil resistance control valve ERCV
47. P terminal plate Fig 40 See Fig 29 SM830033 92_ 4 Measurement of Insulation Resistance for Electrical parts e Disconnect the connector of the desired electric part from terminal plate P C B Ass y etc Fig 42 e Similary disconnect the lead wires from compressor capacitor etc Fig 43 e Measure the resistance in the same manner as illustrated on the right Refer to Electrical Wiring Diagram NOTE If the probe does not enter the hole because the hole is too narrow use a probe with a thinner pin 4 Service procedures Clip Copper tube or metallic part Insulation tester 0640_X_S Fig 42 From fan motor compressor and other parts lt ATN Metallic Probe 7 part H Clip Insulation tester 0641_X_S Fig 43 SM830033 _ 93 4 Service procedures 2 Checking the Protective Devices Disconnect the connector which consists of P plug and S socket when you want to check the protective device Then check continuity among plug s and or socket s terminal as in Fig 44 e Normality of the protective device can be judged by the following table The Protective Device is proved normal if there is a continuity between terminals socket Multimeter 0642_X_S Fig 44 Indoor fan motor thermal protector 49Fl Indoor unit Disconnect 9P connector WHT which leads to the indoor fan
48. SERVICE MANUAL SPW X253GH56 SPW C253GH5 SPW X253GH56 SPW C253GH8 SPW X363GH56 SPW C363GH8 SPW X483GH56 SPW C483GH8 SPLIT SYSTEM AIR CONDITIONER PRODUCT CODE No OUTDOOR MODEL No PRODUCT CODE No SPW C253GH5 SPW X253GH56 854 011 35 SANYO FILE NO 854 012 18 SPW X253GH56 854 011 35 SPW X363GH56 854 011 36 SPW C363GH8 854 012 20 SPW X483GH56 854 01137 SPW C483GH8 854 012 21 Indoor Unit SPW X253GH56 SPW X363GH56 SPW X483GH56 85464849133001 SPW C253GH8 854 012 19 Outdoor Unit aN SPW C253GH5 SPW C253GH8 Gy lt SS SSZ N Sa WA A SG SD lt SS SPW C363GH8 SPW C483GH8 REFERENCE NO SM830033 WHO SHOULD USE THIS MANUAL This service manual is made to assist the service technician apply his knowledge and training to this model air conditioner This manual is written both for experienced service persons and those who are new to air conditioning service To help those with less experience or who are new to this kind of unit we have included more explanations of basic procedures in simple language than is usual in some service manuals The experi enced technician will of course find he knows many of these things already and can go directly to the procedures and information he needs the less experienced technician will better understand what to do even before he arrives on the job and therefore be
49. T CHK and buttons at the same time for more than 4 seconds IMER SE r FAN SPEED 0362_M_I Select the R C No which you want to change with the UNIT up or FLAP down buttons Press the SET button to confirm the R C No The smallest registered indoor No and the selected R C No will be displayed Fx R C No 3 is selected Indoor No 2 is the smallest indoor No of the R C No 3 MODE E SET TEMP Cy E CE E FEST CHK 0363 MI Select the indoor No which you want to change with UNIT button Once in this mode the fan motor of selected indoor unit will turn on and let you confirm the indoor unit address SM830033 _ 85 4 Service procedures Set the required new indoor unit s No by pressing the a w button Ex UNIT No 3 6 currently registered indoor unit address Required new indoor No 8 SET DATA In this case UNIT No 3 6 current 3 8 NEW after pressing the TEST CHK button 0364_M_I f Press the SET button UNIT No SET DATA 0008 and changes from flashing to ON state If you made a mistake press the CL button 5 Finally press the TEST CHK button If you want to cha
50. arch action for sensing flap position is not succeeded in one minute only the swing is operated 2 18 Drain Pump Control When the compressor is ON in cooling operation the drain pump will start to operate When the compressor is stopped by freeze prevention function the drain pump will run for 20 minutes After the float switch turns ON the drain pump will start to operate 5 minues After the recovery of the float switch the drain pump turns OFF SM830033 42 _ 2 Processes and functions 2 19 Electronic Refrigerant Control Valve Control The circulation volume of the refrigerant is controlled by a pulse type electronic control valve When the power is switched ON the opening degree of the electronic control valve is controlled between 90 and 480 steps after setting the initial step at the time when the thermostat is ON Contents and Order of control Cooling Heating Start Start Discharge gas temperature control Discharge gas temperature control Outdoor unit coil temperature control High load prevention control il Wi Freeze prevention control Heating start up control Refrigerant flow distribution control Refrigerant flow distribution control Discharge gas target temperature Discharge gas target temperature control Fuzzy control control Fuzzy control i Repeat control in accordance with the priority order 0451_M_S Even though the operation is performed every 30 seconds the
51. backflow Either of these conditions can hold the compressor to run and thus drawing so much current that the motor can burn out Comp Amps A Locked Comp Cut off Range Is x 1 4 Overload Protection Range Isx 1 17 Is gt Normal Operation Range bey Set value ecc 0447_M_S Fig 18 Outdoor Model Rated Current Value Overload Protection Locked Compressor Cut off utdoor Mode Is A Is x 1 17 A Is x 1 4 A SPW C253GH5 24 0 28 08 33 6 SPW C253GH8 ZA 8 3 9 9 SPW C363GH8 15 8 8 10 5 SPW C483GH8 10 4 12 2 14 6 Chart Summary and Explanations Overload Protection e When the detected current is 1 17 1 4 times greater than the rated current value Is and continues for 30 seconds both compressor and outdoor fan stop Thermostat OFF After 3 minute pause if the air conditioner is ready for Thermostat ON it starts again However if the condition mentioned above repeats twice within 30 minutes the remote controller displays the alarm message H01 compressor overload Locked Compressor Cut off e When the detected current is 1 4 times greater than the rated current value ls and continues for 2 seconds both compressor and outdoor fan stop Thermostat OFF After 3 minute pause if the air conditioner is ready for Thermostat ON it starts again However if the condition mentioned above repeats twice the remote controller displays the alarm message H02 compressor locked Fai
52. below NORMAL DISPLAY e Da SERVICE CHECK DISPLAY Set temp gt Code No UNIT No gt UNIT No Indoor unit address Hours Minutes gt Alarm Message SM830033 _81 4 Service procedures This picture shows the service check display UNIT No UNIT No rr l 1 1 RC mo ZEN sds Nb NM lt Refrigerant Circuit No I I tix CODE No N m Alarm message E II Al Service 0358_M_I A maximum of 4 alarm messages can be accessed by pressing either SET TEMP button A or e as follows NOTE Pressing CL Clear button will clear all A Pasi the service history SETTEMP pron L W Pe en A accessed in order of Past gt Present d w accessed in order of Present gt Past FAN SPEED 0359_M_I For example if the last four alarm messages were in order of occurrence from oldest to most recent P01 P02 P04 and most recently E01 then the display will be shown as below when you press w button four times The 5th time you press w button you can repeat the display then the first message will be shown again UNIT No UNIT No UNIT No UNIT No J Jl HI 1 1 R C No gt R C No gt R C No gt R C No CODE No CODE No CODE No CODE No ILI TIZI TIZI NI IA LA 11 a LI FI I CHECK ZI ITI CHE
53. c N Distributor ref control ee valve y Liquid line service M valve Liquid line O D nipple 29 52mm 3 8 3 lt Sub heat exchanger Sch Cooling Cycle Heating Cycle Hot equipped in SPW C483GH8 0418 Cs Fig 6 1 6 Operating Range Temperature Indoor air intake temp Outdoor air intake temp Maximum 35 C DB 25 C WB 45 C DB Cooling Minimum 17 C DB 14 C WB 5 C DB Maximum 27 C DB WB 24 C DB 18 C WB Heating Minimum 16 C DB WB 15 C DB WB SM830033 _24 2 PROCESSES AND FUNCTIONS 2 1 Room Temperature KE eegener itd ee 26 OP OUI Eee ee et 26 B Heath nen ee u 27 2 2 Cold Draft Prevention Heating Cycle 28 2 3 Automatic Fan Speed Indoor Linden nanas 29 CA COCOON ee ee ne ee ter ee ee 29 CE MB de RE 29 2 4 Outdoor Fan Speed Control ee 30 KA COUN ee attente a em lo mous 30 E ne au uuu AAA en ee 30 2 5 Freeze Prevention SOON neue este 3i 2 6 Condensing Temperature Control Cooling 32 2 7 Overload Protection PISANG 288 en nee on 33 2 8 Discharge Temperature Control Cooling and Heating 34 2 9 Auto Mode for Automatic Heating Cooling Switching nennen 34 2 10 Defrosting Control Outdoor Heat Exchanger Coil Heating 36 2 11 4 Way Valve Solenoid Contour 37 A Normal Control M
54. ch heading you will find the main things that can go wrong and cause either of these problems Sometimes you can start with this chart and find the problem right away but often you will come here for more suggestions after you have looked at the error code on the remote control unit display This chart gives you the big picture of problems and solutions The other main tool we explain here is the use of the Alarm Messages When a certain part fails or a safety device has shut the unit down any alpha numeric codes appears on the display to guide you to the problem By understanding the code you can often go right to the problem area and then with this manual and your knowledge of air conditioning find the solution SM830033 _ 58 4 Service procedures 1 1 Check before and after Troubleshooting SPW C253GH5 Many problems may happen because of wiring or power supply problems so you should check these areas first Problems here can cause false results in some of the other tests and so should be corrected first Check power supply wiring Q Check the power supply wires are correctly connected between terminal No 1 amp 2 on the 3P terminal plates in the indoor unit and the outdoor unit Check inter unit wiring Q Check that inter unit control wiring DC low voltage is correctly connected between the indoor unit and outdoor unit Power Supply 50 Hz single phase 220 230 240 V Inter unit power wiring Indoor Unit Ou
55. closed Indoor fan stop Air filter clogged 0344 MI SM830033 f 4 Service procedures 14 Symptom LCD on the remote controller displays CHECK P05 Negative phase detection operation warning Is the power supply to the outdoor Check the power breaker etc unit normal and repair Voltage defective phase Does the outdoor unit operate when No problem two of the three phases are changed Actuation of negative phase protector Is the fuse F1 F2 on the indoor unit PCB blown Is there a contact defect in the 3P connector No Replace the outdoor PCB Replace the fuse Correct the connection 0345 MI 15 Symptom LCD on the remote controller displays CHECK E15 When the group of the units are installed is there any mis cross p 9 between interunit control wiring and refrigerant tubing Are the total capacities of indoor units Select an indoor unit which matches to that of outdoor units less than 93 with the outdoor capacity Check the contact Are there no contact failure between outdoor and indoor units No Perform the same as CHECK E04 0646_M_S SM830033 73 4 Service procedures 16 Symptom LCD on the remote controller displays CHECK E16 When the group of the units are installed is there any mis cross Spall We wiring between inter unit control wiring and refrigerant tubing Are the to
56. d misjudgment always remove the No 1 line of the remote controller wiring from the indoor unit terminal plate en SM830033 67 4 Service procedures 4 Symptom LCD on the remote controller is displaying CHECK E04 Unusual communication between the indoor and outdoor units Is the contact good at the 2P connector for indoor serial Cut the breaker and remove the indoor outdoor unit control lines connected to U1 and U2 of the indoor unit 8P terminal plate Correct the connections communications on the outdoor unit PCB After shorting the test pin CN2 on the indoor unit PCB switch the breaker on Does the LED red on the PCB light up Replace the indoor unit PCB Yes Yes Cut the breaker remove the Is the contact good at the 2P Correct the connections indoor outdoor unit control connector for indoor serial lines connected to U1 and U2 of communications on the outdoor the outdoor unit 8P terminal plate unit PCB After shorting the test pin CN11 on the outdoor unit PCB switch the breaker on Do the LEDs red x 2 on the PCB flash Yes Indoor outdoor unit Replace the indoor unit PCB control lines are cut off Correct the wiring 0335 MI 5 Symptom LCD on the remote controller is displaying CHECK E05 Unusual communication between the indoor and outdoor units Indoor unit PCB transmission reception circuit defect Replace the indoor unit PCB 0336_M_I
57. ddns 1emoq SM830033 48 3 2 Outdoor Unit D SPW C253GH5 Terminal Plate 6P D 3 a pi e CT 3 Electrical data r CR C253GH5 Controller VCC Outdoor Coil C1 Outdoor Coil C2 Discharge gas CTI Lief Symbols Description Symbols Description Compressor Motor CR C253GH5 Outdoor Controller Outdoor Fan Motor RY1 4 Auxiliary Relay Compressor Motor Magnetic Contactor e Terminal Plate Outdoor Fan Motor Thermal Protector Terminal High Pressure Switch O Connector Current Transmitter Running Capacitor Power Transformer Crank Case Heater Four Way Valve Fuse Thermistor Outdoor Coil C1 Thermistor Outdoor Coil C2 Thermistor Discharge Gas 49 854 2 5268 452 00 2 C253GH5 SM830033 3 Electrical data SPW C253GH8 3 2 Outdoor Uni BHDESZO 0 00 897 8929 2 758 M T3A NdS SE w A c Nga qat de LHM d8 108UU09 10 98UU0D st AHO AUD 4 09 AUD DAN L Gan de 4oj699uuoo yNd Nd NugJTs s Nug ESG 1AJ of LIA LHM4
58. de a mistake press the CL button Finally press the TEST CHK button SM830033 91 4 Service procedures 4 2 Checking the Electrical Components 1 Measurement of Insulation Resistance e The insulation is in good condition if the resistance exceeds 1 MQ Power Supply Wires Clamp the earthed wire of the Power Supply wires with a lead clip of the insulation resis Earthed wire tance tester and measure the resistance by placing a probe on either of the power wires Fig 39 Then measure the resistance between the earthed wire and the other power wire Fig 39 Insulation Indoor Unit I tester Clamp an aluminum plate fin or copper tube Fig 39 with the lead clip of the insulation resistance Terminal piate tester and measure the resistance by placing a probe on high voltage terminal on the terminal plate Fig 40 See Fig 28 0638_X_S 3 Outdoor Unit SPW C253GH5 Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on Clip and then Q on the 8 or 6P terminal plate Fig 40 Copper tube or See Fig 28 metallic part 0639_X_S 3 Outdoor Unit SPW C253GH8 Fig 40 SPW C363GH8 SPW C483GH8 Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on and then 6 and then on the 8
59. door unit side control for multiple outdoor units Yes Setthe outdoor unit R C address Turn on power supply switch Go to next R C line See 4 2 6 B No Press A ADD S1 button Execute auto address operation with the remote controller See 4 2 8 Finish all R C line Central control for multiple outdoor units Yes CN4 Open Set the outdoor unit R C address Go to next R C line Turn on power supply switch See 4 2 6 C No or Press A ADD S1 button Execute auto address operation with the remote controller Yes Finish all See 4 2 8 R C line Le Display the combination number See 4 2 9 gt Set the remote controller to test operation Check according the self diagnostics function table and if you find defective parts repair them according to Service Manual Does the unit work Note Check the indoor side drain water Return the remote controller to normal End 0676_M_I NOTE 1 One of CNA of all linked outdoor units shold be short 2 Incase of using system controller zone registration is required after finishing Test run Regarding the zone registration please refer to Installation Instructions attached with system controller SM830033 105 4 Service procedures S
60. dress and the sensor address The indoor unit address is used only when several units are hooked up to one remote controller group control If there is only one unit made up of one indoor and one outdoor unit then only the sensor address should be put in as shown in the procedure below Follow this procedure to display the temperature of each sensor a On the remote controller press both TEST CHK and CL buttons at the same time for more than 4 seconds C SETTEMP 0356 MI The UNIT No the address and temperature of the sensors instead of its usual information will flash on the display to check with UNIT button LI Following example shows the UNIT No Indoor unit address is fixed at 01 01 Q In case of group control select the UNIT NO Indoor unit address which you want LI Each time you press the a SET TEMP button you can select a different sensor and the display shows the sensor address and temperature as shown UNIT No Indoor unit address below AIR FLOW UNIT are amp MODE Fe ee CS CODE No SET TI TIMER SET Lie ET x FAN SPEED 8 H Lt 025 BA TEST CHK Sensor address Hs Sensor temperature C 0357 MI Do not press TIMER SET button during the procedure 80 SM830033 4 Service procedures Refer
61. ear on the Indoor Remote Controller The compressor keeps running even when the refrigerant is less so when you find the LED indication on the outdoor P C B Ass y stop the air conditioner immediately to avoid the compressor damage SM830033 65 4 Service procedures 5 Symptoms and parts to inspect 1 Symptom LCD on the remote controller does not display and remote controller does not operate Is the LED D80 on the indoor unit PCB lit Is there 12 V DC Is there 12 V DC Repair the between R2 and R3 between 2 and 3 remote on the 8P terminal of the remote controller plate of the indoor unit controller wiring Miswiring of Yes Is there 220 240 V AC Is there 220 240 V AC power supply between U1 and U2 between R and S of wires and of the 8P terminal the indoor PCB indoor outdoor plate control lines Replace the remote controller Correct the wiring Remove the socket connected to the OC plug on the PCB and connect to the EMG plug instead Check and repair the power breaker etc No Are the connections for the 4P connector for the indoor unit s PCB power trans former good Replace the No Is there 15 V AC Is the primary Is the 220 240 V AC No indoor unit power between 1 and 2 side of the indoor circuit shorted Yes Correct the connections Has the indoor unit PCB fuse blown Replace the indoor unit PCB transformer of the 4P connector power t
62. g the CODE No AA CODE No AA All Auto address operation After addresses are automatically set in order for the outdoor units from No 1 to No 30 the system returns to the normal stopped state 2 Individual auto address operation for each refrigerant circuit 2 To select each refrigerant circuit individually and set addresses automatically press the TEST CHK and buttons at the same time for more than 4 seconds then press the a w SET TEMP button once to set CODE No Al CODE No A1 Auto address operation 2 Select R C No which you want to execute the auto address operation with UNIT button 3 Press the SET button The auto address operation will start CODE No changes from flashing to ON state 4 If the error occurred during the operation the alarm message will be displayed Check and remove the cause If you want to interrupt the operation press the CL button then the unit stands in waiting mode Press the SET button If the auto address operation finishes the display will disappear Execute the operation of the other R C line in the same way by following the above steps a to D Complete the auto address operation by pressing the TEST CHK button Required time for auto address operation In case of group control a few minutes for each R C In case of central control max about 20 min for each R C 103 4 Service procedures Displaying
63. he system or reduced air circulation come to this section and find the box listing the problem Connected to the box are the main causes of the problem and their remedies To find out which malfunction is happening in your case check the remote controller for an Alarm Message and follow the steps in section 3 A Cooling a Cooling Poor cooling Refrigerant flow failure Not enough air circulation Change the setting temp suitable 9 9 P Is cooling load Review cooling load too heavy estimate 4 way valve is Replace the 4 way valve defective P y Refrigerant shortage Electronic refrigerant Replace the valve control valve is defective Compressor is defective Charge refrigerant gas Replace the compressor Service valves are not h fully fully open Open the valves fully au filter Clean the filter is clogged Is fan speed Set the fan speed to set to LOW either MEDIUM or HIGH Refrigerant tubes between Insulate wide and narrow tubes separately indoor and outdoor units are not insulated 0458 MI SM830033 61 4 Service procedures B Heating b Heating Poor heating Is setting temp h h i suitable 2 Change the setting temp Is heating load too large Refrigerant flow 4 way valve is failure defective Refrigerant shortage Review heating load estimate Replace the valve Charge with ref
64. hes e Indoor unit is detecting unusual signal from the remote controller or group control E03 Operation gt No serial communications signal lamp n P Ti S Improper setting of indoor unit or Indoor unit address setting is duplicated E08 Timer lamp a remote controller Remote controller address RCU ADR is duplicated E09 Indoor unit is detecting unusual Error transmitting of serial communications signal E10 8 signal from signal option Error receiving of serial communications signal E11 Improper setting of indoor unit or when using flexible combination control main indoor unit address E14 S remote controller setting is duplicated judged by outdoor unit bal Geen 2 Indoor unit is detecting unusual Error receiving of serial communications signal E04 Heat stand by ignal f r unit We F ae Signal from outdoorunit Error transmitting of serial communications signal E05 lamp flashes 8 esa SE a Error receiving of serial communications signal E06 Operation wu I unit 5 a Confirmation error of unit numbers included lamp n Error transmitting of serial communications signal E07 Timer lamp See 5 Fa Heat stand Auto address setting is not No of judged indoor units or total capacity of indoor units is small E15 by lamp Gores No of judged indoor units or total capacity of indoor units is large E16 Indoor unit is detecting unusual Error transmitting of serial communications signal E17 signal fro
65. ing Diagram Schematic Diagram 48 SM830033 45 3 Electrical data Indoor Uni SPW X253GH56 SPW X363GH56 SPW X483GH56 3 1 X E 00 027 8929 2 798 AN ga 1109 23 1109 13 1109 nda 118 aay NHD LHM NHD na a34Y d8 JOJ98UU0D d LHM 91 naa da a34 HDEGEX HI 1911074009 AH9 021 LHM HINA LHWENH HW n1g OH n Sd 19 90 HHH 171 N H LHM 99A N H D ACIOS 298 LOS OT LNH N H LHM d6 1J0 99uu0O d8 ereld euw L UAMS 0 4U09 ejouey OL wesbeig Buu M 219915 sum 1014U09 wn dans JoMOd SM830033 46 3 1 Indoor Unit 3 Electrical data SPW X253GH56 SPW X363GH56 SPW X483GH56 e Schematic Diagram RCS 2 CR X253GH __ Controller TH1 E1 TH2 E2 TH3 E3 TH4 Leg ap EM le Symbols Description Symbols To Outdoor Unit Description FMI Ind
66. ing temperature 130 8 79415 Run capacitor 440 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 15 SM830033 1 Specifications 1 2 Major Component Specifications B Outdoor Unit Source 380 400 415 V 3 phase 50 Hz Controller P C B Ass y CR C253GH Microprocessor Control circuit fuse 250 V 3 15 A Compressor Rotary Hermetic Scroll Hermetic Model number C R243H8V ZR61KC TFD 522 Source 380 400 415 V 3 phase 50 Hz Nominal output 2 400 3 700 Compressor oil 1 350 2 130 Coil resistance 5 54 R S 5 54 T1 T2 2 72 T2 T3 2 72 Ambient temperature 25 C T3 T1 2 72 Crank case heater 240 V 25 W 240 V 36 W Safety devices Overload relay models Internal type Operating temperature C C Refrigerant amount at shipment kg High pressure switch ACB 1TB07 Set pressure OFF kg cm 30558 ON kg cm 24 2 0 Fan Propeller Number diameter Fan speeds Fan motor Model KFC amp T 91C5P x 2 Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med 6 772 376 Nominal output 70Wx2 Coil resistance BRN WHT 127 3 VLT YEL Ambient temperature 20 C WHT VLT 56 7 YEL PNK Safety device Internal type Operating temperatu
67. itter Running Capacitor Power Transformer Crank Case Heater Four Way Valve Fuse Thermistor Outdoor Coil C1 Thermistor Outdoor Coil C2 Thermistor Discharge Gas 51 854 2 5268 453 00 0 C253GH8 SM830033 3 Electrical data SPW C363GH8 3 2 Outdoor Uni BHDEIEI 1 00 797 8929 2 798 W TANNYD DAN N P O gt LL NES nes O a a TAA NHD ANd aay az z B er LA P nd LHM 4 to to LHM L LHM d8 J0PSUUOI 2 Q oO aw NI NP DA L UHm as S 8 Jopmeuuog q 8 T Ie an de J0 98UU0D NHA cu um NHA 1IAd of of LIA LHM o o LHM AWD 4 AHD AYD co oh AHOD Maja wt NUE dHe NHA TAA FY pre eh oe At LOV BB A0ezov ul GN IOA de Soe br 119 TAaA NYD yg LHM dE qad d DAME LHM d6 Made LHM d amp DAN INHE seo qatu Bueuosiq LHM ma aau Nua zo 606000000 vun Naan JOOpu OL Aiddng samog wesbeig DUU 91119813 SM830033 52_ 3 2 Outdoor Unit SPW C363GH8 Terminal Plate 8P a 51 el 7 H M
68. llowing procedure be sure to stop test run operation when you finish the procedure or the air conditioner may be damaged Q To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the unit is turned OFF Press the TEST CHK button at the bottom right on the remote controller Press the ON OFF operation SE vone button to start the test run ELD Press the MODE button to select SET TEMP either COOLING or HEATING IMER SE Een mode nd When the test run starts TEST shows on the remote controller s display Ca During the test run the air conditioner runs continuously and the thermostat does not control the system Alarm message After the test run be sure to press the TEST CHK button once again ONL OEF operation to finish this mode and make 0335 MJ sure TEST is not shown on the display Na The TEST RUN button is used only for servicing the air conditioner Do not press this button in normal operation or the system may be damaged TEST RUN CHECK button SM830033 79 C Check the sensor temperature readings 4 Service procedures The air conditioner has thermo sensors which are used to control the unit Q Each sensor has an address which is made up of the indoor unit ad
69. lure of Compressor Current Detection e When the Compressor Current Detection Circuit fails to detect the compressor current within 2 seconds after compressor starts both compressor and outdoor fan stop Thermostat OFF After 3 minute pause if the air conditioner is ready for Thermostat ON it starts again However when the circuit fails to detect the current twice in a row the remote controller displays alarm message H03 Failure of compressor Current Detection SM830033 40 2 Processes and functions 2 16 Dehumidifying Operation Dehumidifying operation uses the cooling cycle to remove moisture from the air but by running an indoor fan at a low speed to dehumidify without greatly lowering room temperature In this mode the microprocessor automatically controls the ON OFF operation between 2 deg and 2 deg of the set temperature ROOM TEMP A DEG 2deg SET TEMP B 2deg k C 0448_M_S F ig 1 9 A range When the room temperature is in this range cooling operation starts However when the temperature is below 18 C the cooling operation does not start B range When the room temperature is in this range the air conditioner automatically repeats the dehumidifying cycle of 5 minutes ON 3 minutes OFF see Fig 22 for details C range When the room temperature is in this range the microprocessor shuts off the air
70. m another indoor Unit Error receiving of serial communications signal E18 Improper setting of indoor unit or Indoor unit group address is not correct L01 Operation lamp remote controller Model setting of indoor unit is not matching the outdoor unit L02 ana heat stand by lamp flash at When using group control main indoor unit address setting is duplicated L03 the same time 2 judged by indoor unit Operation D Outdoor unit address is duplicated L04 lamp 2 Improper wiring between indoor units LO7 Timer lamp There is a group connection wiring in case of individual control x Heat stand Indoor unit address or group address is not set LO8 by lamp Capacity code of indoor unit is not set LO9 Improper wiring of group control wiring L11 Indoor unit model setting is improper capacity L13 Improper wiring connections of ceiling panel P09 operation Protective device in indoor unit Thermal protector in indoor fan motor is activated P01 Timer lamp lis activated wg D Heat stand Float switch is activated P10 by lamp g Protective device in outdoor unit lt Thermal protector in outdoor fan motor is activated Po2 Operation lamp is activated PC or AC Compressor thermal protector is activated and heat stand by 5 Power supply voltage is unusual The voltage is more than lamp flash E 260 V or less than 160 V between L and N phase alternately 5 A 5 Discharge gas temperature of PC comp is unusual P03 e
71. n the set temperature HEATING operation starts SM830033 34 2 Processes and functions 2 9 Auto Mode for Automatic Heating Cooling Switching COOLING SELECTION TEMP 2 5 deg SHIFT SET TEMP 2 deg gt lt REMOTE CONTROLLED SET Temp B SHIFT SET TEMP 2 deg HEATING SELECTION TEMP 3 deg gt HEATING COOLING HEATING 0440_M_S Fig 12 Chart summary and Explanations This chart shows how the Operation Mode COOLING or HEATING is determined by the microprocessor taking the room temperature into consideration It also shows the temperature points at which the cooling or heating mode is switched when the AUTO mode is selected After operation starts the set temperature shifts automatically by 2 deg at cooling and by 2 deg at heating For example if cooling is selected the set temperature changes from 20 C to 22 C The display of the remote controller remains 20 C The change of the operation mode heating to cooling cooling to heating by the change of the room temperature during the operation is as follows Heating to Cooling Room temp gt Shifted temp 0 5 deg Cooling to Heating Room temp lt Shifted temp 1 0deg For example if the room temperature rises above 22 5 C 22 0 5 during the cooling operation at the room temperature 20 C set by the remote controller the operation changes to cooling When the room temperature lowers
72. nd also know the most efficient ways for setting times and temperatures Please use this manual to make your work easier keep the air conditioner functioning well and keep your customers satisfied SM830033 5 SM830033 1 SPECIFICATIONS 1 1 Unit Specifications een ne da kei 8 1 2 Major Component E Me 12 AJ Indoor UTN ae a a aa a 12 B Outdoor UNIT ee ee NERAVA KENE 14 1 3 Other Component Specifications 17 1 4 Dimensional DaB anne ee 19 A Indoor Unit EE 19 B O ldoor UID eis eg 21 1 5 Refrigerant Flow Leer ea 23 1 6 Operating Range een eigen 24 SM830033 1 Specifications 1 1 Unit Specifications MODEL No POWER SOURCE PERFORMANCE Cooling Heating 1 Capacity kW BTU h 25 000 27 000 Moisture removal High est 36 _ TI ELECTRICAL RATINGS Max starting amperes d A 69 72 75 es 71 74 DEE Controls Thermostat control Microprocessor LC thermostat Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access Remote controller Option Wired RCS SH80TG Wireless RCS SH80TGWL Refrigerant control Drain pump drain connection Max head 25cm above drain connection 25A OD32mm Compressor Rotary Operation sound Indoor Hi Me Lo dB A 37 35 31 Outdoor Hi dB A 52 REFRIG
73. ng nenne een 101 7 R C Address Setting Method 102 8 Automatic Address Setting Method 103 9 Displaying Indoor Outdoor Unit Combination Numbers 103 10 Items to Check Prior to Test RUN u as arena 104 11 Test RurpiPrOCeg re uu uuu ds ur une 105 SM830033 _ 57 4 Service procedures 4 1 Troubleshooting This section explains What the LED codes mean What the remote control unit display screen messages mean How to use the flow charts to find and solve problems How to use the self diagnostic tests to find parts that aren t working right This unit is made to be trouble free and not need much service However with time moving parts wear out electronic components break down and sometimes misuse damages the unit The purpose of this section is to help you when the unit is not working properly Sometimes your experience will tell you right away where to look for a problem and when you find it you will know how to fix it at once Often however all you have is a symptom like poor cooling or outside fan doesn t come on Now you must find out the cause of the problem and then how to fix it This section provides several ways to help you go from the symptom to the cause and then the solution The first chart General Troubleshooting Flow Chart is divided into two sections Poor heating and Poor Cooling Under ea
74. nge the indoor unit address of the other R C No follow the step to h in the same way SM830033 86 4 Service procedures H Change the shift temperature in heating mode Q If the indoor unit is installed at high location ex ceiling level the thermostat tends to turn off at heating mode because of the hot air temperature around ceiling level In order to solve the problem the shift temp valid while heating only is set when shipped from factory Q If the shift temp is not enough ex the indoor unit is installed at position higher than 3 m the shift temp can be set with remote controller from 1 to 10 deg manually as follows a Press the TEST CHK button for more than 4 seconds FAN SPEED mE CE 0365 MI b In case of group control if you want to change all units in group control collectively proceed next step remaining ALL displayed If you want to change a unit individually select the indoor unit address UNIT No with UNIT button Select the CODE No 06 with a w SET TEMP button Choose the shift temp with a e button EX UNIT No 1 6 CODE No 06 Ar Ne Shift temp 5 deg Kita 0366 MI Press the SET button CODE No 06 SET DATA and change from flashing to ON state If you made a mis
75. nnector socket RED attached to panel Connect firmly connected firmly with 15P plug Yes Replace P C B Ass y in the indoor unit 0651_M_S Flap does not operate when you press FAN AIM button When you press SWEEP button flap operates Does limit switch actuate Yes No Bl Replace the switch Is 15P connector socket RED attached to panel Connect firmly connected firmly with 15P plug Replace P C B Ass y inthe indoor unit 8 ta SM830033 76 4 Service procedures 4 Compressor motor does not operate Does compressor motor magnetic No Replace the compressor contactor 52C actuate motor magnetic contactor Yes Check resistance of compressor motor winding NG Replace the compressor 0461 MI 5 Outdoor fan does not operate Are auxiliary relays 1Y 2Y normal Replace the relays No P Is fan motor capacitor normal Replace the capacitor Yes Is there voltage output of No Replace P C B Ass y P C B Ass y for fan motor in the outdoor unit Yes Check resistance of fan motor winding NG Replace the fan motor 0462_M_I SM830033 77 4 Service procedures 7 Service Functions of Remote Controller From the remote controller you can control both the operation and settings of the unit as well as perform several useful service checks This section explains how to use the remote con
76. nutes are required to detect frost in the Frosting range Defrosting Refer to time chart Minimum continuous operating time by defrosting is 48 minutes 15 8 25 Occurs either when the temperature of C1 the outdoor Irun Release of defrosting heat exchanger coil has reached 10 C or above or when the maximum defrosting time 9 minutes has elapsed 0441_M_S Fig 13 Time Chart for Defrosting 1 MINUTE lt MAX 9 MINUTES N MINUTE COMPRESSOR ON ON ON SOLENOID COIL 4 WAY VALVE ON ON OUTDOOR FAN H OR L ON ON INDOOR FAN E Peet te at en ae __ OFF SET SPEED OFF OR LL OR LL STANDBY m 7 INDICATOR STANDBY APPEARS Defrosting Release of Start Defrosting 0442 M_S Fig 14 During the defrost cycle STANDBY appears on the remote controller Cold Draft Prevention may operate occasionally SM830033 36 2 Processes and functions 2 11 4 Way Valve Solenoid Control The basic function of the 4 way valve is to direct the refrigerant in the correct direction according to the Operation Mode COOLING or HEATING selected The following two charts show conditions of the controls and functions listed in the left hand column when the solenoid is ON or OFF Chart A on this page shows the relationships when the temperature control is in NORMAL mode and Chart B on the next page shows the relationships when the remote con
77. ocesses and functions 2 2 Cold Draft Prevention Heating Cycle The cold draft prevention function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coils have warmed up Q STANDBY shows on the remote controller when the indoor fan speed is LL very low or OFF This condition occurs in the following 3 cases e During Thermo OFF refer to 2 1 B Room Temperature Control Heating e During the defrosting operation refer to 2 10 Defrosting Control Heating e Until either the coil temperature E2 reaches 27 C or when a maximum of 6 minutes has past Q The indoor fan motor operates in L instead of LL for 3 seconds as it starts to give the fan an initial boost 33 lt MAX 6 MINUTES 31 INDOOR UNIT COIL TEMP E2 C 27 25 4 10 Z SET AUTO OR H LL LL OFF LL L M H FAN SPEED M LL LL OFF LL L M L LL LL OFF LL L L L STANDBY m S INDICATOR STANDBY APPEARS LL Very low speed M Medium speed L Low speed H High speed 0673 XS Fig 3 Chart Summary and Explanations The main idea of this chart is to show that the indoor fan speed increases and gets closer to the set fan speed as the coil temperature E2 rises The indoor unit s coil temperature is taken from sensor E2 located in the middle of the indoor heat exchange coil The dotted line shows that the indoor fan motor is OFF When the tempera
78. od ua 37 BAUTO Control Mode run us een 38 2 12 Automatic Restart after Power Interruption ee 38 2 13 Electronic Refrigerant Control Valve un 39 2 14 Compressor Discharge Gas Temperature AEN 39 AA a EE 39 B Heating Except During Defrosting 39 2 15 Compressor Current Detection Circuit 40 2 16 Dehumidifying Operation u ee 41 2 17 Auto flap Control EE 42 2 18 Drain PUMP Om unu u ee ee ne 42 2 19 Electronic Refrigerant Control Valve Control 43 2 20 Voltage Detection Control nee 44 SM830033 25 _ 2 Processes and functions 2 1 Room Temperature Control The unit adjusts room temperature by turning the outdoor unit s compressor ON and OFF This process is controlled by the thermostat located in the indoor unit The figures on this and the next page show how each part of the system performs as the room temperature changes and the thermostat activates the compressor to start thermo ON or stop thermo OFF Fig 1 shows about the cooling cycle and Fig 2 shows about the heating cycle A Cooling THERMO OFF THERMO OFF ROOM TEMP THERMO ON THERMO ON BODY SENSOR T 1 C SET TEMP T C T 1 C MORE THAN MORE THAN MORE THAN 5 MINUTES 3 MINUTES 5 MINUTES 3 MI
79. onds Since outdoor conditions sometimes make it difficult for the fan to start this sudden surge of power may be necessary Q The outdoor fan operates in H mode for 3 minutes after the compressor stops excluding defrosting operation period Q Charts below show how the outdoor fan speed changes with the change in outdoor temperature A Cooling Outdoor unit coil Outdoor fan temperature C2 motor FMo 2 F Lu Not less than 25 c H 5 Not more than 25 c M ia 25 Lu oc 8 M O Fig 6 B Heating Outdoor coil Outdoor fan S temperature C2 motor FMo M Not less than 14 c M lt Not more than 14 c H m Ge UI jam 8 H Fig 7 SM830033 30 2 Processes and functions 2 5 Freeze Prevention Cooling Freeze Prevention keeps the indoor heat exchange coil from freezing Freezing reduces the efficiency of the unit and frost buildup on the coil blocks cool air circulation from the indoor unit s fan MIN VALUE OF EITHER E1 OR E2 INDOOR UNIT TEMP 3 2 1 0 CONTINUOUS DETECTION C FOR 2 MINUTES ELECTRONIC REF CONTROL VALVE SIGNAL OBEN SE COMPRESSOR MINIMUM 3 ON MINUTES ON 0435_M_S Fig 8 Note Freeze prevention is controlled by the temperature at the indoor heat exchanger coil as sensed by either sensor E1 located at the entrance of
80. ontrol Timer Fan speeds Indoor Outdoor Airflow direction Indoor Air filter Remote controller Option Refrigerant control Drain pump drain connection Compressor 43 40 36 53 REFRIGERANT TUBING 50 164 m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube 9 52 3 8 outer diameter Wide tube mm in 19 05 3 4 R22 3 5 DIMENSIONS amp WEIGHT Outdoor unit Unit dimensions 1 235 48 20 32 940 37 860 33 27 32 340 13 12 32 Package dimensions 1 326 52 7 32 1 016 40 416 16 12 32 Net weight kg Ib 38 84 94 207 Shipping weight kg Ib 62 137 101 223 Shipping volume m Cu ft 0 556 19 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 270 DB 19C WB Outdoor air temperature 3 DB Full load conditions Indoor air temperature 35C DB 25C WB Outdoor air temperature 4 DB Heating Rating conditions Indoor air temperature 20C DB Outdoor air temperature C DB 6C DB Full load conditions Indoor air temperature 24C DB Outdoor air temperature 24 DB 15 5C WB SM830033 10 1 Specifications 1 1 Unit Specifications MODEL No SPW X483GH56 SPW C483GH8 POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Heating 1 Capacity kW BTU h 47 800 54 600 Moisture removal High litesgh TI ELECTRICAL RAT
81. ook in this section to find the correct values for components and functions Section 2 Processes and Functions explains each different part of the cooling and heating cycle and how each control function reacts to changing conditions to keep the room at the set temperature range Section 3 Electrical Data which has fold out schematic and wiring diagrams so you can find the parts you need to check when something is wrong and see how they should be connected Section 4 Service Procedures has two main parts a diagnostic chapter to help you find the specific component to replace or adjust and a chapter with specific procedures and values to guide you in checking the electrical components in the unit Section 5 Instruction Manual is the same manual the user will have and it contains general information about how to set and use the features of this particular air conditioner Knowing this information will help you tell the owner how to use and care for this air conditioner and also help you install and set the unit correctly HOW TO USE THIS MANUAL You can use this manual both as a reference to find specific information about the capacity functions and construction of this unit and as a source of information to help you set up and maintain the unit When this unit is not working properly and the cause is not known you can use the procedures in Section 3 Servicing Procedures to find the problem fix it and restore the unit to its
82. oor Fan Motor TH3 Thermistor Indoor Coil E2 49FI Indoor Motor Thermal Protector TH4 Thermistor Indoor Coil E3 Running Capacitor CR X253GH Indoor Controller Fuse Terminal Plate Auto Louver Motor Connector Power Transformer Terminal 1X 3X Auxiliary Relay Drain Pump RY1 RY2 Auxiliary Relay Dew Proof Heater MOV Motor Operated Valve Remote Control Switch Limit Switch Float Switch Room Thermistor Thermistor Indoor Coil E1 47 854 2 5268 470 00 3 X SM830033 3 Electrical data 3 2 Outdoor Uni SPW C253GH5 GHDESZO 2 00 2Sr 89ZS 2 7S8 W SG Gan az d z uoio uuoo ANE 2 AHO Nua oe LHM d8 lr ANd 10 98UU09 Jala Hana LA o of LIA LHM4 to io LHM X84 AHO AUD 4 09 NHg AvLOV AOEZIV SON de NHD seo abieyosig qau zo ia 19 u NHA qat de J0 98UU0D NHG Nu TAA4 4 TaNNYD SH Sog LHM d a3H de TAA dE LHM d6 GHDEGZI HI 1491101409 wesbeig Buui 2199157 Des 119 DAN Mg Made LHM d amp n Ja qatu TANNYD Nya de ald jeuuoL wun 100pu OL 49 eld uwag FF NX S SEN ENN A XX 4 A
83. r component specifications SM830033 96 4 Service procedures Fuse on indoor and outdoor P C B Ass y Both in indoor and outdoor unit Check the continuity e Remove the P C B Ass y from the electrical component box Then pull out the fuse from the P C B Ass y Fig 46 Fuses Fuses Indoor P C B Ass y 0644_X_S Outdoor P C B Ass y 0653_X_S Fig 46 Then check the continuity of the fuse by using the multimeter Fig 47 Fuse 0645_X_S Fig 47 SM830033 97 4 Service procedures 4 Sensor and Solenoid Layout Diagram Indoor Unit e SPW X253GH56 e SPW X363GH56 e SPW X483GH56 Electronic refrigerant control valve ERCV Electronic refrigerant control valve ERCV TH2 E1 RED TH3 E2 BLK TH3 E2 BLK TH4 THe E1 RED E3 BRN TH4 E3 BRN 0463_X_I TT 0880_X_I Outdoor Unit e SPW C253GH5 SPW C253GH8 TH6 7 8 20S 63PH TH8 GRN Discharge gas TH7 C2 RED CM CH TH6 C1 BLK 0582_C_S 0583_C_S SM830033 98 4 Service procedures e SPW C363GH8 TH7 C2 RED GE TH8 GRN Discharge gas TH6 C1 BLK 0585_C_S 0584_C_S C TH7 C2 RED TH8 GRN Discharge gas TH6 C1 BLK 0585_C_S 0586_C_S SM830033
84. ransformer for the indoor unit s shorted power transformer Replace or repair Be the Pin the indoor unit s indoor unit Be power Pin 0332_M_I SM830033 66 4 Service procedures 2 Symptom LCD on the remote controller displays CHECK E01 Unusual communication between remote controller and indoor unit Remote controller judges itself NG Replace the remote controller with self diagnostic functions OK Is there an open or a contact Yes defect in the No 1 line of the remote controller No Is there 200 240 V AC between Yes Mis wiring between the power Yes Correct the wiring and pull out the U1 and U2 of 8 P terminal plate supply line and indoor outdoor socket connected to the OC plug No to replace with the EMG plug Correct the wiring unit operation lines Is the indoor unit PCB s non volatile Yes memory IC setting CHECK F29 Correct the setting displayed wrong No Is the indoor unit PCB s inspection Yes Ooen ihe inspection pin pin shorted p P Pn No Replace the indoor unit PCB 0655 MI 3 Symptom LCD on the remote controller displays CHECK E02 Unusual communication between remote controller and indoor unit Is the No 1 line wire red for the remote controller connected to Repair the wiring another line 2 or 3 or are No 1 and No 3 black wired reversed Remote controller judges itself with self diagnostic functions To avoi
85. rd comp contactor Mg SW is chattering H18 flashes OFF SM830033 _ 64 4 Service procedures 4 LED Indication on the Outdoor Unit s P C B Ass y If something goes wrong with the outdoor unit LED lamps on the outdoor P C B Ass y light up to show the cause of the trouble in addition to the Alarm message on the remote controller LED 2 on LED 1 on Remote P C board P C board controller FR ARR ons e e No message Normal e O E06 E07 L04 Outdoor unit serial commonicalipn signal is abnormal Outdoor unit address is duplicated Other outdoor units are performing auto address and No message detecting refrigerant shortage O D P02 FMo CM thermal protection is in operation Power supply voltage is abnormal O O P04 P05 High voltage SW activates Negative phase protector activates O F04 F09 Sensor is abnormal Open or short z e H01 H02 Abnormal compressor current value is detected O H04 HOS Scroll thermal protection failure is detected E15 E16 Auto address failure Flash at the same time SETTING Auto address is in operation Flash alternately flashes NOTE LED lamps OFF O LED lamps ON lights up LED lamps ON flashes 0654_C_I Fig 30 Na REFRIGERANT SHORTAGE Note particularly that a shortage of refrigerant is only shown by the outdoor P C B Ass y LEDs and the Alarm Message does not app
86. re 130 8 79 15 Run capacitor 440 V 6 uF x 2 Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area SM830033 16 1 3 Other Component Specifications Unit model No Power Transformer Indoor Unit 1 Specifications Outdoor Unit SPW X253GH56 ATR II215TA SPW C253GH5 SPW C253GH8 ATR 165B Rated Primary Secondary AC 230 V 50 Hz 10 2V 1 4 A AC 230 50 Hz 14 V 04 A 14 V 05A Coil resistance WHT WHT 84 BRN BRN 0 7 RED RED 2 7 WHT WHT 300 BRN BRN 2 2 Thermal cut off temperature 145 145 Thermistor Coil sensor PBC 41E S25 PBC 41E S26 PBC 41E S4 PBC 41E S14 Coil resistance 10 C 23 7 5 C 18 8 0 C 15 0 5 C 12 1 10 C 9 7 20 C 6 5 30 C 4 4 40 C 3 1 45 C 2 6 Thermistor Room or coil sensor KTEC 35 S6 PTC 51H S1 Coil resistance kQ 16 5 40 C 128 45 C 10 0 50 C 63 55 C 40 138 90 C 9 7 100 C 8 2 110 C 7 0 120 C 5 9 130 C Relay FMCA 152607 Coil rated AC 220 240 V Contact rating AC 440 V 13 A Coil resistance at 25 C Solenoid control valve or coil Solenoid control valve IKV 24D12 CHV 0201 Solenoid coil DKV MOZS582E0 CHV 01AJ504D1 Drain pump WP20SL
87. rigerant Electronic refrigerant Replace the valve control valve is defective P Compressor is defective Replace the compressor Service valves are not fully open Open the valves fully Not enough Ar mer Clean the filter air circulation is clogged Is fan speed set to LOW Set the fan speed to either MEDIUM or HIGH Refrigerant tubes between indoor and outdoor units are not insulated Cold air is 4 way valve is Pesse yana discharged defective P i Cold draft prevention STANDBY is Replace indoor is not working displayed P C B Ass y Indoor coil sensor E2 is defective Insulate wide and narrow tubes separately Replace the sensor 0459_M_I SM830033 _62 3 4 Service procedures Meanings of alarm messages If an error occurred in the air conditioner the error condition is presented by indicating the error code in the wired remote controller display or by the combination of lamp statuses for operation timer and heat stand by OFF status and flashing status Wired remote Wireless remote 63 Possible causes of troubles controller controller display display Remote controller is detecting Error receiving of serial communications signal E01 Operation REES EEN Error transmitting of serial communications signal E02 lamp flas
88. take press the CL button Finally press the TEST CHK button SM830033 87 4 Service procedures 1 Setthe indoor unit address Q This function is usable if the auto address operation is not available Indoor unit address can be set one by one by remote controller in such case NOTE 1 In case of group control branch wiring for group control should be removed temporarily 2 In case of remote controllerless system remote controller should be connected with the indoor unit temporarily a Short the two terminals of DISP PIN on indoor unit PCB DISP PIN Refer to P VI 2 b Press the TEST CHK SET and CL buttons at the same time for more than 4 seconds SETTEMP Jm Ca FAN SPEED it CE 0367_M_I Set the CODE No 12 to set the No of R C with the a w SET TEMP button wry AIR FLOW Cour wis toe le RE 7 Woy Cree Ca cong Ne SET TEMP TIMER SET gt wal e sli a ER N Eu I Emm gears HL SET ata T Z IN GET to CCD 0368_M_I SM830033 88 4 Service procedures Set the No of R C which you want to set with button Ex No of R C will be set 2 AIR FLOW UNIT FLAP TIMER SET
89. tal capacities of indoor units Select indoor units which match with to that of outdoor units more than 107 the outdoor capacity Confirm less than 5 indoor units are connected 0647_M_S 17 Symptom LCD on the remote controller displays CHECK L13 When the group of the units are installed is there any mis cross epar Me wnng between inter unit control wiring and refrigerant tubing Check the capacity of the indoor unit by remote controller 0648_M_S See Test Run Manual 18 Check P9 is displayed on the remote control unit Is 15P connector socket RED being attached to panel connected firmly with 15P plug Connect firmly Replace P C B Ass y in the indoor unit 0649_M_S SM830033 74 4 Service procedures 19 Symptom LCD on the remote controller displays CHECK H01 H02 H03 PC compressor current detection Please check the related part described in the following chart after confirming the code setting S4 of the outdoor unit s capacity on the PCB in the outdoor unit CHECK H02 display CHECK H03 display Compressor lock detection Compressor current detection circuit defect CHECK H01 display Compressor overload detection e Insufficient voltage Compressor lock L3 phase wire disconnected Comp motor magnetic contactor Comp motor magnetic contactor defect defect e Refrigerant over charged Outdoor unit PCB defect
90. tdoor Unit 0 Factory shipped state Line voltage Inter unit control wiring Low voltage Remote controller B L Af 62 83 Check power supply Aha If the following troubleshooting must be done with power being supplied be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK R C Address on the PCB 0 S2 BLK L Power supply N 220 240 V 50 Hz 0500_M_I Fig 28 Q Check that voltage is within the specified range 10 of the rating Q Check that power is being supplied Check the lead wires and connectors in indoor and outdoor units Q Check that the sheath of lead wires is not damaged Q Check that the lead wires are firmly connected at the terminal plate Q Check that the wiring is correct 59 SM830033 4 Service procedures 1 2 Check before and after Troubleshooting SPW C253GH8 C363GH8 C483GH8 Many problems may happen because of wiring or power supply problems so you should check these areas first Problems here can cause false results in some of the other tests and so should be corrected first Check power supply wiring Q Check that power supply wires are correctly connected to terminal No 5 through No 8 on the 8P terminal plate in the outdoor unit Q Check the power supply wires are correctly connected between terminal No
91. ting conditions Indoor air temperature 20C DB Outdoor air temperature ZC DB 6C DB Full load conditions Indoor air temperature 24C DB Outdoor air temperature 24 DB 15 5C WB SM830033 11 1 2 Major Component Specifications A Indoor Unit 1 Specifications MODEL No SPW X253GH56 Source 220 230 240 V 1 phase 50 Hz Controller P C B Ass y CR X253GH Microprocessor Fan Number diameter Turbo 1 0490 Fan Motor Model Nominal output SFG6X 41A5P 40 W Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230 V High 6 470 Coil resistance Ambient temperature 20 C BRN WHT 114 0 ORG YEL WHT VLT 23 9 WHT PNK VLT ORG 12 4 YEL BLK Safety device Operating temperature 130 8 C 79 15 C Run capacitor 440 V 4uF Electronic Refrigerant Control Valve Solenoid control model DKV MOZS582E0 Coil resistance at 20 C ORG GRY 46 YEL GRY RED GRY 46 i BLK GRY Solenoid control valve model IKV 24D12 Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch Bader Face area 0 295 Panel Model No PNR X253GHA Dew proof heater 240 V 26 W Auto louver motor M2LB24ZA12 Auto louver motor Rated AC 240 V 3W 2 5 rpm Coil resistance at 25 C 15 620 Q
92. troller is set to AUTO mode A Normal Control Mode POWER SOURCE OFF ON OPERATION BUTTON ON OFF ON MODE COOL COOL BUTTON HEAT HEAT HEAT p 2 Le Le 3 MINUTES TURN ON THERMO OFF THERMO OFF TURN OFF THERMO THERMO ON ON COMPRESSOR ON OFF ON OFF ON OFF ON gt 2 lt lt 2 lt 1 NW lt EI sl lt El sl lt 1 el SOLENOID COIL 4 WAY VALVE OFF ON OFF ON 1 More than 5 minutes 2 More than 3 minutes 0443_M_S Fig 15 Chart Summary and Explanations For the first 3 minutes after power is applied the 4 way valve remains OFF and the compressor will not operate even if the ON button is pushed If the 4 way valve is turned OFF with the compressor operating the air conditioner operates in COOLING mode See Table below If the 4 way valve is turned ON with the compressor operating the air conditioner operates in HEATING mode See Table below 4 way valve solenoid COOLING OFF HEATING ON Operation Mode Compressor ON SM830033 97 2 Processes and functions B AUTO Control Mode POWER SOURCE OFF ON OPERATION BUTTON ON MORE THAN 10 MINUTES MORE THAN 10 MINUTES THERMO OFF THERMO OFF AUTO COOL MODE COOL CONTROL HEAT HEAT HEAT XTHERMO OFF THERMO ON
93. troller on the following items from A to J A Set service check switches B Use the test run procedure C Check the sensor temperature readings D Find out about past service problems E Check the remote controller itself for correct operation F Excute the auto address operation G Confirm and change the indoor unit address H Change the shift temperature in heating mode 1 Set the indoor unit address J Change the period of the filter timer A Set service check switches The service check switch RCU CK is located on the back of the remote controllers P C B Ass y as follows Si switch RCU ADR 0354 MI The followings are the correct switch settings for ordinary use of the unit Only change the settings temporarily for making service checks When you finish the settings be sure to return them to the standard settings shown here LI RCU CK switch Refer to section E Checking the remote controller for correct operation Remote Control Unit Check LI RCU ADR switch Keep the switch OFF all the time except in case of sub remote controller Remote Control Unit Address SM830033 _ 78 4 Service procedures B Use the test run procedure Q The purpose of the test run function is to let you control the operation of the unit directly without turning the unit on or off by thermostat As indicated in the fo
94. ture at sensor E2 falls below 10 C the indoor fan motor stops running SM830033 28 2 Processes and functions 2 3 Automatic Fan Speed Indoor Unit By pressing the FAN SPEED button on the remote controller the fan speed can be set at one of four steps AUTO HI MED or LO When set at AUTO the indoor unit fan speed will be automatically adjusted to the room temperature as the two charts shown below A Cooling d ROOM TEMP deg 3 2 1 SET TEMP INDOOR FAN SPEED H H High L Low M Middle LL Very low 0433_M_S Fig 4 Chart Explanations and notes Q When the fan speed changes it keeps the speed step for at least 3 minutes even if the temperature changes to another speed step during the time B Heating t ROOM TEMP deg SET TEMP r gt 2 INDOOR FAN SPEED H High L Low M Middle LL Very low 0434_M_S Fig 5 Chart Explanations and notes Q When the fan speed changes it keeps the speed step for at least 1 minute even if the temperature changes to another speed step during the time SM830033 29 2 Processes and functions 2 4 Outdoor Fan Speed Control To optimize the performance of air conditioner the outdoor fan speed is selected automatically according to the outdoor temperature Q Note that in both Cooling and Heating modes the fan comes on at first at high speed H mode for 5 sec
95. y access Remote controller Option Wired RCS SH80TG Wireless RCS SH80TGWL Refrigerant control Electronic Refrigerant Control Valve Drain pump drain connection Max head 25cm above drain connection 25A OD32mm Compressor Rotary Operation sound Indoor Hi Me Lo 37 35 31 Outdoor Hi REFRIGERANT TUBING Limit of elevation difference Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube 6 35 1 4 outer diameter i 15 88 5 8 DIMENSIONS amp WEIGHT Unit dimensions Package dimensions Width mm in 988 38 29 32 1 016 40 Net weight kg I Shipping weight Shipping volume ft 0 349 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 270 DB 19 C WB Outdoor air temperature 3 DB Full load conditions Indoor air temperature 35C DB 25C WB Outdoor air temperature 4 DB Heating Rating conditions Indoor air temperature 20C DB Outdoor air temperature 7 DB 6C DB Full load conditions Indoor air temperature 24C DB Outdoor air temperature 242 DB 15 5C WB SM830033 1 Specifications 1 1 Unit Specifications MODEL No IndoorUnit SPW X363GH56 MOEN Le POWER SOURCE PERFORMANCE BTU h 39 000 Moisture removal High Litesh 47 jo ELECTRICAL RATINGS O O Max running amperes Al 63 61 6 6 6 59 EEE EES Controls Thermostat c

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