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SERVICE MANUAL - Masterxoloda.ru

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1. R C address address P C address S3 2P dip switch green or Blue S2 Rotary switch Black ON ON side 00 auto address 4 AN 0 when shipped from factory Both OFF EM Set to 0 OFF side ON ON side 02 In case of No 2 outdoor unit Both OFF 4 aS Set to 2 2 side ON Te 03 In case of No 3 outdoor unit Both OFF 4 Set to 3 2 OFF side ON ON side T 11 In case of No 11 outdoor unit 10 s SW is ON A Gi Set to 1 1 2 OFF side ON ON side 21 In case of No 21 outdoor unit 20 s SW is ON Gi Set to 1 2 OFF side ON ON side Both 10 s and 20 s AN 30 In case of No 30 outdoor unit Switches are ON 4 7 Set to 0 2 Joer side SM830036 105 4 Service procedures 8 Automatic Address Setting Method 9 Displaying Indoor Outdoor Unit For group control and central control with multiple outdoor units Carry out automatic address setting with the remote controller 1 All auto address operation D Press the TEST and a buttons at the same time for more than 4 seconds 2 Press the SET button after confirming 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 Combination Numbers Displ
2. 3 Electrical data r CR C253GH5 Controller VCC Outdoor Coil C1 Outdoor Coil C2 Discharge gas Symbols Description Symbols Description Compressor Motor CR C253GH5 Outdoor Controller Outdoor Fan Motor RY1 4 Auxiliary Relay Compressor Motor Magnetic Contactor 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 2532 854 2 5268 452 00 2 C253GH5 SM830036 3 Electrical data SPW C253GH8 3 2 Outdoor Uni BHDESZO 0 00 ESr 892S 2 7G8 TBA NHO w m c de LHM d8 Jojpeuuo5 10 98UU0D lt AHO AH94 09 THA NHO L Gan de ANd Nug Te e Nug ESG of of LIA LHM4 to 10 LHM NH84 e wt NH8 NF AOEZOV T3A NHO uHM de 19 LHM d6 Ona de LHM d amp T
3. Dimension mm CD Hole for anchor bolt 4 213 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 4 Refrigerant tubing inlet 8 Power supply inlet 0411 C S Fig 2 SM830036 zoj 1 Specifications B Outdoor Unit SPW C363GH8 SPW C483GH8 170 660 2 a lt 8 B 8 lt 4 Lu mere Dimension mm Hole for anchor bolt 4 013 Refrigerant tube joint narrow tube Flare connection 3 8 in 9 52 mm 3 Refrigerant tube joint wide tube Flare connection 3 4 in 19 05 mm 4 Refrigerant tubing inlet 5 Power supply inlet 0412 C S Fig 3 SM830036 22 1 5 Refrigerant Flow Diagram Outdoor Unit SPW C253GH5 SPW C253GH8 Compressor Accumulator Gas line service x valve High pressure switch 4 way valve Heat exchanger Distributor fi Liquid line service valve Sub heat exchanger Cooling Cycle Heating Cycle Fig 4 O3 Indoor Unit 1 Specifications SPW D253GH56 Sees Gas line O D 015 88 nipple 5 8 Heat exchanger Distributor Strainer Electronic ref control valve
4. Room Thermistor TH1 door Coil Ei TH2 Indoor Coil E2 TH3 Indoor Coil TH4 8P 4 8P u2 Pur To Outdoor Unit EE EE Description Symbols Description Indoor Fan Motor TH4 Thermistor Indoor Coil E3 Indoor Motor Thermal Protector CR X253GH Indoor Controller Running Capacitor Terminal Plate Fuse Connector Power Transformer Auxiliary Relay FS Float Switch Auxiliary Relay Motor Operated Valve Remote Control Switch Room Thermistor Thermistor Indoor Coil E1 Thermistor Indoor Coil E2 854 2 5268 427 00 1 D SM830036 49 3 Electrical data Indoor Uni 3 1 D SPW D483GH56 1 00 82v 8929 2 vs8 109 23 100 L3 1100 duet aA JHM NHD INd LHM HN LHM ENY H AYD 0ZL HH H TI N LA TAA Nu87 H5 S2X HO 1ej041002 40 98uuo 18 4d Ma TAA LHM 91 ANd TaA4 9004 I LHM LHM d9 Joyoauu0D LHM d8 10 98UUO
5. 0370M I p Press the SET button UNIT No CODE No 13 and SET DATA 0004 change from flashing to ON state SM830036 93 4 Service procedures D Select the code No 14 to set group setting with the A w SET TEMP button 0 Set the No of group setting as shown below with the 4 e button Nos of group setting We 0 Standard system except group c control ECTS 1 Main de unit in case of group M contro En 2 Sub indoor unit in case of group es control 99 No setting at factory shipment 0371_M_I 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 Mm Confirm the 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 SM830036 94 4 Service procedures 4 2 Checking the Electrical Components 1 Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds
6. 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 p The appearance of the display will tell you whether or not the remote controller is working correctly or not Normal condition All displays appear for 10 seconds then disappear Unusual condition All displays flash ON and OFF for 10 seconds then disappear After checking the panel be sure to set the RCU CK switch to this original OFF position SM830036 87 4 Service procedures F Execute the auto address operation Auto address operation is executed by pressing the A ADD S1 button of outdoor units 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 p Set CODE No A1 with 4 e 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
7. CE TEST CHK 0363_ _1 d 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 SM830036 89 4 Service procedures Set the required new indoor unit s No by pressing the 4 w button Ex UNIT No 3 6 currently registered indoor unit address Required new indoor No 8 SET DATA n this case UNIT No 3 6 current 3 8 NEW after pressing the TEST CHK button 0364 M I D 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 change the indoor unit address of the other R C No follow the step the same way SM830036 90 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 If the shift temp is not enough ex the indoor unit is
8. Central control for multiple outdoor units Yes Open Set the outdoor unit R C address Turn on power supply switch Go to next See 4 2 6 C No R C line or Press A ADD S1 button Execute auto address operation with the remote controller Yes Finish all See 4 2 8 R C line Display the combination number See 4 2 9 gt Set 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 CN4 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 SM830036 108
9. 12 B Outdoor emet 15 153 Other Component Specifications EEN 18 Tet Dimensional erm mee ee ee 20 AJ EE 20 B O tdgor E 21 1 5 Refrigerant Flow Diagram eren earned n esp pneus 23 1 6 ODS ele UL 24 SM830036 1 Specifications 1 1 Unit Specifications MODEL No POWER SOURCE PERFORMANCE Indoor Unt EE SPW C253GH5 220 230 240 V 1 Phase 50 Hz 7 Capacity External static pressure High ELECTRICAL RATINGS 220 198 264 Controls Thermostat control Microprocessor LC thermostat Timer ON OFF 72 hours Fan speeds Indoor Ourdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Remote controller Option Wired RCS SH80TG Refrigerant control Drain pump drain connection No 25A 0D32mm Compressor Operation sound Indoor Hi Me Lo dB A 44 43 42 REFRIGERANT TUBING ft Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 M a ca Outdoor unit is lower than indoor unit 30 98 5 8 outer diameter Wide tube mm in 15 88 5 8 DIMENSIONS amp WEIGHT Unit dimensions Package dimensions Height mm in WEE Depth mm in Net weight kg b Shipping weight kg Ib Shipping volume m Cu ft DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full loa
10. Liquid line O D nipple 06 35 1 4 oe Strainer 0417_C_S SM830036 1 Specifications valve Liquid line O D 99 52mm nipple ERE Ge S e f m Sub heat exchanger Outdoor Unit SPW C363GH8 Indoor Unit SPW D363GH56 SPW C483GH8 SPW D483GH56 Compressor Accumulator Accumulator i E 2 Gas line High pressure valve ias line switch H Se cera nipple 3 4 D HE p mener K Al Heat exchanger Heat exchanger Distributor Strainer j Electronic Distributor ref control m valve Y Liquid line service Cooling Cycle Heating Cycle Hot equipped in SPW C483GH8 0418 Fig 5 1 6 Operating Range Temperature Indoor air intake temp Outdoor air intake temp Maximum 35 C DB 25 C WB 45 C DB Minimum 17 C DB 14 C WB 5 DB Maximum 27 C DB WB 24 C 18 C WB Cooling Heating Minimum 16 C DB WB 15 WB SM830036 24 2 PROCESSES AND FUNCTIONS 2 1 Room Temperature ere eegent 26 E 26 B Heath G C Tm 27 2 2 Cold Draft Prevention Heating Cycle eee 28 2 3 Automatic Fan Speed Indoor Unit ege Ruso bu seo ERE Gp UR tn 29 Pi
11. Outdoor unit air short Indoor unit heat exchanger dirty clogged Large pipe side service valve closed Indoor fan stop Air filter clogged 0344 M I SM830036 76 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 M I 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 SM830036 77 4 Service procedures 16 Symptom LCD on the remote controller displays CHECK E16 When the group of the units are installed is
12. Indoor unit Measure the coil resistance 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 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 SM830036 98 4 Service procedures 6 Solenoid coil of the electronic refrigerant Measure the coil resistance control valve ERCV Indoor unit 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 Outdoo
13. Short the two terminals of DISP PIN on indoor unit PCB DISP PIN Refer to P VI 2 p Press the TEST CHK SET and CL buttons at the same time for more than 4 Seconds Ca SET TEMP A CY Ca s FAN SPEED Vg 0367 M I Set the CODE No 12 to set the No of C with the 4 w SET TEMP button wry AIR FLOW Coun wis toe ic Fe RC Woy Ce Ca cong Ne SET TEMP TIMER SET gt wal vw E p N T Emm adc w JHL SET ata IN GET o SS 0368_M_I SM830036 92 4 Service procedures d Set the No of R C which you want to set with 4 e button Ex No of R will be set 2 AIR FLOW UNIT FLAP TIMER SET 0369 M I Press the SET button UNIT No CODE No 12 and SET DATA 0002 change from flashing to ON state D Select the CODE No 13 to set the indoor unit No with the 4 w SET TEMP button Set the indoor unit No which you want to set with the A w button M Ex Indoor unit No 4 will be set UND usse In this example indoor unit address rap meom UNIT No will be set 2 4 TIMER SET
14. 567 YEL PNK 7 2 Safety device Internal type Operating temperature 130 8 79415 Run capacitor 440 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 16 SM830036 1 Specifications 1 2 Major Component Specifications B Outdoor Unit MODEL No SPW C363GH8 SPW C483GH8 Source 380 400 415 V 3 phase 50 Hz Controller P C B Ass y CR C253GH Microprocessor Control circuit fuse 250 3 15 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 272 T2 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 Refrigerant amount at shipment kg High pressure switch 1TB07 Set pressure OFF kg cm 30452 ON kg cm 24 t 2 0 Fan Propeller Number diameter Fan speeds Fan motor Model KFC6T 91C5P x2 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 YEL Ambient temperature 20 C
15. B Heating Except During Defrosting EEN 39 2 15 Compressor Current Detection Circuit neden beende 40 2 16 Dehumidifying Operation ENEE 41 2 17 Electronic Refrigerant Control Valve Control 42 2 18 Voltage Detection Control nierstenen eeler 43 3 ELECTRICAL DATA meneren deed 45 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 46 3 2 Outdoor Unit Electric Wiring Diagram Schematic Diagram 52 4 SERVICE EIERE 61 4 1 Troubleshooting serverende eisen se eden 62 4 2 Checking the Electrical Components nu 95 5 INSTRUCTION MANUALE 109 SM830036 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 Look 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 dia
16. Fig 4 Chart Explanations and notes 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 ROOM TEMP deg SET TEMP CH 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 SM830036 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 Note that in both Cooling and Heating modes the fan comes on at first at high speed H mode for 5 seconds Since outdoor conditions sometimes make it difficult for the fan to start this sudden surge of power may be necessary The outdoor fan operates in mode for 3 minutes after the compressor stops excluding defrosting operation period 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 Not less than 25 H 5 Not more than 25 c M 25 Lu H S M H Fig 6 B Heating O
17. SO soiree cheer Sarees pde uibus ide bait Dun ne 104 7 R C Address Setting Method ttr 105 8 Automatic Address Setting Method 106 9 Displaying Indoor Outdoor Unit Combination Numbers 106 10 Items to Check Prior to Test Run uisaute ettet 107 RRPNEI E abqiee ol iN Rm 108 SM830036 61 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 section
18. When you have found a major problem such as refrigerant not flowing in the 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 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 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 narrow tubes separately indoor and outdoor units are not insulated 0458 M I SM830036 65 4 Service procedures B Heating b Heating Poor heating Is setting temp h h i i Change the setting temp Is heating load too large Refrigerant flow 4 way valve is failure defective Refrigerant shortage
19. 24 2 PROCESSES AND FUNCTIONS 25 2 1 Room Temperature Control ANEN 26 OOMEN ERE 26 denderende 27 2 2 Cold Draft Prevention Heating Cycle AEN 28 2 3 Automatic Fan Speed Indoor 29 Sole 29 Heating 29 2 4 Outdoor Fan Speed 30 OG ee 30 B d E 30 2 5 Freeze Prevention 31 2 6 Condensing Temperature Control Cooling 32 2 7 Overload Protection Heating ENEE 33 2 8 Discharge Temperature Control Cooling and Heating 34 2 9 Auto Mode for Automatic Heating Cooling Switching 34 SM830036 2 10 Defrosting Control Outdoor Heat Exchanger Coil 36 2 11 4 Way Valve Solenoid Control 37 Normal Control EE nnn eneen tende 37 POULES olde 38 2 12 Automatic Restart after Power 38 2 13 Electronic Refrigerant Control Valve AAA 39 2 14 Compressor Discharge Gas Temperature 39 egg 39
20. 7 H M 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 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 57 854 2 5268 454 00 1 C363GH8 SM830036 3 Electrical data 3 2 Outdoor Uni SPW C483GH8 00 9 89 26 98 T3A NHO THA NHO a U z A LHM d az e 0199 10 98UU0D D LA 40joeuu0 d fo AHO NH84 cu e MNd41 7 a 13A de Joyoauuog w B c L X184 a x NUE LHM 4 i0 IA ob LIA AHOJ
21. During the test run the air 3 conditioner runs continuously and the thermostat does not control the system Alarm message f After the test run be sure to press the TEST CHK button once again ONL OEF operation to finish this mode and make 0355 1 sure TEST is not shown on the display 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 SM830036 83 C Check the sensor temperature readings 4 Service procedures The air conditioner has thermo sensors which are used to control the unit Each sensor has an address which is made up of the indoor unit address 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 remote controller press both TEST CHK and CL buttons at the same time for more than 4 seconds 0356 M I p The UNIT No the address and temperature of the sensors instead of its usual information
22. Indoor unit is detecting unusual Error transmitting of serial communications signal E17 signal from another indoor unit Error receiving of serial communications signal E18 Improper setting of indoor unit or Indoor unit group address is not correct 101 Operation lamp remote controller Model setting of indoor unit is not matching the outdoor unit Lo2 Neat Stat by lamp flash at When using group control main indoor unit address setting is duplicated 103 the same time 2 judged by indoor unit Tt Operation 9 Outdoor unit address is duplicated L04 lamp 2 Improper wiring between indoor units L07 Timer lamp There is a group connection wiring in case of individual control zx Heat stand Indoor unit address or group address is not set 108 by lamp Capacity code of indoor unit is not set 109 Improper wiring of group control wiring L11 Indoor unit model setting is improper capacity L13 Improper wiring connections of ceiling panel P09 operation 9 Protective device in indoor unit Thermal protector in indoor fan motor is activated P01 Xt Timer lamp 5 jis activated oe D Heat stand 5 Float switch is activated P10 by lamp Protective device in outdoor unit Thermal protector in outdoor fan motor is activated P02 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 5 260 V or less than 160 V bet
23. WHT VLT 56 7 YEL PNK Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 440 V 6uF x2 Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area SM830036 17 1 Specifications 1 3 Other Component Specifications MODEL No Indoor Unit Outdoor Unit pe SPW D253GH56 SPW C253GH5 SPW C253GH8 Power Transformer ATR 1215 ATR 165B Rated Primary AC 230 V 50 Hz AC 230 V 50 Hz Secondary 10 2V 1 4A 14 V 04 14 V 05A Coil resistance WHT WHT 110 BRN 0 5 WHT WHT 300 BRN BRN 2 2 RED RED 23 Thermal cut off temperature 145 145 Thermistor Coil sensor 41E 36 41E S25 PBC 41E S4 Coil resistance 10 23 7 10 9 7 5 C 18 8 20 6 5 0 15 0 30 4 4 5 12 1 40 3 1 45 2 6 Thermistor Room or coil sensor KTEC 35 S2 51H S1 Coil resistance kQ 16 5 40 C 13 8 90 C 12 8 45 C 2 97 100 C 10 0 50 C i 82 110 C 6 3 55 C 7 0 1209 G 4 0 59 130 C Relay FMCA 1SZ607 Coil rated AC 220 240 V Contact rating AC 440 V 13A Coil resistance at 25 C Solenoid control valve or coil Solenoid control valve IKV 24012 0201 Solenoid c
24. address operation with UNIT button d 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 d Complete the automatic address operation by pressing the TEST CHK button SM830036 88 4 Service procedures G Confirm and change the indoor unit address 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 TEST CHK and buttons at the same time for more than 4 seconds IMER SE FAN SPEED 0362_ _1 p Select the No which you want to change with the UNIT up or FLAP down buttons Press the SET button to confirm the 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 Cx
25. motor magnetic contactor defect defect Refrigerant over charged Outdoor unit PCB defect 0346 M I 20 Check the indoor unit When the alarm of communication failure is not activated e 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 SM830036 79 6 1 4 Service procedures Procedures When a Specific Component Does Not Work Indoor fan does not operate No Replace the capacitor Is fan motor capacitor normal Is there voltage output of P C B Ass y for fan motor Replace the P C B Ass y in the indoor unit Check resistance of fan motor winding Replace the fan motor 0650_M_S 80 SM830036 4 Service procedures 2 Compressor motor does not operate Does compressor motor ma
26. that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Execute enough ventilation in case refrigerant gas leaks during operations Be careful not to contact the refrigerant gas with the flame It will cause the generation of poisonous gas Keep all tubing runs as short as possible Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as either narrow or wide rather than as liquid or gas When Servicing Turn the power OFF at the main power box before opening the unit to check or repair electrical
27. 1 MQ D Power Supply Wires Clamp the earthed wire of the Power Supply wires with a lead clip of the insulation resis 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 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on high voltage terminal on the terminal plate Fig 40 See Fig 28 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 D and then 2 on the 8 or 6P terminal plate Fig 40 See Fig 28 Outdoor Unit SPW C253GH8 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 5 and then and then 2 on the 8P terminal plate Fig 40 See Fig 29 95 Earthed wire Insulation tester Insulation tester Copper tube or metallic part 0639 X S Fig 40 SM830036 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 Similary disconnect the lead wires
28. EIN LHAWENH AYD OZL oo 22 lt lt LHM dS HHH 171 LHM d6 40 98uu0D 3 LHM dz 9 1HW99 w1a dz 40 98UU0D E LHM zNH mig ou 9 OS ORNS J0 98UU0D INU EDS 198 8 UAMS 2 OL gang jonuog 1OMOd 5 830036 46 3 Electrical data 3 1 Indoor Unit SPW D253GH56 Schematic Diagram CR X253GH__ Controller 1 l Room Thermistor TH1 E1 TH2 QW Indoor Coil Indoor Coil 2 WW Indoor Coil Mp BEREH EHH bE TH3 E3 TH4 e To Outdoor Unit 8P 8P Pu Symbols Description Symbols Description FMI Indoor Fan Motor TH4 Thermistor Indoor Coil E3 4911 Indoor Motor Thermal Protector CR X253GH Indoor Controller Runn
29. PCB No Is there 220 240 V AC between Replace the outdoor unit PCB CN19 9 and CN19 1 on 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_ _1 SM830036 75 4 Service procedures 12 Symptoms LCD on the remote controller displays CHECK Alarm for unusual discharge temp of compressor Unusual discharge gas temperature Refrigerant shortage Clogged refrigerant circuit Electronic refrigerant control valve defect indoor unit 0343M 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 Electronic refrigerant control valve defect Refrigerant over charged Cooling Outdoor unit heat exchanger dirty clogged Outdoor unit air short Outdoor fan stopped Heating
30. a shortage of refrigerant is only shown by the outdoor P C B Ass y LEDs and the Alarm Message does not appear 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 SM830036 69 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 15 there 15 V AC Is the primary Is the 220 240 V No indoor unit power between 1 and 2 side of the indoor circuit shorted Yes Correct the connections Has the ind
31. 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 M I p 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 4 w SET TEMP button d Choose the shift temp with 4 e button EX UNIT No 1 6 n CODE No 06 Shift temp 5 deg TRC Na 0366_ _1 Press the SET button CODE No 06 SET DATA and change from flashing to ON state D If you made a mistake press the CL button 9 Finally press the TEST CHK button SM830036 91 4 Service procedures 1 the indoor unit address 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
32. or are No 1 and No 3 black wired reversed Remote controller judges itself with self diagnostic functions To avoid misjudgment always remove the No 1 line of the remote controller wiring from the indoor unit terminal plate A SM830036 71 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 5 Symptom LCD remote controller is displaying CHECK E05 Unusual communication between the ind
33. 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 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 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 C When switching from cooling heating to heating cooling t
34. will start CODE No changes a d from flashing to ON state too ith diurna When you press the TEST CHK button again the system returns to operation the alarm message will be normal remote control mode 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 5 Ifthe 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 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 max about 20 min for each R C In case of central control SM830036 106 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 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 o
35. 0D 1467 DAN 5 830036 LHW 9 Ona de HS Ona de J0joeuuo z d da _ NT9 IH n18 00 LHM OOA DAZLOS 298 195 jeuiuuo BEA SO jonuoo 05 OL un wejbeig 5115913 50 3 Electrical data 3 1 Indoor Unit D SPW D483GH56 Schematic Diagram RCS CR X253GH _ Controller 8P 1 L 0 6 EE TH1 il E1 TH2 il E2 TH3 il TH4 8P A 8P e U2 Ut To Outdoor Unit Description Symbols Description Indoor Fan Motor TH4 Thermistor Indoor Coil E3 Indoor Motor Thermal Protector CR X253GH Indoor Controller Running Capacitor Terminal Plate Fuse Connector Power Transformer Terminal Auxiliary Relay
36. 3A NHS NHD seo 1HM ma IMA dc 9 de 98 ld lt jeuiuue L jeuiuue EX ooo 12 wn 1 21 OL IF Buui 20199 3 SM830036 54 3 2 Outdoor Unit SPW C253GH8 Terminal Plate 8P L1 F1 3 15A jen 3 3 Electrical data CR C253GH Controller E B P N VCC ne l e Outdoor Coil C1 Outdoor Coil C2 Discharge gas N L3 L2 SE EE SES 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 Transmitter Running Capacitor Power Transformer Crank Case Heater Four Way Valve F
37. 8 minutes when it is in the B range to select the best operation mode SM830036 Ad 2 Processes and functions 2 17 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 Freeze prevention control 1 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 Repeat control accordance with the priority order 0451_M_S Even though the operation is performed every 30 seconds the 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 u
38. 83GH8 10 4 12 2 14 6 Chart Summary and Explanations Overload Protection 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 When the detected current is 1 4 times greater than the rated current value Is 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 Failure of Compressor Current Detection 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 e 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 Failure of compressor Current Detection SM830036 40 2 Processes and functions 2 16 Dehu
39. EEN Error transmitting of serial communications signal E02 lamp flashes Indoor unit is detecting unusual signal from the remote controller or group control E03 Tt Operation No serial communications signal lamp c Ti Improper setting of indoor unit Indoor unit address setting is duplicated E08 Timer lamp remote controller Remote controller address RCU ADR is duplicated E09 2 Indoor unit is detecting unusual Error transmitting of serial communications signal E10 5 signal from signal option Error receiving of serial communications signal E11 5 Improper setting of indoor unit When using flexible combination control main indoor unit address E14 remote controller setting is duplicated judged by outdoor unit bal nn 2 Indoor unit is detecting unusual Error receiving of serial communications signal E04 Heat stand by ignal f r unit We m Signal Error transmitting of serial communications signal E05 lamp flashes 8 sd ier maie M Error receiving of serial communications signal E06 Operation wu unit 9 Confirmation error of unit numbers included lamp b Error transmitting of serial communications signal E07 Timer lamp P Heat stand Auto address setting is not No of judged indoor units or total capacity of indoor units is small E15 by lamp Sortes No of judged indoor units or total capacity of indoor units is large E16
40. FS Float Switch Auxiliary Relay Auxiliary Relay Motor Operated Valve Remote Control Switch Room Thermistor Thermistor Indoor Coil E1 Thermistor Indoor Coil E2 854 2 5268 428 00 1 D SM830036 51 3 Electrical data 3 2 Outdoor Uni D SPW C253GH5 GHDESZO 2 00 8929 2 98 V 52 Gau az d z T3A NHO AHO Sr LHM d8 Nd Jala lt ob LIA LHM4 to io LHM X184 AHO AH94 o AVVIOV de NHD seo eBueuosiq 12 aL dau dz 4 NHG NH8 TaNNYD SH 50 LHM d 79 LHM d6 491101105 Buui 2117994 7929 DAN LHM d amp eg qaad TANNYD om de ald wun OL 49 eld Fatz NX N A A jddng SM830036 _ 52 _ 3 2 Outdoor Unit SPW C253GH5 Terminal Plate 6P 3 a q Re CT
41. G YEL Ambient temperature 20 C WHT VLT 447 YEL BLK VLT ORG 1 20 BLK PNK Safety device Operating temperature Open C 130 8 C Close C 79 15 Run capacitor VAC uF 440 V 7 0 uF Electronic refrigerant control valve Solenoid control model EKV MOZS559E0 Coil resistance at 20 C GRY 46 YEL GRY RED GRY 46 BLK GRY Solenoid control valve model HKV 30D16 Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 4 2 0 Face area 0 273 SM830036 13 1 Specifications 1 2 Major Component Specifications A Indoor Unit MODEL No SPW D483GH56 Source 220 230 240 V 1 phase 50 Hz Remote controller Option RCS SH80TG Microprocessor Controller P C B Ass y CR X253GH Microprocessor Fan Number diameter Centrifugal 1 250 Fan Motor Model Nominal output KFC4Q 401A5P 400 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 077 Coil resistance Ambient temperature 20 C BRN WHT 11 05 ORG YEL WHT VLT 1 80 YEL VLT ORG 1 00 Safety device Operating temperature Open C 130 8 Close C 79 15 Run capacitor VAC uF 440 V 7 uF x 2 Electronic refrigerant control valve Solenoid control
42. 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 CNA 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 Setting of indoor control PCB No setting is necessary Each indoor unit address UNIT No R C No is decided after auto address operation Indoor unit No Refrigerant Circuit No R C address Manual setting for indoor unit address can be performed also by remote controller SM830036 104 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 Outdoor control PCB CN4 2P Black Refrigerant circuit address factory setting 0 Refrigerant circuit address bla AN N 7 Refrigerant circuit address 2P DIP switch green or Blue 10 20 162 position position ON ON side ADD S1 T 53 Automatic address setting start button 4 Used for central control link system and group control Normally not used 1 Z oFFside STE y 0515 C I
43. OID COIL 4 WAY VALVE ON ON OUTDOOR FAN H OR L ON ON INDOOR FAN le E E EAA __ OFF SET SPEED OFF OR LL OR LL STANDBY 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 SM830036 46 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 controller 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 a2 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 2 E y Le El y 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 Expla
44. Outdoor unit is higher than indoor unit 50 164 HIE Outdoor unit is lower than indoor unit 30 98 oos 3 4 outer diameter Wide tube mm in 19 05 3 4 Refrigerant amount at shipment R22 3 5 DIMENSIONS amp WEIGHT Unit dimensions Package dimensions Net weight Shipping weight Shipping volume Cooling Rating conditions g Ib g Ib u ft 0 42 HA 0 56 98 DATA SUBJECT CHANGE WITHOUT NOTICE Indoor air temperature 27 DB 19 WB Outdoor air temperature 35 DB Full load conditions Indoor air temperature 35 DB 25 WB Outdoor air temperature 45 DB Heating Rating conditions Indoor air temperature 20 C DB Outdoor air temperature 7 DB 6 DB Full load conditions Indoor air temperature 24 DB Outdoor air temperature 24 DB 15 5 WB SM830036 10 1 Specifications 1 1 Unit Specifications MODEL No SPW D483GH56 SPW C483GH8 POWER SOURCE 380 400 415 V 50 Hz PERFORMANCE Capacity KW mun Moisture removal High lites 98 LZ ELECTRICAL RATINGS ee ECCE Ruming amperes 93 92 94 95 96 99 Max running amperes 97 o7 99 104 191 98 Controls Thermostat control Microprocessor 1 thermostat Timer ON OFF 72 hours Fan speeds Indoor Ourdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filte
45. Restart after Power Interruption This air conditionner has a power failure recovery function SM830036 38 2 Processes and functions 2 13 Electronic Refrigerant Control Valve 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 nd HEAT COOL 25 type 100 step 120 step 36 type 90 step 90 step 480 step 48 type 100 step 110 step C Fuzzy Control Fuzzy Control is a controlling system to control electronic refrigerant control valve using fuzzy logic It regulates the functions of heating and 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 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 Exce
46. Review heating load estimate Replace the valve Charge with refrigerant Electronic refrigerant Replace the valve control valve is defective Compressor is defective Replace the compressor Service valves are not fully open Open the valves fully Not enough i 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 vae discharged defective 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 SM830036 66 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 67 Possible causes of troubles controller controller display display Remote controller is detecting Error receiving of serial communications signal E01 Operation REES
47. SERVICE MANUAL SANYO SPW D253GH56 SPW C253GH5 SPW D253GH56 SPW C253GH8 SPW D363GH56 SPW C363GH8 SPW D483GH56 SPW C483GH8 SPLIT SYSTEM AIR CONDITIONER SPW D253GH56 854 011 56 SPW C253GH5 854 012 18 Section 1 SPW D253GH56 854 011 56 SPW C253GH8 854 012 19 SPW D363GH56 854 011 57 SPW C363GH8 854 012 20 SPW D483GH56 854 011 58 SPW C483GH8 854 012 21 Indoor Unit Outdoor Unit 22 NSZ SS SPW D253GH56 SPW C253GH5 SPW D363GH56 SPW C253GH8 SPW D483GH56 SPW C363GH8 SPW C483GH8 85464849136001 REFERENCE NO SM830036 Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can CAUTION result in personal injury or product or property damage If Necessary G
48. T TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 WB Outdoor air temperature 35 DB Full load conditions Indoor air temperature 35 C DB 25 C WB Outdoor air temperature 45 C DB Heating Rating conditions Indoor air temperature 20 DB Outdoor air temperature 7 6 DB Full load conditions Indoor air temperature 24 C DB Outdoor air temperature 24 C DB 15 5 C WB SM830036 1 Specifications 1 1 Unit Specifications MODEL No POWER SOURCE PERFORMANCE Capacity RW BTU h 36 000 39 000 Air circulation Hi Me Lo 1 800 1 680 1 500 Moisture removal High 45 LT External static pressure High mmAq Pa 18 176 at shipment Eee ee EM OMEN ELECTRICAL RATINGS Max runningamperes AT 68 67 65 66 65 65 pT Controls Thermostat control Microprocessor LC thermostat Timer ON OFF 72 hours Fan speeds Indoor Ourdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Remote controller Refrigerant control fe Field supply Option Wired RCS SH80TG Electrons ML EC Control Valve Drain pump drain connection 25A 0OD32mm Compressor Operation sound REFRIGERANT TUBING Indoor Hi Me Lo 45 44 42 Outdoor Hi Limit of tubing length ag aa 50 164 Limit of tubing length at shipment m ft 30 98 Limit of elevation difference
49. The compressor stops for 3 minutes minimum SM830036 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 CO 55 OUTDOOR FAN SPEED H M o 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 SM830036 ligo 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 x OVERLOAD m PROTECTION OVERLOAD PROTECTION gt lt gt gt FUZZY CONTROL FUZZY CONTROL ELECTRONIC REF CONTROL VALVE OPEN OPEN START UP ZEN OUTDOOR FM COMPENSATION non 0438_M_S Fig 10 Chart Explanations and notes This chart shows how the ou
50. ay the indoor outdoor unit address after automatic address setting 1 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 NM Outdoor Unit 2 2 3 Indoor Units 2 1 2 2 2 Individual auto address operation for each refrigerant circuit 2 Displaying indoor outdoor unit D To select each refrigerant circuit address is necessary for individually and set addresses maintenance Always label numbers automatically press the TEST CHK Check indoor unit address with the and 4 buttons at the same remote controller Press the TEST time for more than 4 seconds then CHK button for at least 4 seconds and press the 4 w SET TEMP button check the indoor unit address with the once to set CODE No A1 UNIT button Each time you press the CODE No A1 Auto address UNIT button the address changes 1 operation 1 1 2 2 1 2 2 The fan for only 2 Select R C No which you want to the selected indoor unit turns on at execute the auto address operation high speed so check which indoor with UNIT button unit runs and label the indoor unit ddress 3 Press the SET button The auto address js operation
51. 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 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 than the set temperature HEATING operation starts SM830036 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 lt REMOTE CONTROLLED SET TEMP P SHIFT SET TEMP 2 deg HEATING SELECTION TEMP 3 deg gt lt 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
52. d conditions Indoor air temperature 35 DB 25 WB Outdoor air temperature 45 DB Heating Rating conditions Indoor air temperature 20 C DB Outdoor air temperature 7 C DB 6 DB Full load conditions Indoor air temperature 24 C DB Outdoor air temperature 24 C DB 15 5 C WB SM830036 1 Specifications 1 1 Unit Specifications MODEL No Pp IndoorUnit SPW D253GH56 POWER SOURCE PERFORMANCE Capacity BTU 7h h 25 000 27 000 Masure or E ELECTRICAL RATINGS ee ee ee Controls Thermostat control Microprocessor C thermostat Timer ON OFF 72 hours Fan speeds Indoor Ourdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired RCS SH80TG Refrigerant control Drain pump drain connection o 25A 0D32mm Compressor Operation sound Indoor Hi Me Lo 44 431 42 Outdoor Hi I REFRIGERANT TUBING Eit ot tubing length EE Limit of tubing length at shipment 8098 Limit of elevation difference Outdoor unit is higher Se indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 5 8 outer diameter Wide tube mm in 15 88 5 8 DIMENSIONS amp WEIGHT Unit dimensions Package dimensions Net weight g Ib Shipping weight g Ib 61 E Shipping volume u ft 0 42 14 8 0 3 12 3 DATA SUBJEC
53. d 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 1 C or T 2 C when set on body sensor Compressor ON Thermo OFF When the room temperature is 1 below the set temperature T Compressor gt OFF SM830036 26 2 Processes and functions B Heating THERMO ON THERMO ON REMOTE CONTROL THERMO OFF SENSOR Only for wireless remote controller SET 1 SETTING TEMP SET 1 C THERMO OFF THERMO ON THERMO OFF THERMO OFF BODY SENSOR THERMO ON THERMO ON THERMO ON 1 4 1 SET TEMP MORE THAN MORE THAN 5 MINUTES 3 MINUTES 5 MINUTES 3 MINUTES gt lt gt lt lt gt COMPRESSOR OFF ON OFF ON OFF ON 1 OUTDOOR FAN HOR Mj OFF ON OFF ON OFF ON 3 SECONDS 2 INDOOR FAN OFF LI LL SET SPEED LL SET SPEED LL SET SPEED S En STANDBY OFF ON OFF ON OFF ON OFF 31 C INDOOR HEAT N EXCH COIL 27 2 25 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 5 F
54. d with the unit is shown on the display O Resetting the remote controller display to previous mode 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 This function is usable even if the unit is not working 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 below NORMAL DISPLAY x a SERVICE CHECK DISPLAY Set temp gt UNIT No gt UNIT No Indoor unit address Hours Minutes Alarm Message SM830036 85 4 Service procedures This picture shows the service check display UNIT No UNIT No rr l 1 1 RC tno TI La Refrigerant Circuit No tix CODE No N Alarm gt II 7 Service 0358 M I A maximum of 4 alarm messages can be accessed by pressing either SET TEMP button 4 or w a
55. el ee 29 CEU NS de ase 29 2 4 Outdoor Fan Speed Control Pe RED 30 CP COUN mec I cA 30 EE 30 2 5 Freeze Prevention DG 31 2 6 Condensing Temperature Control Cooling 32 2 7 Overload Protection PISANG 33 2 8 Discharge Temperature Control Cooling and Heating 34 2 9 Auto Mode for Automatic Heating Cooling Switching 34 2 10 Defrosting Control Outdoor Heat Exchanger Coil Heating 36 2 11 4 Way Valve Solenoid Control 37 A Normal Control mat entend dee 37 BLAUTO Control MOOR ode 38 2 12 Automatic Restart after Power Interruption 38 2 13 Electronic Refrigerant Control Valve un 39 2 14 Compressor Discharge Gas Temperature 39 39 B Heating Except During Defrosting en 39 2 15 Compressor Current Detection Circuit 2 einn deg 40 2 16 Dehumidifying Operation Bet SM 41 2 17 Electronic Refrigerant Control Valve Control 42 2 18 Vo
56. et Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing lIn a Room Properly insulate any tubing run inside a room to prevent sweating
57. 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 d Clip Copper tube or metallic part 7 Insulation tester 0640_X_S Fig 42 From fan motor compressor and other parts lt P ul Metallic Probe Clip Insulation tester 0641 X S Fig 43 SM830036 96 4 Service procedures 2 Checking the Protective Devices e 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 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 D Indoor fan motor thermal protector 49 Indoor unit Disconnect 9P connector WHT which leads to the indoor fan motor FMI 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 e Only for the SPW C253GH8 and SPW C363GH8 Disconnect the 8P connector
58. gnetic No Replace the compressor contactor 52C actuate motor magnetic contactor Yes Check resistance of compressor motor winding NG Replace the compressor 0461 M I 3 Outdoor fan does not operate Are auxiliary relays 1Y 2Y normal Replace the relays No 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 SM830036 81 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 controller 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 A Set service check switches The service check switch RCU CK is located on the back of the remote controller s P C B Ass y as follows j RCU ADR swi
59. grams 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 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 f
60. he actuation of the 4 way valve will delay about 30 50 seconds after the compressor turns ON SM830036 35 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 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 minutes 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 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 2 MAX 9 MINUTES 1 MINUTE COMPRESSOR ON ON ON SOLEN
61. ig 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 below the set temperature Compressor gt ON Thermo OFF When the room temperature is 1 C above the set temperature T 1 C Compressor gt OFF When set on body sensor NOTE In case of Body sensor operating temperature is shifted to setting temperature 4 C SM830036 97 2 Processes 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 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 During Thermo OFF refer to 2 1 B Room Temperature Control Heating During the defrosting operation refer to 2 10 Defrosting Control Heating Until either the coil temperature E2 reaches 27 C or when a maximum of 6 minutes has pas
62. ind 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 and 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 SM830036 SM830036 1 SPECIFICATIONS 1 1 Unit Specifications E 8 152 Major Component E Me 12 Indoor tt etch leit rts n
63. ing Capacitor Terminal Plate Fuse Connector ei Power Transformer Terminal Auxiliary Relay FS Float Switch Auxiliary Relay Motor Operated Valve Remote Control Switch Room Thermistor Thermistor Indoor Coil E1 Thermistor Indoor Coil E2 854 2 5268 426 00 1 D SM830036 47 3 Electrical data Indoor Uni 3 1 D SPW D363GH56 1 00 7 89 9 798 3 109 23109 3 109 NHD INd na H ESZX LHM dz 40 99UU0D da 49 01 U09 LHA LNA LHM ENY AYD 0ZL HHH 171 N H LHM OOA 19 dz IJS One de 10 09UU09 d 10 9 uu0 9 9 95 19 20 NY 595 LDS 10 2 6 1467 T3A NHO dg erela euw T3A NHO UIMS 2 o our i Taong onuog JOMOd jun wejbeig Buui 2117994 SM830036 48 3 Electrical data 3 1 Indoor Unit SPW D363GH56 Schematic Diagram RCS CR X253GH __ _ Controller ele pl e er
64. l Protector Terminal High Pressure Switch 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 59 854 2 5268 457 00 2 C483GH8 SM830036 3 Electrical data SM830036 60 4 SERVICE PROCEDURES 4 1 Troubleshooting enee 62 1 Check before and after Troubleshooting 63 2 General Troubleshooting Flow Chart Diagnosis and Remedy 65 3 Meanings of alarm 67 4 LED Indication on the Outdoor Units P C B ASSY 69 5 Symptoms and parts to inspect GE 70 6 Procedures When a Specific Component Does Not Work 80 7 Service Functions of Remote 82 4 2 Checking the Electrical Components 95 1 Measurement of Insulation Resistance 95 2 Checking the ee 97 3 Checking the Electrical Parts nnn 98 4 Sensor and Solenoid Layout 101 5 Thermistor Chasrabtersllte ae supra Gi ne 103
65. ller Option RCS SH80TG Microprocessor Controller P C B Ass y CR X253GH Microprocessor Fan Number diameter Centrifugal 2 o 220 Fan Motor Model Nominal output KFC4X 201B5P 200 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 004 Coil resistance BRN WHT 13 75 ORG YEL Ambient temperature 20 C WHT VLT 4 47 YEL BLK VLT ORG 1 20 BLK PNK Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC uF 440 V 5 0 uF Electronic refrigerant control valve Solenoid control model DKV MOZS550E0 Coil resistance at 20 C ORG GRY 46 YEL GRY RED GRY 46 BLK GRY Solenoid control valve model IKV 24D12 Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 35 240 Face area 0 233 SM830036 12 1 Specifications 1 2 Major Component Specifications A Indoor Unit Source 220 230 240 V 1 phase 50 Hz Remote controller Option RCS SH80TG Microprocessor Controller P C B Ass y CR X253GH Microprocessor Fan Number diameter Centrifugal 1 220 Fan Motor Model Nominal output KFC4X 201B5P 200 W Source 220 230 240 1 phase 50 Hz No of pole r p m 230 V High 4 1 134 Coil resistance WHT 13 75 OR
66. ltage Deteclon CONO een Lusto Ee 43 SM830036 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 MINUTES 5 MINUTES 3 MINUTES 5 MINUTES gt lt gt lt gt a P 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 turne
67. midifying 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 A DEG LA 2deg SET TEMP B 2deg C 0448 M S F ig z 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 conditioner ROOM TEMP AREA 2 T 1 C 2 SET TEMP ore Hc Edo nets B 2 1 C Le 5 MINUTES 3 MINUTES 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
68. model EKV MOZS559E0 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 4 2 0 Face area 0 273 SM830036 14 1 Specifications 1 2 Major Component Specifications B Outdoor Unit Source 220 230 240 V 1 phase 50 Hz CR C253GH5 Microprocessor Controller P C B Ass y 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 0 76 R S 3 52 Ambient temperature 25 C 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 ACB 1 07 OFF kg cm 30259 ON kg cm 24 t 2 0 Fan Propeller High pressure switch Set pressure 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 WHT BRN 127 3 YEL Ambient temperature 20 WHT 56 7 YEL PNK Safety device Internal t
69. nations 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 SM830036 87 2 Processes and functions B AUTO Control Mode POWER SOURCE OFF ON OPERATION BUTTON MORE THAN 10 MINUTES MORE THAN 10 MINUTES THERMO OFF THERMO OFF AUTO COOL COOL CONTROL HEAT HEAT HEAT THERMO OFF THERMO ON 3 MINUTES MORE THAN 3 MINUTES COMPRESSOR OFF ON ON OFF ON MORE THAN MORE THAN 30 50 SECONDS 4 30 50 SECONDS SOLENOID COIL WAY 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
70. nce Resistance wo A OD N A 20 15 10 5 0 5 10 15 20 gt 10 15 20 25 30 35 40 Temperature C ee Temperature C 0374_M_I 0375_ _1 3 Compressor discharge gas temp sensor TH8 51 Resistance kQ 80 90 100 110 120 130 Temperature C 0376_ _1 SM830036 103 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 address setting at 0 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 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
71. ning with controlling remote controller switches when there are two remote controllers Correct the setting 0339 M I SM830036 73 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 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 49 1 off on the indoor unit PCB shorted Correct the connection Replace the indoor fan Replace the indoor unit PCB 0340M I 10 Symptom LCD on the remote controller displays CHECK P10 Indoor float switch operation warning Is there 12 V DC between FS 1 and FS 3 on the indoor unit PCB Replace the indoor unit PCB Yes N Is the float switch off B Correct the connection Yes Clogged drain 0703_M_I SM830036 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
72. nit 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 SM830036 42 2 Processes and functions 2 18 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 SM830036 43 2 Processes and functions SM830036 44 3 ELECTRICAL DATA 3 1 Indoor Unit Electric Wiring Diagram Schematic Diagram 46 3 2 Outdoor Unit Electric Wiring Diagram Schematic Diagram 52 SM830036 45 3 Electrical data Indoor Uni 3 1 D SPW D253GH56 1 00 9 8929 98 3 100 29109 13 105 duet woog Nd na 034 191101 U09 LHM
73. nter unit power wiring Indoor Unit Outdoor Unit gt 0 Factory shipped state Line voltage 7 Inter unit control wiring Low voltage Remote controller 02 Af 62 63 3 Check power supply 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 1 Fig 28 Q Check that voltage is within the specified range 10 of the rating Check that power is being supplied Check the lead wires and connectors in indoor and outdoor units 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 63 SM830036 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 Check that power supply wires are correctly connected to terminal No 5 through No 8 on the 8P terminal plate in the outdoor unit Check the power supply
74. oil DKV MOZS550E0 CHV 01AJ504D1 Float switch FS 3502 204 Rated Contact rated AC 230 V 50 W SM830036 18 1 3 Other Component Specifications MODEL No Power Transformer Indoor Unit 1 Specifications Outdoor Unit SPW D363GH56 SPW D483GH56 ATR 1215 SPW C363GH8 SPW C483GH8 ATR I65B Rated Primary AC 230 V 50 Hz AC 230 V 50 Hz Secondary 10 2V 14 14 V 04 14 V 05A Coil resistance WHT WHT 110 0 5 RED RED 2 3 WHT WHT 300 BRN BRN 22 Thermal cut off temperature 145 145 Thermistor Coil sensor 41E 36 44E 25 PBC 41 4 Coil resistance 10 23 7 5 18 8 0 15 0 5 12 1 10 9 7 20 6 5 30 4 4 40 3 1 45 2 6 Thermistor Room or coil sensor 35 2 51H 1 Coil resistance 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 152607 Coil rated AC 220 240 V Contact rating 440V 13 A Coil resistance at 25 C Solenoid control valve or coil Solenoid control valve HKV 30D16 CHV 0301 CHV 0401 Solenoid coil EKV MOZS559E0 CHV 01AJ504D1 Float swi
75. oor unit PCB fuse blown Replace the indoor unit PCB transformer of the 4P connector power transformer for the indoor unit s shorted power transformer Replace or repair N the 2301 the indoor unit s indoor unit N power 2301 0332 M I SM830036 70 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 Open ihe inspection vin pin shorted P Replace the indoor unit PCB 0655 3 Symptom LCD 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
76. oor and outdoor units Indoor unit PCB transmission reception circuit defect Replace the indoor unit PCB 0336_M_I SM830036 72 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 M I 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 M I 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 concer
77. ostat H05 by lamp Low pressure switch H06 Power supply voltage between phases is unbalanced H17 Standard comp contactor Mg SW is chattering H18 flashes OFF SM830036 68 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 LED 1 on Remote P C board board controller EEN No message Normal e O E06 E07 L04 Outdoor unit serial signal is abnormal Outdoor unit address is duplicated Other outdoor units are performing auto address and No message detecting refrigerant shortage 02 CM thermal protection is in operation Power supply voltage is abnormal P04 P05 High voltage SW activates Negative phase protector activates F04 F09 Sensor is abnormal Open or short e H01 H02 Abnormal compressor current value is detected H04 HOS Scroll thermal protection failure is detected E15 16 Auto address failure Flash at the same time GETTING Auto address is in operation Flash alternately flashes NOTE LED lamps OFF LED lamps ON lights up LED lamps ON flashes 0654 C I Fig 90 NE REFRIGERANT SHORTAGE Note particularly that
78. parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site when finished servicing Don t forget to check that no metal scraps or bits of wiring have been left inside the unit SM830036 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 better able to work by himself as well as assist the more experienced technician TABLE OF CONTENTS 1 2 Vere 7 1 1 Unit Specifications 8 1 2 Major Component Specifications AAR 12 AJ Indoor d 12 Ee Tee 15 1 3 Other Component Specifications ENEE 18 TB Meet 20 A Indoor Unit EE 20 21 1 5 Refigerant Flow ce oscar area ts 23 1 6 Operating Range RU X
79. pt During Defrosting Indoor temp C 18 21 22 25 26 30 Outdoor temp 0 1 10 Oorbelow 1 10 11 21 1 10 11 21 Compressor discharge gas temp C 40 80 50 90 40 90 50 100160 105 50 90 60 100 70 105 Q Operate the unit at least 30 minutes to stabilize the discharge temperature The above discharge temperature was measured with a 15m tubing length The temperature may vary with tubing length SM830036 39 2 Processes and functions 2 15 Compressor Current Detection Circuit 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 Overcurrent can be caused by several factors particularly mechanical seizing of the compressor or liquid 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 1 17 Is Normal Operation Range value 0447_M_S Fig 18 Outdoor 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 7 1 8 3 9 9 SPW C363GH8 15 8 8 10 5 SPW C4
80. r 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 OFF ON 36 type 3 phase OFF OFF 48 type 3 phase OFF OFF ON ON 48 type 3 phase OFF ON SM830036 107 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 Turn on power supply for indoor units side first Then turn on power supply for outdoor unit side control for multiple outdoor units Yes Set the outdoor unit 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 Yes Finish all R C line
81. r Field supply Remote controller Option Wired RCS SH80TG Refrigerant control Electronic Refrigerant Control Valve Drain pump drain connection 25A 0OD32mm Compressor Scroll Operation sound Indoor Hi Me Lo dB A 47 46 44 REFRIGERANT TUBING IMEEM C Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 cn E Ese Outdoor unit is lower than indoor unit 30 98 905 outer diameter Wide tube mm in 19 05 3 4 DIMENSIONS amp WEIGHT Unit dimensions 620 24 13 32 340 13 12 32 Package dimensions Height mm in 513 20 6 32 1 326 52 7 32 1 148 45 6 32 1 016 40 Depth mm in 713 28 2 32 416 16 12 32 Net weight k i Shipping weight kg I n b 54 119 108 238 b 69 152 115 254 Shipping volume m Cu ft 0 42 14 8 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE g 9 Cooling Rating conditions Indoor air temperature 27 C DB 19 WB Outdoor air temperature 35 DB Full load conditions Indoor air temperature 35 DB 25 C WB Outdoor air temperature 45 C DB Heating Rating conditions Indoor air temperature 20 C DB Outdoor air temperature 7 C 6 DB Full load conditions Indoor air temperature 24 C DB Outdoor air temperature 24 C DB 15 5 C WB SM830036 11 1 Specifications 1 2 Major Component Specifications A Indoor Unit Source 220 230 240 V 1 phase 50 Hz Remote contro
82. r unit Measure the coil resistance e 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 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 e Check the continuity between contactors MODEL FMCA 1S Push button on Pair of terminals the magnetic contactor R U S V 31 32 no press ee YES press YES YES YES 9 Solenoid coil of 4 way valve 205 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 Other component specifications SM830036 99 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 fu
83. s Poor heating and Poor Cooling Under each 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 SM830036 62 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 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 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 I
84. s follows NOTE Pressing CL Clear button will clear all a Past the service history SETTEMP wa KL WU apresen A accessed in order of Past gt Present MERC Y accessed in order of Present gt Past FAN SPEED d 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 e button four times The 5th time you press e button you can repeat the display then the first message will be shown again UNIT No UNIT No UNIT No UNIT No od od od ee R C No gt R C gt R C No R C CODE No CODE No CODE No CODE No VII TI TI LI l LL LI 4 14 4 CHECK CHECK FIT CHECK CHECK IL oL I VF LI LIC rT I SERVICE SERVICE SERVICE SERVICE UNIT No L 1 R C No CODE No If there are no alarm messages the display shows i Alarm message gt CHECK SERVICE 0360_M_I SM830036 86 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 To erase accessed data press the CL button When erasing is finisned mark appears on the controller s display
85. se 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 SM830036 100 4 Service procedures 4 Sensor and Solenoid Layout Diagram Indoor Unit SPW D253GH56 e SPW D363GH56 SPW D483GH56 Electronic refrigerant control valve ERCV Electronic refrigerant control valve ERCV TH2 E1 RED BRN E2 BLK TH3 E2 BLK TH E1 RED 0476 D I Outdoor Unit SPW C253GH5 SPW C253GH8 TH6 7 8 208 63PH 8 GRN C2 RED Discharge gas CM CH TH6 C1 BLK 0582 C S 0583 C S SM830036 101 4 Service procedures SPW C363GH8 C TH7 C2 RED TH8 GRN Discharge gas TH6 C1 BLK 0585 C S 0584 C S C TH7 C2 RED TH6 C1 BLK 0585 C S 0586 C S SM830036 102 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 40 35 ETS 30 25 20 Resista
86. t The indoor fan motor operates in L instead of LL for seconds as it starts to give the fan an initial boost 33 lt 6 MINUTES 31 INDOOR UNIT COIL TEMP E2 C 27 25 4 10 2 AUTO OR 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 S INDICATOR STANDBY APPEARS LL Very low speed M Medium speed L Low speed H High speed 0673 X S 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 temperature at sensor E2 falls below 10 C the indoor fan motor stops running SM830036 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 ROOM TEMP deg 3 2 1 SET TEMP gt INDOOR FAN SPEED H H High L Low M Middle LL Very low 0433_M_S
87. tch L 0354 M I 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 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 SM830036 82 4 Service procedures B Use the test run procedure 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 following procedure be sure to stop test run operation when you finish the procedure or the air conditioner may be damaged 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 b Press the ON OFF operation vone button to start the test run ELD Press the MODE button to select SET TEMP either COOLING or HEATING MER SE im mode DNE When the test run starts TEST shows on the remote controller s display
88. tch FS 3502 204 Rated Contact rated AC 230 V 50W 19 SM830036 1 4 Dimensional Data A Indoor Unit 25 36 48 Type A 310 25 55 100 100 55 300 B 1 Specifications 25 36 type A 420 B 395 68 48 450 425 98 25 type 36 48 type Ref gas line g 15 88 g 19 05 Ref liquid line g 6 35 9 52 Refrigerant liquid line Refrigerant gas line 8 Power supply entry 4 Drain connection 20 VP20 Duct connection for suction Duct connection for discharge 290 130 Suspension bolt pitch Drain pan LD LD e r3 1 D A o Qa 5 8 o o amp c E Sl of tl 5 3 a T 2 x 3 o E o PES e o 0053 ZS 2E Ld LD 4 920 Hole for suspension bolt Fig 1 20 Electric box 1 o 2 on 2 u x 9 x 3N 2 a o B D Ly Y 1 a o 0580_D_S SM830036 1 Specifications B Outdoor Unit SPW C253GH5 SPW C253GH8 110 170 660 1 09
89. tdoor 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 SM830036 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 95 113 93 DISCHARGE GAS 110 90 105 85 THE TEMPERATURES IN THE PARENTHESIS IS FOR 48 TYPE NN OUTDOOR FAN SPEED HORM HORM COMPRESSOR 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
90. there any mis cross pane Wing between inter unit control wiring and refrigerant tubing Are the total 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 pate WIRT 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 SM830036 78 4 Service procedures 19 Symptom LCD on the remote controller displays CHECK H01 H02 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 display Compressor lock detection Compressor current detection circuit defect CHECK display Compressor overload detection Insufficient voltage Compressor lock L3 phase wire disconnected Comp motor magnetic contactor Comp
91. use Thermistor Outdoor Coil C1 Thermistor Outdoor Coil C2 Thermistor Discharge Gas 55 854 2 5268 453 00 0 C253GH8 SM830036 3 Electrical data 88 SPW C363GH8 3 2 Outdoor Uni BHDEIEI 1 00 6 8926 758 T3A NHO DAN N gt gt LL Nua Nu8 o 11 7T3A NHO aay az 2 ep LA LHM 4 i0 LHM KL LHM 2 o aw NI NP DA 88 8 19 de J0 98UU0D NH84 e aH NHA of of LIA LHM to i0 LHM AWD 4 v A89 AYD 4 co 184 qaui TAA EE li oe At LOV ul IOA de Soe OcS 119 T3A NHO HM de 4 lt DAME LHM d6 LHM d amp THA NHS seo abreyosiq LHM ma Nua 1060000900 Naan Joopu OL Aiddng 2117994 SM830036 56 3 2 Outdoor Unit SPW C363GH8 Terminal Plate 8P p 5 6
92. utdoor coil Outdoor fan G temperature C2 motor FMo m M Not less than 14 c M lt Not more than 14 H i Ge tc O gt o Fig 7 SM830036 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 QEEN 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 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
93. ween L and N phase alternately 5 S Discharge gas temperature of PC comp is unusual p M E High pressure switch is activated P04 Timer lamp 2 Negative phase or voltage drops POS x Heat stand Other indooor unit is warning P31 by lamp SM830036 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 o open or short i E2 TH Fop and heat stand by 5 ndoor coil temp E2 TH3 cannot be detected 0 lamp flash 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 t open or short a lamp E Outdoor coil liquid temp C1 THOE cannot be detected F06 ze Timer lamp Outdoor coil gas temp C2 cannot be detected F07 Q9 Heat stand Scroll protection thermostat F09 by lamp Non volatile memory IC EEPROM is abnormal Indoor control panel F29 Protective device for PC compressor motor is overloaded H01 n my S e 2 5 compressor is activated PC compressor motor is locked H02 a o ag Compressor current detection circuit is defective H03 Timer lamp 295 Scroll proteiton thermostat H04 Heat stand No detection of scroll protection therm
94. 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 e Check socket s terminal between No 3 GRY lead wire and No 4 GRY lead wire 4 High pressure switch 63PH Outdoor unit e Disconnect the socket 63PH of 3P red connecting to the P C board and check both sides 1 white 3 red SM830036 97 4 Service procedures 3 Checking the Electrical Parts D Power transformer 1 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 Power transformer TR2 Outdoor unit Measure the coil resistance Primary Measure the resistance between No 1 and No 3 WHT lead wires terminals of 3P WHT socket jointed to power transformer e Secondary 14V Measure the resistance between No 1 and No 2 BRN lead wires Refer to 1 3 Other component specifications 8 Indoor fan motor
95. will flash on the display to check with UNIT button 9 Following example shows the UNIT No Indoor unit address is fixed at 01 01 In case of group control select the UNIT NO Indoor unit address which you want Each time you press the a w 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 nni Crue CS CODE No SET TI TIMER SET Ce A ES FAN SPEED 225 Ore TEST CHK Sensor address Sensor temperature 0357 M I Do not press TIMER SET button during the procedure 84 SM830036 4 Service procedures Refer 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 CODE No Location of Sensor Themistor Indoor Unit 01 02 TH1 Indoor air suction Temp 03 TH2 Indoor coil Temp E1 04 Indoor coil Temp E2 Outdoor Unit 06 THOA Discharge gas Temp A OB THOB Scroll protection thermostat 0C 00 THOD Outdoor coil liquid Temp C2 OE THOE Outdoor coil liquid Temp C1 NOTE In case there are no sensor equippe
96. wires are correctly connected between terminal No 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 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 meruit eet N power wiring Line voltage 2 2 Sir 19 Inter unit gt 01 1 4 control wiring Low voltage 03 2 5 Li ES 2 c L2 Di Power supply 62 3 L3 380 415 V 3 Nv 50 Hz R3 00 S Remote controller e Option TO NI Ground A 0499 M I Fig 29 3 Check power supply Q Check that voltage is within the specified range 10 of the rating 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 4 Check the lead wires and connectors in indoor and outdoor units Check that the sheath of lead wires is not damaged Q Check that the lead wires are firmly connected at the terminal plate Check that the wiring is correct SM830036 64 4 Service procedures 2 General Troubleshooting Flow Chart Diagnosis and Remedy
97. x A89 AHA x AUD AH94 oHa SI d NHD seo Es 1o DAN AHO DHO Po Su 502 029 a HM de 13A dE LHM d6 Ona de LHM d amp T3A NHS 4ejonuo2 dz jeuiuuo Joopu OL wesbeig Buui 20199 3 98 ald L Oooo SON XY T jddng SM830036 58 3 2 Outdoor Unit 4 SPW C483GH8 Terminal Plate 8P 3 Electrical data CR C253GH Controller i ai AC 230V VCC Outdoor Coil C1 Outdoor Coil C2 Discharge gas N L3 L2 47 Hrl PH IN fe 2 HS 7 Description Symbols Description Compressor Motor Outdoor Fan Motor CR C253GH Outdoor Controller Auxiliary Relay Compressor Motor Magnetic Contactor Terminal Plate Outdoor Fan Motor Therma
98. ype Operating temperature 130 8 79415 Run capacitor 440 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area SM830036 15 1 2 Major Component Specifications B Outdoor Unit 1 Specifications 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 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 T 5 54 T m 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 kg cm 24 2 0 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 1273 VLT YEL 15 0 WHT VLT

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