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AIR CONDITIONER

1. 120 590 80 Hanger fa A D T T T 2 T E LE f E a x fl L 320 Drain hose 0 54m m 48 E h o Knock out system Connecting pipe 0 43m Flare 226 35 160 18 57 Wireless remote control Hanger Connecting pipe 0 33m Flare 29 52 620 235 235 For stud bolt 215 215 128 010 EAN PA For stud bolt Z6 to ceiling Es o 3 N 2 9 1 jiu a e CES GUERRES iom 19 to ceiling U _ EE D aed to ceiling 9o N o j 170 or more a Vi NX I I DIPL Sp N iQ N Hanger Hanger e 90 150 160 Dee 150 90 Installation plate outline Center line 14 FILE NO SVM 04013 3 2 Outdoor Unit Detail drawing Back Leg 25 f f i A px STE RA Detail drawing Front Leg Z lt e co R15 s A y t J va a 30 Drain outlet Pa 2 11 x 14 Hole For 28 10 anchor bolt Q436 FAN GUARD nf q COVER PV e RARES yon HR H HU A nene eem d h MG BHAA
2. COCO 9 8 6 2 Names and functions of indications on remote control Display All indications except for clock time indication are indicated by pushing the START STOP button Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit Mode display Indicates the current operation mode AUTO Automatic control A Auto changeover control zx Cool Dry x Heat Fan only Temperature display Indicates the temperature setting 17 C to 30 C When you set the operating mode to Fan only no temperature setting is indicated Louver operation display Indicates the louver positioning and operation Five selectable positions q q q 9 9 Automatic q Swing FAN speed display Indicates the selected fan speed AUTO or one of five fan speed levels LOW Z LOW MED mati MED HIGH MM can be indicated Indicates AUTO when the operating mode is either AUTO or Dry FILE NO SVM 04013 TIMER and clock time display The time set for timer operation or clock time is indicated The present time is always indicated except for TIMER operation Hi POWER display Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation MEMORY display Flashes for 4 seconds when the MEMO button is pushed during operation
3. Resistance value in good product 50kQ or more 50kQ or more 0Q in trouble 0Q in trouble FILE NO SVM 04013 10 9 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom e Outdoor fan motor does not rotate Outdoor fan motor stops within several ten seconds though it starts rotating e Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor or 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 and CN301 of the outdoor fan motor from the inverter Does the fan rotate without trouble when rotating it with hands If the resistance value between Red lead White lead White lead Black lead 3 Black lead Red lead of the connector CN300 Motor winding is 17 to 250 it is normal If the resistance value between D Yellow lead 4 Pink lead of the connector CN301 Motor position detection is 5k to 20kQ it is
4. For protection of inverter input overcurrent 25A AC 250 V Electrolytic capacitor LLQ2G501KHUATF 400LISN500K35F 500uF DC 400 V x 3 pieces Transistor module 6MBI25GS 060 01 or 6MBI25GS 060 01A 25A 600 V Compressor DA130A1F 24F 3 phases 4 poles 1100 W Convertor module MP 7003 20 Diode 25A 600 V IG BT 40 A 600V FILE NO SVM 04013 6 REFRIGERANT CYCLE DIAGRAM 6 1 Refrigerant Cycle Diagram RAS 13UKV E3 RAS 13UAV E3 INDOOR UNIT H Temp measurement Indoor heat exchanger zc I dose TOW Ten 559 or oe om P Pressure measurement Deoxidized copper pipe 2 8 gt Max 15m Gauge attaching port Outer dia 6 35 mm So g Vacuum pump connecting port Thickness 0 8 mm ead 85 ii Sectional shape o8 Deoxidized copper pipe of heat end lt Outer dia 9 52 m Thickness 0 8 mm Y mu nas ue cvercc PL eM u CE Ec Ne MU c c RN an XV ol Muffler Strainer i 4 way valve i CHV 0213 E Muffl Pulse modulating 0 ae e valve at liquid side SEV16RC3 TD Compressor DA91A1F 45F TS Ed eeu Outdoor heat exchanger Split capillary 1 5 x 2008 PEED P 1 5 x 2002 Temp measurement y LS x 2008 I Co m Propeller fan Refrigerant amount 0 8 e OUTDOOR UNIT
5. AU N jJ C 530 265 i Electrical CE part cover Liquid side p f Flare 26 35 J J J Gas side Flare 9 52 f di I lt J J 8 pp Ann l View x Service port Installation dimension Willa 600 600 or more Tl MAirinlet 600 or more 320 100 or more Air outlet 600 or more 4 x 11 x 14 Long holes For 28 210 anchorbolt 15 FILE NO SVM 04013 4 WIRING DIAGRAM 4 1 Indoor Unit COLOR IDENTIFICATIONBLU BLK BLACK RED RED WHI WHITE YEL YELLOW BLU GRN amp YEL TERMINAL INDOORlouTDOOR BLOCK UNIT UNIT BLUE GREEN amp YELLOW n e mme a 0 THERMO SENSOR TA CN25 POWER SUPPLY A INFRARED RAYS RECEIVING AND INDICATING PARTS LOUVER MOTOR Table 4 1 1 Simple Check for Failure Diagnosis Check Item Diagnosis Result Check to see if the OPERATION indicator goes on and off when the main switch or breaker is turned on Check the primary and secondary voltage of the transformer OPERATION INDICATOR Check the power supply voltage between 1 and 2 Refer to the name plate TERMINAL BLOCK Check the primary and secondary voltage of the transformer Check the fluctuating
6. Compressor Motor output 750 Type Twin rotary type with DC inverter variable speed control Model DA130A1F 24F Fan motor output 43 Air flow rate Cooling Heating 2410 2410 Piping connection Type Flare connection Indoor unit Liquid side 26 35 Gas side 012 7 Outdoor unit Liquid side 26 35 Gas side 012 7 Maximum length Per unit 15 Maximum chargeless length 15 Maximum height difference 10 Refrigerant Name of refrigerant R410A Weight 0 95 Wiring connection Power supply 3 Wires includes earth Outdoor Interconnection 4 Wires includes earth Usable temperature range Indoor Cooling Heating 21 32 0 28 Outdoor Cooling Heating 10 43 10 24 Accessory Indoor unit Installation plate Wireless remote control Remote controller holder Flat head wood screw Purifying filter Zeolite filter Batteries 2 Mounting screw 6 4 x 25L Installation manual Owner s manual Outdoor unit Drain nipple e The specification may be subject to change without notice for purpose of improvement ER 1 2 Operation Characteristic Curve lt Cooling gt 7 6 5 lt 4 lt o o o 3 o 2 e Conditions Indoor DB 27 C WB 19 C Outdoor DB 35 C 1 Air flow High Pipe length 5m 230V
7. Ww BV f 99 BW a LEN P C BOARD T BX MCC 813 BY BZ Q200 pecu aD ga am CDU OU _ u WH QUE A IGBT Insulated Gate Bipolar Transistor P224 WHI PPS CM BU jPis pas BLK jov 7 H WAY a ra COMPRESSOR 18 FILE NO SVM 04013 5 SPECIFICATION OF ELECTRICAL PARTS 5 1 Indoor Unit Parts name Specifications Fan motor for indoor ICF 340 30 2 DC 340 V 30 W Thermo sensor TA sensor 10 kQ at 25 C DC DC transformer TO1 SWT 70 DC 390 V Secondary DC 15 V 12V 7 V Microcomputer uPD780024AGK Heat exchanger sensor TC sensor Line filter LO1 SS11V 06270 27mH AC 0 6A Diode DB01 D3SBA60 4A 600 V Capacitor C03 KMH450VNSN120M25C 120uF 450 V Fuse F01 FCU250V 3 15A T3 15A 250 V Power supply IC IC01 STR L472 Varistor R21 R109 15G561K 560 V Resistor R01 RF 5TK4R7 4 70 5W Output Rated 1 W 16 poles 1 phase DC 12V 10 kQ at 25 C Louver motor MP24GA Parts name Model name SC coil ADR2516 0R6TB 20A 150uH Noise filter L03 ADR2520 R15TB 15A 0 6mH Primary side DC280V Secondary DC DC transformer SWT 78 side 7 5 V x 1 13 V x 1 26 5V x 3 16Vx1 15Vx1 Reactor CH 57 Z T L 10mH 16A x 2 Outside fan motor ICF 140 43 1 DC140 V 43 W Suction temp sensor TS sensor Inverter attached 10 kQ 25 C Discharge temp sensor TD sensor Inverter attached 62 KQ 20 C Outsid
8. Batteries 2 Mounting screw 6 4 x 25L Installation manual Owner s manual Outdoor unit Drain nipple e The specification may be subject to change without notice for purpose of improvement 23 Unit model Indoor FILE NO SVM 04013 RAS 16UKV E Outdoor RAS 16UAV E Current limited Cooling capacity 3 5 Cooling capacity range 0 9 4 0 Heating capacity 4 2 Heating capacity range 0 9 6 0 Power supply 220 240V 1Ph 50 60Hz Electric characteristics Operation mode Cooling Heating Running current 0 2 0 2 Power consumption 30 30 Power factor 65 65 Outdoor Operation mode Cooling Heating Running current 7 20 8 32 Power consumption 1590 1620 Power factor 96 85 Starting current 8 05 COP Cooling Heating 2 85 3 41 Operation noise Indoor High Cooling Heating 45 44 Medium Cooling Heating 40 40 Low Cooling Heating 34 34 Outdoor Cooling Heating 51 53 Indoor unit Unit model RAS 16UKV E Dimension Height 275 Width 790 Depth 208 Net weight 10 Fan motor output 30 Air flow rate Cooling Heating 760 780 Outdoor unit Unit model RAS 16UAV E Dimension Height 550 Width 780 Depth 720 Net weight 39
9. Compressor revolution rps TO gt 38 C To 13 8 To 34 7 From 35 3 Outdoor temp sensor TO TO lt 38 C TO lt 15 C TO gt 38 C ECONO operation TO lt 38 C TO lt 15 C TO is abnormal lt HEAT gt Model name Table 8 1 4 RAS 13UAV E3 RAS 16UAV E Compressor revolution rps TO 25 C To 16 8 To 57 4 From 58 0 Outdoor temp sensor TO TO lt 5 C ECONO operation TO 25 C TO lt 5 C TO is abnormal 29 8 2 Description of Operation Circuit Turning ON the breaker flashes the operation lamp 1Hz This is the display of power ON or notification of power failure When pushing START STOP button of the remote control receive sound is issued from the main unit and the next operations are performed together with opening the vertical air flow louvers 8 2 1 Cooling operation The Remote Control MODE Button is Set to the COOL Position Once the setting is made the operation mode is memorized in the microcomputer so that the same operation can be effected thereafter simply by pushing START STOP button A cooling operation signal is transmitted to outdoor unit The outdoor unit controls the outdoor fan relay R01 R02 and R03 and the compressor motor speed according to the operation command signal sent from the indoor unit When FAN button is set to AUTO the indoor fan
10. Gu e This appliance can be connected to the mains in either of the following two ways 1 Connection to fixed wiring A switch or circuit breake which disconnects all poles and has a contact separation of at least 3 mm must be incorporate in the fixed sneer horizontal directions i wiring An approved circuit breaker or bo N switches must used BET 2 Connection with power supply plug Projection Attach power supply plug with power cord and gt O gt 15 mm or less plug it into wall outlet An approved power supply cord and plug must be used J A Fig 9 2 4 NOTE e Perform wiring works so as to allow a generous 5 mm dia hole wiring capacity tg uo 2 Mounting uwa T L screw 24 x 252 N Clip anchor local parts Fig 9 2 5 Failure to firmly install the unit may result in personal injury and property damage if the unit falls e n case of block brick concrete or similar type walls make 5 mm dia holes in the wall e Insert clip anchors for appropriate mounting screws NOTE e Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it 48 FILE NO SVM 04013 9 2 4 Wiring connection 9 2 5 Piping and drain hose installation lt How to connect the connecting cable gt lt Piping and Drain Hose Forming gt Wiring of the connecting cable can be carried out Since dewing results in a machine trouble make without removing of
11. Power factor improvement control is performed mainly aiming to reduce the current on much power consump tion of cooling heating operation Controlling starts from the time when input power has reached at a certain point To be concrete IGBT of the power factor improvement circuit is used and the power factor is improved by keeping IGBT on for an arbitrary period to widen electro angle of the input current 27 FILE NO SVM 04013 8 1 4 Prevent freezing control 8 1 7 Indoor fan control DC fan motor The indoor heat exchanger sensor detects refrigerant 1 The indoor fan is operated by the stepless speed vapor temperature in COOL DRY operation If the change DC motor temperature is below the specified value compressor 2 For air flow level speed of the indoor fan motor is motor speed is reduced so that operation is performed controlled in five steps LOW LOW MED MED in temperature below the specified value to prevent and HIGH If AUTO mode is selected the fan freezing of indoor heat exchanger motor speed is automatically controlled by the difference between the preset temperature and 8 1 5 P M V Pulse Modulating Valve the room temperature Using P M V refrigerant flow of refrigeration cycle is varied for the optimum temperature LOW LOW MED After the power has been turned on when a serial 2 operation signal is received from indoor at the first MED MED HIGH time or when PMV alarm is detected an
12. 43T46308 43T46307 43T47331 43T47333 43T63303 43T47008 Description Cabinet Front Assy Cabinet Back Assy Base Assy Cabinet Upper Assy Guard Fan Cover Packed Valve Cover Wiring Assy Compressor Assy Condenser Assy Valve Packed 6 35 Dia Valve Packed 12 70 Dia Bonnet 6 35 Dia Bonnet 12 70 Dia Fixing Plate Valve Capillary tube 1 5 Dia Location FILE NO SVM 04013 19 CAPILLARY TUBE 1 5 DIA 43146326 43T63305 43T58303 43T54304 43T63005 43T20307 43T21334 43T47001 42747325 43749308 43746319 43763304 43T63306 43179305 Description Body PMV Coil PMV Reactor Bimetal Thermo Holder Thermostat Bimetal Fan Propeller Motor Fan Nut Flange Bolt Compressor M6 Cushion Rubber 4 Way Valve 4 Way Valve Coil Assy Holder Sensor Nipple Drain FILE NO SVM 04013 12 4 Outdoor Unit E Parts Assy 706 TE Sensor 6 TS Sensor 26 TO Sensor 26 TD Sensor 24 705 rue Description Location Description o 43T62312 Heatsink 43T50305 Temperature Sensor 43T69398 P C Board RAS 13UAV E3 43T50304 Temperature Sensor 43T69397 P C Board RAS 16UAV E 43T62313 Base Plate P C 43T60352 Terminal 6P 43T60326 Fuse _ 91 TOSHIBA CARRIER CORPORATION
13. 5 0 5 5 FAN AUTO nH 1 2 Approximate revolution speed of M and L to linear accordingly to temperature Fig 8 2 6 Setting of air flow Cold draft preventing control The upper limit of fan revolution speed is shown below Approximate revolution speed of HIGH and SUL linear by Tc SUL NOTE 1 Stop Starting of FAN Manual Fig 8 2 7 Cold draft preventing control NOTES 1 Stops for 2 minutes after thermostat OFF 2 24 C when the set temp is 24 C or more Set temp when the set temp is below 24 C 8 SUL Super ultra low _ 32 In starting and in stability In starting In stability e Until 12 minutes passed after operation start e When 12 to 25 minutes passed after operation start and room temp is 3 C or lower than set temp e When 12 to 25 minutes passed after operation start and room temp is higher than set temp 3 C When 25 minutes or more passed 4 after operation Outside air temp C FILE NO SVM 04013 TO 16 0 15 5 11 0 10 5 Fig 8 2 8 Defrost control 1 Detection of frost start In heating operation time duration while the FAN e Room temp lt Set e Room temp compressor operates is counted and defrost Manual temp 4 C Set temp 3 5 C operation starts by any condition described below The outdoor unit controls the outdoor fan based upon a The counted time is 28 minutes or mor
14. 85 FILE NO SVM 04013 lt P C board layout gt MCC 813 Rat EPA TES Q eJ in PP RN i Nd DS escasa SEP f CIS Polri lo afi ce fut De 86 FILE NO SVM 04013 12 EXPLODED VIEWS AND PARTS LIST 12 1 Indoor Unit E Parts Assy 405 401 Location Location Description Description No No 43T69319 Temperature Sensor TC 10kW25 C 43169079 PC Board ASSY WRS LED 43T60001 Terminal 2P AC300V 20A 43T69329 P C Board RAS 13UKV E3 43T69320 Temperature Sensor TA 10KW 25 C 43T69399 P C Board RAS 16UKV E 43T62003 Cord Clamp 87 12 2 Indoor Unit Location No 43T00391 43T09335 43T03302 43T80301 43T09328 43T08392 43T70002 43T79301 43T21321 43T44320 43T47006 43T47305 43T11301 43T19302 43T49302 43T49006 43T79302 43T22002 43T39301 Description Front Panel Assy Inlet Grille Assy Back Body Assy Air Filter Horizontal Louver LED Panel Assy Drain Hose Cap Drain Motor Louver MP24Z DC 12V Refrigeration Cycle Assy Pipe Delivery 6 35 Pipe Suction 28 00 Pipe Shield Holder Sensor Plate of EVA Seal Holder Plate EVA Seal Guide Drain Bearing Base Bearing Location No 43T20302 43T39302 43T21327 43T39303 43T82301 43T69309 43T83003 43T85410 43T85411 43T85412 43T85413 43T85414 43T85424 43T62302 43T60317 43T60316 43T07303 43T01303 EN FILE NO SVM 040
15. C return to above item 1 Current release control minimum value of the outdoor heat exchanger during 10 to 15 minutes count time continued for 2 minutes or more If the following three conditions are satis fied defrost operation Timer defrost starts after heating operation for 37 minutes D Setting on remote control HEAT xx mode HIGH mii Fan 30 C temp 2 Room temp is 19 C to 24 C and outside air temp is 5 C or lower 8 Defrost operation has been already performed once The input current of compressor and outdoor fan motor Precisely inverter main circuit control section which occupies most of air conditioner input is detected by the outdoor current sensor The compressor motor speed is lowered gradually according to the range of TO outside air temp if the input current exceeds the current value determined in each zone as shown in Fig 8 2 8 so that the input current does not exceed the set value In case that the current lowered by approx 0 5A than each set value return to above item 1 33 5 2 Defrost operation Operation of the compressor is stopped once turn off power coupler for 4 way valves after 10 seconds and then exchange the 4 way valves After 20 seconds restart operation of the compressor Turn off the outdoor fan just when the compressor stopped If temperature of the indoor heat exchanger lowered than 38 C stop the indoor fan Defrost reset Resettin
16. Nominal diameter Outer diameter mm Thickness mm FILE NO SVM 04013 Table 2 2 3 Dimensions related to flare processing for R410A A mm Flare tool for R410A clutch type Conventional flare tool Clutch type 1 0 to 1 5 Wing nut type 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 Nominal diameter 1 0 to 1 5 Table 2 2 4 Dimensions related to flare processing for R22 Outer diameter mm Thickness mm A mm 2 0 to 2 5 Flare tool for R410A clutch type Conventional flare tool Clutch type 0 5 to 1 0 Wing nut type 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 2 0 Nominal diameter 0 5 to 1 0 Table 2 2 5 Flare and flare nut dimensions for R410A Outer diameter mm Thickness mm Dimension mm C 1 0 to 2 0 Flare nut width mm Nominal diameter Table 2 2 6 Flare and flare nut dimensions for R22 Outer diameter mm Thickness mm Dimension mm C Flare nut width mm FILE NO SVM 04013 RN 45e Fig 2 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions When it is strong the flare nut may crack and a Make sure that the flare and union portions do may be made non removable When choosing not have any scar
17. Q mark is indicated when keeping the button depressed for more than 4 seconds while the mark is flashing Push another button to turn off the mark ECO TIMER display Indicates when the ECO TIMER is in operation Each time you push the ECO button the display changes in the sequence of 1 3 5 or 9h gt JL m EXC In the illustration all indications are indicated for explanation During operation only the relevant indications will be indicated on the remote control 39 8 7 Hi POWER Mode Hi POWER button on the remote control is pushed When Hi POWER button is pushed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote control and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation 2 Cooling operation e The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change e If the difference between the preset tempera ture and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the differ ence between them gets smaller the horizontal louver returns automatically 3 Heating operation e The preset temperature increases 2 C The value of the preset temperature on the remote control does not change e If the difference between the preset t
18. board etc TA sensor 71 Being out of place Operation Displayed when 1 Check heat exchanger sensor 111 disconnection short circuit continues error is detected 2 When heat exchanger sensor is or migration of heat normal check P C board exchanger sensor TC sensor I Lock of indoor fan or trouble All off Displayed when 1 Check P C board l onthe indoor fan circuit error is detected 2 When P C board is normal check the motor Not 74 Trouble on other indoor Operation Displayed when Replace P C board displayed I PC boards continues error is detected F4 1 Connec r Return serial signal is not Operation Flashes when 1 When the outdoor unit never LI ting cable J 1 sent to indoor side from continues trouble is operate and serial operation started detected on 1 Check connecting cable and signal 1 Defective wiring of return serial correct if defective wiring connecting cable signal and 2 Check 25A fuse of inverter 2 Operation of normal status P C board compressor thermo when signal is 8 Check 3 15A of inverter Gas shortage reset P C board Gas leak 2 To display Other block during operation check compressor thermo operation and supply gas check gas leak also 3 Unit operates normally during check If Return serial signal does not stop between 2 and 3 of the indoor terminal block replace inverter P C board If signal stops between indoor terminal
19. button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compressor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 minutes respectively after the operation has started The set value of the remote control should be below the room temperature If the set value is above the room temperature Cooling operation is not performed And check whether battery of the remote control is consumed or not In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maximum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control 10 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote control 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 and
20. compressor motor speed by changing AC 220 240 V power to DC once and controls capac ity by changing supply power status to the compressor with transistor module includes 6 transistors The outline of the control is as follows The revolution position and revolution speed of the motor are detected by detecting winding electromotive force of the compressor motor under operation and the revolution speed is changed so that the motor drives based upon revolution speed of the operation command by changing timing current transfer timing to exchange inverter output voltage and supply power winding Detection of the revolution position for controlling is performed 12 times per 1 revolution of compressor The range of supply power frequency to the compressor differs according to the operation status COOL HEAT DRY Table 8 1 1 Compressor revolution range Operation Compressor mode revolution rps 13 to 88 16 to 110 13UKV E3 13 to 91 13 to 106 16UKV E 8 1 2 Current release control The outdoor main circuit control section Inverter assembly detects the input current to the outdoor unit If the current value with compressor motor speed instructed from indoor side exceeds the specified value the outdoor main circuit control section controls compressor motor speed by reducing motor speed so that value becomes closest to the command within the limited value 8 1 3 Power factor improvement control
21. motor operates as shown in Fig 8 2 1 When FAN button is set to LOW Z LOW MED at MED mem HIGH sm the motor operates with a constant air flow NOTE 1 Calculated from difference in motor speed of M and L and controlled Fig 8 2 1 Setting of air flow Fan AUTO 1 2 3 Current value A 30 FILE NO SVM 04013 Cooling capacity control e The cooling capacity and room temperature are controller by changing the compressor motor speed according to both the difference between the temperature detected by the room temperature sensor and the temperature set by TEMP v i button and also any change in room temperature e When compressor has been activated or reactivated it operates with Max 41 rps for 2 minutes with Max 91 rps from 2 minutes to 3 minutes and with Max 88 rps after 3 minutes passed e When room temperature is lower than set temperature indoor fan motor is operated at fan speed L as shown in Fig 8 2 1 while the outdoor unit stops Prevent freezing control If temperature of indoor heat exchanger detected by the indoor heat exchanger sensor is 5 C lower compressor motor speed is gradually lowered to prevent freezing of the indoor heat exchanger If temperature is 7 C or higher return the operation to the above item 1 Current release control The input current of compressor and outdoor fan motor Precisely inverter main circuit control section which occupy mos
22. 0 li li I t 0 20 40 60 80 100 Compressor speed rps 7 FILE NO SVM 04013 Heating e Conditions Indoor DB 20 G Outdoor DB 7 C WB 6 C Air flow High Pipe length 5m 230V 0 20 40 60 80 100 Compressor speed rps 1 3 Capacity Variation Ratio According to Temperature Cooling Capacity ratio 96 105 100 9 2 S gt O D a O e Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Outdoor temp C Capacity ratio 10096 Nominal Capacity Heating 120 jd AN ME EORR NUR UNE 100 aussi Es cue ue tcd s 80 70 60 50 40 30 20 x x e Conditions Indoor DB 20 G 10 x x Indoor air flow High Pipe length 5m g a acce 10 9 8 7 6 5 4 3 2 10 1 2 3 4 5 6 7 8 9 10 Outdoor temp C FILE NO SVM 04013 2 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new
23. 2 Optional installation parts Part a coat Parts name QOty Refrigerant piping Liquid side 26 35 mm 13 16 Series ONE Gas side 29 52 mm 13 Series Sach Gas side 12 7 mm 16 Series Pipe insulating material p g polyethylene foam 6 mm thick 1 One Putty PVC tapes each lt Fixing bolt arrangement of outdoor unit gt 600 Suction side Drain hole Diffuser Fig 9 1 2 Secure the outdoor unit with the fixing bolts and nuts if the unit is likely to be exposed to a strong wind Use 28 mm or 210 mm anchor bolts and nuts e f itis necessary to drain the defrost water attach drain nipple to the bottom plate of the outdoor unit before installing it _ 44 9 1 3 Accessory and installation parts FILE NO SVM 04013 Part No Part name Q ty NO Part name Q ty ue Part name Q ty n j 1 Installation plate x 1 Remote control holder x 1 Mounting screw 24 x 25 2x6 EJ amp Flat head wood screw Wireless remote control x 1 Zeolite filter x 1 3 1x162x2 JIM Battery x 2 Bioenzyme filter x 1 Drain nipple x 1 The part marked with asterisk is packaged with the Others Name outdoor unit Owner s manual Installation manual This model is not equipped with an extension drain hose Option For the extension drain hose use an optionally avai
24. FILE NO SVM 04013 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold OUTDOOR unit Refrigerant cylinder Electronic balance R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composition of the charged refrigerant changes and the characteristics of the equipment varies Cylinder without siphon Gauge manifold OUTDOOR unit Refrigerant cylinder Electronic balance Siphon Fig 2 4 2 2 5 Brazing of Pipes 2 5 1 Materials for brazing 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability 2 Phosphor bronze brazing filler D Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas leakage Therefore use any other type of brazing filler at a hot spring resort etc and coa
25. VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WARNING Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equipment is properly earthed Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your TOSHIBA dealer immediately Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully for possible damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where
26. block and replace indoor P C board MIT Operation command signal Operation Flashes when If return serial signal does not stop LI I is not sent to outdoor side continues trouble is between indoor terminal block detected on and replace inverter P C board operation If signal stops between indoor command signal terminal block and 3 replace and normal status indoor P C board when signal is reset 60 FILE NO SVM 04013 Block distinction Operation of diagnosis function Judgment and action Check Block Check Cause of operation Air conditioner Remarks code code status rq 1 Ondoor 14 Inverter over current All off Displayed when Even if trying operation again all LII PC I 1 protective circuit operates error is detected operations stop immediately board Short time Replace P C board 12 Position detect circuit error All off Displayed when 1 Even if connecting lead wire of ILI or short circuit between error is detected compressor is removed position windings of compressor detect circuit error occurred Replace P C board 2 Measure resistance between wires of compressor and perform short circuit Replace compressor 1 Current detect circuit error All off Displayed when Even if trying operation again all L I error is detected operations stop immediately Replace P C board 171 Bein
27. change the check code backward If there is a fault the indoor unit will beep for 10 seconds Pi Pi Pi Note the check code on the display of the remote control e 2 digits alphanumeric will be indicated on the display All lamps on the indoor unit will flash 5 times per 1 sec Push CLR button After service finish for clear service code in memory e 7F is indicated on the display of the remote control Push START STOP button to release the service mode e The display of the remote control returns to as it was before service mode was engaged Fig 10 4 1 59 FILE NO SVM 04013 10 4 2 Caution at servicing 1 After servicing push the START STOP button to return to the normal mode 2 After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory Table 10 4 1 Block distinction Operation of diagnosis function Check Block Check Cause of operation Air Conditioner Remarks D che action code code status Ni Indoor Short circuit or disconnec Operation Displayed when 1 Check the room temp sensor List PC tion of the room continues error is detected 2 When the room temp sensor is board temperature sensor normal check P C
28. drainage from the Hook Push unit unhook Improper drainage can result in dew dropping Fig 9 2 17 This air conditioner has the structure designed to drain water collected from dew which forms on the back of e For detaching the indoor unit from the installation the indoor unit to the drain pan plate pull the indoor unit toward you while pushing Therefore do not store the power cord and other parts its bottom up at the specified parts at a height above the drain guide Wall Drain guide Q Space for pipes Push Push lt Flg 9 2 18 Fig 9 2 21 9 2 7 Drainage 1 Run the drain hose sloped downwards NOTE e Hole should be made at a slight downward slant on the outdoor side Do not form the Do not rise the drain hose into drain hose a wavy shape 7 7 7 p em X LX Ux x Vo gU FT SED Due M LH Do not put Do not put the drain the drain hose end hose end in into water the drainage ditch Fig 9 2 19 51 FILE NO SVM 04013 9 3 Outdoor Unit 9 3 2 Refrigerant piping connection 9 3 1 Installation place lt Flaring gt e Aplace which provides the spaces around the 1 Cutthe pipe with a pipe cutter outdoor unit as shown in the left diagram A place which can bear the weight of the outdoor Q X os X nou X unit and does not allow an increase in noise level TK 90 ay 9 TE and vibration g Ef p A place whe
29. normal YES Fan motor is normal Outdoor P C board error Fan motor error NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor _75 FILE NO SVM 04013 11 HOW TO REPLACE THE MAIN PARTS 11 1 Indoor Unit Part name Procedures Remarks Front panel How to remove the front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Pull the air inlet grille toward you to open it and remove the air inlet grille Then remove the 4 screws fixing the front panel 3 Open the horizontal louver and then remove the front panel from the back body by pulling it toward you How to mount the front panel Mount the front panel in position and make sure all hooks are locked Electrical part How to remove the electrical part 1 Remove the front panel with the procedure 1 2 Remove the screw holding the electrical part cover 3 Remove the drain guide 4 Disconnect the connector 6P for the fan motor and the connector 5P for the louver motor from the P C board assembly 5 Pull out the TC sensor from the sensor holder 6 Remove each screw for the ground wire the N Drain guide TCS electrical part box and the LED unit Then R remove the LED unit and the electrical part box from the
30. or dust etc the tightening torque comply with values designated by manufacturers Table 2 2 7 b Correctly align the processed flare surface with shows reference values the union axis Note When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur Table 2 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque Nominal Outer diameter Tightening torque wrenches available on the market diameter mm N m kgf m N m kgf m 14 to 18 140 to 180 33 to 42 330 to 420 16 160 18 180 50 to 62 500 to 620 63 to 77 630 to 770 FILE NO SVM 04013 2 3 Tools 2 3 1 Required tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 212 70 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as gene
31. path U bent Thermistor themometer 2 Connecting piping condition 5m _23 7 1 Indoor Heat Exchanger Sensor Unit Temperature Sensor Infrared Rays Signal Receiver Infrared Rays 36 7KHz 1 Power Supply Remote Circuit Control 1 Noise Filter EET E From Outdoor Unit REMOTE CONTROL FILE NO SVM 04013 7 CONTROL BLOCK DIAGRAM Functions e Louver Control 3 minute Delay at Restart for Compressor Motor Revolution Control Initiallizing Circuit Processing Clock Frequency Oscillator Circuit Temperature Processing Timer Serial Signal Communication Serial Signal Transmitter Receiver Louver ON OFF Signal Serial Signal Communication Infrared Rays Remote Control Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT FAN ONLY Temperature Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver Auto Swing Louver Direction Setting EG o Hi power Filter Reset l N l Operation Display Timer Display Filter Sign Display PRE DEF Sign Display Indoor Fan Motor Louver Motor Louver Motor FILE NO SVM 04013 7 2 Outdoor Unit Inverter Assembly 10SS91dW09 HUN O4JUOD OIN NOW 9A A BunleInpoN SNd ANd OV 20 Josues JeueAu u uno 19A 10 0W ue4 ov 20 Josues JoopinO J l AU jueuno 18AO JOSU S jue
32. power supply breaker 2 When removing the P C board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connec tors on the P C board hold the whole housing Do not pull at the lead wire Check winding resistance between phases of compressor and resistance between outdoor frames by using a tester e Is not grounded e Is not short circuited between windings e Winding is not opened OK if 10MQ or more gt OK if 0 519 0 570 Check by a digital tester Remove connector CN300 of the outdoor fan motor turn on the power breaker and perform the operation Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped lt Output check of fan motor position detect signal gt While connecting connector 5P CN301 for position detection using a tester measure voltage between 6 Between 5 V a One or two of three voltages should be 5 V and others should be OV When all are OV or 5 V itis not accepted b When rotating the fan slowly with hands the voltage between pins should move from OV to 5 V Check it with an analog tester 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or this P C board 2 The P C board consists of the following 2 parts a Main P C boa
33. the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote control and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation command from the indoor unit side and controls the outdoor fan and the pulse modulating valve P M V Besides detecting revolution position of the compressor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions e Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor e Temperature setting of the indoor heat exchanger by using heat exchanger sensor TC sensor Prevent freezing control Louver motor
34. to operate at this time push TEMPORARY TEMPORARY button button once more or use the remote control to turn it on e While this function is being set if the unit is in e While the filter check lamp is on the operation the orange lamp is on TEMPORARY button has the function of filter e This function can not be set if the timer operation reset button has been selected e When the unit is turned on by this function the louver will not swing even though it was swinging automatically before shutting down 36 FILE NO SVM 04013 8 4 2 How to cancel auto restart function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote control after the main power supply is turned off e When the system is on standby Not operating Operation Push TEMPORARY button for more than three seconds V Box TEMPORARY button e When the system is operating Operation Push TEMPORARY button for more than three seconds TEMPORARY button Motions The unit is on standby Y The unit starts to operate The orange lamp is on After approx three seconds The unit beeps three times and continues to operate The lamp changes from orange to orange If the unit is not required to operate at this time push TEMPORARY button once more or use the
35. wire in two then strip the covering part Pass the stripped part through the thermal constringent tube Cut the old sensor 100 mm length on the connector side and recycle that connector Tear the lead wire in two on the connector side and strip and covering part Twist the leads on the connector and sensor sides and solder them Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again NOTES 1 Store the joint part of the sensor and the connector in the electric parts box 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube FILE NO SVM 04013 Remarks Cutting here Thermal 100 sensor part Connector ET Cutting here Y E Thermal constringent tube Cutting here 100 lt Winding the color tape Part name Remarks Sensor Length 3 m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal
36. 10 3 1 excute the self diagnosis by the remote control When the remote control is set to the service mode the indoor control diagnoses the operation condition and indicate the information of the self diagnosis on the display of the remote control with the check codes If a fault is detected all lamps on the indoor unit will flashes at 5Hz and it will beep for 10 seconds Pi Pi Pi The timer lamp usually flashes 5Hz during self diagnosis 2 10 4 1 How to use remote control in service mode O O O RESET CLOCK CHECK AAUTOA xx 9 973 ri T HiPOWER CHK are r gt t A PRESET Fan move am SWING Hi H Power Xi Q O Oxy RESET CLOCK CHECK Alphanumeric characters are used for the check code 5 is 5 6 is 6 is A 6 is B i C dis D rm m DD 2 FILE NO SVM 04013 1 Push CHECK button with a tip of pencil to set the remote control to the service mode e 00 is indicated on the display of the remote control e The timer lamp of the indoor unit flashes continuously 5 times per 1 sec Push TIMER A button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote control will change as follows po eae oe Uer e Check the unit with all 35 check codes 00 to 22 as shown in Table 10 4 1 e Push TIMER Y button to
37. 12 70 2 0 to 2 5 e A place where high frequency waves are likely to be generated as from audio equipment lt Tightening connection welders and medical equipment P Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Half union t Flare nut Externally Internally threaded side Z threaded side Use a wrench to secure Use a torque wrench to tighten Fig 9 3 4 Do not apply excess torque Otherwise the nut may crack depending on the conditions _ 52 FILE NO SVM 04013 Unit N m 9 3 3 Evacuating Outer dia of copper pipe Tightening torque 26 35 mm 16 to 18 1 6 to 1 8 kgf m 29 52 mm 30 to 42 3 0 to 4 2 kgf m 212 70 mm 50 to 62 5 0 to 6 2 kgf m Tightening torque of flare pipe connections The operating pressure of R410A is higher than that of R22 Approx 1 6 times It is therefore necessary to firmly tighten the flare pipe connecting sections which connect the indoor and outdoor units up to the specified tightening torque Incorrect connections may cause not only a gas leakage but also damage to the refrigerant cycle Flare at indoor unit side Flare at outdoor unit side Fig 9 3 5 Shaping pipes 1 How to shape the pipes Shape the pipes along the incused line on the outdoor unit 2 How
38. 13 224 Electric Parts Assembly 230 Description Cross Flow Fan Band Motor L Motor Fan ICF 340 30 2 DC 340V Band Motor R Plate Installation Remote Control WH H2UE Holder Remote Control Owner s Manual Owner s Manual Owner s Manual Owner s Manual Owner s Manual Owner s Manual Terminal Cover Cord Motor Louver Cord Motor Fan Holder Pipe Mark FILE NO SVM 04013 12 3 Outdoor Unit RAS 13UAV E3 19 CAPILLARY TUBE 1 5 DIA Location i No Description r ocati n Description 43T00377 Cabinet Front Assy 43T47008 Capillary tube 1 5 Dia 43T00381 Cabinet Back Assy 43T46326 Body PMV 43T42304 Base Assy 43T63305 Coil PMV 43T00380 Cabinet Upper Assy 43T58303 Reactor 43T09318 Guard Fan 43T20307 Fan Propeller 43T52310 Cover Packed Valve 43T21334 Motor Fan 43T62311 Cover Wiring Assy 43T47001 Nut Flange 43T41336 Compressor 42147325 Bolt Compressor M6 43T43355 Condenser Assy 43T49308 Cushion Rubber 43T46308 Valve Packed 6 35 Dia 43T46319 4 Way Valve 43T46011 Valve Packed 9 52 Dia 43T63304 4 Way Valve Coil Assembly 43T47331 Bonnet 6 35 Dia 43T63306 Holder Sensor 43T47332 Bonnet 9 52 Dia 43T79305 Nipple Drain 43T63303 Fixing Plate Valve 89 12 4 Outdoor Unit RAS 16UAV E Location No 43T00377 43T00381 43T42304 43T00380 43T09318 43T52310 43T62311 43T41359 43T43354
39. 3 Part name Procedures Remarks Inverter 1 Perform work of item 1 of Inverter cover assembly 2 Remove screw ST1T 24 x 10 2 pc of the P C board upper part of the front cabinet Soldered surface e lf removing the inverter cover in this condition P C board can be checked e f there is no space in the upper part of the upper cabinet perform work of 2 Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 100040W or plug of soldering iron to terminals of the C14 printed CAUTION HIGH Discharging pasi n eodein VOLTAGE is attached electrolytic capacitor Discharging period iron D 500 uF on P C board 10 seconds or more Be careful to discharge the capacitor D 1 because the electrolytic capacitor cannot naturally discharge and voltage remains A d according to trouble type in some cases NOTE This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between the polarity with screw driver etc for discharging 4 Remove screw ST1T 4 x 102 2 pc fixing the main body and the inverter box 5 Remove various lead wires from the holder at upper part of the inverter box and wiring holder at right side of the terminal block 6 Remove the lead wire from the bundled par
40. 3 to diagnose the details of troubles _ 57 FILE NO SVM 04013 10 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 10 3 1 ence Block display Description for self diagnosis OPERATION Green Flashing display 1 Hz Power failure when power is ON Indoor indication lamp flashes OPERATION Green Which lamp Flashing display 5 Hz does flash Protective circuit operation for indoor P C board OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green PRE DEF Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others PRE DEF Orange including compressor Flashing display 5 Hz NOTES 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote control for servicing _ 58 10 4 Self Diagnosis by Remote Control Check Code 1 If the lamps are indicated as shown B to H in Table
41. 4 FILE NO SVM 04013 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt lnspection procedure gt 1 Remove the front panel Remove 4 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN10 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Useathin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board 6 Blue Measure voltage between 2 GND BLACK 5 Yellow and 3 V line YELLOW of motor connector CN10 while indoor fan motor is rotating 4 White 3 Black 1 Red Replace P C board Replace motor 65 FILE NO SVM 04013 5 Troubleshooting for remote control The unit does not beep at all OPERATION lamp on indoor unit is not indicated Press START STOP button Is transmission mark indicated Press RESET button on remote control Is receiver on with tip of pencil indoor unit exposed to direct sunlight Does indoor unit operate when moving remote control near receiver or indoor uni
42. 98 C or lower the operation is performed with operating motor speed instructed by the serial signal Control 2 B zone Slow up zone of motor speed When TD detect value is 98 C or higher operating motor speed is slowly up Control 3 C zone Keep zone When TD detect value is 105 C or higher operating motor speed is not changed if raising operation speed Control 4 D zone Slow down zone of motor speed When TD detect value is 108 C or higher operating motor speed is slowly down Control 5 E zone Normal down of motor speed When TD detect value is 112 C or higher operating motor speed is down I O1 7 FILE NO SVM 04013 6 Control 6 F zone Operation stop zone If TD detect value exceeds 117 C during operation stop the operation immediately Then restart the operation when TD detect value becomes 105 C or lower Operation stop zone Normal down zone of motor speed Slow down of motor speed Release of motor speed Keep zone Motor speed is not changed 105 98 Normal operation zone Fig 8 2 3 Compressor motor speed control ECO operation control When the ECO button of the remote control is pushed quiet and mild operation is performed by restraining air flow and operating motor speed 1 Indoor air flow is controlled between SUL and L 2 The set temperature increases 0 5 C per 1 hour up to 2 C starting from the set temperature when ECO mode
43. C sensor FILE NO SVM 04013 Checking procedure Disconnect the connector and measure the resistance value with tester Normal temp Temperature Sensor 207 126 100 TA TC kQ 79 45 Remote control To item of How to judge whether remote control is good or bad of the Judgment of trouble by symptom Louver motor MP24Z Measure the resistance value of each winding coil by using the tester Under normal temp 25 C Position Resistance value 1to2 1to3 1to4 1to5 380 40Q Indoor fan motor 10 8 4 Outdoor unit Part name Compressor Model DA91A1F 45F For 13UAV E3 Since judgment of DC motor is difficult on the single motor refer to 10 5 1 3 Checking procedure Measure the resistance value of each winding by using the tester Red Position Resistance value Red White White Black Black Red 0 51 to 0 570 Under 20 C Compressor Model DA130A1F 24F For 16UAV E Measure the resistance value of each winding by using the tester Red Position Resistance value Red White White Black 0 590 Black Red White Under 20 C Outdoor fan motor Model ICF 140 43 1 Measure the resistance value of winding by using the tester Red Position Yellow Pink Resistance value 5 to 20k 1 Yellow 4 Pink 5 Gray White Blac
44. Fan Only or On Timer operation Check power supply voltage 1 Between CN23 and CN24 DC 15 60 V Heating and cooling model ICOS3 and ICO4 are defective Shorten the line of the restart delay timer and start unit Check whether or not all lamps OPERATION TIMER PRE DEF FILTER and Hi POWER are indicated for 3 seconds and they return to normal 3 seconds later The lamps are defective or the housing assembly CN13 is defective Push START STOP button once to start the unit e Shorten the time of the restart delay timer e Set the operation mode to COOL e Set the fan speed level to AUTO e Set the preset temperature much lower than the room temperature The unit compressor operates continuously in the above condition 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes 1 2 The temperature of the indoor heat exchanger is extremely low The connection of the heat exchanger sensor is loose The connector is disconnected CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 10 4 1 The main P C board is defective If the above condition No 5 still continues start the unit in the following condition e Set the operation mode to HEAT e Set the preset temperature much higher than room temperature Check whether or not the compressor operates Check whether or not the
45. NOTE BD Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating Note e The maximum length of the pipe for this air conditioner is 15 m The additional charging of refrigerant is unnecessary because this air conditioner is designed with charge less specification 21 RAS 16UKV E RAS 16UAV E T1 INDOOR UNIT Indoor heat exchanger FILE NO SVM 04013 Temp measurement E sala Sross flow fan Bs e o oe 2g P Pressure measurement Deoxidized copper pipe 38 Max 15m Gauge attaching port Outer dia 6 35 mm i Vacuum pump connecting port Thickness 0 8 mm i og a I Sectional shape lt S Deoxidized copper pipe ot heat insulator Outer dia 12 7 mm Thickness 0 8 mm Y n Vn gt v 4 way valve CHV 0213 Compressor DA130A1F 24F NE E TS Outdoor heat exchanger Split capillary poe AES x 2002 resp 215 x 2008 Temp measurement Propeller fan OUTDOOR UNIT Note Strainer i asa Al NOTE Pulse modulating valve at liquid side SEV16RC3 Refrigerant amount 0 95 ko iP Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating e The maximum length of the pipe for this a
46. OPERA TION lamp flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat exchanger sensor short circuited CNO1 The heat exchanger sensor and the P C board are defective Refer to Table 10 4 1 The main PC board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition e Set the operation mode to FAN e Set the fan speed level to HIGH The unit compressor operates continuously in the above condition Check it is impossible to detect the voltage DC 15 V between 3 and 4 of the motor terminals The motor does not operate But it is possible to receive the signal from the remote control The motor rotates but vibrates strongly The indoor fan motor is defective Protected operation of P C board The connection or the motor connector is loose The P C board is defective 10 8 2 P C board layout FILE NO SVM 04013 Bottom View For the Top View refer to page 65 1 Sensor characteristic table Resistance value KQ 20 30 40 50 Temperature C _72 Discharge temp sensor Room temp sensor Heat exchanger temp sensor Outdoor temp sensor Outdoor heat exchanger temp sensor Suction temp sensor 10 8 3 Indoor unit Other parts Part name Room temp TA sensor Heat exchanger T
47. R 4 Pull out the fan motor Connector cover Pull out the lead wires of the fan motor from this hole Reference line When mouting the fan motor put the R end of the connector cover this reference line FILE NO SVM 04013 Remarks 2 Screws Mounting the fan motor as shown in figure below Reference Part name Cross flow fan Base bearing Procedures 1 Remove the front panel electrical part horizontal louver and the heat exchanger with the procedure 4 2 Remove 2 screws of the band motor L and other 2 screws of the band motor R and then remove the cross flow fan 3 Loosen the set screw of the cross flow fan then disconnect the fan and the fan motor Notice For position of the fan motor connector and drawing out of the lead cables refer to the procedure 5 Fix the cross flow fan with the set screw at the position where the gap between the back body and the right surface of the cross flow fan is 4 5 mm 1 Remove the front panel electrical part horizontal louver heat exchanger and the cross flow fan with the procedure G and 2 Remove the 2 screws fixing the base bearing 3 Remove the bearing from the base bearing If the housing protrudes from the base bearing put the housing in position and attach the bearing to the base bearing FILE NO SVM 04013 Remarks ial 2 Screws L 11 2 Microcomputer Part name Co
48. RTER Q FUSE Pot XF E T3 15A REACTOR DB01 P13 P19 Q300 PuR BRW IP20 piat FAN MOTER M Bu FM EU N W BV 3 3 ed Q BW ENE ee Fi Re goan E oem ES BY BZ a200 Posta QE ya UM 7 9 rel RED M YEA N IGBT Insulated Gate Bipolar Transistor P221 WHI P CM BLU JP18 P23 BLK oom y jPt7 MMMM ls UM COMPRESSOR 47 4 3 Outdoor Unit FILE NO SVM 04013 RAS 16UAV E PULSE MODULATING VALVE ITS L for Y rel3 1 2 o ilts 2i EDE VALVE PMV FERE V VAN VG NY Ni ae SI WEN NUN uN VAN S gt O m rL O THERMOSTAT 1T2 1f X3 GAY X3 arn 77 7 axes FOR EN EN COMPRESSOR A24 LA Va VAN lt A enso 22 1X2 X3 1X2X3 1f X3 BLK 1 2X3 k aota i anta A NINE IN adds ANA d NINE ZZ CN601 CN602 CN603 CN701 PO6 CN70 VINN IP07 I emit us CTOR SUPPLY re PEN F01 220 240V FA ne 50 60Hz t AA FUSE ORN P09 T25A Lo a INDOOR El POEWR RELAY UNIT TI G C12 C13 C14 HI E lo oj a mui qum 56 ELECTRONIC m pr o0 82 STARTER Q FUSE prot 1242 Ew r ear T3 15A REACTOR P1 DB01 MA j M P19 asc S PaO P14 FAN MOTER 3 _ TS eu FM EU
49. TOSHIBA FILE NO SVM 04013 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS 13UKV E3 RAS 13UAV E3 RAS 16UKV E RAS 16UAV E FILE NO SVM 04013 CONTENTS SPECIFICATIONS 1 1 Specifications 1 2 Operation Characteristic Curve 1 3 Capacity Variation Ratio According to Temperature REFRIGERANT R410A 2 1 Safety During Installation Servicing 2 2 Refrigerant Piping Installation 2 3 Tools 2 4 Recharging of Refrigerant 2 5 Brazing of Pipes CONSTRUCTION VIEWS 3 1 Indoor Unit 3 2 Outdoor Unit WIRING DIAGRAM 4 1 Indoor Unit 4 2 Outdoor Unit RAS 13UAV E3 4 3 Outdoor Unit RAS 16UAV E SPECIFICATION OF ELECTRICAL PARTS 5 1 Indoor Unit 5 2 Outdoor Unit RAS 13UAV E3 Outdoor Unit RAS 16UAV E REFRIGERANT CYCLE DIAGRAM 6 1 Refrigerant Cycle Diagram 6 2 Operation Data CONTROL BLOCK DIAGRAM 7 1 Indoor Unit 7 2 Outdoor Unit Inverter Assembly OPERATION DESCRIPTION 8 1 Outlined of Air Conditioner Control 8 2 Description of Operation Circuit 8 3 Temporary Operation 8 4 Auto Restart Function 8 5 Filter Check Lamp 8 6 Remote Control and its Functions 8 7 Hi POWER Mode Hi POWER button on the remote control is pushed INSTALLATION PROCEDURE 9 1 Safety Cautions 9 2 INDOOR UNIT 9 3 OUTDOOR UNIT 10 11 12 HOW TO DIAGNOSE THE TROUBLE 10 1 First Confirmation 10 2 Primary Judgment 10 3 Ju
50. an motor is defective Replace motor e Be sure to disconnect the motor connector CN10 after shut off the power supply or it will be a cause of damage of the motor _ 62 FILE NO SVM 04013 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does operation lamp flash Is wired connectly to white and black lead wires of terminal block YES To item of Power supply is not turned on 63 FILE NO SVM 04013 9 Only indoor fan motor does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage 200 240 V between 1 and 2 on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 5 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor YES continue to operate Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 1V or more between and DO of motor connector CN10 YES NO Peplace indoor fan motor Is it possible to detect DC 310 340 V between and of motor connector CN10 NO Does indoor erate Turn off indoor unit and
51. ard connection s piping it is necessary to change the drain hose and drain cap Terminal block Terminal cover e How to remove the Drains Cap Screw Connectin 9 Clip drain cap by needle nose pliers and pull out cable m s bou Das li ai jT Ex Cm 1 28 E Earth line f e or WS Fig 9 2 9 lt How to install the Drain Hose gt Somm a Earth line Firmly insert drain hose connecting part until hitting on me a heat insulator Heat insulator Y 50 mm Drain hose NOTE Fig 9 2 10 e Wire type More than HO7RN F or 245 IEC66 1 0 mm or more Fig 9 2 7 Stripping length of connecting cable 49 lt How to fix the Drains Cap gt 1 Insert hexagonal wrench 4 mm in a center head Fig 9 2 11 2 Firmly insert drains cap Do not apply lubricating oil No gap A refrigerant machine oil when e 4 inserting the drain cap Application causes deterioration and drain leakage of the plug Insert a hexagon wrench 4 mm Fig 9 2 12 Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping e After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 9 2 13 n case of bottom right
52. at a rupture of personal injury may be caused b After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 2 2 Refrigerant Piping Installation 2 2 1 Piping materials and joints used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suit able for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminant
53. ation 10 1 1 Confirmation of power supply Confirm that the power breaker operates ON normally 10 1 2 Confirmation of power voltage Confirm that power voltage is AC 220 240 V 10 If power voltage is not in this range the unit may not operate normally 56 FILE NO SVM 04013 10 1 3 Operation which is not a trouble Program operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for control ling and maintaining of air conditioner Operation of air conditioner When power breaker is turned ON the operation lamp Green of the indoor unit flashes Table 10 1 1 Description The OPERATION lamp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select
54. ch allows the unit to restart The power supply to the unit must be on the function operating with the set operating conditions in the event will not set if the power is off of power supply being accidentally shut down The Push the TEMPORARY button located in the center operation will resume without warning three minutes of the front panel continuously for three seconds after power is restored This function is not setto work The unit receives the signal and beeps three times when shipped from the factory Therefore it is The unit then restarts operating automatically in the necessary to set it to work event of power supply being accidentally shut down e When the unit is on standby Not operating Operation Motions Push TEMPORARY button for more The unit is on standby than three seconds j The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate green to orange TEMPORARY button If the unit is not required to operate at this time push TEMPORARY button once more or use the remote control to turn it off e When the unit is in operation Operation Motions Push TEMPORARY button for more The unit is in operation The green lamp is on than three seconds j The unit stops operating The green lamp is turned off After approx three seconds The unit beeps three times If the unit is required
55. control eo OG Infrared signal emitter Transmits a signal to the indoor unit START STOP button Push the button to start operation A receiving beep is heard Push the button again to stop operation A receiving beep is heard If no receiving sound is heard from the indoor unit push the button twice Mode select button MODE Push this button to select a mode Each time you press the button a mode is selected in a sequence that goes from A Auto changeover control Cool Dry Heat Fan only and back to A A receiving beep is heard Temperature button v j 1 The set temperature is increased up to 30 C Y The set temperature is dropped down to 17 C A receiving beep is heard Fan speed button FAN Push this button to select fan speed When you select AUTO the fan speed is automatically adjusted according to the room temperature You can also manually select the desired fan speed from among five settings LOW LOW MED must MED ma HIGH m A receiving beep is heard Auto louver button SWING Push this button to swing the louver A receiving beep is heard Push the FIX button to stop the louver swinging A receiving beep is heard Set louver button FIX Push this button to adjust the air flow direction A receiving beep is heard Off timer button OFF Push this button to set the OFF timer O
56. control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit e Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor controller the outdoor unit performs its role Operations followed to judgment of serial signal from indoor side e Compressor operation control e Operation control of outdoor fan motor e P M V control e Detection of inverter input current and current release operation e Over current detection and prevention operation to IGBT module Compressor stop function e Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by trouble of the signal system e Transferring of operation information Serial signal from outdoor unit to indoor unit e Detection of outdoor temperature and operation revolution control e Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan 26 3 Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit contro
57. d the equip 2 ment is reactivated move the valve once until it hits on the stopper for positioning of the valve In this case Table 8 1 2 ticktack sound may be heard RAS 13UKV E3 Operation 8 1 6 Louver control mode Motor speed Air flow rate 3 h 1 Vertical air flow louvers rpm m h Positions of vertical air flow louvers are automatically controlled according to the operation status AUTO A COOL zx DRY 5 HEAT amp and FAN ONLY Besides positions of vertical air flow louvers can be arbitrarily set by pushing the FIX button 2 Swing If the SWING button is pressed during running operation vertical air flow louvers start swinging When the FIX button is pushed swinging stops RAS 16UKV E Operation mode Motor speed Air flow rate rpm m h 28 8 1 8 Outdoor fan control DC fan motor FILE NO SVM 04013 Although the outdoor fan motor drives the outdoor fan by non step variable system of the revolution speed the revolution speed is restricted to three steps on the convenience of controlling If a strong wind is lashing outside of the room the operation may be continued as the outdoor fan stops in order to protect the outdoor fan motor If a fan lock occurred due to entering of foreign matter the air conditioner stops and an alarm is displayed COOL DRY gt Model name Table 8 1 3 RAS 13UAV E3 RAS 16UAV E
58. dgment by Flashing LED of Indoor Unit 10 4 Self Diagnosis by Remote Control Check Code 10 5 Judgment of Trouble by Every Symptom 10 6 Check Code 1C Miswiring in indoor outdoor units and 1E 10 7 How to Diagnose Trouble in Outdoor Unit 10 8 How to Check Simply the Main Parts 10 9 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad HOW TO REPLACE THE MAIN PARTS 11 1 Indoor Unit 11 2 Microcomputer 11 3 Outdoor Unit EXPLODED VIEWS AND PARTS LIST 12 1 Indoor Unit E Parts Assy 12 2 Indoor Unit 12 3 Outdoor Unit RAS 13UAV E3 12 4 Outdoor Unit RAS 16UAV E 12 5 Outdoor Unit E Parts Assy FILE NO SVM 04013 FILE NO SVM 04013 1 SPECIFICATIONS 1 1 Specifications Unit model Indoor RAS 13UKV E3 Outdoor RAS 13UAV E3 Current limited Cooling capacity 3 5 Cooling capacity range 0 9 4 0 Heating capacity 4 2 Heating capacity range 0 9 6 0 Power supply 220 240V 1Ph 50 60Hz Electric characteristics Operation mode Cooling Heating Running current 0 15 0 15 Power consumption 30 30 Power factor 87 87 Outdoor Operation mode Cooling Heating Running current 4 84 5 16 Power consumption 1040 1100 Power factor 93 94 Starting current 5 31 COP Cooling Heating 3 27 3 72 Operation noise Indoor High Cooling Heating 39 39 Medium Cooling H
59. e e The location of the remote control should be determined as shown below TS view QN a Mounting the installation plate Anchor bolt holes Side view i i 2 m or more from floor gt a T Cm d A Hook t Indoor unit 3 S i Installation s Hook Pipe i l E Pipe hole Thr ad hole Plate Reception 1 Mounting screw Reception eun range H Remote Indoor unit Weight range control Axial distance Fig 9 2 3 Fig 9 2 1 47 lt When the installation plate is directly mounted on the wall gt 1 Securely fit the installation plate onto the wall by FILE NO SVM 04013 9 2 3 Electrical work The supply voltage must be the same as the rated voltage of the air conditioner screwing it in the upper and lower parts to hookup 2 Prepare the power source for exclusive use with the the indoor unit air conditioner 2 To mount the installation plate on a concrete wall with anchor bolts utilize the anchor bolt holes as NOTE illustrated in the above figure 3 Install the installation plate horizontally in the wall Wire type More than HO7RN F or 245 IEC66 1 0 mm or more When installing the installation plate with a mounting screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage Installation plate
60. e the operation signal sent from the indoor unit and also controls revolution speed of the compressor motor and status that temperature of the outdoor heat exchanger detected by the outdoor heat exchanger is 20 C or lower continued for 2 minutes or more b The counted time is 28 minutes or more and status that temperature of the outdoor heat exchanger detected by the outdoor heat exchanger is 7 C or lower and temperature lowered by 2 5 C than the minimum value of the outdoor heat exchanger during 10 to 15 minutes count time continued for 2 minutes or more c The counted time is 34 minutes or more and status that temperature of the outdoor heat exchanger detected by the outdoor heat exchanger is 5 C or lower and temperature lowered by 3 0 C than the The power coupler IC20 for 4 way valve is turned on and turned off in defrost operation 1 Heating capacity control Calculate the difference between temperature detected by room temp sensor every minute and the set temp set on Temp indicator and variation amount of room temp Then obtain the correction amount of the com mand signal and correct the current frequency command signal 2 High temp release control If temperature of the indoor heat exchanger detected by the indoor heat exchanger sensor is 3 55 C or higher compressor motor speed is gradually lowered to prevent over temp rising of compressed pressure If temperature becomes below 48
61. e A place that allows easy installation of the piping to the outdoor unit B e A place which allows the front panel to be opened e The indoor unit shall be installed as top of the indoor unit comes to at least 2 m height ON Pipe hole Also it must be avoided to put anything on the top of cue el the indoor unit 990 09 E i The center of the pipe CAUTION hole is above the arrow 100mm e Direct sunlight to the indoor unit s wireless Fig 9 2 2 receiver should be avoided E 7 The microprocessor in the indoor unit should not 1 After determining the pipe hole position on the be too close to RF noise sources mounting plate drill the pipe hole 965 mm at For details see the owner s manual a slight downward slant to the outdoor side Remote controller NOTE e When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately A place where there are no obstacles such as a curtain that may block the signal from the indoor unit e Do not install the remote control in a place exposed to direct sunlight or close to a heating source such as a stove For installation of the indoor unit use the paper pattern e Keep the remote control at least 1 m apart from the on the back nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interferenc
62. e air temp sensor TO sensor Inverter attached 10 kQ 25 C Heat exchanger temp sensor TE sensor Terminal block 6P JXO 6B 30A 600 VAC For protection of switching power source 3 15A AC 250 V Inverter attached 10 kQ 25 C Fuse For protection of inverter input overcurrent 25A AC 250 V Electrolytic capacitor LLQ2G501KHUATF 400LISN500K35F 500uF DC 400 V x 3 pieces Transistor module 6MBI25GS 060 01 or 6MBI25GS 060 01A 25A 600 V Compressor DA91A1F 45F 3 phases 4 poles 750 W Diode 25A 600 V Convertor module MP 7003 IG BT 40 A 600V 19 5 3 Outdoor Unit RAS 16UAV E Parts name SC coil Model name ADR2516 0R6TB FILE NO SVM 04013 20A 150uH L03 Noise filter ADR2520 R15TB 15A 0 6mH DC DC transformer SWT 78 Primary side DC280V Secondary side 7 5 V x 1 13 V x 1 26 5V x 3 16V x1 15V x1 Reactor CH 57 Z T L 10mH 16A x 2 Outside fan motor ICF 140 43 1 DC140 V 43 W Suction temp sensor TS sensor Inverter attached 10 kQ 25 C Discharge temp sensor TD sensor Inverter attached 62 kQ 20 C Outside air temp sensor TO sensor Inverter attached 10 kQ 25 C Heat exchanger temp sensor TE sensor Inverter attached 10 kQ 25 C Terminal block 6P JXO 6B 30A 600 VAC Fuse For protection of switching power source 3 15A AC 250 V
63. e vacuum pump s power switch Then evacuating the refrigerant in the cycle S When the compound gauges pointer has indi cated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Keep the status as it is for 1 to 2 minutes and ensure that the compound gauges pointer does not return Set the refrigerant cylinder to the electronic balance connect the connecting hose to the cylinder and the connecting port of the electronic balance and charge liquid refrigerant For refrigerant charging see the figure below D Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 8 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury INDOOR unit uz Refrigerant cylinder With siphon pipe Open Close valve for charging C Electronic balance for refrigerant charging Liquid side OUTDOOR unit Service port Fig 2 4 1 Configuration of refrigerant charging 411
64. e when signal is check Gas leak reset If return serial signal does not 2 Instantaneous power stop between indoor terminal failure block and 8 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board 4 Compressor does not All off Displayed when 1 Trouble on compressor I rotate Current protective error is detected 2 Trouble on wiring of compressor circuit does not operate Missed phase when a specified time passed after compressor had been activated IZ Discharge temp exceeded All off Displayed when 1 Check discharge temp sensor TD I 117 C error is detected 2 Degassing 3 Trouble on P M V 7 Break down of compressor All off Displayed when 1 Check power voltage 220 240 V L error is detected 10 2 Overload operation of refrigeration cycle Check installation condition Short circuit of outdoor diffuser 1 4 Four way valve inverse error Operation 1 Check 4 way valve operation LUI TC sensor value lowered continues during heating operation 61 10 5 Judgment of Trouble by Every Symptom 10 5 1 Indoor unit Including remote contro 1 Power is not turned on Does not operate entirely lt Primary check gt 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly 4 Is the fuse F01 blown Tur
65. eating 33 34 Low Cooling Heating 26 28 Outdoor Cooling Heating 48 50 Indoor unit Unit model RAS 13UKV E3 Dimension Height 275 Width 790 Depth 208 Net weight 10 Fan motor output 30 Air flow rate Cooling Heating 530 620 Outdoor unit Unit model RAS 13UAV E3 Dimension Height 550 Width 780 Depth 270 Net weight 37 Compressor Motor output 750 Type Twin rotary type with DC inverter variable speed control Model DA91A1F 45F Fan motor output 43 Air flow rate Cooling Heating 2410 2410 Piping connection Type Flare connection Indoor unit Liquid side 26 35 Gas side 29 52 Outdoor unit Liquid side 26 35 Gas side 29 52 Maximum length Per unit 15 Maximum chargeless length 15 Maximum height difference 10 Refrigerant Name of refrigerant R410A Weight 0 8 Wiring connection Power supply 3 Wires includes earth Outdoor Interconnection 4 Wires includes earth Usable temperature range Indoor Cooling Heating 21 32 0 28 Outdoor Cooling Heating 10 43 10 24 Accessory Indoor unit Installation plate Wireless remote control Remote controller holder Flat head wood screw Bioenzyme filter Zeolite filter
66. empera ture and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the differ ence between them gets smaller the horizontal louver returns automatically 4 The Hi POWER mode can not be set in Dry or Fan only operation 40 FILE NO SVM 04013 FILE NO SVM 04013 9 INSTALLATION PROCEDURE 9 1 Safety Cautions For general public use Power supply cord of parts of appliance for outdoor use shall be at least polychloroprene sheathed flexible cord design HO7RN F or cord designation 245 IEC66 1 5 mm or more CAUTION New Refrigerant Air conditioner Installation THIS AIR CONDITIONER USES THE NEW HFC REFRGERANT R410A WHICH DOES NOT DESTROY THE OZONE LAYER R410A refrigerant is apt to be affected by impurity such as water oxidizing membranes and oils because the pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 As well as the adoption of this new refrigerant refrigerating machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating machine oil does not enter into the refrigerating cycle of a new refrigerant air conditioner To avoid mixing refrigerant and refrigerating machine oil the sizes of charging port connecting sections on the main unit are different from those for the conventional refrigerant and different size tools are also required Accordingly special to
67. ence of Auto Restart and Temporary Cooling operation can be set by the TEMPORARY button of the indoor controller TEMPORARY button Fig 8 3 1 Table 8 3 1 TEMPORARY button Control OFF gt ON Temporary Auto operation start After pushing button Auto Restart for 3 seconds control select After pushing button Temporary Cooling for 10 seconds operation start 8 3 1 Temporary auto operation e When the TEMPORARY button is pushed the Auto operation with set temperature fixed at 25 G starts Controlling is same as that of Auto opera tion by the remote controller e When the TEMPORARY button is pushed again the operation stops e During Temporary Auto operation operation by the remote controller is accepted e Using the Auto Restart function the Temporary Auto operation starts when power failure is reset 8 3 2 Temporary cooling operation e When the TEMPORARY operation button keeps pushed for 10 seconds Cooling operation of which compressor motor speed and the indoor fan speed are fixed starts Compressor motor speed 13 30 rps Indoor fan speed Low e When the TEMPORARY operation button is pushed again the operation stops e Auto Restart function is unavailable _ 35 FILE NO SVM 04013 8 4 Auto Restart Function 8 4 1 How to set auto restart function The indoor unit is equipped with an automatic To set the auto restart function proceed as follows restarting function whi
68. for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 265 Use vacuum pump by 5b Pipe bender 10 Hexagon wrench attaching vacuum pump adapter 6 Level vial Opposite side 5 mm 2 Torque wrench For 26 35 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner of Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 10 2 4 Recharging of Refrigerant FILE NO SVM 04013 When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment Connect the charge hose to packed valve service port at the outdoor unit s gas side Connect the charge hose to the vacuum pump adapter Open fully both packed valves at liquid and gas sides Place the handle of the gauge manifold Low in the fully opened position and turn on th
69. g operation from defrost to heating is performed when anyone of the following conditions is satisfied a Temperature of the outdoor heat exchanger rose to 8 C or higher b A status that temperature of the outdoor heat exchanger is 5 C or higher continued for 80 seconds c Defrost operation continued for 15 minutes O In resetting defrost operation the compressor stops for 50 seconds if defrost has started under condition a to c in item1 but the compressor is reset to heating operation keeping operated if defrost has started under condition d in item 1 Louver control When the compressor is turned off by high temp release control the vertical air flow louvers close once and then return to the position of previous time _34 FILE NO SVM 04013 8 2 4 Automatic operation 1 As shown in Fig 8 2 9 the operation mode COOL DRY HEAT is selected according to the Preset temperature and room temperature when the operation has started If room temperature is higher than 1 C of perset temperature Cooling operation is performed If room temperture is within 1 C of perset temperature Fan only operation is performed at UL speed If room temperture is lower than 1 C of perset temperture Heating operation is performed Ta Cool Operation Ts 1 Ts Fan Only Ts 1 Heat Operation Fig 8 2 9 FILE NO SVM 04013 8 3 Temporary Operation e Temporary Auto operation exist
70. g out of place All off Displayed when 1 Check outdoor temp sensors LIZI disconnection or short error is detected TE TS circuit of outdoor temp 2 Check P C board sensor 117 Disconnection or short All off Displayed when 1 Check discharge temp sensor TD I U circuit of discharge temp error is detected 2 Check PC board sensor 1177 Outdoor fan drive system All off Displayed when Position detect error over current IF error error is detected protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor Not Outdoor heat exchanger Operation T 1 Check outdoor heat exchanger displayed LT temp sensor error continues temp sensor TE 2 Check P C board Ondoor V Compressor drive output All off Displayed when When 20 seconds passed after PC IL error Compressor error error is detected startup position detect circuit error board lock missing etc occurred Replace compressor Break down F17 Others 1 1 Return serial signal has Operation Flashes when 1 Repeat Start and Stop with LI I including LT been sent when operation continues trouble is interval of approx 10 to 40 compres started but it is not sent detected on minutes Code is not displayed sor from halfway return serial during operation 1 Compressor thermo signal and Supply gas Check also gas leak operation normal status 2 Unit operates normally during Gas shortag
71. has been received TA C Fig 8 2 4 _31 8 2 2 DRY operation The Remote Control MODE Button is Set to the DRY Position e Once the setting is made the operation mode is memorized in the microcomputer so that the same operation can be effected thereafter simply by pushing START STOP button e Dry operation signal is transmitted to outdoor unit e The Cooling operation giving priority to dehumidifying which restrains the indoor fan speed and compressor motor speed is performed e The indoor fan motor operates as shown in Fig 8 2 5 Fan speed is AUTO only e The outdoor fan motor operates as described in Table 8 1 3 and the compressor motor speed according to the operation command signal sent from the indoor unit Room temp Set temp NOTE 1 Middle motor speed between L and SUL Fig 8 2 5 Setting of air flow 8 2 3 Heating operation Transferring of heat operation signal from indoor unit to outdoor unit starts The indoor fan motor operates by the room temperature when selecting AUTO of FAN as shown in Fig 8 2 6 and operates with a set air flow when selecting LOW to HIGH mmil However to prevent cold draft revolution speed of the fan is restricted by indoor heat exchanger when air flow is AUTO Fig 8 2 7 and starting of FAN Manual FILE NO SVM 04013 Basic control Set 0 LOW temp 0 5 1 1 5 i L 2 2 a Ed ES M Le
72. hat any pipe does not Stick out of the rear plate of the indoor unit e Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc e Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating material C e When bending a pipe carefully do it not to crush it 50 FILE NO SVM 04013 9 2 6 Indoor unit fixing 2 Put water in the drain pan and make sure that the water is drained out of doors When connecting extension drain hose insulate the Hooks connecting part of extension drain hose with shield 2 Swing the indoor unit to right and left to confirm that PpS it is firmly hooked up on the installation plate Shield pipe JE 3 While pressing the indoor unit onto the wall hook it F at the lower part on the installation plate Pull the 7 Extension iain indoor unit toward you to confirm that it is firmly Drain hose Inside the room AJ Extension Cram hose hooked up on the installation plate 1 Pass the pipe through the hole in the wall and hook 3 the indoor unit on the installation plate at the upper Fig 9 2 20 Hook here CD Installation plate CAUTION n Arrange the drain pipe for proper
73. he charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge 101kPa 76cmHg Handle Lo Pressure gauge Charge hose For R410A only Vacuum pump adapter for counter flow prevention For R410A only Packed valve at gas side Service port Valve core Setting pin Fig 9 3 7 CEN l e KEEP IMPORTANT 4 POINTS FOR PIPING WORK 1 Take away dust and moisture Inside of the connecting pipes 2 Tight connection between pipes and unit 3 Evacuate the air in the connecting pipes using VACUUM PUMP 4 Check gas leak connected points z 53 lt Packed valve handling precautions gt Open the valve stem all the way out but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table 30 to 42 N m 3 0 to 4 2 kgf m Gas side 129 52 mm 16 to 18 Nm 1 6 to 1 8 kgf m Liquid side 6 35 mm 50 to 62 N m 5 0 to 6 2 kgf m Liquid side 1212 70 mm 9to 10 N m 0 9 to 1 0 kgf m Hexagonal wrench is required e Service port Fig 9 3 8 9 3 4 Wiring connection 1 Remove the valve cover from the outdoor unit 2 Connect the connecting cable to the terminal as identified with their respective matched numbers on the terminal block of indoor and outdoor unit When connecting the connecting cable to the outdoor uni
74. ir conditioner is 15 m The additional charging of refrigerant is unnecessary because this air conditioner is designed with charge less specification 22 6 2 Operation Data RAS 13UKV E3 RAS 13UAV E3 Cooling Temperature condition C Model name Indoor Outdoor Standard pressure P MPa Heat exchanger pipe temp T1 C T2 C Indoor fan mode FILE NO SVM 04013 revolution rps 27 19 35 13UKV E3 lt Heating gt Temperature condition C Outdoor Indoor 0 8 to 1 0 Standard pressure P MPa 9 to 11 49 to 45 Heat exchanger pipe temp T1 C T2 C High 77 revolution rps Car re runes por eon ows nov d 9 RAS 16UKV E RAS 16UAV E Cooling Temperature condition C Outdoor Model name Indoor Standard pressure P MPa Heat exchanger pipe temp T1 C T2 C Indoor fan mode revolution rps 27 19 35 16UKV E lt Heating gt Temperature condition C Outdoor Model name Indoor 0 9 to 1 2 Standard pressure P MPa 7 to 10 50 to 45 Heat exchanger pipe temp T1 C T2 C High Indoor fan mode revolution rps 20 7 6 16UKV E Note 2 7 to 2 9 42 to 46 0 to 3 High 82 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger
75. k For details refer to Section 10 9 73 Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE FILE NO SVM 04013 Disconnect the connector and measure resistance value with the tester Normal temperature Temperature Sensor TA TC k TGa Heat pump model only TO TS TE Refer to the TA TC characteristic table in Indoor Refer to Table 10 8 3 No 1 10 8 5 Checking Method for Each Part Part name Electrolytic capacitor For raising pressure smoothing Checking procedure 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that safety valve at the bottom of capacitor is not broken 4 Check that vessel is not swollen or exploded 5 Check that electrolytic liquid does not blow off 6 Check that the normal charging characteristics are show in continuity test by the tester sjCase that product is good Pointer swings once and returns slowly When performing test once again Mee SIS under another polarity the surface o pointer should return Heat sink IGBT side C12 C13 C14 500uF 400V Converter module 1 Turn OFF the power supply breaker 2 Discharge all four capacitors completely 3 Check that the normal rectification characteristics are shown in continuity test by the tester
76. l voltage of electrolytic capacity 500uF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electrolytic capacity by soldering iron Check voltage between motor phases e Is not winding between D or D 3 opened or short circuited e Is not frame grounded with D or FILE NO SVM 04013 If fuse was blown be sure to check the electrolytic capacitor and diode block DBO1 Connect discharge resistance approx 100Q40W or soldering iron plug between terminals of the electrolytic capacitor 500uF of C14 with printed CAUTION HIGH VOLT AGE on PC board Discharging position Discharging period 10 seconds or more Plug of soldering OK if 500uF gt DC280 to 380 V Remove CN300 by pushing the part an arrow because CN01 is a connector with lock Resistance between phases should be approx 55 to 77Q Should be 10MQ or more FILE NO SVM 04013 winding of compressor Check fan motor position detect signal Replace com ue Operation Replace outdoor fan motor Replace control board assembly Check compressor winding resistance Replace control board Replace compressor 10 8 How to Check Simply the Main Parts 10 8 1 How to check the P C board Indoor unit 1 Operating precautions 1 When removing the front panel or the P C board be sure to shut off the
77. lable RB 821SW or commercially available one _ 45 9 1 4 Installation Servicing Tools lt Changes in the product and components gt In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch e In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A FILE NO SVM 04013 New tools for R410A Applicable to R22 model Changes Gauge manifold As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed Charge hose In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging As pressure is hight and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Torque wrench nominal diam 1 2 5 8 The size of opposite sides of flare nuts have been increased Incidentally a c
78. little while after operation started Check procedure Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Gas shortage Gas leak Pipe clogging Measure gas pressure Thermo operation of compressor 2 If the unit stops once it dose not operate until the power will be turned on again To item of compressor does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective Refer to the chart in 10 6 Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off TC sensor _ 67 FILE NO SVM 04013 10 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt 1C Gas leakage disconnection of TS TC Discharge temp error gas leakage Check code 03 1E sensors Check code 02 1C lt Valve drive check Is coil of the pulse modulation valve P M V correctly set YES N 9 Set it correctly lt NO Is connector of coil connected to inverter Set it correctly YES lt Is positioning sound of valve sound hitting to stopper heard from valve when the ai
79. ller Operation mode set on the remote control Compressor revolution command signal defined by indoor temperature and set tem perature Correction along with variation of room temperature and correction of indoor heat exchanger temperature are added For these two types of signals Operation mode and Compressor revolution the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Temperature of indoor heat exchanger by indoor heat exchanger sensor Minimum revolution control Contents of operation command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller The current operation mode The current compressor revolution Outdoor temperature Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to the operation command signal Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble FILE NO SVM 04013 8 1 1 Capacity control The cooling and heating capacity is varied by changing compressor motor speed The inverter changes
80. lling it upward 2 Attachment 1 Attach the upper cabinet ST1T 4 x 108 2 pcs e Hook the rear side of the upper cabinet to claw of the rear cabinet and then put it on the front cabinet 2 Perform cabling of connecting cable and attach the wiring cover e Insert the upper part into the upper cabinet insert claw which has been hooked to the lower part into the square hole and then fix it with screw ST1T 4 x 102 1 pc 3 Attach the valve cover ST1T 4 x 102 1 pc e Insert the upper part to the upper cabinet set hook claw of the valve cover to square holes at three positions of the main unit and attach it pushing upward 1 Detachment 1 Perform work of item 1 of 2 Remove screw ST1T 4 x 102 2 pc of the front cabinet and inverter cover and screws ST1T 4 x 108 3 pcs of the front cabinet and lower part e The left side of the front is made to insert to the rear cabinet so remove it pulling upward 2 Attachment 1 Insert claw at the left side of the front into the rear cabinet 2 Hook the lower part at the right side of the front to concave part of the bottom plate Insert claw of the rear cabinet into square hole of the front cabinet 3 Attach the removed screws to the original positions FILE NO SVM 04013 Remarks Upper cabinet Wiring cover Valve cover Concave section FILE NO SVM 0401
81. main unit How to mount the electrical part 1 Fix the electrical part box by the upper hook of the back body 2 Tighten screw on the electrical part box 3 Connect the 2 connectors and arrange the wiring same as original condition and then tighten the screw to fix the LED unit to the back body 4 Attach the TC sensor to the holder 5 Tighten the screw for the ground wire 6 Mount the drain guide the TC sensor wire should be covered with the drain guide 7 Tighten the screw of the electrical part cover 2 Connectors Horizontal louver 1 Remove the front panel and the electrical part with the procedure 2 2 Remove the center shaft of the horizontal louver from the back body 3 Remove the left shaft from the back body 4 Remove the horizontal louver from the back body I Left shaft l Center shaft Part name Heat exchanger Fan motor Procedures 1 Remove the front panel electrical part and the horizontal louver with the procedure 2 Remove the pipe holder on the rear side of the main unit 3 Remove 2 screws of the heat exchanger on the base bearing side 4 Remove 2 screws of the heat exchanger on the left side upper and lower from the back body and then pull out the upper side of the heat exchanger slowly 1 Remove the front panel and the electrical part with the procedure 2 2 Loosen the set screw of the cross flow fan 3 Remove 2 screws fixing the motor band
82. material 5 Remove the terminal cover of the compressor and disconnect lead wire of the kk compressor thermo and the compressor from kk the terminal T 6 Remove pipe connected to the compressor with Partition board 7 clamping a burner i plate 7 Remove the fixing screw of the bottom plate j and heat exchanger ST1T 4 x 10 2 pc 8 Remove the fixing screw of the bottom plate and valve clamping plate ST1T 4 x 108 2 pcs 9 Pull upward the refrigeration cycle 10 Remove the nut fixing the compressor to the bottom plate j Compressor thermo m Compressor Reactor 1 Perform work of item 1 of D and 3 2 Remove lead wires clung in holder on the partition board 3 Remove the screw fixing the reactor j J SI ST1T 4 x 10 2 pcs EE Part name Pulse modulating valve coil Fan guard Procedures 1 Detachment 1 Perform work of item 1 of D and 2 2 Turn the coil clockwise counterclockwise by 90 degrees and remove coil from the pulse modulating valve 2 Attachment 1 Set take out part of the lead wire of coil to the coil inserting position of the pulse modulating valve and attach the coil 2 Turn the coil by 90 degrees set surely the concave part at lower part of the coil to the positioning hole of the pulse modulating valve and then fix the coil The pulse modulating valve has A room side and B room side Af
83. mmon procedure lt P C board layout gt Procedures 1 Turn the power supply off to stop the operation of air conditioner 2 Remove the front panel e Remove the 4 fixing screws 3 Remove the electrical part base Fuse R04 2 x T3 15A 250V ROG C T01 5 L i u EN 3 e E s ij amp o o T 1ER NL 3 w RI 006 IC01 C02 R01 _ 79 FILE NO SVM 04013 Remarks Replace the thermal fuse terminal block microcomputer ass y and the P C board ass y IC03 Top View 11 3 Outdoor Unit Part name Common procedure Front cabinet Procedures 1 Detachment 1 Stop operation of the air conditioner and turn off the main switch of the breaker for the air conditioner 2 Remove the valve cover ST1T 4 x 102 1 pc e After removing screw remove the valve cover pulling it downward 3 Remove wiring cover ST1T 4 x 10 2 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 102 2 pcs e After removing screws remove the upper cabinet pu
84. n off power supply once and 5 second later turn it on again Is OPERATION lamp flashing YES Is it possible to turn on power supply by pushing START STOP button on remote control YES Unit operates normally Is fuse F01 of indoor control board blown Parts R01 R04 DB01 C01 C03 IC01 and T01 are defective Is voltage NO Does transmission mark on remote control flash normally and is its signal transmitted properly between and DC12 V or 5 V indicated on rear of YES indoor control board normal Is DC310 340 V supplied to primary side of transfer switch Refer to Primary check or this problem is one step short of power P C board block Are DC15 V 12 V N NO Turn off breaker once and 7 V supplied to and turn it on again sconcan sioe si after removing motor Are DC15 V 12 VN NO and 7 V supplied to secondary side of transfeor switch o gt Microcomputer is defective FILE NO SVM 04013 Operation Check Item Considerable principle cause Measures Item by symptoms Remote control is defective Refer to 5 Troubleshooting for remote control Does fan motor connector YES short circuit Replace main P C board Transfer swith IC IC01 for power supply or f
85. n timer button ON Push this button to set the ON timer Reserve button SET Push this button to reserve time settings A receiving beep is heard Cancel button CLR Push this button to cancel ON timer and OFF timer A receiving beep is heard High power button Hi POWER Push this button to start the high power operation _ 38 FILE NO SVM 04013 Memory button MEMO Keep pushing the MEMO button for 2 seconds from the beginning or keep pushing the button for 2 seconds after pushing it once for a short time Then the set data is stored in the memory and is displayed Automatic operation button AUTO Push this button to operate the air conditioner automatically ECO timer button ECO Push this button to start the ECO timer OFF timer operation You can select the OFF timer from among four settings 1 3 5 or 9 hours FILTER button Push this button to turn off the filter cleaning lamp on the indoor unit Push this button after cleaning the air filter PRESET button Push this button to operate the air conditioner according to settings memorized by the MEMO button TIMER button Use this button to change the clock ON timer and OFF timer times To forward the time push the TIMER e button To set back the time push the TIMER f button AAUTOA 9x Q xt 67 Tw 888 QD ON 1 HILI oa Lauto am
86. ng to the diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 10 1 No Troubleshooting Procedure Page 1 First Confirmation 52 Primary Judgment 53 Judgment by Flashing LED 54 of Indoor Unit Self Diagnosis by Remote Control 55 5 Judgment of Trouble by 58 Every Symptom 6 How to Check Simply the Main Parts 66 Discharging position Discharging period 10 seconds or more NOTE A large capacity electrolytic capacitor is used in the outdoor unit control inverter Therefore if the power supply is turned off charge charging vollage DC280V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100Q40W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE 380 V is indicated electrolytic capacitor 500uF 400 V on P C board and then perform discharging Inverter cover Plug of soldering iron P C board Soldered surface 10 1 First Confirm
87. nimum thicknesses of socket joints Nominal diameter Reference outer diameter of copper pipe jointed mm mm Minimum joint thickness 2 2 2 Processing of piping materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing Procedures and Precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conventional flare tool Flare processing dimensions differ according to the type of flare tool When using a conventional flare tool be sure to secure dimension A by using a gauge for size adjustment Fig 2 2 1 Flare processing dimensions
88. noise and discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Please read this installation manual carefully before installing the unit It contains further important instructions for proper installation 42 9 1 1 Installation Diagram of Indoor and Outdoor Units 65 mm or more Installation plate 2 7 m RE More Shield pipe With the remote control cover open load the batteries supplied Remote control holder correctly observing their polarity i I Wireless remete contro Wireless remote control Vinyl tape Apply after carrying out a drainage test E 5 e 8 Saddle Extension drain hose Option RB 821SW As show in the figure hang power cord and connecting cable downward and take out it along piping connection port Fig 9 1 1 43 FILE NO SVM 04013 For the rear left and left piping 4 Insert the cushion between the indoor unit and wall and lift the indoor unit for better operation Cut the piping hole sloped slightly Make sure to run the drain hose sloped downward The auxiliary piping can be connected the left rear left rear right right bottom right or bottom left Right lt i Rear right Rear Bottom left right Bottom left Insulate the refrigerant pipes separately with insulation not together NS xj FILE NO SVM 04013 9 1
89. ols are required for the new refrigerant R410A as shown below For connecting pipes use new and clean piping materials with high pressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any existing piping as its pressure withstand may be insufficient and may contain impurities CAUTION To Disconnect the Appliance from the Main Power Supply This appliance must be connected to the main power supply by means of a circuit breaker or a switch with a contact separation of at least 3 mm The installation fuse 25A D type e E must be used for the power supply line of this air conditioner 41 FILE NO SVM 04013 FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE IS CONNECTED WRONGLY ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE
90. ommon wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector X Exclusive for HFC refrigerant Incidentally the refrigerant cylinder comes with the refrigerant designation R410A and protector coating in the U S s ARI specified rose color ARI color code PMS 507 corresponding to the charge hose s port size Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch 46 FILE NO SVM 04013 9 2 Indoor Unit 9 2 2 Cutting a hole and mounting installation plate 9 2 1 Installation place I l lt Cutting a hole gt e A place which provides the spaces around the indoor unit as shown in the above diagram When installing the refrigerant pipes from the rear e A place where there is no obstacle near the air inlet and outlet
91. or bottom left piping e After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool FILE NO SVM 04013 Left hand connection with piping Bend the connecting pipe so that it is laid within 43 mm above the wall surface If the connecting pipe is laid exceeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender so as not to crush the pipe Bend the connection pipe within a radius of 30 mm 6 35 40 mm 029 52 To connect the pipe after installation of the unit figure Outward form of indoor unit E R 30 mm or less 6 35 R 40 mm or less 29 52 q g Use polisin polyethylene core or the like for bending pipe Use the handle of screwdriver etc Fig 9 2 15 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them e Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape lt Indoor unit Auxiliary pipes TPE Connecting cable Installation plate Fig 9 2 16 e Carefully arrange pipes so t
92. ow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping material and attach a flow meter to the cylinder 3 Apply a seal into the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m Hr or 0 02 Mpa 0 2 kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands Remove the flux completely after brazing Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder Pipe b S I Nitrogen gas Rubber plug Fig 2 5 1 Prevention of oxidation during brazing 13 3 CONSTRUCTION VIEWS 3 1 Indoor Unit FILE NO SVM 04013 Front panel Air filter Air inlet Heat exchanger lt 790 Back body Knock out system
93. r conditioner starts the operation after turning off power of the air conditioner once NOTE After all the operations stopped by the remote control the power keeps being supplied to outdoor unit for approx 3 minutes If operating the air conditioner by remote control again just after all the operations stopped by the remote control positioning of the valve is not performed when outdoor unit is activated because supplying power to the outdoor unit is not interrupted After positioning of the valve activate the compressor and the outdoor fan It takes approx 7 seconds for positioning of the valve and sound ticktack hitting sound to stopper is heard for approx 0 5 seconds at least of that period As the sound is low check sound by using screwdriver etc NO P Replace coil valve AG temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control electronic control valve include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE and outdoor suction temp sensor TS YES NO Set it correctly Gas amount check and valve clogging check Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Pi sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fi
94. ration of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air conditioner Conventional air installation conditioner installation Used tool Existence of Whether Whether new equipment new equipment conventional can be used with for R410A equipment can conventional refrigerant be used Flare tool Pipe flaring Copper pipe gauge Flaring by for adjusting projection conventional flare margin tool Torque wrench Connection of For 12 70 flare nut Gauge manifold Evacuating refrigerant charge Charge hose run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for Refrigerant charge refrigerant charging 1 Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 When flaring is carried out
95. rax and boric acid It is effective in case where the brazing temperature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound Piping materials for brazing and used brazing filler flux Piping Used brazing Used material filler flux Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapor flux CD Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 8 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water Remove the flux after brazing FILE NO SVM 04013 2 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation D Attach a reducing valve and a fl
96. rd part DC power supply circuit 5 V 12 V 15 V Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving Infrared ray receiving circuit LED To check defect of the P C board follow the procedure described below 70 9 Check procedures Procedure Turn off the power supply and remove the P C board assembly from electronic parts base Remove the connecting cables from the terminal block Table 10 8 1 Check points Symptom Check whether or not the fuse F01 is blown FILE NO SVM 04013 Causes Impulse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor and turn on the power supply If OPERATION lamp flashes once per second it is not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between TP2 and TP3 AC 220 240 V 2 Between and O DC 310 340 V 3 Between O of C10 and output side of IC08 DC 15 V 4 Between 12 V and GND 5 Between 5 V and GND 1 The terminal block or the cross 2 3 4 5 over cable is connected wrongly The capacitor C01 line filter L01 resistor R01 or the diode DB01 is defective IC01 ICO2 and T01 are defective IC01 ICO2 and T01 are defective IC01 ICO2 IC07 and TO1 are defective Push START STOP button once to start the unit Do not set the mode to
97. re the operation noise and discharged air do not disturb users neighbors Fig 9 3 2 A place which is not exposed to a strong wind A place free of a leakage of combustible gases 2 Insert a flare nut into the pipe and flare the pipe A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet An allowable length of the connecting pipe is up 15 m An allowable height level is up to 10 m A place where the drain water does not raise any problem Projection margin in flaring A Unit mm Fig 9 3 3 Ne f i CAUTION Rigid Clutch type 1 Install the outdoor unit without anything blocking Outer dia R410A Conventional the air discharging of copper pipe tool used tool used 2 When the outdoor unit is installed in a place 6 35 0 to 0 5 1010 1 5 exposed always exposed to strong wind like a coast or on a high storey of a building secure 9 52 0 to 0 5 1 0 to 1 5 the normal fan operation using a duct or a wind 12 70 0 to 0 5 1 0 to 1 5 shield 3 In particularly windy areas install the unit such Imperial wing nut type as to avoid admission of wind 4 Installation in the following places may result in Outer dia R410A trouble of copper pipe Do not install the unit in such places 6 35 1 5 to 2 0 eA place full of machine oil 9 52 1 5 to 2 0 e A saline place such as the coast A place full of sulfide gas
98. refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 2 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materials exclu sive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 3 If a refrigeration gas leakage occurs during instal lation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrigeration cycle Otherwise pressure in the refrigeration cycle may become abnormally high so th
99. remote control to turn it off Motions The unit is in operation The orange lamp is on Y The unit stops operating The orange lamp is turned off p After approx three seconds The unit beeps three times If the unit is required to operate at this time push TEMPORARY button once more or use the remote control to turn it on e While this function is being set if the unit is in operation the orange lamp is on 8 4 3 Power failure during timer operation When the unit is in timer operation if it is turned off because of power failure the timer operation is cancelled Therefore set the timer operation again NOTE The Every Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure 8 5 Filter Check Lamp When the elapsed time reaches 1000 hours the filter 8 5 1 How to turn off filter check lamp Push FILTER button on the remote control Or push TEMPORARY button on the indoor unit Then we have to clarify it NOTE If TEMPORARY button is pushed while the filter check lamp is not indicating the indoor unit will start the automatic operation When you want a temporary operation while the filter lamp lights put out the lamp once and then push the TEMPORARY button check lamp indicates After cleaning the filters turn off the filter check lamp 37 8 6 Remote Control and its Functions 8 6 1 Parts name of remote
100. remove Motor connection condition connector from motor Is it possible to detect DC 15 V Then push START STOP button between and 9O of on remote control to stop motorconnector CN10 flashing lamp on indoor unit Is it possible to detect DC 15 V between and 3 O of motor connector CN10 YES Change airflow level Peplace main to HIGH P C board Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and O of motor connector CN10 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote control YES Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and SO of motor connector CN10 Check this condition within 15 seconds after starting unit Is it possible to change airflow level to HIGH YES Is it possible to NO rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between and of motor connector CN10 YES NO Fan motor operates normally 6
101. s 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 2 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market FILE NO SVM 04013 Table 2 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 2 2 3 to 2 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 2 2 2 Table 2 2 2 Mi
102. side and replace the board with a new one 1 Perform work of item 1 of 1 CD and 2 Remove fixed screws fixing to the bottom plate ST1T 4 x 102 3 pcs 3 Remove fixed screws fixing to the heat exchanger ST1T 4 x 102 2 pcs 4 Remove fixed screw fixing to the valve mounting plate ST1T 4 x 102 1 pc FILE NO SVM 04013 Remarks CN301 CN701 m oO A CN703 CN602 CN603 CN601 CN600 CN300 CN301 and CN701 etc at the control board assembly side are connectors with locks Therefore remove the connector while pushing the part indicated by an arrow ol 2 P C board base P C board When mounting a new board check that the board is correctly set in the groove of base holder of P C board Reactor FILE NO SVM 04013 Part name Procedures Remarks Fan motor 1 Perform work of item 1 of D and Fan motor 2 Remove the flange nut fixing the fan motor and the propeller fan Propeller fan e Flange nut is loosened by turning clockwise To tighten the flange nut turn counterclock wise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 3 pcs holding by hand so that the fan motor does not fall Compressor 1 Perform work of item 1 of D and 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 102 2 pcs 4 Remove the sound insulation
103. t Press START STOP button YES Batteries are exhausted Is transmission mark indicated YES NO Does indoor unit beep and operate YES Remote control is defective Is there any thyristor fluorescent light nearby Does indoor unit start to operate by automatic restart function Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Avoid direct Keep indoor unit Replace Replace Normal sunlight away from P C board batteries operation thyristor fluorescent light Note After replacing batteries press the RESET button with a tip of a pencil 66 FILE NO SVM 04013 10 5 2 Wiring Failure Interconnecting and serial signal wire 1 Outdoor unit does not operate 1 Is the voltage between indoor terminal block 2 and 3 varied Confirm that transmission from indoor to outdoor is correctly performed based on the following diagram NOTE e Measurement should be performed 2 minutes and 30 seconds after starting of the operation e Be sure to prepare a diode for judgment Terminal block on indoor side Red S5277G S5277G or equivalent G or J type Diode with rated voltage of 400 V White or more is acceptable Tester Terminal block Normal time Voltage swings between DC15 V and 60 V Abnormal time Voltage does not vary 2 Outdoor unit stops in a
104. t separation of at least 3 mm must be incorporated ies in the fixed wiring E Power cord NOTE Connecting cable e Wire type More than HO7RN F or 245 IEC66 1 0 mm or more 54 FILE NO SVM 04013 9 3 5 Gas leak test 9 3 7 Auto restart setting This product is designed so that after a power failure Check places for it can restart automatically in the same operating mode indoor unit Flare nut connection as before the power failure e ae Dye A The product was shipped with Auto Restart function in the off position Turn it on as required lt How to set the auto restart gt Som Press and hold down the TEMPORARY button for about 3 seconds After 3 seconds the electronic beeper makes three short beeps to tell you the Auto LA Restart has been selected A To cancel the Auto Restart follow the steps described in the section Auto Restart Function of the Owner s Manual Electric parts cover cL Check places for outdoor unit Fig 9 3 10 e Check the flare nut connections for the gas leak with a gas leak detector or soap water 9 3 6 Test operation To switch the TEST RUN COOL mode push TEMPORARY button for 10 sec The beeper will make a short beep 55 FILE NO SVM 04013 10 HOW TO DIAGNOSE THE TROUBLE The pulse modulating circuits are mounted to both indoor and outdoor units Therefore diagnose troubles accordi
105. t at left side of the terminal block 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires Terminal block The connector is one with lock so remove it while pushing the part indicated by an arrow Requirement As each connector has a lock mechanism avoid to remove the connector by holding the lead wire but by holding the connector Be sure to remove the connector by holding the connector not by pulling the lead wire Part name Control board assembly Rear cabinet Procedures 1 Disconnect lead wires and connectors connected from the control board assembly to other parts 1 Lead wires Connection with terminal block 3 wires Black White Orange Connection with compressor Remove the connector 3P Connection with reactor Remove the relay connectors from P07 08 2P White and P12 13 2P Yellow 2 Connectors CN300 Outdoor fan 3P White CN301 Outdoor fan position detection 5P White CN701 4 way valve 3P Yellow CN600 TE sensor 2P White CN601 TD sensor 3P White CN603 TS sensor 3P White CN602 TO sensor 2P White CN703 Pulse modulating valve 6P White 2 Remove the control board assembly from P C board base 1 Main control board assembly side Remove two claws of P C board base and remove upward the heat sink with hands Remove three screws fixing the heat sink and main control board assembly
106. t of air conditioner input is detected by the outdoor current sensor and compressor motor speed is gradually lowered so that current value does not exceed 9 0A if current value exceeds 9 0A When the current value lowers to 8 5A return the operation to the above item 1 Comp motor 9 0 speed down Comp motor speed keep Normal control Fig 8 2 2 4 Limit for maximum compressor motor speed by indoor fan speed When outdoor temperature sensor detected 32 C or lower and indoor heat exchanger sensor detected 17 C or lower the maximum compressor motor speed is limited by the indoor fan speed For example the compressor motor speed is limited as described in the table below Table 8 2 1 RAS 13UKV E3 RAS 16UKV E rps Air flow rate rps round per second 5 Louver control The vertical air flow louvers are automatically set to horizontal or cool memory position When temperature of indoor heat exchanger becomes 5 C or lower by the prevent freezing control and the compressor is turned off the vertical air flow louvers close once and then return to the position of previous time 6 Discharge temperature control Common control to cooling and heating The discharge temperature of refrigerant gas from the compressor is detected by the discharge temperature sensor and controls operating compressor motor speed 1 Control 1 A zone Normal operation zone When TD detect value is
107. t terminal make a loop as shown in the installation diagram of indoor and outdoor unit to prevent water coming in the outdoor unit Insulate the unused cords conductors from any water coming in the outdoor unit Proceed them so that they do not touch any electrical or metal parts FILE NO SVM 04013 Stripping length of connection cable Terminal block Power cord 123 LN 1 l l ee 1 1 yo ri 1 e k Y Bulb Y 4o o 40 T 40 30 30 Earth line Earth line Connecting cable Power cord Fig 9 3 9 RAS 13UKV E3 RAS 16UKV E 50 60 Hz 220 240 V Single phase Model Power source Maximum 11A running current Installation fuse rating 25A D type o HO7RN F or 245 IEC66 1 5 mm or more EoD e Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local codes on running the wire from indoor unit to outdoor unit size of wire and wiring method etc Every wire must be connected firmly e This installation fuse 25A D type 6 must be used for the power supply line of this air conditioner If incorrect or incomplete wiring is carried out it will cause an ignition or smoke Prepare the power supply for exclusive use with the air conditioner This product can be connected to the mains Connection to fixed wiring A switch which disconnects all poles and has a contac
108. t the surface with a paint 2 When performing brazing again at time of servicing use the same type of brazing filler Phosphor bronze brazing filler is generally used to 2 5 2 Flux join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes 1 Reason why flux is necessary 12 By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler e Inthe brazing process it prevents the metal surface from being oxidized e By reducing the brazing fillers surface tension the brazing filler adheres better to the treated metal 2 3 4 Characteristics required for flux e Activated temperature of flux coincides with the brazing temperature e Due to a wide effective temperature range flux is hard to carbonize e tis easy to remove slag after brazing e The corrosive action to the treated metal and brazing filler is minimum e It excels in coating performance and is harmless to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc Types of flux e Noncorrosive flux Generally it is a compound of bo
109. ter mounting it check that coil at B room side Red marking is marked on the pulse modulat ing valve is connected to CN13 of the control board assembly 1 Detachment 1 Perform work of item 1 of and 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claw of the fan guard in the hole of the front cabinet Push the hooking claws 10 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specified positions FILE NO SVM 04013 Remarks Take out part of lead wire Coil inserting position lt position Coil inserting Positioning position hole 4 Minus screwdriver Hooking claw t Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD These are parts for servicing sensors Please check that the accessories shown in the right table are packed Procedures 1 Cutthe sensor 100 mm longer than old one Cut the protective tube after pulling out it 200 mm Move the protective tube toward the thermal sensor side and tear the tip of lead
110. the front panel sure to insulate both the connecting pipes Use 1 Remove the air inlet grille polyethylene foam as insulating material Open the air inlet grille upward and pull it toward Rear right E you 2 Remove the terminal cover and cord clamp Rear left 3 Insert the connecting cable according to the local cords into the pipe hole on the wall Bottom left gt 4 Take out the connecting cable through the cable slot on the rear panel so that it protrudes about Let 15 cm from the front 5 Insert the connecting cable fully into the terminal Bono agit block and secure it tightly with screws Right gt Tightening torque 1 2 N m 0 12 kgf m Secure the connecting cable with the cord clamp Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit Front panel slit Changing drain hose Piping preparation Die cutting CON O Fig 9 2 8 1 Die cutting Front panel slit Cut out the slit on the left or right side of the front panel CAUTION for the left or right connection and the slit on the bottom left or right side of the front panel for the bottom left or right connection with a pair of nippers e Be sure to refer to the wiring system diagram labeled inside the front panel e Check local electrical cords and also any specific wiring instructions or limitations 2 Gnanging drain nose For left connection bottom leftward connection and rear leftw
111. to fit position of the pipes Put the edges of the pipes to the place with a distance of 85 mm from the incused line Incused line Fig 9 3 6 After the piping has been connected to the indoor unit you can perform the air purge together at once AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of the vacuum pump Using a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If oil inside of the vacuum pump enters into the air conditioner which use R410A refrigeration cycle trouble may result 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is D101 kPa D76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both side of Gas and Liquid 7 Remove t
112. uno JSAO INOJI9 19e ep jueuno JgAO yno eAUP ayes UN9110 9A Up 819 ynoulo 10810 uonisod 10 0H HNOII9 19ejep uonisod JO OY LINN HOOGLNO AW d Jo PND 1eAuq inouro Aejay oq ov Josu s J I AU0O Juan indul ZHIN9L Nouo Aouanbey UOOIHOD 1019 42019 Jamod UBIH un JOOPU 0 uogeoiunwwoo euBis 011U02 A PA AEM 043009 dwa eBueuosiq 041009 A W d UOIJOUN J919AU00 G Y 043u09 Aouonbeu 1ndino 1ejieAu 041009 u01 991109 1019 19MOd UBIH 040009 UB J00pInO 041u09 99 p JU911N9 19A0 GH 043u09 eseeojo1 jue uno 1ndu uonoun sis ulu s NMd NON g 9 d L899N ss se RE gen UTD EUR py ae erp ee INVH9VIG H9014 411NdWOI OHIIN 1 1l d SION Josu s dui 8 J Bueuox je8H Josues dui91 uonong Josues due Jre 1ooplnO Josues duu 1 eBieuosiq ynoulo eNeoeJ pues K gt yun Joppu ZH 09 0S A Ove Oe 4 LINN HOOQNI 104 FILE NO SVM 04013 8 OPERATION DESCRIPTION 8 1 Outlined of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 13 to 110 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to
113. voltage between 2 and 3 DC15 to 60 V Check to see if the fuse blows out Check the R04 of the varistor FUSE 3 15A Check the voltage at the No 4 pin on CN13 connector of the infrared receiver Check the transformer and the power supply circuit of the rated voltage DC5V Check the voltage at the white lead of the louver motor Check the transformer and the power supply circuit of the rated voltage DC325V Check the voltage at the No 1 pin on CN10 connector DC310 to 340V Check the DB01 R05 and C03 DC12V Refer to the service data for the detailed failure diagnosis 16 FILE NO SVM 04013 4 2 Outdoor Unit RAS 13UAV E3 PULSE MODULATING VALVE TTN COIL f Te m o irs 2i oot VALVE PMV Pi s EE ex F Y VAN VG NY Ni ae SI FL SP NUN uN VAN V rr 2 GLX GS GLX T MRR Ge LS 1X2K3 1X X3 1B8LKk _ _ 1X2X3 CON600 CN60 CN602 CN603 fenol PO6 CN70 TE in 4 x sain OO mins yl POWER J NAME l i SUPPLY REACTOR RELAY F01 220 240V esi OO 50 60Hz i AA FUSE ORN P09 s T25A TO P10 INDOOR L 4 POEWR RELAY UNIT cc Gi i C12 C13 C14 p a ro OF E za ELECTRONIC F04 Pit 8g STA
114. xes opening degree of P M V and No of revolution of compressor Check condensation at outlet of P M V and then check operating pressure from the service port Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch 6 35mm valve side the valve is clogged Replace valve Add gas Check the operating pressure from service port and add gas if pressure is low 68 10 7 How to Diagnose Trouble in Outdoor Unit 10 7 1 Summarized inner diagnosis of inverter assembly Table 10 7 1 Remove Preparation connector of compressor NG Replace fuse Check electrolytic capacitor diode block DB01 etc Check 15 A fuse Part No F01 OK Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DB01 etc Operation Does outdoor NO fan rotate YES Does LED on control YES board flash or go on NO Measurement Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phase at motor side Check Measurement Replace outdoor fan motor Turn OFF the power breaker and remove 3P connector which connects inverter and compressor e Check whether 25 A fuse on the control board assembly is blown or not F01 Turn on power breaker and operate the air conditioner in COOL mode by short circuit of the timer Measure termina

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