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SERVICE MANUAL

1. Cooling Heating 12 2 RAS 16SKVP2 E 11 RAS 13SKVP2 E T 10 9 8 8 7 5 165 2 lt lt D D 5 135 2 S RAS 10SKVP2 E 4 4 3 RAS 10SKVP2 E 2 1 0 0 10 20 30 40 50 60 70 80 90 100 110 120 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor Speed RPS Compressor Speed RPS 2 3 Capacity Variation ratio According to Temperature lt Cooling gt lt Heating gt 105 120 100 RAS 10SKVP2 E 95 100 90 go gt 85 E gt s S 13SKVP2 E s 8 80 RAS 16SKVP2 E amp o 60 75 RAS 10SKVP2 E G 8 RAS 13SKVP2 E 70 RAS 16SKVP2 E Capacity ratio 100 Conditions 40 Conditions 65 2 91KW RAS 10SKVP2 E lingoor DB 27 C WB 19 Indoor DB 20 C WB 15 C 3 52KW RAS 135KVP2 E tl outdoor pg 35 C WB 24 C Outdoor DB 7 C WB 6 C 60 4 53kW RAS 16SKVP2 E Indoor Air Flow High 20 Indoor Air Flow High Pipe Length 5m Pipe Length 5m 55 Voltage 230V Voltage 230V 50 0 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 20 15 10 5 0 5 10 Outside Temperature C Outside Temperature C FILE NO SVM 11015 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer
2. 20 30 40 50 Temperature C TA TC Tcj TO TE TS 83 12 FILE NO SVM 11015 1 02 CNS mm 99 lt I LL e 8 SWRT 1 TD Discharge temp sensor TA Room temp sensor TC and Tcj Heat exchanger temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor TS Suction temp sensor FILE SVM 11015 1 11 9 3 Indoor Unit Other Parts No Partname 1 Room temp sensor Disconnect the connector and measure the resistance value with tester Heat exchanger TC Tcj Normal temp Sensor Temperatur TA TC Remote controller Refer to 11 5 1 5 3 Louver motor Measure the resistance value of each winding coil by using the tester 24BYJ48 HT Under normal temp 25 C Position Resistance value 250 200 Refer to 11 5 1 3 11 9 4 OutdoorUnit Partname qvi Compressor Measure the resistance value of each winding by using the tester Model DA111A1F 20F1 Pein Rests vue Red White White Black 0 88 to 0 980 Black Red Under 20 Outdoor fan motor Measure the resistance value of winding by using the tester Model ICF 140 43 4R Position Resistance value 4 way valve coil Measure the resistance value of winding by using the tester 1725 172 50 Under 20 C Pulse motor valve coil
3. FILE NO SVM 11015 E tone LL j Electronic 1 Detachment expansion valve 1 Perform step 1 in 2 all the steps in coil and 1in 2 Remove the coil by pull it upward 2 Attachment 1 Insert a valve coil to value body by push it downward And confirm to fix it surely Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward 4 Minus screwdriver 4 Hooking claw 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 claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws Check that all the hooking claws are fixed to the specified positions 102 FILE NO SVM 11015 Remarks 4 sensor outdoor heat exchanging temperature sensor e Attachment Install the sensor onto the straight pipe part of the condenser output pipe Straight Part 1 Sensor lead Detail C Detail A Detail C TS sensor Suction pipe temperature sensor Install the senser onto the straight pipe part of the suction
4. FILE NO SVM 11015 1 11 HOW TO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 No Troubleshooting Procedure First Confirmation No Troubleshooting Procedure How to Check Simply the Main Parts Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller ES How to Check Simply the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor 10 Fan Motor is Good Bad Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the PC board by hand The new inverter 3DV inverter will be incorporated starting with this unit 3DV 3 shunt Discrete Vector control The control circuitry has an uninsulated construction E EM IGBT x 6 Compressor I I I I I EE I me Fan motor I Driver Amplifier FET 6 j I I I I MCU Driver I Shared potential at e ae Fig 11 1 62
5. a a 43 9 3 3 Power Failure During Timer Operation 2 43 Remote Controller and Fuctions 44 9 4 1 Parts Name of Remote Controller 77 44 9 4 2 Operation of remote control 44 9 4 3 Name and Functions of Indications on Remote Controller 47 93 FILE SVM 11015 1 Basic 1 Operation control Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 Asignal is sent by ON button of the remote controller 3 The signal is received by a sensor of the indoor unit and processed by the indoor controllers as shown in the below 4 The indoor controller controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse Modulating valve Remote controller Selection of Control contents of remote controller operation conditions e
6. 0080 SAAS SHEET METAL oee x m zzz Micro SW m 7 A DYYU A RED __ SKVP series Q PNM ON CN gt AD QU pe lt 97 on eet Fan Motor HUM Heat Exchanger Sensor CN63 D L Exchanger Sensor CN62 5 X5 5X5 TC BLU ee CN32 Louver Motor Line WHI Fiter cN22 Thermo Sensor CN61 WHI TA OT D BLU TT DVO B lt Lads IG gt O Du dE BLU Pe 5 OO e lt S Color indication LO NA N m P BRW BROWN 51548 0 05 YEL YELLOW b A BLU BLUE CN10 CN21 WHI WHITE WHI WHI amp YEL Main P C Board GREEN amp YELLOW MCC 5045 e FILE SVM 11015 1 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit Heat exchanger temp sensor Tcj sensor 6 2 Outdoor Unit Parts name Rating Outdoor fan motor ICF 140 43 4R suction temp sensor TS sensor Inverter attached Discharge temp sensor TD sensor Inverter attached 62kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C eat exchanger temp sensor TE sensor 10kQ 25 C oil for 4 way valve STF H01AJ1872A1 AC220 240V FILE SVM 11015 1 7 REFRIGERANT CYC
7. Location Part Description No No N O OF C N 43 00559 43 00560 43 42345 43 00561 43719349 43700562 43719350 43741401 43743458 43143459 43746358 43746366 43746374 43747331 43747332 43747333 LEFT CABINET BASE PLATE ASSEMBLY UPPER CABINET FAN GUARD PACKED VALVE COVER ASSEMBLY HANDLE COMPRESSOR CONDENSOR ASSEMBLY FOR RAS 16SAVP2 E CONDENSOR ASSEMBLY RAS 10 13SAVP2 E VALVE PACKED 6 35 DIA VALVE PACKED 9 52 DIA RAS 10 13SAVP2 E VALVE PACKED 9 52 DIA FOR RAS 16SAVP2 E BONNET 6 35 DIA BONNET 9 52 DIA RAS 10 13SAVP2 E BONNET 9 52 DIA FOR RAS 16SAVP2 E 11 13 14 10 12 H 7 N k FILENO SVM 11015 4 25 Ni 227 i No 26 SE ae 7 S 18 M lt 5 17 OX 7 30 HOLDER SENSOR For PIPE OD 6 35 mm 31 HOLDER SENSOR TE For PIPE OD 8 00 mm 32 HOLDER SENSOR TE For PIPE OD 9 52 mm Location No 14 107 43 00448 43 00563 43 46347 43 63329 43 58311 43 20331 43 21375 43 47001 43 97001 43749335 43746375 43763337 43763319 43779305 43739341 43763318 43763317 43763316 43719351 Description No FIXING PLATE VALVE RIGHT SIDE CABINET ASSEMBLY BODY PMV COIL PMV REACTOR PROELLER FAN FAN MOTOR NUT FLANGE NUT RUBBER CUSHION 4 WAY VALVE 4 WAY VALVE COIL ASSEMBLY HOLDER SENSOR DRAIN NIPPLE MOTOR BASE CONNECTION PLATE HOLD
8. h POWER Power se setting on the remote operates immediately besides all indicatiors on front panel turns ON continuously for 3 seconds CLOCK CHECK FILTER RESET uc FILE SVM 11015 19 One Touch One touch comfort is the fully automated operation Operation condition for model to Europe Comfort that is set according to the preferable condition in market region When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following Fan 1 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF 2 Operation mode is set according to room Operation AUTO AUTO L temperature the same as AUTO mode 3 Target temperature is 24 C Time after operation Ta 5 16 starts min 4 Louver position is set as stored position AUTO L Fan operates depends on the setting of the operating mode temperature and room temperature 5 Fan is controlled as followings During the One Touch Comfort mode if the indoor unit receives any signal with other operation mode the unit will cancel the comfort mode and operates according to the signal received 20 Hi POWER Hi POWER button on the remote controller Mode is p
9. Eis FILE SVM 11015 8 Louver control This function controls the air direction of the indoor unit 1 Louver The position is automatically controlled according to the operation position mode COOL HEAT e The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling Heating memory position The angle of the louver is indicated as the louver closes fully is 0 1 Louver position in cooling operation bap Initial setting of Cooling storage position Louver Directs downward 35 39 2 Louver position in heating operation Heating operation AUTO HEAT Initial setting of Heating storage position Louver Directs downward 80 5 2 Air direction adjustment e The louver position can be arbitrarily set up by pressing FIX button Horizontal Inclined Blowing Inclined Horizontal blowing blowing downward blowing blowing 3 Swing e Swing operation is performed in width 35 with the stop position as e Swing the center When pressing If the stop position exceeds either upper or lower limit position SWING button during swing operation is performed in width 35 from the limit which the operation the louver stop position exceeded starts swinging 05 FILE SVM 11015 9 ECO When pressing ECO button on the remote controller a lt Cooling operation gt operati
10. A place where there are no obstacle near the air inlet and outlet A place which allows easy installation of the piping to the outdoor unit 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 Also it must be avoided to put anything on the top of the indoor unit CAUTION Direct sunlight on the indoor unit wireless receiver should be avoided e The microprocessor in the indoor unit should not be too close to r f sources For details see the owner s manual Remote controller e Should be placed where there are no obstacles such as curtains that may block the signal Do not install the remote controller in a place exposed to direct sunlight or close to a heating Source such as a stove Keep the remote controller at least 1 m away from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference The location of the remote controller should be determined as shown below Top view EH Indoor mi Reception Reception Remote range Pee range 9 controller Remote controller Side view Indoor unit ES MN Fig 10 3 1 FILE SVM 11015 10 3 2 Cutting a Hole and Mounting Installation Plate Cutting a hole When installing the refrigerant pipes from the rear U Fig 10 3 2 After de
11. Y Air intlel View Z 600 o INNY SN SS INN rae N 325 Drain outlet 100 or more SS Back leg 4 2 Outdoor Unit A detail dra win 006 2 21 x 14 Long holes For 28 210 anchor bolt 15 Installation dimension Air outlel 600 or more 100 or more Z FILE NO SVM 11015 1 5 WIRING DIAGRAM COMPRESSOR _ fi gt 00 REDI PO4 CN300 BLK e CM j gol Q200 205 Q300 305 22 AH VW 313 _ IGBT MOS FET 11 N L R221 P C BOARD Rail d E FAN MOTOR p25 ALLE MCC 5009 Lt OO P23 o0 E I vm 21 gt BRW es eS AD m KLK EULSE MOTOR VALVE 101 VARISTOR WS TS SUCTION PIPE TEMP SENSOR oo SURGE ABSORBER VARISTOR OUTDOOR TEMP SENSOR FO1 CN601 i e ORN 00 w P02 TD WHI DISCHARGE PIPE TEMP SENSOR 212 am TY N V4 CN600 44 REACTORS COLOR IDENTIFICATION BLK BLACK WHI WHITE ALU BLU BLUE BRW BROWN SUPPLY GRY GRAY YEL YELLOW 220 240 50HZ PNK PINK PUR PURPLE 220 230V 60Hz REACTOR POWER RED RED ORN ORANGE Outdoor Terminal Block Indoor Terminal Block D POWER SUPPLY From outdoor Unit High voltage Power Supply TX 3 o AFATA E m
12. FILE NO SVM 11015 CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads Fig 11 2 Do lay the circuit board assembly flat Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V 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 usi
13. 15 recommended to procure an antifreeze heater locally for a safe installation of the air conditioner For details contact the dealer FILE NO SVM 11015 2 SPECIFICATIONS 2 1 Specifications ent Outdoor Cooling capacity kW Cooling capacity range kW Heating capacity kW Heating capacity range kW 1 Ph 220 240 50Hz Electric Indoor Operation mode Cooling Heating Cooling Heating Cooling Heating characteristic Powerfato O 6 6 65 6 65 6 Outdoor Operation mode Cooling Heating Cooling Heating Cooling Heating Running current A Power factor 89 92 97 95 97 98 Indoor mn nn Low Cooling Heating dB A Outdoor Cooling Heating dB A Indoor unit Unit model Dimension Depth mm Net weight j 9 Fan motor output W Air flow rate Cooling Heating m3 min Outdoor unit Unit model Dimension 800 Depth mm Net weight kg Compressor Fan motor output W Air flow rate Cooling Heating m3 min Piping connection Indoor unit Liquid side mm Outdoor unit Maximum length m Maximum chargeless length m Maximum height difference m Weight kg Wiring Power suppl connection Interconnection Usable temperature range 21 32 0 28 Accessory Indoor unit Pan head wood screw FILE NO SVM 11015 2 2 Operation Characteristic Curve
14. 1 Reason why flux is necessary By removing the oxide film and any foreign matter on the metal surface it assists the flow of brazing filler e In brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 2 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum excels in coating performance and is harm less 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 3 Types of flux Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature 15 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 4 Piping materials for brazing and used brazing filler flux Ping mer Uses bane
15. 82 FILE NO SVM 11015 ot Impulse voltage was applied or the indoor fan motor short circuited The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter LO1 resistor RO2 or the diode DB01 is defective 1011 IC13 and T101 are defective 1011 1013 and T101 are defective 1011 1013 1 14 and T101 are defective 51 and IC52 are defective The indicators are defective or the housing assembly CN21 is defective 1 The temperature of the indoor heat exchanger is extremely low 2 The connection of the heat ex changer sensor is loose The connector is disconnected CN62 The heat exchanger sensor and the board are defective Refer to Table 11 4 1 The main P C board is defective The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer sensor short circuited CN62 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main PC board is defective The indoor fan motor is defective Protected operation of P C board The board is defective The connection of the motor connector Is loose 11 9 2 Board Layout C401 C111 T35 15A 250V CC 5045 COMPONENT SIDE R502 C122 I 1 Sensor characteristic table Resistance value 100 90 80 70 60 50 40 30 20 10 C133
16. Attachment pipe Be careful for the lead direction of the sensor TD sensor Discharge pipe temperature sensor Attachment With its leads pointed upward install the sensor onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor 4 Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger pen 238 y B IKN SS N s PR J DS Wy IN I J yU Lm v lt d TO sensor holder Detail A Detail B Arrow D TS sensor TD sensor TO sensor CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric shocks and or a fire CAUTION After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions 103 FILE NO SVM 11015 Peet rate LLL L8 0 Replacement of temperature sensor for servicing onl
17. 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 refrigerat ing 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 refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 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 materi als exclusive 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 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
18. 12 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press Fan Button Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling or heating due to low sound features 13 POWER SELECTION OPERATION This function is used when its circuit breaker is shared with other electrical appliances lt limits the maximum current power consumption to 100 75 or 50 The lower the percentage the higher the saving and also the longer the compressor lifetime Press Select aa for 100 75 for 50 e When the level is selected PWR SEL level flashes on LCD display for 3 seconds In case of 75 and 50 level number 75 or 50 also flashes for 2 seconds e Due to the reason that POWER SELECT FUNCTION limits the maximum current inadequate capacity may occur 14 COMFORT SLEEP OPERATION To save energy while sleeping automatically control air flow and automatically turn OFF Press Select 1 3 5 or 9 hrs for OFF timer operation Note The cooling operation the set temperature will increase automatically 1 degree hour for 2 hours maximum 2 degrees increase For heating operation the set temperature will decrease 15 8 C OPERATION 1 Press button to change to 8 C set temperature heating operation 2 Press to adjust setting temperature from 5 C to 13 C Note 8 C will operate in Heating mode only If Air conditioner p
19. 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 Stripping length of connecting cable Terminal block LN NZ ZN NZ Connecting cable Power cord Fig 10 4 11 FILE NO SVM 11015 110 40 30 30 lt gt gt 10 Earth line Earth line Connecting cable Power cord Fig 10 4 12 Power source 50 Hz 220 240 V Single phase Maximum running current Plug socket amp fuse rating TSA HO7RN F or 245 IEC66 1 5 Power cord or more NOTE Connecting cable Wire type More than HO7RN F or 245 IEC66 1 0 mm or more CAUTION Wrongt wiring connection may cause electrical parts to burn out Be sure to comply with local cords on running the wire from indoor unit to outdoor unit size of wire and wiring method etc Every wire must be connected firmly This installation fuse 15A must be used for the power supply line of this air conditioner 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 contact separation of at least 3 mm must be incorporated in the fixed wiring 10 5 Test Operati
20. 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 As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur The size of opposite sides of flare nuts have been increased Incidentally common wrench is used for nominal diameters 1 4 and 3 8 By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment 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 Vacuum pump adapter Gas leakage detector Exclusive for HFC refrigerant e 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 Also the charge port and packing for refrigerant cylinder require 1 2 UNF 20 threads per inch corresponding to the charge hose s port size 54 10 3 Indoor Unit 10 3 1 Installation Place e A place which provides enough spaces around the indoor unit as shown in the diagram
21. e f itis necessary to drain the defrost water attach drain nipple 9 and cap water proof 0 to the bottom plate of the outdoor unit before installing it 49 FILE NO SVM 11015 Part name Q ty 10 2 2 Accessory and installation parts Mounting screw 24 x 25 2x6 gt Flat head wood screw O3 1x162x2 Owner s manual Installation manual Cap water proof x 2 part marked with asterisk is packaged with the outdoor unit FILE NO SVM 11015 10 2 3 Installation Servicing Tools Changes in the product and components 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 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 As pressure is high it is impossible to measure by means of Gauge manifold conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed In order to increase pressure resisting strength hose materials Charge hose Electronic balance for refrigerant charging Torque wrench nominal diam 1 2 5 8 Flare tool clutch type
22. temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing Flow meter Stop valve Nitrogen gas cylinder From Nitrogen cylinder m gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 9 FILE SVM 11015 4 CONSTRUCTION VIEWS 4 1 Indoor Unit 790 205 Air inlet Plasma purifier Air filter Front panel 275 487 Knock out system jt remote controller Knock out system O gt lt F Installation plate hanqer Drain hose 0 50m 0 35 0 40 5 Flared 6 35 Remote controller holder For 10 13 Series Flared 9 52mm For 16 Series Flared 12 7mm 84 5 621 84 5 Minimum Hanqer E 5 to ceiling 8 Z Minimum distance to wall 170 or more 9 m 160 5 04 5 Center line Installation plate outline 275 4 10 13 Flare 29 52 16 Flare 12 70 Flare 6 35 5 2 Electrical part Front leg B detail drawin FILE NO SVM 11015 5 11x14 hole R5 5 x 17L Ushape For 28 210 anchor bolt 2 600 or more gt 2 11x14 Hole For 8 10 anchor bolt 1 TE 2 Y OSHI BA esx Y SPA NA 2 lt lt X WW NS ZN VA gt V 125
23. w Borom right Jw Right Fig 10 3 10 O oem s Eo 9 D m Q O 5 E a A 1 Oo cc 52 ot OL FILE NO SVM 11015 m Die cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or side of thefront panel for the bottom left or right connection with a pair of nippers NO Changing drain hose For left connection left bottom connection and rear left connection s piping it is necessary to relocate the drain hose and drain cap How to remove the drain cap Clip drain cap with needle nose pliers and pull out sae Fig 10 3 11 How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then pull out the drain hose Heat insulator Drain hose Fig 10 3 12 How to attach the drain cap 1 Insert hexagonal wrench 4 mm 4mm Fig 10 3 13 54 2 Firmly insert drain cap No gap 42 I Do not apply lubricating oil refrigerant machine oil If applied deterioration and Insert a hexagon drain leakage of the drain wrench 24 Fig
24. 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge Pressure gauge Manifold valve Handle Hi Handle Lo O Gr Keep full closed Charge hose For R410A only Charge hose For R410A only Vacuum pump adapter for counter flow prevention 4 For R410A only Connecting pipe pump Packed valve at liquid side Service port Valve core Setting pin Fig 10 4 9 e KEEP IMPORTANT 5 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 5 Be save to fully open the packed valves before operation 10 4 2 Draining Water Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating operations is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall follow the steps below to drain off the water 1 Proceed with water proofing by installing the water
25. FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEAT REGISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CARE FUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PER SONNEL INJURIES INTHE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT WARNING Never modify this unit by removing any of the safety guards or bypass 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 After the installation work confirm that refrigerant gas does not leak refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate The electrical work must be performed by a qualified electrician in accordance with the Installation Manual M
26. Measure the resistance value of winding by using the tester Position Resistance value Gray White 43 to 490 Gray Orange 43 to 490 Red Yellow 43 to 490 Red Blue 43 to 490 Under 20 C Outdoor temperature sensor Disconnect the connector and measure resistance value with the tester TO discharge temperature Normal temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE TD TOTSTE ka 207 126 10 0 79 45 84 FILE NO SVM 11015 11 9 5 Checking Method for Each Part Partname 1 Electrolytic capacitor For boost smoothing Diode block Turn OFF the power supply breaker Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester E o is Case that product is good Pointer swings once and returns slowly When performing test once again under another MCC 5009 polarity the pointer should return Soldered surface o C12 C13 C14 500uF or 760uF 400V Heat sink IGBT side 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the PCB which is soldered in place 4 Use a
27. ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY ON OFF Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH e ECO e COMFORT SLEEP ON timer setup e QUIET OFF timer setup e PRESET Hi POWER e ONE TOUCH Indoor unit Signal receiving Indoor unit control Command signal generating function of indoor unit operation Calculation function temperature calculation Activation compensation function of indoor fan Cold draft preventive function Timer function Indoor heat exchanger release control Indoor unit control Indoor fan motor Louver motor Operation command Serial signal send receive Outdoor unit Serial signal send receive Outdoor unit control Inverter Frequency control of inverter output Outdoor unit control Waveform composite function Calculation function Compressor Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick heating function e Pulse Modulating valve Delay function of compressor reactivation P M V Current release function GIr over current preventive function Defrost operation function 24 FILE SVM 11015 1 Basic 2 Cooling Heating operation operation P The operations are performed in the following parts by controls according to cooling heating conditions 1 Receiving the operation ON signal of the
28. Release protective operation by temp up of the indoor heat exchanger or current release control 64 FILE SVM 11015 11 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 controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles 11 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 11 3 1 pid Block display Description for self diagnosis 2 Power failure when power is ON Indoor indication Flashing display 1 Hz lamp flashes OPERATION Green Which lamp Flashing display 5 Hz Protective circuit operation for indoor board does flash OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz NOTES 1 The contents of items B and C and a part of
29. and other settings to provide you alternate contact with ONE TOUCH OF THE BUTTON If you prefer other settings you can select from the many other operation functions of your Toshiba unit Press Start the operaton 2 AUTOMATIC OPERATION To automatically select cooling heating or fan only operation 1 Press Select A 2 Press tev Select the desired temperature we Press ran Select AUTO LOW LOW MED aa HIGH or Quiet 2 3 COOLING HEATING FAN ONLY OPERATION To automatically select cooling heating or fan only operation 1 Press Select Cool x Heat or Fan only 2 Press Set the desired temperature Cooling Min 17 C Heating Max 30 C Fan Only No temperature indication 3 Press Select AUTO LOW LOW MED sas or HIGH or Quiet Note QUIET is supper low fan speed for quiet operation 44 FILE NO SVM 11015 DRY OPERATION COOLING ONLY For dehumidification a moderate cooling performance is controlled automatically 1 Press Select Dry 2 Press Set the desired temperature AIR PURIFYING OPERATION RAS 10 13 16SKVR E Only During air conditioner operation Press PURE to start and air ionizer operation The plasma air purifier and air ionizer can be activated or deactivated during air conditioner is stopped and the air ionizer starts in conjunction with
30. at the bottom and the fixing E screws ST1TO4 10L 2 pcs used to IN By secure the motor base A lm The front cabinet is fitted into the side AR cabinet left at the front left side so W pull up the top of the front cabinet to remove it m Front cabinet 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the a Pj bottom plate Insert the claw of the side cabinet right into the square hole in the I front cabinet TE 3 Return the screws that were removed above to their original positions and 1 P 9 x Se Concave section 97 FILE NO SVM 11015 Perinat Pipetite Inverter assembly 1 Perform work of item 1 in 1 2 Remove screw 5711104 10L 2 pcs of the upper part of the front cabinet If removing the inverter cover in this condition P C board can be checked e f there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity b
31. between DC15 and 60V Inverter Assembly check 11 8 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a 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 Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit 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 A Refer to the chart in 11 6 Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off of TC sensor 76 FILE NO SVM 11015 11 6 Check Code 1C Miswiring in indoor outdoor units and 1E lt Check procedure gt Gas leakage Discharge temp error disconnection of TS TC sensors Check code 02 1C gas leakage Check code 03 1E Valve drive check Is coil of the pulse motor valve NO correctly set Set it correctly NO 15 connecter of coil connected to inverter Set it correctly Is positioning sound of valve sound h
32. condition No 5 still continues start the unit in the following condition e Set the operation mode to HEAT Set the preset temperature much higher than room tem perature Connect the motor connector to the motor and turn on the power supply Start the unit the following condition e Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Table 11 9 1 Check whether or not the fuse FO1 is blown Check power supply voltage Between No 1 and No 3 of CN23 AC 220 240V Between and of DC 310 340 Between 2 of C10 and output side of IC08 DC 15V Between 12V and GND Between 5V and GND Check power supply voltage 1 Between CN51 and No 1 of CNO1 DC 15 60 Check whether or not all indicators OPERATION TIMER FILTER PURE are lit for 3 seconds and they return to normal 3 seconds later 1 Check whether or not the com pressor operates 2 Check whether or not the OP ERATION indicator flashes Check whether or not the com pressor operates Check whether or not the OP ERATION indicator flashes Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals The motor does not operate or the fan motor does not rotate with high speed But it is possible to receive the signal from the remote controller The motor rotates but vibrates strongly
33. cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws 5712724 x 14L pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cover ST1T 4 x 10L pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward FILE NO SVM 11015 Remarks Valve cover These 2 bending parts shall be put inside of a unit by bending these 2 ports This part shall be put on the side cabinet Fit the corner of the water proof cover to the corner of the front cabinet This line shall be pavallel to the front cabinet This part shall cover the gap between the inverter box and the front cabinet How to mount the water proof cover FILE NO SVM 11015 No Part name Procedure Remarks Front cabinet 1 Detachment 1 Perform step 1 in D P Eu 2 Remove the fixing screws ST1T 4 x 10L SS 2 pcs used to secure the front cabinet SZ BOSSY and inverter cover the screws ST1T 4 2 5 3 iS 101 4 pcs used to secure the front HIE LEO cabinet
34. e Projection margin in flaring A Unit mm Rigid Clutch type Outer dia of R410A Conventional copper pipe tool used tool used 2 6 35 0to 0 5 1 0 to 1 5 29 52 0 to 0 5 1 0 to 1 5 212 7 0 to 0 5 1 0 to 1 5 Imperial Wing nut type Outer dia of A copper pipe R410A E 26 35 1 5 to 2 0 Die Pipe 29 52 1 5 to 2 0 Fig 10 4 5 Flaring size B Unit mm Fig 10 4 6 Outer dia of copper pipe In case of flaring for R410A with the conventional flare tool pull it out approx 0 5 mm more than that of R22 to adjust to the specified flare size The copper pipe gauge is useful for adjusting projection margin size Packed Valve handling precautions Open the valve stem all the way but do not try to open it beyond the stopper e Securely tighten the valve stem cap with torque in the following table Gas side 012 7 mm 50 to 62 Nem 5 0 to 6 2 kgfem Gas side 09 52 mm 33 to 42 Nem 3 3 to 4 2 kgfem Liquid side 06 35 mm 14 to 18 Nem 1 4 to 1 8 kgfem Service port 14 to 18 Nem 1 4 to 1 8 kgfem Fig 10 4 10 10 4 5 Wiring Connection 1 Remove the valve cover from the outdoor unit 2 Connect the connecting cable to the terminals as identified with their respective matched 3 When connecting the connecting cable to the outdoor unit terminals make a loop as shown in the installation diagram of indoor and outdoor unit to prevent water coming in the outdoor unit 4
35. for approx 3 seconds when a signal is received If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electrode with the human body Does the indoor fan rotate item Only indoor fan does not operate YES FILTER dear orange goon P the FILTER indicator Orange go on Replace the main P C board YES Does the PURE indicator go off within 2 seconds after YES To item How to check whether it was ON and does the FILTER the air purifier is good or not indicator Orange go on How to check output of minus ion Referring to the right figure check the lt Caution on High Voltage gt high voltage output of the air ionizer In this time peel the thermal insulator and attach x p A O it to the original position after check operation d NOTE high voltage gres Use an exclusive high voltage tester otherwise unit Y the tester may be broken NO 23 Does the electrode YES i output approx 6kV No trouble Electrode Replace the high voltage generator High voltage tester 75 FILE NO SVM 11015 11 8 How to Diagnose Trouble in Outdoor Unit 11 8 1 Summarized Inner Dia
36. in the event of power supply being accidentally shut down e When the unit is standby Not operating _ Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times The green indicator flashes and continues to operate for 5 seconds the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off RESET button e When the unit is in operation Low po Press RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds i The unit stops operating The green indicator is turned off J After approx three seconds The unit beeps three times The green indicator flashes for 5 seconds the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on RESET button e While the filter check indicator is the RESET button has the function of filter reset betton 42 FILE SVM 11015 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit rec
37. item E are displayed when air conditioner operates 2 When item and and item and a part of item occur concurrently priority is given to the block of item 3 The check codes can be confirmed on the remote controller for servicing FILE NO SVM 11015 11 4 Self Diagnosis by Remote Controller Check Code 1 Ifthe lamps are indicated as shown B to E in Table 11 4 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condition and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes 5Hz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode TOSHIBA ABIGAzO ex ones 0 08 LUI O QR POWER ECO MODE SWING ONE TOUCH FIX ECO POWER COMFORT SLEEP J power se Alphanumeric characters are used for the check codes ass Is 5 IS is 7 Li L Li I LI is 6 is B is D Press CHECK button with a tip
38. plasma air purifier operation Note The FILTER indicator orange turns on after PURE operation is performed for about 1000 hours Hi POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating operation except in DRY and FAN ONLY mode Press Start and stop the operation ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press Start and stop the operation Note Cooling operation the set temperature will increase automatically 1 degree hour for 2 hours maximum 2 degrees increase For heating operation the set temperature will decrease TEMPORARY OPERATION In case of the misplaced or discharged remote control Pressing the RESET button the unit can start or stop 9 without using the remote control X e Operation mode is set on AUTOMATIC operation preset temperature is 24 C and fan operation is automatic speed TIMER OPERATION Setting the ON Timer Setting the OFF Timer 1 Press ON for enter ON timer setting Press LOE for enter OFF timer setting 5 Press ES select desired ON Press CUR fo select desired OFF T timer ZJ timer 3 Press for set timer Press LEU for set timer 4 Press C4 for cancel timer Press for cancel timer Daily timer allows the user to set both
39. refrigerant To prevent mischarging the diameter of the service port differs from that of R22 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur When installing or removing an air conditioner do not allow air or moisture to remain in the refrig eration cycle Otherwise pressure in the refrig eration cycle may become abnormally high so that a rupture or personal injury may be caused 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 te
40. remote controller the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse Modulating valve and 4 way valve according to the operation signal sent from the indoor unit Operation ON Setup of remote controller Indoor unit control Indoor fan motor control Louver control Operation Hz Control Requierment sending of operation command signal Compressor revolution control Outdoor fan motor control Operation Hz control Include limit control Outdoor unit control 4 way valve control In cooling operation ON In heating operation OFF Pulse Modulating valve control AUTO operation 1 Detects the room temperature Ta when Selection of operation mode the operation started As shown in the following figure the operation starts by 2 Selects an operation mode from Ta in selecting automatically the status of room temperature the left figure Ta when starting AUTO operation 3 Fan operation continues until an 1 When reselecting the operation mode the fan operation mode is selected speed is controlled by the previous operation mode 4 When AUTO operation has started within 2 hours after heating operation
41. selector switches Remote control A or B Selection When two indoor units are installed in the same room or adjacent two rooms if operating a unit two units may receive the remote control signal simultaneously and operate In this case the operation can be preserved by setting either one indoor unit or remote control to B setting Both are set to A setting in factory shipment The remote control signal is not received when the settings of indoor unit and remote control are different There is no relation between A setting B setting and room B room when connecting the piping and cables Remote Control A B Selection To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly the remote control signal simultaneously and operate In this Remote Control B Setup 1 2 3 4 Press RESET button on the indoor unit to turn the air conditioner ON Point the remote control at the indoor unit Push and hold button on the Remote Control by the tip of the pencil 00 will be shown on the display Press MODE during pushing CHK B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Note 1 Repeat above step to reset Remote Control to be A 2 Remote Control A have not A display 3 Detault setting of Remote Control from factory is A TOSHIBA TOSHIBA mm LIL
42. sensor at the top of the display unit TC sensor Fan motor 7 Remove the fixing screw that secures the Earth Screw connector electric parts box assembly and remove the assembly gt Fixing screw AC fan motor connector Louver motor connecto lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom FILE NO SVM 11015 D _ Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Evaporator 1 Follow to the procedure in the item exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger id TM Ef 4 Remove one fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body 5 Remove right side of the end plate from two fixing rib while sliding slightly the heat exchang
43. stopped and if the room temperature is 20 C or more the fan operation is Cooling operation performed with Super Ultra LOW mode for 3 minutes Then select an operation mode 5 If the status of compressor OFF continues for 15 minutes the room Heating operation temperature after selecting an operation mode COOL HEAT reselect an operation mode Ta Monitoring Fan DRY operation 1 Detects the room temperature Ta when DRY operation is performed according to the difference the DRY operation started between room temperature and the setup temperature as 2 Starts operation under conditions in the shown below left figure according to the temperature In DRY operation fan speed is controlled in order to difference between the room tempera prevent lowering of the room temperature and to avoid air ture and the setup temperature Tsc flow from blowing directly to persons Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor Fan speed 95 FILE SVM 11015 2 Indoor fan motor control In cooling operation gt This operation controls the fan speed at indoor unit side The indoor fan cross flow fan is operated by the phase control induction motor The fan rotates in 5 stages in MANUAL mode and in 5 stages in AUTO mode respec tively Table 1 COOL ON F
44. unit controller locked 4 According to each operation 1 Outdoor unit mode by the conditions of operation command outdoor temperature To and Outdoor fan control compressor revolution the speed of the outdoor fan shown in the table is selected 2 Fanspeed gt 400 YES OFF status of when the motor stopped fan motor continues NO Fan motor ON YES Air conditioner Alarm NO 4 Motor operates as shown in the table below In cooling operation In Heating operation To During During lt 5 5 C Outdoor fan speed rpm RAS 10SAVP2 E RAS 13SAVP2 E RAS 16SAVP2 E RAS 10SAVP2 E RAS 13SAVP2 E RAS 16SAVP2 E 650 700 700 800 800 800 98 FILE SVM 11015 x tem Operation flow and applicable data etc Description 4 Capacity The cooling or heating capacity depending on the load is 1 The difference between set control adjusted temperature on remote controller According to difference between the setup value of tempera Ts and room temperature Ta ture and the room temperature the capacity is adjusted by is calculated the compressor revolution 2 According to the temperature difference the correction value of Remote controller Indoor unit Hz signal which determines the Set temp Ts Room temp Ta compressor speen is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on fi en of th
45. 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 composi tion of the charged refrigerant changes and the characteristics of the equipment varies Fig 3 4 3 5 Brazing of Pipes 3 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 Phosphor bronze brazing filler is generally used to 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 co Cylinder without siphon Gauge manifold OUTDOOR unit Jepui Ao 1 Electronic balance Siphon 2 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 coat the surface with a paint When performing brazing again at time of servicing use the same type of brazing filler 3 5 2 Flux
46. 0 minutes passed It is the safety measures considering an incom restart the purifier and an error is plete drain when electric dust collector has been judged again cleaned with water 12 Discharge temperature control Purpose This function detects error on the refrigerating cycle or error on the com Judges as an error and stops the compressor pressor and performs protective control Td value Control operation 117 C 112 C eee Reduce slowly compressor speed e Control of the compressor speed The speed control is performed as 105 C Ree G described in the left table based upon If the operation is performed with lower speed than one the discharge temperature commanded by the serial signal is slowly raised up to the commanded speed Reduce the compressor speed Operation Operates with soeed commanded by the serial signal FILE SVM 11015 13 Pulse This function controls throttle amount of the 1 When starting the operation move the Modulating refrigerant in the refrigerating cycle valve once until it fits to the stopper valve P M V According to operating status of the air conditioner Initialize control this function also controls the open degree of valve In this time Click sound may be with an expansion valve with pulse Modulation heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces Starting up sively up adj
47. 10 3 14 How to attach drain hose Always use the original screw that secured the drain hose to the unit If using a different screw may cause water to leak Insert the drain hose firmly until the connector contacts with the insulation then secure it in place using the original screw CAUTION Securely insert the drain hose and drain cap otherwise water may leak In case of right or left piping After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 15 In case of bottom right or bottom left piping e After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Fig 10 3 16 when inserting the drain cap FILE NO SVM 11015 Left hand connection with piping Bend the connecting pipes so that they are posi tioned within 43 mm above the wall surface If the connecting pipes are positioned more than 43 mm above the wall surface the indoor unit may be unstable When bending the connecting pipe make sure to use a spring bender to avoid crushing the pipe Refer to the table below for the bending radius of each connection pipe Outer diameter Bending radius To connect the pipe after installation of the unit figure To the front flare Gas side R30 or less 26 35 R40 or less 09 52 R50 or less 012 7 Use polishing polyeth
48. 3 Phase output of inverter P C board 150 270 at the connecting lead wire of compressor If 3 Phase output is abnormal replace inverter P C Board If 3 Phase output is normal replace compressor lock rotor etc Remove connecting lead wire of the compressor and operate again If outdoor fan does not operate or operation but stop after some period replace the inverter P C board If outdoor fan operates normally measure resistance of compressor winding If circuit is shortage replace the compressor Even if trying to operate again all operations stop replace inverter P C board Check sensors TE TS and connection In case of the sensors and its connection is normal check the inverter P C board Check sensors TD and connection In case of the sensor and its connection is normal check the inverter P C board Check the motor measure winding resistance shortage or lock rotor Check the inverter P C board Check sensors TO and connection In case of the sensor and its connection is normal check the inverter P C board FILE NO SVM 11015 1 Block distinction Operation of diagnosis function ene Block cnet Cause of operation Display flashing drive output error All OFF Flashes after 1 Check installation conditions such as Relation of volta
49. 7 mm Plasma air purifier 3 Tighten two screws e Incomplete hanging or incomplete pressing may cause dewdrops or generation of a fluttering sound FILE NO SVM 11015 Dy roca E High voltage generator 1 Follow to the procedure in the item 2 To remove the air ionizer from the back body pull it toward you 3 Disconnect the connectors of the high voltage generator 4 Remove the fixing screws 2 pcs and remove the high voltage generator from the evaporator lt How to assemble the high voltage generator gt 1 Insert the high voltage generator straight into the evaporator voltage generator from the evaporator 2 Secure it using the fixing screws 2 pcs 3 Connect the connectors of the high voltage generat 4 Attach the air ionizer to the back body 2 Screws Cnet whether it i C 1f insepted FILE NO SVM 11015 1 GEE __ Electric parts 1 Follow the procedure up to 3 in above box assembly 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector for the fan motor and connec tor for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Pull out Tcj sensor and clip from piping of the evaporator 6 Disengage the display unit by simply pushing Electric part box cover Tej
50. AND PARTS LIST 105 FILE SVM 11015 1 SAFETY PRECAUTIONS For general public use Power supply cord of outdoor unit shall be more than 1 5 mm HO7RN F 602451 66 polychloroprene sheathed flexible cord Read this SAFETY PRECAUTIONS carefully before servicing The precautions described below include the important items regarding safety Observe them without fail After the servicing work perform a trial operation to check for any problem Turn off the main power supply switch or breaker before the unit maintenance CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils because the working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with the adoption of the new refrigerant the refrigeration machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units A
51. ER SENSOR HOLDER SENSOR HOLDER SENSOR FIN GUARD FILE NO SVM 11015 13 4 P C Board Layout RAS 10SAVP2 E 706 0 Sensor 026 TS Sensor 026 TD Sensor 4 Sensor 06 Location Location Description Description 43762320 HEATSINK 43T60377 TEMPERATURE SENSOR 43T69917 PC BOARD 43T50304 SENSOR HEAT EXCHANGER 43T60392 TERMINAL SP 43T62313 BASE PLATE PC 43T60326 FUSE 108 FILE NO SVM 11015 13 5 P C Board Layout RAS 13SAVP2 E RAS 16SAVP2 E 706 u TE Sensor 06 TS Sensor 06 TD Sensor 04 Sensor 26 Location Location Description Description 43T62331 HEATSINK 43T60326 FUSE 43T69918 PC BOARD FOR RAS 13SAVP2 E 43T60377 TEMPERATURE SENSOR 43T69919 PC BOARD FOR RAS 16SAVP2 E 43150304 SENSOR HEAT EXCHANGER 43T60392 TERMINAL 5P 43T62313 BASE PLATE PC 109 TOSHIBA CARRIER THAILAND CO LTD 144 9 5 BANGKADI INDUSTRIAL PARK ROAD TAM BOL BANGKADI AMPHUR MUANG 12000 THAILAND
52. FILE NO SVM 110015 1 Operation of diagnosis function Check Check AIT Display flashing Action and Judgment Cause of operation conditioner code code statis error Serial signal he 1 Defective wiring of the Indoor unit Flashes when 1 to 3 The outdoor unit never L I and connecting L I connecting cable or operates error is detected operate cable miss wiring continue Flashing stop Check connecting cable and correct 2 Operation signal has not Outdoor unit land outdoor unit if defective wiring send from the indoor unit stop start to operate Check 25A fuse of inverter board when operation start when the return Check 3 15A fuse of inverter 3 Outdoor unit has not signal from the P C board send return signal to the outdoor unit 18 Check operation signal of the indoor indoor unit when operation normal unit by using diode Measure voltage started at terminal block of the indoor unit 4 Return signal from the between No 2 and No 3 or L2 and S outdoor unit is stop during If signal is varied 15 60V continuously operation replace inverter P C board Some protector If signal is not varied replace indoor hardware if exist of the P C board outdoor unit open 4 The outdoor unit abnormal stop at circuit of signal some time Signal circuit of indoor f the other check codes are found P C board or outdoor concurrently check them together P C board is failure Check protector hardware such
53. FILE NO SVM 11015 1 TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT TYPE Indoor Unit Outdoor Unit lt High Wall Heat Pump Type lt Heat Pump gt 5 105 2 RAS 10SAVP2 E RAS 13SKVP2 E RAS 13SAVP2 E RAS 16SKVP2 E RAS 16SAVP2 E N SS 521 Hw Revised March 2011 10 11 12 13 FILE NO SVM 11015 1 CONTENTS SAFETY PRECAUTIONS 22 ul uuu Susu 2 SPECIFICATIONS 4 REFRIGERANT R410A J 6 CONSTRUC FION VIEWS 14 WIRING DIAGRAM 16 SPECIFICATIONS OF ELECTRICAL 17 REFRIGERANT CYCLE DIAGRAM 18 CONTROL BLOCK DIAGRANMN 20 OPERATION DESCRIPTIOLN 22 INSTALLATION PROCEDURE 48 HOW TO DIAGNOSE THE TROUBLE 62 HOW TO REPLACE THE MAIN 5 87 EXPLODED VIEWS
54. HOOALNO ZHO9 AOEG ZHOS A O0frc 0cc INVHSVIG A90 Td 2 2 LINN HOOQNI 104 921 FILE SVM 11015 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses AC or DC motor for the indoor for motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 11 to 96 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 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 controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse Modulating valve Besides detecting revolution position of the compres sor 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 co
55. Is it possible to detect DC 15V Then push START STOP button ud Qo of on remote controller to stop motor connector flashing lamp on indoor unit YES Is it possible to detect DC 15V between 4 eplace main and 3 of motor C board connector CN31 Change airflow level to HIGH Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN31 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more Is it possible to NO change airflow level x between 5 and 3 2 of motor connector CNS YES Check this condition within 15 seconds after starting unit Is it possible to rotate cross flow fan by hand properly Peplace bearing 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 5 3 and 3 G of motor connector CN31 Fan motor operates normally YES 78 2 FILE SVM 11015 4 Indoor fan motor automatically starts to rotate by turning on power supply For DC fan motor lt Cause gt The IC is built in the ind
56. LE DIAGRAM 7 1 Refrigerant Cycle Diagram Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Thickness 0 8mm Outer dia 9 52mm 10 13 12 7mm 16 INDOOR UNIT Temp measurement s r Indoor heat exchanger of heat insulator C ES C REUS en m Max 25m d Min 2m Deoxidized copper pipe Bi zz 9 8 Chargeless 15m Thickness oe Charge 20g m Thickness 0 8mm 52 16 to 25m Sectional shape lt x 4 xX m a x Uh at E a aW Ol Muffler Muffler A Strainer 4 way valve Muff Pulse Modulating valve at liquid side Lj Compressor DA111A1F 20F1 Q TS Outdoor heat 1 2 80 PZ 012x80 4 Temp measurement CJ v5 Propeller fan Refrigerant amount OUTDOOR UNIT NOTE Ni Gas leak check position NOTE Refrigerant flow Cooling Refrigerant flow Heating e The maximum pipe length of this air conditioner is 25 m When the pipe length exceeds 15m the additional charging of refrigerant 20g per 1m for the part of pipe exceeded 15m is required Max 200g 43 FILE NO SVM 11015 7 2 Operation Data Cooling Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition C RAS pressure pipe temp fan mode f
57. P C Board If 3 Phase output is normal measure resistance of compressor winding If winding is shortage replace the compressor Discharge temperature All OFF Flashes after Check sensors TD exceeded 117 C error is detected Check refrigerant amount 4 times 3 Check P M V by measure the resistance of the coil and confirm its operation sound of initial operation etc Observe any possibility cause which may affect high temperature of compressor IE Compressor is high current All OFF Flashes after 1 Check installation conditions such as though operation Hz is error is detected packed valve opening refrigerant decreased to minimum limit 4 times amount and power supply rate 10 Installation problem both of operation and non operation Instantaneous power condition failure 2 Check P M V by measure the Refrigeration cycle resistance of the coil and confirm its problem operation sound of initial Compressor break down operation etc Observe any possibility cause which may affect high current of compressor 2 and 3 are normal replace compressor 4 times When first error is detected error is count as 1 time then once operation is stop and re started After re starting operation within 6 minutes if same error is detected error count is add count become 2 times When error count comes 4 times record error to check code But after re starting operation if no error
58. Wr Uwe Do not enter flux into the refrigeration cycle When chlorine contained in flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine 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 11015 3 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 N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto 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 2kgf 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
59. ain pan Therefore do not locate the power cord and other parts at a high place than the drain guide Wall Drain guide opace for pipes Fig 10 3 23 10 4 Outdoor 10 4 1 Installation Place A place which provides enough space around the outdoor unit as shown in the diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration A place where the operation noise and discharged air do not disturb neighbors A place which is not exposed to a strong wind A place free of combustible gases A place which does not block a passageway When the outdoor unit is to be installed in an elevated position be sure to secure its feet This air conditioner accepts a connection piping length of up to 25 m There is no need to add refrigerant as long as the length of the connection piping is 15 m or less You will need to add 20 g of refrigerant per meter of added connection piping for installations requiring connection piping to be between 16 m to 25 m An allowable height level is up to 10 m A place where the drain water does not cause any problems FILE NO SVM 11015 Precautions for adding refrigerant Use a scale having a precision with at least 10 g per index line when adding the refrigerant Do not use a bathroom scale or similar instrument Use liquid refrigerant when refilling the refrigerant Since the refrigerant is in liquid form it can f
60. ake sure the air conditioner uses an exclusive circuit An insufficient circuit capacity or inappropriate installation may cause fire When wiring use the specified cables and connect the terminals securely to prevent external forces applied to the cable from affecting the terminals Be sure to provide grounding Do not connect ground wires to gas pipes water pipes lightning rods or ground wires for telephone cables Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock CAUTION Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water 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 noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit For Reference If a heating operation would be continuously performed for a long time under the condition that the outdoor temperature is 0 C or lower drainage of defrosted water may be difficult due to freezing of the bottom plate resulting in a trouble of the cabinet or fan
61. an mode revolution indoor Outdoor P MPa azna os lt Heating gt Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition C RAS pressure pipe temp fan mode fan mode revolution Outdoor P MPa T1 C T2 C rps NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 5 m edu FILE SVM 11015 8 CONTROL BLOCK DIAGRAM 8 1 Indoor Unit Indoor Unit Control Unit Heat Exchanger Sensor Tcj Heat Exchanger Sensor Room Temperature Sensor Ta gt Indoor Fan Infrared Rays Signal Receiver and Indication Processing Motor Control Initializing Circuit Temperature Processing e Timer Indoor Clock Frequency Fan Motor Oscillator Circuit Serial Signal Communication ennn l1 t 1 dane D C circu D C circuit Micro Switch I Noise Filter Serial Signal Transmitter Receiver Cold draft preventing Function I Louver Motor Louver Motor Drive Control 3 minute Delay at Restart for Compressor Fan Motor Starting Control From Outdoor Unit 220 240V 50Hz Serial Signal Communication 220 230V 60Hz Operation Command and Information Hemote Controller Infrared Rays 36 7kHz REMOTE CONTROLLER m Operation 5 Operation Mode Selection a AUTO COOL DRY HEAT E The
62. an speed setup MANUAL Fig 1 D bka w Lo 6 L L 2 w 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M x 1 4 L Linear approximation from M and L Table 1 Indoor fan air flow rate RAS 10SKVP2 E Symbols Ultra High High Medium Medium Low Low Low Ultra Low Super Ultra Low The fan speed broadly varies due to position of the louver etc The described value indicates one under condition of inclining downward blowing 1 When setting the fan speed to L L M M H or Quiet on the remote controller the operation is performed with the constant speed shown in Fig 1 2 When setting the fan speed to AUTO on the remote controller revolution of the fan motor is controlled to the fan speed level shown in Fig 2 and Table 1 according to the setup tempera ture room temperature and heat exchanger temperature RAS 16SKVP2 E Fan speed HEAT DRY rpm m3 h rpm m3 h rpm m3 h WF UH 707 731 756 1470 707 1470 657 1400 626 1350 534 1200 440 1050 409 1000 316 850 290 800 290 800 253 750 222 700 191 650 129 520 129 500 1510 1510 1450 1400 1250 1100 1050 900 850 850 800 750 700 620 520 FILE NO SVM 11015 1 2 Indoor fan lt In heating operation gt 1 When setting the fan speed to L motor control L M M H or Quiet on the rem
63. arrow OA Be sure to remove the connector by holding the connector not by pulling the lead wire FILE NO SVM 11015 1 ee Control board 1 Disconnect the leads and connectors connected to assembly the other parts from the control board assembly 1 Leads e 3 leads black white orange connected to terminal block Lead connected to compressor em XS m Disconnect the connector 3P Lead connected to reactor Disconnect the two connectors 2P 2 Connectors x8 CN300 Outdoor fan motor 3P white See Note CN300 CN701 CN703 CN600 CN701 4 way valve 2P yellow and CN603 are connectors with CN600 TE sensor white locking mechanisms as such to disconnect them they must CN700 PMV 6P white be pressed in the direction of CN603 TS sensor 3P white the arrow while pulling them CN601 TD sensor 3P white out CN602 TO sensor 2P white CN703 Heater 2P White Co C CN601 CN600 CN701 CN703 These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected board base Remove the heat sink and control board assembly while keeping them screwed together 2 Remove the control board assembly from the P C m P C board base P C board Disengage the four claws of the P C board base hold the heat sink and lift to remove it 3 Remove the two fixing scre
64. ccordingly special tools are required for the new refrigerant R410A units For connecting pipes use new and clean piping materials with high pressure fittings made for R410A only so that water and or dust does not enter Moreover do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing piping CAUTION TO DISCONNECT THE APPLIANCE FROM THE MAIN POWER SUPPLY This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3 mm DANGER ASK AN AUTHORIZED DEALER OR QUALIFIED INSTALLATION PROFESSIONAL TO IN STALL MAINTAIN THE AIR CONDITIONER INAPPROPRIATE SERVICING MAY RESULT IN WATER LEAKAGE ELECTRIC SHOCK OR FIRE e 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 DANGER HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand e CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCOR RECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED e CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE SERVICE AND INSTALLATION FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK FILE NO SVM 11015 DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS
65. chnician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable 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 contaminants 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 pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market FILE NO SVM 11015 Table 3 2 1 Thicknesses of annealed copper pipes 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 u
66. d copper pipe have been cleaned By means of the clamp bar perform the flare A processing correctly Use either a flare tool for R410A or conven 7 ional f tional flare tool Z Flare processing dimensions differ according to the type of flare tool When using L gt ventional flare tool be sure to secure dimen sion by using a gauge for size adjustment Fig 3 2 1 Flare processing dimensions Nominal diameter Nominal diameter Nominal diameter Table 3 2 3 Dimensions related to flare processing for R410A Outer poi Flare tool for R410A clutch type Outer Thickness diameter mm Flare tool for R22 mm clutch type Wing nut type Outer diameter Thickness Flare nut width mm mm mm FILE NO SVM 11015 Table 3 2 6 Flare and flare nut dimensions for R22 Dimension mm Nominal Outer diameter Thickness Flare nut width diameter mm mm D mm eee m m ss ols o 2 o wm Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis 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 l
67. defrost system lt Defrost operation gt Defrost operation in A to zones Start of heating operation 1 Stop operation of the compressor for 20 seconds 2 Invert ON 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan 2740 34 Operation time Minute lt Finish of defrost operation gt e Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes DO eae Outdoor heat exchanger temperature The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory Table 1 When TeO TE gt 2 5 continued for 2 minutes in A zone defrost operation starts Bane When the operation continued for 2 minutes in B zone defrost operation starts lt Returning from defrost operation gt 1 Stop operation of the compressor for approx 50 seconds 2 Invert OFF 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts Bonn When TE 3 continued for 2 minutes in C zone ee defrost operation starts
68. dia holes in the wall Insert clip anchors for the 7 mounting screws NOTE e Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it FILE NO SVM 11015 10 3 3 Electrical Work 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare a power source for the exclusive use of the air conditioner NOTE e Wire type More than HO7RN F or 245 IEC66 1 5 or more CAUTION This appliance can be connected to a main circuit breaker in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which discon nects all poles and has a contact separa tion of at least 3 mm must be incorporated in the fixed wiring An approved circuit breaker or switch must be used Connection with power supply plug Attach power supply plug with power cord and plug it into wall outlet An approved power supply cord and plug must be used NOTE e Perform wiring works so as to allow a general wiring Capacity 10 3 4 Wiring Connection How to connect the connecting cable Wiring the connecting cable can be carried out without removing the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 3 Insert the connecting cable or as according to local regulations codes into the pipe hole on the wa
69. e Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem Flange nut 100 FILE NO SVM 11015 Prone Compressor 1 Perform work of item 1 of D 0 OF 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 101 4 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor from the terminal 6 Remove pipe connected to the compressor Partition with a burner Take care to keep the 4 way valve away lt ASS gt from naked flames Otherwise it may DN malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger 5171104 10L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x 10L 2 pcs 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fixing the compres sor to the bottom plate Reactor 1 Perform work of item 1 of 2 and 2 Remove screws fixing the reactors ST1T 4 x 101 4 pcs 101
70. e caused by a symptom such as the build up of dirt has been detected while the air purifier is ON 4 When the electric dust collector has not been installed correctly Trouble case 2 or 3 is deemed to have occurred when the action concerned continues for more than one second Operation The sequence that FILTER indicator is Filter lamp ON Error input 5 times turned on are described in the left VES flowchart 1 When 1000H timer counts up the Purifier power OFF Purifier power OFF FILTER indicator keeps lighting even if the operation is stopped by the remote controller e e The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESET button on 1 Reset by RESET button the indoor unit or a power failure 2 Reset by RESET button or by the stop direction FILTER indicator goes off from the remote controller 2 A trouble detected within 1 minute When the breaker is turned ON In restart time after activation of the air is immedi after power failure or RESET button is pressed ately judged as an error and the while the FILTER indicator is turned on the air FILTER indicator goes on purifier is not turned on until the integrated 3 In case that 1 minute passed after operation time of the indoor fan exceeds 1 hour activation of the purifier the purifier is after operation start It is nor the air purifier turned off while the PURE indicator operation time keeps ON After 1
71. e compressor 4 According to the difference Correction of Hz signal resulted from comparison of the correction value of Hz signal with Detection of electromotive force the present operation Hz the of compressor motor winding Inverter output and the commuta tion timing are varied 5 Change the compressor motor Detection of motor speed and rotor position speed by outputting power to the compressor Correction value of Hz signal lt Operating Hz The contents of control operation are same in cooling operation and heating Inverter output change operation Commutation timing change Change of compressor speed 5 Current release This function prevents troubles on the electronic parts of the 1 The input current of the outdoor control compressor driving inverter unit is detected in the inverter This function also controls drive circuit of the compressor section of the outdoor unit speed so that electric power of the compressor drive circuit 2 According to the detected does not exceed the specified value outdoor temperature the specifice value of the current is Outdoor unit inverter main Outdoor temp To selected circuit control current 3 Whether the current value exceeds the specifice value or Setup of current release point not is judged 4 If the current value exceeds the specified value this function High lt gs o Reduce compressor speed reduces the compressor speed and controls
72. eakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values 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 Table 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market 141018 140 o 180 16 160 18 180 Nominal Outer diameter Tightening torque diameter mm 33 to 42 830 10 420 42 620 12 70 50 to 62 500 to 620 55 550 15 88 63 to 77 630 to 770 65 650 FILE NO SVM 11015 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air water heat pump 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 812 7 copper pipe of the refrigerant piping are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation 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 con
73. eed M L x 3 4 L Tee A is 24 and when Tsc lt 24 is Tsc Calculated with linear approximation from M and L Fig 5 Fig 6 In starting and in stability EE Until 12 minutes passed after operation start e When 12 to 25 minutes passed after operation start FAN AUTO When 12 to 25 minutes passed after operation start and room temp is 3 or lower than set temp and room temp is higher than set temp 3 C e When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 C e Room temp gt Set temp 3 5 Lu FILE SVM 11015 3 Outdoor fan The blowing air volume at the outdoor unit side is controlled 1 The operation command sent motor control Receiving the operation command from the controller of from the remote controller is indoor unit the controller of outdoor unit controls fan speed processed by the indoor unit For the fan motor a DC motor with non stage variable controller and transferred to the speed system is used However it is limited to 8 stages for Controller of the outdoor unit reasons of controlling 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is Air conditioner ON Remote controller Indoor
74. eives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off e When the system is on stand by not operating Press RESET button for more than three seconds Less than 10 seconds RESET button e When the system is operating The unit is on standby The unit starts to operate The green indicator is on 4 After approx three seconds The unit beeps three times and continues to operate If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off Press RESET button for more than three seconds Less than 10 seconds RESET button The unit is in operation The green indicator is on 2 The unit stops operating The green indicator is turned off V After approx three seconds The unit beeps three times If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 9 3 3 Power Failure During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is can celled In that case set the timer operation again NOTE The Everyday Timer is reset wh
75. er is defective board Replace fan motor Be sure to disconnect the motor connector CN31 after shut off the power supply or it will be a cause of damage of the motor 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash NO Is wired correctly to white and M black lead wires of terminal block YES M lm Correct wiring To item of Power supply is not turned on FILE NO SVM 11015 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage 220 240 between 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 10 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 Does indoor fan operate Is it possible to detect DC 1V or more between NO and of motor 2155 CN31 Bree d YES Is it possible to detect DC 310 340 between and 3 of motor connector CN31 m Turn off indoor unit and remove Motor connection condition connector from motor
76. er rightward Rib on the right side of the end plate FILE NO SVM 11015 Pera G Bearing 1 Follow to the procedure in the 9 2 Remove the two screws used to secure the bearing base Two 3 Remove the bearing base Caution at assembling TH If the bearing is out from the housing push it J Nr into the specified position and then incorporate 7 V LL itin the main body 7 x Bearing base 92 FILE NO SVM 11015 CANE poen mee D Fan motor 1 Follow to the procedure till item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor cover and them remove the motor cover 4 Remove two more fixing screws of the motor band and remove the motor band Set screw Two Screws Two screws on motor band Motor cover 5 Pull the fan motor outward i FILE NO SVM 11015 Pampana IT EN NN Cross flow fan Caution at reassembling 1 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 70 5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of
77. erforms in cooling operation including automatic cooling or dry operation it will change to heating operation 46 FILE NO SVM 11015 1 9 4 3 Name and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pressing the button 1 Transmission mark This transmission mark A indicates when the remote controller transmits signals to the indoor unit 2 Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control zx Cool Dry X Heat 3 Temperature indicator Indicates the temperature setting 17 C to 30 C 4 pure indicator Shows that the electrical air purifying operation is progress 5 FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW _ LOW MED um HIGH _ be shown Indicates AUTO when the operating mode is either AUTO or Dry 10 1 11 5 13 DON PM OL LI 14 AMI DD PM LJ co 8 POWER Hi POWER i 6 TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation f indicator Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it again
78. g a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1 Indoor Unit Pampana poen m Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters Hemove the plasma air purifier 87 FILE NO SVM 11015 rosea Mme Front panel Press PUSH part under the front panel p remove hooks of the front panel from the installation plate Installation plate Front panel Remove the front panel fixing screws E pcs Take off three hooks of panel from rear side 2 Screws Three hooks How to assemble the front panel Press three center positions and two lower center positions of the air outlet and e hang the hanging hooks 3 pcs at the top side of the front panel to the rear 5 Insert the plasma air purifier in the plasma air parifier until the protrusions on both sides are completely inserted into the holders If installation is incomplete the FILTER indicator orange may light Holder N Protrusion
79. ge current error is detected packed valve opening refrigerant and frequency is abnormal 4 times amount and power supply rate 10 Overloading operation of both of operation and non operation compressor caused by condition over charge refrigerant 2 Check P M V by measure the P M V failure etc resistance of the coil and confirm its Compressor failure High operation sound of initial current operation etc 3 Observe any possibility cause which may affect operation load of compressor 4 Operate again If compressor operation is failure when 20 seconds passed count time from operation starting of compressor replace compressor 4 times When first error is detected error is count as 1 time then once operation is stop and re started After re starting operation within 6 minutes if same error is detected error count is add count become 2 times When error count comes 4 times record error to check code But after re starting operation if no error is detected and air conditioner can operate more than 6 minutes error count is cleared The others Return signal of the outdoor Indoor unit Flashes when 1 Check power supply Rate 1090 including unit has been sent when operates error is detected 2 If the air conditioner repeat operates compressor operation start But after continue Flashing stop and stop with interval of approx 10 that signal is stop some time Outdoor unit land outdoor unit to 40 minute
80. gerant For refrigerant charging see the figure below Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle 1 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 3 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 Outdoor unit Refrigerant cylinder with Check valve Opened Open close valve for sad Service port Electronic balance for charging Fig 3 4 1 Configuration of refrigerant charging xd FILE NO SVM 11015 1 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 lt 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
81. gnosis of Inverter Assembly Table 11 8 1 Preparation Remove connector of compressor Check 25A fuse Part No F01 OK NG Replace fuse Check electrolytic capacitor diode block 1 etc Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DBO1 2 Operation Does outdoor fan rotate Measure ment Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Check Stop Check Measure ment Replace outdoor fan motor Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor e Check whether 25A fuse on the control board assembly is blown or not FO1 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal voltage of the electrolytic capacity 500uF 400WV x 3 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electro lytic capacitor by soldering iron Check voltage between motor phases Is not winding between Q G or 0 opened or short circuited s not frame grounded with QD If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of t
82. h th inah R automatically ioi The air condition can shut down by itself pressing to select the hours auiomatieally 1hr 3hr Shr or 9hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode 1 Comfort sleep mode will not operate in dry mode and fan only mode Remarks Heating mode e The preset temperature will drop down as show on ECO operation Item No 9 Press the COMFORT SLEEP button to choose the operating hours Repeat pressing to setect thehours 1hr 3hr Shr or 9 hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode 18 Short Timer In the normal condition after switching one circuit Purpose breaker 3 minute delay time for compressor and To start the unit immediately for the purpose of 1 hour for plasma air purifier are set for the testing trial etc short timer can be used maintenance of the unit maintenance of the unit Short Timer Setting TOSHIBA D Press D button to turn the unit OFF oars OE Set the operation mode or plasma air rsa purifier on the remote control without sending the signal to the unit Use the tip of the pencil to push the CHK button and hold 00 will show on display them press SET button to make 00 disappear Press 1 button to turn the unit ON When short timer is activated all
83. he electro lytic capacitor 5001 or 760uF of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering OK if 500uF or 760uF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55 to 770 Should be 10MQ or more FILE NO SVM 11015 Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester Replace control 5 not grounded OK if 10MQ or more board assembly e Is not short circuited OK if 0 519 0 570 between windings Check by a digital tester Check compressor e Winding is not opened winding resistance Operation Remove connector CN300 of the outdoor fan motor turn on the power supply breaker Replace Replace and perform the operation control board compressor Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped 11 9 How to Check Simply the Main Parts 11 9 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 power supply breaker 2 When removing the board hold the edge of the P C board and not apply force to the parts 3 When connecting or disconnecting the connecto
84. he following equipments which serve also for R22 are necessary as the general tools Vacuum pump Reamer 9 Hole core drill 065 Use vacuum pump by attaching Pipe bender 10 Hexagon wrench vacuum pump adapter Opposite side 4mm 26 35 9 52 Screwdriver 11 Tape measure Pipe cutter Spanner or 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 ds FILE NO SVM 11015 3 4 Recharging of Refrigerant 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 m When the compound gauges pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauges pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid refri
85. he 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 Operation control of outdoor fan motor Operations followed to judgment e PM V control 4 way valve control 22 of serial signal from indoor side FILE NO SVM 11015 9 2 Operation Description 9 3 9 4 BASIC LETT 24 a 24 2 Cooling Heating operation 25 SAUTI OD SV ATOM 25 A DRY u E 25 2 MOIO GONUON snorrende fetis 26 Outdoor Tan THolor COMIN OL mnn dende OH YR GU ME RR 28 A COMM O T 29 5 GulrenErelease 29 6 Release protective control by temperature of indoor heat exchanger 30 7 Defrost control Only in heating 31 FEE TTE Rm 32 1 E
86. ifier AC Air purifier All stop is stored in memory Joint use of AC and air purifier AC operation All stop 1 Swing is available o Leuvri Fanspeed 2 2 Fan speed is Fan Auto mode varies in Air purifying operation Cooling position AUTO L L M M H order M 1 gt L gt L gt SL AC Air purifying operation Follows to AC operation Follows to AC operation O 2 3 ORO 4 Air conditioner stops Air conditioner operates Air purifier operates Air conditioner Air purifier operate Operation lamp ON Start of air purifier ON Operation lamp OFF Filter OFF Memory position Air conditioner of louver COOL air purifier operate Air conditioner operates 2 Sending air purifier OFF Air purifier OFF Air purifying operation All stop A es FILE SVM 11015 11 Air purifying control Detection of abnormality 1 Purpose The air purifying control function is to Purifying operation alert the user to trouble in the ionizing or air purifying operation YES Total operation time 1000H 1 minute or less continues Purifier power ON after 10 minutes from the error input Description Trouble is determined to have occurred indicated by the FILTER indicator in the following four cases 1 When a count of 1000H has been reached on the timer 2 When the panel switch has been set to OFF by the opening of the air inlet grile etc 3 When an abnormal discharg
87. ile a command signal can be received from the remote controller even if it stopped due to a power failure 192 FILE NO SVM 11015 9 4 Remote control 9 4 1 Remote control and its functions 1 Infrared signal emitter 2 Memory and preset button PRESET 3 Start Stop button TOSHIBA 4 Temperature up down and Timer FEEL or clock up down button 73 CA 5 Mode select button MODE 6 Swing louver button SWING 7 Fan speed button FAN One Touch button ONE TOUCH 9 Set louver button FIX 8 degree celcius operation button 8 C 41 Economy button ECO 42 High power button Hi POWER 43 Plasma Air PuriPer button PURE Comfort sleep button COMFORT SLEEP 45 Power selection button POWER SEL On timer button ON ea 2 Off timer button OFF N Foer ser Setup button SET Clear button CLR 60 Clock setup button CLOCK 03 Check button CHECK 62 Filter reset button FILTER 63 Reset button RESET t COMFOR SS PURE SI EEP J 9 4 2 Operation of remote control 1 ONE TOUCH Press the ONE TOUCH button for fully automated operation that is customised to the typical consumer preferences in your region of the world The coutomised settings control temperature air flow strength air flow direction
88. ill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually CAUTION Install the outdoor unit without anything blocking the discharging air When the outdoor unit is installed in a place always exposed to strong winds like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield Especially in windy areas install the unit to prevent the admission of wind Installation in the following places may result in trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast place full of sulfide gas A place where high frequency waves are likely to be generated such as from audio equipment welders and medical equip ment Fig 10 4 1 Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as much as possible with your fingers Then tighten the nut with a wrench and torque wrench as shown in the figure Half union Flare nut Externally Internally threaded side 2 threaded side Use a torque wrench to secure Use a wrench to secure Fig 10 4 7 Do not apply excessive force Otherwise the nut may break Unit N m Outer dia of copper pipe Tightening torque 26 35 mm 14 to 18 1 4 to 1 8 kgfem 09 52 mm 33 to 42 3 3 to 4 2 kgfem 12 7 mm 50 to 62 5 0 to 6 2 kgfem e Tightening torque fo
89. in some period as Hi Pressure switch Thermal Relay etc Check refrigerant amount or any possibility case which may caused Note Operation signal of the indoor unit shall be measured in the sending period as high temperature or high pressure picture below Check operation signal of the indoor Sending signal of the indoor unit when have not return UMIE uso Clee VDC Signal from the outdoor unit at terminal block of the indoor unit T between No 2 and No 3 L2 and S 8 I If signal is varied 15 60 continuously fo 60 replace inverter P C board If signal is not varied replace indoor board I 3 minutes Delay start 3 minutes stop counting from power I is supply ON or remote Voltage variation stop E OFF or have not voltage output I I 2 15 2 I gt 0 3 4 7 8 Time Min Signal send only 1 minute and stop Because of return signal from outdoor unit has not received Signal resend again after 3 minutes stop And the signal will send continuously minute after resending the indoor unit display flashes error Blockdistinction distinction Check Check Block code code Outdoor P C board Lic Operation Operation of diagnosis function Operation of diagnosis function function Cause of operation Compressor position detect circuit error or short circuit bet
90. ing ER FCU louver louver BEEN I OPEN 2T 12 7 aos ON or OFF ON or OFF Imer display depend on presetting of timer function depend on presetting of timer function ON or OFF depend on presetting per room temperature CDU fan ON or OFF Cool mode or dry mode operation more than 10 mins Turn off by remote controller or timer off function Operation time Self Cleaning mode operate 30 mins Automatically turn off 15 Remote A or B Setting the remote controller selection Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHK e button on the Remote Control by the tip of the pencil 00 will be shown shown on the display E Control B is memorized Note 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A TOSHIBA B Display 00 Display 38 To separate using of remote control for each indoor unit in case of 2 air conditioner are installed nearly Press MODE during pushing CHK e B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote 1 Purpose This operation is to operate only one indoor unit using one remote controller 2 Description When operating one indoor unit in a situat
91. ion where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating 3 Operation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote control ler also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display FILE SVM 11015 16 QUIET mode When the QUIET selected form Fan button the Quiet mode is the system which control the fan of the indoor unit will be restricted the revolving revolving speed of indoor fan to work speed at speed L until the Fan button is selected constantly at lower than speed L In addition other speed cancel Quiet mode noise level of indoor unit is less than usual Remarks 1 Quiet mode is unable to work in dry mode 2 Quiet mode is appropriate to work with less cooling load and less heating load condition Because of the fan speed L may cause not enough the cooling capacity or heating capacity 17 COMFORT Cooling mode The principles of comfort sleep mode are SLEEP The preset temperature will increase as Quietness for more comfortable When show on ECO operation Item No 9 room temperature reach setting temperature Press the COMFORT SLEEP button to Save energy by changing room temperature
92. ionizer ionized YES wire units dirty NO 15 an abnormal sound cracking noise heard from the electrode Replace the high voltage generator No trouble FILE NO SVM 11015 11 7 2 How to Check Whether the Minus lon Generator is Good or Not Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator flash Bo To item Power supply is not turned YES Turn off the power breaker and remove CN41 Micro switch connector Short circuit between 1 and 2 pin of CN41 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 2V and 2 Brown ND of CN1 of the high voltage generator purifier YES in the air Primary check Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened Micro switch is stuck NO Replace the power P C board or the housing assembly Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES Micro switch malfunction Push the switch ON ON 1 Check operation while short circuiting CN41 of the main P C board Release the switch 2 Perform air purifying operation by the remote controller In this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on
93. is detected and air conditioner can operate more than 6 minutes error count is cleared C2 11 5 Judgment of Trouble by Every Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely lt Primary check gt Is the supply voltage normal Is the normal voltage provided to the outdoor unit Is the crossover cable connected properly 1 2 3 4 Is the fuse F01 blown Turn off power supply once and 5 second later turn it on again N Is fuse F01 of indoor control board blown NO Is voltage DC12V or 5V indicated on rear of indoor control board normal NO Is DC310 340V NO ES supplied between Parts of a power supply circuit CN10 D defective Is it possible to turn on power supply by pushing START STOP button on remote controller Unit operates normally 01 and 01 are defective YES Is OPERATION indicator flashing O YES Does transmission mark on remote controller flash normally and is its signal transmitted properly YES Parts R04 R05 01 C01 Does fan motor connector between CN10 D short circuit FILE NO SVM 11015 Operation Check Item Considerable principle cause Measures Item by symptoms NO Remote controller is defective Refer to 5 Troubleshooting for remote controller YES Microcomput
94. itting to stopper heard from valve when the air conditioner starts the operation after turning off power y NO of the air conditioner once Replace valve YES Are temp sensors of indoor outdoor units correctly set to the holder NOTE NO The temperature sensors which used to control pulse motor valve Set it correctly include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE outdoor suction temp sensor TS and outdoor sensor TO Gas amount check and valve clogging check Remove TC sensor connector from the board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button Beep sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of compressor speed Check condensation at outlet of PMV and then check operating pressure from the service port Existence of condensation at outlet of P M V YES If there is condensation at outlet 1 4 inch 6 35mm valve side Replace valve the valve is clogged Check the operating pressure from service port and add gas if pressure is low Add gas 11 7 Troubleshooting 11 7 1 How to Check Whether the Air Purifier is Good or Not Primary check x O NO Turn off the power breaker once and turn on again after 10 seconds Does the OPERATION indicator f
95. lash Turn off the power breaker and remove CN41 Micro switch connector Short circuit between 1 and 2 pin of CN41 at PC side and turn on the power breaker after 10 seconds 15 2 applied between 1 Red DC12V and Brown GND of CN1 of the high voltage generator Is DC12V applied between 1 and 2 of CN42 of the main P C board YES YES Is there conduction of Micro switch is stuck micro switch connector under OFF status of the micro switch Front panel opened Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES Micro switch malfunction 1 Check operation while short circuiting CN41 of the main P C board 2 Perform air purifying operation by the remote controller In this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds when a signal is received If time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hout While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body NO Does the indoor fa
96. ll 4 Take out the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm from the front 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws 6 Tightening torque 1 2 Nem 0 12 kgfem 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical regulations for any specific wiring instructions or limitations Cord clamp Terminal block Terminal cover Screw B Screw Earth line m Connecting cable e tees 15 10 Cm mm 50 mm Stripping length of the connecting cable NOTE Use stranded wire only Wire type More than HO7RN F or 245 IEC66 1 0 mm or more How to install the air inlet grille on the indoor unit When ataching the air inlet grille the contrary of the removed operation is performed 10 3 5 Piping and Drain Hose Installation Piping and drain hose forming e Since condensation results in machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear right wa mp rat waspa Borom iit jw tet
97. m 32 2 All CURE CTIOM adi stin elit uuu u 2 ua 32 Seo 32 9 ECO OPEFAUOM zere u 33 10 Temporary E E 34 11 Air purifying control Detection of abnormality 34 12 Discharge temperature control 35 13 Pulse Modulating valve P M V control 36 14 Self Oleanirig usi dud UE 37 15 Remote A or B selection 38 USE ZEN T T E 39 175 GOMFORT SbEEP TIOdO uuruuu u u UD RU mb ced MPO uA 39 DT mmm 39 19 One Touch GOMIONE ua u u tetten keiken 40 20 lee OW ER MOOG uyu u denn 40 Idealo 2uosuuspascaspapascupuqasupauciosqhassasuqaquparppapappansqanaanaqappusutassuquqanapupunass 40 22 POWER satiare ei UE d MI Bd 41 Auto Restart a 42 9 3 1 How to Set the Auto Restart Function HR EE 42 9 3 2 How to Cancel the Auto Restart Function
98. mal operation However the check codes are not deleted from memory of the microcomputer After servicing finished press CLR button of remote controller under service mode status to send code 7F to the indoor unit The check code stored in memory is cleared Table 11 4 1 Block distinction distinction Operation of diagnosis function Air Action and Judgment ner Block ene Cause of operation conditioner isp ay lasung code code BM error mm Indoor P C TA sensor The room Operation Flashes when Check the sensor TA and connection temperature sensor is continues error is detected 2 In case of the sensor and its short Circuit or disconnection connection is normal check the P C board L1 i1 TC sensor The heat Operation Flashes when Check the sensor TC and connection 0 exchanger temperature continues error is detected 2 In case of the sensor and its sensor of the indoor unit connection is normal check the is out of place disconnection P C board short circuit or migration Fan motor of the indoor unit All OFF Flashes when Check the fan motor and connection is failure lock rotor short error is detected 2 In case of the motor and its circuit disconnection etc connection is normal check the Or its circuit on P C board P C board has problem m L i Other trouble on indoor Depend on Depend on Replace P C board board cause of cause of failure failure
99. multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics Testerrod Resistance value in good product 10 to 20 Q when the multimeter probe is reversed FILE NO SVM 11015 11 10 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several tens seconds though it started rotating 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 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 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble NO when rotating it with hands If the resistance value between Red lead White lead White lead Black lead Black lead Red lead of the connector CN300 Motor winding is 17 to 250 it is normal YES Fan motor is normal Fan motor error Outdoor P C b
100. n rotate YES Does the PURE indicator Blue or NO the FILTER indicator Orange go on Is DC 5V to DC 10V applied between 4 Brown Negative voltage Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER and 2 Brown GND indicator Orange go on of CN42 of the main P C board YES YES Are the electric dust collector and ionizer dried Electrode check NO Dry the electric dust collector and ionizer YES Referring to the right figure check the high output voltage of the air filter unit Use an exclusive high voltage tester Be sure not to come to contact to the gray NOTE part or not to touch FILE NO SVM 11015 To item Power supply is not turned on Push the switch ON Release the switch OFF To item Only indoor fan does not operate Replace the main board How to check output of the air purifier lt Caution on High Voltage gt Collector lonizer output otherwise the tester may be broken the ionized cables High voltage tester YES Refer to items cleaning and check Is output of the ionizer for the electric dust collector ionizer approx 4 0 kV to 4 8 kV NO ionized wire units Is output of the collector When the ionized wire is approx 3 0 kV to 3 8 kV disconnected or when dirt is not cleaned even cleaned YES ace aou Are the electric dust collector
101. nd the color tape matching the color of that tube Femme Qw _ s 104 43721420 43721409 43722312 43770313 43720325 43711301 43783003 43760382 43782310 43769499 43709408 43703361 43139327 43739328 43139329 FILE NO SVM 11015 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit STEPPING MOTOR FAN MOTOR BEARING ASSY MOLD HOSE DRAIN CROSS FLOW FAN ASSEMBLY PIPE SHIELD HOLDER REMOTE CONTROL MOTOR CORD INSTALLATION PLATE UNIT ELECTRIC PURIFIER PIPE HOLDER BACK BODY ASSEMBLY BEARING BASE MOTOR BAND LEFT MOTOR BAND RIGHT 105 43709409 43779313 43744471 43744472 43700489 43780327 43780328 43709467 43780320 43762328 43766311 43763318 HORIZONTAL LOUVER CAP DRAIN REFRIGEERANT CYCLE ASSEMBLY FOR RAS 10 13SKVP2 E REFRIGEERANT CYCLE ASSEMBLY FOR RAS 16SKVP2 E PANEL SERVICE ASSEMBLY FILTER AIR R FILTER AIR L GRILLE OF AIR INLET HIGH VOLTAGE POWER SUPPLY UNIT ASS TERMINAL COVER REMOTE CONTROLLER WIRELESS HOLDER SENSOR 13 2 Indoor Unit E Parts Assy 43769319 TEMPERATURE SENSOR 43760365 TERMINAL BLOCK 43769320 TEMPERATURE SENSOR 43762003 CORD CLAMP 43769642 PC BOARD ASSY WRS LED 106 FILE NO SVM 11015 1 Part Description No 43769923 PC BOARD RAS 10SKVP2 E 43 69924 PC BOARD RAS 13SKVP2 E 43769925 PC BOARD RAS 16SKVP2 E 43 50320 SENSOR HEAT EXCHANGER 13 3 Outdoor
102. ndicator lights and Self Cleaning operation starts Self Cleaning operation stops The Self Cleaning operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller or timer off function is received only the timer indicator light 2 The period of the Self Cleaning operation Operation stops is determined by the duration of the operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operating N During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of 500 rpm Self Cleaning operation times Operation time Self Cleaning operation time No Self Cleaning operation performed 0 minutes Up to 10 minutes Cooling Auto cooling Dry 10 minutes or longer 30 mins Heating Auto heating Auto fan only No Self Cleaning operation performed To stop an ongoing Self Cleaning operation at any time Press the start stop button on the remote controller twice during the Self Cleaning operation After pressing the button for the first time press it for the second time without delay within 10 minutes FILE NO SVM 11015 14 Self Cleaning Self Cleaning diagram function Operation display display FCU f E e is depend presett
103. ng 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 is indicated electrolytic capacitor 500uF 400V or 760uF 400V on P C board and then perform discharging Discharging position Discharging period Plug of 10 seconds or more Soldering iron 1019 10 Inverter cover board Soldered surface LEAR n ban Obeo AAFIN r ds af a gt 11 1 First Confirmation 11 1 1 Confirmation of Power Supply FILE NO SVM 11015 Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is nota 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 controlling and main taining of air conditioner i Table 11 1 1 When power breaker is tu
104. ntrol 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 Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function 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
105. oard 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 FILE NO SVM 11015 2 HOW TO REPLACE THE MAIN PARTS WARNING e Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doin
106. of pencil to set the remote controller to the service mode fil is indicated on the display of the remote controller Press TEMP button there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to 31 as shown in Table 11 4 1 Press TEMP V button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Note the check code on the display of the remote controller 2 digits alohanumeric will be indicated on the display All indicators on the indoor unit will flash 5 times per 1 sec Press CLR button After service finish for clear service code in memory 7F is indicated on the display of the remote control Press gt button to release the service mode e The display of the remote controller returns to as it was before service mode was engaged Fig 11 4 1 66 FILE NO SVM 11015 1 11 4 2 Caution at Servicing 1 After using the service mode of remote controller finished press 5 button to reset the remote controller to normal function 2 After finished the diagnosis by the remote controller turn OFF power supply and turn its ON again to reset the air conditioner to nor
107. on 10 5 1 Gas Leak Test Check the flare nut connections for gas leaks with a gas leak detector and or soapy water Valve cover Check places for the indoor unit Electric parts cover Check the flare nut connections for the gas leak with a gas leak detector or soap water Check places for the outdoor unit Fig 10 5 1 10 5 2 Test Operation To test the system press and hold RESET button for 10 sec There will be one short beep RESE RESET button Fig 10 5 2 10 5 3 Auto Restart Setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure Information The product was shipped with Auto Restart function in the OFF position Turn it ON as required FILE NO SVM 11015 10 5 4 Remote Controller A or B Selection How to Set the Auto Restart 1 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 sound but OPERATION lamp does not blink 3 In case of ON timer or OFF timer are set AUTO RESTART OPERATION does not activate Setting When two indoor units are installed in the separated rooms it is not necessary to change the
108. on Economic operation is performed i 1 The control target temperature lt Cooling operation gt increase 0 5 C per hour up to 22 This function operates the air conditioner with the difference starting from the set temperature between the set and the room temperature as shown in the when ECONO has been received following figure 2 The indoor fan speed is depend on presetting and can change Zone Frequency every speed after setting ECO 6 5 6 0 z 3 The compressor speed is 5 5 controlled as shown in the left ST 5 figure me yy 3 AH H te 45 yy L wan E vo FEY TT LLL I Mann ae 5 05 wane E E 2 DRY max COOL min 1 DRY max COOL min 0 DRY max COOL min 9 DRY max COOL min 8 DRY max COOL min 6x 5 COOL min 6 x 4 COOL min 6x 3 COOL min 6 x 2 COOL min 6x 1 COOL min 10SKVP2 E 135 2 16SKVP2 E Heating operation Heating operation 1 Setting the compressor speed to Max aHz the temperature zone in which the operation can be performed with Max cHz is gradually widened after 30 minutes passed when starting ECO operation 2 The indoor fan speed is depend on presetting and can change every speed after setting ECO operation Room temp Set temp FILE SVM 11015 10 Temporary Pressing RESET button starts the temporary opera 1 When pressing RESET button
109. oor fan motor Therefore the board is also mounted to inside of the motor If the board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN31 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating e Use a thin test rod Indoor fan starts rotating when power supply is turned on P C board Check output DC voltage of fan motor on P C board Measure voltage between GND BLACK and 5 V line YELLOW of motor connector CN31 while indoor fan motor is rotating DC 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor FILE NO SVM 11015 5 Troubleshooting for remote controller lt Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller Is receiver on indoor unit exposed to direct sunlight YES NO Is there any thyristor fluorescent light nearby The unit does not beep at all Push the START STOP button Operation lamp on indoor unit is not indicated Is transmission NO mark indicated Push RESET button on remote controller with tip of pencil Doe
110. ote controller the operation is per formed with the constant speed 2 When setting the fan speed to AUTO on the remote controller MANUAL revolution of the fan motor is Fig 3 controlled to the fan speed level shown in Fig 5 according to the set temperature and room temperature 3 Min air flow rate is controlled by L L M 2 temperature of the indoor heat 2 exchanger Tc as shown in Fig 4 H 2 4 Cold draft prevention the fan speed is controlled by temperature H s W of the indoor heat exchanger Tc Quiet 2 as shown in Fig 6 YES 5 In order to prevent Cold draft when Min air flow rate control compressor step during heating operation Then louver will move to NO upper position and fan speed will reduce off 5 ESET k Limited to Min WD tap No limit speed Fig 4 TC 42 a 10 x WD W8 W8 In up operation 1 in down operation 0 Cold draft preventive control Basic fan control Fan speed Tc AUTO 46 34 45 33 Line approximate 33 21 and SUL with Tc 32 20 A 4 A 4 A 4 A 4 Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M L x 1 4 L m 2 Fan speed M L x 2 4 L No limitation while fan speed MANUAL mode is in stability A When Tsc gt 24 A is 24 hen Tsc lt 24 A is T 3 Fan sp
111. proof rubber caps in the 2 elongated holes on the base plate of the outdoor unit How to install the water proof rubber caps 1 Place four fingers into each cap and insert the caps into the water drain holes by pushing them into place from the underside of the base plate 2 Press down on the outer circumferences of the caps to ensure that they have been inserted tightly Water leaks may result if the caps have not been inserted properly if their outer circumfer ences lift up or the caps catch on or wedge against something N wv 40 Water proof rubber caps Z lt supplied with the outdoor unit Fig 10 4 2 2 Installthe drain nipple and a commercially available drain hose with 16 mm inside diam eter and drain off the water For the position where the drain nipple is installed refer to the installation diagram of the indoor and outdoor units e Check that the outdoor unit is horizontal and route the drain hose at a downward sloped angle while ensuring that it is connected tautly 9 Drain nipple Commercially available x drain hose LM Do not use ordinary garden hose but one can Base plate flatten and prevent water from draining Fig 10 4 3 FILE NO SVM 11015 10 4 3 Refrigerant Piping Connection 1 Cut the pipe with a pipe cutter a oe Fig 10 4 4 x 72 2 Insert flare nut into the pipe and flare the pipe
112. r connection of flare pipe The pressure of R410A is higher than R22 Approx 1 6 times Therefore securely tighten the flare pipes which connect the outdoor unit and the indoor unit with the specified tightening torque using a torque wrench If any flare pipe is Flare at incorrectly connected indoor unit it may cause not only gas leakage but also trouble in the refrigeration cycle Flareat outdoor unit side Fig 10 4 8 10 4 4 Evacuating After the piping has been connected to the indoor unit perform the air purge 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 vacuum pump manual FILE NO SVM 11015 Use a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 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 begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for
113. ressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation 2 Cooling operation The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap 3 Heating operation The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap 4 The Hi POWER mode can not be set in Dry operation 21 FILTER When the elapsed time reaches 1000 hours after air Indicator purifier operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE RESET button is pushed while the FILTER indicator is not lit the indoor unit will start the automatic operation When you want a temporary operation while the FILTER lamp lights press RESET button to turn off the FILTER lamp See page 42 40 FILE SVM 11015 lem O Operation flow and applicable data etc Description 22 POWER POWER SEL button on the remote controller e When the level is selected Power SEL Selection is p
114. ressed level flashes on LCD display for 3 Mode The function is used when its circuit breaker is seconds In case of 75 and 50 shared with other electrical appliances level number 75 or 50 also flashes It limits the maximum current power for 2 seconds consumption to 10096 7596 or 5096 The lower the percentage the higher the saving Note Due to the reason that POWER and also the longer the compressor lifetime SELECT FUNCTION limits the maximum current inadequate Power Selection 7596 is 7596 of maximum capacity may occur current Power Selection 50 is 50 of rate maximum current _ 41 FILE SVM 11015 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Press the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically
115. rmo Setting E mensem j OFF TIMER Setting Louver AUTO Swing Louver Direction Setting A Hi POWER COMFORT SLEEP m QUIET G PURE FILE SVM 11015 8 2 Outdoor Unit Inverter Assembly HUN JOIN AEMP 101O N A lN d _ JosseJdujo2 lt oq JO eleH 11210 JOAUT Jojow Ue 9d 2 lt ov Josues JOOPINO J9uoeAu uano 1ndu SION ZHINT NAS UOI 29J102 490 D JOMOd U IH Josu s dw aiu 3s euis 041009 eM p x Josues ped 5 du luonons O asi 2e1ep O4U09 AW d Josuas ou nb 1ndino 1 JOOPINO 0 02 u01 991109 10106 JOMOT U IH JOOPINO aui IBS 041009 99 p 419 110 19 0 195 eseeo aJ 1uauino 1ndu uonouni Josues oDjeuosiq AI 858 1 pu s K gt juano 1 9 Joejep uano MOWN 8 24 600 H XC n LINN
116. rned ON the operation indicator Green of the indoor unit flashes Compressor may not operate even if the room temperature is within range of compressor ON In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after In AUTO mode the operation mode is changed In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The OPERATION lamp of the indoor unit flashes when power source is turned on If 5 button is operated once flashing stops Flashes also in power failure 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 The air flow indication is fixed to AUTO For smooth operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 min utes and Max 91 rps for 2 minutes to 3 minutes respec tively after the operation has started After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes The compressor motor speed may decrease by high temp release control
117. rs on the PC board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this board 2 The board consists of the following 2 parts a Main P C board part DC power supply circuit 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 PC board follow the procedure described below O 3 Check procedures Turn off the power supply breaker and remove the P C board assembly from electronic parts base Remove the connecting cables from the terminal block Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second it is not necessary to check steps 1 to 3 in the right next column Push START STOP button once to start the unit Do not set the mode to On Timer operation Shorten the restart delay timer and start unit Push START STOP button once to start the unit e Shorten the restart delay timer e Set the operation mode to COOL Set the fan speed level to AUTO e Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition If the above
118. s nstantaneous power stop start to operate Check protector hardware such failure when the return as Hi Pressure switch Some protector signal from the Thermal Relay etc hardware of the outdoor unit is Check refrigerant amount packed outdoor unit open normal valve opening and any possibility circuit of signal cause which may affect high Signal circuit of indoor temperature or high pressure P C board or outdoor Check operation signal of the indoor P C board is failure unit by using diode Measure voltage in some period at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board 70 FILE NO SVM 11015 1 Block distinction Operation of diagnosis function Check Check Ar Display Action and Judgment Block Cause of operation conditioner I code code EN flashing error Compressor does rotate All OFF Flashes after Remove connecting lead wire of the Because of missed wiring error is detected compressor and operate again missed phase or shortage 4 If outdoor fan does not operate operation but stop after some period replace the inverter P C board If outdoor fan operates normally measure 3 Phase output of inverter P C board 150 270VAC at the connecting lead wire of compressor If 3 Phase output is abnormal replace inverter
119. s indoor unit operate when moving remote controller near receiver or indoor unit YES Batteries are exhausted Push the START STOP button Does indoor unit NO start to operate by automatic restart function Is transmission NO mark indicated Does indoor unit Remote controller is defective Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio YES P C board is defective Replace Replace Normal Replace P C board batteries operation remote controller NOTE After replacing batteries push the RESET button with a tip of a pencil Keep indoor unit away from thyristor fluorescent light Avoid direct sunlight FILE SVM 11015 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between 2 and of the indoor terminal block varied Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Terminal block at indoor side Red 3 3 M 552770 or equivalent or J type 552770 Diode with rated voltage of 400V White 2 or more is acceptable 1 Terminal block Tester Normal time Voltage swings
120. sed 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 3 2 3 to 3 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 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness m 99 3 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 than lubricating oils used in the installed air water heat pump 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 FILE SVM 11015 d Flare Processing Make certain that a clamp bar an
121. speed up to the closest one commanded from the Capacity control continues does DO eR eue specified value Outdoor temp Cooling current release value Heating current release value 45 C 4 27 4 27 6 45A 7 72A 7 72A 7 72A 40 44 C 6 75A 6 75A 6 75A 16 Low 8 47A 8 47A 8 47A 29 FILE SVM 11015 6 Release protective lt In cooling dry operation gt 1 When temperature of the indoor control by tempera Prevent freezing control for indoor heat exchanger heat exchanger drops below 5 C ture of indoor heat the compressor speed is exchanger In cooling dry operation the sensor of indoor heat reduced P zone exchanger detects evaporation temperature and controls the compressor speed so that temperature of 2 When temperature of the indoor the heat exchanger does not exceed the specified heat exchanger rises in the value range from 6 C to under 7 C the compressor speed 15 kept Q zone Usual cooling capacity control 3 When temperature of the indoor heat exchanger rises to 7 C or higher the capacity control operation returns to the usual When the value 15 control in cooling operation in Q zone the Indoor heat exchanger temperature compressor speed R zone is kept Reduction of compressor speed lt In heating operation gt 1 When temperature of the indoor Prevent overpressure control for refrigerating cycle heat exchanger rises in the range from 52 C
122. te 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate Hook here 1 Installation plate Push unhook Fig 10 3 19 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places Push Push Fig 10 3 20 FILE NO SVM 11015 10 3 7 Drainage 1 Run the drain hose at a downward sloped angle NOTE e Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into the waved shape AX ley NI Do not put the drain hose end in the drainage ditch Do not rise the drain hose Asm y 6 6 Do not put the drain hose end into water AX Fig 10 3 21 2 Put water in the drain pan and make sure that the water 15 being drained outside 3 When connecting extension drain hose insulate the connection part of extension drain hose with shield pipe Shield pi ie are a Drain hose Inside the room Extension drain hose Fig 10 3 22 CAUTION Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room This air conditioner has been designed to drain water collected from condensation which forms on the back of the indoor unit to the dr
123. termining the pipe hole position on the installation plate gt drill the pipe hole 265 mm at a slight downward slant to the outdoor side NOTE When drilling into a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Anchor bolt holes 2 m or more from floor Installation Pipe hole Plate Indoor unit Weight D Mounting screw Fig 10 3 3 0 When installation plate is directly mounted on the wall 1 Securely fit the installation plate onto the wall by screws with the upper and lower catches that hold the indoor unit facing out 2 To mount the installation plate on a concrete wall use anchor bolts Drill the anchor bolt holes as illustrated in the above figure 3 Install the installation plate horizontally and level CAUTION When installing the installation plate with mount ing screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage Anchor bolt N OEE Projection 15mm or less Fig 10 3 4 5 mm dia hole Clip anchor 25 local parts Fig 10 3 5 Mounting screw 24 x 25 7 CAUTION Failure to securely install the unit may result in personal injury and or property damage if the unit falls In case of block brick concrete or similar type walls drill 5 mm
124. the operation tion of AUTO operation When keeping RESET temporary AUTO operation starts button pressed for 10 seconds or more the temporary 2 When keeping RESET button pressed COOL operation is performed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed Filter lamp ON Press RESET button 3 When keeping RESET button pressed for 10 seconds or more Pi sound is heard and the temporary COOL NO tion starts Temporary AUTO operation 4 If the filter lamp goes on press RESET YES button to go off the filter lamp and then ES press RESET button again NO 22 5 To stop the temporary operation press the button again Switch to AUTO RESTART control Temporary COOL Operation 11 Air This function generates nagative ion while cleaning the air in the room purifying If air purifier ON signal is received while the air conditioner stops the air purifier starts operation contro and if it is received while the air conditioner operates the air conditioner and the air purifier start operation The air ion generator operates linked with the air purifying operation When the previous operation was the Operation button operation of air conditioner air purifier Present status PURE button an operation of air conditioner air purifier AC operation Stop All Ann parer Operation of air conditioner air pur
125. the ON amp OFF timers and will be activated on a daily basis Setting Daily T imer 1 Press LON for enter ON timer setting 4 Press 799 desired OFF o Press for select desired 5 SET Y JON timer Press Press LOF for enter OFF timer 6 Press SEU again during the 9 f or B blink During the daily timer is activating both arrows f B are indicated 45 FILE NO SVM 11015 1 Note Keep the remote control in accessible transmission to the indoor unit otherwise the time lag of up to 15 minutes will occur The setting will be saved for the next same operation 10 PRESET OPERATION Set your preferred operation for future use The setting will be memorized by the unit for future operation except air flow direction 1 Select your preferred operation 2 Press and hold for 3 seconds to memorize the setting The mark displays 3 Press Operate the preset operation 11 AUTO RESTART OPERATION To automatically restart the conditioner after the power failure Power of the unit must be on Setting 1 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 secomds Do not operate ON timer and OFF timer 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink
126. the set screw Oc Perform positioning of the fan motor as follows e When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the two hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws U groove 94 FILE NO SVM 11015 12 2 Microcomputer Common procedure 1 Turn power supply off to stop Replace terminal block operation of air conditioner microcomputer ass y and the 2 Remove the front panel board ass y e Remove the 2 fixing screws 3 Remove the electrical part base 12 3 Outdoor No Part name Procedure Common 1 Detachment procedure Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 10L 3 pcs e After removing screw remove the valve cover pulling it downward 3 Remove cord clamp ST2T 4 x 14L 3 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 10L 5 pcs e After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water proof cover The water proof
127. to 55 C the In heating operation the sensor of indoor heat ex compressor speed 15 kept changer detects condensation temperature and controls Q zone the compressor speed so that temperature of the heat exchanger does not exceed the specified value When temperature of the indoor heat exchanger drops in the range from 48 C to under 55 C the compressor speed is kept Q zone Reduction of compressor speed 2 When temperature of the indoor heat exchanger rises to 55 C or 55 C higher the compressor speed is reduced P zone When the value is in zone the 3 When temperature of the indoor compressor speed heat exchanger does not rise to 5 kept 52 C or when it drops below to 48 C the capacity control operation returns to the usual control in heating operation R zone Indoor heat exchanger temperature Usual heating capacity control FILE SVM 11015 7 Defrost control This function removes frost adhered to the outdoor The necessity of defrost operation is Only in heating heat exchanger detected by the outdoor heat exchanger operation The temperature sensor of the outdoor heat ex temperature The conditions to detect the changer Te sensor judges the frosting status of the Necessity of defrost operation differ in A outdoor heat exchanger and the defrost operation is B or zone each Table 1 performed with 4 way valve reverse
128. to stop the operation 8 PRESET indicator Flashes for 3 seconds when the PRESET button 15 pressed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Press another button to turn off the mark 9 POWER SEL Indicates the selected POWER SEL level a 100 __ 75 50 10 A B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position 1 1 Comfort sleep Indicates when comfort sleep is activaled Press comfort sleep button to selectter 12 Quiet Indicates when quiet is activated Press Fan to start and press it again to select other fan speed for operation 13 One Touch Indicates when one touch comfort is activated Press one touch button to start the operation 14 Swing Indicates when louver is swing Press swing button to start the swing operation and press it again to stop the swing operation 15 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation 47 FILE NO SVM 11015 10 INSTALLATION PROCEDURE 10 1 Installation Diagram of Indoor and Outdoor Units 65 mm or more Haale For the rear left and left piping Installation Insert the cushion between the indoor
129. trouble of the signal system Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller Detection of outdoor temperature and operation revolution control Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan 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 controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these signals Operation mode and pressor revolution indoor heat exchanger tem perature 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 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 e The current compressor revolution e Outdoor temperature e Existence of protective circuit operation For transferring of these signals t
130. unit and wall and tilt the indoor unit for better operation Do not allow the drain hose to get slack Cut the piping Shield pipe hole sloped slightly Make sure to run the drain hose sloped downward Batteries Pan head ius wood screw Remote control holder The auxiliary piping can be connected to lt gt the left rear left rear right right bottom Vinyl tape right or bottom left Apply after carrying out a drainage test E Rear Wireless remote control Bottom Rear right len Bottom left 600 mm or more Insulate the refrigerant pipes separately with insulation not together Extension drain hose Not available provided by installer 6 mm thick heat resisting polyethylene foam Before installing the wireless remote controller Loading Batteries 1 Remove the battery cover 2 Insert 2 new batteries AAA type following the and positions 48 FILE SVM 11015 10 2 Installation 10 2 1 Optional installation parts Refrigerant piping Liquid side 26 35 mm Gas side 29 52 mm 10 13SKVP2 Series 212 70 mm 16SKVP2 Series Pipe insulating material 1 polyethylene foam 6 mm thick Putty PVC tapes i wel X j N Fig 8 3 1 e Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind e Use 28 mm or 210 mm anchor bolts and nuts
131. ust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during Move to preparation for defrost and during defrost initial position operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the Compressor ON thermostat or by remote controller adjust the open degree of valve to the setup value before stop of the compressor Td release control SH control PMV open degree control Stop b Room temp sensor remote controller Ta sensor control Power OFF SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Modulating Valve H FILE SVM 11015 14 Self Cleaning 1 Purpose function The Self Cleaning operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside of the air conditioner clean Self Cleaning operation When the cooling or dry operation shuts down the unit automatically starts the Self Press STOP button Cleaning operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Only timer i
132. ventional 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 Conventional air water air water heat pump installation heat pump installation Used tool Existence of Whether conven Whether new equipment new equipment tional equipment can be used with s s R410A can HEC used conventional pem EN Flare tool Pipe flaring Note1 1 enol m Flaring by Note 1 Note 1 a i Puce conventional flare tool Note 1 ote Torque wrench For 12 7 5 Chargehose Charge hose charge run check etc 6 Vacuum pump Vacuum pump adapter Vacuum Vacuum evacuating B J s Retigerantcyinder Wa Ox s iemasiemr w O _ Connection of fare nut of flare mut Yes Note 1 When flaring is carried out 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 t
133. ween winding of compressor 1 Current detect circuit of inverter board error E TE sensor The heat exchanger temperature sensor of the outdoor unit either TS sensor Suction pipe temperature sensor out of place disconnection or shortage TD sensor Discharge pipe temperature sensor is disconnection or shortage Outdoor fan failure or its drive circuit on the inverter P C board failure TO sensor The outdoor temperature sensor is disconnection or shortage Current on inverter circuit is over limit in short time nverter P C board is failure IGBT shortage etc Compressor current is higher than limitation lock rotor etc Air conditioner status All OFF Flashes after error is detected 4 times Al OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times All OFF Flashes after error is detected 4 times Operation Record error Display flashing error continues after detected 4 times But does not flash display FILE NO SVM 111015 1 Action and Judgment Remove connecting lead wire of the compressor and operate again If outdoor fan does not operate or operate but stop after some period replace the inverter P C board If outdoor fan operates normally measure
134. ws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the P C board is inserted properly into the P C board support groove FILE NO SVM 11015 Jin Putin Side cabinet 1 Side cabinet right 1 Perform step 1 in 2 and all the steps in 2 Remove the fixing screw 5171104 x 10L 3 pcs used for securing the side cabinet to the bottom plate and valve fixing panel RS S Cr er So N DSS ED S PPL Y lt lt X A 9 q K SIN M lt w J 7 gt l 2 X Val J 15 Ex SS I CAS e WK S DIe NS 93e 2 2 Side cabinet left 1 Perform step 1 in 2 2 Remove the fixing screw 5171104 x 10L 1 pc used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1T 4 10L 2 pcs used for securing the side cabinet NOOK TIG onto to the bottom plate and heat exchanger potom pate Detail A Detail B Detail C The back body section hooked onto the bottom plate here Fan motor 1 Perform work of item 1 of and 2 2 Remove the flange nut fixing the fan motor and the propeller
135. y 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 1 Cut the sensor 100 mm longer than old one Thermal 2 the protective tube after pulling out sensor part Connector it 200 mm 3 Move the protective tube toward the 200 Cutting here thermal sensor side and tear the tip of lead wire in two then strip the covering part 4 Pass the stripped part through the S thermal constringent tube eonstingentiube 5 Cut the old sensor 100 mm length on the connector side and recycle Cutting here connector E 00 6 Tear the lead wire in two on the con nector side and strip the covering part 7 Twist the leads on the connector and N lt S Soldered part sensor sides and solder them 4 8 Move the thermal constringent tubes s toward the soldered parts and heat them with the dryer and constring v d them 9 Wind the attached color tape round the Bowe both terminals of the protective tube when colored protective tube is used I Winding the color tape 10 Fix the sensor again 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 wi
136. y discharging resistance approx 100Q40W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF or 500p F on P C board Be careful to discharge the capacitor because the electrolytic capacitor cannot naturally discharge and voltage remains according to trouble type in some cases This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between 4 Remove screw 5711724 x 10L 4pcs fixing the terminal part of inverter box to the main body 5 Remove the front cabinet by performing step 1in and remove the fixing screws ST1T 4 x 10L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires Requirement As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector 98 Inverter cover board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron Ascrew ST1T 4 BMSZN board Soldered surface Put each leads Put the compressor through the hole leads through the hole The connector is one with lock so remove it while pushing the part indicated by an
137. ylene core or the like for bending pipe Outward form of indoor unit edge Use a screwdriver handle etc Fig 10 3 17 NOTE If the pipe is incorrectly bent the indoor unit may be unstable 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 CAUTION 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 Indoor unit Auxiliary pipes Connecting cable Installation plate Fig 10 3 18 Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit 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 Since condensation can result in machine performance trouble be sure to insulate both connecting pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it 10 3 6 Indoor Unit Installation 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation pla

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