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RAS-10JKVP-E RAS-10JAVP-E RAS-13JKVP-E RAS

1. 2 O lt 1 O o F WO st CO Ox eoueisiseu c 5 8 E c o o Gg 5 x Doe g cee QU i act lt S 0225 uil lt 20 30 40 50 Temperature 10 68 10 9 3 Indoor Unit Other Parts Part name Room temp TA sensor Heat exchanger TC sensor Checking procedure Disconnect the connector and measure the resistance value with tester Normal temp we WoW zr we 09 79 45 Remote controller Refer to 10 5 1 5 Louver motor MP24GA Measure the resistance value of each winding coil by using the tester Under normal temp 25 Postion Resistance value 380 40 Q Indoor fan motor 10 9 4 Outdoor Unit Part name Compressor Model DA91A1F 45F Refer to 10 5 1 3 and 4 Checking procedure Measure the resistance value of each winding by using the tester Red White White Black Black Red 0 51 to 0 57 Q Under 20 Outdoor fan motor Model ICF 140 43 1 Measure the resistance value of co by using the tester ELS Pink 5 to 20 kQ 1 Yellow 4 Pink 5 Gray White Black For details r
2. CIRCUIT y 3 MAIN P C BOARD MCC 891 T 4 H A r 1127374 s 18 e POWER SUPPLY l KASU J LOUVER MOTOR 5 SPECIFICATIONS OF ELECTRICAL PARTS 5 1 Indoor Unit RAS 10JKVP E RAS 13JKVP E Parts name Fan motor for indoor MF 280 30 1 Specifications DC280 340V Room temp sensor TA sensor 10kQ at 25 C Heat exchanger temp sensor TC sensor 10 25 Louver motor 5 2 Outdoor Unit RAS 10JAVP E RAS 13JAVP E Parts name Reactor MP24GA Model name CH 57 Output Rated 1W 16poles 1phase DC12V L 10mH 16A x 2 Outside fan motor ICF 140 43 1 DC140V 43W Suction temp sensor TS sensor Inverter attached 10kQ 25 Discharge temp sensor TD sensor Inverter attached 62kQ 20 C Outside air temp sensor TO sensor Inverter attached 10kQ 25 C Heat exchanger temp sensor TE sensor Inverter attached 10kQ 25 C Terminal block 6P 20A AC250V Compressor DA91A1F 45F 3 phases 4 poles 750W Compressor thermo US 622KXTMQO SS OFF 125 4 C ON 90 5 C Coil for PMV C12A DC12V Coil for 4 way valve VHV Ed AC220 240V 6 REFRIGERANT CYCLE DIAGRAM
3. and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between Q 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 9 552770 or equivalent G or J type S5277G Diode with rated voltage of 400V White or more is acceptable D Terminal block Tester Normal time Voltage swings between DC15 and 60V Inverter Assembly check 10 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 lea
4. E E E E E E Y III AL Concave section Part name Procedure Remarks Inverter Detachment Inverter cover P C board assembly Perform work of item 1 of Soldered surface Remove screw 511704 x 1062 pcs of the upper part of the front cabinet If removing the inverter cover in this condition P C board can be checked If there is no space in the upper part of the upper cabinet perform work of Be careful to check the inverter because Discharging position high voltage circuit is incorporated in it Discharging period 10 seconds or more Perform discharging by connecting Opolarity by discharging resistance approx 100Q40W or plug of soldering iron Oterminals of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 500uF 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 NOTE This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between polarity with screwdriver etc for discharging Terminal block
5. Z Z 8 OPERATION DESCRIPTION 8 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses DC motor for the indoor fan motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 13 to 115 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 control ler and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation command from the indoor unit side and controls the 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 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 a
6. IGBT check Resistance value 1a OC in good product 50kQ or more 0Q in trouble 0Q in trouble 50kQ or more 70 10 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 and CN301 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble 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 If the resistance value between CD Yellow lead Pink lead of the connector CN301 Motor position detection is 5
7. Wireless remote controller Bottom left HU ULE 770170700 UU UH 200 Insulate the refrigerant pipes separately not together 70 UN 1 CE 6 mm thick heat resisting polyethylene foam As shown in the figure position power cord and connecting cable downward and route it along piping connection port Fig 9 1 1 Fixing bolt arrangement of outdoor unit 9 1 2 Optional Installation Parts Secure the outdoor unit with the attachment bolts and nuts if the unit is likely to be exposed to a strong wind Use 08 mm or 010 mm anchor bolts and nuts If itis necessary to drain the defrost water attach drain nipple to the bottom plate of the outdoor unit before installing it Parts name Refrigerant piping Liquid side 26 35 Gas side 99 52 Pipe insulating material Polyethylene foam 6mm thick Putty PVC tapes 42 9 1 3 Accessory and Installation Parts Part No Part name Q ty aec Installation plate x 1 Wireless remote controller x 1 Part No Part name Q ty Remote controller holder x 1 Zeolite plus filter x 1 Part No Part name Q ty Cum Mounting screw x 25L x 6 Qu Flat head wood screw 3 1 x 16L x 2 Battery x 2 Name Owner s manual Others Installation manual 9 1 4 Installation Servicing Tools
8. Remove screw ST1T 4 1062 pcs fixing the main body and the inverter box The connector is one with lock Remove various lead wires from the holder at so remove it while upper part of the inverter box and wiring holder at pushing the part right side of the terminal block indicated by an Remove the lead wire from the bundled part at left arrow side of the terminal block 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires Requirement As each connector has a lock mechanism avoid to remove the connector by holding the lead wire but by holding the connector Be sure to remove the connector by holding the connector not by pulling the lead wire 79 Part name Control board assembly Procedure 1 Disconnect lead wires and connectors con nected from the control board assembly to other parts 1 Lead wires Lead wires Lead wires Lead wires Connection with terminal block 3 wires Black White Orange Connection with compressor Remove the connector 3P Connection with reactor Remove the relay connectors from 07 08 2P White and P12 13 2P Yellow 2 Connectors CN300 Outdoor fan 3P White CN301 Outdoor fan position detection White CN701 4 way valve 3P Yellow CN600 TE sensor 2P White CN601 TD sensor White CN603 TS sensor 3P White CN602 TO sensor 2 White CN500
9. OPERATION Green FILTER Orange Flashing display 5 Hz OPERATION Green TIMER Yellow FILTER Orange Flashing display 5 Hz Protective circuit operation for outdoor P C board Protective circuit operation for others including compressor 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and C and item B and a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing _ 53 10 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 10 3 1 excute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condi tion and indicate 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 Pi Pi Pi The timer lamp usually flashes 5Hz during self diagnosis 10 4 1 How to Use Remote Controller in Service Mode T 1 Push CHECK button with a tip of pencil to set the remote controller to the service mode Til is indicated on the display of the remote ON Y controller The timer lamp of the indoor unit fl
10. 10 Reserve button SET Push this button to store the time settings A receiving beep is heard 11 Cancel button CLR Push this button to cancel the ON timer and OFF timer A receiving beep is heard 12 High power button Hi POWER Push this button to start high power operation 13 Memory button MEMO Push this button to ready for storing the settings Hold down the button for more than 3 seconds to store the setting indicated on the remote controller and until the 3 mark is displayed 14 Automatic operation button AUTO Push this button to operate the air conditioner automatically A receiving beep is heard 15 ECO timer button ECO Push this button to operate the air conditioner economically 16 FILTER button Push this button to turn off the filter cleaning indica tor on the indoor unit Push this button after cleaning the air filter 17 PRESET button Push this button to operate the air conditioner to the settings stored using the MEMO button 18 Air puritying button PAP Push this button to start the electrical air purifying operation Push the button again to stop operation 19 Sleep time button SLEEP Push this button to start the sleep timer OFF timer operation You can select the OFF timer time from among four settings 1 3 5 or 9 hours TOSHIBA AGE AUTOAS 655621 NE 28 POW S ME i97 8 5 2 Name and Functions of Indications on Remote Contro
11. 813 _ 84 12 EXPLODED VIEWS AND PARTS LIST 12 1 Indoor Unit 1 215 233 219 223 Location No Location No Description Description 43005516 Panel Ass Front 43049728 Guide Drain Left 43005547 Grille Air Inlet 43079268 Cap drain 43080447 Filter Air 43044741 Evaporator 43080446 Filter Air 43047332 Pipe Suction 9 5DIA 43063333 Panel LED 43047331 Pipe Delivery 6 4DIA 43009630 Louver Horizontal 43019904 Holder Sensor SUS 43009649 Louver Vertical 43067108 Cover Terminal 43070140 Hose Drain Plastic 43062247 Cover Read 4302C029 Motor Louver 43082275 Plate Installation 4302C038 Motor Fan 43068402 Remote Controller 4306A024 Cord Motor Louver 10 13JKVP E 43039363 Band Motor Left 43003280 Body Ass y Back 43039321 Base Bearing 43083071 Holder Remote Comtroller 43020315 Fan Cross Frow 43080486 Electrical Air Purifyin G Filter 43039314 Band Motor 4306S404 Generator HV 4301V028 Holder Pipe 43080473 Unit Frame Main 43049698 Pipe Shield 43080461 Unit Ass y EP 43039324 Guide Drain 43001609 Plate Display 10 1 3JKVP E 43020253 Bearing Rubber 4308N505 Owner s Manual 85 Indoor Unit 2 403 Location No 4306A080 43062189 43050382 43050400 4306A091 43051343 411 412 P Location Description No Terminal Block 2P AC300V 20A Cover E Parts Sensor TC F6 Sensor
12. All stop Operation button Present status Air conditioner PAP button Stop Air purifier AC operation Air purifier only Stop All AC Air purifier Air conditioner Air purifier All stop Joint use of AC and air purifier AOPE raton All stop When the previous operation was the operation of air conditioner air purifier an operation of air conditioner air purifier starts by pushing AC button on the remote controller Operation of air conditioner air purifier is stored in memory Louver 1 Fan speed 2 AUTO L L M M H Cooling position Air purifying operation Follows to AC operation Follows to AC operation AC Air purifying operation 1 Swing is available 2 Fan speed is Fan Auto mode varies in order 1 2 L gt L gt SL 13 Discharge tempera ture control Td value Control operation Judges as an error and stops the compressor Reduce the compressor speed Reduce slowly compressor speed Keeps the compressor speed If the operation is performed with lower speed than one commanded by the serial signal speed is slowly raised up to the commanded speed Operates with speed commanded by the serial signal 33 Purpose This function detects error on the refrigerating cycle or error on the compressor and performs protective control Operation Control of the comp
13. Conditions Indoor DB 20 C Outdoor DB 7 C WB 6 C Air flow High Pipe length 5m Voltage 230V 0 20 40 60 80 100 120 Compressor speed rps 1 3 Capacity Variation Ratio According to Temperature lt Cooling gt Capacity ratio RAS 10JKVP E RAS 13JKVP E Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 0 ERES 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp Capacity ratio 100 3 5 kW RAS 13JKVP E 2 5 kW RAS 10JKVP E Heating Capacity ratio 96 120 RAS 10JKVP E RAS 13JKVP E Conditions Indoor DB 20 C Indoor air flow High Pipe length 5m 5 10 5 0 5 10 Outdoor temp 2 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or 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 correc
14. 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 the valve is clogged Replace valve Check the operating pressure from service port and add gas if pressure is low 62 Add gas 10 7 Troubleshooting 10 7 1 How to Check Whether the Air Purifier is Good or Not Turn off the power breaker once and turn on again after 10 seconds NO Does the operation lamp flash YES Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Red DC12V and Brown GND of CN1 of the high voltage unit Is DC12V applied between 1 and 2 gt of CN33 of the main P C board MCC891 Primary check Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened Micro switch is stuck Is there conduction of micro switch connector under ON status of the micro switch Front panel closed NO Micro switch malfun
15. to position of the louver etc The described value indicates one under condition of inclining downward blowing Medium Indication Fan speed 1 When setting the fan speed to L W6 L M or 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 Air volume AUTO 3 Fan speed x 3 4 L 4 Fan speed 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 10JKVP E RAS 13JKVP E Fan speed level Fan speed Air flow rate Fan speed Air flow rate rpm m h rpm m h WF 1630 684 1650 694 WE 1480 609 1530 634 WD 1400 569 1440 589 WC 1350 544 1390 564 WB 1200 468 1240 488 WA 1110 423 1150 443 W9 980 358 1010 373 W8 830 283 860 298 W7 810 273 810 273 W6 810 273 810 273 W5 780 257 780 257 700 217 700 217 550 142 550 142 W2 400 67 400 67 W1 400 67 400 67 24 Item Operation flow and applicable data etc Description 2 Indoor fan motor control In heating operation HEAT ON Fan speed setup MANUAL Indication 1 When sett
16. 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Missi toot Existence of E Whether new equipment new equipment can be used with for 410 conventional refrigerant Flare tool Pipe flaring Note 1 Copper pipe gauge for Flaring by adjusting projection conventional flare Note 1 margin tool Torque wrench Connection of flare For 912 7 nut Gauge manifold Evacuating refrigerant charge Charge hose run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Charging cylinder Refrigerant charge 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 f
17. 2 Invert ON 4 way valve approx 40 seconds after stop of the com pressor 3 The outdoor fan starts rotating at the same time when the compres sor starts Item Operation flow and applicable data etc Description 9 Louver control 1 Louver position 2 Air direction adjustment This function controls the air direction of the indoor unit The position is automatically controlled according to the operation mode COOL HEAT 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 horizontal angle is 0 When the louver closes fully it directs approx 49 upward 1 Louver position in cooling operation Horizontal Louver 0 angle Powerful Cooling operation AUTO COOL Dry Initial setting of Cooling storage position Louver Directs downward 9 Room temp Ta gt Set temp Tsc 3 5 224 Inclined blowing Louver Directs downward 14 Room temp Ta Set temp 3 5 bcn Initial setting of Cooling storage position Louver Directs downward 9 2 Louver position in heating operation ECO operation Room temp Ta Room temp Ta lt gt Set temp Set temp Tsc or 25 minutes after start of operation Hea
18. Four way valve inverse error TC sensor value lowered during heating operation Operation continues 56 Check four valve operation 10 5 Judgment of Trouble by Every Symptom 10 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely Primary check 1 Is the supply voltage normal 2 Is the normal voltage provided to the outdoor unit 3 Is the crossover cable connected properly Check Item 4 the fuse 01 blown Operation Considerable principle cause Turn off power supply once and 5 second later turn it on again Is OPERATION lamp flashing YES Measures Item by symptoms Does transmission mark on remote controller flash START STOP button normally and is its signal on remote controller transmitted properly YES YES Is it possible to turn on power supply by pushing NO Remote controller is defective Refer to 5 Troubleshooting for remote controller Unit operates normally Does fan motor connector between and short circuit o gt Microcomputer Replace main gt is defective P C board Is fuse 01 of indoor control board blown YES Parts R04 R05 DBO1 C01 01 and T01 are defective Is voltage DC12V or 5V indicated on rear of indoor control b
19. ON TIMER Setting Louver AUTO Swing Louver Direction Setting ECO Hi POWER Air Purifier OFF TIMER Setting SLEEP Louver Motor Drive Control Indoor Fan Motor Control Indoor Loro Air purifier unit Micro Switch Infrared Rays 36 7kHz For INDOOR UNIT t 220 240 V 50Hz MICRO COMPUTER BLOCK DIAGRAM 220 V 60Hz MCC813 P C B Indoor unit a M C U Discharge temp sensor Outdoor air temp sensor Suction temp sensor Heat exchanger temp sensor PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control High power factor correction control Signal communication to indoor unit Rotor position detect circuit Rotor position detect circuit Gate drive circuit Gate drive circuit Over current detect circuit Over current detect circuit High Power Clock factor Correction frequency circuit 16 2 Over current Inverter sensor DC AC Inverter DC P M V Pulse Modulating Valve M C U Micro Control Unit 4 OUTDOOR UNIT Compressor 3 dAVfEL SVH 3 dAVPOL SVH Ajquiassy 19119AuJ
20. Refer to items cleaning and check Is output of the ionizer for the dust collector ionizer ionized approx 3 9kV to 4 7kV NO wire units Is output of the collector When the ionized wire is approx 2 9kV to 3 7kV disconnected or when dirt is not cleaned even cleaned YES replace each unit Are the dust collector ionizer ionized YES wire units dirty NO Is an abnormal sound cracking noise heard from the electrode Be sure not to come to contact to the silver part or not to touch the ionized cables To item Power supply is not turned on Replace the main P C board MCC891 Replace micro switch Push the switch Release the switch To item Only indoor fan does not operate Replace the main P C board MCC891 How to check output of the air purifier Caution on High Voltage gt lonizer Output High voltage tester Replace the high voltage unit No trouble 10 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 NO Does the operation lamp flash YES To item Power supply is not turned on Turn off the power breaker and remove CN34 Micro switch connector Short circuit between 1 and 2 pin of CN34 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between 1 Red DC12V and Brown GND of CN1 of t
21. T1 C T2 C 12 to 14 41 to 43 Indoor fan mode Outdoor fan mode Compressor revolution rps Indoor Outdoor NOTES 13JKVP E 10JKVP E 0 8 to 1 0 Standard pressure P MPa 2 2 to 2 4 10 to 12 43 to 45 Heat exchanger pipe temp 37 to 38 Indoor fan mode Outdoor fan mode Compressor revolution rps 13JKVP E 2 5 to 2 7 42 to 44 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m 18 7 1 Indoor Unit 7 CONTROL BLOCK DIAGRAM RAS 10JKVP E RAS 13JKVP E Heat Exchanger Sensor Tc Room Temperature Sensor Ta BRE x x x x x x x Initializing Circuit Clock Frequency Oscillator Circuit Power Supply Circuit Converter D C circuit ZN Noise Filter a S From Outdoor Unit 220 240V 50Hz 220V 60Hz REMOTE CONTROLLER Functions Cold draft preventing Function e 3 minute Delay at Restart for Compressor Fan Motor Starting Control Processing Temperature Processing Timer Serial Signal Communication Serial Signal Transmitter Receiver Serial Signal Communication Operation Command and Information Remote Controller p me Operation START STOP Operation Mode Selection AUTO COOL DRY HEAT Thermo Setting Fan Speed Selection
22. 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 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 MER Rubber plug Nitrogen gas Fig 2 5 1 Prevention of oxidation during brazing 12 3 CONSTRUCTION VIEWS 3 1 Indoor Unit RAS 10JKVP E RAS 13JKVP E Indoor air suction port Air filter Indoor heat exchanger Front panel 208 BE Knockout system Suction grille Air ionizer 3 48 Knockout system Plasma air purifying unit SSMAM Ue ree TEES DEG CCC Sec DET 790 Auxiliary hose Outside length 0 45m Flare 06 35 Installation plate Drain hose hangi i Outside length 0 54m anging section Auxiliary hose Outside length 0 36m Flare 9 52 91 608 91 Stud bolt hole For 06 Stud bolt hole Hanging Minimum For 28 to 810 section distance to ceiling ee ae os ny UT Minimum Minimum distance to wall 140 o
23. TA Housing PU1 4P SW Micro Ass y 86 4306 092 43068405 43065382 43065383 Description Housing LED 9P P C board Ass y WRS LED MCC 900 P C board Ass y MCC 891 10JKVP E P C board Ass y MCC 891 13JKVP E 12 2 Outdoor Unit Location No O ask imu mil Qk O 43005368 43005369 43005370 4301V030 43042461 4301V012 43062230 43019903 43041612 43046392 43046391 43147196 43047401 43047491 43046422 36746552 Description Cabinet Back Ass y Cabinet Upper Ass y Cabinet Front Ass y Guard Fan 10 13JAVP E Base Ass y Cover Valve Packed Cover Wiring Ass y Hanger Compressor DA91A1F 45F Valve Packed 6 35 Valve Packed 9 52 Bonnet 1 4 IN 6 4CU Bonnet 3 8 IN 9 52CU Tube Capillary 1 5 Valve Pulse Modulating Coil PMV Location No _ 87 43055521 43050298 4302C033 43047667 43020322 43097204 43049643 43063320 43063321 43063195 43063322 43046344 43046348 43032441 Description Reactor CH 57 Thermostat Bimetal CS 7 125 Motor Fan ICF 140 43 1 Nut Flange Fan Propeller Nut Cushion Rubber Holder Sensor 6 8 9 52 Holder Sensor 4 8 9 52 Holder Thermostat Bimetal Holder Sensor Valve 4 Way CHV 0213 10 13JAVP E Coil Solenoid VHV 01A1501A1 10 13JAVP E Nipple Drain 10 13JAVP E 12 3 P C
24. Zeolite 3G filter x 1 This model is not equipped with an extention drain hose Option For the extention drain hose use the optionally available RB 821SW or a commercially available one Parts marked with 37 Drain nipple x 1 RAS 10JAVP E RAS 13JAVP E Dust collecting unit asterisk are packaged with the outdoor unit 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 acciden tally 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 New tools for 410 Gauge manifold Applicable to R22 model As pressure is high itis i conventional gauge In o being charged each port Changes mpossible to measure by means of rder to prevent any other refrigerant from diameter has been changed Charge hose In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging bubbles occur As pressure is h
25. http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally Fuse holder GM1H 02 by NAGASAWA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Procured locally P shape clamp Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter 07 5 Use equivalence with the above specifications 15 pieces are used to fix the cord heater to the outdoor unit base One piece is used to fix the power cords to the thermostat fixing plate Procured locally Self tapping screw type B 4 x 6mm truss head stainless These screws are used to fix the cord heater to the outdoor unit base with P shape clamp Procured locally Self tapping screw type B O4 x 8mm truss head stainless Two screws are used to fix the thermostat fixing plate to the back cabinet One screw is used to fix the power cord to the thermostat fixing plate Procured locally Self tapping screw type B 03 5 x 8mm pan head These screws are used to fix the thermostat to the thermostat fixing plate with the thermostat holder Procured locally Faston 250 They are used for the con
26. serial signal Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compressor thermo Gas shortage Gas leak Operation continues 55 Flashes when trouble is detected on Return serial signal and normal status when signal is reset When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter P C board 3 Check 3 15A of inverter P C board To display Other block during operation check compressor thermo operation and supply gas check gas leak also Unit operates normally during check If Return serial signal does not stop between indoor terminal board 2 and 3 replace inverter P C board If signal stops between indoor terminal board 2 and 3 replace indoor P C board Operation of diagnosis function Air conditioner status Block distinction Judgment and action Check Block Cause of operation Remarks Outdoor P C board Inverter over current protective circuit operates Short time All off Displayed when error is detected Even if trying operation again all operations stop immediately Replace P C board Position detect circuit error or short circuit between windings of compressor All off Displayed when error is detected 1 Even if connecting lead wire of compressor
27. the B410A only BA TOA only charging hose from the service port 8 Securely tighten the caps on the packed valves Vacuum pump adapter for counter flow prevention For R410A only Connecting Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin Fig 9 3 7 IMPORTANT POINTS FOR PIPING WORK Keep dust and moisture away from entering the pipes Tight connection between pipes and unit Evacuate the air in the connecting pipes using VACUUM PUMP Check gas leak connected points Packed Valve Handling Precautions Open the valve stem all the way out but do not try to open it beyond the stopper Securely tighten the valve stem cap with torque in the following table Hexagonal wrench is required SET Gas side 33 to 42 Nem 29 52 3 8 to 4 2 14 to 18 Nem Liquid side 26 35 1 4 to 1 8 kgf m 14 to 18 Nem Service port 1 410 1 8 kgfm 0 48 9 3 4 Wiring Connection 1 Remove the electric parts cover from the outdoor unit 2 Connect the connecting cable to the terminal as identified with their respective matched numbers on the terminal block of indoor and outdoor unit 3 When connecting the connecting cable to the outdoor unit terminal make a loop as shown installation diagram of indoor and outdoor unit to prevent water c
28. 39 9 INSTALLATION PROCEDURE 9 1 Safety Cautions For general public use Power supply cord of outdoor unit shall be more than 1 5mm HO7RN F or 245 66 polychloroprene sheathed flexible cord New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membrane and oils The working pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 Accompanied with 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 for the conventional refrigerant units Accord ingly 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 the existing piping TO DISCONNECT THE APPLIANCE FROM THE MAIN POWER SUPPLY
29. 6 1 Refrigerant Cycle Diagram RAS 10JKVP E RAS 10JAVP E RAS 13JKVP E RAS 13JAVP E 1 Temp measurement INDOOR UNIT Indoor heat exchanger m o EIE g 1 25 amp Chargeless 15m Pressure measurement Deoxidized copper pipe m 8 Charge 20g m Gauge attaching port Outer dia 6 35mm 5 16 to 25m Vacuum pump connecting port Thickness 0 8mm i j Sectional shape lt 5 18 Deoxidized copper pipe lt Outer dia 9 52mm ot neat insulator Thickness 0 8mm nM M MMMM n NOTE Strainer 4 way valve CHV 0213 Pulse modulating valve at liquid side SEV16RC3 69 Compressor DA91A1F 45F TS Outdoor heat Split capillary Temp measurement Propeller fan Refrigerant amount 0 9kg OUTDOOR UNIT NOTE Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating The maximum pipe length of this air conditioner is 25 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 SATS 6 2 Operation Data lt Cooling gt Temperature condition C Outdoor lt Heating gt Temperature condition C 10JKVP E Standard pressure P MPa 0 9 to 1 1 Heat exchanger pipe temp
30. AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS MAY RESULT 40 WARNING Never modify this unit by removing any of the safety guards or by pass any of the safety interlock switches Do not install in a place which cannot bear the weight of the unit Personal injury and property damage can result if the unit falls Before doing any electrical work attach an approved plug to the power supply cord and make sure the equipment is grounded Appliance shall be installed in accordance with national wiring regulations If you detect any damage do not install the unit Contact your Toshiba dealer immediately Exposure of unit to water or other moisture before installation may result in an electrical short Do not store in a wet basement or expose to rain or water After unpacking the unit examine it carefully for any damage Do not install in a place that can increase the vibration of the unit Do not install in a place that can amplify the noise level of the unit or where noise or discharged air might disturb neighbors To avoid personal injury be careful when handling parts with sharp edges Please read the installation manual carefully before installing the unit It contains further important instructions necessary for proper installation For Reference If a heating operation would be continuously performed for a long time under the condition that the outdoor tem
31. C board be sure to shut off the power supply breaker DC power supply circuit BV 12V 15V 2 When removing the P C board hold the edge Indoor fan motor control circuit CPU and of the P C board and do not apply force to the peripheral circuits buzzer and Driving circuit of louver 3 When connecting or disconnecting the b Indication unit of infrared ray receiving connectors on the P C board hold the whole Infrared ray receiving circuit LED housing Do not pull at the lead wire To check defect of the P C board follow the procedure described below parts 3 Check procedures Procedure 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 Table 10 9 1 Check points Check whether or not the fuse F01 is blown Causes Impulse voltage was applied or the indoor fan motor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION lamp flashes once per second itis not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CN23 220 240 2 Between and of C03 DC 310 340V 3 Between of C10 and output side of IC08 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C
32. Case thermo 2P White CN703 Pulse modulating valve 6P White 2 Remove the control board assembly from P C board base 1 Main control board assembly side Remove two claws of P C board base and remove upward the heat sink with hands Remove three screws fixing the heat sink and main control board assembly side and replace the board with a new one Remarks CN703 CN602 CN301 CN701 CN500 CN603 CN601 CN600 CN300 CN300 CN301 and CN701 etc at the control board assembly side are connectors with locks Therefore remove the connector while pushing the part indicated by an arrow P C board base P C board When mounting a new board check that the board is correctly set in the groove of base holder of P C board base Rear cabinet 1 Perform work of item 1 of D and 2 Remove fixed screws fixing to the bottom plate ST1T 4 x 1063 pcs 3 Remove fixed screws fixing to the heat exchanger 511704 x 106 1 pc 4 Remove fixed screw fixing to the valve mounting plate 511704 x 1061 pc 80 Part name Fan motor Procedure 1 Perform work of item 1 of D 2 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clockwise To tighten the flange nut turn counterclock wise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the invert
33. Commutation timing change Change of compressor speed 1 The difference between set temperature on remote controller Ts and room temperature Ta is calculated 2 According to the temperature difference the correction value of Hz signal which determines the compressor speed is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on the motor winding with operation of the compressor 4 According to the difference resulted from comparison of the correction value of Hz signal with the present operation Hz the inverter output and the commuta tion timing are varied 5 Change the compressor motor speed by outputting power to the compressor The contents of control opera tion are same in cooling operation and heating opera tion 5 Current release control This function prevents troubles on the electronic parts of the compressor driving inverter This function also controls drive circuit of the compressor speed so that electric power of the compressor drive circuit does not exceed the specified value Outdoor unit inverter main door Outdoor temp To circuit control current Setup of current release point Operating current lt High Setup value Reduce compressor speed o Current decrease Capacity control continues Cooling current Outdoor temp release value release value 45 C 40 C 16 C 11 C 5 62A 9 8
34. Do not put the heating part near the electric parts box power cord For the cord heater perform cable process so that there is no looseness or sag at the fan side Perform cable process for the cord heater together with the fan motor lead cable and collect the remained part of cables at cable process part of the inverter Draw the power cord for the cord heater out of cables of the back cabinet Check that there is the marked part of the cord heater on the outdoor unit base or near it When there is the heating part near the electric parts box a fire may generate Power cord for Put the remained parts of cord heater the cord heater together Incorporate front cabinet upper cabinet wiring cover and valve cover as before In installation work connect power cord for the cord heater to another breaker separated from one for power cord of the air conditioner Appendix 6 Appendix 5 Drawing of thermostat fixing plate 2 03 4 burring hole 2 23 burring hole Upward Downward 56 46 03 4 burring hole Downward Material SGCC Z08 Thickness 0 81 Appendix 7 TOSHIBA CARRIER CORPORATION 336 TADEHARA FUUJI SHI SHIZUOKA KEN 416 8521 JAPAN
35. Drain hose Inside the room Extension drain hose Fig 9 2 20 Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room This air conditioner has been Wall designed to drain water collected from condensation which forms on the back of the indoor unit to the drain pan Therefore do not locate the Space for power cord and other parts at a cre height above the drain guide Fig 9 2 21 Drain guide 9 3 Outdoor Unit 9 3 1 Installation Place A place which provides the spaces around the outdoor unit as shown in the left 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 users neighbors A place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be sure to secure its feet 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 20g of refrigerant per meter of added connnection 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
36. Filter lamp ON 1 1000H counts of the timer were up 2 The panel switch was turned off by an operation such as opening the front panel etc 3 An abnormal discharge due to adhesion of dirt etc was detected while the filter was turned on For items 2 and 3 they are judged as troubles when they continued for 1 second or more Purifying operation Total operation time 1000H Filter lamp ON Y Error input H Ne YES Purifier power OFF Y Purifier power ONN NO Filter lamp OFF 1 minute or less continues YES Filter lamp ON Purifier power OFF Error detection Approx 10 minutes passed YES Purifier power ON Filter power OFF 1 Reset by RESET button The sequence that filter lamp is turned on are described in the left flowchart 1 When 1000H timer counts up the filter lamp keeps lighting even if the operation is stopped by the remote controller The timer is stored in memory of the microcomputer and the operation time is cleared by filter RESETbutton FILTER button on the remote controller or a power failure Filter lamp goes off 2 A trouble detected within 1 minute after activation of the air is immediately judged as an error and the filter lamp goes on 3 In case that 1 minute passed after activation of the purifier the purifier is turned off while the lamp keeps ON After 10 minutes passed restart the purifier and an error is judged again 2 Reset by RESET
37. This appliance must be connected to the main power supply by a circuit breaker or a switch with a contact separation of at least 3mm The installation fuse 25A D type must be used for the power supply line of this air conditioner FOR USE BY QUALIFIED PERSONS ONLY TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CORRECTLY CONNECT THE CONNECTING CABLE IF THE CONNECTING CABLE IS INCORRECTLY CONNECTED ELECTRIC PARTS MAY BE DAMAGED CHECK THAT THE EARTH WIRE IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT THE INDOOR UNIT FROM OVERHEATING AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2M FROM HEAT SOURCES SUCH AS RADIATORS HEAT REGISTORS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLATION IN ANOTHER PLACE BE VERY CAREFUL NOT TO ALLOW THE SPECIFIED REFRIGERANT R410A TO BECOME MIXED WITH ANY OTHER GAS EOUS BODY INTO THE REFRIGERATION CIRCUIT IF AIR OR ANY OTHER GAS IS MIXED IN THE RE FRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PERSONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH
38. connecting pipe so that it is laid within 43mm above the wall surface If the connecting pipe is laid exceeding 43mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender So as not to crush the pipe Bend the connection pipe within a radius of 30mm 06 35 40mm 99 52 To connect the pipe after installation of the unit figure Outward form of indoor unit gt Use the handle of screwdriver etc Fig 9 2 15 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 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 4 Indoor unit Auxiliary pipes Installation plate Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor unit Carefully connect the auxiliary pipes and con necting 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 results in machine performance trouble be sure to insulate both connecting pipes Use p
39. exchanger from two hanged parts of the motor band Left while sliding it rightward Hanged parts 10 Lift up the left side of the heat exchanger toward you to remove the cross flow fan cya Remarks Rear side of mains Heat exchanger Top view of the set Without panel Fixing screws Bearing base Fixing screws Bearing Set screw Cross flow fan Part name Cross flow fan Procedures Caution at reassembly a At assembling work of the bearing base check that the drain pipe is surely incorporated in the rear plate Otherwise water leak is caused b 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 5mm 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 the set screw U groove Install the fan motor for service work so that the center D letter cut part comes to the set screw mounting hole position Center D letter cut part Perform positioning of the fan motor as follows Arrange mark of the concave round hole or circle mark 2 Concave round correctly with mark of WN hole or circle mark the mot
40. mm Thickness diameter mm mm Flare tool for R410A clutch type Conventional flare tool Clutch type 1 0 to 1 5 Wing nut type 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 2 2 4 Dimensions related to flare processing for R22 A mm Outer diameter mm Thickness mm Nominal diameter Conventional flare tool Flare tool for R410A clutch type Clutch type Wing nut type 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 2 2 5 Flare and flare nut dimensions for 410 Flare nut width mm Outer diameter mm Thickness Dimension mm mm B C Nominal diameter Nominal diameter Table 2 2 6 Flare and flare nut dimensions for R22 Outer diameter mm Thickness Dimension mm Flare nut mm width B 252 lo 45 Fig 2 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 conve
41. one of the indoor units and the corre sponding remote controller to the B setting the A setting is the default setting 1 Setting the remote controller switch on the main unit Remove the front panel and then set the selector switch to B After setting of the switch remount the front panel 2 Setting the remote controller switch on the remote controller Insert dry cell batteries and push the RESET button While holding down the CHECK button with a pointed object push the FIX button so that B is displayed at the right of the temperature indica tor 3 Check that the indoor unit can be operated by the modified remote controller Position of remote controller selector switch Fig 9 3 12 50 10 HOW DIAGNOSE THE TROUBLE The pulse modulating circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis proce dure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 10 1 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Judgment of Trouble by Every Symptom How to Check Simply the Main Parts NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply i
42. raise any problem 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 fill quickly Therefore perform the filling operation carefully and insert the refrigerant gradually 1 Install the outdoor unit without anything blocking the air discharging 2 When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high storey of a building secure the normal fan operation using a duct or a wind shield Specially in windy areas install the unit 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 A place full of sulfide gas A place where high frequency waves are likely to be generated as from audio equipment welders and medical equipment Fig 9 3 1 9 3 2 Refrigerant Piping Connection Flaring 1 Cut the pipe with a pipe cutter 90 Obliquity Roughness War fu Roug Warp S Ed 2 Insert a flare nut into the pipe and flare the pipe Projection margin in flaring A Unit mm Rigid Clutch type Outer dia of R410A Conventional copper pipe tool used tool used
43. seconds after YES To item How to check whether P was 5 5 the air purifier is good or not ilter lamp Orange go on How to check output of minus ion Caution on High Voltage gt Replace the main P C board MCC891 Referring to the right figure check the high voltage output of the air ionizer In this time peel the thermal insulator and attach x o 5 c o x o it to the original position after check operation NOTE Use an exclusive high voltage tester otherwise the tester may be broken igh voltage nit Does the electrode YES output approx 6kV No trouble Integrated power supply assembly 2 2 Electrode GND High voltage tester 64 10 8 How to Diagnose Trouble in Outdoor Unit 10 8 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse NG Part 01 Replace fuse Check electrolytic capacitor diode block DB01 etc Check terminal voltageN NG of electrolytic capacitor Check electrolytic capacitor diode DBO1 etc Does outdoor fan rotate Does LED on control board flash or go on Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Table 10 8 1 Preparation Operati
44. to operate Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 1V or more between and 3 of motor connector CN10 YES NO Peplace indoor fan motor Is it possible to detect DC 310 340V between of motor connector CN10 NO m Turn off indoor unit and remove Motor connection condition connector from motor Is it possible to detect DC 15V Then push START STOP button between and of on remote controller to stop motor connector CN10 flashing lamp on indoor unit Is it possible to detect DC 15V between 2 and 3 of motor connector CN10 Change airflow level Peplace main to HIGH P C board Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and 8 of motor connector CN10 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 between 5 3 of motor connector CN10 Check this condition within 15 seconds after starting unit NO Peplace bearing Is it possible to chan
45. upper and lower sides of the cover to remove the cover 3 Remove thick red and black Faston lead wires and the connector attached to the main frame 4 Remove the earth cover at the rear side of the electric dust collector and then remove the thin black Faston wire 5 As shown in the right figure widen outward the rib at the right side of the main frame and remove the hooks of the high voltage unit to remove the high voltage unit lt Caution at installation gt 1 Perform cabling as shown in the right figure 76S Boss for positioning 11 3 Microcomputer Part name Procedure Remarks Common procedure 1 Turn the power supply off to stop the Replace terminal block operation of air conditioner microcomputer ass y and the 2 Remove the front panel P C board ass y Remove the 2 fixing screws 3 Remove the electrical part base P C board layout R05 01 CN23 C01 FUSE R01 R04 CN10 DBO1 E D E C03 E y o 01 J04 1 17 K 1098 9 g 1 CNIS SWAT 8 cy 11 4 Outdoor Unit Part name Common procedure Table 11 4 1 Procedure 1 Detachment 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air condi tioner 2 Remove the valve cover 511704 x 1061 pc After removing screw remove the valve cover pulling it downward 3 Remove wiring cover ST1T 4 x 1002 pcs
46. 0 Faston and UL approved sleeves each to cover side the end of lead cables which are connected to the L side thermostat Using insulation tape apply protective measures to the connected parts by the close end connectors Using P shape clamp and the screws Self tapping screw type B 04 x 8mm fix the power cord to the thermostat fixing plate When the power cord size does not match with P shape clamp procure the most appropriate one at the local site Close end connector insulation tape P shape clamp Appendix 5 Appendix Assembly Return a set of the refrigeration cycle assembly into the outdoor unit base and reassemble sound insulation board partition plate assembly fan motor assembly and back cabinet as original Fix the thermostat fixing plate to the back cabinet built in the inverter assembly and then connect various cables After then incorporate front cabinet upper cabinet wiring cover and valve cover as before Return a set of the refrigeration cycle assembly into the outdoor unit base and assemble sound insulation board partition plate assembly fan motor assembly and back cabinet as original Using screws Self tapping screw type B O4 x 8mm stainless fix the thermostat fixing plate to the back cabinet Back cabinet Thermostat fixing plate After incorporating the inverter assembly as before Do not make cord heater loose furthermore perform cable process for cord heater and
47. 01 line filter LO1 resistor R05 or the diode DBO1 is defective C01 08 and 01 are defective C01 08 and T01 are defective C01 IC08 07 and TO1 are defective Push START STOP button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN21 and No 1 of CN23 DC 15 60V and 04 are defective Shorten the restart delay timer and start unit Check whether or not all lamps OPERATION TIMER FILTER Plasma are indicated for 3 seconds and they return to normal 3 seconds later The lamps are defective or the housing assembly CN13 is defective Push START STOP button once to start the unit Shorten the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit com pressor operates continuously in the above condition 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION lamp flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat ex changer sensor is loose The connector is disconnected 01 The heat exchanger sensor and the P C board are defective Refer to Table 10 4 1 The main P C board is defective If the above condition No 5 still continues start the uni
48. 2A 9 00A 213 E is 10 31A 10 80A 207 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the detected outdoor temperature the specified value of the current is selected 3 Whether the current value exceeds the specified value or not is judged 4 If the current value exceeds the specified value this function reduces the compressor speed and controls speed up to the closest one commanded from the indoor unit within the range which does not exceed the specified value Item Operation flow and applicable data etc Description 6 Release protective control by temperature of indoor heat exchanger In cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operation the sensor of indoor heat ex changer detects evaporation temperature and controls the compressor speed so that temperature of the heat ex changer does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Indoor heat exchanger temperature Reduction of compressor speed 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 to under 7 C the compressor speed is kept Q zone 3 When temperature of the i
49. 5 09 52 09 52 Liquid side Gas side Maximum length Outdoor unit 06 35 06 35 09 52 09 52 25 25 Maximum chargeless length Maximum height difference Refrigerant Name of refrigerant 15 15 10 10 R410A R410A Weight Wiring Power suppl connection Interconnection Usable temperature range Cooling Heating C 0 9 0 9 3 Wires includes earth Outdoor 3 Wires includes earth Outdoor 4 Wires includes earth 4 Wires includes earth 21 32 0 28 21 32 0 28 Outdoor Cooling Heating C 10 43 15 24 10 43 15 24 Installation plate Wireless remote controller Accessory Indoor unit 1 1 Batteries Remote controller holder Zeolite plus filter 1 Zeolite 3G filter 1 1 2 2 1 1 1 1 Mounting Flat head wood screw 6 84 x 25L 2 93 1 x 161 6 24 x 25L 2 93 1 x 161 Dust collecting unit Installation manual Owner s manual Pattern Outdoor unit Drain nipple The specifications may be subject to change without notice for purpose of improvement ge 1 2 Operation Characteristic Curve Cooling Current A RAS 10JKVP E RAS 13JKVP E Conditions Indoor DB 27 C WB 19 C Outdoor DB 35 C Air flow High Pipe length 5m Voltage 230V 40 60 80 100 120 Compressor speed rps Heating RAS 10JKVP E RAS 13JKVP E Current A
50. 59 5 Troubleshooting for remote controller Primary check gt Check that A or B selected on the main unit is matched with A or B selected on the remote controller The unit does not beep at all Operation lamp on indoor unit is not indicated Push the START STOP button Is transmission NO mark indicated YES Push RESET button on remote controller with tip of pencil 15 receiver on indoor unit exposed to direct sunlight Does indoor unit operate when moving remote controller near receiver or indoor unit Is there any thyristor fluorescent light nearby NO NO YES Batteries are exhausted Push the START STOP button Does indoor unit start to operate by automatic restart function Is transmission NO mark indicated YES YES NO Does indoor unit beep and operate YES Does radio sound is affected by remote controller when a signal is transmitted at distance of 5 cm from radio NO YES Remote controller is defective P C board is defective Keep indoor unit Avoid direct away from thyristor Replace sunlight fluorescent light P C board Normal Replace operation remote controller Replace batteries NOTE After replacing batteries push the RESET button with a tip of a pencil 2 160 10 5 2 Wiring Failure
51. 6 35 0 to 0 5 9 52 0 to 0 5 1 0 to 1 5 1 0 to 1 5 a Imperial Wing nut type Outer dia of copper pipe Die Pipe 6 35 1 5 to 2 0 Fig 9 3 3 9 52 1 5 to 2 0 Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers Then tighten the nut with a spanner and torque wrench as shown in the figure Half union Flare nut mM EA mM side EA side Use a wrench Use a torque wrench to secure to secure Fig 9 3 4 Do not apply excess torque Otherwise the nut may crack depending on the conditions Unit N m 06 35 14 to 18 1 4 to 1 8 kgf m 29 52 mm 33 to 42 3 3 to 4 2 kgf m Tightening torque for 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 each flare pipe connects incorrectly it may cause not only a gas leakage but also a trouble of the refrigeration cycle Flare at indoor unit side Flare at outdoor unit side Fig 9 3 5 Shaping pipes 1 How to shape the pipes Shape the pipes along the incused line on the outdoor unit 2 How to fit position of the pipes Put the edges of the pipes to the place with a distance of 85mm from the incused line Incused li
52. Board Layout 706 RAS 10 13JAVP E 702 RAS 10 13JAVP E TE SENSOR 06 TS SENSOR 26 TO SENSOR 86 TD SENSOR 24 Description N Description 43050334 Sensor TD F4 43062228 Base P C board ABS 43050382 Sensor TC F6 43063324 Heatsink Aluminum 43160469 Terminal Block 6P 43065380 board Ass y 813 AC250V 20A 10 13JAVP E 88 Appendix Cord Heater Installation Work Applicable Models RAS 10JAVP E RAS 13JAVP E 1 Required parts for installation work Recommendation Part name Cord heater Specifications Vendor Drain line heaters CSC2 1 5m 40W m by Flexelec com Please go to the following URL http www flexelec com Remarks Procured locally Thermostat US 622AXRLQE by ASAHI Operating temperature on 4 4 C off 15 3 C A thermostat holder is incorporated with a thermostat in the package Please go to the following URL http www asahikeiki co jp product product html On self responsibility you can use a product manufactured by other company For example Texas Instruments if its character istics are equivalent to those of ASAHI KEIKI However when the shape of the thermostat holder is different from that of ASAHI KEIKI apply some treatment to No 13 themostat fixing plate and then fix the holder Procured locally ES3 5000 250V 5A by NAGASAWA Electric Co Please go to the following URL
53. Fan motor Compressor lead Intermediate connector Case thermo CN500 Reactor 2 pieces Appendix 3 Intermediate connector Appendix Photo Explanatory diagram Partition plate assembly Valve fixing plate Procedure Remove the motor base and the sound insulation board Related parts Screws list Screw type Quantity Motor base assembly Including motor and fan 4 a0 Remove the partition plate assembly Related parts Screws list Used screw Part name Screw type Quantity Partition plate assembly Including reactor 4 10 3 Remove the fixing screws of the heat exchanger and the valve fixing plate Remove the compressor fixing nut Related parts Screws list Used screw Part name Screw type Quantity Heat exchanger x 10 Valve fixing plate Compressor As shown in the left figure remove the set of refrigeration cycle assembly from the outdoor unit base n this time work attentively so that the cycle pipes are not damaged by dent or deformation Apply protective measures to pipes if necessary Appendix 4 Appendix Cord heater installation work Drill a hole on the outdoor unit base and fix the cord heater to the outdoor unit base using P shape clamp Connect the cord heater cables Using a motor drill etc drill 3 2 holes to the existing emboss on the outdoor unit base 15 positio
54. MODULE THERMOSTAT FOR COMPRESSOR IGBT MODULE xj 4 POWER STARTER Lov RELAY pec BLK P23 BOARD 2 MCC 813 gt F04 FUSE T3 15A COIL for 4 WAY 3 VALVE ABSORBER v VARISTOR FUSE i T25A papa Btu du PULSE ONTOS MODULATING BLK VALVE IGBT Insulated Gate Bipolar Transistor PUR 1 Color Identification REACTOR Z AAS 4 2 Indoor Unit cl RAS 10JKVP E RAS 13JKVP E TALI WHI WHITE BLK 1 220 240v 50Hz BLK BLACK BLK Der r aj S SUBE BLU BLUE INN BRW BROWN 88 184 E ORN ORANGE 25 25 PUR PURPUL 2s YEL YELLOW a Heat GRY GRAY echar GRN amp vEL GRN amp GREEN amp 1000 YEL YELLOW CES CN22 ON21 BRW T SW icro AT EXCHANGER RED SENSOR TC C HE 10 FAN MOTOR R THERMO SENSOR TA D4 DC5V 0801 LINE FILTER o I IU N DC12V Ij Qo toon 4 VEL PSP OO aoo 5 515
55. Start of heating operation Operation time 0 4045 Minute 2740 34 Outdoor heat exchanger temperature The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as TeO Table 1 When 0 TE gt 2 5 continued for 2 minutes in A zone defrost operation starts When the operation continued for 2 minutes in B zone defrost operation starts When 0 gt continued for 2 minutes in C zone defrost operation starts DO The necessity of defrost operation is detected by the outdoor heat exchanger temperature The condi tions to detect the necessity of defrost operation differ in A B or C zone each Table 1 Defrost operation Defrost operation in to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert OFF 4 way valve 10 seconds after stop of the com pressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 or lower stop the indoor fan Finish of defrost operations Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 or higher 2 Temperature of outdoor heat exchanger is kept at 5 or higher for 80 seconds 3 Defrost operation continues for 15 minutes Returning from defrost operation 1 Stop operation of the compressor for approx 50 seconds
56. TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT TYPE RAS 10JKVP E RAS 10JAVP E RAS 13JKVP E HFC 1 SPECIFICATIONS uuu aus sama cx EISE oeaE 3 2 REFRIGERANT uuu uN uuu uu 5 Jj CONSTRUCTION VIEWS uu uuu AS usss ssassesuuassssskasutsuy 13 4 WIRING DIAGRAMN 15 5 SPECIFICATIONS OF ELECTRICAL PARTS 16 6 REFRIGERANT CYCLE DIAGRAMI J J 17 7 CONTROL BLOCK DIAGRAM 19 8 OPERATION DESCRIPTION U 21 9 INSTALLATION PROCEDURE u 41 10 HOW TO DIAGNOSE THE TROUBLE 51 11 HOWTO REPLACE THE MAIN PARTS 72 12 EXPLODED VIEWS AND PARTS LIST 85 CORD HEATER INSTALLATION WORK APPENDIX 1 1 SPECIFICATIONS 1 1 Specifications RAS 10JKVP E RAS 10JAVP E RAS 13JKVP E RAS 13JAVP E
57. Unit model Indoor RAS 10JKVP E RAS 13JKVP E Outdoor Cooling capacity RAS 10JAVP E 2 5 RAS 13JAVP E 3 5 Cooling capacity range 0 6 3 4 0 6 4 2 Heating capacit Heating capacity range 3 2 0 6 6 2 4 2 0 6 6 6 Power supply 1Ph 50Hz 220 240 V 1Ph 60Hz 220 V Operation mode Running current Electric Indoor characteristics Heating 0 15 Power consumption 30 Power factor Outdoor Operation mode Cooling Heating 87 Cooling Heating Running current 2 58 2 46 2 35 3 44 3 28 3 14 4 40 4 20 4 02 5 07 4 84 4 63 Power consumption Power factor Starting current 3 59 3 43 3 29 5 22 4 99 4 78 Cooling Heating 4 39 4 27 3 68 3 85 Indoor Cooling Heating 42 43 33 34 25 25 43 44 34 35 26 26 Outdoor Unit model Dimension Indoor unit 45 47 RAS 10JKVP E 48 50 RAS 13JKVP E Net weight Fan motor output Air flow rate Outdoor unit Unit model 550 610 560 640 RAS 10JAVP E RAS 13JAVP E Height Width Depth Dimension Net weight Compressor Motor output Type Twin rotary type with DC inverter variable speed control Model Fan motor output Air flow rate Cooling Heating m3 h DA91A1F 45F DA91A1F 45F 43 43 2150 2150 2410 2410 Type Indoor unit Piping connection Liquid side Gas side Flare connection Flare connection 06 35 06 3
58. ace compres sor Others including compressor 9 Return serial signal has been sent when operation started but it is not sent from halfway 1 Compressor thermo operation Gas shortage Gas leak 2 Instantaneous power failure Operation continues Flashes when trouble is detected on return serial signal and normal status when signal is reset 1 Repeat Start and Stop with interval of approx 10 to 40 minutes Code is not displayed during operation Supply gas Check also gas leak Unit operates normally during check If return serial signal does not Stop between indoor terminal block 2 and 3 replace inverter P C board If signal stops between indoor terminal block 2 and 3 replace indoor P C board Compressor does not rotate Current protective circuit does not operate when a specified time passed after compres sor had been activated All off Displayed when error is detected Trouble on compressor Trouble on wiring of compressor Missed phase Discharge temp exceeded 117 C All off Displayed when error is detected Check dischage temp sensor TD Gas leakage Trouble on P M V Break down of compressor All off Displayed when error is detected Check power voltage 220 230 240 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser
59. after 30 minutes passed when starting ECO operation 3 The louver position is set horizontally Standard cooling position when the room tem perature comes close to the set temperature or when 25 minutes passed after starting ECO operation Item Operation flow and applicable data etc Description 11 Temporary operation Pushing RESET button starts the temporary operation of AUTO operation When keeping RESET button pushed for 10 seconds or more the temporary COOL operation is performed Filter lamp ON NO Did you push RESET button for 3 seconds or more Push RESET button Temporary AUTO operation Did you push RESET button for 10 seconds or more Switch to AUTO RESTART control Temporary COOL Operation 1 When pushing RESET button the temporary AUTO operation starts 2 When keeping RESET button pushed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed 3 When keeping RESET button pushed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on push RESET button to go off the filter lamp and then push RESET button again 5 To stop the temporary operation push the button again 12 Air purifying control Detection of abnormality This function notifies a trouble on the purifying operation The following items are judged as troubles
60. aker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory 3 After servicing push CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 10 4 1 Operation of diagnosis function Check Block Indoor P C board etc Cause of operation Short circuit or discon nection of the room temperature sensor TA sensor Air conditioner status Operation continues Remarks Displayed when error is detected Judgment and action Check the room temp sensor When the room temp sensor is normal check P C board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check P C board Lock of indoor fan or trouble on the indoor fan circuit All off Displayed when error is detected Check the motor When the motor is normal check P C board Not displayed Trouble on other indoor P C boards Operation continues Displayed when error is detected Replace P C board Connecting cable and
61. am A place where there is no obstacle near the air inlet and outlet A place which allows an easy installation of the piping to the outdoor unit A place which allows the front panel to be opened The indoor unit shall be installed as top of the indoor unit comes to at least 2m height Also it must be avoided to put anything on the top of the indoor unit Direct sunlight to the indoor unit wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to r f noise sources For details see the owner s manual Remote controller A place where there are no obstacles such as a curtain that may block the signal from the indoor unit 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 apart 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 Side view Top view Indoor unit Reception Reception Remote range S Remote range controller controller Axial distance Fig 9 2 1 9 2 2 Cutting a Hole and Mounting Installation Plate Cutting a Hole When install the refrigerant pipes from the rear ve Ae J The cent
62. and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 1062 pcs After removing screws remove the upper cabinet pulling it upward Attachment Attach the upper cabinet 511704 x 10 2 pcs Hook the rear side of the upper cabinet to claw of the rear cabinet and then put it on the front cabinet Perform cabling of connecting cable and attach the wiring cover Insert the upper part into the upper cabinet insert claw which has been hooked to the lower part into the square hole and then fix it with screw ST1T 4 x 1061 pc Attach the valve cover ST1T 4 x 1061 pc Insert the upper part to the upper cabinet set hook claw of the valve cover to square holes at three positions of the main unit and attach it pushing upward Front cabinet Detachment Perform work of item 1 of D Remove screws ST1T 4 x 1002 pcs of the front cabinet and inverter cover and screws ST1T 4 x 1065 pcs of the front cabinet The left side of the front is made to insert to the rear cabinet so remove it pulling upward Attachment Insert claw at the left side of the front into the rear cabinet 2 Hook the lower part at the right side of the front to concave part of the bottom plate Insert claw of the rear cabinet into square hole of the front cabinet 3 Attach the removed screws to the original positions cB Remarks Upper cabinet Wiring 9 cover
63. ashes continuously 5 times per 1 sec TOSHIBA a QNS 2 Push ON A or OFF Y button AKATOA pr TEE If there is no fault with a code the indoor unit will beep LI f EA Hd once Pi and the display of the remote controller will ILI a change as follows oo 00 Bi d E 33 e Check the unit with all 52 check codes 27 to 33 E as shown in Table 10 4 1 Push A or OFF Y button to change the check Po od code backward HiPowER If there is a fault the indoor unit will beep for 10 seconds Pi Pi A e Note the check code on the display of the remote CLOCK o controller ue 2 digits alphanumeric will be indicated on the display FIX FAN SLEEP All lamps on the indoor unit will flash 5 times per 1 sec 3 Push START STOP button to release the service mode The display of the remote controller returns to as it was before service mode was engaged 4 Time shotening method 1 Push SET button while pushing CHECK button Alphanumeric characters are 2 Push START STOP button used for the check codes 5 is 5 B is 6 H is A h is is d is D Fig 10 4 1 54 10 4 2 Caution at Servicing 1 After servicing push the START STOP button to return to the normal mode 2 After servicing by the check code turn off bre
64. button or by the stop direction from the remote controller When the breaker is turned ON In restart time after power failure or RESET button is pushed while the filter lamp is turned on the air purifier is not turned on until the integrated operation time of the indoor fan exceeds 1 hour after operation start It is nor the air purifier operation time It is the safety measures considering an incomplete drain when electric dust collector unit has been cleaned with water 2789 Item Operation flow and applicable data etc Description 12 Air purifying control This function generates nagative ion while cleaning the air in the room If air purifier ON signal is received while the air condi tioner stops the air purifier starts operation 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 Sending air purifier ON 0 9 Air conditioner operates Start of air purifier ON Air conditioner stops Operation lamp ON 1 Memory position of louver COOL Air conditioner air purifier operate Fan ON Air purifier ON Air purifying operation Sending air purifier OFF Air purifier operates Air conditioner Air purifier operate Filter OFF Air conditioner operates Operation lamp OFF stop Air purifier OFF Louver close
65. by reducing the fan speed and the compressor speed Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown in the following figure The time correction is performed for 8 minutes each However the first correction is performed 150 seconds after start of the operation Frequency Time correction DRY max 1 zone min 1 DRY COOL min 6 x 5 COOL min DRY max COOL min 6 x 4 COOL min DRY COOL min 6 x COOL min DRY COOL min 6 x 2 COOL min DRY COOL min 6 x 1 COOL min Heating operations Compressor speed OHz 30 minutes B zone 16 to 52Hz Room temp Set temp e Cooling operation 1 The room temperature Tao at the start time of DRY operation is detected 2 According to difference between the room temperature and the set temperature the operation starts with the condi tions shown in the left figure Set temp Set temp on remote controller Ts 0 0 to 1 0 3 If the room temperature is down by 2 C or more turn off the compressor Heating operations 1 The indoor fan speed is con trolled within W7 as maximum value 2 Setting the compressor speed to Max 52Hz the temperature zone in which the operation can be performed with Max 16Hz is gradually widened
66. c Tsc Set value In stability FAN AUTO Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start and room temp is 3 or lower than set temp When 12 to 25 minutes passed after operation start and room temp is higher than set temp 3 C When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 C 25 Room temp gt Set temp 3 5 C Item Operation flow and applicable data etc Description 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 the controller of the outdoor unit speed system is used However it is limited to 8 stages for reasons of controlling 2 When strong wind blows at outdoor side the operation of air conditioner continues with the Air conditioner ON fan motor stopped Remote controler 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 locked 1 Outdoor unit 4 According to each operation operation command mode by the conditions of Outdoor fan control outdoor temperature To an
67. ction 1 Check operation while short circuiting CN34 of the main P C board 2 Perform air purifying operation by the remote controller n this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display lamps 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 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 dust collector ionizer or ionized wire unit with the human body N Does the indoor fan rotate 9 YES Does the plasma lamp Blue or NO the filter lamp Orange go on YES Is DC 5V to DC 10V applied between Does the plasma lamp go off within 2 seconds after Brown Negative voltage NO o it was ON and does the and 2 Brown GND 2 filter lamp Orange go on of CN33 of the main o P C board c YES 5 s 5 Are the dust collector Dry the dust and ionizer dried collector and Electrode check ionizer YES GND high output voltage of the air filter unit NOTE Use an exclusive high voltage tester otherwise the tester may be broken YES Referring to the right figure check the
68. d compressor revolution the speed of the outdoor fan shown in the 2 Fan speed gt 400 YES OFF status of table is selected when the motor stopped fan motor continues NO Indoor unit controller Fan motor ON YES Air conditioner Alarm NO 4 Motor operates as shown in the table below In cooling operation Compressor speed rps gt 38 lt 38 C lt 15 C To238 C lt 38 lt 15 C When is abnormal Compressor speed rps gt 5 5 C lt 5 5 During gt 5 5 C lt 5 5 When is abnormal Outdoor fan speed rpm RAS 10JAVP E RAS 13JAVP E 1050 1050 840 840 750 840 750 840 700 700 650 650 390 390 390 390 Item Operation flow and applicable data etc Description 4 Capacity control The cooling or heating capacity depending on the load is adjusted According to difference between the setup value of tempera ture and the room temperature the capacity is adjusted by the compressor revolution Remote controller Indoor unit Set temp Ts Room temp Ta Ts Ta Correction of Hz signal Detection of electromotive force of compressor motor winding Detection of motor speed and rotor position Correction value of Hz signal Operating Hz Inverter output change
69. d because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold cylinder Electronic balance OUTDOOR unit 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 2 5 Brazing of Pipes 2 5 1 Materials for Brazing 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expen sive 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 Cylinder without siphon Gauge manifold OUTDOOR unit JeputAo Electronic balance Siphon 1 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 sp
70. e at this time push RESET button once more or use the remote controller to turn it on While this function is being set if the unit is in operation the orange lamp is on 8 3 3 Power Failure During Timer Operation 8 41 How to Turn Off Filter Check Lamp When the unit is in timer operation if it is turned off Push FILTER button on the remote controller or because of power failure the timer operation is push RESET button on the indoor unit cancelled Therefore set the timer operation again Then we have to clarify it NOTE NOTE The Everyday Timer is reset while a command If RESET button is pushed while the filter check signal can be received from the remote controller lamp is not indicating the indoor unit will start the even if it stopped due to a power failure automatic operation When you want a temporary operation while the filter 8 4 Filter Check Lamp lamp lights put out the lamp once and then push the RESET button When the elapsed time reaches 1000 hours after air purifier operation the filter lamp indicates After cleaning the filters turn off the filter lamp zi 8 5 Remote Controller and Its Fuctions 8 5 1 Parts Name of Remote Controller 7 Infrared signal emitter Transmits signal to the indoor unit 2 b button Push the button to start operation A receiving beep is heard Push the button again to stop operation A receiving beep is heard If no receiving sound is heard fr
71. ect an operation mode 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an operation mode 4 DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons Fan speed 2 98 1 Detects the room temperature Ta when the DRY operation started 2 Starts operation under conditions in the left figure according to the temperature difference between the room temperature and the setup temperature Tsc Setup temperature Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 or less than the setup temperature turn off the com pressor Item Operation flow and applicable data etc Description 2 Indoor fan In cooling operation gt motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase Sdn control induction motor The fan rotates in 5 stages in M MANUAL mode and in 5 stages in AUTO mode respec M Medium tively Table 1 L Low L Low L Low UL Ultra Low COOL ON SUL Super Ultra Low The fan speed broadly varies due
72. efer to Section 10 9 Compressor thermo Bimetal type Model US 622KXTMQO SS Check conduction by using the tester Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE Disconnect the connector and measure resistance value with the tester Normal temperature ae oe we TO TS TE Refer to the TA TC characteristic table in Indoor Refer to 10 8 3 No 1 69 10 9 5 Checking Method for Each Part Part name Electrolytic capacitor For boost smoothing Checking procedure 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that safety valve at the bottom of capacitor is not broken 4 Check that vessel is not swollen or exploded 5 Check that electrolytic liquid does not blow off 6 Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test Soldered once again under another polarity surface o the pointer should return Heat sink IGBT side C12 C13 C14 gt 500 4 400 Converter module 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that the normal rectification characteristics are shown in continuity test by the tester
73. emove the electric dust collector Remove screw of earth lead attached to the end plate of the heat exchanger 5 Remove the lead wire cover and remove connector 5 for the fan motor and connector for the louver motor from the microcom puter assembly 6 Remove a fixing screw of the electric parts base and draw out it toward you 7 Pull out TC sensor from sensor holder of the heat exchanger 8 As shown in the right figure treat the lead wire surely after replacement of the parts Otherwise water leak is caused For removal mounting of the electric dust collector follow to the item D How to replace the electric dust collector Lead wire TC sensor Fixing screw Horizontal louver 1 Remove shaft of the horizontal louver from the rear plate First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward 72 Part name Heat exchanger Procedures 1 Follow to the procedure in the item Q 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 4 Remove the fixing screw at the lower right side of the heat exchanger 5 Remove right side of the end plate from two fixing ribs while sliding slightly the heat exchanger rightward Hanged part Remarks d Pipe holder Fixing screws Bearing 1 Follow to the pr
74. er 5 Remove the fixing screws 3 pcs holding by hands so that the fan motor does not fall Remarks Fan motor Propeller fan Flange nut Compressor 1 Perform work of item 1 of and 2 2 Extract refrigerant gas 3 Remove the partition board 511704 x 1063 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor thermo and the compressor from the terminal 6 Remove pipe connected to the compressor with a burner 7 Remove the fixing screw of the bottom plate and heat exchanger 511704 x 1061 pc 8 Remove the fixing screw of the bottom plate and valve clamping plate 511704 x 1002 pcs 9 Pull upward the refrigeration cycle 10 Remove nut fixing the compressor to the bottom plate Partition board EN Compressor thermo Compressor Reactor 1 Perform work of item 1 of and 2 Remove lead wires clung in holder on the partition board 3 Remove screws fixing the reactor ST1T 4 x 1064 pcs B Part name Pulse modulating valve coil Procedure Detachment Perform work of item 1 of D and Turn the coil clockwise counterclockwise by 90 degrees and remove coil from the pulse modulat ing valve Attachment Set take out part of the lead wire of coil to the coil inserting position of the pulse modulating valve a
75. er of the pipe 100mm hole is above the arrow Fig 9 2 2 1 After determining the pipe hole position on the mounting plate drill the pipe hole 265 mm at a slight downward slant to the outdoor side NOTE When drilling the 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 For installation of the indoor unit use the paper pattern on the back Indoor unit Fig 9 2 3 When the installation plate is directly mounted on the wall 1 Securely fit the installation plate onto the wall by screwing it in the upper and lower parts to hook up the indoor unit 2 To mount the installation plate on a concrete wall with anchor bolts utilize the anchor bolt holes as illustrated in the above figure 3 Install the installation plate horizontally in the wall When installing the installation plate with mounting Screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage C a mm Anchor bolt N x x Projection 15mm or less Fig 9 2 4 5 mm dia hole IAM du Mounting screw ES Q4 x 256 lt Clip anchor local parts Fig 9 2 5 Failure to firmly install the unit may result in personal injury and property damage if the unit falls n case of block brick concrete
76. eration 10 A B change indicator remote controller Push the CHECK point and Fix button at the same time to change the remote controller setting from A to B Priority is given to the A setting The electric controller of the indoor unit is also changed to the B setting In the illustration all indications are indicated for explanation During operation only the relevant indications will be indicated on the remote controller 38 8 6 Hi POWER Mode Hi POWER button the remote controller is pushed When Hi POWER button is pushed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation 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 f the difference between the preset tempera ture and the room temperature is big the horizontal louver moves to the Hi POWER position automatically Then when the differ ence between them gets smaller the horizon tal louver returns automatically 3 Heating operation The preset temperature increases 2 The value of the preset temperature on the remote controller does not change 4 The Hi POWER mode can not be set in Dry operation
77. et if the unit is in When the unit is turned on by this function the operation the orange lamp is on louver will not swing even though it was swinging This function can not be set if the timer operation automatically before shutting down has been selected While the filter check lamp is on the RESET button has the function of filter reset button _ 35 8 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system is on stand by not operating Operation Motions Push RESET button for more than The unit is on standby The unit starts to operate The orange lamp is on three seconds After approx three seconds The unit beeps three times The lamp changes from and continues to operate orange to green If the unit is not required to operate at this time push RESET button once more or use the remote controller to turn it off When the system is operating Push RESET button for more than The unit is in operation The orange lamp is on three seconds The unit stops operating The orange lamp is turned off After approx three seconds The unit beeps three times If the unit is required to operat
78. et if the power is off event of a power supply being accidentally shut Push the RESET button located in the center of the 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 front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is standby Not operating Operation Motions Push RESET button for more than The unit is on standby three seconds The unit starts to operate The green lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate green to orange If the unit is not required to operate at this time push RESET button once more or use the remote controller to turn it off When the unit is in operation Push RESET button for more than The unit is in operation The green lamp is on three seconds The unit stops operating The green lamp is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on While this function is being s
79. eventive function Defrost operation function Serial signal send receive Outdoor unit control 1 The operation conditions are selected by the remote controller as shown in the left 2 A signal 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 left 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 compressor outdoor fan motor 4 way valve and pulse modulating valve Indoor fan motor Louver motor Compressor Outdoor fan motor 4 way valve Pulse modulating valve PMV 2 Cooling Heating operation The operations are performed in the following parts by controls according to cooling heating conditions Operation ON Setup of remote controller Indoor fan motor control Louver control Indoor unit control Sending of operation command signal Compressor revolution control Outdoor fan motor control Outdoor unit 4 way valve control control In cooling operation OFF In heating operation ON Pulse modulating valve control S09 1 Receiving the operation ON signal of the remote controller the cooling or
80. 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 refrigerant 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 Liquid side OUTDOOR unit Refrigerant cylinder With siphon pipe Service port Electronic balance for refrigerant charging Fig 2 4 1 Configuration of refrigerant charging esos 1 Be sure to make setting so that liquid be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liqui
81. g cable e Wire type More than HO7RN F or 2451 66 1 0mm or more 9 3 5 Gas Leak Test Check places for vave cover flare nut connections indoor unit TE A Electric parts 4 Check places outdoor unit Fig 9 3 10 Check the flare nut connections for the gas leak with a gas leak detector or soap water 9 3 6 Test Operation To test the system push and hold RESET button for 10 sec A short beep will be heard RESET button Fig 9 3 11 49 9 3 7 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 The product was shipped with Auto Restart function in the off position Turn it on as required How to Set the Auto Restart Push and hold the RESET button for about 3 sec onds After 3 seconds three short electronic beeps will be heard to inform you that the Auto Restart has been selected To cancel the Auto Restart follow the steps de Scribed in the section Auto Restart Function of the Owner s Manual Setting of Remote Controller Selector Switch Remote controller selector switch If two indoor units are installed in the same room or adjoining rooms the second unit can inadvertently receive a remote controller signal and start operation when operating the first unit This can be prevented by setting
82. ge airflow level to HIGH YES Is it possible to rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between 5 and 8 of motor connector CN10 NO Fan motor operates normally 58 4 Indoor fan motor automatically starts to rotate by turning on power supply Cause The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply 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 CN10 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Usea thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board P C board Measure voltage between 3 GND BLACK and 5 V line YELLOW of motor connector CN10 while indoor fan motor is rotating 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor
83. he high voltage unit in the air purifier YES Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened NO Replace the power P C board MCC891 or the housing assembly Primary check Micro switch is stuck Replace micro switch Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES Micro switch malfunction Conduction check of micro switch Push the switch ON gt ON Release the switch 1 Check operation while short circuiting CN34 of the main P C board L OFF 2 Perform air purifying operation by the remote controller n this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display lamps 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 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 To item Only indoor fan does not operate YES Does the plasma lamp Blue NO the filter lamp Orange go on YES Does the plasma lamp go off within 2
84. he thermal sensor side and tear the tip of lead wire in two then strip the covering part 4 Pass the stripped part through the thermal constringent tube 5 Cut the old sensor 100 mm length on the connector side and recycle that connector 6 Tear the lead wire in two on the connector side and strip the covering part 7 Twist the leads on the connector and sensor sides and solder them 8 Move the thermal constringent tubes toward the soldered parts and heat them with the dryer and constring them 9 Wind the attached color tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again NOTES 1 Store the joint part of the sensor and the connector in the electric parts box 2 Never joint them near the thermal sensor part Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Cutting here Thermal 100 sensor part Connector ES 200 Cutting here Thermal constringent tube Cutting here 100 S Soldered part Prove Winding the color tape Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal gt 88
85. heating operation When indoor temperature is low this function stores the heat by heating winding depended on the outdoor tem perature and then it enables the hot air blowing out quickly In case of operation stop p The previous operation was heating and 2 hours passed after the operation had stopped Winding is not heated e SEES C SEEN me 30W or equivalent mare Indoor temperature Outdoor heat exchanger temperature When the following conditions are satisfied winding is heated by output varied by the outdoor heat exchanger temperature Condition 1 The previous operation was heating Condition 2 2 hours passed after operation stop Condition 3 The room temperature is 20 C or lower The indoor temperature sensor detects the room temperature If the detected room temperature is 20 C or lower the outdoor heat exchanger temperature sensor detects the outdoor heat exchanger temperature As shown in the left figure winding of the compressor is heated for each division of the temperature for each outdoor temperature and the heat is stored 8 Defrost control Only in heating operation This function removes frost adhered to the outdoor heat exchanger The temperature sensor of the outdoor heat exchanger Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system
86. 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 con tents 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 1 The power coupler of 4 way valve is usually turned on and it is turned off during defrost operation Only in heating Item Operation flow and applicable data etc Description 1 Basic operation 3 AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation Cooling operation Monitoring Fan Heating operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta the left figure 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode for 3 minutes Then sel
87. ht connection with a pair of nippers N Changing drain hose For left connection left bottom connection and rear left connection s piping it is necessary to change the drain hose and drain cap How to remove the Drain Cap Clip drain cap by needle nose plier and pull out fl 1 EIN B gt 45 How to install the Drain Cap Firmly insert drain hose connecting part unit hitting on a heat insulator Heat insulator 27 Fig 9 2 10 How to fix the Drain Cap 1 Insert hexagonal wrench 04mm in a center head Fig 9 2 11 2 Firmly insert drain cap No gap 2 pute sa N Do not apply lubricating oil refrigerant machine oil lt when inserting the drain cap If applied deterioration and Insert a hexagon drain leakage of the drain wrench 4mm plug may occur Fig 9 2 12 Firmly insert the drain hose and drain cap otherwise water may leak In case of right or left piping After scribing slits of the front panel with a knife or making off pin cut them with a pair of nippers or an equivalent tool In case of bottom right or bottom left piping After scribing slits of the front panel with a knife or a marking off pin cut them with a pair of nippers or an equivalent tool Left hand connection with piping Bend the
88. igh and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air Torque wrench nominal diam 1 2 5 8 Incidentally The size of opposite sides of flare nuts have been increased a common wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector Exclusive for HFC refrige rant 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 43 9 2 Indoor Unit 9 2 1 Installation Place A place which provides the spaces around the indoor unit as shown in the above diagr
89. ing the fan speed to L L M M or on the remote controller the operation is performed with the constant speed shown in Fig 3 and Table 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 5 according to the Fan speed set temperature and room w8 temperature L 2 3 Min air flow rate is controlled by temperature of the indoor heat exchanger Tc as shown in Fig 4 M H 2 4 Cold draft prevention the fan AUTO NO Limited No limit Fan speed TC Basic fan control Fan speed AUTO 1 Fan speed 2 Fan speed L x2 4 L 3 Fan speed M L x3 4 L Calculated with linear approximation from M and L M L x1 4 L M M Fig 5 In starting and in stability In starting WE speed is controlled by tempera ture of the indoor heat ex changer Tc as shown in Fig 6 to Min WD tap 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Fig 4 Cold draft preventive control Tc 46 45 46 45 34 33 Line approximate 33 H and SUL with Tc 32 33 32 21 20 4 A 4 4 4 4 Fan speed Fan speed Fan speed AUTO AUTO MANUAL in starting in stability in starting No limitation while fan speed MANUAL mode is in stability A When Tsc 2 24 A is 24 and when Tsc 24 A is Ts
90. ion 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 9 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 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 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electrician Improper repair s may result in water leakage electric shock and fire etc 3 2 2 Refrigerant Piping Installation 2 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints 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
91. is removed position detect circuit error occurred Replace P C board Measure resistance between wires of compressor and perform short circuit Replace compressor Current detect circuit error All off Displayed when error is detected Even if trying operation again all operations stop immediately Replace board Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or suction temp sensor Ts All off Displayed when error is detected 1 Check sensors TE TS 2 Check board A Disconnection or short All off circuit of discharge temp sensor Displayed when 1 Check discharge temp sensor error is detected TD 2 Check P C board M Outdoor fan drive off system error Displayed when error is detected Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor aw displayed Outdoor heat exchanger Operation 1 Check outdoor temp sensor temp sensor error continues TO 2 Check board Outdoor P C board am Compressor drive output error Compres Sor error lock missing etc Break down All off Displayed when error is detected When 20 seconds passed after start up position detect circuit error occurred Repl
92. k P M V is defective 19221 Refer to the chart in 10 6 Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off of TC sensor 10 6 Check Code 1C Miswiring indoor outdoor units and 1E Check procedure gt Gas leakage Discharge temp error disconnection of TS TC gas leakage sensors Check code 02 1C Check code 03 1E Valve drive check Is coil of the pulse modulating valve NO P M V correctly set YES Set it correctly lt Is connecter of coil connected to inverter YES Set it correctly Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Replace coil valve NS temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse modulating valve include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE outdoor suction temp sensor TS and outdoor sensor TO YES Set it correctly lt Gas amount check and valve clogging check Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by TEMP button
93. k to 20kO it is normal Fan motor is normal Outdoor P C board error Fan motor error NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor E 11 1 Indoor Unit Part name Front panel 11 HOW REPLACE THE MAIN PARTS Procedures 1 Stop operation of the air conditioner and turn off its main power supply 2 Push PUSH part under the front panel and remove hooks of the front panel from the installation plate 3 Remove the front panel fixing screws 2 pcs while opening the air inlet grille 4 Push the electric parts box with the right thumb while pulling the both sides of the front panel toward you How to assemble the front panel 1 Push three center positions and two lower center positions of the air outlet and then hang the hanging hooks 4 pcs at the top side of the front panel to the rear plate 2 Tighten two screws Incomplete hanging or incomplete pushing may cause a dewdrops or generation of a fluttering sound Remarks Installation plate Front panel Push Push Hanging hooks at the top side 4 positions Fixing O screw push Push Fixing screw Electric parts box assembly 1 2 3 4 Follow to the procedure in the item Remove the drain guide R
94. ke out the connecting cable through the cable slot on the rear panel so that it protrudes about 15cm 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 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 Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical requlations for any specific wiring instructions or limitations Terminal cover Connecting cable Earth line NOTE WIRE TYPE more than H07 RN F or 245 66 1 0mm or more Fig 9 2 7 Stripping length of connecting cable 9 2 5 Piping and Drain Hose Installation Piping and drain hose forming Since condensation results in a machine trouble make sure to insulate both the connecting pipes separately Use polyethylene foam as insulating material Rear right I Rear left m Bottom am m m m 58 Left mp oo mp om 2 Bottom right jme 2 wp Right mp Fig 9 2 8 L 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 right side of the front panel for the bottom left or rig
95. ller Display All indications except for the clock time indicator are displayed by pushing the b button 1 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor unit 2 Mode display Indicates the current operation mode AUTO ontrol Auto changeover control XX Cool Heat 3 Temperature display Indicates the temperature setting 17 C to 30 C 4 Air purifying indicator Shows that the electrical air purifying operation is in progress 5 FAN speed display Indicates the selected fan speed AUTO or five fan speed levels LOW LOW MED MED HIGH aall can be shown Indicates AUTO when the operating mode is Dry 3 14 2810 D Sr 97 5 6 6 TIMER and clock time display The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation 7 Hi POWER display Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation 8 Q MEMORY display Flashes for 3 seconds when the MEMO button is pushed during operation The mark is shown when holding down the button for more than 3 seconds while the mark is flashing Push another button to turn off the mark 9 ECO indicator Indicates when the ECO is in activated Push the ECO button to start and push it again to stop op
96. m mm Minimum joint thickness 2 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oils used in the installed air conditioner is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover 1 Flare Processing Procedures and Precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation c Insertion of Flare Nut Nominal diameter d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a conventional flare tool be sure to secure dimension A by using a gauge for size adjustment Fig 2 2 1 Flare processing dimensions Table 2 2 3 Dimensions related to flare processing for R410A Outer A
97. nd control for four way valve and outdoor fan outdoor fan and the pulse modulating valve P M V 3 Contents of operation command signal Serial Besides detecting revolution position of the com signal from indoor unit controller to outdoor unit pressor motor the outdoor unit controller controls controller speed of the compressor motor by controlling output The following three types of signals are sent from voltage of the inverter and switching timing of the the indoor unit controller supply power current transfer timing so that motors Operation mode set on the remote control drive according to the operation command And then the outdoor unit controller transfers Compressor revolution command signal defined reversely the operating status information of the 2 outdoor unit to control the indoor unit controller Correction along with variation of room tem perature and correction of indoor heat ex As the compressor adopts four pole changer temperature are added DC ms kau ofthe Temperature of indoor heat exchanger supply power from inverter to compressor is ve gnals Operation mode and elite cycles of the actual number of Compressor revolution indoor heat exchanger temperature the outdoor unit controller 1 Role of indoor unit controller monitors the input current to the inverter and performs the followed operation within the The noen Dian 22 range that current d
98. nd attach the coil Turn the coil by 90 degrees set surely the con cave part at lower part of the coil to the position ing hole of the pulse modulating valve and then fix the coil Remarks Take out part of lead wire Coil fix Coil inserting position position Coil inserting Positioning position hole Fan guard Detachment Perform work of item 1 of D and Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard Attachment Insert claw of the fan guard in the hole of the front cabinet Push the hooking claws 10 positions by hands and fix the claws All the attaching works have completed Check that all the hooking claws are fixed to the specified positions 82 Minus screwdriver Hooking claw Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD These are parts for servicing sensors Please check that the accessries shown in the right table are packed Procedure 1 Cut the sensor 100 mm longer than old one 2 Cut the protective tube after pulling out it 200 mm 3 Move the protective tube toward t
99. ndoor heat exchanger rises to 7 or higher the capacity control operation returns to the usual control in cooling operation R zone In heating operation Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat exchanger detects condensation temperature and controls the com pressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed a or When the value is in Q zone the compressor speed is kept N Indoor heat exchanger temperature Usual heating capacity control 28 1 When temperature of the indoor heat exchanger rises in the range from 52 C to 55 C the compressor speed is kept Q zone 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 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 C the capacity control operation returns to the usual control in heating operation R zone Item Operation flow and applicable data etc Description 7 Quick heating control This function quickens the starting of heating operation when indoor outdoor temperature is low Available only in
100. ne 9 3 3 Evacuating After the piping has been connected to the indoor unit you can perform the air purge together at once AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of vacuum pump 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 occur 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start for evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of gauge manifold 6 Open fully the valve b i gauge stem of the packed 101kP valves both side C76omHg SS Manifold valve of Gas and Liquid Handle Lo Koo Tull closed Ch h Ch h 7
101. necting part to the thermostat Procured locally Sleeve for Faston UL sleeve for 250 Procured locally Close end connector Use the most appropriate connector with the power cord diameter Procured locally Power cord 2 cores x 0 75 or more HOSRN F Procured locally Thermostat fixing plate Material S CC Z08 Board thickness 0 81 NOTE The parts on the above table are recommended parts Appendix 1 Procured locally Drawing attached Appendix 2 Required tools for installation work Part name Plus screwdriver Specifications It is used for disassembling and assembling of each cabinet Wrench It is used for disassembling and assembling of compressor fixing nuts Motor drill Drill diameter 23 2 O5 0 It is used to make the additional holes on the base or the back cabinet Faston crimping tool Fixing jig for 250 Close end connector crimping tool Cutting plier Stripper Cutter knife Insulation tape 3 Cord heater installation wiring diagram Fuse Thermostat Cord heater Be sure to connect the fuse and the thermostat to LIVE side of the cord heater Outdoor unit NOTE Separate the cord heater power from the air conditioner power and connect it to its exclusive breaker By doing so the power consumption can be decreased because the breaker can be turned off if there is
102. no possibility of freezing of the base in cooling operation etc When the cord heater power is connected to the inverter board assembly or others without connected to the exclusive breaker the control P C board of the inverter assembly may cause a failure Earth leakage circuit breaker Earth leakage circuit breaker Power supply for air conditioner Power supply for cord heater Appendix 2 Appendix 4 Cord heater installation work procedure Photo Explanatory diagram Procedure Remove each cabinet inverter assembly motor base assembly and partition board assembly Do not damage the electric parts such as cables connectors etc while this work Upper cabinet Remove the upper cabinet and the valve cover Related parts Screws list Used screw Part name Screw type Quantity Upper cabinet 4 x 10 2 Valve cover 4 x 10 1 Remove the front cabinet and the wiring cover Related parts Screws list Part name Used screw Screw type Quantity Front cabinet x 10 E Remove the back cabinet Related parts Screws list Part name Used screw Screw type Quantity Back cabinet Q4 x 10 Remove the inverter assembly Part name Connector No 7 Connector color TE sensor TD sensor CN600 White TO sensor TS sensor PMV coil 4 way valve coil
103. ns These holes are used to fix the cord heater to the outdoor unit base with P shape clamp As shown in the left figure install the cord heater 1 5m to the outdoor unit base by using P shape clamp and screws Self tapping screw type B O4 x 6mm stainless Pay attention to the direction of P shape clamp so that it is set to the same direction in the left figure If the drain port is frozen due to installation status etc draw around the cord heater so that the end part of the heater is inserted into the drain port In this case add some fixing positions to fix the cord heater surely The end part from the marked part of the cord heater heats up When there is the heating part near the electric parts box a fire may generate Be sure to set the heating part on the outdoor unit base at the fan room side or near it within 20cm from the outdoor unit base Be careful that the cord heater does not hit the fan marked part Fix the cord heater without any loosening or sag Drill a hole on the back cabinet for fixing the thermostat fixing plate Q5 hole at two positions When drilling a hole on the back cabinet be sure not to damage the cabinet Perform end process and bundling of each cable Using fixing screws Self tapping screw type B 03 5 x 8mm fix the thermostat to the thermostat fixing plate Perform end process for various lead cables and connect them according to the wiring diagram EE Attach 25
104. ntional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choos ing the tightening torque comply with values designated by manufacturers Table 2 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 2 2 7 Tightening torque of flare for R410A Reference values Outer diameter mm Tightening torque of torque wrenches available on the market Nominal diameter Tightening torque 14 to 18 140 to 180 16 160 18 180 33 to 42 330 to 420 42 420 50 to 62 500 to 620 55 550 63 to 77 630 to 770 65 650 2 3 Tools 2 3 1 Required Tools The service port diameter of packed valve of the outdoor unit in the air conditioner using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 012 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
105. o signal is received from the outdoor unit performs its role unit controller it is assumed as a trouble Compressor operation control Operation control of outdoor Operations followed to fan motor judgment of serial signal PM V control from indoor side 4 way valve control 54 8 2 Operation Description Item Operation flow and applicable data etc Description 1 Basic operation 1 Operation control Receiving the user s operation condition setup the opera tion statuses of indoor outdoor units are controlled Remote controller Control contents of remote controller ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select ON timer setup OFF timer setup High power Selection of operation conditions Indoor unit 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 Outdoor unit Outdoor unit control Frequency control of inverter output Waveform composite function Calculation function Temperature calculation AD conversion function Quick heating function Delay function of compressor reactivation Current release function GTr over current pr
106. oard normal NO YES Is DC310 340V supplied to primary side of transfer switch Refer to Primary check or this problem is one step short of power P C board block Transfer swith Are DC15V 12V Are DC15V 12V Turn off breaker once 1 for Secr de of aro again Seconda Side of power supply or x after removing motor RE fan motor is transfer switch transfeor switch defective Replace motor Be sure to disconnect the motor connector CN10 after shut off the power supply or it will be a cause of damage of the motor 2 Power is not turned on though Indoor P C board is replaced Confirmation procedure Turn on power supply Does operation lamp flash NO Is wired correctly to white and black lead wires of terminal block YES To item of Power supply is not turned on E57 3 Only the indoor motor fan does not operate Primary check 1 Is it possible to detect the power supply voltage 220 240 between D and Q 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
107. ocedure in the items D and 2 4 and remove the bearing from the bearing base Caution at assembling If the bearing is out from the housing push it into the specified position and then incorporate itin the main Drain pipe Fan motor 1 Follow to the procedure in the item Q 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor band Right and then remove the motor band Right 4 Pull the fan motor outward 5272 e In assembling work install the fan motor as follows Arrange mark of the concave round hole or circle mark correctly with mark of Concave the motor band Right gz round hole 2 circle mark Part name Cross flow fan Procedures 1 Stop operation of the air conditioner and turn off its main power supply 2 Follow to the procedure in the item 2 3 Remove two fixing screws at the left side of the end plate of the heat exchanger and remove two fixing screws of the bearing base 4 Lift up slightly the left side of the heat ex changer to remove the bearing base 5 Loosen the set screw of the cross flow fan 6 Remove two fixing screws of the motor band Right to remove the motor band Right Lc Cas Fixing screws SHG aes S Motor band Right 7 Slide the fan motor outward to remove it 8 Remove the fixing screws at the lower right side of the heat exchanger 9 Remove the heat
108. ode again if the compressor keeps stop status for 15 minutes 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 compressor motor speed may decrease by high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control 10 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote 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 52 10 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Indoor indication lamp flashes Which lamp does flash NOTES Table 10 3 1 Block display OPERATION Green Flashing display 1 Hz Description for self diagnosis Power failure when power is ON OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system
109. oes not exceed the allow commands from the remote controller an able value assumes the following functions Judgment of suction air temperature of the 4 Contents of operation command signal Serial indoor heat exchanger by using the indoor signal from outdoor unit controller to indoor unit temp sensor TA sensor controller Judgment of the indoor heat exchanger tem The following signals are sent from the outdoor perature by using heat exchanger sensor TC unit controller sensor Prevent freezing control etc The current operation mode Louver motor control The current compressor revolution Indoor fan motor operation control Outdoor temperature 1008 display conto Existence of protective circuit operation Transferring of operation command signal Serial signal to the outdoor unit For transferring of these signals the indoor unit Reception of information of operation status controller monitors the contents of signals and Serial signal including outside temp data to jugges Cus eee the outdoor unit and judgment display of error Contents of judgment are described below Air purifier operation control Whether distinction of the current operation 2 Role of outdoor unit controller status meets to the operation command signal Receiving the operation command signal Serial Whether protective circuit operates signal from the indoor unit controller the outdoor When n
110. of compres sor and resistance between outdoor frames by using a tester Ch s not grounded OK if 10MQ or more winding of Bae compressor OK if 0 51Q 0 570 between windings Check by a digital tester Winding is not opened Check fan motor pedes Operation Remove connector CN300 of signal the outdoor fan motor turn on the power supply breaker and perform the operation Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped a One or two of three Output check of fan motor voltages should be 5V position detect signal and others should be OV While connecting connector all are OV or SV it 5P CN301 for position is not accepted Check detection using a tester b When rotating the fan measure voltage between slowly with hands the resistance Between 5V voltage between pins should move from OV to Replace Check it with an analog control board tester 10 9 How to Check Simply the Main 2 Inspection procedures Parts 1 When a PC board is judged to be defective check for disconnection burning or discol 10 9 1 How to Check the P C Board oration of the copper foil pattern or this P C Indoor Unit board 2 The board consists of the following 2 parts a Main board part 1 Operating precautions 1 When removing the front panel or the P
111. olyethylene foam as insulating material When bending a pipe carefully do it not to crush it 46 9 2 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 up on the installation plate 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 up on the installation plate Hook here CD Installation plate Push unhook Fig 9 2 17 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing its bottom up at the specified parts 7 Push Push Fig 9 2 18 8 2 7 Drainage 1 Run the drain hose sloped downwards NOTE Hole should be made at a slight downward slant on the outdoor side Do not form the drain hose into the waved shape Do not rise the drain hose 19 Bx Do not put the Do not put the drain drain hose end hose end in the into water drainage ditch Fig 9 2 19 2 Put water in the drain pan and make sure that the water is being drained outside 3 When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe T ene pipe a
112. om the indoor unit push the button twice Mode select button MODE Push this button to select a mode Each time you push the button the modes cycle in order from A Auto changeover control lt Cool Dry Heat and back to A A receiving beep is heard 4 Temperature button 5 The temperature setting is increased to 30 V The temperature setting is reduced to 17 A receiving beep is heard 5 Fan speed button FAN Push this button to select the fan speed When you select AUTO the fan speed is automatically adjusted according to the room temperature You can also manually select the desired fan speed from five available settings LOW a LOW 2 MED MED HIGH A receiving beep is heard 6 Auto louver button SWING Push this button to swing the louver A receiving beep is heard Push this button again to stop the louver from swinging A receiving beep is heard Set louver button Push this button again to adjust the air flow direction A receiving beep is heard 8 ON timer button ON Use this button to change the clock and ON timer times To move up the time push of the 6 button To move down the time push of the 6 button 9 OFF timer button OFF Use this button to change the OFF timer times To move up the time push of the OFF button To move down the time push W of the OFF e button
113. oming in the outdoor unit 4 Insulate the unused cords conductors with water coming in the outdoor unit Process them so that they do not touch any electrical or metal parts Stripping length of connecting cable Terminal block L ong T 40 5 4 line Power Connecting cable cord Fig 9 3 9 RAS 10JKVP E RAS 13JKVP E 220 240 V 50 Hz ower source 220 V 60 Hz Maximum running current 10A 11A Installation fuse rating 25A D type HO7RN F or 2451EC66 Power cord 1 5 mm or more Wire type More than HO7RN F or 2451EC66 1 0 mm or more Connection cable Wrong wiring connection may cause some electrical parts burn out Be sure to comply with local requlations codes when running the wire from outdoor unit to indoor unit Size of wire and wiring method etc Every wire must be connected firmly This installation fuse 25A D type must be used for the power supply line of this air conditioner If incorrect or incomplete wiring is carried out it will cause an ignition or smoke Prepare the power supply for exclusive use with the air conditioner This product can be connected to the main breaker Connection to fixed wiring A switch which disconnects all poles and has a contact separa tion of at least 3 mm must be incorporated in the fixed wiring when connecting to a main breaker circuit NOTE Connectin
114. ompounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used braz ing filler flux Piping Used brazing material filler Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux Iron Iron Silver Vapor flux 1 Do not enter flux into the refrigeration cycle 2 When chlorine contained in the flux remains within the pipe the lubricating oil deterio rates Therefore use a flux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 2 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas 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
115. on Measurement Check Stop Check Measurement Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor Check whether 25A fuse on the control board assembly is blown or not F01 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 After operation turn off the power breaker after 2 minutes 20 seconds passed and discharge the electrolytic capacitor by soldering iron Check voltage between motor phases s not winding between D or opened or short circuited s not frame grounded with or 65 Summary If fuse was blown be sure to check the electrolytic capacitor and diode block 0801 Connect discharge resistance approx 100040W or soldering iron plug between terminals of the electro lytic capacitor 50042 of C14 with printed CAU TION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of OK if 500uF gt DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because 01 is a connector with lock Resistance between phases should be approx 55 to 77Q Should be 10MQ or more Diagnosis Process flowchart Contents Summary Check winding resistance between phases
116. or R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 5b Pipe bender 10 Hexagon wrench Use vacuum pump by 6 Level vial Opposite side 4mm attaching vacuum pump adapter 7 Screwdriver 11 Tape measure 2 Torque wrench For 46 35 9 52 8 Spanner or Monkey wrench 12 Metal saw 3 Pipe cutter 9 Hole core drill 865 4 Reamer Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester 2 Thermometer 4 Electroscope 2 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 When the compound gauge s pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s Connect the charge hose to packed valve service power switch 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 gaugess pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open
117. or band Right For incorporation of the motor band Right follow to the above procedure b incorporate two hanging hooks of the motor band Right into the main unit and then follow to the reverse procedure in 7 Motor band N Hanging hooks Right Q Two positions 75 Remarks 11 2 How to Replace the Parts of Electric Dust Collector Be sure to pull off the power plug before work Part name Electric dust collector Procedures 1 Remove the front panel Front panel 2 Remove a fixing screw and a connector 3 4 Remove the electric dust collector vertically to the heat exchanger Remove the air ionizer lt Caution at installation gt 1 Arrange screw hole on the end plate correctly to screw hole on the electric dust collector insert the fixing hooks at the rear side of the dust collector into the heat exchanger and then fix it with a screw 2 Install the air ionizer 3 Perform wiring of the lead wire as follows Remarks Connector Fixing hooks for heat exchanger Main frame unit 1 Follow to the procedure in item 2 Remove the dust collecting unit Lift up it once and then draw out it Upper frame collector 1 Remove the dust collecting unit 2 Remove the fixing hooks at 6 positions and separate the unit into upper frame and collector High voltage unit 1 Follow to the procedure in item 2 Remove two fixing hooks at
118. 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 discol ored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pressure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 2 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market Table 2 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all con taminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 2 2 3 to 2 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 2 2 2 Table 2 2 2 Minimum thicknesses of socket joints Nominal diameter Reference outer diameter of copper pipe jointed m
119. or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate 2 mounting Screws NOTE Install the installation plate using 4 to 6 pieces of mounting screw securing four corners with screws 44 9 2 3 Electrical Work 1 The supply voltage must be the same as the rated voltage of the air conditioner 2 Prepare the power source for exclusive use with the air conditioner NOTE e Wire type More than HO7RN F or 2451 66 1 0mm or more This appliance can be connected to the mains in either of the following two ways 1 Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be incorporate in the fixed wiring An approved circuit breaker or switches must be used 2 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 Perform wiring works so as to allow a generous wiring capacity 9 2 4 Wiring Connection How to connect the connecting cable Wiring of 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 according to the local cords into the pipe hole on the wall 4 Ta
120. perature is 0 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 It is recommended to procure an anti freeze heater locally for a safety installation of the air conditioner For details contact the dealer 41 9 1 1 Installation Diagram of Indoor and Outdoor Units Before installing the wireless For the rear left and left piping remote controller With the remote controller Wall cover removed correctly 67 mm or more load the figure supplied batteries while observing 140mm Hook their polarity or more 2 Wireless 8 Zeolite 3G remote controller filter Insert the cushion between 7 Installation the indoor unit and wall and plate fit the indoor unit for better installation work or more Do not allow the drain hose to 5 become slack Cut the piping Mounting screw hole slightly sloped Zeolite plus gr SANE filter 7 B N aU Make sure the drain hose is EL sloped downward Uh Flat head d S hield pipe W connected at the left rear left rear right right bottom right or bottom left as shown below wood scre t The auxiliary piping can be 4 Remote controller holder 600 mm or more 100 mm or more from wall Saddle Right Rear 2A right S B Rear H ottom left H Extension drain hose right H Option RB 821SW
121. r more ood hanging Center section Of main unit distance to wall 250 38 Outine of installation plate Center line of installation plate 304 eq 3 2 Outdoor Unit RAS 10JAVP E RAS 13JAVP E 600 90 A leg part 011 x 17U shape hole 225 drain hole 310 96 hole pitch For 08 010 anchor bolt 8 06 hole Anchor bolt long hole pitch 9 For sunshade roof attaching Fan guard ome 49 ars S qm a 20 97 a au 011 x 17 long hole Connecting pipe port Pipe dia 26 35 Connecting pipe port Pipe dia 29 52 600 4x anehar bol 28 anchor bolt 59 Intake Bu Intake i I I i I 250 or more s 100or a more Outside line Minimum distance Of product from wall 1 Outlet 4x 11 x 17 long hole 28 10 anchor bolt 14 For fixing outdoor unit Earth terminal Detailed A leg part 600 Outside line of product 2 06 hole Outside line of product Detailed B leg part 4 WIRING DIAGRAM 4 2 Outdoor Unit RAS 10JAVP E RAS 13JAVP E DB01 CONVERTER
122. r or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for control ling and maintaining of air conditioner Table 10 1 1 Operation of air conditioner When power breaker is turned ON the operation lamp Green of the indoor unit flashes Description The OPERATION lamp of the indoor unit flashes when power source is turned on If START STOP button is operated once flashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the 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 In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation m
123. ressor speed The speed control is performed as described in the left table based upon the discharge temperature Item Operation flow and applicable data etc Description 14 Pulse modulating valve PMV control This function controls throttle amount of the refrigerant in the refrigerating cycle According to operating status of the air conditioner this function also controls the open degree of valve with an expansion valve with pulse motor Starting up Initialize Move to initial position Compressor ON Td H control SH contro release control PMV open degree control Stop by remote controller Power OFF Room temp sensor Ta sensor control Defrost 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 1 When starting the operation move the valve once until it fits to the stopper Initialize n this time Click sound may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was excessively up adjust the open degree of valve so that it is in the range of set temperature Discharge temp control 4 When defrost operation is per formed the open degree of valve is adjusted according to each setup conditions during preparation for defrost and during defrost operation 4
124. ring resort etc and coat the surface with a paint 2 When performing brazing again at time of servicing use the same type of brazing filler 2 5 2 Flux 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 In the brazing process it prevents the metal surface from being oxidized By reducing the brazing 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 t is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human bogy 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 is higher than 800 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 c
125. s turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touch ing the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resis tance approx 100Q40W or plug of the solder ing iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500UF 400V on board and then perform discharging Inverter cover we Discharging position Discharging period 10 seconds or more lt 2 C board Plug of 2 Soldered surface soldering iron 10 1 First Confirmation 10 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally Fig 10 1 10 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 1096 If power voltage is not in this range the unit may not operate normally 10 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whethe
126. t and safe work 2 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and 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 pres sure in the refrigeration cycle becomes abnor mally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 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 refrigeration cycle Otherwise pressure in the refrigeration 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 refrigerat
127. t in the following condition Set the operation mode to HEAT Set the preset temperature much higher than room tem perature Check whether or not the compressor operates Check whether or not the OPERATION lamp flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat ex changer sensor short circuited 01 The heat exchanger sensor and the P C board are defective Refer to Table 10 4 1 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 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 The indoor fan motor is defective Protected operation of P C board The board is defective The connection of the motor connector is loose 10 9 2 P C Board Layout 3015 iN3NOd405 1uAS SIND 13 601 50 168 22 45V 1 Sensor characteristic table e 2 2 Eo
128. ting operation AUTO HEAT Cooling storage position Louver Directs downward 9 Heating storage position Louver Directs downward 76 Initial setting of Heating storage position Louver Directs downward 76 Air direction Horizontal blowing Inclined blowing Inclined blowing Blowing downward Horizontal blowing Swing operation is performed in width 35 with the stop position as the center If the stop position exceeds either upper or lower limit position swing operation is performed in width 35 from the limit which the stop position exceeded 30 Cooling AUTO COOL DRY operation Cooling memory position Powerful operation YES Room temp gt Set temp 3 5 NO YES Inclined blowing YES Cooling memory position Room temp Set temp 3 5 Heating operation Heating NO memory position ECO operation YES Room temp gt Set temp 3 0 NO Heating Horizontal memory position position Room temp gt Set temp 3 0 YES YES The louver position be arbitrarily set up by pushing FIX button Swing When pushing SWING button during operation the louver starts swing ing Item Operation flow and applicable data etc Description 10 ECO operation When pushing ECO button on the remote controller a quiet and mild operation is performed
129. way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the thermostat or by remote controller adjust the open degree of valve to the setup value before stop of the compressor 15 Select switch on remote controller A remote controller operates only one indoor unit When two indoor units are installed in a room or in two adjacent rooms this function prevents that two indoor units receive concurrently a signal from the remote controller as only one unit is to be operated Push the operation button on the remote controller Both indoor units YES start operation Unnecessary set Remote controller select Set Remote controller SELECT switches of one of two indoor units and the remote controller to B For details refer to Installation Manual 584 The indoor unit of which SELECT switch on the remote controller is set to B receives the signal sent from the remote controller set to B At shipment from the factory SELECT switch on the remote controller and indoor unit is set to A There is no display of A setting 8 3 Auto Restart Function 8 3 1 How to Set the Auto Restart Function This indoor unit is equipped with an automatic To set the auto restart function proceed as follows restarting function which allows the unit to restart The power supply to the unit must be on the operating with the set operating conditions in the function will not s

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