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SERVICE MANUAL

1. 2 Setting requirment operation 3 Push off remote ee 4 Press SET button while pressing CHECK button L PRESET J P with a tip of a pencil d IK J 5 Then press 5 button to transmit the signal to the _ MODE swine FAN indoor unit oe ox gx quer PURE ECO How TIMER COMFORT A A CLR SLEEP ON OFF ed v ser 1 r fe This setting helps to shortern a compressor waiting period when operate cool heat dry mode A compressor suddenly starts one order of Remote controller is received FILE NO SVM 12070 11 9 2 P C Board Layout T3 15A 250 C401 Cii 1 Sensor characteristic table Discharge temp sensor Room temp sensor Heat exchanger temp sensor Outdoor temp sensor Outdoor heat exchanger temp sensor Suction temp sensor Resistance value 0 10 20 30 40 50 Temperature C Part name Room temp TA sensor Heat exchanger TC sensor FILE NO SVM 12070 11 9 3 Indoor Unit Other Parts Checking procedure Disconnect the connector and measure the resistance value with tester Normal temp Remote controller Refer to 11 5 1 5 Louver motor MSBPC20F04 Measure the resistance value of each winding coil by using the test
2. Compressor m RM a kwa w BED 4 204 cu EH BLK 1 P06 Q200 205 Q300 305 88 IGBT MOS FET iA A LTA P25 l R221 R321 ECL puse YEL es 28 w O ER P214 T LOS aK weld 15 BRW Sat P C Board OY ee MCC 5009 Suction pipe I Temp Sensor ORN 250V T3 15A Reactor __ exo 00 101 Varistor 1 Discharge pipe emp ensor Anu 250V S T25A CN600 i P03 Pio P02 21 Condenser pipe ORN BLK WHI Temp Sensor Reactor DOSS lt Air purifier for tot Wp L Electrode Electrode 4 way Valve I Power Supply o l From Main Line fmm High Indoor Terminal Block 1 Y213 Heat Power Supply x c Exchanger 1 oo ba Es GRN amp YEL I Weg SHEET METAL DOOO z x Micro SW Sa m Der TY2Y3Y4 ES cNoapy WHI 5 TO H DIS o CNS lt s WHI RED SE p Q ac N Sr DC Motor oi J ER x CN31 WH Fan Motor e pp Gr ud 00 am E ES Heal Exchange Sensor CN62 Varistor BI ete CN32 Louver Motor Line WHI w RO C ra S Thermo Sensor Cup E DC5V O T WHI DC12VO 5 roy DC15VO i a O 1 E S o 10 Oo SCH Se lt E Color indication YEL YELLOW e D BLKBLACK 0 Ji REDRED SE BLUBLUE a a WHI WHITE e j GRN amp YEL i Main P C Board
3. Tighten firmly T inal but not over terminal control wire 0 12 N m 0 01 kgf m Control wire through out position Fig 10 3 10 lt For remote controller gt 1 Remove cover of remote controller by sliding down and take it out 2 If batteries are exist please take them out The combination of using wire controller and batteries may cause of batteries explosion 3 Make hole for insert control wire by use screwdriver break the polyester sheet as shown on figure 7 4 Insert control wire from rear side of remote controller as shown on figure 8 5 Fix control wire which arrange as shown on figure 9 and 0 to terminal by provided screws tighten firmly but not over 0 25 N m 0 03 kgf m 6 Set control wire through gutter way at rear side of remote controller as shown on figure 1 7 Fix provided screw Q 3 1 x 16L on the wall to hang remote controller as shown on figure 2 8 Mark and arrange hole for fix below screw 3 1 x 25L as shown on figure 2 9 Assembly battery cover which provided with accessory bag then use provide screw 2 3 1 x 25L to fix battery cover together with wall as shown on figure 3 tighten firmly but not over 0 15 N m 0 02 kgf m 10 Reassembly cover of remote controller Polyester sheet close hole for insert control wire 30 mm on ag 10 mm Wire size 28 22 AWG 0 08 0 32 mm Outer diameter not over 4 7
4. 102 mm E 320 mm Fig 10 2 1 e Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind e Use 28 mm or 10 mm anchor bolts and nuts e lf it is necessary to drain the defrost water attach drain nipple and cap water proof to the bottom plate of the outdoor unit before installing it 49 10 2 2 Accessory and installation parts FILE NO SVM 12070 Installation plate x 1 Remote control holder x 1 ut Part name Q ty N Part name Q ty N Part name Q ty 2 Flat head wood screw 3 1x252x1 2 R E Wireless remote control x 1 Filter x 1 Battery cover x 1 Omm Battery x 2 Pure Air Purifier x 1 Screw 4 x 10 0 x2 Others Name Owner s manual Installation manual Oum In Mounting screw 24 x 25 x 6 Drain nipple x 1 gt Flat head wood screw 23 1 x 16 0 x 2 Cap water proof x 2 50 The part marked with asterisk is packaged with the outdoor unit FILE NO SVM 12070 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve
5. EE 37 13 Self Cl aning EE 38 14 Remote Controller A or B selection Dre uU DIM EEG 39 DECEPTUM 40 IG COMFORT SLEEP ccr 40 Dr DNUS Nc ed ad cary a see 40 One WMC TC ONION aise a m 41 19 Be ae MOQ cem E SE een ree 41 20 JCT ONE Rer H 41 Auto Restart Function 9 3 1 How to Set the Auto Restart Function a 42 9 3 2 How to Cancel the Auto Restart Function 43 9 3 3 Power Failure during Timer Operation 43 Remote Controller 9 4 1 Remote Controller and Its Functions mmn nne 44 9 4 2 Operation of Remote Controller enne 44 9 4 3 Names and Functions of Indications on Remote Controller 47 FILE NO SVM 12070 Item Operation flow and applicable data etc 1 Basic Operation control operation Receiving the user s operation condition setup the operation statuses of indoor outdoor units are controlled 1 The operation conditions are selected by the remote controller as shown in the below 2 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 below 4 The indoor controller c
6. re E Eel Cross flow fan TA 9 9 Max 20 s S s Min 2 P Pressure measurement Deoxidized copper pipe S E SE i b Gauge attaching port Outer dia 6 35mm 209 16 to 20m SEU Vacuum pump connecting port Thickness 0 8mm 25 e Sectional shape z Deoxidized copper pipe of heat insulator Outer dia 12 7mm Thickness 0 8mm NT IF T Strainer 4 way valve STF 0108 Z Muffler Y Pulse Modulating valve Muffler 69 atliquid side CAM BD16TCTH 2 TD DA131S1B 31FZ H TS TO Split capillary 2 dia 1 2 x 80 Outdoor heat exchanger Compressor m Distributor TE Propeller fan Refrigerant amount 1 40kg OUTDOOR UNIT NOTE m Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating NOTE The maximum pipe length of this air conditioner is 20m When the pipe length exceeds 15m the additional charging of refrigerant 20g per 1m for the part of pipe exceeded 15m is required Max 100g RAS 22N3KVR E RAS 22N3AV E INDOOR UNIT Indoor heat exchanger FILE NO SVM 12070 Temp measurement r Cross flow fan TA 0 Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized co
7. RAS pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa ps High High 9 22N3KVR E 2 6 to 2 8 42 to 44 NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent Thermistor themometer 2 Connecting piping condition 7 5 m FILE NO SVM 12070 8 CONTROL BLOCK DIAGRAM 8 1 Indoor Unit M C U Indoor Unit Control Unit I Heat Exchanger Sensor Tc Functions pero I Cold draft preventing Function Room Temperature Sensor Ta 3 minute Delay at Restart for Compressor METTI Motor Control SCH Fan Motor Starting Control Processing i Indoor Fan Motor Serial Signal Communication Temperature Processing Air purifier Clean Function Micro Switch Infrared Rays Signal Receiver and Indication Initializing Circuit Timer Clock Frequency i Oscillator Circuit Power Supply Circuit 2 2 Converter D C circuit Noise Filter Serial Signal Transmitter Receiver I K x From Outdoor Unit 220 240V 50Hz Serial Signal Communication 220 230V 60Hz Operation Command and Information REMOTE CONTROLLER Remote Controller Infrared Rays 36 7kHz Operation 5 Operation Mode Selection AUTO COOL DRY HEAT FAN Thermo Setting Fan Speed Selection ON TIMER Setting OFF TIMER Setting Louver Direction Setting
8. gt No trouble High Voltage tester 11 8 How to Diagnose Trouble in Outdoor Unit Check Power Supply Voltage Rate 10 Turn OFF power supply Remove connector of compressor Check 25 fuse F01 failure NO YES Check component parts of control board assembly by visual damage burn Etc Replace fuse Turn ON power Supply Check terminal Voltage of electrolytic capacitor are in Voltage Rate 10 x 1 414 Replace control board Turn ON the unit by remote controller and wait for 3 min Cooling 17 FILE NO SVM 12070 e Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of the electro lytic capacitor 500uF of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering iron FILE NO SVM 12070 Does outdoor fan NO operate normally YES Turn OFF power supply YES Does compresser operate normally NO Remove connector CN300 of outdoor fan motor NO Check winding resistance by ohmmeter are correct one Check rotor locking by rotate Is norma with hand Can it rotate Turn OFF power YES supply Replace outdoor Replace control fan motor board Check compressor NO winding resistance c
9. 88 H e 6 hole 36 11x14 hole 50 R15 B Detail Drawing Front leg COVER PV 2 e 320 342 j 1 s gi Liquid side Flare 6 35 1 Gas side Flare 212 7 N Ow S D Service port f I T H E Z View Z 600 1000r more 3 Air intlel p 91 Z Air outlel 100 or more d IEN 600 or more Installation dimension 16 2 R5 5 x 17L Ushape 600 or more For 28 10 anchor bolt 2 011 x 14 Long holes For 28 210 anchor bolt FILE NO SVM 12070 5 WIRING DIAGRAM 5 1 Indoor Unit Outdoor Unit
10. Collector output A H Be sure not come lonizer to contact to the gray output part or not to touch the ionized cables High voltage tester Replace the high voltage generator NO No trouble FILE NO SVM 12070 11 7 2 How to Check Whether the Minus lon Generator is Good or Not Turn off the power breaker once and turn on again after 10 seconds m NO Ww gt Does the OPERATION indicator flash To item Power supply is not turned on YES Turn off the power breaker and remove CN41 Micro switch connector Short circuit between 1 and 2 of CN41 at PC side and turn on the power breaker after 10 seconds Is DC12V applied between Red DC12V and Brown GND of CN1 of the high voltage generator in the air purifier Replace the main P C board or the housing assembly Primary check YES Is there conduction of micro switch connector under OFF status of the micro switch YE 2 Micro switch is stuck Front panel opened Replace micro switch NO Is there conduction of NO Micro switch malfunction Conduction check of micro switch micro switch connector under ON status of the micro switch Push the switch ON Front panel closed Release the switch YES OFF 1 Check operation while short circuiting CN41 of the main P C board 2 Perform air purifying operation by the remote controller n
11. Pipe hole 265 mm k Hook Mountin Installation plate Pipe hole Thr ad Seu g Weight Indoor unit Fig 10 3 3 52 lt When the installation plate is directly mounted on the wall gt 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 use the aanchor bolt holes as illustrated in the below figure 3 Install the installation plate horizontally in the wall CAUTION When installing the installation plate with mounting screw do not use the anchor bolt holes Otherwise the unit may fall down and result in personal injury and property damage Installation plate Keep horizontal direction EE x O x Anchor bolt Projection 15mm or less Fig 10 3 4 5 mm dia hole Clip anchor E local parts Fig 10 3 5 Mounting screw Q4 x 254 CAUTION Failure to firmly install the unit may result in personal injury and property damage if the unit falls n case of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it 53 FILE NO SVM 12070 10 3 3 Wiring Connection How to connect the connectin
12. Gas leakage Trouble on PMV Break down of compressor All off Displayed when error is detected Check power voltage 220 230 240 V 10 Overload operation of refrigeration cycle Check installation condition Short circuit of outdoor diffuser d 4 way valve inverse error TC sensor value lowered during heating operation Operation continues Check 4 way valve operation FILE NO SVM 12070 11 5 Judgement of Trouble by Every Symptom 11 5 1 Indoor unit Including remote controller 1 Indoor unit is not operated Check Item Considerable principle cause Turn off power supply once and 5 second later turn it on again NO Is OPERATION indicator flashing YES Is it possible to turn on A C by pushing button on remote controller YES Measures Item by symptoms Does transmission mark on remote controller flash normally and is its signal transmitted properly NO Remote controller is defective Refer to 5 Troubleshooting for remote controller Unit operates normally Point remote to digital camera Can see infrared ray at sending LED on camera monitor when push Replace remote control 5 button YES Does fan motor PN TO D between CN10 1 YES short circuit Is fuse F01 YES o
13. 1 When temperature of the indoor heat exchanger rises in the range from 52 C to 55 C the compres sor 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 drops in the range from 55 C to under 48 C the compressor speed is kept Q zone 4 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 Operation flow and applicable data etc Defrost control This function removes frost adhered to the outdoor Only in heating heat exchanger operation The temperature sensor of the outdoor heat ex changer Te sensor judges the frosting status of the outdoor heat exchanger and the defrost operation is performed with 4 way valve reverse defrost system Start of heating operation 4m Operation time Ki T Minute Outdoor heat exchanger temperature Te0 detection time The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as Te0 Table 1 When TeO 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 TeO TE gt 3 continued for 2 minutes in C zone defrost oper
14. 102 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS These are parts for servicing sensors Please check that the accessories 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 the 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 con nector 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 box FILE NO SVM 12070 Remarks Cutting here Thermal 100 sensor part Connector 200 Cutting here pc Thermal constringent tube Cutting here 100 AS Soldered part Winding the color tape 1 Store the joint part of the sensor and the connector in the electric parts 2 Never joint them near the thermal sensor part Oth
15. Connecting cable Power cord 1234 Ji Connecting cable Fig 10 4 9 Y Earth line Power cord 18 Class 22 Class 220 240V Single phase 50Hz Powar source 220 230V Single phase 60Hz Maximum running current 10 0A 13 5A Plug socket amp fuse rating 16A 16A Power cord H07RN F 60245 IEC66 1 5 mm Connecting cable H07RN F or 60245 IEC66 1 0 mm2 e Wrong wiring connection may cause some electrical parts burn out e Be sure to comply with local cords on running the wire from indoor unit to outdoor unit size of wire and wiring method etc e Every wire must be connected firmly e This installation circuit breaker must be used specified for the power supply line of this air conditioner e f incorrect or incomplete wiring is carried out it will cause an ignition or smoke e Prepare the power supply for exclusive use with the air conditioner e This product can be connected to the mains Connection to fixed wiring A switch which disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring 10 5 Others 10 5 1 Gas leak test Check places for indoor unit Flarenut connection Electric parts cover Check places for outdoor unit Fig 10 5 1 Check the flare nut connections for the gas leak with a gas leak detector or soap
16. used for the check codes 5 15 5 is A is C B is 6 h is B d is D Press CHECK button with a tip of pencil to set the remote controller to the service mode is indicated on the display of the remote controller Press ON or OFF A button If there is no fault with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes D I to 33 as shown in Table 11 3 1 Press ONY or OFF Y button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note the check code on the display of the remote controller e 2 digits alphanumeric will be indicated on the display All indicators on the indoor unit will flash 5 times per 1 sec Press CLR button After service finish for clear service code in memory e 7F is indicated on the display of the remote control Press 0 button to release the service mode The display of the remote controller returns to as it was before service mode was engaged Fig 9 4 1 11 4 2 Caution at Servicing FILE NO SVM 12070 1 After using the service mode of remote controller finished press the 0 button to reset the remote controller to normal function 2 After finished the di
17. 5045 qu CN11 CN81 BLK WHI FILE NO SVM 12070 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit Parts name Fan motor for indoor Model name MF 340 30 3 DC340V 30W Room temp sensor TA sensor 10kQ at 25 Heat exchanger temp sensor TC sensor 10kQ at 25 Louver motor 6 2 Outdoor Unit Parts name Reactor MSBPC20F04 Model name CH 57 Z T Output Raed 1W 16 poles DC12V L 10mH 16A 50Hz Outdoor fan motor ICF 140 43 4R DC140V 43W Suction temp sensor TS sensor Inverter attached 25 C Discharge temp sensor TD sensor Inverter attached 62kQ 20 C 3 3kQ 100 C Outside air temp sensor TO sensor Inverter attached 25 C Heat exchanger temp sensor TE sensor Inverter attached 10kQ 25 C Terminal block 5P JXO 5B 20A AC250V RAS 18N3AV E Compressor DA131S1B 31FZ RAS 22N3AV E DA150A1F 20F 3 phases 4 poles 1100W Coil for PMV CAM MD12TCTH 5 RAS 18N3AV E Coil for 4 way valve STF 01AJ646A1 RAS 22N3AV E STF 01AJ503K1 AC220 240V 50 60Hz FILE NO SVM 12070 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram RAS 18N3KVR E RAS 18N3AV E INDOOR UNIT T1 Temp measurement r Indoor heat exchanger i
18. FILE NO SVM 12070 11 1 First Confirmation 11 1 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 11 1 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 11 1 3 Operation Which is not a Trouble Program Operation For controlling the air conditioner the program operations are built in the microcomputer as described in the following table If a claim is made for running operation check whether or not it meets to the contents in the following table When it does we inform you that it is not trouble of equipment but it is indispensable for controlling and maintaining of air conditioner Table 11 1 1 Operation of air conditioner When power breaker is turned ON the operation indicator Green of the indoor unit flashes Description The OPERATION lamp of the indoor unit flashes when power source is turned on If 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
19. Control wire Remote controller Fig 10 3 8 lt For indoor unit gt 1 Open the air inlet grille upward 2 Securely remove four screws at the front panel 3 Slightly open the iower part of the front panel thon pull the upper part of the front toward you to remove it from the rear plate as shown on figure 4 After removing the front panel remove the screws and Display unit from the unit as shown on figure 2 then open the front cover of Display unit as shown on figure 3 5 Arrange the control wire as detail and specification as shown on figure 2 6 Securely connect the control wire to terminal of display unit board as shown on figure tighten firmly but not over 0 12 N m 0 01 kgf m 7 Setthe control wire throughout at slot on front cover of display unit then reassembly display with main casing by reverse process of figure 2 and 3 Make sure the control wire must not be pressed by front and rear cover of display unit 8 Set the control wire out from indoor unit same portion as power supply and connecting cable as shown on figure 9 Reassembly the indoor unit by reverse process of 1 to 3 Air inlet grille Front panel Display unit Fig 10 3 9 B4 FILE NO SVM 12070 70 mm Wire size 28 22 AWG 0 08 0 32 mm Outer diameter not over 4 7 mm control wire length 30 m or less We EAM Control wire
20. e Operation mode is set on AUTOMATIC operation preset temperature is 24 and fan operation is automatic speed TIMER OPERATION Setting the ON Timer Setting the OFF Timer A 1 Press HN Set the desired ON timer Press Get Set the desired OFF timer v 2 Press Set the timer Press Set the timer 3 Press VD Cancel the timer Press Daily timer allows the user to set both the ON amp OFF timers and will be activated on daily basis Setting Daily Timer A 1 Press EI Set the ON timer Press ser Press SET button during the t or b 2 Press Set the OFF timer e 9 v mark flashing During the daily timer is activation both arrows f or are indicated Note Keep the remote control in accessible transmission to the indoor unit otherwise the time lag of up to 15 minutes will occur The setting will be saved for the next same operation FILE NO SVM 12070 10 PRESET OPERATION Set your preferred operation for future use The setting will be memorized by the unit for future operation except air flow direction 1 Select your preferred operation 2 Press and hold Ps for 3 secon
21. 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 3 2 5 Flare and flare nut dimensions for R410A Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm FILE NO SVM 12070 Table 3 2 6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm Flare nut width diameter mm mm B C mm 0 ge Fig 3 2 2 Relations between flare nut and flare seal surface 2 Flare Connecting Procedures and Precautions a Make sure that the flare and union portions do not have any scar or dust etc b Correctly align the processed flare surface with the union axis c Tighten the flare with designated torque by means of a torque wrench The tightening torque for R410A is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values i Outer i i Tightening torque of t diameter T
22. ELECTRIC PARTS MAY BE DAMAGED CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION TO PREVENT OVERHEATING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R410A WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON PERSONS IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE IT CAUSES GENERATION OF POISONOUS GAS WHEN INSTALLING OR RE INSTALLING THE AIR CONDITIONER DO NOT INJECT AIR OR OTHER SUBSTANCES BESIDES THE DESIGNATED REFRIGERANT R410A INTO THE REFRIGERATION CYCLE IF AIR OR OTHER SUBSTANCES ARE MIXED AN ABNORMAL PRESSURE CAN OCCUR IN THE REFRIGERATING CYCLEL AND THIS CAN CAUSE AN INJURY DUE TO A PIPE RUPTURE FILE NO SVM 12070 WARNING Installation work must be requested from the supplying retail dealership or professi
23. Indoor Unit Part name Procedures Remarks Front panel 1 Stop operation of the air conditioner and turn off its main power supply 2 Open the air inlet grille push the arm toward the outside and remove the grille 3 Remove the left and right air filters 88 Part name Electric parts box assembly Procedures 1 Follow the procedure up to 6 in D above 2 Remove screw of earth lead attached to the end plate of the evaporator 3 Remove the lead wire cover and remove connector for the fan motor and connec tor for the louver motor from the electric parts box assembly 4 Pull out TC sensor from sensor holder of the evaporator 5 Disengage the display unit by simply pushing at the top of the display unit 6 Remove the fixing screw that secures the electric parts box assembly LED assembly and remove the assembly lt How to assemble the electric parts box gt 1 Hook the top part of the electric parts box assembly onto the claws on the back body and secure it using the fixing screw Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom 89 FILE NO SVM 12070 Remarks Electric part box cover Earth Screw TC sensor Fan motor connector L
24. Indoor fan air flow rate F RAS I8N3KVR E 18N3KVR E an spee level COOL HEAT Fan EE eee Air flow rate Fan ENT Air flow rate rpm m3 h rpm m3 h FILE NO SVM 12070 Hm Operation flow and applicable data etc Description 2 Indoor fan lt ln heating operation gt 1 When setting the fan speed to L motor control L M M or H on the remote controller the operation is per formed 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 set Indication Fan speed temperature and room temperature L w8 3 Min air flow rate is controlled by TE L M 2 temperature of the indoor heat exchanger Tc as shown in Fig 4 M WA 4 Cold draft prevention the fan speed M M H 2 is controlled by temperature of the H aall WE indoor heat exchanger Tc as shown in Fig 6 5 In order to prevent Cold draft when compressor step during heating operation Then louver will move to upper position and fan speed will Limited to Min WD tap reduce or off Min air flow rate control No limit Fan speed TC 42 a 10 x WD W8 W8 In up operation 1 in down operation 0 Cold draft preventive control Basic fan control Fan speed Tc 46 46 45 45 TA C Line approximate 33 33 H and SUL w
25. connection is normal check the P C board Replace P C board Block distinction Operation of diagnosis function Air conditioner status Serial signal Indoor unit Check code Display flashing error Flashes when and connecting connecting cable or operates error is detected cable miss wiring continue Flashing stop 2 Operation signal has not Outdoor unit and outdoor unit send from the indoor unit stop start to operate when operation start when the return 3 Outdoor unit has not signal from the send return signal to the outdoor unit is indoor unit when operation normal started 4 Return signal from the outdoor unit is stop during operation Some protector hardware if exist of the outdoor unit open circuit of signal Signal circuit of indoor P C board or outdoor P C board is failure in some period Note Operation signal of the indoor unit shall be measured in the sending period as picture below Sending signal of the indoor unit when have not retum signal from the outdoor unit i 3 minutes Delay start counting from power supply ON or remote OFF 3 minutes stop Voltage variation stop or have not voltage output Measured signal voltage by apply diode 0 3 4 7 8 Time Min Signal send only 1 minute and stop Because of return signal from outdoor unit has not received Signal resend again after 3 minutes stop And the signal will send continuously
26. mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the PC board base Remove the heat sink and control board assembly while keeping them screwed together NOTE Disengage the four claws of the PC board base hold the heat sink and lift to remove it 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board assembly When mounting the new control board assembly ensure that the PC board is inserted properly into the P C board support groove 98 FILE NO SVM 12070 Remarks CN603 CN601 r4 CN300 CN700 CN602 CN300 and CN603 are connectors with locking mechanisms as such to disconnect them they must be pressed in the direction of the arrow while pulling them out SCH P C board base P C board Part name Side cabinet Procedure 1 Side cabinet right 1 Perform step 1 in and all the steps in 2 Remove the fixing screw ST1T 4 10L 4 pcs used for securing the side cabinet to the bottom plate and valve fixing panel Side cabinet left 1 Perform step 1 in 2 Remove the fixing screw ST1T 4 10L 1 pc used to secure the side cabinet left onto the heat exchanger 3 Remove the fixing screw ST1T 4 x 10L 2 pcs use
27. 500 rpm Self Cleaning operation times Operation time Self Cleaning operation time No Self Cleaning operation HEES performed 0 minutes Cooling Auto cooling Dry 10 minutes or longer 30 minutes Heating Auto heating Auto fan only No Self Cleaning operation performed Shutdown To stop an ongoing Self Cleaning operation at any time Push the start stop button on the remote controller twice during the Self Cleaning operation After pushing the button for the first time push it for the second time without delay within 10 minutes FILE NO SVM 12070 13 Self Cleaning function Operation display FCU fan Self Cleaning diagram ON 500RPM ON rpm is depend on presetting OFF FCU louver OPEN OPEN 12 7 CLOSE Timer display ON or OFF depend on presetting of timer function ON ON or OFF depend on presetting of timer function Compressor ON or OFF depend on presetting per room temperature OFF CDU fan ON or OFF depend on presetting per room temperature OFF gt Self Cleaning n nmode operate 30 mins Cool mode or dry mode lt operation more than 10 mins Turn off by remote controller or timer off function Operation time Automatically turn off 14 Remote Controller A or B selection Setting the remote controller To separate using of remote controller for eac
28. C or less than the setup temperature turn off the compressor Fan speed FILE NO SVM 12070 Operation flow and applicable data etc Description 2 Indoor fan lt ln 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 UH Ultra High control induction motor The fan rotates in 5 stages in H High MANUAL mode and in 5 stages in AUTO mode respectively M Medium Table 1 M Medium L Low L Low COOL ON L Low UL Ultra Low SUL Super Ultra Low Fan speed setup MANUAL ig The fan speed broadly varies due to position of the louver etc The described value indicates one under condition of inclining AUTO Indication Fan speed L lt W6 downward blowing L L M 2 1 When setting the fan speed to L L M M or H on the remote M W9 controller the operation is M H 2 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 WC 8 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Table 1
29. FILE NO SVM 12070 10 5 3 Test operation 10 5 4 Auto restart setting To switch the TEST RUN COOL mode press This product is designed so that after a power failure RESET button for 10 sec it can restart automatically in the same operating mode The beeper will make a short beep as before the power failure The product was shipped with Auto Restart function in the off position Turn it on as required lt How to set the auto restart gt 1 Press and hold the RESET button on the indoor unit 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds Fig 10 5 3 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink e n case of ON timer or OFF timer are set AUTO RESTART OPERATION dose not activate RESET button FILE NO SVM 12070 11 HOW TO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 Troubleshooting Procedure ch First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Check Code Judgment of Trouble by Every Symptom Check Cod
30. Outdoor fan speed rpm 560 640 670 700 800 800 50 56o 640 606 670 700 750 80 800 20 900 1000 1000 4 Capacity Operation flow and applicable data etc 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 control Remote controller Indoor unit Set temp Ts Room temp 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 lt Operating Hz Inverter output change Commutation timing change Change of compressor speed FILE NO SVM 12070 Description 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 spee
31. Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies 3 5 Brazing of Pipes 3 5 1 Materials for Brazing 1 Silver brazing filler Silver brazing filler is an alloy mainly composed of silver and copper It is used to join iron copper or copper alloy and is relatively expensive though it excels in solderability Phosphor bronze brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 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 OUTDOOR unit juejeBujeH Fig 3 4 2 Electronic Cylinder without siphon Gauge manifold OUTDOOR unit Japul Ao 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 spring resort etc and coat the surface with a paint When performing brazing again at time of servicing use the same type of brazing filler 3 5 2 Flux 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
32. display on remote show high Replace remote Change the new PC board Does fan speed change YES Replace motor Fan motor operates normally Is it possible to rotate cross flow fan by hand properly Does check cross flow Replace bearing fan bearing normal of cross flow fan condition Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between and O of motor connector CN31 Replace indoor fan motor Peplace main P C board Y Y FILE NO SVM 12070 4 Indoor fan motor automatically starts to rotate by turning on power supply lt Cause gt The IC is built in the indoor fan motor Therefore the P C board is also mounted to inside of the motor Ifthe P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Turn on breaker 2 After Fan motor operate off A C by remote controller 3 Turn off breaker for a while then turn it ON 3 1 If fan motor not operate it means an unit in Auto restart operation see more detail in P 50 51 3 2 If Fan motor still operate follow the below 3 2 1 Remove the grille 3 2 2 Remove the cover terminal by release one screw 3 2 3 Check DC voltage with CN31 connector while
33. drain cap If applied deterioration and fixation drain leakage of the drain wrench 4 may oceur Fig 10 3 16 lt How to attach the drain hose gt Always use the original screw that secured the drain hose to the unit If using a different screw may cause water to leak Insert the drain hose firmly until the connector contacts with the insulation then secure it in place using the original screw CAUTION Firmly insert the drain hose and drain cap otherwise water may leak lt ln case of right or left piping gt After scribing slits on the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 3 17 56 FILE NO SVM 12070 lt ln case of bottom right or bottom left piping gt After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Left hand connection with piping Bend the connecting pipe so that it is laid within 43 mm above the wall surface If the connecting pipe is laid exceeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender so as not to crush the pipe Refer to the table below for the bending radius of each connection pipe Outer diameter Bending radius 26 35 mm 30 mm 212 70 mm 215 88 mm 50 mm To connect
34. 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 1 Louver position in cooling operation Cooling operation AUTO COOL Initial setting of Cooling storage position Louver Horizontal blowing 37 4 2 Louver position in heating operation Heating operation AUTO HEAT Initial setting of Heating storage position Louver Directs downward 76 9 2 Air direction adjustment Air direction Horizontal Inclined Blowing Inclined Horizontal blowing blowing downward blowing blowing GA AAAS e Swing operation is performed in width 35 with the stop position as the center e f 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 The louver position can be arbitrarily set up by pushing FIX button Swing When pushing SWING button during operation the louver starts swinging 9 ECO operation Operation flow and applicable data etc When pushing ECO button on the remote controller a Economic operation is performed lt Cooling operation gt This function operates the air conditioner with the difference between the set and the room temperature as shown i
35. it prevents the metal surface from being oxidized By reducing the brazing fillers surface tension the brazing filler adheres better to the treated metal FILE NO SVM 12070 2 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human body As the flux works in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc 3 Types of flux Noncorrosive flux Generally it is a compound of borax and boric acid It is effective in case where the brazing tem perature is higher than 800 C Activated flux Most of fluxes generally used for silver brazing are this type It features an increased oxide film removing 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
36. mm control wire length 30 m or less Control wire Terminal Tighten firmly but not over 0 25 N m 0 03 kgf m Fig 10 3 11 Control wire Control wire T Screw 3 1 x 16L for hang remote controller Hole for hang remote controller Wall Remote controller Screw 23 1 x 251 for fix battery cover B Tighten firmly but not over 0 15 N m 0 02 kgf m Fig 10 3 12 Remark 1 Recommend to use double insulation lead wire for connect remote control and air conditioner 2 For wire operation 1 remote control can control only 1 indoor unit 3 In wire operation remote controller will return to initial condition PRESET TIMER and CLOCK will return to initial condition when user shutdown power supply of air conditioner How to install the air inlet grille on the indoor unit gt e When attaching the air inlet grille perform the same process as for removal but in severse order 10 3 5 Piping and drain hose installation lt Piping and drain hose forming Since dewing results in a machine trouble make sure to insulate both connecting pipes Use polyethylene foam as insulating material 55 FILE NO SVM 12070 Rear right c Rear left o Bottom left Pc cg e Left O o o c E k Bottom right o r c c cece o Right 1 Die cut
37. obstacles such as curtain that may block the signal from the remote control Do not install the remote control in a place exposed to direct sunlight or close to a heating source such as a stove e Keep the remote control at least 1 m apart from the nearest TV set or stereo equipment This is necessary to prevent image disturbances or noise interference e The location of the remote control should be determined as shown below Indoor unit D n ion Remote CS Reception 2 Remote range control control Fig 10 3 1 FILE NO SVM 12070 10 3 2 Cutting a Hole and Mounting Installation Plate lt Cutting a hole gt When install the refrigerant pipes from the rear C e ho e The center of the pipe hole is above the arrow Fig 10 3 2 1 After determining the pipe hole position on the installation plate c drill the pipe hole 65 mm at a slight downward slant to the outdoor side NOTE When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Anchor bolt holes Specs DET E Lom H D o E 854 5 jE m ls MES d vd oL
38. only approved accessories or the specified parts Failure to do so may cause the unit to fall water leakage fire or electrical shock After the installation work ensure that there is no leakage of refrigerant gas If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fan heater stove or gas range it causes generation of poisonous gas Make sure the equipment is properly earthed Do not connect the earth wire to a gas pipe water pipe lightning conductor or telephone earth wire Improper earth work may be the cause of electrical shock Do not install the unit where flammable gas may leak It there is any gas leakage or accumulation around the unit it can cause a fire Do not select a location for installation where there may be excessive water or humidity such as a bathroom Deterioration of insulation may cause elestrical shock or fire Installation work must be performed following the instructions in this installation manual Improper installation may cause water leakage electrical shock or fire Check the following items before operating the unit Be sure that the pipe connection is well placed and there are no leaks Check that the service valve is open If the service valve is closed it may cause overpressure and result in compressor damage At the same time if there is a leak in the connection part it may cause air suction and overpressure resulting burst or injury In
39. 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 may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it
40. the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a 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 CN31 6 Blue Yellow 5 Yellow Measure voltage between 3 GND BLACK 4 White and 5 V line YELLOW of motor connector CN31 3 Black while indoor fan motor is rotating 2 _ 1 Red DC 1 0V or more P C board is defective Replace P C board Under DC 1 0V Motor is defective Replace motor FILE NO SVM 12070 5 Troubleshooting for remote controller lt Primary check gt Check that or B selected on the main unit is matched with or B selected on the remote controller The unit does not beep at all Push the 5 button Operation lamp on indoor unit is not indicated Is transmission NO mark indicated YES Reset by take off battery the push cb button till LCD indication disclear put battery again Is receiver on indoor unit exposed to direct sunlight Does indoor unit operate when moving remote controller near receiver or indoor unit YES Batteries are exhausted Is there any fluorescent light nearly Push the button Does A C operate by push RESET button of indoor unit Is transmission NO mark indicat
41. the remote controller operates immediately besides all indicatiors on front panel turn ON continuously for 3 seconds 18 One Touch Comfort Operation flow and applicable data etc One touch comfort is the fully automated operation that is set according to the preferable condition in a region Fan Operation AUTO L 25 Time after operation starts min AUTO L Fan operates depends on the setting temperature and room temperature During the One Touch Comfort mode if the indoor unit receives any signal with other operation mode the unit will cancel the comfort mode and operates according to the signal received FILE NO SVM 12070 Description Operation condition for model to Europe market When an indoor unit receives One Touch Comfort Signal from the remote controller the indoor unit operates as following 1 Air conditioner starts to operation when the signal is received even if the air conditioner was OFF 2 Operation mode is set according to room temperature the same as AUTO mode 3 Target temperature is 24 C 4 Louver position is set as stored position of the operating mode 5 Fan is controlled as followings 19 Hi POWER Mode Hi POWER button on 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 follo
42. the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads R Do NOT lay the circuit board assembly flat Fig 11 2 Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc Discharging method 1 Remove the inverter cover plating by opening 4 mounting claws 2 As shown below connect the discharge resistance approx 1000 40W or plug of the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500uF 400V or 760pF 400V on board and then perform discharging Discharging position Discharging period Plugof 10 seconds or more Soldering iron Le Inverter cover P C board Soldered surface Fig 11 3
43. tighten the flare pipe connecting sections which connect the indoor and outdoor units up to the specified tightening torque Incorrect connections may cause not only a gas leakage but also damage to the refrigeration cycle Flare at indoor unit side S Flare at outdoor unit side Fig 10 4 6 60 FILE NO SVM 12070 10 4 4 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 a vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of the vacuum pump lt Using a vacuum pump gt Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If oil inside of the vacuum pump enters the air conditioner which use R410A refrigeration cycle trouble may happen 1 Connect the charge hose from the manifold valve to the service port of the packed valve at gas side 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the c
44. unit Mode indicator Indicates the current operation mode AUTO Automatic control A Auto changeover control Cool Dry Heat Temperature indicator Indicates the temperature setting 17 to 30 PURE indicator Shows that the electrical air purifying operation is in progress FAN speed indicator Indicates the selected fan speed AUTO or five fan speed levels LOW LOW _ MED 2 MED _ am HIGH mill can be shown Indicates AUTO when the operating mode is either AUTO or Dry TIMER and clock time indicator The time setting for timer operation or the clock time is indicated The current time is always indicated except during TIMER operation Hi POWER indicator Indicates when the Hi POWER operation starts Push the Hi POWER button to start and push it again to stop the operation 10 E x 8 PRESET indicator Flashes for 3 seconds when the PRESET 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 ECO indicator Indicates when the ECO is in activated Push the ECO button to start and push it again to stop operation 10 A B change indicator remote controller 11 12 13 14 umm H When the remote controller switching function is set B appears in the remote controller display
45. vinyl tape etc NOTE Since dewing results in a machine trouble The hole should be made at a slight downward slant make sure to insulate both connecting on the outdoor side pipes Use polyethylene foam as insulating material When bending a pipe be careful not to crush it Fig 10 3 23 10 3 7 Drainage 1 Run the drain hose sloped downwards Do not form the drain hose into the waved shape Do not rise the drain hose A om V 1 x 10 3 6 Unit Fixing 1 Pass the pipe through hole the wall hook the indoor unit on the installation plate at the upper hook Gan Do not put the drain hose end in the Do not put the drain hose end I into water drainage ditch 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate i i i Fig 10 3 24 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate 2 Put water in the drain pan and make sure that the water is drained out of doors p Hook here B Installation 3 When connecting extension drain hose insulate plate the connection part of extension drain hose with shield pipe Push unhook Shield pipe Fig 10 3 21 N d For detaching the indoor unit from the installation plat
46. with the tester Normal temperature 100 Q 20 7 e d FILE NO SVM 12070 11 9 5 Checking Method for Each Part Part name Electrolytic capacitor For boost smoothing Checking procedure Turn OFF the power supply breaker Discharge all three capacitors completely Check that safety valve at the bottom of capacitor is not broken Check that vessel is not swollen or exploded Check that electrolytic liquid does not blow off Check that the normal charging characteristics are shown in continuity test by the tester Case that product is good Pointer swings once and returns slowly When performing test once again under MCC 5009 another polarity the pointer should return Soldered surface o Heat sink IGBT side C12 C13 C14 500uF 400V or 760uF 400V Diode block 1 Turn OFF the power supply breaker 2 Completely discharge the four electrolytic capacitors 3 Remove the diode block from the P C board which is soldered in place 4 Use a multimeter with a pointer to test the continuity and check that the diode block has the proper rectification characteristics Test d Resistance value good product 10 to 20 2 when the multimeter probe is reversed FILE NO SVM 12070 11 10 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several 10 seco
47. 1 Flare processing procedures and precautions a Cutting the Pipe By means of a pipe cutter slowly cut the pipe so that it is not deformed b Removing Burrs and Chips If the flared section has chips or burrs refrigerant leakage may occur Carefully remove all burrs and clean the cut surface before installation C Insertion of Flare Nut FILE NO SVM 12070 d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare Se A processing correctly Use either a flare tool for R410A or conven Z tional flare tool 1 1 Flare processing dimensions differ according as gt 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 3 2 1 Flare processing dimensions Table 3 2 3 Dimensions related to flare processing for R410A A mm Past ns Conventional flare tool diameter Flare tool for R410A mm mm clutch type Clutch type Wing nut type 1 0 to 1 5 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 3 2 4 Dimensions related to flare processing for R22 A mm Nominal Outer Thickness i diameter nventional flare tool diameter min mm Flare tool for R22 Conventional flare too 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
48. 3 way valve has been changed 1 2 UNF 20 threads per inch n 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 RA10A New tools for R410A Applicable to R22 model Changes As pressure is high it is impossible to measure by means of Gauge manifold x uL conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed In order to increase pressure resisting strength hose materials Charge hose and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Electronic balance for refrigerant charging The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Torque wrench nominal diam 1 2 5 8 By increasing the clamp bar s receiving hole strength of spring in Flare tool clutch type the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Connected to conventional vacuum pump It is necessary to use an adapter to prevent vac
49. 3709481 43780331 43700585 43780020 43762031 43766312 BAND MOTOR RIGHT UP LOUVER HORIZONTAL BODY ASSY BACK EVAPORATOR ASSY RAS 18N3KVR E EVAPORATOR ASSY RAS 22N3KVR E GRILLE ASSY SUB TOSHIBA FILTER AIR FRONT PANEL ASSY GENERATOR ASSY HV COVER TERMINAL WIRELESS REMOTE CONTROLLER 13 3 co O Outdoor Unit 43T00468 43T00459 43742327 43700452 43719329 43719348 43741446 43041627 43743451 43743452 43746358 43746355 43747331 43747333 43700448 43700451 43746347 43763329 43758306 FRONT CABINET LEFT BASE PLATE ASSEMBLY UPPER CABINET FAN GUARD PACKED VALVE COVER COMPRESSOR RAS 18N3AV E COMPRESSOR ASSY RAS 22N3AV E CONDENSER ASSEMBLY RAS 18N3AV E CONDENSER ASSEMBLY RAS 22N3AV E VALVE PACKED 6 35 DIA VALVE PACKED 12 7 DIA H4 BONNET 6 35 DIA BONNET 12 70 DIA FIXING PLATE VALVE RIGHT CABINET ASSEMBLY BODY PMV COIL PMV REACTOR FILE NO SVM 12070 31 HOLDER SENSOR TE For PIPE OD 6 35 mm 32 HOLDER SENSOR TD For PIPE OD 8 00 mm 33 HOLDER SENSOR TS For PIPE OD 12 7 mm Part Descripti Location No 21 106 43720319 43721375 43747001 43797001 43749335 43746343 43746370 43763320 43763334 43763319 43779305 43739333 43763318 43763317 43763323 43719331 PROPELLER FAN FAN MOTOR NUT FLANGE NUT RUBBER CUSHION 4 WAY VALVE RAS 18N3AV E VALVE 4WAY RAS 22N3AV E 4 W
50. 38 0 35 E Operation mode Heating 9 18 8 42 2000 Be 5 8 9 3 41 47 44 42 38 35 EJE Gi 62 59 57 53 50 I ES c c e e I oic 3 2 F ola 5 I HEF S S S 3 3 2 23 gt w Plo an motor output Air flow rate Cooling Heating m mmn 159 165 17 7 18 0 c z lon Kel o E g 5 o o 5 I 3 3 z s z Q Q E DE 515 3 _ Type Twin rotary type with DC inverter variable speed control DA131S1B 31FZ DA150A1F 20F Fan motor output W 43 Q 3 o Sg o o Outdoor unit i RAS 22N3AV E imensi w 550 SO 780 2 290 i kgf 8 Motor output 1100 lt a e t Air flow rate m min 8 6 372 Flare connection 7635 21270 iquid side 26 35 21270 10 R410A R410A Refrigerant 1 140 Power supply 3 Wires Includes earth Outdoor Piping connection Liquid side 3 3 o a i5 EJE EIS O D o 9 a o 3 3 o Z 8 m a 3 S 9 E c 3 c gt 5 a 2 gt N 3 a ojajo lt pip z gt 313 EIE 3 5 2 2 HE zo 2 9 rain 0 5 5 ala 3 2 3 S Q Sch 3 E a nterconnection 4 Wires Include
51. 4 minute after resending the indoor unit display flashes error FILE NO SVM 12070 Action and Judgment 1 to 3 The outdoor unit never operate Check connecting cable and correct if defective wiring Check 25A fuse of inverter P C board Check 3 15A fuse of inverter P C board Check operation signal of the indoor unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board 4 The outdoor unit abnormal stop at some time f the other check codes are found concurrently check them together Check protector hardware such as Hi Pressure switch Thermal Relay etc Check refrigerant amount or any possibility case which may caused high temperature or high pressure Check operation signal of the indoor unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board FILE NO SVM 12070 Block distinction Operation of diagnosis function Air Judgment and action conditioner Remarks status Check code Block Cause of operation Outdoor Inverter over current All off P C board protective circuit operates Short time Displayed when error is detec
52. AY VALVE COIL ASSEMBLY RAS 18N3AV E ASM COIL AWAY RAS 22N3AV E HOLDER SENSOR DRAIN NIPPLE MOTOR BASE CONNECTION PLATE HOLDER SENSOR HOLDER SENSOR HOLDER SENSOR FIN GUARD FILE NO SVM 12070 13 4 P C Board Layout Outdoor RAS 18N3AV E TE Sensor 6 TS Sensor 6 TO Sensor O6 TD Sensor O4 EE NENNEN _ 43762320 HEATSINK 43760377 TEMPERATURE SENSOR 43769943 PC BOARD 43750304 SENSOR HEAT EXCHANGER 43760392 TERMINAL 5P 43T62313 BASE PLATE PC 43760326 FUSE 107 FILE NO SVM 12070 13 5 P C Board Layout Outdoor RAS 22N3AV E 706 TE Sensor 6 TS Sensor 06 KW TD Sensor 4 705 TO Sensor 06 Emm omm 43T62331 HEATSINK 43760377 TEMPERATURE SENSOR 43769881 PC BOARD 43750304 SENSOR HEAT EXCHANGER 43760392 TERMINAL 5P 43762313 BASE PLATE PC 43T60326 FUSE 108 TOSHIBA CARRIER THAILAND CO LTD
53. Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use a copper pipe to direct the piping mate rial and attach a flow meter to the cylinder 3 Apply a seal onto the clearance between the piping material and inserted copper pipe for Nitrogen in order to prevent backflow of the Nitrogen gas 4 When the Nitrogen gas is flowing be sure to keep the piping end open 5 Adjust the flow rate of Nitrogen gas so that it is lower than 0 05 m Hr or 0 02 MPa 0 2kgf cm by means of the reducing valve 6 After performing the steps above keep the Nitrogen gas flowing until the pipe cools down to a certain extent temperature at which pipes are touchable with hands 7 Remove the flux completely after brazing capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound 4 Piping materials for brazing and used brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use Flow meter Silver Paste flux Copper Iron Iron Iron Silver Vapor flux Stop valve Nitrogen gas 1 Do not enter flux into the refrigeration cycle cylinder 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
54. FILE NO SVM 12070 TOSHIBA SERVICE MANUAL AIR CONDITIONER SPLIT TYPE Indoor Unit Outdoor Unit RAS 18N3KVR E RAS 18N3AV E RAS 22N3KVR E RAS 22N3AV E December 2012 10 11 12 13 FILE NO SVM 12070 CONTENTS SAFETY PRECAUTIONS eueuEekeegseegs astbeeersggeeeeeeeeEugERggZegkA eege EEN 2 SPECIFICATIONS uuu asss Vd Ua dades cu Dean Loir ve 5 REFRIGERANT U A Saa Dun vd dla ENEE 7 CONSTRUCTION VIEWS ua noce U u I eet i6 a Dno at anna pa 15 WIRING DIAGRAM 53552355 uiie adoratan aneto uspesni napr iienaa spressi ada sii RES 17 SPECIFICATIONS OF ELECTRICAL PARTS 18 REFRIGERANT CYCLE DIAGRAM 19 CONTROL BLOCK DIAGRAN 22 OPERATION DESCRIPTION 24 INSTALLATION PROCEDURE U J J 48 HOW TO DIAGNOSE THE TROUBLE 64 HOW TO REPLACE THE MAIN 88 EXPLODED VIEWS AND PARTS LIST 104 FILE NO SVM 12070 1 SAFETY PRECAUTIONS The manufacturer shall not assume any liabi
55. HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER R410A refrigerant is apt to be affected by impurities such as water oxidizing membranes and oils because the pressure of R410A refrigerant is approx 1 6 times of refrigerant R22 As well as the adoption of this new refrigerant refrigerating machine oil has also been changed Therefore during installation work be sure that water dust former refrigerant or refrigerating machine oil does not enter the refrigeration cycle of a new refrigerant air conditioner To avoid mixing refrigerant and refrigerating machine oil the sizes of charging port connecting port connecting sections on the main unit are different from those for the conventional refrigerant and different size tools are also required For connecting pipes use new and clean piping materials with highpressure withstand capabilities designed for R410A only and ensure that water or dust does not enter Moreover do not use any existing piping as its pressure withstand may be insufficient and may contain impurities DANGER FOR USE BY QUALIFIED PERSONS ONLY MEANS FOR DISCONNECTION FROM THE SUPPLY HAVING A CONTACT SEPERATION OF AT LEAST 3 mm IN ALL POLES MUST BE INCORPORATED IN THE FIXED WIRING TURN OFF MAIN POWER SUPPLY BEFORE ATTEMPTING ANY ELECTRICAL WORK MAKE SURE ALL POWER SWITCHES ARE OFF FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK CONNECT THE CONNECTING CABLE CORRECTLY IF THE CONNECTING CABLE IS CONNECTED WRONGLY
56. KVR E 7 0kW RAS 22N3KVR E 5 0kW RAS 18N3KVR E 6 0kW RAS 22N3KVR E 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor Temperature C Outdoor Temperature C FILE NO SVM 12070 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC R410A which does not damage the ozone layer The working pressure of the new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materials exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure i
57. Mode select button MODE sage 4 Temperature button TEMP Feet 5 Fan speed button FAN D Comer 6 Swing louver button SWING 7 Setlouver button FIX On timer button ON t Pu ung 3 9 Off timer button OFF xe Setup button SET Gr sel e 00 17 Clear button CLR D fa a 12 Memory and Preset button PRESET o Si Ev wal SET 13 One Touch button ONE TOUCH i n M 51 High power button Hi POWER DO 2954 18 5 Economy button ECO wi Quiet button QUIET Ze 07 X 0 Q2 9 4 2 Operation of remote control 1 ONE TOUCH Press the ONE TOUCH button for fully automated operation that is customised to the typical consumer preferences in your region of the world The coutomised settings control temperature air flow strength air flow direction and other settings to provide you alternate contact with ONE TOUCH OF THE BUTTON If you prefer other settings you can select from the many other operation functions of your Toshiba unit Press Start the operaton 2 AUTOMATIC OPERATION To automatically select cooling or fan only operation 1 Press H Select A 2 Press gt Set the desired temperature 3 COOLING HEATING FAN ONLY OPERATION To automatically select cooling or fan only operation 1 Presse Select Cool zx Heat or Fan only 2 Press lt Set the desired temperature Cooling He
58. The temperature sensors which are used to control pulse motor valve include indoor heat exchanger sensor TC outdoor heat exchanger temp sensor TE outdoor suction temp sensor TS and outdoor sensor TO Set it correctly Gas amount check and valve clogging check Remove TC sensor connector from the P C board in indoor unit Remove connector from the P C board Operate the air conditioner in COOL mode by RESET button on indoor unit Beep sound is heard if keeping pushed RESET button 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 Add gas 11 7 Troubleshooting 11 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 FILE NO SVM 12070 Does the OPERATION indicator flash No YES Turn off the power breaker and remove CN41 Micro switch connector Short circuit between and 2 pin of CN44 at PC side and turn on the power breaker after 10 seconds Is DC12V applied betwe
59. When the remote controller setting is A there is no indication at this position Comfort sleep Indicates when comfort sleep is activaled Push comfort sleep button to select Quiet Indicates when quiet is activated Push quiet button to start and push it again to stop operation One Touch Indicates when one touch comfort is activated Push one touch button to start the operation Swing Indicates when louver is swing Push swing button to start the swing operation and push it again to stop the swing operation FILE NO SVM 12070 10 INSTALLATION PROCEDURE 10 1 Installation Diagram of Indoor and Outdoor Units g o E SZ E mm 2 Hook For the rear left and left piping a 1 Installation plate Insert the cushion between the indoor unit wall tilt the N indoor unit for better operation _ Do not allow the drain hose to get slack Cut the piping hole sloped slightly 8 Flat head wood screw Shield pipe Make sure to run the drain hose N sloped downward E The auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Flat head wood screw Pure Air Purifier Batteries 8 Flat head Remote control holder wood screw e Right i Vinyl tape Rear right La Apply after carrying J out a drainage test Rear Left Bottom righ
60. able or power supply cord complely Does check 5V at display unit YES YES NO Does check 5V at main P C board YES Replace display unit Start to operate indoor unit in cooling operation at airflow level LOW Is it possible to detect DC 294 325V between D and O of motor connector CN31 NO NO YES Motor connection condition Tum Al Is it possible to detect DC 15V Then push Ich button between and of on remote controller to stop motor connector CN31 flashing lamp on indoor unit Peplace main NO P C board Is it possible to detect DC 15V between Q and 8 of motor connector CN31 Change airflow level to HIGH Start to operate the Turn off indoor unit At this time is it possible to remove connector from motor detect DC 1V or more between Then start to operate indoor unit with remote controller and of motor connector CN31 YES Start to operate the indoor unit in except heating operation At this time is it possible to ona ye or DO between and of motor connector RS Check this condition within 15 seconds after starting unit FILE NO SVM 12070 Is it possible to change airflow level to HIGH YES NO Does check
61. acuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressure in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Indoor unit Outdoor unit Refrigerant cylinder E siphon Open close valve for charging Electronic balance refrigerant charging Service port Fig 3 4 1 Configuration of refrigerant charging FILE NO SVM 12070 1 Be sure to make setting so that liquid can be charged 2 When using a cylinder equipped with a siphon liquid can be charged without turning it upside down It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant Accordingly when charging refrigerant from the refrigerant cylinder to the equipment charge it turning the cylinder upside down if cylinder is not equipped with siphon Cylinder with siphon Gauge manifold cylinder Electronic balance R410A refrigerant is HFC mixed refrigerant
62. agnosis by the remote controller turn OFF power supply and turn its ON again to reset the air conditioner to normal operation However the check codes are not deleted from memory of the microcomputer 3 After servicing finished press CLR button of remote controller under service mode status to send code 7F to the indoor unit The check code stored in memory is cleared e l Block distinction distinction code Indoor P C board Table 11 4 1 Operation of diagnosis function Air conditioner status Cause of operation TA sensor The room temperature sensor is short Circuit or disconnection TC sensor The heat exchanger temperature sensor of the indoor unit is out of place disconnection short circuit or migration Fan motor of the indoor unit All OFF is failure lock rotor short circuit disconnection etc Or its circuit on P C board has problem Other trouble on the indoor P C board Depend on Display flashing error Flashes when error is detected Flashes when error is detected Flashes when error is detected Depend on cause of failure Action and Judgment Check the sensor TA and connection In case of the sensor and its connection is normal check the P C board Check the sensor TC and connection In case of the sensor and its connection is normal check the P C board Check the fan motor and connection In case of the motor and its
63. ailure during Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is cancelled In that case set the timer operation again NOTE The Daily Timer is reset while a command signal can be received from the remote controller even if it stopped due to a power failure FILE NO SVM 12070 9 4 Remote control 9 4 1 Remote Controller and Its Functions D Comfort sleep button COMFORT SLEEP Filter reset button FILTER Set clock button CLOCK Check button CHECK Reset button RESET Plasma Air Purifier button PURE Note The provided Remote Controller is a wireless type which also can be used as a wire Please see How to Connect The Remote Controller for Wired Operation located in installation instruction in case of wired control is required n wire operation remote controller will return to initial condition PRESET TIMER and CLOCK will return to initial condition when user shutdown power supply of Air conditioner E 1 Infrared signal emitter 8 Start Stop button am p 3
64. and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector FILE NO SVM 12070 Remarks Inverter cover A P C board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron A screw ST1T 4 x 8MSZN Put each leads Put the compressor through the hole u leads through the hole The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to remove the connector by holding the connector not by pulling the lead wire Part name Control board assembly Procedure 1 Disconnect the leads and connectors connected to the other parts from the control board assembly 1 Leads 3 leads black white orange connected to terminal block Lead connected to compressor Disconnect the connector 3P Lead connected to reactor Disconnect the two connectors 2P 2 Connectors x8 CN300 Outdoor fan motor white See Note CN700 PMV 6P white CN603 TS sensor white CN601 TD sensor 3P white CN602 TO sensor 2P white These connectors have a disconnect prevention
65. ating Min 17 C Max 30 C Fan Only No temperature indication 3 Press ol Select AUTO LOW LOW MED MED ag HIGH DRY OPERATION COOLING ONLY For dehumidification a moderate cooling performance is controlled automatically 1 Press bz Select Dry 2 Press e Set the desired temperature AIR PURIFYING OPERATION During air conditioner operation Press Start and stop the Plasma air purifier and air ionizer operation The plasma air purifier and air ionizer can be activated or deactivated during air conditioner is stopped and the air ionizer start conjunction with plasma air purifier operation FILE NO SVM 12070 Note The FILTER indicator orange turns on after PURE operation is performed for 1000 hours Hi POWER OPERATION To automatically control room temperature and airflow for faster cooling operation except in DRY and FAN ONLY mode Press Start and stop the operation ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press LEco Start and stop the operation Note Cooling operation the set temperature will increase automatically 1 C hour for 2 hours maximum 2 C increase Heating operation the set temperature does not change TEMPORARY OPERATION In case of the misplaced or discharged remote control e Pressing the RESET button the unit can start or stop without using the remote control
66. ation starts FILE NO SVM 12070 Description The necessity of defrost operation is detected by the outdoor heat exchanger temperature The conditions to detect the necessity of defrost operation differ in A B or C zone each Table 1 Defrost operation Defrost operation in A to C zones 1 Stop operation of the compressor for 20 seconds 2 Invert ON 4 way valve 10 seconds after stop of the compressor 3 The outdoor fan stops at the same time when the compressor stops 4 When temperature of the indoor heat exchanger becomes 38 C or lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat ex changer rises to 8 C or higher 2 Temperature of outdoor heat ex changer is kept at 5 C 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 2 Invert OFF 4 way valve approx 40 seconds after stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts FILE NO SVM 12070 Item Operation flow and applicable data etc 8 Louver control 1 Louver position 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
67. d 20g of refrigerant per meter of added connection piping for installations requiring connection piping to be between 16 m to 20 m e An allowable height level is up to 10 m e Aplace where the drain water does not cause any problems 10 4 2 Precautions about Installation in Regions with Snowfall and Cold Temperatures e Do not use the supplied drain nipple for draining water Drain the water from all the drain holes directly e To protect the outdoor unit from snow accumulation install a holding frame and attach a snow protection hood and plate e Do not use a double stacked design Snow protection plate Install at least 50 cm above the snow accumulation line Snow protection hood At least 50 cm Snow accumulation line Holding frame Fig 10 4 1 59 FILE NO SVM 12070 4 Installation in the following places may result in 1 Insall the outdoor unit in a location where there are no obstructions near its air intake or air outlet 2 When the outdoor unit is installed in a place that is always exposed to strong wind like on the coast or on a high story of a building secure the normal fan operation using a duct or a wind shield 3 Especially in windy areas insall the unit to prevent the admission of wind trouble Do not install the unit in such places A place full of machine oil A saline place such as the coast e A place full of sulfide gas A place whe
68. d by outputting power to the compressor The contents of control opera tion are same in cooling operation and heating operation 5 Current 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 temp To Setup of current release point release control Outdoor unit inverter main circuit control current Operating current lt Setup value Reduce compressor speed Current decrease Capacity control continues Cooling current Heating current release value release value RAS 18N3AV E RAS 22N3AV E RAS 18N3AV E RAS 22N3AV E 4 88A 7 05 discs 6 15A 9 30A z 10 50A 39 C 8 02A 0 50 8 77A 10 88A 15 5 C 10 5 C Outdoor temp N 45 C 40 C 16 C 11 C 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 6 Release protective control by tempera
69. d for securing the side cabinet to the bottom plate and heat exchanger Detail A Detail B FILE NO SVM 12070 Remarks Hook the claw noto w the bottom plate WK eme in The back body section hooked onto the bottom plate here Detail C Fan motor 1 Perform work of item 1 of O and Q 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so that the fan motor does not fall Precautions when assembling the fan motor Tighten the flange nut using a tightening torque of 4 9 Nem 99 Flange nut Part name Compressor Procedure 1 Perform work of item 1 of D and Q 5 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 10L 3 pcs 4 Remove the sound insulation material 5 Remove terminal cover of the compressor and disconnect lead wire of the compressor from the terminal 6 Remove pipe connected to the compressor with a burner 7 Remove the fixing screw of the bottom plate and heat exchanger ST1T 4 x 10L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST1T 4 x 10L 1 pc 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fix
70. ds to memorize the setting The mark displays 3 Press Operate the preset operation 11 AUTO RESTART OPERATION To automatically restart the conditioner after the power failure Power of the unit must be on Setting 1 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds e Do not operate ON timer and OFF timer 2 Press and hold the RESET button on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink 12 QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press we Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling due to low sound features 13 COMFORT SLEEP OPERATION To save energy while sleeping automatically control air flow and automatically turn OFF Press Select 1 3 5 or 9 hrs for OFF timer operation Note The cooling operation the set temperature will increase automatically 0 5 degree hour for 4 hours maximum 2 degrees increase FILE NO SVM 12070 9 4 3 Names and Functions of Indications on Remote Controller Display All indications except for the clock time indicator are displayed by pushing the dh button 1 2 Transmission mark This transmission mark indicates when the remote controller transmits signals to the indoor
71. e pull the indoor unit toward you while pushing its bottom up at the specified parts Drain hose Inside the room Extension drain hose Fig 10 3 25 gt Push Push Fig 10 3 22 57 CAUTION Arrange the drain pipe for proper drainage from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide Wall Drain guide Fig 10 3 26 58 FILE NO SVM 12070 10 4 Outdoor Unit 10 4 1 Installation place CAUTION e 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 e A place where the operation noise and discharged air do not disturb your 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 e An allowable length of the connecting pipe up to 20 m e There is no need to add refrigerant as long as the length of the connection piping 15 m or less e You will need to ad
72. e 18 and 1E Troubleshooting How to Diagnose Trouble in Outdoor Unit O How to Check Simply the Main Parts e to Simply Judge Whether Outdoor Fan Motor is Good Precautions when handling the new inverter 3DV Inverter CAUTION HIGH VOLTAGE The high voltage circuit is incorporated Be careful to do the check service as the electric shock may be caused in case of touching parts on the P C board by hand The new inverter 3DV inverter will be incorporated starting with this unit 30 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor E Shared potential Fan motor FETx6 Amplifier Fig 11 1 FILE NO SVM 12070 CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as
73. e operation command signal Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operation control of outdoor fan motor Operations followed to judgment PMV control 4 way valve control of serial signal from indoor side FILE NO SVM 12070 9 2 Operation Description 9 3 9 4 EE EE 26 1 Operation E 26 2 Cooling Heating operation EE 27 T T 27 4 DRAY operatio M T H 27 2 I nd o rian MOTOT COMMO 2 2 28 3 Quidoor M tor u uu u uuu luas val belua eds 30 Capacity Control 31 b C frent release Control uu uu 31 6 Release protective control by temperature of indoor heat exchanger 32 7 Defrost control Only in heating operation a 33 8 Louver uuu 34 1 Louver meme EE 34 2 Air direction adjustment uuu 34 SV SWING 34 9 ECO 0peratiormu xu e 35 o Be tee EE 36 11 Discharge temperature 36 12 Pulse motor valve PMV
74. e remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation condi tion and indicates the information of the self diagnosis on the display of the remote controller with the check codes If a fault is detected all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds Beep Beep Beep The timer lamp usually flashes GHz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode TOSHIBA B G A x OXO ES MTAA KE SE C OMIAA HiPOWER ECO zm al Mone wa Fan oem Fixe aur Pune ECO necu e TIMER comrort _ Lenk SLEEP OFE vJ e CHECK FILTER TERT P DI 5 de L 7 UM 4AAA h sos sv 1 ch Alphanumeric characters
75. e switch OFF N Does the indoor fan rotate 9 YES Does the PURE indicator Blue or N NO To item Only indoor fan does not operate the FILTER indicator Orange go on YES Does the PURE indicator go off within 2 seconds after it was ON and does the FILTER indicator Orange go on YES Is DC 5V to DC 10V applied between 4 Brown Negative voltage and 2 Brown GND of CN42 of the main P C board YES Are the electric dust collector and ionizer dried Electrode check NO x o o 2 x Dry the electric dust collector and ionizer YES Refer to items cleaning and check for the electric dust collector ionizer ionized wire units When the ionized wire is disconnected or when dirt is not cleaned even cleaned replace each unit YES Referring to the right figure check the high output voltage of the air filter unit NOTE Use an exclusive high voltage tester otherwise the tester may be broken YES Is output of the ionizer approx 4 0 kV to 4 8 kV Is output of the collector approx 3 0 kV to 3 8 kV YES Are the electric dust collector ionizer ionized wire units dirty Is an abnormal sound cracking noise heard from the electrode NO NO Replace the main P C board How to check output of the air purifier Caution on High Voltage gt
76. eating function Pulse Motor valve Delay function of compressor reactivation PMV Current release function e over current preventive function Defrost operation function FILE NO SVM 12070 Operation flow and applicable data etc 1 Basic 2 Cooling Heating operation operation The operations are performed in the following parts by controls according to coolino heating conditions 1 Receiving the operation ON signal of the remote controller the cooling or heating operation signal starts being transferred form the indoor controller to the outdoor unit 2 At the indoor unit side the indoor fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 8 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse motor valve and 4 way valve according to the operation signal sent from the indoor unit Operation ON Setup of remote controller Y Indoor unit control Indoor fan motor control Louver control Operation Hz Control Requierment r Sending of operation command signal Compressor revolution control Outdoor fan motor control Operation Hz control Include limit control Outdoor unit control 4 way valve control heating operation Pulse Motor valve control AUTO operation 1 Detects the room temperature Ta when Selection of operation mode the operation start
77. ed As shown in the following figure the operation starts by 2 Selects an operation mode from Ta in selecting automatically the status of room temperature the left figure Ta when starting AUTO operation 3 Fan operation continues until an 1 When reselecting the operation mode the fan speed operation mode is selected is controlled by the previous operation mode 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 Cooling operation performed with Super Ultra LOW mode for 3 minutes Then select an operation mode 5 If the status of compressor OFF continues for 15 minutes the room Heating operation temperature after selecting an operation mode COOL HEAT reselect an operation mode Ta Monitoring Fan DRY operation 1 Detects the room temperature Ta when DRY operation is performed according to the difference the DRY operation started between room temperature and the setup temperature 2 Starts operation under conditions in the as shown below left figure according to the temperature In DRY operation fan speed is controlled in order to difference between the room tempera prevent lowering of the room temperature and to avoid ture and the setup temperature Tsc air flow from blowing directly to persons Setup temperature Tsc Settemperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1
78. ed YES Does indoor unit beep and operate YES Point remote to digital camera can see infrared at sending LED on carmera monitor when push 0 button Replace main P C Board Reciver P C board is defective Remote controller is defective Keep indoor unit Avoid direct away from Replace reciver Replace Normal sunlight fluorescent light P C board batteries operation Replace remote controller FILE NO SVM 12070 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and 3 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 O O S5277G or equivalent S5277G Diode with rated voltage of 400V White or more is acceptable Terminal block Tester Normal time Voltage swings between DC15 and 60V Inverter Assembly check 11 5 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 op
79. en 1 Red DC12V and Brown GND of CN1 of the high voltage generator YES Is there conduction of micro switch connector under OFF status of the micro switch Front panel opened NO Is there conduction of micro switch connector under ON status of the micro switch Front panel closed YES NO Primary check YES NO 1 Check operation while short circuiting when a signal is received While the air purifier operates check Because the power ON OFF is cont Is DC12V applied between 1 2 of CN42 of the main P C board YES Micro switch is stuck L To item Power supply is not turned on Replace the main P C board MCC5045 Micro switch malfunction CN41 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 indicators go on for approx 3 seconds t 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 that the fan speed AUTO is not displayed rolled on the program 3 Be sure not to touch the electric dust collector ionizer or ionized wire unit with the human body Replace micro switch Conduction check of micro switch Push the switch ON Release th
80. er 5 1 4 x 10L 2 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward 95 FILE NO SVM 12070 Remarks These 2 bending parts shall be put inside of a unit by bending these 2 ports This part shall be put on the side cabinet Fit the corner of the water proof cover to the corner of the front cabinet This line shall be pavallel to the front cabinet This part shall cover the gap between the inverter box and the front cabinet How to mount the water proof cover FILE NO SVM 12070 Part name Procedure Remarks Front cabinet 1 Detachment 1 Perform step 1 in 2 Remove the fixing screws ST1T 4 10L 2 pcs used to secure the front cabinet and inverter cover the screws ST1T 4 x 10L 4 pcs used to secure the front cabinet at the bottom and the fixing screws ST1T 4 x 10L 2 pcs used to secure the motor base The front cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet rig
81. er Under normal temp 25 Position Resistance value 250 x 200 Indoor fan motor 11 9 4 Outdoor Unit Part name Compressor Model DA131S1B 31FZ RAS 18N3AV E Model DA150A1F 20F RAS 22N3AV E Refer to 11 5 1 3 and 4 Checking procedure Measure the resistance value of each winding by using the tester Resistance value DA131S1B 31FZ DA150A1F 20F Position Red White White Black Black Red 1 700 0 939 Under 20 Outdoor fan motor Model ICF 140 43 4R Measure the resistance value of winding by using the tester Red FF Position Resistance value Red White 20 to 220 White Black 20 to 220 Black Red 20 to 220 Under 20 C White Black 4 way valve coil Model STF 01AJ646A1 RAS 18N3AV E STF 01AJ503K1 RAS 22N3AV E Model Measure the resistance value of winding by using the tester 1435 1440 Under 20 Pulse motor valve coil Model CAM MD12TCTH 5 Measure the resistance value of winding by using the tester Position Resistance value Red White 42 to 509 White Orange 42 to 509 Brown Yellow 42 to 509 Brown Blue 42 to 509 Under 20 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
82. eration started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective Miswiring of connecting wires of indoor outdoor units Refer to the chart in 11 6 Clogging of pipe and coming off of TC sensor 11 6 Check Code 1C Miswiring in indoorloutdoor units and 1E lt Check procedure gt Gas leakage Discharge temp error disconnection of TS TC gas leakage sensors Check code 02 1C Check code 03 1E lt Valve drive check Is coil of the pulse motor valve NO FILE NO SVM 12070 P M V correctly set YES Set it correctly lt NO Is connecter of coil connected to inverter YES Set it correctly lt Disconnect PMV connector then check coil resistance Is it 46 40 white Red Red Orange Yellow Red Blue Red Replace coil valve Are temp sensors of indoor outdoor units correctly set to the holder NOTE
83. erwise 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 Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal 103 FILE NO SVM 12070 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit Part E orev 43T50308 SENSOR HEAT EXCHANGER 43769723 PC BOARD ASSY RAS 18N3KVR E 43760331 TERMINAL 43769724 PC BOARD ASSY RAS 22N3KVR E 43769320 TEMPERATURE SENSOR 43T51308 SWITCH ASSY MICRO 43T62003 CORD CLAMP 43721434 STEPPING MOTOR 43T6V317 PC BOARD ASSY WRS LED 43T60386 MOTOR CORD 104 13 2 Indoor Unit 43721428 43722312 43770313 43720016 43749010 43783305 43782008 43769499 43719333 43749043 43739021 43779313 43739020 43739023 FAN MOTOR BEARING ASSY MOLD HOSE DRAIN FAN ASSY CROSS FLOW PIPE SHIELD HOLDER REMOTE CONTROL PLATE INSTALLATION UNIT ELECTRIC PURIFIER HOLDER SENSOR HOLDER PIPE BASE BEARING CAP DRAIN BAND MOTOR LEFT BAND MOTOR RIGHT DOWN Location No 224 105 206 233 FILE NO SVM 12070 Electric Parts Assembly Description Part No 43739022 43709040 43703015 43744030 43744031 4
84. f indoor control board blown Is voltage DC5V 12V and 15V indicated on rear of indoor control board nor mal Does connection between PC Board and reciver PCB are connect properly Reconnect housing Microcomputer I Replace main is defective P C board Replace fan motor 2 Operation is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash Is wired correctly to white and black lead wires of terminal block YES Correct wiring To item of Indoor unit is not operated FILE NO SVM 12070 3 Only the indoor motor fan does not operate lt Primary check gt 1 Is it possible to detect the power supply voltage AC220 240V between 1 and 2 the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply once and turn it on again Does fan motor YES continue to operate NO Is it possible to detect DC 1V or more between and O of motor connector CN31 NO Peplace indoor fan motor Reconnecting the in terconnection cable and terminal block Does check connecting c
85. g cable Wiring the connecting cable can be carried out without removing the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp Insert the connecting cable according to the local rule into the pipe hole on the wall Take out the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm from the front 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws 6 Tighten firmly but not over 1 2 N m 0 12 kgf m 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 Co A CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical cords and also any specific wiring instructions or limitations Cord clamp Termina Terminal block Connecting cable LLL Screw Fig 10 3 6 110 mm 20mm wa line Connecting cable SSSA 9 bouti em 10 mm 80 mm Stripping length of the connecting cable Fig 10 3 7 NOTE Use stranded wire only Wire type More than 1 5 mm HO7RN F or 60254 IEC66 or 1 3 mm AWG 16 10 3 4 How to Connect Remote Controller for Wire Operation Indoor unit
86. h RESET button once more or use the remote controller to turn it on While the filter check indicator is on the RESET button has the function of filter reset button 42 FILE NO SVM 12070 9 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 three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times and continues to operate 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 Push RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds The unit stops operating The green indicator is turned off t After approx three seconds The unit beeps three times Hi POWER FILTER PRE DEF TIMER OPERATION e e If the unit is required to operate at this time push RESET button once more or use the remote controller to turn it on 9 3 3 Power F
87. h indoor unit in case of 2 air conditioner are installed nearly Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHECK button on the Remote Control by the tip of the pencil 00 will be shown on the display Picture 4 Press MODE during pushing CHECK B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Picture NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A TOSHIBA TOSHIBA LILI Purpose This operation is to operate only one indoor unit using one remote controller Description When operating one indoor unit in a situation where two indoor units have been installed in the same room or nearby rooms this operation prevents the remote controller signal from being received simultaneously by both units thus preventing both units from operating Operation The indoor unit on which the remote controller selection has been set to B receives the signal of the remote controller also set to B At the factory the remote controller selection is set to A on all the indoor units There is no A setting display 15 QUIET mode Operation flow and applicab
88. he power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities If this check is omitted a fire and or electric shocks may occur Before proceeding with the test run install the front panel and cabinet Ensure that the following steps are taken when doing repairs on the refrigerating cycle 1 Do not allow any naked flames in the surrounding area If a gas stove or other appliance is being used extinguish the flames before proceeding If the flames are not extinguished they may ignite any oil mixed with the refrigerant gas Do not use welding equipment in an airtight room Carbon monoxide poisoning may result if the room is not properly ventilated Do not bring welding equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very carefully when conducting checks since directly touching the parts on the control circuit board may result in electric shocks 12 1
89. ht into the square hole in the NUI front cabinet Claw 3 Return the screws that were removed Square hol above to their original positions and ix attach them A J CL Concave section 96 Part name Inverter assembly Procedure 1 Perform work of item 1 in D 2 Remove screw ST1T 4 x 10L 2 pcs of the upper part of the front cabinet If removing the inverter cover in this condition P C board can be checked If there is no space above the unit perform work of 1 in Be careful to check the inverter because high voltage circuit is incorporated in it 3 Perform discharging by connecting polarity by discharging resistance approx 100Q40W or plug of soldering iron to terminals a of the C14 printed CAUTION HIGH VOLTAGE is attached electrolytic capacitor 760uF or 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 This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between 4 Remove screw ST1T 4 x 10L 4pcs fixing the terminal part of inverter box to the main body 5 Remove the front cabinet by performing step 1in and remove the fixing screws ST1T 4 10L for securing the main body
90. ightening terque torque wrenches available on the market diameter Nem kgfecm mm Nem kgfecm 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 3 3 Tools 3 3 1 Required Tools FILE NO SVM 12070 The service port diameter of packed valve of the outdoor unit in the air water heat pump using R410A is changed to prevent mixing of other refrigerant To reinforce the pressure resisting strength flare processing dimensions and opposite side dimension of flare nut For 12 7 copper pipe of the refrigerant piping lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for 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 Used tool Flare tool Pipe flaring R410A air water heat pump installation Conventional a
91. ing the compres sor to the bottom plate FILE NO SVM 12070 Remarks dnm Compressor DW Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors 100 CL N MMPI OOOO IOI OT Part name Electronic expansion valve coil Procedure 1 Detachment 1 Perform step 1 in all the steps in and 1 in 2 Remove the coil by rotating it at 90 toward either direction 2 Attachment 1 Insert a valve coil in a volve body to the bottom and fix it by rotating at 90 toword either direction And confirm to fix it surely FILE NO SVM 12070 Remarks Lead connecting part Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent flaw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Attachment 1 Insert claws of the fan guard in the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws Check that all the hooking claws are fixed to the specified positions 101 Minus screwdriver Hooking claw FILE NO SVM 12070 Part name Procedure Remarks TE sensor Outdoor heat excha
92. ioner 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 11 to 120 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com from the indoor unit side and controls the outdoor fan and the pulse motor valve PMV Besides detecting revolution position of the compres sor motor the outdoor unit controller controls speed of the compressor motor by controlling output voltage of the inverter and switching timing of the supply power current transfer timing so that motors drive according to the operation command And then the outdoor unit controller transfers reversely the operating status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Ro
93. ir water heat pump installation Existence of new equipment for R410A Yes Whether conventional equipment can be used Note 1 Whether new equipment can be used with conventional refrigerant Yes Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Yes Note 1 Note 1 Torque wrench For 12 7 Connection of flare nut Yes No Gauge manifold Charge hose Evacuating refrigerant charge run check etc Yes No Vacuum pump adapter Vacuum evacuating Yes No Electronic balance for refrigerant charging Refrigerant charge Yes No Refrigerant cylinder Refrigerant charge Yes No Leakage detector Gas leakage check Yes No Charging cylinder Refrigerant charge Note 2 No Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed Vacuum pump Use vacuum pump by attaching vacuum pump adapter Torque wrench For 6 35 29 52 Pipe cutter Clamp meter ON DO Reamer Pipe bender Level vial Screwdriver Spanner or Monkey wrench General tools Conventional tools can be used In addition to the above exclusive tools the fol
94. is available on the market FILE NO SVM 12070 Table 3 2 1 Thicknesses of annealed copper pipes Thickness mm Nominal diameter Outer diameter mm R410A 2 Joints For copper pipes flare joints or socket joints are used Prior to use be sure to remove all contaminants a Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm In such a case socket joints can be used Sizes of flare pipe ends flare joint ends and flare nuts are as shown in Tables 3 2 3 to 3 2 6 below b Socket Joints Socket joints are such that they are brazed for connections and used mainly for thick pipings whose diameter is larger than 20 mm Thicknesses of socket joints are as shown in Table 3 2 2 Table 3 2 2 Minimum thicknesses of socket joints Reference outer diameter of Minimum joint thickness Nominal diameter copper pipe jointed mm mm 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air water heat pump is used and that refrigerant does not leak When using lubricating oils in the piping processing use such lubricating oils whose water content has been removed When stored be sure to seal the container with an airtight cap or any other cover
95. ith Tc 32 32 A 4 A 4 A 4 A 4 Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting I E Se E S e ei No limitation while fan speed MANUAL mode is in stability 3 Fan Seen _ L x 324 L A When Tsc gt 24 A is 24 and when Tsc lt 24 A is Tsc Calculated with linear approximation from M and L TS Fig 5 In starting and in stability In stability Until 12 minutes passed after operation start When 12 to 25 minutes passed after operation start FAN AUTO When 12 to 25 minutes passed after operation start room temp is higher than set temp 3 C and room temp is 3 C or lower than set temp When 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 e Room temp Set temp 3 5 C Operation flow and applicable data etc 3 Outdoor fan The blowing air volume at the outdoor unit side is controlled motor control Receiving the operation command from the controller of indoor unit the controller of outdoor unit controls fan speed For the fan motor a DC motor with non stage variable speed system is used However it is limited to 8 stages for reasons of controlling Air conditioner ON Remote controller Indoor unit controller 1 Outdoor unit operation command Outdoor fan control 2 Fan speed gt 400 OFF status of when the motor stopped fan motor contin
96. le data etc When the QUIET button is pushed the fan of the indoor unit will be restricted the revolving speed at speed L until the QUIET button is pushed once again cancel Quiet mode FILE NO SVM 12070 Description Quiet mode is the system which control the revolving speed of indoor fan to work constantly at lower than speed L In addition noise level of indoor unit is less than usual Remarks 1 Quiet mode is unable to work in dry mode 2 Quiet mode is appropriate to work with less cooling load and less heating load condition Because of the fan speed L may cause not enough the cooling capacity or heating capacity 16 COMFORT SLEEP Cooling mode The preset temperature will increase as shown on ECO operation Item No 9 Push the COMFORT SLEEP button to choose the operating hours Repeat pushing to select the hours 1hr 3hr 5hr or 9hr If the COMFORT SLEEP button is pushed again means cancel comfort sleep mode Heating mode The preset temperature will drop down as shown on ECO operation Item No 9 Push the COMFORT SLEEP button to choose the operating hours Repeat pushing to setect the hours 1hr 3hr 5hr or 9hr If the COMFORT SLEEP button is pushed again means cancel comfort sleep mode The principles of comfort sleep mode are Quietness for more comfortable When room temperature reach setting temperature Save energy by changing room temperature a
97. le of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function Compressor and outdoor fan stop function when serial signal is off when the serial signal does not reach the board assembly of outdoor control by 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 con
98. le 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 FILE NO SVM 12070 r O m Operation flow and applicable data etc Description 13 Self Cleaning Purpose function The Self Cleaning operation is to mini mize the growth of mold bacteria etc by running the fan and drying so as to keep Unit now performing cooling or dry operation the inside of the air conditioner clean Self Cleaning operation When the cooling or dry operation shuts down the unit automatically starts the Push STOP button Self Cleaning operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after Only timer indicator lights and Self Cleaning operation starts which the Self Cleaning operation stops The Self Cleaning operation is not performed after a heating operation Operation Time set now elapses 1 When the stop signal from the remote controller or timer off function is received only the timer indicator light 2 The period of the Self Cleaning of the operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified During Self Cleaning operations period the unit stops operating The louver opens slightly The indoor fan oper ates continuously at a speed of
99. lity for the damage caused by not observing the description of this manual Be sure to read this installation manual carefully before installing Recommend to the owner to perform maintenance periodically when using over long periods of time Be sure to follow the precautions provided here to avoid safety risks The symbols and their meanings are shown below DANGER Itindicates that incorrect use of this unit can result in a high possibility of severe injury 1 or death WARNING It indicates that incorrect use of this unit may cause severe injury of death CAUTION It indicates that incorrect use of this unit may cause personal injury 2 or property damage 3 1 Asevere injury refers to blindness injury burns hot or cold electrical shock bone fracture or poisoning that leaves aftereffects and requires hospitalization or extended out patient treatment 2 Personal injury means a slight accident burn or electrical shock which does not require admission or repeated hospital treatment 3 Preperty damage means greater damage which affects assets or resources For general public use Power supply cord of parts of appliance for outdoor use shall be at least polychloroprene sheathed flexible cord design HO7RN F or cord designation 60245 IEC66 1 5 mm or more Shall be installed in accordance with national wiring regulations CAUTION New refrigerant air conditioner installation e THIS AIR CONDITIONER ADOPTS THE NEW
100. lowing equipments which serve also for R22 are neces sary as the general tools 1 9 Hole core drill 065 10 Hexagon wrench 3 Insulation resistance tester 4 Electroscope Opposite side 4mm 11 Tape measure 12 Metal saw Also prepare the following equipments for other installation method and run check 1 2 Thermometer FILE NO SVM 12070 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment m When the compound 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 power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound gauge s pointer does not return adapter Set the refrigerant cylinder to the electronic balance Open fully both packed valves at liquid and gas connect the connecting hose to the cylinder and the sides connecting port of the electronic balance and charge liquid 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 ev
101. m C Hi POWER COMFORT SLEEP QUIET Louver AUTO Swing SLEEP 1 3 5 9 OFF TIMER PURE Air purifier FILE NO SVM 12070 8 2 Outdoor Unit Inverter Assembly SNE HUN IOIUOCH Y O NW IQON ANd HOI ANd 40 e eH HND JeAuq ov lt 2 208098 1 1lld 19119AU 191J9AU02 jueuno yndu 9SION Jossaidwog ZHWr nouo Ov d 20 UOn291102 10102 di 4001 1 MOd L I JO OUJ ue Joopino Josues duiei JeBueuoxe Ga n3119 op 1oopul 0 uoneoliunuuuuo2o e 0 3u09 e duet 6JeuoSsiq Josu s duet Leien 041009 ANd uoipns jueuno uonounj 49149Au00 d Josues duet KouenbeJ 1ndino Joao Jo0pjhO mme 043009 UEL Jo0pinO I 99 p 1uaJno 49 0 1 qd se 1 jueuno 1ndu uonoun sis ulu s NMd Josues duet NOW KC Wen 1oopu D D LI 1 1 uonoe4100 10196 JaMod LI LI LI 1 1 1 LINN HOOG L10 amp O d 60082210 ZH09 A0EZ OZZ ZHOS A0v2 022 i INVH9VIG 3019 YALNdNOD OYDIN LINN HOOQNI 404 23 FILE NO SVM 12070 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air condit
102. n the ASI S5 following figure T Fan speed depend on presetting and can change every speed B 7 12 DRY max COOL min 6 x 5 COOL min 11 DRY max COOL min 6 x 4 COOL min 10 DRY max COOL min 6 x 3 COOL min 9 DRY max COOL min 6 x 2 COOL min 8 DRY max COOL min 6 x 1 COOL min EN RAS 18N3KVR E RAS 22N3KVR E Heating operation Compressor speed OHz 30 minutes Room temp Set temp B zone a to cHz RAS 18N3KVR E RAS 22N3KVR E Pe FILE NO SVM 12070 Description lt Cooling operation gt 1 The control target temperature increases 0 5 C per hour up to 2 C starting from the set tem perature when ECONO has been received 2 The indoor fan speed depends on presetting and can change every speed after setting ECO operation 3 The compressor speed is controlled as shown in the left figure lt Heating operation gt 1 Setting the compressor speed to Max aHz the temperature zone in which the operation can be performed with Max cHz is gradually widened after 30 minutes passed when starting ECO operation 2 The indoor fan speed depends on presetting and can change every speed after setting ECO operation Operation flow and applicable data etc 10 Temporary Pushing RESET button starts the temporary operation operation of AUTO operation When keeping RESET but
103. n the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischarging the diameter of the service port differs from that of R22 Ifa 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 refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may
104. nal injury and property damage can result if the unit falls FILE NO SVM 12070 CAUTION Please read this installation manual carefbefore installing the unit It contains further important instructions for proper installation Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water e After unpacking the unit examine it carefully for possible damage e Do not install in a place that can increase the vibration of the unit Do not install a place that can amplify the noise level of the unit or where noise and discharged air might disturb neighbors This appliance must be connected to the main power supply by means of a circuit breaker depending on the place where the unit is installed Failure to do so may cause electrical shock Follow the instructions in this installation manual to arrange the drain pipe for proper drainage from the unit Ensure that drained water is discharged Improper drainage can result in water leakage causing water damage to furniture Tighten the flare nut with a torque wrench using the prescribed method Do not apply excess torque Otherwise the nut may crack after a long period of usage and it may cause the leakage of refrigerant Wear gloves heavy gloves such as cotton gloves for installation work Failure to do so may cause personal injury when handling parts with sharp edges e Do not touch the ai
105. nds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad Turn OFF the breaker Disconnect two connectors CN300 of the outdoor fan motor from the outdoor P C board Does the fan rotate without trouble when rotating it with hands If the resistance value between CN300 Red lead White lead White lead Black lead Black lead Red lead of the connector CN300 Motor winding is 20 to 220 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 FILE NO SVM 12070 12 HOW TO REPLACE THE MAIN PARTS WARNING Since high voltages pass through the electrical parts turn off t
106. nel Four hooks 1 Press 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 four screws Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound 94 12 3 Outdoor Unit Part name Common procedure Procedure 1 Detachment Wear gloves for this job Otherwise you may injure your hands on the parts etc 1 Stop operation of the air conditioner and turn off the main switch of the breaker for air conditioner 2 Remove the valve cover ST1T 4 x 10L 2 pcs After removing screw remove the valve cover pulling it downward 3 Remove cord clamp ST2T 4 x 14L 3 pcs and then remove connecting cable 4 Remove the upper cabinet ST1T 4 x 10L 5 pcs After removing screws remove the upper cabinet pulling it upward 2 Attachment 1 Attach the water proof cover The water proof cover must be attached without fail in order to prevent rain water etc from entering inside the indoor unit 2 Attach the upper cabinet ST1T 4 x 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws ST2T 4 x 14L pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cov
107. nging temperature sensor e Attachment With the leads pointing downward and the sensor leads pointing in the direction shown in the figure install the sensor onto the straight pipe part of the condenser output pipe Detail C TS sensor Suction pipe temperature sensor e Attachment With its leads pointing downward point the sensor in the direction of the packed valve and install it onto the straight pipe part of the suction pipe TD sensor Discharge pipe temperature sensor e Attachment With its leads pointed downward install the sensor onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger Straight parts P id TD SENSOR Detail B TS sensor TD sensor CAUTION Arrow D TO sensor During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be damaged since damage may cause electric shocks and or a fire CAUTION After replacing the parts check whether the positions where the sensors were installed are the proper positions as instructed The product will not be controlled properly and trouble will result if the sensors have not been installed in their proper positions
108. o screws on motor cover Remarks Two screws on motor band Part name Cross flow fan Procedures lt Caution at reassembling gt 1 To incorporate the fan motor remove the fan motor rubber at shaft core side incorporate the motor into the position in the following figure and then install the fan motor Install the cross flow fan so that the right end of the 1st joint from the right of the cross flow fan is set keeping 5 mm from wall of rear plate of the main unit Holding the set screw install the cross flow fan so that U groove of the fan motor comes to the mounting hole of the set screw Q Perform positioning of the fan motor as follows When assembling the fan motor the fan motor must be installed in such a way that the fan motor leads will be taken out is positioned at the bottom front After assembling the two fixing screw of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws 98 FILE NO SVM 12070 Remarks Part name Front panel Procedures 4 Press PUSH part under the front panel and remove hooks of the front panel from the installation plate 5 Remove the front panel fixing screws 4 pcs 6 Take off four hooks of panel from rear side How to assemble the front panel FILE NO SVM 12070 Remarks Installation plate Front pa
109. ompound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of the gauge manifold valve 6 Open fully the valve stem of the packed valves both gas and liquid sides 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed valves Compound pressure gauge Pressure gauge 101 kPa 76 cmHg w Manifold valve e O C ck Handle Hi Handle Lo Keep full closed Charge hose For R410A only Charge hose For R410A only Connecting pipe Vacuum pump adapter for counter flow prevention For R410A only Vacuum pump Packed valve at gas side Service port Valve core Setting pin Packed valve at liquid side Fig 10 4 7 CAUTION e KEEP IMPORTANT 5 POINTS FOR PIPING WORK 1 Take away dust and moisture Inside of the connecting pipes 2 Tight the connection between pipes and unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check gas leak connected points 5 Be sure to fully open the packed valves before operation 2 Packed valve handling precautions e Open the valve stem all the way out but do not try to open it beyond the stopper Pipe size of Packed Valve Size of Hexagon wrench 12 70 mm and smallers A 4mm 15 88 mm A 5mm e Securely tighten the valve cap with torque in the following table Ca
110. onal vendors Self installation may cause water leakage electrical shock or fire as a result of improper installation Specified tools and pipe parts for model R410A are required and installation work must be done in accordance with the manual HFC type refrigerant R410A has 1 6 times more pressure than that of conventional refrigerant R22 Use the specified pipe parts and ensure correct installation otherwise damage and or injury may be caused At the same time water leakage electrical shock and fire may occur Be sure to install the unit in a place which can sufficiently bear its weight If the load bearing of the unit is not enough or installation of the unit is improper the unit may fall and result in injury Electrical work must be performed by a qualified elecrical engineer in accordance with the code governing such installation work inernal wiring regulations and the manual A dedicated circuit and the rated voltage must be used Insufficient power supply or improper installation may cause electrical shock or fire Use a cabtyre cable to connect wires in the indoor outdoor units Midway connection stranded wire and single wire connections are not allowed Improper connection or fixing may cause a fire Wiring between the indoor unit and outdoor units must be well shaped so that the cover can be firmly placed Improper cover installation may cause increased heat fire or electrical shock at the terminal area Be sure to use
111. ontrols 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 com pressor outdoor fan motor 4 way valve and pulse motor valve Remote controller Selection of Control contents of remote controller operation conditions ON OFF Air conditioner Operation select COOL HEAT AUTO DRY Temperature setup Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH ECO COMFORT SLEEP e ON timer setup QUIET e OFF timer setup PRESET Hi POWER ONE TOUCH Indoor unit Signal receiving Indoor unit control Command signal generating function of Indoor unit control indoor unit operation Calculation function temperature calculation Indoor fan motor Activation compensation function of indoor fan Louver motor peration command e Cold draft preventive function e Timer function Serial signal send receive e Indoor heat exchanger release control 0 E Outdoor unit f Serial signal send receive Outdoor unit control inverter Frequency control of inverter output Outdoor unit control Waveform composite function Calculation function Compressor Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick h
112. oor temp sensor TO 2 Check P C board Outdoor P C board Others including compressor Compressor drive output All off error Compressor error lock missing etc 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 Displayed when error is detected Flashes when trouble is detected on return serial signal and normal status when signal is reset When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on PMV 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 All off rotate Current protective circuit does not operate when a specified time passed after compressor had been activated Displayed when error is detected Trouble on compressor Trouble on wiring of compressor Missed phase om emm emm Discharge temp exceeded All off Displayed when Check dischage temp sensor 117 error is detected TD
113. orrect YES Replace compressor Turn ON power supply Check voltage of the NO compressor connector is in rate AC150V 270V YES Replace Replace control compressor board FILE NO SVM 12070 11 9 How to Check Simply the Main Parts 2 Inspection procedures 1 When a P C board is judged to be defective 11 9 1 How to check the P C board Indoor unit check for disconnection burning or discolora 1 Operating precautions tion of the copper foil pattern or this P C board 1 When removing the front panel or the 2 The P C board consists of the following 2 parts board be sure to shut off the power supply a Main P C board part breaker DC power supply circuit 5 V 12 V 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 parts of louver 3 When connecting or disconnecting the connec b Indication unit of infrared ray receiving tors on the P C board hold the whole housing Infrared ray receiving circuit LED Do not pull at the lead wire 11 8 2 How to shorten time for start the compressor 1 Turn on remote TOSHIBA
114. ouver motor connector Fixing screw Fixing screw LED assembly FILE NO SVM 12070 Part name Procedures Remarks Horizontal louver 1 Remove shaft of the horizontal louver from the back body First remove the left shaft and then remove other shafts while sliding the horizontal louver leftward Evaporator 1 Follow to the procedure in the item Heat exchanger 2 Remove the pipe holder from the rear side of the main unit 3 Remove two fixing screws at the left side of the end plate of the heat exchanger 2 Screws 4 Remove two fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body 90 FILE NO SVM 12070 Part name Procedures Remarks Bearing 1 Follow to the procedure in the item 2 Remove the two screws used to secure the bearing base screws 3 Remove 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 body Bearing 91 Part name Fan motor Procedures 1 Follow to the procedure till item 2 Loosen the set screw of the cross flow fan 3 Remove two fixing screws of the motor cover and them remove the motor cover 4 Remove two more fixing screws of the motor band and remove the motor band 5 Pull the fan motor outward 92 FILE NO SVM 12070 Set screw Tw
115. p Cap Size H Torque 14 18 N m SH 1 4 to 1 8 kgf m Valve Rod Cap 33 42 N m 3 3 to 4 2 kgf m 8 12 N m iii 0 8 to 1 2 kgf m Service Port Cap 14 18 N m PU 1 4 to 1 8 kgf m Valve Rod Cap Fig 10 4 8 FILE NO SVM 12070 10 4 5 Wiring connection 1 Remove the valve cover the electric parts cover and the cord clamp from the oudoor unit 2 Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of indoor and outdoor unit 3 Insert the power cord and the connecting cable carefully into the terminal block and secure it tightly with screws 4 Use vinyl tape etc to insulate the cords which are no going to be used Locate them so that they do not touch any electrical or metal parts 5 Secure the power cord and the connecting cable with the cord clamp 6 Attach the electric parts cover and the valve cover on the outdoor unit 10 4 5 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 60245 IEC66 1 5 mm or more lt Stripping length of the connecting cable Terminal H d dE QD Hen block Al Ee EH H JS
116. pper pipe Outer dia 6 35mm Thickness 0 8mm Sectional shape Deoxidized copper pipe of heat insulator Jee dia 12 7mm Thickness 0 8mm 4 way valve M STF 0213 Z Muffler Y Muffler H ID Accumulater tank Compressor DA150A1F 20F A Outdoor heat exchanger TS TN Split capillary 1 dia 2 x 1004 2 4 dia 2 x 66 Propeller fan OUTDOOR UNIT NOTE Max 20 Min 2m Chargeless 15m Charge 20g m 16 to 20m difference 10m Allowable pipe length Allowable height Strainer Pulse Modulating valve at liquid side CAM BD16TCTH 2 NOTE Bib Gas leak check position gt Refrigerant flow Cooling Refrigerant flow Heating The maximum pipe length of this air conditioner is 15m When the pipe length exceeds 15m the additional charging of refrigerant 20g per 1m for the part of pipe exceeded 15m is required Max 100g FILE NO SVM 12070 7 2 Operation Data lt Cooling gt Tempeature Standard Heat exchanger Indoor Outdoor Compressor ee Model name condition C RAS pressure pipe temp fan mode fan mode revolution indoor Outdoor P MPa ps 27 19 35 24 18N3KVR E 0 9 1 1 11t013 40to 42 High High 22N3KVR E O 9to14 111013 411043 lt Heating gt Tempeature Standard Heat exchanger Indoor Outdoor Compressor S Model name
117. pump down operations ensure to perform the following procedures Do not inject air into the refrigeration cycle Be sure to close both service valves and stop the compressor before removing the refrigerant pipe It removing the refrigerant pipe while the compressor is operating with the service valves opened it may cause to air absorbed and abnormal high pressure inside the refrigeration cycle and resulting burst or injury Do not modify the power cable connect the cable midway or use a multiple outlet extension cable Doing so may cause contact failure insulation failure or excess current resulting in fire or electrical shock Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body Be sure to comply with local regulations codes when running the wire from the outdoor unit to the indoor unit Size of wire and wiring method etc Places where iron or other metal dust is present If iron or other metal dust adheres to or collects on the interior of the air conditioner it may spontaneously combust and start a fire If you detect any damage do not install the unit Contact your supplying dealer immediately Never modify this unit by removing any of the safety guards Do not install in a place which cannot bear the weight of the unit Perso
118. r intake section or the aluminum fins of the outdoor unit It may cause injury Do not install the outdoor unit in a place which can be a nest for small animals Small animals could enter and contact internal electrical parts causing a failure or fire e Request the user to keep the place around the unit tidy and clean e Make sure to conduct a trial operation after the installation work and explain how to use and maintain the unit to the customer in accordance with the manual Ask the customer to keep the operation manual along with the installation manual FILE NO SVM 12070 2 SPECIFICATIONS 2 1 Specifications Unit model ndoor Outdoor Cooling capacity RAS 18N3KVR E RAS 22N3KVR E RAS 18N3AV E RAS 22N3AV E eo Cooling capacity range 1 1 6 0 Heating capacity Heating capacity range 0 8 6 3 Power supply 1Ph 50Hz 220 240V 1Ph 60Hz 220 230V Electric Operation mode Cooling Running current 220 240V A 0 38 0 35 Power consumption W 0 50 40 40 Power factor a a Cooling Running current 220 240V 8 93 8 19 Power consumption 1945 Power factor 59 Starting current 3 01 dB A 44 41 38 35 32 44 41 38 35 32 47 44 41 38 35 5 7 level dB A 53 M M L L dB A 62 59 56 53 50 5 Sound power Indoor level dB A Indoor unit i RAS 22N3KVR E imenti 320 1050 24 kg 16 5 550 780 290 39 d characteristic 0
119. re high frequency waves are likely to be generated such as from audio equipment welders and medical equipment Fig 10 4 2 10 4 3 Refrigerant piping connection lt Flaring gt 1 Cut the pipe with a pipe cutter O X X K waro Ni o Obliquity Roughness go d gg Fig 10 4 3 2 Insert a flare nut into the pipe and flare the pipe e Projection margin in flaring A Unit mm Rigid cluch type Outer dia of copper pipe Imperial 26 35 1 0 to 1 5 12 70 1 0 to 1 5 gt gt Pipe Fig 10 4 4 Imperial wing nut type Outer dia of copper pipe R410A 26 35 1 5 to 2 0 12 70 2 0 to 2 5 lt 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 aif union C union Caen nut RONA EUN RONA side Jom threaded side Use a wrench Use a torque wrench to secure to secure Fig 10 4 5 Do not apply excess torque e Otherwise the nut may crack depending on the conditions Unit N m Outer dia of copper pipe Tightening torque 26 35 14 to 18 1 4 to 1 8 912 70 50 to 62 5 0 to 6 2 kgf m lt Tightening orque of flare pipe connections The operating oressure of R410A is higher than that of R22 approx 1 6 times It is therefore necessary to firmly
120. s earth Usable temperature range Indoor 21 32 21 32 10 46 15 24 10 46 nstallation plate 1 N Wireless remote controller Batteries cover Remote controller holder Toshiba New IAQ filter Long Mounting screw 6 24 25L 6 24 x 25L Pan head wood screw 2 93 1 x 16L 1 23 1 25L 2 23 1 x 16L 1 23 1 x 25L Plasma air purifier nstallation instruction Owner s manual Drain nipple STET E E a s 8 8 Water proof rubber cap The specification may be subject to change without notice for purpose of improvement FILE NO SVM 12070 2 2 Operation Characteristic Curve lt Heating gt lt Cooling gt 10 00 c gt lt eo z N q Bd lt c 7 00 0 5 00 0 u c gt lt 2 7 lt c v n3u uno _ RAS 18N3KVR E v queuing 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 50 60 70 80 90 100 110 120 0 5 Compressor Speed Compressor Speed RPS 2 3 Capacity Variation Ratio According to Temperature lt Heating gt lt Cooling gt 120 Condition Condition Indoor DB20 C b o N N e a uc s Indoor Air Flow Volume High Pipe Length 7 5m lt o9 3 E 3 o gt z Fa i 5 o Q N E D c al a Capacity Ratio 100 Capacity Ratio 100 5 8kW RAS 18N3
121. 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 compressor motor speed is restricted to Max 41 rps for 2 minutes and Max 91 rps for 2 minutes to 3 minutes respectively after the operation has started In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation mode again if the compressor keeps stop status for 15 minutes In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature The compressor motor speed may decrease by hightemp release control Release protective operation by temp up of the indoor heat exchanger or current release control FILE NO SVM 12070 11 2 Primary Judgment To diagnose the troubles use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the conten
122. t eft Wireless remote control Bottom left J ottom lel Insulate the refrigerant pipes N separately with insulation not together The provided Remote Controller is a wireless type which also can be used as a wire Please see How to Connect The Remote Controller for Wired Operation in case of wired control is required 600 mm or more 8 mm thick heat resisting polyethylene foam Not available Xe B When installing the outdoor unit leave open in at least two of direction A B C and D shown in the figure on the right Extension drain hose provided by installer Remark Detail of accessory and installation parts can see in the accessory sheet Some pictures might be different from the actual parts Loading Batteries 1 Remove the battery cover 2 Insert 2 new batteries AAA type following the and positions 2 Wireless remote controller FILE NO SVM 12070 10 2 Optional Parts Accessories and Tools 10 2 1 Optional installation parts ec Parts name Q ty Refrigerant piping One Liquid side 26 35 mm Sach Gas side 12 70 Pipe insulating material 1 polyethylene foam 8 mm thick One each Putty PVC tapes lt Fixing bolt arrangement of outdoor unit gt 108 mm 125 mm T 28 mm E Air inlet A 1 fa NA Wima y Air outlet 90 mm 600 mm Drain outlet
123. ted Even if trying operation again all operations stop immediately Replace P C board Position detect circuit error All off or short circuit between windings of compressor Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace P C board Measure resistance between wires of compressor and perform short circuit Replace compressor TN Current detect circuit error All off Displayed when error is detected Even if trying operation again all operations stop immediately Replace P C board I emm Being out of place All off disconnection or shortcircuit of the outdoor heat exchanger sensor TE or suction temp sensor Ts Displayed when error is detected 1 Check sensors TE TS 2 Check P C board emm UN Disconnection or All off shortcircuit of discharge temp sensor Displayed when error is detected 1 Check discharge temp sensor TD 2 Check P C board eme EN emm Outdoor fan drive system All off 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 Not displayed emm wm emm Outdoor heat exchanger temp sensor error Operation continues 1 Check outd
124. the pipe after installation of the unit figure To the front flare A Gas side 1 Liquid side Cr R30 or less 26 35 R50 or less 012 70 015 88 Use polishing polyethylene core or the like for bending pipe E i 3 Outward form of indoor unit Use a screwdriver handle etc Fig 10 3 19 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 pipes to the auxiliary pipes and wrap the facing tape around them CAUTION Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with FILE NO SVM 12070 Information The lower part of indoor unit may float due to the condition of piping and you cannot fix it to the installation plate In that case use the 1 screws trovided to fix the unit and the installation plate facing tape Indoor unit Auxiliary pipes 2 Connecting oy cable Installation plate Fig 10 3 20 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 connecting pipes to one another and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the
125. this time check that the remote controller is in status which is shortened by time on the reactivation preventive timer and all display indicators go on for approx 3 seconds when a signal is received 7 time on the reactivation preventive timer is not shortened the high voltage is not applied to electrode of the air purifier for approx 1 hour While the air purifier operates check that the fan speed AUTO is not displayed Because the power ON OFF is controlled on the program 3 Be sure not to touch the electrode with the human body Does the indoor fan rotate item Only indoor fan does not operate YES Does the PURE indicator Blue or N NO the FILTER indicator Orange go on Replace the main P C board YES Does the PURE indicator go off within 2 seconds after YES To item How to check whether it was ON and does the FILTER the air purifier is good or not indicator Orange go on How to check output of the air purifier Referring to the right figure check the high voltage output of the air ionizer Caution on High Voltage gt In this time peel the thermal insulator and attachit to the original position after check operation NOTE Ly Use an exclusive high voltage tester otherwise the tester may be broken Does the electrode output approx 6kV Replace the high voltage generator x o 2 x o
126. ting front panel slit Cut out the slit on the left or right side of the front panal for the left or right connection and the slit on th bonttom left or right side of the front panel for the botto left or right connection with a pair of nippers 2 Changing drain hose For leftward connection bottom leftward connection and rear leftward connection s piping it is necessary to change the drain hose and drain cap How to remove the drain cap Clip the drain cap by needle nose pliers and pull out Fig 10 3 13 How to install the drain hose Firmly insert drain hose connecting part until hitting on a heat insulator and fix it with a screw How to remove the drain hose The drain hose can be removed by removing the screw securing the drain hose and then pulling out the drain hose When removing the drain hose be careful of any sharp edges of steel plate The edges can injuries To install the drain hose insert the drain hose firmly until the connection part contacts with heat insulator and the secure it with original screw Heat insulator Drain hose Fig 10 3 14 lt How to attach the drain cap gt 1 Insert hexagon wrench 4 mm in a center head 4 mm Fig 10 3 15 2 Firmly insert drain cap No gap A AE e Do not apply lubricating oil refrigerant machine oil when inserting the
127. tion Control of the compressor speed The speed control is performed as described in the left table based upon the discharge temperature 12 Pulse motor valve PMV control Operation flow and applicable data etc 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 Move to initial position Compressor ON Td PMV open degree control Stop by Room temp sensor remote controller Ta sensor control SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Motor Valve FILE NO SVM 12070 Description 1 When starting the operation move the valve once until it fits to the stopper Initialize In 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 delrost operation is performed the open degree of valve is adjusted according to each setup conditions during preparation for defrost or during defrost operation 4 way valve is inversed 5 To turn off the compressor whi
128. ton pushed for 10 seconds or more the temporary COOL operation is performed Filter lamp ON YES Push RESET button NO Did you push RESET button for 3 seconds or more YES Did you push RESET button N YES for 10 seconds or more NO Switch to AUTO RESTART control Temporary COOL Operation Temporary AUTO operation FILE NO SVM 12070 Description 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 11 Discharge temperature 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 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective control 2 Opera
129. trol in heating operation Temperature measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger e For these signals Operation mode and Com pressor revolution indoor heat exchanger tem perature the outdoor unit controller monitors the input current to the inverter and performs the followed operation within the range that current does not exceed the allowable value Contents of operation command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller The current operation mode The current compressor revolution Outdoor temperature Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to th
130. ts of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Block display Description for self diagnosis e When turn ON power supply e Power supply ON after failure or OFF e This flashing display is not air conditioner failure OPERATION Green Indoor indication Flashing display 1 Hz lamp flashes OPERATION Green Which lamp Flashing display 5 Hz does flash Protective circuit operation for indoor P C board OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz NOTES 1 Some check code will flash display of the indoor unit when the air conditioner operates with some limitation 2 Some check code will flash display of the indoor unit and stop operation of the air conditioner 3 When item B and C or item B and apart of item E occur concurrently priority is given to the block of item B 4 The check codes can be confirmed on the remote controller for servicing FILE NO SVM 12070 11 4 Self Diagnosis by Remote Controller Check Code 1 If the lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by th
131. ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Operation flow and applicable data etc lt ln cooling dry operation gt Prevent freezing control for indoor heat exchanger In cooling dry operation the sensor of indoor heat exchanger detects evaporation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Usual cooling capacity control When the value is in Q zone the compressor speed is kept Reduction of compressor speed FILE NO SVM 12070 Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is re duced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 C to under 7 C the compressor speed is kept Q zone 3 When temperature of the indoor heat exchanger rises to 7 C or higher the capacity control operation returns to the usual control in cooling operation R zone lt ln heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat exchanger detects condensation temperature and controls the compressor speed so that temperature of the heat exchanger does not exceed the specified value Reduction of compressor speed When the value is in Q zone the compressor speed is kept Usual heating capacity control
132. ues YES Air conditioner Alarm OFF display NO 4 Motor operates as shown in the table below FILE NO SVM 12070 Description 1 The operation command sent from the remote controller is processed by the indoor unit controller and transferred to the controller of the outdoor unit 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an alarm is displayed if the fan is locked 4 According to each operation mode by the conditions of outdoor temperature To and compressor revolution the speed of the outdoor fan shown in the table is selected In cooling operation In Heating operation Compressor speed rps MIN MAX MIN MAX 22 1 50 3 Compressor speed rps 30 5 55 1 To gt 10 C To gt 38 C To gt 5 5 C To gt 28 C To gt 5 C To gt 15 C To gt 5 5 C lt 5 C gt 10 5 7 19 To gt 0 C During To gt 5 5 C f7 f9 fB To gt 5 C ECO mode To gt 5 C f9 fA fB To gt 38 C To lt 5 C f 9 fA fB To gt 28 C When To is abnormal fD fD fD During ECO To gt 15 C To gt 5 5 To gt 0 C To gt 5 C When To is abnormal QUIET and comfort sleep
133. utomatically The air condition can shut down by itself automatically Remarks 1 Comfort sleep mode will not operate in dry mode and fan only mode 17 Short Timer In the normal condition after switching one circuit breaker 3 minute delay time for compressor and 1 hour for plasma air purifier are set for the maintenance of the unit TOSHIBA STEEN 4 CHK v set o o Q CHECK CLOCK FILTER RESET Purpose To start the unit immediately for the purpose of testing trial etc short timer can be used maintenance of the unit Short Timer Setting Push button to turn the unit OFF Q Set the operation mode or plasma air purifier on the remote controller without sending the signal to the unit Use the tip of the pencil to push the CHK button and hold 00 will show on display then push SET button to make 00 disap pear Push button to turn the unit ON When short timer is activated all setting on
134. uum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Vacuum pump adapter Gas leakage detector Exclusive for HFC refrigerant 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 10 3 Indoor Unit 10 3 1 Installation Place A place which provides the spaces around the indoor unit as shown in the diagram A place where there are no obstacle near the air inlet and outlet A place which allows easy installation of the piping to the outdoor unit A place which allows the front panel to be opened The indoor unit shall be installed as top of the indoor unit comes to at least 2 m height Also it must be avoided to put anything on the top of the indoor unit CAUTION Direct sunlight on the indoor unit s wireless receiver should be avoided The microprocessor in the indoor unit should not be too close to RF noise sources For details see the owner s manual Remote control e A place where there are no
135. water FILE NO SVM 12070 10 5 2 Remote Control A B Selection e When two indoor units are installed in the same room or adjacent two rooms if operating a unit two units may receive the remote control signal simultaneously and operate In this case the operation can be preserved by setting either one remote control to B setting Both are set to A setting in factory shipment e The remote control signal is not received when the settings of indoor unit and remote control are different e There is no relation between A setting B setting and A room B room when connecting the piping and cables Remote control A B selection To separate using of remote control for each indoor unit in case of 2 air conditioners are installed nearly Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON 2 Point the remote control at the indoor unit 3 Push and hold CHECK button on the Remote Control by the tip of the pencil 00 will be shown on the display Picture 4 Press MODE during pushing CHECK B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Picture 2 NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A TOSHIBA TOSHIBA LILI Fig 10 5 2
136. 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 From Nitrogen cylinder Cv eu Rubber plug Nitrogen gas Fig 3 5 1 Prevention of oxidation during brazing FILE NO SVM 12070 4 CONSTRUCTION VIEWS 4 1 Indoor Unit Heat exchanger Air Inlet Air filter 1050 Grille Inlet Front Panel 320 Air outlet Knock out system 50 Drain hose 0 5m Connecting pipe 0 39m Connecting pipe 0 49m Flare 12 70 Flare 6 35 For stud bold 6 For stud bold 8 10 Outline of indoor unit Installation plate outline 5 4 2 Outdoor Unit 600 0 RI5 6 __ 96 hole R5 5 o oi 28 108 320 86 sd E KE I 1 A detail Drawing Back leg 25 Drain outlet FAN GUARD 436 550 275 290 2 011 x 14 Hole For 98 210 anchor bolt TOSHIB FILE NO SVM 12070
137. ws 1 Automatic operation The indoor unit operates in according to the current operation Cooling operation The preset temperature drops 1 degree The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increases 1 tap Heating operation The preset temperature increases 2 degree The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increases 1 tap The Hi POWER mode can not be set in Dry operation 20 FILTER Indicator When the elapsed time reaches 1000 hours after air conditioner operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn Off FILTER Indicator Push RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indicator is not lit the indoor unit will start the automatic operation When you want a temporary operation while the FILTER lamp lights push RESET button to turn off the FILTER lamp FILE NO SVM 12070 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factor
138. y Therefore it is necessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart function proceed as follows The power supply to the unit must be on the function will not set if the power is off Push the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is stand by Not operating Operation Motions Push RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on J After approx three seconds The unit beeps three times The green indicator flashes HIPOWER FILTER PRE DEF TIMER OPERATION and continues to operate for 5 seconds 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 Push RESET button for more than The unit is in operation The green indicator is on three seconds Less than 10 seconds The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times The green indicator flashes PONES ie for 5 seconds If the unit is required to operate at this time pus

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