Home

SERVICE MANUAL

Contents

1. Indoor terminal block am 9e SIE Gla POWER SUPPLY az mn From outdoor Unit a GRN amp YEL x SHEET METAL CN TY3CN27 Heat exch Pod HI 5 i WHI leat exchanger Ez Dor ZE qo Esp DOC A N e gt a EL DC Motor J sls EL s 1 BG BU P TTA CN3 FAN motor WH gt 252 Dt gt Heat Exchanger Sensor CN63 pin TH TCJ YED aC 00 BS E Tg Varistor eN 4 4 leat Exchanger Sensor _ rc BLU ti CN32 Louver Motor Line WHI 00 Filter L exo 22 DC5V Thermo Sensor 61 DC 12V O TA WHI L i DC15V O 2 5 24 Wal 05 Zu 5 a e id c EIE BLU ps e Color indication SS my Br BRW BROWN BLU ps IT YEL YELLOW oS BLI gt LQ sf U ps BLK BLACK ES 7 BLU gt SS RED RED BE Patel BLU Py a BLU BLUE Se 4 BLU 5 WHI WHITE ES Pokoe GRN amp YEL GREEN amp YELLOW CN10 i Main P C Board WH WP 026 80 9000009 CN81 WHI FILE NO SVM 12061 6 SPECIFICATIONS OF ELECTRICAL PARTS 6 1 Indoor Unit Fan motor for indoor MF 340 30 3 AC 240V 20W Room temp sensor TA sensor 1 3 at 25 C Heat exchanger temp sensor TC sensor 1 0 hog at 25 MSBPC20F04 Output Rated 1W 16 poles DC12V 6 2 Outdoor Unit Seinen Outdoor fan motor ICF 140 43 4R DC140V
2. Power Supply EET From Outdoor Unit Serial Signal Communication Operation Command and Information Remote Controller Infrared Rays 36 7kHz REMOTE CONTROLLER o Operation Mode Selection E AUTO COOL DRY HEAT Nu Thermo Setting N Fan Speed Selection E ON TIMER Setting OFF TIMER Setting Louver AUTO Swing B Louver Direction Setting E E ES Hi POWER E rmm irr s FILE N SVM 12061 8 2 Outdoor Unit Inverter Assembly JosseJduio UE JOOPINO LINN HOOOLNO HUN ONUOD Y O IN JOION SNd A N d oq JOB AUI 1 L lt 90 Jeue u aye joerep uano D jueuno AW dio INDIO JOAUT 9 Josues JouoAuo jueuno ZHINY PNOO A ouenbey UOn294102 20108 42019 U IH JOOPU jonuoo dwa eBaeuosiq 041009 AN d uol ounj G Y Kouenbea 1ndino jonuo9 20428 JOMOT U IH 0 009 UB JOOPINO 99 p JUBUND J9AO HDI 03009 Jndu UOIJ9UN 515901045 NMd MIN 8 O d 600820210 m CK dE INVH9Via 2018 HALNdNOI OUIDIN JeyJ 9SION Josues duiei JeDueuoxe 1e9H Josues duie uon
3. ennenneeneereeeerenenanannennenenenennnnenn 43 9 4 2 Operation of remote control a 43 9 4 3 Display of Remote Control driver 46 FILE NO SVM 12061 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 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 controls the indoor fan motor and louver motor 5 The indoor controller sends the operation command to the outdoor controller and sends receives the control status with a serial signal 6 The outdoor controller controls the operation as shown in the left and also controls the compres sor outdoor fan motor 4 way valve and pulse Modulating valve Remote controller Selection of Control contents of remote controller operation conditions ON OFF Air conditioner Air purifier Operation select COOL HEAT AUTO DRY Air direction Swing Air volume select AUTO LOW LOW MED MED HIGH ECO e COMFORT SLEEP ON timer setup e QUIET OFF timer setup e PRESET Hi POWER ONE TOUCH Indoor unit
4. Use the handle of screwdriver etc Fig 10 3 17 NOTE If the pipe is bent incorrectly the indoor unit may unstably be set on the wall After passing the connecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them M CAUTION B Bind the auxiliary pipes two and connecting cable with facing tape tightly In case of leftward piping and rear leftward piping bind the auxiliary pipes two only with facing tape Indoor unit W LED Sp Connecting cable C SD 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 each other and cut off the insulating tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use Auxiliary pipes Installation plate NC When bending a pipe carefully do it not to crush it polyethylene foam as insulating material 10 3 5 Indoor unit fixing 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks Swing the indoor unit to right and left to confirm that it is firmly hooked up on the installation plate While pressing the indoor unit onto the wall hook it at
5. H BA FILE NO SVM 12061 SERVICE MANUAL AIR CONDITIONER SPLIT TYPE Indoor Unit Outdoor Unit High Wall Heat Pump Type lt Heat Pump Type gt RAS B16N3KV2 E RAS 16N3AV2 E HFC August 2012 FILE NO SVM 12061 CONTENTS SAFETY PRECAUTIONS ocisoorserseerernsnrenanssensanswenrwenugannee 2 SPECIFICATIONS uuu asss taande cu Dean Loir ve 5 REFRIGERANT 2 7 CONSTRUCTION VIEWS 15 WIRING DIAGRAM 2 2 uiie adoratan aneto uspesni napr iienaa spressi ada aussi 17 SPECIFICATIONS OF ELECTRICAL PARTS 18 REFRIGERANT CYCLE DIAGRAM 19 CONTROL BLOCK DIAGRAN J J 21 OPERATION DESCRIPTION J 23 INSTALLATION PROCEDURE eeen eenen nnne nnn 47 HOW TO DIAGNOSE THE TROUBLE 61 HOW TO REPLACE THE MAIN 82 EXPLODED VIEWS AND PARTS LIST 99 FILE NO SVM 12061 1 SAFETY PRECAUTIONS The manufacturer shall not assume any liability for the damage
6. Timer display Compressor OFF CDU fan ON or OFF depend on presetting per room temperature OFF gt Operation time Cool mode or dry mode Self Cleaning mode operation more than 10 mins operate 30 mins Turn off by remote controller or Automatically turn o f timer off function 14 Remote A or B Setting the remote controller 1 Purpose selection To separate using of remote control for each indoor This operation is to operate only one unit in case of 2 air conditioner are installed nearly indoor unit using one remote controller Remote Control B Setup 1 Press RESET button on the indoor unit to turn the air conditioner ON situation where two indoor units have 2 Point the remote control at the indoor unit been installed in the same room or 3 Push and hold CHK e button on the Remote nearby rooms this operation prevents the Control by the tip of the pencil 00 will be shown remote controller signal from being shown on the display received simultaneously by both units 4 Press MODE e during pushing CHK e B will thus preventing both units from operating show on the display and 00 will disappear and Operation the air conditioner will turn OFF The Remote The indoor unit on which the remote Control B is memorized controller selection has been set to B receives the signal of the remote control Note 1 Repeat above step to reset Remote Control ler also set to B to be A At the f
7. 2 Wireless remote controller 10 2 Installation 10 2 1 Optional installation parts Part Code Parts name Q ty Refrigerant piping Liquid side 26 35 mm Gas side 12 70 eag Pipe insulating material 1 polyethylene foam 6 mm thick One Putty PVC tapes each lt Fixing bolt arrangement of outdoor unit gt 320 mm 108 mm 125 mm 1 L 28 mm S Air inlet a lt AA N 8 2 H x U Air outlet 90 mm 600 Drain outlet Fig 10 2 1 FILE NO SVM 12061 e Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong wind e Use 28 mm or 210 mm anchor bolts and nuts e f 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 FILE NO SVM 12061 10 2 2 Accessory and installation parts Part Q ty a Part name Q ty Part name aes le Flat head wood screw Installation plate x 1 Toshiba New IAQ filter L x 1 23 1 25 0 1 BE S dq o or Wireless remote control x 1 Battery cover x 1 Drain nipple x 1 mmm D KD Cap water proof x 2 Battery x 2 Mounting screw 24 x 25 x 6 Flat head wood screw Remote control holder x 1 2
8. 3 When keeping RESET button pressed for 10 seconds or more Pi sound is heard and the temporary COOL operation starts 4 If the filter lamp goes on press RESET button to go off the filter lamp and then press RESET button again 5 To stop the temporary operation press the button again 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective control Operation Control of the compressor speed The speed control is performed as described in the left table based upon the discharge temperature Operation flow and applicable data etc 12 Pulse This function controls throttle amount of the Modulating refrigerant in the refrigerating cycle valve P M V According to operating status of the air conditioner control this function also controls the open degree of valve with an expansion valve with pulse Modulation Starting up Move to initial position Compressor ON Td PMV open degree control Stop by Room temp sensor remote controller Ta sensor control Power OFF Defrost SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pulse Modulating Valve FILE NO SVM 12061 Description 1 When starting the operation move the valve once until it fits to the stopper Initialize n this time Click sound may be
9. 5 Fan is controlled as followings FILE NO SVM 12061 Operation flow and applicable data etc Description 18 Hi POWER Hi POWER button on the remote controller Mode is pressed When Hi POWER button is pressed while the indoor unit is in Auto Cooling or Heating operation Hi POWER mark is indicated on the display of the remote controller and the unit operates as follows 1 Automatic operation e The indoor unit operates in according to the current operation Cooling operation The preset temperature drops 1 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap Heating operation The preset temperature increases 2 C The value of the preset temperature on the remote controller does not change The indoor unit s fan speed level increase 1 tap The Hi POWER mode can not be set in Dry operation 19 FILTER When the elapsed time reaches 1000 hours after Indicator air conditioner operation the FILTER indicator lights After cleaning the filters turn off the FILTER indicator How to Turn Off FILTER Indicator Press RESET button on the indoor unit NOTE If RESET button is pushed while the FILTER indicator is not lit the indoor unit will start the automatic operation 20 Short Timer In the normal condition after switching one circuit Purpose breaker 3 minute delay time for compressor and To start the unit immedia
10. 6 35mm 84 5 621 84 5 235 235 215 215 Minimum distance t ceiling 275 Center line Installation plate outline IB 4 2 Outdoor Unit A 28 108 125 600 Es 6 RI5 L ees 1 o 8 rh a qe L_ 6 hole c R5 5 Da i 2 11 14 Hole E I FAN GUARD 436 550 275 290 A detail Drawing Back leg 25 Drain outlet For 8 210 anchor bolt TOSHIB FILE NO SVM 12061 gls Jg e 6 hole 36 11x14 hole 50 R15 B Detail Drawing Front leg COVER PV IN Electrical part cover C T T IL T1 Lt Liquid side Flare 6 35 Gas side Flare 12 70 e PIN S Rd gt Z View Service port Z Z 2 R5 5 x 17L Ushape 600
11. FAN speed indicator The mark is shown when holding down the Indicates the selected fan speed button for more than 3 seconds while the mark is f blinks AUTO or five fan speed levels Press another button to turn off the mark LOW LOW B MED mum HIGH _ can be shown 8 ECO indicator Indicates when the ECO is in activated Press the ECO button to start and press it again to stop operation B change indicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position Comfort sleep Indicates when comfort sleep is activaled Press comfort sleep button to selectter Quiet Indicates when quiet is activated Press quiet button to start and press it again to stop operation One Touch Indicates when one touch comfort is activated Press one touch button to start the operation Swing Indicates when louver is swing Press swing button to start the swing operation and press it again to stop the swing operation FILE NO SVM 12061 10 INSTALLATION PROCEDURE 10 1 Installation Diagram of Indoor and Outdoor Units o o E 5 E E wo Installation plate 7 20 mn rr More Shield pipe Flat head 4 Remote control holder wood screw Lar Vinyl tape 8 Apply after carrying Battery cover F
12. For 28 10 anchor bolt 100 or more 3 Air intlel 600 Z 7 _ _ _ Lis Air outlel 100 or more p ibas 600 1 morg Z 2 11 x 14 Long holes For 8 210 anchor bolt Installation dimension 16 FILE NO SVM 12061 5 WIRING DIAGRAM TS SUCTION PIPE TEMP SENSOR COMPRESSOR _ E E B _ _ s cya RED P04 CN300 BLK i Waij Pos SL WHI 7 j CM Q200 205 Q300 305 22 5 FM Ga IGBT MOS FET Od d PCBOARD sei FAN MOTOR MCC 5009 2 YEL ek eel R320 qh 5X ZN epu AYA YEL tee E a enog vr 57 La DO BRW o9 EOS PULSE MOTOR VALVE L03 C13 FUSE 01 VARISTOR F YEL T345A9 J AC250V ua 1 mu m 4 CN603 ci2 cia Do rre li CN602 aa TO OUTDOOR 313 TEMP SENSOR CN601 252 OO NN maa gn REACTOR 8 CN600 CONDENSER PIPE TEMP SENSOR COLOR IDENTIFICATION i BLKBLACK WHI WHITE 3 POWER BLU BLUE BRW BROWN VALVE SUPPLY RED RED ORN ORANGE in Ii GRY GRAY YELYELLOW REACTOR From main line PUR PURPLE
13. In heating operation gt Prevent overpressure control for refrigerating cycle In heating operation the sensor of indoor heat ex changer 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 1 When temperature of the indoor heat exchanger rises in the range from 52 to 55 the compressor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 48 to under 55 the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 the capacity control operation returns to the usual control in heating operation R zone 7 Defrost control Operation flow and applicable data etc 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 Outdoor heat exchanger temperature
14. SVM 12061 70 mm Wire size 28 22AWG or 0 08 0 32 mm Outer diameter not over 4 7 mm control wire length 30 m or less Notch for wire out 8782103 ES ABT AE 2A vores WP 027 02 is co A s SI HE ON Tighten firmly Terminal but not over ermina Control wire 0 12 N m 0 01 kgf m Y i Control wire Fig 10 3 8 For remote controller 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 10 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 11 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 273 1 x 25L as shown on figure 12 9 Assembly battery cover which provided with accessory bag then use provide screw 3 1 x 25L to fix battery cover together with wall as shown on figure 13 tighten firmly but n
15. e Incase of block brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting Screws NOTE e Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it FILE NO SVM 12061 10 3 3 Wiring connection lt How to connect the connecting cable gt Wiring of the connecting cable can be carried out without removing the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 3 Insert the connecting cable according to the local cords into the pipe hole on the wall 4 Take out the connecting cable through the cable slot on the rear panel so that it protrudes about 20 cm from the front 5 Insert the connecting cable fully into the terminal block and secure it tightly with screws Tighten firmly but not over 1 2 N m 0 12 kgf m Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel e Check local electrical cords and also any specific wiring instructions or limitations NO Connecting cable Terminal block Cord clamp boy 5 Cy m Earth line Screw eem Terminal
16. heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control 4 When defrost operation is performed the open degree of valve is adjusted accord ing to each setup conditions during preparation for defrost and during defrost operation 4 way valve is inversed 5 To turn off the compressor while the air conditioner stops by control of the thermostat or by remote controller adjust the open degree of valve to the setup value before stop of the compressor FILE NO SVM 12061 em Operation flow and applicable data etc Description 13 Self Cleaning 1 Purpose function The Self Cleaning operation is to minimize the growth of mold bacteria etc by running the fan and drying so as to keep the Unit now performing cooling or dry operation inside of the air conditioner clean Self Cleaning operation When the cooling or dry operation shuts down the unit automatically starts the Self Press STOP button Cleaning operation which is then performed for the specified period based on duration of the operation which was performed prior to the shutdown after which the Only timer indicator lights and Self Cleaning operation starts Self Cleaning operation stops The Self Cleaning operation is not performed after a heating operation Ope
17. 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 4 Piping materials for brazing and used 7 Remove the flux completely after brazing brazing filler flux Piping material Used brazing filler Used flux Copper Copper Phosphor copper Do not use Copper Iron Silver Paste flux lron lron Silver Vapor flux Do not enter flux into the refrigeration cycle When chlorine contained in the flux remains within the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water Remove the flux after brazing Nitrogen gas cylinder From Nitrogen cylinder gas Rubber plug Fig 3 5 1 Prevention of oxidation during brazing 4 CONSTRUCTION VIEWS FILE NO SVM 12061 4 1 Indoor Unit 225 116 480 Installation plate hanger Y I I L L Installation plate hanger Drain hose 0 50m Connecting pipe 0 35m Connecting pipe 0 40m Flare 12 70mm Flare
18. 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 2 Red lead White lead White lead _ Black lead Black lead _ Red lead of the connector CN300 Motor winding is 17 to 250 it is normal Fan motor is normal Fan motor error Outdoor P C board 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 board is replaced replace the outdoor fan motor FILE NO SVM 12061 11 10 How to setting the CLEAN OPERATION cancel 1 Add J201 of indoor PC board assembly If AUTO RESTART set before will automatic cancel when add J201 2 Turn ON breaker then hold down the RESET button on the indoor unit for 3 seconds but not more than 10 seconds The indoor unit s buzzer will emits 3 beeps RESET button 3 To operate a cooling mode for 20 minutes then turn off by remote control to ensure that Clean operation is cancelled Remark If Auto restart still require take off J201 when finish a Clean operation cancelling procedure FILE NO SVM 12061 12 HOW TO REPLACE
19. 43W Suction temp sensor TS sensor Inverter attached 10kQ 25 Discharge temp sensor TD sensor Inverter attached 62kQ 20 6 Heateschangertemp sensor TE sensor verter attached oa ese Lo CAWMDI2TOTHS por FILE NO SVM 12061 7 REFRIGERANT CYCLE DIAGRAM 7 1 Refrigerant Cycle Diagram INDOOR UNIT Temp measurement Indoor heat exchanger TCJ Men T 5 5 20 Min 2m Pressure measurement 9 9 Chargeless 15m Gauge attaching port Outer dia 6 35mm g 5 5 Charge 20g m Vacuum pump connecting port Thickness 0 8mm 89 16 to 20m Sectional shape lt 5 Deoxidized copper pipe i Outer dia 12 7mm 16 9t heat insulator Thickness 0 8mm et Y S a EE a 1 Strainer i 4 way valve _ 2 Pulse Modulating valve at liquid side Compressor DA131S1B 31FZ TS Outdoor heat spit capillary Temp measurement C lt Propeller fan Refrigerant amount OUTDOOR UNIT NOTE m Gas leak check position Refrigerant flow Cooling Refrigerant flow Heating NOTE The maximum pipe length of this air conditioner is 15 m When the pipe length exceeds 15m the additional charging of refrigerant 20g per 1m for the part of pipe exceeded 15m is requir
20. Flare nut width diameter mm mm B C mm lo 45 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 tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other oil is used the lubricating oils may deteriorate and cause the compressor to burn out Table 3 2 7 Tightening torque of flare for R410A Reference values Tightening torque of torque wrenches available on the market N m kgf cm Nominal Outer diameter Tightening torque diameter mm Nem kgf cm 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 FILE NO SVM 12061 3 3 Tools 3 3 1 Required Tools The service port diameter of packed valve of the outdoor uni
21. For 12 7 Gauge manifold Evacuating refrigerant charge run check etc Yes Charge hose Vacuum pump adapter Vacuum evacuating Yes Electronic balance for refrigerant charging Refrigerant charge Yes Refrigerant cylinder Refrigerant charge Yes Yes Note 2 Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump 4 Reamer 9 Hole core drill 265 Use vacuum pump by attaching 5 Pipe bender 10 Hexagon wrench vacuum pump adapter 6 Level vial Opposite side 4mm 2 Torque wrench For 26 35 29 52 7 Screwdriver 11 Tape measure 3 Pipe cutter 8 Spanner or Monkey wrench 12 Metal saw Also prepare the following equipments for other installation method and run check 3 Insulation resistance tester 4 Electroscope 1 Clamp meter 2 Thermometer FILE NO SVM 12061 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant
22. according to the following steps Recover the refrigerant and check no refrigerant remains in the equipment EE When the compound gauges pointer has indicated 0 1 Mpa 76 cmHg place the handle Low in the fully closed position and turn off the vacuum pump s power switch Connect the charge hose to packed valve service port at the outdoor unit s gas side Keep the status as it is for 1 to 2 minutes and ensure Connect the charge hose to the vacuum pump that the compound 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 evacuating the refrigerant in the cycle 1 Never charge refrigerant exceeding the specified amount 2 If the specified amount of refrigerant cannot be charged charge refrigerant bit by bit in COOL mode 3 Do not carry out additional charging When additional charging is carried out if refrigerant leaks the refrigerant composition changes in the refrigeration cycle that is characteristics of the air conditioner changes refrigerant exceeding the specified amount is charged and working pressu
23. 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 12061 Remarks Cutting here Thermal 100 sensor part Connector 200 Cutting here constringent tube Cutting here 100 Soldered part Doner 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 Otherwise it would cause insulation inferiority because of dew drops 3 When replacing the sensor using the colored protective tube wind the color tape matching the color of that tube Parts name Sensor Remarks Length 3m Sensor Spring A For spare Sensor Spring B For spare Thermal constringent tube Including one spare Color tape 9 colors Terminal FILE NO SVM 12061 13 EXPLODED VIEWS AND PARTS LIST 13 1 Indoor Unit Part E Location Part uU Location Part m Description Description No No No No 405 401 43769319 TEMPERATURE SENSOR 43T6V316 PC BOARD ASSY WRS LED 402 43750306 TEMPERATURE SENSOR 406 43T6V323 PC BOARD ASSY 403 43769320 TEMPERATURE SENSOR 407 43T60378 TERMINAL 404 43T62340 CORD CLAMP 408 43T60417 TERMINAL FILE NO SVM 12061 13 2 Indoor Unit Electric Parts Assembly 207 227
24. center head Fig 10 13 13 2 Firmly insert drains cap No gap P Do not apply lubricating oil refrigerant machine oil when 4 inserting the drain cap Application causes deterioration and drain leakage of the plug Insert a hexagon wrench 4 mm Fig 10 13 14 Firmly insert the drain hose and drain cap otherwise water may leak n case of right or left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 13 15 n case of bottom right or bottom left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 13 16 FILE NO SVM 12061 Left hand connection with piping Bend the connecting pipe so that it is laid within 43 mm above the wall surface If the connecting pipe is laid exceeding 43 mm above the wall surface the indoor unit may unstably be set on the wall When bending the connecting pipe make sure to use a spring bender so as not to crush the pipe Bend the connection pipe within a radius of 30 mm To connect the pipe after installation of the unit figure To the forefront of flare gt Outward form of indoor unit gs 30 mm Use polisin polyethylene Q SN core or the like for bending pipe
25. 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 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 S
26. cover Stripping length of the connecting cable Fig 10 3 5 e Use stranded wire only e Wire type More than HO7RN F or 60245 IEC66 1 0 mm or more lt How to connect remote controller for wire operation gt Indoor unit Control wire Remote controller Fig 10 3 6 For indoor unit 1 Open the air inlet grille upward 2 Securely remove two 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 display unit and open the cover as shown on figure 2 and 3 5 Arrange the control wire as detail and specification as shown on figure 4 6 Securely connect the control wire to terminal of display unit board as shown on figure 5 tighten firmly but not over 0 12 N m 0 01 kgf m 7 Set the 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 6 9 Reassembly the indoor unit by reverse process of 1 to 3 Air inlet grille Front panel Display unit Fig 10 3 7 FILE NO
27. damage can result if the unit falls FILE NO SVM 12061 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 in 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 air intake section or the a
28. 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 39 O J S5277G or equivalent G or J type S5277G Diode with rated voltage of 400V White or more is acceptable D Terminal block Tester Normal time Voltage swings between DC15 and 60V Inverter Assembly check 11 7 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operation started Check procedure Select phenomena described below 1 The outdoor unit stops 10 to 20 minutes after operation started and 10 minutes or more are required to restart the unit Gas circulation amount is down Measure gas pressure Thermo operation of compressor Gas shortage Gas leak Pipe clogging 2 If the unit stops once it does not operate until the power will be turned on again To item of Outdoor unit does not operate 3 The outdoor unit stops 10 minutes to 1 hour after operation started and an alarm is displayed Discharge temp error check code 03 1E Sensor temp error check code 02 1C Gas leak P M V is defective Miswiring of connecting wires of indoor outdoor units Clogging of pipe and coming off of TC sensor O Refer to the chart in 11 6 11 6 How to Check Simp
29. material FILE NO SVM 12061 Rear right a ua Rear left mum 5 Bottom left mp s o eg rx EHE Bottom right msp G a bS Right mp O wO 1 Die cutting 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 drains cap Clip drain cap by needle nose plier and pull out a H H H H H Fig 10 3 11 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 take off screw after that twisting and pulling When removing the drain hose be careful of any sharp edges of steel plate The edges can cause 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 Fig 10 3 12 Drain hose How to fix the drains 1 Insert hexagonal wrench 4 mm in a
30. new refrigerant R410A is 1 6 times higher than conventional refrigerant R22 The refrigerating oil is also changed in accordance with change of refrigerant so be careful that water dust and existing refrigerant or refrigerat ing oil are not entered in the refrigerant cycle of the air conditioner using the new refrigerant during installation work or servicing time The next section describes the precautions for air conditioner using the new refrigerant Conforming to contents of the next section together with the general cautions included in this manual perform the correct and safe work 3 1 Safety During Installation Servicing As R410A s pressure is about 1 6 times higher than that of R22 improper installation servicing may cause a serious trouble By using tools and materi als exclusive for R410A it is necessary to carry out installation servicing safely while taking the following precautions into consideration 1 Never use refrigerant other than R410A in an air conditioner which is designed to operate with R410A If other refrigerant than R410A is mixed pressure in the refrigeration cycle becomes abnormally high and it may cause personal injury etc by a rupture 2 Confirm the used refrigerant name and use tools and materials exclusive for the refrigerant R410A The refrigerant name R410A is indicated on the visible place of the outdoor unit of the air condi tioner using R410A as refrigerant To prevent mischa
31. swing operation is perfomed in range 35 from the limit operation the louver starts swinging Upper Limit Upper Limit Position Position Fixed Swing 2 Position range 35 before start TCR swing Fixed Position Lowe Limit Swing Lower Limit before start Position range 35 Position swing 9 operation Operation flow and applicable data etc When pressing 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 in the following figure FILE NO SVM 12061 Description lt Cooling operation gt 1 The control target temperature increase 0 5 C per hour up to 2 C starting from the set temperature when ECONO has been received 2 The indoor fan speed is depend on presetting and can change every speed after setting ECO operation 3 The compressor speed is controlled as shown in the left figure SNE Room temp Set temp DRY max COOL min 6 x 5 COOL min DRY max COOL min 6 x 4 COOL min DRY max COOL min 6 x 3 COOL min DRY max COOL min 6 x 2 COOL min DRY max COOL min 6 x 1 COOL min lt Heating operation gt Compressor speed OHz 30 minutes B zone ato cHz Poa 8 lt Heating operation gt 1 Setting the compressor speed to Max aHz t
32. the serial signal does not reach the board assembly of outdoor control by trouble of the signal system Transferring of operation information Serial signal from outdoor unit controller to indoor unit controller Detection of outdoor temperature and operation revolution control Defrost control in heating operation Temp measurement by outdoor heat exchanger and control for 4 way valve and outdoor fan Contents of operation command signal Serial signal from indoor unit controller to outdoor unit controller The following three types of signals are sent from the indoor unit controller Operation mode set on the remote controller Compressor revolution command signal defined by indoor temperature and set temperature Correction along with variation of room tempera ture and correction of indoor heat exchanger temperature are added Temperature of indoor heat exchanger For these signals Operation mode and 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
33. the soldering iron to voltage between terminals of the C14 CAUTION HIGH VOLTAGE is indicated electrolytic capacitor 500uF 400V or 760uF 400V on P C board and then perform discharging Discharging position Discharging period 10 seconds or more Plug of soldering iron te end fd Hio Inverter cover C board Soldered surface A if FILE NO SVM 12061 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 main taining of air conditioner Table 11 1 1 Operation of air conditioner When power breaker is turned 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 f
34. 0 340V NO supplied between CN10 D YES on remote controller flash normally and is its signal transmitted properly gt Mierocomputer D is defective FILE NO SVM 12061 Operation Check Item Considerable principle cause Measures Item by symptoms mark NO Remote controller is defective Refer to 5 Troubleshooting for remote controller Does fan motor connector between CN10 D short circuit NO YES Replace main P C board Replace fan motor Be sure to disconnect the motor connector CN31 after shut off the power supply or it will be a cause of damage of the motor 2 Power is not turned on though Indoor P C board is replaced lt Confirmation procedure gt Turn on power supply Does OPERATION indicator flash NO YES Is wired correctly to white and black lead wires of terminal block To item of Power supply is not turned on 3 Only the indoor motor fan does not operate lt Primary check gt FILE NO SVM 12061 1 Is it possible to detect the power supply voltage AC220 240V between D and on the terminal block 2 Does the indoor fan motor operate in cooling operation In heating operation the indoor fan motor does not operate for approximately 10 minutes after it is turned on to prevent a cold air from blowing in Turn off power supply
35. 222 Location Location Part T Description Description No No No 214 43721435 STEPPING MOTOR ASSEMBLY 43T39344 BEARING BASE ASSEMBLY 43721428 FAN MOTOR 43T39343 MOTOR BAND LEFT 43722312 BEARING ASSY MOLD 43T39329 MOTOR BAND RIGHT 43770313 HOSE DRAIN 43T09409 HORIZONTAL LOUVER 43720325 CROSS FLOW FAN ASSEMBLY 43779313 CAP DRAIN 43749010 PIPE SHIELD 43144483 REFRIGERANT CYCLE ASSEMBLY 43783305 HOLDER REMOTE CONTROL 43T00598 PANEL SERVICE ASSEMBLY 43760382 MOTOR CORD 43780327 FILTER AIR R 43782310 INSTALLATION PLATE 43780328 FILTER AIR L 43T19333 HOLDER SENSOR 43T09482 GRILLE OF AIR INLET 43T09408 PIPE HOLDER 43T62344 TERMINAL COVER ASSEMBLY 43T03385 BACK BODY ASSEMBLY 43T66317 WIRELESS REMOTE CONTROLLER 100 FILE NO SVM 12061 13 3 Outdoor Unit 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 9 52 mm Location T Location Part ER Description Description No No No 18 43T00468 FRONT CABINET 43758311 REACTOR 43T00459 LEFT CABINET 43720319 PROPELLER FAN 43142327 BASE PLATE ASSEMBLY 43721375 FAN MOTOR 43T00452 UPPER CABINET 43147001 NUT FLANGE 43T19329 FAN GUARD 43797001 NUT 43T00562 PACKED VALVE COVER ASSEMBLY 43749335 RUBBER CUSHION 43141446 COMPRESSOR 43146375 4 WAY VALVE 43143412 CONDENSER ASSEMBLY 43763337 4 WAY VALVE COIL ASSEMBLY
36. 3 The check codes can be confirmed on the remote controller for servicing FILE NO SVM 12061 11 4 Self Diagnosis by Remote Controller Check Code 1 Ifthe lamps are indicated as shown B to E in Table 11 3 1 execute the self diagnosis by the remote controller 2 When the remote controller is set to the service mode the indoor controller diagnoses the operation 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 5Hz during self diagnosis 11 4 1 How to Use Remote Controller in Service Mode NN TOSHIBA Y xp e kT AMAA Ote AIEEE HiPOWER ECO za i move swine EAN Fixe Q CHECK CLOCK FILTER RESET Oe LN P ATO S
37. 3 1 x 169 x2 The part marked with asterisk is packaged with the door unit Others N out ame Owner s manual Installation manual 10 2 3 Installation Servicing Tools Changes in the product and components In the case of an air conditioner using R410A in order to prevent any other refrigerant from being charged accidentally the service port diameter of the outdoor unit control valve 3 way valve has been changed 1 2 UNF 20 threads per inch In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed for copper pipes with nominal dimensions 1 2 and 5 8 New tools for R410A New tools for R410A Applicable to R22 model FILE NO SVM 12061 Changes Gauge manifold x As pressure is high it is impossible to measure by means of conventional gauge In order to prevent any other refrigerant from being charged each port diameter has been changed Charge hose In order to increase pressure resisting strength hose materials and port size have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size Electronic balance for refrigerant charging As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur Torque wrench nominal diam 1 2 5 8 Th
38. 43146358 VALVE PACKED 6 35 DIA 43T63319 HOLDER SENSOR 43746374 VALVE PACKED 12 7DIA H4 43779305 DRAIN NIPPLE 43147331 BONNET 6 35 DIA 43739333 MOTOR BASE CONNECTION PLATE 43147333 BONNET 12 70 DIA 43T63318 HOLDER SENSOR 43T00448 FIXING PLATE VALVE 43T63317 HOLDER SENSOR 43T00451 RIGHT CABINET ASSEMBLY 43T63316 HOLDER SENSOR 43146347 BODY PMV 43T19331 FIN GUARD 43T63329 COIL PMV OO DOD UB WN 101 FILE NO SVM 12061 13 4 P C Board Layout 701 CERE 706 X 1 TE Sensor 56 TS Sensor 26 X 1 TO Sensor 06 TD Sensor 4 705 An d 43T62320 HEATSINK 43760377 TEMPERATURE SENSOR 43T69941 PC BOARD 43750304 SENSOR HEAT EXCHANGER 43T60392 TERMINAL 5P 43T62313 BASE PLATE PC 43T60326 FUSE 102 TOSHIBA CARRIER THAILAND CO LTD
39. 5 Remove right side of the end plate from two fixing rib while sliding slightly the heat exchanger rightward Rib on the right side of the end plate FILE NO SVM 12061 Part name Procedures Remarks Bearing 1 Follow to the procedure in the item 2 Remove the two screws used to secure the bearing base Two 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 Bearing base 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 Reference line Fan motor Reference condition of Fan Motor s assembly FILE NO SVM 12061 Remarks Set screw Two screws Two screws on motor band Motor cover FILE NO SVM 12061 Part name Procedures Remarks Cross flow fan lt Caution at reassembling gt Fan motor D shaft Double point set screw 1 To incorporate the fan motor 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 ke
40. A 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 ELECTRIC PARTS MAY
41. B will show on the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B is memorized Picture FILE NO SVM 12061 NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not display 3 Default setting of Remote Control from factory is A TOSHIBA TOSHIBA mm LILI Fig 10 5 2 10 5 3 Test operation To switch the TEST RUN COOL mode press RESET button for 10 sec The beeper will make a short beep RESET button Fig 10 5 3 10 5 4 Auto restart setting This product is designed so that after a power failure it can restart automatically in the same operating mode as before the power failure The product was shipped with Auto Restart function in the off position Turn it on as required How to set the auto restart 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 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 In case of ON timer or OFF timer are set AUTO RESTART OPERATION dose not activate FILE NO SVM 12061 11 HOW TO DIAGNOSE THE TROUBLE The pulse motor circuits are mounted to both indoor and outdoor units Therefore diagnose troubles according to the trou
42. B 31FZ Red White White Black Black Red 1 63 to 1 750 White Black Under 20 C Outdoor fan motor Model ICF 140 43 4R Measure the resistance value of winding by using the tester Red Position Resistance value Red White 20 to 220 White Black 20 to 220 Black Red 20 to 220 4 way valve coil Model STF Measure the resistance value of winding by using the tester 18 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 Gray White 43 to 490 Gray Orange 43 to 490 Red Yellow 43 to 490 Red Blue 43 to 490 Under 20 C ou on M Outdoor temperature sensor TO discharge temperature sensor TD suction temperature sensor TS outdoor heat exchanger temperature sensor TE Disconnect the connector and measure resistance value with the tester Normal temperature 100 20 7 12 6 10 0 7 9 4 5 FILE NO SVM 12061 11 8 5 Checking Method for Each Part Part name Checking procedure Electrolytic capacitor 1 Turn OFF the power supply breaker For raising pressure smoothing 2 Discharge all three capacitors completely 3 Check that safety valve at the bottom of capacitor is not broken 4 Check that vessel is not swollen or exploded 5 Check that electrolytic liquid does not blow off 6 Check tha
43. 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 INANOTHER 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 AIROR 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 12061 WARNING Installation work must be requested from the supplying retail dealership or professional vendors Self inst
44. Check outdoor temp sensor temp sensor error continues TO 2 Check P C board J Outdoor board 14 Compressor drive output error Compressor error lock missing etc Break down All off Displayed when error is detected When 20 seconds passed after start up position detect circuit error occurred Replace compressor Trouble on P M V 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 Trouble on compressor Trouble on wiring of compressor Missed phase Flashes when trouble is detected on return serial signal and normal status when signal is reset Others including compressor Operation continues 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 Cy 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 Discharge temp All off
45. Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of trouble occurrence Contents of judgment are described below Whether distinction of the current operation status meets to the operation command signal Whether protective circuit operates When no signal is received from the outdoor unit controller it is assumed as a trouble Operation control of outdoor fan motor Operations followed to judgment e P M V control 4 way valve control of serial signal from indoor side FILE NO SVM 12061 9 2 Operation Description 1 OA 9 10 11 12 13 14 15 16 17 18 19 20 Basic ctm 25 1 Operation control eee eee Ms 25 2 Cooling Heating operation tenen eten 26 S AU TO Operation eo eoe cotta acta seq easet NIC 26 4 DRY Operation RP TE 26 Indoor fan m t r GONPOL iui ret AEE AE R o PR D RP Rn 27 Outdoor Tan motor contr l e eO RR ERROR Der RD nn pex E CERE ER 29 Capacity Control cad Rt eet POR a ed Era tb 30 Current release control eee ern PER ED ue c etta dee 30 Release protective control by temperature of indoor heat exchanger 31 Defrost c
46. J NS iecro3 15 Iu AAA tecros 1 sv H Alphanumeric characters are used for the check codes 5 is 5 B 156 is A h is B is C d is D Eco eous A SLEEP ON OFF i Ie v v ser 1 Press CHECK button with a tip of pencil to set the remote controller to the service mode fill 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 OI to 33 as shown in Table 11 4 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 2 digits alohanumeric will be indicated on the display All indicators on the indoor unit will flash 5 times per 1 sec Press CLR button After service finish for clear service code in memory 7F is indicated on the display of the remote control Press 0 button to release the service mode
47. Low Fan speed setup MANUAL The fan speed broadly varies due to position of the louver etc The described value indicates one AUTO Indication Fan speed under condition of inclining LL We dh ads en setting the fan speed L L a L M 2 L M M or H on the remote M W9 controller the operation is performed with the constant M H 2 speed shown in Fig 1 WG 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 M WB 8 Fan speed 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 Indoor fan air flow rate rpm m3 h 735 735 717 686 594 557 514 421 409 372 360 323 280 187 126 FILE NO SVM 12061 kem Operation flow and applicable data etc Description 2 Indoor fan In 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 MANUAL revolution of the fan motor is controlled to the fan speed level shown in Fig 5 according to the set Indication Fan spee
48. Q 1015 Operation time Minute 27 40 The minimum value of Te sensor 10 to 15 minutes after start of operation is stored in memory as TeO Table 1 When Te0 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 operation starts FILE NO SVM 12061 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 or lower stop the indoor fan Finish of defrost operation gt Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 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 afte
49. RESET button has the function of filter reset betton FILE NO SVM 12061 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 Press RESET button for more than three seconds Less than 10 seconds rr a HiPOWER FILTER FAN ONLY TIMER OPERATION RESET button Press RESET button for more than three seconds Less than 10 seconds lt HiPOWER FILTER FAN ONLY TIMER OPERATION RESET button The unit is on standby 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 press RESET button once more or use the remote controller to turn it off The unit is in operation The green indicator is on i The unit stops operating The green indicator is turned off After approx three seconds The unit beeps three times If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on 9 3 3 Power Failur
50. Signal receiving Indoor unit control Command signal generating function of Indoor unit control indoor unit operation Indoor unit control Calculation function temperature calculation Indoor fan motor Activation compensation function of indoor fan Louver motor Operation command Cold draft preventive function Timer function Serial signal send receive Indoor heat exchanger release control _ l Outdoor unit Serial signal send receive Outdoor unit control Inverter Frequency control of inverter output Waveform composite function Calculation function Compressor Temperature calculation Outdoor fan motor AD conversion function 4 way valve Quick heating function Pulse Modulating valve Delay function of compressor reactivation P M V Current release function GTr over current preventive function Defrost operation function FILE NO SVM 12061 Item Operation flow and applicable data etc 1 Basic operation 2 Cooling Heating operation The operations are performed in the following parts by controls according to cooling 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 content
51. THE MAIN PARTS WARNING Since high voltages pass through the electrical parts turn off the power without fail before proceeding with the repairs Electric shocks may occur if the power plug is not disconnected After the repairs have been completed after the front panel and cabinet have been installed perform a test run and check for smoking unusual sounds and other abnormalities 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 to
52. 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 1 After servicing press the button to return to the normal mode 2 After servicing by the check code turn off breaker of the power supply and turn on breaker of the power supply again so that memory in the microcomputer returns the initial status However the check codes are not deleted even if the power supply is turned off because they are stored in the fixed memory FILE NO SVM 12061 3 After servicing press CLR button under check mode status and then send the check code 7F to the indoor unit The error code stored in memory is cleared Block distinction Table 11 4 1 Operation of diagnosis function Check Block Indoor PC board etc Cause of operation Short circuit or discon nection of the room temperature sensor TA sensor Air conditioner status Operation continues Remarks Displayed when error is detected Judgment and action Check the room temp sensor When the room temp sensor is normal check board Being out of place disconnection short circuit or migration of heat exchanger sensor TC sensor Operation continues Displayed when error is detected Check heat exchanger sensor When heat exchanger sensor is normal check board Lock of indoor fan or trouble on the indoor fan c
53. VM 12061 d Flare Processing Make certain that a clamp bar and copper pipe have been cleaned By means of the clamp bar perform the flare processing correctly Use either a flare tool for R410A or conven tional flare tool Flare processing dimensions differ according to the type of flare tool When using a con ventional flare tool be sure to secure dimen sion 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 Outer diameter mm Thickness mm Nominal diameter Flare tool for R410A Conventional flare tool 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 Outer diameter mm Thickness mm Flare tool for R22 clutch type Clutch type Wing nut type Nominal diameter Conventional flare tool 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 0 to 1 5 0 5 to 1 0 1 5 to 2 0 0 5 to 1 0 1 5 to 2 0 Table 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 12061 Table 3 2 6 Flare and flare nut dimensions for R22 Nominal Outer diameter Thickness Dimension mm
54. actory the remote controller 2 Remote Control A has not display selection is set to on all the indoor 3 Default setting of Remote Control from units There is no A setting display factory is A Description When operating one indoor unit in a B Display 00 Display 15 QUIET mode Operation flow and applicable data etc When the QUIET button is pressed the fan of the indoor unit will be restricted the revolving speed at speed L until the QUIET button is pressed once again cancel Quiet mode FILE NO SVM 12061 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 mode Cooling mode e The preset temperature will increase as show on ECO operation Item No 9 Press the COMFORT SLEEP button to choose the operating hours Repeat pressing to select the hours 1hr 3hr 5hr or 9hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode Heating mode e The preset temperature will drop down as show on ECO operation Item No 9 Press the COMFORT SLEEP butto
55. allation 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 only approved accessor
56. ating 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 How to Diagnose Trouble in Outdoor Unit 11 7 1 Summarized Inner Diagnosis of Inverter Assembly Diagnosis Process flowchart Remove connector of compressor Check 25A fuse Part No FO1 Replace fuse Check electrolytic capacitor diode block 0 01 etc Check terminal voltage of electrolytic capacitor Check electrolytic capacitor diode DBO1 etc Does outdoor fan rotate Remove connector CN300 of outdoor fan motor and using a tester check resistance value between every phases at motor side Replace outdoor fan motor Ta Preparation Operation Measure ment Check Stop Check Measure ment ble 11 7 1 Contents Turn OFF the power supply breaker and remove 3P connector which connects inverter and compressor Check whether 25A fuse on the control board assembly is blown or not F01 Turn on the power breaker and operate the air condi tioner in COOL mode by time shortening Measure terminal voltage of the electrolytic capacity 500uF 400WV x 760uF 400WV x After operation turn off the power breaker after 2 minute
57. ble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units Table 11 1 No Troubleshooting Procedure No Troubleshooting Procedure First Confirmation How to Check Simply the Main Parts Primary Judgment Troubleshooting Judgment by Flashing LED of Indoor Unit How to Diagnose Trouble in Outdoor Unit Self Diagnosis by Remote Controller How to Check Simply the Main Parts Judgment of Trouble by Every Symptom How to Simply Judge Whether Outdoor Fan Motor is Good or Bad Precautions when handling the new inverter 3DV Inverter Ay CAUTION HIGH VOLTAGEN 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 SDV 3 shunt Discrete Vector control The control circuitry has an uninsulated construction Compressor 1 IGBT x 6 i 4 s _ R E Fan motor Amplifier FET 6 1 Amplifier Shared potential Fig 11 1 FILE NO 12061 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 wi
58. cally select cooling heating or fan only operation 1 Press MODE Select A 2 Press 8 MODE Set the desired temperature COOLING HEATING FAN ONLY OPERATION To automatically select cooling heating or fan only operation 1 Press MODE Select Cool Xx Heat gt or Fan only 2 Press 8 MODE Set the desired temperature Cooling Min 17 C Heating Max 30 C Fan Only No temperature indication 3 Press FAN Select AUTO LOW LOW MED MED aag or HIGH aanl FILE NO SVM 12061 9 4 2 Display of Remote Control All indications except for the clock time indicator are displayed by pressing the button Indicate Auto will be appear with Dry operation 0 Dry only HiPOWER 10 11 12 13 1 Transmission mark 5 TIMER and clock time indicator This transmission mark A indicates when the The time setting for timer operation or the clock remote controller transmits signals to the indoor time is indicated unit The current time is always indicated except 2 Mode indicator during TIMER operation Indicates the current operation mode 6 Hi POWER indicator A Auto t Cool Dry X Heat Fan only Indicates when the Hi POWER operation starts Press the Hi POWER button to start and press it 3 Temperature indicator again to stop the operation oa setting 7 PRESET indicator Flashes for 3 seconds when the PRESET button is pressed during operation 4
59. 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 It indicates 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 mm2 or more Shall be installed in accordance with national wiring regulations CAUTION New refrigerant air conditioner installation e THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410
60. cted 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 Space for pipes UL Fig 10 3 22 10 4 Outdoor Unit 10 4 1 Installation place A place which provides the spaces around the outdoor unit as shown in the left diagram A place which can bear the weight of the outdoor unit and does not allow an increase in noise level S SA 90 and vibration e 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 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 The allowable pipe length is up to 20 m If the length is over 15 m add 20 g of refrigerant for every additional meter of the pipe length for all models e The allowable height of outdoor unit installation site is up to 10 m A place where the drain water does not raise any problem A place free of a leakage of combustible gases FILE NO SVM 12061 10 4 2 Refrigerant piping connection lt Flaring gt 1 Cut the pipe with a pipe cutter Obliquity ye X Warp S x K gt a Fig 10 4 2 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 Imperia
61. d 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 ture of indoor heat exchanger Indoor heat exchanger temperature Indoor heat exchanger temperature Operation flow and applicable data etc In 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 12061 Description 1 When temperature of the indoor heat exchanger drops below 5 C the compressor speed is reduced P zone 2 When temperature of the indoor heat exchanger rises in the range from 6 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
62. d temperature and room temperature L ws 3 Min air flow rate is controlled by temperature of the indoor heat L a L M 2 exchanger Tc as shown in Fig 4 M WA 4 Cold draft prevention the fan M H 2 speed is controlled by temperature WE of the indoor heat exchanger Tc as shown in Fig 6 5 In order to prevent Cold draft when Min air flow rate control compressor step during heating operation Then louver will move to upper position and fan speed will reduce or off Limited to Min WD tap No limit Fan speed TC 42 a 10 x WD W8 W8 a In up operation 1 in down operation 0 Basic fan control an speed AUTO Cold draft preventive control Line approximate H and SUL with Tc Stop Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting 1 Fan speed M L x 1 4 L MANUAL tet stab o 12 E o limitation while Tan spee mode IS In Stability 2 ed z i oe A When Tsc gt 24 Ais 24 and when Tsc lt 24 Ais Tsc A UT Tsc Set value Calculated with linear approximation from M and L 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 and room temp is higher than set temp 3 C start and room temp is 3 C or lower than set temp Wh
63. e 65 mm at a slight downward slant to the outdoor side NOTE e When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately lt Mounting the installation plate gt Anchor bolt holes LX 2 m or more from floor Hook Pipe hole Thread Pipe hole i Mounting screw Indoor unit Weight D 9 Fig 10 3 3 lt When the installation plate is directly mounted 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 To mount the installation plate on a concrete wall with anchor bolts utilize the anchor bolt holes as illustrated in the above figure Install the installation plate horizontally in the wall When installing the installation plate with a mounting screw do not use the anchor bolt hole Otherwise the unit may fall down and result in personal injury and property damage N O Installation plate lt Keep horizontal direction gt me L Bolo N O X Projection 5 mm dia hole 15 mm or less Z 2 Mounting screw _ 24 x 252 Z N Clip anchor local parts Fig 10 3 4 Failure to firmly install the unit may result in personal injury and property damage if the unit falls
64. e During Timer Operation When the unit is turned off because of power failure during timer operation the timer operation is can celled In that case set the timer operation again NOTE The 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 12061 DRY OPERATION COOLING ONLY For dehumidification a moderate cooling performance is controlled automatically 1 Press MODE Select Dry 2 Press MODE Set the desired temperature 5 Hi POWER OPERATION To automatically control room temperature and airflow for faster cooling or heating operation except in DRY and FAN ONLY mode Press HI POWER Start and stop the operation ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press ECO Start and stop the operation Note Cooling operation the set temperature will increase automatically 0 5 degree hour for 4 hours maximum 2 degrees increase For heating operation the set temperature will decrease 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 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 1 Press Set the desi
65. e Vor DO between and of motor connector RR Check this condition within 15 seconds after starting unit rotate cross flow fan by hand properly Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby At this time is it possible to detect DC 1V or more between 5 3 and of motor connector CN31 YES Peplace indoor fan motor Peplace main P C board Peplace bearing FILE NO SVM 12061 4 Indoor fan motor automatically starts to rotate by turning on power supply For DC fan motor lt Cause gt The IC is built in the indoor fan motor Therefore the board is also mounted to inside of the motor If the P C board is soldered imperfectly or the IC is defective the fan motor may automatically rotate by turning on power supply lt Inspection procedure gt 1 Remove the front panel Remove 2 screws 2 Remove the cover of the fan motor lead wires 3 Check DC voltage with CN31 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating 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 Measure voltage between GND BLACK and 5 V line YELLOW of motor connector CN31 while indoor fan motor is r
66. e a gas Silver brazing filler leakage Therefore use any other type of Silver brazing filler is an alloy mainly composed brazing filler at a hot spring resort etc and of silver and copper It is used to join iron copper coat the surface with a paint or copper alloy and is relatively expensive though 2 When performing brazing again at time of it excels in solderability servicing use the same type of brazing filler Phosphor bronze brazing filler is generally used to join copper or copper alloy 3 5 2 Flux Low temperature brazing filler 1 Reason why flux is necessary Low temperature brazing filler is generally called By removing the oxide film and any foreign solder and is an alloy of tin and lead Since it is matter on the metal surface it assists the flow weak in adhesive strength do not use it for of brazing filler refrigerant pipes In the brazing process it prevents the metal surface from being oxidized By reducing the brazing filler s surface tension the brazing filler adheres better to the treated metal 43 Characteristics required for flux Activated temperature of flux coincides with the brazing temperature Due to a wide effective temperature range flux is hard to carbonize It is easy to remove slag after brazing The corrosive action to the treated metal and brazing filler is minimum It excels in coating performance and is harm less to the human body As the flux wor
67. e correction value of Hz signal which determines the compressor speed is set up 3 The rotating position and speed of the motor are detected by the electromotive force occurred on the motor winding with operation of the compressor 4 According to the difference resulted from comparison of the correction value of Hz signal with the present operation Hz the inverter output and the commuta tion timing are varied 5 Change the compressor motor speed by outputting power to the compressor The contents of control operation are same in cooling operation and heating operation 5 Current release This function prevents troubles on the electronic parts of the control Outdoor unit inverter main circuit control current Operating current lt Setup value r 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 High Reduce compressor speed Current decrease Capacity control continues Cooling current Heating current release value release value RAS 16N3AV2 E RAS 16N3AV2 E 45 6 07 8 77A HEN 44 C 7 12A Outdoor temp 39 8 47A mura 8 77A 8 77A 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According to the detecte
68. e front panel to be opened e The indoor unit shall be installed as top of the indoor unit comes to at least 2 m height Also it must be avoided to put anything on the top of the indoor unit e Direct sunlight to 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 lt Remote control gt e A place where there are no obstacles such as curtain that may block the signal from the indoor unit e Do not install the remote control 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 Side view Top view 2 Indoor unit ae Remote control Indoor unit 5 Reception Reception range range Remote control Fig 10 3 1 FILE NO SVM 12061 10 3 2 Cutting a hole and mounting installation plate lt Cutting a hole gt When installing the refrigerant pipes from the rear The center of the pipe hole is above he arow 100 mm Fig 10 3 2 1 After determining the pipe hole position on the mounting plate gt drill the pipe hol
69. e size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 Flare tool clutch type By increasing the clamp bar s receiving hole strength of spring in the tool has been improved Gauge for projection adjustment Used when flare is made by using conventional flare tool Vacuum pump adapter Connected to conventional vacuum pump It is necessary to use an adapter to prevent vacuum pump oil from flowing back to the charge hose The charge hose connecting part has two ports one for conventional refrigerant 7 16 UNF 20 threads per inch and one for R410A If the vacuum pump oil mineral mixes with R410A a sludge may occur and damage the equipment Gas leakage detector Exclusive for 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 place which provides the spaces around the indoor unit as shown in the diagram in part 8 2 A place where there is no obstacle near the air inlet and outlet A place that allows easy installation of the piping to the outdoor unit e A place which allows th
70. ective circuit operates Short time error is detected operations stop immediately Replace P C board Position detect circuit error or short circuit between windings of compressor All off Displayed when error is detected 1 Even if connecting lead wire of compressor is removed position detect circuit error occurred Replace board Measure resistance between wires of compressor and perform short circuit Replace compressor _ Current detect circuit error All off Displayed when error is detected Even if trying operation again all operations stop immediately Replace P C board mn Being out of place disconnection or short circuit of the outdoor heat exchanger sensor TE or suction temp sensor Ts All off Displayed when error is detected 1 Check sensors TE TS 2 Check P C board Disconnection or short circuit of discharge All off Displayed when error is detected 1 Check discharge temp sensor TD 2 Check P C board yi temp sensor Outdoor fan drive All off system error Position detect error over current protective operation of outdoor fan drive system fan lock etc Replace P C board or fan motor Displayed when error is detected y mmo Not displayed Outdoor heat exchanger Operation 1
71. ective matched numbers on the terminal block of indoor and outdoor unit 3 Insulate the unused cords conductors from any water coming in the outdoor unit Proceed them so that they do not touch any electrical or metal parts lt Stripping length of the connecting cable Terminal QD d 3 block 1 2 3 L N tOj JS Connecting cable Power cord 1234 Connecting cable Fig 10 4 9 Model RAS B16N3KV2 E 50 Hz 220 240V Single phase 60 Hz 220V Single phase Earth line Power cord Power source Maximum running current 11 0A 14 0A More than HO7RN F or 60245 IEC66 1 5 mm or more More than HO7RN F or 60245 IEC66 1 0 mm or more Circuit breaker Power cord Connecting cable 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 Prepare the power supply for exclusive use with the air conditioner This product can be connected to the ma
72. ed Max 100g FILE NO SVM 12061 7 2 Operation Data lt Cooling gt Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition C RAS pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa 1 2 rps 279 mwwoxvet 08 010 111019 401042 lt Heating gt Tempeature Model name Standard Heat exchanger Indoor Outdoor Compressor condition C RAS pressure pipe temp fan mode fan mode revolution Indoor Outdoor P MPa T1 C 2 rps NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m 20 FILE NO SVM 12061 8 CONTROL BLOCK DIAGRAM 8 1 Indoor Unit M C U Indoor Unit Control Unit Cold draft preventing Function Heat Exchanger Sensor Tc Room Temperature Sensor Ta L Mot 3 minute Delay at Restart for Compressor Drive Control 1 1 1 Infrared Rays Signal Receiver deon Fan Motor Starting Control _ gt Indoor Fan n s a n Processing Motor Control am Initializing Circuit Temperature Processing Indoor Timer Clock Frequency Oscillator Circuit Serial Signal Communication Clean Function Power Supply Circuit Converter circuit ZN Noise Filter Serial Signal Transmitter Receiver
73. em they must be pressed in the direction of the arrow while pulling them out Z P C board base P C board Part name Side cabinet 1 Side cabinet right 1 Perform step 1 in and all the steps in Side cabinet left Procedure 2 Remove the fixing screw ST1T 4 10L 4 pcs used for securing the side cabinet to the bottom plate and valve fixing panel 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 10L 2 pcs used for securing the side cabinet to the bottom plate and heat exchanger Detail A Detail B FILE NO SVM 12061 Remarks Hook the claw noto Pa the bottom plate The back body section hooked onto the bottom plate here Detail C Fan motor 1 Perform work of item 1 of D 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 Flange nut Part name Compressor Procedure 1 Perform work of ite
74. en 25 minutes or more passed after operation start FAN Manual Room temp lt Set temp 4 C Room temp gt Set temp 3 5 FILE NO SVM 12061 Operation flow and applicable data etc Description 3 Outdoor fan The blowing air volume at the outdoor unit side is controlled 1 The operation command sent motor control Receiving the operation command from the controller of from the remote controller is indoor unit the controller of outdoor unit controls fan speed processed by the indoor unit For the fan motor a motor with non stage variable controller and transferred to the speed system is used However it is limited to 8 stages for controller of the outdoor unit reasons of controlling 2 When strong wind blows at outdoor side the operation of air conditioner continues with the fan motor stopped 3 Whether the fan is locked or not is detected and the operation of air conditioner stops and an Indoor unit controller alarm is displayed if the fan is locked 4 According to each operation 1 Outdoor unit mode by the conditions of operation command outdoor temperature To and Outdoor fan control compressor revolution the speed of the outdoor fan shown in the 2 Fan speed gt 400 YES OFF status of when the motor stopped fan motor continues table is selected NO Air conditioner ON Remote controller Fan motor ON YES Air conditioner Alarm NO 4 Motor operates as sho
75. eping 5 0 mm from closed wall of the main unit Holding the set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw 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 hooking claws of the motor band right into the main body position the fan motor insert it and then secure the motor band right using the two fixing screws 12 2 Microcomputer Part name Common procedure Procedure 1 Turn the power supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base FILE NO SVM 12061 Remarks Replace terminal block microcomputer ass y and the board ass y 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 3 pcs After removing screw remove the valve cover
76. er button B EE Ed Setup button SET 45 EE 4 Clear button CLR 4 Eer 2 Memory and Preset button PRESET Dt le Ev Dv 893 10 One Touch button ONE TOUCH ee a9 rm QD High power button Hi POWER 19 I Qe 18 Economy button ECO acm Ui Quiet button QUIET Ne Comfort sleep button COMFORT SLEEP Filter reset button FILTER Set clock button CLOCK Check button CHECK Reset button RESET 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 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 ONE TOUCH Start the operaton AUTOMATIC OPERATION To automati
77. erates continuously in the above condition 1 Check whether or not the compressor operates 2 Check whether or not the OPERATION indicator flashes The temperature of the indoor heat exchanger is extremely low The connection of the heat exchanger sensor is loose The connector is disconnected CN62 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective If the above condition No 5 still continues start the unit in the following condition Set the operation mode to HEAT Set the preset temperature much higher than room tem perature Check whether or not the compressor operates Check whether or not the OPERATION indicator flashes The temperature of the indoor heat exchanger is extremely high The connection of the heat exchanger sensor short circuited CN62 The heat exchanger sensor and the P C board are defective Refer to Table 11 4 1 The main P C board is defective Connect the motor connector to the motor and turn on the power supply Start the unit the following condition Set the fan speed level to HIGH The unit compressor operates continuously in the above condition in No 5 Check it is impossible to detect the voltage DC 15V between 3 and 4 of the motor terminals The motor does not operate or the fan motor does not rotate with high speed But it is possib
78. exceeded 117 C Displayed when Check dischage temp sensor error is detected TD Gas leakage Trouble on P M V Check power voltage 220 230 240 V 10 Overload operation of refrigera tion cycle Check installation condition Short circuit of outdoor diffuser Break down of All off compressor Displayed when error is detected Check 4 way valve operation 4 way valve inverse error Operation TC sensor value continues lowered during heating operation 11 5 Judgment of Trouble by Every Symptom 11 5 1 Indoor Unit Including Remote Controller 1 Power is not turned on Does not operate entirely lt Primary check gt 1 Is the supply voltage normal Is the normal voltage provided to the outdoor unit Is the crossover cable connected properly Is the fuse FO1 blown 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 power supply by pushing cy button on remote controller YES Unit operates normally YES 2 3 4 NO Does transmission YES Is fuse FO1 of indoor control board blown NO Parts R01 R02 DBO1 C01 C03 IC11 and T101 are defective Is voltage DC12V or 5V indicated on rear of indoor control board normal Parts of a power supply circuit defective NO YES Is DC31
79. he temperature zone in which the operation can be performed with Max cHz is gradually widened after 30 minutes passed when starting ECO operation 2 The indoor fan speed is depend on presetting and can change every speed after setting ECO operation FILE NO SVM 12061 Operation flow and applicable data etc Description 10 Temporary Pressing RESET button starts the temporary opera operation tion of AUTO operation When keeping RESET button pressed for 10 seconds or more the temporary COOL operation is performed Filter lamp ON YES Press RESET button NO Did you press RESET button NO for 3 seconds or more YES Did you press RESET button for 10 seconds or more NO Switch to AUTO RESTART control Temporary AUTO operation YES Temporary COOL Operation 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 When pressing RESET button the temporary AUTO operation starts 2 When keeping RESET button pressed for 3 seconds or more Pi Pi Pi sound is heard and AUTO RESTART control is changed
80. ies 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 pump down operations e
81. inals 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 101 4pcs fixing the terminal part of inverter box to the main body 5 Remove the front cabinet by performing step 1in and remove the fixing screws ST1T 4 x 10L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires 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 12061 Remarks Inverter cover P C board Soldered surface Discharging position Discharging period 10 seconds or more soldering iron 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
82. ins 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 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 water 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 lt Remote control A B selection gt To separate using of remote control for each indoor unit in case of 2 air conditioners are installed nearly lt Remote Control B Setup gt 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
83. ircuit All off Displayed when error is detected Check the motor When the motor is normal check PC board Not displayed Trouble on other indoor PC boards Operation continues Displayed when error is detected Replace P C board Connecting cable and serial signal Return serial signal is not sent to indoor side from operation started 1 Defective wiring of connecting cable 2 Operation of compres sor thermo Gas shortage Gas leak Operation continues Flashes when trouble is detected on Return serial signal and normal status when signal is reset 1 When the outdoor unit never operate 1 Check connecting cable and correct if defective wiring 2 Check 25A fuse of inverter board 3 Check 3 15A of inverter board To display Other block during operation check compressor thermo operation and supply gas check gas leak also Unit operates normally during check If return serial signal does not stop between indoor terminal 2 and 3 replace inverter P C board If signal stops between indoor terminal 2 and 3 replace indoor PC board FILE NO SVM 12061 Block distinction Operation of diagnosis function Air Judgment and action conditioner Remarks 9 status Check code Block Cause of operation Outdoor Inverter over current All off Displayed when Even if trying operation again all board prot
84. it Drain nipple Water proof rubber cap N The specification may be subject to change without notice for purpose of improvement 2 3 Operation Characteristic Curve lt Cooling gt Current A DB 35 C Air Flow High Pipe Length 5m Voltage 230V 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor Speed rps 2 4 Capacity Variation Ration According to Temperature Capacity ratio 105 100 95 90 85 80 75 70 65 60 55 50 Capacity ratio 100 is 4 5 kW FILE NO SVM 12061 lt Heating gt 9 8 J 6 qd 5 E 5 4 3 Conditions 2 Indoor DB 20 Outdoor DB 7 C WB 6 C Air Flow High 1 Pipe Length 5m Voltage 230V 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor Speed rps 120 Capacity ratio 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C 20 Capacity ratio 100 is 5 5 kW Conditions Indoor DB 20 C Outdoor DB 7 C WB 6 C Air Flow High Pipe Length 5m Voltage 230V 10 5 0 5 10 Outdoor temp C FILE NO SVM 12061 3 REFRIGERANT R410A This air conditioner adopts the new refrigerant R410A which does not damage the ozone layer The working pressure of the
85. ks in a complicated manner as described above it is necessary to select an adequate type of flux according to the type and shape of treated metal type of brazing filler and brazing method etc Types of flux 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 capability due to the addition of compounds such as potassium fluoride potassium chloride and sodium fluoride to the borax boric acid compound FILE NO SVM 12061 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe interior during brazing it is effective to proceed with brazing while letting dry Nitrogen gas N2 flow Never use gas other than Nitrogen gas 1 Brazing method to prevent oxidation 1 Attach a reducing valve and a flow meter to the Nitrogen gas cylinder 2 Use 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
86. l 1 0 to 1 5 1 0 to 1 5 1 0 to 1 5 26 35 29 52 2 12 70 the air discharging 2 When the outdoor unit is installed in a place on a high story of a building secure shield the admission of wind trouble Do not install the unit in such places e A place full of machine oil e saline place such as the coast e A place full of sulfide gas to be generated as from audio equipment welders and medical equipment 3 1 Install the outdoor unit without anything blocking exposed always to a strong wind like a coast or the normal fan operation using a duct or a wind 3 Specially in windy area install the unit to prevent 4 Installation in the following places may result in A place where high frequency waves are likely s gt Die Fig 10 4 3 Imperial wing nut type R410A 1 5 to 2 0 1 5 to 2 0 2 0 to 2 5 Outer dia of copper pipe 6 35 29 52 12 70 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 7 Fig 10 4 1 Half union union CP GEen nut side jon m threaded side Use a torque wrench to secure Use a wrench to secure Fig 10 4 4 Do not apply excess torque Otherwise the nut may crack depending on
87. lashing stops Flashes also in power failure Compressor may not operate even if the room temperature is within range of compressor ON The compressor does not operate while compressor restart delay timer 3 minutes timer operates The same phenomenon is found after power source has been turned on because 3 minutes timer operates In Dry and ECO mode FAN air flow display does not change even though FAN air flow select button is operated The air flow indication is fixed to AUTO Increasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after For smooth operation of the compressor the compres sor motor speed is restricted to Max 41 rps for 2 min utes and Max 91 rps for 2 minutes to 3 minutes respec tively after the operation has started In AUTO mode the operation mode is changed After selecting Cool or Heat mode select an operation 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 high temp release control Release protective operation by temp up of the indoor heat exchanger or current release control FILE NO SVM 12061 11 2 Primary Judgment To diagnose the trouble
88. lat head out a drainage test wood screw Wireless remote control oe oc A H js 4 Saddle Extension drain hose Not available provided by installer Flat head wood screw 600 mm or more P Batteries 4 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 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 a For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation P Do not allow the drain hose to get slack Cut the piping hole sloped slightly Make sure to run the drain hose sloped downward ke D auxiliary piping can be connected to the left rear left rear right right bottom right or bottom left Right Rear right Bottom Rear right left Bottom left J Insulate the refrigerant pipes separately gt with insulation not together 6 mm thick heat resisting polyethylene foam amp 4 Q Batteries
89. le the Main Parts lt Check procedure gt Discharge temp error gas leakage Check code 03 1E Gas leakage disconnection of TS TC sensors Check code 02 1C lt Valve drive check Is coil of the pulse motor valve NO FILE NO SVM 12061 P M V correctly set YES Set it correctly lt Is connecter of coil connected to inverter YES Set it correctly lt Is positioning sound of valve sound hitting to stopper heard from valve when the air conditioner starts the operation after turning off power of the air conditioner once Replace coil valve NO temp sensors of indoor outdoor units correctly set to the holder NOTE 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 YES Set it correctly et Gas amount check and valve clogging check Remove TC sensor connector from the P C board in indoor unit Remove connector from the board Operate the air conditioner in COOL mode by TEMP button sound is heard if keeping pushed for 10 seconds The operation enters temporary operation mode which fixes opening degree of compressor speed Check condensation at outlet of PMV and then check oper
90. le to receive the signal from the remote controller The motor rotates but vibrates strongly The indoor fan motor is defective Protected operation of P C board The PC board is defective The connection of the motor connector is loose FILE NO SVM 12061 11 8 2 P C Board Layout Ee 15A 250V 2 CN31 5045 01 COMPONENT SIDE C401 C111 GND 8 SWRT 12V 5V 1 Sensor characteristic table TD Discharge temp sensor TO Outdoor temp sensor TE Outdoor heat exchanger temp sensor ma i E TC TO TE TS TS Suction temp sensor Resistance value 0 10 20 30 40 50 Temperature 11 8 3 Indoor Unit Other Parts Part name Room temp TA sensor Heat exchanger TC sensor FILE NO SVM 12061 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 tester Under normal temp 25 C Position Resistance value 2500 7 Indoor fan motor 11 8 4 Outdoor Unit Part name Compressor Model DA131S1B 31FZ Refer to 11 5 1 3 and 4 Checking procedure Measure the value of each winding by using the tester Position Resistance value DA131S1
91. luminum 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 12061 2 SPECIFICATIONS 2 1 Specification Unit model RAS B16N3KV2 E RAS 16N3AV2 E Cooling capacity Cooling capacity range Heating capacity Heating capacity range Electric Operation mode characteristic 0 24 0 22 Running current 6 86 6 28 Power consumption 1485 Power factor e 98 Starting current COP Cooling Heating i Cooling Heating dB A 40 40 Low a Dimension i mm 30 Fan motor output Air flow rate Cooling Heating min 11 5 12 3 Outdoor unit Unit model RAS 16N3AV2 E Dimension i mm 550 Net weicht B Compressor Twin rotary type with DC inverter variable speed control Piping Gas side m 12 7 Wiring connection uka a den Cooling Heating Indoor unit Installation plate Wireless remote controller 1 Remote controler TOSHIBA IAQ Filter ong ype Pan head wood screw 2 23 1 x 16L Outdoor un
92. m 1 of D and 2 Extract refrigerant gas 3 Remove the partition board ST1T 4 x 10L 3 pes 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 Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 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 10L 1 pc 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fixing the compres sor to the bottom plate lf Uu Zf ci 4 D Lect c 21 1 w ah Ny p w i E Partition en Compressor FILE NO SVM 12061 Remarks Reactor 1 Perform work of item 1 of and 2 Remove screws fixing the reactors ST1T 4 x 10L 2 pcs 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 pull it upward 2 Attachment 1 Insert a valve coil to value body by push it downward And confirm to fix it surely FILE NO SVM 12061 Remarks Fan guard 1 Detachment 1 Perform work of item 1 of 2 Remove the front cabinet and put it down
93. n Improper repair s may result in water leakage electric shock and fire etc 3 2 Refrigerant Piping Installation 3 2 1 Piping Materials and Joints Used For the refrigerant piping installation copper pipes and joints are mainly used Copper pipes and joints suitable for the refrigerant must be chosen and installed Furthermore it is necessary to use clean copper pipes and joints whose interior surfaces are less affected by contaminants 1 Copper Pipes It is necessary to use seamless copper pipes which are made of either copper or copper alloy and it is desirable that the amount of residual oil is less than 40 mg 10 m Do not use copper pipes having a collapsed deformed or discolored portion especially on the interior surface Otherwise the expansion valve or capillary tube may become blocked with contaminants As an air conditioner using R410A incurs pres sure higher than when using R22 it is necessary to choose adequate materials Thicknesses of copper pipes used with R410A are as shown in Table 3 2 1 Never use copper pipes thinner than 0 8 mm even when it is available on the market FILE NO SVM 12061 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
94. n proceed as follows The power supply to the unit must be on the function will not set if the power is off Press the RESET button located in the center of the front panel continuously for three seconds The unit receives the signal and beeps three times The unit then restarts operating automatically in the event of power supply being accidentally shut down When the unit is standby Not operating Operation Motions Press RESET button for more than The unit is on standby three seconds Less than 10 seconds The unit starts to operate The green indicator is on After approx three seconds The unit beeps three times The green indicator flashes Hi POWER FILTER FAN ONLY TIMER OPERATION and continues to operate for 5 seconds If the unit is not required to operate at this time press RESET button once more or use the remote controller to turn it off RESET button Press 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 L After approx three seconds The unit beeps three times The green indicator flashes for 5 seconds If the unit is required to operate at this time press RESET button once more or use the remote controller to turn it on RESET button While the filter check indicator is on the
95. n to choose the operating hours Repeat pressing to setect thehours 1hr 3hr 5hr or 9 hr If the COMFORT SLEEP button is pressed again means cancel comfort sleep mode The principles of comfort sleep mode are e Quietness for more comfortable When room temperature reach setting temperature Save energy by changing room temperature automatically 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 One Touch Comfort One touch comfort is the fully automated operation that is set according to the preferable condition in a region Fan Operation AUTO AUTO L 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 39 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
96. ng status information of the outdoor unit to control the indoor unit controller As the compressor adopts four pole brushless DC motor the frequency of the supply power from inverter to compressor is two times cycles of the actual number of revolution 1 Role of indoor unit controller The indoor unit controller judges the operation commands from the remote controller and assumes the following functions Judgment of suction air temperature of the indoor heat exchanger by using the indoor temp sensor TA sensor Judgment of the indoor heat exchanger tempera ture by using heat exchanger sensor TC sensor Prevent freezing control etc Louver motor control Indoor fan motor operation control LED Light Emitting Diode display control Transferring of operation command signal Serial signal to the outdoor unit Reception of information of operation status Serial signal including outside temp data to the outdoor unit and judgment display of error Air purifier operation control 2 Role of outdoor unit controller Receiving the operation command signal Serial signal from the indoor unit controller the outdoor unit performs its role Compressor operation control Detection of inverter input current and current release operation Over current detection and prevention operation to IGBT module Compressor stop function Compressor and outdoor fan stop function when serial signal is off when
97. nsure 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 Personal injury and property
98. once and turn it on again Y Start to operate indoor unit in cooling operation at airflow level LOW Does indoor fan operate YES Change airflow level to HIGH Is it possible to change airflow level to HIGH YES Does fan motor YES continue to operate Fan motor operates normally Is it possible to detect DC 1V or more between NO and 3 of motor connector CN31 YES Is it possible to detect DC 310 340V between NNO NO and S of motor connector CN31 Motor connection condition Is it possible to detect DC 15V between and RA motor connector Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between and G of motor connector CN31 YES Is it possible to NO Turn off indoor unit and remove connector from motor Then push START STOP button on remote controller to stop flashing lamp on indoor unit Is it possible to detect DC 15V between 4 and 3 of motor connector CN31 Turn off indoor unit and remove connector from motor Then start to operate indoor unit with remote controller Start to operate the indoor unit in except heating operation At this time is it possible to T
99. ong Josues duu81 JOOPINO Josues duu81 eBreyosig nouo K gt yun 100pu ZHO9 08 0 ZH0S AOvc 02c i LINN HOOQNI 104 FILE NO SVM 12061 9 OPERATION DESCRIPTION 9 1 Outline of Air Conditioner Control This air conditioner is a capacity variable type air conditioner which uses AC or DC motor for the indoor for motor and the outdoor fan motor And the capacity proportional control compressor which can change the motor speed in the range from 11 to 96 rps is mounted The DC motor drive circuit is mounted to the indoor unit The compressor and the inverter to control fan motor are mounted to the outdoor unit The entire air conditioner is mainly controlled by the indoor unit controller The indoor unit controller drives the indoor fan motor based upon command sent from the remote controller and transfers the operation command to the outdoor unit controller The outdoor unit controller receives operation com mand from the indoor unit side and controls the outdoor fan and the pulse Modulating valve PM V 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 operati
100. ontrol Only in heating operation r 32 Louver control Luya EX RR XXL EE XR EXER CEDAT XXV ER XR ex beraden a 33 T Louver eae 33 2 Al direction mnd veen Hoes eenen daten ie 33 OO MINE gem Conr 33 MN eee eea 34 Temporary OPSraON rte eenen eten 35 Discharge temperature den Ln e XR ade 35 Pulse Modulating valve P M V control sees 36 Self Cleaning TUNCHON i tret EGRE HERR CO ERR I SR e E REA EXER c dienende 37 Hemote A or B selection dete el e eee ae es 38 QUIET MOG initio A E Dmm E eenen 39 COMFORT SLEEP MOJE uiae iore telae toe eee rer Fete tore RE PP RI 39 Ones TOUGH CONO apes tet AE As A ete 39 HIFPOWER te tea mee be er ate s a e ae ande ende 40 PIL TE RARGICHOR a naa laria ete ta en need 40 SOR MNS nde 40 9 Auto Restart Function 9 3 1 9 3 2 9 3 3 How to Set the Auto Restart Function enne 41 How to Cancel the Auto Restart Function enen versen enervenn nnns 42 Power Failure During Timer Operation instore ia dct ate tesa 42 Remote Controller and Its Fuctions 9 4 1 Parts Name of Remote Controller
101. ot over 0 15 N m 0 02 kgf m 10 Reassembly cover of remote controller Polyester sheet close hole for insert control wire Control wire 10 Wire size 28 22 AWG 0 08 0 32 mm Outer diameter not over 4 7 mm control wire length 30 or less Control wire Terminal Tighten firmly but not over 0 25 N m 0 03 kgf m Fig 10 3 9 Control wire Control wire Screw 3 1 x 16L for Hole for hang hang remote controller remote controller Remote controller Screw 3 1 x 25L for fix battery cover B Tighten firmly but not over 0 15 Nm 0 02 kgf m Fig 10 3 10 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 lt How to install the air inlet grille on the indoor unit gt e When attaching the air inlet grille the contrary of the removed operation is performed 10 3 4 Piping and drain hose installation lt Piping and drain hose forming gt Since dewing results in a machine trouble make sure to insulate both the connecting pipes Use polyethylene foam as insulating
102. otating DC 1 0V or more Under DC 1 0V P C board is defective Motor is defective Replace P C board Replace motor 5 Troubleshooting for remote control Press 5 button Is transmission mark indicated Is receiver on indoor unit exposed to direct sunlight Does indoor unit operate when Is there any thyristor fluorescent light nearby near receiver or indoor unit YES Does indoor unit start to operate by automatic restart function NO Does radio sound is affected by remote control when a signal is transmitted at distance of 5 cm from radio P C board is defective Replace P C board Keep indoor unit away from Avoid direct Replace sunlight batteries thyristor fluorescent light moving remote control Press 0 button Batteries are exhausted Is transmission mark indicated YES beep and operate YES FILE NO SVM 12061 The unit does not beep at all OPERATION lamp on indoor unit is not indicated Press RESET button on remote control with tip of pencil Does indoor unit Remote control is defective Normal Replace operation remote control FILE NO SVM 12061 11 5 2 Wiring Failure Interconnecting and Serial Signal Wire 1 Outdoor unit does not operate 1 Is the voltage between and Q of the indoor terminal block varied Confirm that transmission
103. 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 cover ST1TO 4 x 10L 3 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve cover to square holes at three positions of the main unit and attach it pushing upward FILE NO SVM 12061 Remarks Upper cabinet 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 12061 Pa
104. r 3 minutes Then select an operation mode 5 If the status of compressor OFF continues for 15 minutes the room temperature after selecting an operation mode COOL HEAT reselect an operation mode DRY operation DRY operation is performed according to the difference between room temperature and the setup temperature as shown below In DRY operation fan speed is controlled in order to prevent lowering of the room temperature and to avoid air flow from blowing directly to persons Fan speed 1 Detects the room temperature Ta when the DRY operation started 2 Starts operation under conditions in the left figure according to the temperature difference between the room tempera ture and the setup temperature Tsc Setup temperature Tsc Set temperature on remote controller Ts 0 0 to 1 0 3 When the room temperature is lower 1 C or less than the setup temperature turn off the compressor FILE NO SVM 12061 Operation flow and applicable data etc Description 2 Indoor fan lt In cooling operation gt motor control This operation controls the fan speed at indoor unit side Symbols The indoor fan cross flow fan is operated by the phase UH Ultra High control induction motor The fan rotates in 5 stages in H High MANUAL mode and in 5 stages in AUTO mode respec Medium tively Table 1 M Medium L Low L Low L Low GOOEON UL Ultra Low SUL Super Ultra
105. r stop of the compressor 3 The outdoor fan starts rotating at the same time when the compressor starts FILE NO SVM 12061 Item Operation flow and applicable data etc Description 8 Louver control This function controls the air direction of the indoor unit 1 Louver The position is automatically controlled according to the operation position mode COOL HEAT e The set louver position is stored in memory by the microcomputer and the louver returns to the stored position when the next operation is performed Cooling Heating memory position The angle of the louver is indicated as the louver closes fully is 0 1 Louver position in cooling operation lt A Initial setting of Cooling storage position Louver Directs downward 40 99 2 Louver position in heating operation Heating operation AUTO HEAT lor Initial setting of Heating storage position Louver Directs downward 80 5 2 Air direction adjustment e The louver position can be arbitrarily set up by pressing FIX button Horizontal Inclined Blowing Inclined Horizontal blowing blowing downward blowing blowing SCA 24 24 xA 3 Swing e Swing operation is perfor in range 35 with the Fixed position as e Swing the center When pressing e If the swing range exceeded either upper or lower limit position SWING button during
106. ration Time set now elapses 1 When the stop signal from the remote controller or timer off function is received only the timer indicator light 2 The period of the Self Cleaning operation operation performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operating During Self Cleaning operations The louver opens slightly The indoor fan operates continuously at a speed of 500 rpm Self Cleaning operation times Operation time Self Cleaning operation time No Self Cleaning operation performed 0 minutes Up to 10 minutes Cooling Auto cooling Dry 10 minutes or longer 30 mins Heating Auto heating Auto fan only No Self Cleaning operation performed Shutdown To stop an ongoing Self Cleaning operation at any time Press the start stop button on the remote controller twice during the Self Cleaning operation After pressing the button for the first time press it for the second time without delay within 10 minutes FILE NO SVM 12061 13 Self Cleaning e Self Cleaning diagram function Operation display ON OFF OFF ON ON FCU fan rpm is depend on presetting 500RPM louver OPEN OPEN 12 7 CLOSE ON or OFF ON ON or OFF depend on presetting of timer function depend on presetting of timer function ON or OFF depend on presetting per room temperature
107. rd compressor Stops though activation is prompted Check operation within 2 minutes 20 seconds after activation stopped 11 8 How to Check Simply the Main Parts 11 8 1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing the front panel or the board be sure to shut off the power supply breaker 2 When removing the PC board hold the edge of the PC board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection procedures 1 When a PC board is judged to be defective check for disconnection burning or discoloration of the copper foil pattern or this board 2 The PC board consists of the following 2 parts a Main P C board part DC power supply circuit Indoor fan motor control circuit CPU and peripheral circuits buzzer and Driving circuit of louver b Indication unit of infrared ray receiving infrared ray receiving circuit LED To check defect of the board follow the procedure described below 3 Check procedures Procedure Turn off the power supply breaker and remove the P C board assembly from electronic parts base Remove the connecting cables from the terminal block Table 11 8 1 Check points Check whether or not the fuse F01 is blown FILE NO SVM 12061 Impulse voltage was applied or the indoor fan mo
108. re in the refrigeration cycle becomes abnormally high pressure and may cause a rupture or personal injury Indoor unit Outdoor unit Refrigerant cylinder Ben siphon Open close valve for charging Electronic balance for IAII charging Service port Fig 3 4 1 Configuration of refrigerant charging 42 FILE NO SVM 12061 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 Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit Refrigerant Refrigerant cylinder cylinder Electronic balance Siphon R410A refrigerant is HFC mixed refrigerant Therefore if it is charged with gas the composi tion of the charged refrigerant changes and the characteristics of the equipment varies 3 5 Brazing of Pipes Fig 3 4 2 1 Phosphor bronze brazing filler tends to react 3 5 1 Materials for Brazing with sulfur and produce a fragile compound 1 Phosphor bronze brazing filler water solution which may caus
109. red ON timer Press o Set the desired OFF timer 2 Press Set the timer Press set the timer 3 Press Cancel the timer Press Daity timer allows the user to set both the ON amp OFF timers and will be activated on a daily basis Setting Daily Timer 1 oN Set the ON timer 3 Press Press Q 2 Press o Set the OFF timer 4 Press o button during the f or 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 9 10 11 12 FILE NO SVM 12061 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 PRESET for 3 seconds to memorize the setting The mark displays 3 Press PRESET Operate the preset operation 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 secpmds e Do not operate ON timer and OFF timer 2 Press and hold the RESET bu
110. res are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electrolytic capacitors and secondary circuit components and result in damage to the components Sensor leads Fig 11 2 Do NOT lay the circuit board assembly flat Precautions when inspecting the control section of the outdoor unit NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280 to 380V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc lt Discharging method gt 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100040W or plug of
111. rging the diameter of the service port differs from that of R22 3 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air or moisture to remain in the refrig eration cycle Otherwise pressure in the refrig eration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged with a large volume of refrigerant is installed in a small room it is necessary to exercise care so that even when refrigerant leaks its concentration does not exceed the marginal level If the refrigerant gas leakage occurs and its concentration exceeds the marginal level an oxygen starvation accident may result 7 Be sure to carry out installation or removal according to the installation manual Improper installation may cause refrigeration trouble water leakage electric shock fire etc 8 Unauthorized modifications to the air conditioner may be dangerous If a breakdown occurs please call a qualified air conditioner technician or electricia
112. rt name Procedure Remarks Front cabinet 1 Detachment 1 Perform step 1 in 2 Remove the fixing screws ST1T 4 x 10L 2 pcs used to secure the front cabinet and inverter cover the screws 6 1 4 x 10L 4 pcs used to secure the front cabinet at the bottom and the fixing screws 6 1 4 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 right into the square hole in the front cabinet 3 Return the screws that were removed above to their original positions and attach them H Concave section Part name Inverter assembly Procedure 1 Perform work of item 1 in 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 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 100040W or plug of soldering iron to B term
113. s use the following methods 1 Judgment by flashing LED of indoor unit 2 Self diagnosis by service check remote controller 3 Judgment of trouble by every symptom Firstly use the method 1 for diagnosis Then use the method 2 or 3 to diagnose the details of troubles 11 3 Judgment by Flashing LED of Indoor Unit While the indoor unit monitors the operation status of the air conditioner if the protective circuit operates the contents of self diagnosis are displayed with block on the indoor unit indication section Table 11 3 1 Block display Description for self diagnosis OPERATION Green Indoor indication Flashing display 1 Hz lamp flashes Power failure when power is ON OPERATION Green Flashing display 5 Hz Protective circuit operation for indoor P C board Which lamp does flash OPERATION Green TIMER Yellow Flashing display 5 Hz Protective circuit operation for connecting cable and serial signal system OPERATION Green FILTER Orange Protective circuit operation for outdoor P C board Flashing display 5 Hz OPERATION Green TIMER Yellow Protective circuit operation for others FILTER Orange including compressor Flashing display 5 Hz NOTES 1 The contents of items B and C and a part of item E are displayed when air conditioner operates 2 When item B and and item B and a part of item E occur concurrently priority is given to the block of item B
114. s 20 seconds passed and discharge the electro lytic capacitor by soldering iron Check voltage between motor phases Is not winding between D Q G or O opened or short circuited Is not frame grounded with or FILE NO SVM 12061 Summary If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 1000 40W or soldering iron plug between terminals of the electro lytic capacitor 500uF or 760uF of C14 with printed CAUTION HIGH VOLTAGE on P C board Discharging position Discharging period 10 seconds or more Plug of soldering iron OK if 500uF or 760uF DC280 to 380V Remove CN300 while pushing the part indicated by an arrow because CN300 is a connector with lock Resistance between phases should be approx 55 to 770 Should be 10MQ or more FILE NO SVM 12061 Diagnosis Process flowchart Contents Summary Check winding resistance between phases of compres sor and resistance between outdoor frames by using a tester board assembly Is not short circuited OK if 0 510 gt 0 570 between windings Check by a digital tester Check compressor Winding is not opened winding resistance Operation Remove connector CN300 of the outdoor fan motor turn on the power supply breaker Replace Replace and perform the operation control boa
115. s of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse Modulating valve and 4 way valve according to the operation signal sent from the indoor unit Operation ON Setup of remote controller Y Indoor unit control Control Requierment Indoor fan motor control Louver control Operation Hz y Sending of operation command signal E Outdoor unit control 4 way valve control Compressor revolution control Outdoor fan motor control Operation Hz control Include limit control In cooling operation ON In heating operation OFF Pulse Modulating valve control 3 AUTO operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode Ta Cooling operation Monitoring Fan Heating operation 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in the left figure 3 Fan operation continues until an operation mode is selected 4 When AUTO operation has started within 2 hours after heating operation stopped and if the room temperature is 20 C or more the fan operation is performed with Super Ultra LOW mode fo
116. side handle of the gauge manifold valve 4 Operate the vacuum pump to start evacuating Perform evacuating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Then confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure side valve handle of 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 a lt Handle Hi Keep full closed Handle Lo O Charge hose 4 lt Charge hose Connecting pipe Vacuum pump adapter for counter flow prevention EN Vacuum pump Packed valve at gas side Service port Valve core Setting pin Packed valve at liquid side Fig 10 4 7 CAUTION KEEP IMPORTANT 5 POINTS FOR PIPING WORK 1 Take away dust and moisture Inside of the connecting pipes 2 Tight connection between pipes and unit 3 Evacuate the air in the connecting pipes using VACUUM PUMP 4 Check gas leak connected points 5 Be save to fully open the packed valves C before operation lt Packed valve handling precautions gt e Open the valve stem all the way out but do not
117. 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 a Minus screwdriver Hooking claw FILE NO SVM 12061 Part name Procedure Remarks TE sensor outdoor heat exchanging temperature sensor Attachment Install the sensor onto the straight pipe part of the condenser output pipe Arrow D Straight Part Sensor lead Detail C TS sensor Suction pipe temperature sensor Attachment Install the senser onto the straight pipe part of the suction pipe Be careful for the lead direction of the sensor TD sensor Discharge pipe temperature sensor Attachment With its leads pointed upward install the sensor onto the vertical straight pipe part of the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger Detail A Detail B Arrow D sensor TS sensor TD sensor TO sensor holder CAUTION During the ins
118. t 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 are lengthened The used refrigerating oil is changed and mixing of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air water heat pump installation Conventional air water heat pump installation Used tool Whether conven tional equipment can be used Existence of new equipment for R410A Whether new equipment can be used with conventional refrigerant Flare tool Pipe flaring Yes Note 1 O Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Yes Note 1 Note 1 Torque wrench Connection of flare nut Yes x
119. t the normal charging characteristics are show in continuity test by the tester Gie AE Case that product is good Pointer swings once and returns slowly When performing test once again Soldered under another polarity the surface o pointer should return Heat sink IGBT side C12 C13 C14 500uF 400V Converter module 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that the normal rectification characteristics are shown in continuity test by the tester Diode check Resistance value Tod in good product ei o or more 0Q in trouble Qi e FILE NO SVM 12061 11 9 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad 1 Symptom Outdoor fan motor does not rotate Outdoor fan motor stops within several tens seconds though it started rotating Outdoor fan motor rotates or does not rotate according to the position where the fan stopped etc Remote controller check code 02 Outdoor block 1A Outdoor fan drive system error 2 Cause The following causes are considered when the outdoor fan motor does not normally rotate 1 Mechanical lock of the outdoor fan motor 2 Winding failure of the outdoor fan motor 3 Position detect circuit failure inside of the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board
120. tallation 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 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO TS TE TD These are parts for servicing sensors Please check that the accessories shown in the right table are packed 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
121. tely for the purpose of 1 hour for plasma air purifier are set for the testing trial etc short timer can be used maintenance of the unit maintenance of the unit Short Timer Setting Q Press button to turn the unit OFF Q Setthe operation mode or plasma air purifier on the remote control without sending the signal to the unit Use the tip of the pencil to push the CHK button and hold 00 will show on display them press SET button TIMER kovron to make 00 disappear ae Press 05 button to turn the unit ON When short timer is activated all setting on the remote operates immediately besides all indicatiors on front panel turns ON continuously for 3 seconds 5 T ER 40 FILE NO SVM 12061 9 3 Auto Restart Function This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How to Set the Auto Restart Function To set the auto restart functio
122. the conditions Outer dia of copper pipe Unit N m Tightening torque 6 35 16 to 18 1 6 to 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m Flare at indoor unit side Sj gt Flare at outdoor unit side Fig 10 4 5 lt Shaping pipes gt p Mark line Fig 10 4 6 1 How shape the pipes Shape the pipes along the incused line on the outdoor unit 2 How to fit position of the pipes Put the edges of the pipes to the place with a distance of 85 mm from the incused line 10 4 3 Evacuating After the piping has been connected to the indoor unit you can perform the air purge together at once AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the manual of the vacuum pump FILE NO SVM 12061 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 result 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve at gas sige 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure
123. 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 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 Now attach the display unit Connect the connectors for the fan motor and louver motor 2 Secure the grounding wire using the fixing screw Insert the TC sensor into the sensor holder Be absolutely sure to loop the grounding wire and TC sensor leads once at the bottom FILE NO SVM 12061 Remarks e Electric part box cover TC sensor Fan motor Earth Screw connector Fixing screw AC fan motor connector Louver motor connector FILE NO SVM 12061 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 F 2 TM 4 Remove fixing screw on the heat exchage fixing holder to separate the heat exchage from the back body holder Heat exchanger fixing i
124. the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked up on the installation plate DE Hook here H Installation E plate j O Press unhook Fig 10 3 18 For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing its bottom up at the specified parts D Push Push Fig 10 3 19 FILE NO SVM 12061 10 3 6 Drainage 1 Run the drain hose sloped downwards NOTE Hole should be made at a slight downward slant on the outdoor side Do not form the Do not rise the drain hose into drain hose a wavy shape Z 50 mm gt gt gt gt VE 7 ET VOL Do not put Do not put the drain the drain hose end hose end in into water the drainage ditch Fig 10 3 20 2 Put water in the drain pan and make sure that the water is drained out of doors 3 When connecting extension drain hose insulate the connecting part of extension drain hose with shield pipe Shield pipe x H 4 Drain hose Inside the room Extension drain hose Fig 10 3 21 Arrange the drain pipe for proper drainage from the unit Improper drainage can result dew dropping This air conditioner has the structure designed to drain water colle
125. 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 CN701 4 way valve 2P yellow CN600 TE sensor 2P white CN700 PMV 6P white CN603 TS sensor 3P white CN601 TD sensor white CN602 TO sensor 2P white These connectors have a disconnect prevention 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 P C 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 P C board is inserted properly into the board support groove FILE NO SVM 12061 Remarks CN603 n CN601 CN600 CN701 CN700 CN602 CN300 CN300 CN701 CN600 and CN603 are connectors with locking mechanisms as such to disconnect th
126. tor short circuited Remove the connector of the motor and turn on the power supply breaker If OPERATION indicator flashes once per second it is not necessary to check steps 1 to 3 in the right next column Check power supply voltage 1 Between No 1 and No 3 of CNO1 AC 220 240V 2 Between and of DC 310 340V Between of C124 and output side of IC13 DC 15V 4 Between 12V and GND 5 Between 5V and GND The terminal block or the crossover cable is connected wrongly The capacitor C01 line filter 101 resistor R02 or the diode 0 01 is defective C11 IC13 and T101 are defective IC11 and T101 are defective IC11 IC12 and T101 are defective Push O button once to start the unit Do not set the mode to On Timer operation Check power supply voltage 1 Between CN51 and No 1 of CNO1 DC 15 60V IC51 and IC52 are defective Shorten the restart delay timer and start unit Check whether or not all indicators OPERATION TIMER FILTER PRE DEF Hi POWER are lit for 3 seconds and they return to normal 3 seconds later The indicators are defective or the housing assembly CN21 is defective Push button once to start the unit Shorten the restart delay timer Set the operation mode to COOL Set the fan speed level to AUTO Set the preset temperature much lower than the room temperature The unit com pressor op
127. try to open it beyond the stopper Pipe size of Packed Valve 12 70 mm and smallers 15 88 mm Size of Hexagon wrench A 4mm A 5mm e Securely tighten the valve cap with torque in the following table Cap Cap Size H Torque 14 18 N m 1 4 to 1 8 kgf m 33 42 N m 3 3 to 4 2 kgf m 8 12 N m 0 8 to 1 2 kgf m 14718 N m 1 4 to 1 8 kgf m Valve Rod H17 H19 Cap H22 H30 Service H14 Port Cap H17 Hexagon wrench A is required D Service Port Cap Valve Rod Cap Fig 10 4 8 fa 10 4 4 Electrical work 1 The power supply line must be supplied to outdoor unit 2 The supply voltage must be the same as the rated voltage of the air conditioner 3 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 e Connection to fixed wiring A switch or circuit breaker which disconnects all poles and has a contact separation of at least 3 mm must be incorporated in the fixed wiring An approved circuit breaker or switches must be used e Perform wiring works so as to allow a general wiring capacity 2 Connect power cord to the terminal block L N FILE NO SVM 12061 10 4 5 Wiring connection 1 Remove the valve cover from the outdoor unit and then connect the connecting cable to the terminals as identified with their resp
128. tton on the indoor unit for 3 seconds to cancel the operation 3 beep sound but OPERATION lamp does not blink QUIET OPERATION To operate at super low fan speed for quiet operation except in DRY mode Press QUIET Start and stop the operation Note Under certain conditions QUIET operation may not provide adequate cooling or heating due to low sound features COMFORT SLEEP OPERATION To save energy while sleeping automatically control air flow and automatically turn OFF Press COMFORT SLEEP 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 For heating operation the set temperature will decrease CJ 9 FILE NO SVM 12061 9 4 Remote control 9 4 1 Function of Push Putton Infrared signal emitter PEL Start Stop button f _ _ 9 Mode select button MODE Temperature button TEMP Fan speed button FAN D Swing louver button SWING D 6 Set louver button FIX e 6 On timer button ON En EE Cad 8 Off tim
129. uching the parts on the control circuit board may result in electric shocks 12 1 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 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 2 pcs 6 Take off three hooks of panel from rear side lt How to assemble the front panel gt FILE NO SVM 12061 Remarks Installation plate Front panel 2 Screws Three hooks 1 Press three center positions and two lower center positions of the air outlet and then hang the hanging hooks 3 pcs at the top side of the front panel to the rear plate 2 Tighten two screws Incomplete hanging or incomplete pressing may cause a dewdrops or generation of a fluttering sound Part name Electric parts box assembly Procedures 1 Follow the procedure up to 3 in 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
130. wn in the table below In cooling operation In Heating operation 13 8 31 7 Compressor speed rps 16 8 47 9 To gt 15 gt 38 lt 15 gt 28 lt 5 5 gt 15 lt 5 0 To 2 5 5 C To 2 15 C To gt 0 C During To 15 C To lt 0 C ECO mode To lt 5 5 During To 2 38 C To lt 5 5 C ECO mode To lt 38 C When To is abnormal When To is abnormal Compressor speed rps Outdoor fan speed rpm RAS 16N3AV2 E RAS 16N3AV2 E 4 Capacity control Remote controller Set temp Ts 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 Indoor unit Room temp Ta 5 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 12061 Description 1 The difference between set temperature on remote controller Ts and room temperature Ta is calculated 2 According to the temperature difference th

Download Pdf Manuals

Related Search

Related Contents

取扱説明書 充電式震動 ドライバドリル HP460DZ HP460DRA  Manual o Instructivo de instalación  Manual  Sika Desmoldante Plus  CAHIER DESCRIPTIF DU DISTRICT 89-22  manuale 4500 grein modificato x TUV-2.pub  Descargar documento con más información: cem-09  Samsung DVD-HD945 Bruksanvisning  Hauppauge Colossus  VPCW111XX/W  

Copyright © All rights reserved.

• https://telegra.ph/DC-Voltage-Drop-Calculator-778fcd41-11-16
• https://telegra.ph/AC-Single-phase-Voltage-Drop-Calculator-d4f6fc76-11-16
• https://telegra.ph/Concrete-Volume-Calculator-for-Curbs-Gutters-58424e13-11-16
• https://telegra.ph/1-1-2-Concrete-Mix-Calculator-9735eb43-11-13
• https://telegra.ph/Concrete-Block-Calculator-e3c84b30-11-13
• https://telegra.ph/equal-angle-steel-weight-calculator-70114d21-11-07
• https://telegra.ph/Wire-Size-Calculator-From-Voltage-Drop-90e1c6b2-11-18
• https://telegra.ph/AC-Single-phase-Voltage-Drop-Calculator-2a5e1a68-11-18
• https://telegra.ph/Wire-Size-Calculator-From-Voltage-Drop-ea4923c4-11-18
• https://telegra.ph/AC-Single-phase-Voltage-Drop-Calculator-960fce8c-11-18