Home

1.indb

1.
2.
3. 0 0 a 0 0 0 0 0 oo oo 00 00 00 00 00 SSS Se eee 00 00 9010000 0000000 e B 111000 T8 Dum TT J DO ME AVT o nn min std Oi 0000 t oo unu gig om 18 SE MEM Fs E 8 lg 5 5 0 o B 8 B 60000 5 xc B 5 IS
4. 0 0 0 0 0 0 0 0 00 oo oo 00 00 00 00 C I CONTROLE nan r arO U B o Moteur de ventilateur int rieur LE Or Y SLE 0900 0000 4 mon a 0000 0000 ele Remarque a mulas B 545 0000 XE a 00000 de condensateur d B 8 s STE OD condensateur 8 0 Ceramique condensateur p B 4 8 0 Electrolytique condensateur 0000 oo Do E 000 000 0000 0000 TE B is Bomier de raccordement Moteur pas a pas 0 4
5. gaupressoa INTING POWER CAPACITOR TYPE io W B TERM MAL AN CERAMIC R RADIAL M MAIN P W B 3A FUSE t101 H MANUAL INSERT o y I d D ELECTROLYTIC C CHIP SMT 5 al PA L 7 IK S OTHER SMT Li KU 15 L Tes Torti RESISTORS RESISTORS CAPACITORS CAPACITORS TRANSISTORS ENE TET en REATING RATING TETE RATING TET ETE HE Bis x nu SO TE TPE amp pro ETS els woort SIS er 55 AT P R248 EE cor R gt 2200 50 cl M 2 2412 GREEN TED s 5 6249 cl M 602 o so o R gt na E 680 5 i
6. MOUNTING BOARD ATAXTAL P POWER P W B R RADIAL M MAIN P HIMANUAL INSERT CI CHIP SMT SIOTHER SMT POWER P W MAIN P W B CAPACITOR TYPE TERMINAL gay ___74893 IPM I C CERAMIC BOARD A fuse t101 ri d D ELECTROLYTIC DB3 a Fe w T 8 4 Le ob zE ze zz T2 Da RESISTORS RESISTORS CAPACITORS TRANSISTORS 24 REATING REATING TET sues RANG TETE B ua z T we S 2 rela ven S woort 2 en ED 55 ej ale R248 zel 5 Bol cfr P cooollzzooslol cl clm 28c2412K C M saten f 802 ARE R249 20x 1 wije M C02 gt a purp E R03 Sla ATP R250 10K 5 z 03 so cre R P sa RO4 sw n R P R281 10K 5 tt c M C04 BK gt m ORANGE ROS HANE 8252 8 14 005 RI gt roze 2 C06 25 p R P coral
7. OUTDOOR UNIT COMPRESSOR A INDOOR UNIT OUTDOOR AS FAN MOTOR TPM FUSE M BRN T BRN 7100 CN24 En TEST lool stacks HEAT 235990000000 RED S REDY Le _ 083 DIODE STACK OVERKEAT THERMISTOR EXCHANGER m qud en MIA THERMISTOR ay CN6 i3 WAT AED AIN P W B DEFROST THERMISTOR CN1 i CN9 RY BLK Fr 3 ad cn TEMPEATURE CN4 AUTO SWEEP mes SE THERMISTOR BLK RED MOTOR e l em 2 CN10 CNSACN4A T nf T 5 IT poc INDICATION HUMIDITY CN3B CN4B TEMPORARY SW 7 o 3 SENSOR ad CN15 AND CN11 XUN USE IRR SENSOR 9 NN SOOTHING CAPACITOR PW B ATRED RELAY CN10 BLK INDOOR R007 POWER P W B WIRELESS REMOTE RED WHT FAN MOTOR o wb CONTROL WIRED YEL RELAY Th FUSE LS REMOCON BLU vs2 CN7 CN9 8002 o oO 1 1234567771234 C011 cor eph 6013 3 coos 001 ENTE im m 154 lt LEA REVERSING VALVE 00 nai T RED BLU BLUE WHT WHITE GRN GREEN PNK PINK T
8. AVA DANGER BEE D D 3 003501 ER DETAILS MAIN CHECK POINT CUT THE POWER NOSIS ANE SOURCE AND WAIT MORE THAN 10 1 DURING OPERATION 10303 LIGHTS H MINUTES BEFORE NORMAL COMPRESSOR SERVICE WORK OPERATION OPERATION NOT MALFUNCTION CONFIRM THE DC 2 VOLTAGE AT THE T ae SIUS BEST Wee PESS OVERLOAD THE rotation speen Is OVERLOAD PROTECTION THAN 2 AUTOMATICALLY CONT STATUS L OVERLOAD ROLLED TO PROTECT THE epo wor rouch rae UST Seen E NOT MALFUNCTION OTHER COMPONENTS WHEN OPERATING THE 2 DURING STOP 10303 RED GOES OFF SERVICE SWITCH NORMAL STOPPED BY THERMOSTAT EED STOP OR CONTROLLER NOT MALFUNCTION ROCEDURE or REFRIGERANT ouwe cours 07 1s vormau OPOWER P W B DOWN OR INDEPENDENT OPERATION E STOP m ROER SW HAS P W B OF OUTDOOR UNIT COMPRESSOR PEAK OMAIN W 1 CUT OFF THE POWER SOURCE AU CURRENT CURRENT WAS BEYOND COMPRESSOR ONCE THEN ON AGAIN MUMES CUT MAXIMUM LIMIT POWER P W B U un seavice Site ABNORMAL Lost cowpREssoR P W WEICH 15 ON THE Pwe MORE LOW SPEED POSITION COMPRESSOR SEN SECOND 3TIME
9. OUTDOOR UNIT Unit mm 335 27 5 288 19 5 co ND To 5 Air outlet 0 Air suction 219 Rear side Handle Air suction 2 50 Holed for anchor bolt 2 12x 16 slots for 8 0 bolt Notch for anchor bolt for 2 8 0 bolt Y 12 MES Drain hole 35 Fiang hole 500 125 Drain hole lt IS Service space Z 7 More than JL So More than 100 wa 200 gt 4 7 750 841 34 MODEL RAC 35NX2 OUTDOOR UNIT Unit mm 23 208 841 Poign e 26 750 _ 27 5 19 5 X i Poign e Aspiration d air LD g LO Aspiration o 10 d air Aspiration d air Longs trous pour verrou de l ancre
10. 9o SOLDERING IRON 30 TO 75W 140 Other cautions 1 Disconnection of tab terminal receptacle All recectacle used to connect with tab terminal are built with lock mechanism Please take note that by using a force to pull out the receptacle without releasing the lock can cause a damage Furthermore during connecting the receptacle back make sure to securely insert until end e Receptacle type and procedure to releasing the lock Insulation sleeve TT lt Release button Release button zs p Vertical type with plastic casing Vertical type without casin Horizontal type with insulation sleeve Pull out by holding the Pull out while pushing Pull out from top of insulation sleeve plastic casing the release button while pushing the release button 2 Disconnecting on board connector On board connector with lock machanism are widely used Please take note that by using a force to pull out with out releasing the lock mechanism can cause a damage
11. U CHAUFFAGE uwr EXT RIEUR Silencieux I m Vanne de service 3 4 Orifice de Union asym trique chargement 1 3 0 3 anne inversion Compresseur Echangeur de chaleur int rieur 2 Circulation d Air Circulation d Air Vanne d expansion Vanne de lectrique service 1 4 Union asym trique 1 47 DISASSEMBLY amp ASSEMBLY PROCEDURE 1 AIR FILTER Clean the air filter as it removes dust inside the room Be sure to clean the filter once every two weeks so as not to consume electricity unnecessarily PROCEDURE Open the front panel To open the front panel use the remote controller to stop unit operation Then press at the top left and right corners of the front panel Grasp the left and right sides of the front panel and open it toward you Remove the filters Remove dust of the filters using a vacuum cleaner
12. Terminals symbol mark of the module X See next for measuring value using multimeter 24 32 302826 29 Fail signal 31 29 27 25 35 INVOV 36 0V 37 N 39 W 40 V 41 U 42 186 Diagnosis procedure of IPM using multimeter Inverter section gt Set the multimeter function to resistance x 100 If the multimeter dose not have x 100 range please select its range from x 1 to x 100 The judgment shall be OK When the measurement was high resistance Please consider that the probe polarity will be reserve when use a digital mulimeter due to its battery connection inside lt note gt Sometimes it may misjudge as OK because of low conductivity when power module was damaged as disconnect mode In this case please check the resistance by reversing the probe polarity and consider OK when it was low resistance Also it is OK if the resistance was as same as the other phases U V W ss fee ep em tbe ei v lt Driver circuit internal IC gt 15V will not be generated when the intemal IC has malfunctioned
13. AN AN DANGER BEE D D 3 003501 ER DETAILS MAIN CHECK POINT CUT THE POWER NOSIS ANE SOURCE AND WAIT MORE THAN 10 1 DURING OPERATION 10303 LIGHTS MINUTES BEFORE NORMAL COMPRESSOR SERVICE WORK OPERATION OPERATION NOT MALFUNCTION CONFIRM THE DC 2 VOLTAGE AT THE T ae anc BEST PESS OVERLOAD THE RoTATION speen rsOVERLOAD PROTECTION THAN 2 AUTOMATICALLY CONT STATUS L OVERLOAD ROLLED TO PROTECT THE epo wor rouch UST E NOT MALFUNCTION OTHER COMPONENTS WHEN OPERATING THE 2 DURING STOP 10303 RED GOES OFF SERVICE SWITCH NORMAL STOPPED BY THERMOSTAT EED STOP OR CONTROLLER NOT MALFUNCTION ROCEDURE oF REFRIGERANT ouwe DL RESET cours 07 1s vormau OPOWER P W B DOWN OR INDEPENDENT OPERATION E STOP m ROER SW HAS P W B OF OUTDOOR UNIT COMPRESSOR PEAK OMAIN P W B 1 CUT OFF THE POWER SOURCE AU CURRENT CURRENT WAS BEYOND COMPRESSOR ONCE THEN ON AGAIN MUMES CUT MAXIMUM LIMIT P W B U un seavice switch ABNORMAL Lost compressor OMAIN P W WEICH 15 ON THE Pwe MORE LOW SPEED POSITION COMPRESSOR RAN SECOND 3TIMES ROTATION GPOWER W nin SWITCHING FROM LOW oMAIN P W B SERVICE OPERATION WILL BE SWITCHING FREQUENCY
14. INDOOR UNIT Silencer Service valve 1 37 Reversing valve COMPRESSOR Charge port SINGLE ENDED UNION 1 3 1 3 INDOOR HEAT gt EXCHANGER 2 Service valve Electric Expansion valve 1 4 ind SINGLE ENDED UNION 147 8 Strainer Strainer SCHEMA DU CYCLE DE REFRIGERATION RAF 35NX2 RAC 35NX2 REFRIGERATION UNITE EXTERIEUR UNITE INTERIEUR Silencieux E Vanne de service 1 3 GS H Uni tri Orifice de nion asym trique chargement 1 37 1 3 Vanne d inversion R servoir aspiration Echangeur de chaleur int ri Compresseur S gt gt Circulation d Air Circulation d Air Vanne d expansion lectrique Vanne de service 1 4 25 p p Union asym trique ay
15. lt Driver circuit internal IC gt 15V will not be generated when the intemal IC has malfunctioned To find the malfunction either the power supply of power P W B or intemal IC please follow the procedure following By connecting CN3 and CN4 Check the voltage between 15V and gt Internal IC is OK 15 0 on power P W B Normal 15V Lower than 15V By disconnecting CN3 and CN4 Check the voltage between 15V Driver IC which is in IPM may and 15 0V on power P W B malfunction Replace main P W B UE Lower Normal 15V than 15V Power P W B may malfunction Replace power P W B 188 PARTS LIST AND DIAGRAM MODEL RAF 35NX2 189 INDOOR UNIT PARTS No RAF 50NX2 1 HWRAF 50NX2 AOL 2 HWRAF 50NX2 A02 3 HWRAF 50NX2 A03 4 HWRAF 50NX2 A04 5 HWRAF 50NX2 A05 6 HWRAF 50NX2 A06 7 HWRAF 50NX2 A07 8 HWRAF 50NX2 A08 9 HWRAF 50NX2 A09 _ 9 HWRAF 25NX2 A01 10 HWRAF 50NX2 A10 11 HWRAF 50NX2 All 12 HWRAF 50NX2 A12 _ 13 HWRAF 50NX2 A13 14 HWRAF 50NX2 A14 14 HWRAF 25NX2 A02 _ 15 HWRAF 50NX2 Al5 16 HWRAF 50NX2 A16 17 HWRAF 50NX2 A17 18 HWRAF 50NX2 A18 19 HWRAF 50NX2 A19 20 HWRA
16. Je 2 During defrosting heating operation Defrosting will be performed about once an hour when frost forms on the heat exchanger of the outdoor unit for 5 10 minutes each time If the piping length used is longer than usual frost will likely to form TIMER lamp This lamp lights when the timer is working HOW TO OPEN OR CLOSE THE FRONT PANEL TO OPEN OR CLOSE THE FRONT PANEL Top left and right corners Open the front panel 1 To open the front panel use the remote controller to stop unit operation Then press at the top left and right corners of the front panel 2 Grasp the left and right sides of the front panel and open it toward you Close the front panel 1 To close the front panel press the upper center part of the front panel 2 Press at the top left and right corners of the front panel d Upper center part 5 ENGLISH NAMES AND FUNCTIONS OF PART REMOTE CONTROLLER This controls the operation of the indoor unit The range of control is about 7 meters If indoor lighting is controlled electronically the range of control may be shorter in some cases the control signal may not be received This unit can be fixed on a wall using the fixture provided Before fixing it make sure the indoor unit can be controlled fro
17. MAIN P W B I 5V O H thermistor R304 Z x 1 C304 5 5V R301 Y DEF thermist ov Microcomputer ov bed R305 1 0 oer 1 5V sae C303 Outdoor temperature ov thermistor CN10 Ov scs R306 fo Ja utdoor 2 64 temperature 2 R303 Fig 7 1 The Over heat thermistor circuit detects the temperature at the surface of the compressor head the Defrost thermistor circuit detects the defrosting operation temperature Athermistor is a negative resistor element which has the characteristics that the higher lower the temperature the lower higher the resistance When the compressor is heated the resistance of the Over heat thermistor becomes low and voltage to a pin 62 of microcomputer is increased Microcomputer compares the voltage at pin with the internal set value if it is exceeded the set value microcomputer judges that the compressor is overheated and stops operation When frost forms on the outdoor heat exchanger the temperature at the exchanger drops abruptly Therefore the resistance of the Defrost thermistor becomes high and the voltage at pin of microcomputer drops If this voltage becomes lower than the set value stored inside the microcomputer starts defrosting control During defrosting operation the microcomputer transfers the defrosting condition command to the indoor
18. 50 2 12 16 Longs trous 8 0 boulons 2 9 5 Encoche pour les boulons d ancrage 2 boulons 8 0 mm e 35 Le 500 125 Espace requis pour entretien Z Z za gt Sup rieur Jy Sup rieur Sup rieur 100 AA to ss 200 Sup rieur 750 841 MAIN PARTS COMPONENT THERMOSTAT THERMOSTAT Thermostat Specifications MODEL MODELE PRINCIPAUX COMPOSANTS Caract ristiques du thermostat RAF 35NX2 THERMOSTAT MODEL MODELE DE THERMOSTAT IC Cl OPERATION MODE MODE DE FONCTIONNEMENT COOL REFRIGERATION HEAT CHALEUR TEMPERATURE TEMPERATURE C FAN MOTOR INDICATION INDICATION 16 ON MARCHE 16 7 62 1 18 7 65 7 OFF ARRET 16 0 60 8 19 3 66 7 INDICATION INDICATION 24 ON MARCHE 247 76 5 26 7 80 1 OFF ARRET 240 75 2 273 81 1 INDICATION INDICATION 32 ON MARCHE 327 90 9 347 94 5 OFF ARRET MOTEUR DE VENTILATEUR Fan Motor Specifications MODELE MODEL 32 0 89 6 Caract ristiques du moteur de ventilateur RAF 35NX2 35 3 95 5 RAC 35NX2 POWER SOURCE SOURCE D ALIMENTATION DC 5V DC 35V DC 120 380V OUT PUT WATT DE SORTIE NOMINALE 25W 40W CONNECTION CONNEXION BLU BLUE YEL BLEU GRY GRA
19. AUTO The FAN SPEED is HI at first and varies to MED automatically when the preset temperature has been reached HI Economical as the room will become cool quickly MED Quiet CL A LOW More quiet A SILENT Silent Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions Press the START STOP button Cooling operation starts with abeep Press the button again to stop operation The cooling function does not start if the temperature setting is higher than the current room temperature even though the D OPERATION lamp lights The cooling function will start as soon as you set the temperature below the current room temperature W As the settings are stored in memory in the remote controller you only have to press the D START STOP button next time 40 You can use the device simply as an air circulator Use this function to dry the interior of the indoor unit at the end of summer HITACHI Press the FUNCTION selector so that the display indicates FAN Press the FAN SPEED button Hl The strongest air blow M Quiet Silent LOW More quiet Press the D START STOP button Fan operation
20. COMMENT OUVRIR REFERMER LE FRONTAL Angles sup rieurs gauche et droit Comment ouvrir le panneau frontal 1 Pour ouvrir le panneau frontal arr ter le fonctionnement de l unit l aide de la t l commande Appuyez ensuite sur les angles sup rieurs gauche et droit du panneau avant 2 Prendre par les c t s gauche et droit du panneau frontal et ouvrir vers soi Comment refermer le panneau frontal 1 Pour fermer le capot avant appuyez sur sa partie centrale sup rieure 2 Appuyez sur les coins sup rieurs gauche et droit du capot avant Partie centrale en haut eee 49 FRANCAIS D SIGNATION DES L MENTS CONSTITUTIFS ET FONCTIONS BO TIER DE T L COMMANDE Il permet de commander l appareil int rieur La limite de distance est d environ 7 m tres Si l clairage int rieur du domicile est plac sous gestion lectronique il se peut que la port e utile des signaux de t l commande soit plus courte dans certains cas le signal de commande peut ne pas tre Ce dispositif peut tre fix au mur l aide des accessoires fournis cet effet Avant de le fixer v rifier que l appareil int rieur peut tre contr l par le bo tier t l commande Manipuler la t l commande avec beaucoup de pr caution Sa capacit de transmission des signaux peut tre compromise si elle tombe ou se mouille Apr s avoir
21. mode chauffage ON 5 P riode de noe de P riode de cycle invers E d c l ration Cycle invers 2 20min Max 3min Max 3min 20min Max TDF TDF TDF x 411 412 413 TDF421 1min 1min E DFMAX WMAX gt 8 4000miniy gt STARCPL 8 WMIN a 8 gt 0 Remarques 1 La p riode d inhibition du d givrage est r gl e comme indiqu sur le sch ma ci dessous Une fois le d givrage ex cut la p riode d inhibition est nouveau r gl e en fonction de la temp rature ext rieure au moment o le compresseur a t d marr Pendant cette p riode le signal de d givrage n est pas accept 2 Si la diff rence entre la temp rature de la pi ce et la temp rature ext rieure est importante lorsque le d givrage est termin la vitesse de compresseur maximale WMAX ou WMAX2 pourra continuer tre utilis e pendant au maximum 120 minutes 3 La dur e maximale du d givrage est de 20 minutes 3 4 Lorsque l appareil est arr t en cours de d givrage il passe en Rafraichissement automatique du d givrage 5 Le rafra chissement automatique du d givrage ne peut tre activ avant 15 minutes apr s le d marrage de l op ration ou la fin du d givrage Fonctionnement en Veille chauffage R glage de la p riode d inhibition du d givrage Temps DEFTIM_OTPO
22. CH 9 e GM Bl cC gt Cl se BO SEGA 48 SEG2 48 SEG23 42 56627 43 SEG28 42 SEG24 46 4 SEG25 45 SEG26 A INPUT _ 00900000 ENTR E OUTPUT PRODUCTION 00000000 00000 000 mo 00 00 000 000 DD 000 00 e o o 21 000 00000000 00 000000 40 MODEL RAF 35NX2
23. c M THERMISTOR R241 wie 5 C M RS WERT R242 wije Mm C809 DANCE R243 Vi C M 6810 R244 wije M ov R245 Vi c M 6820 100 25 D R P R246 vile M R247 44 BLOCK DIAGRAM MODEL RAF 35NX2 RAC 35NX2 Wireless remote control circuit Heat exchanger thermistor Room temperature thermistor Temporary switch Initial setting circuit Power source 1e 50Hz 220 230V POWER SWITCH Wireless receive Indoor microcomputer AX 7X30 OUTDOOR UNIT Buzzer circuit Indicating lamp Indoor Outdoor interface circuit Filter Operation Timer M Auto sweep motor 1 DC fan motor drive circuit Microcomputer clock circuit Indoor DC fan motor POWER RELAY RECTIFIER Inrush current Protection circuit Outdoor DC fan motor HARMONICS IMPROVEMENT CIRCUIT IPM Rotor magnetic gt pole position detection circuit DC35V Overheat thermistor Defrost thermistor gt Outdoor temperature thermistor Indoor Outdoor gt interface circuit am gt Reset Pow
24. FAN MOTOR POSSITON CONTROL i DETECTIVE CIRCUIT Cg i CIRCUIT REVERSING VALVE i CONTROL CIRCUIT Kp m MICRO nnl J COMPUTER THERMISTOR ELECTRIC EXPANSION VALVE ad DETECTION CONTROL CIRCUIT CIRCUIT SPESE MET DU NEC J EE Neen j RESET CIRCUIT Fig 1 1 83 MODEL RAC 35NX2 1 The electrical parts for the outdoor unit is composed of two P W B a power P W B and main P W B and a harmonics improvement circuit as shown in Fig 1 1 MAIN P W B This PW B is equipped with the rectification diode DC fan motor control circuit and the circuits around the micro computer which take various controls POWER PW B This P W B is equipped with the noise filter ICP power circuit interface circuit smoothing capacitor expansion valve control circuit and four way valve control circuit HARMONICS IMPROVEMENT CIRCUIT This circuit is composed of the capacitor at the bottom of the electrical parts box and two reactors attached to the BULKHEAD POWER P W B MAIN P W B IPM A 3 8 5 5 2 E COMPRESSOR z 5 AW z HARMONICS 1 IMPROVEMENT SWITCHING i GROU INVERTER POWER SUPPLY CONTROLCIRCUIT SMOOTHING CAPACITOR Ce INTERFACE CIRCUIT FAN MOTOR POSSITON CONTROL i
25. g es 17 2 2 PORT DEFLECT EVAPORATOR ASSI EVAPORATOR ASSI EMBLY EMBLY U pa calo ole lt lt 29 THERMISTOR ASSI SPRI DRAI EMBLY AN FU 2 es RONT COVER ASSEMBLY TER OTE CONTROL ASSEMBLY EW ASSEMBLY E PLATE E COV 1 E C0V 2 COV 1 C0V 2 WB SUP EM WIT Q tz I 1j w 5 tz BAN PTERMINAL 2PCORD AS RR SUP RR COV1 ENS COVER 1 OPCORD AS o 1 WB WAIN P W B WAIN l up WAIN C W DISPLAY m TD EE x IN jw T RAIN HOSE OUTDOOR UNIT MODEL RAC 35NX2 191 OUTDOOR UNIT PARTS No PARTS No HWRAC EO8H A02 1254100256 1 COMPRESSOR 750W 8 1kg WRAC 25YH4 A03 COMPRESSOR RUBBER WRAC 25YH4 A04 PUSH NUT WRAC DIOEX2 A02 ONDENSER WRAC 35NX2 A01 EVERSING VALVE HWRAC EOSH A04 SERVICE VALVE ASS Y HWRAC EOSH A05 ELECTRIC EXPAN VALVE HWRAC EOSH A06 SOUND PROOF COVER ASS Y HWRAC EO8H A07 0 L COVER WRAC 25YH4 11 0 H THERMI SUPPORT WRAC 25YHA1 A01 CONNECTING CORD COMP WRAC DIOEX A08 THERMISTOR DEFROST WRAC 25YH4 14 THERMISTOR SUPPORT WRAC 25YHA A03 REVERS VALVE EL e ol
26. Control P W B 5V 4 I F RECEPTION Micro 35V Computer TERMINAL BOARD Y 3 5 I F TRANSMISSION D O OV OO GRR bent Sn et OUTDOOR UNIT POWER P W MAIN P W B SAN IIR ENA jn Micro Computer DHE 12V bus 603 I F TRANSMISSION 0801 ov ay DIE 3 Von RECEPTION Ts 68 6807 0 36 ats T1 M R254 ren gs el LJ Er ans Te L802 E f ud sf 0206 u 6 6 62 5 Ea ov L C810R804C808 1808 6803 L804 D 0V TERMINAL TT TT Fig 3 1 92 5V Outdoor microcomputer Pin 41 AAN ov Pin 68 zac x 5V Indoor microcomputer Pin S OV EB M cure OV 100ms 33ms Leader 1 frame Fig 3 2 Voltages Waveforms of Indoor Outdoor Microcomputers Outdoor to Indoor Communications Outdoor microcomputer Pin 11 OV Indoor microcomputer Pin 5V u eO Pin 5V W Aa ees 4 95ms 33ms Transmit receive 1 frame switching time Fig 3 3 Voltages Waveforms of Indoor Outdoor Microcomputers Indoor to Outdoor Communications 93 5V Outdoor microcomputer Pin 41 AAN ov Pin 68 zac x 5V Indoor microcomputer Pin S OV EB M cure OV 100ms 33ms Leader 1 frame Fig 3 2 Voltages Waveforms of Indoor
27. Check the drive fails wait 3 minutes state press the start sto for the unit to re the PRD checker start and check the Does the unit operate for Check the position self diagnosis lamp approximately 2 seconds the sensor circuit status again LD303 coming on and then stop due to a failure of switching the lamp blinking 4 times Normal No Check the refrigerating cycle Check outdoor electrical parts 152 CHECKING THE INDOOR UNIT ELECTRICAL PARTS 1 Power does not come on no operation No Is 35V DC being generated Is 220 230V AC being generated Check the indoor outdoor unit between terminals C and D on between terminals L and N on connecting cord and correct any the terminal board the outdoor unit terminal board defective section wrong connec tion incomplete insertion lt 7 Yes Is 35V DC being generated Yes between terminals C and D on the outdoor unit terminal board No Yes Yes Are connection wires C and D reversed orrect the cable connection No Check the outdoor unit power circuit and repair the defective section Ave control voltages 12V 5V No Check according to the proper being generated normally method for checking the power circuit lt 7 Do the air deflectors perform Yes Check the indicating P W B initial operation when the power connection cord and light breaker is turned on
28. ext rieure Remarques 1 Le temps d inhibition du d givrage apr s le d marrage du fonctionnement est DEFTIM FST 2 A partir de la seconde fois le temps d inhibition est r gl conform ment au temps requis pour le d givrage Temps de fonctionnement du cycle inverse gt DEFCOL DEFTIM_COL est r gl Temps de fonctionnement du cycle inverse NMMM lt DEFCOL Le temps correspondant la temp rature ext rieure est r gl 0 5hr 6 5hr R gl sur 7 heures Touche de Veille T moin de fonctionnement SLEEP Sur le T l commande est allum T moin de programmateur mar Hi Ventilateur Med int rieur Silent vi gaans je base eer n fonctionnement Med als Lo Ventilateur ext rieur D flecteur de eee l air vertical Fermez Vitesse maximale WBEMAX Vitesse du compresseur Remarques 1 Le fonctionnement en veille d marre lorsque vous appuyez sur le touche de Veille 2 Lorsque le touche de Veille est r gl la vitesse maximal du compresseur est limit e WBEMAX et le ventilateur int rieur est r gl sur Sleep Silent 3 Si le mode de fonctionnement est chang pendant le fonctionnement en veille le mode de fonctionnement chang est r gl et le contr le de veille d marre 4 La vitesse du ventilateur int rieur ne change pas m me lorsque
29. o pu R237 5 18 c M SLS M 0 0 CIR gt 10 R238 10015 R912 M 0805 gt Bors genoten R239 100 5 wil C M 913 12 M C06 0 OUTDOOR TEMP R240 104 c v 5 t c M THERMISTOR Co 12 R241 s R915 ss hulc HEIN R242 100K 2100228 E R248 19 vi cetol ele R244 C M ev R245 5 1 5 Cl M ce20 1002810 R gt R246 43 MOD LE RAC 35NX2
30. 000 D n 0000 000 00 wami Dn Broche test 0000 oo 0000 Jo 0000 _ 00000000 m nel use s mm 0000000605 10 oon um D jm lu o m ETE 0000 oo pom mun mmm oo nom 00000000 m EEE m 0000 olo L 0000 Mod le BE 0000 boo 5540 oo loco ommu 0004640 oo 0000 _ 0000000 0 00 nooo Lomme boooolo BROCHE TEST 0 T CC 0 0 0 0 0 0 0 bi 00 00 00 00 00 00 0 42 MODEL RAC 35NX2
31. Replace Q111 and IC111 Replace IC121 Check if a short occurs in the 5V line Is DC5V being generated If the 5V line is shorted ICP1 will be open again Yes Perform final operation check x1 When the unit is not in operation the voltage across the 35V line may drop to 20V 2 When the unit is not in operation the voltage across the 12 V line may drop to 7V 157 6 Contr le de la C I principale circuit d alimentation V rifiez si le c ble de raccordement est Du 35 V est il mis ala Non broche et du 0 V la d connect ou inversement connect broche de CN3 V rifiez si la principal de l unit ext rieure est OK Oui Remplacez ICP1 V rifiez si le moteur du d flecteur est mem ICP1 est il normal Moins court circuit e et aussi ICP1 Du 12 V est il missur le de 10 est normal Non Si IC111 Q111 C114 et et du 0 V sur le de gt Au dessus de 10 est saut gt ZD121 sont d fectueux ICP1 ouvert s ouvrira nouveau 114 Oui Oui Remplacez la plaque bornes Le fusible thermique sur la Ins rez bien le cordon de bornier de raccordment gt raccordement fond est il saut ouvert Non Remplacez Q111 IC111 Remplacez IC112 V rifiez si la ligne 5 V est court circuit e et dans ce cas ICP1 est ou
32. 6216 1 001750 c C M 0901 HIM R198 M C217 0902 HIM SAT rror R P ID R199 Vi CT M c218 o 125 c 0903 35 i DUTPUTE R200 wie Mm 1K C zahol o REyERSING m uv n Hel Rea 3 ron R201 0220 nu D SWITCH 1 oN R202 wil C M REOT DE 5 T ande d R203 R602 22210 02128 C C M 0913 M MODEL ed Ts ol le on Re oett Lm vient 802 bats Y HER 9 9 D SELF DIAGNOS 152 R205 604 c224 o 0150 A p a D 9 2 R206 vile M REDE CIM c225 o orso c c M 0916 M ORCIULATOR var Des R207 wife M REO cz26 woo iS 5 pe HII R208 wel C M R607 us igi R209 wafel Mm R608 307 o estemos Des R210 vale M R609 C303 0 1 25 C C M JUMPER LES n y R211 wije Mm R610 cl 04 o cl HE Pun R212 KI RETI cv sivo use en STE Le R213 Wa R612 CIM caoil D R P Goo UNUSE AIP ie i Post m R214 vile M R613 c M uwoo2l unuse 10201 R M e R215 wil c M R615 ATM C801 c M LD302 R M 3 L R216 vile M R616 0502 Uwoos use LD303 R M 2l id Paso gt R217 Wij c M R617 C503 CM 005 USE ALP IC eLecrr P 0 igi 1 Us is C604 E ywoo
33. D flecteur Affranter u de l air Horizontal vertical Fermez Vitesse de compresseur Remarques 1 Le mode de ville d marre lorsq on appuie sur la touche de veille 2 Quand la touche de veille est r gl e le ventilateur int rieur est r gl Sleep Silent FDOY 3 Si le mode op ratoire est chang pendant la veille la temp rature r gl e est effac e et le changement commence partir du point o la commutation a t faite 4 La vitesse du ventilateur int rieur ne change pas m me si le mode vitesse de ventilateur est chang 5 Quand l op ration est arr t e pendant la veille le comptage de la temp rature r gl e l arr t ainsi que de l heure continue 6 Si l heure r gl e est chang e pendant la veille toutes les donn es y compris la temp rature r gl e l heure etc sont effac es et red marr es 7 Si la veille est annul e par la touche d annulation ou la touche de veille toutes les donn es sont effac es 8 Le ventilateur int rieur est arr t quand thermo est en ARRET pendant la veille 9 n y a pas de changement de la temp rature pr r gl e due au temps coul Heating Basic Operation d Bs 5 55 Heating set temperature at remote control set temperature SHIFTW 18 C Dash Fan speed set to auto
34. EZL Is the intelligent power Replace the intelligent power module IPM normal module the main P W B Yes LD301 blinks 2 times Peak current cut Yes Yes Is the reset circuit normal LD301 blinks 1 time gt Normally pin D of J p Replace the main P W B Reset stop CN18 is approx 5V However the unit always resets and stops just after power is supplied this does not indicate fault Make sure again that connectors are connected securely Perform final operation check YLL Yes Is the intelligent power Replace the intelligent power module IPM normal module the main P W B LD301 blinks 2 times Peak current cut Yes Yes Is the reset circuit normal No LD301 blinks 1 time gt Normally pin D of J p Replace the main P W B Reset stop CN18 is approx 5V However the unit always resets and stops just after power is supplied this does not indicate fault Make sure again that connectors are connected securely Perform final operation check SELF CHECK When self diagnosis lamp blinks 2 3 4 and 5 times happen to determine whether compressor faulty or electrical unit faulty please conduct a SELF
35. According to the room temperature and outside temperature heating or cooling operation is automatically selected Refer to the basic opera tion section How is the automatic operation mode determined The room temperature cannot be controlled at an automatic operation It is automatically set as follows At cooling and heating Set at 22 C The room temperature setting can be raised 3 C by A or lowered 3 C by V When on timer has been programmed This is because Nice temperature reservation operation starts before the preset time function is operating This function starts operation has been reached earlier so the preset temperature is reached at the preset time Operation may start maximum 60 minutes before the preset time Does Nice temperature reservation It does not work It works only during cooling and function operate during dehumidifying heating This is because Nice temperature reservation function is operating The start time varies according to the load of room Since load varies greatly during heating the operation start time is corrected so it will vary each day Even if the same time is preset the operation start time varies 131 RAFRAICHISSEMENT AUTOMATIQUE DU DEGIVRAGE Apr s avoir appuy sur le bouton de MARCHE ARR T pour arr ter le chauffage l unit ext rieure continue fonctionner et le voyant FONCTIONNEMENT s all
36. 51 Item Temperature Room Condensation 30 C temperature condition engaged Condensation condition released s Outdoor Condensation w 32 C temperature condition engaged Condensation 33 C condition released Mode de r frig ration de base 000000 Temp rature de la pi ce A TCMAX Temp rature de consigne pour la r frig ration et la d shumidification y valeur consign e l aide de la 4 t l commande SHIFTC 8 amp 8 Bl lt 5 Dash period Vitesse de ventilation r gl e sur auto Vitesse de ventilation r gl e auto Amit Interrupteur Arr t marche arr t Marche Marche Thermo OFF Jugement de thermo Ultra Hi gt LETSE on Vitesse de Med ventilature int rieur Lo Silent Ultra Lo En vitesse de ventilation de consigne dans les cas autres qu auto T moin de fonctionnement Amin Max ae 35 58 28 82 Valeur gE nominale 88 CSTD nin 5 3000 Min WMIN Hi CMIN dans les autres modes 0 Vanne d inversion 3min mode chauffage on WEN _ 15sec 15sec 15sec Lo gt Lo Lo Ventilateur ext rieur Remarques 1 L attaque de r frig ration d marre quand le fonctionneme
37. Bit 0 2 Indoor microcomputer to outdoor microcomputer HIC Outdoor message 96 When reset approx 10ms 3 Communications waveforms Example When the outdoor message is all Os and indoor message is all 1s uus ee SV 34 V 1 frame 100ms 33 3ms x 80 4 95ms 371 35rrs Leader 0 100ms Indoor message Transmit receive switching time 3 4 95ms D 33 3ms r Tin T Jm mm Bit 0 Fig 3 4 Serial Communications Data 1 Outdoor message 000000 Fan 7 step request 1 Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation speed 0 Compressor during operation Compressor during operation Outside temperature 7 MSB Outside temperature Outside temperature Outside temperature Outside temperature Outside temperature 1 Outside temperature 3 Outside temperature Self diagnosis 3 TON Self diagnosis 2 Self diagnosis 1 Self diagnosis 0 LSB Defrost request signal During forced operation Multi bit 1 0 O 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 11 0 1 0 1 0 1 0
38. La minuterie peut tre utilis e de trois fa ons diff rentes en minuterie de mise l arr t en minuterie de mise en fonction et en minuterie MARCHE ARRET ARRET MARCHE Mettre d abord l horloge l heure parce que ce r glage sert de r f rence tant donn que les r glages horaires sont conserv s dans la m moire du bo tier de t l commande la seule op ration qui vous incombe pour r utiliser les r glages horaires actuels consiste appuyer sur la touche I RESERVE 87 COMMENT REGLER LA MINUTERIE DE TEMPORISATION Mettre tout d abord l horloge l heure car son r glage sert de r f rence par la suite se reporter aux pages pour obtenir de plus amples d tails sur la fa on de mettre l horloge l heure Appuyer sur la touche TEMPORISATION pour que les indications de l afficheur changent de la fa on suivante Mode Minuterie de 1 heure 2 7 heures nnulation de la fonction temporisation minuterie de temporisation Minuterie de temporisation L appareil int rieur fonctionnera pendant le nombre d heures programm puis s arr tera Diriger la fen tre de transmission des signaux du bo tier de t l commande vers l appareil int rieur et appuyer sur la touche TEMPORISATION TEMPORISATION Les renseignements relatifs la minuterie apparaissent dans le bo tier de t l commande Le t moin MINUTERIE s allume en m me temps qu un signal sonore est
39. T w T e T e Character No Contents 98 2 Indoor message Character No Contents 4 IPM Intelligent Power Module Fig 4 1 shows the intelligent power module and its peripheral circuit The three transistors on the positive side are called the upper arm and the three transistors on the negative d side the lower arm DC VOLTAGE R004 R003 Id DETECTIVE PK3P RESISTOR 14 DETECTIVE CIRCUIT TE Tk es ohh ag C916 7007 68410940 5V 15 0 900 R907 R909 0501 0501 R513 R514 ov D502 gt IP limiter Micro Computer Fig 4 1 Intelligent power module circuit U is ON is ON 99 4 IPM Intelligent Power Module Fig 4 1 shows the intelligent power module and its peripheral circuit The three transistors on the positive side are called the upper arm and the three transistors on the negative d side the lower arm DC VOLTAGE R004 R003 Id DETECTIVE PK3P RESISTOR 14 DETECTIVE CIRCUIT TE Tk es ohh ag C916 7007 68410940 5V 15 0 900 R907 R909 0501 0501 R513 R514 ov D502 gt IP limiter Micro Computer Fig 4 1 Intelligent power module circuit U is ON
40. T the display The OFF mark starts lighting instead of flashing and the RESERVED ian A sign lights A beep occurs and the TIMER lamp lights on the indoor unit CANCEL gt v EDU mp x m You can set the device to turn off at gt Example The device will turn off at 11 00p m the present time Cop The setting of turn off time is now complete 2 7 1 Press the D ON TIMER button 2 Set the turn on time with the 3 Point the signal window of the remote controller toward the indoor unit and i TIMER control button press the I RESERVE button The device willturn on at the Go gt ON mark blinks onthe The 9 ON mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the 62 TIMER lamp lights on the indoor unit Example p CL ay The device will automatically turn on earlier so that Am op wynn the preset temperature can be reached at 7 00a m lt y UL The setting of the turn on time is now complete J press the 2 setthe turn off time with 3 Press the ON OFF TIMER button TIMER control button button so that the so that the OFF Press the I RESERVE lt OFF mark lights and mark blinks button 2 ON mark blinks ON OFF Timer The device will turn off and off on at the designated times a The switching occurs first at th
41. 2200 min Fichier de donn es de mode Tableau 1 Vitesse de ventilation par mode Indicatif de Valeur requise FEST 6000 min Indicatif de label 6000 min Ultra Lo FWSS 5100 min Silent Sleep FWSOY WJKMAX 4000 min Lo FWS WBEMAX 3500 min Chauitade FWKAF 3500 min 9 CMAX 5000 min i 4200 min R glage de vitesse de ventilateur sur AUTO EW CJKMAX 3400 min i wp LEWH 2900 min glage de vitesse de ventilateur sur Hi FWHH 2400 min Silent Sleep FCSOY SDMAX 2500 min Lo FCS SDRPM 2050 min then Mede NEC WMINHI 2200 min Refrigeration n R glage de vitesse de ventilateur sur AUTO FCAH 2200 min m 2050 min R glage de vitesse de ventilateur sur Hi FCHH 2050 min Silent Sleep FDSOY 2050 D shumidification Lo FDS1 10 C 3000 min 3000 min STARCP3 0 mint 60 sec 90 sec STARTMD 90 sec STARTM2 0 sec STARTM3 O sec 500 min 1 0 SHIFTW 0 33 C 0 33 C 2 00 gt Tableau 2 Valeurs changeantes de temp rature de la pi ce DFTIM_FST 43 min Mode d op ration Valeurs changeantes DFTIM_OTPO 43 min DFTIM_0TP5 50 min Vitesse de ventilation Lo Silent Sleep 60 sec D shumidification SHIFTD TDF412 30 sec 2200 2200 2200 STARCPD2 200 min 60 sec 90
42. 48 T Microprocesseur Y OV Fig 7 1 e L interrupteur auxiliare est utilis pour faire fonctionner le climatiseur lorsque le bo tier de t l commande n est pas disponible Le climatiseur fonctionne dans le mode et la temp rature de consigne pr c demment r gl s Toutefois lorsque l interrupteur d alimentation est plac sur arr t OFF le fonctionnement devient automatique 82 MODEL RAC 35NX2 1 The electrical parts for the outdoor unit is composed of two P W B a power P W B and main P W B and a harmonics improvement circuit as shown in Fig 1 1 MAIN P W B This PW B is equipped with the rectification diode DC fan motor control circuit and the circuits around the micro computer which take various controls POWER PW B This P W B is equipped with the noise filter ICP power circuit interface circuit smoothing capacitor expansion valve control circuit and four way valve control circuit HARMONICS IMPROVEMENT CIRCUIT This circuit is composed of the capacitor at the bottom of the electrical parts box and two reactors attached to the BULKHEAD POWER P W B MAIN P W B IPM A 3 8 5 5 2 E COMPRESSOR z 5 AW z HARMONICS 1 IMPROVEMENT SWITCHING i GROU INVERTER POWER SUPPLY CONTROLCIRCUIT SMOOTHING CAPACITOR Ce INTERFACE CIRCUIT
43. REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY CONTACT YOUR SALES AGENT SHOULD YOU NEED ANY HELP v 1 Lr d Z x WARNING If the earth line is disconnected or faulty unit failure or electric Check to see if the unit s earth line has been connected correctly shock hazard may result WARNING or if the outdoor unit has tilted or become unstable Check to see if the mounting frame has rusted excessively It could collapse or fall causing injury AFTER SALES SERVICE AND WARRANTY WHEN ASKING FOR SERVICE CHECK THE FOLLOWING CONDITION CHECK THE FOLLOWING POINTS If the remote controller is not transmitting a signal Remote controller display is dim or blank Do the batteries need replacement 15 the polarity of the inserted batteries correct When it does not operate Is the fuse all right Is the voltage extremely high or low Is the circuit breaker ON Is the setting of operation mode different from other indoor units ec ee When it does not cool well When it does not heat well Is the air filter blocked with dust 15 the set temperature suitable Have the top and bottom air deflectors been adjusted to their correct positions according to the operation mode selected Are the air inlets or air outlets of indoor and outdoor units blocked
44. f Furthermore during inserting back the connector make sure it surely done Release lock with finger ETS before disconnecting 3 Connector disconnection during discharge is prohibited Disconnecting connector during discharge is extremely prohibited Component on board and fan motor will damage Proceed trouble shooting process after confirming smoothing capacitor of indoor amp outdoor pwb has been discharge 141 Autres pr cautions 1 D connexion du socle des bornes languette Tous les socles connect s a une borne a languette sont dot s d un m canisme de verrouillage Notez que le recours a la force pour extraire le socle sans d gager ce m canisme peut provoquer des endommagements En outre lorsque vous reconnectez le socle veillez bien l ins rer jusqu au bout e Type de socle et proc dure de d gagement du m canisme de verrouillage Iu NEL Bouton de d verrouillage Bouton de d verrouillage Type vertical Type horizontal avec bo tier en plastique Type vertical sans bo tier avec gaine d isolation Tirez en tenant le bo tier Tirez tout en appuyant sur Retirez du haut de la gaine en plastique le bouton de d verrouillage d isolation tout en appuyant sur le bouton de d verrouillage 2 D connexion d un connecteur embarqu Un connecteur embarq
45. n u 000 nu ooo fan B Rum onu m _ _ m um 00000 00 10 10 p ooo n inm onn 0 on po mmmn n m amm 8 E __ 000 on 0000 o o 420 m 20000000 n oo Rum mura m na amm mom onn 0000 olm m 000 m 0000 o on oo 0 00 m i food do oo 000 Jooo ooon njom mom um Imanu 00 monnmnnum n 0000 0000 um 00 0000 ooo Inna 0050 __ 00000000 mmm DU p m 10100 0000 00 0400 D 00 mmmn 0 foo Dn lnnnmu in omp cm HEN o nn mmmn __ 0 00 _ hm Dum _ 000 90 mnnm n 00 inum 10000 00000000 pum auum m E E 000 fan olm oof mm nun nmmn p oo mon B EE porco jun n om Jo um 000 m oo co bonomo nun poma np Eee 0000 000 coon z l 0000 oog D 00 0000 000000000 DDD yim 0 m EH nni EE Be LE comm nma L_a 1 nap B B unu 0000 nnno Innn
46. 75 2 Reset Circuit NORMAL HI RESET LO 7 RES Microcomputer 8 c R552 T La a 5 G 8 T E e 1C521 Fig 2 1 Power OFF Power ON Voltage Voltage supply to pin 2 of 12521 Reset release at 4 4V Reset enter at 4 2V Voltage Voltage at pin 7 5 0V of microcomputer Fig 2 2 The reset circuit initializes the microcomputer program when power is ON or OFF Low voltage at pin D resets the microcomputer and Hi activates the microcomputer When power ON 5V voltage rises and reaches 4 4V pin 1 of IC521 is set to Hi At this time the microcomputer starts operation When power OFF voltage drops and reaches 4 2V pin 4 of IC521 is set to Low This will RESET the microcomputer 78 3 Fan Motor Drive Circuit CN10 35V line 4 448 OV 2 computer 5V line lt M Indoor Fan gt W D PWM Output L751 R751 C751 Fan Motor D Y OV FM Rotation 44 W No Feedback R631 C631 M Fig 3 1 The waveform of NE voltage at the point T1 2 Low No of rotation T2 High No of rotation At T1 The waveform of voltage at the point The waveform of voltage at the point T i Fig 3 1 e The 15 7 k
47. D o 00995900000 Bunun s S tB B y B B 09000000 8 AL Eme 9 000 T i 004041 00 i 0 La i mm mm ig B TB B 000 8 00 00 00 5 Of B i O lal d I 00 gu de em d 004000 Eri B d d del m B 38 BEL 000 m AR Or Ek t H rj 0001 4 ei Dt TT s d 02520 ES i ea Da ss el 835383 BTBT E haiie ud 1 00 20000 ES P 00 2000 ID m 00000 pv cs ee T t m m 00 0010 I E 00000 010111010000000 Hi i B 0 g H _ 0090220 000 oo Des n b gt EED om n 0000 B 0000 moon o d aL non Y mm O B E gt om LH 00 oo O Thos g m B B 2609005090 I 0000 000 B BB I i Li gogo IDD 1 T ae ran 0000 an L mo R JOUE wu d d 000 y 000 LI E 000 x 000 00 000 00 om CL 000 0000 00 Donummon mm Dun 000 m a maman 00 8 boom E 00 KN 0400 ooo mo B 38 75 00 8 am 14 oo 00 _ mm nm amm EE umm amma am E anum oum nomm 8 EB a
48. Never operate the unit for more than 5 minites Electrical box cover Cautions Unit top cover DC VOLTAGE CHECKPOINT DC VOLTAGE CHECKPOINT SERVICE SWITCH 1 If interface signal DC 35V terminals C and D are not connected when the outdoor unit is in forced cool mode the outdoor unit defect indicator LD301 will blink 9 times during operation to indicate communication error 2 If checking is done with the compressor connector disconnected the unit will stop and LD301 will blink 4 times Be sure to push the service switch for a second again to stop the forced cool operation HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY 1 Connect the large dia pipe side and small dia pipe side service valve using a pipe D Connect the small diameter service value and the large diameter service valve using the reducing union and copper pipe as shown on the right Charge refrigerant of 300g after vacuuming 31 Outdoor unit
49. Si le climatiseur est arr t la suite d un r glage de thermostat ou cause d une fausse manoeuvre et qu il est remis en route il se peut que la r frig ration ou le chauffage ne reprenne qu apr s 3 minutes Ce ph nom ne est normal et d un relais temporis Ce relais temporis a pour r le d viter que le fusible ne fonde ou que des composants ne soient endommag s par une remise en service accidentelle Ce climatiseur ne doit pas tre utilis pour r frig rer une pi ce lorsque la temp rature ext rieure est inf rieure 10 C 147 Ce climatiseur ne doit pas tre utilis lorsque la temp rature ext rieure est inf rieure 15 C 5 F En effet dans ce cas l changeur de chaleur ext rieur g le et le rendement chute consid rablement Quand l changeur de chaleur ext rieur est givr les gaz chauds peuvent entra ner une vaporisation de l eau accumul e sur la face avant Ce n est pas un probl me si ce moment l le ventilateur s arr te et il se peut que de la vapeur se d gage de l changeur de chaleur ext rieur SPECIFICATIONS CARACTERISTIQUES GENERALES MODEL MODELE RAF 35NX2 RAC 35NX2 FAN MOTOR MOTEUR DE VENTILATEUR 20W DC35V 40W DC380V CONDENSATEUR DE MOTEUR DE VENTILATEUR PROTECTION DU MOTEUR DE VENTILATEUR FAN MOTOR CAPACITOR FAN MOTOR PROTECTOR COMPRESSOR COMPRESSEUR ASCO0O92CD A8JK PROTECTION CONTRE LES SURCHAUFFES YES OVE
50. The logic waveform during the operating of the expansion valve is shown in Fig 9 2 Lead Table 9 1 Drive status wire 1 2 3 4 5 White ON ON OFF OFF OFF Yellow OFF ON ON ON OFF Orange OFF OFF OFF ON ON Blue OFF OFF OFF OFF OFF Operation mode 1 gt 2 3 4 5 6 7 8 VALVE CLOSE 8 gt 7 gt 6 gt 5 gt 4 gt 3 gt 2 gt 1 Pin No VALVE OPEN 200ms 9 Electric expansion valve control circuit POWER P W B MAIN P W B 5V l CN15 Bas B 12V B 12V 8403 R404 EE R401 1 8 Microcomputer 4 8293 4 45 p D 89 Valve x PQ402 R294 1 3 DTS 2 0 Vaives Electric 403 R295 L ____ 2 49 4 41 Valve2 valve 404 1 7 6 OHO Le 42 Valve1 zzt CN4B Temsa L DOO Ld B OV Fig 9 1 To drive the expansion valve use the B 12 V output Use 4 phase coil and feed power to the phases 1 and 2 then switch over the filed poles to control the opening of the valve The reference between conducting phase switch over direction and the open close direction are shown in Table 9 1 When the power is turned on approx 0 9 V is ap
51. Thermo Thermo Start Stop switch Start Stop OFF Stop Start OFF gStop Thermo judgment Defrost signal 3min Room temperature outdoor temperature gt it is Ultra high speed when it is RTOSTA Preheating judgment Praheaing released released Ultra Hi Indoor fan Med E Lo Control by heat exchanger temperature Control by heat exchanger temperature Silent Sleep Control by heat xchanger temperature Contr l heat exchanger temperature Control by heat exchanger femperature Ultra Lo i Operation lamp RPMKEP gt M Preheating period is WMAX WMAX WMAX 2 Preheating period is WMAX palo STARCPL Min WMIN Compressor speed 15sec Outdoor fan Reversing valve heating on mode Notes 1 Hot dash is engaged if the difference between the room temperature and set temperature is equal to that between the room temperature at which the compressor reaches maximum speed and set temperature A TWMAX and the room and outdoor temperatures are less than 10 C when the fan speed is auto operation is started at Hi or the fan speed is changed to Hi during heating 2 The maximum compressor speed period during hot dash is finished when the room temperature reaches the heating set temperature including heating shift plus SFTDSW 2 when the thermo is off 3 The thermo OFF temperature
52. When frost forms on the outdoor heat exchanger the temperature at the exchanger drops abruptly Therefore the resistance of the Defrost thermistor becomes high and the voltage at pin of microcomputer drops If this voltage becomes lower than the set value stored inside the microcomputer starts defrosting control During defrosting operation the microcomputer transfers the defrosting condition command to the indoor microcomputer via the circuit interface The microcomputer always reads the outdoor temperature via a thermistor microcomputer pin 64 an transfers it to the indoor unit thus controlling the compressor rotation speed according to the value set at the EEPROM in the indoor unit and switching the operation status outdoor fan on off etc in the dehumidifying mode The following shows the typical values of outdoor temperature in relation to the voltage Table 7 1 Outdoor temperature 10 0 10 20 30 40 R303 Voltage V 1 19 1 69 2 23 2 75 3 22 3 62 lt Reference gt When the thermistor is open in open status or is disconnected microcomputer pins 62 64 are approx OV when the thermistor is shorted they are approx 5 V and LD301 blinks seven times However an error is detected only when the OH thermistor is shorted in such a case the blinking mode is entered 12 minutes after the compressor starts operation 119 7 Temperature Detection Circuit
53. and shapes the signal and outputs it 79 4 Circuit d avertisseur sonore 12V Microprocesseur Bes z 62 l l Sortie avertisseur 1 l l Fig 4 1 Circuit d avertisseur sonore Lorsque l avertisseur met un signal sonore une onde rectangulaire 3 9kHz environ est appliqu e sur la broche de sortie 60 du microprocesseur Lorsque l amplitude de ce signal est r gl e 12 Vc c par un transistor le signal est appliqu l avertisseur L l ment piezo lectrique que comporte l avertisseur oscille et produit le son l ment Membrane m tallique piezo lectrique U27272722727222222222 N Ondes sonores V V _ we Si u un Fig 4 2 Fonctionnement de l avertisseur sonore 5 Circuit de r ception 12V Q212 R216 4 ANN R215 Voo atj R217 R611 z ET tN a OU V AAA AAA 13 IP R CEPTEUR A N GND Microprocesseur e e V OV OV Fig 5 1 Le module de r ception de lumi re re oit un signal lumineux infrarouge mis par la t l commande Il amplifie ce signal et le met en forme avant de l appliquer au microprocesseur 80 6 Initial Setting Circuit IC401 When power is supplied the microcomputer reads the data in IC401 2 and sets the preheating activation value and the rating and maximum speed of the compressor etc to
54. flashing Replace the battery Turn on an AM radio bring the remote control switch within 15 cm of the radio and press the ON OFF button V Does the radio buzz noisily Yes Check the LED D1 with a multimeter Buzz NX Check the indoor unit signal receiving P W If it is good check the main P W You can check the remote control switch by AM radio other methods as explained below Using the test card Ultra redray test card Sensible area n Check functions again Within 2 cm If it does not work replace the remote controller The sensible area should flash in orange when you operate the remote control unit if it is good 178 PRECAUTIONS FOR SERVICING Be sure that the power switch is turned off or the power cable is disconnected before servicing Removing the P W B s System Configuration of Outdoor Unit Electrical Parts The outdoor unit electrical parts consist of two P W B s as shown in the figure lt Main P W B M board gt Contains a rectifier circuit and inverter module their controlling microcomputer and microcomputer peripheral control circuits The board incorporates high and low current sections lt Power P W B P board gt Contains a switching power circuit noise filter power fact
55. Compressor 1 1 Reversing Large dia service valve Reducing union 477 2 8 and 3 8 1 Copper pipe 1 2 8 1 Small diameter service valve a Parts to be prepared N 1 Reducing union 2 8 6 35 mm 3 8 9 52 mm 2 Copper pipe 2 8 and 3 8 J Do not operate for more than 5 minutes The operation method is the same as How to operate using the connector to servicing the outdoor unit x1 The charging amount of 200g is equivalent to the load in normal operation 184 IPM Intelligent Power Module DIAGNOSIS SSM1001MA Circuit diagram of O Collector the device Emitter Circuit diagram of the module Terminals symbol mark of the module X See next for measuring value using multimeter 24 32 302826 29 Fail signal 31 29 27 25 35 INVOV 36 0V 37 N 39 W 40 V 41 U 42 185 IPM Intelligent Power Module DIAGNOSIS SSM1001MA Circuit diagram of O Collector the device Emitter Circuit diagram of the module
56. P Rat 15 Al EEA C M 0006 082 D10X860 MODEL 5 R42 vss Vi A 9 R284 2 CL M C007 DBS 0104880 TLP421 T 3 R285 4 7K 2 C M C008 C R P 2 TLP421 HIP R286 s C009 002 16 46 PO401 TLP421 RTT n D R45 2204 5 2 R287 1 8K 2 C M C010 DEE 1646 0402 TLP421 4 5 k R46 5 2 R288 51K 5 C011 16H46 20403 rLP421 P dh ov R47 470 R289 s 1K 5 c M C012 c R P PQ404 R290 5 hre c M 013 RLAZ paroi 421 R291 5 tt c M rus i gt R292 skf 2 t 3 R293 390 5 M 6027 H sz late COILS INDUCTORS R294 390 5 C M C022 GIE ZIE E lt 8295 3901 5 0028 H s ee RATING 2 uv ET z R296 sso ss C M PREMIT Toot M Ln ci z 25 R237 sw cl M C100 1002 afp 280 beul af gt PB ele Al R298 s 1 5 C M C101 HEIN 032 AG017 L003 RO04 260410 102 c c w Yun a 96 T Al P R300 C110 m poor 1558120 156 ELP N 006 11 R301 C M nam HT P T oy 2 R007 Tool 5 R302 grom L fue p zot Ns RoOg 240 69 t Al gt R303 200 01 LgOT RRVFST
57. is ON 100 Intelligent power module switches power supply current according to position of the compressor motor rotor The switching order is as shown in Fig 4 2 At point U is ON Vis ON circuit in Fig 4 1 At point U is chopped OFF V is ON circuit in Fig 4 4 vt wt a vt Upper arm gt Lower arm b il 7 v7 W T Fig 4 2 Switching order of power module Upper arm transistor is controlled to ON OFF by 4 8kHz chopper signal Rotation speed of the compressor is proportional to duty ratio ON time ON time OFF time of this chopper signal Time T in Fig 4 2 shows the switching period and relation with rotation speed N of the compressor is shown by formula below N 60 2 X 1 T Fig 4 3 shows voltage waveform at each point shown in Figs 4 1 and 4 4 First half of upper arm is chopper second half is ON and first half of lower arm is chopper second half is ON U transistor chopped U transistor ON Voltage at amp H 280V 300V lt Chopping period Chopping period 208u sec ON Upper arm transistor Current at 8 Fig 4 3 Voltage waveform at each point When power is supplied Ut V because of that U is chopped current flows as shown below 1 When U transistor is ON U transistor U coil gt V coil gt V transistor DC current detection resistor gt Point B Fig 4 1 2 When U transistor is OFF by inductance of
58. nA M BLACK A T T T RUT Li BLUE rig i gt Le LJ Sil os ITABI EI 1001 T R007 RL2 8 8 Le jeu lz Erm 8 in RED eE TO MICROCOMPUTER i TABO1 i PURPLE eng z ORANGE M toe is T SWITCHING berte 012 C007 POWER i SUPPLY C013 C008 Fig 2 1 Main parts 1 DB2 The DB2 rectifies the AC voltage The possible causes for the DB2 failure are as follows The 15 A fuse may be blown out or the IPM for the main P W B may have a failure In such a case check the 15 A fuse for blowout and replace the main P W B if necessary 2 L1 C023 and L2 The DB3 L1 C023 and L2 shape waveform of the input current When the current runs through the L1 is taken for 1 and the current runs through the L2 is taken for 12 as shown in Fig 2 2 11 becomes an input current to the capacitor which peak value was crushed by the L1 and 12 becomes a resonance current which causes the LC resonance using the L2 and C023 By combining the 1 and 12 the input current from the main power shapes a waveform shown in the right side of Fig 2 3 indicating that the waveform is similar to sine wave The more the waveform is similar to the sine wave the lower the harmonic current becomes If the C023 has any failure the protection unit activates and the C023 in open mode In such a case replace the failed parts DB3 L1 l ls DD Er NJ F p l2 C023 L2 12 Fig 2 2 Fig
59. portez un bracelet conducteur Reliez le bracelet une r sistance de 1MQ et celle ci la terre par l interm diaire d un conducteur 3 Veillez en outre ce que vos v tements ne viennent jamais en contact avec le composant m me si votre corps est reli la terre 4 D posez le composant sur une surface m tallique correctement mise la terre 5 Sous aucun pr texte n omettez de couper l alimentation avant de proc der une r paration sur un circuit imprim Par ailleurs l intervention sur le circuit imprim doit se faire alors que celui ci repose sur une surface m tallique mise la masse Bracelet de mise la terre du corps Bande conductrice Elimik Pince de connexion avec fil de mise la terre Fig 2 Mise la terre du corps dd es 6 Use a three wire type soldering iron including a grounding wire Metal plate of Al stainless steel etc Bare copper wire for body earth Working table Resistor 1MQ 1 2W Staple Earth wire Fig 3 Grounding of the working table soldering iron Grounding wire Screw stop at the screwed part using a rag plate Fig 4 Grounding a solder iron Use a high insulation mode 100V 10M or higher when ordinary iron is to be used 7 In checking circuits for maintenance inspection or some others be careful not to have the test probes of the measuring instrument short circuit a load circuit or t
60. pulse Q0 Sem d TON24 DA IE ON PA Ap 7 DC fan motor with control board 8105 KL C208 bf Microcomputer al 14 R283 3 u 19 je 0v 02015597 3 ovl R298 C FM 60 R106 Tor FG PULSE INPUT This model uses DC Fan Motor which has a controller circuit built in the Motor This DC Fan Motor will rotate by control voltage apply to Vsp input Voltage range 1 7 to 7V DC Vsp high Faster Vsp low slower Vsp lower than 1 7V stop Motor will output FG pulse by following this motor revolution Outdoor microcomputer will output PWM control signal from 05 by following the instruction from indoor microcomputer This PWM control signal will convert to Vsp voltage by smoothing circuit R242 amp C209 Fan motor will start to rotate when Vsp was proceeding over than 1 7V and generate FG pulse by rotation speed FG pulse will feed back to Outdoor microcomputer 5 DC Fan Motor circuit has to match the Fan Motor revolution with instructed revolution Such as FG feedback Faster Instruction Slower Decrease pulse width FG feedback Slower Instruction Faster Increase pulse width FG pulse is also used for Fan Motor failure detection Microcomputer will monitor FG pulse 30 seconds after start the fan motor If there is no signal detected it will consider that the Fan Motor was malfunction and stop the operation In th
61. tre Carrer lt dangereux Coupez l interrupteur lors que l appareil n est pas en marche pour une longue p riode Garner lt uds Gag e Ne montez pas sur l appareil ext rieur ni ne posez a d objet dessus INTERDICTION DE Lorsque vous utilisez votre appareil avec portes et fen tres ouvertes l humidit est toujours sup rieure a 80 et avec le volet d air pouss vers le bas ou bougeant automatiquement pour une p riode prolong e l eau va se condenser sur le volet d air et gouttera Ceci endommagera vos meubles C est pourquoi il est recommand de pas utiliser l appareil dans de telles conditions pendant un long moment INTERDICTION DE Lorsque la chaleur r gnant dans la pi ce d passe la capacit de refroidissement ou de chauffage de l unit par exemple Nombreuses personnes entrant dans la pi ce utilisation INTERDICTION DE d appareils de chauffage etc la temp rature ne peut pas tre atteinte e L unit interne ne doit tre nettoy e que par du personnel autoris Il faut alors contacter le revendeur Ne pas utiliser de d tergents ni de produits semblables vendus dans le commerce pour ne pas ab mer les pi ces en plastique ou boucher le tuyau de vidange ce qui provoquerait une INTERDICTION DE fuite d eau et repr senterait donc un risque potentiel de court circuit PED Ne pas toucher l orifice de sortie de l air la surface du fond
62. 00 00 4000 D 000 oo ojm m D oo n oo ooon u co glmp mn m nnn on onn 000 0000 m nm on 0000 oo m Avertisseur sonore mosse cower Commutateur indican CIE on con on 00 un Dm umm m nno fond _ m BIER 000 000 m 000 000 mo 0 oo 0000 p o 0000 onu m 00000900 o m pun a w Ee 000 D 0000 000 0000 1000 1 0000 0000 000 Pm 00 0000000 p unu Inno 20000000 00000 000 n mm Hooo ooo n 0 um D un pom 000 n nu oo Cavalier one 0 m DID 000 000 m 0000 m 00 m oa ons hoo pom ooo do oo onu 0 oo num 00000000 m mem 51 m 000 loon 0000 000 nim 0000 m Non Utlisz 5 non onu 0 oo oo usd y 000 poo und Dim 0000 000 D nr 0000 oo unm us umu foo 1 10000 _ 00000000 pu nononono 10 000 00 mod le 5H mmu mun n m ooo Olm n m onu poo fda Jop n amon mno Dm iue oo uD ooo n ooo nm mm
63. 002 Branchez l alimentation secteur LD302 clignotera 1 fois Dans 3 minutes appuyez sur le commutateur de test d entretien pendant 1 seconde ou plus Le r sultat de l auto diagnostic sera indiqu LD303 s allumera LIT et LD301 clignotera Reportez vous ensuite au tableau 2 auto diagnostic 6 D branchez l alimentation secteur R tablissez ensuite JWOO1 et JW002 l tat initial aucune condition de court circuit O1 ND Si l tape 6 n a pas t effectu e le syst me ne fonctionnera correctement qu apr s l coulement de minutes apr s le r tablissement de l alimentation lectrique R sultat de l auto diagnostic MODE D CLAIRAGE D AUTO DIAGNOSTIC EB ALLUM 2 CLIGNOTE TEINT TRE RESULTAT DE L AUTO 2 EE M THODE DE R PARATION 112 3 DIAGNOSTIC REDREDRED Hu EDS LECTRIQUE OK CHANGEZ LE COMPRESSEUR l COUPURE DE COURANT DE 2 FOIS CR TE DESACTIVEE CHANGEZ LES CI LE CONNECTEUR DU COMPRESSEUR EST LACHE OU DEFECTUEUX COURANT DU COMPRESSEUR VERIFIEZ L TAT DU CONNECTEUR SI LE CONNECTEUR DU COMPRESSEUR EST BON 7 FOIS V RIFIEZ LE COMPRESSEUR CHANGEZ LES C l DE SI LATENSION CA EN ENTR E EST ANORMALE SUP RIEURE LA TENSION STANDARD DE 10 RESPECTEZ LA TENSION STANDARD EN 10 FOIS TENSION CC ANORMALE ENTREE SILATENSION C
64. 2 Judging operating mode change during operation Conti judgi t Conditions for judgment of the followings 2 Med Operates at Med regardless of Same as at left Set to ultra Lo Lo Med or stop depending on the room temperature and time Set to mode is eeen vey mere ho tihassel d sil h the room temperature stop if the room temperature is 18 C in the ultra Lo mode other than during preseating en tg Operation is stariod again Barore Mournas since ite operation Was cooling is recovered at 18 33 C b Judging method Lo Operates at Lo regardless of the Same as at left Set to Lo in modes other than when the Set to ultra Lo Lo or stop depending on the room temperature and time Set to stop if r eee cl erature which is the sum of the room temperature compressor stops the room temperature is 18 C in the ultra Lo mode other than during preseating cooling is basic ue tem and each type alie e ae by remote controller preset recovered at 18 33 C The fan speed is controlled by the heat exchanger temperature the pius value Ponorul shift value etc iue y overload control is executed as in the following diagram Currently cooling ee Heat hi te it mE Xx ee o Room temperature lt Final preset temperature 2 C Change to heating KAFOF Room temperature gt Final preset temperature 2 C Con
65. After using neutral detergent wash with clean water and dry in shade CC Attach the filters P amp C Close the front panel 1 To close the front panel press the upper center part of the front panel 2 Press at the top left and right corners of the front panel 2 HOW TO INSTALL AND REMOVE THE FRONT PANEL sure to use both hands to grasp the front panel when removing it or attaching it Press at the top left and right corners of the front Grasp the left and right sides of the front panel panel and pull it up to remove Attach three front panel bearings to the axis of Close the front panel the front cover Set the hook to face up 63 PROCEDURE D ASSEMBLAGE ET DESASSEMBLAGE 1 FILTRE A AIR II faut nettoyer le filtre car il aspire la poussi re de la pi ce Veiller nettoyer le filtre toutes les deux semaines pour viter une consommation excessive d lectricit PROCEDURE Comment ouvrir le panneau frontal Pour ouvrir le panneau frontal arr ter le fonctionnement l unit l aide de la t l commande Appuyez ensuite sur les angles sup rieurs gauche et droit du panneau avant Prendre par les c t s gauche et droit du panneau frontal et ouvrir vers soi Enlevez les filtres Enlevez la poussi re des filtres l aide d un aspir
66. As the nature of the failure can be identified by the blinking cycle check the blinking cycle before turning off the circuit breaker Notes SIN In quiet operation or stopping the running the following phenomena may occasionally occur but they are not abnormal for the operation 1 Slight flowing noise of refrigerant in the refrigerating cycle 2 Slight rubbing noise from the fan casing which is cooled and then gradually warmed as operation stops The odor will possibly be emitted from the room air conditioner because the various odor emitted by smoke foodstuffs cosmetics and so on sticks to it So please clean the air filter and the evaporator regularly to reduce the odor Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above inspections Inform your agent of the model of your unit production number date of installation Please also inform him regarding the fault Please note On switching on the equipment particularly when the room light is dimmed a slight brightness fluctuation may occur This is of no consequence The conditions of the local Power Supply Companies are to be observed 95 UTILISATION MOD LE RAF 35NX2 RAC 35NX2 PR CAUTIONS SUIVRE Veuillez lire les Pr cautions Suivre attentivement avant de mettre l appareil en marche afin d en assurer un emploi correct Veuillez tre tr s attentif
67. Hi to Med Set to ultra Lo Lo Med Hi ultra Hi or stop depending on the room temperature Operating mode is judged by room temperature and outdoor temperature or Lo depending on room time and heat exchange temperature Set to stop if the room temperature is 18 C in the temperature ultra Lo mode other than during preheating cooling is recovered 18 33 C 1 Judging by outdoor temperature Auto gt des other th Operating mode is judged by outdoor temperature Tonia a V E When the compressor is running at maximum speed moes ofer MAN Only when the mode is not restricted by this judgment the judgment by room temperature in the for Cooling during hot dash or when recovered from defrosting left next paragraph will be performed gy a a Outdoor temperature 27 C Restricted to cooling Thermo judgment miin a Un TDTMPH TDSFNP TDSFLH b Outdoor temperature 16 C Restricted to heating Compressor ba i TDTMPM TDSFNP TOTMPL Wen 2 Judging by room temperature n W Heat exchanger Operating mode at start up is judged Initial judgment 4 Runs at Hi until ist Hi or ultra Hi temperature a Conditions for judgment any of the followings thermo after operation an bera 0 When auto operation is started after 1 hour has elapsed since the operation was stopped is started ies O When auto operation is started after the previous manual mode operat
68. INTERDICTION DE Ne jamais mettre l appareil en marche les mains humides car ceci peut constituer un NE PAS MOUILLER risque d accident qui peut tre grave n n X SSP Si l appareil est mis en service en pr sence d quipements de chauffage a o d p trole lampant ou autre assurer un apport r gulier d oxyg ne la pi ce pour cci rec TOUTES LZ viter tout risque de saturation de LES PRECAUTIONS QUI S IMPOSENT S Nedirigez pas l air qui sort du panneau de votre climatiseur directement sur des appareils de chauffage car ceci peut endommager le fonctionnement d appareils tel que la INTERDICTION DE bouilloire lectrique le four etc Veuillez vous assurer que la cadre d installation l appareil ext rieur est bien install en position stable et sans d faut Sinon il pourrait tomber et devenir une source de danger INTERDICTION DE pas laver l unit avec de l eau ni placer un r cipient contenant de l eau sur l unit e interne INTERDICTION DE Il pourrait se produire un contact lectrique qui risquerait de provoquer un court circuit Ne mettez pas de plantes directement sous l arriv e d air car ceci est mauvais pour vos S plantes INTERDICTION DE Q AL Arr ter l appareil l aide de la t l commande et mettre l interrupteur sur OFF avant By nettoyer les unit s Le ventilateur qui tourne grande vitesse dans l unit peut
69. Mer 29 66 2 Judging by room temperature bo TComprassor stopped Heat exchanger Operating mode at start up is judged initial judgment forcibly for 3 minutes Hi or ultra HI temperature a Conditions for judgment any of the followings 1 Runs at Hi until first thermo Van KOLAY When auto operation is started after 1 hour has elapsed since the operation was stopped off after operation is started Med When auto operation is started after the previous manual mode operation 2 Runs at Lo when thermo is Lo When the operating mode is switched to auto while operating at manual mode off b Judging method Room Room temperature 25 C 3 Cooling temperature Hi Operates at Hi regardless of the Set to ultra Hi when the Set to ultra Lo Lo Med Hi ultra Hi or stop depending on the room temperature and Room temperature lt 25 3 C Heating o room temperature compressor runs at maximum time Set to stop if the room temperature is 18 C in the ultra Lo mode other than during 3 C is the fine adjustment value from the remote controller ssc speed and to Hi in other modes preheating cooling is recovered 18 33 C Set to ultra Hi when the compressor is running at maximum speed during hot dash or when recovered from defrosting I 8 16 C 27 Outdoor judging operating mode change during operation Continuous judgmen temperature
70. N anmoins s il est branch sur une unit externe de type multiple le d lai maximum est de 15 minutes se formera davantage de givre si la longeur du tuyau utilis est sup rieure la normale 53 FONCTIONNEMENT EN MODE DE REFRIGERATION Lappareil peut tre utilis en mode de r frig ration quand la temp rature ext rieure se situe entre 10 42 C Si le taux d humidit int rieur est particuli rement lev sup rieur 80 une formation de gel risque de se produire sur la grille de refoulement d air de l appareil int rieur HITACHI Appuyer sur la touche de s lection de mode de fonctionnement pour faire appara tre le mode de fonctionnement REFROIDISSEMENT R gler intensit de circulation d sir e avec la touche PUISSANCE DE SOUFFLERIE de la soufflerie l afficheur fait appara tre le r glage efectu AUTO Lintensit de circulation est r gl sur FORT la mise en fontion puis se commute automatiquement sur MOYEN d s que la temp rature pr r gl e est atteinte FORT R glage conomique parce qu il permet refroidir rapidement l interieur de la pi ce pi MOYEN Silencieux FAIBLE Encore plus silencieux Da Di SILENCE Ultra silencieux R gler la temp rature int rieure de la pi ce d sir e avec les touches de r glage temp rature
71. Outdoor Microcomputers Outdoor to Indoor Communications Outdoor microcomputer Pin 11 OV Indoor microcomputer Pin 5V u eO Pin 5V W Aa ees 4 95ms 33ms Transmit receive 1 frame switching time Fig 3 3 Voltages Waveforms of Indoor Outdoor Microcomputers Indoor to Outdoor Communications 24 1 Outdoor microcomputer HIC to indoor microcomputer Serial Communications Format during Normal Communications Character No When reset Leader 0 approx 100ms 0 100ms 33 3ms T Bit 0 2 Indoor microcomputer to outdoor microcomputer HIC Outdoor message 96 When reset approx 10ms 3 Communications waveforms Example When the outdoor message is all Os and indoor message is all 1s uus ee SV 34 V 1 frame 100ms 33 3ms x 80 4 95ms 371 35rrs Leader 0 100ms Indoor message Transmit receive switching time 3 4 95ms D 33 3ms r Tin T Jm mm Bit 0 Fig 3 4 1 Outdoor microcomputer HIC to indoor microcomputer Serial Communications Format during Normal Communications Character No When reset Leader 0 approx 100ms 0 100ms 33 3ms T
72. T clignote dans l afficheur Minuterie de MISE A LARRET lise en fonction est possible de faire un r pr r glage de mise l arr t de l appareil l heure actuelle MINUTERIE DE MISE EN FONCTION R SERVE ANNULATION Minuterie de MISE EN FONCTION 1 Appuyer sur la touche Mise n MINUTERIE DE MISE EN FONCTION L appareil se mettra en re p fonction pour que le signe MISE EN marche l heure pr r gl e FONCTION clignote dans l afficheur Minuterie de MISE EN FONCTION MISE LARRET 1 Appuyer sur la 2 Introduire l heure de 2 Appuyer sur la touche touche G3 MINUTERIE mise l arr t avec G MINUTERIE DE MISE DE MISE LARRET touche de minuterie EN FONCTION pour que pour que le signe Appuyer sur la touche le signe gt ARR T e fonction ARR T clignote 1 RESERVATION clignote et que le signe L appareil entrera en fonction MISE EN FONCTION s arr tera et s arr tera entrera en clignote aux heures re La commutation se produit tout pu 2 00 gt aw 1020 10 30 d abord pour l heure pr r gl e qui 7 gt De E apparait en premier La fl che qui apparait dans l afficheur indique dans quel ordre les op rations pee de commutation se d roulent 5 00 Comment une programmation Diriger la fen tre de transmission des sign
73. TT um 00 an o oo mi oon num 0004 Jo oo lmun _ ___ 0 oo DDD no nu um n ooo imn nii 0000 ooo 0000 000 0 D joo 0000 0000 nu 00000 0000 0004 0000 Ooo 000 00000 olm oloo m umma ons mn fofo 000 oo 000 000 0000 000 D inu 0000 000 sin D on Dona oo 0000 u 0000 0042 jm um 0000 1000000 mm 0000 100 50 3000000 p jum um bun oo san 1 2 Ionon foo boo bu moo mm n 00000 anam p jum 000 10000 an n m 0000 000 on 2 oon D ini EE ner mnm oo 10 1090 00000 00 9010 D jojo nmm nim nn n Dm ooo nung en a Lu wasan mu olm 0000 numum oon u oo 1 m vi HIPH Ire pes Hm H 000 000 0000 000 p jun 0000 oo jm 0000 0000 unu 00 1000 tT 10000 100000000 p ooo PR un 0000 m olm m oon 0000 oon oo oomoo um fonoonm ooo 0 1000 nuu 0 oo nana 000 00 0000 m 0000 uuu 0000 jon 000 poo 0000 100000000 o m 0000 D oo 00000 1000000 000 um 0000 _
74. frig ration et de d shumidification Il sera impossible d atteindre la temp rature d sir e si la chaleur de la pi ce d passe la capacit de r frig ration de l appareil par exemple s il y a beaucoup de monde ou une autre source de chaleur dans la pi ce FONCTIONS DIVERSES Si la vitesse du ventilateur et la temp rature de la pi ce sont r gl es a l aide de la t l commande avant commencer le fonctionnement manuel et que les touches sont d sactiv es l indication des d finitions s teint au bout de 10 secondes et seul le mode de fonctionnement est affich Si l utilisateur appuie sur cette touche s s pendant que l appareil fonctionne le circuit de protection sera activ et ne fonctionnera donc pas pendant environ 3 minutes Durant le fonctionnement en mode chauffage le voyant qui indique la chaleur de l appareil int rieur clignote et aucun courant d air ne sera envoy pendant un certain temps Il faut utiliser la fonction amp FORT s il y aun courant froid durant le fonctionnement en mode chauffage avec la vitesse du ventilateur amp AUTO ou si l on veut que l appareil fonctionne sans faire de bruit lorsque que la pi ce est chaude Avec la fonction SILENCE la capacit de r frig ration de l appareil sera un peu plus basse PROGRAMMATION DU MINUTERIE MINUTERIE DE TEMPORISATION Sile minuterie est programm l appareil ne fonctionne pas m me lorsque qu elle arrive l
75. i Al P CLM H P 1 R007 100 6 al P R302 t C M gromt NU 8008 240 6 i Al GEEN CLM c200 01 m R304 100 c201 o 1gs c c M D201 DAN20 K 1807 Den ES RITO C M R305 100 C202 0125 cl D202 DAP20 K Leoa H P P ana E R306 100 204 10 04750 c C M D204 pAN202K L804 ci um 383 R103 390 5 C M R307 K c M TERMINAL toy R104 155 206 0 125 D206 DANZOZK rosa c did 14 Cl Raoi 100 5 AE corla 042 0 C C M D208 DAN202K CIM R106 5 ef M R403 208 o 125 DANZOZK LCM RUF 3464 d zajos R RA04 20 0502 DAN202 M SURGE ABSORBERS EPROM R1O8 1 C210 0 047 50 c 5 swt 2117 Rio9 154 5 wil 2 5474 M o D7014 16H46 um m Oo R502 2 lt 5 c M C M 0702 pne RATING gig D kii sf uv t RS03 CIM C213 0 047 50 C M VST ua R195 Rs04 ze c214 o oes 2s C C M D801 1891207 K vsz 110 R196 505 5 215 o 25 vsa 5 X 0 4 R197 M R506 2 5
76. in order to protect the compressor electronic components and power breaker Overloads are judged by comparing the DC current level and set value Fig 6 1 shows the overload control system configuration and Fig 6 4 is a characteristic diagram on overload judgement values There are two types of control which has named IS OVL and ID OVL 15 OVL is limiting the whole input of this room air conditioner system through the current sensor 1 in order to keep the maximum rating of components by reading total operating current ID OVL is watching and limits the compressor current through the detection resistor which is built in IPM in order to control the compressor reliability Since the compressor reliability is related with its speed the ID OVL value is also linked with the compressor speed Fig 6 2 shows an ID OVL limitation curve All of OVL operation values were programmed into EEPROM memory Compressor Microcomputer EEPROM Motor current ID A D Detection converter resistor Y Motor Amplifier control process Smoother A D 4 Detection transformer CT1 A Whole current IS Fig 6 1 Overload Control System 2412 IPM Detection IN Resistor DC Current Direct Current i E j l 9 8 Q501
77. t coup e puis remise en fonction ou que le HEURE cordon d alimentation at t d branch e puis rebranch e Cette disposition a pour R GLAGE DE MINUTERIE but de prot ger l appareil mais ne signifie nullement qu il est en panne SELECTEUR DE MINUTERIE ll est possible que l appareil cesse de fonctionner et reste arr t pendant au moins 92 MINUTERIE DE MISE EN FONCTION 3 minutes des fins de protection si la touche de s lection de mode a t press e en MINUTERIE DE MISE LARRET n 9 cours de fonctionnement OSCILLATION AUTOMATIQUE Minuterie ou Minuterie de temporisation FONCTIONNEMENT AUTOMATIQUE L appareil d termine automatiquement le mode de fonctionnement CHAUFFAGE REFROIDISSMENT ou D SHUMIDIFICATION en fonction de la temp rature initiale de la pi ce Le mode s lectionn change pas avec les variations de temp rature de la pi ce De toute mani re le mode de fonctionnement ne changera pas si l appareil int rieur est branch e sur une l appareil ext rieur multifonctionnelle ON HITACHI a Appuyer sur la touche de s lection de mode de fonctionnement pour faire appara tre le mode de fonctionnement AUTO D s que le mode de fonctionnement AUTO est s lectionn l appareil d termine automatiquement le mode de fonctionnement CHAUFFAGE ou REFROIDISSMENTen fonction de la temp rature actuelle d
78. the main P W B if necessary 2 L1 C023 and L2 The DB3 L1 C023 and L2 shape waveform of the input current When the current runs through the L1 is taken for 1 and the current runs through the L2 is taken for 12 as shown in Fig 2 2 11 becomes an input current to the capacitor which peak value was crushed by the L1 and 12 becomes a resonance current which causes the LC resonance using the L2 and C023 By combining the 1 and 12 the input current from the main power shapes a waveform shown in the right side of Fig 2 3 indicating that the waveform is similar to sine wave The more the waveform is similar to the sine wave the lower the harmonic current becomes If the C023 has any failure the protection unit activates and the C023 in open mode In such a case replace the failed parts DB3 L1 l ls DD Er NJ F p l2 C023 L2 12 Fig 2 2 Fig 2 3 85 2 Power circuit This circuit is to convert the power from AC which is provided from the terminal A and B to DC voltage And produces an AC current which does not exceed the harmonic amplitude limit of the IEC61000 3 2 When the compressor is stopped the AC voltage becomes about 300 V and while the compressor operates it is about 280 V PW LIMAIN P eenen i 15A FUSE L101 ud t
79. 00 D 4 T 00 00 00 L ol 0000 8 000 8 B 0 op 8 Du 430 000 J Z Z _ lt EN 2 TETE ooo gleele B m 4 hal r 8 E EUR man pal Pal Bu po pa p B tom nn Thermistance w pond d changeur F p OO0 T l commande Filaire de chaleur D 5 B 38 Bet Fr nnn Ot gt Fr aa oooo oo D e pe m 0000 8 DO mi a I ERI din T 0000 klom EEE mk Emi TT ian al Cru Themristance 0000 Less 3 1 ge ee el Hs alalala RERITIACEER cerca E 1 de la pi ce 000 m H TB mann zum Loo Tiu 00400490 00 1000 i In 00000 5 e 5 00 t EE en Eni 00 90 00 En phase temminaleQO0000 00 E criture de donn es gt Indication Circuit Imprim C temp rature de la 0000 en ES H E E EN T D i ZIEN 8 essai 8 B glisie Sen am tr Joo Ot 5 B En gt 100 Bg re l Ed 5 8 1 m is v Is lt 0 BROCHE TEST B 0000 nm B EJEJES ESTER LLL Tn ule 8 b m wn po B dn na 8 B 000 E HEB ooo 0 0000 000 mu
80. 1 1 1 ATTENTION E toor 400uF x2 Compressor 1 N oubliez pas que la motor ligne OV est port e 4 320 360V par Control OV line 3 rapport au potentiel Sp de la terre Main P W B N oubliez pas qu il faut environ 10 minutes apr s l arr t de l alimentation pour que les tensions deviennent nulles dos O175V s Point B OV line Grounding Voltage at point A Ne touchez pas le coffret de l oscilloscope et vitez ATT E N T O N que des pi ces m taliques ne viennent son contact DANGER Ne reliez pas Ne reliez pas terre l oscilloscope la terre N oubliez pas que des tensions lev es mentionn es ci dessus peuvent se retrouver sur l oscilloscope A 138 DISCHARGE PROCEDURE AND POWER SHUT OFF METHOD FOR POWER CIRCUIT Caution Voltage of about 350 V is charged between the terminal of smoothing capacitors 400uF x 2 During continuity check for each circuit part of the outdoor unit be sure to discharge the smoothing capacitors Discharge Procedure Turn off the power of the indoor unit or pull out the power supply plug After power is turned off wait for 10 minutes or more Then remove electrical parts cover and apply soldering iron of 30 to 75 W for
81. 15 seconds or more to TAB3 GRAY and TAB4 RED terminals on the main P W B as shown in the figure below in order to discharge voltage in smoothing capacitor Do not use a soldering iron with transformer Otherwise thermal fuse inside transformer will be blown LEAD WIRE E rd E bJ 9o SOLDERING IRON 30 TO 75W 139 DISCHARGE PROCEDURE AND POWER SHUT OFF METHOD FOR P
82. 5 5 WMAX E WMAX 2 PEU de piseheufiaga e Vitesse nominale WSTD gt 8 E STARCPL g Min WMIN 3min 15sec Ventilateur ext rieur Vanne d inversion mode CHAUFFAGE Remarques 1 L attaque de chauffage est engag e si la diff rence entre la temp rature ambiante et la temp rature r gl e est gale celle entre la temp rature ambiante laquelle le compresseur atteint la vitesse maximale et la temp rature r gl e TWMAX et que les temp ratures ambiante et ext rieure sont inf rieures 10 C quand la vitesse du ventilateur est auto le fonctionnement commence Hi ou la vitesse du ventilateur passe Hi pendant le fonctionnement 2 La p riode de vitesse maximale du compresseur pendant l attaque de chauffage est finie quand la temp rature ambiante atteint la temp rature de chauffage r gl e passage au chauffage y compris plus SFTDSW ou quand thermo est en ARRET 3 La temp rature thermo en ARRET est la temp rature r gl e de chauffage passage au chauffage y compris plus 3 C Apr s thermo en ARRET l attaque de chauffage se termine et le contr le flou d marre 4 Les temps MARCHE et ARRET minimum du compresseur sont 3 minutes 5 Le temps limite pendant laquelle la vitesse maximale du compresseur WMAX ou WMAX2 pendant le chauffage normal sauf pour l attaque de chauffage p
83. DETECTIVE CIRCUIT Cg i CIRCUIT REVERSING VALVE i CONTROL CIRCUIT Kp m MICRO nnl J COMPUTER THERMISTOR ELECTRIC EXPANSION VALVE ad DETECTION CONTROL CIRCUIT CIRCUIT SPESE MET DU NEC J EE Neen j RESET CIRCUIT Fig 1 1 84 2 Power circuit This circuit is to convert the power from AC which is provided from the terminal A and B to DC voltage And produces an AC current which does not exceed the harmonic amplitude limit of the IEC61000 3 2 When the compressor is stopped the AC voltage becomes about 300 V and while the compressor operates it is about 280 V PW LIMAIN P eenen i 15A FUSE L101 ud t nA M BLACK A T T T RUT Li BLUE rig i gt Le LJ Sil os ITABI EI 1001 T R007 RL2 8 8 Le jeu lz Erm 8 in RED eE TO MICROCOMPUTER i TABO1 i PURPLE eng z ORANGE M toe is T SWITCHING berte 012 C007 POWER i SUPPLY C013 C008 Fig 2 1 Main parts 1 DB2 The DB2 rectifies the AC voltage The possible causes for the DB2 failure are as follows The 15 A fuse may be blown out or the IPM for the main P W B may have a failure In such a case check the 15 A fuse for blowout and replace
84. I R513 Power WB ____ R906 ov 29 Eod 8 5 8 Microcomputer ov 0 69 v d 5V 9 ov OV 1 sO ip SV TA 2 6 S ov P 7 36 R248 1 1 R245 1 tE H TR 8 c ov ov ov cn 3 gt CN4B CN4A R222 8 16009 poor R005 8 el 8 8 T ov 8 5 Sr Ap ov ov ov ov gt R287 0208 12V Reset output e iB 15 8 l 1 GEEN 1 ov 4 ela 8 Reset ov ov ov Main P W B ov 1 IS OVL Fig 6 2 The voltage amp circuit amplifies the DC current level detected by the detection transformer CT1 Receiving this the microcomputer converts it to a digital signal and compares it with the internal data to judge whether or not overload control is required Fig 6 3 shows the rotation speed control When the voltage at pin 61 of the microcomputer exceeds the set value the microcomputer decreases the rotation speed of the compressor and reduces the load Welie at microcomputer pin d Rotation speed of compressor Command rotation speed Actual rotation speed Decelerating Accelerating Decelerating Accelerating Fig 6 3 2 ID OVL Fig 6 2 The filter consisting of R245 and C217 removes high harmonic frequencies from the voltage generated by the current flowing to Detection resistor R245 and C217 average the voltage This voltage is then input to IC4 pin 5 and supplied to microcomputer pin 60 The microcomputer compares t
85. Is the fan speed LOW or SILENT During heating the operation indicator blinks and air blow stops E The following phenomena do not indicate unit failure T lt Operatonstate The unit is preparing to blow warm air Please wait lt ln operation gt The outdoor unit is defrosting Please wait Hissing or fizzy sounds Refrigerant flow noise in the pipe or valve sound generated when flow rate is adjusted Squeaking noise Noise generated when the unit expands or contracts due to temperature changes Rustling noise Noise generated with the indoor unit fan s rpm changing such as operation start times Clicking noise Noise of the motorized valve when the unit is switched on Perking noise Noise of the ventilation fan sucking in air present in the drain hose and blowing out dehumidifying water that had accumulated in the condensed water collector For details consult your sales agent Changing operation noise Operation noise changes due to power variations according to room temperature changes Mist emission Mist is generated as the air within the room is suddenly cooled by conditioned air 21 ENGLISH Steam emitted from the outdoor unit Water generated during defrosting operation evaporates and steam is emitted Odors Caused as the smells and particles of smoke food cosmetics etc present in room air become attached
86. P W B P board gt Contains a switching power circuit noise filter power factor improvement circuit etc The switching power circuit supplies power to electronic circuits on the main P W B through CNB When replacing any P W B disconnect all the cables including ground wires A Main P W B 1 Remove four screws securing the main 2 Open the support latches and raise P W B to the cooling fins and remove the the main P W B in the direction of main P W B from the cooling fins the arrow as shown in Fig A lt Direction of the main P W B removal gt B Power P W B 1 Open the support latches and raise the Open these support latches to power P W B in the direction of the arrow as remove the power P W B shown in Fig A lt Direction of the power P W B removal gt Open these support latches to remove the main P W B 180 C Power Factor Improvement capacitor Designed to improve power factor To replace the capacitor remove the power P W B and then 1 Remove two screws fastening the capacitor seat 2 Slide the capacitor seat in the direction of the arrow Sliding Direction 181 C Power Factor Improvement capacitor Designed to improve power factor To replace the capacitor remove the power P W B and then 1 Remove two
87. SYNC START STARTED FAILURE position CCOMPRESSOR TO STOP THIS OPERATION PRESS OPERATION FAILURE POWER P W B THE SERVICE SWITCH AGAIN MORE OVERLOAD OVERLOAD PROTECTION 00070009 UNIT T EXPOSED 0 DIRECT Y U LOWER FUNCTION IS REQUESTING SUNLIGHT OR ITS AIRFLOW BLOCKED THAN 1 SECOND LOWER SPEED THAN MINIMUMI FAN MOTOROMAIN P W B TO RESUME TO NORMAL OPERATION 5TIMES LI CUTISPEED OF COMPRESSOR VOLTAGE 15 EXTREMELY LOW CUT THE POWER SOUCE ONCE THEN OH THERMISTOR COMPRESSOR OVERHEATIOLEN OF REFRIGERANT OCOUPRESSOR ON AGAIN AU Temp RISE DETECTED BY _ o0H THERMISTOR CIRCUIT IN ORDER TO PROTECT THE DAMAGE 571 THERMISTOR MAIN P W B OF COMPRESSOR DO NOT OPERATE el THERMISTOR ABNORMAL THERMISTOR OTHERMISTOROCONNECT LON MORE THAN 5 MINUTES WITH A ABNORMAL VALUE OPEN OR OF THERMISTOR DEFECTIVE SERVICE VALVE CLOSE TTIMES WAS DETECTED OTHERMISTOR CIRCUIT FA ACCELERATION COMPRESSOR WAS NOT EAK OF REFRIGERANT Lure ACCELERATED MORE THAN SCOMPRESSOR 8TIMES MINIMUM SPEED A rl COMMUNICA COMMUNICATIONS IS WRONG CONNECTED L Pons 15 Praveen As 9TIMES UNIT ARE INTERRUPTED UNIT AND OUTDOOR UNIT ABNORMAL ABNORMAL POWER SOURCE EEDE js WRONG CONNECTED T ens WAS DETECTED OPOWER P W BOMAIN P W B FAN LOCK OUTDOOR FAN RPM 15 OFAN MOTOR ERROR n ROTATE AS INTENDED
88. Tops p c M A R281 100 5 007 2s D R 9 ceis 10ps b C M dee Ses R255 2 lt ss c u C10 0 s c c u 25 712 C M OTO 1 T i R256 5 cn sof cf R gt c917 T0ps p c M 9204 RN402 mL 0102 Rove lt 0 Rit HEDA R257 3K 5 9205 2SC2412K C M NBT ro R2s8 5 ij CIM 1 01 Bo NU e R13 390 59 Vi A P M c21 o c920 c M 9501 7502412 C M ndn lt R260 tahal ctw cza 09211 zsttz14CTZ ele meel an RIS EEKE R261 2 C922 M 0801 25124072 cn m i R262 KA 6923 M Has R20 R263 car ooren C R P SW TRANS 8 e R264 s 1K 5 caz o cfr gt 6930 M RELAY 52 R23 P 265 5 5 C M 7 Ras 266 390 5 1 C C W gt i R25 ioo 5 Vi Al 9 R267 390 5 CIM coal M mg fans EU ix sul cl RLI fom RL2 Fin RLS Fic ite P m m R276 100 s cl m RUE F TI e ESI 277 P R277 100 s wije BER oo i ball R38 1 RIP R278 zool 5 fel CLM C001 ef L Tod gu fw Ane gd e 9 5 z ce E zm R281 5 HERZ 225860 ils
89. When the sleep key is set the maximum compressor speed is limited to CBEMAX and the indoor fan is set to Sleep Silent FCSOY If the operation mode is changed during sleep operation the set temperature is cleared and shift starts from the point when switching is made The indoor fan speed does not change even when the fan speed mode is changed When operation is stopped during sleep operation the set temperature when stopped as well as the time continue to be counted If the set time is changed during sleep operation all data including set temperature time etc is cleared and restarted If sleep operation is canceled by the cancel key or sleep key all data is cleared The indoor fan is stopped while the thermo is OFF during sleep operation There is no preset temperature shift due to time elapse 53 Cooling Defrost TEIOF TEION Cooling defrost signal Indoor heat exchange temperature a Hi Med Indoor fan 2 See basic operation Lo Silent Sleep Outdoor fan 15sec Med Reversing valve Heating ON mode Compressor speed 3 minutes Balance period CMINHI Amin Veille du mode de r frig ration Touche de R gl i7 heures 7hr T moin de fonctionnement T moin de programmateur Voir fonctionnement 9 de base Hi Ventilateur Med int rieur
90. a deed D 008 ST site 23 Fa R20 PQ2 X ni e le s 20021 e 0v 24 irt gt n R10 Fi ME PQ2 C11R05 omputer R3 p fs ure lt 68 MAIN SUPPLY ON OFF 4 Q106 Fig 5 1 In the power circuit for P W B power supply for microcomputer peripheral circuits and IPM driver circuit and as well as DC 35V are produced by switching power circuit DC 330V voltage to high frequency of about 20kHz to 200kHz 107 Switching power circuit performs voltage conversion effectively by switching transistor IC1 to convert 5 Power Circuit for P W B 220 23 0 Fig 5 1 shows the power circuit for P W B gna TT s gt 081 R41 t 60071102 R002 suit m 0008 Ka PANS D20 C 35V gt 2105 R23 le 14X15 D 0V m 0313845 2846 15 i 2006 Z um x B MN 15 0V 31 aa B 12V co7 R25 12 19 002 RO7 1 22 D24 u a deed D 008 ST site 23 Fa R20 PQ2 X ni e le s 20021 e 0v 24 irt gt n R10 Fi ME PQ2 C11R05 omputer R3 p fs ure lt 68 MAIN S
91. ale R280 cos 1500550 C R P R P 5 Ros es s u R gt 251 coa sa W w ROS 5 Vi A 9 R252 5 14 cos 2 gt coral ioles ctw ini R gt cata 10ps D C M R281 EDE Cl m C07 3025 P 10ps p C M n R255 5 33025 bl o s c c u 201 2502412 C M y E R10 R256 M GE o cf R P co17 1012510 0204 1402 L102 R002 e lw E R11 R257 9205 2SC2412K C M A NBT mo R258 ikl 5 c919 o c M S PM 3 GE R259 15 C M c21 amp P 20 01 28 2412 c M F in lt F R260 c23 9211 2701 V R18 BEE NE R261 c24 09221 M 0801 R P wa TI m R262 CIM ceses M PAIE R20 2 5 Al P R263 5 eim cat o oral C R P SW TRANS js k I BAE R264 5 1K 5 C M c32 v oto gt csao M RELAY BE 7 R23 R265 s 1 5 wo rc iid R24 R266 80 5 C M G W SYMBOL MODEL e R25 R267 390 Su C M M RE m UAT RANT ANS
92. and off receiving unit Vy Is the microcomputer reset input pin Check Me reset and repair any defective section Is the microcomputer clock signal N Me vial being Replace the microcomputer and generated normally oscillator Replace the control P W B Perform final operation check 153 VERIFICATION DES COMPOSANTS ELECTRIQUES DE L UNITE INTERIEURE 1 La mise sous tension est impossible aucun fonctionnement Non La tension de 35V CC est pr sente La tension de 220 230V CA est pr sente Non V rifiez le cable de liaison entre entre les bornes C et D du bornier entre les bornes L et N du bornier de l unit int rieure et corrigez toute de raccordement raccordement de l unit ext rieure gt anomalie erreur de raccordement d faut de connexion etc lt 7 Oui La tension de 35V CC est pr sente Oui entre les bornes C et D du bornier de raccordement Corrigez les raccordements 7 Non Oui Non V rifiez le circuit d alimentation et Oui Las jarreti res C et D sont invers es ses l ments connexes et remplacez les l ments d fectueux V rifiez conform ment a la m thode de contr le du circuit d alimentation Les tensions de contr le 12 V 5 V Non sont elles produites normalement lt gt s pu Les d flecteurs d air se remettent V rifiez la indicateurs C I le cordon ils z ro quand le disjoncteur
93. basse provoque un changement rapide des Se servir de cette touche pour mettre l heure et contr ler l heure actuelle Appuyez sur cette touche apr s avoir remplac les piles ou en cas de fonctionnement Se servir de cette touche pour s lectionner le mode de fonctionnement chaque pression exerc e le mode change successivement de la fa on suivante AUTO a s REFROIDISSEMENT et iqu aquelle l appareil doit s arr ter 50 PUTOMATQUE Touche de mise en fonction CHAUFFAGE Permet de choisir l heure laquelle l appareil doit entrer en fonction O DESHUMIDIFICATION Re Touche de r servation R servation de r glage horaire ze REFROIDISSEMENT Touche d annulation R servation de dur e d annulation VENTILATEUR Mesures de pr caution relatives l utilisation de l appareil PUISSANCE DE SOUFLEFLERIE ie ok Ne jamais laisser le bo tier de t l commande dans les endroits suivants o toe plein soleil TEMPORISATION Pr s d un appareil de chauffage ARR T ANNULATION Utiliser d licatement le bo tier de t l commande Ne pas le laisser tomber par terre et le mettre l abri de toute aspersion d eau 1 VISE EN MARCHE RESERVE D s que l appareil ext rieur s arr te il sera maintenu sur arr t pendant 3 minutes D _ MISE EN MARCHE ARRET environ moins que l alimentation ait
94. be restart again after a while In case of Fan Lock Stop even though the DC Fan Motor is rotating correctly the possible cause in Fan Motor problem or control board problem Stop after the Fan motor runs 2 minutes Fan Motor may be broken lt Caution gt Please take care for the electrical shock by high voltage of DC Fan Motor power source which is common with compressor when you are servicing this unit You can not confirm the coil and wiring of Motor directly due to the built in control circuit in Fan Motor 127 lt Reference gt When operation stop with LD301 blinks 12 times it may be caused by faulty DC fan motor In this case please check CN6 and CN12 connection first It makes Fan Motor Lock also if those connectors are in misconnection DC Fan Motor has broken invites 1A Fuse burned Please replace both DC Fan Motor and 1A Fuse together It will makes Fan Lock Stop when something has disturb the Fan rotation by inserting materials into propeller fan or ice has growing inside of outdoor unit by snowing may make Fan Lock Stop by strong wind ex 17m sec or above against the Fan rotation In this case unit will be restart again after a while In case of Fan Lock Stop even though the DC Fan Motor is rotating correctly the possible cause in Fan Motor problem or control board problem Stop after the Fan motor runs 2 minutes Fan Motor may be broken lt Caution gt Please take care for the
95. cifique pour R410A Dans le cas contraire les tuyaux en cuivre risquent de se casser ou il peut y avoir une panne Un interrupteur devrait tre plac suivant l endroit de l installation de votre appareil Sans un interrupteur le danger d lectrocution est pr sent a Ne pas installer l appareil proximit de gaz inflammables En cas de fuites de gaz NEL A inflammables autour de l installation le groupe de condensation risque de prendre feu Les NTERDICTION DE ATTENTION tubes devront correctement tre fix s avec un maximum d espace de 1m entre les supports Veuillez vous assurer que l eau coule normalement lors de l installation du tuyau d vacuation S assurer de n utiliser qu une seule phase de 220V ou 230V pour l alimentation lectrique S L emploi d une alimentation lectrique autre que celle indiqu e peut provoquer une surchauffe et m me un incendie INTERDICTION DE ECAUTIONS SUIVRE LORS D UN D PLACEMENT OU D UNE MAINTENANCE En cas de manifestation anormale comme p ex une odeur de br l teindre l appareil et le d brancher de la prise lectrique Contacter votre revendeur Un appareil qui reste ES en fonctionnement en situation anormale risque de provoquer une panne un court circuit se ou un d but d incendie gt Veuillez faire appel au service de votre agent commercial habituel pour que les op rations de maintenance soient faites correctement Noter qu une maintenance ano
96. eg Press this button after the batteries are replaced or when some irregular operation t Qa am is found kU CUP FUNCTION selector OPN Use this button to select the operating mode Every time you press it the mode EN will change from AUTO to lt HEAT to DEHUMIDIFY to COOL and to FAN cyclically FAN SPEED selector Se AUTO SWING button amp TIMER control HEAT Use these buttons to set the timer DEHUMIEY OFF TIMER button Select the turn OFF time ON TIMER button Select the turn ON time FAN RESERVE button Time setting reservation CANCEL button Cancel time reservation FAN SPEED Precautions for Use SLEEPING Do not put the remote controller in the following places O stop CANCEL In direct sunlight START RESERVE Inthe vicinity of a heater Handle the remote controller carefully Do not drop it on the floor and protect Di START STOP it from water TME Once the outdoor unit stops it will not restart for about 3 minutes unless you TIMER SET turn the power switch off and on or unplug the power cord and plug it in again Q _ TIMER SELECTOR This is to protect the device and does not indicate a failure OFF TIMER If you press the FUNCTION selector button during operation the device may AUTO SWING stop for about 3 minutes for protection VARIOUS FUNCTIONS e there is a power failure operation will be auto
97. ensure smooth flow of water when installing the drain hose Make sure that a single phase 220V or 230V power source is used The use of other power sources may cause electrical components to overheat and lead to fire PROHIBITION PRECAUTIONS DURING SHIFTING OR MAINTENANCE Should abnormal situation arise like burning smell please stop operating the unit and remove plug from the socket Contact your agent Fault short circuit or fire may S occur if you continue to operate the unit under abnormal situation CONNECT EARTH LINE WARNING Please contact your agent for maintenance Improper self maintenance may cause electric shock and fire Please contact your agent if you need to remove and reinstall the unit Electric shock or fire may occur if you remove and reinstall the unit yourself improperly PRECAUTIONS DURING OPERATION Avoid an extended period of direct air flow for your health PROHIBITION Do not put objects like thin rods into the panel of blower and suction side because PROHIBITION the high speed fan inside may cause danger A WARNING Do not use any conductor as fuse wire this could cause fatal accident PROHIBITION During thunder storm disconnect the plug top and turn off the circuit breaker Spray cans and other combustibles should not be located within a meter of the air outlets of both indoor and outdoor units As a spray can
98. est de raccordement et l unit activ et d sactiv r ceptrice de lumi re L entr e de remise z ro du microprocesseur broche est elle Hi V rifiez le circuit de remise z ro et r parez toute section d fectueuse Le signal d horloge du microprocesseur 10 MHz la broche est il produit normalement 154 2 Indoor fan speed does not change others are normal Can the fan be stopped by The microcomputer fan PWM gt remote control pin is Hi Replace the microcomputer Replace the indoor fan motor Replace the microcomputer Perform final operation check 3 Air deflector does not move others are normal Are pulse signals output at microcomputer pins 0 when No auto swing 1 turned onn the fan mode 5 Yes Is a voltage over 15V or below Le 10V being generated on the 12V E Replace IC111 C ine line Check 1 711 If it is normal No replace the air deflector motor Replace the microcomputer Perform final operation check 4 All systems stop from several seconds minutes to several after operation is started all indicators are also off Set to the Hi fan mode The operation lamp lights once and goes out in 5 10 seconds Disconnect CN10 and set to the fan mode again Check to see if shorting etc The operation The operation lamp lights once and goes out in 5 10 seconds lights once
99. et la vitesse de D Appuyez sur les coins sup rieurs gauche et droit Saisissez les c t s gauche et droit du capot avant r frig ration plus lente quand des filtres purificateur d air sont utilis s du capot avant et soulevez ce dernier pour le retirer R gler donc la vitesse du ventilateur sur FORT lors qu il est utilis dans ces conditions Les filtres de nettoyage d air peuvent tre utilis s pendant deux ans Fixer trois supports de panneau avant sur l axe Comment refermer le panneau frontal du couvercle avant Mettre le crochet vers le haut 3 NETTOYAGE DE LA PANNEAU AVANT Panneau avant peut tre lav e l eau Elle peut ainsi rester propre en permanence panneau avant peut tre enlev et lav dans l eau Nettoyer doucement le panneau avant avec une ponge douce Quand le climatiseur doit tre nettoy sans enlever le panneau frontal nettoyer le coffret ext rieur et le bo tier de t l commande avec un chiffon sec et souple l eau compl tement Si l eau reste sur la section de r cepteur ou de signaux de t l comande ceci pourrait causer un d faut de fonctionnement A ATTENTION Ne pas verser d eau sur ou contre le corps de l appareil pendant le nettoyage II y aurait risque de court circuit Ne jamais utiliser d eau chaude plus de 40 C ni benz ne essence acide diluant ou une bross
100. has any failure the control power supply won t operate When the R007 has any failure and a strong rush current is generated the DB2 C021 or C022 may be damaged 87 3 C021 and C022 lt This smoothes the voltage rectified for operating the compressor When the input voltage is taken for the sine wave as shown in the top of Fig 2 4 it is rectified by the DB2 and becomes the waveform as shown in the middle of Fig 2 4 After that the voltage is smoothed by the C021 and C022 and becomes the waveform shown in the bottom of Fig 2 4 DB1 and C41 The DB1 rectifies the input voltage and the C41 smoothes it for the control power supply If the units above have any failure the control power supply won t operate In such a case replace the power P W B 95 gt ao ov C001 to C003 C011 L101 and L102 They absorb electrical noise generated during Fig 2 4 operation of compressor and also absorb external noise entering from power line to protect electronic parts Be sure to connect the earth cable between the indoor unit and the outdoor unit Otherwise the noise filter circuit won t operate properly SA1 and VS1 to VS3 These surge absorber and varistors absorb external power surge such as induced thunder Be sure to connect the earth cable between the indoor unit and the outdoor unit Otherwise the surge absorber and the varistors won t operate R002 and R007 The
101. heure saisie sauf si l appareil regoit un signal de la t l commande Un signal sonore se d clenche et le voyant du MINUTERIE de l appareil int rieur s allume pour confirmer que la programmation du minuterie est termin e Lorsque l on appuie sur la touche TEMPORISATION quand le minuterie ON OFF est programm le mode minuterie de temporisation a la priorit Durant le minuterie de temporisation la vitesse du ventilateur est SILENCE ind pendamment de la vitesse saisie L cran de la t l commande ne change pas m me si la fonction a SILENCE a t choisie 64 INSPECTION R GULI RE VEUILLEZ V RIFIER LES POINTS SUIVANTS TOUS LES SIX MOIS OU TOUS LES ANS CONTACTEZ VOTRE VENDEUR SI VOUS AVEZ BESOIN D AIDE V rifier si l unit est branch e correctement la terre Si le conducteur de terre est d branch ou d fectueux l appareil AVERTISSEMENT peut tomber en panne ou il peut y avoir risque de court circuit S assurer qu il n y a pas de rouille dans le tableau de A montage et que l appareil ext rieur n est pas instable ou AVERTISSEMENT mise de travers En effet elle pourrait dans ce cas tomber et blesser quelqu un SERVICE APRES VENTE ET GARANTIE LORSQUE VOUS DEMANDEZ UN SERVICE APRES VENTE VEUILLEZ V RIFIER LES POINTS SUIVANTS C CONDITION V RIFIEZ LES POINTS SUIVANTS b Si la t l commande ne transmet pas de signaux L cran de la t
102. high air flow low air flow and breeze in the auto fan speed mode Heating operation When operation is started the compressor rotation speed goes to maximum to increase the heating or cooling capability so noise becomes slightly louder This does not indicate a fault Loud noise from the outdoor unit is heard when operation is started The compressor rotation speed changes according to the difference between the thermostat set temperature and room temperature This does not indicate a fault Noise from the outdoor unit occasionally changes There may be a difference between the set temperature and room temperature because of construction of room air current etc Set the temperature at a comfortable level for the space There is a difference between the set temperature and room temperature 133 AU DEMARRAGE Quand le chauffage est d marr le ventilateur int rieur ne d marre pas imm diatement Cela est d au fonctionnement du dispositif de pr chauffage Il ne commencera entra ner le ventilateur tant que le cycle de refroidissement r chauffera et que de l air chaud sera souffl Patientez un moment Un tel ph nom ne peut survenir dans une installation encastr e o la chaleur peut tre mal ventil e Installez l unit aussi pr s que possible de la porte en treillis de sorte que l air ne soit pas court circuit ou pr
103. l commande est teint ou peine visible Faut il remplacer les piles La polarit des piles est elle correcte Lorsque l appareil refuse de fonctionner Le fusible est il en bon tat Le tension est il extr mement lev ou bas L interrupteur le coupe circuit est il en position de marche ON La d finition du mode de fonctionnement est elle diff rente des autres appareils int rieur Lorsque l appareil n assure ni un refrodiss ment ni un chauffage M Le filtre est il bouch par la poussi re La temp rature est elle appropri e Les d flecteurs en haut et en bas ont ils t r gl s dans les positions respectives conform ment au mode de fonctionnement s lectionn Y t il des obstacles aux orifices d entr e ou de sortie de l air de l appareil int rieur ou ext rieur Le ventilateur est il la vitesse FAIBLE ou SILENCE J W Les ph nom nes suivants n indiquent pas un d faut de l appareil En mode chauffage l indicateur de fonctionnement L appareil se pr pare souffler de l air chaud Attendre fonctionnement clignote et l appareil lt Fonctionnement gt cesse de souffler de l air L appareil ext rieur se d g le Attendre Chuintement ou sifflement Bruit d au r frig rant dans les tuyaux ou la soupape cause du flux quand la vitesse de flux est r gl e
104. les gaines en plastique Del eau plus de 40 C car le filtre pourrait se r tr cir et les l ments en plastique se d former 5 Ne pas boucher les orifices d entr e ou de sortie de l air Ne pas mettre un rideau ou autre devant les orifices d entr e ou de sortie de l air de l appareil int rieur ou ex rieur pour ne pas en r duire les performances et provoquer une panne 60 ENTRETIEN AVERTISSEMENT Arr ter l appareil l aide de la t l commande et mettre l interrupteur sur OFF avant de la nettoyer A ATTENTION N est expose pas l appareil a de l eau pour ne pas causer un court circuit Pour nettoyer dedans l appareil d air climatis contacter votre revendeur N utiliser pas des d tergents pour nettoyer l changeur de chaleur de l appareil int rieur pour ne pas en r duire les performances et provoquer une panne Pournettoyer avec un aspirateur s assurer d utiliser des gants pour ne pas blesser les mains avec les lames de l changeur de chaleur 1 FILTRE A AIR Il faut nettoyer le filtre car il aspire la poussi re de la pi ce Veiller nettoyer le filtre toutes les deux semaines pour viter une consommation excessive d lectricit PROCEDURE Comment ouvrir le panneau frontal t Pour ouvrir le panneau frontal arr ter le fonctionnement de l unit l aide de la t l commande Appuyez ensuite sur les angles sup rieurs gauche et
105. malfunction eDefective microcomputer terminal 991 Apply AC220 230V Is AC220 230V being output LD 301 blinks 10 times at terminals A and B on Check the interior wiring Defective power supply voltage the terminal board Yes No Are TAB 1 TAB 2 TAB 3 TAB 4 TAB 5 TAB 6 TAB 11 TAB 12 reactor gt Connect properly and C023 yellow green connected properly Yes Replace the power P W B Possible causes include ePower relay malfunction eDefective microcomputer terminal LOL LD301 blinks 9 times Communication error Is the connecting cable connected properly Is 35V being output on the indoor unit side Are CN3 and CN4 connected Yes Is DC35V being output between terminals C and D Normal DC32V 39V Standby DC18V 23V Yes gt Connect properly Connect CN 3 and CN4 No gt Replace the power P W B Defective SW power supply Is DC35V being output at both ends of R35 Yes Replace the power P W B NF coils IF coils etc may be broken Check the interface circuit and replace the main P W B if needed 891 LD301 blinks 9 times Communic
106. measurement result change the defect part In case electrical is normal and before it can be use modify back JW001 and JW002 as normal condition before conduct a self check In case of service person forgot to release JW001 and JW002 to original condition Case 1 If main power supply continuously ON outdoor microcomputer will keep showing diagnosis result LD303 will ON and LD301 will blinks Case 2 If main power supply OFF at once then switch ON again a Outdoor microcomputer will wait the self check command by pressing test service switch within 3 minutes LD302 blinks 1 time If test service signal input is not received unit will return to normal operation mode after this 3 minutes has lapsed LD302 OFF and LD301 blinks 1 time Case 3 If main power supply OFF at once then switch ON again and on indoor unit by remote control a Indoor unit will receive remote control signal and send signal to outdoor unit For the first 3 minutes outdoor microcomputer will ignore this indoor signal LD302 blinks 1 time b After 3 minutes has lapsed LD302 OFF and LD301 blinks 1 time unit will return to normal operation mode 175 AUTO CONTR LE Lorsque le voyant d auto diagnostic clignote 2 3 4 et 5 fois pour d terminer si l unit lectrique ou le compresseur est d fectueux effectuez un AUTO CONTROLE comme indiqu ci dessous D branchez l alimentation secteur Court circuit entre JWO01 et
107. niveau de l vaporateur minutes jusqu ce qu il Bruit normal quand du r frig rant s coule dans le tuyau Le compresseur peut ne pas fonctionner quand la temp rature ambiante est de 10 C ou moins Pour am liorer l efficacit de la d shumidification un fonctionnement ventilateur silencieux est effectu L air est froid pour cette raison il ne s agit pas une d faillance Se r gle pour ex cuter la d shumidification en r glant la temp rature un peu plus bas que le r glage de la t l commande Cela peut se produire pendant le d givrage Attendez 5 10 minutes jusqu ce que le condenseur soit d givr Au d but du chauffage la vitesse du ventilateur reste LOW pendant 30 secondes Si vous s lectionnez HIGH il passe sur LOW et nouveau sur MED au bout de 30 secondes suppl mentaires Si la temp rature l ext rieur est lev e il se peut que le chauffage s arr te pour prot ger les composants internes 130 AUTO FRESH DEFROSTING After the ON OFF button is pressed to stop heating the outdoor unit is still working with the OPERATION lamp lighting Auto Fresh Defrosting is carried out the system checks the outdoor heat exchanger and defrosts it as necessary before stopping operation Fan speed does not change when fan At this point fan speed is automatic speed selector is changed duning auto operation
108. normal If any error is found after checking remove all loads and recheck each voltage If no error is found in this step the power circuit is normal Check the removed loads If any error is found in this step the power circuit has any failure Replace the power P W B A short circuited load may cause an output error not only in the load but also in the others Be sure to check all outputs of the loads Be sure to wait 15 minutes or more in order to discharge all the remaining voltage in the circuit to connect disconnect the wiring other wise the components may be damaged The failures of the loads are as follows Failed Possible causes Criterion output 35V Reversed connection of the cable Connect the cable correctly Electrical part for the indoor unit has Remove the connection cable and measure the a failure voltage If the voltage is correct check the electrical parts for the indoor unit Short circuited reversing valve Remove the CN2 and measure the voltage If the voltage is correct check the reversing valve 15V DC fan motor error Remove the CN24 and measure the voltage connect the CN3 If the voltage is correct check the DC fan motor Also check the main P W B 1A fuse for blow out in this step Main P W B error Remove the CN3 and CN4 and meaure the voltage If the voltage is correct check the main P W B 12 Main P W B error Remove the CN3 and CN4 and meaure the voltage If the volt
109. out from the right bottom or rear when the unit is viewed from front 6 Keep the clearance shown by lt gt for installation 7 For built in installation keep the vertical deflector at top air outlet as flat as possible If it is inclined too much heat will be trapped in the unit which could cause faulty room temperature control 8 An F cable 1 6mm or 2 0mm dia x 2 control side is used for the connection cable 32 DIMENSIONS DES UNIT S MODELE RAF 35NX2 Unit mm 130 Orifice de canalisation souterraine standard 65 55 T l commande sans fil Coffret V Panneau avant NI 2 7 56 18 Sortie de l air 760 235 19 52 R cepteur inf 681 cepteur infrarouge 109 o o Tuyau de petit diam tre p 6 35 Tuyau de grands diam tre 9 52 A i 8 45 Orifice de canalisation 15 d du c t droite 62 64 62_ Orifice de canalisation du c t parti 121 Orifice p 5 pou fixer au sol Orifice de fixation arri re g 9 pour scellement queue de carpe d aspiration Plus de 150mm Installation encastr e Porte en treillis Plus de 150mm 150mm Sinus ZAAL ar Flexible de vidange Orific
110. reached VARIOUS FUNCTIONS When fan speed room temperature set with the remote controller before starting manual operation and the buttons are released the indication of settings will go off in 10 seconds and only the operation mode will be displayed Pressing the button while the unit is in operation will let the protective circuit work so that the unit will not operate for approximately 3 minutes During heating operation the indoor unit s color indicator lamp may flash with no air emitted for a while 0002 PROHIBITION If you feel cold wind during warming operation with the HI fan speed want to make the unit operation quieter after the room is heated use of AUTO setting is recommended With the a SILENT setting the unit s cooling capability will lower slightly TIMER PROGRAMMING SLEEP TIMER OPERATION When the timer has been programmed the unit will not operate even if the set time is reached unless the unit receives a signal from the remote controller Confirm that timer programming is complete beep and the TIMER lamp of the indoor unit lights If the SLEEP button is pressed while the ON OFF timer is programmed the sleep timer takes priority During sleep timer operation the fan speed sets to SILENT regardless of the preset speed The remote controller display indication will remain unchanged even with the z SILENT setting 20
111. resistor R002 protects the rush current when the power is turned on while the resistor R007 protects the rush current when the compressor starts When the R002 has any failure the control power supply won t operate When the R007 has any failure and a strong rush current is generated the DB2 C021 or C022 may be damaged 88 3 Indoor Outdoor Interface Circuit The interface circuit superimposes an interface signal on the DC 35V line to perform communications between indoor and outdoor units This circuit consists of a transmitting circuit which superimposes an interface signal transmit from the microcomputer on the 35V line and a circuit which detects the interface signal on the DC 35V line Communications are performed alternatively transmitting and receiving 3 1 Communication signal from outdoor microcomputer to indoor microcomputer At first outdoor microcomputer will send a request signal SDO to indoor microcomputer 38 KHz of carrier signal is generated and modulated by the request signal SDO from the outdoor microcomputer pin 41 This signal is superimposed to DC 35V line via C801 and L801 To prevent erroneous reception the outdoor microcomputer is designed so that it cannot receive a signal while it is outputting a request signal The receiving circuit in the indoor unit consists of a comparator and transistor The interface signal from the outdoor unit on the DC 35V line is supplied to C821 where DC components are
112. screws fastening the capacitor seat 2 Slide the capacitor seat in the direction of the arrow Sliding Direction 182 HOW TO OPERATE USING THE SERVICE SWITCH THE OUTDOOR UNIT MODEL RAC E14H2 1 Turn off the power switch 2 Remove the electrical box cover 3 Turn on the power switch 4 After waiting for 30 seconds push the service switch for a second LD303 red will light and the unit will operate in the forced cooling mode at this time Never operate the unit for more than 5 minites Electrical box cover Cautions Unit top cover DC VOLTAGE CHECKPOINT DC VOLTAGE CHECKPOINT SERVICE SWITCH 1 If interface signal DC 35V terminals C and D are not connected when the outdoor unit is in forced cool mode the outdoor unit defect indicator LD301 will blink 9 times during operation to indicate communication error 2 If checking is done with the compressor connector disconnected the unit will stop and LD301 will b
113. sec 20 min 4800 TDF431 120 sec 30 sec FCLN 600 min 250 450 min 550 min FWL 750 min 820 min 980 min 1000 1000 min 450 550 min FCAH 820 min 960 min 1050 min 450 550 600 min 50e Basic Cooling Operation Table 3 Condensation Condition Criterion Value CLMXTP Room temperature Temperature set for cooling and dehumidifying value set by remote control SHIFTC 066 C EE 1 C 0 66 ash period 1380 D OFIMPC Fan speed set to Fan speed set Stan DU Stop Start Stop Start stop switch Thermo judgment Thermo OFF gt pe Indoor fan Med Lo Silent Ultra Lo Engaged in the set fan speed in cases other than auto fan speed Operation lamp Amin _ CMAX Rating CSTD Amin 3000 Compressor rotation speed Min WMIN at Hi CMIN in other modes 0 Reversing valve gt heating on mode 15 15526 15sec Lo Lo Lo Outdoor fan Notes 1 2 3 5 6 8 9 While the cooling thermo is OFF the indoor fan speed is maintained at the preset fan speed Cool dash is started when the operation is started at fan speed AUTO or Hi o
114. temperature thermistor Indoor Outdoor interface circuit Outdoor microcomputer AX 8V11 Power circuit Reset circuit Relay drive circuit Electric expansion valve M Reversing valve control circuit _ r Reversing valve coil BASIC MODE MODEL RAF 35NX2 Operation mode Fan Cooling Dehumidifying Heating Auto Basic operation of Stan stop switch SP Spt Sip start stop switch Operation lamp Start stop switch g Reserve switch Cancel switch Off timer Operation lamp Timer lamp Timer memory 5 5 Off timer during stop Change in reserved time Start stop switch 5 Reserve switch g g 5 Cancel Switch e peration lamp 3 On timer Timer lamp Timer memory e a Change in reserved time during operation Start stop button m Reserve button Cancel button Operation lamp Off gt On Timer lamp PEA On gt Off timer Timer memory PR DP OFF PP Off gt On timer On gt Off timer On gt Off timer Off gt On timer during operation during stop Changes from
115. the body of the unit when cleaning it as this may cause short circuit Never clean with hot water above 40 C benzine gasoline acid thinner or a brush because it will damage the plastic surface and the coating 4 MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Activating air conditioner drying will keep the interior of the indoor unit dry and prevent mold formation off the circuit breaker 18 9 ENGLISH INFORMATION CAPABILITIES Heating Capability This room air conditioner utilizes a heat pump system that absorbs exterior heat and brings it into a room to be heated As the ambient temperature gets lower heating capability will also lower In such a y any other high 3 situation the PAM and inverter work to increase compressor rpm to keep temperature devices z the units heating capability from decreasing If the units heating proximity to the performance is still unsatisfactory other heating appliances should be indoor unit used to augment this unit s performance The air conditioner is designed to heat an entire room so that it may take some time before you feel warm Timer operation is recommended for effective preheating ahead of the desired time Cooling and Dehumidifying Capabilities Ifthe heat present in a room exceeds the unit s cooling capacity for example if there are many people in the room or other heating appliances are used the preset room temperature may not be
116. the unit and blown off into the room again The outdoor unit continues to operate even if operation is stopped Defrosting is underway as the heating operation is stopped the microcomputer checks frost accumulated in the indoor unit and instructs the unit to perform automatic defrosting if necessary The OPERATION lamp is blinking Shows preheating or defrosting operation is underway As the protective circuit or preheat sensor operates when unit operation is stopped during preheating and then restarted or when operation mode is switched from cooling to heating the lamp continues to blink Does not reach the temperature setting Ifthe unit still fails to operate normally after performing the above inspections turn the circuit breaker off and contact your sales agent immediately Actual room temperature may deviate slightly from the remote controller s temperature setting depending on the number of people in the room indoor or outdoor conditions when the air conditioner is used for more than one room at the same time Contact your sales agent immediately if the following phenomena should occur The circuit breaker switches off or the fuse blows oe frequently The switch operation is not stable Foreign matter or water accidentally enters the unit interior The power cord gets excessively hot or its insulation is torn or stripped TIMER lamp on the indoor unit display blinks
117. their initial values e Data of self diagnosis mode is stored in IC401 data will not be erased even when power is turned off 5V 5V 5V C401 8 a a m External ROM 26 SDA C401 OV Fig 6 1 7 Temporary Switch Circuit 5V A Temporary switch Temporary Pp switch 611 G 48 NN 48 st l 9 2 I Microcomputer 0V 0V Fig 7 1 The temporary switch is used to operate the air conditioner temporarily when the wireless remote control is lost or faulty e The air conditioner operates in the previous mode at the previously set temperature However when the power switch is set to OFF it starts automatic operation 81 6 Circuit de r glage initial IC401 Lorsque l alimentation est activ e le microprocesseur rel ve les donn es du IC401 E2PROM et r gle la valeur de d activation du pr chauffage la puissance nominale la vitesse maximale du compresseur etc sur leurs valeurs initiales e Les donn es du mode d auto diagnostic sont enregistr es dans IC401 les donn es ne seront pas effac es m me lorsque l appareil est mis hors tension 5V 5V 5V C401 5 Microprocesseur 67 SCL 1 M moire morte l 26 SDA externe 1 401 E PROM OV Fig 6 1 Z Interrupteur auxiliaire 5V A Interrupteur Interrupteur auxiliaire auxiliaire 611 48 MW
118. touche 0 en pressant la touche de temp rature v Transmission Finissez l effacement apr s r ception du son Pii une seconde Mettez le disjoncteur sur ARRET et finissez Mettez le sur ARRET sans faute Notes e Cette fonction est valide seulement imm diatement apr s la commutation d alimentation MARCHE et ne fonctionne pas si une autre op ration t l commande a t faite ant rieurement Notez que cette fonction peut ne pas fonctionner si les proc dures ci dessus ne sont pas suivies Si elle ne fonctionne pas commutez l alimentation sur ARRET et essayez nouveau e Si rien n est stock dans la m moire la lampe ne clignote pas m me si l op ration de r indication est ex cut e e Apr s l op ration de r indication l op ration de la t l commande ne sera pas accept e apr s l effacement des donn es Commutez l alimentation ARRET pr alablement pour le fonctionnement normal 160 LOL CHECKING OUTDOOR UNIT ELECTRICAL PARTS No operation or abnormal operation Is AC220 230V being generated at terminals L and N Yes If the 15A fuse has blown be aware that other parts may also be defective mainly varistor VS2 fuse gt Replace defective parts smoothing capacitors IPM etc Check to see if C and D cables are connected correctly If reversed or incompletely inserted Power is OK correct the cable con
119. une Clignote 9 fois fois ou 9 fois Mettez l interrupteur de service de P L autodiagnostic du l unit ext rieure sur R frig ration circuit de Le compresseur fonctionne t il communication se fait Apr s avoir v rifi assurez vous Oui la lt s e r sultat est de remettre l interrupteur de service 7 ampe de sur normal programmaleur Clignote trois fois Arifi V rifiez les composants lectriques V rifiez les composants lectriques Verifi zil Cycle r frig ration de l unit ext rieure de l unit int rieure 150 OUTDOOR UNIT Remove the compressor connector IPM INTELLIGENT POWER MODULE LD301 SELF DIAGNOSIS L
120. 0 Compressor minimum rotation speed Compressor minimum rotation spee Compressor minimum rotation spee 4 d 3 Compressor minimum rotation speed 2 d 0 Compressor minimum rotation speed LSB OVL up 15 20 A Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor ON Reversing valve 2 way valve Fan 2 MSB Fan 1 0 LSB Capacity code 3 MSB Capacity code 2 Capacity code 1 Capacity 0 LSB Indoor in operation bit Operation mode 2 MSB Operation mode 1 Operation mode 0 LSB T e w T e T e T e T e e T e T w T e T e Character No Contents OT 2 Indoor message Character No Contents Serial Communications Data 1 Outdoor message 000000 Fan 7 step request 1 Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation Actual compressor rotation speed 0 Compressor during operation
121. 000 00 00 000 1 00 pim 35V 8 0 p KD 0000 0000 BE Bla En LE JEDE 5 1878 L al 145 BL 58 a E 14 FM Rotation No Feedback 15 8 Indoor Fan PWM Output 4 L 4 Fig 1 1 Power to operate indoor unit DC35V is generated at the power supply in outdoor unit and it is sent to indoor unit through the connecting cord C and D Then DC 12V 12V line is generated using DC DC converter from the voltage sent from outdoor unit as the control voltage of 12V is required to drive the auto sweep motor 1 and others Furthermore 5V 5V line which is necessary to drive the microcomputer and to control the fan motor is generated using three terminal regulator 1 121 73 DESCRIPTION DES PRINCIPAUX CIRCUITS MODELE RAF 35NX2 1 Circuit d alimentation 01000 00 00 000 gt t Moteur du ts ventilateur 35V T d int rieur CD B1 8 moo d T Q 2500 0000 ala a als LE 5 028 048 EE 3 He fs C4 sl 71 5 gt Moteur de ventilateur a 00 Rotation N R action 48 8 18 20 Ventilateur d int rieur a PWM Production 1 gt 00 Y Fig 1 1 L nerg
122. 2 3 86 3 C021 and C022 lt This smoothes the voltage rectified for operating the compressor When the input voltage is taken for the sine wave as shown in the top of Fig 2 4 it is rectified by the DB2 and becomes the waveform as shown in the middle of Fig 2 4 After that the voltage is smoothed by the C021 and C022 and becomes the waveform shown in the bottom of Fig 2 4 DB1 and C41 The DB1 rectifies the input voltage and the C41 smoothes it for the control power supply If the units above have any failure the control power supply won t operate In such a case replace the power P W B 95 gt ao ov C001 to C003 C011 L101 and L102 They absorb electrical noise generated during Fig 2 4 operation of compressor and also absorb external noise entering from power line to protect electronic parts Be sure to connect the earth cable between the indoor unit and the outdoor unit Otherwise the noise filter circuit won t operate properly SA1 and VS1 to VS3 These surge absorber and varistors absorb external power surge such as induced thunder Be sure to connect the earth cable between the indoor unit and the outdoor unit Otherwise the surge absorber and the varistors won t operate R002 and R007 The resistor R002 protects the rush current when the power is turned on while the resistor R007 protects the rush current when the compressor starts When the R002
123. 2hr Set to 2 hours Sleep key m SLEEP on the remote Doren o X Hjww Timer lamp Hi Med Indoor fan Lo i Silent basic operation Sieep 5 Outdoor fat J Vertical air Facing up deflector Horizontal Shut Compressor speed Notes 1 2 3 4 The sleep operation starts when the sleep key is pressed When the sleep key is set the indoor fan is set to Sleep Silent FDOY If the operation mode is changed during sleep operation the set tempera ture is cleared and shift starts from the point when switching is made The indoor fan speed does not change even when the fan speed mode is changed When operation is stopped during sleep operation the set temperature when stopped as well as the time continue to be counted If the set time is changed during sleep operation all data including set temperature time etc is cleared and restarted If sleep operation is canceled by the cancel key or sleep key all data is cleared The indoor fan is stopped while the thermo is OFF during sleep operation There is no preset temperature shift due to time elapse La d shumidification Jugement de temp rature de la pi ce Temp rature de la pi ce 1 2 Temp rature de var r frig ration pr r gl e A 38 45 Vitess
124. 3 PUISSANCE DE SOUFLEFLERIE s lection de mode de fonctionnement pour FAIBLE et SILENCE Appuyer sur la touche MISE EN MARCHE ARR T 2 IB Se servir du s lecteur de mode de fonctionnement pour changer de mode de fonctionnement W Le r glage de temp rature d sir e est possible W est galement possible d utiliser le s lecteur de mode de fonctionnement pour choisir ce type de fonctionnement W Fonction de d shumidification La d shumidification s active avec une temp rature objective l g rement plus basse que la temp rature du local Quoi qu il en soit la temp rature objective est de 16 C m me quand la temp rature est r gl e sur 16 C Lappareil cesse de fonctionner si la temp rature du local descend en dessous de la valeur objective tandis qu il se remet a fonctionner si la temp rature du local est sup rieure a la valeur objective Latemp rature ambiante programm e peut ne pas tre atteinte et d pend du nombre de personnes pr sentes dans la pi ce L appareil se d cong le environ toutes les heures pendent 5 10 minutes quand du givre se forme sur l changeur de chaleur de l appareil ext riur Durant le d givrage le voyant de fonctionnement clignote de fa on intermittente en restant allum pendant 3 secondes et teint pendant une demi seconde Le temps maximum pour le d givrage est de 20 minutes
125. 5 HEAT Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting AUTO The fan speed changes automatically according to the temperature of the air which blows out HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Quiet LOW More quiet SILENT Silent Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions lt Press the D START STOP button Heating operation starts with a beep Press the button again to stop operation W As the settings are stored in memory in the remote controller you only have to press the D START STOP button next time E Defrosting Defrosting will be performed about once an hour when frost forms on the heat exchange of the outdoor unit for 5 10 minutes each time During defrosting operation the operation lamp blinks in cycle of 3 seconds on and 0 5 second off The maximum time for defrosting is 20 minutes However if it is connected to multi type outdoor unit the maximum time for defrosting is 15 minutes If the piping length used is longer than usual frost will likely to form DEHUMIDIFYING OPERATION Use the device for dehumidi
126. 5 109 Unit mm m m Wireless remote g 65 Standard underfloor piping position 55 controller Cabinet Front panel 2 147 Air outlet 760 45 52 Infrared receiver lt lt 681 40 K gn 6 35 2 Large dia pipe 9 52 LO 8 5 LA Ag Piping hole 23 Piping hole 15 in left side M Air inlet in right side 15 62 64 62 Lesl 121 g 5 Hole for fixing to floor 640 60 10 1 e i N 60 115 92 29 g 9 Rear fixing hole for than 150mm 559 More than 200mm anchor bolt Built in installation Lattice door Cautions 170 420 g oo 5 5 op g More than More than More than E 100mm 100mm 200mm lt gt 19 Less than 20mm bs Drain hose 65 standard underfloor piping hole position 1 Use insulated pipes for both large and small diameters 2 Use pipes of no more than 20m length 3 Make sure the difference in heights between the indoor and outdoor units is 10m 4 For built in installation make sure that the infrared receiver and indicator are not blocked 5 Pipes can be laid
127. A EN ENTREE EST NORMALE DANS LA LIMITE DES 10 CHANGEZ LES g D L s DELALECTURE CHANGEZ L ALIMENTATION SECTEUR C I Si des anomalies sont d tect es dans les r sultats des mesures changez la pi ce d fectueuse Si l lectricit est normale et avant de pouvoir l utiliser modifiez nouveau JWO01 et JWOO2 l tat normal avant d effectuer un auto contr le Si le technicien oublie de d gager JWOO1 et JW002 l tat initial Cas 1 Si l alimentation secteur est branch e continuellement le microprocesseur ext rieur indiquera toujours le r sultat du diagnostic LD303 allum et LD301 clignote Cas 2 Si l alimentation secteur est d finitivement d branch e rebranchez la a Le microprocesseur ext rieur attendra la commande d auto contr le en appuyant sur le commutateur de test d entretien au bout de 3 minutes LD302 clignote 1 fois Si le signal de test service n est pas recu en entr e l unit heureux basculant mode de fonctionnement normal apr s l coulement de ce d lai de 3 minutes LD302 teint et LD301 clignote 1 fois Cas 3 Si l alimentation secteur est d finitivement d branch e rebranchez la et remettez en marche l unit int rieure partir de la t l commande a L unit int rieure recevra le signal de la t l commande et enverra le signal l unit ext rieure Pendant les 3 premi res minutes le microprocesseur ext rieur ignorera ce signal int rieur LD302 c
128. A fuse and R107 blown Is 15V being generated Check voltage both between CN18 and 5 on the main P W B and between 15V and 15 0V silk screened on the power P W B If no output voltage is present on the power P W B side replace the power P W B Is the fan operating An error occurs after the fan operates for 2 minutes Is the voltage between and at CN24 normal Normally the voltage is above approx DC1 7V Is the voltage between 4 and at CN24 normal Check to see if the voltage is within 2 5V 0 5V using a tester In effect the output voltage is alternately switched between 5V and OV Connect the connector Remove any obstructions Replace the fan motor and main P W B No Yes Replace the fan motor Replace the main P W B GOL Apply AC220 230V Is AC220 230V being output LD 301 blinks 10 times at terminals A and B on Check the interior wiring Defective power supply voltage the terminal board Yes No Are TAB 1 TAB 2 TAB 3 TAB 4 TAB 5 TAB 6 TAB 11 TAB 12 reactor gt Connect properly and C023 yellow green connected properly Yes Replace the power P W B Possible causes include ePower relay
129. AC 35NX2 A03 WRAC 25YH4 A39 WRAC 25YH4 A40 WRAC 25YH4 41 WRAC 25YH4 42 WRAC DIOEX A17 WRAC E14H2 A03 WRAC 25YH4 A45 WRAC 25YH4 A46 WRAC 25YH4 A47 WRAC 25YH4 A48 WRAC 25YH4 A49 WRAC 25YH4 A50 WRAC 25YH4 A51 HWRAC EOSH A14 192 T of J c FS TJ e BUSH NH 1 uH NN 14 NN Lus NN 25 I EA oiov c lt ca Cult 29 2 A gt cn WN gt lt C 29 Do HITACHI RAF 35NX2 RAC 35NX2 AW 0035EF
130. AMPS LD302 LD303 SERVICE SWITCH Check the drive fails wait 3 minutes state press the start sto for the unit to re the PRD checker start and check the Does the unit operate for Check the position self diagnosis lamp approximately 2 seconds the sensor circuit status again LD303 coming on and then stop due to a failure of switching the lamp blinking 4 times Normal No Check the refrigerating cycle Check outdoor electrical parts 151 OUTDOOR UNIT Remove the compressor connector IPM INTELLIGENT POWER MODULE LD301 SELF DIAGNOSIS LAMPS LD302 LD303 SERVICE SWITCH
131. Ban Er 00 B 00 Temporire En LE 000 di a 00 e ium 8 i34 00 00 pan 3B 00000 8 is I B o Ig m B pon lg 0 T oo m 4 4 D sistances Condensateurs Bobine rr Waar F aiar ELLE aie FI var El Vaer LE Ver y vaar H Valeur H 7 HE gaarne Els uwa comme num rique HE pe num rique Ely num rique we mame num rique Ele neque y Els a 526 me am Pa is a a EA mme nee E 5 8 me EN Bs E 5 EE Es um W froma SER isi nil D jn pooo an D m 000 000 DD m g 0 Jon 000 foo sido m m 0000000 jns o 1000 000 000 0000 00 D juu 10000 00 au 0000 P 0 Inna 0000 ou 004040 100000 pu 00 00 000 00 00 Arr 1000 0000 00 D jou nnm 0000 ao D 00 0000 000 00 0000 0000 nuu 0000 nn f ooo __ 00 00 000 0000 p 0 000 400 fon 0 00 000 nu 10000 00 0 0 jm 0000 000 nu 0000 J jogoo 100000000 pu 0000 100000 D 00 oon jan bom 0000 000 an o 1000 mu 0000 nu 0000 ana mr 0000 onu mmn logon f _ 0 0 Du mm
132. CHECK as below Switch OFF main power supply Short circuit between JW001 and JW002 Switch ON main power supply LD302 will blink 1 time Within 3 minutes Press Test Switch for 1 second or more Self diagnosis result will be shown LD303 will ON LIT and LD301 will be blinking Then refer to diagnosis table 2 6 Switch OFF main power supply Then release back JW001 and JW002 to original condition no short circuit condition O1 ND elf step No 6 is not carried out the system will not operate properly until 3 minutes has lapsed after restore the power supply SELF CHECK diagnosis result SELF DIAGNOSIS LIGHTING MODE LIT 2 BLINKING D OFF 0 0 10 SELF DIAGNOSIS RESULT REPAR METHOD 11213 L ELECTRICAL OK CHANGE COMPRESSOR E PEAK CURRENT CUT OFF CHANGE PWBs COMPRESSOR CONNECTOR LOOSE OR NG COMPRESSOR CURRENT CHECK CONNECTOR CONDITION 7 TIMES ABNORMAL COMPRESSOR CONNECTOR OK CHECK COMPRESSOR CHANGE P WB s F AC VOLTAGE INPUT ABNORMAL 10 TMES OVER STANDARD VOLTAGE 10 FOLLOW STANDARD AC VOLTAGE DC VOLTAGE ABNORMAL NPUT IF AC VOLTAGE INPUT IS NORMAL WITHIN 10 CHANGE P W B s LA DN EEPROM READING ERROR CHANGE 13 TIMES In case abnormalities found in
133. Compressor during operation Outside temperature 7 MSB Outside temperature Outside temperature Outside temperature Outside temperature Outside temperature 1 Outside temperature 3 Outside temperature Self diagnosis 3 TON Self diagnosis 2 Self diagnosis 1 Self diagnosis 0 LSB Defrost request signal During forced operation Multi bit 1 0 O 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 11 0 1 0 1 0 1 0 0 Compressor minimum rotation speed Compressor minimum rotation spee Compressor minimum rotation spee 4 d 3 Compressor minimum rotation speed 2 d 0 Compressor minimum rotation speed LSB OVL up 15 20 A Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor command Compressor ON Reversing valve 2 way valve Fan 2 MSB Fan 1 0 LSB Capacity code 3 MSB Capacity code 2 Capacity code 1 Capacity 0 LSB Indoor in operation bit Operation mode 2 MSB Operation mode 1 Operation mode 0 LSB T e w T e T e T e T e e T e
134. EEO002045A ____ uwa EEO003101A EE0003792A EE0003793A RREL00856 _____ 0000127 ____ Lee n 00030608_ EEO003801 003802 _____ EEO003796A ____ RRMNOO818 EE0002937A_ EEOOO3O61A ____ 002955 ____ LZEA100129C BS EEOOO3134A_ EBOO18447A 018449 0021294 _ EBO0184514 EBO017767A EB0018453A 27 H100221A RRPA2542 EB0019610A EB0018512A EB0009583A EE0003698A u sss EE0003742A n EE0003741C EE0003821A RIMDI093 ______ EB0018513A PARTS No RAF 35NX2 E0003062B RMB00819 E0002958A TPH100020A 003637A 003641A 003800A 0002945A IT tj tz E ole C 09 0003101A 0003792A E0003793A REL00856 E0000127A E0003060B E0003801 E0003802 E0003796A RMN00818 E0002937A 0003061 0002955 ZEA100129C B 0003134 EB0018447A EB0018449A EB0021294A EB0018451A EB0017767A EB0018453A 2TJH100221A RRPA2542 EB0019610A EB0018512A EB0018513A EB0009583A EE0003698A S mm E0003742B E0003741C 0003821 WMD1093 190 PARTS NAME no 1 1 1 1 1 1 1 1 1 DRAIN PAN 1 amp L DEF AS R DEF AS 0000000 Cn UTO SWEEP MOTOR S 2 _ mm 1 mm m mm MOTOR ENTIAL FLOW FAN SUPPORT ASSEMBLY COVER MORTOR SUP 5
135. ERRUPTEUR TEMPORAIRE INTERRUPTEUR TEMPORAIRE Silat l commande ne fonctionne pas parce que les piles sont us es appuyer sur ce interrupteur pour faire d marrer et arr ter le fonctionnement Ce fonctionnement temporaire a lieu selon le dernier mode EN fl m saisi L appareil se met tout de suite fonctionner automatiquement quand l alimentation lectrique est activ e DISJONCTEUR Lorsque vous n utilisez pas le syst me de conditionnement d air r glez le disjoncteur sur OFF COMMENT UTILISER EFFICACEMENT CETTE UNIT D AIR CLIMATIS Un r glage moyen de la temp rature de la pi ce est probablement la solution id ale et la plus conomique Trop de froid ou trop de chaleur n est pas bon pour la sant et augmente les frais d lectricit Le fait de fermer les rideaux et les stores vite les courants d air chaud ou la d perdition de chaleur et permet d utiliser l lectricit de facon plus efficace Aa 2 Ouvrir r guli rement les portes et les fen tres pour faire entrer de l air frais A ATTENTION Veiller ce que la pi ce soit ventil e quand l appareil d air climatis fonctionne en m me temps que d autres sources de chaleur 3 Il est conseill de r gler le Programmateur avant d aller dormir ou de sortir 4 Pour nettoyer l appareil int rieur ou ext rieur ne pas utiliser De l essence normale ou de t r benthine et ne pas frotter pour ne pas abimer les surfaces ou
136. ET I s R304 201 o 5 cfm D201 DAN202K CIM Lao elfs rant seis AT P fms RIOT 84 7670 C M R305 C202 0175 0202 RTE 2 Al 8 Pun RI02 3x R306 4750 M D204 DAN202K 804 Gres TITI us 8 R103 390 R307 TERMINAL Tov R104 154 206 c c w DANZO2K CIM Loo clm BOARD ra 105 7x R401 100 5 6207 D2OB DANZORK TCIM PA R108 R403 208 DSOT DAN202K CUM EEE 0 24084 2 R M R404 209 c c M D502 DAN202K ABSORBERS lo R108 1 8X 1 cm C210 C C M do 5 CM EC OK en p kweo marine TEE D LE rie RS02 2 5 C212 EIE 1 RS03 5 C213 Vsi Rain R195 3901 5 cl M R5oalf 2K 5 Cl M C214 0801 1985120 R196 3901 5 c M 505 2x 5 C218 vss feson R197 zel 5 wije M C216 C c M 0901 T Ri98 990 5 217 0902 M SAT R P H RI99 0 5 c M 5 t C 218 0303 u 2 NORMAL 9 6 R200 104 5 C 0219 D R M z REVERSING k Ww u wg R201 5 Vs C M 0220 c
137. F 50NX2 A20 21 JHWRAF 50NX2 A21 22 JHWRAS 25FH6 A02 23 HWRAF 50NX2 A22 _ 24 HWRAF 50NX2 A23 25 HWRAF 50NX2 A24 26 HWRAF 50NX2 A25 27 HWRAF 50NX2 A26 28 HWRAF 50NX2 A27 29 HWRAF 50NX2 A28 30 HWRAF 50NX2 A29 _ 31 HWRAF 50NX2 A30 32 HWRAF 50NX2 A31 33 HWRAF 50NX2 A32 _ 34 HWRAF 50NX2 A33 35 HWRAF 50NX2 A34 36 HWRAF 50NX2 A35 37 HWRAF 50NX2 A36 37 HWRAF 25NX2 A03 37 JHWRAF 35NX2 A01 38 HWRAF 50NX2 A37 39 HWRAF 50NX2 A38 HWRAF 50 PARTS No RAF 50NX2 E0003062B RMB00819 E0002958A TPH100020A E0003637A E0003641A E0003800A E0002945A E0003101B E0003101A E0003792A E0003793A REL00856 E0000127A E0003060A E E R 0003801 0003802 E0005796A RMN00818 E0002937A E0003061A E0002955 ZEA10012 E0003134 B0018447 B0018449 B0021294 B0018451 B0017767A B0018453A TJH100221A RPA2542 B0019610A B0018512A B0018513A B0009583A E0005698A E0003742C 9 E 9 5 T Tj 7 gt gt gt les t tz TJ J yD yp yp 75 5 T 2 E0003741C E0003821A WMD1093 il il co gt X2 A39 40 PARTS No RAF 25NX2 003068 ____ RRMBOOSI9 EE0002958A_ 3TPH100020A ____ 6 ____ ____ EE0003800A ____
138. FAN MOTOR CIRCUIT EEPROM MICROCOMPUTER CANNOT READ READ THE DATA IN EEPROM OMA IN P W B ERROR MEXAMPLE OF TTT wg a tiens nes BLINKING 5 TIMES OF 0 25 SEC IPM 0 INTELLIGENT BG POWER MODULE E di SELF DIAGNOSIS LAMPS 10302 10303 SE RVICE SWITCH 146 1 Troubleshooting procedure No operation No heating No cooling Lighting mode gt Connect U V W phase leads to the Sel Be ud dimos 5 times times times power module again and operate the CHECKING THE REFRIGERATING CYCLE JUDGING BETWEEN GAS LEAKAGE AND COMPRESSOR DEFECTIVE Within
139. Grincement Bruit que fait l appareil quand elle se dilate ou se contracte cause des changements de temp rature Bruissement Bruit d au changement de rotation de l appareil int rieur par exemple au moment o elle se met fonctionner Claquement Bruit de la soupape motoris e quand l appareil se met en marche Bruit que fait le ventilateur en aspirant l air qui se trouve dans le tuyau de vidange Bruit de vide et en soufflant l eau de la d shumidification qui s est accumul e dans le collecteur de condensation Contacter le revendeur pour avoir de plus amples informations Bruit durant le changement de fonctionnement Bruit que fait l appareil quand elle change de mode de fonctionnement en fonction des changements de temp rature de la pi ce Production de brouillard se forme du brouillard lorsque l air de la pi ce est soudainement r frig r par l air climatis 65 FRANCAIS Vapeur mise par l appareil ext rieur Eau qui s vapore durant l op ration de d cong lation Odeurs Elles sont dues aux odeurs et aux particules de fum e d aliments de cosm tiques etc dans l air de la pi ce Celles ci sont capt es par l unit et souffl es de nouveau dans la pi ce L appareil ext rieur continue fonctionner m me si elle est d branch e D cong lation le fonctionnement en mode chauffage cesse le micro ordinateur v rifie la glace qui s
140. HITACHI RAF 35NX2 SERVICE MANUAL RAC 35NX2 TECHNICAL INFORMATION REFER TO THE FOUNDATION MANUAL REPORTEZ VOUS AU MANUEL DE BASE INFORMATIONS TECHNIQUES CONTENTS TABLE DES MATIERES FOR SERVICE PERSONNEL ONLY SPECIFICATIONS EET RESERVE AU PERSONNEL CARACTERISTIQUES GENERALES HOW TO USE UTILISATION INDOOR UNIT CONSTRUCTION AND DIMENSIONAL DIAGRAM 32 UNITE INTERIEURE DIMENSIONS DES UNITES MAIN PARTS 36 PRINCIPAUX COMPOSANTS WIRING 38 SCHEMA ELECTRIQUE OUTDOOR UNIT WIRING DIAGRAM OF THE PRINTED WIRING BOARD 40 UNIT EXT RIEURE SCH MA LECTRIQUE DU CIRCUIT IMPRIM BLOCK DIAGRAM 7 ORGANIGRAMME DE CONTR LE _ BASIC MODE m Ne ERE REIN MODE DE REFRIGERATING CYCLE DIAGRAM 61 SCH MA DU CYCLE DE REFRIGERATION DISASSEMBLY amp ASSEMBLY PROCEDURE 63 PROC DURE D ASSEMBLAGE ET DESASSEMBLAGE DESCRIPTION OF MAIN CIRCUIT OPERATION 73 DESCRIPTION DES PRINCIPAUX CIRCUITS SERVICE CALL Q amp A tee ee 129 MODE OPERATOIRE DE DEPANNAGE RAC 35NX2 TROUBLE SHOOTING ius E TA DETECTION DES PANNES PARTS LIST AND DIAGRAM SS sa Ba at dust 189 SPECIFICATIONS LISTE DES PI CES DE RECHANGE _ CARACTERISTIQUES GENERALES DC INVERTER INVERSEUR C C TYPE TYPE INDOOR UNIT OUTDOOR UN
141. Hz PWM pulse shown in Fig 5 2 from the micro computer 4915 output to point The width of this pulse changes with instruction number of rotations e This pulse changes to analog voltage by R751 and C751 and it is applied to the fan motor as instruction voltage number of rotations The relationship between the voltage of point 8 and number of rotations becomes as shown in Fig 5 3 The gap may arise depending on the condition of unit e The feedback pulse of number of rotation is outputted from the fan motor and input to microcomputer pin 44 The frequency of this pulse is 12 60 of the number of rotations Ex 1000min 1X 12 60 200Hz The microcomputer observes this frequency and to make it as the instruction number of rotation all the time adjusts the output pulse width of pin 40 e If the feedback pulse becomes lower than 100min 1 caused by lock or failure of a fan motor the fan output stops temporary as the fan lock is faulty The pulse will output again after 10 seconds If the abnormal in fan lock is detected twice in 10 minutes the unit is completely stopped and change to the fault mode which the timer lamp blinks 10 times 77 about 1200 Rotation 1 mi gt Voltage of point V Fig 5 3 3 Circuit de pilotage du moteur de ventilateur CN10 Ligne 35V OV lt Microprocesseur Ligne 5 I M Sortie PWM on AM Du
142. IT UNITE INTERIEURE UNITE EXTERIEURE MODEL MODELE RAF 35NX2 RAC 35NX2 POWER SOURCE SOURCE D ALIMENTATION PHASE TENSION FREQUENCE 19 220 230V 50Hz TOTAL INPUT PUISSANCE ABSORBEE TOTALE W 1 090 155 1 460 COOLING TOTAL AMPERES AMPERES TOTAUX A 5 22 4 99 REFRIGERATION 3 5 0 9 4 0 11 940 3 070 13 650 TOTAL INPUT PUISSANCE ABSORBEE TOTALE 1 100 115 1 440 HEATING TOTAL AMPERES AMPERES TOTAUX 5 32 5 09 CHAUFFAGE CAPACITY CAPACITE 4 2 0 9 5 0 14 330 3 070 17 060 CAPACITY CAPACITE 750 91 DIMENSIONS DIMENSIONS 548 288 47 NET WEIGHT POIDS NET 35 After installation Apr s installation SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LES SPECIFICATIONS ET PIECES DETACHEES PEUVENT CHANGER POUR ETRE AMELIOREES ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT JUNE 2010 Hitachi Household Appliances Wuhu Ltd 10 11 SAFETY DURING REPAIR WORK In order to disassemble and repair the unit in question be sure to disconnect the power cord plug from the power outlet before starting the work If it is necessary to replace any parts they should be replaced with respective genuine parts for the unit and the replacement must be effected in correct manner according to the instructions in the Service Manual of the unit If the contacts of electrical parts are defective replace the electrical parts with
143. MER lamp turns off on the indoor unit NOTE If you set the sleep timer when the off time or on off timer has been set earlier the sleep timer becomes effective instead of the off or on off timer set earlier 14 ADJUSTING THE AIR DEFLECTORS 7 Adjustment and downward directions The horizontal air deflector is automatically set to the proper angle suitable for each operation The deflector can be swung up and down continuously and also set to the desired angle using the AUTO SWI of the conditioned air in the upward ENGLISH NG button e If the lt AUTO SWING button is When pressed once the horizontal air deflector heating swings pressed again the deflector stops in its current figure closes may dri original time Use the horizontal air deflector within the adjusting range shown in the right When the x AUTO SWING button is pressed while the operation is stopped the horizontal air deflector moves and stops at the position where the air outlet When the auto swing operation is performed if the horizontal air deflector is moved manually the swinging range Vertical about 50 about up and down If the button is 30 When cooling dehumidifying position about 40 ft However it will return to the operation range after a short 2 Adjustment of
144. OW TO INSTALL AND REMOVE THE FRONT PANEL sure to use both hands to grasp the front panel when removing it or attaching it 5 AIR CLEANSING FILTERS SPX CFH15 When installing the air cleansing filters remove the air filters and attach Air cleansing filters them onto the hooks of the front cover frame The cooling capacity is slightly weakened and the cooling speed becomes Press at the top left and right corners of the front 2 Grasp the left and right sides of the front panel slower when the air cleansing filters are used So set the fan speed to panel and pull it up to remove HIGH when using it in this condition The air cleansing filters can be used for 2 years D Attach three front panel bearings to the axis of Close the front panel the front cover Set the hook to face up 3 CLEANING OF FRONT PANEL The front panel can be washed in water It can be kept clean at all times Front panel can be removed and washed in water Gently clean the front panel using a soft sponge When the air conditioner is to be cleaned without removing the front panel clean both the body and remote controller with a dry soft cloth Wipe off water completely If water remains on the display section or light receiver section this could cause a malfunction A A CAUTION Do not splash or direct water to
145. OWER CIRCUIT Caution Voltage of about 350 V is charged between the terminal of smoothing capacitors 400uF x 2 During continuity check for each circuit part of the outdoor unit be sure to discharge the smoothing capacitors Discharge Procedure Turn off the power of the indoor unit or pull out the power supply plug After power is turned off wait for 10 minutes or more Then remove electrical parts cover and apply soldering iron of 30 to 75 W for 15 seconds or more to TAB3 GRAY and TAB4 RED terminals on the main P W B as shown in the figure below in order to discharge voltage in smoothing capacitor Do not use a soldering iron with transformer Otherwise thermal fuse inside transformer will be blown LEAD WIRE E rd E bJ
146. R HEAT PROTECTOR OVERLOAD RELAY RELAIS DE SURCHARGE YES FUSIBLE FUSE for MICRO COMPUTER pour MICROPROCESSEUR 3A RELAIS DE PUISSANCE RELAIS AUTOEXCITE POWER RELAY STICK RELAY POWER SWITCH INTERRUPTEUR D ALIMENTATION TEMPORARY SWITCH INTERRUPTEUR AUXILIAIRE OUI NO NON SERVICE SWITCH INTERRUPTEUR DE SERVICE NO NON YES TRANSFORMER TRANSFORMATEUR NO NON NO NON VARISTOR VARISTANCE NO NON 450NR NOISE SUPPRESSOR ANTIPARASITAGE NO NON NO NON THERMOSTAT THERMOSTAT YES IC OUI IC NO NON REMOTE CONTROL SWITCH LIQUID CRYSTAL YES RAR 3U1 NO INTERRUPTEUR DE TELECOMMANDE CRISTAUX LIQUIDES OUI RAR 3U1 NON FUSE CAPACITY A INRUSH WITH STAND TYPE CALIBRE DE FUSIBLE A RETARDE AVEC STAND TYPE UNIT UNIT 900g REFRIGERANT CHARGING VOLUME R410A WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE CANALISATIONS j MAX 20m SANS R FRIG RANT EN RAISON DU RACCORDEMENT FLARE CHARGE EN R FRIG RANT R410A HOW TO USE MODEL RAF 35NX2 RAC 35NX2 SAFETY PRECAUTION Please read the Safety Precaution carefully before operating the unit to ensure correct usage of the unit Pay special attention to signs of Warning and Caution The Warning section contains matters which if not observed strictly may cause death or serious injury The Caution section contains matters which may result in seri
147. R268 2 5 RL cai BEDE DS gt m 1 276 100 su C W ined gt ie 9 272 R277 100 swf M DIODES RCE os R38 85 R R278 100 5 0012 P 100 swe cl M 002 o wove 5 5 R280 c003 o EI co c PSS enr PHOTO COUPLERS 838 081 p2s8e0 als SE gt m RAT msn R283 c w C006 ZM 082 MODEL E Raz roelse R284 2007 DRE 083 w M Pat TLP421 afp R285 4 008 Pa2 TLP421 HIP R286 1K C009 1648 ALP PQ401 TLP421 PT I R45 122041 ss 2 R287 010 EET PQ402 HP R46 R288 514 con safe TLP421 d ox 410 5 ve A R289 5 1K cm 012 PQ404 rLP421 i R290 10K C013 020 HEP paroi TLP421 R291 xl Mut R292 s lt 1 amp CHR chi o als COILS INDUCTORS R294 390 C022 EE HE CII R295 390 023 H sw EIE i R296 390 1001 1 00202 218 sj afp 297 C100 1002 A P yos 8003 3604 R298 5 iK 101 032 146012 TA 1003 afp RO04 260410 Al M C102 ROO sekl 1 Vi AT P R300 2x swvu c w 6110 20011153120 TN TRE ELP
148. S ROTATION GPOWER P W B nin SWITCHING FROM LOW oMAIN P W B SERVICE OPERATION WILL BE SWITCHING FREQUENCY SYNC START STARTED FAILURE position COMPRESSOR TO STOP THIS OPERATION PRESS OPERATION FAILURE GPOWER P W B THE SERVICE SWITCH AGAIN MORE OVERLOAD OVERLOAD PROTECTION 00070009 UNIT T EXPOSED 0 DIRECT Y U LOWER FUNCTION IS REQUESTING SUNLIGHT OR ITS AIRFLOW BLOCKED THAN 1 SECOND LOWER SPEED THAN MINIMUMI FAN MOTOROMAIN P W B TO RESUME TO NORMAL OPERATION TIMES LI CUTISPEED OF COMPRESSOR VOLTAGE 15 EXTREMELY LOW CUT THE POWER SOUCE ONCE THEN THERMISTOR COMPRESSOR OVERHEATIOLEN OF REFRIGERANT OCONPRESSOR ON AGAIN AU Temp RISE DETECTED BY 908 THERMISTOR CIRCUIT IN ORDER TO PROTECT THE DAMAGE 571 THERMISTOR MAIN P W B OF COMPRESSOR DO NOT OPERATE el THERMISTOR ABNORMAL THERMISTOR OTHERMISTOROCONNECT LON MORE THAN 5 MINUTES WITH ZT ABNORMAL VALUE OPEN OR SHORT OF THERMISTOR DEFECTIVE SERVICE VALVE CLOSE TTIMES WAS DETECTED OTHERMISTOR CIRCUIT FA ACCELERATION COMPRESSOR WAS NOT EAK OF REFRIGERANT ADI ei LuRe ACCELERATED MORE THAN compressor 8TIMES MINIMUM SPEED A rl COMMUNICA COMMUNICATIONS IS WRONG CONNECTED L tot tR0a1N0108 UNIT 15 Peeve en As 9TIMES UNIT ARE INTERRUPTED UNIT AND OUTDOOR UNIT ABNORMAL ABNORMAL POWER SOURCE EE EDE 15 WRONG CONNECTED T eps WAS DETEC
149. SET THE SLEEP TIMER Set the current time at first if it is not set before see the pages for setting the current time Press the SLEEP button and the display changes as shown below I SLEEP Mode Indication 1hour gt 2hours gt 3hours 7 hours Sleep Timer Sleep timer off _____ Sleep Timer The device will continue working for the desired number of hours and then turn off Point the signal window of the remote controller toward the indoor unit and press the SLEEP button The timer information will be displayed on the remote controller The TIMER lamp lights with a beep from the indoor unit When the sleep timer has been set the display indicates the turn off time Example If you set 3 hours sleep time at 11 38 p m the turn off time is H e 2 38 a m Sleep The device will be turned off by the sleep timer timer 9 and turned on by on timer 1 Set the ON timer P 2 Press the SLEEP button and set the sleep timer For heating In this case the device will turn off in 2 x hours at 1 38 and will turn on early so that the present temperature a will be almost reached at 6 00 a m next WES morning x How to Cancel Reservation Point the signal window of the remote controller toward the indoor unit and press the O CANCEL button The RESERVED sign goes out with a beep and the TI
150. TED OPOWER P W BOMAIN P W B FAN LOCK OUTDOOR FAN RPM 15 Li OFAN MOTOR sg ERROR n ROTATE AS INTENDED FAN MOTOR CIRCUIT EEPROM MICROCOMPUTER CANNOT READ READ THE DATA IN EEPROM OMA IN P W B ERROR MEXAMPLE OF TTT wg a tiens oos BLINKING 5 TIMES OF 0 25 SEC IPM 0 INTELLIGENT BG POWER MODULE E di SELF DIAGNOSIS LAMPS 10302 10303 SE RVICE SWITCH 145 MODE D ECLAIRAGE DU VOYANT D AUTO DIAGNOSTIC MODEL RAC 35NX2
151. To find the malfunction either the power supply of power P W B or intemal IC please follow the procedure following By connecting CN3 and CN4 Check the voltage between 15V and gt Internal IC is OK 15 0 on power P W B Normal 15V Lower than 15V By disconnecting CN3 and CN4 Check the voltage between 15V Driver IC which is in IPM may and 15 0V on power P W B malfunction Replace main P W B UE Lower Normal 15V than 15V Power P W B may malfunction Replace power P W B 187 Diagnosis procedure of IPM using multimeter Inverter section gt Set the multimeter function to resistance x 100 If the multimeter dose not have x 100 range please select its range from x 1 to x 100 The judgment shall be OK When the measurement was high resistance Please consider that the probe polarity will be reserve when use a digital mulimeter due to its battery connection inside lt note gt Sometimes it may misjudge as OK because of low conductivity when power module was damaged as disconnect mode In this case please check the resistance by reversing the probe polarity and consider OK when it was low resistance Also it is OK if the resistance was as same as the other phases U V W ss fee ep em tbe ei v
152. UPPLY ON OFF 4 Q106 Fig 5 1 In the power circuit for P W B power supply for microcomputer peripheral circuits and IPM driver circuit and as well as DC 35V are produced by switching power circuit DC 330V voltage to high frequency of about 20kHz to 200kHz 108 Switching power circuit performs voltage conversion effectively by switching transistor IC1 to convert The voltage specification of the power circuit is as follows Check points Output Voltage Main load Measuring points Potential failure modes spec 12V 11 13V MAIN P W B CN4 R701 12V display R006 OV display The unit won t operate C21 12V display J27 J30 MAIN P W B error 5V 4 5 6V MAIN P W B CN3 CN4 030 anode 5V display R006 OV display The unit won t operate J25 J27 J30 MAIN P W B error B 12V 11 16V Expansion valve R25 B 12V display R25 display LD301 blinks 5 times Expansion valve error 15V 14 17V DC fan motor CN24 C06 side 06 side LD301 blinks 3 times MAIN P W B CN3 CN4 or 4 times or 12 times 35V 33 5 38V Indoor unit electrical parts D20 cathode 45 17 Indoor unit won t operate Terminal C D C 35V display Terminal D red line Indoor Outdoor miss Reversing valve CN2 Terminal C blown line conection Check each voltage If each voltage meets the voltage specification above the power circuit is
153. Ventilateur L751R751 C751 Moteur de Int rieur D ventilateur Feedback rotations R631 Moteur de C631 ventilateur OV Tension au point Forme d onde T2 Ti Tension au point 8 Forme d onde Ti Tension au point Forme d onde T2 Fig 3 1 E T1 Bas N de rotations T2 Haut N de rotations Pour le point une pulsation de PWM modulation d impulsions en largeur de 15 7 kHz sera mise de la broche 40 du microprocesseur comme indiqu sur la Fig 5 2 La plage d impulsions variera en fonction des diff rentes vitesses de commande La pulsation est convertie en tension analogique par le R751 et C751 et elle est appliqu e au moteur de ventilateur comme tension de commande de vitesse La Fig 5 3 repr sente la relation entre la tension au point B et la vitesse Certaines diff rences pourront se produire en fonction de l tat d usure de l unit Le moteur de ventilateur mettra la pulsation de feedback de la vitesse qui sera envoy e sur la broche 44 du microprocesseur Cette pulsation est quivalente une fr quence de vitesse 12 60 Exemple 1000 min x 12 60 200 Hz Le microprocesseur contr le la fr quence et r gle la plage de pulsation de sortie de la broche 49 afin de conserver la vitesse de commande au sujet de 1200 Vitesse mirr Tension au point B V Fig 5 3 S
154. X2 est utilis comme vitesse maximale du compresseur pendant l attaque de chauffage avec la temp rature ext rieure inf rieure 5 C 12 Quand thermo est en ARRET ou est arr t environ 1 minute apr s le fonctionnement a l aide de la t l commande le ventilateur fonctionne en mode Ultra Lo Cette op ration est pr vue pour d charger la chaleur de l unit int rieure 58 Reversing Valve Defrosting Heating Sleep Operation 15sec or more Auto fresh defrosting Over defrosting inhibit period 30sec 0 l 0 5hr de 6 5hr J Fan speed Set to 7 hours Start Stop Switch Set to Hi Stop Sleep key Defrost signal Preheating judgment mmm Preheating Operation lamp Hi SLEEP on the remote Indoor tan Med controller is lit Lo x rm Timer lamp _ 15sec Hi Outdoor fan Hi or Med Hi Med Mod Indoor fan Operation lamp I TTT TTT Silent seo basi 30sec Sleep n w Reversing 0 KC Med AP Lo heating mode Outdoor fan Rim Reverse cycle period Reverse cycle period Deceleration M period min TDFj431 3min min min Max 3 TDF rin t Vertical air Mais neen 8 DFMAX gt e WMAX Amin deflector orizont 5 4000
155. Y ORN GRIS BLK BLACK PNK NOIR YELLOW JAUNE ORANGE ORANGE PINK ROSE Control circuit built in Circuit de commande incorpor BRN BROWN WHT BRUN GRN GREEN RED VERT VIO VIOLET VIOLET 462 WHITE BLANC RED ROUGE COMPRESSOR COMPRESSEUR Compressor Motor Specifications Caract ristiques du moteur de compresseur MODEL MODELE RAC 35NX2 COMPRESSOR MODEL MODELE DE COMPRESSEUR ASC092CD A8JK PHASE PHASE SINGL SIMPLE RATED VOLTAGE TENSION NOMINALE DC200 230V RATED FREQUENCY FREQUENCE NOMINALE 50Hz OUTPUT OUTPUT 750W CONNECTION CONNEXION YELLOW JAUNE RESISTANCE VALUE VALEUR DE RESISTANCE YELLOW COMPRESSOR FRONT SIDE OF OUTDOOR UNIT ACAUTION When the refrigerating cycle has been operated for a long time with the capillary tubes clogged or crushed or with too little refrigerant check the color of the refrigerating machine oil inside the compressor If the color has been changed conspicuously replace the compressor WIRING DIAGRAM MODEL _ RAF 35NX2 RAC 35NX2
156. age input to pin of microcomputer is set to Hi Reset voltage will be hold Hi until the 12V line voltage drops to 9 90V even though the power shuts down Power is ON Power is OFF Voltage V 12V line 5V line Reset volage Time 12V line 5V line Reset volage Time Fig 6 8 118 7 Temperature Detection Circuit MAIN P W B I 5V O H thermistor R304 Z x 1 C304 5 5V R301 Y DEF thermist ov Microcomputer ov bed R305 1 0 oer 1 5V sae C303 Outdoor temperature ov thermistor CN10 Ov scs R306 fo Ja utdoor 2 64 temperature 2 R303 Fig 7 1 The Over heat thermistor circuit detects the temperature at the surface of the compressor head the Defrost thermistor circuit detects the defrosting operation temperature Athermistor is a negative resistor element which has the characteristics that the higher lower the temperature the lower higher the resistance When the compressor is heated the resistance of the Over heat thermistor becomes low and voltage to a pin 62 of microcomputer is increased Microcomputer compares the voltage at pin with the internal set value if it is exceeded the set value microcomputer judges that the compressor is overheated and stops operation
157. age is correct check the main P W B 109 The voltage specification of the power circuit is as follows Check points Output Voltage Main load Measuring points Potential failure modes spec 12V 11 13V MAIN P W B CN4 R701 12V display R006 OV display The unit won t operate C21 12V display J27 J30 MAIN P W B error 5V 4 5 6V MAIN P W B CN3 CN4 030 anode 5V display R006 OV display The unit won t operate J25 J27 J30 MAIN P W B error B 12V 11 16V Expansion valve R25 B 12V display R25 display LD301 blinks 5 times Expansion valve error 15V 14 17V DC fan motor CN24 C06 side 06 side LD301 blinks 3 times MAIN P W B CN3 CN4 or 4 times or 12 times 35V 33 5 38V Indoor unit electrical parts D20 cathode 45 17 Indoor unit won t operate Terminal C D C 35V display Terminal D red line Indoor Outdoor miss Reversing valve CN2 Terminal C blown line conection Check each voltage If each voltage meets the voltage specification above the power circuit is normal If any error is found after checking remove all loads and recheck each voltage If no error is found in this step the power circuit is normal Check the removed loads If any error is found in this step the power circuit has any failure Replace the power P W B A short circuited load may cause an output error
158. ally for a long period of time water will condense on the air deflector and drips down occasionally This will wet your furniture Therefore do not operate under such PROHIBITION condition for a long time When operating the unit with the door and windows opened the room humidity is SQ Ifthe amount of heat in the room is above the cooling or heating capability of the unit Q for example more people entering the room using heating equipments and etc the preset room temperature cannot be achieved PROHIBITION Indoorunitcleaning must be performed by authorized personnel only Consult your sales agent Q Using a commercially available detergent or similar can damage the plastic parts or clog the drain pipe causing water to drip with potential electric shock hazard PROHIBITION not touch air outlet bottom surface and aluminum fin of the outdoor A unit pont 2 You may get hurt Do not touch the refrigerant pipe and connecting valve Burns may result DONT TOUCH This appliance is not intended for use by young children or infirm persons unless they have been adequately supervised by a responsible person to ensure that they can use this appliance safely Young children should be supervised to ensure that they do not play with the appliance ENGLISH NAMES FUNCTIONS OF PART INDOOR UNIT Horizontal air deflector Indoor uni
159. and goes out in 5 10 seconds oen arp Wis os ad ges oun ees TD ag me PS has occurred in the P W B n PWS NZ Check to see if the indoor fan is touching the chassis etc If it does repair Can the indoor fan be turned by hand Set the power switch to off to check Replace the indoor fan motor 155 2 La vitesse du ventilateur int rieur ne change pas toutes autres choses normales Oui Non Le ventilateur peut il tre arr t La sortie PWM broche du ventilateur gt Remplacezile microprocesse t avec la t l commande de microprocesseur est Hi P p Non Oui Remplacez le moteur du ventilateur int rieur Remplacez le microprocesseur Effectuez le contr le final du fonctionnement 3 Le d flecteur d air ne bouge pas toutes autres choses normales Des signaux d impulsion sont ils sortis aux broches du microprocesseur 0 Non quand l oscillatiori aplomatique est en activ e en mode ventilateur Remplacez le microprocesseur Une tension sup rieure a 15 V ou inf rieure 0 V est elle sur Remplacez IC 111 la ligne 12 V V rifiez IC711 S il est normal remplacez le moteur du d flecteur d air Effectuez le contr le final du fonctionnement 4 Tous les syst mes s arr tent de quelques secondes quelques minutes apr s le d marrage tous les indicateurs sont aussi teints R glez au mode ventila
160. ateur Utilisez un d tergent neutre rincez l eau propre et s chez a l ombre Attachez les filtres P Comment refermer le panneau frontal 1 Pour fermer le capot avant appuyez sur sa partie centrale sup rieure 2 Appuyez sur les coins sup rieurs gauche et droit du capot avant 2 COMMENT INSTALLER ET ENLEVER LE PANNEAU AVANT Assurez vous d utiliser vos deux mains pour empoigner le panneau avant quand vous l enlevez ou que vous le fixez Appuyez sur les coins sup rieurs gauche et droit Saisissez les c t s gauche et droit du capot avant du capot avant et soulevez ce dernier pour le retirer Dt Fixer trois supports de panneau avant sur l axe Comment refermer le panneau frontal du couvercle avant Mettre le crochet vers le haut pd 3 FRONT COVER 1 Remove the front panel 2 Remove the front cover Remove the 3 bottom screws and 2 top screws Pull the front cover approximately 30mm toward you Screw Screw Cabinet Front Cover ATTACHING When attaching th
161. ation error 15 the connecting cable connected properly 15 35V being output on the indoor unit side Are CN3 and CN4 connected Yes Is DC35V being output between terminals C and D Normal DC32V 39V Standby DC18V 23V Yes Connect properly Connect CN 3 and CN4 No Is DC35V being output at both ends of R35 Yes gt Replace the power P W B Defective SW power supply Replace the power P W B NF coils IF coils etc may be broken Check the interface circuit and replace the main P W B if needed 691 Yes LD301 blinks 7 times gt Thermistor abnormal s the thermistor connector Ye s disconnected The problem may be forgetting to connect after servicing No gt Connect the thermistor gt Replace the thermistor Is the continuity of the thermistor normal Yes N Is the thermistor circuit gt Replace parts in the thermistor circuit normal Check continuity of pattern and lead wires according to the P W B and schematic diagrams 041 Yes LD301 blinks 7 times gt Thermistor abnormal s t
162. ation of the outdoor receiving circuit is same as indoor receiving circuit 90 Fig 3 1 shows the interface circuit used for the indoor and outdoor microcomputers to communicate with each other Control P W B 5V 4 I F RECEPTION Micro 35V Computer TERMINAL BOARD Y 3 5 I F TRANSMISSION D O OV OO GRR bent Sn et OUTDOOR UNIT POWER P W MAIN P W B SAN IIR ENA jn Micro Computer DHE 12V bus 603 I F TRANSMISSION 0801 ov ay DIE 3 Von RECEPTION Ts 68 6807 0 36 ats T1 M R254 ren gs el LJ Er ans Te L802 E f ud sf 0206 u 6 6 62 5 Ea ov L C810R804C808 1808 6803 L804 D 0V TERMINAL TT TT Fig 3 1 f Fig 3 1 shows the interface circuit used for the indoor and outdoor microcomputers to communicate with each other
163. aux du bo tier de t l commande vers l appareil int rieur et appuyer sur la touche O ANNULATION La marque R SERVE s teint en m me temps qu un signal sonore est mis et le t moin MINUTERIE s teint aussi dans l appareil int rieur MESURE DE PR CAUTION Un seul mode de minuterie peut tre utilis la fois MISE A LARRET MISE EN FONCTION et MISE EN FONCTION MISE LARRET Lindication horaire dispara t automatiquement dans la 10 seconde qui suit Appuyer deux fois de suite sur la touche HEURE pour v rifier l heure qu il est Ceci termine les op rations de mise l heure de l horloge Ra AT 2 Introduire l heure avec la 3 Appuyer encore une fois sur touche de r glage de latouche HEURE Introduire MINUTERIE l heure de mise en fonction avec la touche de minuterie Exemple L heure actuelle est 13h30 2 introduire l heure de mise l arr t avec la touche de 3 Diriger la fen tre de transmission des signaux du bo tier de t l commande vers l appareil int rieur et appuyer sur la touche I RESERVE MINUTERIE La marque amp ARR T s allume au lieu de clignoter et la marque RESERVE s allume Un signal sonore est mis et le t moin MINUTERIE s allume X dans l appareil int rieur ow HO p Cr ign Exemple Om 7 L appareil s arr tera 23h00 Le r glage de l heure d arr t est maintenant comp
164. aux signes Avertissement et Attention La section portant sur Avertissement contient des instructions qui si elles ne sont pas observ es peuvent causer de graves blessures et m me la mort La section portant sur Attention contient des instructions qui si elles ne sont pas observ es peuvent avoir de graves cons quences Veuillez suivre toutes les intructions tr s strictement afin d assurer un maximum de s curit Le signal poss de la signification suivante Des exemples de signaux sont report s ci dessous signal dans le sch ma indique une interdiction Indique les instructions suivre Veuillez garder ce manuel apr s lecture PR CAUTIONS PRENDRE LORS DE L INSTALLATION Ne remontez pas l unit Une fuite d eau une erreur un court circuit ou un incendie peut se produire si vous remontez l unit par vous m me INTERDICTION DE Veuillez demander votre vendeur ou votre technicien qualifi de proc der l installation de votre appareil Des fuites d eau ou m me des risques de feu sont possibles si vous essayez d installer votre appareil vous m me Veuillez utiliser un fil de terre Ne placez pas le fil de terre pr s de l eau des tuyaux gaz du paratonnerre ou de ligne du t l phone Une erreur dans l installation d un fil de terre peut causer une lectrocution ou un incendie UTILISER FIL DE TERRE Veiller utiliser le kit de tuyaux sp
165. c M 0911 M SWITCH VALVE ue zes j FOR i 0912 NETIN RELAY MICoNR202 106 REOT MODEL z ua POWER UN Use R230 E creo R208 M R602 222 0 0225 C C 0913 38 RJ EH sensor R204 1x sw vu c w R603 C M c223 o orjso c c M 0914 M sm EVGPAEOTK j iga Din AWAY VALI R205 100 5 c M R604 6224 0 0915 M OSCILLAT i 7 0916 CILLATOR o ui Eric R206 REOS 6225 0 M Z 2 e 1 R207 104 clv R606 226 o tesi cf bweoL MODEL gt E o R208 5 8 c M R607 g pes R209 104 5 R608 x1 Ed R210 REOS 6308 o cl JUMPER 11 y M HE R211 5 R610 cm cao4 o cl HE m maak ian EH R212 1 5 Vs C M R611 SYMBOL USE UN USE ES kweo wove TETE R213 10x 5 R612 c M UNUSE HE pogo A R214 M R613 C M l Wo02 UNUSE P 12301 R M 2 ar R215 10x 5 R615 AO C80 12302 R M oH R216 M R616 0507 use Alp 12303 RIM 25 R217 se vel M A W C503 Noos UsE P IC 1 CM C504 M w
166. commutateur pour faire d marrer et arr ter le fonctionnement Ce fonctionnement temporaire a lieu selon le dernier mode saisi L unit se met tout de suite fonctionner automatiquement quand l alimentation lectrique est activ e INDICATEURS D APPAREIL INT RIEUR Voyant de FONCTIONNEMENT Ce voyant s allume durant le fonctionnement i Pendant le chauffage ce voyant de fonctionnement peut clignoter tre allum faiblement ou m me s arr ter compl tement dans les cas suivants 1 Durant le pr chauffage fonction de chauffage Environ 2 3 minutes apr s le d marrage 2 Durant la d cong lation fonction de chauffage L appareil se d cong le environ toutes les heures pendant 5 10 minutes quand du givre se forme sur l changeur de chaleur i de l appareil ext rieur ll se formera i davantage de givre si la longueur du tuyau j ec Voyant du FILTRE Ce voyant s allume lorsque l unit a fonctionn pendant i environ 200 heures pour indiquer qu il est temps de nettoyer le filtre Il s teint lorsque appuie sur la touche x OSCILLATION AUTOMATIQUE quand l unit est arr t e M 7 utilis est sup rieure la normale Voyant PROGRAMMATEUR Ce voyant s allume lorsque le programmateur fonctionne
167. convert to Vsp voltage by smoothing circuit R242 amp C209 Fan motor will start to rotate when Vsp was proceeding over than 1 7V and generate FG pulse by rotation speed FG pulse will feed back to Outdoor microcomputer 5 DC Fan Motor circuit has to match the Fan Motor revolution with instructed revolution Such as FG feedback Faster Instruction Slower Decrease pulse width FG feedback Slower Instruction Faster Increase pulse width FG pulse is also used for Fan Motor failure detection Microcomputer will monitor FG pulse 30 seconds after start the fan motor If there is no signal detected it will consider that the Fan Motor was malfunction and stop the operation In this case LD302 on control P W B will blink 12 times Fan Motor lock detected R107 and ICA are used for Fan Motor over current 126 lt Reference gt When operation stop with LD301 blinks 12 times it may be caused by faulty DC fan motor In this case please check CN6 and CN12 connection first It makes Fan Motor Lock also if those connectors are in misconnection DC Fan Motor has broken invites 1A Fuse burned Please replace both DC Fan Motor and 1A Fuse together It will makes Fan Lock Stop when something has disturb the Fan rotation by inserting materials into propeller fan or ice has growing inside of outdoor unit by snowing may make Fan Lock Stop by strong wind ex 17m sec or above against the Fan rotation In this case unit will
168. ctionnement de base Ventilateur int rieur Lo Silent Sleep 15sec Med Med Ventilateur ext rieur Ga Vanne d inversion mode de chauffage on Vitesse du compresseur P riode d quilibrage 3min Amin CMINHI Dehumidifying Room temperature judgement Room temperature PE Dehumidifying A 9 9 8 8 S Fan speed set to Lo Start Stop switch Operation lam Thermostat judgement Eo Hi Med 5min OFF 1min ON 32 Indoor fan lo ww m mau Silent Sleep j5sec 1556 Outdoor fan Reversing valve 1min STARCPL SDMAX min STARCPL gt SDRPM Compressor rotation speed Notes 1 The indoor fan is operated in the Lo or Silent mode OFF for 5 minutes and ON for 1 minute repeatedly according to the humidity judgement when the thermostat is turned OFF 2 When the operation is started by the thermostat turning ON the start of the indoor fan is delayed 32 seconds after the start of compressor operation 3 The compressor is operated forcedly for 3 minutes after operation is started 4 The minimum ON time and OFF time of the compressor are 3 minutes 55 Dehumidifying Sleep Operation 05hr thr
169. droit du panneau avant Prendre par les c t s gauche et droit du panneau frontal et ouvrir vers soi Enlevez les filtres Enlevez la poussi re des filtres l aide d un aspirateur Utilisez un d tergent neutre rincez a l eau propre et s chez l ombre Attachez les filtres PP Comment refermer le panneau frontal 1 Pour fermer le capot avant appuyez sur sa partie centrale sup rieure 2 Appuyez sur les coins sup rieurs gauche et droit du capot avant amp OV A ATTENTION lavez pas avec de l eau chaude plus de 40 C Le filtre r tr cirait Lorsque vous le lavez secouez les gouttelettes d eau compl tement et laissez le s cher l ombre ne pas exposer au soleil Le filtre r tr cirait Utilisez galement une ponge souple L utilisation d un grattoir ou d une brosse peut entra ner le d collement du film m tallique sur la surface N utilisez pas l appareil sans filtre Ceci peut provoquer des dysfonctionnements 2 COMMENT INSTALLER ET ENLEVER LE PANNEAU AVANT 5 FILTRES PURIFICATEUR D AIR SPX CFH15 Assurez vous d utiliser vos deux mains pour empoigner le panneau avant quand vous l enlevez ou que vous le fixez Pour installer les filtres purificateur d air enlever les filtres air et les fixer x aux crochets devant le tableau du panneau avant e La capacit r frig ration est l g rement plus faible
170. ds Possible malfunctioning Compressor part Gas Compressor leakage Is the self diagnosis lamp mode as YY Blinking shown on the right Outdoor air temperature Charge port pressure MPa G kef cm G YES 2 96 30 14 2 62 26 72 2 31 23 58 2 03 20 73 1 78 18 14 1 55 15 79 1 34 13 66 1 15 11 74 0 98 10 02 0 83 8 48 0 70 7 10 0 58 5 89 0 47 4 81 R410 A The values above are the theoretical ones Normal Stop to operate and check the gas e Checking the IPM main P W B pressure in balancing mode Error Gas leaking When the self diagnosis lamp lights in the same condition as above The compressor is defective Replace it Gas leaks and seal refrigerant Repair and seal refrigerant the compressor checker for inverter type air conditioner is available re check using it Perform a final check of operation 148 CHECKING THE INDOOR OUTDOOR UNIT ELECTRICAL PARTS AND REFRIGERATING CYCLE MODEL RAF 35NX2 RAC 35NX2 Set to room temperature 16 in the cooling Does the timer lamp on the indoor unit blink See Troubleshooting when the timer lamp blinks Check the outdoor electrical parts Remove the decorative cover and electrical parts cover and check the pin voltages of CN3 brown and red wires Pin 35 V pin 0 V Timer lamp Four times blinking mode or to 32 C in th
171. du ventilateur est r gl e Med par t l commande la vitesse maximale du compresseur est CUKMAX 7 Si la vitesse du ventilateur est r gl e Lo ou Silent par t l commande la vitesse maximale du compresseur est CBEMAX 8 Si la vitesse du ventilateur est r gl e Hi par t l commande et que la temp rature ambiante et la temp rature ext rieure donn e de l unit ext rieure satisfont les conditions de condensation du Tableau 3 la vitesse maximale du compresseur est CKYMAX 9 Quand le thermo de r frig ration est en ARRET la vitesse du ventilateur int rieur est maintenue la vitesse de ventilation pr r gl e Tableau 3 Valeur de condition de condensation condensation d gag e Donn e Condition de 30 C de la pi ce condensation engag e Condition de condensation d gag e 526 Temp rature Condition de 2 C ext rieure condensation engag e 3 Condition de 33 Cooling Sleep Operation Sleep key 0 5hr Set 1017 hours 7hr Operation lamp Hi E Med See basic operation H Indoor fan ELE E y Silent Sleep 1 RUN Lo gt ennn Compressor speed 1 1 1 1 1 Compressor speed Notes 1 The sleep operation starts when the sleep key is pressed 2 3 4 5 7 8 9
172. during hot dash is heating set temperature including heating shift plus 3 C After thermo OFF hot dash finishes and fuzzy control starts 4 The compressor minimum ON time and minimum OFF time is 3 minutes 5 The time limit for which the maximum compressor speed WMAX or WMAX2 during normal heating except for hot dash can be maintained is less than 120 minutes when the room temperature is 18 C or more it is not provided when the room temperature is less than 18 C and outdoor temperature is less than 2 C The operation indicator blinks every second during initial cycle operation preheating defrosting including balance time after defrosting is finished or auto fresh defrosting For preheating judgment preheating starts if the heat exchange temperature is lower than YNEOFC and is cancelled if the heat exchange temperature is YNEOF plus 0 33 C or higher at the start of operation using the START STOP button During the operation at the fan speed of Lo or Silent the compressor speed is set to WBEMAX or below It is restricted to WJKMAX or below when the fan speed is Med If the outdoor temperature data from outdoor unit is 6 C or more the maximum compressor speed is WSTD 10 the room temperature falls to less than 18 C in the Ultra Lo mode the indoor fan stops When the room temperature is 18 C 0 33 C or more the ultra Lo operation restarts However the ultra Lo operation during preheating or preheating after defrosti
173. e HWRAC EO8H 09 RRZA2397 EXPAN VALVE WRAC 25YH4 A17 1ZSA100158A TION amp 1 2 FAN MOTOR SUPPORT FAN MOTOR 40W 1 5kg PROPELLER FAN NUT PROPELLER FAN SIDE COVER L aol 29 Oi BENE M tn EURE si a a WRAC 25YH4 A18 2WBG100217A R 1 WRAC 25YH4 A19 1 WRAC 25YH4 A20 RRMH3837 1 WRAC DIOEX All OWAK100064C R 1 WRAC 25YH4 A22 RRMB3675 1 WRAC 25YH4 A23 EB0002520 1 WRAC 25YH4 A24 2SMGI00250A 1 WRAC 25YH4 A25 2ZVH100133B 1 IWRAC 25YH4 A26 2 0 1001244 1 HWRAC EOSH 10 FRONT COVER WRAC 25YH4 A28 0WLG100067A 1 DISCHARGE GRILL l l l l __ aa E __ Ooi 3 7 2200222 en EE gt n N WRAC 25YH4 A29 ELECTRIC PARTS PLATE HWRAC EOSH A15 ELECTRIC PARTS COVER WRAC 25YH4 A31 TERMINAL PLATE WRAC 25YH4 A32 TERMINAL BOARD 2P WRAC 25YH4 A33 HEAT SINK REGURATOR 1 W B MAIN FUSE 15 FUSE VARISTOR P W B POWER FUSE 1A PORT P W B APACITOR 45 u F 200V OVER OUT DOOR THERMISTOR THERMISTOR OUT DOOR TEMP IDE COVER R ERMINAL COVER TOP COVER SERVICE VALVE COVER RZ WRAC 35NX2 A02 HWRAC EO8H 11 WRAC 25YH4 A36 RRE EEO RPN2566 W 017 WRAC 25YH4 A37 WR
174. e ces produits vont endommager les surfaces plastiques et la peinture de l appareil 4 ENTRETIEN AU D BUT D UNE LONGUE P RIODE D INTERRUPTION Mettre l appareil d air climatis en marche pour faire s cher et pour que l int rieur de l appareil interieur reste sec afin d viter la formation de moisissure Mettre l interrupteur sur OFF ARR T 62 63 Filtres purificateur d air FRAN AIS INFORMATIONS Capacit de chauffage Cette appareil d air climatis utilise un syst me de pompe chaleur qui absorbe la chaleur externe et l achemine vers la pi ce pour la chauffer La pas utiliser un four amp J capacit de chauffage diminue au fur et mesure que la temp rature OU une autre source de De diminue Dans ce cas le PAM etl inverseur fonctionnent pour augmenter chaleur proximit de la rotation du compresseur et viter que la capacit de chauffage de l appareil int rieur 5555 l appareil ne diminue Si cette solution n est pas encore satisfaisante il faut ajouter d autres appareils de chauffage pour am liorer les INTERDICTION DE performances de l appareil Cette appareil d air climatis est congue pour chauffer toute une pi ce et il faut donc attendre un certain temps pour que la chaleur se fasse sentir Il est conseill d utiliser le Programmateur pour un pr chauffage efficace avant l heure voulue Capacit de r
175. e preset time that comes earlier Thearrow mark appearing on the display indicates the sequence of switching operations How to Cancel Reservation Point the signal window of the remote controller toward the indoor unit and press the O CANCEL button The RESERVED sign goes out with a beep and the TIMER lamp turns off on the indoor unit NOTE You can set only one of the OFF timer ON timer and ON OFF timer 412 5 Point the signal window of the remote controller toward the indoor unit and press the 1 RESERVE button The 2 ON mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit A sini p eu De m i D 30 Example 4 Set the turn on time with the TIMER control button gt X The device will turn off at 10 30p m and then gt automatically turn on earlier so that the preset e edu o temperature can be reached at 7 00a m EBD DONC The settings of the turn on off times are now na complete Thetimer may be used in three ways off timer on timer and ON OFF OFF ON timer Set the current time at first because it serves as a reference Asthetime settings are stored in memory in the remote controller you only have to press the RESERVE button is order to use the same settings next time E ENGLISH HOW TO
176. e de canalisation souterraine standard 65 Pr cautions La longueur de la tuyauterie ne dois pas d passer 20m N o m ED Les canalisations de petits et grands diam tres doivent tre isol es Plus de 100mm Plus de Plus de lt 100mm 200mm Moins de 20mm La diff rence de hauteur de la tuyauterie entre l appareil int rieur et l appareil ext rieur ne doit pas d passer 10m Dans le cas d une installation encastr e assurez vous que le r cepteur infrarouges et l indicateur ne sont pas bloqu s Les canalisations peuvent tre install es en partant de la droite du bas ou de l arri re quand on se place face l unit Lors de l installation veuillez respectez la distance des espaces interm diaires d sign s par le symbole gt Dans le cas d une installation encastr e conservez le d flecteur vertical de la sortie de l air sup rieure aussi plat que possible S il est trop inclin la chaleur reste prisonni re l int rieur de l unit ce qui affecte le contr le de temp rature de la pi ce 8 Un diam tre de 1 6mm ou 2 0mm x 3 c t commande est utilis comme c ble de raccordement 352 MODEL RAC 35NX2
177. e de ventilation r gl e sur Lo Interrupteur Marche Arr t T moin de fonctionnement Jugement de thermostat wa Hi Ventilateur Med 5min OFF 1min ON pl 325 int rieur lo ss uma Silent Sleep mla 15506 15506 Ventilateur ext rieur Vanne d inversion 1min 1min STARCPL _ SDMAX SRE y SDRPM Vitesse de rotation du compresseur Remarques 1 Le ventilateur int rieur fonctionne en mode Lo ou Silent OFF pendant 5 minutes et ON pendant 1 minute de facon r p t e selon le jugement d humidit lorsque le thermostat est mis en position OFF 2 Quand le fonctionnement est d marr par le thermostat se mettant sur ON le d marrage du ventilateur int rieur est retard de 32 secondes apr s le d marrage du fonctionnement du compresseur 3 Le compresseur fonctionne en mode forc pendant 3 minutes apr s le d but du fonctionnement 4 Les temps minimaux en mode marche ON et arr t OFF sont de 3 minutes 56 Veille du mode de la d shumidification Touche de veille T moin defonciomemon SLEEP Sur le T l commande est alum T moin de programmateur E Hi Ventilateur int rieur Lo il Voir fonctionnement de base Silent Sleep w lt I 18 gt
178. e front cover follow the above procedure in reverse order Make sure the hooks at the front cover top surface are securely inserted into the cabinet 65 gt 3 COUVERCLE AVANT 1 Enlever le panneau avant 2 Enlever le couvercle avant Retirez les 3 vis du bas et les 2 vis du haut Tirer le couvercle avant d environ 30mm vers vous Boitier Capot Frontal FIXATION Quand vous fixez le couvercle avant suivez la proc dure mentionn e ci dessus dans l ordre contraire Assurez vous que les crochets pr sents sur la surface sup rieure du couvercle avant sont correctement positionn s dans le meuble 66 4 INDICATING P W B 1 Remove the front panel and the front cover 2 Remove the indicating P W B case 5 DISCHARGE FRAME 1 Remove the front panel and the front cover 2 Remove the 3 fixing screws of the discharge frame and then pull out the discharge frame toward you 4 C I D INDICATEURS 1 Retirez le panneau frontal et le couvercle frontal 2 Retirez la bo te de C I d indicateurs Crochet 5 CADRE DE D CHARGE 1 Retirez le panneau frontal et le couvercle frontal 2 Retirez les 3 vis de fixation du cadre de d charge puis retirez le cadre de d charge en
179. e heating mode and press the start stop button Does the operation lamp on the indoor unit gt start to light or blink No Yes Is the compressor in the outdoor unit operating Yes No Remove the outdoor unit cover and electrical parts cover and check self diagnosis lamp LD301 DC VOLTAGE Is approx 32V to 35V DC being generated Is the polarity correct One time blinking No Yes TT Check to see whether the connecting cord is connected B incorrectly or disconnected LD303 Normal Blinking other than Nine times blinking one time or nine times Set the test switch on the outdoor unit to cooling Does the compressor operate After checking be sure to return the Yes Communication circuit self diagnosis is done by the operation of the remote controller The result is service switch to normal Timer lamp Three times blinking Check the refrigerating cycle Check the outdoor electrical parts Check the indoor electrical parts 149 VERIFICATION DES COMPOSANTS ELECTRIQUES DES UNITES INTERIEURES ET EXTERIEURES ET DU CYCLE DE REFRIGERATION MOD LE RAF 35NX2 RAC 35NX2 n 1 ita Oui Le t moin du
180. e la pi ce Lorsque le mode AUTO est s lectionn en premier l appareil d termine la temp rature ambiante r elle et s lectionne en cons quence le mode de fonctionnement ad quat Lorsque la temp rature ambiante s approche de la temp rature programm e le climatiseur passe progressivement en fonctionnement de surveillance Si la temp rature ambiante change par la suite le climatiseur s lectionne de nouveau le mode de fonctionnement appropri chauffage ou refroidissement pour r gler la temp rature en fonction de celle programm e La plage du fonctionnement de surveillance quivaut plus ou moins 3 C par rapport la temp rature programm e Sile mode automatiquement s lectionn par l appareil n est pas satisfaisant modifiez manuellement le r glage du mode chauffage X d shumidification refroidissement ou ventilateur Appuyer sur la touche D MISE EN MARCHE ARR T La mise en fonction commence avec l mission d un signal sonore Appuyer encore une fois sur cette touche pour arr ter l appareil E tant donn que les r glages sont conserv s dans la m moire du bo tier de t l commande la seule op ration faire quand doit tre remis en marche consiste appuyer sur la touche MISE MARCHE ARR T La temp rature peut tre augment e ou r duite suivant les besoins dans des limites maximum de 3 C A Appuyer sur le bouton des tem
181. e microcomputer program when Power is ON from OFF Low voltage at pin resets the microcomputer and HI activates the microcomputer Fig 6 7 shows the reset circuit and Fig 6 8 shows waveform at each point when power is turned on and off When power is turned on 12V line and 5V line voltages rise and 12V line voltage reaches 10 9V an reset voltage input to pin of microcomputer is set to Hi Reset voltage will be hold Hi until the 12V line voltage drops to 9 90V even though the power shuts down Power is ON Power is OFF Voltage V 12V line 5V line Reset volage Time 12V line 5V line Reset volage Time Fig 6 8 6 2 Reset Circuit MAIN P W B 12V 5V R287 D208 gt EET 8 8 A 8 Microcomputer tc tc ISU e oy 56 RESET OUT 1 s t R252 N 48 C204 IC5 1 2 1 N N am am ov ov ov ov ov 288 Fig 6 7 The reset circuit initializes the microcomputer program when Power is ON from OFF Low voltage at pin resets the microcomputer and HI activates the microcomputer Fig 6 7 shows the reset circuit and Fig 6 8 shows waveform at each point when power is turned on and off When power is turned on 12V line and 5V line voltages rise and 12V line voltage reaches 10 9V an reset volt
182. e temporisation Touches de r glage de temp rature Se servir de ces touches pour augmenter ou diminuer indications Touche de r glage horaire Touches de remise z ro A irr gulier de s lection de mode de fonctionnement 3 CHAUFFAGE et de D SHUMIDIFICATION VENTILATEUR avec un retour au premier mode ind Touche de r glage de pulssance de soufflerie Touche d oscillation automatique Touche de minuterie Se servir de ces touches pour r gler la minuterie Touche de mise l arr t Permet de choisir l heure Diriger le bo tier de t l commande vers l appareil int rieru pour contr ler ses fonctions Le signe de transmission des signaux infrarouges clignote pendant la transmission a Afficheur Il fait appara tre la temp rature int rieure de la pi ce qui a t s lectionn e avec l heure puissance de circulation rche Une seconde pression de la r d air horizontal Ce r glage cale l intensit de circulation chaque fois que cette touche est press e l intensit de circulation change successivement de la fa on suivante AUTO FORT te touche sert s lectionner soit le mode de fonctionnement Se servir de cette touche pour r gler la minuterie de temporisation e r glage de temp rature Le fait d appuyer et d immobiliser la touche en position
183. ear gloves so as notto injure your hands on the heat exchanger fins 2 A WARNING Before cleaning stop unit operation with the remote controller and turn off the circuit breaker CAUTION 1 AIR FILTER Clean the air filter as it removes dust inside the room Be sure to clean the filter once every two weeks so as not to consume electricity unnecessarily PROCEDURE Open the front panel To open the front panel use the remote controller to stop unit operation Then press at the top left and right corners of the front panel Grasptheleftandrightsides ofthe front panel and open ittoward you Remove the filters Remove dust of the filters using a vacuum cleaner After using neutral detergent wash with clean water and dry in shade Attach the filters Close the front panel 1 To close the front panel press the upper center part of the front panel 2 Press at the top left and right corners of the front panel A CAUTION Do not wash with hot water at more than 40 C The filter may shrink When washing it shake off moisture completely and dry it in the shade do not expose it directly to the sun The filter may shrink And also use a soft sponge to wash Using a scrubber or brush cause the metal film on the surface to come off Don t operate the unit without filter Fault may occur if you continue edm 2 H
184. eing taken 4 Be sure to place a part on a metal plate with grounding 5 Be careful not to fail to turn off power when you repair the printed circuit board At the same time try to repair the printed circuit board on a grounded metal plate Body earth Elimik conductive band Clip for connection with a grounding wire Fig 2 Body earth PREVENTION DES DOMMAGES AUX SEMI CONDUCTEURS 1 Champ d application Pour viter d endommager les semi conducteurs utilis s dans les unit s lors de chaque intervention d entretien ou de r paration vous devez observer des pr cautions sp ciales Les m mes pr cautions doivent tre prises lors de la manipulation d organes d fectueux qui doivent tre retourn s en usine 2 Pi ces d tach es de 1 Microprocesseur 2 Circuits int gr s 1 3 Transistor effet de champ T E C 4 Circuits imprim s sur lesquels se trouvent implant s les composants 1 et 2 3 Pr cautions de manipulation 1 Pour transporter ou stocker un semi conducteur placez le dans un emballage conducteur Proc der de m me avec un composant d fectueux C I Sac en polyvinyle conducteur Eponge conductrice Fig 1 Emballage conducteur 2 Lorsque vous manipulez des composants qui ne sont pas prot g s par exemple pour les compter ou les emballer vous devez veiller ce que votre corps soit lectriquement reli la terre Pour cela
185. el is indicated by the DC voltage multiplied by DC current R247 R248 R249 are provided to perform the same overload judgement even when the voltage varies DC voltage Low DC current High DC voltage 260V DC voltage High DC current Low DC current 0 Rotation speed Fig 6 5 3 Start current control It is required to maintain the start current DC current constant to smooth the start of the DC motor of the compressor RAC E14H2 uses software to control the start current The start current varies when supply voltage varies This control method copes with variations in the voltages as follows 1 Turns on the power module s U and V transistors so the current flows to the motor windings as shown in Fig 6 6 2 Varies the turn ON time of the U transistor according to the DC voltage level and the start is controlled so the start current is approx 10 DC current PO Compressor motor DC Voltage N Detection resistor Fig 6 6 116 6 2 Reset Circuit MAIN P W B 12V 5V R287 D208 gt EET 8 8 A 8 Microcomputer tc tc ISU e oy 56 RESET OUT 1 s t R252 N 48 C204 IC5 1 2 1 N N am am ov ov ov ov ov 288 Fig 6 7 The reset circuit initializes th
186. electrical shock by high voltage of DC Fan Motor power source which is common with compressor when you are servicing this unit You can not confirm the coil and wiring of Motor directly due to the built in control circuit in Fan Motor 128 SERVICE CALL Q amp A MODEL RAF 35NX2 RAC 35NX2 COOLING MODE The compressor has stopped suddenly during cooling operation Check if indoor heat exchanger is frosted Wait for 3 4 minutes until it is defrosted If the air conditioner operates in cooling mode when it is cold the evaporator may get frosted Sound of running water is heard from Normal sound when refrigerant flows in pipe indoor unit during dehumidifying Compressor occasionally does not operate during dehumidifying Compressor may not operate when room temperature is 10 Cor less To improve the dehumidification efficiency performs quiet fan operation Therefore the air is cold and it is not a malfunction Cold air comes out during a dehumidifying operation It sets to perform dehumidifying operation by setting the temperature slightly lower than remote controller setting The operation does not stop even by setting the temperature higher than room temperature on the remote controller It occurs during defrosting Wait for 5 10 minutes until the condenser is defrosted The circulation stops occasion ally during Heating mode At the beg
187. eliminated and is then shaped by the comparator The shaped signal is detected by diode amplified by amp and output to pin 49 of the indoor microcomputer Fig 3 2 shows the waveforms at each component when data is transferred from the outdoor microcomputer to the indoor microcomputer 3 2 Communication signal from indoor microcomputer to outdoor microcomputer The request signal SDO generates by indoor microcomputer is output to pin 60 and amplifies by Q801 I F signal approx 38 kHz is generated by comparator then modulated by the signal from pin 60 of indoor microprocessor This modulated I F signal is then amplified and superimposed to DC 35V line via L801 and C802 of indoor interface circuit Fig 3 3 shows the waveforms at each component when data is transferred from outdoor microcomputer to indoor microcomputer The circuit operation of the outdoor receiving circuit is same as indoor receiving circuit 89 3 Indoor Outdoor Interface Circuit The interface circuit superimposes an interface signal on the DC 35V line to perform communications between indoor and outdoor units This circuit consists of a transmitting circuit which superimposes an interface signal transmit from the microcomputer on the 35V line and a circuit which detects the interface signal on the DC 35V line Communications are performed alternatively transmitting and receiving 3 1 Communication signal from outdoor microcomputer to indoor microcomput
188. er At first outdoor microcomputer will send a request signal SDO to indoor microcomputer 38 KHz of carrier signal is generated and modulated by the request signal SDO from the outdoor microcomputer pin 41 This signal is superimposed to DC 35V line via C801 and L801 To prevent erroneous reception the outdoor microcomputer is designed so that it cannot receive a signal while it is outputting a request signal The receiving circuit in the indoor unit consists of a comparator and transistor The interface signal from the outdoor unit on the DC 35V line is supplied to C821 where DC components are eliminated and is then shaped by the comparator The shaped signal is detected by diode amplified by amp and output to pin 49 of the indoor microcomputer Fig 3 2 shows the waveforms at each component when data is transferred from the outdoor microcomputer to the indoor microcomputer 3 2 Communication signal from indoor microcomputer to outdoor microcomputer The request signal SDO generates by indoor microcomputer is output to pin 60 and amplifies by Q801 I F signal approx 38 kHz is generated by comparator then modulated by the signal from pin 60 of indoor microprocessor This modulated I F signal is then amplified and superimposed to DC 35V line via L801 and C802 of indoor interface circuit Fig 3 3 shows the waveforms at each component when data is transferred from outdoor microcomputer to indoor microcomputer The circuit oper
189. er circuit circuit Outdoor microcomputer AX 8V11 45 Relay drive circuit Electric expansion valve DC compressor motor Reversing valve control circuit A Yon e Reversing valve coil ORGANIGRAMME DE CONTROLE MOD LE RAF 35NX2 RAC 35NX2 UNIT INT RIEURE OUTDOOR UNIT Power source 10 50Hz 220 230V POWER SWITCH T l commande sans fill Circuit de r ception de lumi re Circuit d avertisseur sonore D POWER RELAY gt gt RECTIFIER Inrush current Protection circuit HARMONICS IMPROVEMENT CIRCUIT Outdoor DC fan motor IPM M DC compressor motor Rotor magnetic pole position detection circuit Filtre gt Voyant t mion Fonctionnement Programmateur Thermistance d changeur de chaleur Thermistance de temp rature de la pi ce M Moteur de balayage automatique 1 Interrupteur auxiliaire Circuit de configuration initiale Circuit d horloge du Microprocesseur int rieur AX 7X30 Circuit d interface int rieure ext rieure Circuit de commande ____ de moteur CC de ventilateur Moteur CC de ventilateur int rieur microprocesseur 46 DC35V Overheat thermistor Defrost thermistor Outdoor
190. est d chir e ou est incrust e Le voyant du MINUTERIE de l appareil int rieur clignote Vu que le cycle de clignotement indique la nature du d faut v rifier commentestce cycle avantde mettre l interrupteursur OFF ARRET Remarques Lors d une utilisation lente et d un arr t les ph nom nes suivants peuvent se produire l occasion mais ils ne sont pas totalement inad quats 1 Un bruit du r frig rant dans le tuyau de r frig ration 2 Un petit bruit de la case du ventilateur qui refroidit et se r chauffe petit petit apr s arr t Une odeur sera mise par l appareil car il a tendance garder les odeurs comme la fum e les aliments les cosm tiques et ainsi de suite Veuillez donc nettoyer le filtre air et l vaporateur r guli rement pour r duire les odeurs Veuillez contacter votre vendeur imm diatement si le climatiseur ne fonctionnne pas normalement apr s l inspection ci dessus Informez votre agent du mod le de votre appareil du num ro de s rie et de la date d installation Veuillez aussi l informer du d faut en question noter Au moment de la mise en marche de l quipement notamment lorsque la pi ce est sombre une l g re variation de luminosit risque de se produire Ceci n a pas d effet nuisible Les conditions impos es par les compagnies d lectricit locales doivent tre respect es 66 CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAF 35NX2 23
191. est accumul e dans l appareil int rieur et commande l unit de se d congeler automatiquement si n cessaire Voyant OP RATION qui clignote ndique que la phase de pr chauffage ou de d cong lation a eu lieu clignote lorsque le circuit de protection ou le capteur de pr chauffage continue onctionner apr s que l unit s est arr t e ou durant le pr chauffage pour ensuite recommencer ou quand le mode de fonctionnement passe de r frig ration chauffage La temp rature saisie n est pas obtenue Sil appareil continue ne pas fonctionner normalement apr s avoir fait les contr les ci dessus mettre l interrupteur sur OFF et contacter imm diatement le revendeur La temp rature r elle de la pi ce pourrait tre l g rement diff rente par rapport celle saisie sur la t l commande car cela d pend du nombre de personnes dans la pi ce des conditions internes et externes et de l influence des conditions des autres pi ces quand l appareil d air climatis est utilis e pour plusieurs pi ces en m me emps Contacter imm diatement le revendeur si une des anomalies suivantes devait se produire L interrupteur s teint ou le fusible br le fr quemment ve Le fonctionnement du commutateur n est pas stable Une substance trang re ou de l eau a p n tr accidentellement dans l appareil int rieur Le c ble d alimentation lectrique chauffe trop la gaine s
192. eut tre maintenu moins de 120 minutes quand la temp rature ambiante est 18 C ou plus il n est pas pr vu quand la temp rature ambiante est inf rieure 18 C et la temp rature ext rieure inf rieure 2 C 6 L indicateur de fonctionnement clignote toutes les secondes pendant le fonctionnement de cycle initial le pr chauffage le d givrage temps d quilibrage termin apr s le d givrage y compris et en d givrage auto fresh Pour juger du pr chauffage le pr chauffage commence si la temp rature d change thermique est inf rieure UYNEOFC et est annul e si la temp rature d change thermique est YNEOF plus 0 33 C ou sup rieure au d marrage du fonctionnement l aide de la touche START STOP 8 Pendant le fonctionnement la vitesse de ventilateur Lo ou Silent la vitesse du compresseur est r gl e WBEMAX ou au dessous Elle est limit e WJKMAX ou au dessous quand la vitesse du ventilateur est Med 9 Si la temp rature ext rieure donn e de l unit ext rieure est 6 C ou plus la vitesse maximale du compresseur est WSRD 10 Si la temp rature ambiante tombe moins de 18 C en mode Ultra Lo le ventilateur int rieur s arr te Quand la temp rature ambiante est de 18 0 33 C ou plus le fonctionnement Ultra Lo red marre Mais le fonctionnement Ultra Lo pendant le pr chauffage ou le pr chauffage apr s d givrage ne s arr te pas si la temp rature ambiante est inf rieure 18 C 11 WMA
193. fying when the room temperature is over 16 C When it is under 15 C the dehumidifying function will not work Press the FUNCTION selector so that the display indicates DEHUMIDIFY Press the FAN SPEED button to select LOW and SILENT Press the 0 START STOP button W When you want to change the operation mode please use the FUNCTION selector W Set the desired temperature is available W You also can use the FUNCTION selector to select this operation Dehumidifying Function Dehumidifying takes place with a target temperature which is slightly lower than the room temperature setting However target temperature is 16 C for a temperature setting of 16 C If the room temperature becomes lower than the target value operation stops If the room temperature becomes higher than the target value operation restarts The preset room temperature may not be reached depending on the number of people present in the room conditions ENGLISH COOLING OPERATION FAN OPERATION Use the device for cooling when the outdoor temperature is 10 to 42 C If humidity is very high over 80 indoors some dew may form on the air outlet grille of the indoor unit Press the FUNCTION selector so that the display indicates COOL Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting
194. ges the air conditioner will once again select the appropriate operation heating or cooling to adjustthe temperature to the preset temperature The monitoring operation range is 3 C relative to the preset temperature f the mode automatically selected by the unit is not satisfactory manually change the mode setting heat dehumidify cool or fan N Press the START STOP button Operation starts with a beep Press the button again to stop operation W the settings are stored in memory in the remote controller you only have to press the START STOP button next time You can raise or lower the temperature setting as necessary by maximum f 3 C 62 __ Press the temperature button and the temperature t u tting will change by 1 C each ti C v setting will change by each time The preset temperature and the actual room temperature may vary somewhat depending on conditions Press the FAN SPEED button AUTO LOW and SILENT are available 7 ENGLISH HEATING OPERATION Use the device for heating when the outdoor temperature is under 21 C When it is too warm over 21 C the heating function may not work in order to protect the device order to keep reliability of the device please use this device above 15 C of the outdoor temperature Press the FUNCTION selector so that the display indicates
195. he like 6 Le fer souder doit tre aliment par un c ble trois conducteurs dont un pour la mise la terre Surface m tallique aluminium acier inoxydable etc Fil de cuivre nu pour mise la terre du corps Plan de travail ie R sistance de Fig 3 Mise a la terre d un plan de travail fer a souder Se Poser ici une rondelle ventail et la visser Cable de masse Fig 4 Mise a la terre d un fer a souder Vous pouvez galement utiliser un fer a souder ordinaire dans la mesure o il est parfaitement isol au moins sous 100V 7 Pendant le contr le des circuits au cours des op rations d entretien ou d inspection vitez a tout prix la mise en court circuit de la charge par les pointes de contact de l appareil de mesure ACAUTION 1 In quiet operation or stopping the running its heard slight flowing noise of refrigerant in the refrigerating cycle occasionally but this noise is not abnormal for the operation 2 When it thunders near by it is recommend to stop the operation and to disconnect the power cord plug from the power outlet for safety 3 The room air conditioner dose not start automaticaly after recovery of the electric power failure for preventing fuse blowing Re press START STOP button after 3 minutes from when unit stopped 4 If the room air conditioner is stopped by adjusting thermostat or missoperation and re start in a mo
196. he thermistor connector Yes disconnected The problem may be forgetting to connect after servicing No gt Connect the thermistor Is the continuity of the thermistor normal Yes N gt Replace the thermistor Is the thermistor circuit normal gt Replace parts in the thermistor circuit Check continuity of pattern and lead wires according to the P W B and schematic diagrams Z Yes LD301 blinks 6 times The temperature at the gt OH thermistor rises LD301 blinks 5 times Y S Overload lower limit cut No Yes LD301 blinks 4 times Failure of switching No LD301 blinks 3 times Abnormal low speed Yes Is the thermistor circuit normal Yes Replace the main P W B Replace parts in the thermistor circuit Check to see if the refrigerating cycle is defective Check the indoor unit for clogged heat exchanger or filter Check the outdoor unit for defective shielding Is the 15V power supply output normal Power P W B display Yes Is the intelligent power module IPM normal Inverter section VY Yes See System Power Module Diag
197. his input with the set value and if the input exceeds the set value it enters overload control status The set Value is determined by the amplification of the voltage amp circuit Amplification high DC current low Amplification low gt DC current high Fig 6 4 shows the rotation speed control When the voltage at pin of the microcomputer exceeds the set value the microcomputer decreases the rotation speed of the compressor and reduces the load Judgment value according to rotation speed internal judgment value DC current Rotation speed Fig 6 4 113 IPM Detection IN Resistor DC Current Direct Current i E j l 9 8 Q501 I R513 Power WB ____ R906 ov 29 Eod 8 5 8 Microcomputer ov 0 69 v d 5V 9 ov OV 1 sO ip SV TA 2 6 S ov P 7 36 R248 1 1 R245 1 tE H TR 8 c ov ov ov cn 3 gt CN4B CN4A R222 8 16009 poor R005 8 el 8 8 T ov 8 5 Sr Ap ov ov ov ov gt R287 0208 12V Reset output e iB 15 8 l 1 GEEN 1 ov 4 ela 8 Reset ov ov ov Main P W B ov 1 IS OVL Fig 6 2 The voltage amp circuit amplifies the DC current level detected by the detection transformer CT1 Receiving this the microcomputer converts it to a d
198. i Approx Time until the Approx lamp lights Approx 10 seconds He 36 seconds Possible malfunctioning Compressor part Gas Compressor leakage Is the self diagnosis lamp mode as YY Blinking shown on the right Outdoor air temperature Charge port pressure MPa G kef cm G YES 2 96 30 14 2 62 26 72 2 31 23 58 2 03 20 73 1 78 18 14 1 55 15 79 1 34 13 66 1 15 11 74 0 98 10 02 0 83 8 48 0 70 7 10 0 58 5 89 0 47 4 81 R410 A The values above are the theoretical ones Normal Stop to operate and check the gas e Checking the IPM main P W B pressure in balancing mode Error Gas leaking When the self diagnosis lamp lights in the same condition as above The compressor is defective Replace it Gas leaks and seal refrigerant Repair and seal refrigerant the compressor checker for inverter type air conditioner is available re check using it Perform a final check of operation 147 1 Troubleshooting procedure No operation No heating No cooling Lighting mode gt Connect U V W phase leads to the Sel Be ud dimos 5 times times times power module again and operate the CHECKING THE REFRIGERATING CYCLE JUDGING BETWEEN GAS LEAKAGE AND COMPRESSOR DEFECTIVE Within i Approx Time until the Approx lamp lights Approx 10 seconds He 36 secon
199. i la pulsation de feedback est de 100 min ou moins en raison d un blocage du moteur de ventilateur ou d une panne la sortie du ventilateur sera temporairement arr t e et consid r e comme une erreur de blocage de ventilateur Au bout de 10 secondes la sortie de la pulsation red marre Si une erreur de blocage de ventilateur est d tect e deux fois sur une p riode de 30 minutes toutes les unit s sont arr t es et l unit passe en mode de panne Le voyant de la minuterie clignotera 10 fois Em 4 Buzzer Circuit 12V Microcomputer 62 Buzzer output Q722 Fig 4 1 Buzzer Circuit When the buzzer sounds an approx 3 9kHz square signal is output from buzzer output pin 69 of the micro computer After the amplitude of this signal has been set to 12Vp p by a transistor it is applied to the buzzer The piezoelectric element in the buzzer oscillates to generate the buzzer s sound Metal diaphragm FZzzzzzzzzzzzzzzzzzza Piezoelectric element TS TON 4 a NS Sound wave V 4 V Sa SE NA Fig 4 2 Buzzer Operation 5 Receive Circuit 12V Q212 R216 w 9 R215 4 Voo Nt R217 R611 al T V A IRR out MN MN 43 WIRELESS INPUT N GND Mi icrocomputer OV OV Fig 5 1 The light receiving unit receives an infrared signal from the wireless remote control The receiver amplifies
200. i5 Silent Sleep Ventilateur ext rieur Lo Vitesse de compresseur Vitesse de compresseur Remarques 1 Le mode de veille d marre lorsq on appuie sur la touche de veille 2 Quand la touche de veille est r gl e la vitesse maximale du compresseur est limit e CBEMAX et le ventilateur int rieur est r gl Sleep Silent FCSOY 3 Si le mode op ratoire est chang pendant la veille la temp rature r gl e est effac e et le changement commence partir du point o la commutation a t faite 4 La vitesse du ventilateur int rieur ne change pas m me si le mode vitesse de ventilateur est chang 5 Quand l op ration est arr t e pendant la veille le comptage de la temp rature r gl e l arr t ainsi que de l heure continue 6 Si l heure r gl e est chang e pendant la veille toutes les donn es y compris la temp rature r gl e l heure etc sont effac es et red marr es 7 Si la veille est annul e par la touche d annulation ou la touche de veille toutes les donn es sont effac es 8 Le ventilateur int rieur est arr t quand thermo est en ARRET pendant la veille 9 n y a pas de changement de la temp rature pr r gl e due au temps coul 54 D givrage en mode FROID TEIOF TEION Signal de d givrage en mode de r frig ration Temp rature d change de chaleur int rieur Hi Med Voir fon
201. ice d fectueuse Le mode d fectueux survenu en dernier est m moris Les modes d fectueux dont la fr quence d occurrence est trop faible pour l indication sur l unit int rieure sont aussi stock s dans la m moire ce qui permet de trouver le ph nom ne d fectueux qui n a pas t contr l la visite en effa ant la m moire et en rev rifiant le contenu de la m moire ult rieurement M thode de r indication du mode d fectueux 1 Mettez le disjoncteur sur ARRET et r glez la t l commande la position STOP pas d tat d indication 2 Mettez le disjoncteur sur MARCHE 3 R glez la t l commande COOL et 32 C et appuyez sur la touche D en pressant la touche de temp rature A gt Transmission 4 L unit principale met le bruit de r ception Pi et passe en mode d indication de d faillance La lampe du programmateur s allume et s teint mais si l unit pas de m moire l indication n appara t 5 Finissez en tournant le disjoncteur sur ARRET Mettez le sur ARRET sans faute M thode d effacement des donn s de mode d fectueux 1 la r indication du mode d fectueux Proc dez sans faute la r indication pas la t l commande sauf pour les modes indiqu s 2 Mettez le disjoncteur sur ARRET Maintenez en ARRET plus de 5 secondes Mettez le disjoncteur sur MARCHE R glez la t l commande sur HEAT 16 C et appuyez sur la
202. ie pour alimenter l unit int rieure 35V CC est g n r e l alimentation dans l unit ext rieure envoy e l unit int rieure via les cordons de raccordement C et D Alors 12 V CC ligne 12 V sont g n r s via un convertisseur CC CC de la tension envoy e par l unit ext rieure parce que la tension de contr le de 12 V est requise pour mener le woteur de balayage automatique 1 De plus 5 V ligne 5 V requis pour entra ner le microprocesseur et contr ler le moteur de ventilateur sont g n r s l aide du r gulateur trois bornes IC121 74 2 Reset Circuit 7 RES 5V o D 2 re 552 4 La 8 N Ba IC521 Fig 2 1 Power ON Voltage Voltage supply to pin 2 of 12521 Reset release at 4 4V Voltage Voltage at pin 7 5 0V of microcomputer Fig 2 2 NORMAL HI RESET LO Microcomputer Power OFF Reset enter at 4 2V The reset circuit initializes the microcomputer program when power is ON or OFF Low voltage at pin D resets the microcomputer and Hi activates the microcomputer When power ON 5V voltage rises and reaches 4 4V 1 of IC521 is set to Hi At this time the microcomputer starts operation When power OFF voltage drops and reaches 4 2V pin of IC521 is set to Low This will RESET the microcomputer
203. igital signal and compares it with the internal data to judge whether or not overload control is required Fig 6 3 shows the rotation speed control When the voltage at pin 61 of the microcomputer exceeds the set value the microcomputer decreases the rotation speed of the compressor and reduces the load Welie at microcomputer pin d Rotation speed of compressor Command rotation speed Actual rotation speed Decelerating Accelerating Decelerating Accelerating Fig 6 3 2 ID OVL Fig 6 2 The filter consisting of R245 and C217 removes high harmonic frequencies from the voltage generated by the current flowing to Detection resistor R245 and C217 average the voltage This voltage is then input to IC4 pin 5 and supplied to microcomputer pin 60 The microcomputer compares this input with the set value and if the input exceeds the set value it enters overload control status The set Value is determined by the amplification of the voltage amp circuit Amplification high DC current low Amplification low gt DC current high Fig 6 4 shows the rotation speed control When the voltage at pin of the microcomputer exceeds the set value the microcomputer decreases the rotation speed of the compressor and reduces the load Judgment value according to rotation speed internal judgment value DC current Rotation speed Fig 6 4 114 R003 R004 R608 R613 detect the DC voltage at the power c
204. inning of heating the fan speed remains LOW for 30 seconds If HIGH is selected it switches to LOW and again to MED after additional 30 seconds When the fan speed is set at HIGH or MED the flow is actually Weak If temperature is high in the outdoor heating operation may stop to protect internal devices Heating operation stops while the temperature is preset at 30 129 MODE OPERATOIRE DE DEPANNAGE MOD LE RAF 35NX2 RAC 35NX2 MODE REFROIDISSEMENT Le compresseur s est arr t brusquement pendant l op ration de refroidissement Un bruit d eau qui coule est audible de l unit int rieure pendant la d shumidification De l air froid sort pendant la d shumidification Le fonctionnement ne s arr te pas m me en r glant la temp rature plus haut que la temp rature ambiante la t l commande La circulation s arr te parfois en Mode Chauffage Lorsque la vitesse du ventilateur est r gl e sur HIGH ou MED le flux d air est en fait assez faible la temp rature est pr r gl e sur 30 V rifiez si l changeur thermique int rieur n est pas givr Attendez 3 ou 4 Soit d givr Le compresseur ne fonctionne pas parfois pendant la d shumidification Le chauffage s arr te alors que Si le climatiseur fonctionne en mode de refroidissement par temps froid il se peut que du givre se forme au
205. ion 8 2 Rune at Lo when thermo la When the operating mode is switched to auto while operating at manual mode Is oit b Judging method Hi Operates at Hi regardless of Set to Ultra Hi when the Set to Ultra Lo Lo Med Hi Ultra Hi or Stop depending on the room 0 Room temperature 25 Cooling the room temperature compressor runs at maximum temperature and time 0 Room temperature 25 C 3 C Heating temperature speed and to Hi in other Set to Stop if the room temperature is 18 C in the Ultra Lo mode other 23 C is the fine adjustment value from the remote controller 3 modes than during preheating cooling is recovered at 18 33 Q Set to Ultra Hi when the compressor is running at maximum speed during 8 hot dash or when recovered from defrosting 16 C 27 C Outdoor i i i i i j temperat Med Operates at Med regardless Same as at left Set to Ultra Lo Lo Med Stop depending on the room temperature and time Judging E mode change during operation Continuous judgment Eee of the room temperature Set to Stop if the room temperature is 18 C in the Ultra Lo mode other than during a m poe or Ju amnem 9 pns preheating cooling is recovered at 18 33 ned operation is started again before 1 hour has elapsed since the operation was stopped Lo Operates at Lo regardless of Same as at left Set to Lo in modes other than Set
206. ion do not operate the remote controller except for indicated ones Turn the circuit breaker OFF Continue OFF more than 5 seconds Turn the circuit breaker ON Set the remote controller HEAT and to be set 16 C and press th button while pressing th v Jof temperature buttons Transmission Finish the clear after having the receiving sound Pii one second Turn the circuit breaker OFF and finish Please turn OFF once without fail Notes e This function is valid only once right after switching ON the power and does not work if other remote controller operation was made prior to it Take note that this function may not work when not following the above procedures If it does not work switch OFF the power and try again e If nothing is stored in the memory the lamp does not blink even if re indication operation is carried out e After carrying out re indication operation the remote controller operation will not be accepted once the data has been cleared To carry out normal operation switch OFF the power beforehand 159 Fonction de m moire d autodiagnostic Les modes d fectueux stock s dans la m moire non volatile de l unit int rieure sont r indiqu s par op ration de la t l commande Ceci est utilis pour contr ler le mode d fectueux lors de la commutation ARRET de l alimentation ou red marrage du fonctionnement sans contr ler le nombre de clignotements de la lampe indicatr
207. ircuit The microcomputer receives a DC voltage and applies correction to the overload set value so the DC current will be low when the DC voltage is high Since the load level is indicated by the DC voltage multiplied by DC current R247 R248 R249 are provided to perform the same overload judgement even when the voltage varies DC voltage Low DC current High DC voltage 260V DC voltage High DC current Low DC current 0 Rotation speed Fig 6 5 3 Start current control It is required to maintain the start current DC current constant to smooth the start of the DC motor of the compressor RAC E14H2 uses software to control the start current The start current varies when supply voltage varies This control method copes with variations in the voltages as follows 1 Turns on the power module s U and V transistors so the current flows to the motor windings as shown in Fig 6 6 2 Varies the turn ON time of the U transistor according to the DC voltage level and the start is controlled so the start current is approx 10 DC current PO Compressor motor DC Voltage N Detection resistor Fig 6 6 115 R003 R004 R608 R613 detect the DC voltage at the power circuit The microcomputer receives a DC voltage and applies correction to the overload set value so the DC current will be low when the DC voltage is high Since the load lev
208. is case LD302 on control P W B will blink 12 times Fan Motor lock detected R107 and ICA are used for Fan Motor over current 125 10 Outdoor DC Fan Motor control circuit Motor coi RC Filter POWER P W MAIN P B A f 1A FUSE 6101 S tut Q B oT 8 15V TABOA Dov ul R107 glee mit GPU control voltage pulse Q0 Sem d TON24 DA IE ON PA Ap 7 DC fan motor with control board 8105 KL C208 bf Microcomputer al 14 R283 3 u 19 je 0v 02015597 3 ovl R298 C FM 60 R106 Tor FG PULSE INPUT This model uses DC Fan Motor which has a controller circuit built in the Motor This DC Fan Motor will rotate by control voltage apply to Vsp input Voltage range 1 7 to 7V DC Vsp high Faster Vsp low slower Vsp lower than 1 7V stop Motor will output FG pulse by following this motor revolution Outdoor microcomputer will output PWM control signal from 05 by following the instruction from indoor microcomputer This PWM control signal will
209. l afficheur fait apparaitre le r glage qui est effectu Le r glage de temp rature et la temp rature r elle de la pi ce risquent de pr senter quelques diff rences suivant les conditions d utilisation de l appareil Appuyer sur la touche D MISE EN MARCHE ARR T Le mode de r frig ration est appliqu et confirm par l mission d un signal Sonore Appuyer encore une fois sur cette touche pour arr ter l appareil Le mode de r frig ration n entre pas en fonction quand le r glage de temp rature est sup rieur la temp rature actuelle de la pi ce bien que le t moin D RUN soit allum Le mode de r frig ration est appliqu d s que la temp rature est r gl plus bas que la temp rature r elle de la pi ce tant donn que les r glages sont conserv s dans la m moire du bo tier de t l commande la seule op ration faire quand l appareil doit tre remis en marche consiste appuyer sur la touche D MISE EN 54 FONCTIONNEMENT DE VENTILATEUR est galement possible de se servir de comme d un simple appareil de circulation d air Choisir cette fonction pour ass cher l air int rieur de l appareil int rieur quand l t est termin HITACHI Appuyer sur la touche de s lection de mode de fonctionnement pour faire appara tre le mode de fonctionnement VENTILATEUR Utiliser la to
210. l arr t ou celle de mise en fonction mise l arr t la minuterie de temporisation se d clenche la place de la minuterie de mise l arr t ou de celle de mise en fonction mise l arr t r gl e au pr alable 58 AJUSTEZ LE VOLET D AIR 7 Ajustement de l air climatis vers le haut et vers le 2 Ajustement de l air conditionn vers la gauche ou la bas Le d flecteur d air horizontal est r gl automatiquement sur l angle qui convient chaque mode de fonctionnement Le d flecteur peut osciller constamment de haut en bas et peut tre r gl sur un angle donn en appuyant sur la touche OSCILLATION AUTOMATIQUE e Si on appuie une fois sur la touche 3c Pendant OSCILLATION AUTOMATIQUE le Vertical d flecteur horizontal oscille vers le haut et environ 50 __Pendantles Environ modesde N 30 refroidissement d shumidification environ 40 le bas Si on appuie nouveau sur la touche le d flecteur s arr te dans la position ou il se trouve Utilisez le d flecteur d air horizontal dans les limites d ajustement illustr es ci contre Lorsque la touche x OSCILLATION AUTOMATIQUE est press e alors que le fonctionnement est interrompu le d flecteur d air horizontal se d place et s arr te sur la position qui correspond la fermeture de l ouverture de pulsion d air Lorsque le fonctionnement d oscillatio
211. la temp rature de la pi ce en raison de la forme de la pi ce des courants d air etc R glez la temp rature sur un r glage convenant l espace Il y a une diff rence entre la temp rature r gl e et la temp rature de la pi ce 134 Air does not flow immediately after operation is started The unit is operated after built in installation behind the lattice door It turns off for a long time and the room is not warmed cooled 135 Preliminary operation is performed for one minute when the power switch is turned on and heating or dehumidifying is set The operation lamp blinks during this time for heating This does not indicate a fault Check to see if warm cool air is being short circuited behind the lattice door A short circuit is likely to occur when the deflector position is not appropriate the lattice does not have a big enough opening and or the unit is installed in the inner part Install the unit as near the lattice door as possible L air ne souffle pas imm ditement apr s la mise en marche L unit est mise en fonctionnement apr s une installation encast e derri re une porte en treillis Elle s arr te pendant une longue p riode alors que la pi ce n est pas r chauff e refroidie 136 Apr s la mise sous tension et le choix du mode de chaffage ou de d shumidification des op retions pr liminaires sont effectu es pendant une minu
212. le mode de vitesse du ventilateur est modifi Lo 5 Lorsque le d givrage doit tre r gl pendant le fonctionnement en veille le d givrage est activ et le fonctionnement en veille est restaur apr s le d givrage 6 Quand le fonctionnement est arr t en veille le comptage de la temp rature r gl e l arr t ainsi que du temps continuent 7 Si l heure r gl e est chang e pendant la veille toutes les donn es incluant la temp rature r gl e le temps etc sont effac es et red marr es 8 Si le fonctionnement en veille est annul l aide du touche de Annuler ou du touche de Veille toutes les donn es sont effac es 9 1 n y a pas de changement de temp rature pr r gl e due au temps coul 60 REFRIGERATING CYCLE DIAGRAM MODEL RAF 35NX2 RAC 35NX2 COOLING CYCLE OUTDOOR UNIT A Silencer lt Service valve 1 31 Ta Charge port SINGLE ENDED UNION 1 3 1 37 INDOOR HEAT EXCHANGER x _ Reversing valve SUCTION TANK COMPRESSOR M AIR FLOW Electric Expansion valve Service valve 0 4 3 ei SINGLE ENDED UNION 1 47 Strainer Strainer we 12 HEATING CYCLE OUTDOOR UNIT
213. le tirant vers vous 68 6 ELECTRICAL PARTS CASE 1 Remove the front panel and the front cover 2 Remove the 3 fixing screws of the electrical parts case Electrical parts case Je Screw 69 6 BOITE DE PIECES ELECTRIQUES 1 Retirez le panneau frontal et le couvercle frontal 2 Retirez les 3 vis de fixation de la bo te de pi ces lectriques Bo te de pi ces lectriques Vis ee 7 FAN MOTOR AND TANGENTIAL AIR FLOW FAN 1 5 screws that are the fixation of evaporator are removed 2 The tab where the left side of evaporator is fixed is removed 3 Evaporator is lifted up and removed d Evaporator Screw 4 Two screws that is the fixation of fan motor suppo
214. let 3 Diriger la fen tre de transmission des signaux du bo tier de t l commande vers l appareil int rieur et appuyer sur la touche I RESERVE La marque 9 MISE EN FONCTION s allume au lieu de clignoter et la marque RESERVE s allume Un signal sonore est mis et le t moin MINUTERIE s allume dans l appareil int rieur p L appareil se mettra automatiquement en marche plus M REUS EMEN t t pour atteindre la temp rature pr r gl e 7h00 Cun CO gt Ceci conclue les r glages mise fonction de par minuterie de mise en fonction 2 Introduire l heure mise en fonction avec la touche de MINUTERIE Exemple 4 Introduire l heure de mise en 5 Diriger la fen tre de transmission des signaux du bo tier de t l commande fonction avec la touche de vers int rieur et appuyer sur la touche I RESERVE MINUTERIE La marque MISE EN FONCTION s allume au lieu de clignoter et la marque RESERVE s allume Un signal sonore est mis et le t moin MINUTERIE s allume dans l appareil int rieur 10 30 Exemple 9 mitt 30 L appareil s arr tera 22h30 puis il se mettra L 25 automatiquement en marche plus t t pour atteindre la x gt temp rature pr r gl e 7100 L Co 4 Ceci conclue les r glages de mise en fonction d arr t de l appareil par minuterie de mise en fonction d arr t
215. lignote 1 fois b Apr s l coulement de 3 minutes LD302 teint et LD301 clignote 1 fois l unit rebasculera en mode de fonctionnement normal 176 CHECKING THE REMOTE CONTROLLER 15 battery polarity correct Install the battery in the correct polarity V Yes Yes Is the battery check sign gt flashing Replace the battery Turn on an AM radio bring the remote control switch within 15 cm of the radio and press the ON OFF button V Does the radio buzz noisily Yes Check the LED D1 with a multimeter Buzz NX Check the indoor unit signal receiving P W If it is good check the main P W You can check the remote control switch by AM radio other methods as explained below Using the test card Ultra redray test card Sensible area n Check functions again Within 2 cm If it does not work replace the remote controller The sensible area should flash in orange when you operate the remote control unit if it is good 177 CHECKING THE REMOTE CONTROLLER 15 battery polarity correct Install the battery in the correct polarity V Yes Yes Is the battery check sign gt
216. link 4 times Be sure to push the service switch for a second again to stop the forced cool operation HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY 1 Connect the large dia pipe side and small dia pipe side service valve using a pipe D Connect the small diameter service value and the large diameter service valve using the reducing union and copper pipe as shown on the right Charge refrigerant of 300g after vacuuming 31 Outdoor unit Compressor 1 1 Reversing Large dia service valve Reducing union 477 2 8 and 3 8 1 Copper pipe 1 2 8 1 Small diameter service valve a Parts to be prepared N 1 Reducing union 2 8 6 35 mm 3 8 9 52 mm 2 Copper pipe 2 8 and 3 8 J Do not operate for more than 5 minutes The operation method is the same as How to operate using the connector to servicing the outdoor unit x1 The charging amount of 200g is equivalent to the load in normal operation 183 HOW TO OPERATE USING THE SERVICE SWITCH THE OUTDOOR UNIT MODEL RAC E14H2 1 Turn off the power switch 2 Remove the electrical box cover 3 Turn on the power switch 4 After waiting for 30 seconds push the service switch for a second LD303 red will light and the unit will operate in the forced cooling mode at this time
217. m the remote controller Handle the remote controller with care Dropping it or getting it wet may compromise its signal transmission capability After new batteries are inserted into the remote controller the unit will initially require approximately 10 seconds to respond to commands and operate _ Ne Signal emitting window transmission sign Point this window toward the indoor unit when controlling it The transmission sign blinks when a signal is sent e Display This indicates the room temperature selected current time timer status function and intensity of circulation selected START STOP button Press this button to start operation Press it again to stop operation AUTO SWING button Controls the angle of the horizontal air deflector FAN SPEED selector This determines the fan speed Every time you press this button the intensity of circulation will change from AUTO to to MED to LOW to B SILENT This button allows selecting the optimal or preferred fan speed or each operation mode SLEEP button Use this button to set the sleep timer TEMPERATURE buttons Use these buttons to raise or lower the temperature setting Keep pressed and the value will change more quickly 7 E TIME button Use this button to set and check the time RESET button
218. matically restarted when the power is resumed with previous operation mode and airflow direction As the operation is not stopped by remote controller If you intend not to continue the operation when the power is resumed switch off the power supply When you switch on the circuit breaker the operation will be automatically restarted with previous operation mode and airflow direction Note 1 If you do not require Auto Restart Control please consult your sales agent 2 Auto Restart Control is not available when Timer or Sleep Timer mode is set AUTOMATIC OPERATION The device will automatically determine the mode of operation HEAT COOL or DEHUMIDIFY depending on the initial room temperature The selected mode of operation will change when the room temperature varies However the mode of operation will not change when indoor unit connected to multi type outdoor unit A m MON Press the FUNCTION selector so that the display indicates the 6 AUTO mode of operation When AUTO has been selected the device will automatically determine the mode of operation HEAT or COOL depending on the current room temperature When AUTO is first selected the device will determine the current room temperature and select the proper operation mode accordingly When the air conditioner has adjusted the room s temperature to the near preset temperature it will begin to monitor operation If the room temperature subsequently chan
219. ment there is occasion that the cooling and heating Operation does not start for 3 minutes it is not abnormal and this is the result of the operation of IC delay circuit This IC delay circuit ensures that there is no danger of blowing fuse or damaging parts even if operation is restarted accidentally 5 This room air conditioner should not be used at the cooling operation when the outside temperature is below 10 C 14 F 6 This room air conditioner the reverse cycle should not be used when the outside temperature is below 15 C 57 If the reverse cycle is used under this condition the outside heat exchanger is frosted and efficiency falls 7 When the outside heat exchanger is frosted the front is melted by operating the hot gas system it is not trouble that at this time fan stops and the vapour may rise from the outside heat exchanger ATTENTION 1 Dans certaines conditions et pendant un arr t de fonctionnement on peut parfois entendre le bruit du r frig rant circulant dans les canalisations ce bruit n a rien d anormal Pour des raisons de s curit il est conseill pendant un orage d arr ter le fonctionnement du syst me en coupant l alimentation lectrique Pour viter que le fusible ne fonde le climatiseur ne d marre pas automatiquement apr s une panne de secteur La remise en marche suppose une pression sur la touche START STOP apr s un d lai d au moins 3 minutes suivant l arr t
220. microcomputer via the circuit interface The microcomputer always reads the outdoor temperature via a thermistor microcomputer pin 64 an transfers it to the indoor unit thus controlling the compressor rotation speed according to the value set at the EEPROM in the indoor unit and switching the operation status outdoor fan on off etc in the dehumidifying mode The following shows the typical values of outdoor temperature in relation to the voltage Table 7 1 Outdoor temperature 10 0 10 20 30 40 R303 Voltage V 1 19 1 69 2 23 2 75 3 22 3 62 lt Reference gt When the thermistor is open in open status or is disconnected microcomputer pins 62 64 are approx OV when the thermistor is shorted they are approx 5 V and LD301 blinks seven times However an error is detected only when the OH thermistor is shorted in such a case the blinking mode is entered 12 minutes after the compressor starts operation 120 8 Reversing valve control circuit C 35V Power P W B MAIN P W B Reversing iod valve CN2 MnO 701 D701 EUR IE J paroi a le 1 l CN4B CN4A Microcomputer j On ee DC voltmeter V lt or multimeter 4 D OV Fig 8 1 Reversing valve control circuit will switch reversing valve ON OFF cooling ON according to instruction from indoor microcomputer depending on the operatio
221. mingt Shut 2 STARCPL WMIN P Maximum speed WBEMAX Compressor speed Notes 1 The defrosting inhibit period is set as shown in the diagram below When defrosting has finished once the inhibit period is newly set based on the outdoor temperature when the compressor was started During this period the defrost signal is not accepted 2 If the difference between the room and outdoor temperatures is large when defrosting is Notes finished the maximum compressor speed WMAX or WMAX2 can be continued for 120 1 The sleep operation starts when the sleep key is pressed minutes maximum 2 When the sleep key is set the maximum compressor speed is limited to WBEMAX and the indoor fan 3 The defrosting period is 20 minutes maximum is set to Sleep Silent FWSOY 4 When operation is stopped during defrosting it is switched to auto refresh defrosting 3 If the operation mode is changed during sleep operation the changed operation mode is set and sleep 5 Auto refresh defrosting cannot be engaged within 15 minutes after operation is started or control starts defrosting is finished 4 The indoor fan speed does not change even when the fan speed mode is changed Lo 5 When defrosting is to be set during sleep operation defrosting is engaged and sleep operation is restored after defrosting 6 When operation is stopped during sleep operation the set temperature when stopped as well as the time continue t
222. mis de l appareil int rieur D s que la fonction de minuterie de temporisation a t r gl e l afficheur fait apparaitre l heure de mise l arr t Indication AM Exemple Quand un r glage de 3 heures I t est programm la minuterie de temporisation 23h38 l heure de mise a l arr t sera 2h38 H L appareil int rieur s arr tera par l interm diaire de la minuterie de temporisation puis se mettra en fonction par l interm diaire de la minuterie de mise en fonction 1 Faire les r glages de la minuterie de mise en fonction 2 Appuyer sur la touche TEMPORISATION et faire les r glages n cessaires de la minuterie de temporisation MI Pour chauffer 210 Dans ce cas l appareil s teindra dans 2 heures A M 1 38 et s allumera t t le lendemain matin pour atteindre la d temp rature programm e A M 6 00 NE fie Comment annuler une programmation JL L H gt z m a Diriger la fen tre de transmission des signaux du bo tier de t l commande vers l appareil int rieur et appuyer sur la touche O ANNULATION La marque R SERVE s teint en m me temps qu un signal sonore est mis et le t moin MINUTERIE s teint aussi dans l appareil int rieur MESURE DE PR CAUTION Si vous r glez la minuterie de temporisation apr s la minuterie de mise
223. mis des piles neuves dans la t l commande met environ 10 secondes avant de r pondre aux commandes et de fonctionner HITACHI Fen tre d mission des rayons signe de transmission FONCTIONS DIVERSES Lorsque le courant est r tabli apr s une coupure l appareil se remet fonctionner automatiquement selon le mode et la direction du courant d air choisis pr c demment Parce que le fonctionnement n a pas t arr t l aide de la t l commande Mettre l interrupteur sur OFF si l on ne veut pas que l appareil se remette fonctionner quand le courant lectrique sera r tabli Quand l interrupteur est de nouveau sur ON l appareil se remet fonctionner automatiquement avec la direction du courant d air s lectionn e pr c demment Remarque 1 Contacter le revendeur s il faut liminer la fonction de remise z ro automatique des commandes 2 La remise z ro automatique des commandes n est pas disponible quand les fonctions normale les r dglages horaires la fonction choisie et la ____ Touche MISE EN MARCHE ARRET Appuyer sur cette touche pour mettre l appareil en mai touche l arr te 9 Touche d oscillation automatique ae Assure un contr le sur l angle d orientation du d flecteu Touche de r glage de pulssance de soufflerie MOYEN FAIBLE amp SILENCE Ce la vitesse id ale ou d sir e pour le ventilateur quel que Touche d
224. mm 5 EB amm ES mmo oom gE ai Ee sela E mom moo E mom uo ERE EE ww feee fomo Jan 000 oo 0 oo 0000 ooge 0000 oone nooo 0000000 D 208 0 ooo 000 n 000 0000 ao oma o oo 000 00 fan bo 0 goos 1 fonu moje4n m 00000 p o DID mna no 0 000 np mn m um 000 DD jan poi Um ooo 000 20 00 0000 nun n 0000 000 o 0000 100000 pur p a 000 00 nun p 0000 1000 oo 0 jm 000 20 un 0000 0000 100000000 000000 p m umn 0000 40 oo ido m 0000 foo oan 0000 000000 f 000 __ 20 90090 p ooo ri gj m Rum une pondo m E mm DDD nn nn n p nm 0000 1000 tan o 00 Coco 0000 40 00 0000 pogon hdo n 000 oon 1000000 0 mu 0000 400 pom og 1000 DDD an po z n oo pum onoo en pom num Im mn __ 0 oo 000 00 0 D joo nnn eu mm d nn 000 ooo fan pz um oum mon fan poo oon Dm mm nom 00 90 0000000 p 00 p n pooo 0000 ao oo 0000 Rum one do 000 oon foo po jun 00000 00 9070 D ooo
225. motor coil U coil gt V coil gt V transistor 2 U diode gt Point Fig 4 4 101 Intelligent power module switches power supply current according to position of the compressor motor rotor The switching order is as shown in Fig 4 2 At point U is ON Vis ON circuit in Fig 4 1 At point U is chopped OFF V is ON circuit in Fig 4 4 vt wt a vt Upper arm gt Lower arm b il 7 v7 W T Fig 4 2 Switching order of power module Upper arm transistor is controlled to ON OFF by 4 8kHz chopper signal Rotation speed of the compressor is proportional to duty ratio ON time ON time OFF time of this chopper signal Time T in Fig 4 2 shows the switching period and relation with rotation speed N of the compressor is shown by formula below N 60 2 X 1 T Fig 4 3 shows voltage waveform at each point shown in Figs 4 1 and 4 4 First half of upper arm is chopper second half is ON and first half of lower arm is chopper second half is ON U transistor chopped U transistor ON Voltage at amp H 280V 300V lt Chopping period Chopping period 208u sec ON Upper arm transistor Current at 8 Fig 4 3 Voltage waveform at each point When power is supplied Ut V because of that U is chopped current flows as shown below 1 When U transistor is ON U transistor U coil gt V coil gt V transistor DC current detection resistor g
226. n automatique est utilis si la position du d d flecteur d air horizontal est chang e manuellement le rayon d oscillation peut changer Cependant il reprendra sa position initiale apr s une bref laps de temps D flecteur vertical d air droite Tenez le volet d air vertical comme indiqu sur la figure et ajustez l air conditionn vers la gauche ou la droite A ATTENTION Lorsque vous utilisez l apareil en mode refroidir d flecteur d air tourn vers le bas et oscillant automatiquement pendant une longue p riode il se peut que l eau se condense sur le d flecteur d air et tombe goutte goutte Ceci risque de mouiller vos meubles 59 COMMENT REMPLACER LES PILES DU BO TIER DE T L COMMANDE Retirer le couvercle en proc dant de la fa on repr sent e sur l illustration ci contre et retirer les piles us es Appuyer sur le couvercle et le faire coulisser en agissant y dans la direction indiqu e par la fl che V Installer des piles neuves Le sens dans lequel les piles sont dispos es doit correspondre aux rep res qui se trouvent dans le boitier de t l commande A ATTENTION 1 Ne jamais m langer des piles us es et des piles ni des piles de diff rentes marques 2 Retirer les piles du bo tier de t l commande quand celui ci est appel ne pas tre utilis pendant deux ou trois mois INT
227. n condition shows in Table 8 1 Voltage at Q701 between Collector and Emittor in each operation condition is approximately as shown in Table 8 1 when measured by multimeter Table 8 1 Operation condition Collector voltage of Q701 Cooling General operation of cooling About 0 8V In normal heating operation About 35V Heating MAX rotation speed instructed by indoor microcomputer after defrost is completed About 35V Defrosting About 0 8V Dehumidifying Sensor dry z 421 About 0 8V 8 Reversing valve control circuit C 35V Power P W B MAIN P W B Reversing iod valve CN2 MnO 701 D701 EUR IE J paroi a le 1 l CN4B CN4A Microcomputer j On ee DC voltmeter V lt or multimeter 4 D OV Fig 8 1 Reversing valve control circuit will switch reversing valve ON OFF cooling ON according to instruction from indoor microcomputer depending on the operation condition shows in Table 8 1 Voltage at Q701 between Collector and Emittor in each operation condition is approximately as shown in Table 8 1 when measured by multimeter Table 8 1 Operation condition Collector voltage of Q701 Cooling General operation of cooling About 0 8V In normal heating operation About 35V Heating MAX rotation speed instructed by indoor mic
228. nection Is 5V being generated between DUNS Pin OV and Pin 5V at CN m power gt Replace any defective parts 18 test pin Has fuse blown NG bl If the 3A fuse has blown the varistor 2 etc Fuse blown may also be defective With the piping and lines L N C D connected operate the unit in the forced cooling mode using the outdoor unit service switch How did the self diagnosis See the self diagnosis lamp LD301 blink lamp mode 291 CHECKING OUTDOOR UNIT ELECTRICAL PARTS No operation or abnormal operation Is AC220 230V being generated at terminals L and N Yes If the 15A fuse has blown be aware that other parts may also be defective mainly varistor VS2 3A fuse gt Replace defective parts smoothing capacitors IPM etc Check to see if C and D cables are connected correctly If reversed or incompletely inserted Power is OK correct the cable connection Is 5V being generated between DUNS Pin OV and Pin 5V at CN m power gt Replace any defective parts 18 test pin Has fuse blown NG bl If the 3A fuse has blown the varistor 2 etc Fuse blown may also be defective With the piping and lines L N C D connected operate the
229. ng does not stop if the room temperature is less than 18 C 11 WMAX2 is used as the maximum compressor speed during hot dash when the outdoor temperature is less than 5 C 12 With thermo OFF or in approximately 1 minute after operation is stopped using the remote controller the fan operates in the Ultra Lo mode This operation is for discharging heat from the indoor unit 57 Fonctionnement de base MODE CHAUFFAGE SFTDSW OFTMPW 0 66 C de chauffage de consigne temp rature r gl e avec la t l commande SHIFTW 18 C P riode d activit intense Vitesse de ventilation r gl e sur n Thermo Thermo Arr Interrupteur marche arr t Marche Arr t Marche OFF Arr t Marche OFF 1 Jugement thermo Signal de d givrage 3min Temp rature ambiante temp rature ext rieure c est la vitesse ultra haute pour RTOSTA Jugement de pr chauffage eden Fr chaufage mis n rare Ultra Hi al me Ventilateur int rieur Med Lo k Contr le par l changeur de chaleur n Contr le par l changeur de chaleur Silent Sleep Contr le par l ch ngeur de mm Contr le par l changeur de chaleur Contr le par l changeur de chaleur Ultra Lo T moin de fonctionnement al RPMKEP P riode de pr chauffage est WMAX
230. ni la lame d aluminium pu J de l unit externe SHE NE PAS TOUCHER Risque de blessures Ne pas toucher le tuyau du r frig rant ni la soupape de raccordement li Risque de br lures NE PAS TOUCHER Cetappareil n est pas destin tre utilis par de jeunes enfants ou des personnes infirmes except sous la surveillance d une personne responsable qui s assurera qu ils peuvent utiliser cet appareil en toute s curit Les jeunes enfants doivent tre gard s sous surveillance afin de v rifier qu ils ne jouent pas avec l appareil 47 FRANCAIS NOMS ET FONCTIONS DE CHAQUE PARTIE APPAREIL INT RIEUR D flecteur horizontal d air UNIT EXT RIEURE POUR MODELE SINGLE SPLIT 7 Clignotants de Filtre air l appareil d interieur R cepteur de signes Panneau 32 T l commande NOM DU MOD LE ET DIMENSIONS frontal RAC 25NX2 MOD LE LARGEUR HAUTEUR PROFONDEUR RAF 25NX2 AC SONXS 760mm 600mm 235mm APPAREIL INTERIEUR RAC 25NX2 700mm 505mm 258mm RAC 35NX2 750mm 548mm 288mm RAC 50NX2 792mm 600mm 299mm UNIT EXT RIEURE pour mod le single split 48 INTERRUPTEUR TEMPORAIRE INTERRUPTEUR TEMPORAIRE INTERRUPTEUR TEMPORAIRE Sila t l commande ne fonctionne pas parce que les piles sontus es appuyer sur ce
231. nnnnn p m EE Y 0000 000 jag 0000 000 40 m 00000 m nn bon 0000 0000 100000000 0 0000000000 p rum moon 0 0000 fao mn an FT 0000 0000000 D oo Dmm lom 0 ooo 0 0000 0000 jai 0000 000 90 IL pon 0 0000 now 000 0 0000 00000000 00 com 00 __ 00000 90 10 000 loco o oo m boo ff umm fou do n bom mmu Wood do m nom 00000000 D on tunm B BH onu L J Don omone noi omn mnm Du boon om 0000 qm CI 0 0 0 0 0 a 0 T ZEIT oo 00 oo 00 00 00 0 0 41 MOD LE RAF 35NX2
232. nosis The intelligent power module may be defective Replace the main P W B With CN3 and CN4 disconnected is the 15V output between 15V and 15 0 on the power P W B No Replace the power P W B 641 10301 blinks 6 ti Yes inks 6 times ON Is the thermistor circuit The temperature at the normal OH thermistor rises Yes LD301 blinks 5 times S Replace the main P W B Overload lower limit cut Yes Is the 15V power supply output normal Power P W B display LD301 blinks 4 times Failure of switching No LD301 blinks 3 times Abnormal low speed Yes Replace parts in the thermistor circuit No Check to see if the refrigerating cycle is defective Check the indoor unit for clogged heat exchanger or filter Check the outdoor unit for defective shielding Yes Is the intelligent power gt module IPM normal Inverter section VY Yes See System Power Module Diagnosis The intelligent power module may be defective Replace the main P W B With CN3 and CN4 disconnected is the 15V output between 15V and 15 0 on the power P W B No Replace the power P W B
233. not only in the load but also in the others Be sure to check all outputs of the loads Be sure to wait 15 minutes or more in order to discharge all the remaining voltage in the circuit to connect disconnect the wiring other wise the components may be damaged The failures of the loads are as follows Failed Possible causes Criterion output 35V Reversed connection of the cable Connect the cable correctly Electrical part for the indoor unit has Remove the connection cable and measure the a failure voltage If the voltage is correct check the electrical parts for the indoor unit Short circuited reversing valve Remove the CN2 and measure the voltage If the voltage is correct check the reversing valve 15V DC fan motor error Remove the CN24 and measure the voltage connect the CN3 If the voltage is correct check the DC fan motor Also check the main P W B 1A fuse for blow out in this step Main P W B error Remove the CN3 and CN4 and meaure the voltage If the voltage is correct check the main P W B 12 Main P W B error Remove the CN3 and CN4 and meaure the voltage If the voltage is correct check the main P W B 110 6 Microcpomputer s Peripheral Circuits 6 1 Overload control circuit OVL control circuit Overload control is to decrease the speed of the compressor and reduce the load when the load on the air conditioner increases to an overload state in order to protect the comp
234. nt commence la vitesse de ventilation AUTO ou Hi ou quand la vitesse du ventilateur est modifi e AUTO ou Hi pendant la r frig ration et quand la vitesse du compresseur atteint CMAX ou plus 2 La p riode de vitesse maximale du compresseur pendant l attaque r frig ration se termine quand 25 minutes se sont coul es apr s le d but de l attaque de r frig ration quand la temp rature ambiante atteint la temp rature r gl e de r frig ration 1 C passage la r frig ration y compris puis devient inf rieure la temp rature actuelle de 0 66 C apr s la p riode de vitesse stationnaire et 3 quand thermo est en ARRET Si l attaque de r frig ration se termine dans ci dessus le compresseur ne passe pas dans la p riode de vitesse stationnaire ci dessus mais d marre le contr le flou 3 La temp rature thermo en ARRET pendant l attaque de r frig ration est la temp rature r gl e de r frig ration passage la r frig ration y compris 3 C Apr s thermo en ARRET l attaque de r frig ration se termine et le contr le flou d marre 4 Le temps minimum MARCHE et ARRET du compresseur est de 3 minutes 5 La limite de temps pour le maintien de la vitesse maximale du compresseur CMAX pendant la r frig ration normale est de moins de 60 minutes quand la temp rature ambiante est inf rieure CLMXTP Elle n est pas donn e quand la temp rature ambiante est CLMXTP ou plus 6 Si la vitesse
235. o be counted 7 set time is changed during sleep operation all data including set temperature time etc is cleared and restarted 8 If sleep operation is cancelled by the cancel key or sleep key all data is cleared Setting Defrosting Inhibit Period 9 There is no preset temperature shift due to time elapse DEFTIM OTP5 Time g DEFTIM OTPO 5 Outdoor temperature Notes 1 The first inhibit time after operation start is set to DEFTIM FST 2 From the second time onwards the inhibit time is set according to the time required for defrosting Reverse cycle operation time 2 DEFCOL DEFTIM COL is set Reverse cycle operation time DEFCOL The time corresponding to outdoor tempera ture is set 59 D givrage avec vanne d inversion Rafraichissement automatique 15sec ou plus du d givrage lt gt P riode d inhibition du d givrage 30sec L lt 30sec ESTOS ee Vitesse ventilateur Interrupteur marche arr t r gl e sur Signal de d givrage Jugement pr chauffage Pr chauffage Hi Ventilateur Med int rieur li Ultra Lo Arr t Hi ou Med Hilou Med 15529 Ventilateur ext rieur Ee T moin de fonctionnement T1 I T LLL LEE LE LLL 30sec Vanne dinversion
236. oel use R219 100 5 c M R701 i 2 ss C505 M a R220 efv R705 7 sk 54 P 0506 BYMBOL RATING g R221 ef RIO6 ici sTR LUT2 H P R222 C M Reor 1c2 S M PANDA R223 R amp 02 39154 1C3 3 s w Le R224 voo sw vs R803 5 164 s M R225 727 CM ZENER DIODE 1cs wansos r S M R226 5 mootjsof c m54532P nH R227 304 59 Vu C V R801 6603 m C C M snicusri m S M R228 R902 5 mooslsof 2901 R229 R903 5 0 cf ir R230 104 oo1 so c cl H P R231 asa 07 0 REG 5012 P R232 10x 5 R906 100 1 o av R238 5 ij clm R907 il 5 NC 5 md R234 100 5 C M R908 1 R 7507 UDZS 208 C M IPN H M Baaren Le le 1 R235 Roog 59 C M 2 0 022 gt Wain RZ36 104 sm
237. or improvement circuit etc The switching power circuit supplies power to electronic circuits on the main P W B through CNB When replacing any P W B disconnect all the cables including ground wires A Main P W B 1 Remove four screws securing the main 2 Open the support latches and raise P W B to the cooling fins and remove the the main P W B in the direction of main P W B from the cooling fins the arrow as shown in Fig A lt Direction of the main P W B removal gt B Power P W B 1 Open the support latches and raise the Open these support latches to power P W B in the direction of the arrow as remove the power P W B shown in Fig A lt Direction of the power P W B removal gt Open these support latches to remove the main P W B 179 PRECAUTIONS FOR SERVICING Be sure that the power switch is turned off or the power cable is disconnected before servicing Removing the P W B s System Configuration of Outdoor Unit Electrical Parts The outdoor unit electrical parts consist of two P W B s as shown in the figure lt Main P W B M board gt Contains a rectifier circuit and inverter module their controlling microcomputer and microcomputer peripheral control circuits The board incorporates high and low current sections lt Power
238. ous consequences if not observed properly Please observe all instructions strictly to ensure safety The signs indicate the following meanings The following are examples of signs Indicates the instructions that must be followed This sign in the figure indicates prohibition Please keep this manual after reading PRECAUTIONS DURING INSTALLATION Do not reconstruct the unit Water leakage fault short circuit or fire may occur if you reconstruct the unit by yourself PROHIBITION Please ask your sales agent or qualified technician for the installation of your unit A Water leakage short circuit or fire may occur if you install the unit by yourself WARNING Please use earth _ m Do not place the earth line near water or gas pipes lightning conductor or the earth line of telephone Improper installation of earth line may cause electric shock or fire Be sure to use the specified piping set for R410A Otherwise this may result in broken copper pipes or faults A circuit breaker should be installed depending on the mounting site of the unit Without a circuit breaker the danger of electric shock exists eX Do not install the unit near a location where there is flammable gas The outdoor unit UN A may catch fire if flammable gas leaks around it Piping shall be suitable supported CAUTION with a maximum spacing of 1m between the supports Please
239. out trying to repair them After completion of repairs the initial state should be restored Lead wires should be connected and laid as in the initial state Modification of the unit by the user himself should absolutely be prohibited Tools and measuring instruments for use in repairs or inspection should be accurately calibrated in advance In installing the unit having been repaired be careful to prevent the occurrence of any accident such as electrical shock leak of current or bodily injury due to the drop of any part To check the insulation of the unit measure the insulation resistance between the power cord plug and grounding terminal of the unit The insulation resistance should be 1MQ or more as measured by a 500V DC The initial location of installation such as window floor or the other should be checked for being safe enough to support the repaired unit again If it is found not so strong and safe the unit should be installed at the initial location after reinforced or at a new location Any inflammable object must not be placed about the location of installation Check the grounding to see whether it is proper or not and if it is found improper connect the grounding terminal to the earth 1 2 10 11 PRECAUTIONS RELATIVES A LA SECURITE PENDANT LES REPARATIONS Avant de proc der une r paration veillez couper l alimentation lectrique Les pi ces de
240. p ratures et la lt temp rature variera de 1 C chaque fois Le pr r glage de temp rature et la temp rature r elle de la pi ce risquent de pr senter quelques diff rences suivant les conditions d utilisation de l appareil Appuyer sur la touche PUISSANCE DE SOUFLEFLERIE Les modes AUTO FAIBLE et SILENCE sont disponibles gt 51 FRANCAIS FONCTIONNEMENT EN MODE DE CHAUFFAGE Lappareil peut tre commut en mode de fonctionnement de mode chauffage quand la temp rature ext rieure est inf rieure 21 C Quand il fait chaud quand il fait plus de 21 C l ext rieur le mode de fonctionnement de mode de chauffage risque de ne pas entrer en fonction par mesure de protection de l appareil Aux commandent pour gardent fiabilit des dispositif plaire usage ce dispositif audessus 15 C des outdoor temp rature 1 Appuyer sur la touche de s lection de mode de fonctionnement pour faire appara tre le mode de fonctionnement 3 CHAUFFAGE R gler intensit de circulation d sir e avec la touche PUISSANCE DE SOUFFLERIE de la soufflerie l afficheur fait apparaitre le r glage efectu AUTO La vitesse du ventilateur change automatiquement en fonction de la temp rature de l air puls FORT R glage conomique parce qu il permet de chauffer rapidement l int rieur de la pi ce Cependant une sensation de fraicheur est ressen
241. pareil peut d marrer au maximum 60 minutes avant l heure programm e Elle ne fonctionne pas avec ce mode Elle fonctionne uniquement lors du r frig ration et du chauffage Cela est d la fonction de Pr activation L heure de mise en marche varie en fonction de l encombrement de la pi ce Etant donn que l encombrement peut varier norm ment pendant le chauffage l heure de d marrage du fonctionnement est corrig e et elle variera donc d un jour sur l autre AT STARTING OPERATION This is because the preheating device is working It will not start to drive the fan until the refrigerating When the heating operation is started the indoor fan does not start immediately cycle warms up and warm air blows Wait for a while Such a phenomenon may occur with built in installation where heat is likely to be stuffy Install the unit as near to the lattice door as possible so that air is not short circuited or provide a partition between the unit and lattice door When the unit built behind the gallery lattice door is to be started immediately after it has stopped the unit occasionally will not start This is because the cool wind prevention function is operating and does not indicate a fault The heat exchanger temperature is sensed in the auto fan speed mode When the temperature is low the fan speed varies among high air flow low air flow and breeze The indoor fan varies among
242. plied to the CN15 and the pins CD to and when no power is supplied 12 V is applied When the power is reset the expansion valve starts initial operation for 5 to 10 seconds During the initial operation measure each pin of the CN15 4 to 4 with a multimeter If no change is found around 0 9 V or 12V in this step the expansion valve or the micro computer has failure The logic waveform during the operating of the expansion valve is shown in Fig 9 2 Lead Table 9 1 Drive status wire 1 2 3 4 5 White ON ON OFF OFF OFF Yellow OFF ON ON ON OFF Orange OFF OFF OFF ON ON Blue OFF OFF OFF OFF OFF Operation mode 1 gt 2 3 4 5 6 7 8 VALVE CLOSE 8 gt 7 gt 6 gt 5 gt 4 gt 3 gt 2 gt 1 Pin No VALVE OPEN 200ms 10 Outdoor DC Fan Motor control circuit Motor coi RC Filter POWER P W MAIN P B A f 1A FUSE 6101 S tut Q B oT 8 15V TABOA Dov ul R107 glee mit GPU control voltage
243. programmateur sur l unit Reportez vous au paragraphe D pistage des int rieure clignote il pannes quand le t moin du programmateur clignote Non zeg 7 V fifiez les comosants lectriques de ext rieure R glez la temp rature de la pi ce a 16 Cen Lampe de programmateur r frig ration ou 32 C en mode chauffage Clignote quatre fois Retirez le cache d coratif et le cache des pi ces lectriques et v rifiez la tension des broches de CN3 fils brun et rouge Broche 35 V broche 0 V CN3 et appuyez sur la touche marche arr t Le t moin de fonctionnement de l unit int rieure commence t il s allumer chignote t il Non Oui Le compresseur de ext rieure fonctionne t il Oui Non Otez le capot de l unit ext rieure et le couvercle du coffret lectrique et v rifiez le t moin d auto diagnostic LD301 BG VOLTAGE C De VOLTAGE CHECKPOINT N 32 35 sont ils produits La polarit est elle correcte Clignote un fois Oui Assurez vous que c ble F est correctement raccord et qu aucun l ment n est d branch Normal Clignote plus d
244. r unit does not operate at all check if the connecting cable is connected to the outdoor unit 3 To check operation again when the timer is blinking you can use the remote control for operation except for mode marked 1 143 DEPANNAGE QUAND LA LAMPE DE PROGRAMMATEUR CLIGNOTE MOD LE RAF 35NX2 Voir le tableau ci dessous quand la lampe de programmateur clignote sur la section d affichage de l unit int rieure Mode clignotement de lampe D faillance principale 2 sec La Une fois Vanne d inversion d fectueuse 2 fois Fonctionnement forc de l unit ext rieure 3 fois Interface int rieur ext rieur d fectueuse 4 fois Indication ext rieur d fectueuse 9 fois Capteur int rieur d fectueux Rotation anormale du moteur de 2 ventilateur CC sup rieur 13 fois 1 401 d fectueux S allume 0 35 sec intervalle de 0 35 sec Pr cautions 1 Si le circuit d interface est d fectueux quand l alimentation est fournie l affichage d autodiagnostic n appara tra pas 2 Si l unit int rieure ne fonctionne pas du tout v rifiez si le c ble de connexion est connect l unit ext rieure 3 Pour rev rifier le fonctionnement quand la minuterie clignote vous pouvez utiliser la t l commande de fonctionnement sauf pour le mode marqu 1 144 SELF DIAGNOSIS LIGHTING MODE MODEL RAC 35NX2
245. r when the fan speed is changed to AUTO or Hi during cooling operation and when the compressor speed reaches CMAX or higher The maximum compressor speed period during cool dash is finished when 25 minutes have elapsed after cool dash was started when the room temperature reaches the cooling set temperature 1 C including cooling shift and then becomes lower than the preset temperature by 0 66 C after the steady speed period when thermo is OFF if cool dash finished in the above the compressor does not go through the steady speed period but it starts fuzzy control The thermo OFF temperature during cool dash is cooling set temperature including cooling shift 3 C After thermo OFF cool dash is finished and fuzzy control starts The compressor minimum ON time and minimum OFF time is 3 minutes The time limit for which the maximum compressor speed CMAX during normal cooling can be maintained is less than 60 minutes when the room temperature is less than CLMXTP it is not provided when the room temperature is CLMXTP or more If the fan speed is set to Med by remote control the maximum compressor speed is CUKMAX If the fan speed is set to Lo or Silent by remote control the maximum compressor speed is CBEMAX If the fan speed is set to Hi by remote control and both the room temperature and outside temperature data from the outdoor unit satisfy the condensation condition in Table 3 the maximum compressor speed is CKYMAX
246. rature 3 C Continue heating 2 C Heating final preset temperature Cooling 03 Sleep operation with sleep button ON Enters sleep operation after set as on the left Action during sleep operation silent sleep operation Same as at left See page 67 Same as at left See page 71 Same as at left See page 79 Same as at left Performs the sleep operation of each operation mode Notes 1 The speed set of rotaion for the fan motor in each operation mode are as shown in Table 1 2 The set room temperatures in the diagram include the shift values in Table 2 Ly BASIC MODE MODEL RAF 35NX2 Operation mode j Dehumidifying dehumidifyi tion by th i Fan Cooling yng fiction seed buon net induding Heating auto that engaged by the dehumidify button Basic operation of start stop button Start Stop Stop ton Operation lamp Start stop button g m Reserve button Cancel button Ld Operation lamp Off timer Timer lamp Timer memory Off timer during stop Change in reserved time Srart stop button Reserve but
247. rechange doivent tre des pi ces d origine et le remplacement des pi ces doit tre r alis conform ment aux instructions figurant dans le manuel d entretien Si vous constatez que les contacts d un composant lectrique sont d fectueux remplacez le composant et ne tentez pas de r parer les contacts Apr s ach vement des r parations les conditions initiales doivent tre r tablies Apr s toute intervention le raccordement et le cheminement des c bles lectriques doivent tre r tablis comme l origine Toute modification au niveau de l installation ne peut tre effectu e que par une personne comp tente Toute intervention ou modification par l utilisateur lui m me est par cons quent proscrire Les outils et les appareils de mesure qui doivent tre employ s pour effectuer l entretien auront t pr alablement r gl s ou talonn s comme il convient Lors de l installation d une unit ayant subi une r paration veillez viter tout accident d une d charge lectrique ou la chute d un objet Pour v rifier l isolement de l appareillage mesurer la r sistance entre le cordon d alimentation et la borne de masse Cette r sistance doit au moins tre gale 1MQ lorsque la mesure est effectu e avec un m gohmmetre de 500V CC Avant la fixation de l unit r par e v rifiez que les fixations d origine peuvent supporter l appareil Si ces fixations vous paraissent d fectueuses renforce
248. ressor electronic components and power breaker Overloads are judged by comparing the DC current level and set value Fig 6 1 shows the overload control system configuration and Fig 6 4 is a characteristic diagram on overload judgement values There are two types of control which has named IS OVL and ID OVL 15 OVL is limiting the whole input of this room air conditioner system through the current sensor 1 in order to keep the maximum rating of components by reading total operating current ID OVL is watching and limits the compressor current through the detection resistor which is built in IPM in order to control the compressor reliability Since the compressor reliability is related with its speed the ID OVL value is also linked with the compressor speed Fig 6 2 shows an ID OVL limitation curve All of OVL operation values were programmed into EEPROM memory Compressor Microcomputer EEPROM Motor current ID A D Detection converter resistor Y Motor Amplifier control process Smoother A D 4 Detection transformer CT1 A Whole current IS Fig 6 1 Overload Control System 111 6 Microcpomputer s Peripheral Circuits 6 1 Overload control circuit OVL control circuit Overload control is to decrease the speed of the compressor and reduce the load when the load on the air conditioner increases to an overload state
249. rmale et personnelle de l appareil peut se traduire par une lectrocution voire un amor age lectrique Veuillez faire appel au service de votre agent commercial habituel pour que les op rations de d montage et r installation de l appareil soient faites correctement En effet une lectrocution voire un amorcage lectrique peuvent se produire en voulant ex cuter ce travail personnellement PRECAUTIONS A PRENDRE LORS DE L UTILISATION DE VOTRE APPAREIL Evitez tout contact direct avec le flux d air pour votre sant INTERDICTION DE N introduisez pas de longues tiges dans le panneau du souffleur de l aspirateur parce que le ventilateur interne est une source de danger INTERDICTION DE N utilisez aucun conducteur d lectricit tel qu un fusible Cela pourrait causer un accident iS INTERDICTION DE Enlever la fiche de la prise et mettre l interrupteur sur OFF quand il y a un orage Ne placer aucune bouteille ou bidon de combustible moins d un m tre des orifices d vacuation de l air ni sur l unit interne ou externe La pression l int rieur de la bouteille ou du bidon pourrait augmenter cause de l air chaud INTERDICTION DE et les faire exploser PR CAUTIONS PRENDRE LORS DE L UTILISATION DE VOTRE APPAREIL A ATTENTION L appareil doit tre utilis conform ment aux sp cifications du fabricant et non pas des fins de celles qui y sont sp cifi es
250. rocomputer after defrost is completed About 35V Defrosting About 0 8V Dehumidifying Sensor dry 122 About 0 8V 9 Electric expansion valve control circuit POWER P W B MAIN P W B 5V l CN15 Bas B 12V B 12V 8403 R404 EE R401 1 8 Microcomputer 4 8293 4 45 p D 89 Valve x PQ402 R294 1 3 DTS 2 0 Vaives Electric 403 R295 L ____ 2 49 4 41 Valve2 valve 404 1 7 6 OHO Le 42 Valve1 zzt CN4B Temsa L DOO Ld B OV Fig 9 1 To drive the expansion valve use the B 12 V output Use 4 phase coil and feed power to the phases 1 and 2 then switch over the filed poles to control the opening of the valve The reference between conducting phase switch over direction and the open close direction are shown in Table 9 1 When the power is turned on approx 0 9 V is applied to the CN15 and the pins CD to and when no power is supplied 12 V is applied When the power is reset the expansion valve starts initial operation for 5 to 10 seconds During the initial operation measure each pin of the CN15 4 to 4 with a multimeter If no change is found around 0 9 V or 12V in this step the expansion valve or the micro computer has failure
251. rt is removed and fan motor support is removed Fan motor support NN m Fan motor support 5 The tangential air flow fan and fan motor are fixed with screw Please loosen screw when you remove Fan motor Tangential air flow fan 7 MOTEUR DE VENTILATEUR ET VENTILATEUR A FLUX D AIR TANGENTIEL 1 Retirez les 5 vis de fixation de l vaporateur 2 Retirez l onglet de fixation du c t gauche de l vaporateur 3 Soulevez et retirez l vaporateur d vaporateur 4 Retirez les deux vis de fixation du support ventilateur moteur retirez le support ventilateur moteur Support ventilateur moteur NN Support ventilateur moteur 5 Fixez le ventilateur flux d air tangentiel et le moteur de ventilateur avec la vis Desserrez la vis pour le retrait Moteur de ventilateur Ventilateur flux d air tangentiel 72 DESCRIPTION OF MAIN CIRCUIT OPERATION MODEL RAF 35NX2 1 Power circuit 0
252. s use E I an v v 219 C505 EXPANSION b posos l i 8 R220 of M R705 ALP 7 RATING EIS CNIS pui re 3 R221 V R706 A P STR L472 H P desint ov Ne R222 wie w REOT ALP 1c2 p Hg R223 wis C M R802 El RITE se R224 c M RB03 nuwegoau Tea M E 5 m pe e ia R225 R804 P C60 ZENER DIODE ics s Wi wv mn y R226 C602 c c w 3 g 106 wssss2P i puru R227 M C608 c c M SYMBOL 1C7 sac EL Eua R228 R902 10 5 C604 7001 sus 5 R228 R903 swf M C605 R230 C606 REGI 20058008 H P 7 R231 5 6905 C607 REG 5012 HIP ET R232 10x R906 100 1 C608 sv R233 wije M R907 m fan 5 RMISTOR or R234 R908 1 M C801 RIP 7507 0028 208 C M IPM SSM1001MA H HAS R235 R909 510K 5 i C M C802 dT I R236 c M C803 P P Eur R237 vej cfm Rani 727 M C804 DEF TRE R238 C808 DEE Bo 2s za noren BAR LT R239 wije M Roig C806 Fire OUTDOOR TEMP pus R240 c M
253. s also distributed to microcomputer pin 7 as a Lo signal to stop the drive signal and blink the self diagnosis lamp as two time When the peak current is detected the IPM keeps the lower arm off for about 4ms and the drive signal into stand by state 3 minutes after this state the micro computer outputs the drive signal and restarts the operation lt 120 gt lt 120 gt lt 120 gt lt 120 gt lt 120 V Ut w U wt v U w Ut 5V v ov wr Drive signal at point lt U 15V o Lil rmm e MN w FEET Et Drive signal at point O Fig 4 6 105 IPM drive circuit The inverter driving device IGBT and the drive circuit are built in the IPM The IPM receives the signal from the microcomputer and convert it to 0 15 V signal to drive the IGBT When the unit operates at low speed a chopper signal is emitted from the micro computer as shown in Fig 4 6 0 to 5 V The signal is converted to 0 15 V at inside the IPM and transmitted to the gate of the transistor IGBT in each phase to drive the IGBT When abnormal peak current was detected while the inverter is driving the IPM outputs the Fail signal immediately from the pin 9 and forces the lower arm transistor to shut off at the same time In this step the Q501 is turned on and the input signal of the upper arm is also
254. s internal pressure can be increased by hot air a rupture may result PROHIBITION CAUTION PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer specification and not for any Q other intended use PROHIBITION Do not attempt to operate the unit with wet hands this could cause fatal accident When operating the unit with burning equipments regularly ventilate the room to avoid oxygen insufficiency DONT WET CR m STRICTLY OBSERVE 4 PRECAUTIONS Do notdirect the cool air coming out from the air conditioner panel to face household heating apparatus as this may affect the working of apparatus such as the electric PROHIBITION kettle oven etc e e Please ensure that outdoor mounting frame is always stable firm and without 7 defect If not the outdoor unit may collapse and cause danger PROHIBITION KI Do not wash the unit with water or place a water container such as a vase on the a indoor unit PROHIBITION Electrical leakage could be present and cause electric shock Do not place plants directly under the air flow as it is bad for the plants Q PROHIBITION Be sure to stop the operation by using the remote controller and turn off the circuit breaker during cleaning the high speed fan inside the unit may cause danger always above 80 and with the air deflector facing down or moving automatic
255. shut off through the D501 and D502 so that all signals to the IGBT are shut off This signal is also distributed to microcomputer pin 7 as a Lo signal to stop the drive signal and blink the self diagnosis lamp as two time When the peak current is detected the IPM keeps the lower arm off for about 4ms and the drive signal into stand by state 3 minutes after this state the micro computer outputs the drive signal and restarts the operation lt 120 gt lt 120 gt lt 120 gt lt 120 gt lt 120 V Ut w U wt v U w Ut 5V v ov wr Drive signal at point lt U 15V o Lil rmm e MN w FEET Et Drive signal at point O Fig 4 6 106 5 Power Circuit for P W B 220 23 0 Fig 5 1 shows the power circuit for P W B gna TT s gt 081 R41 t 60071102 R002 suit m 0008 Ka PANS D20 C 35V gt 2105 R23 le 14X15 D 0V m 0313845 2846 15 i 2006 Z um x B MN 15 0V 31 aa B 12V co7 R25 12 19 002 RO7 1 22 D24 u
256. starts with a beep Press the button again to stop operation The fan speed will automatically change according to the temperature of discharged air As room temperature reaches the preset temperature a very light breeze will blow For the heating operation Operation starts in the HI mode to reach the preset temperature As room temperature approaches the preset temperature fan speed automatically switches to LOW For the cooling operation ENGLISH HOW TO SET THE TIMER 1 Set the TIME button HITACHI time After you change the batteries Le XX AM IDE PM EI HE 2 Set the current time with 3 Press the TIME button ime indication will di ically i the TIMER control button The time indication will disappear automatically in 10 again The time indication starts seconds lighting instead of flashing check the current time setting press the TIME button twice The setting of the current is now complete designated times Co 7 oy e OFF TIMER Example The current time is 1 30p m we ON TIMER i KTA 1 1 Press the 2 OFF TIMER 2 Set the turn off time with the 3 Point the signal window of the remote controller toward the indoor unit and L RESERVE button The G OFF mark blinks on TIMER control button press the RESERVE button
257. t Air filter EN indicators Signal receiver OUTDOOR UNIT FOR SINGLE SPLIT MODEL LII I Front panel RAC 25NX2 22 Remote controller RAC 35NX2 RAC 50NX2 MODEL NAME AND DIMENSIONS MODEL WIDTH HEIGHT DEPTH RAF 25NX2 RAF 35NX2 RAF 50NX2 760mm 600mm 235mm INDOOR UNIT RAC 25NX2 700mm 505mm 258mm RAC 35NX2 750mm 548mm 288mm RAC 50NX2 792mm 600mm 299mm OUTDOOR UNIT for single split model TEMPORARY SWITCH TEMPORARY SWITCH INDOOR UNIT INDICATORS D OPERATION lamp FILTER lamp This lamp lights during operation During heating the operation indicator may blink blowing very lightly or totally stopping under the following conditions 1 During preheating heating This lamp lights when the device is operated for a total of about 200 hours it is time to clean the filter The lamp goes out when the tv AUTO operation For about 2 3 minutes after start up SWING button is pressed while the operation is stopped TEMPORARY SWITCH If the remote controller does not work due to battery failure press this switch to start and stop operation This temporary operation will be at the most recent setting made The unit will immediately go into automatic operation once power is switched on
258. t Point B Fig 4 1 2 When U transistor is OFF by inductance of motor coil U coil gt V coil gt V transistor 2 U diode gt Point Fig 4 4 102 DC VOLTAGE C100 Id DETECTIVE RESISTOR Fig 4 4 Power module circuit U is OFF V is ON Since current flows at point B only when Ut transistor and V transistor is ON the current waveform at point becomes intermittent waveform as shown in Fig 4 3 Since current at point 8 is approximately proportional to the input current of the air conditioner input current is controlled by using DC current Id detection resistor lt Reference gt If power module is defected self diagnosis lamps on the MAIN P W B may indicate as shown below Table 4 1 POWER P W B Sn elf diagnosis lamp MAIN P W B Self diagnosis and mode LD301 i EE Ip peak current cut LD301 elke 2 LD302 times LD303 Abnormal low speed Blinks 3 rotation Co times times Switching incomplete 103 DC VOLTAGE C100 Id DETECTIVE RESISTOR Fig 4 4 Power module circuit U is OFF V is ON Since current flows at point B only when Ut transistor and V transistor is ON the current waveform at point becomes intermittent waveform as shown in Fig 4 3 Since current at point 8 is approximately propor
259. t tr s importants pour la s curit OUTDOOR UNIT COMPRESSOR AN tM OUTDOOR uTvIw Ae FAN MOTOR TPM FUSE E M TRA BE ved DIODE STACK OVERHEAT THERMISTOR 082 A ME H WAT AIN P DEFROST THERIISTOR BLK EI sE i CNSACNAA REDI be B CN38 CN4B SMOOTHING CAPAGITO LEP RELAY R07 POWER WB SAU REAT FUSES L102 6011 lt gt 2 e un _ 6008 un qu Cn CANT TT SUPPLY M B m SERA REVERSING VALVE BLK PSN P Lot 1089 one RED BLK u TENS Joen REO TERMINAL o o TERMINAL BOARD A B C D BOARDA A GRN YEL BLK WT BRN RED INDOOR INDOOR UNIT UNIT gus WIRING DIAGRAM OF THE PRINTED WIRING BOARD SCHEMA ELECTRIQUE DU CIRCUIT IMPRIME Remote controller RAR 3U1 T lecommande RAR 3U1 1 2 3 4 5 6 7 8 uu HITACHI HITACHI umm x rd BEE
260. te Dans le cas du mode chauffage le t moin de fonctionnement clignote pendant cette p riode Cele ne traduit pas une amomalie de fonctionnement V rifiez que l air chaud froid ne soit pas bloqu derr re la porte en treillis Ce probleme est probable lorsque la position du d flecteur est incorrecte que les trous du treillis ne sont pas assez gros et ou que l unit est install e vers le fond Installez l unit aussi pr s que possible de la porte en treillis TROUBLE SHOOTING MODEL RAC 35NX2 PRECAUTIONS FOR CHECKING Outdoor Controller Power Switch Point A ii P I CAUTION p La 400uF 2 Compressor 1 Remember that the motor OV line is biased to OV line 320 360V in reference to the ground level Also note that it Grounding takes about 10 minutes until the voltage fall after the power switch is turned off 350V Point OV line A Always keep your hands CAUTION from the enclosure orte NDANGERI oscilloscope P Don t install When using an the ground oscilloscope never line ground it Don t forget that high voltages as noted above may apply to the oscilloscope A 137 DETECTION DES PANNES MOD LE RAC 35NX2 PRECAUTIONS A PRENDRE Outdoor Controller Power Switch P Point 1 1 1
261. teur La lampe de fonctionnement s allume une fois et s teint au bout de 5 10 secondes D connectez CN10 et r glez nouveau au mode ventilateur V V rifiez s il n y a pas eu La lampe de fonctionnement s allume une fois et s teint au bout de 5 10 secondes 7 Le ventilateur int rieur peut il tre l g rement tourn la main court circuit etc sur le motif carte V rifiez si le ventilateur int rieur touche le ch ssis etc Si oui r parez R glez l interrupteur d alimentation Arr t pour v rifier Oui Remplacez le moteur du ventilateur int rieur 156 5 Check the control P W B power circuit Is 35V or 20V being output Check to see if the connection cables are at pin relative to OV at disconnected or reversed pin of CN3 If normal check the outdoor unit P W B Is 12V or 7V being output Is ICP1 normal Normal if it is less than 10 Blown open if it is 1Qor more Replace ICP1 Check if the air deflector motor is shorted and IC111 Q111 C114 ZD121 are defective Yes If shorted defective ICP1 will be Normal open again at relative to OV at of C114 Yes Open Replace the terminal board Insert the connection cable securely Has the terminal board thermal fuse blown open No
262. the conditioned air to the left and right Hold the verti and adjust th Vertical air deflector cal air deflector as shown in the figure e conditioned air to the left and right A CAUTION When operating t he unit in cooling operation with the air deflector facing down and moving automatically for a long period of time water will be condensed on the air deflector and drips down occasionally This will wet your furniture 15 HOW TO CHANGE THE BATTERIES IN THE REMOTE CONTROLLER 1 Remove the cover as shown in the figure and remove the old batteries Install the new batteries The direction of the batteries should match the marks in the case Sg Push and pull to the direction of arrow mark Y A CAUTION 1 Do not mix new and old batteries or different type of batteries together 2 Remove the batteries when you do not use the remote controller for 2 or 3 months TEMPORARY SWITCH If the remote controller does not work due to battery failure press this switch to start and stop operation This temporary operation will be at the setting made most recently The unit will immediately go into automatic operation once power is switched on TEMPORARY SWITCH CIRCUIT BREAKER When you do not use the room air conditioner set the circuit breaker to OFF HOW TO USE THE AIR CONDITIONER EFFECTIVELY 1 An average room temperature set
263. tie pendant les premi res minutes de fonctionnement MOYEN Silencieux mi FAIBLE Encore plus silencieux SILENCE Ultra silencieux 000 DM D R gler la temp rature int rieure de la pi ce d sir e avec les touches de r glage de temp rature l afficheur fait apparaitre le r glage qui 3 est effectu Le r glage de temp rature et la temp rature r elle de la pi ce risquent de pr senter quelques diff rences suivant les conditions d utilisation de l appareil Appuyer sur la touche D MISE EN MARCHE ARR T Le mode b rid de chauffage est appliqu et confirm par l mission d un signal ARR T Sonore Appuyer encore une fois sur cette touche pour arr ter l appareil J E tant donn que les r glages sont conserv s dans la m moire du bo tier de t l commande la seule op ration faire quand l appareil doit tre remis en marche consiste appuyer sur la touche D MISE EN MARCHE ARR T FONCTIONNEMENT EN D SHUMIDIFICATION L appareil peut tre utilis pour commander une d shumidification quand la temp rature int rieure de la pi ce est sup rieure 16 C Quand la temp rature est inf rieure a 15 C la fonction de d shumidification ne peut pas tre appliqu e Appuyer sur la touche de s lection de mode de fonctionnement N pour faire appara tre le mode de fonctionnement D SHUMIDIFICATION Appuyer sur la touche
264. ting is probably the best for you as well as being economical Excessive cooling or heating is not recommended for health reasons High electricity NZA bills may also result s WER Close the curtains or blinds to prevent heat from flowing into or escaping the room as well as to make more effective use of electricity 2 At intervals the doors and windows should be opened to let fresh air in CAUTION Make sure the room is ventilated when operating the air conditioner at the same time as other heating appliances 3 Using the timer is recommended before going to sleep or going out 4 The following must never be used for cleaning the indoor and outdoor units Benzine thinner and scrub can damage plastic surfaces or coating Hot water above 40 C can shrink the filter and deform plastic parts 5 Do not block the air intake and air outlet Do not block the air outlets and intakes of the indoor and outdoor units with curtains or other obstacles which could degrade air conditioner performance and cause unit failure 16 MAINTENANCE Do not expose the unit to water as it may cause an electric shock For cleaning inside the air conditioner consult your sales agent Avoid using detergent when cleaning the heat exchanger of the indoor unit Unit failure may result When cleaning the heat exchanger with a vacuum cleaner make sure to w
265. tinue cooling Currently heating Room temperature Final preset temperature 3 C Change to cooling A Room temperature lt Final preset temperature 3 C Continue heating Basic operation of Performs only fan operation at the See page 29 See page 31 See page 33 2c Cooling temperature controller set speed regardless of the room temperature starvstop button Operation lamp f El Heating final preset temperature Sleep operation Enters sleep operation after set Same as at left Same as at left Same as at left Same as at left with sleep button ON on the left See page 31 See page 31 See page 35 Performs the sleep operation of each operation mode Action during sleep operation Lo sleep operation 48 Mode data file Table 1 Fan speed by mode REQUIRED VALUE LABEL NAME n Operation Fan speed mode Label name OF UNIT SIDE Ultra Lo FWSS Silent Sleep FWSOY Med FWL FWAH FWAHH Heating Silent Sleep Lo Med FCL Set fan speed AUTO FCAH npn FCH Set fan speed Hi ECHH Dehumidifying Silent Sleep Y operation E Hi Ultra Hi 300 0 min 60 sec Table 2 Room temperature shift value Operation mode Shift value Fan speed AUTO Hi Med SHIFTW negating operation Fan speed Lo Silent Sleep SFTSZW SHIFTC Dehumidifying operation SHIFTD 60 sec 2200
266. tional to the input current of the air conditioner input current is controlled by using DC current Id detection resistor lt Reference gt If power module is defected self diagnosis lamps on the MAIN P W B may indicate as shown below Table 4 1 POWER P W B Sn elf diagnosis lamp MAIN P W B Self diagnosis and mode LD301 i EE Ip peak current cut LD301 elke 2 LD302 times LD303 Abnormal low speed Blinks 3 rotation Co times times Switching incomplete 104 IPM drive circuit The inverter driving device IGBT and the drive circuit are built in the IPM The IPM receives the signal from the microcomputer and convert it to 0 15 V signal to drive the IGBT When the unit operates at low speed a chopper signal is emitted from the micro computer as shown in Fig 4 6 0 to 5 V The signal is converted to 0 15 V at inside the IPM and transmitted to the gate of the transistor IGBT in each phase to drive the IGBT When abnormal peak current was detected while the inverter is driving the IPM outputs the Fail signal immediately from the pin 9 and forces the lower arm transistor to shut off at the same time In this step the Q501 is turned on and the input signal of the upper arm is also shut off through the D501 and D502 so that all signals to the IGBT are shut off This signal i
267. to Ultra Lo Lo or Stop depending on b Judging method the room temperature when the compressor stops the Toom temperature and time Judge by setting the hysteresis on the final preset temperature Set to Stop if the room temperature is 18 C Heat exchanger temperature The final preset temperature is the actually targeted preset temperature which is the sum of in s Uttra Lo mode other p 35 MEO the basic preset temperature and each type of shift value 3 by remote controller reheating cooling is recovered at 33 Q i i Silent Operates at Silent regardless Same as at left Set to Silent in modes other than P g cooling 9 m preset temperature correction value powerful shift value etc f th h The fan speed is controlled by the heat Med with overload Currently cooling of the doom temperate ADS exchanger temperature the overload control is Room temperature Final preset temperature 2 CChange to heating executed asin the following diagram Room temperature Final preset temperature 2 CContinue cooling Basic operation of temperature controller Performs only fan operation at the set speed regardless of the room temperature Start stop swith Operation lamp di See page 63 See page 71 See page 75 Currently heating Room temperature Final preset temperature 3C Change to cooling Room temperature Final preset tempe
268. ton m r1 Cancel button S On timer Operation lamp rud Timer lamp mmm Timer memory ed Change in reserved time On timer during operation Start stop button Reserve button Cancel button Operation lamp Off gt On Timer lamp On gt Off timer Timer memon OF fg ON OFF ON OFF Off gt On timer gt timer gt timer Off gt On timer during operation during stop Changes from Hi to Med or Set to ultra Lo Lo Med Hi ultra Hi or stop depending on the room temperature Operating mode is judged by room temperature and outdoor temperature Lo depending on room time and heat exchange temperature Set to stop if the room temperature is 18 C in the temperature ultra Lo mode other than during preheating cooling is recovered at 18 judging by outdoor temperature t t ultra Lo mode other than duri heati ling i d at 18 33 C 1 Jud by outdoor t it Auto Operating mode is judged by outdoor temperature When the compressor is running at maximum speed In modes other than Only when the mode is not resticted by this judgment the judgment by room temperature in the next during hot dash or when recovered from defrosting left paragraph will be performed Temperature set x a Outdoor temperature 27 C Restricted to cooling for cooling 42 66 C i Thon PEA oe b Outdoor temperature lt 16 C Restricted to heating TE DE
269. u dot d un m canisme de verrouillage est souvent utilis Notez que le recours la force pour l extraire sans d gager ce m canisme peut provoquer des endommagements En outre lors de la remis en place du connecteur veillez bien l ins rer en place gt D gagez le m canisme de verrouillage avec le doigt avant de proc der la M canisme de d connexion 3 Il est interdit de d connecter le connecteur en cours de d charge lest strictement interdit de d connecter le connecteur en cours de d charge Vous risquez d endommager le embarqu et le moteur du ventilateur Proc dez au d pannage apr s vous tre assur que le condensateur de filtrage des int rieure et ext rieure a t d charg 142 TROUBLE SHOOTING WHEN THE TIMER LAMP BLINKS MODEL RAF 35NX2 When the timer lamp on the display section of the indoor unit blinks refer to the following table Lamp blinking mode Main defective Reversing valve defective Forced operation of outdoor unit Indoor Outdoor interface defective Outdoor defective indication Indoor sensor defective Abnormal rotating numbers of DC fan motor Upper IC401 defective Lights for 0 35 sec at interval of 0 35 sec Cautions 1 If the interface circuit is faulty when power is supplied the self diagnosis display will not be displayed 2 If the indoo
270. uche PUISSANCE DE SOUFFLERIE FORT MOYEN Silencieux C est la souffler de l air le plus fort FAIBLE Encore plus silencieux DA 00 pi SILENCE Ultra silencieux Appuyer sur la touche MISE EN MARCHE ARRET Le mode de circulation d air est appliqu et confirm par l mission d un signal sonore Appuyer encore une fois sur cette touche pour arr ter l appareil UE ele DIANA Lorsque le mode de fonctionnement automatique de VENTILATEUR AUTOMATIQUE ventilateur est r gl en mode de refroidissement chauffage La vitesse de fonctionnement du ventilateur changera automatiquement en fonction de la temp rature de l air puls ll y a une brise tr s l g re lorsque la temp rature de la pi ce a atteint la temp rature saisie Cas du mode de chauffage Ce mode de fonctionnement commence en mode FORT et permet d atteindre la temp rature pr r gl e La vitesse du ventilateur passe automatiquement sur FAIBLE lorsque la temp rature de la pi ce a atteint la temp rature saisie Cas du mode de refroidissement 55 PROCEDE DE REGLAGE DE LA MINUTERIE 1 Appuyer sur la touche HEURE HEURE heure actuelle Apr s avoir remplac les piles MINUTERIE DE MISE LARRET 1 Appuyer sur la touche b MINUTERIE DE MISE LARRET Le signe ARR
271. ume Pendant le fonctionnement automatique la vitesse du ventilateur ne change pas m me lorsque vous changez la position du s lecteur de vitesse du ventilateur Comment est d termin le mode de fonctionnement automatique La temp rature ambiante n est pas contr lable en fonctionnement automatique Lorsque la minuterie de mise en marche a t programm e l appareil d marre avant l heure programm e La fonction de Pr activation fonctionne t elle pendant la d shumidification M me si la m me heure est pr r gl e l heure de d part de l appareil varie Le rafraichissement automatique du d givrage d marre le syst me contr le l changeur thermique ext rieur et le d givre autant que cela est n cessaire puis s arr te La vitesse du ventilateur est alors automatique Selon la temp rature ambiante et la temp rature ext rieure le chauffage ou le r frig ration est automatiquement s lectionn Voir la section de fonctionnement de base Elle est automatiquement r gl e comme suit Au r frig ration et au chauffage r gl e 22 C Le r glage de temp rature ambiante peut tre augment de 3 C par A ou abaiss de 3 C par V 132 Cela est d la fonction de Pr activation Cette fonction fait d marrer l appareil plus t t afin que la temp rature pr r gl e soit atteinte l heure programm e L ap
272. un SETTE BLK 5 00 Ors YEL YELLOW GRY GRAY RED RED VIO VIOLET BOARD C 5 laos A GRN YEL BRN BROWN ORN ORANGE BLK BLACK BLK WHT RED INDOOR INDOOR UNIT UNIT A CAUTION The marked parts A are very important ones for safety 38 SCH MA LECTRIQUE MODELE RAF 35NX2 RAC 35NX2 UNITE INTERIEURE CORDEN DE CONNEXION EC T T TEST BRN i iD BRN THERMISTANCE ne RED __ D ECHANGEUR GRY CN3 RACCORDEMENT DE CHALEUR GRY CN6 9 L BLK MOTEUR 1 DE THERMISTANCE Y RED BALAYAGE DE TEMP RATURE BLK AUTOMATIQUE DE LA PI CE H i C I CONTR LE ICAPTEUR INDICATEURS out lt INTERRUPTEUR r1 o 3 IDHUMDITE AUXILIARE ET 4 CN11 CNI MODULE DE 9 N UN USE R CEPTION DE LUMI RE C l RED n CN10 N BLK MOTEUR DE RED wart VENTILATEUR TELECOMMANDE 1 NC INT RIEUR SANS FIL T L COMMANDE YEL H LINK AVEC CABLE C BLU CN7 CN9 O O O O O O00 0 a 7112383456 1 2 8 4 BLU BLEU WHT BLANC GRN VERT PNK ROSE YEL JAUNE GRY GRIS RED ROUGE VIO VIOLET BRN BRUN ORN ORANGE BLK NOIR ATTENTION Les composants comportant le symbole N son
273. unit in the forced cooling mode using the outdoor unit service switch How did the self diagnosis See the self diagnosis lamp LD301 blink lamp mode 7291 LD301 blinks 12 times Fan lock error E gt Is CN24 connected Is the propeller fan locked Have the 1A fuse and R107 blown Is 15V being generated Check voltage both between CN18 and 5 on the main P W B and between 15V and 15 0V silk screened on the power P W B If no output voltage is present on the power P W B side replace the power P W B Is the fan operating An error occurs after the fan operates for 2 minutes Is the voltage between and at CN24 normal Normally the voltage is above approx DC1 7V Yes Yes Is the voltage between 4 and at CN24 normal Check to see if the voltage is within 2 5V 0 5V using a tester In effect the output voltage is alternately switched between 5V and OV Connect the connector Remove any obstructions Replace the fan motor and main P W B No Yes No Replace the fan motor Replace the main P W B 791 10301 blinks 12 times Fan lock error E gt Is CN24 connected Is the propeller fan locked Have the 1
274. vert nouveau Effectuez le contr le final du fonctionnement 158 Self Diagnosis Memory Function Defective modes stored in the non volatile memory of the indoor unit are re indicated by the remote controller operation This is useful to check the defective mode when switching OFF the power or restarting the unit operation without checking the number of blinking of the defective indication lamp The defective mode which occurred the last is memorized Defective modes of which occurrence frequency is too low to indicate on the indoor unit are also stored in the memory thus defective phenomenon which was not checked at the visit can be found by clearing the memory and rechecking the memory contents later on Re indication method for defective mode 1 Turn the circuit breaker OFF and set the remote controller STOP position No indication status 2 Turn the circuit breaker ON 3 Set the remote controller COOL and to be set 32 C and press th button while pressing th A temperature buttons gt Transmission 4 The main unit makes the receiving sound becomes the defective indication mode Timer lamp goes on and off but if the unit has no memory the indication is not shown 5 Finish after turning the circuit breaker OFF Please turn OFF once without fail Clear method for data of defective mode 1 Proceed the re indication of defective mode proceed without fail after having the re indicat
275. voyez une cloison entre l unit et la porte en treillis Quand l unit construite derri re la galerie porte en treillis doit tre d marr e imm diatement apr s avoir t arr t e elle pourra parfois ne pas d marrer En mode Vitesse du ventilateur automatique le ventilateur int rieur varie entre les positions Flux d air lev Flux d air bas et Brise Chauffage Cela est d au fait que la fonction Anti air frais est activ e et cela ne constitue pas un dysfonctionnement En mode de vitesse automatique la temp rature d changeur thermique est valu e Lorsque la temp rature est basse la vitesse du ventilateur varie entre les positions Flux d air lev Flux d air bas et Brise Lorsque l appareil d marre le compresseur passe en vitesse de rotation maximum pour augmenter la capacit de chauffage ou refroidissement et un bruit plus important se fait donc entendre Cela ne constitue pas un dysfonctionnement Un grand bruit se fait entendre en provenance de l unit ext rieure lorsque l appareil est mis en marche La vitesse de rotation du compresseur change en fonction de la diff rence entre la temp rature r gl e au niveau du thermostat et la temp rature de la pi ce Cela ne constitue pas un dysfonctionnement Le bruit provenant de l unit ext rieure change de temps autre Il peut y avoir une diff rence entre la temp rature r gl e et
276. z les si possible et dans le cas contraire l unit doit tre fix e un autre endroit L emplacement de l installation doit tre loign de toute mati re inflammable La mise la masse doit tre soigneusement contr l e en cas de d faut la borne de masse doit tre mise la terre WORKING STANDARDS FOR PREVENTING BREAKAGE OF SEMICONDUCTORS 1 Scope The standards provide for items to be generally observed in carrying and handling semiconductors in relative manufactures during maintenance and handling thereof They apply the same to handling of abnormal goods such as rejected goods being returned 2 Object parts 1 Microcomputer 2 Integrated circuits 3 Field effective transistor F E T 4 P C boards or the like to which the parts mentioned in 1 and 2 of this paragraph are equipped 3 Items to be observed in handling 1 Use a conductive container for carrying and storing of parts Even rejected goods should be handled in the same way IC A conductive polyvinyl bag lt H TON Conductive sponge Fig 1 Conductive container 2 When any part is handled uncovered in counting packing and the like the handling person must always use himself as a body earth Make yourself a body earth by passing one M ohm earth resistance through a ring or bracelet 3 Be careful not to touch the parts with your clothing when you hold a part even if a body earth is b

1.indb

Contents

Download Pdf Manuals

Related Search

Related Contents