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Hitachi RAC-50FPA, Руководство по обслуживанию

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Hitachi RAC-50FPA Скачать руководство пользователя страница 37

Table 1 Fan speed by mode 

Label name

FWSS
FWSOY
FWS
FWKAF
FWL

Hi

Set fan speed "Hi"

FWAH

Ultra Hi

FWAHH

Ultra Hi

FWH

Hi

Set fan speed "AUTO"

FWHH
FCSOY
FCS
FCL
FCAH
FCH
FCHH
FDSOY
FDS1
FDS2

Table 2 Room temperature shift value

Shift value

Fan speed "AUTO, Hi, Med"

SHIFTW

Fan speed "Lo, Silent, Sleep"

SFTSZW
SHIFTC

Dehumidifying operation

SHIFTD

Operation mode

Fan speed mode

Operation

mode

Heating operation

Cooling operation

Cooling
operation

Dehumidifying
operation

Lo 1
Lo 2

Ultra Lo

Silent, Sleep

Lo

Heating
operation

Overload

Med

Hi

Ultra Hi

Hi

Set fan speed "AUTO"

Med

Set fan speed "Hi"

Silent, Sleep

Silent, Sleep

Lo

 Mode data file

LABEL NAME

REQUIRED VALUE OF UNIT SIDE

RAF-50RPA

WMAX

min

-1

WMAX2

min

-1

WSTD

min

-1

WJKMAX

min

-1

WBEMAX

3600

min

-1

WSZMAX

3000

min

-1

CMAX

min

-1

CSTD

min

-1

CJKMAX

min

-1

CBEMAX

min

-1

CSZMAX

2250

min

-1

SDMAX

min

-1

SDRPM

min

-1

WMINHI

min

-1

WMIN

min

-1

CMINHI

min

-1

CMIN

min

-1

DMIN

min

-1

STAROTP 

10

℃

℃

STARCPL

min

-1

STARCPH

min

-1

STARCP2

min

-1

STARCP3

min

-1

STARTMW

sec.

STARTMC

90

sec.

STARTMD

sec.

STARTM2

sec.

STARTM3

sec.

PKOU

500

min

-1

FZZY̲GN

1

FZZYTM

3

min.

SHIFTW

0.33

℃

SFTSZW

0.33

℃

SFTOYW1

0.66

℃

SHIFTC

℃

SHIFTD

℃

CMNLMT

2000

min

-1

TEION

2.00

℃

TEIOF

9.00

℃

DFTIM̲COL

min.

DFTIM̲FST

45

min.

DFTIM̲OTP0

43

min.

DFTIM̲OTP5

50

min.

DFTIM̲OTP10

50

min.

TDF411

sec.

TDF412 

sec

.

TDF413

sec. 

DFRPM3

2400

min

-1

STARCPDL

2200

min

-1

STARCPDH

2200

min

-1

STARCPD2

min

-1

STARTDF1

sec.

STARTDF2

FWAH̲P

min

-1

FWH̲P

min

-1

FWAHH̲P

min

-1

FWHH̲P

min

-1

FCSOY̲P

min

-1

FCS̲P

min

-1

FCL̲P

min

-1

FCAH̲P

min

-1

FCH̲P

min

-1

FCHH̲P

min

-1

FDSOY̲P

450

min

-1

FDS1̲P

min

-1

FDS2̲P

650

min

-1

min

-1

min

-1

2200

min

-1

min

-1

min

-1

sec.
sec.

sec.

LABEL NAME

REQUIRED VALUE OF UNIT SIDE

RAF-

A

DFMXTM

20

min.

DFMAX

min

-1

TDF431

sec.

TDF431̲CHG

30

sec.

DEFCOL

min.

CLNTMW

38

min.

CLNTMS 

22

min.

CLNCPW

2200

min

-1

CLNEVP

 

40

℃

FWSS̲P

min

-1

FWSOY̲P

min

-1

FWS̲P

min

-1

FWKAF̲P

min

-1

FWL̲P

min

-1

WLHMAX
WMIN̲LH
STARCP1̲LH
STARCP2̲LH
STARCP3̲LH
STARTMW̲LH
STARTM2̲LH
STARTM3̲LH
SFTLVHM
FWLVHM̲P
FAN̲LH̲H

    30

     0

    0 

sec.

2000

20
30
40

2

min

-1

min

-1

6000
6400
4700
4100

5200
4900
3200
3200

2200
2200

800
500

40

80
60

43

60
50
  0

300

40
40

5500

50

5

300
560
650
750
750

1000
1100
1000
1100
480
550
700
1050
1050

1100

600

5000

2200

800

1100

750

50RP

3000

2200
2200
2200

2200
2200

2200

37

Содержание RAC-50FPA

Страница 1: ...TION SERVICE CALL Q A TROUBLE SHOOTING PARTS LIST AND DIAGRAM CONTENTS INDOOR UNIT OUTDOOR UNIT JULY 2013 Hitachi Household Appliances Wuhu Co Ltd OUTDOOR UNIT RAF 50RPA RAC 50FPA INDOOR UNIT After installation 760 600 235 14 792 95 600 299 46 40 RAF 50RPA TYPE MODEL POWER SOURCE TOTAL INPUT TOTAL AMPERES A CAPACITY kW B T U h TOTAL INPUT W TOTAL AMPERES A CAPACITY kW B T U h W DIMENSIONS H D NET ...

Страница 2: ...DANGER 2 ...

Страница 3: ... rejected goods should be handled in the same way 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 being taken 4 Be sure to pla...

Страница 4: ...rcuits for maintenance inspection or some others be careful not to have the test probes of the measuring instrument short circuit a load circuit or the like Bare copper wire for body earth Metal plate of Al stainless steel etc Working table Resistor 1MΩ 1 2W Earth wire Staple Fig 3 Grounding of the working table soldering iron Grounding wire Screw stop at the screwed part using a rag plate 4 ...

Страница 5: ...ion 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...

Страница 6: ...SERVICE SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REFRIGERANT CHARGING VOLUME R410A UNIT PIPES MAX 20m SPECIFICATIONS REMOTE CONTROL SWITCH LIQUID CRYSTAL YES NO RAF 50RPA 25W DC35V NO NO NO NO YES NO NO NO NO YES IC RAC 50FPA 47W DC380V YES YES 3A G4A 1A NO YES NO 450NR NO NO WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE NO NO NO 1 250g ASG133CDMB7AT MIN 5m 6 ...

Страница 7: ...r unit installation allow at least 2 sides of Maximum pipe length 20m Minimum pipe length 5m Indoor unit installation Direction of Piping different directions direct rear piping right downward piping and right sideways piping Above 100mm Above 150mm Above 200mm Procure locally Be sure to completely seal any gap with putty Drain pipe Must be installed separately Insulate indoor part of pipe to prev...

Страница 8: ... and suction side because the high speed fan inside may cause danger s Do not bundle the power cable pull it put something on it heat it process it or put it between things Breakage of the power cable may result Use of a damaged cable may cause an electrical shock or a fire PROHIBITION PROHIBITION 3 WARNING PRECAUTIONS DURING OPERATION s Do not use any conductor as fuse wire this could cause fatal...

Страница 9: ... the following conditions 1 During preheating heating operation For about 2 3 minutes after start up 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 TEMPORARY SWITCH Top left and right corners TEMPORARY ...

Страница 10: ...the room Consult the shop if that is the case ƽ If the remote controller signals happen to operate another appliance move that appliance to somewhere else or consult the service shop ƽ When the remote controller is not in use please close the slide cover to prevent failure 7 PREPARATION BEFORE OPERATION Ƶ To set calendar and clock 1 Press RESET button when first time setting Year blinks 2 Press TI...

Страница 11: ...lector Button This determines the fan speed Every time you press this button the ange from AUTO HIG H MED LOW SILENT This button allows optimal or preferred fan speed for each operation mode 䇆 䇆 䇆 䇆 airflow rate will ch selection of This indicates the room temperature selected current time timer status function and airflow rate selected mode p 18 9 MODE SELECTOR AUTO HEAT DEHUMIDIFY COOL FAN FAN S...

Страница 12: ...atically determine the mode of operation HEAT or COOL depending on the current 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 is connected to multi type outdoor unit VARIOUS FUNCTIONS Ƶ Auto Restart Control ƽ If there is a power failure operation will be automatically restarted when the pow...

Страница 13: ...ture fan speed will be changed to lower speed to obtain optimum room temperature condition for natural healthy cooling START STOP 1 3 AUTO HIGH MED LOW SILENT 2 12 DEHUMIDIFYING OPERATION Ƶ Dehumidifying Function ƽ When the room temperature is higher than the temperature setting The device will dehumidify the room reducing the room temperature to the preset level When the room temperature is lower...

Страница 14: ...e deflectors swinging or in the lower position in the case of vertical auto swing for a long time It may cause dew condensation on the deflectors Press AUTO SWING VERTICAL button The deflector s will start to swing up and down is displayed on the LCD Press AUTO SWING VERTICAL button again The deflector s will stop in the current position disappeared from the LCD ƽ ƽ Vertical When heating about 50 ...

Страница 15: ... displayed on the LCD POWERFUL operation ends in 20 minutes Then the system automatically operates with the previous settings used before POWERFUL operation Press POWERFUL button again POWERFUL operation stops disappears from the LCD ƽ Press START STOP button Or ƽ ƽ 17 SILENT OPERATION ƽ By pressing SILENT button during AUTO HEATING DEHUMIDIFYING COOLING or FAN operation the fan speed will change ...

Страница 16: ...f operation days Display for number of operation days will stop blinking ƽ Press CANCEL button to reset number of operation days or to have continuous operation Ƶ To cancel LEAVE HOME operation ƽ Press START STOP button Or ƽ Press LEAVE HOME button again ƽ Change to other operation mode by pressing MODE button NOTE ƽ After reaching the set number of operation days for Leave Home or by pressing the...

Страница 17: ... ƽ Point the signal window of the remote controller towards the indoor unit and press CANCEL button and ON or OFF set time goes out with a beep and the TIMER lamp on the indoor unit turns off NOTE ƽ User can set only one of the OFF timer ON timer or ON OFF timer ƽ If WEEKLY TIMER already set by setting the ONCE TIMER ONCE TIMER operation ONCE TIMER operation is complete WEEKLY TIMER operation will...

Страница 18: ... To set SLEEP TIMER and ON TIMER The air conditioner will be turned off by ECO SLEEP TIMER and turned on by ON TIMER 1 Set the ON TIMER 2 Press SLEEP button and set ECO SLEEP TIMER Direct the remote controller towards the indoor unit and press CANCEL button ƽ OFF off time number of hour ON and ON TIMER set time disappear from the remote controller display ƽ A beep sound emitted from indoor unit an...

Страница 19: ...A or Mode B 2 Set a program 3 Select the desired day of the wekk 25 5 Press ON OFF TIMER button to select ON TIMER or OFF TIMER reservation 6 Press TIME button to set time reservation 7 Press TEMP or button to set temperature reservation 8 Press OK button The reservations are set Day program number ON reservation setting temperature will light up will be continuously blinks If reservation is not c...

Страница 20: ...n for activation ƽ After auto restart WEEKLY TIMER operation is cancelled Need to set WEEKLY TIMER operation for activation 1 2 1 WEEKLY TIMER OPERATION Step 2 Select Mode A or Mode B and activate or deactivate WEEKLY TIMER 3 27 Ƶ How to copy and paste Editing the reservation schedule is easy by copying data from one day to another day 1 Press WEEKLY button to select Mode A or Mode B 2 Press WEEKL...

Страница 21: ...o start editing the reservation schedule 3 Press DAY button to select a day of the week to edit 4 Press DELETE button for about 10 seconds Reservations for all program numbers will be deleted ƽ If press for a short time reservation for one program number will be deleted 5 After deleting press SEND button while directing the remote controller towards the indoor unit for about 3 seconds Timer lamp o...

Страница 22: ...unit within 2 31 OPERATION MODE LOCK The remote controller can be set to fix the HEATING mode including FAN COOLING mode including FAN and DEHUMIDIFYING mode including FAN operations Ƶ Method to lock HEATING mode including FAN operation Press ECO and POWERFUL buttons simultaneously for about 5 seconds when remote controller is OFF and will be displayed for about 10 seconds Later d n a will remain ...

Страница 23: ...WITCH 33 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 MAINTENANCE Open the front panel s 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 s Grasp the left and right sides of the fron...

Страница 24: ...el using a soft sponge s 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 s Wipe off water completely If water remains on the display section or light receiver section this could cause a malfunction CAUTION s Do not splash or direct water to the body of the unit when cleaning it as this may cause short circui...

Страница 25: ... i M n o i s s i m e t s i M During heating the operation indicator blinks and air blow stops If the remote controller is not transmitting a signal Remote controller display is dim or blank 35 Heating Capability s 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...

Страница 26: ...table s Foreign matter or water accidentally enters the unit interior s The power cord gets excessively hot or its insulation is torn or stripped s TIMER lamp on the indoor unit display blinks As the nature of the failure can be identified by the blinking cycle check the blinking cycle before turning off the circuit breaker s Please contact your sales agent immediately if the air conditioner still...

Страница 27: ... built in installation make sure that the infrared receiver and indicator are not blocked 5 Pipes can be laid out from the right bottom or rear when the unit is viewed from front 6 Keep the clearance shown by 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 fa...

Страница 28: ... 200 28 NOTE 1 For outdoor unit installation allow at least 2 sides of space around the unit ensure ventilation 2 The connecting pipe should all the insulated with insulation pipe 3 Piping length is within 20m 4 Height d fferent of the piping between the indoor unit and outdoor unit s ould be within 10m i h flue ...

Страница 29: ...YEL 0 5V 0V 35V 5V BLU BLK BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN RED RED BLK BLACK PNK PINK VIO VIOLET M WHT V M BLK W M RED U THERMOSTAT Room temperature Thermistor MAIN ELECTRIC COMPONENTS FOR OUTDOOR UNIT S L E D O M E L B A C I L P P A G N I T A R E M A N REVERSING VALVE COIL REACTOR L1 RAC 50FPA 400 R O T I C A P A C M L I F 嘕 F 1 1 REACTOR L1 RAC 50FPA RAC 50F...

Страница 30: ...as 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 30 YELLOW V RED W WHITE U ...

Страница 31: ...Ｃ Ｏ Ｎ Ｔ Ｒ Ｏ Ｌ Ｐ Ｗ Ｂ A P F 0 5 C A R A P R 0 5 F A R NOTE 1 Connecting cable 1 5mm dia x2 C D line is used for the connection 31 ...

Страница 32: ...WIRING DIAGRAM OF THE PRINTED WIRING BOARD 2 E 5 R A R r e l l o r t n o c e t o m e R 32 ...

Страница 33: ...A P R 0 5 F A R L E D O M 33 ...

Страница 34: ...MODEL RAC 50FPA 34 ...

Страница 35: ...amp Filter Operation Timer Auto sweep motor 1 M Indoor microcomputer AX 12C720 Indoor DC fan motor Indoor Outdoor interface circuit Heat exchanger thermistor Room temperature thermistor Wireless receive circuit DC fan motor drive circuit Microcomputer clock circuit Initial setting circuit Reset circuit Temporary switch Wireless remote control C D 35 ...

Страница 36: ...to Stop if the room temperature is 18 in the Silent mode other than during preheating cooling is recovered at 18 33 The fan speed is controlled by the heat exchanger temperature the overload control is executed as in the following diagram Heat exchanger temperature KAFON KAFOF Med with overload Lo On On Off Set to Silent Lo Med Hi ultra Hi or stop depending on the room temperature time and heat ex...

Страница 37: ...sec STARTM2 sec STARTM3 sec PKOU 500 min 1 FZZY GN 1 FZZYTM 3 min SHIFTW 0 33 SFTSZW 0 33 SFTOYW1 0 66 SHIFTC SHIFTD CMNLMT 2000 min 1 TEION 2 00 TEIOF 9 00 DFTIM COL min DFTIM FST 45 min DFTIM OTP0 43 min DFTIM OTP5 50 min DFTIM OTP10 50 min TDF411 sec TDF412 sec TDF413 sec DFRPM3 2400 min 1 STARCPDL 2200 min 1 STARCPDH 2200 min 1 STARCPD2 min 1 STARTDF1 sec STARTDF2 FWAH P min 1 FWH P min 1 FWAH...

Страница 38: ...ed fan mode and v change operation mode 3 During Cool Dashed operation thermo off temperature is set temperature with shift value 3 C After thermo off operation continue in Fuzzy control mode 4 Compressor minimum ON time and OFF time is 3 minutes 5 During normal cooling mode compressor maximum rpm CMAX will maintain for 60 minutes if indoor temperature is lower than CLMXTP No time constrain if ind...

Страница 39: ...39 ...

Страница 40: ...The indoor fan is operated in the Lo mode During thermo OFF indoor fan will be OFF for 5 minutes and ON for 1 minute 3 When the operation is started by the themostat turning ON the start of the indoor fan is delayed 32 seconds after the start of compressor operation 4 The compressor is operated forcedly for 3 minutes after operation is started 5 The minimum ON time and OFF time of the compressor a...

Страница 41: ...41 ...

Страница 42: ...ntain for 120 minutes if indoor temperature is higher than 18 C No time limit constrain if indoor temperature is lower than 18 C and outdoor temperature is lower than 2 C 6 During Hotkeep or Defrost mode indoor operation lamp will blink at interval of 3 seconds ON and 0 5 second OFF 7 When heating mode starts it will enter into Hotkeep mode if indoor heat exchanger temperature is lower than YNEOF ...

Страница 43: ... 1 The first inhibit time after operation start is set to DFTIM_FST 2 From the second time onwards the inhibit time is set according to the time required for defrosting Reverse cycle operation time DEFCOL DEFTIM_COL is set Reverse cycle operation time DEFCOL The time corresponding to outdoor tempera ture is set 43 ...

Страница 44: ...44 ...

Страница 45: ...fan Cooling 0 66ć Dehumidifying 0 66ć Heating 0 66ć Set temperature Current restrict Compressor speed Notes 8 WUD L L 0HG RZ 6LOHQW 8OWUD R Can t set POWERFUL and ECO at the same time During FAN operation can t set ECO SILENT Notes Can t set POWERFUL and SILENT at the same time 45 ...

Страница 46: ...RAF 50RPA RAC 50FPA COOLING CYCLE INDOOR UNIT OUTDOOR UNIT HEATING CYCLE INDOOR UNIT OUTDOOR UNIT 46 ...

Страница 47: ...WKH ILOWHUV XVLQJ D YDFXXP FOHDQHU IWHU XVLQJ QHXWUDO GHWHUJHQW ZDVK ZLWK FOHDQ ZDWHU DQG GU LQ VKDGH WWDFK WKH ILOWHUV ORVH WKH IURQW SDQHO 7R FORVH WKH IURQW SDQHO SUHVV WKH XSSHU FHQWHU SDUW RI WKH IURQW SDQHO 3UHVV DW WKH WRS OHIW DQG ULJKW FRUQHUV RI WKH IURQW SDQHO 5HPRYLQJ 3UHVV DW WKH WRS OHIW DQG ULJKW FRUQHUV RI WKH IURQW SDQHO 2 72 167 1 5 029 7 5217 3 1 H VXUH WR XVH ERWK KDQGV WR JUDV...

Страница 48: ...YHU IROORZ WKH DERYH SURFHGXUH LQ UHYHUVH RUGHU 0DNH VXUH WKH KRRNV DW WKH IURQW FRYHU WRS VXUIDFH DUH VHFXUHO LQVHUWHG LQWR WKH FDELQHW 5HPRYH WKH IURQW SDQHO 5HPRYH WKH IURQW FRYHU 5HPRYH WKH ERWWRP VFUHZV DQG WRS VFUHZV 3XOO WKH IURQW FRYHU DSSUR LPDWHO PP WRZDUG RX 48 ...

Страница 49: ... 7 1 3 5HPRYH WKH IURQW SDQHO DQG WKH IURQW FRYHU 5HPRYH WKH LQGLFDWLQJ 3 FDVH 6 5 5 0 5HPRYH WKH IURQW SDQHO DQG WKH IURQW FRYHU 5HPRYH WKH IL LQJ VFUHZV RI WKH GLVFKDUJH IUDPH DQG WKHQ SXOO RXW WKH GLVFKDUJH IUDPH WRZDUG RX 49 ...

Страница 50: ... 75 3 576 6 5HPRYH WKH IURQW SDQHO DQG WKH IURQW FRYHU 5HPRYH WKH IL LQJ VFUHZV RI WKH HOHFWULFDO SDUWV FDVH 6FUHZ 6FUHZ OHFWULFDO SDUWV FDVH 50 ...

Страница 51: ... DUH WKH IL DWLRQ RI HYDSRUDWRU DUH UHPRYHG 7KH WDE ZKHUH WKH OHIW VLGH RI HYDSRUDWRU LV IL HG LV UHPRYHG YDSRUDWRU LV OLIWHG XS DQG UHPRYHG 7ZR VFUHZV WKDW LV WKH IL DWLRQ RI IDQ PRWRU VXSSRUW LV UHPRYHG DQG IDQ PRWRU VXSSRUW LV UHPRYHG 7KH WDQJHQWLDO DLU IORZ IDQ DQG IDQ PRWRU DUH IL HG ZLWK VFUHZ 3OHDVH ORRVHQ VFUHZ ZKHQ RX UHPRYH 51 ...

Страница 52: ...generated using three terminal regulator IC121 1 Power circuit DESCRIPTION OF MAIN CIRCUIT OPERATION RAF 50RPA C133 Q111 R114 Q113 Q112 R111 R115 C113 C116 R112 ZD111 R116 R117 C111 Q116 R124 R121 R122 R123 Q115 C112 IC111 8 L751 R631 L752 R752 C132 ZD131 M CN10 1 2 3 4 5 6 C131 C751 C621 R751 Motor Indoor Fan IN OUT GND D121 0V ZD121 R118 C103 35V 35V 0V ICP2 C115 L111 C114 D111 R119 ICP1 C102 12...

Страница 53: ... input is Lo for resetting and Hi for heating Waveform of each part when switching ON the power and when shutting down is shown in the Fig 2 2 After switching ON the power pin of IC521 supply voltage and pin of microcomputer becomes Hi when DC5V line rises and reaches approximately 4 4V or higher Then resetting will be cancelled and microcomputer starts operating After shutting down the power pin ...

Страница 54: ... motor as instruction voltage number of rotations The relationship between the voltage of point and number of rotations becomes as shown in Fig 3 The gap may arise depending on the condition of unit The feedback pulse of number of rotation is outputted from the fan motor and input to micro computer pin 68 The frequency of this pulse is 12 60 of the number of rotations Ex 1000min 1 12 60 200Hz The ...

Страница 55: ...IFIES AND SHAPES THE SIGNAL AND OUTPUTS IT 7 2 33 INPUT ICROCOMPUTER R6 2 6 6 6OUT 6OO GND 66 6 1 2 2 UZZER IRCUIT 2ECEIVE IRCUIT 55 When the buzzer sounds an approx 3 9kHz square signal is output from buzzer output pin 83 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...

Страница 56: ... R734 54 5V 6 Initial Setting Circuit IC401 7 Temporary Switch Circuit R301 5V R305 C302 90 1 2 3 4 5 0 0 10 20 30 40 8 Room Temperature Thermistor Circuit A room temperature thermistor circuit is shown in Fig 8 1 According to room temperature the voltage of point becomes as it is shown in Fig 8 2 Microcomputer Room Temperature Thermistor Voltage of point V Room temperature Room temperature input ...

Страница 57: ...10 10 10 10 R921 R924 R642 R544 R542 R610 R922 DSW1 DSW1 R923 R541 R543 57 93 ...

Страница 58: ...RMINAL BOARD 0 12 2 2 3 3 2 12 2 3 2 2 2 2 2 2 2 2 2 2 4 5 5 6 5 5 78 3 6 9 5 5 78 6 8 3 6 8 6 958 9 69 5 9 5 8 2 75 5 05 2 2 3 3 3 09 09 60 9 8 60 9 8 09 60 9 8 4 2 0 0 2 2 5 5 5 2 4 6 958 RA 50FPA 5 C 58 ...

Страница 59: ... 9 9 RQWURO 3 0LFURFRPSXWHU 59 ...

Страница 60: ... ＴＥＳＴ ＳＷＩ ＴＣＨ ＳＷ ＳＥＬ Ｆ ＣＨＥＣＫ Ｌ Ａ Ｎ Ｂ Ｃ Ｄ 3 RQWURO 5HDFWRU FRQQHFWRU 30 3 30 6PRRWKLQJ DSDFLWRU 60 ...

Страница 61: ...energization only when the above test proves the product to be normal If it is abnormal it should be a lead wire break or a reversing valve failure Voltage when measured with a tester while the reversing valve is energized at the timing for voltage measurement Hold down the test switch of the outdoor electrical parts for at least 1 second Energization begins 1 second after the test switch is press...

Страница 62: ...62 ...

Страница 63: ...5 Electric expansion valve circuit 22 23 24 25 12 13 14 15 5 4 3 2 34 32 30 29 RED 63 ...

Страница 64: ...3 15A Fuse Switching power source 64 ...

Страница 65: ...3 15A 3 15A DC260 360V 65 ...

Страница 66: ... is ON 7 Intelligent power module circuit IPM circuit Fig 7 1 shows peripheral circuits of intelligent power module IPM In the diagram U V and W are called the upper arm U V and W the lower arm TERMINAL BOARD C023 C022 C021 C024 R660 R008 C032 66 ...

Страница 67: ...lled to ON OFF by 2 5kHz 5kHz 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 7 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 7 3 shows voltage waveform at each point shown in Figs 7 1 and 7 4 First half of upper arm is chopper s...

Страница 68: ...termittent waveform as shown in Fig 3 Since current at point B is approximately proportional to the input current of the air conditioner input current is controlled by using DC current Id detection resistor Reference If power module is defected self diagnosis lamps on the MAIN P W B may indicate as shown below 1 7 e l b a T 7 R008 C032 C023 C024 C021 C022 Fig 7 5 68 ...

Страница 69: ...he fan speed remains LOW for 30 seconds If HIGH is elected it switches to LOW and again to MED after additional 30 seconds Heating operation stops while the temperature is preset at 30 If temperature is high in the outdoor heating operation may stop to protect internal devices Normal sound when refrigerant flows in pipe To improve the dehumidification efficiency performs quiet fan operation Theref...

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Страница 72: ...7528 6 227 1 RA 50FPA C 72 ...

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Страница 74: ...74 ...

Страница 75: ...7528 6 227 1 1 7 7 0 5 03 1 6 1 0 1 1 2 RAF 50RPA 7 75 ...

Страница 76: ...EL RAC 50FPA DANGER DC350V P W B IPM DC INPUT OUTDOOR FAN MOTOR COMPRESSOR FUSE F4 P W B MAIN FUSE F3 LED LD303 TEST SERVICE SELF DIAGNOSIS USED JW002 CN17 DC INPUT CONNECTOR CN24 SELF DIAGNOSIS USED JW001 SWITCH CONNECTOR LED LD302 LED LD301 76 ...

Страница 77: ...77 78 ...

Страница 78: ...78 ...

Страница 79: ... 1 2 3 2 4 5 2 12 4 6 4 6 7 8 3 9 6 1 7 1 225 287 225 81 7 75 3 576 1 5 5 5 7 1 7 6 4 4 4 8 3 ＴＥＳＴ ＳＷＩＴＣＨ ＳＷ ＳＥＬＦ ＣＨＥＣＫ Ｌ Ａ Ｎ Ｂ Ｃ Ｄ ＣＮ１１Ａ ＣＮ６ ＣＮ４ ＣＮ３ ＣＮ１ ＣＮ１０ ＣＮ７ ＣＮ１６ ５６１ ８２０ MODEL RAF 50RPA RAC 50FPA 79 ...

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Страница 85: ... 1 7 287 225 81 7 75 3 576 MODEL RAC 50FPA 85 ...

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Страница 90: ... 1 7 5 027 21752 5 90 ...

Страница 91: ...91 36 ...

Страница 92: ...Please set the DIP switch No 6 to ON accordingly Refe to page 57 r 92 ...

Страница 93: ...93 57 ...

Страница 94: ...94 ...

Страница 95: ...defective Replace it and seal refrigerant If the compressor checker for an inverter type air conditioner is available re check using it Gas leaks Repair and seal refrigerant Perform a final check of operation YES Gas leaking Lighting mode Blinks 2 times Blinks 3 times Blinks 4 times Blinks 5 times Blinks 6 times Blinks 8 times LD301 Approx 10 seconds Compressor Blinking Off Time until the lamp lig...

Страница 96: ... 2 72 23 5 7 86 1 7 6 59 6 7 7 287 225 81 7 2 72 23 5 7 7 287 225 81 7 1 3 1 17 01 0 2 3 450 6 4 0 7 450 4 0 8 0 0 Do not operate for 5 minutes or more 450 4 0 450 MODEL RAC 50FPA 96 ...

Страница 97: ...38 39 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAF 50RPA 97 ...

Страница 98: ...MODEL RAF 50RPA 98 HWRAF 50NX2 A14 HBOARD AS ...

Страница 99: ...30 OUTDOOR UNIT MODEL RAC 50FPA 99 ...

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Страница 101: ...NO 0070E RAF 50RPA RAC 50FPA HHAW 101 2 ...

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