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Hitachi RAC-07CHV1, Руководство по обслуживанию

"Hitachi RAC-07CHV1" - это инновационный кондиционер с возможностью обслуживания и ремонта. У нас вы можете бесплатно скачать сервисный мануал для этой модели на manualshive.com. Этот мануал поможет вам легко решить любые проблемы с устройством и наладить его работу. Будьте всегда в курсе!

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– 25 –

SIGN

R101

1.0

J

1/4

POWER

(W)

TOLERANCE

RESISTANCE

(

Ω

)

RATING VALUE

RESISTOR (

Ω

)

J  ••• 

±

5%, G ••• 

±

2%, F ••• 

±

1%,

R102

10K

G

1/10

R103

1.2K

G

1/10

R104

1.0

J

1/4

R201

10K

J

1/10

R202

10K

J

1/10

R203

2.7K

J

1/10

R204

5.1K

J

1/10

R205

1M

J

1/10

R206

10K

J

1/10

R208

5.1K

J

1/10

R209

10K

J

1/10

R210

12K

J

1/10

R211

12K

J

1/10

R302

1K

J

1/10

R303

10K

J

1/10

R304

62K

J

1/10

R305

27K

J

1/10

R306

15K

J

1/10

R307

1K

J

1/10

R308

12.7K

F

1/10

R309

1K

J

1/10

R310

12.7K

F

1/10

R311

1K

J

1/10

R312

10K

J

1/10

R401

390

J

1/10

R402

390

J

1/10

R403

390

J

1/10

R404

390

J

1/10

R405

5.1K

J

1/10

R406

5.1K

J

1/10

R407

10K

J

1/10

R408

10K

J

1/10

R409

10K

J

1/10

R410

10K

J

1/10

R601

10K

J

1/10

R603

10K

J

1/10

R606

10K

J

1/10

R607

10K

J

1/10

R608

1K

J

1/10

R609

1K

J

1/10

R610

1K

J

1/10

R611

10K

J

1/10

R702

390

J

1/10

R703

200

J

1/10

R705

1K

J

1/10

R709

1K

J

1/4

R710

1K

J

1/4

R801

3.3K

J

1/10

R802

1K

J

1/10

R810

5.1K

J

1/10

R811

5.1K

J

1/10

TRANSISTOR

SIGN

MODEL

Q201

2SC2462LC

Q202

2SA1121SC

Q903

2SA1469S

Q904

2SC3624

R812

20

J

1/4

R813

20

J

1/4

R901

20K

F

1/10

R902

300

J

1/10

R903

2.21K

F

1/10

R904

2K

J

2

R905

2K

J

2

R906

1.5

J

1/4

R909

1.5

J

1/4

R910

1.5

J

1/4

DIODE

SIGN

MODEL

D101

G4DL-6140

D102

D1FS6

D201

HSM2838C

D401

HSM2838C

D403

HSM2836C

D901

D1FL20U

D902

LFB01

LED

SIGN

LD702

SLR-332DC3F

ORANGE

ZENER DIODE

SIGN

MODEL

ZD201

RLZ24

ZD202

RLZ10

ZD701

RD5.1UJN2

INDUCTOR

SIGN

MODEL

L101

82

µ

H, 1.3A

L102

560

µ

H, 0.6A

L901

450

µ

H, 1.5A

IC

SIGN

MODEL

REG1

IR3M03AN

REG2

MC7805CT

IC1

HD6433714

IC401

X24C01SI

IC501

ULN2003ANS

ICP

ICP-S0.5

OSCILLATOR

MODEL

EF0EC8004A4

MODEL   RAS-07CH1, RAS-09CH1

SIGN

C101

470

µ

50

D

TYPE

VOLTAGE

(V)

CAPACITANCE

(F)

RATING VALUE

CAPACITOR

TYPE

C  ••• CERAMIC CAPACITOR
D ••• ELECTROLYTIC CAPACITOR
F  ••• FILM CAPACITOR

C102

150

µ

35

D

C103

100

µ

10

D

C104

0.1

µ

25

C

C105

220P

50

C

C107

0.47

µ

25

C

C108

0.022

µ

50

C

C201

33

µ

10

D

C202

0.047

µ

25

C

C205

0.1

µ

25

C

C206

0.1

µ

25

C

C301

0.047

µ

25

C

C302

0.047

µ

25

C

C303

0.047

µ

25

C

C401

0.047

µ

25

C

C601

0.047

µ

25

C

C701

33

µ

10

C

C702

1000P

50

C

C801

3300P

50

F

C802

30P

50

C

C803

0.022

µ

50

C

C804

0.01

µ

50

C

C805

0.22

µ

50

F

C806

150P

50

C

C807

0.22

µ

50

F

C901

220

µ

50

D

C933

10

µ

16

C

C940

10

µ

16

C

C942

0.1

µ

25

C

R911

1.5

J

1/4

R915

1.5

J

1/4

R920

3.3K

J

1/10

R921

3.3K

J

1/10

R930

1K

F

1/10

R931

8.25K

F

1/10

R932

5.1K

J

1/10

MODEL

COLOUR

LD703

SLR-332YC3F

YELLOW

Содержание RAC-07CHV1

Страница 1: ...NS 5 CONSTRUCTION AND DIMENSIONAL DIAGRAM 6 NAMES AND FUNCTIONS OF EACH PART 7 MAIN PARTS COMPONENT 20 WIRING DIAGRAM 22 WIRING DIAGRAM OF THE PRINTED WIRING BOARD 24 BASIC MODE 31 DESCRIPTION OF MAIN CIRCUIT OPERATION 35 AUTO SWING FUNCTION 40 SERVICE CALL Q A 41 DIAGNOSIS CHART FOR BREAK DOWN 46 REFRIGERATION CYCLE 56 PARTS LIST AND DIAGRAM 57 RAS 07CH1 RAS 09CH1 RAC 07CHV1 RAC 09CHV1 RAS 07CH1 ...

Страница 2: ...se in repairs or inspection should be accurately calibrated in advance 7 In installing the unit having been repaired be careful to prevent the occurence of any accident such as electrical shock leak of current or bodily injury due to the drop of any part 8 To check the insulation of the unit measure the insulation resistance between the power cord plug and grounding terminal of the unit The insula...

Страница 3: ... parts Even rejected goods should be handled in the same way 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...

Страница 4: ...he screwed part using a rag plate Soldering iron Grounding wire Fig 4 Grounding a soldering 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 shortcircuit a load circuit or the like Metal plate of aluminium stainless steel etc Staple ...

Страница 5: ...peration and then re started in a moment cooling 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 4 This room air conditioner should not be used at the cooling operation when the outside temperature ...

Страница 6: ...SE SUPPRESSOR REMOTE CONTROL SWITCH LIQUID CRYSTAL THERMOSTAT FUSE CAPACITY RAS 09CH1 20 W NO NO NO NO NO NO NO NO YES YES NO NO NO NO YES YES IC SPECIFICATIONS 10 A TIME DELAY FUSE 630g UNIT PIPES 630g for piping set of 5 8m 670g for piping set of 5 8m REFRIGERANT CHARGING VOLUME Refrigerant 22 WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE P 105 VK1 5m P 108 VK1 8m 5 RAC 07CHV1 20 W 1 5 µF 4...

Страница 7: ...binet 62 15 Wireless remote controller 120 265 About 340 About 430 About 400 VIEWED FROM BACK VIEWED FROM BACK PIPE LEAD OUT 167 5 450 167 5 92 58 58 Drain outlet Drain hose Drain pan 25 43 Narrow pipe ø6 35 Narrow pipe ø6 35 Wide pipe ø9 52 Wide pipe ø9 52 55 5 Drain cap connection part When piping is drawn When piping is drawn horizontally exchange the drain hose for the drain cap Air outlet Han...

Страница 8: ...DED SUCTION GRILL AIR INLET COOLING UNIT INDICATORS Light indicator showing the operating condition Refer page 8 HORIZONTAL DEFLECTOR VERTICAL DEFLECTOR AIR OUTLET Refer page 14 REMOTE CONTROL Send out operation signal to the indoor unit So as to operate the whole unit Refer page 9 DRAIN PIPE Condensed water drain to outside CONNECTING CORD AIR INLET BACK LEFT SIDE AIR OUTLET Blow out warm air EAR...

Страница 9: ...witch the operation is done in previously set operation mode When the operation is done using the temporary switch after the power source is turned off and turn on again the operation is done in automatic mode POWER SWITCH OPERATION INDICATOR OPERATION LAMP This lamp lights during operation TIMER LAMP This lamp lights when the timer is working SIGNAL RECEIVER There will be a beep sound when this r...

Страница 10: ...ith the accessory parts Before fixing it make sure the unit can be controlled by the remote control unit at the fixing position REMOTE CONTROLLER HOLDER CANCEL Button Cancel timer reservation Signal Transmission ON OFF Button Press this button to start operation Press it again to stop operation FUNCTION Button Select the operation mode Page 12 DEHUMIDIFY Button Dehumidify mode direct selection Pag...

Страница 11: ...will receive the setting by a beep AUTOMATIC OPERATION The device will automatically determine the operation mode either HEAT COOL or DEHUMIDIFY depending on the initial room temperature 1 You can slightly adjust the room temperature 1 The selected mode of operation will not change during the operation even though the room temperature change CONDITION OF AUTOMATIC OPERATION Over 27 C COOL 23 27 C ...

Страница 12: ...eat mode have been selected by using the FUNCTION button You can select the fan speed and desired temperature The range of 18 20 C is recommended as the room temperature for heating If the temperature setting is 20 C the room temperature will be controlled at around 20 C The temperature setting and the actual room temperature may vary somewhat depending on conditions As the settings are stored in ...

Страница 13: ...nt room temperature 3 FAN SPEED SETTING Every time you press the button fan speed will change as the below sequence HEATING COOLING CIRCULATION DEHUMIDIFY QUIET FIXED 4 Press the START STOP button Operation start with a signal received sound beep Press the START STOP button As the settings are stored in memory in the remote control unit you only have to press the Start Stop button next time HEATIN...

Страница 14: ...s was set Setting time will change according to the below sequence The value change more quickly if you keep pressing the button ON Timer Reservation 1 Press the Cancel button As the time settings are stored in remote controller memory you only have to press the Reserve button in order to use the same setting next time CANCELLATION of Timer Reservation 2 Press the Reserve button ON TIMER reserved ...

Страница 15: ...essed once the horizontal air deflector swings up and down If the button is pressed again the deflector stops in its current position Several seconds about 12 seconds may be required before the deflector starts to move In Cooling operation do not keep the horizontal air deflector swinging for a long time Some dew may form on the horizontal air deflector and some dew drops may fall from it 1 Remove...

Страница 16: ...wake up time in the morning This will enable you to enjoy a comfortable room temperature Please use the timer effectively Dusty air filter will reduce the air volume and the cooling efficiency To prevent from wasting electric energy please clean the filter every 2 weeks Please pay attention to the room temperature and air flow direction when operating the unit for baby children and old folks who h...

Страница 17: ...cannot be achieved When the power is resumed after a power failure the indoor unit will still remain OFF To operate the unit please press the ON OFF button again When the indoor unit is not to be used for a long period of time please switch off the power from the mains If the power from mains remains ON the indoor unit still consumes about 4W in the operation control circuit even if it is in OFF m...

Страница 18: ...peed to HIGH when using it in this condition Recommended to replace the air cleaning filter after every 3 months for normal usage Type number for this air cleaning filter is SPX CFH3 Please use this number for ordering when you want to renew it Set the filter with FRONT mark facing front and slot in them to the original state Do not wash with hot water at more than 40 C The filter may shrink When ...

Страница 19: ... power plug 1 2 3 REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY CONTACT YOUR SALES AGENT SHOULD YOU NEED ANY HELP Is the plug of power line firmly plugged into the socket Please ensure no loose contact between them Is the earth line disconnected or broken Is the mounting frame seriously affected by rust and is the outdoor unit tilted or unstable Air Blow C...

Страница 20: ...nning the following phenomena may occassionally 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...

Страница 21: ...NDICATION 16 INDICATION 24 INDICATION 32 MODEL RAS 07CH1 RAS 09CH1 THERMOSTAT MODEL IC ON 17 6 63 7 OFF 16 6 61 8 ON 25 6 78 1 OFF 24 6 76 3 ON 33 6 92 5 OFF 32 6 90 7 35V 5V M RED YELLOW BLUE RESISTANCE VALUE RED INTERNAL THERMAL FUSE BLACK CAPACITOR MODEL RAS 07CH1 RAC 07CHV1 RAS 09CH1 RAC 09CHV1 PHASE SINGLE RATED VOLTAGE DC0 35 V 220 240 V RATED FREQUENCY 50 Hz OUTPUT 20 W 20 W POLE NUMBER 6 ...

Страница 22: ...ECTION 20 C 68 F 75 C 167 F RA 4 027 RM 3 938 RA 4 896 RM 4 787 RESISTANCE VALUE ORANGE RED WHITE CAUTION 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 RM RA RED ORANGE W...

Страница 23: ... 3 15A PCB SW TRANS CIRCUIT B H I K F M INDOOR UNIT OUTDOOR UNIT A G M Z M B L N J D R V 1 MICON AND DISCRETE CIRCUITRY 5V 12V 0V 35V COMPRESSOR FAN MOTOR POWER SWITCH REVERSING VALVE LINE CORD THERMAL FUSE FOR TERMINAL BOARD 1 5 µF CAPACITOR FAN MOTOR PROTECTOR 30 µF CAPACITOR TERMINAL BOARD THERMISTOR STICK RELAY NOISE FILTER POWER RELAY SURGE ASSORBER OVERLOAD RELAY VARISTOR INTERFACE RELAY OUT...

Страница 24: ...LUE GRY YEL DEFROST YEL YEL BRN GRN WHT GRY WHT WHT RED BLK BRN RED BLK GRN YEL GRN YEL GRN YEL 1 2 3 4 RED CN6 CN3 CN1 BRN BRN ROOM INDICATION BOARD HEAT EXCHANGER CN9 96 C CN7 CN4 MAIN BOARD CN4 CN2 CN6 GRY BLK RED SW TRANS MAIN BOARD 3 4 3 4 3 15A CN10 CN2 6 LINES L Z B J V 1 2 P X P M N K H A G Y U I F L B W V R E J L J D C CONNECTING CORD COOLING UNIT CONDENSING UNIT ...

Страница 25: ... 64 SEG 18 63 SEG 17 62 SEG 16 61 SEG 15 60 SEG 14 59 SEG 13 58 SEG 12 57 SEG 11 56 SEG 10 55 SEG 9 54 SEG 8 53 SEG 7 52 SEG 6 51 SEG 5 50 SEG 4 49 SEG 3 48 SEG 2 47 SEG 1 46 SEG 0 45 COM3 44 COM2 43 COM1 42 COM0 41 1 SEG 36 2 SEG 37 3 SEG 38 4 SEG 39 5 P00 6 P01 7 P02 8 P03 9 P10 10 P11 11 P12 12 P13 13 D0 14 D1 15 D2 16 D3 17 D4 18 D5 19 D6 20 D7 21 D8 22 D9 23 BEEP 24 P20 R9 220k R8 220k R7 220...

Страница 26: ... R903 2 21K F 1 10 R904 2K J 2 R905 2K J 2 R906 1 5 J 1 4 R909 1 5 J 1 4 R910 1 5 J 1 4 DIODE SIGN MODEL D101 G4DL 6140 D102 D1FS6 D201 HSM2838C D401 HSM2838C D403 HSM2836C D901 D1FL20U D902 LFB01 LED SIGN LD702 SLR 332DC3F ORANGE ZENER DIODE SIGN MODEL ZD201 RLZ24 ZD202 RLZ10 ZD701 RD5 1UJN2 INDUCTOR SIGN MODEL L101 82µH 1 3A L102 560µH 0 6A L901 450µH 1 5A IC SIGN MODEL REG1 IR3M03AN REG2 MC7805...

Страница 27: ...2 7K J 1 6 Q702 2SA673 DIODE SIGN MODEL D201 ERB4408 D202 1SS120 D203 1SS120 D204 D205 RMPG06G D206 D207 YG902C2 D401 1SS120 D402 1SS120 D403 1SS120 D404 1SS120 D601 1SS120 LED SIGN MODEL LD801 RED ZENER DIODE SIGN MODEL ZD201 HZS2B2TA ZD701 HZ7B2 INDUCTOR SIGN MODEL L501 82µH L801 EXCELSA35V OSCILLATOR FREQUENCY 4MHz IC SIGN MODEL REG1 MC7805CT IF HIC IF MODULE MICON AX 8G10 REG2 HA17431PA IC2 UL...

Страница 28: ...ERATION LAMP WIRELESS INPUT OSC2 OSC1 SCL EXTERNAL ROM BLOW TEMP HEAT EXCHANGER TEMP TEST SPEED TEST IC1 AX 7F01 MICON HD6433714 INDOOR TEMP IF TRANSMISSION OUTPUT SDO IF RECEPTION INPUT SDI X2 X1 SDA HA OUTPUT AVSS VSS 5V 5V 5V 5V 5V 0V 0V 0V R607 R608 C601 R611 0V 0V 0V 0V 0V 5V R205 OSCILLATOR C301 C302 R309 R302 5V 5V 5V 5V 5V 5V 5V 5V 5V 12V 5V 0V 0V 0V R401 R406 R405 R402 C702 R705 R703 R702...

Страница 29: ...6 7 16 15 14 13 12 11 10 8 7 6 5 1 2 3 4 1 A 2 3 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 WHT PROTECTOR RELAY CONTROL P C B OVERHEAT PROTECTOR COMP MOTOR COMP CAPACITOR VH 4P FM PROTECTOR FM CAPACITOR SK1 CN6 C901 1 9 3 4 5 2 6 4 3 4 1 2 C805 C802 C801 J8 L801 C803 C808 C807 C804 C806 R803 R209 C203 R802 J4 J5 R201 C202 D201 C201 C213 REG1 TRANS D206 D205 D207 C207 PQ8 RE...

Страница 30: ...for 1 Air blow mode A B H L H L L L S S S Automatic L XL HI MED LO and Stop are repeated according to the thermostat signal and time HI MED LO and Stop are repeated according to the thermostat signal and time MED LO and Stop are repeated according to the thermostat signal and time LO and Stop are repeated according to the thermostat signal and time The Automatic speed mode for each operation mode ...

Страница 31: ...ng from Sensor dehumidification operation to Cooling as it is when the thermostat is ON 3 min delay will not be entered However the set room temperature and the blowing velocity will be according to the remote control signal The same applies for switching from Cooling to Sensor dehumidifica tion The same also applies for Automatic sensor dehumidification cooling Sensor dehumidification Cooling 7 T...

Страница 32: ...ion independently Their operations are shown in Fig 1 1 ON OFF button Timer reserve button Sleeping Operation lamp Timer lamp When OFF timer sleeping is set Start Stop Start OFF time When ON timer is set ON time ON OFF button Timer reserve button Operation lamp Timer lamp Stop Start Fig 1 1 Timer operation ...

Страница 33: ...en the reset input is Lo The waveforms at each point when the power is turned on and off are shown in the Fig 2 2 When the power is turned on the voltages of the DC 35V line and DC 5V line are increased When the voltage of DC 35V line reaches about 24V ZD201 is turned ON the potential of Q201 s base rises and Q201 is turned ON At this time the collector of Q201 is set to LO and cause Q202 to condu...

Страница 34: ...06 R405 0V 0V 0V 5V 5V 5V Fig 4 1 5 Receive circuit 18 C702 0V 0V 0V 0V 12V R710 ZD701 R709 R705 C701 INFRARED RECEIVING UNIT MICON The temporary switch is used when the wireless remote controller is lost or troubled Last operation mode and last set temperature are selected or once the power switch is turned off an automatic operation is selected 0V 23 31 3 2 1 4 R610 0V 0V 5V C1 C2 M1 M2 0V 12V R...

Страница 35: ...01 R701 R704 R703 R705 Q702 Q701 12V 5V MICON POWER ON 35V 24V 5V DC35V Line DC5V Line Q701 S Base POWER OFF 5V Q702 S Collector Fig 1 1 Reset Circuit POWER ON 35V 24V 5V DC35V Line DC5V Line Q701 S Base Q701 S Base POWER OFF 5V Q702 S Collector Q702 S Collector Fig 1 2 ...

Страница 36: ...reaches about 7V ZD701 is turned ON the potential of Q701 s base rises and Q701 is turned ON At this time the collector of Q701 is set to LO and cause Q702 to conduct The collector of Q702 is set to HI and the reset input of the micro computer is set to HI also The DC 5V voltage has already become 5V at this time and the micro computer starts operate When the power is turned OFF the voltage of the...

Страница 37: ...ACH MODE ONE SWING CLOSING AIR DEFLECTOR 1 DOWNWARD 2 UPWARD INITIALIZE 1 DOWNWARD INITIALIZE 1 DOWNWARD 2 UPWARD STOP AT THE MOMENT START SWINGING 1 DOWNWARD 2 UPWARD 3 DOWNWARD STOP AT THE MOMENT START SWINGING 1 DOWNWARD 2 UPWARD 3 DOWNWARD STOP AT THE MOMENT ONE SWING CLOSING AIR DEFLECTOR 1 DOWNWARD 2 UPWARD INITIALIZE AT NEXT OPERATION INITIALIZE AT NEXT OPERATION STOP DURING ONE SWING STOP ...

Страница 38: ...ifying operation the actual room temperature is compared with the room tem perature setting when starting the operation and the opera tion is as follows 1 When actual room tem perature room tempera ture setting The operation is according to the room temperature setting on the remote con troller 2 When actual room tem perature room tempera ture setting Regardless of the room temperature setting the...

Страница 39: ...LO fan speed followed by MED fan speed for 30 seconds and then by HI fan speed A8 The operation stops during a heating operation while the room temperature is set at 30 Q9 If a heating operation is performed when the exterior temperature is high the operation may stop to protect the equipment A9 The outdoor fan does not move at a heating operation by the service switch Q10 It is not a trouble When...

Страница 40: ...tomati cally determined A13 The room temperature cannot be controlled at an automatic operation Q14 It is automatically set as follows At cooling Set at 27 C At dehumidifying Set slightly lower than room temperature The room temperature setting can be raised 3 C by or lowered 3 C by V A14 When changing the room temperature setting in an automatic operation the next automatic operation mode is dete...

Страница 41: ...it mark and sounds a receive sound but does not display the room temperature setting Q17 1 When the operation mode is Automatic the fan speed is automatically fixed to Automatic 2 At an Automatic operation the room temperature setting is not displayed The room temperature is automatically set as follows At cooling Set at 27 C At dehumidifying Set to a temperature slightly lower than the room tempe...

Страница 42: ... correctly A19 V The current time disappears soon Q20 The current time disappears soon and the timer setting indication takes a precedence A20 When setting the current time its indication blinks for approximately 3 minutes In spite of timer Preprogram the time setting is extinguished Q21 Isn t the time over the prepro grammed time As soon as the prepro grammed time is reached the time setting disa...

Страница 43: ... Yes Yes No Over than 1 time blinking 1 One time blinking Operate the service switch to Air Cond Is the compressor in operation After confirming put service switch back to Normal Refer the manual mode of self checking lamp signing Check refrigeration cycle Check outdoor unit electrical Check indoor unit electrical Confirm that F Cable is connected correctly and not disconnected Is it pointed aroun...

Страница 44: ...or unit heat barter DEF thermistor is disconnected or there is a short circuit Outdoor unit heat barter DEF thermistor DC Fan motor over flow of electricity Indoor DC Fan motor has over flow of electricity 1 Indoor Fan is locked 2 Indoor Fan motor 3 Indoor control circuit board IC 401 Data read wrongly In case that data read from IC401 is wrong IC401 is not in order Note 1 No indication for self c...

Страница 45: ... connecting Exchange sensor unit After switching on immediately will timer lamp flash 13 times Exchange control circuit board Is control voltage normal Is DC12V at the both edge of C102 Exchange REG 1 after confirm everything is normal heat from short circuit parts of circuit board pattern Also exchange in case output is over 15V Is DC12V between REG2 I and REG2 G Exchange terminal after confirmin...

Страница 46: ...12 5k 25 C about 10k 30 C about 8k Is LD301 of outdoor electrical unit blinking 9 times Check heat exchanger thermistor if it is not in order exchange thermistor Normal 20 C about 12 5k 25 C about 10k 30 C about 8k Check outdoor electrical unit and repair break down parts around transmit circuit of outdoor inter face Q801 collector has indoor transmission signal Check transmit circuit of indoor in...

Страница 47: ...xchange micro computer Make final checking of machine works 4 Unable to change the wind level of indoor fan others are normal Why fan is still running even though one has press the stop button of remote control unit Is PWM output pin 57 of micro computer fan at HI level Exchange micro computer Collector of Q904 has about 0V Exchange Q904 Exchange Q903 Exchange micro computer Make final checking wh...

Страница 48: ...eration lamp on and lighting off after 5 10 second later Start cooling operation again after taking out CN10 Once operation lamp on and lighting off after 5 10 second later Indoor units fan can be easily turned around by hand Exchange indoor fan motor Check any short circuit board pattern Check whether the fan stuck on casing and repair Yes No Yes Yes No ...

Страница 49: ... self checking lamp signing In case 3A fuse is melted and cut off observe any break down in other parts Mostly Barista 2 Diode stuck Balance capacitor etc Check if there is anything loose or out of place in the connecting parts CN8B CN10 CN1 etc Is switching electrical circuit ok Refer the mode of self checking lamp setting Exchange break down parts Connecting tight Exchange break down parts Inspe...

Страница 50: ...m control circuit board and is there the output DC35V between CN10 posts Exchange SW power circuit board Inter face relay Is there DC12V from the end of inter face relay coil terminal There is some break down at the area from 12V output in control circuit board switching Observe soldering touch etc Is there certain voltage over 10V between the inter face relay terminals Exchange inter face relay C...

Страница 51: ...circuit works correctly Exchange thermistor circuit parts Confirm circuit pattern and lead wiring following drawing board and circuit LD202 is 1 time blinking Stop reset Does reset circuit works correctly Micro computer pin 26 has bout 5V output Exchange break down parts Start again does it works correctly Make final checking of machine works Reconfirm all the connector are set firmly Yes No No No...

Страница 52: ...or open or short circuit 1 Thermistor 2 Thermistor unconnected 3 Thermistor circuit only heat pump type is blinking 123 123 123 123 9 times on and off Communication error Comunication is interrupted 1 Cable wrongly connected 2 Cable is cut off 3 Indoor Outdoor inter face circuit Indication instance of lighting on and off 7 times 2 sec 0 25 second lighting on and at 0 25 second is interval SERVICE ...

Страница 53: ...ling Defrost Comp 9 52 9 52 6 35 6 35 6 35 6 35 6 35 6 35 4 76 6 35 6 35 8 0 Indoor Unit 6 35 11 0 9 0 9 0 9 52 9 52 Reversing Valve Suction Tank Service Valve 3 8 Service Valve 1 4 Strainer Cooling Capillary Check Valve Charging Pipe Heating Capillary Union 1 4 Outdoor Unit Union 3 8 Comp COOLING DEFROST 9 52 9 52 6 35 6 35 6 35 6 35 6 35 6 35 4 76 6 35 6 35 8 0 Indoor Unit HEATING REFRIGERATION ...

Страница 54: ... 57 PARTS LIST AND DIAGRAM MODEL RAS 07CH1 RAS 09CH1 7 15 16 3 20 8 20 26 2 17 12 24 18 19 40 23 51 13 11 9 10 14 6 5 4 1 23 ...

Страница 55: ...S 5100C 017 1 UNION 3 17 PMRAS 05C 012 1 STEP MOTOR 18 PMRAS 07CH1 021 1 ELECTRICAL CASE 19 PMRAS 07CH1 22 1 ELECTRICAL COVER 20 PMRAS 07CH1 003 1 PWB MAIN AND INDICATION 23 PMRAS 07C1 006 2 TERMINAL 2P 24 PMRAS 07C1 007 1 TERMINAL BOARD 3P 26 PMRAS 07CH1 007 1 ZR POST 5P 27 PMRAS 07CH1 008 1 TRANSISTOR 2SA1121SC 28 PMRAS 07CH1 09 1 IF MODULE 29 PMRAS 07CH1 010 1 ZENER DIODE RLZ10 30 PMRAS 07CH1 0...

Страница 56: ... 05C 026 1 LED YELLOW 43 PMRAS 05C 038 1 LIGHT RECEIVING UNIT 44 PMRAS 10ADF 912 1 REGULATOR MC7805CT 45 PMRAS 13C1K 007 1 DIODE HSM2838CTR 46 PMRAS 05C 039 1 TEMPORARY SWITCH 48 PMRAS 07CH1 007 1 REGULATOR IR3MO3AN 50 R 927CXV 034 1 TRANSISTOR 2SC2462LC 51 RAS 288AX 011 1 SWITCH POWER 60 PMRAS 07C1 010 1 REMOTE CONTROL HOLDER PART N0 RAS 07CH1 NO Q TY UNIT PARTS NAME ...

Страница 57: ... 5100C 017 1 UNION 3 17 PMRAS 05C 012 1 STEP MOTOR 18 PMRAS 07CH1 021 1 ELECTRICAL CASE 19 PMRAS 07CH1 22 1 ELECTRICAL COVER 20 PMRAS 09CHA1R 001 1 PWB MAIN AND INDICATION 23 PMRAS 07C1 006 2 TERMINAL 2P 24 PMRAS 07C1 007 1 TERMINAL BOARD 3P 26 PMRAS 07CH1 007 1 ZR POST 5P 27 PMRAS 07CH1 008 1 TRANSISTOR 2SA1121SC 28 PMRAS 07CH1 09 1 IF MODULE 29 PMRAS 07CH1 010 1 ZENER DIODE RLZ10 30 PMRAS 07CH1 ...

Страница 58: ... 05C 026 1 LED YELLOW 43 PMRAS 05C 038 1 LIGHT RECEIVING UNIT 44 PMRAS 10ADF 912 1 REGULATOR MC7805CT 45 PMRAS 13C1K 007 1 DIODE HSM2838CTR 46 PMRAS 05C 039 1 TEMPORARY SWITCH 48 PMRAS 07CH1 007 1 REGULATOR IR3MO3AN 50 R 927CXV 034 1 TRANSISTOR 2SC2462LC 51 RAS 288AX 011 1 SWITCH POWER 60 PMRAS 07C1 010 1 REMOTE CONTROL HOLDER PART N0 RAS 09CH1 NO Q TY UNIT PARTS NAME ...

Страница 59: ... 62 MODEL RAC 07CHV1 RAC 09CHV1 3 1 7 10 8 9 2 11 5 4 15 14 17 18 12 16 6 38 49 50 31 29 52 51 53 ...

Страница 60: ...ER 15 KPNT1 001 3 PUST NUT 16 PMRAC 07CHV1 903 1 CONDENSER 17 PMRAC 07CHV1 904 1 2S VALVE 18 PMRAC 05CV 914 1 3S VALVE 19 PMRAC 07CHV1 907 1 MICROCOMPUTER AX8G10 20 PMRAC 07CHV1 908 1 LED RED 21 PMRAC 07CHV1 909 1 IF MODULE 22 PMRAC 07CHV1 910 1 RELAY G4A RELAY 23 PMRAC 07CHV1 911 1 NOISE FILTER NF COIL 1 24 PMRAC 07CHV1 912 1 NOISE FILTER NF COIL 2 25 PMRAC 07CHV1 913 1 OSCILLATOR 4MHz 26 PMRAC 0...

Страница 61: ... KILLER SKI 43 RAS 2216W1 011 2 FUSE HOLDER 44 RAS 2236W 056 2 CAPACITOR 0 047µF 25V 45 RAS 2568W 045 1 DIODE D3SB60Z 46 RAS 2568W 053 2 CAPACITOR 0 01µF AC250V 47 RAS 329DX 010 1 INDUCTOR L801 48 RAS 5101C 916 1 DRIVER IC ULN2003AN 49 PMRAC 07CV1 903 1 OVERLOAD RELAY 4 0C36C10L 50 RAC 3520BHV 003 1 CAPACITOR 30µF 400V 51 PMRAC 07CHV1 920 1 REVERSING VALVE 52 PMRAC 07CHV1 921 1 COIL REVERSING VALV...

Страница 62: ...903 1 CONDENSER 17 PMRAC 07CHV1 904 1 2S VALVE 18 PMRAC 05CV 914 1 3S VALVE 19 PMRAC 07CHV1 907 1 MICROCOMPUTER AX8G10 20 PMRAC 07CHV1 908 1 LED RED 21 PMRAC 07CHV1 909 1 IF MODULE 22 PMRAC 07CHV1 910 1 RELAY G4A RELAY 23 PMRAC 07CHV1 911 1 NOISE FILTER NF COIL 1 24 PMRAC 07CHV1 912 1 NOISE FILTER NF COIL 2 25 PMRAC 07CHV1 913 1 OSCILLATOR 4MHz 26 PMRAC 07CHV1 914 1 INTERFACE RELAY 27 PMRAC 07CHV1...

Страница 63: ...KILLER SKI 43 RAS 2216W1 011 2 FUSE HOLDER 44 RAS 2236W 056 2 CAPACITOR 0 047µF 25V 45 RAS 2568W 045 1 DIODE D3SB60Z 46 RAS 2568W 053 2 CAPACITOR 0 01µF AC250V 47 RAS 329DX 010 1 INDUCTOR L801 48 RAS 5101C 916 1 DRIVER IC ULN2003AN 49 PMRAC 5100CV 102 1 OVERLOAD RELAY 5 6C36C10L 50 RAC 3520BHV 003 1 CAPACITOR 30µF 400V 51 PMRAC 07CHV1 920 1 REVERSING VALVE 52 PMRAC 07CHV1 921 1 COIL REVERSING VALV...

Страница 64: ... 67 MEMO ...

Страница 65: ... 68 MEMO ...

Страница 66: ... 69 MEMO ...

Страница 67: ... 70 MEMO ...

Страница 68: ... 71 RAS 07CH1 RAC 07CHV1 PM NO 0079EG RAS 09CH1 RAC 09CHV1 Printed in Malaysia ...

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