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MODEL RAC-60YH7A

1 PMRAC-60YHA2

S04

SV-COVER

2 PMRAC-60YH7

S01

COMPRESSOR

3 KPNT1

001

PUSH

NUT

4 RAC-2226HV

805

COMPRESSOR

RUBBER

5 PMRAC-50NH4

S02

CONDENSER

6 PMRAC-70YHA1

999

REVERSING

VALVE

PMRAC-25NH4

S03

ELECTRICAL EXPANSION COIL

8 PMRAC-50NH4

S03

VALVE

(2S)

9 PMRAM-72QH5

918

VALVE

(4S)

PMRAC-40CNH2

S14

THERMISTOR

(OH)

PMRAC-25NH4

S09

OVERHEAT

THERMISTOR

SUPPORT

PMRAC-X13CX

906

OVERLOAD RELAY COVER

PMRAC-50YH7A

S02

P.W.B

(IPM)

PMRAC-50YHA2

S07

THERMISTOR

(DEFROST)

PMRAC-50YHA2

S09

COIL (REVERSING VALVE)

PMRAC-50YHA2

S04

REACTOR

PMRAC-60YH7A

S01

P.W.B

(MAIN)

PMRAC-50YHA2

S08

THERMISTOR

(OUTSIDE

TEMPERATURE)

PMRAC-70YHA

907

PROPELLER

FAN

PMRAC-40CNH2

S18

SUPPORT (FAN MOTOR)

PMRAC-50YHA2

S03

FAN

MOTOR

PMRAC-50YHA2

S05

CABINET

PMRAC-40CNH2

921

NET

PMRAC-40CNH2

922

TOP

COVER

PMRAC-60YHA2

S06

SIDE

PLATE-R

PMRAC-60YHA2

S02

STRAINER

(PIPE)

PMRAC-60YHA2

S03

STRAINER

(COND)

PMRAC-40CNH2

926

SIDE

PLATE-L

PMRAM-52QH5

S03

GRILL

PMRAC-25NH4

S16

EXPANSION

VALVE

PMRAC-25NH4

S13

TERMINAL BOARD (4P)

PMRAC-50YH7A

S03

P.W.B

(CAPA-BOARD)

PART N0.

RAC-60YH7A

NO.

Q’TY / UNIT

PARTS NAME

Содержание RAC-60YH7A

Страница 1: ...ION DIAGRAM 41 BLOCK DIAGRAM 44 BASIC MODE 45 REFRIGERATING CYCLE DIAGRAM 59 AUTO SWING FUNCTION 60 DESCRIPTION OF MAIN CIRCUIT OPERATION 61 SERVICE CALL Q A 74 TROUBLE SHOOTING 78 PARTS LIST AND DIAGRAM 98 RAS 60YH7 RAC 60YH7A After installation RAC 60YH7A W A kW B T U h W A kW B T U h W H D kg WALL TYPE TYPE MODEL POWER SOURCE TOTAL INPUT TOTAL AMPERES CAPACITY TOTAL INPUT TOTAL AMPERES CAPACITY...

Страница 2: ...r use 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 ins...

Страница 3: ...ing of 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 1M 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: ...the 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: ... or missoperation and re start in a moment 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 coolin...

Страница 6: ... SWITCH TEMPORARY SWITCH TEST SERVICE SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REMOTE CONTROL SWITCH LIQUID CRYSTAL RAS 60YH7 30 W NO NO NO NO NO 3 15A G4A NO YES NO NO 416NR NO YES IC YES NO NO JU1015D9 NO YES INTERNAL YES 3 15A G4A NO NO YES NO 450NR YES YES IC NO 1650g UNIT REFRIGERANT CHARGING VOLUME Refrigerant R410A CHARGELESS PIPES MAX 30m PIPES MIN 3m RAC 60YH7A 47 W ...

Страница 7: ... max 20m The connecting pipe no matter big or small should all be insulated with insulation pipe and then wrapped with vinyl tape The insulator will deteriorate if it is not wrapped with tape The connection of insulated drain hose Please use insulated drain hose for the indoor piping commercial product Be sure to completely seal any gap ...

Страница 8: ...number for ordering when you want to renew it Air cleansing filter should be cleaned every month or sooner if noticeable loading occurs When used overtime it may loose its deodorizing function For maximum performance it is recommended to replace it every 1 year depending on application requirements NOTE PRE FILTER To prevent dust from coming into the indoor unit Refer page 25 FRONT PANEL INDOOR UN...

Страница 9: ...king OPERATION LAMP This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating 1 During preheating For about 2 3 minutes after starting up 2 During defrosting 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 FILTER LAMP When the device is operated for a total of about 200 ho...

Страница 10: ...2 19 Outdoor Dry bulb C 21 43 2 21 Wet bulb C 15 26 1 15 Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below 10 C 14 F The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below Cooling Heating ...

Страница 11: ...ur if you remove and reinstall the unit yourself improperly If the supply cord is damaged it must be replaced by the special cord obtainable at authorized service parts centers W A R N I N G During thunder storm disconnect and turn off the circuit breaker WARNING PRECAUTIONS DURING INSTALLATION Do not reconstruct the unit Water leakage fault short circuit or fire may occur if you reconstruct the u...

Страница 12: ...ter will condense on the air deflector and drips down occasionally This will wet your furniture Therefore do not operate under such condition for a long time If the amount of heat in the room is above the cooling or heating capability of the unit for example more people entering the room using heating equipments and etc the preset room temperature cannot be achieved This appliance is not intended ...

Страница 13: ... and the value will change more quickly TIME button Use this button to set and check the time and date RESET buttons FUNCTION selector Use this button to select the operating mode Every time you press it the mode will change from AUTO to HEAT to DEHUMIDIFY to COOL and to FAN cyclically FAN SPEED selector This determines the fan speed Every time you press this button the intensity of circulation wi...

Страница 14: ...As the settings are stored in memory in the remote controller you only have to press the START STOP button next time Press the FUNCTION selector so that the display indicates the AUTO mode of operation When AUTO has been selected the device will automatically determine the mode of operation HEAT COOL or DEHUMIDIFY depending on the current room temperature However the mode of operation will not cha...

Страница 15: ...wer 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 Heating operation starts with a beep Press the button again to stop operation As the settings are stored in memory in the remote controller you only have to press the START S...

Страница 16: ...top the indoor unit will stop emitting air as soon as the room temperature becomes lower than the setting temperature The preset room temperature may not be reached depending on the number of people present in the room or other room conditions Set the desired room temperature with the TEMPERATURE button the display indicates the setting The range of 20 26 C is recommended as the room temperature f...

Страница 17: ...OW Fan speed slower SILENT Fan speed ultra slower Set the desired room temperature with the TEMPERATURE button the display indicates the setting The temperature setting and the actual room temperature may vary some how depending on conditions Press the START STOP button Cooling operation starts with a beep Press the button again to stop operation The cooling function does not start if the temperat...

Страница 18: ...starts to run at HI speed After room temperature reaches the preset temperature the cooling operation which changes the fan speed and room temperature to obtain optimum conditions for natural healthful cooling will be performed For the cooling operation FAN OPERATION 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 Pre...

Страница 19: ...he setting of the current time is now complete Example The current time is 1 30 p m 3 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The OFF mark starts lighting instead of flashing and the sign RESERVED lights A beep occurs and the TIMER lamp lights on the indoor unit 2 Set the turn off time with the TIMER control button The setting of turn of...

Страница 20: ...ts and the ON mark blinks NOTE You can set only one of the OFF timer ON timer and ON OFF timer 4 Set the turn on time with the TIMER control button 5 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The ON mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit Example The d...

Страница 21: ... 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 2 38 a m 2 Press the SLEEP button and set the sleep timer The device will be turned off by the sleep timer and turned on by on timer How to Cancel Reservation Poin...

Страница 22: ...s of batteries together 2 Take out the batteries when you do not use the remote controller for 2 or 3 months CAUTION CIRCUIT BREAKER When you do not use the room air conditioner set the circuit breaker to OFF 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...

Страница 23: ...with your wake up time in the morning This will enable you to enjoy a comfortable room temperature Please use the timer effectively Dusty pre 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 f...

Страница 24: ...e achieved 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 8W in the operation control circuit even if it is in OFF mode Warning To protect the whole unit during lightning please stop operating the unit and remove the plug from the socket Interference From Electrical ...

Страница 25: ...g the pre filters push the front panel at three arrow portion as shown in figure and close it Cleaning and maintenance must be carried out only by qualified service personnel Before cleaning stop operation and switch off the power supply CAUTION CAUTION Do not bend the air purifying filter as it may cause damage to the structure NOTE In case of removing the air purifying filters please follow the ...

Страница 26: ...filter and air purifying filter using vacuum cleaner If there is too much dust pre filter only rinse under running tap water and gently brush it with soft bristle brush Allow pre filters to dry in shade 3 Re insert the air purifying filter to the filter frame Set the filter with FRONT mark facing front and slot them into the original state After attaching the pre filters push the front panel at th...

Страница 27: ...to hold the front panel with both hands to detach and attach it CAUTION Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit Never use hot water above 40 C benzine gasoline acid thinner or a brush because they will damage the plastic surface and the coating Removing the Front Panel When the front panel is fully opened with both hands push the right...

Страница 28: ... or unstable Is the plug of power line firmly plugged into the socket Please ensure no loose contact between them Cleaning and maintenance must be carried out only by qualified service personnel Before cleaning stop operation and switch off the power supply CAUTION 3 MAINTENANCE BEFORE LONG OFF PERIOD Run the unit by setting the operation mode to COOL the temperature to 32 C and the fan speed to H...

Страница 29: ... possibly be emitted from the room air conditioner because the various odor emitted by smoke foodstuffs cosmetics and so on sticks to it So the pre filter and the evaporator regularly must be cleaned 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...

Страница 30: ... 29 CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAS 60YH7 ...

Страница 31: ... 30 CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAC 60YH7A ...

Страница 32: ... 0 68 0 OFF 15 3 59 5 20 7 69 3 ON 23 6 74 5 28 0 82 4 OFF 23 3 73 9 28 7 83 7 ON 31 6 88 9 36 0 96 8 OFF 31 3 88 3 36 7 98 1 MODEL RAS 60YH7 POWER SOURCE DC 100 322V OUTPUT 30W Control circuit built in BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN RED RED BLK BLACK PNK PINK VIO VIOLET COIL MODEL RAC 60YH7A POWER SOURCE DC 120 380V OUTPUT W MAX 47 OUTDOOR FAN MOTOR Fan Moto...

Страница 33: ...r crushed or with too little refrigerant check the color of the refrigerant oil inside the compressor If the color has been changed conspicuously replace the compressor MODEL COMPRESSOR MODEL PHASE SINGLE RATED VOLTAGE AC 220 240 V RATED FREQUENCY 50 Hz POLE NUMBER 4 CONNECTION 20 C 68 F 75 C 167 F RESISTANCE VALUE RAC 60YH7A JU1015D9 2M 1 2984 2M 1 7671 ...

Страница 34: ... 33 WIRING DIAGRAM MODEL RAS 60YH7 RAC 60YH7A BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN RED RED BLK BLACK PNK PINK VIO VIOLET IVO IVORY ...

Страница 35: ...CIRCUIT DIAGRAM Remote Control 35 ...

Страница 36: ... 37 CIRCUIT DIAGRAM MODEL RAS 60YH7 ...

Страница 37: ... 39 CIRCUIT DIAGRAM MODEL RAC 60YH7A ...

Страница 38: ... 41 PRINTED WIRING BOARD LOCATION DIAGRAM MODEL RAS 60YH7 MAIN P W B Marking on P W B COMPONENT SIDE SOLDERING SIDE RECEIVING P W B Marking on P W B ...

Страница 39: ... 42 MODEL RAC 60YH7A P W B MAIN ...

Страница 40: ... 43 ...

Страница 41: ... 44 BLOCK DIAGRAM MODEL RAS 60YH7 RAC 60YH7A ...

Страница 42: ... 45 ...

Страница 43: ... 47 ...

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Страница 45: ... 51 ...

Страница 46: ... 53 ...

Страница 47: ...eating mode starts it will enter into Hotkeep mode if indoor heat exchanger temperature is lower than YNEOF 0 33 C 8 When fan is set to Med or Lo compressor rpm will be limited to WBEMAX 9 In Ultra Lo fan mode if indoor temperature is lower than 18 C indoor fan will stop If indoor temperature is higher than 18 C 0 33 C fan will continue in Ultra Lo mode During Hotkeep or Defrost mode fan will cont...

Страница 48: ...ration mode is set and sleep control starts 6 The indoor fan speed does not change even when the fan speed mode is changed Lo 7 When defrosting is to be set during sleep operation defrosting is engaged and sleep operation is restored after defrosting 8 When operation is stopped during sleep operation the set temperature when stopped as well as the time continue to be counted 9 If the set time is c...

Страница 49: ... 59 REFRIGERATING CYCLE DIAGRAM MODEL RAS 60YH7 RAC 60YH7A ...

Страница 50: ...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 51: ... 61 DESCRIPTION OF MAIN CIRCUIT OPERATION 1 Reset Circuit MODEL RAS 60YH7 ...

Страница 52: ... 62 ...

Страница 53: ...put from pins of the micro computer Fig 5 2 Micro computer Output Signals As the micro computer s outputs change as shown in Fig 5 2 the core of the auto sweep motor is excited to turn the rotor Table 5 1 shows the rotation angle of horizontal air deflectors Rotation angle per step 0 0879 Time per step ms 10 Horizontal air deflectors Table 5 1 Auto sweep Motor Rotation 15 18 ...

Страница 54: ...e thermistor circuit The voltage at A depends on the room temperature as shown in Fig 6 2 The circuit detects the indoor heat exchanger temperature and controls the following 1 Low temperature defrosting during cooling and dehumidifying operation The voltage at A depends on the heat exchanger temperature as shown in Fig 7 2 ...

Страница 55: ...hru Joint Connector with VDC Motor Drive Voltage VCC Motor Controller Power Supply VSC RPM Instruction motor WCC return the FG sinal under frequency RPM The circuit produces fan motor drive from 340V DC supplied from the indoor unit and controls the fan motor speed CAUTION 1 Indoor fan motor circuit will be connected with primary power source line and please take care of the electrical shock CAUTI...

Страница 56: ... 66 DESCRIPTION OF MAIN CIRCUIT OPERATION 1 Power Circuit ...

Страница 57: ... 67 ...

Страница 58: ... 68 ...

Страница 59: ... 69 ...

Страница 60: ... 70 ...

Страница 61: ... 71 ...

Страница 62: ... 72 ...

Страница 63: ... 73 ...

Страница 64: ... 74 SERVICE CALL Q A ...

Страница 65: ... 75 ...

Страница 66: ... 76 ...

Страница 67: ... 77 ...

Страница 68: ... 78 TROUBLE SHOOTING ...

Страница 69: ... 79 ...

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Страница 73: ...2 data reading error When data read from IC401 or IC402 is incorrect 1 Reversing valve defective 2 Heat exchanger thermistor disconnected only in the heating mode Note The malfunction mode is entered the 3rd time this abnormal indication appears read every 3 minutes Electrical parts in the outdoor unit 1 Indoor interface circuit 2 Outdoor interface circuit Please check at the outdoor electrical le...

Страница 74: ... 84 1 Power does not come on no operation CHECKING INDOOR UNIT ELECTRICAL PARTS MODEL RAC 60YH7A ...

Страница 75: ... 85 ...

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Страница 79: ... 89 ...

Страница 80: ... 90 ...

Страница 81: ... 91 ...

Страница 82: ...in 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 a...

Страница 83: ... 93 ...

Страница 84: ... 94 ...

Страница 85: ... 95 6 126 6 7 1 02 ...

Страница 86: ... 96 CHECKING THE REMOTE CONTROLLER ...

Страница 87: ... 97 ...

Страница 88: ... 98 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAS 60YH7 ...

Страница 89: ...ASSY 11 PMRAS 18CP6 R02 1 AUTO SWEEP MOTOR 13 PMRAS 60YH5 001 1 FRONT COVER ASSEMBLY 14 PMRAS 60YH5 002 1 FRONT PANEL 15 PMRAS 10C7M 008 3 CAP 17 PMRAS 18NH6A R02 1 REMOTE CONTROL ASSEMBLY 18 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 19 PMRAS 40CNH2 R26 1 THERMISTOR SUPPORT 20 PMRAS 70YHA R12 1 THERMISTOR 21 PMRAS 70YHA R08 1 P W B RECEIVER 22 PMRAS 60YH7 R01 1 P W B MAIN 23 PMRAS 60YH7 R02 2 FILTE...

Страница 90: ... 100 PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAC 60YH7A ...

Страница 91: ...HERMISTOR DEFROST 15 PMRAC 50YHA2 S09 1 COIL REVERSING VALVE 16 PMRAC 50YHA2 S04 1 REACTOR 17 PMRAC 60YH7A S01 1 P W B MAIN 18 PMRAC 50YHA2 S08 1 THERMISTOR OUTSIDE TEMPERATURE 19 PMRAC 70YHA 907 1 PROPELLER FAN 20 PMRAC 40CNH2 S18 1 SUPPORT FAN MOTOR 21 PMRAC 50YHA2 S03 1 FAN MOTOR 22 PMRAC 50YHA2 S05 1 CABINET 23 PMRAC 40CNH2 921 1 NET 24 PMRAC 40CNH2 922 1 TOP COVER 25 PMRAC 60YHA2 S06 1 SIDE P...

Страница 92: ...HITACHI PM NO 0508E Printed in Malaysia RAS 60YH7 RAC 60YH7A ...

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