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Hitachi RAI-25NH5, Service Manual

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Hitachi RAI-25NH5 Service Manual Download Page 60

– 70 –

MODEL   RAI-25NH5

1

PMRAI-25NH4R

    R

01

             1            

25W MOTOR

2

RAMD-350BW

011

1

FLOAT SWITCH

3

PMRAI-32CNH2

    R

02

             1           

THERMISTOR (HEAT EXCHANGER)

4

PMRAI-32CNH2

    R

03

             1           

THERMISTOR (ROOM TEMPERATURE)

5

PMRAI-32CNH2

004

1

TURBO FAN

6

PMRAI-32CNH2

    R

05

             1            

DRAIN PAN ASSEMBLY

7

PMRAS-51CHA1

011

1

REMOTE CONTROL ASSEMBLY

8

PMRAS-10C3M

003

1

REMOTE CONTROL SUPPORT

12

PMRAI-32CNH2

010

1

DRAIN CAP

13

PMRAI-25NH4

      R

04

             1           

DRAIN PUMP ASSEMBLY

14

PMRAI-25NH4

      R

03

             1           

CYCLE ASSEMBLY

15

PMRAI-25NH4

007

4

SUSP. CLAMP

17

PMRAS-10C6M

     R

02

             1           

TERMINAL BOARD (2P)

18

PMRAI-25NH5

      R

01

             1           

P.W.B. (MAIN)

PART N0.

RAI-25NH5

NO.

Q’TY / UNIT

PARTS NAME

Summary of Contents for RAI-25NH5

Page 1: ...RAI 25NH5 RAI 35NH5 CONTENTS SPECIFICATIONS 4 HOW TO USE 6 CONSTRUCTION AND DIMENSIONAL DIAGRAM 27 MAIN PARTS COMPONENT 28 WIRING DIAGRAM 29 CIRCUIT DIAGRAM 31 PRINTED WIRING BOARD LOCATION DIAGRAM 35 BLOCK DIAGRAM 37 BASIC MODE 39 REFRIGERATING CYCLE DIAGRAM 53 AUTO SWING FUNCTION 55 DESCRIPTION OF MAIN CIRCUIT OPERATION 56 SERVICE CALL Q A 61 TROUBLE SHOOTING 64 PARTS LIST AND DIAGRAM 69 RAI 25N...

Page 2: ...e 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 insulation resistance should be 1M or more...

Page 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...

Page 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 ...

Page 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 50...

Page 6: ...USE for MICROPROCESSOR POWER RELAY POWER SWITCH TEMPORARY SWITCH SERVICE SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REMOTE CONTROL SWITCH LIQUID CRYSTAL RAI 25NH5 RAI 35NH5 25W NO NO NO NO NO NO NO NO YES NO NO NO NO YES IC YES WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE UNIT PIPES REFRIGERANT CHARGING VOLUME Refrigerant 410A 4 ...

Page 7: ...H MAXIMUM LENGTH OF PIPING STANDARD COOLING ONE UNIT COOLING TWO UNITS HEATING ONE UNIT HEATING TWO UNITS MODEL PACKING mm GROSSWEIGHT kg FLARENUTSIZE SMALL LARGE W H D cu ft 2 50 1 00 3 00 8540 3412 10236 750 200 880 11 39 3 44 3 16 99 35 8 5m3 min 3 50 1 00 4 00 11950 3412 13660 1090 200 1300 10 96 5 00 4 59 99 39 10 8m3 min 4 00 1 50 4 50 13660 5126 15367 1245 200 1800 10 97 5 72 5 24 99 49 3 4...

Page 8: ...anger of electric shock exists Do not install near location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks around it Please ensure smooth flow of water when installing the drain hose CAUTION PRECAUTIONS DURING SHIFTING OR MAINTENANCE PRECAUTIONS DURING OPERATION Avoid an extended period of direct air flow for your health W A R N I N G Should abnormal situation ...

Page 9: ...te 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 for use by young children or infirm persons unless they have been adequately supervised by a responsible person to ens...

Page 10: ...le the lamp lights To re start an indoor unit which was operated later stop the indoor unit which was operated first or later and reset the type of operation then perform operation again One unit Heating Other unit Cooling Dehumidifying Circulating fan Adjusting the Number of Indoor Units Decrease the number of indoor units to be operated especially when it is very hot or cold or when you want to ...

Page 11: ...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 TIMER LAMP This lamp lights when the timer is working FILTER LAMP When the device is operated for a tota...

Page 12: ...trols the angle of the horizontal air deflector TIMER control Use this button to set the timer OFF TIMER button Select the turn OFF time ON TIMER button Select the turn ON time RESERVE button Time setting reservation CANCEL button Cancel time reservation Precautions for Use Do not put the remote controller in the following places Under direct sunlight In the vicinity of a heater Handle the remote ...

Page 13: ...eep Press the button again to stop operation You can raise or lower the temperature setting as necessary by maximum of 3 C Press the temperature button and the temperature setting will change by 1 C each time The preset temperature and the actual room temperature may vary somewhat depending on conditions The display does not indicate the preset temperature in the AUTO mode If you change the settin...

Page 14: ...t first and varies to MED or LOW automatically when the preset temperature has been reached HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Fan speed slow LOW Fan speed slower 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 depen...

Page 15: ...temperature setting The function will stop the indoor unit will stop emitting air as soon as the room temperature becomes lower than the setting temperature 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 for dehumidifying Press the START STOP button Dehumidifying operation starts with a beep...

Page 16: ...ED Fan speed slow LOW Fan speed 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 temperature setting...

Page 17: ... setting temperature is large fan 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 in...

Page 18: ...EL button The RESERVED sign goes out with a beep and the TIMER lamp turns off on the indoor unit 1 Set the current month and day with the TIMER control button 1 Press the OFF TIMER button The OFF mark blinks on the display 1 Press the ON TIMER button the ON mark blinks on the display 2 Set the turn off time with the TIMER control button Press the RESERVE button 3 Press the ON TIMER button so that ...

Page 19: ...th the TIMER control button The setting of turn off time is now complete Example The device will turn off at 11 00p m Example The device will turn on at 7 00 a m The setting of the turn on time is now complete 4Set 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...

Page 20: ...ller 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 Point the signal window of the remo...

Page 21: ... stops in its current position Several seconds about 6 seconds may be required before the deflector starts to move Use the horizontal air deflector within the adjusting range shown on the right When the AUTO SWING button is pressed while the operation is stopped the horizontal air deflector moves and stops at the position where the air outlet closes When the auto swing operation is performed if th...

Page 22: ...e old batteries 2 Install the new batteries The direction of the batteries should match the marks in the case 1 Do not use new and old batteries or different kinds of batteries together 2 Take out the batteries when you do not use the remote controller for 2 or 3 months CAUTION Push and pull to the direction of arrow ...

Page 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 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 f...

Page 24: ...e 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 OFF Interference From Electrical Products Caution To avoid noise interfe...

Page 25: ...te Press the mark PUSH at the left and right sides of the suction grille to fix it securely 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 Do not operate the air conditioner with the filter removed Dust may enter the air conditioner and cause ...

Page 26: ...pe it with a soft dry cloth When it is excessively dirty wipe with soft cloth soaked in lukewarm water or neutral detergent Then wipe thoroughly with a soft dry cloth 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 t...

Page 27: ...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 Pl...

Page 28: ...ly Companies are to be observed Minimum Maximum Minimum Maximum Indoor Dry bulb C 21 32 20 27 Wet bulb C 15 23 12 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 21 C 70 F The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below Cooling Heatin...

Page 29: ... An F cable 1 6mm or 2 0mm dia X 3 control side is used for the connection cable Unit mm Wireless remote controller 147 56 18 650 Panel 600 Opening on ceiling 580 Indoor unit 400 Suspension bolt 64 42 393 Electric box 580 Indoor unit 600 Opening on ceiling 610 Suspension bolt 650 Panel 285 110 Above 300 32 Ceiling Panel Optional part RAI ECPM Narrow pipe fl6 35 97 Drain Drain outlet 42 65 Wide pip...

Page 30: ...5 RAI 25NH5 RAI 35NH5 ON 15 0 59 0 13 0 55 4 20 0 68 0 OFF 14 7 58 5 12 7 54 9 20 3 68 5 ON 23 0 73 4 21 0 69 8 28 0 82 4 OFF 22 7 72 9 20 7 69 3 28 3 82 9 ON 31 0 87 8 29 0 84 2 36 0 96 8 OFF 30 7 87 3 28 7 83 7 36 3 97 9 M RED YEL BLU 5V 0 35V MODEL RAI 25NH5 RAI 35NH5 POWER SOURCE DC 0 35V OUTPUT 25W Control circuit built in BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN ...

Page 31: ... 29 MODEL RAI 25NH5 RAI 35NH5 WIRING DIAGRAM INDOOR UNIT ...

Page 32: ...EG2 SEG1 SEG0 SEG43 SEG42 SEG41 SEG40 P40 P41 P42 P43 P00 P01 P02 P03 P10 P11 P12 P13 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 BEEP P20 P30 P31 NCVL C1 VL C2 VL C3 XC IN XC OUT VDD X OUT X IN RESET CARR P23 P22 P21 VSS IC 1 M3455OM6A 504FP LCD 1 C8 50v 1u K 1 D3 RB425D 1 2 K2K3 K4 K5 P10 P11 P12 K6 K7 K8 K9 K10 K11K12 K18 K17 K15 K16 K13 K14 D0 D1 D2 D3 R1 100k SW1 R2 P 100k R3 100k R4 100k R5 Q1 2SC3443 or ...

Page 33: ...CIRCUIT DIAGRAM MODEL RAI 25NH5 RAI 35NH5 33 ...

Page 34: ... 35 PRINTED WIRING BOARD LOCATION DIAGRAM MODEL RAI 25NH5 RAI 35NH5 MAIN P W B Marking on P W B COMPONENT SIDE SOLDERING SIDE ...

Page 35: ...icrocomputer HIC AX 6M01 Trip signal synthesis circuit L N RAI 25NH5 RAI 35NH5 SPM2 Outdoor unit Terminal board Indoor microcomputer AX 7R11 Wireless receive circuit Filter Operation Timer Auto sweep motor for Air deflector Drain Pump Motor LCD wireless Heat exchanger thermistor Room temperature thermistor Reset circuit Initial setting circuit Temporary switch Indoor microcomputer AX 7R11 Indoor 2...

Page 36: ... 39 47 RAI 25NH5 RAI 35NH5 ...

Page 37: ... 4100 min 1 CKYMAX 2200 min 1 3500 min 1 CJKMAX 1800 min 1 2700 min 1 CBEMAX 1600 min 1 2000 min 1 WMIN 1500 min 1 1800 min 1 CMIN 1500 min 1 1800 min 1 STARTMC 60 Seconds 60 Seconds DWNRATEW 80 80 DWNRATEC 80 80 SHIFTW 4 00 C 4 00 C SHIFTC 1 00 C 2 99 C CLMXTP 30 00 C 30 00 C YNEOF 21 00 C 21 00 C TEION 2 00 C 2 00 C TEIOF 6 00 C 6 00 C SFTDSW 2 66 C 2 66 C DFTIM1 50 Minutes 50 Minutes DFTIM2 90 ...

Page 38: ...if indoor temperature is lower than CLMXTP No time constrain if indoor temperature is higher than CLMXTP 6 When fan is set to Hi compressor rpm will be limited to CKYMAX 7 When fan is set to Med compressor rpm will be limited to CJKMAX 8 When fan is set to Lo compressor rpm will be limited to CBEMAX 9 During Cool Dashed when room temperature reaches set temperature 1 C compressor rpm is actual rpm...

Page 39: ...hen switching is made 7 The indoor fan speed does not change even when the fan speed mode is changed 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 lime is changed during sleep operation all data including set temperature time etc is cleared and restarted 10 If sleep operation is canceled by the cancel key...

Page 40: ...he time 2 C 2 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 th...

Page 41: ... 10sec Preheat released WMIN WSTD WMAX NOTE 11 WMAX2 Notes 1 Condition for entering into Hot Dashed mode When fan set to Hi or Auto mode and i Indoor temperature is lower than 18 C and ii outdoor temperature is lower than 10 C and iii Temperature difference between indoor temperature and set temperature has a corresponding compressor rpm larger than WMAX 2 Hot Dashed will release when i Room tempe...

Page 42: ...eration 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 changed during sleep operation all data including set temperature time etc is cleared and restarted 10 If sleep operation is canceled by the cancel key or sleep key all data...

Page 43: ... valve 3 8 Single ended union 3 8 Single ended union 3 8 Single ended union 1 4 Indoor heat exchanger Air Flow Air Flow Indoor heat exchanger Single ended union 1 4 Charge port 1 2 Charge port 1 2 Service valve 1 4 Electric expansion 1 valve Electric expansion 2 valve Strainer Strainer Strainer Silencer Compressor REFRIGERATING CYCLE DIAGRAM RAI 25NH5 RAI 35NH5 ...

Page 44: ...ve 1 4 Service valve 3 8 Service valve 3 8 Single ended union 3 8 Single ended union 3 8 Single ended union 1 4 Indoor heat exchanger Air Flow Air Flow Indoor heat exchanger Single ended union 1 4 Charge port 1 2 Charge port 1 2 Service valve 1 4 Electric expansion 1 valve Electric expansion 2 valve Strainer Strainer Strainer Silencer Scroll Compressor ...

Page 45: ...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 DURING SWINGI...

Page 46: ...he microcomputer starts operation When power OFF voltage drops and reaches 4 2V pin 1 of IC521 is set to Low This will RESET the microcomputer DESCRIPTION OF MAIN CIRCUIT OPERATION MODEL RAI 25NH5 RAI 35NH5 1 Reset Circuit Fig 1 1 Fig 1 2 2 1 5 3 7 NORMAL HI RESET LO RES Microcomputer C524 R521 C522 C521 R522 5V 0V IC521 Voltage 5 0V Reset enter at 4 2V Reset release at 4 4V voltage 5 0V Voltage a...

Page 47: ...Operation Microcomputer Buzzer output BZ 12V 0V R722 Q722 30 BZ When the buzzer sounds an approx 3 9kHz square signal is output from buzzer output pin of the microcomputer 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 Fig 2 1 30 0V 5V 12V R411 R412 R413 0V 13 RE...

Page 48: ... 4 1 Microcomputer 22 21 20 19 18 17 16 15 R711 R712 C712 0V Q712 Q711 IC711 C711 9 7 10 11 12 13 15 16 P W B MAIN 14 6 5 4 3 2 1 8 0V CN8 M M M 12V D712 CN7 Rotor Auto sweep motor for horizontal air deflector 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 AUTO SWEEP MOTOR AUTO SWEEP MOTOR AUTO SWEEP MOTOR The air deflectors are driven by the stepping motors which are instructed by the microcomputer...

Page 49: ...erature input R302 A 5 4 3 2 1 0 0 10 10 Heat exchanger temperature C Fig 6 2 20 30 40 Voltage at V A 6 Heat exchanger temperature thermistor circuit The voltage at depends on the room temperature as shown in Fig 5 2 The circuit detects the indoor heat exchanger temperature and controls the following 1 Preheating 2 Low temperature defrosting during cooling and dehumidifying operation 3 Detection o...

Page 50: ...e preheating activation value and the rating and maximum speed of the compressor etc to their initial values Data of self diagnosis mode is stored in IC401 data will not be erased even when power is turned off Fig 7 1 Microcomputer External ROM SCL SDA 0V 0V 0V 5V 5V 5V C401 IC401 E2 PROM R404 R403 27 26 1 2 3 4 8 7 6 5 ...

Page 51: ...3 4 minutes until it is defrosted If the air conditioner operates in cooling mode when it is cold the evaporator may get frosted Normal sound when refrigerant flows in pipe Compressor may not operate when room temperature is 10 C or less It also stops when the humidity is preset humidity or less It occurs during defrost ing Wait for 5 10 minutes until the condenser is defrosted At the beginning of...

Page 52: ...y before stopping operation At this point fan speed is automatic This is because Nice temperature reservation function is operating This function starts operation earlier so the preset temperature is reached at the preset time Operation may start maximum 60 minutes before the preset time It does not work It works only during cooling and heating This is because Nice temperature reservation function...

Page 53: ...ling capability so noise becomes slightly louder This does not indicate a fault Noise from the outdoor unit occasionally changes The compressor rotation speed changes according to the difference between the thermostat set temperature and room temperature This does not indicate a fault There is a difference between the set temperature and room temperature There may be a difference between the set t...

Page 54: ...circuit DC fan motor overcurrent detection Overcurrent in indoor DC fan motor has been detected IC401 data reading fault There was error in the data read from IC401 1 Four way valve faulty 2 Disconnection in heat exchange thermistor only during heating Service SW in outdoor electrical parts turned ON 1 Indoor interface circuit 2 Outdoor interface circuit Please check at the outdoor electrical led ...

Page 55: ...ng generated between terminals C and D on the terminal board Are control voltages 12V 5V being generated normally Check according to the proper method for checking the power circuit No No No No Yes Yes Do the air deflectors perform initial operation when the power supply is turned on and off Check the indication P W B connection cord and light receiving unit No No Is the microcomputer reset input ...

Page 56: ...f CN10 Is there 1 or less between L901 and L902 Replace indoor fan motor Check disconnection etc of lead wires Replace Q901 Replace L901 Replace Q903 Replace micro computer Perform final operation check Replace micro computer Replace Q903 Replace Q901 Replace micro computer Replace micro computer Replace the air deflector motor Replace IC111 Perform final operation check Perform final operation ch...

Page 57: ... 5 10 seconds Disconnect CN10 and set to the fan mode again The operation lamp lights once and goes out in 5 10 seconds Check to see if shorting etc has occurred in the P W B pattern Can the indoor fan be lightly turned by hand Set the power switch to off to check Replace the indoor fan motor Yes Yes Check to see if the indoor fan is touching the chassis etc If it does repair No Yes No ...

Page 58: ... 68 CHECKING THE REMOTE CONTROLLER ...

Page 59: ... 69 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAI 25NH5 RAI 35NH5 17 18 13 2 4 8 14 3 1 5 12 6 7 15 ...

Page 60: ...04 1 TURBO FAN 6 PMRAI 32CNH2 R05 1 DRAIN PAN ASSEMBLY 7 PMRAS 51CHA1 011 1 REMOTE CONTROL ASSEMBLY 8 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 12 PMRAI 32CNH2 010 1 DRAIN CAP 13 PMRAI 25NH4 R04 1 DRAIN PUMP ASSEMBLY 14 PMRAI 25NH4 R03 1 CYCLE ASSEMBLY 15 PMRAI 25NH4 007 4 SUSP CLAMP 17 PMRAS 10C6M R02 1 TERMINAL BOARD 2P 18 PMRAI 25NH5 R01 1 P W B MAIN PART N0 RAI 25NH5 NO Q TY UNIT PARTS NAME ...

Page 61: ...04 1 TURBO FAN 6 PMRAI 32CNH2 R05 1 DRAIN PAN ASSEMBLY 7 PMRAS 51CHA1 011 1 REMOTE CONTROL ASSEMBLY 8 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 12 PMRAI 32CNH2 010 1 DRAIN CAP 13 PMRAI 25NH4 R04 1 DRAIN PUMP ASSEMBLY 14 PMRAI 25NH4 R03 1 CYCLE ASSEMBLY 15 PMRAI 25NH4 007 4 SUSP CLAMP 17 PMRAS 10C6M R02 1 TERMINAL BOARD 2P 18 PMRAI 35NH5 R01 1 P W B MAIN PART N0 RAI 35NH5 NO Q TY UNIT PARTS NAME ...

Page 62: ...HITACHI PM NO 0271E Printed in Malaysia RAI 25NH5 RAI 35NH5 ...

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