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Hitachi RAC-18WPB, Руководство по обслуживанию

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When power is supplied, the microcomputer reads the data in IC531 (E PROM) and sets the preheating

2

activation value and the rating and maximum speed of the compressor, etc. to their initial values.
Data of self-diagnosis mode is stored in IC531; data will not be erased even when power is turned off.

Fig. 6-1

The temporary switch is used to operate the air conditioner temporarily when the wireless remote control
is lost or faulty.

The air conditioner operates in the previous mode at the previously set temperature. However, when the
power switch is set to OFF, it starts automatic operation.

Fig. 7-1

TEMPORARY SW

MICROCOMPUTER

R405

SW211

Temporary

switch

0V

0V

C405

R663

5V

6. Initial Setting Circuit (IC531) 

7. Temporary Switch Circuit

R403

5V

R406

C404

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 

V

oltage of point

(V)

(

㷄

)

Room temperature

Room 
temperature input

Fig.  8-1

Fig.  8-2

䃢

A

0V

0V

5V

2

0

1

0

10 20 30 40

3

4

5

-10

R402

C403

R407

91

9.  Heat Exchanger Thermistor Circuit

Heat exchanger temperature is noticed inside the room
(1) Preheating
(2) Low-temperature defrosts at cooling

 and 

dehumidification operation time.

(3) Not working of reversing valve or detection of opening of heat exchange thermistor is controlled.

According to heat exchange temperature, the voltage of point     becomes as it is shown in Fig. 9-2.

Heat exchanger 
thermistor

Microcomputer

Heat exchanger 
input

Fig.  9-1

Fig.  9-2

V

oltage of point     (V)

㷄

Heat temperature  (    )

䃢

A

100

77

Содержание RAC-18WPB

Страница 1: ... 750 65 900 792 91 H 280 530 280 530 295 548 295 600 D 218 278 35 218 278 35 230 288 27 5 230 299 47 MODEL POWER SOURCE TOTAL INPUT W TOTAL AMPERES A CAPACITY COOLING HEATING TOTAL INPUT W TOTAL AMPERES A CAPACITY 1 090 250 1 460 DIMENSIONS mm 1 560 500 2 100 3 12 2 97 2 00 0 90 2 50 8 530 3 070 10 580 580 250 970 2 50 0 90 27 5 7 5 27 5 7 5 34 10 10 3 20 3 49 3 34 11 600 3 070 15 010 880 250 1 25...

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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: ...d 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 cooling operation when the...

Страница 6: ...MOTE CONTROL SWITCH LIQUID CRYSTAL NO NO NO YES INTERNAL YES G4A 1A NO NO YES YES YES IC NO WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE UNIT PIPES MAX 20m REFRIGERANT CHARGING VOLUME Refrigerant 410A RAC 18WPB RAC 35 PB NO NO NO NO NO NO YES NO NO YES IC YES 1050g 1250g ASD084SFNA7JK1 RAK 18PPB RAC 25WPB RAK 25PPB RAK 35PPB RAK 50PPB W MIN 3m 47W DC120 380V 30W DC325 V 950g RAC PB 50W 5RS13...

Страница 7: ... and outdoor unit should be kept below 10m 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 Inner diameter 16mm Please use insulated drain hose for the indoor piping commercial product Be sure to completely seal any gap with pu...

Страница 8: ...ht between the indoor and outdoor unit should be kept below 10m s 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 Inner diameter 16mm Please use insulated drain hose for the indoor piping commercial product above 100mm above 3...

Страница 9: ...t between the indoor and outdoor unit should be kept below 10m s 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 Inner diameter 16mm Please use insulated drain hose for the indoor piping commercial product above 100mm above 00...

Страница 10: ...d batteries together ƽ When the system is not used for a long time take the batteries out ƽ The batteries will last for approximately 1 year However if the remote controller display begins to fade and degradation of reception performance occurs within a year replace both batteries with new size AAA LR03 alkaline ƽ The attached batteries are provided for the initial use of the system The usable per...

Страница 11: ... be shorter This unit can be fixed on a wall using the fixture provided Before fixing it make sure the indoor unit can be controlled from the remote controller ƽ Handle the remote controller with care Dropping it or getting it wet may compromise its signal transmission capability ƽ After new batteries are inserted into the remote controller the unit will initially require approximately 10 seconds ...

Страница 12: ... 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 power is resumed with previous operation mode and airflow direction As the operation is not stopped by remote controller ƽ If you intend not to continue th...

Страница 13: ...e device please use this device when outdoor temperature is above 15 C AUTO HIGH MED LOW SILENT Ƶ As the settings are stored in the memory of the remote controller you only have to press the START STOP button next time However if the indoor unit is connected to multi type outdoor unit the maximum time for defrosting is 15 minutes 8 DEHUMIDIFYING OPERATION Ƶ Dehumidifying Function ƽ When the room t...

Страница 14: ...mp lights The cooling function will start as soon as user set the temperature below the current room temperature Ƶ As the settings are stored in the memory of the remote controller you only have to press the START STOP button next time Ƶ During AUTO fan the fan speed automatically changes as below ƽ When the difference between room temperature and setting tem perature is large fan starts to run at...

Страница 15: ...ION ƽ By pressing POWERFUL button during AUTO HEATING DEHUMIDIFYING COOLING or FAN operation the air conditioner performs an the maximum power During POWERFUL operation cooler or warmer air will be blown out from indoor unit for COOLING of HEATING operation respectively Ƶ To start POWERFUL operation Ƶ To cancel POWERFUL operation 1 NOTE ƽ When SLEEP mode ECO mode SILENT mode or LEAVE HOME mode is ...

Страница 16: ...ATION ƽ By pressing the ECO button during AUTO HEATING DEHUMIDIFYING or COOLING operation the air conditioner performs the ECO operation 1 Ƶ To start ECO operation Ƶ To cancel ECO operation Press ECO button during operation is displayed on the LCD Energy saving operation will start by changing the set temperature higher or lower automatically and reducing operation power consumption This function ...

Страница 17: ...must stop its operation Then press LEAVE HOME button to operate Leave Home operation ƽ For multi connections when all rooms are running HEATING operation it is possible to operate Leave Home operation by pressing the LEAVE HOME button ƽ For multi connections if two or more rooms are set to operate Leave Home operation the capability to reach the set temperature at 10 C may not possible In addition...

Страница 18: ...dow 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 is prioriti zed When ONCE TIMER operation is complete WEEKLY TIMER operation will b...

Страница 19: ...TIMER OPERATION Ƶ Press WEEKLY button lights up and blink on the display Mode A is selected Press WEEKLY button again and blink on the display Mode B is selected ƽ If no reservation has been made ON OFF appear ƽ If reservation has been made ON OFF will not appear Press WEEKLY button for about 3 seconds The selection mode can be changed day Mon program no 1 ON OFF setting time and setting temperatu...

Страница 20: ...ll be given to the latest reservation contents after reservations have been made all current reservations will be lost WEEKLY TIMER OPERATION ƽ ƽ ƽ be at random When pressing SEND button the set ON TIMER or OFF TIMER for each program ƽ CAUTION If the remote controller is left idle and SEND button is not pressed within 3 minutes 22 Ƶ How to select Mode A or Mode B of WEEKLY TIMER setting 1 Press WE...

Страница 21: ...p lights up If TIMER lamp does not light up Press SEND button again ƽ Reservation data will not change if SEND button is not pressed Step 3 Copy and cancel the reservation schedule NOTE ƽ If there is no reservation data copying data from one day to another day cannot be done 1 2 3 4 5 6 8 WEEKLY TIMER OPERATION 24 Step 3 Copy and cancel the reservation schedule Ƶ How to delete WEEKLY TIMER data De...

Страница 22: ...r unit Ƶ To check monthly power consumption Press INFO button Temperature will be displayed for 10 seconds meters in front of indoor unit and press INFO button Wait for 2 seconds for signal transmission Once received the current calendar and clock check whether they are correct or not by pressing CLOCK button ƽ If there is no power supply to indoor unit or calendar and clock have not been set INFO...

Страница 23: ...s indicates that COOLING and DEHUMIDIFYING mode operation is locked MODE button or will be displayed Ƶ Method to unlock COOLING and DEHUMIDIFYING modes including FAN operations Press ECO and SILENT buttons simultaneously for about 5 seconds when the remote controller is OFF All operation mode symbols will appear on the display for about 10 seconds After that operation mode symbol before cancellati...

Страница 24: ...sed for a long time take the batteries out The batteries will last for approximately 1 year However if the remote controller display begins to fade and degradation of reception performance occurs within a year replace both batteries with new size AAA LR03 alkaline The attached batteries are provided for the initial use of the system The usable period of the batteries may be short depending on the ...

Страница 25: ...trol may be shorter This unit can be xed on a wall using the xture provided Before xing it make sure the indoor unit can be controlled from the remote controller Handle the remote controller with care Dropping it or getting it wet may compromise its signal transmission capability After new batteries are inserted into the remote controller the unit will initially require approximately 10 seconds to...

Страница 26: ...he 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 Auto Restart Control If there is a power failure operation will be automatically restarted when the power is resumed with previous operation mode and air ow direction As the operation is not stopped by re...

Страница 27: ...peration the operation lamp blinks in a cycle of 3 seconds on and 0 5 second off The maximum time for defrosting is 20 minutes However if the indoor unit is connected to multi type outdoor unit the maximum time for defrosting is 15 minutes If the piping length used is longer than usual frost is likely to form 1 2 3 Defrosting 8 DEHUMIDIFYING OPERATION Dehumidifying Function When the room temperatu...

Страница 28: ...he temperature setting is higher than the current room temperature even though the OPERATION lamp lights The cooling function will start as soon as user set the temperature below the current room temperature 10 FAN OPERATION AUTO SWING OPERATION User can use the device simply as an air circulator VERTICAL SWING HORIZONTAL SWING START STOP 1 2 Press the MODE selector so that the display indicates F...

Страница 29: ...just before defrost operation when the air conditioner is running in HEATING operation After auto restart POWERFUL operation is cancelled and previous operation shall start For multi model connections POWERFUL operation may not function depending on operation conditions 12 SILENT OPERATION By pressing SILENT button during AUTO HEATING DEHUMIDIFYING COOLING or FAN operation the fan speed will chang...

Страница 30: ...with a sensor and read the following instruction on ECO Operation accordingly 14 ECO OPERATION By pressing the ECO button during AUTO HEATING DEHUMIDIFYING or COOLING operation the air conditioner performs the ECO operation 1 To start ECO operation To cancel ECO operation Press ECO button during operation is displayed on the LCD Press START STOP button Or Press ECO button again disappears from the...

Страница 31: ...down after autorestart all setting for number of days operation will be reset and unit shall be in continuous operation For multi connections when each room is running in different operation modes such as FAN only COOLING DEHUMIDIFYING or AUTO mode Leave Home operation cannot operate even though it is possible to set Leave Home operation In order to start Leave Home operation all rooms must stop i...

Страница 32: ...rvation 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 User can set only one of the OFF timer ON timer or ON OFF timer If WEEKLY TIMER already set by setting the ONCE TIMER ONCE TIMER operation is prioritized When ONCE TIMER operation is complete WEEKLY...

Страница 33: ... is possible to select Mode A or Mode B For each mode up to 6 programs can be set per day In total a maximum of 42 programs can be set for a week for each mode If calendar and clock are not set the reservation setting for WEEKLY TIMER cannot be set If calendar and clock are not set correctly WEEKLY TIMER will not operate correctly Reservation for calendar and clock shall be set rst before operatin...

Страница 34: ...d program number 6 shall have the latest time If the setting time is the same Priority will be given to the latest reservation contents CAUTION If the remote controller is left idle and SEND button is not pressed within 3 minutes after reservations have been made all current reservations will be lost WEEKLY TIMER OPERATION ENGLISH 22 How to select Mode A or Mode B of WEEKLY TIMER setting 1 Press W...

Страница 35: ...hts up If TIMER lamp does not light up Press SEND button again Reservation data will not change if SEND button is not pressed Step 3 Copy and cancel the reservation schedule NOTE If there is no reservation data copying data from one day to another day cannot be done 1 2 3 4 5 6 8 WEEKLY TIMER OPERATION ENGLISH 24 Step 3 Copy and cancel the reservation schedule How to delete WEEKLY TIMER data Delet...

Страница 36: ...ntroller Current calendar and clock can be retrieved from indoor unit To check monthly power consumption Press INFO button Temperature will be displayed for 10 seconds Direct the remote controller towards the receiver of indoor unit within 2 meters in front of indoor unit and press INFO button Wait for 2 seconds for signal transmission Once received the current calendar and clock check whether the...

Страница 37: ...emain This indicates that COOLING and DEHUMIDIFYING mode operation is locked When pressing MODE button or will be displayed Method to unlock COOLING and DEHUMIDIFYING modes including FAN operations Press ECO and SILENT buttons simultaneously for about 5 seconds when the remote controller is OFF All operation mode symbols will appear on the display for about 10 seconds After that operation mode sym...

Страница 38: ...ROHIBITION Do not put objects like thin rods into the panel of blower and suction side because the high speed fan inside may cause danger 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 ENGLISH 51 1 35 87 216 85 1 23 5...

Страница 39: ...B 780 280 218 750 548 288 600 299 RAK 18PPB RAK 25PPB 900 295 230 RAK 35PPB RAK 50PPB 660 530 278 RAC 18WPB RAC 25WPB RAC 35WPB RAC 50 PB 792 W 5 ENGLISH NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT INDICATIONS TIMER LAMP Orange This lamp lights when the timer is working OPERATION LAMP Yellow This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating 1 Durin...

Страница 40: ...er thoroughly with a soft dry cloth s Wipe the water thoroughly If water remains at indicators or signal receiver of indoor unit it causes trouble CAUTION Removing the Front Panel RAK 35 50PPB RAK 18 25PPB Attaching the Front Panel s Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit s Never use hot water above 40 C benzine gasoline acid thinner ...

Страница 41: ...TER SALES SERVICE AND WARRANTY WHEN ASKING FOR SERVICE CHECK THE FOLLOWING POINTS CONDITION CHECK THE FOLLOWING POINTS s Do the batteries need replacement s Is the polarity of the inserted batteries correct s Is the fuse all right s Is the voltage extremely high or low s Is the circuit breaker ON s Is the power plug inserted s Do you have any power cut s Is the air filter blocked with dust s Is th...

Страница 42: ...ccording to room temperature changes Mist is generated as the air within the room is suddenly cooled by conditioned air Water generated during defrosting operation evaporates and steam is emitted Caused as the smells and particles of smoke food cosmetics etc present in room air become attached the unit and blown off into the room again Defrosting is underway as the heating operation is stopped the...

Страница 43: ...CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAK 18PPB RAK 25PPB INDOOR UNIT 218 More than 50mm More than More than 50mm 50mm More than 2300mm Service space 43 19 3 60 220 4 ...

Страница 44: ...DEL RAK 35PPB RAK 50PPB INDOOR UNIT More than 50mm More than 50mm More than 50mm More than 2300mm Service space 900 265 265 369 5 231 5 231 5 295 230 362 RAK 35PPB RAK 50PPB 12 7 550 668 42 5 193 39 37 100 100 115 180 160 92 44 19 3 60 220 4 ...

Страница 45: ...ntilation flue 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 h i MODEL RAC 18WPB RAC 25WPB More than 200 Air outlet 530 720 660 500 81 278 35 60 660 More than More than Drain hole 300 34 50 20 317 45 ...

Страница 46: ...Drain hole More than 50 More than 100 More than 200 More than 300 Service space More than 200 NOTE 1 For outdoor unit installation allow at least 2 sides of space around the unit ensure ventilation flue 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 ...

Страница 47: ...ow at least 2 sides of space around the unit ensure ventilation flue 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 MODEL RAC 50WPB 47 More than 200 More than More than 300 ...

Страница 48: ... CONNECTION MODEL E C R U O S R E W O P T U P T U O DC 325V W 0 3 Control circuit built in M WHT RED YEL 0 6 5V 0V V 15V BLU BLK 325 V 0 8 3 0 2 1 C D W 7 4 WHT V BLK W M M M RED U RAC 18 25 35WPB REACTOR RAC 50WPB 5 3 mH 67m 15 mH 230 m MAX 20 C 48 RAK 18PPB RAK 25PPB RAK 35PPB RAK 50PPB L E D O M THERMOSTAT MODEL IC OPERATION MODE T A E H L O O C ON 15 3 59 54 16 7 62 06 OFF 15 0 59 00 16 7 62 0...

Страница 49: ...apillary 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 U V W M M WHITE YELLOW RED RAC ASD084SFNA7JK1 18 25 35WPB RAC 50WPB U V W 75 2M 0 74 2M 0 88 2M 2 4 2M 2 0 5RS132ZBA21 49 100 240 V M 220 350 V YELLOW WHITE U V RAC 18 25 35WPB RAC 50WPB RED W ...

Страница 50: ...WIRING DIAGRAM RA RAC 18 25 35WPB K 18 25 35 50PPB RAC 5 WPB 0 50 ...

Страница 51: ...WIRING DIAGRAM OF THE PRINTED WIRING BOARD 2 E 5 R A R 1 E 5 R A R r e l l o r t n o c e t o m e R 51 Reset carbon SW SWB SW10 Carbon SW 2 E 5 R A R 1 E 5 R A R Only for RAR 5E2 ...

Страница 52: ...CIRCUIT DIAGRAM MODEL RAK 18 25 35 50PPB 52 WIRED REMOTE CONTROL SEND POWER FOR CLEANNESS ...

Страница 53: ...MODEL RA C 18 25 35 WPB 53 ...

Страница 54: ...MODEL RAC 50WPB 54 ...

Страница 55: ...ting lamp Vertical sweep motor Horizontal sweep motor Operation Timer Indoor microcomputer Stepping motor drive circuit Outdoor microcomputer Wireless remote controller Wireless receive Reset circuit Control Power circuit Room temperature thermistor Heat exchanger thermistor Oscillator clock circuit Indoor Outdoor interface circuit Indoor Outdoor interface circuit Power circuit Indoor DC fan motor...

Страница 56: ...ltra Lo again The fan speed is controlled by the heat exchanger temperature the overload control is executed as in the following diagram button button button button ultra Lo Operates at Lo regardless of the room temperature Runs at ultra Lo when thermo is off Operates at Silent regardless of the room temperature Runs at ultra Lo when thermo is off Operates at Med regardless of the room temperature...

Страница 57: ...UE 43 Minutes 43 Minutes 43 Minutes 40 Minutes 1 00 1 00 0 66 0 66 DFTIM OTP5 DFTIM OTP10 43 Minutes 43 Minutes 43 Minutes 90 Minutes 43 Minutes 43 Minutes 43 Minutes 60 Minutes 4600 min 1 4600 min 1 6000 min 1 5500 min 1 4600 min 1 4600 min 1 6000 min 1 5500 min 1 3200 min 1 3200 min 1 4800 min 1 4750 min 1 7 1 00 0 00 FCAUT L 0 66 0 66 0 66 0 66 FCAUT H 2 00 2 00 2 00 2 00 SFTDSC 0 66 0 66 0 66 ...

Страница 58: ...d Med 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 ...

Страница 59: ...tion wil cancel the powerful operation 5 If the sleep timer is set during powerful operation the powerful operation will be canceled 6 When the powerful operation is set the fan speed will be set to HIGH and the compressor s maximum speed will be set to CMAX2 during powerful operation The compressor s lower limit speed is CKYMIN_PW 7 The fan speed increases by FNUPPW_C 8 After the powerful operati...

Страница 60: ...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 61: ...celed 6 If the differential the room temperature the temperature setting is the differential 3 after powerful setting the compressor s maximum speed during powerful operation will be set to SDMAX Then the differential reduce the differential 2 33 during powerful operation the compressor s speed will be set to SDRPM If the differential the room temperature the temperature setting is the differentia...

Страница 62: ...will maintain for 120 minutes No time limit constrain if room temperature is 18 or less and outdoor temperature is 2 or less 6 During preheating or defrosting or auto fresh defrosting mode indoor unit operation lamp will blink at interval of 2 seconds ON and 1 second OFF 7 When heating mode starts it will enter into preheating mode if indoor heat exchanger temperature is less than YNEOF 0 33 8 Whe...

Страница 63: ...nd 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 63 Silent button WSZMAX CSZMAX Compresson speed Indoor fan Outdoor fan 8 WUD L L 0HG RZ RZ 6LOHQW 6 8OWUD R SILENT Notes Can t set POWERFUL and SILENT at the same time ...

Страница 64: ...If the sleep timer is set during powerful operation the powerful operation will be canceled 7 When the powerful operation is set the fan speed will be set to HIGH and the compressor s maximum speed will be set to WMAX2 during powerful operation The compressor s lower limit 8 After the powerful operation is ended the system automatically operates with the previous settings speed is WKYMIN_PW used b...

Страница 65: ... Cooling 0 66ć Dehumidifying 0 66ć Heating 0 66ć Set temperature Current restrict Compressor speed Notes Can t set POWERFUL and ECO at the same time During FAN operation can t set ECO FCLN_WAM_P FCLN_SDF_P CLNCMP 65 ...

Страница 66: ...ting Preheating released Stop 15 or more Auto fresh defrosting Hi or Lo Reversing valve defrosting RAK C 35P WPB RAK C 25P WPB RAK C 50P WPB RAK C 18P WPB 暖房通電 Over defrosting inhibit period Start Stop button Fan speed set to Hi Defrost signal Preheating judgment Preheating released Indoor fan Hi Med Lo Ultra Lo Outdoor fan Operation lamp Reversing valve heating on mode Hi or Lo Deceleration perio...

Страница 67: ...MODEL RAK 18 25PPB RAC 18 25WPB INDOOR UNIT INDOOR UNIT 67 ...

Страница 68: ...COOLING CYCLE INDOOR UNIT OUTDOOR UNIT HEATING CYCLE INDOOR UNIT OUTDOOR UNIT MODEL RAK 35PPB RAC 35WPB 68 ...

Страница 69: ...COOLING CYCLE INDOOR UNIT OUTDOOR UNIT HEATING CYCLE INDOOR UNIT OUTDOOR UNIT MODEL RAK 50PPB RAC 50WPB １ ２ １ ２ １ ４ １ ４ １ ２ １ ２ １ ４ １ ４ 69 ...

Страница 70: ...he claws Hold the front cover at both lower sides and pull them forward to remove Fig 3 Fig 2 Be sure to hold the front panel with both hands to detach and attach it When the front panel is fully opened with both hands push the right arm to the inside to release it and while closing the front panel slightly put it out forward Shaft Hole 2 1 Screw Terminal cover Screw cover Fig 1 Screw Screw Termin...

Страница 71: ...screws and lift the cover to remove it 2 Remove the service valve cover 3 Remove the terminal plate cover 4 Remove the right side cover 2 Remove the screws from the upper and lower bearing covers 3 Remove the locking hook of the lower bearing cover from the Cabinet Remove two lock screws from the fan motorholder 5 Pull up the evaporator by holding it at the lowerside Insert a screwdriver through t...

Страница 72: ... each connector and earth cable from the lead wire Then remove the electrical box MODEL RAC 50WPB OUTDOOR UNIT 1 Electrical parts 1 Remove the service value cover lock screws and lower the cover to remove it 2 Remove the top cover lock screw and raise the cover to remove it Fig 12 3 Remove the front cover lock screw 4 Lower the right side of the front cover and pull it forward Then remove the cove...

Страница 73: ...8 5 V respectively The primary 18 5 V is supplied to the drive circuit of the indoor fan motor the 12 V is supplied to each vane motor and to the drive circuits of the cleaning unit driving motor and other equipment and the 8 5 V is adjusted to a stable 5 V by the 3 terminal regulator IC IC101 IC103 and supplied to the microcomputer peripheral circuit If a failure in a part or circuit has produced...

Страница 74: ...t 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 㽲 pin of IC501 supply voltage and 㽼 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 㽲 pin...

Страница 75: ...eform Voltage at pin 5 of microcomputer between 0 V and pin 5 FG voltage of fan motor between pins 㽵 and 㽸 of CN2 When slow 700min 1 1 7ms When fast 1200min 1 1 7ms 5V 5V When slow 700min 1 7 1ms When fast 1200min 1 15V 15V 4 2ms 1300min 1 2 1V 5 4V Fig 3 1 Fig 3 2 0 9 1 Indoor fan motor 9 96 9 9 5 5 5 5 5 5 4 3 5 9 9 5 5 5 5 5 4 4 3 3 1 9 Primary 325V Primary 18 5V Power siganl of indoor fan from...

Страница 76: ... 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 generate the buzzer s sound R640 C632 The indoor fan motor and drive circuit are connected to the primary power supply They therefore have voltage to ground Guard against electric shocks W...

Страница 77: ...tch Circuit R403 5V R406 C404 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 㷄 Room temperature Room temperature input Fig 8 1 Fig 8 2 䃢 A 0V 0V 5V 2 0 1 0 10 20 30 40 3 4 5 10...

Страница 78: ...10 10 10 10 10 R901 R904 R641 R907 R908 R694 R902 R695 R741 R740 R642 DSW1 DSW1 R903 R905 R906 78 ...

Страница 79: ...emodulated at 30 kHz Typical communication waveform Signal between F cables 1 and 2 Enlarged waveform Fig 11 2 Fig 11 1 F E D G H D Signal sent by indoor microcomputer １Ｖ DIV 9 G Signal sent by outdoor microcomputer ˍ ˋ 9 9 H E Signals sent by indoor and outdoor microcomputers ˍ ˋ 9 9 F Signal between F cables and 5ms DIV 5ms DIV ˍ ˋ 9 9 The unit is receiving a signal that it sent it is not used p...

Страница 80: ...excited in 1 or 2 phases at 100 PPS or 200 PPS The excitation pattern passes the microcomputer IC601 and then the driver IC and excites the coil of each stepping motor Vertical vane leftˉ Vertical vane leftˉ Vertical vane leftˉ Vertical vane leftˉ Lateral vaneˉ Lateral vaneˉ Lateral vaneˉ Lateral vaneˉ Microcomputer Fig 12 1 9 9 1 1 9 0 0 12 Stepping motor drive circuit 61 60 59 58 Horizontal swee...

Страница 81: ...L N 300 330 Main parts L N C021 C022 37 5 420V RAC 18 25 35WPB 81 1 5 ...

Страница 82: ...trol IC ICI switching transformer 1 B 12V Power supply for electrical expansion valve 2 16V Power supply for IPM driver circuit of compressor and fan motor IGBT action 3 12V Power supply for 4 way valve relay power relay inrush current relay motor current amplification 4 5V Power supply for microcomputer peripheral circuits 82 ...

Страница 83: ...2V DC5V 001 C002 C003 C004 C005 C011 C013 C014 NF1 1 2 5 8 L105 JUMPER D110 EARTH L104 JUMPER D110 EARTH L103 JUMPER D110 EARTH R120 B 12V R120 B 0V B 12V O P Expansion valve Main parts 1 2 2 3 0 5V 1 5V 1 0V 15 5 2 5V 1 0V 13 83 ...

Страница 84: ...o control the relay ON OFF of the revesing valve and also control the coil of the reversing valve ON OFF The relay ON OFF has different type when in the different operation mode You can see each operation mode as fllows If the reaversing valve not connected or all the condition not the same as follow it may be something wrong with the reversing valve circuit micon 4 1 RL3 RL3 coil 11 34 4 Reversin...

Страница 85: ...5 5 1 10 11 12 74 74 70 70 74 75 5 1 HIC P W B 74 70 75 85 ...

Страница 86: ...6 Electric expansion valve circuit 48 47 46 45 13 14 15 16 4 3 2 1 68 67 66 65 RED 14 12 10 7 6 1 8 6 1 6 2 86 ...

Страница 87: ...2A Fuse DC300 330V 7 7 1 87 ...

Страница 88: ...2A DC300 330V 88 ...

Страница 89: ...L N 300 330 L N 50WPB 89 ...

Страница 90: ...300 330 C021 C023 500 450V 16V R249 33 ACT IP CUT 30 90 ...

Страница 91: ...trol IC ICI switching transformer 1 B 12V Power supply for electrical expansion valve 2 16V Power supply for IPM driver circuit of compressor and fan motor IGBT action 3 12V Power supply for 4 way valve relay power relay inrush current relay motor current amplification 4 5V Power supply for microcomputer peripheral circuits 91 ...

Страница 92: ...12V DC5V 001 C002 C003 C004 C005 C011 C013 C014 NF1 1 2 5 8 L105 JUMPER D110 EARTH L104 JUMPER D110 EARTH L103 JUMPER D110 EARTH R418 B 12V B 12V O P Expansion valve Main parts 1 2 2 3 0 5V 1 5V 1 0V 15 5 2 5V 1 0V 13 1 0 4 C 92 ...

Страница 93: ...o control the relay ON OFF of the revesing valve and also control the coil of the reversing valve ON OFF The relay ON OFF has different type when in the different operation mode You can see each operation mode as fllows If the reaversing valve not connected or all the condition not the same as follow it may be something wrong with the reversing valve circuit micon 4 1 RL3 RL3 coil 11 4 Reversing v...

Страница 94: ...5 5 1 74 74 70 70 74 75 5 1 HIC P W B 40 41 42 74 70 75 94 ...

Страница 95: ...6 Electric expansion valve circuit 5 13 14 15 16 4 3 2 1 68 67 66 65 RED 14 12 10 7 6 1 8 6 1 6 2 22 23 24 2 95 ...

Страница 96: ...2A Fuse DC300 330V 7 1 7 96 ...

Страница 97: ...2A DC300 330V 97 ...

Страница 98: ...t will run for 30 seconds with a slight wind When set to strong wind the product will begin with a slight wind operation producing a weak wind for 30 seconds and then switch to strong wind A2 A3 When heating is conducted despite the high outdoor temperature the product may stop to protect its equipment The auto fresh defrost should be working When stopped the product will check its outdoor unit fo...

Страница 99: ...ivate a preliminary operation for 1 minute At that time heating will cause the operation lamp to blink This is not a sign of a breakdown A5 The room structure air stream or other factor may cause a gap between the room temperature setting and actual room temperature If there is any difference between the setting and the room temperature adjust the temperature setting to match the living space to a...

Страница 100: ...ith the ON timer If the end time of the sleep timer is past the time set with the ON timer you cannot make that setting A4 Is the time not past the reserved time The set time disappears when the current time reaches the reserved time A3 The current time disappears 10 seconds later The timer set display is given priority A2 Have you set the product to the current time The timer cannot be set unless...

Страница 101: ...idification and the air conditioner is in a pause The product will begin again to run within about 3 minutes The product will run with the wind speed set to a quiet state A5 The temperature setting field on the remote control unit displays ć or ć The remote control unit will give no display in response to a push of the vertical vane button The remote control unit displays nothing The product will ...

Страница 102: ...er any circumstances get your hand or metal part into contact with the cabinet Danger Do not install a grounding Inspection instructions 102 Power supply Power circuit Control circuit Control circuit Indoor fan motor Outdoor Electrical Indoor Electrical 1 2 3 L N 0V line Power circuit Compressor motor Voltage between each part and ground Potential at points Potential at points 320V Potential at po...

Страница 103: ...t be sure to discharge the smoothing capacitors Discharge Procedure LEAD WIRE RAC 18 25WPB RAC 35WPB MAIN P W B 1 Turn off the power 2 After power is turned off wait for 10 minutes or more Then remove electrical parts cover and apply soldering iron of 30 to 75 W for 15 seconds or more to IPM 24 and IPM terminals on the main P W B as shown in the figure below in order to discharge voltage in smooth...

Страница 104: ...ng electrical parts 1 Remove the electrical parts cover 2 Remove the connectors from the CN4 heat exchange thermistor CN15 stepping motor and CN2 fan motor 3 Remove t lock screws Removing control P W B 1 Remove the connectors from the CN3 2 Remove the P W B from the P W B support STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS RAK 18 25 35 50P B CN16 P hree 104 FIXTURE SCREW ELECTRICA L COVER ...

Страница 105: ...ll destroy it Be on guard When reconnecting it insert it securely all the way home All the receptacles for connecting tab terminals are with a locking mechanism Forcibly pulling any such receptacle without unlocking it will destroy it Be on guard When reconnecting it insert it securely all the way home Pinch the locking mechanism with your fingers and pull it out unlocked Other instructions 1 Deta...

Страница 106: ...indoor or outdoor communications is in a failure The product stores 5 last stored failure modes There is a function for deleting memory Once you clear the memory and run the product for several days you can read the failure modes and check them thereby detecting the less frequent failure phenomena Failure modes can be checked by both the blinking of the lamp of the indoor unit and the display of t...

Страница 107: ...it is blinking troubleshoot the product while referring to the table below 2 If you wish to try another operation while the lamp is blinking operate the START STOP button on the remote control unit twice The first push will reset the indoor microcomputer while the second will activate the product Self diagnosis display function indoor side display An example of 5 time blinking 2 second intermissio...

Страница 108: ...108 109 ...

Страница 109: ...gle only 9 times sigle only 012 00 12 times Indoor interface circuit broken communication error between indoor and outdoor units 1 Indoor interface circuit Outdoor interface circuit broken 1 Outdoor interface circuit ...

Страница 110: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 18 25 35WP B 110 ...

Страница 111: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 50WP B 111 ...

Страница 112: ...porary operation SW How to stop the operation Press and hold the Temporary operation SW again Or stop the operation using the remote controller During the forced cooling operation the Timer indicator blinks twice When performing the forced cooling operation turn the power off once If you press and hold the switch for 5 sec or longer the forced cooling operation starts To stop the forced cooling op...

Страница 113: ...rs and other factors of the day so that the phenomenon may not be able to be identified at the time of a repair service visit In that case too use the self diagnosis memory function Ć2 The outdoor self diagnosis display overload lower limit cut and OH thermistor heat up can be identified only when you are using the self diagnosis lamp of the outdoor unit and the self diagnosis memory function of t...

Страница 114: ...k 3 Is the compressor of the outdoor unit running Yes No If you responded No to Check 2 ǂǂǂCheck 4 Does the emergency operation switch work Yes No First check the failure phenomenon and status and then move on to elaborate diagnosis Initiating troubleshooting No Yes Turn off the power wait at least 5 seconds turn it back on and observe the way the horizontal vanes move for about 30 seconds ǂǂǂǂǂCh...

Страница 115: ...e phase 3 wire power supply If the 3 15 A fuse has blown out eliminate the cause of the fuse blowout Otherwise there will occur another fuse blowout If the 3 15 A fuse has blown out due to an abnormally high voltage to the power supply the varistor VA001 will deteriorate and become destroyed as well On a repair service visit due to the failure phenomenon of The power will not become turned on take...

Страница 116: ...s Instruct your users to use new alkaline batteries Does the remote control unit have a sufficient battery capacity If the liquid crystal display becomes extremely faded when a remote control signal is sent replace the batteries No Press the reset switch of the remote control unit then conduct another operation check Has the product worked Yes Instruct your users to be sure to press the reset swit...

Страница 117: ...it output usually shows a noise waveform as shown in ǂthe right hand figure In the case of slight jamming this kind of waveform ǂwill not cause practical problems However intense degrees of jamming ǂwill disable the reception of remote control signals When the fluorescent lamp is old and is flickering it may cause disorders ǂin the reception of remote control signals Actions proposed 1 Make it har...

Страница 118: ...s coming from other electrical products Turn on and off the electrical products turn off the power and turn on the power and check their effects on the reception of remote control signals For products whose operating states change check the effects of each state Actions proposed Change the location relationship between the air conditioner and the target products Use a different wall outlet for the...

Страница 119: ... of the indoor unit blinking Yes Yes Yes No No No Check for failures according to the self diagnosis display Did the self diagnosis lamp LD301 of the outdoor unit blink once or become turned off Check for failures according to the self diagnosis display Remove the connector CN4 of the room temperature thermistor and heat exchanger thermistor and measure the thermistor resistance Did the reading ro...

Страница 120: ...timated failure locations Indoor fan motor Fan motor drive circuit Diagnosis flow Initiating troubleshooting Yes Replace the indoor fan motor No Replace the indoor electrical parts Run the product by remote control and then stop it Reproduce the failure phenomenon Is the voltage between pins ĺ and ļ of the fan motor connector CN2 below 1 5 V Take measurements while the failure phenomenon is presen...

Страница 121: ...t before inserting it into the terminal board securely Detach the connector CN3 from the terminal board temperature fuse and check the temperature fuse for continuity Is the resistance almost 0 No Yes Initiating troubleshooting Replace the indoor electrical parts Replace the terminal board 6 Timer lamp blinking blinking twice 7 Timer lamp blinking blinking three times Estimated failure locations O...

Страница 122: ...nks 9 times and the product will not run Estimated failure location 䊶 Loose connector wire break or short circuit in the room temperature thermistor heat exchanger thermistor Cautions 䊶 Starting the product by remote control will initiate failure detection Merely turning on the power will not activate the failure detection function Diagnosis flow Initiating troubleshooting Yes Yes No No Correct th...

Страница 123: ...the indoor fan motor Indoor fan motor mechanically locked Indoor fan motor Indoor fan motor drive circuit Diagnosis flow Initiating troubleshooting No No No No No No No Yes Yes Yes Remove the cause of the mechanical lock Is the indoor fan motor connector CN2 securely inserted Is it free of wire breaks Correct the connector and wiring For 2 to 3 seconds after startup by remote control did a voltage...

Страница 124: ...m errors Yes Yes Yes Yes No No No No Correct the F cable connection Is the CN securely inserted into the outdoor board Correct the connector Press the START STOP button on the remote control unit and start the product Are terminals 1 and 2of the terminal board of the electrical parts of the outdoor unit subjected to 㶎Take measurements within 3 minutes after remote control operation Check the elect...

Страница 125: ...ng capacitor Replace the outdoor electrical parts Is the power circuit normal For details see the page on the power circuit Is the 3 A fuse blown out Replace the outdoor electrical parts in the case of an abnormality in the power circuit normal Just in case put the power on one The LD301 will not go on and the power circuit is normal Replace the outdoor electrical parts in the case of an abnormali...

Страница 126: ...he communication circuit Correct the abnormal location Abnormality in equipment other than the electrical parts The LD301 blinks once Reset stopped If the indoor unit is either of the following states it will blink once Ionmist in progress 2 hours before the ON timer Turn the power back on run the product either by remote control or by using the forcible cooling switch and check the blinking frequ...

Страница 127: ...cal parts in the case of an abnormality in the communication circuit Correct the abnormal location Abnormality in equipment other than the electrical parts The LD301 blinks once Reset stopped If the indoor unit is either of the following states it will blink once Ionmist in progress 2 hours before the ON timer Turn the power back on run the product either by remote control or by using the forcible...

Страница 128: ... abnormality in the thermistor detection circuit Check the OH thermistor for wire breaks and short circuits Replace the OH thermistor Check if the OH thermistor is not loose or poorly inserted Connect the OH thermistor Normal Normal Normal Normal Normal Review the freezing cycle Refrigerant leakage or other reason is conceivable If reviewing the freezing cycle does not correct the problem replace ...

Страница 129: ...imit cut When cooling Is the heat exchanger of the outdoor unit clogged up Is there shelter around When heating Is the heat exchanger or filter of the indoor unit clogged up Is the freezing cycle abnormal Remove the cause of the problem Correct the abnormal location Since the compressor load was heavy the product was stopped Yes No No No Yes Yes Clear up the causation Does the service valve open N...

Страница 130: ...he outdoor fan motor or outdoor electrical parts After restarting the product will run continuously It stops Check the outdoor fan motor For details see the page on the outdoor fan motor or the instruction plate on the lid of the electrical parts Is the outdoor fan motor abnormal Fan motor abnormal Replace the outdoor fan motor Fan motor normal Replace the outdoor electrical parts in the case of a...

Страница 131: ...57 131 ...

Страница 132: ...Please set the DIP switch No 6 to ON accordingly Refe to page r 78 132 ...

Страница 133: ...78 133 ...

Страница 134: ...134 ...

Страница 135: ...Replace it and seal refrigerant If the compressor checker for an inverter type air conditioner is available re check using it JUDGING BETWEEN GAS LEAKAGE AND COMPRESSOR DEFECTIVE Blinking off Time until the lamp lights Approx 10 seconds Approx 10 seconds Approx 10 seconds Within Approx 30 seconds Compressor Compressor Gas leakage Possible malfunctioning part LD301 Self diagnosis lamp Lighting mode...

Страница 136: ...witch for 5 or longer the self check diagnosis starts In this case turn the power off and start the procedure from 1 again For the initialization of the expansion valve it may take 1 min until the operation starts after the power turns on confirm that the LD301 changes to blinking 9 times communication error 2 Confirm that the LD301 blinks once from the terminal side of the outdoor unit Afterwards...

Страница 137: ... with the test switch is over turn off the breaker and set the connectors back HOW TO OPERATE THE OUTDOOR UNIT INDEPENDENTLY 1 Connect the large dia pipe side and small dia pipe side service valve using a pipe Parts to be prepared 1 Reducing union 2 8 6 35 mm 3 8 9 52 mm 2 Copper pipe 2 8 and 3 8 Connect the small diameter service valve and the large diameter service valve using the reducing union...

Страница 138: ...PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAK 18 25PPB 2 1 10 29 37 3 9 4 5 38 39 8 6 7 13 11 12 25 21 22 24 23 20 26 27 18 19 5 28 34 33 35 16 17 15 14 30 41 40 32 31 36 138 ...

Страница 139: ...8PEB 902 Q TY UN IT PARTS NAME HHAW PARTS NO NO HWRAK 18PSPA 901 HWRAK 25PEA 902 19 1 LED COVER 20 1 FC GUIDE 21 1 PIPE COVER 22 1 DRAIN PAN ASS Y 23 1 DRAIN CAP 24 1 FO PIPE 25 1 DRAINAGE PIPE 26 1 STEPPING MOTOR 27 2 DEFLECTOR SUPPORT 28 1 HORIZONTAL AIR DEFLECTOR 29 1 AIR FILTER 30 1 FRONT PANEL AS 31 1 RE HOLDER 32 1 REMOTE CONTROL ASS Y 33 1 FRONT COVER AS 34 1 T COVER ASS Y 35 2 CAP 36 1 H L...

Страница 140: ...PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAK 35 50PPB HITACHI 6 14 22 35 20 28 21 40 43 31 36 41 34 7 5 18 29 30 27 25 24 26 19 12 13 32 16 17 15 42 39 38 1 9 37 44 3 2 11 4 8 10 45 33 23 140 ...

Страница 141: ...11 HWRAK 35PPB 912 19 1 DRAIN PAN ASS Y 20 1 P W B INDICATION 21 1 LED COVER 22 1 FC GUIDE 23 1 K SUP 24 1 DRAIN CAP 25 1 FO PIPE 26 1 DRAINAGE PIPE 27 3 DEFLECTOR SUPPORT 28 1 HORIZONTAL AIR DEFLECTOR 29 1 STEPPING MOTOR 30 1 STEPPING MOTOR VERTICAL AIR DEFLECTOR 31 1 FRONT PANEL 32 1 REMOTE CONTROL ASS Y 33 1 FRONT COVER AS 34 1 T COVER ASS Y 35 2 CAP 36 1 H LABEL 37 1 S COVER R 38 1 S COVER L 3...

Страница 142: ...37 10 28 31 21 25 32 30 36 29 22 33 9 5 38 34 1 20 19 17 18 23 2 41 40 42 43 24 26 27 35 39 15 6 16 4 3 44 14 11 12 13 MODEL RAC 18 25WPB OUTDOOR UNIT 45 7 8 142 ...

Страница 143: ... 5P HWRAC D10EX A08 HWRAC 18WEB A08 HWRAC E08H A09 HWRAC 18WEB A09 HWRAC 18WEB A10 HWRAC 18WEB A11 HWRAC 18WEB A12 HWRAC 18WEB A13 HWRAC 25YH4 A24 HWRAC 18WEB A14 HWRAC 18WEB A15 HWRAC 18WEB A16 HWRAC 18WEB A17 HWRAC 18WEB A18 HWRAC 18WEB A19 26 2 TERMINAL BOARD 5P 1 R O T A R U G E R K N I S T A E H 1 7 2 A 5 1 E S U F 1 8 2 A 5 1 3 E S U F 2 9 2 30 HWRAC 18WEB A21 HWRAC 25WEB A01 1 P W B MAIN A ...

Страница 144: ...MODEL RAC 35WPB 1 3 48 2 16 13 17 11 14 9 5 15 44 31 43 6 7 12 20 47 8 25 28 27 23 22 21 19 18 39 42 41 40 24 26 37 10 38 4 OUTDOOR UNIT 46 45 32 30 34 29 33 35 49 36 50 144 ...

Страница 145: ...WRAC 25YH4 A24 1 NUT PROPELLER FAN 25 HWRAC 25YH4 A25 1 SIDE COVER L PARTS NAME Q TY UN IT NO 25 HWRAC 25YH4 A25 1 SIDE COVER L 26 HWRAC 25YH4 A26 1 HANDLE 27 HWRAC 35WPB A06 1 FRONT COVER 28 HWRAC E14H3 909 1 DISCHARGE GRILL 29 HWRAC 35WPB A07 1 ELECTRIC PARTS PLATE 30 HWRAC 35WPB A08 1 ELECTRIC PARTS COVER 31 HWRAC 25YH4 A50 1 DRAIN PIPE 32 HWRAC 18WEB A19 1 TERMINAL BOARD 5P 33 HWRAC 35WPB A09 ...

Страница 146: ...RAC 50WP 30 39 40 38 18 9 6 4 16 17 8 7 19 14 15 10 12 13 35 11 48 5 20 21 22 25 24 23 29 28 31 51 34 33 26 44 27 36 42 43 49 50 32 37 52 45 46 47 41 B 145 146 ...

Страница 147: ...4 HWRAC 50NX2 A24 1 25 HWRAC 50NX2 A25 1 26 HWRAC 50NX2 A26 1 27 HWRAC 50NX2 A27 1 28 HWRAC 50NX2 A28 1 29 HWRAC 50NX2 A29 1 30 HWRAC 50WEB A03 1 31 HWRAC E14H3 914 1 32 HWRAC 50NX2 A31 1 33 HWRAC 18WSPA A24 1 34 HWRAC 18WSPA A09 1 35 HWRAC 50WEB A04 1 36 HWRAC 18WSPA A10 1 37 HWRAC 50NX2 A35 1 38 HWRAC 50NX2 A36 1 39 HWRAC 50NX2 A37 2 40 HWRAC 50NX2 A38 1 41 HWRAC 50WEB A05 1 42 HWRAC 50WEB A06 1...

Страница 148: ...HITACHI RAK 18PPB RAC 18WPB RAK 25PPB RAC 25WPB HHAW NO 0080E RAK 35PPB RAC 35WPB RAK 50PPB RAC 50WPB 3 148 ...

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