Hitachi RAC-25WSE Service Manual Download Page 139 | Manualshive

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MODEL RAC-25WSE,RAC-35WSE

RAC-25WSE

RAC-35WSE

1

1

BASE

2

1

COMPRESSOR

3

3

PUSH NUT

4

1

CONDENSER

5

1

REVERSING VALVE ASSEMBLY

6

1

SERVICE VALVE

7

1

SERVICE VALVE

8

1

ELECTRIC EXPANSION VALVE

9

1

SOUND PROOF

10

2

SOUND PROOF

11

1

SOUND PROOF

12

3

RUBBER RING

13

1

O.L.R COVER

14

1

CONNECTING CORD(COMPRESSOR)

15

1

THERMISTOR (DEFROST)

16

1

THERMISTOR SUPPORT

17

1

COIL(REVERSING VALVE)

18

1

COIL(EXPANSION VALVE)

19

1

PARTITION

20

1

REACTOR

21

1

FAN MOTOR SUPPORT

22

1

FAN MOTOR

23

1

PROPELLER FAN

24

1

NUT (PROPELLER FAN)

25

1

SIDE COVER (L)

26

1

HANDLE

27

1

FRONT COVER

28

1

DISCHARGE GRILL

29

1

EARTH-PLATE

30

1

THERMISTOR(OUTDOOR TEMPERATURE)

31

1

SIDE COVER (R)

32

1

TC-COVER

33

1

H-SHEET

34

1

TERMINAL COVER

35

1

TOP COVER

36

1

SERVICE VALVE COVER

37

1

BUSH ASSEMBLY

38

2

BUSH

39

1

DRAIN PIPE

40

1

ELECTRIC PARTS PLATE

41

1

ELECTRIC PARTS COVER

42

1

SUPPORT (P.W.B.)

43

1

HEAT SINK

44

HWRAC-25WSE A07

HWRAC-35WSE A01

1

P.W.B.(MAIN)

45

1

TERM-PLATE

46

1

TERMINAL BOARD (5P)

47

1

FUSE (15A)

48

2

FUSE (3.15A)

NO

Q'TY/UNIT

PARTS NAME

JCH-WH PARTS NO

HWRAC-50WPC A01
HWRAC-25WXD A01
HWRAC-50NX2 A04
HWRAC-25WXD A02

HWRAC-50NX2 A17

HWRAC-25WXD A03
HWRAC-10GH5 A03
HWRAC-50WEA A06
HWRAC-50WED A03
HWRAC-25WXD A04
HWRAC-25WXD A05
HWRAC-25WXD A06
HWRAC-25WXD A07
HWRAC-25WXD A08
HWRAC-25WSE A01
HWRAC-50NX2 A16

HWRAC-50WEC A14

HWRAC-25WXD A09
HWRAC-50WED A07
HWRAC-25WSE A02
HWRAC-18WED A07
HWRAC-25WSE A03
HWRAC-42WPD A03
HWRAC-50WEC A12
HWRAC-50NX2 A25
HWRAC-50NX2 A26
HWRAC-50NX2 A27
HWRAC-50WED A11

HWRAC-25WSE A06

HWRAC-50WEA A14
HWRAC-E14H3 914
HWRAC-25WSE A04

HWRAC-18WSPA A24

HWRAC-25WSE A05
HWRAC-50WEC A16

HWRAC-SX18HAK A28

HWRAC-50WED A13
HWRAC-50NX2 A36
HWRAC-50NX2 A37
HWRAC-50NX2 A38

HWRAC-50WED A16
HWRAC-18WPD A09
HWRAC-25WXD A11

HWRAC-18WPD A13
HWRAC-35WPC A11

HWRAC-25YHA5 A21

HWRAC-25WSE A08

139

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Summary of Contents for RAC-25WSE

Page 1: ... SOURCE 1PHASE 50HZ 220V 230V 1PHASE 50HZ 220V 230V 1PHASE 50HZ 220V 230V 4 00 0 60 6 60 13 650 2 050 22 520 1 389 6 33 6 05 5 00 1 90 5 20 17 060 6 480 17 740 1 622 After installation REFER TO THE FOUNDATION MANUAL CONTENTS SPECIFICATIONS HOW TO USE CONSTRUCTION AND DIMENSIONAL DIAGRAM MAIN PARTS COMPONENT WIRING DIAGRAM WIRING DIAGRAM OF THE PRINTED WIRING BOARD BLOCK DIAGRAM BASIC MODE REFRIGER...

Page 2: ...ny 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 1MΩ or more as measured by a 500V DC megger 9 The initial location of installation such as window floor or the other should be chec...

Page 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...

Page 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 ...

Page 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...

Page 6: ... RAK 25 35 50PSEW RAK 25 35 50PSES YES RZEA15340 RAC 25 35WSE RAC 50WSE SERVICE SWITCH Refrigerant R32 COMPRESSOR MOTOR CAPACITOR NO NO NO YES NO NO NO 30W DC 3 15A 325V TVR10471 47W DC120 380V YES INTERNAL 15A 2A 3A 3 15A NO NO NO NO NO NO NO NO YES YES YES YES IC YES YES IC YES TVR10471 ERZVA9V431 NO GSD102UKQA6JT6A GSD141UKQA8JT6 HF161F MAX 30m WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE...

Page 7: ...insulation pipe Above 200mm Above 50 mm when installed on the ceiling of balcony Above 100mm Heating efficiency will be enhanced if the space below the outdoor unit is closed so that no air passes through Procure the material locally The refrigerating machine oil is easily affected by moisture Use caution to prevent water from entering the cycle Connection of insulated drain hose Please use insula...

Page 8: ... air passes through Procure the material locally The refrigerating machine oil is easily affected by moisture Use caution to prevent water from entering the cycle Connection of insulated drain hose Please use insulated drain hose for the indoor piping commercial product Inner diameter 16mm The difference in height between the indoor and outdoor unit should be kept below 10m The connecting pipe no ...

Page 9: ... not used 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 o...

Page 10: ...er This controller can be fixed on a wall using the fixture provided Before fixing it make sure the indoor unit 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 respond to commands and operate When remote contr...

Page 11: ...ng on the current room temperature The selected mode of operation will change when the room temperature varies 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 airflow direction As the operation is not stopped by remote controller If you intend not to continue the operation when t...

Page 12: ... exchange of the outdoor unit for 5 10 minutes each time During defrosting operation the operation lamp blinks in a cycle of seconds on and second off The maximum time for defrosting is 20 minutes 1 2 3 Defrosting ENGLISH 2 1 7 minutes to 4 DEHUMIDIFYING OPERATION Dehumidifying Function When the room temperature is higher than the temperature setting The device will dehumidify the room reducing th...

Page 13: ...ing Frost Wash operation Frost Wash operation is discontinued and start the cooling operation after about 3 minutes When Frost Wash is stopped during Frost Wash operation the unit automatically restart Frost Wash operation In order to protect the product Frost Wash function cannot be carried out again for about 60 minutes after Frost Wash operation is completed When the outdoor temperature or indo...

Page 14: ...ER CLEANING OPERATION AUTOMATIC OPERATION To stop AUTOMATIC FILTER CLEANING operation Automatic filter cleaning mode is set at the time of purchase Automatically cleans the micro mesh stainless filter when the basic air conditioning operation AUTO HEATING FAN DEHUMIDIFYING or COOLING has ended The cleaning unit makes cycle to back and forth movement to sweep the dust on the micro mesh stainless fi...

Page 15: ...d the filter cleaning wiper to wash them with water CAUTION Do not put your fingers or a stick etc into the top part of the indoor unit during filter cleaning operation It may result in injury or malfunction half 13 ENGLISH FAN OPERATION 14 VERTICAL SWING HORIZONTAL SWING To start Vertical Auto Swing To start Horizontal Auto Swing To cancel Vertical Auto Swing To cancel Horizontal Auto Swing Press...

Page 16: ...is an energy saving function by changing set temperature automatically and by limiting the maximum power consumption value 15 0 2 4 O By pressing the ECO button during AUTO HEATING DEHUMIDIFYING or COOLING operation the air conditioner performs the ECO operation 1 Q To start ECO operation Q To cancel ECO operation O Press ECO button during operation is displayed on the LCD A beep sound is emitted ...

Page 17: ... maximum capacity 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 LEAVE HOME mode is se 17 LIGHT ON OFF OPERATION By pressing LIGHT ON OFF button during operation lamps on the indoor will be turned off or If lamps on the indoor are lighted up during operation it will Press t...

Page 18: ...it shall be in continuous operation POWERFUL ECO SLEEP TIMER and ECO operations are not applicable during Leave Home operation 1 2 1 2 3 4 19 N O I T A R E P O R E M I T F F O N O R E M I T E C N O The device can be set to turn off at a preset time 1 Press OFF TIMER button and blink on the display 2 Set the turn off time with TIME button 3 After setting direct the remote controller towards the ind...

Page 19: ...EP TIMER OPERATION To set ECO SLEEP TIMER and ON TIMER To cancel ECO SLEEP TIMER and ON TIMER operation The air conditioner will be turned off by ECO SLEEP TIMER and turned on by ON TIMER 1 Set the ON TIMER 2 Press SLEEP button and set ECO SLEEP TIMER Direct the remote controller towards the indoor unit and press CANCEL button OFF off time number of hour ON and ON TIMER set time disappear from the...

Page 20: ...ered reservation to indoor unit and then operate 3 4 ENGLISH 23 5 Press ON OFF TIMER button to select ON TIMER or OFF TIMER reservation 6 Press TIME button to set time reservation 7 Press TEMP or button to set temperature reservation 8 Press OK button The reservations are set Day program number ON reservation setting temperature will light up will be continuously blinks If reservation is not compl...

Page 21: ...r activation After auto restart WEEKLY TIMER operation is cancelled Need to set WEEKLY TIMER operation for activation 1 2 1 WEEKLY TIMER OPERATION Step 2 Select Mode A or Mode B and activate or deactivate WEEKLY TIMER 3 25 How to copy and paste Editing the reservation schedule is easy by copying data from one day to another day 1 Press WEEKLY button to select Mode A or Mode B 2 Press WEEKLY button...

Page 22: ...start editing the reservation schedule 3 Press DAY button to select a day of the week to edit 4 Press DELETE button for about 10 seconds Reservations for all program numbers will be deleted If press for a short time reservation for one program number will be deleted 5 After deleting press SEND button while directing the remote controller towards the indoor unit for about 3 seconds Timer lamp on th...

Page 23: ... check monthly power consumption During installation in case of power failure or breaker ON OFF ensure to set the clock and calendar for indoor unit unit in standby mode or auto restart by pressing START STOP button Failure to do the above monthly power consumption amount will not be displayed on the remote controller 1 29 K C O L E D O M N O I T A R E P O The remote controller can be set to fix t...

Page 24: ...urce is used The use of other power sources may cause electrical components to overheat and lead to fi re PRECAUTIONS DURING INSTALLATION PROHIBITION CONNECT EARTH LINE PROHIBITION WARNING CAUTION Please contact your agent for maintenance Improper self maintenance may cause electric shock and fi re Please contact your agent if you need to remove and reinstall the unit Electric shock or fi re may o...

Page 25: ...ain pipe causing water to drip with potential electric shock hazard Ь r o o d t u o e h t f o n i f m u i n i m u l a d n a e c a f r u s m o t t o b t e l t u o r i a e h t h c u o t t o n o D unit You may get hurt Do not touch the refrigerant pipe and connecting valve Burns may result PROHIBITION DON T WET PROHIBITION PROHIBITION PROHIBITION DON T TOUCH OFF PROHIBITION PROHIBITION PROHIBITION PR...

Page 26: ...xchanger of the outdoor unit for 5 10 minutes each time This lamp lights during Dehumidifying Indoor temp is displayed on the indoor unit during operation Display Range 0 to 49 This lamp lights during fan operation This lamp lights during ECO mode This lamp lights during filter cleaning operation This lamp lights when frost wash is working This lamp lights when the timer is working It flashes when...

Page 27: ... 1 Stop the operation with the remote controller and turn off the circuit breaker 2 Wash the dust box with water If the dirt is stubborn wash the dust box with warm water below 40 C After washing dry it in the shade 3 Turn on the circuit breaker Dust box 7 half MAINTENANCE continued r e t l i F s s e l n i a t S h s e M o r c i M f o e c n a n e t n i a M No daily maintenance is required However f...

Page 28: ... to the indicated direction 1 Insert the shaft of the left arm along the step on the unit into the hole 2 Securely insert the shaft of the right arm along the step on the unit into the hole 3 Make sure that the front panel is securely attached CAUTION Improper installation of the micro mesh stainless lter could result in malfunction Filter cleaning operation can not be performed properly and the i...

Page 29: ...orbs exterior heat and brings it into a room to be heated As the ambient temperature gets lower heating capability will also lower In such a situation the inverter work to increase compressor rpm to keep the unit s heating capability from decreasing If the unit s heating performance is still unsatisfactory other heating appliances should be used to augment this unit s performance The air condition...

Page 30: ...uring filter cleaning operation or within 5 minutes after the operation the filter cleaning operation will not restart to protect the device FILTER CLEAN indicator lit for 1 second off for 1 second for 10 seconds Is filter cleaning operation prohibited being set Please return to the filter cleaning operation setting Are the micro mesh stainless filter the dust catcher correctly installed FILTER CL...

Page 31: ...er is operating Outside air temperature room temperature and room humidity are not It has not been over 60 minutes since the end of FROST WASH remote controller suitable for FROST WASH Repeat for 4 seconds on and 1 second off for 15 seconds Because it is not FROST WASH for a long time Operate the remote controller to operate FROST WASH when the room temperature is less than about 10 degrees Celsiu...

Page 32: ...YEARLY CONTACT YOUR SALES AGENT SHOULD YOU NEED ANY HELP WARNING Is the unit s earth line connected correctly Please make sure earth line is connected correctly If the earth line is disconnected or faulty it may result in malfunction or electric shock WARNING Is the mounting frame stable Check to see if the mounting frame has rusted excessively or if the outdoor unit has tilted or become unstable ...

Page 33: ... air suction grille Front panel Horizontal air deflector Narrow pipe φ6 35 Drain Drain cap connection port When piping is drawn from the left side exchange the drain hose for the drain cap Wide pipe φ9 52 RAK 25 35PSEW RAK 25 35PSES Wide pipe φ12 7 RAK 50PSEW RAK 50PSES Drain hose Air outlet Mounting plate Vertical air deflector RAK 25 35 50PSEW RAK 25 35 50PSES 33 ...

Page 34: ...MODEL RAC 25WSE RAC 35WSE Unit mm 600 346 299 202 163 5 589 92 59 792 877 55 57 190 147 12 11 Drain hole Drain hole AIR SUCTION View from the rear Drain hole 34 ...

Page 35: ...MODEL RAC 50WSE 35 ...

Page 36: ...TION 16 INDICATION 24 INDICATION 32 CONNECTION Control circuit built in M WHT RED YEL 0 6 5V 0V V 15V BLU BLK BLU BLUE YEL YELLOW BRN BROWN WHT WHITE GRY GRAY ORN ORANGE GRN GREEN RED RED BLK BLACK PNK PINK VIO VIOLET WHT V BLK W M M M RED U 325 THERMOSTAT Room temperature Thermistor APPLICABLE MODELS REACTOR RAC 25 35 50WSE RAC 25 35 50WSE RAC 25 35WSE COIL REVERSING VALVE COIL EXPANSION VALVE 27...

Page 37: ... capillary tubes clogged or crushed or with too little refrigerant check the color of the refrigerating machine oil inside the compressor If the color has been changed conspicuously replace the compressor U V W M M WHITE YELLOW RED 75 220 350 V 2M 1 354 2M 1 354 M RAC 50WSE RAC 25 35WSE RAC 25 35 50WSE 220 350 V OUTPUT 1400W GTD141UKQA8JT6 GSD102UKQA6JT6A 790W 37 ...

Page 38: ...HUMIDITY P W B UNIT MOTOR CLEANING LIMIT SW CLEANING WIRELESS REMOTE CONTROL INDOOR FAN MOTOR TERMINAL BOARD TERMINAL FUSE 102 BRN BLK BLU GRN YEL CONNECTING CORD VERTICAL SWEEP MOTOR HORIZONTAL SWEEP MOTOR WIRED REMOTE CONTROL ROOM TEMP HEAT EXCHANGER THERMISTOR THERMISTOR TEST H LINK SENSOR SOME CONNECTOR MAY NOT BE INSTALLED PLEASE ACCORDING TO THE SPECIFIC OF ACTUAL MODELS INDICATING P W B CN2...

Page 39: ...MODEL RAC 25WSE RAC 35WSE OUTDOOR UNIT 39 ...

Page 40: ...MODEL RAC 50WSE OUTDOOR UNIT 40 ...

Page 41: ...R23 R22 BAT1 3 1 2 TR2 2 1 3 TR1 R3 R2 BAT0 R1 LED1 R4 R5 SWB SWC SWD SWK SWL SWM SWN SWP SWQ SWR SWS SWU SWV SWW SWX SWF SWG SWH SWI SWZ SW2 SW3 SW4 SW6 SW7 SW8 SW9 TP_RST TROIOD1 COM4 1 COM5 2 COM6 3 COM7 4 SEG0 5 SEG1 6 SEG2 7 SEG3 8 SEG4 9 SEG5 10 SEG6 11 NC 12 NC 13 NC 14 NC 15 NC 16 NC 17 SEG7 18 SEG8 19 SEG9 20 SEG10 21 SEG11 22 SEG12 23 COM7 24 COM6 25 COM5 26 COM4 27 COM3 28 COM2 29 COM1 ...

Page 42: ...MODEL RAK 25 35 50PSEW RAK 25 35 50PSES 42 ...

Page 43: ...MODEL RAC 25WSE RAC 35WSE 43 ...

Page 44: ...MODEL RAC 50WSE 44 ...

Page 45: ...cuit Room temperature thermistor Heat exchanger thermistor Oscillator clock Cleaning Unit Position defection weitch circuit Indoor Outdoor interface circuit Indoor DC fan motor send circuit Infrared sensor Cleaning sweep motor ECO Sensor 1 2 3 Power circuit Reset circuit Control power circuit Compressor drive circuit Compressor motor Outdoor DC fan motor drive circuit Outdoor Fan motor Indoor Outd...

Page 46: ...Silent regardless of the room temperature Runs at ultra Lo when thermo is off Operates at Med regardless of the room temperature Runs at ultra Lo when thermo is off 1 Runs at Hi until room temperature reaches to setting temperature SFTDSC after operation is started 2 Runs at ultra Lo when thermo is off button button button button button button button PDCIN2 PDCOF2 Med Lo Silent 108 Med Lo Silent S...

Page 47: ... 1 00 1 00 1 00 DASUPHH 45 00 45 00 39 00 DASDNHH 41 00 41 00 36 00 DASUPH 40 00 40 00 34 66 DASDNH 35 33 35 33 32 00 DASUPL 35 00 35 00 31 00 DASDNL 28 00 28 00 29 00 DASUPS 28 00 28 00 28 00 DASDNS 27 00 27 00 26 00 NORUPH 44 00 44 00 44 66 NORDNH 40 00 40 00 38 00 NORUPL 39 00 39 00 37 66 NORDNL 35 00 35 00 33 66 NORUPS 35 00 35 00 33 00 NORDNS 34 00 34 00 30 66 PDCIN2 50 00 50 00 50 00 PDCOF2 ...

Page 48: ... 25min frzcln_chktm1_8u 42h 42h 42h frzcln_chktm2_8u 42h 42h 42h frzcln_chktm3_8u 84h 84h 84h frzclnstp_8u 30min 30min 30min frzcln_blnce_tm_8u 8min 8min 8min frzcln_souf1_tm_8u 3min 3min 3min frzcln_souf2_tm_8u 8min 8min 8min frztm1_short_8u 25min 25min 25min frztm1_long_8u 25min 25min 25min clntim_def2_8u 3min 3min 3min clntim_wam1_frz1_8u 5min 5min 5min clntim_stp1_frz1_8u 3min 3min 3min clntim...

Page 49: ...ion 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 indoor tem perature is higher than CLMXTP 6 When fan is set to Hi compressor rpm will be limited to CSTD 7 When fan is set to Med compressor rpm will be limited...

Page 50: ...l 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 operation is e...

Page 51: ... 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 are 3 minutes Lo silent Thermo OFF Thermo OFF Stop 32 Basic Dehumidifying Operation Stop Start Start 3 2 33 Ul...

Page 52: ...ed 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 differential 3...

Page 53: ...r 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 When fan is set to ...

Page 54: ...fter setting 3 Operation is continued forcibly thermo ON for 20 minutes after the powerful operation is finished 4 Defrost is inhibited for 20 minutes after the start of the powerful operation 5 Pressing the START STOP button and POWERFUL button during powerful operation wil cancel 6 If the sleep timer is set during powerful operation the powerful operation will be canceled 7 When the powerful ope...

Page 55: ...second time onwards the inhibit time is set according to the time required for defrosting Reverse cycle operation time DEFCOL DEFTIM_COL is set Reverse cycle operation time DEFCOL The time corresponding to outdoor tempera ture is set 9 STARCPIL i i i 1 2 3 4 5 Outdoor fan speed 6 Compressor start control Same as Basic Heating operation 7 Compressor speed 8 Same as Basic Heating operation 55 ...

Page 56: ... indoor humidity are suitable for the Frost Wash Area A B in Fig 3 4 Frost Wash auto start 4 When the Frost Wash is stopped during Frost Wash operation the unit automatically restart Frost Wash at the next operation stop 5 Before the Frost period start the outdoor temperature 16 Or before the defrosting period finish the heat exchanger temperature 0 The Heating period will not running Fan period 1...

Page 57: ...tion and setting Operation conditions 1 A cumulative period of 20 hours after the last filter cleaning and more than 15 minutes in the air conditioner operation time immediately beforehand and when the air conditioner is stopped the product will clean itself 2 If the product stops due to the sleep timer or OFF timer the product will not clean itself even if 1 above holds 3 For everyday users of th...

Page 58: ...aning During a continuous run with an interval of up to eeprom 5 minutes the product will not accept signals from the remote control unit To protect the machine avoid continuous manual cleaning Allow for an interval of more than 5 minutes between operations Indicate the above in the operation manual Operation diagram 1 for filter cleaning initialization and automatic cleaning Initialization More t...

Page 59: ...le cleaning Manual cleaning possible more than 5 minutes after the last cleaning and when the product is stopped Operation diagram for filter cleaning 3 timer stopped More than 70 cumulative operating hours Automatic cleaning when the timer is stopped Power Operation stop key Sleep key Manual cleaning key Product operation Initialization dust box Dust box initialization Limit switch Initialization...

Page 60: ...the cleaning unit will be returned to its initial position 2 The cumulative count of operating hours will be initialized only when the cleaning has come to a normal end 1 If the air conditioner auto fresh holds while the product is stopped it will start to clean itself after that operation is over 2 Automatic cleaning 3 Manual cleaning 1 This will not be activated during initialization or automati...

Page 61: ...econds off 1 second 1 If the limit switch is not detected 200 170 30 30 is the safety time after startup the product will be considered to have an arrival error 2 If the startup side limit switch is detected during reversing the product will stop for 5 seconds and restart itself in the direction of advance 3 If 2 arrival errors are finalized the product will be considered to have an error Operatio...

Page 62: ...M MODEL RAK 50PSEW RAC 50WSE RAK 50PSES RAC 50WSE Silencer Silencer Silencer Silencer OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT MODEL RAK 25PSEW RAC 25WSE RAK 35PSEW RAC 35WSE RAK 25PSES RAC 25WSE RAK 35PSES RAC 35WSE 62 ...

Page 63: ... terminal board cover and dust box 3 Pull the center of the front cover towards you and release the claw in the middle 1 Push the end of the right side arm outward to release the tab 2 Move the left side arm outward to release the left tab and then pull the panel towards you PUSH Arm Arm Screw Terminal cover Lower cover Release the 3 claws on top of front cover and 2 claws in front remove the fron...

Page 64: ...screw that fixes the ground wire to the electrical patrs box 4 Push the Control P W B slightly towards the right side and remove the Control P W B 1 From the FC guide frame remove the lead wire 2 Press the FC guide frame fixed claw right side Remove the ECO sensor from the rear 3 Cleaning unit 4 Control P W B components 5 ECO sensor ground wire screw 6 The dust catcher 7 Tangential air flow fan an...

Page 65: ...x the WIFI cable with tape to the front panel 5 Insert the WIFI cable into the WIFI adapter 6 Close the front panel indication box wire WIFI cable tape CN7 Cabinet Claw Lower bearing cover 3 Pull fan motor out of the remove the right 6 Remove the fan and bearing from the left 4 Remove the screws from the upper and lower 5 Remove the locking hook of the lower bearing bearing covers cover from the C...

Page 66: ...rical parts Procedure for Disassembly and Reassembly Fig 2 3 Remove the electrical box lock screw 4 Remove the terminal cover lock screw 5 Remove each connector and earth cable from x o b l a c i r t c e l e e h t e v o m e r n e h T e r i w d a e l e h t 3 Remove the front cover lock screw 4 Lower the right side of the front cover and pull it forward Then remove the cover from the hook 5 Pull the...

Page 67: ...DESCRIPTION OF MAIN CIRCUIT OPERATION RAK 25 35 50PSEW RAK 25 35 50PSES 67 ...

Page 68: ...aveform of each part when switching ON the power and when shutting down is shown in the Fig 2 2 After switching ON the power pin of IC501 supply voltage and pin of microcomputer becomes Hi when DC5V line rises and reaches approximately 4 4V or higher Then resetting will be cancelled and microcomputer starts operating After shutting down the power pin of IC501 supply voltage and pin of microcompute...

Page 69: ...per revolution of the motor shaft By counting the pulse rate the microcomputer recognizes the motor speed thereby performing feedback control Typical circuit waveform 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 The circuit check For test Na...

Page 70: ...quare signal is output from buzzer output pin 32 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 el...

Page 71: ... 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 6 Initial Setting Circuit IC531 24 25 71 ...

Page 72: ...m 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 R403 C403 R407 89 9 Heat Exchanger Thermistor Circuit Heat exchanger temperature is noticed inside the room 1 Preheating 2 Low temperature defrosts at cooling and dehumid...

Page 73: ...10 10 10 10 10 DSW1 73 ...

Page 74: ...modulated 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 pa...

Page 75: ...ne leftˉ Vertical vane leftˉ Vertical vane leftˉ Lateral vaneˉ Lateral vaneˉ Lateral vaneˉ Lateral vaneˉ Microcomputer Fig 12 1 9 9 1 36 35 34 33 1 9 0 0 12 Stepping motor drive circuit 61 60 59 58 Horizontal sweep motor Vertical sweep motor Each stepping motor runs as excited in 1 or 2 phases at 100 PPS or 200 PPS The excitation pattern passes the microcomputer and then the driver IC and excites ...

Page 76: ...nd a low voltage output from the infrared sensor P W B will be magnified by the amplifier comparator and be transformed the digital signal to microcomputer MICON The infrared sensor output is Hi when the activity level is not detected On the contrary output is Lo If the connector CN22 is not inserted it will be considered as no infrared sensor and no self diagnosis indication Fig 13 1 Sensor P W B...

Page 77: ...mponent passing the driver IC IC711 and powering the cleaning unit driving motor The cleaning unit driving motor will by using the driver IC IC711 perform micro step sine wave drive excitation of W1 2 When moving from the right to the left the motor current will show a waveform as illustrated in the chart below The waveform may change slightly according to the rotation speed Phase B Phase A The cl...

Page 78: ...cked position and stops at the initial position at the right end Lock judgment is performed by the strains in the motor current waveform and recognizing the changes in the microcomputer input by using the current detection circuit At that time the change ratio of the microcomputer input is recognized to have exceeded the level of about 15 and is then judged to have locked Secondly when the wiper i...

Page 79: ...RL1 RL1 RL2 5 5 5 5 79 ...

Page 80: ...Load side is a high voltage line please be careful from electric shock and install the Indica on Lamp as near as possible to the Relay Kit The maximum length of the wiring cable should be below 100m 80 ...

Page 81: ...L N 300 330 Main parts L N C021 C022 37 5 420V 1 5 DESCRIPTION OF MAIN CIRCUIT OPERATION RAC 25 35WSE 81 ...

Page 82: ...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 Fig 2 1 82 ...

Page 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 ...

Page 84: ...essor starts operation the current is applied twice at the interval of 1 sec as shown in Fig 4 1 During forced cooling operation just after the forced cooling switch turns on the current is applied twice at the interval of 1 sec as shown in Fig 4 1 When the operation stops the position of the valve before the stop is held Before checking the application of current to the reversing valve 4 way Valv...

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

Page 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 ...

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

Page 88: ...2A DC300 330V 60 100 88 ...

Page 89: ...L N 300 330 L N 50WSE 89 ...

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

Page 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 ...

Page 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 ...

Page 93: ...starts operation the current is applied twice at the interval of 1 sec as shown in Fig 4 1 During forced cooling operation just after the forced cooling switch turns on the current is applied twice at the interval of 1 sec as shown in Fig 4 1 When the operation stops the position of the valve before the stop is held Before checking the application of current to the reversing valve 4 way Valve disc...

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

Page 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 ...

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

Page 97: ...2A DC300 330V 30 60 97 ...

Page 98: ...begin with a slight fan speed operation producing a weak fan speed for 30 seconds and then switch to strong 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 for frost and if there is any frost conduct defrosting and then stop operating A1 A...

Page 99: ... 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 ad ust the temperature setting to match the living space to a comfortable temperature A4 The difference between the thermometer temperature setting and room temperature will change the rotation speed of the compressor This is not a sign of a brea...

Page 100: ...time The timer cannot be set unless it is set to the current time A1 When set to the current time setting the reading blinks for about 3 minutes Wireless remote control I set the sleep timer during operation But the indoor fan will not run it will not produce wind wind intensity will not change Q5 I tried to change the setting with the room temperature button of the remote control unit in vain Q6 ...

Page 101: ... unit The clean lamp will go on for 1 second and off for 1 second for a total of 10 seconds Is the product set to disable filter cleaning Set it back to a setting to enable filter cleaning The clean lamp will go on for 1 second and off for 1 second for a total of 10 seconds Are the micro mesh stainless steel filter dust catcher filter cleaning wiper and wiper cover correctly installed The clean la...

Page 102: ...lter If you wish to conduct manual filter cleaning at a desired time while filter cleaning is disabled then dirt may remain depending on the amount of dust or dirt A5 The cleaning unit has stopped midway Q4 Are the micro mesh stainless steel filter dust catcher and filter cleaning wiper and wiper cover correctly installed The clean lamp will go on for 4 seconds and off for 1 second A4 102 ...

Page 103: ...er any circumstances get your hand or metal part into contact with the cabinet Danger Do not install a grounding Inspection instructions 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 points...

Page 104: ...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...

Page 105: ...oor 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 ailure modes can be checked by both the blinking of the lamp of the indoor unit and the display of the r...

Page 106: ...t 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 intermission 2 second intermission DE...

Page 107: ...92 107 ...

Page 108: ...ical parts in the outdoor unit Room thermistor or heat exchanger thermistor is opened circuit or short circuit OH thermistor is operating Thermistor is opened or shorted When indoor unit is not connected it blinks similarly not malfunction 1 Fan motor 2 Outdoor condition wind 1 P W B s 1 Indoor interface circuit Overcurrent is detected at the DC fan motor of the indoor unit Outdoor interface circu...

Page 109: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 25 35WSE 109 ...

Page 110: ...SELF DIAGNOSIS LIGHTING MODE MODEL RAC 50WSE 110 ...

Page 111: ...ry 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 operat...

Page 112: ...e sunshine operating hours 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 diagno...

Page 113: ...Check 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 ǂǂǂ...

Page 114: ...ngle 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 t...

Page 115: ...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...

Page 116: ...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...

Page 117: ...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...

Page 118: ... 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...

Page 119: ...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...

Page 120: ...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...

Page 121: ...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...

Page 122: ...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...

Page 123: ...om 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 elec...

Page 124: ... 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 abnormality in the microcomputer or LED Check the indoor electrical parts It may have a power relay abnormality communication error or something similar Replace the outdoor electrical parts in the case of an abnormality in the power...

Page 125: ... 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 cooling switch and check the blinking fre...

Page 126: ...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...

Page 127: ... 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 ...

Page 128: ...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...

Page 129: ...e 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 an...

Page 130: ...e TEMPERATURE button to change the shift value The shift value is changed with a beep Please check the transmission sign and a beep NOTE 1 The indication of the changed shift value and symbol of COOLING or HEATING will disappear after 10 seconds Reduce 3 deg from the value Reduce 2 deg from the value Reduce 1 deg from the value The initial setting value Increase 1 deg from the value Increase 2 deg...

Page 131: ...he power breaker for other unit shallbe OFF Open the slide cover of remote controller Direct remote controller towards the receiver of changing indoor unit and press RESET button while pressing 1 6 button and ON button Transmission Notes If indoor unit didnot receive the signal setting shall be made When the indoor unit receive the signalfrom remote controller beep sound Pip will emit Please check...

Page 132: ...OFF 1 2 Once again 1 1 operation Heating operation mode lock is cancelled 2 Cooling opearation mode lock 10 secondsindicate ENTER CANCEL LOCK Modeselect Heating or Fan only or ECO Sleep Timer or Filter Cleaning 2 Once again 2 1 operation Cooling operation mode lock is cancelled NOTE 1 The indication of LOCK and MODE symbols will disappear after 10 seconds 2 The OPERATION MODE LOCK setting is memor...

Page 133: ... RESET button at one time Stop pressing RESET button only and make sure that all marks on the LCD display are indicated then stop pressing the INFO button and COPY PASTE button Remote controller enters DISPLAY OPERATION MODE for indoor unit independently Please check that press FAN button and blinks 2 MODE select then press START STOP button Indoor unit starts to operate independently operation mo...

Page 134: ...e 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 when about 30 sec elaps...

Page 135: ...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 6 35 mm 3 8 9 52 mm 2 Copper pipe 1 4 and 3 8 Connect the small diameter service valve and the large diameter service valve using the reducing union and coppe...

Page 136: ... 9 11 8 10 32 7 14 15 16 17 18 22 2 1 4 24 6 25 23 26 30 31 34 35 19 20 5 46 47 48 41 37 37 36 44 40 38 43 39 42 45 13 12 28 29 27 INDOOR UNIT MODEL PARTS LIST AND DIAGRAM RAK 25 35 50PSEW RAK 25 35 50PSES 136 ...

Page 137: ...GHT OF CLEANING UNIT 40 1 WIPER BRUSH 41 1 WIPER ASSEMBLY 42 1 AUTO SWEEP MOTOR 43 1 CORD 4P FOR AUTO SWEEP MOTOR 44 1 FILTER CLEANING UNIT 45 1 HEAT INSULATING MATERIAL FOR REFRIGERATING PIPE SET WHEN INSTALLING 46 1 LINK PLATE 47 10 VERTICAL AIR DEFLECTOR 48 1 VERTICAL AIR DEFLECTOR ASSEMBLY HWRAK 25PSEW A13 HWRAK 25PSEW A14 HWRAK 25PSEW A27 HWRAK 25PSEW A28 HWRAK 25PSEW A29 HWRAS SX10HAK A62 HW...

Page 138: ...38 39 37 17 15 18 13 14 11 10 34 46 33 19 20 21 24 23 22 28 30 32 25 41 31 8 5 6 7 16 4 36 29 26 35 9 OUTDOOR UNIT MODEL PARTS LIST AND DIAGRAM RAC 25WSE RAC 35WSE 3 12 47 48 42 43 44 45 40 138 ...

Page 139: ...ECTRIC PARTS PLATE 41 1 ELECTRIC PARTS COVER 42 1 SUPPORT P W B 43 1 HEAT SINK 44 HWRAC 25WSE A07 HWRAC 35WSE A01 1 P W B MAIN 45 1 TERM PLATE 46 1 TERMINAL BOARD 5P 47 1 FUSE 15A 48 2 FUSE 3 15A NO Q TY UNIT PARTS NAME JCH WH PARTS NO HWRAC 50WPC A01 HWRAC 25WXD A01 HWRAC 50NX2 A04 HWRAC 25WXD A02 HWRAC 50NX2 A17 HWRAC 25WXD A03 HWRAC 10GH5 A03 HWRAC 50WEA A06 HWRAC 50WED A03 HWRAC 25WXD A04 HWRA...

Page 140: ...18 9 6 4 16 19 17 8 7 49 15 10 14 12 54 13 3 35 11 48 5 20 21 22 25 24 23 29 28 51 26 44 27 36 42 43 32 37 39 41 38 33 31 39 53 34 52 45 30 50 OUTDOOR UNIT MODEL PARTS LIST AND DIAGRAM RAC 50WSE 46 47 140 ...

Page 141: ...RAC 50WXB A28 THERMISTOR DEFROST HWRAC 50WED A10 FAN MOTOR HWRAC 50WXB A07 PROPELLER FAN HWRAC 50NX2 A25 NUT PROPELLER FAN HWRAC 50WXD A11 PARTITION HWRAC 50WED A09 REACTOR HWRAC 50WXD A12 FAN MOTOR SUPPORT HWRAC 50WXB A12 DISCHARGE GRILL HWRAC 50WED A17 FUSE 25A HWRAC 50WXB A14 THERMI C HWRAC 50WXB A09 NET LEFT HWRAC 50WXB A10 LEFT PLATE HWRAC 50WXDN A04 FRONT COVER HWRAC 50WXB A18 TER PLATE HWRA...

Page 142: ...RAK 25PSEW RAC 25WSE RAK 35PSEW RAC 35WSE RAK 50PSEW RAC 50WSE RAK 25PSES RAC 25WSE RAK 35PSES RAC 35WSE RAK 50PSES RAC 50WSE JCH WH NO 0124E 142 ...

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