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Hitachi RAC-08LH1 Service Manual Download Page 6

– 4 –

SPECIFICATIONS

                                                                           

MODEL

FAN MOTOR

FAN MOTOR CAPACITOR

FAN MOTOR PROTECTOR

COMPRESSOR

COMPRESSOR MOTOR CAPACITOR

OVERLOAD PROTECTOR

OVERHEAT PROTECTOR

FUSE (for MICROPROCESSOR)

POWER RELAY

POWER SWITCH

TEMPORARY SWITCH

SERVICE SWITCH

TRANSFORMER

VARISTOR

FUSE CAPACITY (TIME DELAY FUSE)

THERMOSTAT

REMOTE CONTROL SWITCH 
(LIQUID CRYSTAL)

RAS-08LH2/RAS-08LH2(B)
RAS-10LH2/RAS-10LH2(B)
RAS-14LH2/RAS-14LH2(B)

20 W

NO

NO

–

NO

NO

NO

3.15A

G4A

YES

YES

YES

NO

450NR

---------

YES(IC)

YES

---------

---------

  

30 

W

  2.5

μ

F, 450 VAC 

3

μ

F, 450VAC

NO

  20

μ

F, 450 VAC

YES

NO

NO

NO

NO

NO

NO

NO

NO

 

10 A 

15 A

NO

NO

740g

min. 5m

max. 10m

min. 5m

max. 15m

ADDITIONAL 
REFRIGERANT R410A 
AT 5g PER EVERY 
METER IF PIPE 
LENGTH IS MORE 
THAN 5m

ADDITIONAL 
REFRIGERANT 
R410A AT 20g 
PER EVERY 
METER IF 
PIPE LENGTH 
IS MORE 
THAN 8m

UNIT

MAX. PIPES

REFRIGERANT CHARGING 
VOLUME
(Refrigerant R410A)

RAC-08LH1

RAC-14LH1            

RAC-10LH1

5RS080

UG4B124JX

45

μ

F, 450 VAC

700g

540g

5PS112

25

μ

F, 450 VAC

WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE

Summary of Contents for RAC-08LH1

Page 1: ... MAIN CIRCUIT OPERATION 49 AUTO SWING FUNCTION 57 SERVICE CALL Q A 58 PARTS LIST AND DIAGRAM 67 RAS 08LH2 RAS 08LH2 B RAC 08LH1 RAS 10LH2 RAS 10LH2 B RAC 10LH1 RAS 14LH2 RAS 14LH2 B RAC 14LH1 COOLING HEATING INDOOR UNIT RAS 08LH2 RAS 08LH2 B 780 280 220 8 5 After installation RAS 08LH2 RAS 08LH2 B RAS 10LH2 RAS 10LH2 B RAS 14LH2 RAS 14LH2 B RAS 08LH1 RAS 10LH1 RAS 14LH1 OUTDOOR UNIT RAC 8LH1 INDOO...

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

Page 3: ...ing of parts Even rejected goods should be handled in the same way Fig 1 Conductive Container 2 When any part is handled uncovered in counting packing and the like the handling person must always use himself as a body earth Make yourself a body earth by passing 1M earth resistance through a ring or bracelet 3 Be careful not to touch the parts with your clothing when you hold a part even if a body ...

Page 4: ... the screwed part using a rag plate Soldering iron Grounding wire Fig 4 Grounding a soldering iron Use a high insulation mode 100V 10M or higher when ordinary iron is to be used 7 In checking circuits for maintenance inspection or some others be careful not to have the test probes of the measuring instrument shortcircuit a load circuit or the like Metal plate of aluminium stainless steel etc Stapl...

Page 5: ...and re start in a moment there is occasion that the cooling and heating operation does not start for 3 minutes it is not abnormal and this is the result of the operation of IC delay circuit This IC delay circuit ensures that there is no danger of blowing fuse or damaging parts even if operation is restarted accidentally 5 This room air conditioner should not be used at the cooling operation when t...

Page 6: ...RAS 14LH2 RAS 14LH2 B 20 W NO NO NO NO NO 3 15A G4A YES YES YES NO 450NR YES IC YES 30 W 2 5μF 450 VAC 3μF 450VAC NO 20μF 450 VAC YES NO NO NO NO NO NO NO NO 10 A 15 A NO NO 740g min 5m max 10m min 5m max 15m ADDITIONAL REFRIGERANT R410A AT 5g PER EVERY METER IF PIPE LENGTH IS MORE THAN 5m ADDITIONAL REFRIGERANT R410A AT 20g PER EVERY METER IF PIPE LENGTH IS MORE THAN 8m UNIT MAX PIPES REFRIGERANT...

Page 7: ...piping should be insulated with the enclosed insulation pipe If the insulator is insufficient please use commercial products The difference in height between the indoor and outdoor unit should be kept max 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 conn...

Page 8: ... outdoor unit may catch fire if flammable gas leaks around it Please ensure smooth flow of water when installing the drain hose CAUTION PRECAUTIONS DURING SHIFTING OR MAINTENANCE Should abnormal situation arises like burning smell please stop operating the unit and turn off the circuit breaker Contact your agent Fault short circuit or fire may occur if you continue to operate the unit under abnorm...

Page 9: ...unt of heat in the room is above the cooling or heating capability of the unit for example more people entering the room using heating equipments and etc the preset room temperature cannot be achieved This appliance is not intended for use by young children or infirm persons unless they have been adequately supervised by a responsible person to ensure that they can use the appliance safely Young c...

Page 10: ... page 9 Horizontal deflector Vertical deflector Air Outlet Refer page 20 Remote controller Send out operation signal to the indoor unit So as to operate the whole unit Refer page 10 WIDTH mm 780 700 MODEL RAS 08LH2 10LH2 14LH2 RAS 08LH2 B 10LH2 B 14LH2 B RAC 08LH1 10LH1 14LH1 HEIGHT mm 280 468 DEPTH mm 220 258 MODEL NAME AND DIMENSIONS OUTDOOR UNIT RAC 08LH1 RAC 10LH1 RAC 14LH1 CAUTION When heatin...

Page 11: ...N INDICATOR FILTER LAMP When the device is operated for a total of about 100 hours the FILTER lamp lights to indicate that it is time to clean the filter The lamp goes out when the POWER SWITCH set to OFF and ON again OPERATION LAMP This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating 1 During preheating For about 2 3 minutes after starting up 2 During...

Page 12: ...erature setting Keep pressed and the value will change more quickly TIME button Use this button to set and check the time and date RESET buttons FUNCTION selector Use this button to select the operating mode Every time you press it the mode will change from AUTO to HEAT to DEHUMIDIFY to COOL and to FAN cyclically FAN SPEED selector This determines the fan speed Every time you press this button the...

Page 13: ...n Operation starts with a beep Press the button again to stop operation You can raise or lower the temperature setting as necessary by maximum of 3 C Press the temperature button and the temperature setting will change by 1 C each time The preset temperature and the actual room temperature may vary somewhat depending on conditions The display does not indicate the preset temperature in the AUTO mo...

Page 14: ... has been reached HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Quiet LOW More quiet Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The range of 18 22 C is recommended as the room temperature for heating If the temperature setting is 20 C the room temperature will be controlled at around 20 C The te...

Page 15: ... of the temperature setting The function will stop the indoor unit will stop emitting air as soon as the room temperature becomes lower than the setting temperature Set the desired room temperature with the TEMPERATURE button the display indicates the setting The range of 20 26 C is recommended as the room temperature for dehumidifying Press the START STOP button Dehumidifying operation starts wit...

Page 16: ...TURE button the display indicates the setting The range of 25 28 C is recommended as the room temperature for cooling If the temperature setting is 27 C the room temperature will be controlled at around 27 C The temperature setting and the actual room temperature may vary some how depending on conditions Press the START STOP button Cooling operation starts with a beep Press the button again to sto...

Page 17: ... setting temperature is large fan starts to run at HI speed After room temperature reaches the preset temperature the cooling operation which changes the fan speed and room temperature to obtain optimum conditions for natural healthful cooling will be performed For the cooling operation FAN OPERATION You can use the device simply as an air circulator Use this function to dry the interior of the in...

Page 18: ...ign goes out with a beep and the TIMER lamp turns off on the indoor unit 1 Set the current month and day with the TIMER control button 1 Press the OFF TIMER button The OFF mark blinks on the display NOTE You can set only one of the OFF timer ON timer and ON OFF timer The device will turn on at the designated times TIME DAY MONTH current time day month OFF TIMER ON TIMER RESERVE CANCEL RESET 1 Pres...

Page 19: ...e RESERVE button The ON mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit 2Set the turn on time with the TIMER control button Example The device will turn off at 10 30 p m and then automatically turn on earlier so that the preset temperature can be reached at 7 00 a m The settings of the turn on off times are now comple...

Page 20: ...the remote controller The TIMER lamp lights with a beep from the indoor unit When the sleep timer has been set the display indicates the turn off time Example If you set 3 hours sleep time at 11 38 p m the turn off time is 2 38 a m 2 Press the SLEEP button and set the sleep timer The device will be turned off by the sleep timer and turned on by on timer How to Cancel Reservation Point the signal w...

Page 21: ...D will be set to LOW setting 60 minutes after the setting of the sleep timer Fan Heating The room temperature will be controlled 5 C below the temperature and the FAN SPEED will be set to LOW setting 60 minutes after the setting of the sleep timer If date or current time is not set sleep timer can not be set If you set the sleep timer after the off on off or off on timer has been set the sleep tim...

Page 22: ...equired before the deflector starts to move Use the horizontal air deflector within the adjusting range shown on the right When the operation is stopped the horizontal air deflector moves and stops at the position where the air outlet closes RESET Adjustment of the conditioned air in the upward and downward directions The horizontal air deflector is automatically set to the proper angle suitable f...

Page 23: ...gure and take out the old batteries 2 Install the new batteries The direction of the batteries should match the marks in the case 1 Do not use new and old batteries or different kinds of batteries together 2 Take out the batteries when you do not use the remote controller for 2 or 3 months CAUTION ...

Page 24: ...th your wake up time in the morning This will enable you to enjoy a comfortable room temperature Please use the timer effectively Dusty pre filter will reduce the air volume and the cooling efficiency To prevent from wasting electric energy please clean the pre filter every 2 weeks Please pay attention to the room temperature and air flow direction when operating the unit for baby children and old...

Page 25: ... LED UV LED will be ON when the START STOP button is pressed except for FAN only operation During selected operation this UV LED will be ON and OFF Light UV glare is visible when the UV LED is ON and this is normal not malfunction Product Operating Life This term is valid only for the products being purchased on the territory of Russian Federation In accordance with the article 5 2 of the Law On P...

Page 26: ...y qualified service personal Before cleaning stop operation and switch off the power supply CAUTION Do not bend the air purifying filter as it may cause damage to the structure Please do not smell direct from source of filter NOTE In case of removing the air purifying filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when the ...

Page 27: ... soft bristle brush Allow pre filters to dry in shade 3 Re insert the air purifying filters to the filter frame Set the pre filter with FRONT mark facing front and slot them into the original state After attaching the pre filters push the front panel at three arrow portions as shown in figure and close it CAUTION Do not wash with hot water at more than 40 C The filters may shrink When washing it s...

Page 28: ...t indicators or signal receiver of indoor unit it causes trouble Method of removing the front panel Be sure to hold the front panel with both hands to detach and attach it CAUTION Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit Never use hot water above 40 C benzine gasoline acid thinner or a brush because they will damage the plastic surface ...

Page 29: ...g proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol or coloured green or green and yellow The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black The wire which is coloured brown must be connected to the terminal which is ...

Page 30: ...of refrigerant in the refrigerating cycle 2 Slight rubbing noise from the fan casing which is cooled and then gradually warmed as operation stops The odor will possibly be emitted from the room air conditioner because the various odor emitted by smoke foodstuffs cosmetics and so on sticks to it So the air filter and the evaporator regularly must be cleaned to reduce the odor Please contact your sa...

Page 31: ...ply Companies are to be observed Minimum Maximum Minimum Maximum Indoor Dry bulb C 21 32 20 27 Wet bulb C 15 23 12 19 Outdoor Dry bulb C 21 43 10 21 Wet bulb C 15 26 15 Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below 21 C 70 F The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below Cooling Heatin...

Page 32: ...is required above the unit 2 Insulated pipes should be used for both the narrow and wide dia pipes 3 Piping length is within 15m RAS 14LH2 RAS 14LH2 B 10m RAS 08LH2 RAS 08LH2 B RAS 10LH2 RAS 10LH2 B 4 Height different of the piping between the indoor unit and the outdoor unit should be within 5m 5 Power supply cord length is about 2m 6 Connecting cable 2 5mm dia x 3 AB Line 1 6mm dia x 2 CD Line i...

Page 33: ... 31 MODEL RAC 08LH1 RAC 10LH1 RAC 14LH1 ...

Page 34: ...63 1 18 0 64 4 OFF 16 7 62 1 18 6 63 4 ON 25 3 77 5 26 0 78 8 OFF 24 7 76 5 26 6 77 8 ON 33 3 91 9 34 0 93 2 OFF 32 7 90 9 34 6 92 2 MODEL RAS 08LH2 10LH2 14LH2 RAS 08LH2 B 10LH2 B 14LH2 B RAC 08LH1 10LH1 14LH1 PHASE RATED VOLTAGE SINGLE RATED FREQUENCY DC35V 220 240V TEMPERATURE C F OUTPUT POLE NUMBER 6 20 W 30W 50 Hz RESISTANCE VALUE 20 C 75 C RM 350 0 RA 195 0 RM 425 6 RA 237 1 RAS 08LH2 10LH2 ...

Page 35: ...F 75 C 167 F RESISTANCE VALUE CAUTION When the Air Conditioner has been operated for a long time with the capillary tubes clogged or crushed or with too little refrigerant check the color of the refrigerant oil inside the compressor If the color has been changed conspicuously replace the compressor RM 5 193 RA 5 557 EXTERNAL OVERLOAD RELAY INTERNAL PROTECTOR YES NO RM 3 08 RA 2 81 RM 3 166 RA 4 57...

Page 36: ... 34 WIRING DIAGRAM MODEL RAS 08LH2 10LH2 RAS 08LH2 B 10LH2 B RAC 08 10LH1 RAS 63CHA1 RAC 63CHA1 ...

Page 37: ... 35 WIRING DIAGRAM MODEL RAS 14LH2 14LH2 B RAC 14LH1 RAS 63CHA1 RAC 63CHA1 ...

Page 38: ...C IN 35 SEG0 45 VL C3 36 COM3 44 VL C2 37 COM2 43 VL C1 38 COM1 42 P31 39 COM0 41 P30 40 IC1 M34550M6X 5XXFP SW1 SW 187 2P R1 100K R1 10 R15 100K P01 P02 P03 P10 P11 P12 P13 P40 P41 P42 P43 P00 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 SEG0 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 ...

Page 39: ... 39 PRINTED WIRING BOARD LOCATION DIAGRAM MODEL RAS 08LH2 10LH2 14LH2 RAS 08LH2 B 10LH2 B 14LH2 B RAC 08LH1 10LH1 14LH1 ...

Page 40: ... 41 BLOCK DIAGRAM MODEL RAS 08LH2 10LH2 14LH2 RAS 08LH2 B 10LH2 B 14LH2 B RAC 08LH1 10LH1 14LH1 ...

Page 41: ...e room temperature A shift is not accepted at the time of operation start There is no switching between modes after start of operation When the operation is started again within 20 min after stop with the start stop button operation will be executed in the previous mode The operation details are the same as for each operation mode The set temperature is set with the room temperature adjustment but...

Page 42: ...Differential C 0 66 Low temperature T1 ON C 1 0 defrosting Reset C 12 0 Preheating Reset C 25 0 ON C 15 0 Pd cut 1 T3 ON C 50 0 43 T4 Reset C 47 0 39 Pd cut 2 T6 ON C 63 0 T7 Reset C 57 0 T5 Fan Relay H Original C 43 0 Pd cut 3 T8 ON C 71 0 T9 Reset C 63 0 Table 1 Specifications Table 2 Sensor operation values Other detailed specifications 1 When the room temperature rises within 3 minutes after t...

Page 43: ...0 min Obtain OT moved up time depending on the temperature difference from the table below 10 NICE TEMPERA TURE reservation Heating Cooling Setting temp Room temp Time min Setting temp Room temp Time min 00 01 00 00 00 00 02 00 00 01 25 03 00 10 02 25 05 00 15 03 25 07 00 20 05 25 08 00 30 07 25 10 00 30 08 25 11 00 45 10 25 13 00 40 11 25 60 13 25 16 00 50 16 25 19 00 60 19 25 22 00 60 22 25 The ...

Page 44: ... 48 REFRIGERANT CYCLE DIAGRAM MODEL RAS 08LH2 RAS 08LH2 B RAC 08LH1 MODEL RAS 10LH2 RAS 10LH2 B RAC 10LH1 ...

Page 45: ... 49 MODEL RAS 14LH2 RAS 14LH2 B RAC 14LH1 ...

Page 46: ... 50 DESCRIPTION OF MAIN CIRCUIT OPERATION 1 ON OFF The ON OFF and Timer reserve button and Sleeping function independently Their operations are shown in Fig 1 1 Fig 1 1 Timer operation ...

Page 47: ... DC 5V lines are increased When the voltage of DC 35V lines reaches about 27V ZD201 is turned ON the potential of Q201 s base rises and Q201 is turned ON Since Q201 s collector is set to LO at this time Q202 is turned ON and the reset input of the micro computer is set to Hi The DC 5V line voltage has already become stable at this time and the micro computer starts operation When the power is turn...

Page 48: ... 3 2 Buzzer Operation When the buzzer sounds an approx 3 9kHz square signal is output from buzzer output pin 21 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 Fig 3 1 Buzzer Circuit ...

Page 49: ...protect the compressor wait at least 3 minutes before turning on again The fan speed is MED Does not operate is 12V is not generated in the control circuit When the service switch is used for operation each change switch is overridden Setting the service switch to Cooling turns on the Power relay 0V R630 0V R629 C602 33 R614 Service 5 Receive circuit Infrared signals from the wireless remote contr...

Page 50: ...circuit the signals shown in Fig 7 2 are output from pins 48 51 of the micro computer Fig 7 2 Micro computer Output Signals As the micro computer s outputs change as shown in Fig 7 2 the core of the auto sweep motor is excited to turn the rotor Table 7 1 shows the rotation angle of horizontal air deflectors Rotation angle per step 0 0879 7 47 Time per step ms 10 850 Horizontal air deflectors motor...

Page 51: ...e thermistor circuit The voltage at A depends on the room temperature as shown in Fig 8 2 The circuit detects the indoor heat exchanger temperature and controls the following 1 Low temperature defrosting during cooling and dehumidifying operation The voltage at A depends on the heat exchanger temperature as shown in Fig 9 2 ...

Page 52: ...power supply and controls the fan motor speed Q901 is switched on and off according to the signal at fan PWM output pin 57 to control the voltage which is smoothed by D902 L901 and C901 to drive the fan motor The output voltage is divided by R919 and R920 and is input to divided voltage output pin 8 the micro computer controls the fan PWM output so the output voltage is set to the specified value ...

Page 53: ... 57 ...

Page 54: ...MODE ONE SWING CLOSING AIR DEFLECTOR 1 DOWNWARD 2 UPWARD INITIALIZE 1 DOWNWARD INITIALIZE 1 DOWNWARD 2 UPWARD STOP AT THE MOMENT START SWINGING 1 DOWNWARD 2 UPWARD 3 DOWNWARD STOP AT THE MOMENT START SWINGING 1 DOWNWARD 2 UPWARD 3 DOWNWARD STOP AT THE MOMENT ONE SWING CLOSING AIR DEFLECTOR 1 DOWNWARD 2 UPWARD INITIALIZE AT NEXT OPERATION INITIALIZE AT NEXT OPERATION STOP DURING ONE SWING STOP DURI...

Page 55: ...m temperature is compared with the room temperature setting when starting the operation and the operation is as follows 1 W h e n a c t u a l r o o m t e m p e r a t u r e r o o m temperature setting The operation is according to the room temperature setting on the remote controller 2 When actual room t e m p e r a t u r e r o o m temperature setting Regardless of the room temperature setting the ...

Page 56: ... speed followed by MED fan speed for 30 seconds and then by HI fan speed A8 Q7 The operation stops during a heating operation while the room temperature is set at 30 Q9 If a heating operation is performed when the exterior temperature is high the operation may stop to protect the equipment A9 The outdoor fan does not move at a heating operation by the service switch It is not a trouble When heatin...

Page 57: ...erature cannot be controlled at an automatic operation Q14 It is automatically set as follows At cooling Set at 27 C At dehumidifying S e t s l i g h t l y lower than room temperature The room temperature setting can be raised 3 C by or lowered 3 C by V A14 When changing the room temperature setting in an automatic operation the next automatic operation mode is determined by new room temperature s...

Page 58: ...changing the time setting A16 In the Automatic fan speed mode the indoor fan changes to MED and LO fan speed Q17 It is not a trouble The cold wind preventive function operates A17 Set the temporary switch normal In case of ON timer the operation does not start at a preprogrammed time but a little earlier Q18 Nice temperature reservation The Nice temperature reservation functions The operation star...

Page 59: ... causes no transmission either Q21 The room temperature is settable within the range of 16 32 and not beyond A21 The timer cannot be set Q22 Is the current time set The timer cannot be set unless the clock is adjusted correctly A22 V The current time disappears soon Q23 The current time disappears soon and the timer settting indication takes a precedence A23 When setting the current time its indic...

Page 60: ...me over the pre programmed time As soon as the prepro grammed time is reached the time setting disappears A24 A f t e r s e l e c t i n g a Dehumidifying operation mode the fan speed mode remains LO fan speed Q25 At a Dehumidifying operation the LO fan speed is forcibly selected A25 ...

Page 61: ...lectric parts and replace if abnormal 4 Thermal fuse for Terminal board 2 Before checking the varistor detach a terminal NO Operates by setting the service switch to forced cooling Return the service switch to Normal Set the remote controller to an operation status and press the ON OFF button Is the level LO approx 0 5V between driver IC501 pin 10 power relay and 0V NO YES Compressor does not turn...

Page 62: ...or indicator lamp Fan Speed RAS 08LH2 RAS 08LH2 B RAC 08LH1 3 Replace faulty part 4 Wait for 3 minutes before forced re operation by the service switch CN6 BLUE RED V Cool Heat 24 4 18 8 14 1 11 0 25 3 17 9 15 0 15 0 HI MED LO SLEEP MODE RAS 10LH2 RAS 10LH2 B RAC 10LH1 RAS 14LH2 RAS 14LH2 B RAC 14LH1 Cool Heat 24 7 19 0 17 1 11 9 22 9 19 7 16 6 16 6 Cool Heat 27 1 20 7 18 5 13 5 29 0 22 1 19 3 19 ...

Page 63: ...Force cooling operation Unit is under forcible operation or under balancing after forcible operation Check force cooling switch at indoor electrical IC 401 Data read wrongly In case that data read from IC401 is wrong IC401 data is not in order Heat exchanger thermistor error Heat exchanger thermistor open or short circuit detected 1 Thermistor 2 Indoor control circuit board Room thermistor error R...

Page 64: ... 68 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL RAS 08LH2 RAS 10LH2 RAS 14LH2 RAS 08LH2 B RAS 10LH2 B RAS 14LH2 B ...

Page 65: ...H4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 08CH9 R02 1 FRONT COVER ASSY 13 PMRAS S10CY 004 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 08LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER SW S...

Page 66: ...H4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 08CH9 R02 1 FRONT COVER ASSY 13 PMRAS S10CY 004 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 10LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER SW S...

Page 67: ...H4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 14LH1 R02 1 FRONT COVER ASSY 13 PMRAS S10CY 004 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 14LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER SW S...

Page 68: ...YH4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 08CH9B R01 1 FRONT COVER ASSY 13 PMRAS 08CH9B R02 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 08LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER S...

Page 69: ...YH4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 08CH9B R01 1 FRONT COVER ASSY 13 PMRAS 08CH9B R02 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 10LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER S...

Page 70: ...YH4 S29 1 AUTO SWEEP MOTOR 12 PMRAS 14LH1B R01 1 FRONT COVER ASSY 13 PMRAS 08CH9B R02 1 FRONT PANEL 14 PMRAS 08CH8 008 1 AIR FILTER R 15 PMRAS 08CH8 009 1 AIR FILTER L 16 PMRAS 51CHA1 R11 1 REMOTE CONTROL ASSEMBLY 17 PMRAS 10C3M 003 1 REMOTE CONTROL SUPPORT 18 PMRAS 25YH4 S15 1 SPRING 19 PMRAS 260GHA R01 1 THERMISTOR 20 PMRAS 14LH1 R01 1 P W B MAIN AND INDICATION 21 PMRAS 07GH4 R04 1 P W B POWER S...

Page 71: ... 75 PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAC 08LH1 ...

Page 72: ... S04 1 D GRILL 11 PMRAC 07GH4 901 1 COMPRESSOR 12 PMRA 08GF 904 3 COMPRESSOR RUBBER 13 PMRA 08GF S05 3 COMPRESSOR NUT 14 PMRAC 08LH1 S04 1 CONDENSER 15 PMRAC X13CX 902 1 2S VALVE 16 PMRAC X10CZ S17 1 3S VALVE 17 PMRAC 14CH1 901 1 FAN MOTOR CAPACITOR 18 PMRAC 25NH4 S13 1 TERMINAL BOARD 4P 19 PMRAC 07GH4 S06 1 COMPRESSOR CAPACITOR 20 PMRAC 08LH1 S07 1 REVERSING VALVE 21 PMRAC S18HPA S01 1 MG COIL 22...

Page 73: ... 77 PARTS LIST AND DIAGRAM OUTDOOR UNIT MODEL RAC 10LH1 RAC 14LH1 ...

Page 74: ...S04 1 D GRILL 11 PMRAC 09GH4 S01 1 COMPRESSOR 12 PMRA 08GF 904 3 COMPRESSOR RUBBER 13 PMRA 08GF S05 3 COMPRESSOR NUT 14 PMRAC 10LH1 S02 1 CONDENSER 15 PMRAC X13CX 902 1 2S VALVE 16 PMRAC X10CZ S17 1 3S VALVE 17 PMRAC 30CHP6 901 1 FAN MOTOR CAPACITOR 18 PMRAC 25NH4 S13 2 TERMINAL BOARD 4P 19 PMRAC 10KH 901 1 COMPRESSOR CAPACITOR 20 PMRAC 260GHA S01 1 REVERSING VALVE 21 PMRAC S18HPA S01 1 MG COIL 22...

Page 75: ...Z S04 1 D GRILL 11 PMRAC S13CAK S01 1 COMPRESSOR 12 PMRAC S13CAK S03 3 COMPRESSOR RUBBER 13 KPNTI 001 3 PUSH NUT 14 PMRAC 14LH1 S02 1 CONDENSOR 15 PMRAC X13CX 902 1 VALVE 2S 16 PMRAC S13CAK S02 1 VALVE 4S 17 PMRAC 30CHP6 901 1 FAN MOTOR CAPACITOR 18 PMRAC 51CHA1 903 1 TERMINAL BOARD 4P 19 PMRAC 24GH4 902 1 COMPRESSOR CAPACITOR 20 PMRAC 07GH4 S03 1 REVERSING VALVE 21 PMRAC S18HPA S01 1 MG COIL 22 P...

Page 76: ...PM NO 0518E Printed in Malaysia RAS 08LH2 RAS 08LH2 B RAC 08LH1 RAS 10LH2 RAS 10LH2 B RAC 10LH1 RAS 14LH2 RAS 14LH2 B RAC 14LH1 ...

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