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Hitachi RAK-18QH8SW Service Manual
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SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
RAK-18QH8S(W)
RAK-18QH8(W)
RAK-25QH8(W)
RAK-35QH8(W)
RAK-50QH8(W)
RAK-18QH8S(B)
RAK-18QH8(B)
RAK-25QH8(B)
RAK-35QH8(B)
RAK-50QH8(B)
NOTE:
This manual describes only points that differ from
PM No. 0270E, PM No. 0312E, PM No. 0322E &
PM No. 0371E for items not described in this manual.
SPECIFICATIONS
TYPE
MODEL
POWER SOURCE
TOTAL INPUT
TOTAL AMPERES
COOLING
CAPACITY
TOTAL INPUT
TOTAL AMPERES
HEATING
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
JUNE 2009
RAK-18QH8S(W)
RAK-18QH8S(B)
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
9.5
INDOOR UNIT
Refrigeration & Air-Conditioning Division
PM
RAK-18QH8S(W)
RAK-18QH8(W)
RAK-25QH8(W)
RAK-35QH8(W)
RAK-50QH8(W)
RAK-18QH8S(B)
RAK-18QH8(B)
RAK-25QH8(B)
RAK-35QH8(B)
RAK-50QH8(B)
REFER TO THE FOUNDATION MANUAL
SPECIFICATIONS ----------------------------------------------------- 4
HOW TO USE ---------------------------------------------------------- 8
CONSTRUCTION AND DIMENSIONAL DIAGRAM ------- 30
MAIN PARTS COMPONENT ------------------------------------- 31
WIRING DIAGRAM -------------------------------------------------- 32
CIRCUIT DIAGRAM ------------------------------------------------- 33
BLOCK DIAGRAM --------------------------------------------------- 37
BASIC MODE --------------------------------------------------------- 39
REFRIGERATING CYCLE DIAGRAM ------------------------- 53
AUTO SWING FUNCTION ---------------------------------------- 55
DESCRIPTION OF MAIN CIRCUIT OPERATION --------- 56
SERVICE CALL Q & A -------------------------------------------- 63
PARTS LIST AND DIAGRAM ------------------------------------ 72
DC INVERTER (WALL TYPE)
INDOOR UNIT
RAK-18QH8(W)
RAK-25QH8(W)
RAK-18QH8(B)
RAK-25QH8(B)
1 PHASE, 50/60 Hz, 220-240V
REFER TO THE SPECIFICATION (OUTDOOR)
795
295
198
9.5
9.5
NO. 0456E
CONTENTS
RAK-35QH8(W)
RAK-50QH8(W)
RAK-35QH8(B)
RAK-50QH8(B)
9.5
9.5

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Summary of Contents for Hitachi RAK-18QH8SW

  • Page 1: Table Of Contents

    NO. 0456E RAK-18QH8S(W) RAK-18QH8(W) SERVICE MANUAL RAK-25QH8(W) RAK-35QH8(W) TECHNICAL INFORMATION RAK-50QH8(W) RAK-18QH8S(B) FOR SERVICE PERSONNEL ONLY RAK-18QH8(B) RAK-25QH8(B) RAK-35QH8(B) RAK-50QH8(B) REFER TO THE FOUNDATION MANUAL CONTENTS SPECIFICATIONS ----------------------------------------------------- 4 RAK-18QH8S(W) RAK-18QH8(W) HOW TO USE ---------------------------------------------------------- 8 RAK-25QH8(W) CONSTRUCTION AND DIMENSIONAL DIAGRAM ------- 30 RAK-35QH8(W) MAIN PARTS COMPONENT ------------------------------------- 31 RAK-50QH8(W)
  • Page 2 SAFETY DURING REPAIR WORK 1. In order to disassemble and repair the unit in question, be sure to disconnect the power cord plug from the power outlet before starting the work. 2. If it is necessary to replace any parts, they should be replaced with respective genuine parts for the unit, and the replacement must be effected in correct manner according to the instructions in the Service Manual of the unit.
  • Page 3 WORKING STANDARDS FOR PREVENTING BREAKAGE OF SEMICONDUCTORS 1. Scope The standards provide for items to be generally observed in carrying and handling semiconductors in relative manufacturers during maintenance and handling thereof. (They apply the same to handling of abnormal goods such as rejected goods being returned).
  • Page 4 (6) Use a three wire type soldering iron including a grounding wire. Metal plate (of aluminium, stainless steel, etc.) Working table Resistor of 1 M (1/2W) Staple Earth wire Bare copper wire (for body earth) Fig. 3. Grounding of the working table Soldering iron Grounding wire...
  • Page 5 CAUTION In quiet operation or stopping the running, slight flowing noise of refrigerant in the refrigerating cycle is heard occasionally, but this noise is not abnormal for the operation. When it thunders near by, it is recommend to stop the operation and to disconnect the power cord plug from the power outlet for safety.
  • Page 6: Specifications

    SPECIFICATIONS RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) MODEL RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) 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 NOISE SUPPRESSOR...
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  • Page 10 SWITCH SETTING TO SELECT 1.8kW OR 1.2kW CAPACITY CAUTION Before setting the switch, make sure to turn OFF power supply and then set the position of the switch otherwise will cause damage to the Main PCB. SWITCH POSITION CAPACITY SELECTION 1.8kW 1.2kW NOTE:...
  • Page 11 SAFETY PRECAUTION Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit. Pay special attention to signs of “ Warning” and “ Caution”. The “Warning” section contains matters which, if not observed strictly, may cause death or serious injury. The “Caution” section contains matters which may result in serious consequences if not observed properly.
  • Page 12 PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer specification and not for any other intended use. Do not attempt to operate the unit with wet hands, this could cause fatal accident. When operating the unit with burning equipments, regularly ventilate the room to avoid oxygen insufficiency.
  • Page 13 NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT AIR CLEANSING FILTER (Refer Instruction manual) AIR FILTER To prevent dust from coming into the indoor unit. (Refer Instruction manual) FRONT PANEL MOVEABLE PANEL It will be open when the air conditioner is operate and close when the air conditioner is not in operation.
  • Page 14 INDOOR UNIT INDICATORS FILTER LAMP When the device is operated for a total of about 200 hours, the FILTER lamp lights to indicate that it is time to clean the filter. The lamp goes out when the “ (AUTO SWING)” button is pressed while the device is on “STANDBY MODE”.
  • Page 15 NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT REMOTE CONTROLLER This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of control may 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.
  • Page 16 VARIOUS FUNCTIONS I 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 the power is resumed, switch off the power supply. When you switch on the circuit breaker, the operation will be automatically restarted with previous operation mode and airflow direction.
  • Page 17 HEATING OPERATION Use the device for heating when the outdoor temperature is under 21°C. When it is too warm (over 21°C), the heating function may not work in order to protect the device. In order to keep reliability of the device, please use this device above -15°C of the outdoor temperature. Press the FUNCTION selector so that the display indicates (HEAT).
  • Page 18 DEHUMIDIFYING OPERATION Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C, the dehumidifying function will not work. Press the FUNCTION selector so that the display indicates (DEHUMIDIFY). The FAN SPEED is set at LOW or SILENT. Set the desired room temperature with the TEMPERATURE button (the display indicates the setting).
  • Page 19 COOLING OPERATION Use the device for cooling when the outdoor temperature is 21~ 43°C. If in doors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit. Press the FUNCTION selector so that the display indicates (COOL).
  • Page 20 FAN OPERATION You can use the device simply as an air circulator. Use this function to dry the interior of the indoor unit at the end of summer. Press the FUNCTION selector so that the display indicates (FAN). Press the (FAN SPEED) button.
  • Page 21 HOW TO SET THE TIMER TIME Time Set the (TIME) button. After you change the batteries; OFF TIMER ON TIMER RESERVE OFF-Timer Press the (OFF-TIMER) button. The (OFF) mark blinks CANCEL on the display. Start STOP You can set the device to turn off at the preset time.
  • Page 22 Set the current time with the Press the (TIME) button again. Press the TIMER control button. The time indication starts lighting (TIME) button. instead of flashing. The time indication will disappear automatically in 10 second. To check the current time setting, press the (TIME) button twice.
  • Page 23 HOW TO SET THE SLEEP TIMER Set the current time at first if it is not set before (see the pages for setting the current time). Press the (SLEEP) button, and the display changes as shown below. Mode Indication 1 hour 2 hours 3 hours 7 hours...
  • Page 24 SHIFT VALUE ADJUSTMENT – 23 –...
  • Page 25 HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER Remove the cover as shown in the figure and take out the Push and pull to the old batteries. direction of arrow Install the new batteries. The direction of the batteries should match the marks in the case.
  • Page 26 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible to Freezing temperature reduce heat is bad for health and a entering the waste of electric power. room through windows. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake up...
  • Page 27 FOR USER’S INFORMATION The Air Conditioner And The Heat Source In The Room Caution If the amount of heat in the room is above the cooling capability of the air conditioner (for example: more people entering the room, using heating equipments and etc.), the preset room temperature cannot be achieved.
  • Page 28 ATTACHING THE AIR CLEANSING FILTERS CAUTION Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply. Open the front panel. Pull up the front panel by holding it at both sides with both hands.
  • Page 29 MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply. AIR FILTER Clean the air filter, as it removes dust inside the room. In case the air filter is full of dust, the air flow will decrease and the cooling capacity will be reduced.
  • Page 30 Washable Front Panel Remove the front panel and wash with clean water. Wash it with a soft sponge. After using neutral detergent, wash thoroughly with clean water. When front panel is not removed, wipe it with a soft dry cloth. Wipe the remote controller thoroughly with a soft dry cloth.
  • Page 31 CAUTION Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Running the unit setting the operation mode to (FAN) and the fan speed to HI for about half a day on a fine day, and dry the whole of the unit.
  • Page 32 AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS. CONDITION CHECK THE FOLLOWING POINTS If the remote controller is Do the batteries need replacement? not transmitting a signal. Is the polarity of the inserted batteries correct? Remote controller display is dim or blank.) Is the fuse all right?
  • Page 33 MODEL RAK-18QH8S (W), RAK-18QH8 (W), RAK-25QH8 (W), RAK-35QH8 (W), RAK-50QH8 (W) RAK-18QH8S (B), RAK-18QH8 (B), RAK-25QH8 (B), RAK-35QH8 (B), RAK-50QH8 (B) – 32 –...
  • Page 34: Main Parts Component

    MAIN PARTS COMPONENT THERMOSTAT Thermostat Specifications RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) MODEL RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) THERMOSTAT MODEL OPERATION MODE COOL HEAT 15.7 (60.3) 16.7 (62.1) INDICATION 15.3 (59.5) 17.3 (63.1) TEMPERATURE 23.7 (74.7) 24.7 (76.5) INDICATION °C (°F) 23.3 (73.9) 25.3 (77.5) 31.7 (89.1)
  • Page 35: Wiring Diagram

    WIRING DIAGRAM MODEL RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) INDOOR UNIT – 34 –...
  • Page 36: Circuit Diagram

    CIRCUIT DIAGRAM Remote Control WIRELESS Output TRANSMITION Input OUTPUT Door open Off timer On timer Reservation Cancel Door shut Sleep – – – Door open Start/stop Time setting Hour up Hour down Door shut Start/stop Fan speed selection Temperature up Temperature down Door open Operation mode select...
  • Page 37 CIRCUIT DIAGRAM MODEL RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) – 37 –...
  • Page 38 RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W), RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B), Wireless receive LCD wireless circuit Room temperature Filter. thermistor Operation. Timer. Heat exchanger thermistor Auto sweep motor for Air deflector 1 Temporary switch Auto sweep motor for Initial setting circuit Air deflector 2 Reset circuit Limit switch...
  • Page 39 “Silent” REFER TO PAGE NO. 42 Silent Silent – 41 –...
  • Page 40 Operation mode: HEATING Indoor fan speed: AUTO Thermo ON and thermo OFF depends on room temperature. Indoor fan speed changes during thermo ON and thermo OFF depends on: 1. Heat exchanger sensing temperature 2. Time Room temperature factor Thermo ON condition: Room Temperature remote setting + 0.66¡C Thermo OFF condition:Room Temperature remote setting + 1.33¡C...
  • Page 41 RAK-18QH8S (W) RAK-18QH8S (B) 3500 3500 2950 3000 2400 Table 1 Fan speed by mode Table 2 Room temperature shift value Operation Operation mode Shift value Fan speed mode Label name mode Fan speed “AUTO, Hi, Med” SHIFTW_M Heating operation Ultra Lo FWSS_M Fan speed “Lo, Sleep”...
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  • Page 44 Dehumidifying Dehumidifying Sleep Operation – 49 –...
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  • Page 47: Refrigerating Cycle Diagram

    REFRIGERATING CYCLE DIAGRAM RAK-18QH8S(W), RAK-18QH8(W) RAK-18QH8S(B), RAK-18QH8(B) COOLING, DEHUMIDIFYING HEATING SINGLE-ENDED UNION (1/4") SINGLE-ENDED UNION (3/8") THERMISTOR RAK-25QH8(W), RAK-35QH8(W) RAK-25QH8(B), RAK-35QH8(B) COOLING, DEHUMIDIFYING HEATING SINGLE-ENDED UNION (1/4”) THERMISTOR SINGLE-ENDED UNION (1/2”) – 55 –...
  • Page 48 RAK-50QH8(W) RAK-50QH8(B) COOLING, DEHUMIDIFYING HEATING SINGLE-ENDED UNION (1/4”) SINGLE-ENDED THERMISTOR UNION (1/2”) – 56 –...
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  • Page 50 RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) – 58 –...
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  • Page 57 MODEL RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / MODEL RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) – 65 –...
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  • Page 60 RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) 0.35 0.35 connecting cable – 68 –...
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  • Page 65 RAK-18QH8S(W), RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) 1. Control Borad Assembly 3. Fan Motor (1) Take out electrical assembly cover by push (1) Remove the screws that fixed bearing cover at the right the hook. side of Evaporator. (2) Disconnect each lead wires and the screw that (2) Hold the right side of Evaporator and pull up toward you, fixed earth wire to electrical box.
  • Page 66: Parts List And Diagram

    PARTS LIST AND DIAGRAM INDOOR UNIT MODEL: RAK-18QH8S(W),RAK-18QH8(W), RAK-25QH8(W), RAK-35QH8(W), RAK-50QH8(W) / MODEL: RAK-18QH8S(B), RAK-18QH8(B), RAK-25QH8(B), RAK-35QH8(B), RAK-50QH8(B) – 74 –...
  • Page 67 MODEL RAK-18QH8S(W) PART N0. Q’TY / UNIT PARTS NAME RAK-18QH8S(W) PMRAK-25QH8W R06 CABINET (WHITE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-18QH8W R02 CYCLE ASSY PMRAK-25QH8W R21 UPPER COVER PMRAS-10C8M...
  • Page 68 MODEL RAK-18QH8(W) PART N0. Q’TY / UNIT PARTS NAME RAK-18QH8(W) PMRAK-25QH8W R06 CABINET (WHITE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-18QH8W R02 CYCLE ASSY PMRAK-25QH8W R21 UPPER COVER PMRAS-10C8M...
  • Page 69 MODEL RAK-25QH8(W) PART N0. Q’TY / UNIT PARTS NAME RAK-25QH8(W) PMRAK-25QH8W R06 CABINET (WHITE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-25QH8W R03 CYCLE ASSY PMRAK-25QH8W R21 UPPER COVER PMRAS-10C8M...
  • Page 70 MODEL RAK-35QH8(W) PART N0. Q’TY / UNIT PARTS NAME RAK-35QH8(W) PMRAK-25QH8W R06 CABINET (WHITE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-25QH8W R03 CYCLE ASSY PMRAK-25QH8W R21 UPPER COVER PMRAS-10C8M...
  • Page 71 MODEL RAK-50QH8(W) PART N0. Q’TY / UNIT PARTS NAME RAK-50QH8(W) PMRAK-25QH8W R06 CABINET (WHITE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-50QH8W R02 CYCLE ASSY PMRAK-25QH8W R21 UPPER COVER PMRAS-10C8M...
  • Page 72 MODEL RAK-18QH8S(B) PART N0. Q’TY / UNIT PARTS NAME RAK-18QH8S(B) PMRAK-25QH8B CABINET (BEIGE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-18QH8W R02 CYCLE ASSY PMRAK-25QH8B UPPER COVER PMRAS-10C8M SPRING...
  • Page 73 MODEL RAK-18QH8(B) PART N0. Q’TY / UNIT PARTS NAME RAK-18QH8(B) PMRAK-25QH8B CABINET (BEIGE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-18QH8W R02 CYCLE ASSY PMRAK-25QH8B UPPER COVER PMRAS-10C8M SPRING...
  • Page 74 MODEL RAK-25QH8(B) PART N0. Q’TY / UNIT PARTS NAME RAK-25QH8(B) PMRAK-25QH8B CABINET (BEIGE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-25QH8W R03 CYCLE ASSY PMRAK-25QH8B UPPER COVER PMRAS-10C8M SPRING...
  • Page 75 MODEL RAK-35QH8(B) PART N0. Q’TY / UNIT PARTS NAME RAK-35QH8(B) PMRAK-25QH8B CABINET (BEIGE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-25QH8W R03 CYCLE ASSY PMRAK-25QH8B UPPER COVER PMRAS-10C8M SPRING...
  • Page 76 MODEL RAK-50QH8(B) PART N0. Q’TY / UNIT PARTS NAME RAK-50QH8(B) PMRAK-25QH8B CABINET (BEIGE) PMRAK-25QH8W R16 FAN MOTOR PMRAK-25QH8W R17 TANGENTIAL FAN PMRAK-25QH8W R18 FAN SUPPORT ASSY PMRAK-25QH8W R19 FAN COVER PMRAK-25QH8W R20 FAN MOTOR SUPPORT PMRAK-50QH8W R02 CYCLE ASSY PMRAK-25QH8B UPPER COVER PMRAS-10C8M SPRING...
  • Page 77 HITACHI RAK-18QH8S(W) RAK-18QH8S(B) RAK-18QH8(W) RAK-18QH8(B) PM NO. 0456E RAK-25QH8(B) RAK-25QH8(W) RAK-35QH8(B) RAK-35QH8(W) Printed in Malaysia RAK-50QH8(B) RAK-50QH8(W)