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Hitachi RAM-36NP2A Service Manual
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Hitachi RAM-36NP2A Service Manual

Hitachi RAM-36NP2A Service Manual

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SERVICE MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
RAI-ECPP
RAI-25RPA
RAI-35RPA
RAI-50RPA
NOTE:
This manual describes only points that differ from
RAK-18,25,35,50QXA (PM No 0527E)
RAD-18,25,35,50RPA (PM No 0531E)
and
RAM-36NP2A (PM No. 0522E)
RAM-53NP2A, RAM-53NP3A (PM No. 0523E)
RAM-68NP3A (PM No. 0524E)
RAM-70NP4A (PM No. 0525E)
RAM-90NP5A (PM No. 0528E)
RAM-130NP6A (PM No. 0529E)
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
DECEMBER 2012
RAI-25RPA
(W)
(A)
(kW)
(B.T.U./h)
(W)
(A)
(kW)
(B.T.U./h)
W
H
D
(kg)
INDOOR UNIT
Refrigeration & Air-Conditioning Division
PM
RAI-25RPA
RAI-35RPA
RAI-50RPA
REFER TO THE FOUNDATION MANUAL
SPECIFICATIONS ---------------------------------------------------------------------4
HOW TO USE -------------------------------------------------------------------------6
CONSTRUCTION AND DIMENSIONAL DIAGRAM ----------------------- 41
MAIN PARTS COMPONENT ---------------------------------------------------- 42
WIRING DIAGRAM ----------------------------------------------------------------- 43
CIRCUIT DIAGRAM ---------------------------------------------------------------- 45
BLOCK DIAGRAM ------------------------------------------------------------------ 49
BASIC MODE ------------------------------------------------------------------------ 51
REFRIGERATING CYCLE DIAGRAM----------------------------------------- 69
AUTO SWING FUNCTION ------------------------------------------------------- 71
DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------- 72
TROUBLE SHOOTING ------------------------------------------------------------ 79
PARTS LIST AND DIAGRAM ---------------------------------------------------- 91
DC INVERTER (CEILING CASSETTE TYPE)
INDOOR UNIT
RAI-35RPA
1 PHASE, 50 Hz, 220-240V
REFER TO THE SPECIFICATIONS PAGE (5)
580
285
580
20
NO. 0530E
CONTENTS
RAI-50RPA

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  • Page 1: Table Of Contents

    RAK-18,25,35,50QXA (PM No 0527E) DESCRIPTION OF MAIN CIRCUIT OPERATION ------------------------- 72 RAD-18,25,35,50RPA (PM No 0531E) SERVICE CALL Q & A ------------------------------------------------------------ 76 RAM-36NP2A (PM No. 0522E) RAM-53NP2A, RAM-53NP3A (PM No. 0523E) TROUBLE SHOOTING ------------------------------------------------------------ 79 RAM-68NP3A (PM No. 0524E) RAM-70NP4A (PM No. 0525E) PARTS LIST AND DIAGRAM ---------------------------------------------------- 91 RAM-90NP5A (PM No.
  • 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). 2.
  • 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 Screw stop at the screwed...
  • Page 5 CAUTION In quiet operation or stopping the running, slight fl owing 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 RAI-25RPA RAI-35RPA MODEL RAI-50RPA 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 THERMOSTAT YES(IC) REMOTE CONTROL SWITCH (LIQUID CRYSTAL) UNIT ---------- REFRIGERANT CHARGING...
  • Page 7 SPECIFICATION OF ROOM AIR CONDITIONER RAI-25RPA, RAI-35RPA, RAI-50RPA TYPE COOLING/HEATING CEILING CASSETTE MODEL INDOOR UNIT RAI-25RPA RAI-35RPA RAI-50RPA 1ø 220~240V 50Hz PHASE/VOLTAGE/FREQUENCY SOUND LEVEL (INDOOR) COOLING (ONE UNIT) AIR FLOW VOLUME (Hi) 8.5 m /min. 10.8 m /min. 12.0 m /min.
  • Page 8 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.
  • Page 9 PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer specifi cation 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 ●...
  • Page 10 NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT AIR FILTER To prevent dust from coming into the indoor unit. (Refer page 13) INDOOR UNIT INDICATORS Light indicator showing the operating condition. (Refer page 9) SUCTION GRILL (AIR INLET) HORIZONTAL DEFLECTOR (AIR OUTLET) REMOTE CONTROL Send out operation signal to the indoor unit.
  • Page 11 INDOOR UNIT INDICATORS OPERATION LAMP This lamp lights during operation. The OPERATION LAMP fl ashes in the following cases during heating. (1) During preheating For about 2–3 minutes after starting up. (2) During defrosting Defrosting will be performed about once an one hour when frost forms on the heat exchanger of the outdoor unit, for 5–10 minutes each time.
  • Page 12 Note The recommended temperature range for safety testing should be as below: ● Cooling Heating Minimum Maximum Minimum Maximum Dry bulb °C Indoor Wet bulb °C Dry bulb °C Outdoor Wet bulb °C CIRCUIT BREAKER When you do not use the room air conditioner, set the circuit breaker to “OFF”. MEMO ......................................
  • Page 13 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds It is possible Warning to reduce Freezing temperature heat entering is bad for health and a the room waste of electric power. through windows. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake...
  • Page 14 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 15 MAINTENANCE CAUTION Cleaning and maintenance must be carried out by qualifi ed service personnel. Before the cleaning, stop operation and disconnect the power supply. Clean the fi lter at least once every one month. This helps save electricity cost. CLEANING OF AIR FILTER REMOVAL AND ATTACHMENT OF AIR FILTER PROCEDURE Remove the fi...
  • Page 16 2. CLEANING OF FRONT PANEL Wipe it with a soft dry cloth. ● When it is excessively dirty, wipe with soft cloth soaked in lukewarm water or neutral detergent. ● Then wipe thoroughly with a soft dry cloth. CAUTION Do not splash or direct water to the body of the unit when cleaning it as ●...
  • Page 17 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? ●...
  • Page 18 PREPARATION BEFORE OPERATION ■ To install the batteries 1. Slide the cover to take it off. 2. Install two dry batteries AAA.LR03 (alkaline). The direction of the batteries should match the marks in the case. 3. Replace the cover at its original position. ■...
  • Page 19 PREPARATION BEFORE OPERATION ■ To set calendar and clock 1. Press (RESET) button when fi rst time setting. "Year" blinks. 2. Press (TIME) button to set the current year. 3. Press (CLOCK) button. "Day" and "Month" blink. 4. Press (TIME) button to set the current day and month.
  • Page 20 NAMES AND FUNCTIONS OF REMOTE CONTROLLER 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 fi xed on a wall using the fi xture provided. Before fi xing it, make sure the indoor unit can be controlled from the remote controller.
  • Page 21 NAMES AND FUNCTIONS OF REMOTE CONTROLLER MODE selector Button POWERFUL Button Use this button to select the Use this button to set the operating mode. Every time you POWERFUL mode. ( p. 25) press this button, the mode will (AUTO) ➞ change from (HEAT) ➞...
  • Page 22 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 airfl ow 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.
  • Page 23 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 maintain reliability of the device, please use this device when outdoor temperature is above ●...
  • Page 24 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 MODE selector button so that the display indicates (DEHUMIDIFY). The fan speed is set at LOW. Press (FAN SPEED) button to select SILENT or LOW fan speed.
  • Page 25 COOLING OPERATION Use the device for cooling when the outdoor temperature is -10~ 43°C. If indoors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit. Press the MODE selector button so that the display indicates (COOL).
  • Page 26 FAN OPERATION User can use the device simply as an air circulator. Press the MODE selector so that the display indicates (FAN). Set the desired FAN SPEED with the (FAN SPEED) button (the display indicates the setting). (HIGH) (MED) (LOW) (SILENT) START Press the...
  • Page 27 POWERFUL OPERATION By pressing (POWERFUL) button during AUTO, HEATING, DEHUMIDIFYING, COOLING or FAN ● operation, the air conditioner performs at the maximum power. During POWERFUL operation, cooler or warmer air will be blown out from indoor unit for COOLING or ●...
  • Page 28 SILENT OPERATION By pressing (SILENT) button during AUTO, HEATING, DEHUMIDIFYING, COOLING or FAN ● operation, the fan speed will change to ultra slow. ■ To start SILENT operation Press (SILENT) button during operation. ● “ ” is displayed on the LCD. Fan speed will be ultra slow. ■...
  • Page 29 ECO OPERATION ECO operation is an energy saving function by changing set temperature automatically and by limiting the maximum power consumption value. By pressing the (ECO) button during AUTO, HEATING, ● DEHUMIDIFYING or COOLING operation, the air conditioner performs the "ECO" operation. ■...
  • Page 30 LEAVE HOME(LH) OPERATION Prevent the room temperature from falling too much by setting temperature 10°C automatically when no one is at home. This operation is able to operate by "Continuous operation" or "Day timer operation". Please use "Day timer operation" to set the number of days up to 99 days.
  • Page 31 CLEAN (ONE TOUCH CLEAN) OPERATION Drying indoor heat exchanger after cooling operation to prevent mildew. ■ To start CLEAN operation Press (CLEAN) button when unit is OFF. ● Total time taken for One Touch Clean operation is 60 minutes. During this operation, HEATING or FAN operation shall operate.
  • Page 32 ONCE TIMER (ON/OFF TIMER) OPERATION OFF TIMER The device can be set to turn off at a preset time. 1. Press (OFF-TIMER) button. blink on the display. 2. Set the "turn-off time" with (TIME) button. 3. After setting, direct the remote controller towards the indoor and press (SEND) button.
  • Page 33 ECO SLEEP TIMER OPERATION The timer can be set up to a duration of 7 hours. By pressing (SLEEP) button during AUTO, HEATING, DEHUMIDIFYING, COOLING or FAN operation, the unit shifts the room temperature and reduces the fan speed. It results in energy saving. Set the current time fi...
  • Page 34 ECO SLEEP TIMER OPERATION ■ To set ECO SLEEP TIMER and ON TIMER 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. Example: In this case, air conditioner will turn off in 2 hours (at 1:38) and it will be turned on at 6:00 the next morning.
  • Page 35 WEEKLY TIMER OPERATION It is possible to select Mode A or Mode B. For each mode, up to 6 programs can be set per day. In total, a ● maximum of 42 programs can be set for a week for each mode. If calendar and clock are not set, the reservation setting for WEEKLY TIMER cannot be set.
  • Page 36 WEEKLY TIMER OPERATION 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 ) button to set temperature reservation. 8. Press (OK) button. The reservations are set. Day, program number, ON reservation, setting temperature will light up.
  • Page 37 WEEKLY TIMER OPERATION Step 2: Select Mode A or Mode B and activate or deactivate WEEKLY TIMER. ■ How to select Mode A or Mode B of WEEKLY TIMER setting. 1. Press (WEEKLY) button. blink on the display. (Normally Mode A will blink fi rst). 2.
  • Page 38 WEEKLY TIMER OPERATION Step 3: Copy and cancel the reservation schedule. ■ 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.
  • Page 39 WEEKLY TIMER OPERATION Step 3: Copy and cancel the reservation schedule. ■ How to delete WEEKLY TIMER data. [Delete one program number reservation] 1. Press (WEEKLY) button to select Mode A or Mode B. 2. Press (WEEKLY) button for 3 seconds to start editing the reserva- tion schedule.
  • Page 40 WEEKLY TIMER OPERATION Step 3: Copy and cancel the reservation schedule. [Delete one day reservation] 1. Press (WEEKLY) button to select Mode A or Mode B. 2. Press (WEEKLY) button for 3 seconds to start editing the reservation schedule. 3. Press (DAY) button to select a day of the week to edit.
  • Page 41 INFO FUNCTION By pressing (INFO) button, temperature around remote controller and monthly power consumption will be ● displayed on the remote controller. After changing the batteries, direct the remote controller towards the indoor unit and press (INFO) button. ● Current calendar and clock will be transmitted from indoor unit. In order to receive information from indoor unit, the distance between remote controller and receiver of indoor units is ●...
  • Page 42 OPERATION MODE LOCK The remote controller can be set to fi x the HEATING mode (including FAN), COOLING mode (including FAN) and DEHUMIDIFYING mode (including FAN) operations. ■ Method to lock HEATING mode (including FAN) operation. Press (ECO) and (POWERFUL) buttons simultaneously for about 5 seconds when the remote controller is OFF.

  • Page 43: Construction And Dimensional Diagram

    CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAI-25RPA, RAI-35RPA, RAI-50RPA Note: 1. Insulated pipes should be used for both the narrow and wide dia. pipes. 2. Piping length is within 20m. 3. Height difference of the piping between the indoor unit and the outdoor unit should be within 10m. 4.

  • Page 44: Main Parts Component

    MAIN PARTS COMPONENT THERMOSTAT Thermostat Specifi cations THERMOSTAT MODEL COOL HEAT OPERATION MODE RAI-25RPA RAI-25RPA RAI-35RPA RAI-50RPA RAI-35RPA MODEL RAI-50RPA 15.0 (59.0) 13.0 (55.4) 13.0 (55.4) 20.0 (68.0) INDICATION 14.7 (58.5) 12.7 (54.9) 12.7 (54.9) 20.3 (68.5) TEMPERATURE 23.0 (73.4) 21.0 (69.8) 21.0 (69.8) 28.0 (82.4)
  • Page 45 – 43 –...

  • Page 46: Circuit Diagram

    CIRCUIT DIAGRAM Remote Control – 45 –...
  • Page 47 CIRCUIT DIAGRAM MODEL RAI-25RPA, RAI-35RPA, RAI-50RPA – 47 –...
  • Page 48 – 49 –...
  • Page 49 – 51 –...
  • Page 50 Table 1 Mode data fi le RAI-25RPA RAI-35RPA RAI-50RPA LABEL NAME VALUE –1 –1 –1 WMAX 4400 min 5500 min 6000 min WMAX2 4500 min –1 5600 min –1 6000 min –1 WSTD 3300 min –1 4400 min –1 4250 min –1 WBEMAX 2800 min...
  • Page 51 Notes: (1) Condition for entering into Cool Dashed mode. When fan set to “Hi” or “Auto mode” and temperature difference between indoor temperature and set temperature has a corresponding compressor rpm larger than WMAX. (2) Cool Dashed will release when i) a maximum 25 minutes is lapsed and ii) room temperature is lower than set temperature –3°C (thermo off) and iii) when room temperature has achieved setting temperature –1°C then maximum Cool Dashed time will be revised to 20 minutes.
  • Page 52 – 57 –...
  • Page 53 Notes: (1) If the room temperature is (cooling preset temperature) - (1.33°C) or less after 30 seconds from starting the operation, the operation is done assuming as the preset temperature = (room temperature at the time) - (2°C). (2) The indoor fan is operated in the “Lo” mode. During thermo OFF indoor fan will be OFF for 5 minutes and ON for 1 minute. (3) When the operation is started by the themostat turning ON, the start of the indoor fan is delayed 32 seconds after the start of compressor operation.
  • Page 54 – 61 –...
  • Page 55 Notes: (1) Condition for entering into Hot Dashed mode. When fan set to “Hi” or “Auto mode” and i) Indoor temperature is lower than 18°C, and ii) outdoor temperature is lower than 10°C, and iii) Temperature difference between indoor temperature and set temperature has a corresponding compressor rpm larger than WMAX. (2) Hot Dashed will release when i) Room temperature has achieved the set temperature + SFTDSW.
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  • Page 61: Description Of Main Circuit Operation

    DESCRIPTION OF MAIN CIRCUIT OPERATION MODEL RAI-25RPA, RAI-35RPA, RAI-50RPA 1. Receiver Circuit Fig. 1-1 The light receiver unit receives the infrared signal from the wireless remote control. The receiver amplifi es ● and shapes the signal and outputs it. 2. Buzzer Circuit Fig.
  • Page 62 – 73 –...
  • Page 63 4. Room Temperature Thermistor Circuit Fig. 4-1 shows the room temperature The voltage at depends on the room ● ● thermistor circuit. temperature as shown in Fig. 4-2. 5. Heat exchanger temperature thermistor circuit The circuit detects the indoor heat ●...
  • Page 64 6. Initial Setting Circuit (IC401) When power is supplied, the microcomputer reads the data in IC401 (E PROM) and sets the preheating ● activation value and the rating and maximum speed of the compressor, etc. to their initial values. Data of self-diagnosis mode is stored in IC401; data will not be erased even when power is turned off. ●...

  • Page 65: Service Call Q & A

    SERVICE CALL Q & A Model RAI-25RPA RAI-35RPA RAI-50RPA COOLING MODE The compressor has Check if the indoor heat If the air conditioner operates stopped suddenly during exchanger is frosted. in cooling mode when it is cooling operation. Wait for 3-4 minutes cold, the evaporator may get until it is defrosted.
  • Page 66 AUTO FRESH DEFROSTING After the ON/OFF button is pressed Auto Fresh Defrosting is carried out : the to stop heating, the outdoor unit is system checks the outdoor heat exchanger still working with the OPERATION and defrosts it as necessary before stopping lamp blinking.
  • Page 67 OTHERS The heat exchanger temperature The indoor fan varies among This is because the cool is sensed in the auto speed mode. high air fl ow, low air fl ow and wind prevention function When the temperature is low, the breeze in the auto fan speed is operating, and does fan speed varies among high air...

  • Page 68: Trouble Shooting

    TROUBLESHOOTING WHEN TIMER LAMP BLINKS. Model RAI-25RPA, RAI-35RPA, RAI-50RPA Perform troubleshooting according to the number of times the indoor timer lamp and outdoor LD301 blink. SELF-DIAGNOSIS LIGHTING MODE Model: RAI-25RPA, RAI-35RPA, RAI-50RPA Timer indicator fl ashing mode Reason for display Section of estimated fault Four-way valve faulty (1) Four-way valve faulty.
  • Page 69 – 80 –...
  • Page 70 – 81 –...
  • Page 71 Remarks: When this unit were mean to be connected to mul outdoor unit system, below diagnosis table shall be use. If LD301 lit and at the same me LD302 blinks in a number of mes, this indicates thermistor faulty. TIMER WIRELESS WIRED LD302...
  • Page 72 CHECKING INDOOR UNIT ELECTRICAL PARTS 1. Power does not come on (no operation) – 83 –...
  • Page 73 2. Only indoor fan does not operate (other is normal) Is approx 20 V DC generated Is 5 V DC generated between pins between pins 2 (blue) and 4 (red) Replace indoor fan motor. 2 (blue) and 1 (yellow) of CN10? of CN 10 when operated at high fan speed during cooling? Check disconnection, etc of lead...
  • Page 74 – 85 –...
  • Page 75 – 86 –...
  • Page 76 HOW TO CHANGE THE SHIFT VALUE for SETTING TEMPERATURE USING WIRED REMOTE CONTROLLER – 87 –...
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  • Page 80 CHECKING THE REMOTE CONTROLLER – 91 –...
  • Page 81 PARTS LIST AND DIAGRAM INDOOR UNIT MODEL : RAI-25RPA RAI-35RPA RAI-50RPA – 92 –...
  • Page 82 MODEL RAI-25RPA PART N0. Q’TY / UNIT PARTS NAME RAI-25RPA PMRAI-25NH4R FAN MOTOR PMRAMD-350BW R11 FLOAT SWITCH PMRAI-32CNH2 THERMISTOR (HEAT EXCHANGER) PMRAI-32CNH2 THERMISTOR (ROOM TEMPERATURE) PMRAI-32CNH2 TURBO FAN PMRAI-32CNH2 DRAIN PAN ASSEMBLY PMRAI-25RPA REMOTE CONTROL ASSEMBLY PMRAK-50PPA REMOTE CONTROL SUPPORT PMRAI-32CNH2 DRAIN CAP PMRAI-25NH4...
  • Page 83 MODEL RAI-35RPA PART N0. Q’TY / UNIT PARTS NAME RAI-35RPA PMRAI-25NH4R FAN MOTOR PMRAMD-350BW R11 FLOAT SWITCH PMRAI-32CNH2 THERMISTOR (HEAT EXCHANGER) PMRAI-32CNH2 THERMISTOR (ROOM TEMPERATURE) PMRAI-32CNH2 TURBO FAN PMRAI-32CNH2 DRAIN PAN ASSEMBLY PMRAI-25RPA REMOTE CONTROL ASSEMBLY PMRAK-50PPA REMOTE CONTROL SUPPORT PMRAI-32CNH2 DRAIN CAP PMRAI-25NH4...
  • Page 84 MODEL RAI-50RPA PART N0. Q’TY / UNIT PARTS NAME RAI-50RPA PMRAI-25NH4R FAN MOTOR PMRAMD-350BW R11 FLOAT SWITCH PMRAI-32CNH2 THERMISTOR (HEAT EXCHANGER) PMRAI-32CNH2 THERMISTOR (ROOM TEMPERATURE) PMRAI-32CNH2 TURBO FAN PMRAI-32CNH2 DRAIN PAN ASSEMBLY PMRAI-25RPA REMOTE CONTROL ASSEMBLY PMRAK-50PPA REMOTE CONTROL SUPPORT PMRAI-32CNH2 DRAIN CAP PMRAI-25NH4...
  • Page 85 MODEL : RAI-ECPP (PANEL) – 96 –...
  • Page 86 MODEL RAI-ECPP PART N0. Q’TY / UNIT PARTS NAME RAI-ECPP PMRAI-ECPM HORIZONTAL AIR DEFLECTOR 1 PMRAI-ECPM HORIZONTAL AIR DEFLECTOR 2 PMRAI-ECPM STEPPING MOTOR PMRAI-ECPL FILTER PMRAI-ECPM SUCTION GRILL PMRAI-ECPP P.W.B. (DISPLAY) – 97 –...
  • Page 87 HITACHI RAI-25RPA PM NO. 0530E RAI-35RPA Printed in Malaysia RAI-50RPA...

This manual is also suitable for:

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