Hitachi airHome 600 VJ Series Service Manual
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Hitachi airHome 600 VJ Series Service Manual

Hitachi airHome 600 VJ Series Service Manual

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SERVICE MANUAL
CONTENTS
PRINTED WIRING BOARD LOCATION DIAGRAM
Instruction manual
To obtain the best performance, please read this instruction manual completely.
คู ่ ม ื อ การใช ้ ง าน
เพื อได ้รั บ การทํ า งานที ดี ท ี สุ ด โปรดอ่ า นคู ่ ม ื อ อย่ า งละเอี ย ด
<PM NO:0837E>
INDOOR UNIT
RAK-VJ60RHAE
RAK-VJ70RHAE
Page 5
Page 7
Page 47
Page 48
Page 49
Page 51
Page 53
Page 55
Page 57
Page 77
Page 78
Page 80
Page 87
Page 114
(RC-AGS1EA0E)
Page 1~26
หน ้า 27~54

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  • Page 1: Table Of Contents

    SERVICE MANUAL INDOOR UNIT RAK-VJ60RHAE RAK-VJ70RHAE (RC-AGS1EA0E) CONTENTS SPECIFICATIONS Page 5 HOW TO USE Page 7 CONSTRUCTION AND DIMENSIONAL DIAGRAM Page 47 MAIN PARTS COMPONENT Page 48 WIRING DIAGRAM Page 49 PRINTED WIRING BOARD LOCATION DIAGRAM Page 51 CIRCUIT DIAGRAM Page 53 BLOCK DIAGRAM Page 55...

  • Page 2: Safety During Repair Work

    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.) Bare copper wire (for body earth) Working table Resistor 1 M (1/2W) Staple Earth wire Fig. 3. Grounding of the working table Soldering iron Grounding wire Screw stop at the screwed...
  • Page 5 CAUTION In quiet or stop operation, 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 nearby, it is recommend to stop the operation and to disconnect the power cord plug from the power outlet for safety.

  • Page 6: Specifications

    SPECIFICATIONS DC INVERTER TYPE INDOOR UNIT INDOOR UNIT MODEL RAK-VJ70RHAE RAK-VJ60RHAE 1PHASE, 50Hz, 220 ~ 240V 1PHASE, 50Hz, 220 ~ 240V POWER SOURCE TOTAL INPUT 1,813 (500~3,050) 2,628 (500~3,150) TOTAL AMPERES 12.13~11.12 8.37~7.67 COOLING (kW) 6.00 (1.90~6.80) 7.00 (1.90~7.50) CAPACITY (B.T.U./h) 20,470 (6,480~23,200) 23,900 (6,480~25,590)
  • Page 7 Figure showing the Installation of Indoor Unit MODEL RAK-VJ60RHAE RAK-VJ70RHAE above 50mm above 100mm Be sure to completely seal any gap with putty. above 100mm 2300 or more The indoor piping should be insulated with the enclosed insulation pipe. (If the insulator is insufficient, please use commercial products.) Plug...
  • Page 8 Remote Controller Manual MODEL Remote Controller manual To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely. – 7 –...
  • Page 9 Names and Functions of Remote Controller This controls the operation function and timer setting of the room air conditioner. The range of control is about 7 meters. lf indoor lighting is controlled electronically, the range of control may be shorter. 　...
  • Page 10 Push and pull to the Remove the cover as shown in the figure and take out the old batteries. dirction of arrow Batteries Install the new batteries. The direction of the batteries should match the marks in the case. CAUTION Cover 1.

  • Page 11: Various Functions

    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 the power is resumed, switch off the power supply.

  • Page 12: Heat Mode

    Heat Mode ● 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.

  • Page 13: Dry Mode

    Dry Mode 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 (Dry). The fan speed is set at Auto. Press (Fan Speed) button to select Silent, Low or Auto fan speed.

  • Page 14: Cool Mode

    Cool Mode Use the device for cooling when the outdoor temperature is -10 to 46°C. If humidity is very high (over 80%) indoors, 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 15 • By pressing ) button during Powerful performs at maximum power. • During operation, cooler or warmer air will be blown out from indoor unit for operation respectively. Press the ) button during operation. Powerful • " " is displayed on the LCD. START operation ends in 20 minutes.

  • Page 16: Precautions For Use

    ● The dust and dirt adhering to indoor heat exchanger which is the cause of the smell. They are washed away by freezing and thawing of the heat exchanger. ● FrostWash function can work when the outdoor temperature is 1 and Indoor humidity is 30% to 70%.
  • Page 17 ■ ■ – 16 –...
  • Page 18 Mold Guard Operation The Process of Mold Guard ■ How to set and cancel Mold Guard For setting For cancelling ■ How to stop at middle point of Mold Guard operation – 17 –...
  • Page 19 Smart E operation – 18 –...
  • Page 20 Smart Eco with Auto-Off Logic – 19 –...
  • Page 21 (Max Current Switching ) Maximum current with Model Power Safe setting 1.8~3.5kW 4.2~5.0kW – 20 –...
  • Page 22 SleepSense Operation – 21 –...
  • Page 23 – 22 –...

  • Page 24: Silent Mode

    Silent Mode (Silent) button during Auto, Heat, Dry, Cool or Fan operation, the fan speed changes (Silent) (On/Off) (Silent) (Fan Speed) Silent Silent – 23 –...

  • Page 25: Adjusting The Airflow Direction

    User can use the device simply as an air circulator. Press the M selector button so that the display indicates Press the button. Fan Speed (High) (Super High) Press the button. Fan operation starts with a beep. Press the button again to stop operation. Adjusting the Airflow Direction 　　...
  • Page 26 • • CAUTION • • • • CAUTION – 25 –...
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  • Page 28 ■ How to restore factory setting – 27 –...
  • Page 29 My Mode(Programming) ● Use this mode for personalized comfortable settings. The My Mode can be set by using the remote controller. ● Up to 3 programs can be set. Programming of My Mode Default Setting of My Mode My Mode Mode Temperature Fan Speed ON Timer /...
  • Page 30 My Mode(Programming) Programming of My Mode ● ● ● ● ● ● ● ● ● ● Register of My Mode Programming ● Once all desire setting completed , press (On/Off) button during " " blinks. All selection will be saved to remote controller and room air conditioner. ●...
  • Page 31 My Mode(Start or Stop of My Mode Operation) Start of My Mode Operation Start of My Mode Operation ● Press (My Mode) button at room air conditioner operation. Room air conditioner starts with My Mode 1 registered to remote controller. ●...
  • Page 32 Operation Mode Lock The remote controller can be set to fix the Heat Mode (including Fan Mode), Cool Mode and Dry Mode (including Fan Mode) operations. ■ Method to lock Heat Mode (including Fan Mode) operation. Press (Mode) and buttons simultaneously for about when the remote controller is OFF.
  • Page 33 How to Reset Filter Sign on Filter Sign on will show with “ and 4 seconds off. Because cleaning of Air filter has not been done for a long time. lean the Air filter. Press Filter Button at Off Mode pointing the remote controller towards Filter Sign.

  • Page 34: Safety Precaution

    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 35 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 36: Names And Functions Of Each Part

    Operation Range Operation mode Cooling/Dehumidifying Heating Outdoor temperature -10 to 46°C -15 to 21°C Names and Functions of Each Part Indoor Unit Pre-fi lter To prevent dust from coming into the indoor unit. (Refer page 43) Front panel (Refer page 44) Ioniser Indoor unit indicators Light indicator showing the operating condition.
  • Page 37 Names and Functions of Each Part Indoor Unit Indications Timer Lamp (Orange) Operation Lamp (Yellow) This lamp lights when the timer This lamp lights during operation. is working. The Operation Lamp fl ashes in the following cases during heating. Wi-Fi Lamp (Blue) (1) During preheating For about 2-3 minutes after starting up.

  • Page 38: Using The Service

    Home is a cloud-based solution for remotely may be shorter. controlling your Hitachi air conditioning system via smart phone. You can operate the air conditioner from Signal Transmission outside the home with your smartphone and check the...

  • Page 39: Initial Settings

    (1) Before using this air conditioner, make sure that Wireless LAN router (Hereinafter router) local radio stations for identification of mobile objects, specifi ed low-power radio stations and Please use a router that supports the 2.4GHz band. ● amateur radio stations are not operating nearby. For security, be sure to use a router that can set ●...
  • Page 40 Your smartphone and air conditioner communicate ● About fi rmware data via our server using the Internet. Therefore, due to the condition of the communication line of your This air conditioner has the function of connecting ● mobile phone company or provider, the setting of your to our server through the Internet and automatically router, or the stop of service due to maintenance of updating its fi...

  • Page 41: About Software License

    About Software License The software installed in this air conditioner is composed of multiple independent software modules, and each software module has the copyright of Johnson Controls Air Conditioning (Herein after referred to as “the Company”) and a third party. This air conditioner also contains software modules developed or created by us, but these software and accompanying documents have proprietary rights and intellectual property rights...
  • Page 42 (4) Switch ON your air conditioner now. Once your air conditioner is switched on, or reset the internal settings (restore the factory settings) by remote control, it will automatically set into pairing mode for 10 minutes. Wi-Fi LED on air conditioner’s panel (see diagram in status indicator section) will blink for 3 times repeatedly showing air conditioner is in pairing mode.
  • Page 43 Initialization of the Built-in airCloud Home Module Reset the internal settings (restore the factory settings) by remote controller. Please note that the confi guration will be cleared and pairing procedure will be required to do again to use the built-in airCloud Home module. (1) Press Mode key and ON Timer key simultaneously, pointing the remote controller towards the air conditioning unit.

  • Page 44: Maintenance

    MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualifi ed service personnel. Before cleaning, stop operation and switch off the power supply. PRE-FILTER Clean the Pre-fi lter, as it removes dust inside the room. In case the Pre-fi lter is full of dust, the air fl ow will decrease and the cooling capacity will be reduced.

  • Page 45: Cleaning Of Front Panel

    CLEANING OF 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 ●...

  • Page 46: Regular Inspection

    Regular Inspection FrostWash Operation PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED It does not wash when outside temperature is less than about 1 SERVICE PERSONNEL EITHER EVERY HALF YEARLY OR degrees Celsius or more than 43 YEARLY. CONTACT YOUR SALES AGENT OR SERVICE degrees Celsius.
  • Page 47 Shows preheating or defrosting operation The horizontal defl ector remain open. is underway. As the protective circuit Room temperature or humidity may rise. or preheat sensor operates when unit Depending on situation, Mold Guard will OPERATION operation is stopped during preheating operate with Fan Mode.

  • Page 48: Construction And Dimensional Diagram

    CONSTRUCTION AND DIMENSIONAL DIAGRAM MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 47 –...

  • Page 49: Main Parts Component

    MAIN PARTS COMPONENT THERMOSTAT (Room Temperature Thermistor) Thermostat Specifi cations MODEL RAK-VJ60RHAE, RAK-VJ70RHAE THERMOSTAT MODEL OPERATION MODE COOL HEAT 18.3 (64.99) 13.7 (56.61) INDICATION 15.0 (59.00) 16.7 (62.06) TEMPERATURE 26.3 (79.39) 21.7 (71.01) INDICATION °C (°F) 23.0 (73.40) 24.7 (76.46) 34.3 (93.79) 29.7 (85.41) INDICATION...

  • Page 50: Wiring Diagram

    WIRING DIAGRAM MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 49 –...
  • Page 51 RC-AGS1EA0E – 51 –...

  • Page 52: Circuit Diagram

    CIRCUIT DIAGRAM MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 53 –...

  • Page 53: Block Diagram

    BLOCK DIAGRAM MODEL RAK-VJ60RHAE, RAK-VJ70RHAE Vertical sweep motor 1 Vertical sweep motor 2 Ionizer Wi-Fi – 55 –...

  • Page 54: Basic Mode

    BASIC MODE MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 57 –...
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  • Page 64: Refrigerating Cycle Diagram

    REFRIGERATING CYCLE DIAGRAM MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 77 –...

  • Page 65: Procedure For Disassembly And Reassembly

    Procedure for Disassembly and Reassembly INDOOR UNIT RAK-VJ60RHAE, RAK-VJ70RHAE – 78 –...
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  • Page 67: Description Of Main Circuit Operation

    DESRIPTION OF MAIN CIRCUIT OPERATION MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 80 –...
  • Page 68 CN19 CN18 CN12 3 terminal – 81 –...
  • Page 69 Q211 7.1ms. 1.7ms. 1.7ms. 4.2ms. – 82 –...
  • Page 70 Q751 R822 R673 R823 IC821 C672 – 83 –...
  • Page 71 R672 R402 R404 C617 – 84 –...
  • Page 72 R401 C616 R403 R410 – 85 –...
  • Page 73 R343 – 86 –...

  • Page 74: Service Call Q & A

    SERVICE CALL Q & A MODEL RAK-VJ60RHAE, RAK-VJ70RHAE – 87 –...
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  • Page 76 STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS – 89 –...
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  • Page 79 Refrigerant cycle defective Refrigerant cycle defective once Connection cable is reverse Fix CN2 connector Action/replacement parts,etc. FU1 (3.15A) fuse blown Replace the part which caused blowing/disconnection of FU1 fuse. Come off or disconnection of the Fix CN16 connector connector for indicating P.W.B Refer to the service guide for how to determine the failed part Failure of control P.W.B –...
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  • Page 101: Parts List And Diagram

    PART LIST AND DIAGRAM INDOOR UNIT MODEL: RAK-VJ60RHAE, RAK-VJ70RHAE -114-...
  • Page 102 MODEL: RAK-VJ60RHAE PART NO. QTY/UNIT PARTS NAME PMK-VJ60PHAE TANGENTIAL FAN PMRAS-25YHA4 P-BEARING REFER TO JCH-WH RAK-VJ18/25/35/50PHAE REMOTE CONTROL SERIES RELATED PART # REFER TO JCH-WH RAK-VJ18/25/35/50PHAE REMOTE CONTROL HOLDER SERIES RELATED PART # PMK-VJ60PHAE DRAINPAN ASSY PMK-VJ60PHAE FRONT COVER ASSY PMK-VJ60PHAE FRONT PANEL PMK-DJ10PCASV...
  • Page 103 MODEL: RAK-VJ70RHAE PART NO. QTY/UNIT PARTS NAME PMK-VJ60PHAE TANGENTIAL FAN PMRAS-25YHA4 P-BEARING REFER TO JCH-WH RAK-VJ18/25/35/50PHAE REMOTE CONTROL SERIES RELATED PART # REFER TO JCH-WH RAK-VJ18/25/35/50PHAE REMOTE CONTROL HOLDER SERIES RELATED PART # PMK-VJ60PHAE DRAINPAN ASSY PMK-VJ60PHAE FRONT COVER ASSY PMK-VJ60PHAE FRONT PANEL PMK-DJ10PCASV...
  • Page 104 PM NO. 0837E RAK-VJ60RHAE RAK-VJ70RHAE Printed in Malaysia SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT ROOM AIR CONDITIONER INDOOR UNIT Refrigeration & Air-Conditioning Division...

This manual is also suitable for:

Airhome 600 rak-vj60rhaeAirhome 600 rak-vj70rhae

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