Daikin GA Series Service Manual
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Daikin GA Series Service Manual

Daikin GA Series Service Manual

Non-inverter pair : cooling only
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Si01-202
Service
Manual
SPLIT
GA Series
[Applied Models]
! ! ! ! Non-Inverter Pair : Cooling Only

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Summary of Contents for Daikin GA Series

  • Page 1 Si01-202 Service Manual SPLIT GA Series [Applied Models] ! ! ! ! Non-Inverter Pair : Cooling Only...
  • Page 2 Si01-202 Non Inverter Pair Non Inverter Pair Non Inverter Pair Non Inverter Pair !Cooling Only Indoor Unit FT50GAVE FT50GAVEA FT50GAVAL FT60GAVE FT60GAVEA FT60GAVAL Outdoor Unit R50GV1 R50GV19 R50GAV1A R50GVAL R60GV1 R60GV19 R60GAV1A R60GVAL R50GV1K R50GV1K9 R50GAV1A9 R50GVAL9 R60GV1K R60GV1K9 R60GAV1A9 R60GVAL9 Table of Contents...

  • Page 3: Table Of Contents

    Si01-202 1. Introduction .....................v 1.1 Safety Cautions ..................v Part 1 List of Function ..............1 1. Functions....................2 1.1 List of Functions ..................2 Part 2 Specifications ..............3 1. Specifications ..................4 1.1 Cooling Only.....................4 Part 3 Printed Circuit Board Connector Wiring Diagram ..... 7 1.
  • Page 4 Si01-202 1.2 Removal of Front Grille ................56 1.3 Opening and Closing of Service Cover / Changing Settings at Installation Site.............57 1.4 Removal of Front Panel................58 1.5 Removal of Horizontal and Vertical Blades ..........60 1.6 Removal of Drain Pan ................61 1.7 Removal of PC Board................63 1.8 Removal of Electrical Parts Box .............66 1.9 Removal of Swing Motor Assembly............68 1.10 Piping of Drain Hose at Left Side ............69...
  • Page 5 Si01-202 Table of Contents...

  • Page 6: Introduction

    Si01-202 Introduction 1. Introduction Safety Cautions " Cautions and Be sure to read the following safety cautions before conducting repair work. " The caution items are classified into “ Warning” and “ Caution”. The “ Warning” Warnings items are especially important since they can lead to death or serious injury if they are not followed closely.

  • Page 7: Cautions Regarding Products After Repair

    Introduction Si01-202 Caution Do not repair the electrical components with wet hands. Working on the equipment with wet hands can cause an electrical shock. Do not clean the air conditioner by splashing water. Washing the unit with water can cause an electrical shock. Be sure to provide the grounding when repairing the equipment in a humid or wet place, to avoid electrical shocks.

  • Page 8: Inspection After Repair

    Si01-202 Introduction Warning Be sure to use the specified cable to connect between the indoor and outdoor units. Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals. Improper connections can cause excessive heat generation or fire.

  • Page 9: Using Icons List

    Introduction Si01-202 Caution Check to see if the parts and wires are mounted and connected properly, and if the connections at the soldered or crimped terminals are secure. Improper installation and connections can cause excessive heat generation, fire or an electrical shock. If the installation platform or frame has corroded, replace it.

  • Page 10: Part 1 List Of Function

    Si01-202 Part 1 Part 1 Part 1 Part 1 List of Function List of Function List of Function List of Function 1. Functions....................2 1.1 List of Functions ..................2 List of Function...

  • Page 11: Functions

    Longlife Filter — Microprocessor Control Ultra-Longlife Filter (Option) — PAM Control — Photocatalytic Deodorizing Filter — Compressor Oval Scroll Compressor (DAIKIN SCROLL) — Photocatalytic Filter with UV Lamp — Swing Compressor(DAIKIN ROTARY) — Mold Proof Air Filter Rotary Compressor Washable Grille Reluctance DC Motor —...

  • Page 12: Part 2 Specifications

    Si01-202 Part 2 Part 2 Part 2 Part 2 Specifications Specifications Specifications Specifications 1. Specifications ..................4 1.1 Cooling Only.....................4 Specifications...

  • Page 13: Specifications

    Specifications Si01-202 1. Specifications Cooling Only V1 : 50Hz, 220-240V V1A : 50Hz, 220-230-240V Indoor Units FT50GAVE FT50GAVEA FT60GAVE FT60GAVEA Model Outdoor Units R50GV1(9) R50GAV1A(9) R50GV1K(9) R60GV1(9) R60GAV1A(9) R60GV1K(9) Capacity Rated Btu/h 18,100 21,800 kcal/h 4,560 5,500 Moisture Removal Running Current (Rated) 10.1-11.0 10.1-11.2-11.2 10.1-11.0...
  • Page 14 Si01-202 Specifications 60Hz, 200V Indoor Units FT50GAVAL FT60GAVAL Model Outdoor Units R50GVAL(9) R60GVAL(9) Capacity Rated Btu/h 19,100 23,200 kcal/h 4,800 5,850 Capacity (SSA-385/386) Btu/h 15,400 19,100 kcal/h 3,900 4,800 Moisture Removal Running Current (Rated) [JIS/SSA] 10.5/12.0 12.8/14.7 Power Consumption (Rated) [JIS/SSA] 2,180/2,500 2,680/3,060 Power Factor [JIS/SSA]...
  • Page 15 Specifications Si01-202 Specifications...

  • Page 16: Part 3 Printed Circuit Board Connector Wiring Diagram

    Si01-202 Part 3 Part 3 Part 3 Part 3 Printed Circuit Board Printed Circuit Board Printed Circuit Board Printed Circuit Board Connector Wiring Diagram Connector Wiring Diagram Connector Wiring Diagram Connector Wiring Diagram 1. Printed Circuit Board Connector Wiring Diagram and Name ....8 1.1 FT50/60GAVE , FT50/60GAVEA , FT50/60GAVAL.........8 Printed Circuit Board Connector Wiring Diagram...

  • Page 17: Printed Circuit Board Connector Wiring Diagram And Name

    Printed Circuit Board Connector Wiring Diagram and Name Si01-202 Printed Circuit Board Connector Wiring Diagram and Name FT50/60GAVE , FT50/60GAVEA , FT50/60GAVAL Printed Circuit Board (1) (Control PCB) Printed Circuit Board (2) (Powers Supply PCB) Printed Circuit Board (3) (Receiver Sensor PCB) Printed Circuit Board (4) (Display PCB) Name of Connector...
  • Page 18 Si01-202 Printed Circuit Board Connector Wiring Diagram and Name Printed Circuit Board (1) (Control PCB) (R2003) Printed Circuit Board (2) (Power Supply PCB) S201 (R2004) Printed Circuit Board (3), (4) (Receiver Sensor and Display PCB) Receiver Sensor PCB Display PCB LED3 LED4 LED5...
  • Page 19 Printed Circuit Board Connector Wiring Diagram and Name Si01-202 PCB (1) PCB (2) PCB (3) PCB (4) Printed Circuit Board Connector Wiring Diagram...

  • Page 20: Part 4 Main Function

    Si01-202 Part 4 Part 4 Part 4 Part 4 Main Function Main Function Main Function Main Function 1. General Functionality ................12 1.1 General Functionality ................12 Main Function...

  • Page 21: General Functionality

    General Functionality Si01-202 1. General Functionality General Functionality 1.1.1 Cooling Monitoring Function Monitoring function is activated while cooling and program dry operation are suspended. Compressor ON Compressor OFF 〈B〉 Differential 〈A〉 or less or more or less (R1882) : Compressor recycling guard timer (3-minute timer) : 5-minute timer : 4-minute timer 〈...

  • Page 22: Program Dry Operation

    Si01-202 General Functionality 1.1.2 Program Dry Operation By the function of the microcomputer, program dry operation reduces the humidity keeping the temperature in a minimum drop. Room temperature and air volume can not be controlled by room temperature adjusting button and air volume adjusting button because they are controlled automatically.

  • Page 23: Freeze Protection Function

    General Functionality Si01-202 1.1.3 Freeze Protection Function When the indoor heat exchanger temperature falls below “A” °C in cooling or program dry operation, " the compressor and the outdoor fan are forced to turn OFF, and " the indoor fan rotates at the L tap (in cooling operation) or W2 tap (in program dry operation).
  • Page 24 Si01-202 General Functionality 1.1.4 Dew Condensation Protection Function When the cumulative time of the cooling or program dry operation with the temperature of the indoor unit heat exchanger below the preset temperature (7°C) for dew condensation protection function reaches 30 minutes, the dew condensation protection function activates. When the dew condensation protection function turns on, the flap moves to the dew condensation protection flap position, and the lower-limit value of the indoor fan rotation speed rises by 10 rpm every three minutes (L tap + 100 rpm as the upper limit of the lower-limit...
  • Page 25 General Functionality Si01-202 1.1.8 3-minutes Standby Function When the compressor turns OFF, it doesn't turn ON for 3 minutes. 1.1.9 ON-OFF Operation from the Unit The unit can be turned ON from the switch on the front panel. This is handy when the remote controller cannot be found or if the batteries are dead.

  • Page 26: Night Set Mode

    Si01-202 General Functionality 1.1.11 Night Set Mode This mode automatically keeps temperature slightly higher than the temperature setting. In this way, there is no need to worry about overcooling while sleeping, and it also saves on electricity. " Set the OFF timer. "...

  • Page 27: Powerful Operation

    General Functionality Si01-202 1.1.13 Powerful Operation During cool and program dry operation, when the POWERFUL button on the remote controller is pressed, the thermistor setting is changed to the lowest setting of the remote controller and the fan runs at the maximum rpm (Note). During fan operation, air is blown at the maximum fan rpm.
  • Page 28 Si01-202 General Functionality Main Function...
  • Page 29 General Functionality Si01-202 Main Function...

  • Page 30: Part 5 System Configuration

    Si01-202 Part 5 Part 5 Part 5 Part 5 System Configuration System Configuration System Configuration System Configuration Instruction ......................22 1.1 FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL......22 System Configuration...

  • Page 31: Instruction

    Instruction Si01-202 Instruction FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Safety Precautions Read the following warnings and cautions WARNING carefully before operating the system and use it correctly. Failure to follow a warning is very likely to This manual classifies the precautions to the result in such grave consequences as death user into two categories on the right.

  • Page 32: Installation

    Si01-202 Instruction Do not place under the indoor or outdoor unit anything which must be kept away from moisture. Indoor unit : moisture in the air may condense and drip in certain conditions. outdoor unit : during cooling operation, condensation may drip from the piping connections. Do not wash the unit with water.
  • Page 33 Instruction Si01-202 Installation site To install the air conditioner in the following types of environments, consult the shop. Places with an oily ambient or where steam or soot occurs. Salty environment such as coastal areas. Places where sulfide gas occurs such as hot springs. Places where snow may block the outdoor unit.
  • Page 34 Indoor unit Air purifying filter Air inlet Air purifying filters are attached to the inside of the air filters. Front grille Grille tab DAIKIN Diffuser Air filter Air outlet Louvre Flap (vertical blades) (Horizontal blade) The louvre is inside of the air outlet.
  • Page 35 Instruction Si01-202 Remote controller Transmitter Display It sends signals to the indoor unit. It displays the Open current settings. (In this illustration, cover. each section is shown with all its displays ON for the purpose of explanation. Some TEMPERATURE models may not adjustment buttons show all its It changes the temperature...
  • Page 36 Si01-202 Instruction Preparation before Operation Operating the remote controller Remote controller To use the remote controller, aim the Setting the batteries transmitter at the indoor unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, Position + and the unit will not operate.
  • Page 37 Instruction Si01-202 Setting the clock Indoor unit Press Setting the air purifying filters is displayed. Open the front grille. Hold the grille by the tabs on the two blinks. sides and lift it until it stops with a click. (about 60°) Press to set the clock to the TIMER...
  • Page 38 Si01-202 Instruction DRY · COOL · FAN Operation Adjusting the Air Flow Direction The air conditioner operates with the settings of You can adjust the air flow direction to increase your choice. From the next time on, the air your comfort. conditioner will operate with the same settings.
  • Page 39 Instruction Si01-202 Powerful Operation POWERFUL operation quickly maximizes the cooling effect in any operation mode. You can get the maximum capacity with a touch of a button. Pressing the (POWERFUL) button during operation starts POWERFUL operation. POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the settings which were used before POWERFUL operation.
  • Page 40 Si01-202 Instruction Timer Operation Timer functions are useful for automatically ON TIMER operation switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER Check that the clock is correct. If not, set the and ON TIMER in combination.
  • Page 41 Instruction Si01-202 Care and Cleaning CAUTION Cleaning the indoor and outdoor Before cleaning, be sure to stop the units and the remote controller operation and turn the breaker OFF. Wipe them with dry soft cloth. Cleaning the air filters For cleaning, do not use water hotter than 40°C, benzine, gasoline, thinner, nor other (It is recommended to clean them every two weeks.) volatile oils, polishing compound, scrubbing...
  • Page 42 Si01-202 Instruction Check Cleaning the front grille Check that the base, stand and other You may remove the front grille for cleaning. fittings of the outdoor unit are not decayed or corroded. CAUTION When removing or attaching the front grille, use a robust Check that nothing blocks the air inlets and and stable stool and watch your steps carefully.
  • Page 43 Instruction Si01-202 Trouble Shooting These cases are not troubles. The following cases are not air conditioner troubles but have some reasons. You may just continue using it. Case Explanation Operation does not start soon. This is to protect the air conditioner. When ON/OFF button was You should wait for about 3 minutes.
  • Page 44 Si01-202 Instruction Check again Please check again before calling a repair person. Case Check The air conditioner does not Hasn’t a breaker turned OFF or a fuse blown? operate. Isn’t it a power failure? (OPERATION lamp is off) Are batteries set in the remote controller? Is the timer setting correct? Cooling effect is poor.

  • Page 45: After A Power Failure

    Instruction Si01-202 Call the service shop immediately. WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF. Continued operation in an abnormal condition may result in troubles, electric shocks or fire. Consult the service shop where you bought the air conditioner. Do not attempt to repair or modify the air conditioner by yourself.

  • Page 46: Part 6 Service Diagnosis

    Si01-202 Part 6 Part 6 Part 6 Part 6 Service Diagnosis Service Diagnosis Service Diagnosis Service Diagnosis 1. Caution for Diagnosis................38 1.1 Troubleshooting with The Operation Lamp ..........38 2. Problem Symptoms and Measures ............39 2.1 General Check ..................39 2.2 Troubleshooting (Fault Diagnosis and Countermeasure).......40 3.

  • Page 47: Caution For Diagnosis

    Caution for Diagnosis Si01-202 1. Caution for Diagnosis Troubleshooting with The Operation Lamp The Operation lamp flashes when any of the following errors is detected. When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions, disabling equipment operation.

  • Page 48: Problem Symptoms And Measures

    Si01-202 Problem Symptoms and Measures Problem Symptoms and Measures General Check Problem Symptom Check Item Details of Measure Page No. to referred None of The Units Check the power supply. Check to make sure that the rated voltage is — Operates.

  • Page 49: Troubleshooting (Fault Diagnosis And Countermeasure)

    Problem Symptoms and Measures Si01-202 Troubleshooting (Fault Diagnosis and Countermeasure) Case 1 Phenomenon : Air conditioner does not operate. Case 2 Phenomenon : Air conditioner does not operate with wireless remote controller. Case 3 Phenomenon : Air conditioner does not operate, and LED for operation blinks.
  • Page 50 Si01-202 Problem Symptoms and Measures Case 4 Air conditioner does not operate, and LED for operation blinks. Service Diagnosis...
  • Page 51 Problem Symptoms and Measures Si01-202 Case 5 Phenomenon : Air conditioner does not come into cooling though indoor fan is operating. Service Diagnosis...
  • Page 52 Si01-202 Problem Symptoms and Measures Case 6 Phenomenon : Air conditioner does not come into cooling though indoor fan is operating. Service Diagnosis...

  • Page 53: Service Check Function

    Service Check Function Si01-202 3. Service Check Function Remote Controller Display The temperature display sections on the main unit indicate corresponding codes. 1. When the timer cancel button is held down for 5 seconds, a “00” indication flashes on the temperature display section.

  • Page 54: Troubleshooting By Indication On The Remote Controller

    Si01-202 Troubleshooting by Indication on the Remote Controller Troubleshooting by Indication on the Remote Controller Indoor Units - : Not used for troubleshooting ∗ : Varies depending on the cases. Indication on the Description of The Fault Details of fault remote (Refer to the controller...

  • Page 55: Faulty Pcb

    Troubleshooting by Indication on the Remote Controller Si01-202 Faulty PCB Remote Controller Display Indoor unit LED Display Method of Evaluation of zero-cross detection of power supply by indoor unit. Malfunction Detection Malfunction When there is no zero-cross detection in approximately 10 continuous seconds. Decision Conditions "...

  • Page 56: Freeze-Up Protection (Thermistor Activation)

    Si01-202 Troubleshooting by Indication on the Remote Controller Freeze-Up Protection (Thermistor Activation) Remote Controller Display Indoor unit LED Display " Method of The freeze protection control (operation halt) is activated during cooling operation according to the temperature detected by the indoor unit heat exchanger thermistor. Malfunction Detection "...

  • Page 57: Operation Halt Due To Fan Motor (Ac Motor) Or Related Abnormality

    Troubleshooting by Indication on the Remote Controller Si01-202 Operation Halt Due to Fan Motor (AC Motor) or Related Abnormality Remote Controller Display Indoor unit LED Display Method of The rotation speed detected by the hall IC during fan motor operation is used to determine abnormal fan motor operation.

  • Page 58: Operation Halt Due To Detection Of Thermistor Or Related Abnormality

    Si01-202 Troubleshooting by Indication on the Remote Controller Operation Halt Due to Detection of Thermistor or Related Abnormality C4, C9 Remote Controller Display Indoor unit LED Display Method of The temperatures detected by the thermistors are used to determine thermistor errors. Malfunction Detection Malfunction...

  • Page 59: Faulty Indoor Unit Pcb

    Troubleshooting by Indication on the Remote Controller Si01-202 Faulty Indoor Unit PCB ∗ Remote Controller Display Indoor unit LED Display Method of The proper program operation of the microcomputer is checked by the program. Malfunction Detection Malfunction When the microcomputer program does not function properly. Decision Conditions "...

  • Page 60: Check

    Si01-202 Check 5. Check How to Check 5.1.1 Thermistor Resistance Check Check No.5 Remove the connectors of the thermistors on the PCB, and measure the resistance of each thermistor using tester. The relationship between normal temperature and resistance is shown in the graph and the table below.
  • Page 61 Check Si01-202 5.1.2 Inverter Units Hall IC Check Check No.16 1. Check the connector connection. 2. With the power ON, operation OFF, and the connector connected, check the following. ∗ Output voltage of about 5 V between pins 1 and 3. ∗...

  • Page 62: Part 7 Removal Procedure

    Si01-202 Part 7 Part 7 Part 7 Part 7 Removal Procedure Removal Procedure Removal Procedure Removal Procedure 1. For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL ....54 1.1 Removal of Air Filter................54 1.2 Removal of Front Grille ................56 1.3 Opening and Closing of Service Cover / Changing Settings at Installation Site.............57 1.4 Removal of Front Panel................58...

  • Page 63: For Ft50 / 60Gave, Ft50 / 60Gavea, T50 / 60Gaval

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Removal of Air Filter Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points 1.
  • Page 64 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points " Remove air filter by Left and right filters are pulling forward. interchangeable. " To re-install, insert air filter along the guide. Removal Procedure...

  • Page 65: Removal Of Front Grille

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Removal of Front Grille Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Pull protrusions on left and right sides of front panel and open grille until it locks in position.

  • Page 66: Opening And Closing Of Service Cover / Changing Settings At Installation Site

    Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Opening and Closing of Service Cover / Changing Settings at Installation Site Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points 1. External features Remove service cover mounting screw.

  • Page 67: Removal Of Front Panel

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Removal of Front Panel Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points Lift horizontal blade to open position. Remove screw covers at three locations, then remove screws.
  • Page 68 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points To remove front panel, take out air filter and disengage two hooks on upper side of than three hooks on lower side of flap. " Top side is provided Four hooks are provided on with four hooks.

  • Page 69: Removal Of Horizontal And Vertical Blades

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Removal of Horizontal and Vertical Blades Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points Lift horizontal blade to open position. Disengage horizontal blade from three blade retaining sections.

  • Page 70: Removal Of Drain Pan

    Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Removal of Drain Pan Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Remove front grille. " Remove electrical box. " Wrap a thin cloth around the tip of screwdriver, and pry open the cover.
  • Page 71 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Step Procedure Points Disengage hook on left side. Dismount left side of drain pan from the unit. Dismount right side of drain pan from the unit. Disconnect drain hose. Warning! Hold the bottom of drain hose and disconnect drain hose.

  • Page 72: Removal Of Pc Board

    Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Removal of PC Board Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Remove front panel. Remove water-proofing plate. Cover can be removed by moving hook outward.
  • Page 73 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Step Procedure Points Disconnect earth wire. Disconnect heat exchanger thermistor. Disconnect swing motor When disconnecting wire wire harness. harness, pull out the connector holding terminal section of connector. Pull out printed circuit Do not hold lead wire.
  • Page 74 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points Pull out power supply printed circuit board slightly. After disconnecting power supply terminal and motor wire harness, remove power supply printed circuit board. Fan motor : S1 Removal Procedure...

  • Page 75: Removal Of Electrical Parts Box

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Removal of Electrical Parts Box Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points Remove thermistors, earth wire and connectors (S1, S6) Remove screw located at right lower side of electrical box.
  • Page 76 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points Unplug connector of fan motor wire harness. (S1) Move electrical box slightly to right, then pull out box forward. Caution! Do not catch the putty on protrusion of drain guide in the flame protection panel.

  • Page 77: Removal Of Swing Motor Assembly

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Removal of Swing Motor Assembly Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Remove front panel. The number of motors varies "...

  • Page 78: Piping Of Drain Hose At Left Side

    Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL 1.10 Piping of Drain Hose at Left Side Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points Remove drain pan. (Refer page 61.) Pull out drain plug located on left side of Warning!

  • Page 79: Removal Of Heat Exchanger

    For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 1.11 Removal of Heat Exchanger Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Conduct pump-down Warning! operation. If gas leaks, repair the leak Remove bottom cover location, then collect all located at lower part of...
  • Page 80 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points " For removal of front grille, drain pan, electrical box and other parts, see reference pages. 1. Lifting heat exchanger Remove screw holding heat exchanger mounting plate in place. While raising heat Caution! exchanger, pull it...
  • Page 81 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Step Procedure Points 2. Remove the heat exchanger from the right side plate. There are hooks on right side plate. Removal Procedure...
  • Page 82 Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Step Procedure Points 3. Loosening pipe retaining plate Disengage hook on pipe retaining plate. " Pull auxiliary pipe Be careful to prevent pipe forward to an angle of deformation. 10 to 20 degree.
  • Page 83 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL Si01-202 Step Procedure Points Pull out the heat Warning! exchanger along the Do not mix any gas (including pipe from the unit. air) other than the specified refrigerant (R22) into refrigerating cycle.

  • Page 84: Removal Of Fan Rotor And Motor

    Si01-202 For FT50 / 60GAVE, FT50 / 60GAVEA, FT50 / 60GAVAL 1.12 Removal of Fan Rotor and Motor Procedure Warning Be sure to turn off all power supplies before disassembling work. Step Procedure Points " Remove front panel, drain pan, electrical parts box and heat exchanger from the unit.

  • Page 85: For R60Gv1(K)(9), R60Gav1A(9), R60Gval(9)

    For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Si01-202 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Removal of Outer Panel Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points To dismount top panel, remove four mounting screws (A).

  • Page 86: Removal Of Electrical Parts Box

    Si01-202 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Removal of Electrical Parts Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove wire harness connectors from printed circuit board and a coil for four-way valve.
  • Page 87 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Si01-202 Step Procedure Points Remove top insulation material from compressor. " Terminal code is printed. Do not scorch the indication with the flame of welder. Also record terminal code on a memo paper in case the indication becomes illegible.
  • Page 88 Si01-202 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Step Procedure Points Remove the screw. Take off the electrical parts box. Removal Procedure...

  • Page 89: Removal Of Compressor

    For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Si01-202 Removal of Compressor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points " Make sure that there is no refrigerant in the unit before disassembling.
  • Page 90 Si01-202 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Step Procedure Points After disconnecting refrigerant pipes, remove three washer nuts that secure compressor in place. Use open-end wrench to remove washer nut (a) located on right front side. Use T-handle box wrench to loosen nuts (b) and (c).
  • Page 91 For R60GV1(K)(9), R60GAV1A(9), R60GVAL(9) Si01-202 Removal Procedure...

  • Page 92: Part 8 Others

    Si01-202 Part 8 Part 8 Part 8 Part 8 Others Others Others Others 1. Others ....................84 1.1 Points of Installation Work..............84 Others...

  • Page 93: Others

    Others Si01-202 1. Others Points of Installation Work 1.1.1 Method of Operating Air Conditioners Individually (When Two Units are Installed in One Room) " How to set the different addresses. " When two indoor units are installed in one room, the two wireless remote controllers can be set for different addresses.
  • Page 94 Si01-202 Others 1.1.3 Dry Keep Change-over Switch Jumper Function When connected When cut (On indoor PC (factory set) Board) Power failure recovery Auto start Unit does not resume operation function after recovering from a power failure. Timer ON-OFF settings are cleared. Fan speed setting when Fan speed setting ;...
  • Page 95 Others Si01-202 Others...

  • Page 96: Part 9 Appendix

    Si01-202 Part 9 Part 9 Part 9 Part 9 Appendix Appendix Appendix Appendix 1. Piping Diagram..................88 1.1 Indoor Unit....................88 1.2 Outdoor Unit ...................89 2. Wiring Diagram ..................91 2.1 Indoor Unit....................91 2.2 Outdoor Unit ...................92 Appendix...

  • Page 97: Piping Diagram

    Piping Diagram Si01-202 1. Piping Diagram Indoor Unit FT50 / 60GAVE(A) FT50 / 60GAVAL INDOOR UNIT HEAT EXCHANGER THERMISTOR ON HEAT EXCH. FIELD PIPING ( 6.4CuT ) CROSS FLOW FAN FAN MOTOR FIELD PIPING ( 15.9CuT ) REFRIGERANT FLOW C : 4D005343C COOLING Appendix...

  • Page 98: Outdoor Unit

    Si01-202 Piping Diagram Outdoor Unit R50 / 60GV1(9) , R50GV1K(9) OUTDOOR UNIT HEAT EXCHANGER LIQUID STOP VALVE FIELD PIPING ( 6.4CuT ) CAPILLARYTUBE PROPELLER FAN FIELD PIPING SEE NOTE ACCUMULATOR GAS STOP VALVE WITH SERVICE PORT NOTE: 1.GAS PIPE SPECIFICATION 9.5CuT 12.7CuT COMPRESSOR...
  • Page 99 Piping Diagram Si01-202 R50 / 60GAV1A(9) , R50 / 60GVAL(9) OUTDOOR UNIT HEAT EXCHANGER LIQUID STOP VALVE FIELD PIPING ( 6.4CuT ) CAPILLARYTUBE FIELD PIPING PROPELLER FAN ( 15.9CuT ) ACCUMULATOR GAS STOP VALVE WITH SERVICE PORT COMPRESSOR 4D028567 Appendix...

  • Page 100: Wiring Diagram

    Si01-202 Wiring Diagram 2. Wiring Diagram Indoor Unit FT50 / 60GAVE(A) FIELD WIRING. → PCB3 PCB1 PCB2 outdoor 3.15A GRN/YLW : FRAME GROUND : FUSE H1 , H2 , H3 : HARNESS H1P , H2P , H3P : PILOT LAMP : LIGHT EMITTING DIODE : FAN MOTOR : SWING MOTOR...

  • Page 101: Outdoor Unit

    Wiring Diagram Si01-202 Outdoor Unit R50GV1(K)(9) , R50GVAL(9), TO INDOOR UNIT C11R 3.15A X11A C12R POWER SUPPLY C11R , C12R :RUNNING CAPACITOR M1F :FAN MOTOR NOTES :NEUTRAL 1. REFER TO THE NAMEPLATE FOR :FUSE THE POWER REQUIREMENTS. Q1L :OVERLOAD PROTECTOR :SURGE ARRESTER X11A :CONNECTOR :SURGE ARRESTER...
  • Page 102 Si01-202 Wiring Diagram R60GVAL(9) R60GV1(K)(9) TO INDOOR UNIT C11R 3.15A C12R X11A POWER SUPPLY C11R , C12R :RUNNING CAPACITOR M1F :FAN MOTOR NOTES 1. REFER TO THE NAMEPLATE FOR :SURGE ARRESTER :NEUTRAL THE POWER REQUIREMENTS. :SURGE ARRESTER S1T :THERMOSTAT :FUSE X11A :CONNECTOR :COMPRESSOR RELAY X1M :TERMINAL STRIP...
  • Page 103 Wiring Diagram Si01-202 R60GAV1A(9) TO INDOOR UNIT C11R GRN/YLW POWER SUPPLY 3.15A AC220-240V ~50Hz C12R X11A EARTH GRN/YLW K1M : COMPRESSOR RELAY : LIVE M1C : COMPRESSOR MOTOR M1F : FAN MOTOR : NEUTRAL C11R , C12R : RUNNING CAPACITOR S1T : THERMOSTAT F1S , F2S : SURGE ARRESTER...

  • Page 104: Index

    Si01-202 Index Index Index Index Numerics 3-minutes Standby Function ........16 General Check ............39 General Functionality ..........12 A1 ................46 A5 ................47 Instruction .............. 22 A6 ................48 Inverter Units Hall IC Check ........52 Auto-fan Speed ............15 Auto-restart Function ..........16 Auto-swing of Flaps ..........15 Location of Operation Lamp FT50 / 60GAVAL ..........
  • Page 105 Si01-202 Troubleshooting (Fault Diagnosis and Countermeasure) Air conditioner does not come into cooling though indoor fan is operating ..42, 43 Air conditioner does not operate ......40 Air conditioner does not operate with wireless remote controller .........40 Air conditioner does not operate, and LED for operation blinks ......40, 41 Troubleshooting by Indication on the Remote Controller...
  • Page 106 Si01-202 Drawings & Flow Charts Drawings & Flow Charts Drawings & Flow Charts Drawings & Flow Charts Auto-fan Speed ............15 Night Set Mode ............. 17 Auto-swing of Flaps ..........15 Operation Halt Due to Detection of Thermistor or Control PCB .............9 Related Abnormality ........
  • Page 107 Head office: Zandvoordestraat 300, B-8400 Oostende, Belgium Umeda Center Bldg., 4-12, Nakazaki-Nishi 2-chome, Kita-ku, Osaka, 530-8323 Japan Tokyo office: Shinjuku Sumitomo Bldg., 6-1 Nishi-Shinjuku 2-chome, Shinjuku-ku, Tokyo, 163-0235 Japan ! For further improvement, specifications or designs are subject to change without prior notice. Printed in Singapore 08/2002 AK...

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