Fujitsu AW*Z24LBC Service Instruction
  1. Manuals
  2. Brands
  3. Fujitsu Manuals
  4. Air Conditioner
  5. AW?Z24LBC
  6. Service instruction
Fujitsu AW*Z24LBC Service Instruction

Fujitsu AW*Z24LBC Service Instruction

Ceiling wall inverter
Hide thumbs Also See for AW*Z24LBC:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
SPLIT TYPE
ROOM AIR CONDITIONER
CEILING WALL
type
INVERTER
SERVICE
INSTRUCTION
Models
Indoor unit
Outdoor unit
AO Z24LBT
AW Z24LBC
R410A

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the AW*Z24LBC and is the answer not in the manual?

Questions and answers

Related Manuals for Fujitsu AW*Z24LBC

Summary of Contents for Fujitsu AW*Z24LBC

  • Page 1 SPLIT TYPE ROOM AIR CONDITIONER CEILING WALL type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AO Z24LBT AW Z24LBC R410A...

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATION AW *Z24LBC, AO*Z24LBT..................... 01-01 2. DIMENSIONS AW *Z24LBC, AO*Z24LBT ..................... 02-01 3. REFRIGERANT SYSTEM DIAGRAM AW *Z24LBC, AO*Z24LBT ..................... 03-01 4. CIRCUIT DIAGRAM AW *Z24LBC, AO*Z24LBT..................... 04-01 5. DESCRIPTION OF EACH CONTROL OPERATION 1. COOLING OPERATION....................05-01 2.
  • Page 3 6. REFRIGERANT CAUTION -R410A- 1. R410A TOOLS......................06-01 2. PRECAUTION FOR INSTALLATION................. 06-02 3. PRECAUTION FOR SERVICING................06-04 4. NEW REFRIGERANT R410A..................06-05 5. DEFFERENCE FROM CONVENTIONAL MODEL(R22) AND PRECAUTIONS..06-08 7. TROUBLE SHOOTING 1. WHEN THE UNIT DOES NOT OPERATE AT ALL............ 07-01 2.

  • Page 4: Specification

    R410A CEILING WALL type INVERTER 1 . SPECIFICATIONS...

  • Page 5: Aw *Z24Lbc, Ao*Z24Lbt

    SPECIFIC ATIONS COMPRESSOR TYPE Cooling and heating inverter Hermetic type, DC Inverter, TYPE Twin rotary INDOOR UNIT AW *Z24LBC DISCRIMINATION 5KD240XAD21 OUTDOOR UNIT AO*Z24LBT R410A 1,900 g REFRIGERANT COOLING CAPACITY 7.1 kW HEATING CAPACITY 8.5 kW REFRIGERANT CHARGE (R410A) ELECTRICAL DATA Pipe Length 15 m 1,900 g...

  • Page 6: Dimensions

    R410A CEILING WALL type INVERTER 2 . DIMENSIONS...
  • Page 7 D I M E N S I O N S Models : AW * Z24LBC INDOOR UNIT (Unit : mm) 02-01...
  • Page 8 Models : AO * Z24LBT OUTDOOR UNIT (unit : mm) Air Flow 02-02...

  • Page 9: Refrigerant System Diagram

    R410A CEILING WALL type INVERTER 3 . REFRIGERANT SYSTEM DIAGRAM...
  • Page 10 R EFRI G ER ANT SYST EM D IA GR AM Models : AW * Z24LBC / AO * Z24LBT Heat exchanger ( INDOOR ) 3-Way valve (Large) 2-Way valve Muffler (Small) Pressure Strainer switch Expansion valve 4-Way valve Heat exchanger Strainer ( OUTDOOR ) Cooling...

  • Page 11: Circuit Diagram

    R410A CEILING WALL type INVERTER 4 . CIRCUIT DIAGRAM...
  • Page 12 C I R C U I T DI A GRA M Models : AW * Z24LBC INDOOR UNIT AIR FILTER (LEFT) SW (LEFT) THERMAL FUSE 102 AIR FILTER (RIGHT) INDICATOR PCB SW (RIGHT) CN208 1 2 3 4 5 1 2 3 4 5 6 7 8 1 2 3 4 5 THERMAL FUSE 102...
  • Page 13 Models : AO * Z24LBT OUTDOOR UNIT HIGH PRESSURE SWITCH CN90 COMPRESSOR TEMP. THERMISTOR BROWN CN64 BROWN CN400 CN42 CN40 CN200 OUTDOOR TEMP. THERMISTOR BLUE CN62 BLUE PIPE TEMP. THERMISTOR BLACK CN61 BLACK CONTROLLER PCB DISCHARGE TEMP. THERMISTOR ( MAIN PCB ) BROWN CN60 BROWN...

  • Page 14: Description Of Each Control Operation

    R410A CEILING WALL type INVERTER 5 . DESCRIPTION OF EACH CONTROL OPERATION...

  • Page 15: Cooling Operation

    1. COOLING OPERATION 1-1 COOLING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is 2°C higher than a set temperature, the compressor operation frequency will attain to maximum performance.

  • Page 16: Heating Operation

    2. HEATING OPERATION 2-1 HEATING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is lower by 3°C than a set temperature, the compressor operation frequency will attain to maximum performance.

  • Page 17: Dry Operation

    3. DRY OPERATION 3-1 INDOOR UNIT CONTROL The compressor rotation frequency shall change according to the temperature, set temperature, and room temperature variation which the room temperature sensor of the indoor unit body has detected as shown in the Table 3. However, after the compressor is driven, the indoor unit shall run at operation frequency of 58Hz, for a minute.

  • Page 18: Auto Changeover Operation

    4. AUTO CHANGEOVER OPERATION When the air conditioner is set to the AUTO mode by remote control, operation starts in the optimum mode from among the HEATING, COOLING, DRY and MONITORING modes. During operation, the optimum mode is automatically switched in accordance with temperature changes. The temperature can be set between 18°C and 30°C in 1°C steps.

  • Page 19: Indoor Fan Control

    5. INDOOR FAN CONTROL (1).Fan speed ( Table 5 : Indoor Fan Speed ) AW * Z24LBC Operation mode Air flow mode Speed (rpm) Heating 1,700 1,610 1,510 1,390 Quiet 1,260 S-Quiet 1,120 Cool air prevention S-Lo Cooling 1,500 1,370 1,250 Quiet 1,130...
  • Page 20 (3).COOLING OPERATION Switch the airflow [AUTO], and the (Fig.6) indoor fan motor will run according airflow change - over ( Cooling:AUTO ) to a room temperature, as shown in When the room Figure 6. temperature rises On the other hand, if switched in HIGH mode +2.5°C [HIGH]...

  • Page 21: Outdoor Fan Control

    6. OUTDOOR FAN CONTROL (1). Fan speed Table 6 : Fan speed (Cooling, Dry) Zone Cooling A to D 850/780/700/500rpm 550/450rpm AW * Z24LBC 500/250/200rpm 500/250/200rpm 320/250/200rpm 320/250/200rpm Refer to Fig.1 Table 7 : Fan speed (Heating) Heating AW * Z24LBC 900/780/700/550/450rpm The outdoor fan speed is changed in the range of the speed shown in the above table, based on the frequency of the compressor.

  • Page 22: Louver Control

    7. LOUVER CONTROL (1). LOUVER CONTROL When the indoor control interface device receives a control signal light from the remote control, it will actuate, the step motor according to the control signal, and set the louver to each position. In addition, if the air conditioner is stopped, vertical louver will be closed automatically. Vertical Air Direction Adjustment (Function Range) Each time the button is pressed, the air direction range will change as follow:...

  • Page 23: Compressor Control

    8. COMPRESSOR CONTROL (1). OPEARTION FREQUENCY RANGE The operation frequency of the compressor is different based on the operation mode as shown in the table 9. (Table 9 : Compressor Operation Frequency Range) Cooling Heating AW * Z24LBC 21Hz 75Hz 21Hz 87Hz 23Hz...

  • Page 24: Timer Operation Control

    9. TIMER OPEARTION CONTROL The table 9 shows the available timer setting based on the product model. (Table 9 : Timer Setting) ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER AW * Z24LBC (1). OPEARTION FREQUENCY RANGE OFF timer : When the clock reaches the set time, the air conditioner will be turned off. Operation mode Stop mode Set time of timer...
  • Page 25 (3). SLEEP TIMER If the sleep is set, the room temperature is monitored and the operation is stopped automatically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time ON. In the cooling operation mode When the sleep timer is set, the setting temperature is increased 1°C.

  • Page 26: Electronic Expansion Valve Control

    10. ELECTRONIC EXPANSION VALVE CONTROL The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the following values. The compressor frequency, the temperatures detected by the discharge temperature sensor, the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor.

  • Page 27: Manual Auto Operation (Indoor Unit Body Operation)

    15. MANUAL AUTO OPERATION (Indoor unit body operation) If MANUAL AUTO Button is set (Push a MANUAL AUTO button for 3~10 seconds), the operation is controlled as shown in Table 10. If the remote control is lost or battery power dissipated, this function will work without the remote control.

  • Page 28: Uv Filter Cleaning Control

    19. UV FILTER CLEANING CONTROL 1. SETTING METHOD (1) Manual filter cleaning function - Press [FILTER] button on remote controller to start filter cleaning. (2) Automatic cleaning function - Filter maintenance interval can be set at either 50 hours or 100 hours with the remote controller ([SET TIME] button is kept pressed - refer to the operation manual).
  • Page 29 5. OPERATING FUNCTION - UV filter cleaning function UV LED is turned on during the filter cleaning operation to remove bacteria or to deodorize. < Condition to light up UV-LED > UV-LED is lighted up after 5 seconds of starting the filter cleaning operation. If error is occurred during the filter operation, it is turned off.

  • Page 30: Defrost Operation Control

    20. DEFROST OPERATION CONTROL (1). CONDITION OF STARTING THE DEFROST OPERATION The defrost operation starts when the outdoor heat exchanger temperature sensor detects the temperature lower than the values shown in Table 15. (Table 15 : Condition of starting Defrost Operation) time defrosting Compressor operating time after starting...
  • Page 31 Defrost Flow Chart The defrosting shall proceed by the integrating operation time and outdoor heat exchanger temperature as follows. Heating operation start : Compressor ON (Not defrosted for 10 minutes) (In case of 1st defrost) (In case of 2nd and later defrost) Compressor integrating Compressor integrating Compressor integrating...

  • Page 32: Off Defrost Operation Control

    21. OFF DEFROST OPEARTION CONTROL When operation stops in the [Heating operation] mode, if frost is adhered to the outdoor unit heat exchanger, the defrost operation will proceed automatically. In this time, if indoor unit operation lamp flashes slowly (7 sec ON / 2 sec OFF), the outdoor unit will allow the heat exchanger to defrost, and then stop.

  • Page 33: Various Protections

    22. VARIOUS PROTECTIONS (1). DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature. When the discharge temperature becomes higher than Temperature ,the compressor frequency is decreased 20 Hz, and it continues to decrease the frequency for 20 Hz every 120 seconds until the temperature becomes lower than Temperature .
  • Page 34 (3). ANTIFREEZING CONTROL (Cooling and Dry mode) The compressor frequency is decrease on cooling & dry mode when the indoor heat exchanger temperature sensor detects the temperature lower than Temperature . Then, the anti-freezing control is released when it becomes higher than Temperature . (Table 17 : Anti-freezing Protection Operation / Release Temperature) Temperature Temperature...
  • Page 35 (6). COMPRESSOR TEMPERATURE PROTECTION When the compressor temperature sensor detects higher than Temperature in the table below, the compressor is stopped. The protection is released when the compressor temperature sensor detects Temperature in the table below after 3 minutes of compressor stop. (Table 22 :Operating Temperature of Compressor Protection) Temperature Temperature...

  • Page 36: Refrigerant Caution -R410A

    R410A CEILING WALL type INVERTER 6 . REFRIGERANT CAUTION -R410A-...

  • Page 37: R410A Tools

    1. R410A TOOLS This air conditioner used R410A. TOOLS AND EQUIPMENT (R410A) For installation and servicing, it is necessary to prepare the tools and machines that are different from the previous Pressure control and Gas charging refrigerant. Circuit switching Safety charger Fig.4-13 Mark shows the exclusive use for R410A.

  • Page 38: Precaution For Installation

    2. PRECAUTION FOR INSTALLATION Precaution for installation Pipe diameter, recommended material and wall thickness Nominal diameter 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1 1/8" 1 1/4" 1 3/8" 1 1/2" (in) Outside diameter 6.35 9.52 12.70 15.88 19.05 22.22 25.40 28.58 31.75 34.92...
  • Page 39 Be careful not to mix moisture and contamination into the pipe Moisture contamination in the pipe is a cause of trouble. Air purge Always use a vacuum pump to purge air. Refrigerant charge Don't charge from the phase side. Do it always from the liquid phase side.

  • Page 40: Precaution For Servicing

    3. PRECAUTION FOR SERVICING Feature 1 Refrigerant oil is different from before. Precaution on Tools Refrigerant oil for Different point from New Refrigerant previous one Use the gauge manifold and charge hose Synthetic oil Absorbent character for New Refrigerant(HFC), which shall is high.

  • Page 41: New Refrigerant R410A

    4. NEW REFRIGERANT R410A What is HFC ? Phase-out schedule of HCFC according to Montreal protocol (HCFC consumption of 1989) + 100% = (CFC consumption of 1989) x 2.8% total abolition only service use started control 0.5% 1996 2000 2004 2010 2015 2020...
  • Page 42 Ozone Layer depleting mechanism sunbeam Ozone CFCl What is CFC and HCFC? CFC : Chloro-Fluoro-Carbon High ODP( ozone depletion potential ) chemical compound, including chlorine. (ODP:0.6-1.0) For example : R12 (for refrigerator and car air-conditioner) HCFC : Hydro-Chloro-Fluoro-Carbon Low ODP chemical compound, including chlorine and hydrogen. (ODP:0.02-01) For example : R22 (for air-conditioner) : Hydro-Fluoro-Carbon...
  • Page 43 Summary of R407C and R410A characteristics R410A R407C higher system similar pressure as R22 performance (possible to design Advantage Near-Azeotropic large equipment) refrigerant 1.6 times higher Zeotropic refrigerant pressure than R22 Disadvantage (handle with care) (difficult to design against pressure resistance) Large Air-Conditioners Suitable for Small Air-Conditioners...

  • Page 44: Defference From Conventional Model(R22) And Precautions

    5. DEFFERENCE FROM CONVENTIONAL MODEL (R22) AND PRECAUTIONS • Use new synthetic oils such as ester because HFC series refrigerant has less solubility with mineral oils conventionally used for R22. • As these new synthetic oils are easily influenced by moisture and dusts, they must be treated more care- fully than the conventional lubricating oils.

  • Page 45: Trouble Shooting

    R410A CEILING WALL type INVERTER 7 . TROUBLE SHOOTING 1. When the unit does not operate at all (Operation lamp and Timer lamp do not light up) 2. Self Diagnosis Function (Either Operation lamp or Timer lamp is blinking) * How to operate the self-diagnosis function * Self- diagnosis table and Check points 3.
  • Page 46 Does not operate at all (Operation Lamp and Timer Lamp do not light up) [Check Point] (1) Is the input power voltage from the exclusive circuit AC outlet normal? (2) Is the AC plug inserted to the AC outlet securely and not loose? Does not connected cable do wrong wiring? (4) Check if each connector is inserted securely.

  • Page 47: Self Diagnosis Function

    SELF-DIAGNOSIS FUNCTION This function memorizes the self-diagnosis function (lamp display) in the in door control P.C.Board when trouble occurs. (The memory contents are not destroyed even when the power cord is unplugged from the AC outlet.) The self-diagnosis function (lamp display) can also be switched between major classification display and minor classification display and precise diagnosis can be made.
  • Page 48 07-03...
  • Page 49 07-04...
  • Page 50 07-05...
  • Page 51 07-06...
  • Page 52 Serial Signal Receiving Error [Check Point] Check which has a cause of error, either Indoor unit or Outdoor unit. * Remove indoor unit front panel and cable clampers and keep the terminal block clear so that it can be measured with a meter. * Remove AC power and reset the power, and press Test Operation switch on remote control.

  • Page 53: Ipm Protection

    IPM Protection [Checking Points] Check the following points and locate the cause in the outdoor unit. [Cause]...

  • Page 54: Active Filter Failure

    Active Filter Failure [Checking points] Check the following points and locae the cause in the outdoor unit. [Cause] (1) Incorrect wiring (2) Active Filter Module defective (3) PC Board defective (4) DC voltage detectiion circuit defective [First Step]...

  • Page 55: Trouble Shooting Of Refrigerant Cycle

    Trouble Shooting of Refrigerant Cycle [Diagnosis Table for Defective Component] : Item of most possible cause Cooling High Compressor Discharge IPM Protection Pressure Location error Temperature Error Protection Refrigerant leak Compressor failure(*) EEV failure (*) Thermistor failure (*) (*) Trouble Shooting Method (1) Checking method of the compressor failure Insert the AC plug and start up the cooling operation.

  • Page 56: Appending Data

    R410A CEILING WALL type INVERTER 8 . APPENDING DATA 1. Jumper setting of Indoor unit and Outdoor unit 2. Outdoor unit Pressure Value and Total Electric Current Curve 3. Capacity/Input Data 4. Thermistor Resistance Values...
  • Page 57 JP (Jumper) Setting [Indoor Unit] AW * Z24LBC - Remote control custom code When multiple number of indoor units are installed in the same room, erroneous receipt of the signal can be avoided by setting up the remote control custom code separately. To set up the remote control custom code, always set up the same code on both indoor unit PCB and remote control PCB.
  • Page 58 Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling) Model Name : AW * Z24LBC [Condition] Ambient Indoor / Outdoor - Same temperature temperature Refrigerant Standard amount amount Piping 7.5m (Height difference 1m) length Power 50Hz - 230V voltage Operation TEST mode (Cooling), Hi Fan, Horizontal direction, Front air flow...
  • Page 59 Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating) Model Name : AW * Z24LBC [Condition] Ambient Indoor 15 - 23degC, Outdoor 2 - 12degC temperature Refrigerant Standard amount amount Piping 7.5m (Height difference 1m) length Power 50Hz - 230V voltage Operation...
  • Page 60 AW * Z24LBC Capacity/Input data (1/2) Heating <Capacity> Under construction < Input > Under construction *Defrosting operation is performed when temperature is less than 5.5 degrees C. Frost appears on an outdoor unit heat exchanger at 5.5 or less degrees C. *Solid line:Integral capacity/Input containing the defrosting cycle.
  • Page 61 Cooling < Capacity > Under construction < Input > Under construction *Both capacity and input change largely when temperature is 10 or less degrees C, as outdoor fan speed is decreased due to low ambient temperature cooling control. *Both capacity and input change more largely at less than 0 degrees C of ambient temperature as outdoor fan speed is decreased further.
  • Page 62 Thermistor resistance values Characteristics of room temperature thermistor Room temperature thermistor Indoor heat exchanger thermistor 40.00 Resistance(k ) Voltage(V) Resistance(k ) Voltage(V) Temp ( C) Temp ( C) 35.00 0.00 33.62 1.15 0.00 176.03 1.10 30.00 5.00 25.93 1.39 5.00 134.23 1.36 25.00...

  • Page 63: Replacement Parts

    R410A CEILING WALL type INVERTER 9 . REPLACEMENT PARTS...
  • Page 64 RE P LA CEM EN T PA R T S Models : AW * Z24LBC 09-01...
  • Page 65 RE P LA CEM EN T PA R T S Models : AW * Z24LBC 09-02...
  • Page 66 RE P LA CEM EN T PA R T S Models : AW * Z24LBC 09-03...
  • Page 67 RE P LA CEM EN T PA R T S Models : AO * Z24LBT 09-04...
  • Page 68 RE P LA CEM EN T PA R T S Models : AO * Z24LBT 09-05...
  • Page 69 RE P LA CEM EN T PA R T S PROCESS Install PWB ASSY REGULATIONS A euphotic part board and a connector are pulled out from a hole. When caught, don't pull out forcibly. Like a fig.2~4 CONNECTOR PWB through the hole A, and slide PWB ASSY, and set PWB ASSY by the ditches.
  • Page 70 RE P LA CEM EN T PA R T S PROCESS Attachment of a remote euphotic case Assemble REGULATIONS The connector side of a euphotic board Is inserted under a hook like Fig.1, and it fixes. Don't push a photograph amplifier capacitor with a finger. The lid of a euphotic case is closed.
  • Page 71 RE P LA CEM EN T PA R T S Fig.5 Fig.4 Attach a euphotic case in a substrate lid like Fig. Unite the slot of a euphotic case with the slot of a sulid. slot A Fig.6 fig.4 Euphotic harness is fixed together with a lead (display) Take about harness, as shown in a figure.
  • Page 72 RE P LA CEM EN T PA R T S PROCESS Installation of an electrical control unit Unit Electrical Control unit Cover Binder Tape (L=60mm) Screw spring Screw EMI Filter Binder 09-09...
  • Page 73 RE P LA CEM EN T PA R T S The rib of electrical Hook is the box should insert inner side of in to the slot on the the rib of casing. casing screw boss. Casing Evaporator holder R rib Casing rib 09-10...
  • Page 74 RE P LA CEM EN T PA R T S Instllation of UV unit connector - sensor case - Connect UV unit lead to relay connector. UV unit lead Relay connector 5~10mm (Distance from heat exchanger end) Sensor case D - D Sensor case 09-11...
  • Page 75 RE P LA CEM EN T PA R T S Wirering of ground lead, UV unit lead, and room temperature thermistor lead. Hold a UV unit lead and Pipe thermistor lead with ground lead. Lead connection details Ground wire Evaporator Grounding terminal UV unit lead Room temperature thermistor lead...
  • Page 76 RE P LA CEM EN T PA R T S Wiring of a piping thermistor lead Don't slack each lead in the heat exchanger cover upper part. Spring Do not touch each lead and the spring. Remainder of each lead (UV unit, room temperature, piping thermistor lead) is put in between a heat exchanger cover and an electrical control unit, as shown in the above figure.
  • Page 77 RE P LA CEM EN T PA R T S Installation of a connector for louver board Electronic equipment lid rib Casing Stepping motor for diffuser wire with a connector Electronic equipment box Vertical louver stepping motor The connector for louver is between an electronic equipment lid rib and an electronic equipment box.
  • Page 78 RE P LA CEM EN T PA R T S Installation of relay PCB connector (Relay PCB lead) Electrical control unit side relay lead Binder installation range (Bind a relay PCB lead together.) (Tighten a relay board lead Relay board lead should let between the casing ribs pass, and casing together.) as shown in the above figure.
  • Page 79 RE P LA CEM EN T PA R T S Installation of relay PCB connector 10~15mm Slack relay board lead on the left of a tape. J - J Motor case slot Stepping motor Tape Relay PCB lead Motor case Tape is not slacked.
  • Page 80 RE P LA CEM EN T PA R T S Installation of fan motor connector Fan motor lead (red) Fan motor lead (red) is inserted and locked with EMI filter. Binder passes in the hole of an EMI filter. Four fan motor leads are fastened together.
  • Page 81 RE P LA CEM EN T PA R T S PROCESS Connect WIRE WITH TERMINAL (TR PWB ASSY), ACTPM REGULATIONS As shown in Fig.1, connect wires. A right picture shows the example of two times of the twist. -BLACK +RED Fig.1 W17 BLACK(TR PWB ASSY) W16 RED(TR PWB ASSY)
  • Page 82 RE P LA CEM EN T PA R T S PROCESS Assemble wires (TR PWB ASSY) REGULATIONS WIRE WITH CONNECTOR WIRE WITH CONNECTOR As shown in Fig.1, assemble wires to TR PWB ASSY. WIRE WITH CONNECTOR Install the connector surely until the lock sound is heard. W303 BLACK,W304 WHITE,W305 RED (TR PWB ASSY) WIRE WITH CONNECTOR...
  • Page 83 RE P LA CEM EN T PA R T S PROCESS Assemble EMI FILTER (TR PWB ASSY) REGULATIONS As shown in fig.1, assemble EMI FILTER. EMI FILTER BINDER M As shown in fig.2, certainly fix EMI FILTER to wires by BINDER. W303 BLACK,W304 WHITE,W305 RED (TR PWB ASSY) WIRE WITH CONNECTOR...
  • Page 84 RE P LA CEM EN T PA R T S PROCESS Assemble EMI FILTER (TERMINAL) REGULATIONS EMI FILTER BINDER M As shown in Fig.3, assemble EMI FILTER. Certainly fix EMI FILTER to wires by BINDER. A right picture shows the example of two times of the twist. W2 WHITE (FILTER PWB) WIRE WITH TERMINAL W2 WHITE(FILTER PWB) and...
  • Page 85 RE P LA CEM EN T PA R T S REGULATIONS As shown in Fig.2, connect WIRE WITH TERMINAL. Fig.2 WIRE BLACK (FUSE HOLDER) W2 WHITE (FILTER PWB) WIRE WITH TERMINAL WIRE WITH TERMINAL 09-22...
  • Page 86 RE P LA CEM EN T PA R T S REGULATIONS As shown in Fig.1, assemble EMI FILTER. Certainly fix EMI FILTER to wires by BINDER. Range of installation of EMI FILTER W2 WHITE (FILTER PWB) Fig.3 WIRE WITH TERMINAL WIRE BLACK (FUSE HOLDER) WIRE WITH TERMINAL EMI FILTER must pass...
  • Page 87 RE P LA CEM EN T PA R T S PROCESS Connect wires (PWB ASSY(FILTER),PWB ASSY(MAIN)) REGULATIONS As shown in Fig.1, connect wires. A right picture shows the example of two times of the twist. CN110 from W19 BLACK W20 WHITE(FILTER PWB) WIRE WITH CONNECTOR YELLOW W9 and W21...
  • Page 88 RE P LA CEM EN T PA R T S PROCESS Connect WIRE WITH TERMINAL (THERMISTOR) REGULATIONS As shown Fig.3, connect wires. A right picture shows the example of two times of the twist. W25 ORANGE W26 ORANGE (FILTER PWB) WIRE WITH TERMINAL W25 and W26 must do the twist 13 times from 10 times...
  • Page 89 RE P LA CEM EN T PA R T S REGULATIONS As shown Fig.3, connect wires. W25,W26,W28,W29(FILTER PWB) Draw around CN100(FILTER PWB) Pass WIRE WITH TERMINAL through WIRE WITH CONNECTER as shown in figure. EDGE SADDLE. W25 ORANGE W26 ORANGE (FILTER PWB) WIRE WITH TERMINAL Fig.2 THERMISTOR...
  • Page 90 RE P LA CEM EN T PA R T S PROCESS Connect wires. (PWB ASSY(CAPACITOR),TR PWB ASSY,etc) REGULATIONS As shown in Fig.1, connect wires. A right picture shows the example of two times of the twist. W7 YELLOW W8 BLUE W12 WHITE W13 VIOLET (CAPACITOR PWB)
  • Page 91 RE P LA CEM EN T PA R T S PROCESS Wiring 09-28...
  • Page 92 RE P LA CEM EN T PA R T S PROCESS Wiring 09-29...
  • Page 93 R EPL AC E ME NT P A R T S Model : AO * Z24LBT PROCESS Wiring 09-30...

  • Page 94: Installation Manual

    R410A CEILING WALL type INVERTER 10 . INSTALLATION MANUAL...

  • Page 95: For Authorized Service Personnel Only

    SPLIT TYPE ROOM AIR CONDITIONER For authorized service personnel only. INSTALLATION MANUAL WARNING (1) For the room air conditioner to operate satisfactory, install it as outlined in this installation manual. (2) Connect the indoor unit and outdoor unit with the air conditioner piping and cords available standards parts. This (PART No.
  • Page 96 INDOOR UNIT ● For left piping and left rear piping, align the marks on the wall hook Fig. 8 bracket and shape the connection pipe. CUTTING THE HOLE IN THE WALL FOR THE CONNECTING PIPING ● Bend the Joint pipe at the bend radius of 70 mm or more and install no more than 35 mm from the wall.
  • Page 97 1116, Suenaga, Takatsu-ku, Kawasaki 213-8502, Japan FEB 2007 Printed in Japan...

This manual is also suitable for:

Ao*z24lbt

Table of Contents