Trane 09CO-FIXED-A1 Service Manual
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Trane 09CO-FIXED-A1 Service Manual

Trane 09CO-FIXED-A1 Service Manual

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WALL MOUNTED SPLIT-TYPE AIR CONDITIONERS
 
 
 
Models
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Air Conditioner Service Manual
Service Manual
TRANE-09CO-FIXED-A1
TRANE-12CO-FIXED-A1
TRANE-18CO-FIXED-A1
TRANE-24CO-FIXED-A1
TRANE-09CH-FIXED-A1
TRANE-12CH-FIXED-A1
TRANE-18CH-FIXED-A1
TRANE-24CH-FIXED-A1
 
 
 
 
 

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Summary of Contents for Trane 09CO-FIXED-A1

  • Page 1   Air Conditioner Service Manual         WALL MOUNTED SPLIT-TYPE AIR CONDITIONERS   Service Manual         Models   TRANE-09CO-FIXED-A1   TRANE-12CO-FIXED-A1     TRANE-18CO-FIXED-A1     TRANE-24CO-FIXED-A1   TRANE-09CH-FIXED-A1     TRANE-12CH-FIXED-A1     TRANE-18CH-FIXED-A1  ...

  • Page 2: Table Of Contents

    Air Conditioner Service Manual  CONTENTS Part Ⅰ Technical Information…………………………………...….………… 2 1. Important Notice……………………………………………………..………..2 2. Production Dimensions……………………………………………………….3 3. Refrigeration cycle diagram…………………………………..……………...4 4. Wiring Diagram………………………………………………………………..5 5. Electronic Controller Introduction…………………………………….……...9 PART Ⅱ Installation and Maintenance……………..…….……….…………16 1. Notes for installation and maintenance.………………..…………………..16 2. Installation…………………………………………………..………………….24 3.

  • Page 3: Part Ⅰ Technical Information

    Part Ⅰ Technical Information This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 4: Production Dimensions

    Air Conditioner Service Manual   2. Product Dimensions Indoor Unit: Outdoor Unit:     Indoor unit Outdoor unit Model TRANE‐09CO‐FIXED‐A1  777  201  48.5 TRANE‐12CO‐FIXED‐A1  48.5 TRANE‐18CO‐FIXED‐A1  TRANE‐24CO‐FIXED‐A1  1010 TRANE‐09CH‐FIXED‐A1  777  201  48.5 TRANE‐12CH‐FIXED‐A1  48.5 TRANE‐18CH‐FIXED‐A1  TRANE‐24CH‐FIXED‐A1  1010...

  • Page 5: Refrigeration Cycle Diagram

    Air Conditioner Service Manual     3. Refrigeration cycle diagram Cooling only Liquid side 2-way valve Capillary Heat exchange Heat exchange (Evaporator) (condenser) Gas side 3-way valve Accumulator Compressor Heat pump Check valve Liquid side 2-way valve Capillary Assembly Heat exchange Heat exchange (Evaporator) (condenser)

  • Page 6: Wiring Diagram

    Air Conditioner Service Manual . Wiring diagram MODEL: INDOOR UNIT OUTDOOR UNIT...
  • Page 7 Air Conditioner Service Manual MODEL: INDOOR UNIT OUTDOOR UNIT...
  • Page 8 Air Conditioner Service Manual MODEL: INDOOR UNIT OUTDOOR UNIT...
  • Page 9 Air Conditioner Service Manual MODEL: INDOOR UNIT OUTDOOR UNIT...
  • Page 10 Air Conditioner Service Manual Remote controller ON/OFF button To switch the conditioner on and off. FAN SPEED button To select the fan speed of auto/low/mid/high. TEMP UP button Crease the temperature or time by 1 unit. ECO button In cooling mode,press this button ,the temperature will increase 2 on the base of setting temperature: In heating mode, press this button, the temperature...
  • Page 11 Air Conditioner Service Manual Remote controller DISPLAY Meaning of symbols on the liquid crystal display. FEEL mode indicator or AUTO COOLING indicator or COOL DEHUMIDIFYING indicator or DRY FAN ONLY OPERATION indicator or FAN HEATING indicator or HEAT SIGNAL RECEPTION indicator TIMER OFF indicator TIMER ON indicator AUTO FAN indicator...

  • Page 12: Electronic Controller Introduction

    Air Conditioner Service Manual 5.2 Electronic controller RT-------Room Temperature. IPT------Indoor Pipe (Coil) Temperature. ST------Indoor Setting Temperature. OPT--- Outdoor Pipe Temperature. CRT--- Compensated Room Temperature. IDU--- Indoor unit ODU--- Outdoor unit. Note: When AC finishing installation, because of the air ventilation and the distance of temperature test sensor to different location of the house, the temperature for IDU PCB control need compensation.
  • Page 13 Air Conditioner Service Manual 5.2.2.5. Anti-frosting protection While condition a), b) matched, the AC unit transferred to anti-frosting protection. a). After the compressor continual works for 6 minutes, and tested IPT≤0℃ for 3 minutes continuously. b). After the compressor continual works 6 minutes, and tested IPT≤-2℃ for 3 seconds continuously. c).
  • Page 14 Air Conditioner Service Manual 5.2.4.4. ODU Fan motor control: 1). While unit: a. To be switched off b. Under protection. c. To the set temperature The compressor stops working, and the fan motor will stop operation after 50s delay. 2). When switch on unit on heating mode, ODU fan motor will start up 3s earlier before compressor starts up. 3).
  • Page 15 Air Conditioner Service Manual The above operation can work one time only, when compressor stops working, the unit will inspect the function once again. b. If the vane works on swing: When IDU quits from cold air prevention, vane operate as preset. 6.2.4.8.
  • Page 16 Air Conditioner Service Manual NOTE: Do not press the EMERGEMCY switch during normal operation. 5.2.9 Auto-restart function While air conditioner is operating in one mode, all of its operation data, such as working mode, preset temperature etc. would be memorized into IC by main PCB. If power supply cut off due to reasons and recover again, the AUTO-RESTART function will set synchronously and the air conditioner would work at the same mode as before.

  • Page 17: Part Ⅱ Installation And Maintenance

    Air Conditioner Service Manual PART Ⅱ Installation and Maintenance 1. Notes for installation and maintenance Safety Precautions Important! Please read the safety of precautions carefully before installation and maintenance. The following contents are very important for installation and maintenance. Please follow the instructions bellow. ●...
  • Page 18 Air Conditioner Service Manual 5) Use equipped components or appointed components during installation. 6) Make sure no foreign objects are left in the unit after finishing installation. Improper installation may lead to fire hazard, explosion, electric shock or injury. Safety precautions for Installing and Relocating the unit. To ensure safety, please be mindful of the following precautions.
  • Page 19 Air Conditioner Service Manual condition. However, there will be no risk of burning and explosion if you comply with the following table to install your air conditioner in a room with an appropriate area and use it correctly. Compared with ordinary refrigerants, Refrigerants R32 & R290 are environmentally friendly and do not destroy the ozone sphere and that their values of greenhouse effect are also very low.
  • Page 20 Air Conditioner Service Manual Caution:  Please contact the nearest after-sale service center when maintenance is necessary. At the time of maintenance, the maintenance personnel must strictly comply with the Operation Manual provided by the corresponding manufacturer and any non-professional is prohibited to maintain the air conditioner. ...
  • Page 21 Air Conditioner Service Manual combustible and/or explosive environment.  If the indoor unit suffers refrigerant leak during the installation, it is necessary to immediately turn off the valve of the outdoor unit and all the personnel should go out till the refrigerant leaks completely for 15 minutes.
  • Page 22 Air Conditioner Service Manual product with radiation in the room is powered off.  The maintenance area should be equipped with a drying powder or carbon dioxide fire extinguisher and that such fire extinguisher can work. (2) Inspection of maintenance equipment ...
  • Page 23 Air Conditioner Service Manual labeled clearly. There should be a certain safety distance between the two areas. The maintenance location should be equipped with ventilating and air-exhausting equipment to prevent the refrigerant gas from aggregating.  It is necessary to provide some relevant instruments such as combustible refrigerant leak detector and have a leak detecting instrument management system.
  • Page 24 Air Conditioner Service Manual Warning Before doing the trial operation after finishing the maintenance, it is a must to use a practical leak detector to inspect the leakage and reliability of ground connection in order to ensure that no refrigerant leakage and reliable ground connection.

  • Page 25: Installation

    Air Conditioner Service Manual 2 Installation 2.1 Installation Dimension Diagram S p a c e t o t h e w a l l A t l e a s t 1 5 c m A t l e a s t 1 5 c m S p a c e t o t h e w a l l S p a c e t o t h e o b s t r u c t i o n S p a c e t o t h e f l o o r...
  • Page 26 Air Conditioner Service Manual 2.2 Accessory Remote controller Remote controller Batteries Vinyl tape supporter Drain hose Screw Insulation material Hole cover...
  • Page 27 Air Conditioner Service Manual 2.3 Position picture. Indoor unit 2.4 Electricity and wiring  Install the indoor unit level on a strong wall that Safety precaution is not subject to vibrations 1） Must follow the electric safety regulations when  The inlet and outlet ports should not be installing the unit.
  • Page 28 Air Conditioner Service Manual front panel. 4).Connect the cable wires to the screw terminals by following the numbering, Use wire size suitable to the electric power input (see name plate on the unit) and according to all current national safety code requirements. 5).The cable connecting the outdoor and indoor units must be suitable for outdoor use.
  • Page 29 Air Conditioner Service Manual become stiff. Do not bend the pipe more housing section. than three times at one point.  When extending the rolled pipe, straighten the pipe by unwinding it gently as shown in the picture. 2.5.6 Indoor unit condensed water drainage The indoor unit condensed water drainage is Extending the rolled pipe fundamental for the success of the installation.
  • Page 30 Air Conditioner Service Manual Wiring diagram on the back of the cover 2.6 ODU Installation ● The outdoor unit should be installed on a solid wall and fastened securely. ● The following procedure must be observed before connecting the pipes and connecting Screw cables : decide which is the best position on Remove the upper cover...
  • Page 31 Air Conditioner Service Manual refrigerant charging vent. vacuum pump s ervice port 2. Leakage Detection 1).With leakage detection. Check if there is leakage with leakage detection. 2).With soap water. If leakage detection is not available, please use soap water for leakage detection.

  • Page 32: Maintenance

    Air Conditioner Service Manual 3. Maintenance 3.1 Failure code Code Reason Remark IDU Room Temperature sensor failure. IDU sensor and PCB. （IDU RT failure） IDU Coil temperature sensor failure.（IDU IDU sensor and PCB. IPT failure） Gas not enough Please check the pressure in cooling System protection For the high/low pressure valve model IDU PG Fan motor / DC fan motor works...
  • Page 33 Air Conditioner Service Manual 3.2 Trouble shooting 3.2.1 E1, E2 ---IDU Room temperature sensor and/or coil temperature sensor failure. Start Display E1or E2 Is the sensor well Re-connect connected to PCB E1/E2 disappear? Multi-meter check the Replace the sensor sensor, is it open or short circuit? The malfunction eliminated?
  • Page 34 Air Conditioner Service Manual 3.2.2 E6----IDU ventilation failure (PG and DC fan motor only) Start Display E6 Turn the fan blades by hand while power-off condition Adjust the motor and blade Can the fan blades run assembly so that rotor can smoothly? run smoothly.
  • Page 35 Air Conditioner Service Manual 3.2.3 P7---Overheating protection on Cooling mode On heating mode, when IDU evaporator coil temperature IPT≥62 ℃ , ODU PCB will switch off outdoor unit and show P7 failure code. Display P7 ODU fan motor Fan motor Replace fan motor works normal? broken?

  • Page 36: Exploded View And Parts List

    Air Conditioner Service Manual...

  • Page 37: Disassembly Idu & Odu

    Air Conditioner Service Manual 5. Disassembly IDU & ODU 5.1. IDU Disassembly Steps Reference photo 1. Before disassembly The original status. 2. Disassemble Front Panel, Display Board. Display box 显示盒 A. Open front panel. B. Remove one screw and take the display box out from panel.
  • Page 38 Air Conditioner Service Manual Force apart the bottom plate left and right sides with hands towards as RED arrow, you can easily disassemble the bottom plate. (Note: there’re buckles on bottom plate) 插销×6 卡扣×4 buckles 6. Disassemble the Flap Assembly Force apart the flap assembly from base plate, you can take the it out.
  • Page 39 Air Conditioner Service Manual 卡 扣 Buckles A. unfix 2 screws between mid frame and base plate. B. Apart 4 buckles upside mid frame from base plate. C. Apart air outlet the upper 出 风 口 上 沿 卡 扣 side and lower side hooks Hooks at air outlet upper side from base plate shown as...
  • Page 40 Air Conditioner Service Manual 卡扣 Locker A. Unfix screw btw EVP and base. Locker Locker 卡扣 B. Loose the EVP left locker with base, you can raise up EVP left side. C. When raise EVP left side up, along with the EVP right side loosen...
  • Page 41 Air Conditioner Service Manual 5.2 ODU Assembly Step Reference picture Before disassembly 1：Remove the PCB Cover , Valve Cover and Top Cover 1). Unfix one screw on the PCB cover, you can take the cover out from unit. 2). Unfix one screw on the valve cover, you can take it out easily.
  • Page 42 Air Conditioner Service Manual 1). Unfix screw btw fan guard and front panel, and take the fan guard out. 2). Unfix screws btw front panel and fan motor supporter, ODU mid separate plate & base plate, uplift front panel you can take it out from unit.
  • Page 43 Air Conditioner Service Manual Unfix screws btw left plate, base plate and condenser plate, you can take the left plate out. 4：Disassemble the Axis Fan Blade Unscrew the fan blade nut, and take the blade out. 5：Disassemble the Electric Box Unfix screw btw Electric Box and motor supporter etc.
  • Page 44 Air Conditioner Service Manual Shown as picture to take the cotton out. 7：Disassemble the Separate Plate Unfix the screw btw separate plate and unit, and take it out. 8：Disassemble the 2 and 3-way Valve Unfix screw btw Valve plate and base, you can take the 2-way and 3-way valve out by...
  • Page 45 Air Conditioner Service Manual Take the 4-way valve out from system by welding. Make sure no hurt to the compressor and nameplate, etc. 10：Disassemble the Compressor. Unscrew the nuts and take the compressor out. 11：Remove the Fan Motor and motor Supporter. Unfix screws btw fan motor with supporter, and...

  • Page 46: Appendix

    66.2 75/76 75.2 84/85 84.2 Appendix 2 The Pipe length and Gas charging Connecting pipes size and length for installation Pipe size(Inch) Model Liquid TRANE‐09CO‐FIXED‐A1  TRANE‐12CO‐FIXED‐A1  TRANE‐18CO‐FIXED‐A1  TRANE‐24CO‐FIXED‐A1  TRANE‐09CH‐FIXED‐A1  TRANE‐12CH‐FIXED‐A1  TRANE‐18CH‐FIXED‐A1  TRANE‐24CH‐FIXED‐A1  Indoor unit Outdoor unit Pipe l ength is Pi pe length is 15 meters Max.

  • Page 47: Pipe Flaring

    Air Conditioner Service Manual Appendix 3 Pipes Flaring Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. A. Cut the pipes and the cable. 1) Use the piping kit accessory or the pipes purchased locally. 2) Measure the distance between the indoor and the outdoor unit.

  • Page 48: The Thermistor Temperature Characteristics

    Air Conditioner Service Manual Appendix 4 THERMISTOR TEMPERATURE CHARACTERISTICS 1). Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of (℃) (k Ohm) resistance (℃) (k Ohm) resistance (℃)
  • Page 49 Air Conditioner Service Manual Resistance at 25℃: 5 kΩ. TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors as shown above. 1) Outdoor unit sensor temperature characteristics TEMP.
  • Page 50 Air Conditioner Service Manual 66.96 74.11 81.96 6.548 6.912 7.289 1.105 1.153 1.202 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651...

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