Tesla Inverter Elite TT26EX81-0932IAW Service Manual
Hide thumbs
Also See for Inverter Elite TT26EX81-0932IAW:
- User manual (418 pages) ,
- User manual (354 pages) ,
- User manual (352 pages)
Related Manuals for Tesla Inverter Elite TT26EX81-0932IAW
Summary of Contents for Tesla Inverter Elite TT26EX81-0932IAW
- Page 1 Inverter Elite air conditioners TT26EX21-0932IA TT26EX81-0932IAW TT34EX21-1232IA TT34EXC1-1232IAWPC TT34EX82BM-1232IAW TT34EX82SM-1232IAW TT34EX81-1232IAW TT51EX21-1832IA TT51EX81-1832IAW TT68EX21-2432IA TT68EX81-2432IAW Service manual...
-
Page 2: Table Of Contents
Air Conditioner Service Manual CONTENTS Part Ⅰ Technical Information 1. Important Notice ................. 3 2. Refrigeration cycle diagram .............. 4 3. Electric Diagram ................. 5 3.1 Wiring diagram ................5 3.2 PCB LAOUT .................. 6 4. Electronic Controller Introduction ..........11 4.1 Electronic Controller .............. -
Page 3: Part Ⅰ Technical Information
Air Conditioner Service Manual Part Ⅰ Technical Information 1. Important Notice 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. -
Page 4: Refrigeration Cycle Diagram
Air Conditioner Service Manual 2. Refrigeration cycle diagram Heat pump Check valve Liquid side 2-way valve Capillary Heat exchange Heat exchange (Condenser) (Evaporator) Gas side 3-way valve 4-way valve Muffler Muffler Heating Cooling Compressor Liquid side 2-way valve Electronic expansion valve Heat exchange Heat exchange (Condenser) -
Page 5: Electric Diagram
Air Conditioner Service Manual 3. Electric Diagram 3.1 Wiring diagram TT26EX21-0932IA, TT26EX81-0932IAW, TT34EX21-1232IA, TT34EX81-1232IAW, MODEL: TT68EX81-2432IAW，TT34EXC1-1232IAWPC，TT34EX82BM-1232IAW，TT51EX21-1832IA， TT51EX81-1832IAW，TT68EX21-2432IA INDOOR UNIT： OUTDOOR UNIT θ θ θ... -
Page 6: Pcb Laout
Air Conditioner Service Manual 3.2 PCB LAOUT Indoor PCB Model 9K, 12K, 18K, 24K _ AC fan motor A010268 9 10 ODU AC power output Fuse Transformer out IDU AC power input AC motor driver IDU/ODU wiring connection- N connector Power supply-N connector Anion connector IDU/ODU communication... - Page 7 Air Conditioner Service Manual A010412 Model 9K, 12K, 18K, 24K _ DC fan motor A010270 10 11...
- Page 8 Air Conditioner Service Manual A010403...
- Page 9 Air Conditioner Service Manual Outdoor unit 9K, 12K A010313 Mainly relay Fuse L, N & 1 (communication) wiring 4-way valve Heater motor connector Electronic expansion valve Discharge sensor connector OAT/OPT sensor connector LED5 A010386...
- Page 10 Air Conditioner Service Manual 18,24K A010286 DRED(OPTION) OAT/OPT connector Discharge sensor connector Electronic expansion valve AC/DC motor connector Heater 4-way valve LED5 Communication wiring Fuse L , N line Mainly relay LED1-LED4 Note: OAT: Outdoor Ambient Temperature OPT: Outdoor pipe temperature...
-
Page 11: Electronic Controller Introduction
Air Conditioner Service Manual 4. Electronic Controller Introduction 4.1 Electronic Controller RT-------Room Temperature. IPT------Indoor Pipe (Coil) Temperature. ST------Indoor Setting Temperature. OPT---Outdoor Pipe Temperature. OAT---Outdoor Ambient Temperature. ODT---Outdoor Discharge 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 12: Dry Mode
Air Conditioner Service Manual 1). Frequency Slowly Increasing(FSI): ℃ a. If 6℃≤IPT＜7 , the frequency increasing rate is 1Hz/60s, slowly increasing operation speed. ℃ b. When IPT≥7 , unit quit from protection. 2). Frequency Limitation: ℃ If 5℃≤IPT＜6 , the compressor frequency forbidden to increase 3). - Page 13 Air Conditioner Service Manual 4: ODU Fan motor control: 1). While unit: a. To be switched off b. Under protection. c. To the set temperature After compressor ceased, the fan motor stops working according to the temperature of OPT and OAT, the max delay for the motor should be less than 160s.
-
Page 14: Fan Mode
Air Conditioner Service Manual Defrosting end off: Compressor stops working, and re-starts to working after 50s delay; 7. Cold air prevention: This function intends to prevent cold air from being discharged when the heating operation starts up 1). IDU fan motor cold air prevention .When RT＜24℃: a. -
Page 15: Sleeping Mode
Air Conditioner Service Manual 4.1.7 Sleeping mode While AC works in sleeping mode, the light of POWER SUPPLY and SLEEP always ON, and the temperature display will be OFF after 15s. In this mode, the AC unit works according to the SLEEP CURVE as designed. Sleeping mode the unit can work 10 hours continuously, after that it will quit from this mode and work as previous presetting. - Page 16 Air Conditioner Service Manual The failure and times for protection will eliminate immediately once the unit to be switched off, or changed to fan mode. Note: If the defective failure can’t be recovered, the failure can’t eliminate even if operation mode changed. 4.1.10.3 The current protection 1.
-
Page 17: Wifi Operation Manual
For Android smartphones Method 1: Please scan the QR code with a browser scanner, download and install the APP. Method 2: Open the Google “Play Store” on your smartphone and search “Tesla Smart”, download and install the APP. For IOS smartphones Method 1: Please scan the QR code and follow the tips to get into “AppStore”, download and install... -
Page 18: 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 19 Air Conditioner Service Manual 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. Warnings When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
-
Page 20: Installation Safety
Air Conditioner Service Manual A is the room area, in m2; LFL is the lower flammable limit, in kg/m3; h0 is the installation height of the appliance, in meters for calculating M or A , 1.8 m for wall mounted; Table GG.1 - Maximum charge (kg) Floor area (m Maximum charge (kg) -
Page 21: Special Tools
Air Conditioner Service Manual Operation Safety Open Flames Prohibited Mind Static Electricity Must wear protective clothing and anti-static gloves Don`t use mobile phone Installation Safety Refrigerant Leak Detector Appropriate Installation The left picture is the schematic diagram of a refrigerant leak Location detector. -
Page 22: Maintenance
Air Conditioner Service Manual A) The pressure gauges should be calibrated regularly. B) The pressure gauge used for Refrigerant 22 can be used for Refrigerants R290 Pressure Gauge and R161; the pressure gauge used for R410A can be used for Refrigerant 32. It is necessary to carry fire extinguisher(s) when installing and maintaining an air conditioner. - Page 23 Air Conditioner Service Manual At the time of maintenance, if the relative humidity is lower than 40%, it is necessary to wear anti- static clothing and gloves. If the combustible refrigerant is found leaking during the maintenance, it is a must to immediately take forced ventilation and plug up the leak source.
- Page 24 Air Conditioner Service Manual and the system has been cleaned and ensure that there has been no refrigerant in the outdoor unit. It is necessary to close the stop valve of the outdoor unit when using a welding gun to do the maintenance work such as cutting and welding.
-
Page 25: Installation
Air Conditioner Service Manual 2 Installation 2.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Space to the obstruction Space to the floor Space to the obstruction Drainage pipe Connecting wire... -
Page 26: Accessory
Air Conditioner Service Manual 2.2 Accessory Remote controller Remote Batteries Vinyl tape controller supporter Drain hose Hole cover Screw Insulation material 2.3 Tools Picture Picture Picture Tool name Tool name Tool name Standard Pipe Vacuum Pump Wrench Cutter Screw Adjustable/ drivers Crescent (Phillips &... -
Page 27: Position
Air Conditioner Service Manual 1） Must follow the electric safety regulations when 2.4 Position installing the unit. Indoor unit 2） According to the local safety regulations, use Install the indoor unit level on a strong wall that is qualified power supply circuit and air switch. not subject to vibrations 3）... -
Page 28: Refrigerant Piping Connection
Air Conditioner Service Manual 9K(770X) The hole must slope downwards towards the exterior. Note: Keep the drain pipe down towards the direction of the wall hole, otherwise leakage may occur. 1.6.3 Electrical connections---Indoor unit 1).Lift the front panel. 2).Take off the cover as indicated in the picture (by removing a screw or by breaking the hooks). - Page 29 Air Conditioner Service Manual When extending the drain hose at the indoor unit, install the drain pipe. Wrap the insulation material around the connecting portion. Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap.
-
Page 30: Odu Installation
Air Conditioner Service Manual part of the unit as shown in the picture. 2) Connect the drain port and the drain pipe. Pay attention that water is drained in a suitable place. Insert the pipe connection into the relative slot. ... -
Page 31: Vacuum And Gas Leakage Test
Air Conditioner Service Manual 2.8 Vacuum and gas leakage test 2.9 Final test 1. Use vacuum Pump 1 Preparation of test operation. The client approves the air conditioner 1) Air and humidity left inside the refrigerant circuit can cause compressor malfunction. After having connected installation. -
Page 32: Maintenance
Air Conditioner Service Manual 3. Maintenance 3.1 Failure code Code Reason Remark IDU & ODU Communication failure The IDU & ODU wiring connection correct? IDU Room Temperature sensor failure.（IDU IDU sensor and PCB. RT failure） IDU Coil temperature sensor failure.（IDU IPT IDU sensor and PCB. - Page 33 Air Conditioner Service Manual Cooling system gas flow abnormal Please check the troubleshooting for detail. PROTECTION. PFC PROTECTION Please check the troubleshooting for detail. The Compressor lack of phase / Anti-phase Please check the troubleshooting for detail. PROTECTION. IPM Module temperature PROTECTION Please check the troubleshooting for detail.
-
Page 34: Trouble Shooting
Air Conditioner Service Manual 3.2 Trouble shooting 3.2.1 E0 ---IDU & ODU communication failure Start Display E0 IDU wiring Check and re- E0 disappear? connection correct ? connect Check communication, Replace/ re- E0 disappear? earth wiring and the connect connection, in good condition? ODU wiring Check and re-... - Page 35 Air Conditioner Service Manual 3.2.2 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 36 Air Conditioner Service Manual 3.2.3 E4 --- AC Cooling system abnormal (Gas not enough) Start Display E4 Check the pressure AC pressure correct? Check the sensor short or (cooling:0.8-1.3Mpa,/ open? heating 2.0-3.6Mpa) Replace the sensor Check the valves open or Replace the main PCB Open the valves Lower than 0.8 Mpa in...
- Page 37 Air Conditioner Service Manual 3.2.4 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 38 Air Conditioner Service Manual 3.2.5 E3, E7 or E8----ODU Coil temperature sensor, Ambient temperature sensor or Discharge temperature sensor failure. When any of the sensor resistance open or short circuit , unit will display failure code as E3/E7 or E8, IDU and ODU turns off.
- Page 39 Air Conditioner Service Manual 3.2.6 E9---ODU IPM /Compressor drive fault If unit have 6 times stopping works for IPM protection (P0) continuously, it will display E9 error, and unit can’t be recovered to operation, except press ON/OFF button. Display E9 Display F9 or FA first Replace ODU PCB then E9...
- Page 40 Air Conditioner Service Manual 3.2.7 EF---ODU DC fan motor failure Shut off Check the fan blade by Re install the DC motor hand, can it rotate freely Works normal? Fan motor well Re-connect connect to PCB Works normal? 1. For built-in control (5pins) motor: check the V =310V? =15V?
- Page 41 Air Conditioner Service Manual 3.2.8 EU---ODU voltage test sensor failure After power relay works, when tested voltage effective value less than 50V for 3s continuously, unit will display EU. Start Display EU Test voltage btw ODU Check while voltage terminal L/N, more than become normal 50V~? Unit works?
- Page 42 Air Conditioner Service Manual 3.2.9 P0---IPM protection When overheat or overcurrent for IPM, AC unit will display P0protection. Display P0 Restart unit. It works normal? Wiring connection Re-connect U/V/W correct? P0 disappear? ODU fan motor no Replace ODU Can compressor works or too slowly? fan motor start up?
-
Page 43: Over / Under Voltage Protection
Air Conditioner Service Manual 3.2.10 P1--- Over / under voltage protection 1. Test voltage between L &N, When the power supply V＞AC260V or V＜AC150V, AC will display P1 protection, unit will recover back to previous status while V＞AC155V. 2. Test voltage on the big size electrolytic capacitor of ODU PCB, When DC busbar voltage V＞DC420V or V ＜DC150V, unit will recover back to previous status while DC190V＜V＜DC410V Display P1 Wait until the AC... - Page 44 Air Conditioner Service Manual 3.2.11 P2---Over Current protection When the AC unit running current more than I , it will stop and display P2 protection. Note: for different AC model, I has difference valve. Display P2 IDU fan motor Replace fan motor works? P2 disappear? IDU filter or ODU...
- Page 45 Air Conditioner Service Manual 3.2.12 P4 ---ODU Discharge temperature overheating protection Display P4 ODU temperature Normal protection higher than 60℃? ODU location Adjust ODU Enough space for Unit operate? installation acceptable? ventilation? Condenser too Clean IDU filter or P4 disappear? dirty? or filter ODU condenser.
- Page 46 Air Conditioner Service Manual 3.2.13 P5---Sub-cooling protection on Cooling/Dry mode On Cooling or Dry mode, when IDU evaporator coil temperature IPT＜1℃ continuously for 3 min after compressor start up for 6 min, CPU will switch off outdoor unit and show P5 failure code. Display P5 Switch on unit after minutes...
- Page 47 Air Conditioner Service Manual 3.2.14 P6---Overheating protection on Cooling mode On Cooling or Dry mode, when ODU condenser coil temperature OPT≥62℃ , MCU will switch off outdoor unit and show P6 failure code. Display ODU fan motor Fan motor Replace fan motor works normal? broken? P6 disappear?
- Page 48 Air Conditioner Service Manual 3.2.15 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 49 Air Conditioner Service Manual 3.2.16 P8---Outdoor Overtemperature/Under-temperature protection When environment temperature as below condition, the compressor will stop working, after 200s delay, the IDU will show P8 failure code. (1). On Cooling or Dry mode: ODU ambient temperature: OAT＜-20℃ or OAT＞63℃; (2).
- Page 50 Air Conditioner Service Manual 3.2.17 P9---The compressor driving protection (the compressor load abnormal) When compressor start up or in the process of operation, if: (1). MCU can’t test the feedback signal from compressor, or (2). Tested a abnormal signal from compressor, or (3).
- Page 51 Air Conditioner Service Manual 3.2.18 F4---Cooling system Gas flow abnormal protection When compressor startup, unit will check the variation of IDU coil temperature. If there is mistake installer forgetting to open the 2-way or 3-way valve on ODU, the gas can’t flow in the cooling system, it will show F4 protection. Start Display F4 Check the 2-way...
- Page 52 Air Conditioner Service Manual 3.2.19 F5---PFC Protection PFC Overcurrent protection F5 Code Check the power supply, Display F5 by is it abnormal? (this is random? normal protection) Display F5 frequently Switch off the unit for 3 Still F5? minutes and re-switch on Still F5? Replace ODU PCB...
- Page 53 Air Conditioner Service Manual 3.2.20 F6 The Compressor Lack of phase / Anti-phase protection. If ODU PCB can’t test one, or even three phase of compressor current, it will show F6 protection. Display F6 Check compressor Re-connect wiring connector, is it well connected? Problem solved? The Compressor...
- Page 54 Air Conditioner Service Manual 3.2.21 F7---Module temperature protection. IPM overtemperature protection, when IPM temperature more than 95℃, it will show F7. Display F7 Clean or adjust the gap IPM well contact Any dust or gap btw btw IPM and heat sink to heat sink? IPM &...
- Page 55 Air Conditioner Service Manual 3.2.22 F8---4-Way Value Reversing abnormal On heating mode, if IDU Coil temperature tested lower than Room temperature 5℃ or even more after compressor works for 8min, unit will show F8 code. Display F8 the 4-way valve wiring connection Re-connect correct?
- Page 56 Air Conditioner Service Manual After compressor works in high frequency for 9 min, if the temperature on IDU evaporator & ODU condenser has only a little variation comparing previous, but, the compressor discharge temperature on high level, then the unit will show Fy failure code.
-
Page 57: Disassembly Idu & Odu
Air Conditioner Service Manual 4. Disassembly IDU & ODU 4.1. IDU Disassembly Steps Reference photo 1. Before disassembly The orginal status. 2. Disassembly front panel, display board and WIFI module. Display box A. Open front panel. B. Remove one screw and take the display box out from the panel. - Page 58 Air Conditioner Service Manual 4. Remove the electric control box cover Unfix one screw on the cover of electric box, and remove the cover. screw 5. Remove the filter Push the filter upwards a little, you can take it out from unit. 6.
- Page 59 Air Conditioner Service Manual 7. Disassembly the electric control box. 电控盒 Electric control box A. Remove the RT & IPT out from evaporator; B. Unscrew all the earth ground wirings on the evaporator. C. Take all the connectors out from PCB. D.
- Page 60 Air Conditioner Service Manual 9. Disassembly the evaporator screws Screws + motor A. Unfix 2 screws of left side shown as cover picture. B. Unfix 2 screws of right side on motor cover/right support plate. C. Take the evaporator out from unit by uplifting the IUPUT/OUTPUT pipes slightly.
-
Page 61: Odu Assembly
Air Conditioner Service Manual 4.2 ODU Assembly Step Reference picture step1：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 62 Air Conditioner Service Manual ODU middle separate plate and base plate, uplift front panel you can take it out from unit. step3：Disassemble the Left and Right plate. Unfix screws btw Right Plate and the Electric Box assembly, Valve Plate , Base Plate, then you can take the Right plate out.
- Page 63 Air Conditioner Service Manual step4：Disassemble the Axis Fan Blade Unscrew the fan blade nut, and take the blade out. step5：Disassemble the electric box Unfix screw btw Electric Box and motor supporter etc. loosen the wiring clamp, then you can take the control box out.
- Page 64 Air Conditioner Service Manual step7：Disassemble the separate plate Unfix the screw btw separate plate and unit, and take it out step8：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 welding.
- Page 65 Air Conditioner Service Manual step10：Disassemble the compressor. Unscrew the nuts and take the compressor out. step11：Remove the fan motor and fan supporter. Unfix screws btw fan motor with supporter, and supporter with base plate. Note: Pay attention to the motor wiring, it can’t be taken out by force.
-
Page 66: Appendix
Air Conditioner Service Manual APPENDIX Appendix 1 The comparison table of Celsius-Fahrenheit temperature Fahrenheit Fahrenheit Fahrenheit Celsius Celsius Celsius diplay Fahrenheit diplay Fahrenheit diplay Fahrenheit temperature ℃ temperature ℃ temperature ℃ (℉) (℉) (℉) (℉) (℉) (℉) 60.8 69/70 69.8 78/79 78.8 62/63... -
Page 67: Appendix 3 Pipes 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 68: Appendix 4 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 69 Air Conditioner Service Manual 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. Outdoor unit sensor temperature characteristics TEMP. R min R(t) R max TEMP.
- Page 70 Air Conditioner Service Manual 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 5.947 6.253 0.9833 1.028 1.074 52.49 57.81 63.61 5.449...
Need help?
Do you have a question about the Inverter Elite TT26EX81-0932IAW and is the answer not in the manual?
Questions and answers