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Related Manuals for Toyotomi CCT 140IUINV
Summary of Contents for Toyotomi CCT 140IUINV
- Page 1 MODEL: CCT 140IUINV - OU1403 INV CCT 160IUINV - OU1603 INV DCT 140IUINV - OU1403 INV DCT 160IUINV - OU1603 INV CFT 140IUINV - OU1403 INV CFT 160IUINV - OU1603 INV FS 140IUINV - OU1403 INV FS 160IUINV - OU1603 INV...
- Page 2 Contents Part 1 General Information ................... Part 2 Indoor Units ......................Part 3 Outdoor Units ..................... Part 4 Electrical Control System ................. ※The specifications, designs, and information in this book are subject to change without notice for product improvement. Contents...
- Page 3 General Information Part 1 General Information 1. Model Lists ....................2 2. Features ......................4 General Information...
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Page 4: Model Lists
Model Lists 1. Model Lists 1.1 Indoor Units Capacity multiplied by 1000Btu/h R410A Type Function Super-slim four-way cassette Cooling and heating generation ceiling & floor Cooling and heating Duct Cooling and heating floor-standing Cooling and heating General Information... -
Page 5: Features
Features 2. Features 2.1 Universal outdoor unit design Indoor unit with the same capacity can match with the same outdoor unit. 2.2 High efficiency and energy saving. Thanks to the DC inverter technology and optimized piping system, the EER and COP of whole series can easily reach A-class. -
Page 6: Part
Indoor Units Part 2 Indoor Units Super Slim Cassette Type ............ Duct Type ................ Ceiling & Floor Type ............ GA Floor-standing Type ............. Super Slim Cassette Type... -
Page 7: Table Of Contents
Super Slim Cassette Type Super Slim Cassette Type Features ....................8 Dimensions ..................12 Service Space ..................13 Wiring Diagrams .................. 14 Air Velocity and Temperature Distributions(Reference Data) ..15 Electric Characteristics............... - Page 8 Features 1. Features Overview Compact design, super slim body size, less space requiring in installation Each louver can be separately controlled, more comfort air blowing is possible. Auto-lifting panel design, more convenient to clean and maintain the filter. (optional) Old Cassette New slim cassette Volume change...
- Page 9 Features New air-intake Optional ionizer generator Ionizer generator is optional to get refreshing air to your room. Ionizer can be switched on or off by remote controller. When pressing the Clean Air button on the remote controller, Ionizer will work and the indicator light on display board will shine.
- Page 10 Features External air duct design Reserve external air duct, more flexible for the air supply. Built-in draining pump Due to the improvement of structure, more convenient to repair or replace the draining pump. Draining Pump Built-in draining pump to make sure condensed water drain out reliably. Super Slim Cassette Type...
- Page 11 Features Terminals for alarm lamp and long-distance on-off controller connection are standard Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more human control. Alarm lamp Long-distance on-off controller Optional touch screen wired controller Touch screen wired controller is optional, with error code indication function. Better man-machine conversation interface.
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Page 12: Dimensions
Dimensions 2. Dimensions Model CCT140IUINV >317 CCT160IUINV >317 Super Slim Cassette Type... -
Page 13: Service Space
Service Space 3. Service Space >1000mm >1000mm Super Slim Cassette Type... -
Page 14: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagram CCT140 IUINV CCT160 IUINV Super Slim Cassette Type... -
Page 15: Air Velocity And Temperature Distributions(Reference Data)
Air Velocity and Temperature Distributions(Reference Data) 5. Air Velocity and Temperature Distributions(Reference Data) Airflow velocity Condenser Evaporator Electronic Condenser temp. sensor expansion valve Evaporator temp. sensor High pressure switch Filter Filter Capillary Room temp. sensor Discharge temp. sensor Oil separator Ambient temp. -
Page 16: Electric Characteristics
Electric Characteristics 6. Electric Characteristics Indoor Unit Power Supply Model Voltage CCCT140IUINV 220-240 CCT160IUINV 220-240 Notes: MFA: Max. Fuse Amps. (A) Super Slim Cassette Type... -
Page 17: Sound Levels
Sound Levels 7. Sound Levels 1.4m Microphone Noise level dB(A) Model CCT140IUINV CCT160IUINV Super Slim Cassette Type... -
Page 18: Accessories
Accessories 8. Accessories Name Shape Quantity Installation paper board INSTALLATION FITTINGS Bolt M5 Tubing & Fittings Soundproof / insulation sheath Out-let pipe Out-let pipe sheath Drainpipe Fittings Out-let pipe clasp Remote controller & Its Frame Remote controller holder Remote controller & Its Frame Mounting screw(ST2.9×10-C-H) Remote controller manual... -
Page 19: The Specification Of Power
The Specification of Power 9. The Specification of Power 48000-60000 Model(Btu/h) Phase 1-phase Frequency and 220-240V, 50Hz Voltage INDOOR UNIT Power Wiring POWER 3×1.0 Circuit Breaker/Fuse 15/10 3-phase Phase Frequency and 380-415V, 50Hz Voltage OUTDOOR UNIT Power Wiring POWER 3×4.0 Circuit Breaker/Fuse 40/35 Indoor/Outdoor Connecting Wiring... - Page 20 Duct Type Duct Type 1. Features ......................22 2. Dimensions ....................25 3. Service Space ....................26 4. Wiring Diagrams ................... 27 5. Static Pressure ..................... 28 6. Electric Characteristics ................29 7. Sound Levels ....................30 8. Accessories ....................31 9.
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Page 21: Features
Features 1. Features 1.1 Installation accessories: (Optional) Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Canvas Air Passage Filter Panel 1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side) Air inlet from rear is standard for all capacity; air inlet from bottom is optional. ... - Page 22 Features Replace the motor or centrifugal fan Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily. Motor Blower Housing Ventilated Panel...
- Page 23 Features 1.7 Built-in display board The standard indoor unit can be controlled by wired controller. There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control. ...
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Page 24: Dimensions
Dimensions 2. Dimensions Size of outline Outline dimension(mm) Air outlet opening size Air return opening size dimension mounted Model plug IUINV 1094 1240 1200 DCT160IUINV 1094 1240 1200 40_204 Duct Type... -
Page 25: Service Space
Service Space 3. Service Space Ensure enough space required for installation and maintenance. All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Duct Type... -
Page 26: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams DCT140 IUINV DCT160 IUINV Duct Type... -
Page 27: Static Pressure
Static Pressure 5. Static Pressure 48,000Btu/h 60,000Btu/h Super high speed Super high speed High speed High speed Mid speed Low speed Mid speed Low speed 2200 2500 1000 1300 1600 1900 2800 3100 3400 1000 1300 1600 1900 2200 2500 2800 3100 Air volume(m /h) Air volume(m /h) -
Page 28: Electric Characteristics
Electric Characteristics 6. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. DCT140IUINV 220-240 DCT160IUINV 220-240 Notes: MFA: Max. Fuse Amps. (A) Duct Type... -
Page 29: Sound Levels
Sound Levels 7. Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Model DCT140IUINV DCT160IUINV Duct Type... -
Page 30: Accessories
Accessories Accessories Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller Wired controller & Its Frame Owner ， s manual Others Installation manual Magnetic ring (twist the electric wires L EMS &... -
Page 31: The Specification Of Power
The Specification of Power 9. The Specification of Power Model(Btu/h) 48000 60000 48000-60000 Phase 1-phase 1-phase 1-phase Frequency and 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz Voltage INDOOR UNIT Power Wiring POWER 3×1.0 3×1.0 3×1.0 Circuit Breaker/Fuse 15/10 15/10 15/10 Phase 3-phase Frequency and 380-415V, 50Hz... -
Page 32: Field Wiring
Field Wiring 10. Field Wiring Duct Type... - Page 33 Ceiling & Floor Type Ceiling & Floor Type Features ....................35 Dimensions ..................36 Service Space ..................37 Wiring Diagrams .................. 38 Electric Characteristics............... 39 Sound Levels ..................40 ...
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Page 34: Features
Features 1. Features 1.1. New design, more modern and elegant appearance. 1.2. Convenient installation --The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow --It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as one lighting. -
Page 35: Service Space
Service Space 3. Service Space Ceiling & Floor Type... -
Page 36: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams CFT140 IUINV CFT160 IUINV Ceiling & Floor Type... -
Page 37: Electric Characteristics
Electric Characteristics 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. CFT140IUINV 220-240V 198V 242V CFT160IUINV 220-240V 198V 242V Note: MFA: Max. Fuse Amps. (A) Ceiling & Floor Type... -
Page 38: Sound Levels
Sound Levels 6. Sound Levels Microphone 1.5m Air outlet side Microphone Ceiling Floor Noise level dB(A) Model CFT140IUINV CFT160IUINV Ceiling & Floor Type... -
Page 39: Accessories
Accessories 7. Accessories 1. Remote controller Remote controller & Its 2. Remote controller holder holder 3. Mounting screw (ST2.9×10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual Others 6. Installation manual 7. Remote controller manual Ceiling & Floor Type... - Page 40 The Specification of Power 8. The Specification of Power Model(Btu/h) 48000 60000 48000-60000 Phase 1-phase 1-phase 1-phase Frequency and 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz Voltage INDOOR UNIT Power Wiring POWER 3×1.0 3×1.0 3×1.0 Circuit Breaker/Fuse 15/10 15/10 15/10 Phase 3-phase Frequency and 380-415V, 50Hz...
- Page 41 Field Wiring Field Wiring Ceiling & Floor Type...
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Page 42: The Specification Of Power
GA Floor-standing Type GA Floor-standing Type 1. Features ................错误!未定义书签。 2. Dimensions ................. 错误!未定义书签。 3. Service Space ..............错误!未定义书签。 4. Wiring Diagrams ..............错误!未定义书签。 5.Air Velocity and Temperature distributions(Reference Data) ... 错误!未定义书 签。 6. Electric Characteristics ............错误!未定义书签。 7. Sound Levels ..............错误!未定义书签。 8. Accessories ................ 错误!未定义书签。 9. The Specification of Power .......... - Page 43 Features Features 1.1. Fashionable design, more modern and elegant appearance. 1.2. Air Outlet Dustproof When turned off, the air outlet louver of the unit can be closed manually to prevent the dust falling in. 1.3. Simple and bright panel Adopts simple and bright style panel, GA series are suitable for most different space, and show in good taste.
- Page 44 Dimensions Dimensions Dimension W(mm) D(mm) H(mm) Mode FS140IUINV 1925 FS160IUINV 1925 GA Floor-standing Type...
- Page 45 Service Space Service Space GA Floor-standing Type...
- Page 46 Wiring Diagrams Wiring Diagrams FS140IUINV FS160IUINV GA Floor-standing Type...
- Page 47 Air Velocity and Temperature Distrib 5. Air Velocity and Temperature Distributions(Reference Data) Model 48K-60K： Airflow velocity Temperature GA Floor-standing Type...
- Page 48 Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. FS140IUINV______ 380-420V 342V 440V FS160IUINV______ 380-420V 342V 440V Note: MFA: Max. Fuse Amps. (A) GA Floor-standing Type...
- Page 49 Sound Levels Sound Levels Noise level dB(A) Model FS140IUINV______ FS160IUINV______ GA Floor-standing Type...
- Page 50 Accessories Accessories Part Name Shape Quantity Safety Lock Self-tapping Screw 3.9×25 Flat Washers Bushing-Sleeve Cover Sound/Heat Insulation Sleeves Seal Drain joint Pipe - hole - protection Ring Remote Battery Remote Controller Connection Cables Remote controller manual User's manual Installation manual GA Floor-standing Type...
- Page 51 The Specification of Power 9. The Specification of Power FS140IUINV Model FS160IUINV Phase Frequency and Voltage INDOOR UNIT POWER POWER WIRING (mm CIRCUIT BREAKER (A) Phase 3-phase Frequency and Voltage 380-420V, 50Hz OUTDOOR UNIT POWER POWER WIRING (mm 5×2.5 CIRCUIT BREAKER (A) Indoor/Outdoor Connecting Wiring(Weak Electric Signal) (mm 3×0.5 Indoor/Outdoor Connecting Wiring(Strong Electric Signal) (mm...
- Page 52 Outdoor Units Part 3 Outdoor Units 1. Dimensions ..................66 2. Service Space ..................67 3. Piping Diagrams ................. 68 4. Wiring Diagrams ................69 5. Electric Characteristics ..............71 6. Operation Limits................. 72 7. Sound Levels ..................73 Outdoor Units...
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Page 53: Dimensions
Dimensions Dimensions Unit：mm Model OU-1403INV 633.5 1369 OU-1603INV Outdoor Units... -
Page 54: Service Space
Service Space Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units... -
Page 55: Piping Diagrams
Piping Diagrams Piping Diagrams OU-1403 IUINV OU-1603 IUINV INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T4 Ambient T1 Room temp. EXCHANGE T2 Evaporator temp. sensor sensor (CONDENSER) temp. sensor middle T2B Evaporator temp. -
Page 56: Wiring Diagrams
Wiring Diagrams OU-1403 IUINV OU-1603 IUINV Outdoor Units... -
Page 57: Electric Characteristics
Electric Characteristics Electric Characteristics Outdoor Unit Model Voltage Min. Max. OU-1403INV____ 380-415 OU-1603INV____ 380-415 Outdoor Units... -
Page 58: Operation Limits
Operation Limits Operation Limits Temperature Cooling operation Heating operation Mode Room temperature ≤30℃ ≥17℃ 0℃～50℃ （-15℃～50℃：For Outdoor temperature -15℃～24℃ the models with low temperature cooling system） CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally. -
Page 59: Sound Levels
Sound Levels Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Noise level dB(A) Model OU-1403INV____ 62.5 OU-1603INV____ Outdoor Units... - Page 60 Electrical Control System Part 4 Electrical Control System 1. Electrical Control Function ..........2. Troubleshooting ..............3. Controller ................Electrical Control System...
- Page 61 Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet. T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 1.2 Main Protection 1.2.1 Time delay at restart for compressor.
- Page 62 Electrical Control Function 1.3 Operation Modes and Functions 1.3.1 Fan mode ( 1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) Indoor fan can be set to high/med/low/auto. (4) The louver operates same as in cooling mode. (5) Auto fan: T1-24 High...
- Page 63 Electrical Control Function For the others models: High low temperature cooling Outdoor fan in low temperature cooling mode acts as follow: Exit low temperature cooling mode High fan running for 1 minute 1.3.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto. The auto fan: High Medium...
- Page 64 Electrical Control Function 1.3.2.1 Outdoor PMW open angle control The unit is working in heating mode with the EXV open 300P for 3 minutes, then adjusting PMW open angle according to the temperature of compressor discharge every 2 minutes. 1.3.3.2 Outdoor fan running rules: For OU-48 DC_FAN_SSLOW_SPD_ADD 21℃...
- Page 65 Electrical Control Function Time1 3℃ Time2 Time conditions: time1 Time conditions(Meet the following conditions) 1.Running in heating mode 2. T4≥3 ℃ 3. Compressor is on 4. T3≤TempEnterDefrost_ADD ℃ Cleared conditions (Meet any one of the following conditions) 1. Compressor is off. 2.
- Page 66 Electrical Control Function 4-Way valve no longer than 10min Compressor TimeA 10S 30S Indoor fan Outdoor fan PMV running 8 mins with 300P 480P Condition of ending defrosting: If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating mode.
- Page 67 Electrical Control Function All protections are active and the same as that in cooling mode. 1.3.6 Timer function 1.3.6.1 Timing range is 24 hours. 1.3.6.2 Timer on. The machine will turn on automatically when reaching the setting time. 1.3.6.3 Timer off. The machine will turn off automatically when reaching the setting time. 1.3.6.4 Timer on/off.
- Page 68 Electrical Control Function 1.3.10 Point Check Function There is a check switch in outdoor PCB. Press the switch SW1 to check the states of unit when the unit is running. Press the switch N times it will display the content corresponding to No. N. After getting into the check function, it will display No.
- Page 69 Electrical Control Function Frequency limit Bit0 caused by voltage DC fan motor speed The display value is between 30~120 degree. If the temp. is lower than 30 degree, the digital display tube will show “30”.If the temp. is higher than 99 degree, the digital display tube will IGBT radiator temp.
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Page 70: Troubleshooting
Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (Big cassette). 2.1.2 Icon explanation on indoor display board (Ceiling & Floor) 2.1.3 Icon explanation on indoor display board (A5 Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Timer indicator Infrared signal receiver... - Page 71 Troubleshooting 2.1.5 Display board of GA floor standing 2.1.6 Display board of M floor- standing Electrical Control System...
- Page 72 Troubleshooting 2.2 Indoor unit malfunction For floor standing: Contents Codes Evaporator low temp. protection Outdoor unit malfunction Indoor / outdoor units communication error Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Open or short circuit of T2B temperature sensor EEPROM chip malfunction Indoor fan speed is out of control For the others tyoes:...
- Page 73 Troubleshooting 2.3 Outdoor unit malfunction Display Malfunction or Protection Outdoor EEPROM malfunction Indoor / outdoor units communication error Communication malfunction between IPM board and outdoor main board Open or short circuit of T3 or T4 temperature sensor Voltage protection of compressor PFC module protection (Only for 48K with 1 phase) Top temperature protection of compressor High pressure protection...
- Page 74 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Open or short circuit of temperature sensor Check the connections between temperature Correct the connections. sensor and PCB. Are the connections good? Check the resistance value of the sensor via Appendix 1 Is it normal? Replace indoor or outdoor PCB.
- Page 75 Troubleshooting 2.4.1.2. Outdoor unit malfunction Outdoor unit malfunction Whether the outdoor main board has error Refer to corresponding solving steps display Whether the outdoor Check whether the power is on unit is power on Check whether the communication wire Connect the wiring well or between the indoor and replace the communication wire outdoor unit is...
- Page 76 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code? If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well?
- Page 77 Troubleshooting 2.4.1.5. Indoor fan Speed has been out of control. Shut off the power supply and turn it on 1 minute later. Is it The unit operates normally. still displaying the error code? Shut off the power supply, Replace indoor fan rotate the fan by hand.
- Page 78 Troubleshooting Control chip is in main PCB Orange Grey White Pink Black Color Signal Color Blue Yellow Signal 1) Release the UVW connector. Measure the resistance of U-V, U-W, V-W. If the resistance is not equal to each other, the fan motor must have problems and need to be replaced.
- Page 79 Troubleshooting 2.4.2 For the super-slim cassette with up-down panel 2.4.2.1 Communication error between indoor unit and up-down panel 2.4.2.2 Up-down panel is defective Electrical Control System...
- Page 80 Troubleshooting 2.4.2.3 Up-down panel is not closed Electrical Control System...
- Page 81 Troubleshooting 2.4.3 For the outdoor unit 2.4.3.1. E0 malfunction E0 display Outdoor EEPROM malfunction If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well? Replace the outdoor main board Electrical Control System...
- Page 82 Troubleshooting 2.4.3.2 . E2 malfunction E2 display Indoor / outdoor units communication error Power off, then turn on the unit 5 seconds later(reconnect the power wire).Is the error still displaying after several minutes? Check whether there’s any interference. Remove interference. Such as too many lamps, power Increase the capacity of anti- transformers? Or the signal wire...
- Page 83 Troubleshooting 2.4.3.3. E3 malfunction E3 display Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light? Check the signal wire between the IPM module and the main board, is it connected good? Reconnect and retry.
- Page 84 Troubleshooting 2.4.3.4. E4 malfunction E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the condenser temp. sensor(T3) is Connect the wiring well broken off Check whether the resistance of condenser temp. sensorT3) is Replace condenser temp.
- Page 85 Troubleshooting 2.4.3.5. E5 malfunction(For single phase units) E5 display Voltage protection Check the voltage of outdoor unit power supply, whether the voltage Check the power supply between L(1) and N is about 220~240VAC Replace the power board, then check whether the system can run normally Check whether the voltage of IPM board P and N is...
- Page 86 Troubleshooting 2.4.3.6. E5 malfunction(For three phases units) E5 display Voltage protection Check the voltage of outdoor unit power supply, whether the voltage between L(1) Check the power supply ,L(2),L(3)and N is about 220VAC and between L(1) ,L(2),L(3) is about 380VAC Replace the power board, then check whether the system can run normally...
- Page 87 Troubleshooting 2.4.3.7. E6 malfunction (Only for 48K with 1 phase) Electrical Control System...
- Page 88 Troubleshooting 2.4.3.8. P0 malfunction Electrical Control System...
- Page 89 Troubleshooting 2.4.3.9. P1 malfunction Electrical Control System...
- Page 90 Troubleshooting 2.4.3.10. P2 malfunction Electrical Control System...
- Page 91 Troubleshooting 2.4.3.11. P3 malfunction Electrical Control System...
- Page 92 Troubleshooting 2.4.3.12. P4 malfunction When compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when compressor discharge temperature is lower than 90°C. P4 display Temperature protection of compressor discharge Check whether the Check whether the compressor discharge temp.
- Page 93 Troubleshooting 2.4.3.13. P5 malfunction When condenser high temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. P5 display High temperature protection of condenser Replace the temperature sensor Check whether the condenser temperature is more than 65°C Check whether the...
- Page 94 Troubleshooting 2.4.3.14. P6 malfunction (For single phase units) P6 display IPM module protection Check whether the voltage Check whether the Regulate it to correct, range of P-N on IPM input power supply is then check whether the correct? 220-240V, 1N, system can work module is normal? DC277-...
- Page 95 Troubleshooting 2.4.3.15. P6 malfunction (For three phases units) P6 display IPM module protection Check whether the Regulate it to correct, Check whether the voltage input power supply is then check whether the range of P-N on IPM module is correct? 380-415V, 3N, system can work normal? DC 350-650V 50Hz...
- Page 96 Troubleshooting 2.4.3.16. P7 malfunction P7 display High temperature protection of evaporator Whether the Whether compressor connection is Reconnect and retest operates? good? Check the Check whether the heat resistance value of exchanger is dirty, the air- the sensor via Replace the temperature sensor outlet is blocked and the Appendix 1,Is it indoor fan is running...
- Page 97 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table ( ℃ --K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 12.6431 2.35774 0.62973 115.266 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038...