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Related Manuals for Toyotomi CFT35A-R
Summary of Contents for Toyotomi CFT35A-R
- Page 1 MODEL: CFT35A-R CFT50A-R CFT70A-R CFT100A-R CFT140A-R CFT170A-R...
- Page 3 Dimensions 2. Dimensions a. Wall mounting installation b. Ceiling installation Capacity (Btu/h) 12000-24000 30000-36000 1280 1195 48000-60000 1670 1070 1542 Note: The dimension of 12000Btu/h, 18000Btu/h and 24000Btu/h are the same. The dimension of 30000Btu/h and 36000Btu/h are the same. The dimension of 48000Btu/h and 60000Btu/h are the same.
- Page 4 Service Space 3. Service Space Ceiling & Floor Type...
- Page 5 Wiring Diagrams 4. Wiring Diagrams CFT 35A-Ri CFT 50A-Ri Ceiling & Floor Type...
- Page 6 Wiring Diagrams CFT 70A-Ri Ceiling & Floor Type...
- Page 7 Wiring Diagrams CFT 100A-Ri Ceiling & Floor Type...
- Page 8 Wiring Diagrams CFT 140A-Ri CFT 170A-Ri Ceiling & Floor Type...
- Page 9 Air Velocity and Temperature Distributions(Reference Data) 5. Air Velocity and Temperature Distributions(Reference Data) Discharge angle 60° (CEILING) Airflow velocity Temperature Ceiling & Floor Type...
- Page 10 Air Velocity and Temperature Distributions(Reference Data) Discharge angle 60°(FLOOR) Temperature Airflow velocity Ceiling & Floor Type...
- Page 11 Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. CFT 35A-Ri 220-240V 198V 254V CFT 50A-Ri 220-240V 198V 254V CFT 70A-Ri 220-240V 198V 254V CFT 100A-Ri 380-415V 342V 418V CFT 140A-Ri 380-420V 342V 440V CFT 170A-Ri 380-420V 342V 440V...
- Page 12 Sound Levels 7. Sound Levels Ceiling Floor Noise level dB(A) Model CFT 35A-Ri CFT 50A-Ri CFT 70A-Ri CFT 100A-Ri CFT 140A-Ri CFT 170A-Ri Ceiling & Floor Type...
- Page 13 Accessories 8. Accessories Name Shape Quantity 1.Hook Installation fittings 2.Hanging arm 3. Remote controller Remote controller & Its 4. Remote controller holder holder 5. Mounting screw (ST2.9×10-C-H) 6. Alkaline dry batteries (AM4) 7. Owner's manual Others 8. Installation manual 9. Remote controller manual Ceiling &...
- Page 14 The Specification of Power 9. The Specification of Power Cooling & Heating 12000-18000 30000-36000 30000-60000 Type 24000Btu/h Btu/h Btu/h Btu/h Phase 1-phase 1-phase 1-phase 3-phase Power 220-240V, 220-240V, 220-240V, 380-415V, Frequency and Voltage 50Hz 50Hz 50Hz 50Hz Circuit Breaker/ Fuse (A) 20/16 40/25 50/30...
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Page 15: Table Of Contents
Outdoor Units Outdoor Units 1. Dimensions ....................21 2. Service Space....................23 3. Piping Diagrams..................24 4. Wiring Diagrams ..................27 5. Electric Characteristics ................31 6. Operation Limits ..................32 7. Sound Levels ....................33 Outdoor Units... -
Page 16: Outdoor Units
Dimensions 1. Dimensions Model CFT 35A-Ro CFT 50A-Ro CFT 70A-Ro CFT 100A-Ro Outdoor Units... - Page 17 Dimensions Model CFT 140A-Ro 1167 CFT 170A-Ro 1167 Outdoor Units...
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Page 18: Service Space
Service Space 2. 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 19: Piping Diagrams
Piping Diagrams 3. Piping Diagrams CFT 35A-Ro, CFT 50A-Ro, CFT 70A-Ro, CFT 100A-Ro INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE T3 Condenser temp. sensor CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. - Page 20 Piping Diagrams CFT 140A-R INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE T3 Condenser temp. sensor CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. T4 Ambient sensor temp. sensor T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE ACCUMULATOR...
- Page 21 Piping Diagrams CFT 170A-R INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE T3 Condenser temp. sensor CAPILIARY TUBE HEAT EXCHANGE HEAT (EVAPORATOR) T4 Ambient T1 Room temp. EXCHANGE temp. sensor sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE Accumulator...
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Page 22: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams CFT 35A-Ro Outdoor Units... - Page 23 Wiring Diagrams CFT 50A-Ro CFT 70A-Ro Outdoor Units...
- Page 24 Wiring Diagrams CFT 100A-Ro Outdoor Units...
- Page 25 Wiring Diagrams CFT 140A-Ro, CFT 170A-Ro Outdoor Units...
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Page 26: Electric Characteristics
Electric Characteristics 5. Electric Characteristics Outdoor Unit Model Voltage Min. Max. CFT 35A-Ro 220~240V 198V 254V CFT 50A-Ro 220~240V 198V 254V CFT 70A-Ro 220~240V 198V 254V CFT 100A-Ro 380~420V 342V 440V CFT 140A-Ro 380~420V 342V 440V CFT 170A-Ro 380~420V 342V 440V Outdoor Units... -
Page 27: Operation Limits
Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Mode Room temperature For the Outdoor temperature models with low temperature cooling system Cooling Heating With Low Ambient Cooling System Indoor temperature( Indoor temperature( Outdoor Units... -
Page 28: Sound Levels
Sound Levels 7. Sound Levels 12000Btu/h-48000Btu/h 60000Btu/h Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Note: The point A is in the middle of the whole outdoor panel. Model Noise level dB(A) CFT 35A-Ro CFT 50A-Ro CFT 70A-Ro CFT 100A-Ro CFT 140A-Ro... - Page 29 Control Electrical Electrical Control System 1. Electrical Control Function ................35 2. Troubleshooting..................45 3. Controller................Control Electrical...
- Page 30 Electrical Control Function Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of evaporator 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. 1.2.2 Sensor protection at open circuit and breaking disconnection.
- Page 31 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: Big Cassette High...
- Page 32 Electrical Control Function High 1.3.2.2 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: Big cassette: T1-TS High Compact cassette: T1-TS High Others type T1-Ts...
- Page 33 Electrical Control Function 1.3.2.3 Low evaporator coil temperature T2 protection When the evaporator coil temp.T2 keeps lower than TE5 for 3 minutes, the compressor and outdoor fan will shut off. When T2 is higher than TE6, the compressor and outdoor fan will restart up. 1.3.2.4 Condenser high temperature T3 protection TE12 TE13...
- Page 34 Electrical Control Function 1.3.3.2 Indoor fan running rules: When the compressor is on, the indoor fan can be set to high/med/low/auto. And the anti-cold wind function has the priority. Anti-cold wind function: When evaporator coil temp.T2 is getting higher, T2>TE2, the indoor fan will run at setting speed. TE1<T2<TE2, the indoor fan will run at low speed.
- Page 35 Electrical Control Function For DL ceiling installation & duct:: For cassette: T1-TS High 1.3.3.3 Defrosting mode For 1-phase outdoor units: Condition of defrosting: AC will enter defrosting mode if any of the following items is satisfied. A: For DL, high static pressure duct & cassette :The compressor keeps running over 40 minutes and T3 For A5 duct: T3<0 and the compressor keeps running over 45 minutes.
- Page 36 Electrical Control Function Setting defrosting time Compressor 4 way valve Outdoor fan Indoor fan For the others type:: The compressor is running, and 4-way valve and outdoor fan stop. The indoor fan works as anti-cold wind procedure. When defrosting is over, the compressor keeps running and the 4-way valve and outdoor fan will start up.
- Page 37 Electrical Control Function 1.3.3.4 High evaporator coil temp.T2 protection: For DL: Compressor off Compressor and Outdoor fan off Outdoor fan off Compressor and Outdoor fan on Compressor and Outdoor fan on For duct & cassette: Compressor off Outdoor fan off Compressor on Outdoor fan off TE10 Compressor on Outdoor fan on...
- Page 38 Electrical Control Function 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. T 1.3.6.5 Timer off/on. T , and then 1.3.6.6 The timer function will not change the AC current operation mode.
- Page 39 Electrical Control Function If the error disappears in 3 minutes, the drain pump will work as normal state. (if it is necessary to turn off the pump, it will be off in 1 minute delay.) If the error is still there in 3 minutes, the drain pump will be off as well as the AC unit. The error can be cleared only when the power of the unit is cut off.
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Page 40: Troubleshooting
Troubleshooting 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 (Compact cassette & High static pressure Duct). 2.1.3 Icon explanation on indoor display board (Ceiling & Floor) 2.1.4 Icon explanation on indoor display board (A5 Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator... - Page 41 Troubleshooting 2.2. Self-diagnosis (1) For the Big Four-way cassette & the A5 Duct During malfunction or protection, the indicators and digital LED displays as follow: Operation Timer Def/Fan Alarm Digital LED Display Malfunction or protection Indoor temperature sensor is abnormal Evaporator temperature sensor is abnormal Condenser temperature sensor is abnormal EEPROM malfunction...
- Page 42 Troubleshooting Type Contents LED1 LED2 LED3 Trouble Phase sequence Flash Trouble Lack of phase(A,B) Flash Trouble Lack of phase(C) Trouble Protection of Low pressure Flash Flash Trouble Overload of current Flash Trouble Communication malfunction Flash Flash Trouble Open-circuit and short-circuit trouble of T3 Flash Flash Trouble...
- Page 43 Troubleshooting 2.3. Solving steps for typical malfunction (1) For indoor unit a. Indoor room temperature T1 and sensor evaporator temperature sensor T2 is abnormal Is connection to connector of temp. sensor good? Repair connector Check the resistance of the temp. sensor according to Appendix 1 Is it the resistance is normal? Indoor PCB is defective.
- Page 44 Troubleshooting c. EEPROM malfunction EEPROM malfunction EEPROM chip is broken Replace EEPROM Replace the control chip Check whether the main control chip is broken Check PCB board or replace the main control board f. Full-water malfunction Full-water malfunction Check whether the water-level switch is inserted well Insert the water-level switch well Check whether the water-level switch is broken Replace the water-level switch...
- Page 45 Troubleshooting (2) For the outdoor unit a. Phase sequence error: Phase sequence error Change the order of two of the wires to power supply. Switch on the unit again. If the problem cannot be solved, the outdoor PCB is defective b.
- Page 46 Troubleshooting d. Protection of pressure or temp. Protection of pressure or temp. Is it k1 or K2 open ? Is temp. protective switch K1 open Is pressure protective switch K2 open Possible reason Possible reason 1. The wires is loose to K1 1.
- Page 47 Troubleshooting f. Open-circuit and short-circuit trouble of T4 Is connection to connector of temp. sensor good? Check the resistance of the temp. sensor according to Appendix 1 Repair connector Is it the resistance is normal? Replace the sensor Indoor PCB is defective. g.
- Page 48 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 84.2190 10.000 1.96532 0.54448 79.3110...