Toyotomi CCT140A-M Service Manual Download Page 20 | Manualshive

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Piping Diagrams

Outdoor Units

LIQUID SIDE

GAS SIDE

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

COMPRESSOR

2-WAY VALVE

3-WAY VALVE

4-WAY VALVE

COOLING

HEATING

T2 Evaporator

temp. sensor

T1 Room temp.

sensor

T3 Condenser

temp. sensor

ACCUMULATOR

INDOOR

OUTDOOR

T4 Ambient

temp. sensor

CHECK VALVE

(Heating Model only)

CAPILIARY TUBE

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Summary of Contents for CCT140A-M

Page 1: ...Service Manual MODEL CCT70A M CCT140A M...

Page 2: ...e Four way Cassette Type 1 Features 2 Dimensions 3 Service Space 4 Wiring Diagrams 5 Air Velocity and Temperature Distributions Reference Data 6 Electric Characteristics 7 Sound Levels 8 Accessories 9...

Page 3: ...enient for maintenance 1 2 3D screw fan technology 3D screw indoor fan technology reduces the air resistance increases the air volume and improves the heat exchange efficiency Operate quietly 1 3 Air...

Page 4: ...pumping head is 750mm upmost It s convenient to install drainage piping under most space condition 1 5 LED display Digital LED interface makes the unit more elegant Normally display the setting temper...

Page 5: ...way Cassette Type 2 Dimensions CCT70A M 4 install hanger Gas side Liquid side E parts box Pump inspect hole Drain hole C C T 1 4 0 A M 4 install hanger Gas side Liquid side E parts box Pump inspect h...

Page 6: ...oom for installation and maintenance The ceiling is horizontal and its structure can endure the weight of the indoor unit The outlet and the inlet are not impeded and the influence of external air is...

Page 7: ...Wiring Diagrams Four way Cassette Type Wiring Diagrams C C T 7 0 A M...

Page 8: ...Wiring Diagrams Four way Cassette Type CCT140A M...

Page 9: ...Air Velocity and Temperature Distributions Reference Data Four way Cassette Type 5 Air Velocity and Temperature Distributions Reference Data Airflowvelocity Temperature...

Page 10: ...s Model Indoor Units Power Supply Hz Voltage Min Max MFA CCT70A M 50 220 240V 198V 254V 25 CCT140A M 50 380 415V 342V 418V 15 Remark MFA Max Fuse Amps A 7 Sound Levels 1 0m FOUR WAY CASSETTE TYPE Micr...

Page 11: ...1 6 Binding tape 6 7 Soundproof insulation sheath 2 Drainpipe Fittings 8 Out let pipe sheath 1 9 Out let pipe clasp 1 10 Tightening band 20 11 Drain joint 1 12 Seal ring 1 Protect Pipe Fittings 13 Wal...

Page 12: ...Phase 1 phase 3 phase Frequency and Voltage 220 240V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 40 25 25 15 Indoor Unit Power Wiring mm 2 3 2 5 5 2 5 Indoor Outdoor Connecting Wiring mm 2 Ground Wirin...

Page 13: ...Field Wiring Four way Cassette Type 10 Field Wiring Wiring chart MCC 24HRN1...

Page 14: ...Field Wiring Four way Cassette Type CCT140A M...

Page 15: ...Outdoor Units Outdoor Units Part 3 Outdoor Units 1 Dimensions 2 Service Space 3 Piping Diagrams 4 Wiring Diagrams 5 Electric Characteristics 6 Operation Limits 7 Sound Levels...

Page 16: ...Dimensions Outdoor Units 1 Dimensions mm Model A B C D E F H CCT70A M 842 560 335 360 312 324 695...

Page 17: ...Dimensions Outdoor Units mm Model A B C D E F H CCT140A M 900 590 378 400 330 340 1167...

Page 18: ...Service Space Outdoor Units 2 Service Space More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet Wall or obstacle Maintain channel...

Page 19: ...ANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor T3 Condenser temp sensor ACCUMULATOR INDOOR OUTDOOR...

Page 20: ...EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor T3 Condenser temp sensor ACCUMULATOR INDOOR OUTDOOR T4 A...

Page 21: ...Wiring Diagrams Outdoor Units CCT70A M...

Page 22: ...Wiring Diagrams Outdoor Units CCT140A M...

Page 23: ...Electric Characteristics Outdoor Units 5 Electric Characteristics Model Outdoor Unit Hz Voltage Min Max CCT70A M 220 240V 208V 253V CCT140A M 50 380 420V 342V 440V...

Page 24: ...r temperature 18 43 7 24 7 43 For the models with low temperature cooling system 10 15 25 30 35 20 15 20 25 30 35 40 45 Indoor temperature WB Outdoor temperature DB STD Cooling 43 17 32 10 5 0 5 10 18...

Page 25: ...s 7 Sound Levels 24000Btu h 48000Btu h Microphone Outdoor Unit H 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 C C T 7 0 A...

Page 26: ...Electrical Control Electrical Control Part 5 Electrical Control System 1 Electrical Control Function 2 Troubleshooting 3 Controller...

Page 27: ...osed If it is open the system will stop until the fault is cleared During defrosting procedure and 4 minutes after defrosting ends low pressure switch won t be checked Note The system will not check i...

Page 28: ...1 3 2 1 Outdoor fan running rules For 1 phase outdoor units The On off outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp...

Page 29: ...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 prot...

Page 30: ...High 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...

Page 31: ...compressor keeps running over 45 minutes Meanwhile T3 3 for 3minutes B After the last defrosting the time that the outdoor fan is off but the compressor is on in high T2 protection cumulates up to 90...

Page 32: ...nwhile T3 3 for 3minutes l Condition of ending defrosting If any one of the following items is satisfied the defrosting will terminate and the machine will turn to normal heating mode A T3 rises to be...

Page 33: ...nd the same as that in cooling mode 1 3 5 3 The louver operates the same as 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 automaticall...

Page 34: ...auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume th...

Page 35: ...ration Timer Def Fan Alarm Digital LED Display Malfunction or protection 1 X X X E2 Indoor temperature sensor is abnormal 2 X X X E3 Evaporator temperature sensor is abnormal 3 X X X E4 Condenser temp...

Page 36: ...ter errors are eliminated For T3 malfunction of 5HP can t recover automatically 6 X X X Evaporator temperature sensor is abnormal 7 X X X Condenser temperature sensor is abnormal 8 X X EEPROM malfunct...

Page 37: ...Flash Off Trouble Overload of current Off Off Flash Trouble Communication malfunction Flash Off Flash Trouble Open circuit and short circuit trouble of T3 Off Flash Flash Trouble Open circuit and sho...

Page 38: ...connection to connector of temp sensor good Check the resistance of the temp sensor according to Appendix 1 Repair connector No Yes Is it the resistance is normal Indoor PCB is defective Replace the s...

Page 39: ...broken Check PCB board or replace the main control board Replace the water level switch Yes No Check whether the water pump is normal Yes Insert the water level switch well No Yes Replace the water p...

Page 40: ...se sequence error b Overload of current c Lack of phase 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 P...

Page 41: ...f pressure or temp Is it k1 or K2 open Is temp protective switch K1 open Possible reason 1 The wires is loose to K1 2 Air or other gas in the refrigerant 3 Heat exchanger is dirty 4 Outdoor fan or fan...

Page 42: ...it normal Possible reason 1 Air or other gas in the refrigerant 2 Heat exchanger is dirty 3 Outdoor fan or fan blade is defective 4 Outdoor unit is bad ventilation 5 Refrigerant is leakage Replace th...

Page 43: ...59 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 3598...

Page 44: ...3 Co ol heat Lock Reset 15 13 12 14 Confirmbutton 1 6 Economic operation TIME ON TI ME OF F C LOCK SWING AIRDIRE CTI ON O K ECO SW ING MODE FAN S P EED M AUTO COO L DRY HEAT FAN TEMP SET SET Visual ph...

Page 45: ...etting or electrifying for the first time Press CLOCK for 5s icon indicating hour will flash with 0 5s Press it again icon indicating minute will flash with 0 5s and are used to adjust the figure Sett...

Page 46: ...er is standard for Four way cassette type and the Ceiling floor type General Function for wireless remote controller Model RG51Q1 BGE Rated voltage 3 0V 2pieces of LR03 7 batteries Min voltage for sen...

Page 47: ...he current setting and reset remote controller 7 ON OFF For turning on or turning off the air conditioner 8 FAN SPEED Fan speed will be selected in following sequence once pressing this button AUTO LO...

Page 48: ...MER ON then adjust the time of TIMER ON as 0 0 3 Timer off button Push the button to set TIMER OFF each time you push the button the time moves forward by o 5 hours When the set time is over 10 hours...

Page 49: ...he icon of LOCK disappears In the mode of LOCK all the buttons are invalid except for LOCK button 5 CLOCK display Usually display the clock set currently Press the button CLOCK for 4 seconds the HOUR...

Page 50: ...indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board then connecting the terminal 5v GND Run in the Switch Board...

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