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Instruction

SiBE12-519

104

System Configuration

FTK(X)S20/25/35C

INTELLIGENT EYE Operation

“INTELLIGENT EYE” is the infrared sensor which
detects the human movement.

■

To start INTELLIGENT
EYE operation

1. Press “SENSOR button”.

■

To cancel the
INTELLIGENT EYE
operation

2. Press “SENSOR button” again.

[EX.]

TEMP

ON/OFF

POWERFUL

HOME LEAVE

MODE

TIMER

FAN

SWING

SILENT

SENSOR

CANCEL

OFF

1, 2

When somebody in the room

• Normal operation

When nobody in the room

• 20 min. after, start

energy saving

operation

Somebody back in the room

• Back to normal operation.

Содержание 2MKS40DVMB

Страница 1: ...D Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Inverter Multi for 2 Rooms SiBE 12 519 ...

Страница 2: ...0D 2 VMW L 9 FDKS25CVMB FTKS25D 2 VMW L 9 FDKS35CVMB FTKS35D 2 VMW L 9 FLKS25BVMB FTKS20CVMB 9 FLKS35BVMB FTKS25CVMB 9 8 FTKS35CVMB 9 8 zHeat Pump Outdoor Unit Indoor Unit 2MXS40DVMB FTXS20D 2 VMW L 9 FDXS25CVMB FTXS25D 2 VMW L 9 FDXS35CVMB FTXS35D 2 VMW L 9 FLXS25BVMB FTXS20CVMB 9 FLXS35BVMB FTXS25CVMB 9 8 FTXS35CVMB 9 8 ...

Страница 3: ...ciple 34 1 2 Power Airflow Dual Flaps Wide Angle Louvers and Auto Swing 36 1 3 Fan Speed Control for Indoor Units 37 1 4 Programme Dry Function 38 1 5 Automatic Operation 39 1 6 Thermostat Control 40 1 7 Night Set Mode 41 1 8 ECONO Mode 42 1 9 INTELLIGENT EYE 43 1 10 HOME LEAVE Operation 45 1 11 Inverter POWERFUL Operation 46 1 12 Other Functions 47 2 Function of Main Structural Parts 49 2 1 Main ...

Страница 4: ...6 Service Diagnosis 127 1 Caution for Diagnosis 128 2 Problem Symptoms and Measures 130 3 Service Check Function 131 4 Troubleshooting 134 4 1 Error Codes and Description 134 4 2 Indoor Unit PCB Abnormality 135 4 3 Freeze up Protection Control or High Pressure Control 136 4 4 Fan Motor or Related Abnormality 138 4 5 Thermistor or Related Abnormality Indoor Unit 141 4 6 Freeze up Protection Control...

Страница 5: ...Fan Motor 180 1 2 Removal of the PCB 185 1 3 Removal of the Electrical Box 190 1 4 Removal of the Sound Blanket 193 1 5 Removal of the Thermistor 196 1 6 Removal of the Four Way Valve 197 1 7 Removal of the Electronic Expansion Valve 199 1 8 Removal of the Compressor 200 Part 8 Others 203 1 Others 204 1 1 Test Run from the Remote Controller 204 1 2 Jumper Settings 205 Part 9 Appendix 207 1 Piping ...

Страница 6: ...plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the dischargin...

Страница 7: ...elder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency Warning Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the e...

Страница 8: ...s leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic ga...

Страница 9: ...ng and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet ...

Страница 10: ...SiBE12 519 List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...

Страница 11: ...ree Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Silent Operation Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Silent Operation Manual Intellige...

Страница 12: ...ure Horizontal Auto Swing Right and Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Comfort Airflow Mode Anticorrosion Treatment of Outdoor Heat Exchanger 3 Step Airflow H P Only Flexibility Multi Split Split Type Compatible Indoor Unit Comfort Control Auto Fan Speed Flexible Voltage Correspondence Indoor Unit Silent Operation High Ceiling Application Night Quiet Mode Automa...

Страница 13: ... Reliability Durability Auto Restart after Power Failure Comfort Airflow Mode Self Diagnosis Digital LED Display 3 Step Airflow H P Only Wiring Error Check Comfort Control Auto Fan Speed Anticorrosion Treatment of Outdoor Heat Exchanger Indoor Unit Silent Operation Night Quiet Mode Automatic Flexibility Multi Split Split Type Compatible Indoor Unit Outdoor Unit Silent Operation Manual Intelligent ...

Страница 14: ...ailure Horizontal Auto Swing Right and Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Comfort Airflow Mode Anticorrosion Treatment of Outdoor Heat Exchanger 3 Step Airflow H P Only Flexibility Multi Split Split Type Compatible Indoor Unit Comfort Control Auto Fan Speed Flexible Voltage Correspondence Indoor Unit Silent Operation High Ceiling Application Night Quiet Mode Aut...

Страница 15: ...Heat Pump SiBE12 519 6 List of Functions ...

Страница 16: ...SiBE12 519 Specifications 7 Part 2 Specifications 1 Cooling Only 8 1 1 Indoor Units 8 1 2 Outdoor Units 12 2 Heat Pump 14 2 1 Indoor Units 14 2 2 Outdoor Units 18 ...

Страница 17: ...as Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049118A 3D049119A Model FTKS25D 2 VMW 9 FTKS25D 2 VML Rated Capacity 2 5kW Class 2 5kW Class Front Panel Color White Silver Line Air Flow Rates m min cfm H 8 7 307 8 7 307 M 6 7 237 6 7 237 L 4 7 166 4 7 166 SL 3 9 138 3 9 138 Fan Type Cross Flow Fan Cross Flow Fan Motor Output W 40 40 Speed Steps...

Страница 18: ...Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049122A 3D049123A Model FTKS20CVMB 9 FTKS25CVMB 9 8 Rated Capacity 2 0kW Class 2 5kW Class Front Panel Color White White Air Flow Rates m min cfm H 7 7 272 7 7 272 M 5 9 208 5 9 208 L 4 2 148 4 2 148 SL 3 6 127 3 6 127 Fan Type Cross Flow Fan Cross Flow Fan Motor Output W 18 18 Speed Steps 5 Steps Silent Auto 5 Steps Silent...

Страница 19: ...3 Sound Power H dBA 57 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ 9 5 Drain mm φ18 0 Drawing No 3D044244B Model FDKS25CVMB FDKS35CVMB Rated Capacity 2 5kW Class 3 5kW Class Front Panel Color Air Flow Rates m min cfm H 9 5 335 10 0 353 M 8 8 311 9 3 328 L 8 0 282 8 5 300 SL 6 7 237 7 0 247 Fan Type Sirocco Fan Sirocco Fan Motor Output W 62 62 Speed Steps 5 ...

Страница 20: ...ir Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 34 0 36 Power Consumption Rated W 74 78 Power Factor 94 6 94 2 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 490 1 050 200 490 1 050 200 Packaged Dimensions H W D mm 280 1 100 566 280 1 100 566 Weight kg 16 16 Gross Weight kg 22 22 Operation Sound H M L SL dBA 3...

Страница 21: ...5 6 Dimension H W D mm 640 685 285 Packaged Dimension H W D mm 676 800 366 Weight kg 39 Gross Weight kg 42 Operation Sound Sound pressure dBA 47 Silent Mode dBA 43 Sound Power dBA 62 Piping Connection Liquid mm φ 6 4 2 Gas mm φ 9 5 2 Drain mm φ 18 Heat Insulation Both Liquid Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring Max Piping Length m 30 for Total of Each Room 20...

Страница 22: ...1 20 3 60 1120 340 1440 5 1 1 9 6 5 95 2 0 2 0 1 90 1 90 3 80 1 50 4 10 1190 400 1460 5 5 2 2 6 7 94 2 0 2 5 1 80 2 10 3 90 1 50 4 10 1210 400 1460 5 6 2 2 6 7 94 2 0 3 5 1 70 2 20 3 90 1 50 4 20 1210 400 1490 5 6 2 2 6 8 94 2 5 2 5 1 95 1 95 3 90 1 50 4 20 1210 400 1490 5 6 2 2 6 8 94 2 5 3 5 1 75 2 15 3 90 1 50 4 20 1210 400 1490 5 6 2 2 6 8 94 Combination of Indoor Unit Each Capacity kW Total C...

Страница 23: ... Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D049110A 3D049111A Model FTXS25D 2 VMW 9 FTXS25D 2 VML Cooling Heating Cooling Heating Rated Capacity 2 5kW Class 2 5kW Class Front Panel Color White Silver Line Air Flow Rates m min cfm H 8 7 307 9 4 332 8 7 307 9 4 332 M 6 7 237 7 6 268 6 7 237 7 6 268 L 4 7 166 5 8 205 4 7 166 5 8 205 SL 3 9 138 5...

Страница 24: ...id mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ 9 5 Drain mm φ18 0 φ18 0 Drawing No 3D048875A 3D049114A Model FTXS20CVMB 9 FTXS25CVMB 9 8 Cooling Heating Cooling Heating Rated Capacity 2 5kW Class 2 5kW Class Front Panel Color White White Air Flow Rates m min cfm H 7 7 272 7 8 275 7 7 272 7 8 275 M 5 9 208 6 5 230 5 9 208 6 5 230 L 4 2 148 5 3 187 4 2 148 5 3 187 SL 3 6 127 4 6 162 3 6 127 4 6 162 Fan Type Cross...

Страница 25: ... Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ 9 5 Drain mm φ18 0 Drawing No 3D044247B Model FDXS25CVMB FDXS35CVMB Cooling Heating Cooling Heating Rated Capacity 2 5kW Class 3 5kW Class Front Panel Color Air Flow Rates m min cfm H 9 5 335 9 5 335 10 0 353 10 0 353 M 8 8 311 8 8 311 9 3 328 9 3 328 L 8 0 282 8 0 282 8 5 300 8 5 300 SL 6 7 237 6 7 237 7 0 247 7 0 247 Fan Type ...

Страница 26: ...Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 32 0 34 0 36 0 36 Power Consumption Rated W 70 74 78 78 Power Factor 95 1 94 6 94 2 94 2 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 490 1 050 200 490 1 050 200 Packaged Dimensions H W D mm 280 1 100 566 280 1 100 566 Weight kg 16 16 Gross...

Страница 27: ...imension H W D mm 640 685 285 Packaged Dimension H W D mm 676 800 366 Weight kg 39 Gross Weight kg 42 Operation Sound Sound Pressure dBA 47 48 Silent Mode dBA 43 44 Sound Power dBA 62 Piping Connection Liquid mm φ 6 4 2 Gas mm φ 9 5 2 Drain mm φ18 Heat Insulation Both Liquid Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring Max Piping Length m 30 for Total of Each Room 20...

Страница 28: ...g min max Rating min max Rating min max Rating 2 0 3 00 3 00 1 20 3 70 1000 380 1340 4 6 2 1 6 2 94 2 5 3 40 3 40 1 20 4 10 1140 380 1600 5 2 2 1 7 5 95 3 5 3 80 3 80 1 20 4 40 1350 380 1850 6 2 2 1 8 6 95 2 0 2 0 2 10 2 10 4 20 1 50 4 60 1140 340 1390 5 2 1 8 6 4 95 2 0 2 5 2 10 2 30 4 40 1 50 4 70 1190 340 1420 5 4 1 8 6 6 96 2 0 3 5 2 00 2 40 4 40 1 50 4 70 1190 340 1420 5 4 1 8 6 6 96 2 5 2 5 ...

Страница 29: ...Heat Pump SiBE12 519 20 Specifications ...

Страница 30: ...tor Wiring Diagram 21 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Printed Circuit Board Connector Wiring Diagram 22 1 1 Wall Mounted Type 22 1 2 Duct Connected Type 27 1 3 Floor Ceiling Suspended Dual Type 29 1 4 Outdoor Unit 31 ...

Страница 31: ...ay PCB 5 S27 S29 S36 Connector for control PCB 6 S28 Connector for signal receiver PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for INTELLIGENT EYE sensor PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function auto restart Refer to page 205 for detail 3 SW1 Forced operation ON OFF switch 4 LED1...

Страница 32: ...inted Circuit Board Connector Wiring Diagram 23 PCB Detail PCB 1 Control PCB PCB 4 INTELLIGENT EYE sensor PCB V1 S1 FU1 S6 S26 S28 S32 JC JB JA LED A S35 S21 R4288 PCB 2 Signal Receiver PCB PCB 3 Display PCB S29 R4289 RTH1 SW1 S27 LED3 LED2 LED1 R4290 S36 R4291 ...

Страница 33: ... signal receiver PCB 6 S27 Connector for control PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for INTELLIGENT EYE Sensor PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function Refer to page 205 for more detail 3 SW7 Forced operation ON OFF switch 4 LED1 LED for operation green 5 LED2 LED for ti...

Страница 34: ...ector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 25 PCB JP21 JB JA JC 5V GND 12V R2413 SW7 PCB 1 Control S1 5V Check S27 S7 S6 S26 S32 JA S35 S21 V1 JB JC GND 12V Check PCB 2 Signal reciever PCB 3 Intelligent eye sensor ...

Страница 35: ...Printed Circuit Board Connector Wiring Diagram SiBE12 519 26 Printed Circuit Board Connector Wiring Diagram PCB Detail ...

Страница 36: ... to 5 rooms 5 S26 Connector for display PCB 6 S32 Connector for room temp heat exchanger thermistor 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function Refer to page 205 for more detail 3 SW1 Forced operation ON OFF switch 4 LED1 LED for operation green 5 LED2 LED for timer yellow 6 LED3 LED for HOME LEAVE operation...

Страница 37: ...Printed Circuit Board Connector Wiring Diagram SiBE12 519 28 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Display PCB ...

Страница 38: ...or for control PCB 6 S26 Connector for signal receiver PCB 7 S31 Connector for room temperature thermistor 8 S32 Connector for heat exchanger thermistor 9 S37 Connector for power supply PCB 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function Refer to page 205 for detail 3 SW1 Forced operation ON OFF switch 4 SW2 Sel...

Страница 39: ...Printed Circuit Board Connector Wiring Diagram SiBE12 519 30 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Power Supply PCB PCB 3 Display PCB PCB 4 Signal Receiver PCB ...

Страница 40: ... valve coil B port 6 S30 Connector for compressor 7 S40 Connector for overload protector 8 S70 Connector for fan motor 9 S80 Connector for four way valve coil 10 S90 Connector for thermistor outdoor air heat exchanger and discharge pipe 11 S91 Connector for thermistor gas pipe and liquid pipe 12 S92 Connector for fin thermistor 13 HC3 HC4 Connector for capacitor 14 HR3 HR4 Connector for reactor 1 ...

Страница 41: ...Printed Circuit Board Connector Wiring Diagram SiBE12 519 32 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 2 Control PCB ...

Страница 42: ...rter POWERFUL Operation 46 1 12 Other Functions 47 2 Function of Main Structural Parts 49 2 1 Main Structural Parts 49 2 2 Function of Thermistor 50 3 Control Specification 53 3 1 Mode Hierarchy 53 3 2 Frequency Control 54 3 3 Controls at Mode Changing Start up 57 3 4 Discharge Pipe Control 58 3 5 Input Current Control 58 3 6 Freeze up Protection Control 59 3 7 Heating Peak cut Control 59 3 8 Fan ...

Страница 43: ...xplains the conversion principle Drawing of Inverter The following drawing shows a schematic view of the inverter principle Phase Description 1 The supplied AC power source is converted into the DC power source for the present 2 The DC power source is reconverted into the three phase AC power source with variable frequency When the frequency increases the rotation speed of the compressor increases...

Страница 44: ... air condition with a small room temperature variation Energy saving heating and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following table shows the functions that define the minimum and maximum frequency Forced Cooling Operation For more information refer to Forced operation mode on page 67 60...

Страница 45: ... room Wide Angle Louvers The louvres made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution Auto Swing In case of FTK X S20 35D The following table explains the auto swing process for heating cooling dry and fan COMFORT AIRFLOW Mode FTK X S20 35D The vertical swing flap is controlled not to blow the air directly on the person in the room The ...

Страница 46: ...peration fan rotates at H tap 50 90 rpm 2 Fan stops during defrost operation Automatic Air Flow Control for Heating The following drawing explains the principle for fan speed control for heating Automatic Air Flow Control for Cooling The following drawing explains the principle of fan speed control for cooling Step Cooling Heating Dry mode LLL 20 25 35kW class 670 880 rpm During powerful operation...

Страница 47: ... set by the microcomputer is divided into two zones Then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room temperature at startup Temperature ON point at which operation starts Frequency switching point Temperaturedifference for operation stop 24 C Room temperature at startup 0 5 C 1 5 C 18 C 18 C 1 0 C...

Страница 48: ...ler setting temperature plus correction value correction value cooling 0 deg heating 2 deg 3 Operation ON OFF point and mode switching point are as follows Heating Cooling switching point Room temperature Main unit setting temperature 2 5 deg Cooling Heating switching point Room temperature Main unit setting temperature 2 5 deg Thermostat ON OFF point is the same as the ON OFF point of cooling or ...

Страница 49: ...perature difference is above the zone C after being in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Heating B A OFF ON C Cooling 0 5 C Dry 0 5 C Room temperature setpoint Cooling 2 0 C Dry 2 5...

Страница 50: ... heating or cooling the room at the set temperature for the first one hour then automatically raises the temperature setting slightly in the case of cooling or lowers it slightly in the case of heating for economical operations This prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity Cooling Operation In case...

Страница 51: ...remote controller by pushing the ECONO button When this function is ON the maximum capacity is also down Approx 20 This function can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled This function and POWERFUL operation cannot be used at the same time The latest command has the priority Details ECONO mode can be activated while the unit is r...

Страница 52: ...rocomputer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature sifted 2 C from the set temperature Cooling 2 C higher Dry 1 C higher and Auto according to the operation mode at that time 1 In case of Fan mode the fan speed reduces by 50 rpm If the sensor detects the outputs 10 times sec or more it judges humans exist 1sec sa...

Страница 53: ...s so as to prevent this phenomena After this 40 minutes the prohibition of the thermostat off is cancelled and it can realize the conditions to conduct thermostat off depending on the room temperature In or after this forty minutes if the sensor detects human motion detection signal it let the set temperature and the fan speed return to the original set point keeping a normal operation Others The ...

Страница 54: ...ped the function becomes effective when the operation is started If this button is pressed in powerful operation the powerful operation is reset and this function becomes effective The HOME LEAVE button is ineffective in dry mode and fan mode 2 Details of Function A mark representing HOME LEAVE is indicated on the liquid crystal display of the remote controller The indoor unit is operated accordin...

Страница 55: ...y minutes In case of FTK X S20 35D Ex Powerful operation in cooling mode Operation mode Fan speed Target set temperature COOL H tap 50 rpm 18 C DRY Dry rotating speed 50 rpm Normally targeted temperature in dry operation Approx 2 C HEAT H tap 50 rpm 30 C FAN H tap 50 rpm AUTO Same as cooling heating in Powerful operation The target is kept unchanged R4560 Target temp Fan 50rpm Set temp 18 C Powerf...

Страница 56: ...useful when the remote controller is missing The operation mode refers to the following table In the case of multi system operation there are times when the unit does not activate with this button 1 12 4 Titanium Apatite Photocatalytic Air Purifying Filter This filter combines the Air Purifying Filter and Titanium Apatite Photocatalytic Deodorizing Filter in a single highly effective unit The filt...

Страница 57: ...is performed 1 12 8 Mold Proof Air Filter The filter net is treated with mold resisting agent TBZ harmless colorless and odorless Due to this treatment the amount of mold growth is much smaller than that of normal filters 1 12 9 Self Diagnosis Digital Display The microcomputer continuously monitors main operating conditions of the indoor unit outdoor unit and the entire system When an abnormality ...

Страница 58: ...ral Parts Function and Control 49 2 Function of Main Structural Parts 2 1 Main Structural Parts Heat Pump Model Cooling Only Model Four way valve Compressor EVB EVA Receiver Expansion valve R4685 Compressor EVB EVA Expansion valve R4686 ...

Страница 59: ...eat exchanger temperature the discharge pipe thermistor is judged as disconnected 3 The outdoor heat exchanger thermistor is used for high pressure protection during cooling operation B Discharge Pipe Thermistor DOT 1 The discharge pipe thermistor is used for controlling temperature of the discharge pipe If the temperature of discharge pipe used in place of the inner temperature of the compressor ...

Страница 60: ...indoor heat exchanger thermistors are used for detecting disconnection of the discharge pipe thermistor When the discharge pipe temperature become lower than an indoor heat exchanger temperature a disconnected discharge pipe thermistor can be detected 5 When only one indoor unit is operating the indoor heat exchanger thermistor is used for sub cooling control The actual sub cooling is calculated f...

Страница 61: ...rating frequency drops or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge thermistor C Gas Pipe Thermistor DGN 1 In cooling the gas pipe thermistors are used for gas pipe isothermal control The system controls electronic expansion valve opening so that gas pipe temperature in each room becomes equal D Indoor Heat Exchanger Thermistor DCN 1 T...

Страница 62: ... conflict with each other The system will follow the mode determined first First push first set For the rooms set with different mode select stand by mode Operation lamp flashes Air conditioner control mode Forced operating mode Forced cooling for Pump Down Operation Normal operating mode Cooling Heating Defrosting Stop mode except for cooling heating modes by indoor command Preheat operation Duri...

Страница 63: ...n thermistor temperature 1 2 Limiting defrost control time 1 3 Forced cooling 1 4 Indoor frequency command 2 Determine upper limit frequency Set a minimum value as an upper limit frequency among the frequency upper limits of the following functions Compressor protection input current discharge pipes Low Hz high pressure peak cutting freeze prevention defrost 3 Determine lower limit frequency Set a...

Страница 64: ...F Indoor Unit Capacity S value The capacity of the indoor unit is a S value and is used for frequency command Frequency Initial Setting Outline When starting the compressor or when conditions are varied due to the change of the operating room the frequency must be initialized according to the total of a maximum D value of each room and a total value of Q ΣQ of the operating room the room in which ...

Страница 65: ...oping Frequency management is carried out only when the frequency droops For limiting lower limit Frequency management is carried out only when the frequency rises 5 Upper and lower limit of frequency by PI control The frequency upper and lower limits are set depending on the total of S values of operating room When low noise commands come from the indoor unit more than one room or when outdoor un...

Страница 66: ...ergize the coil for 150 sec after unit operation is stopped 3 3 3 Four Way Valve Operation Compensation Outline Heat Pump Only At the beginning of the operation as the four way valve is switched acquire the differential pressure required for activating the four way valve by having output the operating frequency which is more than a certain fixed frequency for a certain fixed time Detail Staring Co...

Страница 67: ...peration stops If a drooping current is continues for 1 0 second after rushing on the drooping zone the frequency will be 2 Hz drooping Repeating the above drooping continues until the current rushes on the drooping zone without change In the unchanged zone the frequency limit will remain In the return reset zone the frequency limit will be cancelled Limitation of current drooping and stop value a...

Страница 68: ...e 3 7 Heating Peak cut Control Outline Heat Pump Only During heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure The signal from the indoor unit must be divided as follows Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 min from operation star...

Страница 69: ...Cooling Operation When the outdoor air temperature is 18 37 C the fan tap must be set to M When the outdoor air temperature is lower than 18 C the fan tap must be set to L 2 When Heating Operation When the outdoor air temperature is higher than 4 C the fan tap must be turned to L only for heat pump model 3 9 Liquid Compression Protection Function 2 Outline In order to obtain the dependability of t...

Страница 70: ... Under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 30 minutes of accumulated fine pass since the start of the operation or ending the defrosting Conditions for Canceling Defrost The judgment must be made with heat exchanger temperature 4 C 12 C Frequency Compressor Four way valve Fan Operating room electronic expansion valve openin...

Страница 71: ...y for heat pump model Open Control 1 Electronic expansion valve control when starting operation 2 Control when frequency changed 3 Control for defrosting only for heat pump model 4 Oil recover control 5 Control when a discharge pipe temperature is abnormally high 6 Control when the discharge pipe thermistor is disconnected 7 Control for indoor unit freeze up protection Feedback Control 1 Discharge...

Страница 72: ...e Defrost control FD 1 Pressure equalizing control Open control when starting Continue Pressure equalizing control Gas pipe isothermal control SC control only for heat pump model Control when frequency changed Control for abnormally high discharge pipe temperature Dew buildup prevention control for indoor rotor Oil recovery control Indoor freeze prevention control Liquid pipe temperature control W...

Страница 73: ...d heat exchanger of the rooms and compensate the electronic expansion valve opening so that the SC of each room becomes the target SC When the actual SC is target SC open the electronic expansion valve of the room When the actual SC is target SC close the electronic expansion valve of the room Detail Start Functioning Conditions After finishing the open control 810 seconds after the beginning of t...

Страница 74: ...e electronic expansion valve according to the shift 3 11 9 High Temperature of the Discharge Pipe When the compressor is operating if the discharge pipe temperature exceeds a certain value open the electronic expansion valve and remove the refrigerant to the low pressure side and lower discharge temperature 3 11 10 Oil Recovery Function Outline The electronic expansion valve opening in the cooling...

Страница 75: ...pecified frequency it must be regarded as gas insufficient In addition to such conventional function if the discharge temperature is higher than the target discharge pipe temperature and the electronic expansion valve is fully open 450 pulses more than the specified time it is considered as an insufficient gas With the conventional function a power consumption is weak comparing with that in the no...

Страница 76: ...it which is not in the freezing prohibiting zone is present in more than 1 room 2 The outdoor unit is not abnormal and not in the 3 minute stand by mode The forced operation is allowed when the above and conditions are met Starting adjustment When the indoor unit on off button is pressed for continuous 5 second as the above conditions are met 1 Determine operating room All rooms must operate 2 Com...

Страница 77: ...talled This function limits the power input of the unit to 1700W It is recommended for locations with low capacity circuit breakers Details Set as follows 1 Remove the three screws on the side and remove the top of the outdoor unit 2 Remove the fan motor lead wire from the hook and loosen it 3 Disengage the four tabs marked with a triangle and remove the electrical cabinet 4 Cut the jumper J9 of t...

Страница 78: ...of Parts 74 2 4 Preparation before Operation 86 2 5 AUTO DRY COOL HEAT FAN Operation 89 2 6 Adjusting the Air Flow Direction 91 2 7 POWERFUL Operation 97 2 8 OUTDOOR UNIT SILENT Operation 98 2 9 ECONO Operation 99 2 10 HOME LEAVE Operation 100 2 11 INTELLIGENT EYE Operation 102 2 12 TIMER Operation 106 2 13 Note for Multi System 108 2 14 Care and Cleaning 110 2 15 Troubleshooting 121 ...

Страница 79: ...ever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing ov...

Страница 80: ...tion 102 104 TIMER Operation 106 106 Note for Multi System 108 108 Care Care and Cleaning 110 113 Trouble Shooting Trouble Shooting 121 121 Drawing No 3P142629 1 3P119293 2G Model Series Duct Connected Type Floor Ceiling Suspended Dual Type FDK X S25 35C FLK X S25 35 Read before Operation Safety Precautions 72 72 Names of Parts 80 83 Preparation before Operation 86 86 Operation AUTO DRY COOL HEAT ...

Страница 81: ...nying adding refrigerant check the content of the repairs with our service staff Do not attempt to install the air conditioner by your self Incorrect work will result in water leakage electric shocks or fire For installation consult the dealer or a qualified technician In order to avoid electric shock fire or injury if you detect any abnormally such as smell of fire stop the operation and turn off...

Страница 82: ...e smooth drainage Incomplete draining may cause wetting of the building furniture etc Do not operate the air conditioner with wet hands Do not wash the indoor unit with excessive water only use a slightly wet cloth Do not place things such as vessels containing water or anything else on top of the unit Water may pene trate into the unit and degrade electrical insulations resulting in an electric s...

Страница 83: ...Instruction SiBE12 519 74 System Configuration 2 3 Names of Parts FTK X S20 25 35D Names of parts Indoor Unit ON OFF 16 14 13 15 12 1 3 4 5 7 9 10 11 8 6 2 ...

Страница 84: ...start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 13 Operation lamp green 14 TIMER lamp yellow 15 INTELLIGENT EYE lamp green 16 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed beep ...

Страница 85: ...DE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 SILENT button OUTDOOR UNIT SILENT operation 9 FAN setting button It selects the air flow rate setting 10 SWING button Ajusting the Air Flow Direction 11 COMFORT AIRFLOW button COMFORT AIRFLOW operation 12 SENSOR button INTELLIGENT EYE operation 13 ON TIMER button 14 OFF TIMER button 15 TIMER Setting button It changes the tim...

Страница 86: ...SiBE12 519 Instruction System Configuration 77 FTK X S20 25 35C Names of parts Indoor Unit ON OFF 1 3 4 5 6 7 9 10 11 2 14 15 16 8 12 13 ...

Страница 87: ...tch once to start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 13 Operation lamp green 14 TIMER lamp Yellow 15 HOME LEAVE lamp red 16 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed ...

Страница 88: ...OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 SILENT button for OUTDOOR UNIT SILENT operation 9 FAN setting button It selects the air flow rate setting 10 SWING button 11 SENSOR button for INTELLIGENT EYE operation 12 ON TIMER button 13 OFF TIMER button 14 TIMER Setting button It change...

Страница 89: ...Instruction SiBE12 519 80 System Configuration FDK X S25 35C Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...

Страница 90: ...Operation lamp green 8 TIMER lamp yellow 9 HOME LEAVE lamp red LIghts up when you use HOME LEAVE operation 10 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it This switch is useful when the remote controller is missing The operation mode refers to the following table Outdoor Unit 11 Air inlet Back and side 12 Refrigerant piping and inter unit cable 13 D...

Страница 91: ... It changes the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 SILENT button for OUTDOOR UNIT SILENT operation 9 FAN setting button It selects the air flow rate setting 10 ON TIMER button 11 OFF TIMER button 12 TIMER Setting button It changes the time setting 13 ...

Страница 92: ...scriptions contained in this man ual show the case when installation is being carried out to the ceiling The methods of operation used are the same when installing to a wall Opening the front grille How to open the front grille CAUTION Before opening the front grille be sure to stop the operation and turn the breaker OFF O N OFF 1 2 3 4 5 6 11 12 10 7 9 8 13 14 ...

Страница 93: ... to start operation Push once again to stop it The operation mode refers to the following table Push the switch using an object with a sharp tip such as a pen This switch is useful when the remote controller is missing 14 Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed beep Operatio...

Страница 94: ...t changes the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 OUTDOOR UNIT SILENT button 9 FAN setting button It selects the air flow rate setting 10 SWING button 11 ON TIMER button 12 OFF TIMER button 13 TIMER Setting button It changes the time setting 14 TIMER C...

Страница 95: ...ame type and replace the two old batteries together When the system is not used for a long time take the batteries out We recommend replacing once a year although if the remote controller display begins to fade or if reception deteriorates please replace with new alkali batteries Using manganese batteries reduces the lifespan The attached batteries are provided for the initial use of the system Th...

Страница 96: ...each the unit 2 Fix the holder to a wall a pillar etc with the screws supplied with the holder 3 Place the remote controller in the remote controller holder ATTENTION About remote controller Never expose the remote controller to direct sunlight Dust on the signal transmitter or receiver will reduce the sensitivity Wipe off dust with soft cloth Signal communication may be disabled if an electronic ...

Страница 97: ...r autumn turn the breaker OFF Use the air conditioner in the following conditions Operation outside this humidity or temperature range may cause a safety device to disable the system C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING SILENT SENSOR ON CANCEL OFF 1 3 2 Recommended temperature setting For cooling 26 C 28 C For heating 20 C 24 C Mode Operating conditions If operation is continued ...

Страница 98: ... the button advances the mode setting in sequence AUTO DRY COOL HEAT FAN 2 Press ON OFF button The OPERATION lamp lights up To stop operation 3 Press ON OFF button again Then OPERATION lamp goes off To change the temperature setting 4 Press TEMPERATURE adjustment button DRY or FAN mode AUTO or COOL or HEAT mode The temperature setting is not variable Press to raise the temperature and press to low...

Страница 99: ...t air around all parts of the room After the start of heating operation it takes some time before the room gets warmer In heating operation frost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit Note on DRY operation The computer chip wo...

Страница 100: ... desired position press SWING button once more The display will go blank The flaps will stop moving To adjust the vertical blades louvers Hold the knob and move the louvers You will find a knob on the left side and the right side blades When the unit is installed in the corner of a room the direction of the louvers should be facing away from the wall If they face the wall the wall will block off t...

Страница 101: ...and louvers angles POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the same time Priority is given to POWERFUL operation When SWING button is selected the flaps swinging range depends on the operation mode See the figure ATTENTION Always use a remote controller to adjust the flaps angle If you attempt to move it forcibly with hand when it is swinging the mechanism may be broken ...

Страница 102: ... com fort To adjust the horizontal blades flaps 1 Press SWING button The display will light up and the flaps will begin to swing 2 When the flaps have reached the desired position press SWING button once more The display will go blank The flaps will stop moving C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING SILENT SENSOR ON CANCEL OFF O N 1 2 ...

Страница 103: ...ds on the operation mode See the figure ATTENTION Always use a remote controller to adjust the flaps angle If you attempt to move it forcibly with hand when it is swinging the mechanism may be broken Be careful when adjusting the louvres Inside the air outlet a fan is rotating at a high speed In DRY mode or COOL mode In HEAT or FAN mode When stop operation Upper limit in cooling Lower limit in coo...

Страница 104: ...our com fort To adjust the horizontal blade flap 1 Press SWING button The display will light up and the flaps will begin to swing 2 When the flaps have reached the desired position press SWING button once more The display will go blank The flaps will stop moving C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING SILENT ON CANCEL OFF O N 1 2 ...

Страница 105: ...elected you should set the flap at a near horizontal angle in COOL or DRY mode to obtain the best performance In COOL or DRY mode if the flap is fixed at a downward position the flap automatically moves in about 60 minutes to prevent condensation on it ATTENTION Always use a remote controller to adjust the flap angle If you attempt to move it forcibly with hand when it is swinging the mechanism ma...

Страница 106: ...L operation POWERFUL Operation cannot be used together with ECONO SILENT or COMFORT Operation After press priority is given POWERFUL Operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LCD In COOL and HEAT mode To maximize the cooling heating effect the capacity of outdoor unit must be increased and th...

Страница 107: ...ing a multi system this function will work only when the OUTDOOR UNIT SILENT operation is set on all operated indoor units However if using priority room setting see Note for multi system This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY mode POWERFUL operation and OUTDOOR UNIT SILENT operation cannot be used at the same time Priority is given to POWERFUL ...

Страница 108: ... button causes the settings to be canceled and the disappears from the LCD ECONO operation is a function which enables efficient operation by limiting the power consumption of the outdoor unit operating frequency ECONO operation functions in AUTO COOL DRY and HEAT modes The fan strength does not change in ECONO operation POWERFUL operation and ECONO operation cannot be used at the same time Priori...

Страница 109: ...time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature and air flow rate 1 Press HOME LEAVE button Make sure is displayed in the remote control ler display 2 Adjust the set temperature with or as you like 3 Adjust the air flow rate with FAN setting button as you like Home leave operation will run with these settings the next time you use this f...

Страница 110: ...ill be wel comed by a comfortably air condi tioned room Push the HOME LEAVE Operation button again and the air conditioner will adjust capacity to the set tem perature for normal operation Set the unit to HOME LEAVE Opera tion before leaving the living room when going to bed The unit will maintain the temper ature in the room at a comfortable level while you sleep When you enter the living room in...

Страница 111: ...LIGENT EYE operation 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD EX TEMP ON OFF POWERFUL MODE FAN SWING SILENT SENSOR ECONO COMFORT TIMER ON CANCEL OFF 1 2 When somebody in the room Normal operation When nobody in the room 20 min after start energy saving operation Somebody back in the room Back to normal...

Страница 112: ...ng to indoor unit location the speed of pass ersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operatipon will not go on during powerful operation Night set mode will not go on during you use INTELLIGENT EYE operation Do not place large objects near the sensor Also keep heating units or h...

Страница 113: ...art INTELLIGENT EYE operation 1 Press SENSOR button To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again EX C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING SILENT SENSOR ON CANCEL OFF 1 2 When somebody in the room Normal operation When nobody in the room 20 min after start energy saving operation Somebody back in the room Back to normal operation ...

Страница 114: ...etect moving objects further than 5m away Check the application range Sensor detection sensitivity changes according to indoor unit location the speed of pass ersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIGENT EYE operatipon will not go on during powerful operation Night set mode will not go o...

Страница 115: ... button changes the setting rapidly 3 Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER operation 4 Press CANCEL button The TIMER lamp goes off Notes When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote controller batteries are replaced When operating the unit via the ON O...

Страница 116: ...ting rapidly 3 Press ON TIMER button again The TIMER lamp lights up To cancel ON TIMER operation 4 Press CANCEL button The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below ATTENTION In the following cases set the timer again After a breaker has turned OFF After a power failure After replacing batteries in the remote controller C TEM...

Страница 117: ...NIGHT QUIET Mode requires initial programming during installation Please consult your retailer or dealer for assistance NIGHT QUIET Mode reduces the operation noise of the outdoor unit during the night time hours to prevent annoyance to neighbors The NIGHT QUIET Mode is activated when the temperature drops 5 C or more below the highest temperature recorded that day Therefore when the temperature d...

Страница 118: ...ample Room A is the Priority Room in the examples Just by setting the unit in Room A to SILENT operation the air conditioner starts OUTDOOR UNIT SILENT operation You don t have to set all the operated indoor units to SILENT operation Maximum Power Input Limitation The Maximum Power Input Limitation needs to be set when the unit is installed Contact DAIKIN dealer This function limits the power inpu...

Страница 119: ...tach the front panel Set the 2 keys of the front panel into the slots and push them in all the way Close the front panel slowly and push the panel at the 3 points 1 on each side and 1 in the middle CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or attaching the front panel use a robust and stable stool and watch your ste...

Страница 120: ...tral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Titanium Apatite Photocatalytic Air Purifying Filter The Titanium Apatite Photocatalytic Air Purifying Filter can be renewed by washing it with water once every 6 months We recommend replac ing it once every 3 years Maintenance 1 Remove dust with a vacuum cleaner and ...

Страница 121: ... deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour To order Titanium Apatite Photocatalytic Air Purifying Filter contact to the service shop there you bought the air conditioner Dispose of old filters as burnable waste Check that the base stand and other fittings of the outdoor unit are not decayed or corroded Check that nothing blocks the air inlets a...

Страница 122: ...ont grille Set the 3 keys of the front grille into the slots and push them in all the way Close the front grille slowly and push the grille at the 3 points 1 on each sides and 1 in the middle Check to see if the rotating axis in the upper center section is moving CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When removing or attachin...

Страница 123: ...ith neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air purifying filter with photocatalytic deodorizing function gray The Air purifying filter with photocatalytic deodorizing function can be renewed by washing it with water once every 6 months We recommend replacing it once every 3 years Maintenance 1 Remove du...

Страница 124: ...corroded Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit Check that the drain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water may be leaking from the indoor unit Stop operation and consult the ser vice shop if this is the case Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the...

Страница 125: ...r hot water to avoid filter shrinking or deformation After cleaning dry them in the shade 3 Replacing the air filter Rear suction Hook the filter behind the flap situated at the top of the unit and push the other side gently over the 3 bends Bottom suction Hook the filter behind the flap situated at the middle of the unit and push the other side gently over the 3 bends Only a qualified service per...

Страница 126: ...not operate the air conditioner without filters this to avoid dust accummulation inside the unit Do not remove the air filter except when cleaning Unnecessary handling may damage the filter Do not use gasoline benzene thinner polishing powder liquid insecticide It may cause discoloring or warping Do not let the indoor unit get wet It may cause an electric shock or a fire Operation with dusty air f...

Страница 127: ...icated by Operation without air filters may result in troubles as dust will accumulate inside the indoor unit CAUTION Units Don t touch the metal parts of the indoor unit If you touch those parts this may cause an injury When opening and closing the front grille use a robust and stable stool and watch your steps carefully When opening and closing the front grille support the grille securely with h...

Страница 128: ...kewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach the filter element and attach a new one Insert with the green side up It is recommended to replace the air purifying filter every three months Photocatalytic Deodorizing Filter gray Maintenance 1 Dry the photocatalytic d...

Страница 129: ...y be leaking from the indoor unit Stop operation and consult the ser vice shop if this is the case Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour The air purifying filter and Photocatalytic deodorizing filter cannot be reused even if washed In principle there is no need to replace the photocatalytic deodorizing ...

Страница 130: ...r or steam when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mists come out of the indoor unit This happens when the air in the room is cooled into mist by the cold air flow during cooling operation The indoor unit gives out odour This happens when smells of the room furniture or cigare...

Страница 131: ...block the air inlet or the outlet of the indoor and the outdoor units Clean the air filters or take all obstacles away and turn the breaker OFF Then turn it ON again and try operating the air conditioner with the remote controller If the lamp still flashes call the service shop where you bought the air conditioner Are operation modes all the same for indoor units connected to outdoor units in the ...

Страница 132: ...ide of the air conditioner may get foul after several seasons of use resulting in poor performance It is recommended to have periodical maintenance by a specialist aside from regular cleaning by the user For specialist maintenance contact the service shop where you bought the air conditioner The maintenance cost must be born by the user Call the service shop immediately After a power failure The a...

Страница 133: ...SENSOR C9 FAULTY SUCTION AIR TEMPERATURE SENSOR OUTDOOR UNIT EA COOLING HEATING SWITCHING ERROR E5 OL STARTED E6 FAULTY COMPRESSOR START UP E7 DC FAN MOTOR FAULT E8 OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL F6 HIGH PRESSURE CONTROL IN COOLING H6 OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR H8 CT ABNORMALITY H9 FAULTY SUCTION AIR TEMP...

Страница 134: ...URE PROTECTOR WORKED OR FREEZE UP IN OPERATING UNIT OR STAND BY UNIT OVERLOAD RELAY WORKED OR HIGH DISCHARGE PIPE TEMPERATURE FAULTY COMPRESSOR START INPUT OVERCURRENT THERMISTOR OR CT ABNORMALITY HIGH TEMPERATURE SWITCHBOX HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK OUTPUT OVERCURRENT REFRIGERANT SHORTAGE LOW VOLTAGE TO MAIN CIRCUIT OR MOMENTARY VOLTAGE LOSS REVERSING SOLENOID VALVE SWITCHING F...

Страница 135: ...Instruction SiBE12 519 126 System Configuration ...

Страница 136: ... 145 4 9 DC Fan Lock 146 4 10 Input Over Current Detection 147 4 11 Four Way Valve Abnormality 149 4 12 Discharge Pipe Temperature Control 151 4 13 High Pressure Control in Cooling 152 4 14 Position Sensor Abnormality 154 4 15 CT or Related Abnormality 155 4 16 Thermistor or Related Abnormality Outdoor Unit 157 4 17 Electrical Box Temperature Rise 159 4 18 Radiation Fin Temperature Rise 161 4 19 O...

Страница 137: ... operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Location of Operation Lamp In case of In case of FTK X S 20 25 35 D Series FTK X S 20 25 35 C Series In case of FLK X S 25 35 B Series In case of FDK X S 25 35 C Series R4298 ON OFF OPERATION lamp green R4297 ON OFF Indicator lam...

Страница 138: ...ode to Cool or Heat and check again if the operation lamp is normal If the lamp stops blinking after the above steps there is no malfunction Operation stops and operation lamp blinks only for indoor unit which the different operation mode is set later The first set operation mode has priority Troubleshooting with the LED Indication Outdoor Unit There is a green LED on the PCB The flashing green LE...

Страница 139: ...y for heat pump model and cooling operation cannot be used when the outdoor air temperature is below 10 C Diagnosis with remote controller indication 134 Equipment operates but does not cool or does not heat only for heat pump model Check for wiring and piping errors in the indoor and outdoor units connection wires and pipes Conduct the wiring piping error check described on the product diagnosis ...

Страница 140: ... indicate non corresponding codes 2 To cancel the code display hold the timer cancel button down for 5 seconds The code display also cancels itself if the button is not pressed for 1 minute No Code No Code No Code 1 00 12 C7 23 H0 2 U4 13 H8 24 E1 3 F3 14 J3 25 P4 4 E6 15 A3 26 L3 5 L5 16 A1 27 L4 6 A6 17 C4 28 H6 7 E5 18 C5 29 H7 8 F6 19 H9 30 U2 9 C9 20 J6 31 UH 10 U0 21 UA 32 EA 11 E7 22 A5 33 ...

Страница 141: ...nk 2 Press the TEMP button Press TEMP or TEMP and change the digit until you hear the sound of beep or pi pi 3 Diagnose by the sound pi The number of tens does not accord with the error code pi pi The number of tens accords with the error code beep The both numbers of tens and units accord with the error code See 7 4 Enter the diagnosis mode again Press the MODE button The digit of the number of u...

Страница 142: ...oth numbers of tens and units do not accord with the error code pi pi The number of tens accords with the error code beep The both numbers of tens and units accord with the error code 7 Determine the error code The digits indicated when you hear the beep sound are error code Error codes and description Refer to page 134 8 Exit from the diagnosis mode Press the MODE button R4277 R4278 ...

Страница 143: ...or abnormality 141 C9 Room temperature thermistor abnormality 141 Outdoor Unit A5 Freeze up protection control 142 E5 OL activation compressor overload 144 E6 Compressor lock 145 E7 DC fan lock 146 E8 Input over current detection 147 EA Four way valve abnormality 149 F3 Discharge pipe temperature control 151 F6 High pressure control in cooling 152 H6 Position sensor abnormality 154 H8 CT or relate...

Страница 144: ...ontinuous seconds Supposed Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Connector connection check note YES Is it normal NO Correct connections Replace PCBs R1400 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Model Type Connector No Wall Mounted Type Terminal s...

Страница 145: ...on according to the temperature detected by the indoor unit heat exchanger thermistor Malfunction Decision Conditions High pressure control During heating operations the temperature detected by the indoor heat exchanger thermistor is above 65 C Freeze up protection When the indoor unit heat exchanger temperature is below 0 C during cooling operation Supposed Causes Operation halt due to clogged ai...

Страница 146: ...cumulation on the indoor unit heat exchanger YES YES Is there any short circuit Is it very dirty Is it very dirty Does it conform to the thermistor characteristic chart NO Provide sufficient air passage Clean the air filter Clean the heat exchanger Replace the indoor unit PCB Replace the thermistor replace the indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect co...

Страница 147: ...ion error due to faulty control PCB Troubleshooting Check No 16 Refer to P 178 Rotate the fan by hand Check No 16 Check Hall IC Operate the fan Does it rotate NO Does it rotate smoothly Is there an output Is it at the rated voltage Is there conductivity NO Check the capacitor s conductivity Check the fan motor voltage immediately after re start Is it at the rated voltage Check the fan motor voltag...

Страница 148: ...ation Malfunction Decision Conditions When the detected rotation speed is less than 50 of the H tap under maximum fan motor rotation demand Supposed Causes Operation halt due to short circuit inside the fan motor winding Operation halt due to breaking of wire inside the fan motor Operation halt due to breaking of the fan motor lead wires Operation halt due to faulty capacitor of the fan motor Dete...

Страница 149: ...eck No 01 Check output of fan motor connector Is motor power voltage DC 200V generated Is motor control power voltage DC 15V generated Turn off power supply and disconnect fan motor connector then turn power ON again Does it rotate Stop fan motor Is rotation number command pulse generated Is rotation number command pulse generated Check No 01 Check output of fan motor connector Check No 01 Check o...

Страница 150: ...n 120 ohms or below about 50 C more than 1 860 kohms Note The values vary slightly in some models Supposed Causes Faulty connector connection Faulty thermistor Faulty PCB Troubleshooting Check No 06 Refer to P 173 C4 Heat exchanger temperature thermistor C9 Room temperature thermistor Check the connector connection YES Correct the connection Replace the thermistor Replace the indoor unit PCB Repla...

Страница 151: ...ion Conditions In the cooling mode the following conditions A and B are kept together for 5 minutes A Indoor unit heat exchanger temperature 1 C B Indoor unit heat exchanger temperature Room temperature 10 C If the freeze up protection control is activated 4 times continuously the system will be shut down The 4 time counter will reset itself if any of the following errors does not occur for 60 min...

Страница 152: ...tor or indoor unit heat exchanger thermistor Do the vacuum drying Replace the indoor unit PCB R4760 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Wiring or piping out of spec YES NO NO YES NO YES NO YES YES NO Error again Normal Thermistor as specified in its characteristic chart Thermistor as specified in its characteristic chart C...

Страница 153: ...ubleshooting Check No 04 Refer to P 171 Check No 05 Refer to P 172 Check No 06 Refer to P 173 Check No 11 Refer to P 176 Insert the thermistor in position Replace the discharge pipe thermistor Replace the valve itself or the coil Replace the four way valve coil or the valve itself Replace the outdoor unit PCB Refer to the refrigerant line check procedure Replace the outdoor unit PCB R4697 Caution ...

Страница 154: ... locked Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Turn off the power Disconnect the harnesses U V and W Inverter checker Part No 1225477 Correct the power supply or replace the SPM Replace the outdoor unit PCB Replace the compressor Check the electronic expansion valve Replace it as required Replace the compressor R2842 Caution Be sure to turn off power switch...

Страница 155: ...n for about 5 minutes normal Supposed Causes Fan motor breakdown Harness or connector disconnected between fan motor and PCB or in poor contact Foreign matters stuck in the fan Troubleshooting Check No 15 Refer to P 178 Turn off the power and reconnect the connector Remove Replace the outdoor unit fan motor Replace the outdoor unit PCB R2843 Caution Be sure to turn off power switch before connect ...

Страница 156: ...owing CT input with the compressor running continues for 2 5 seconds CT input Above 11 A The system will be shut down if the error occurs 16 times Clearing condition Continuous run for about 5 minutes normal Supposed Causes Over current due to compressor failure Over current due to defective power transistor Over current due to defective inverter main circuit electrolytic capacitor Over current du...

Страница 157: ...e occurred Input current flowing above its stop level NO YES Normal NO YES Any LED off YES NO Check with the inverter checker Turn off the power and reconnect the harnesses Turn on the power again and get restarted Turn off the power and disconnect the harnesses U V and W Get restarted and measure the input current Check No 08 Check the discharge pressure Check No 07 Check the installation conditi...

Страница 158: ...on within their normal ranges in the operating mode Malfunction Decision Conditions A following condition occurs after 3 minutes of the compressor start Cooling dry operation outdoor unit heat exchanger temp liquid pipe temp 5 C Heating liquid pipe temp outdoor unit heat exchanger temp 0 C Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Four way valve coil...

Страница 159: ...ower switch before connect or disconnect connector or parts damage may be occurred Four way valve coil disconnected loose YES YES NO Functioning NO Check No 11 Check the refrigerant line Malfunctioning z Insufficient gas z Water mixed z Stop valve defective Harness out of connector NO YES Disconnect the harness from the connector Resistance between harnesses about 3kΩ 0 5kΩ Malfunctioning Function...

Страница 160: ...counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Refrigerant shortage Four way valve malfunctioning Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective Outdoor unit PCB defective Water mixed in the local piping Electronic expansion valve defective Stop val...

Страница 161: ...d by the heat exchanger thermistor exceeds the limit Malfunction Decision Conditions Activated when the temperature being sensed by the heat exchanger thermistor rises above 54 C Deactivated when the said temperature drops below 52 C Supposed Causes The installation space is not large enough Faulty outdoor unit fan Faulty electronic expansion valve Faulty outdoor unit heat exchanger thermistor Fau...

Страница 162: ...r the connector or fan motor lead wires Replace the heat exchanger thermistor Replace PCB Replace the electronic expansion valve or coil Replace the PCB Change the air outlet grille position Change the installation location Clean the heat exchanger Check the installation space Check No 09 Outdoor fan check Judgment Check No 06 Heat exchanger thermistor check Judgment Check No 07 Installation condi...

Страница 163: ... disconnected Compressor itself defective Outdoor unit PCB defective Stop valve closed Input voltage out of specification Troubleshooting Check No 13 Refer to P 177 Replace the outdoor unit PCB Replace the outdoor unit PCB Reconnect as specified Inverter checker Part No 1225477 Correct the power supply or replace the outdoor unit PCB Replace the compressor R3041 Caution Be sure to turn off power s...

Страница 164: ...sion Conditions The compressor running frequency is above 68 Hz and the CT input is below 0 1 V The input current is also below 1 25 A If this error repeats 4 times the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Power transistor defective Internal wiring bro...

Страница 165: ...ion Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Running current as shown at right with relay cable 1 or 2 YES Current guideline 2 sec Time Rising with increasing frequency Capacitor charged when the indoor unit or outdoor unit main relay turns on NO NO DC290 380V YES Voltage within the allowable range Supply voltage 15 YES NO Any LED off ...

Страница 166: ...istor input is above 4 96 V or below 0 04 V with the power on Error J3 is judged if the discharge pipe thermistor temperature is smaller than the condenser thermistor temperature In case of J8 or J9 the system will be shut down when the error is detected at all of operating units Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Indoor unit PCB defective Con...

Страница 167: ...ger thermistor z Liquid pipe thermistor z Gas pipe thermistor z Outdoor temperature thermistor Replace the following thermistor z Indoor unit heat exchanger thermistor Replace the outdoor unit PCB Replace the indoor unit PCB R4689 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again on remote controller NO YES YES YES...

Страница 168: ...ng the radiation fin thermistor with the compressor off Malfunction Decision Conditions With the compressor off the radiation fin temperature is above 80 C The error is cleared when the temperature drops below 70 C Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temperature rise due to short circuit Fin thermistor defective Connector in poor contact Outdoor unit PCB defe...

Страница 169: ...aution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error again or outdoor unit fan activated YES z Fin thermistor NO Slightly dirty Check No 09 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too dirty Functioning Thermistor as specified in its characteristic chart Above 80 C NO YES NO YES Check the radiation fin ...

Страница 170: ...radiation fin temperature with the compressor on is above 90 C If a radiation fin temperature rise takes place 4 times successively the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temperature rise due...

Страница 171: ...B or the power transistor Replace the fan motor Correct the connectors and fan motor leads Replace the outdoor unit PCB Clean up the radiation fin R4713 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again YES NO Slightly dirty Check No 09 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too di...

Страница 172: ... is running An output over current input is fed from the output over current detection circuit to the microcomputer The system will be shut down if the error occurs 16 times Clearing condition Continuous run for about 5 minutes normal Supposed Causes Over current due to defective power transistor Over current due to wrong internal wiring Over current due to abnormal supply voltage Over current due...

Страница 173: ...have been disconnected and reconnected for part replacement for example and the system is interrupted by an output over current take the following procedure Error again NO YES NO YES Voltage as rated YES NO Short circuit or breakage between compressor s coil phases NO YES Normal YES NO Any LED off Turn off the power and turn it on again to get the system started See if the same error occurs Turn o...

Страница 174: ... certain time Note The values are different from model to model Gas shortage detection II When the condition of the following 1 3 continued for a certain time 1 During discharge pipe temperature control 2 Discharge pipe temp 255 256 target discharge pipe temp 20 3 Electronic expansion valve opening the biggest value among operating units 450 If a gas shortage error takes place 4 times successively...

Страница 175: ... exchanger thermistor 1 Replace the PCB 2 Replace the compressor Procedure complete R4762 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Any thermistor disconnected YES Malfunctioning Malfunctioning NO Functioning Stop valve closed NO YES Check the CT YES NO Gas shortage error again Functioning Check No 06 Check the thermistors YES N...

Страница 176: ...upposed Causes Supply voltage not as specified Over voltage detector or DC voltage detection circuit defective PAM control part s defective Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Check the supply voltage Correct the power supply Check for such factors for a long term Try to get restarted a couple of times Replace the SPM Replace the outdoor unit PCB R2854 C...

Страница 177: ...ms Operation halt due to unspecified voltage between indoor and outdoor units Supposed Causes Operation halt due to the anti icing function in other rooms Wrong connections at the indoor unit PCB wrongly connected Troubleshooting Check the model number The anti icing function is activated in other rooms Refer to A5 Correct Reconnect R3045 Caution Be sure to turn off power switch before connect or ...

Страница 178: ...transmission error due to breaking of wire in the connection wires between the indoor and outdoor units the transmission wire Troubleshooting Check the outdoor unit s LED A Check the indoor unit outdoor unit connection wires YES YES Correct the indoor unit outdoor unit connection wires Replace the connection wirings Carry out the wiring work within the regulation less than 30m Replace the outdoor ...

Страница 179: ... Check motor power supply voltage output pins 4 7 3 Check motor control voltage pins 4 3 4 Check rotation command voltage output pins 4 2 5 Check rotation pulse input pins 4 1 7 6 5 4 3 2 1 Motor power supply voltage Unused Unused P 0V reference potential Motor control voltage 15 VDC Rotation command voltage 1 6 VDC Rotation pulse input S1 R3199 ...

Страница 180: ...no operation unit Flow noise of refrigerant in the no operation unit Operation halt due to anti icing function Heating The unit does not heat Refrigerant flow rate vary by unit Discharge air temperatures are different by room Peak cut Reset power supply and conduct cooling operation unit by unit 2 Valve body catches at complete close position Symptom Cooling The only unit having problem does not c...

Страница 181: ...unit PCB Replace the four way valve coil Replace the four way valve R3047 NO Four way valve coil Cooling dry No continuity Heating Continuity YES YES Four way valve coil resistance at 3kΩ 0 5kΩ NO S80 voltage at DC 180 220 V with compressor on Fig 1 Disconnect the four way valve coil from the connector and check the continuity Fig 1 Voltage at S80 DC180 220V ON Compressor Time ...

Страница 182: ...ors on the PCB and measure the resistance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20kΩ B 3950 Temperature C 20 211 0 kΩ 15 150 10 116 5 5 88 0 67 2 5 51 9 10 40 15 31 8 20 25 25 20 30 16 35 13 40 10 6 45 8 7 50 7 2 ...

Страница 183: ...nger Change the installation location or direction Check the outside air temperature temperature of air taken in by the outdoor unit The outside air temperature shall be 46 C or lower Check the allowable dimensions of the air suction and discharge area Is the air flow blocked by obstacles or winds blowing in the opposite direction R3048 Abnormal YES YES YES Does the discharged air from other outdo...

Страница 184: ...lve Replace the pipe installed at the site Clean Replace the compressor R3049 Not dirty YES YES Dirty NO NO NO Are the heat exchanger and air filter dirty Is the stop valve open Is the connection pipe deformed YES High Check the outdoor unit fan system Reconnect R2857 Outdoor unit fan running YES Fan motor lead wire connector disconnected YES NO NO Outdoor unit fan system functioning Go to Check N...

Страница 185: ...rant system check Check for gas leaks See the section on insufficient gas detection Conduct the check after operating the equipment for a sufficient length of time Correct the problem Four way valve defective Replace the four way valve Conduct vacuum drying Replace the refrigerant Is the discharge thermister disconnected from the holder R3050 YES YES Is any moisture found in sight glass NO NO Is t...

Страница 186: ...connector 5 1 11 Main Circuit Electrolytic Capacitor Check Check No 14 Checking the main circuit electrolytic capacitor z Never touch any live parts for at least 10 minutes after turning off the circuit breaker z If unavoidably necessary to touch a live part make sure there is no DC voltage using the tester z Check the continuity with the tester Reverse the pins and make sure there is continuity T...

Страница 187: ...s the PCB is defective Replace the PCB If the pulse in Step 4 is not available it means the Hall IC is defective Replace the DC fan motor If there are both the voltage 2 and the pulse 4 replace the PCB Propeller fan motor S70 5 1 13 Hall IC Check Check No 16 1 Check the connector connection 2 With the power ON operation OFF and the connector connected check the following Output voltage of about 5 ...

Страница 188: ...al of the Panels Fan Motor 180 1 2 Removal of the PCB 185 1 3 Removal of the Electrical Box 190 1 4 Removal of the Sound Blanket 193 1 5 Removal of the Thermistor 196 1 6 Removal of the Four Way Valve 197 1 7 Removal of the Electronic Expansion Valve 199 1 8 Removal of the Compressor 200 ...

Страница 189: ... Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Features Take care not to cut your finger by the fins of the heat exchanger 1 Loosen the two screws Pull the stop valve cover down and remove it ...

Страница 190: ...Removal Procedure 181 Make sure that the seven claws are fit securely when reassembling 2 Remove the top panel 1 Loosen the four screws and lift the top panel 2 Loosen the seven screws of the front panel Step Procedure Points ...

Страница 191: ...ll the front panel out towards you The front panel has four claws It is possible to remove the bell mouth 3 Remove the propeller fan 1 Release the fan motor lead wire from the ditch of the electrical box 2 Disconnect the connector for fan motor S70 Step Procedure Points ...

Страница 192: ...r Unit Removal Procedure 183 3 Pull the fan motor lead wire away 4 Release the four claws and remove the electrical box cover 5 Unscrew the washer fitted nut M10 of the propeller fan with a spanner Step Procedure Points ...

Страница 193: ...propeller fan with D cut section of the motor shaft when reassembling 7 Remove the two screws from the fan motor 8 Unlock the fixing claws and release the lead wire Put the lead wire through the back of the motor when reassembling so as not to be entangled with the propeller fan R2885 R2888 Lead wire Propeller fan ...

Страница 194: ...he PCB is upside down for the sake of quality improvement Lead free soldering PbF is adopted 1 Remove the PCB 1 The illustration shows appearance of the PCB 2 The illustration shows arrangement of the relaying connectors 3 Disconnect the connectors S20 electronic expansion valve EVA S21 electronic expansion valve EVB S70 fan motor S80 four way valve S90 thermistor discharge pipe outdoor air heat e...

Страница 195: ...oval Procedure 4 Disconnect the relaying connector for the compressor 5 Disconnect the two connectors of the reactor 6 Disconnect the earth terminal 7 Disconnect the connection wiring and the power supply wiring Step Procedure Points ...

Страница 196: ...Loosen the screw of the terminal strip board A thermal fuse is united with the terminal strip board 10 Loosen the four screws of the PCB The PCB is upside down for the sake of quality improvement Service monitor LED A You can see the LED through the slit Step Procedure Points ...

Страница 197: ...se from the two claws Mind that not to break the PCB with excessive stress because it sticks fast to the radiator fin Be sure to use silicon when reassembling Silicon parts no 1172698 12 Disconnect the connector for fin thermistor S93 13 Disconnect the two SH condenser lead wires Step Procedure Points ...

Страница 198: ...ure 189 Step Procedure Points 14 The illustration shows the layout of the PCB parts side 15 Loosen the two screws of the radiator fin 16 Disconnect the reactor lead wires and remove the SH condenser 17 Remove the screw of the electrical box ...

Страница 199: ...r supplies before disassembling work Step Procedure Points Remove the top panel and the front panel 1 Remove the electrical box 1 Disconnect the connection wirings for each room 2 Release the outdoor air thermistor from the holder 3 Loosen the four screws and remove the electrical box cover As for the fan motor lead wire refer to the removal procedure of PCB ...

Страница 200: ... As for the connectors refer to the removal procedure of PCB 5 Disconnect the discharge pipe thermistor True up the tips of the thermistor and the clip Mind that not to lose the clip for the discharge pipe thermistor 6 Loosen the screw of the electrical box Step Procedure Points ...

Страница 201: ...Outdoor Unit SiBE12 519 192 Removal Procedure 7 Lift the electrical box up 8 Release the wire clamp from the back side of the electrical box 9 Remove the electrical box Step Procedure Points ...

Страница 202: ...nd Blanket Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Loosen the five screws of the right side panel 2 Release the clamp of the compressor lead wire from the partition plate ...

Страница 203: ...rtition plate to the bottom frame when reassembling 4 Loosen two screws of the partition plate 5 Untie the fixing string and remove the sound blanket side outer Loosen the screw to remove the reactor from the partition plate 6 Remove the sound blanket top Since the piping ports on the sound blanket are torn easily remove the blanket carefully Step Procedure Points ...

Страница 204: ...SiBE12 519 Outdoor Unit Removal Procedure 195 Step Procedure Points 7 Remove the sound blanket side inner A 8 Remove the sound blanket side inner B 9 Remove the sound blanket bottom ...

Страница 205: ...sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Disconnect the discharge pipe thermistor 2 Disconnect the gas and liquid pipe thermistor Mind that not to lose the clips for thermistors 3 Disconnect the heat exchanger thermistor ...

Страница 206: ... coil Electronic expansion valve coil Putty 1 Loosen the screw and remove the four way valve coil 2 Remove the sheet of putty 3 Before working make sure that the refrigerant is empty in the circuit Heat up four brazed parts of the four way valve and disconnect in a b c d order See the next page also Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries ...

Страница 207: ...gas can be used 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth will not be dried and avoid excessive heating Keep below 120 C In case of the difficulty with gas brazing machine 1 Disconnect the brazed part where is...

Страница 208: ...ilate when refrigerant leaks during the work If refrigerant contacts fire it will cause to arise toxic gas Caution Be careful about the pipes which were heated up by a gas brazing machine so as not to get burnt your hands Be careful so as not to burn the heat exchanger fin Remove the putty if the brazing flame burn it 2 Remove the sheets of putty 3 Heat up the four brazed parts and disconnect in a...

Страница 209: ...edure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover Be careful so as not to burn the compressor terminals or the name plate Make a note 2 Unscrew the nut of the compressor ...

Страница 210: ...essor will catch fire prepare wet cloth so as to extinguish fire immediately Warning Ventilate when refrigerant leaks during the work If refrigerant contacts fire it will cause to arise toxic gas Caution Be careful about the pipes which were heated up by a gas brazing machine so as not to get burnt your hands 3 Heat up the brazed part of the discharge side and disconnect 4 Heat up the brazed part ...

Страница 211: ...Outdoor Unit SiBE12 519 202 Removal Procedure ...

Страница 212: ...SiBE12 519 Others 203 Part 8 Others 1 Others 204 1 1 Test Run from the Remote Controller 204 1 2 Jumper Settings 205 ...

Страница 213: ...n and Testing 1 Measure the supply voltage and make sure that it falls in the specified range 2 Trial operation should be carried out in either cooling or heating mode 3 Carry out the test operation in accordance with the Operation Manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requires a small amount of power in its standby mode If t...

Страница 214: ...ntrol PCB Wireless remote controller 1 Slide the front cover and take it off 2 Cut the address jumper J4 1 2 2 Jumper Setting R4417 ADDRESS JA ADDRESS JA EXIST 1 CUT 2 ADDRESS J4 EXIST CUT 1 2 J4 R4418 Jumper On indoor PCB Function When connected factory set When cut JC Power failure recovery function Auto start Unit does not resume operation after recovering from a power failure Timer ON OFF sett...

Страница 215: ...Gently push and slide the sensor to adjust the angle Aim so that the sensor is pointing to the center of the room or to the part of the room that is most frequently used After adjusting the angle gently wipe the sensor with a clean cloth being careful not to scratch the sensor Caution Do not hit or violently push the Intelligent eye sensor This can lead to damage and malfunction Do not place large...

Страница 216: ...SiBE12 519 Appendix 207 Part 9 Appendix 1 Piping Diagrams 208 1 1 Indoor Units 208 1 2 Outdoor Units 210 2 Wiring Diagrams 211 2 1 Indoor Units 211 2 2 Outdoor Units 213 ...

Страница 217: ...FFLER ASSY CROSS FLOW FAN FAN MOTOR ON HEAT EXCH THERMISTOR INDOOR UNIT M 6 4CuT 7 0CuT 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW HEATING COOLING 6 4CuT 6 4CuT M 4D033698D FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT 7 9CuT REFRIGERANT FLOW FAN MOTOR ON HEAT EXCH THERMISTOR INDOOR UNIT COOLING 7 0CuT 6 4CuT 9 5CuT HEAT EXCHANGER 6 4CuT 6 4CuT CROSS FLOW FAN FIELD PIPING 6 4CuT FIELD PIPING 9 5CuT 7 9CuT C...

Страница 218: ...MB FDXS35CVMB FDKS25CVMB FDKS35CVMB CDXS35CVMB CDKS25CVMB CDXS25CVMB CDKS60CVMB CDXS50CVMA CDXS60CVMA CDXS60CVMB CDKS50CVMB CDXS50CVMB 12 7 9 5 4D045449B FLKS25BVMB FLKS35BVMB FLXS25BVMB FLXS35BVMB FIELD PIPING FIELD PIPING 9 5CuT 6 4CuT REFRIGERANT FLOW COOLING INDOOR UNIT 6 4CuT SIROCCO FAN 9 5CuT FAN MOTOR M HEAT EXCHANGER THERMISTOR ON HEAT EXCH 4D034012D FIELD PIPING 6 4CuT FIELD PIPING 9 5Cu...

Страница 219: ... 4 CuT ROOM A 6 4 CuT 9 5 CuT 9 5 CuT GAS FEILD PIPING FEILD PIPING LIQUID M EVA EVB 3D039392B REFRIGERANT FLOW HEATING COOLING DISCHARGE PIPE THERMISTOR DO COMPRESSOR 7 9CuT ACCUMULATOR 9 5CuT 7 9CuT MUFFLER REVERSING SOLENOID VALVE MUFFLER 9 5CuT 9 5CuT 9 5CuT BRANCH PIPE 9 5CuT 9 5CuT MUFFLER MUFFLER GAS PIPE THERMISTOR DGA GAS PIPE THERMISTOR DGB PROPELLER FAN FAN MOTOR 7 9CuT 9 5CuT HEAT EXCH...

Страница 220: ...TECTIVEEARTH THE MAIN POWER SUPPLY IS ON AGAIN TURNED OFF AND THEN BACK NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF FIELD WIRING CAUTION 3 2 1 OUTDOOR COIL TERMINAL STRIP OPERATION SWITCH CONNECTOR PRINTED CIRCUIT BOARD FAN MOTOR PILOT LAMP FUSE FRAME GROUND LED1 PCB2 PCB3 H1P EYE SENSOR INTELLIGENT RECEIVER SIGNAL CONTROLLER LED2 H2P S1W WIRELESS REMOTE LED3 H3P R1T S27 t S36 S35 S26 S32 R2...

Страница 221: ...CK OPERATION SWITCH PRINTED CIRCUIT BOARD N 2 CONNECTOR GRN GRN WHT BLK RED YLW YLW X1M 2 3 1 NOTE THAT OPERATION WILL THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK RESTART AUTOMATICALLY IF ON AGAIN CAUTION FIELD WIRING 3D045012C 2 3 1 outdoor RECEIVER SIGNAL LED H1P CONTROLLER WIRELESS PCB3 LED H2P REMOTE PCB4 S1W LED H3P R1T S31 t S27 S25 S24 S26 S32 R2T t PCB1 S21 HA M S6 M1S S37 S7 X21A S3...

Страница 222: ... C8 SHC1 CAPACITOR FIELD WIRING N ROOM A ROOM B L 50Hz 220 240V 60Hz 220 230V POWER SUPPLY POWER SUPPLY 50Hz 220 240V 60Hz 220 230V L ROOM B ROOM A N FIELD WIRING C5 C8 SHC1 CAPACITOR L LIVE N NEUTRAL MRM20 MAGNETIC RELAY CT1 CURRENT TRANSFORMER L1 COIL L1R REACTOR FU1 FU3 FUSE M1C COMPRESSOR MOTOR M1F FAN MOTOR DB1 DB3 DIODE BRIDGE MRCW MRM10 indoor 2 3 3 2 1 1 TFU 102 C X2M X1M L 3 3 N 2 2 1 1 G...

Страница 223: ...Wiring Diagrams SiBE12 519 214 Appendix ...

Страница 224: ...heck No 16 178 compressor 200 compressor lock 145 compressor overload 144 compressor protection function 57 connectors 22 24 27 29 31 control PCB indoor unit 23 26 27 29 control PCB outdoor unit 32 CT or related abnormality 155 D DB1 31 DC fan lock 146 defrost control 61 diagnosis mode 132 discharge pipe 65 discharge pipe control 58 discharge pipe temperature 65 discharge pipe temperature control ...

Страница 225: ...ration 45 100 hot start function 47 HR3 31 HR4 31 I indoor heat exchanger thermistor 51 52 indoor unit PCB abnormality 135 input current control 58 input over current detection 147 installation condition check 174 instruction 71 insufficient gas 165 insufficient gas control 66 INTELLIGENT EYE 43 INTELLIGENT EYE operation 102 INTELLIGENT EYE sensor 206 INTELLIGENT EYE sensor PCB 23 inverter POWERFU...

Страница 226: ... S30 31 S31 29 S32 22 24 27 29 S35 22 24 S36 22 29 S37 29 S40 31 S45 31 S6 22 24 29 S7 24 27 29 S70 31 182 185 S80 31 185 S90 31 185 S91 31 185 S92 31 S93 188 safety precautions 72 SC control 64 self diagnosis digital display 48 sensor malfunction detection 66 service check function 131 SH condenser 189 signal receiver PCB 23 30 signal receiving sign 47 signal transmission circuit abnormality 169 ...

Страница 227: ...x U2 167 U4 169 UA 168 UH 142 168 unspecified voltage between indoor and outdoor units 168 V V1 22 24 27 29 31 V2 31 V3 31 varistor 22 24 27 29 31 voltage detection function 68 W wide angle louvers 36 wiring diagrams 211 ...

Страница 228: ...178 heating peak cut control 59 high pressure control in cooling 152 HOME LEAVE operation 45 I indoor unit PCB abnormality 135 input current control 58 input over current detection 147 installation condition check 174 insufficient gas 165 insufficient gas control 66 INTELLIGENT EYE 43 INTELLIGENT EYE sensor 206 INTELLIGENT EYE sensor PCB 23 inverter features 35 inverter POWERFUL operation 46 inver...

Страница 229: ...r related abnormality outdoor unit 157 thermistor resistance check 173 thermostat control 40 trial operation from remote controller 204 troubleshooting with the LED indication 129 turning speed pulse input on the outdoor unit PCB check 178 U unspecified voltage between indoor and outdoor units 168 W wiring diagrams 211 2MKS40DVMB 213 2MXS40DVMB 213 FDK X S25CVMB 212 FDK X S35CVMB 212 FLK X S25BVMB...

Страница 230: ... product corrosion Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts ...

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