![Daikin FLKS25BVMB [21/180] Printed circuit board connector wiring diagram](/img/pdf.png)
Daikin FLKS25BVMB [21/180] Printed circuit board connector wiring diagram
![Daikin FLKS25BVMB [21/180] Printed circuit board connector wiring diagram](/views2/1724286/page21/bg15.png)
Printed Circuit Board Connector Wiring Diagram SiBE05-311
12 Printed Circuit Board Connector Wiring Diagram
1. Printed Circuit Board Connector Wiring Diagram
1.1 Indoor Unit
Connectors
Note: Other designations
1) S6 Connector for swing motor
2) S7 Connector for fan motor
3) S21 Connector for centralized control (HA)
4) S24 Connector for display PCB
5) S25, S27, S36 Connector for control PCB
6) S26 Connector for signal receiver PCB
7) S31 (RTH) 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 155 for detail.
3) SW1 Operation switch
4) SW2 Select switch for ceiling / floor
5) LED1 LED for operation (green)
6) LED2 LED for timer (yellow)
7) LED3 LED for Home Leave operation (red)
8) FU1 Fuse (3.15A)
Содержание
- Floor ceiling suspended dual type b series 1
- Inverter pair 1
- Manual 1
- Service 1
- B series 2
- Cooling only indoor unit 2
- Heat pump indoor unit 2
- Inverter pair 2
- Inverter pair b series 2
- Outdoor unit 2
- Connector wiring diagram 1 3
- Control specification 1 3
- Function of main structural parts 8 3
- Introduction v 3
- List of functions 3
- Main functions 8 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board 3
- Part 4 function and control 7 3
- Printed circuit board connector wiring diagram 2 3
- Specifications 3
- Caution for diagnosis 2 2 problem symptoms and measures 3 3 service check function 4 4 troubleshooting 5 4
- Check 04 4
- Indoor unit 14 4
- Part 5 system configuration 5 4
- Part 6 service diagnosis 1 4
- Part 7 removal procedure 13 4
- System configuration 6 2 instruction 7 4
- Drawings flow charts v 5
- Index i 5
- Others 54 5
- Outdoor unit 30 5
- Part 8 others 53 5
- Part 9 appendix 57 5
- Piping diagrams 58 5
- Wiring diagrams 61 5
- Caution in repair 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Cautions regarding products after repair 7
- Warning 7
- Caution 8
- Inspection after repair 8
- Warning 8
- Caution 9
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 9
- Using icons 9
- Using icons list 9
- Warning 9
- List of functions 10
- Part 1 list of functions 10
- Cooling only 11
- List of functions 11
- List of functions sibe05 311 11
- Note holding functions no functions digital only 11
- Heat pump 12
- List of functions 3 12
- Note holding functions no functions digital only 12
- Sibe05 311 list of functions 12
- Part 2 specifications 14
- Specifications 14
- Cooling only 15
- Specifications 15
- Specifications sibe05 311 15
- V 50hz 15
- Sibe05 311 specifications 16
- Specifications 7 16
- V 50hz 16
- Heat pump 17
- Specifications 17
- Specifications sibe05 311 17
- V 50hz 17
- Sibe05 311 specifications 18
- Specifications 9 18
- V 50hz 18
- Part 3 printed circuit board connector wiring diagram 20
- Printed circuit board connector wiring diagram 2 20
- Connectors 21
- Indoor unit 21
- Printed circuit board connector wiring diagram 21
- Pcb 1 control pcb indoor unit 22
- Pcb 2 power supply pcb indoor unit 22
- Pcb 3 display pcb pcb 4 signal receiver pcb 22
- Pcb detail 22
- Printed circuit board connector wiring diagram 13 22
- Sibe05 311 printed circuit board connector wiring diagram 22
- Name of connector 23
- Outdoor unit 23
- Outline of pcb 23
- Detail of pcb 1 24
- Detail of pcb 2 24
- Control specification 1 26
- Function of main structural parts 8 26
- Main functions 8 26
- Part 4 function and control 26
- Additional control parameters 27
- Drawing of inverter 27
- Frequency principle 27
- Inverter principle 27
- Main control parameters 27
- Main functions 27
- Note see the list of functions for the functions applicable to different models 27
- The compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit the load condition of the operating indoor unit the difference between the room temperature and the set temperature 27
- The following drawing shows a schematic view of the inverter principle 27
- The target frequency is adapted by additional parameters in the following cases frequency restrictions initial settings forced cooling operation 27
- To regulate the capacity a frequency control is needed the inverter makes it possible to vary the rotation speed of the compressor the following table explains the conversion principle 27
- Forced cooling operation 28
- Frequency limits 28
- Inverter features 28
- Auto swing 29
- The following table explains the auto swing process for heating cooling dry and fan 29
- 35kw class 500 860 rpm during powerful operation 850 910 rpm 30
- Automatic air flow control for cooling 30
- Automatic air flow control for heating 30
- Control mode 30
- Fan speed control for indoor units 30
- For more information about hall ic refer to the troubleshooting for fan motor on page 79 30
- Function and control 21 30
- Ll cooling thermostat off sl silent l ml m mh h hh powerful 30
- Note 1 during powerful operation fan operates h tap 50 90 rpm 2 fan stops during defrost operation 30
- Phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh 30
- Phase steps 30
- Sibe05 311 main functions 30
- Step cooling heating dry mode lll heating thermostat off 30
- The airflow rate can be automatically controlled depending on the difference between the set temperature and the room temperature this is done through phase control and hall ic control 30
- The following drawing explains the principle for fan speed control for heating 30
- The following drawing explains the principle of fan speed control for cooling 30
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 30
- In case of inverter units 31
- Programme dry function 31
- Programme dry function removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and air flow volume the temperature adjustment and fan adjustment buttons are inoperable in this mode 31
- The microcomputer automatically sets the temperature and fan settings the difference between the room temperature at startup and the temperature 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 31
- Automatic operation 32
- Detailed explanation of the function 32
- Cooling operation 33
- Heating operation 33
- Night set mode 33
- The night set circuit 33
- The night set circuit continues heating or cooling the room at the set temperature for the first one hour then automatically lowers the temperature setting slightly in the case of cooling or raises 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 33
- When the off timer is set the night set circuit automatically activates the night set circuit maintains the airflow setting made by users 33
- Detail of the control 34
- Home leave operation 34
- Others 34
- Outline 34
- Details of the control 35
- Ex powerful operation in cooling mode 35
- In order to exploit the cooling and heating capacity to full extent operate the air conditioner by increasing the indoor fan rotating speed and the compressor frequency 35
- Inverter powerful operation 35
- Outline 35
- Tpf 20min 35
- When powerful button is pushed in each operation mode the fan speed setting temperature will be converted to the following states in a period of twenty minutes 35
- Air purifying filter 36
- Auto restart function 36
- Hot start function 36
- Mold proof air filter 36
- On off button on indoor unit 36
- Other functions 36
- Photocatalytic deodorizing filter 36
- Self diagnosis digital display 36
- Signal receiving sign 36
- Cooling only model 37
- Function and control 37
- Function of main structural parts 37
- Function of main structural parts sibe05 311 37
- Heat pump model 37
- Main structural parts 37
- A outdoor heat exchanger thermistor dcb 38
- B discharge pipe thermistor dot 38
- C indoor heat exchanger thermistor dcn 38
- Function of thermistor 38
- Heat pump model 38
- A outdoor heat exchanger thermistor dcb 39
- B discharge pipe thermistor dot 39
- C indoor heat exchanger thermistor dcn 39
- Cooling only model 39
- Control specification 40
- Detail 40
- For cooling only model there are following models stop and cooling including drying 40
- For heat pump model there are following modes stop cooling includes drying heating include defrosting 40
- Mode hierarchy 40
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 40
- Outline 40
- There are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 40
- Detail 41
- Frequency control 41
- Outline 41
- 3 minutes stand by 43
- Compressor protection function 43
- Controls at mode changing start up 43
- Detail 43
- Four way valve operation compensation 43
- Four way valve switching 43
- Outline 43
- Outline of heating operation 43
- Preheating operation 43
- Detail 44
- Discharge pipe control 44
- Input current control 44
- Outline 44
- Detail 45
- Freeze up protection control 45
- Heating peak cut control 45
- Outline 45
- Detail 46
- Fan control 46
- Moisture protection function 1 securing of differential pressure and blown air temperature 46
- Outline 46
- Processing 46
- Actual constant 47
- Detail 47
- Doa outdoor air temperature cgc compressor guard for cooling cgw compressor guard for heating fcg frequency guard for compressor protection common setting for 25 35 class 47
- In order to obtain the dependability of the compressor the compressor must be stopped according to the conditions of the temperature of the outdoor air and outdoor heat exchanger 47
- Moisture protection function 2 47
- Operation stop depending on the outdoor air temperature compressor operation turns off under the conditions that the system is in cooling operation and outdoor air temperature is below 10 c flk x s series 0 c flk x series 47
- Outline 47
- The set of a constant doa1cg doa2cg doa3cg fcg7 and fcg8 have constants for cooling heating separately and these constants are distinguished with a suffix c w 47
- Conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time 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 22 c 48
- Defrost control 48
- Detail 48
- Function and control 39 48
- Heat pump only defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 48
- Outline 48
- Sibe05 311 control specification 48
- Control specification sibe05 311 49
- Detail 49
- Electronic expansion valve control 49
- Function and control 49
- Outline 49
- The following items are included in the electronic expansion valve control electronic expansion valve is fully closed 1 electronic expansion valve is fully closed when turning on the power 2 pressure equalizing control 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 control when a discharge pipe temperature is abnormally high 5 control when the discharge pipe thermistor is disconnected feedback control 1 discharge pipe temperature control 49
- The followings are the examples of control which function in each mode by the electronic expansion valve control 49
- Detail 50
- Disconnection of the discharge pipe thermistor 50
- Fully closing with power on 50
- High temperature of the discharge pipe 50
- Opening limit 50
- Outline 50
- Pressure equalization control 50
- Starting operation control 50
- Control when frequency is changed 51
- Target discharge pipe temperature control 51
- Detail 52
- Detection of over load and over current 52
- Insufficient gas control 52
- Malfunctions 52
- Outline 52
- Sensor malfunction detection 52
- Additional function 53
- Compressor operating frequency is increased to p1 max max hz of operating room and outdoor unit airflow rate is increased 53
- Detail 53
- Forced cooling 53
- Forced operating mode includes only forced cooling 53
- Forced operation mode 53
- Outline 53
- Power supply voltage is detected each time equipment operation starts 53
- Powerful operation mode 53
- Voltage detection function 53
- Part 5 system configuration 54
- System configuration 6 2 instruction 7 54
- System configuration 55
- Caution 56
- Instruction 56
- Safety precautions 56
- Warning 56
- Consider nuisance to your neighbours from noises 57
- Electrical work 57
- Installation site 57
- System relocation 57
- Caution 58
- Indoor unit 58
- Names of parts 58
- Outdoor unit 59
- Arc433a5 a6 60
- Remote controller 60
- Attention 61
- Preparation before operation 61
- To set the batteries 61
- Attention 62
- To fix the remote controller holder on the wall 62
- To operate the remote controller 62
- Instruction sibe05 311 63
- Operation outside this humidity or temperature range may cause a safety device to disable the system 63
- Please note the air conditioner always consumes 15 35 watts of electricity even while it is not operating if you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off use the air conditioner in the following conditions 63
- Press clock button is displayed blinks 2 press timer setting button to set the clock to the present time holding down or button rapidly increases or decreases the time display 3 press clock button blinks 63
- System configuration 63
- Tips for saving energy be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 63
- To set the clock 63
- Turn the breaker on 63
- Turning on the breaker opens the flap then closes it again this is a normal procedure 63
- Auto dry cool heat fan operation 64
- To change the temperature setting 64
- To start operation 64
- To stop operation 64
- To change the air flow direction 65
- To change the air flow rate setting 65
- Adjusting the air flow direction 66
- On off 66
- To adjust the horizontal blade flap 66
- Notes on flap and louvres angles 67
- To adjust the vertical blades louvres 67
- Powerful operation 68
- To cancel powerful operation 68
- To start powerful operation 68
- On off 69
- Outdoor unit silent operation 69
- To cancel outdoor unit silent operation 69
- To start outdoor unit silent operation 69
- Before using home leave operation 70
- Home leave operation 70
- To cancel home leave operation 70
- To start home leave operation 70
- Useful in these cases 71
- What s the home leave operation 71
- Timer operation 72
- To cancel the off timer operation 72
- To use off timer operation 72
- Attention 73
- To cancel on timer operation 73
- To combine on timer and off timer 73
- To use on timer operation 73
- Care and cleaning 74
- Caution 74
- Front grille 74
- Indoor unit outdoor unit and remote controller 74
- Air filter 75
- Air purifying filter green 75
- Filters 75
- Photocatalytic deodorizing filter gray 75
- Before a long idle period 76
- Case explanation 77
- These cases are not troubles 77
- Troubleshooting 77
- Case check 78
- Check again 78
- Call the service shop immediately 79
- Disposal requirements 79
- Warniing 79
- We recommend periodical maintenance 79
- Caution for diagnosis 2 2 problem symptoms and measures 3 3 service check function 4 4 troubleshooting 5 80
- Check 04 80
- Part 6 service diagnosis 80
- Caution for diagnosis 81
- Location of operation lamp 81
- Troubleshooting with the led indication 81
- Note flk x series 82
- Problem symptoms and measures 82
- Arc433a5 a6 83
- Service check function 83
- Timer cancel button 83
- Displayed only when system down occurs 84
- Error codes and description 84
- Troubleshooting 84
- Indoor unit pcb abnormality 85
- Freeze up protection control or high pressure control 86
- Malfunction decision conditions 86
- Method of malfunction detection 86
- Remote controller display 86
- Supposed causes 86
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 87
- Check no refer to p 06 87
- Note if the outdoor air temperature is below 10 c in the cooling mode the system may get interrupted with error a5 displayed the system will be reset itself but this stop will be put in the error history memory 87
- Service diagnosis 87
- Troubleshooting 87
- Troubleshooting sibe05 311 87
- Check no 6 refer to p 11 88
- Fan motor ac motor or related abnormality 88
- Malfunction decision conditions 88
- Method of malfunction detection 88
- 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 detection error due to faulty indoor unit pcb 88
- Remote controller display 88
- Service diagnosis 79 88
- Sibe05 311 troubleshooting 88
- Supposed causes 88
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 88
- Troubleshooting 88
- When the detected rotation speed is less than 50 of the hh tap under maximum fan motor rotation demand 88
- Malfunction decision conditions 89
- Method of malfunction detection 89
- Remote controller display 89
- Supposed causes 89
- Thermistor or related abnormality indoor unit 89
- Troubleshooting 89
- Check no 0 refer to p 09 90
- Faulty outdoor unit pcb faulty indoor unit pcb indoor unit outdoor unit signal transmission error due to wiring error indoor unit outdoor unit signal transmission error due to disturbed power supply waveform indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 90
- Malfunction decision conditions 90
- Method of malfunction detection 90
- Remote controller display 90
- Service diagnosis 81 90
- Sibe05 311 troubleshooting 90
- Signal transmission error between indoor and outdoor units 90
- Supposed causes 90
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 90
- Troubleshooting 90
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 90
- A compressor overload is detected through compressor ol 91
- Check no 1 refer to p 09 91
- Check no refer to p 04 91
- Check no refer to p 05 91
- Check no refer to p 06 91
- If the compressor ol is activated twice 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 the operating temperature condition is not specified 91
- Malfunction decision conditions 91
- Method of malfunction detection 91
- Ol activation compressor overload 91
- Refrigerant shortage four way valve malfunctioning outdoor unit pcb defective water mixed in the local piping electronic expansion valve defective stop valve defective 91
- Remote controller display 91
- Service diagnosis 91
- Supposed causes 91
- Troubleshooting 91
- Troubleshooting sibe05 311 91
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 92
- Compressor lock 92
- Compressor locked 92
- Malfunction decision conditions 92
- Method of malfunction detection 92
- Note if the model doesn t have spm replace the outdoor unit pcb 92
- Remote controller display 92
- Service diagnosis 83 92
- Sibe05 311 troubleshooting 92
- Supposed causes 92
- The system judges the compressor lock and stops due to over current the system judges the compressor lock and cannot operation with position detection within 15 seconds after start up the system will be shut down if the error occurs 16 times clearing condition continuous run for about 5 minutes normal 92
- Troubleshooting 92
- An input over current is detected by checking the input current value being detected by ct with the compressor running 93
- Check no refer to p 07 93
- Check no refer to p 08 93
- Input over current detection 93
- Malfunction decision conditions 93
- Method of malfunction detection 93
- Note if the model doesn t have spm replace the outdoor unit pcb 93
- Over current due to compressor failure over current due to defective power transistor over current due to defective outdoor unit pcb error detection due to outdoor unit pcb over current due to short circuit 93
- Remote controller display 93
- Service diagnosis 93
- Supposed causes 93
- The following ct input with the compressor running continues for 2 seconds cooling above 11a heating above 13a 93
- Troubleshooting 93
- Troubleshooting sibe05 311 93
- Four way valve abnormality 94
- Malfunction decision conditions 94
- Method of malfunction detection 94
- Remote controller display 94
- Supposed causes 94
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 95
- Check no 1 refer to p 09 95
- Check no refer to p 05 95
- Check no refer to p 06 95
- Service diagnosis 95
- Troubleshooting 95
- Troubleshooting sibe05 311 95
- 1 above 45hz rising above 40hz dropping 120 80 117 80 2 130 45hz rising 25 40hz dropping 110 70 117 80 3 below 30hz rising below 25hz dropping 105 65 117 80 96
- Check no 1 refer to p 09 96
- Check no refer to p 04 96
- Check no refer to p 06 96
- Discharge pipe temperature control 96
- Flk x s series flk x series 96
- If a stop takes place 6 times successively due to abnormal discharge pipe temperature the system will be shut down if the temperature being detected by the discharge pipe thermistor rises above c the compressor will stop the error is cleared when the temperature has dropped below c stop temperatures 96
- Malfunction decision conditions 96
- Method of malfunction detection 96
- Refrigerant shortage four way valve malfunctioning discharge pipe thermistor defective heat exchanger or outdoor air temperature thermistor defective outdoor unit pcb defective water mixed in the local piping electronic expansion valve defective stop valve defective 96
- Remote controller display 96
- Service diagnosis 87 96
- Sibe05 311 troubleshooting 96
- Supposed causes 96
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 96
- 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 96
- Troubleshooting 96
- Check no 3 refer to p 10 97
- Compressor relay cable disconnected compressor itself defective outdoor unit pcb defective stop valve closed input voltage out of specification 97
- Flk x s series only a compressor startup failure is detected by checking the compressor running condition through the position detection circuit 97
- Malfunction decision conditions 97
- Method of malfunction detection 97
- Position sensor abnormality 97
- Remote controller display 97
- Service diagnosis 97
- Supposed causes 97
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent clearing condition continuous run for about 5 minutes normal the system will be shut down if the error occurs 16 times 97
- Troubleshooting 97
- Troubleshooting sibe05 311 97
- Ct or related abnormality 98
- Malfunction decision conditions 98
- Method of malfunction detection 98
- Remote controller display 98
- Supposed causes 98
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 99
- Check no 2 refer to p 10 99
- Note if the model doesn t have spm replace the outdoor unit pcb 99
- Service diagnosis 99
- Troubleshooting 99
- Troubleshooting sibe05 311 99
- Malfunction decision conditions 100
- Method of malfunction detection 100
- P4 j3 j6 h9 100
- Remote controller display 100
- Supposed causes 100
- Thermistor or related abnormality outdoor unit 100
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 101
- Check no refer to p 06 101
- P4 radiation fin thermistor j3 discharge pipe temperature thermistor j6 outdoor unit heat exchanger temperature thermistor h9 outdoor air temperature thermistor 101
- Service diagnosis 101
- Troubleshooting 101
- Troubleshooting sibe05 311 101
- Electrical box temperature rise 102
- Malfunction decision conditions 102
- Method of malfunction detection 102
- Remote controller display 102
- Supposed causes 102
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 103
- Check no refer to p 06 103
- Check no refer to p 07 103
- Check no refer to p 08 103
- Service diagnosis 103
- Troubleshooting 103
- Troubleshooting sibe05 311 103
- Malfunction decision conditions 104
- Method of malfunction detection 104
- Radiation fin temperature rise 104
- Remote controller display 104
- Supposed causes 104
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 105
- Check no refer to p 06 105
- Check no refer to p 07 105
- Check no refer to p 08 105
- Service diagnosis 105
- Troubleshooting 105
- Troubleshooting sibe05 311 105
- Malfunction decision conditions 106
- Method of malfunction detection 106
- Output over current detection 106
- Remote controller display 106
- Supposed causes 106
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 107
- Check no 3 refer to p 10 107
- Check no refer to p 07 107
- Check no refer to p 08 107
- Note if the model doesn t have spm replace the outdoor unit pcb 107
- Service diagnosis 107
- Troubleshooting 107
- Troubleshooting sibe05 311 107
- Insufficient gas 108
- Malfunction decision conditions 108
- Method of malfunction detection 108
- Remote controller display 108
- Supposed causes 108
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 109
- Check no refer to p 04 109
- Check no refer to p 06 109
- Service diagnosis 109
- Troubleshooting 109
- Troubleshooting sibe05 311 109
- An abnormal voltage rise is detected by checking the specified over voltage detection circuit 110
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer the voltage is over 400v the system will be shut down if the error occurs 5 times clearing condition continuous run for about 60 minutes normal 110
- Malfunction decision conditions 110
- Method of malfunction detection 110
- Note if the model doesn t have spm replace the outdoor unit pcb 110
- Over voltage detection 110
- Remote controller display 110
- Service diagnosis 101 110
- Sibe05 311 troubleshooting 110
- Supply voltage not as specified over voltage detection circuit defective pam control part s defective 110
- Supposed causes 110
- Troubleshooting 110
- High pressure control in cooling 111
- Malfunction decision conditions 111
- Method of malfunction detection 111
- Remote controller display 111
- Supposed causes 111
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 112
- Check no refer to p 04 112
- Check no refer to p 06 112
- Check no refer to p 07 112
- Check no refer to p 08 112
- Service diagnosis 103 112
- Sibe05 311 troubleshooting 112
- Troubleshooting 112
- Check no 113
- Electronic expansion valve check 113
- How to check 113
- Check no 114
- Four way valve performance check 114
- Service diagnosis 105 114
- Sibe05 311 check 114
- Check no 115
- Remove the connectors of the thermistors 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 115
- Thermistor resistance check 115
- Check no 116
- Installation condition check 116
- Service diagnosis 107 116
- Sibe05 311 check 116
- Check no 117
- Check sibe05 311 117
- Discharge pressure check 117
- Outdoor unit fan system check with ac motor 117
- Service diagnosis 117
- Check no 0 118
- Check no 1 118
- Fig fig 118
- Inverter units refrigerant system check 118
- Measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance check to see if the power supply waveform is a sine wave fig check to see if there is waveform disturbance near the zero cross sections circled in fig 118
- Power supply waveforms check 118
- Service diagnosis 109 118
- Sibe05 311 check 118
- Before measuring operate the unit for several minutes then shut down the operation by force using the circuit breaker if the unit is shut down using the remote controller instead of the circuit breaker the capacitor discharges the electric load thus disallowing accurate measurement 119
- Capacitor voltage check 119
- Check no 2 119
- Check no 3 119
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector then follow the procedure below to measure resistance between power transistor and and the u v and w terminals of the compressor connector with a multi tester evaluate the measurement results for a pass fail judgment 119
- Note check to make sure that the voltage between the terminal of power transistor and is approx 0 volt before checking power transistor 119
- Note the charge section is applied with high voltage therefore exercise caution during measurement to prevent electric shock 119
- Power transistor check 119
- Since capacitor and are connected to power transistor and capacitor voltage can be measured at the power transistor and terminals 119
- Take measurements at the power transistor and terminals in the same way as described in section 1 set the multi tester to dc and voltage range before measurement 119
- Check no 6 120
- Hall ic check 120
- Indoor unit 14 122
- Outdoor unit 30 122
- Part 7 removal procedure 122
- Indoor unit 123
- Procedure 123
- Removal of the air filter front grille 123
- Procedure 126
- Removal of the front panel 126
- Procedure 128
- Removal of the horizontal blade 128
- Procedure 129
- Removal of the signal receiver unit swing motor 129
- Procedure 130
- Removal of the discharge grille 130
- Procedure 131
- Removal of the drain pan 131
- Procedure 132
- Removal of the electrical box pcb 132
- Disconnect the terminals from the terminal strip board 133
- Indoor unit sibe05 311 133
- Removal procedure 133
- Step procedure points 133
- The illustration shows the control pcb indoor unit 133
- Procedure 135
- Removal of the fan rotor fan motor 135
- Procedure 137
- Removal of the heat exchanger 137
- Outdoor unit 139
- Procedure 139
- Removal of external casing 139
- Sectional view at the front 141
- The front plate and the left side plate can be removed when the one fixed screw is removed 141
- Procedure 142
- Removal of bell mouth and left side plate 142
- Procedure 143
- Removal of pcb and electrical box 143
- Disconnect the two connectors of the reactor 144
- Disconnect the wire harness 144
- Remove the four screws fixing the pcb 144
- Disconnect the three wires from the pcb 145
- The pcb has eight hooks 145
- Undo the eight hooks and the pcb can be disengaged 145
- Remove the electrical box 146
- Remove the two screws fixing the electrical box 146
- The pcb can completely be released 146
- Lift and remove the electrical box 147
- Remove the molded interconnect device mid 147
- Remove the one screw fixing the mid 147
- Slide the mid upward and release 148
- Procedure 149
- Removal of propeller fan and fan motor 149
- Remove the fan motor 150
- Procedure 151
- Removal of compressor noise absorption pad 151
- Procedure 153
- Pull the partition plate upward to remove 153
- Removal of partition plate and reactor 153
- Remove the two screws fixing the partition plate 153
- Warning be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 153
- Slide the reactor assembly this side and release 155
- Procedure 156
- Removal of four way valve and motor valve 156
- Procedure 159
- Removal of compressor 159
- Remove the four way valve and the motor valve also so as not to be burnt out 160
- Remove the nut by an open end wrench 160
- The mounting nut for the compressor is only one piece 160
- Others 54 162
- Part 8 others 162
- For cooling only 163
- For heat pump 163
- Others 163
- Test run from the remote controller 163
- How to set the different addresses control pcb of the indoor unit 1 remove the front grille 3 screws 2 remove the electrical box 1 screw 3 remove the drip proof plate 4 tabs 4 cut the address jumper ja on the control pcb 164
- Jumper setting 164
- Jumper settings 164
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 164
- When two units are installed in one room 164
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 164
- Part 9 appendix 166
- Piping diagrams 58 166
- Wiring diagrams 61 166
- Flks25bvmb flks35bvmb flk25bvmb flk35bvmb flxs25bvmb flxs35bvmb flx25bvmb flx35bvmb 167
- Indoor units 167
- Piping diagrams 167
- Appendix 159 168
- Outdoor units 168
- Rk25bvmb 168
- Rks25 35bvmb rk35bvmb 168
- Sibe05 311 piping diagrams 168
- Appendix 169
- Piping diagrams sibe05 311 169
- Rx25bvmb 169
- Rxs25 35bvmb rx35bvmb 169
- Appendix 161 170
- Flks25bvmb flks35bvmb flk25bvmb flk35bvmb flxs25bvmb flxs35bvmb flx25bvmb flx35bvmb 170
- Indoor units 170
- Sibe05 311 wiring diagrams 170
- Wiring diagrams 170
- Appendix 171
- Outdoor units 171
- Rk25 35bvmb 171
- Rks25 35bvmb 171
- Wiring diagrams sibe05 311 171
- Appendix 163 172
- Rx25 35bvmb 172
- Rxs25 35bvmb 172
- Sibe05 311 wiring diagrams 172
- Ylw ylw 172
- Numerics 174
- Drawings flow charts 178
- B 8400 ostend belgium 180
- Internet http www daikineurope com 180
- Sibe05 311 10 2003 prepared in belgium by vanmelle 180
- Zandvoordestraat 300 180
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