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Daikin FTKD18BVMS Сервис мануал онлайн [153/210] 598157
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Indoor Unit Si04-306
144 Removal Procedure
4. Remove the electrical
box.
1
Disconnect the four
connection wirings.
Loosen the screw and
remove the terminal
strip board.
You can remove the
electrical box without
detaching the terminal strip
board.
Screw: M4×25
2
Disconnect the
connectors for fan
motor (S1).
3
Disconnect the
connectors for swing
motor (S6, S8).
4
Loosen the fixing screw
of the electrical box.
Step
Procedure Points
Содержание
- Inverter pair 1
- Manual 1
- Service 1
- Si04 306 1
- Wall mounted type b series 1
- Inverter pair inverter pair inverter pair inverter pair b series b series b series b series 2
- Connector wiring diagram 7 3
- Control specification 8 3
- Function of main structural parts 6 3
- Introduction v 3
- List of functions 3
- Main functions 4 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board 3
- Part 4 function and control 3 3
- Printed circuit board connector wiring diagram 8 3
- Specifications 0 3
- Table of contents 3
- Caution for diagnosis 0 2 problem symptoms and measures 1 3 service check function 2 4 troubleshooting 3 4
- Check 25 4
- Part 5 system configuration 1 4
- Part 6 service diagnosis 9 4
- System configuration 2 2 instruction 3 4
- Drawings flow charts v 5
- Index i 5
- Indoor unit 36 5
- Others 80 5
- Outdoor unit 54 5
- Part 7 removal procedure 35 5
- Part 8 others 79 5
- Part 9 appendix 83 5
- Piping diagrams 84 5
- Wiring diagrams 90 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
- Part 1 list of functions 10
- Holding functions no functions 11
- List of functions 11
- R410a series 11
- Holding functions no functions 12
- List of functions 3 12
- Si04 306 list of functions 12
- Holding functions no functions 13
- List of functions 13
- List of functions si04 306 13
- Holding functions no functions 14
- List of functions 5 14
- R22 series 14
- Si04 306 list of functions 14
- Holding functions no functions 15
- List of functions 15
- List of functions si04 306 15
- Holding functions no functions 16
- List of functions 7 16
- Si04 306 list of functions 16
- Part 2 specifications 18
- Cooling only r410a series 19
- Specifications 19
- Specifications si04 306 19
- V 50hz 19
- Si04 306 specifications 20
- Specifications 11 20
- V 50hz 20
- Specifications 21
- Specifications si04 306 21
- V 50hz 21
- 230 240v 50hz 220 230v 60hz 22
- Cooling only r22 series 22
- Si04 306 specifications 22
- Specifications 13 22
- 230 240v 50hz 220 230v 60hz 23
- Specifications 23
- Specifications si04 306 23
- Si04 306 specifications 24
- Specifications 15 24
- V 60hz 24
- Specifications 25
- Specifications si04 306 25
- V 50hz 25
- Heat pump r410a series 26
- Si04 306 specifications 26
- Specifications 17 26
- V 50hz 26
- Specifications 27
- Specifications si04 306 27
- V 50hz 27
- Si04 306 specifications 28
- Specifications 19 28
- V 50hz 28
- Specifications 29
- Specifications si04 306 29
- V 50hz 29
- Si04 306 specifications 30
- Specifications 21 30
- V 50hz 30
- 230 240v 50hz 220 230v 60hz 31
- Heat pump r22 series 31
- Specifications 31
- Specifications si04 306 31
- 230 240v 50hz 220 230v 60hz 32
- Si04 306 specifications 32
- Specifications 23 32
- Specifications 33
- Specifications si04 306 33
- V 60hz 33
- Si04 306 specifications 34
- Specifications 25 34
- V 60hz 34
- Part 3 printed circuit board connector wiring diagram 36
- Indoor unit 37
- Printed circuit board connector wiring diagram 37
- Pcb 2 signal receiver pcb pcb 3 buzzer pcb 38
- Pcb 4 display pcb pcb 5 intelligent eye sensor pcb 38
- Pcb detail pcb 1 control pcb indoor unit 38
- Printed circuit board connector wiring diagram 29 38
- Si04 306 printed circuit board connector wiring diagram 38
- Outdoor unit 39
- Pcb 2 power supply pcb service monitor pcb 40
- Pcb detail pcb 1 control pcb outdoor unit 40
- Printed circuit board connector wiring diagram 31 40
- Si04 306 printed circuit board connector wiring diagram 40
- Printed circuit board connector wiring diagram 41
- Printed circuit board connector wiring diagram si04 306 41
- Control specification 8 42
- Function of main structural parts 6 42
- Main functions 4 42
- Part 4 function and control 42
- Part 4 part 4 part 4 part 4 function and control function and control function and control function and control 42
- Additional control parameters 43
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 43
- Forced cooling operation 43
- Frequency principle 43
- Frequency restrictions 43
- Initial settings 43
- Inverter principle 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 43
- Main control parameters the compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit 43
- Main functions 43
- Note see the list of functions for the functions applicable to different models 43
- The difference between the room temperature and the set temperature 43
- The load condition of the operating indoor unit 43
- The target frequency is adapted by additional parameters in the following cases 43
- Comfortable air conditioning a detailed adjustment is integrated to ensure a fixed room temperature it is possible to air condition with a small room temperature variation 44
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 44
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outside temperature is 2 c 44
- For more information refer to forced operation mode on page 44
- Forced cooling operation 44
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 44
- Inverter features the inverter provides the following features 44
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 44
- The regulating capacity can be changed according to the changes in the outside temperature and cooling heating load 44
- Power airflow dual flaps wide angle louvers and auto swing 45
- 60 71kw class 750 1000 rpm during powerful operation 1050 rpm 46
- Automatic air flow control for cooling 46
- Automatic air flow control for heating 46
- Control mode 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 46
- Fan speed control for indoor units 46
- For more information about hall ic refer to the troubleshooting for fan motor on page 97 46
- Function and control 37 46
- H hh powerful 46
- Ll cooling thermostat off sl silent 46
- Note 1 during powerful operation fan operates h tap 50 90 rpm 2 fan stops during defrost operation 46
- Phase steps phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh 46
- Si04 306 main functions 46
- Step cooling heating dry mode lll heating thermostat off 46
- The following drawing explains the principle for fan speed control for heating 46
- The following drawing explains the principle of fan speed control for cooling 46
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 46
- In case of inverter units 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 47
- Programme dry function 47
- 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 47
- Automatic operation 48
- Night set mode 49
- A microcomputer in an indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20msec 10 100msec it judges human is in the room as the motion signal is on 50
- Function and control 41 50
- In case of fan mode the fan speed reduces by 50 rpm 50
- Intelligent eye 50
- Processing 1 detection method by intelligent eye 50
- Si04 306 main functions 50
- The motions for example in cooling 50
- This is the function that detects existence of humans in the room by a human motion sensor intelligent eye and reduces the capacity when there is no human in the room in order to save electricity 50
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 50
- When a microcomputer 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 50
- Home leave operation 52
- Details of the control 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 53
- Ex powerful operation in cooling mode 53
- Inverter powerful operation 53
- Outline 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 53
- Tpf 20min 53
- Air purifying filter with photocatalytic deodorizing function 54
- Auto restart function 54
- Hot start function 54
- Mold proof air filter 54
- On off button on indoor unit 54
- Other functions 54
- Self diagnosis digital display 54
- Signal receiving sign 54
- Function of main structural parts 55
- Function of thermistor 55
- Heat pump model 55
- Cooling only model 56
- Control specification 57
- Control specification si04 306 57
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 57
- For cooling only model there are following models stop and cooling including drying 57
- Function and control 57
- Mode hierarchy 57
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 57
- Outline there are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 57
- Frequency control 58
- D signal 1 p control calculate 59
- D signal and is used for frequency command 59
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 59
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 2 i control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 59
- D value is large increase the frequency 3 limit of frequency variation width when the difference between input current and input current drooping value is less than 1 a the frequency increase width must be limited 4 frequency management when other controls are functioning 59
- D value is small lower the frequency when the 59
- D value obtaining the fixed 59
- D value of the indoor unit and the q value of the indoor unit q value indoor unit output determined from indoor unit volume air flow rate and other factors 59
- D value when the 59
- Determine lower limit frequency 59
- 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 indoor unit when low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 59
- Frequency initial setting 59
- Indoor frequency command 59
- Outline when starting the compressor or when conditions are varied due to the change of the room the frequency must be initialized according to the total of a maximum 59
- Pi control determine frequency up down by 59
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 4 determine prohibited frequency 59
- Th off thermostat off 59
- There is a certain prohibited frequency such as a power supply frequency 59
- When frequency is drooping frequency management is carried out only when the frequency droops 59
- 3 minutes stand by 60
- Compressor protection function 60
- Controls at mode changing start up 60
- Four way valve operation compensation 60
- Four way valve switching 60
- Preheating operation 60
- Discharge pipe temperature control 61
- Input current control 61
- Freeze up protection control 62
- Heating peak cut control 62
- Fan control 63
- Moisture protection function 2 63
- Defrost control 64
- Detail 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 12 c 64
- Detail separate into zones 64
- Function and control 55 64
- Low hz high pressure limit 64
- Note drooping the system stops 2 minutes after staying in the drooping zone 64
- Outline 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 64
- Outline heat pump only set the upper limit of high pressure in a low hz zone set the upper limit of the indoor heat exchanger temperature by its operating frequency of hz separate into three zones reset zone unchanged zone and drooping zone and the frequency control must be carried out in such zones 64
- Si04 306 control specification 64
- Control specification si04 306 65
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 65
- Electronic expansion valve control 65
- Function and control 65
- Outline 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 65
- Disconnection of the discharge pipe thermistor 66
- Fully closing with power on 66
- High temperature of the discharge pipe 66
- Opening limit 66
- Pressure equalization control 66
- Starting operation control 66
- Control when frequency is changed 67
- Target discharge pipe temperature control 67
- Detection of overload and over current 68
- Insufficient gas control 68
- Malfunctions 68
- Sensor malfunction detection 68
- Additional function 69
- Compressor operating frequency is increased to p1 max max hz of operating room and outdoor unit airflow rate is increased 69
- Detail forced cooling 69
- Forced operation mode 69
- Outline forced operating mode includes only forced cooling 69
- Power supply voltage is detected each time equipment operation starts 69
- Powerful operation mode 69
- Voltage detection function 69
- Part 5 part 5 part 5 part 5 system configuration system configuration system configuration system configuration 70
- Part 5 system configuration 70
- System configuration 2 2 instruction 3 70
- System configuration 71
- Caution 72
- Instruction 72
- Safety precautions 72
- Warning 72
- Consider nuisance to your neighbours from noises 73
- Electrical work 73
- Installation site 73
- System relocation 73
- I indoor unit 74
- I main unit control panel 74
- Names of parts 74
- I outdoor unit 75
- Iiii outdoor unit 75
- Indoor unit 75
- Arc433a21 a22 76
- I remote controller 76
- Attention 77
- I to set the batteries 77
- Preparation before operation 77
- Attention 78
- Choose a place from where the sig nals reach the unit 78
- Fix the holder to a wall a pillar etc with the screws supplied with the holder 78
- I to fix the remote controller holder on the wall 78
- I to operate the remote controller 78
- Place the remote controller in the remote controller holder 78
- Receiver 78
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 79
- Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 79
- Cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect 79
- I to set the clock 79
- I turn the breaker on 79
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 79
- Instruction si04 306 79
- Operation outside this humidity or temperature range may cause a safety device to disable the system 79
- Press clock button 79
- Press timer setting button to set the clock to the present time 79
- Sensor 79
- Silent 79
- System configuration 79
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 79
- Use the air conditioner in the following conditions 79
- Auto dry cool heat fan operation 80
- I to change the temperature setting 80
- I to start operation 80
- I to stop operation 80
- Press mode selector button and select a operation mode 80
- Press on off button 80
- Press on off button again 80
- Press temperature adjustment button 80
- I to change the air flow direction 81
- I to change the air flow rate setting 81
- Press fan setting button 81
- Adjusting the air flow direction 82
- I to adjust the horizontal blade flap 82
- I to adjust the vertical blades louvers 82
- I to 3 d airflow 83
- I to cancel 3 d airflow 83
- Notes on flap angle 83
- Notes on louvers angles 83
- Press swing button 83
- Press swing button the display will light up and the flaps and louvers will move in turn 83
- I to cancel powerful operation 84
- I to start powerful operation 84
- Powerful operation 84
- I to cancel outdoor unit silent operation 85
- I to start outdoor unit silent operation 85
- Outdoor unit silent operation 85
- Before using home leave operation 86
- Home leave operation 86
- I to cancel home leave operation 86
- I to start home leave operation 86
- Press home leave button make sure is displayed in the remote control display 86
- To set the temperature and air flow rate for home leave operation 86
- Home leave operation is only available in cool and heat mode cannot be used in auto dry and fan mode 87
- Home leave operation runs in accordance with the previous operation mode cool or heat before using home leave operation 87
- I useful in these cases 87
- I what s the home leave operation 87
- Use as a favorite mode 87
- Use as an energy saving mode 87
- When you enter the living room in the morning the temperature will be just right 87
- I to cancel the intelligent eye operation 88
- I to start intelligent eye operation 88
- Intelligent eye operation 88
- Press sensor button 88
- Press sensor button again 88
- Caution 89
- Intelligent eye is useful for energy saving 89
- Notes on intelligent eye 89
- I to cancel the off timer operation 90
- I to use off timer opera tion 90
- Timer operation 90
- Attention 91
- I to cancel on timer operation 91
- I to combine on timer and off timer 91
- I to use on timer operation 91
- Press cancel button 91
- Press on timer button 91
- Press on timer button again 91
- Press timer setting button until the time setting reaches the point you like 91
- Attach the front grille 92
- Before cleaning be sure to stop the operation and turn the breaker off 92
- Care and cleaning 92
- Caution 92
- Clean the front grille 92
- I front grille 92
- I indoor unit outdoor unit and remote controller 92
- Open the front grille 92
- Remove the front grille 92
- Wipe them with dry soft cloth 92
- Air purifying filter with photocatalytie deodorizing function gray 93
- Filters 93
- I air filter 93
- Maintenance 93
- Replacement 93
- Air purifying filter with photocatalytie deodorizing function without frame 1 set 94
- Clean the air filters and set them again 94
- Dispose of old air filter as non burnable and 94
- Filters as burnable waste 94
- I before a long idle period 94
- Operate the fan only for several hours on a fine day to dry out the inside 94
- Press mode button and select fan operation press on off button and start operation 94
- Take out batteries from the remote controller 94
- Turn off the breaker for the room air conditioner 94
- Case explanation 95
- These cases are not troubles 95
- Troubleshooting 95
- Case check 96
- Check again 96
- Call the service shop immediately 97
- I the power cord is abnormally hot or damaged i an abnormal sound is heard during operation i the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently i a switch or a button often fails to work properly i there is a burning smell i water leaks from the indoor unit 97
- Turn the breaker off and call the service shop 97
- Warning 97
- We recommend periodical maintenance 97
- Caution for diagnosis 0 2 problem symptoms and measures 1 3 service check function 2 4 troubleshooting 3 98
- Check 25 98
- Part 6 part 6 part 6 part 6 service diagnosis service diagnosis service diagnosis service diagnosis 98
- Part 6 service diagnosis 98
- Caution for diagnosis 99
- Indicator lamps 99
- Problem symptoms and measures 100
- Arc433a21 a22 101
- In the arc433a series remote controller the temperature display sections on the main unit indicate corresponding codes 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 101
- Note 1 a short beep and two consecutive beeps 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 101
- Press the timer cancel button repeatedly until a continuous beep is produced 101
- Service check function 101
- The code indication changes in the sequence shown below and notifies with a long beep 101
- Displayed only when system down occurs 102
- Error codes and description 102
- Troubleshooting 102
- Indoor unit pcb abnormality 103
- Freeze up protection control or high pressure control 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 28 105
- Note if the outside 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 105
- Service diagnosis 105
- Troubleshooting 105
- Troubleshooting si04 306 105
- Fan motor dc motor or related abnormality 106
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 107
- Check no 1 refer to p 25 107
- Check no 2 refer to p 25 107
- Service diagnosis 107
- Troubleshooting 107
- Troubleshooting si04 306 107
- Thermistor or related abnormality indoor unit 108
- Check no 0 refer to p 31 109
- Faulty indoor unit pcb 109
- Faulty outdoor unit pcb 109
- Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 109
- Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform 109
- Indoor unit outdoor unit signal transmission error due to wiring error 109
- Malfunction decision conditions 109
- Method of malfunction detection 109
- Remote controller display 109
- Service diagnosis 109
- Signal transmission error between indoor and outdoor units 109
- Supposed causes 109
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 109
- Troubleshooting 109
- Troubleshooting si04 306 109
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 109
- A compressor overload is detected through compressor ol 110
- Check no 1 refer to p 31 110
- Check no refer to p 26 110
- Check no refer to p 27 110
- Check no refer to p 28 110
- Electronic expansion valve defective 110
- Four way valve malfunctioning 110
- If the compressor ol is activated twice the system will be shut down 110
- Malfunction decision conditions 110
- Method of malfunction detection 110
- Ol activation compressor overload 110
- Outdoor unit pcb defective 110
- Refrigerant shortage 110
- Remote controller display 110
- Service diagnosis 101 110
- Si04 306 troubleshooting 110
- Stop valve defective 110
- Supposed causes 110
- 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 110
- The operating temperature condition is not specified 110
- Troubleshooting 110
- Water mixed in the local piping 110
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 111
- Clearing condition continuous run for about 5 minutes normal 111
- Compressor lock 111
- Compressor locked 111
- Malfunction decision conditions 111
- Method of malfunction detection 111
- Remote controller display 111
- Seconds after the compressor has started the position detection circuit detects a compressor frequency of above 180 hz 111
- Service diagnosis 111
- Supposed causes 111
- The position detection circuit detects a compressor frequency of below 10 hz for 20 seconds or a frequency of above 160 hz 111
- The system will be shut down if the error occurs 16 times 111
- Troubleshooting 111
- Troubleshooting si04 306 111
- Dc fan lock 112
- Input over current detection 113
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 114
- Check no 4 refer to p 33 114
- Check no refer to p 29 114
- Check no refer to p 30 114
- Service diagnosis 105 114
- Si04 306 troubleshooting 114
- Troubleshooting 114
- Four way valve abnormality 115
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 116
- Check no 1 refer to p 31 116
- Check no refer to p 27 116
- Check no refer to p 28 116
- Service diagnosis 107 116
- Si04 306 troubleshooting 116
- Troubleshooting 116
- Discharge pipe temperature control 117
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 118
- Check no 3 refer to p 32 118
- Clearing condition continuous run for about 5 minutes normal 118
- Compressor itself defective 118
- Compressor relay cable disconnected 118
- Input voltage out of specification 118
- Malfunction decision conditions 118
- Method of malfunction detection 118
- Outdoor unit pcb defective 118
- Position sensor abnormality 118
- Remote controller display 118
- Service diagnosis 109 118
- Si04 306 troubleshooting 118
- Stop valve closed 118
- Supposed causes compressor relay cable disconnected 118
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent 118
- The system will be shut down if the error occurs 16 times 118
- Troubleshooting 118
- Ct or related abnormality 119
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 120
- Check no 2 refer to p 32 120
- Service diagnosis 111 120
- Si04 306 troubleshooting 120
- Troubleshooting 120
- P4 j3 j6 h9 121
- Thermistor or related abnormality outdoor unit 121
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 122
- Check no refer to p 28 122
- P4 radiation fin thermistor j3 discharge pipe thermistor j6 outdoor heat exchanger thermistor h9 outdoor air thermistor 122
- Service diagnosis 113 122
- Si04 306 troubleshooting 122
- Troubleshooting 122
- Electrical box temperature rise 123
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 124
- Check no refer to p 28 124
- Check no refer to p 29 124
- Check no refer to p 30 124
- Service diagnosis 115 124
- Si04 306 troubleshooting 124
- Troubleshooting 124
- Radiation fin temperature rise 125
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 126
- Check no refer to p 28 126
- Check no refer to p 29 126
- Check no refer to p 30 126
- Service diagnosis 117 126
- Si04 306 troubleshooting 126
- Troubleshooting 126
- Output over current detection 127
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 128
- Check no 3 refer to p 32 128
- Check no refer to p 29 128
- Check no refer to p 30 128
- Service diagnosis 119 128
- Si04 306 troubleshooting 128
- Troubleshooting 128
- Insufficient gas 129
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 130
- Check no refer to p 26 130
- Check no refer to p 28 130
- Service diagnosis 121 130
- Si04 306 troubleshooting 130
- Troubleshooting 130
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 131
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer or the voltage being detected by the dc voltage detection circuit is judged to be below 150 v for 0 second 131
- Clearing condition continuous run for about 60 minutes normal 131
- Low voltage detection 131
- Malfunction decision conditions 131
- Method of malfunction detection 131
- Over voltage detector or dc voltage detection circuit defective 131
- Pam control part s defective 131
- Remote controller display 131
- Service diagnosis 131
- Supply voltage not as specified 131
- Supposed causes 131
- The system will be shut down if the error occurs 16 times 131
- Troubleshooting 131
- Troubleshooting si04 306 131
- High pressure control in cooling 132
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 133
- Check no refer to p 26 133
- Check no refer to p 28 133
- Check no refer to p 29 133
- Check no refer to p 30 133
- Service diagnosis 133
- Troubleshooting 133
- Troubleshooting si04 306 133
- Check no 1 1 check connector connection 2 check motor power supply voltage output pins 4 7 and 4 8 3 check motor control voltage pins 4 3 4 check rotation command voltage output pins 4 2 5 check rotation pulse input pins 4 1 134
- Check no 2 1 check connector connection 2 check motor control voltage output pins 2 1 134
- Fan motor connector output check 134
- How to check 134
- Electronic expansion valve check 135
- Check no 136
- Four way valve performance check 136
- Service diagnosis 127 136
- Si04 306 check 136
- Check no 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 137
- Thermistor resistance check 137
- Check no 138
- Installation condition check 138
- Service diagnosis 129 138
- Si04 306 check 138
- Check no 139
- Check si04 306 139
- Discharge pressure check 139
- Outdoor unit fan system check with dc motor 139
- Service diagnosis 139
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 140
- Check no 1 140
- Check to see if the power supply waveform is a sine wave fig 140
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 140
- Fig fig 140
- Inverter units refrigerant system check 140
- Power supply waveforms check 140
- Service diagnosis 131 140
- Si04 306 check 140
- Capacitor voltage check 141
- Check no 2 before this checking be sure to check the main circuit for short circuit 141
- Check no 3 141
- Checking the capacitor voltage 141
- Checking the power transistor 141
- For the uvw make measurements at the faston terminal on the board or the relay connector 141
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 141
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 141
- Power transistor check 141
- With the circuit breaker still on measure the voltage according to the drawing of the model in question be careful never to touch any live parts 141
- Main circuit electrolytic capacitor check 142
- Turning speed pulse input on the outdoor unit pcb check 142
- Indoor unit 36 144
- Outdoor unit 54 144
- Part 7 part 7 part 7 part 7 removal procedure removal procedure removal procedure removal procedure 144
- Part 7 removal procedure 144
- Indoor unit 145
- Removal of the air filter front panel 145
- Removal of the front grille 148
- Removal of the horizontal blades vertical blades 150
- Removal of the electrical box pcb swing motor 152
- Removal of the heat exchanger 158
- Removal of the fan rotor fan motor 161
- Outdoor unit 163
- Removal of the panels and plates 163
- Removal of the fan motor propeller fan 167
- Pull the fan motor out 170
- Put the lead wire through the back of the motor when reassembling so as not to be entangled with the propeller fan 170
- Removal of the pcb electrical box 171
- Disconnect the reactor harness 176
- Disconnect the relaying wire connector for the compressor 176
- Release the clamp by pliers 176
- Loosen the screw of the electrical box 177
- Pull the clamp and draw the thermistor harness out from the back of the electrical box 177
- Lift the electrical box and remove it 178
- Release the clamp of the four way valve harness 178
- Removal of the reactor 179
- Lift the partition plate and remove it 180
- Loosen the screw slide the reactor and remove it from the partition plate 180
- Removal of the sound blanket 181
- Removal of the four way valve 183
- Removal of the electronic expansion valve 184
- Removal of the compressor 185
- Part 8 others 188
- Others 189
- Test run from the remote controller 189
- 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 190
- How to set the different addresses 190
- Jumper setting 190
- Jumper settings 190
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 190
- When two units are installed in one room 190
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 190
- Part 9 appendix 192
- Ftk x s 50 60 bvma ftk x s 50 60 bvmb ft y s 50 60 bvmb ftkd50bvm ftk x d50bvma ftk x d50bvmt 193
- Ftk x s71bvma ftk x s71bvmb ftkd60bvm ftk x d60bvma ftk x d60bvmt ftkd18bvms 193
- Indoor units 193
- Piping diagrams 193
- Appendix 185 194
- Ftkd71bvm ftk x d71bvma ftk x d71bvmt ftkd 24 28 bvms 194
- Indoor unit 194
- Si04 306 piping diagrams 194
- Appendix 195
- Cooling only 195
- Outdoor units 195
- Piping diagrams si04 306 195
- Rks 60 71 bvma rks 60 71 bvmb rs60bvmb 195
- Rks50bvma rks50bvmb rs50bvmb 195
- Appendix 187 196
- Rkd 60 71 bvm rkd 60 71 bvma rkd 60 71 bvmt rkd 18 24 28 bvms 196
- Rkd50bvm rkd50bvma rkd50bvmt 196
- Si04 306 piping diagrams 196
- Appendix 197
- Heat pump 197
- Piping diagrams si04 306 197
- Rxs 60 71 bvma rxs 60 71 bvmb rys60bvmb 197
- Rxs50bvma rxs50bvmb rys50bvmb 197
- Appendix 189 198
- Outdoor unit 198
- Rxd 60 71 bvma rxd 60 71 bvmt 198
- Rxd50bvma rxd50bvmt 198
- Si04 306 piping diagrams 198
- Appendix 199
- Ftk x s 60 71 bvma ftk x s 60 71 bvmb ftkd 50 60 71 bvm ftk x d 50 60 71 bvma ftk x d 50 60 71 bvmt 199
- Ftk x s50bvma ftk x s50bvmb 199
- Indoor units 199
- Wiring diagrams 199
- Wiring diagrams si04 306 199
- Appendix 191 200
- Ft y s50bvmb 200
- Ft y s60bvmb 200
- Si04 306 wiring diagrams 200
- Ftkd 18 24 28 bvms 201
- Appendix 193 202
- Outdoor units 202
- Rks 50 60 71 bvma rks 50 60 71 bvmb rs 50 60 bvmb rkd 50 60 71 bvm rkd 50 60 71 bvma rkd 50 60 71 bvmt 202
- Rxs 50 60 71 bvma rxs 50 60 71 bvmb rys 50 60 bvmb rxd 50 60 71 bvma rxd 50 60 71 bvmt 202
- Si04 306 wiring diagrams 202
- Rkd 18 24 28 bvms 203
- Index index index index 204
- Numerics 204
- Drawings flow charts 208
- Drawings flow charts drawings flow charts drawings flow charts drawings flow charts 208
- For further improvement specifications or designs are subject to change without prior notice 210
- Printed in singapore 06 2003 ak cos 210
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