![Daikin FTKS71EV1B [38/258] Fan speed control for indoor units](/img/pdf.png)
Daikin FTKS71EV1B [38/258] Fan speed control for indoor units
![Daikin FTKS71EV1B [38/258] Fan speed control for indoor units](/views2/1776858/page38/bg26.png)
SiBE04-609 Main Functions
Function and Control 29
1.3 Fan Speed Control for Indoor Units
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 rotation speed control and Hall IC
control.
For more information about Hall IC, refer to the troubleshooting for fan motor on page 119.
Fan Steps Fan speed control contains 9 steps: LLL, LL, SL, L, ML, M, MH, H and HH.
= Within this range the airflow rate is automatically controlled when the FAN setting
button is set to automatic.
Note: 1. During powerful operation, fan operates H tap + 50 - 90 rpm.
2. Fan stops during defrost operation.
3. In time of thermostat OFF, the fan rotates at the following speed,
Cooling : The fan keeps rotating at the set tap.
Heating : FTK(X)S50D, ATXS50E : The fan rotates at LLL tap.
FTK(X)S50-71E, ATX50E : The fan stops.
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
FTK(X)S50D, ATXS50E :
980 - 1090 rpm
FTK(X)S50-71E, ATX50E :
800 - 950 rpm
LL
SL (Silent)
L
ML
M
MH
H
HH (Powerful)
(R2818)
(R5225)
-1.5˚C
-0.5˚C
-1˚C
-2˚C
L
ML
M
Thermostat
setting
temperature
Rotation speed control
Difference between room
and set temperature
fan speed
(R5207)
+1.5˚C
+0.5˚C
+2˚C
+1˚C
M
ML
L
fan speed
Difference between room
and set temperature
Rotation speed control
Thermostat
setting
temperature
(R5208)
Содержание
- Inverter pair 1
- Sibe04 609 1
- Wall mounted type e series 1
- Cooling only indoor units 2
- Heat pump indoor units 2
- Inverter pair e series 2
- Outdoor units 2
- Table of contents 2
- Control specification 2 3
- Function of thermistor 0 3
- Introduction v 3
- List of functions 3
- Main functions 6 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board connector wiring diagram 7 3
- Part 4 function and control 5 3
- Printed circuit board connector wiring diagram 8 3
- Specifications 3
- Caution for diagnosis 12 2 problem symptoms and measures 13 3 service check function 14 4 troubleshooting 15 4
- Check 47 4
- Indoor unit 56 4
- Outdoor unit 05 4
- Part 5 system configuration 7 4
- Part 6 service diagnosis 11 4
- Part 7 removal procedure 55 4
- System configuration 8 2 instruction 9 4
- Drawings flow charts v 5
- Index i 5
- Others 30 5
- Part 8 others 29 5
- Part 9 appendix 33 5
- Piping diagrams 34 5
- Wiring diagrams 38 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
- Holding functions no functions 11
- List of functions 11
- List of functions sibe04 609 11
- Holding functions no functions 12
- List of functions 3 12
- Sibe04 609 list of functions 12
- Holding functions no functions 13
- List of functions 13
- List of functions sibe04 609 13
- Holding functions no functions 14
- List of functions 5 14
- Sibe04 609 list of functions 14
- Part 2 specifications 16
- Specifications 16
- Cooling only 17
- Hz 230v 17
- Specifications 17
- Specifications sibe04 609 17
- Hz 230v 18
- Sibe04 609 specifications 18
- Specifications 9 18
- Hz 230v 19
- Specifications 19
- Specifications sibe04 609 19
- Hz 230v 20
- Sibe04 609 specifications 20
- Specifications 11 20
- Heat pump 21
- Hz 230v 21
- Specifications 21
- Specifications sibe04 609 21
- Hz 230v 22
- Sibe04 609 specifications 22
- Specifications 13 22
- Hz 230v 23
- Specifications 23
- Specifications sibe04 609 23
- Hz 230v 24
- Sibe04 609 specifications 24
- Specifications 15 24
- Hz 230v 25
- Specifications 25
- Specifications sibe04 609 25
- Part 3 printed circuit board connector wiring diagram 26
- Printed circuit board connector wiring diagram 8 26
- Ftk x s 50 d atxs 50 e 27
- Indoor units 27
- Printed circuit board connector wiring diagram 27
- Pcb 2 signal receiver pcb pcb 3 display pcb 28
- Pcb 4 intelligent eye sensor pcb 28
- Pcb detail pcb 1 control pcb 28
- Printed circuit board connector wiring diagram 19 28
- Sibe04 609 printed circuit board connector wiring diagram 28
- Ftk x s 50 60 71 e ft y n 50 60 e atx 50 e 29
- Pcb 2 signal receiver pcb pcb 3 buzzer pcb 30
- Pcb 4 display pcb pcb 5 intelligent eye sensor pcb 30
- Pcb detail pcb 1 control pcb indoor unit 30
- Printed circuit board connector wiring diagram 21 30
- Sibe04 609 printed circuit board connector wiring diagram 30
- Outdoor units 31
- Pcb 1 main pcb outdoor unit 71 models 32
- Pcb detail pcb 1 main pcb outdoor unit 50 60 models 32
- Printed circuit board connector wiring diagram 23 32
- Sibe04 609 printed circuit board connector wiring diagram 32
- Pcb 2 service monitor pcb 33
- Printed circuit board connector wiring diagram 33
- Printed circuit board connector wiring diagram sibe04 609 33
- Control specification 2 34
- Function of thermistor 0 34
- Main functions 6 34
- Part 4 function and control 34
- Additional control parameters 35
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 35
- Forced cooling operation 35
- Frequency principle 35
- Frequency restrictions 35
- Initial settings 35
- 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 35
- 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 35
- Main functions 35
- Note see the list of functions for the functions applicable to different models 35
- The difference between the room temperature and the set temperature 35
- The load condition of the operating indoor unit 35
- The target frequency is adapted by additional parameters in the following cases 35
- 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 36
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 36
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outside temperature is 2 c 36
- For more information refer to forced operation mode on page 36
- Forced cooling operation 36
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 36
- Inverter features the inverter provides the following features 36
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 36
- The regulating capacity can be changed according to the changes in the outside temperature and cooling heating load 36
- Power airflow dual flaps wide angle louvers and auto swing 37
- Automatic air flow control for cooling 38
- Automatic air flow control for heating 38
- 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 rotation speed control and hall ic control 38
- Fan speed control for indoor units 38
- Fan steps fan speed control contains 9 steps lll ll sl l ml m mh h and hh 38
- For more information about hall ic refer to the troubleshooting for fan motor on page 119 38
- Ftk x s50d atxs50e 980 1090 rpm ftk x s50 71e atx50e 800 950 rpm 38
- Function and control 29 38
- Ll sl silent l ml m mh h hh powerful 38
- Note 1 during powerful operation fan operates h tap 50 90 rpm 2 fan stops during defrost operation 3 in time of thermostat off the fan rotates at the following speed cooling the fan keeps rotating at the set tap heating ftk x s50d atxs50e the fan rotates at lll tap ftk x s50 71e atx50e the fan stops 38
- Sibe04 609 main functions 38
- Step cooling heating dry mode lll 38
- The following drawing explains the principle for fan speed control for heating 38
- The following drawing explains the principle of fan speed control for cooling 38
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 38
- 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 39
- Programme dry function 39
- 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 39
- Automatic operation 40
- Cooling dry 41
- Function and control 41
- Heating 41
- Main functions sibe04 609 41
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 41
- The operation turns on in any zones except a 41
- The system resumes from defrost control in any zones except a 41
- The temperature difference is above the zone c after being in the zone a 41
- The temperature difference is in the zone a 41
- Thermostat control 41
- Thermostat control is based on the difference between the room temperature and the setpoint 41
- Thermostat off condition 41
- Thermostat on condition 41
- Night set mode 42
- Econo mode 43
- 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 44
- Function and control 35 44
- In case of fan mode the fan speed reduces by 50 rpm 44
- Intelligent eye 44
- Processing 1 detection method by intelligent eye 44
- Sibe04 609 main functions 44
- The motions for example in cooling 44
- 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 44
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 44
- 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 shifted 2 c from the set temperature cooling 2 c higher dry 1 c higher and auto according to the operation mode at that time 44
- Home leave operation 46
- 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 47
- Ex powerful operation in cooling mode 47
- Ftk x s50 60 71e atx50e ft y n50 60e 47
- Inverter powerful operation 47
- 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 47
- Auto restart function 48
- Hot start function 48
- Mold proof air filter 48
- On off button on indoor unit 48
- Other functions 48
- Self diagnosis digital display 48
- Signal receiving sign 48
- Titanium apatite photocatalytic air purifying filter 48
- Function of thermistor 49
- Heat pump model 49
- Cooling only model 50
- Control specification 51
- Control specification sibe04 609 51
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 51
- For cooling only model there are following models stop and cooling including drying 51
- Function and control 51
- Mode hierarchy 51
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 51
- 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 51
- Frequency control 52
- Controls at mode changing start up 54
- Four way valve operation compensation 54
- Four way valve switching 54
- Preheating operation 54
- 3 minutes stand by 55
- Compressor protection function 55
- Detail divide the zone 55
- Discharge pipe temperature control 55
- Management within the zones 55
- Outline the discharge pipe temperature is used as the compressor s internal temperature if the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further 55
- Prohibit to turn on the compressor for 3 minutes after turning it off except when defrosting only for heat pump model 55
- Reset zone discharge pipe temperature 55
- Stop zone 55
- When turning the compressor from off to on the upper limit of frequency must be set as follows the function must not be used when defrosting only for heat pump model 55
- After 2 s in this zone the compressor is stopped 56
- After this the output frequency is pulled down by 2hz every second until it reaches the steady zone keep zone 56
- Detail 56
- Frequency control in each zone drooping zone 56
- Ftk x s50d and atxs50e only have econo mode 56
- Input current control 56
- Limit of the frequency is cancelled stop zone 56
- Limitation of current drooping and stop value according to the outdoor air temperature 1 in case the operation mode is cooling 56
- Outline the microcomputer calculates the input current during the compressor is running and set the frequency upper limit from such input current in case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation 56
- The current droops when outdoor air temperature becomes higher than a certain level model by model 56
- The current droops when outdoor air temperature becomes higher than a certain level model by model 2 in case the operation mode is heating only for heat pump model 56
- The maximum limit of the compressor frequency in this control is defined as operation frequency 2hz 56
- The present maximum frequency goes on reset zone 56
- Freeze up protection control 57
- Heating peak cut control 57
- Fan control 58
- Liquid compression protection function 2 58
- Control specification sibe04 609 59
- Defrost control 59
- 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 59
- Detail separate into zones 59
- Function and control 59
- Low hz high pressure limit 59
- Note drooping the system stops after staying in the drooping zone for 2 minutes 59
- 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 59
- 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 59
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 60
- Electronic expansion valve control 60
- Function and control 51 60
- 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 60
- Sibe04 609 control specification 60
- Disconnection of the discharge pipe thermistor 61
- Fully closing with power on 61
- High temperature of the discharge pipe 61
- Opening limit 61
- Pressure equalization control 61
- Starting operation control 61
- Control when frequency is changed 62
- Target discharge pipe temperature control 62
- Detection of overload and over current 63
- Insufficient gas control 63
- Malfunctions 63
- Sensor malfunction detection 63
- Additional function 64
- Compressor operating frequency is increased to pi max max hz of operating room and outdoor unit airflow rate is increased 64
- Detail forced cooling 64
- Detail judgment by input current when an output frequency is exceeds 55 hz 40hz for 71 class and the input current is less than specified value the adjustment is made for insufficient gas judgment by discharge pipe temperature when discharge pipe temperature is 20 45 c depending on the model or mode higher than target value and the electronic expansion value opening is 480 pulse max the adjustment is made for insufficient gas 64
- Forced operation mode 64
- Outline forced operating mode includes only forced cooling 64
- Power supply voltage is detected each time equipment operation starts 64
- Powerful operation mode 64
- Voltage detection function 64
- Facility setting switch cooling at low outdoor temperature 65
- Part 5 system configuration 66
- System configuration 8 2 instruction 9 66
- System configuration 67
- Caution 68
- Instruction 68
- Safety precautions 68
- Warning 68
- Consider nuisance to your neighbours from noises 69
- Electrical work 69
- Installation site 69
- System relocation 69
- Ftk x s 50 d atxs 50 e 70
- Indoor unit 70
- Names of parts 70
- Outdoor unit 71
- Remote controller 72
- Preparation before operation 73
- To set the batteries 73
- Attention 74
- Choose a place from where the sig nals reach the unit 74
- Fix the holder to a wall a pillar or similar location with the screws procured locally 74
- Place the remote controller in the remote controller holder 74
- Preparation before operation 74
- To fix the remote controller holder on the wall 74
- To operate the remote controller 74
- 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 75
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 75
- Operation outside this humidity or temperature range may cause a safety device to disable the system 75
- Press clock button 75
- Press timer setting button to set the clock to the present time 75
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 75
- To set the clock 75
- Turn the breaker on 75
- Use the air conditioner in the following conditions 75
- Auto dry cool heat fan operation 76
- To change the temperature setting 76
- To start operation 76
- To stop operation 76
- Press fan setting button 77
- To change the air flow rate setting 77
- Adjusting the air flow direction 78
- To adjust the horizontal blades flaps 78
- To adjust the vertical blades louvers 78
- Cool dry the flap will go up heat the flap will go down 79
- Notes on comfort airflow operation 79
- Notes on flaps and louvers angles 79
- Press comfort airflow button 79
- Press comfort airflow button again 79
- To cancel comfort airflow operation 79
- To start comfort airflow operation 79
- Powerful operation 80
- To cancel powerful operation 80
- To start powerful operation 80
- Outdoor unit silent operation 81
- To cancel outdoor unit silent operation 81
- To start outdoor unit silent operation 81
- Econo operation 82
- To cancel econo opera tion 82
- To start econo operation 82
- Intelligent eye operation 83
- To cancel the intelligent eye operation 83
- To start intelligent eye operation 83
- Caution 84
- Intelligent eye is useful for energy saving 84
- Intelligent eye operation 84
- Notes on intelligent eye 84
- Timer operation 85
- To cancel the off timer operation 85
- To use off timer operation 85
- Attention 86
- Press cancel button 86
- Press on timer button 86
- Press on timer button again 86
- Press timer setting button until the time setting reaches the point you like 86
- Timer operation 86
- To cancel on timer operation 86
- To combine on timer and off timer 86
- To use on timer operation 86
- Care and cleaning 87
- Caution 87
- Front panel 87
- Indoor unit outdoor unit and remote controller 87
- Air filter 88
- Filters 88
- Maintenance 88
- Replacement 88
- Titanium apatite photocatalytic air purifying filte 88
- After operation stops turn off the breaker for the room air conditioner 89
- Before a long idle period 89
- Clean the air filters and set them again 89
- Operate the fan only for several hours on a fine day to dry out the inside 89
- Take out batteries from the remote controller 89
- Case explanation 90
- These cases are not troubles 90
- Trouble shooting 90
- Troubleshooting 90
- Case check 91
- Check again 91
- Call the service shop immediately 92
- Disposal requirements 92
- Warning 92
- We recommend periodical maintenance 92
- Fault diagnosis 93
- Instruction sibe04 609 93
- System configuration 93
- The code indication changes as shown below and notifies with a long beep 93
- Ftk x s 50 71 e ft y n 50 60 e atx 50 e 94
- Indoor unit 94
- Main unit control panel 94
- Names of parts 94
- Outdoor unit 95
- Arc433a21 a22 96
- Remote controller 96
- Preparation before operation 97
- To set the batteries 97
- Attention 98
- Choose a place from where the signals reach the unit 98
- Place the remote controller in the remote controller holder 98
- Preparation before operation 98
- To fix the remote controller holder on the wall 98
- To operate the remote controller 98
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 99
- Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 99
- Cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect 99
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 99
- Operation outside this humidity or temperature range may cause a safety device to disable the system 99
- Press clock button 99
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 99
- To set the clock 99
- Turn the breaker on 99
- Use the air conditioner in the following conditions 99
- Auto dry cool heat fan operation 100
- To change the temperature setting 100
- To start operation 100
- To stop operation 100
- Press fan setting button 101
- To change the air flow rate setting 101
- Adjusting the air flow direction 102
- To adjust the horizontal blade flap 102
- To adjust the vertical blades louvers 102
- Notes on flap angle 103
- Notes on louvers angles 103
- Press either the swing button or the swing button 103
- Press the swing button and the swing button the and display will light up and the flap and louvers will move in turn 103
- To 3 d airflow 103
- To cancel 3 d airflow 103
- Powerful operation 104
- To cancel powerful operation 104
- To start powerful operation 104
- Outdoor unit silent operation 105
- To cancel outdoor unit silent operation 105
- To start outdoor unit silent operation 105
- Before using home leave operation 106
- Home leave operation 106
- To cancel home leave operation 106
- To start home leave operation 106
- Use as a favorite mode 107
- Use as an energy saving mode 107
- Useful in these cases 107
- What s the home leave operation 107
- Intelligent eye operation 108
- To cancel the intelligent eye operation 108
- To start intelligent eye operation 108
- Caution 109
- Intelligent eye is useful for energy saving 109
- Notes on intelligent eye 109
- Timer operation 110
- To cancel the off timer operation 110
- To use off timer operation 110
- Attention 111
- Press cancel button 111
- Press on timer button 111
- Press on timer button again 111
- Press timer setting button until the time setting reaches the point you like 111
- To cancel on timer operation 111
- To combine on timer and off timer 111
- To use on timer operation 111
- Care and cleaning 112
- Caution 112
- Front panel 112
- Indoor unit outdoor unit and remote controller 112
- After washing shake off remaining water and dry in the shade 4 113
- Air filter 113
- Clean or replace each filter 113
- Filters 113
- If it is very dirty soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent 113
- Maintenance 113
- Open the front panel page 24 2 pull out the air filters 113
- Remove dust with a vacuum cleaner and wash lightly with water 2 113
- Remove the tabs on the filter frame and replace with a new filter 113
- Replacement 113
- Set the air filter and the titanium apatite photocatalytic air purifying filter as they were and close the front panel 113
- Take off the titanium apatite photocatalytic air purifying filter 113
- Titanium apatite photocatalytic air purifying filter gray 113
- Wash the air filters with water or clean them with vacuum cleaner 113
- After operation stops turn off the breaker for the room air conditioner 114
- Before a long idle period 114
- Clean the air filters and set them again 114
- Dispose of old filters as burnable waste 114
- Operate the fan only for several hours on a fine day to dry out the inside 114
- Press mode button and select fan operation 114
- Press on off button and start operation 114
- Take out batteries from the remote controller 114
- Titanium apatite photocatalytic air purifying filter without frame 1 set 114
- To order titanium apatite photocatalytic air purifying filter contact to the service shop there you bought the air conditioner 114
- Case explanation 115
- These cases are not troubles 115
- Trouble shooting 115
- Troubleshooting 115
- Case check 116
- Check again 116
- Call the service shop immediately 117
- Disposal requirements 117
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 117
- Turn the breaker off and call the service shop 117
- Warning 117
- We recommend periodical maintenance 117
- Fault diagnosis 118
- Sibe04 609 instruction 118
- System configuration 109 118
- The code indication changes as shown below and notifies with a long beep 118
- Caution for diagnosis 12 2 problem symptoms and measures 13 3 service check function 14 4 troubleshooting 15 120
- Check 47 120
- Part 6 service diagnosis 120
- Caution for diagnosis 121
- Problem symptoms and measures 122
- 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 123
- 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 123
- Press the timer cancel button repeatedly until a continuous beep is produced 123
- Service check function 123
- Displayed only when system down occurs 124
- Error codes and description 124
- Troubleshooting 124
- Indoor unit pcb abnormality 125
- Freeze up protection control or high pressure control 126
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 127
- Check no 6 refer to p 49 127
- Service diagnosis 127
- Troubleshooting 127
- Troubleshooting sibe04 609 127
- Fan motor dc motor or related abnormality 128
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 129
- Check no 1 refer to p 47 129
- Service diagnosis 129
- Troubleshooting 129
- Troubleshooting sibe04 609 129
- Thermistor or related abnormality indoor unit 130
- Check no 0 refer to p 52 131
- Faulty indoor unit pcb 131
- Faulty outdoor unit pcb 131
- Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 131
- Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform 131
- Indoor unit outdoor unit signal transmission error due to wiring error 131
- Malfunction decision conditions 131
- Method of malfunction detection 131
- Remote controller display 131
- Service diagnosis 131
- Signal transmission error between indoor and outdoor units 131
- Supposed causes 131
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 131
- Troubleshooting 131
- Troubleshooting sibe04 609 131
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 131
- Outdoor unit pcb abnormality 132
- A compressor overload is detected through compressor ol 133
- Check no 1 refer to p 52 133
- Check no 4 refer to p 47 133
- Check no 5 refer to p 48 133
- Check no 6 refer to p 49 133
- Electronic expansion valve defective 133
- Four way valve malfunctioning 133
- If the compressor ol is activated twice the system will be shut down 133
- Malfunction decision conditions 133
- Method of malfunction detection 133
- Ol activation compressor overload 133
- Outdoor unit pcb defective 133
- Refrigerant shortage 133
- Remote controller display 133
- Service diagnosis 133
- Stop valve defective 133
- Supposed causes 133
- 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 133
- Troubleshooting 133
- Troubleshooting sibe04 609 133
- Water mixed in the local piping 133
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 134
- Clearing condition continuous run for about 5 minutes normal 134
- Compressor lock 134
- Compressor locked 134
- Judging from current waveform generated when high frequency voltage is applied to the compressor 134
- Malfunction decision conditions 134
- Method of malfunction detection 134
- Remote controller display 134
- Service diagnosis 125 134
- Sibe04 609 troubleshooting 134
- Supposed causes 134
- The system will be shut down if the error occurs 16 times 134
- Troubleshooting 134
- Dc fan lock 135
- Input over current detection 136
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 137
- Check no 4 refer to p 54 137
- Check no 7 refer to p 50 137
- Check no 8 refer to p 51 137
- Service diagnosis 137
- Troubleshooting 137
- Troubleshooting sibe04 609 137
- 60 class 71 class 110 120 138
- Check no 1 refer to p 52 138
- Check no 4 refer to p 47 138
- Check no 6 refer to p 49 138
- Discharge pipe temperature control 138
- Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective 138
- Electronic expansion valve defective 138
- Four way valve malfunctioning 138
- If a stop takes place 6 times successively due to abnormal discharge pipe temperature the system will be shut down 138
- 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 138
- Malfunction decision conditions 138
- Method of malfunction detection 138
- Outdoor unit pcb defective 138
- Refrigerant shortage 138
- Remote controller display 138
- Service diagnosis 129 138
- Sibe04 609 troubleshooting 138
- Stop valve defective 138
- Supposed causes 138
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 138
- 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 138
- Troubleshooting 138
- Water mixed in the local piping 138
- Compressor sensor system abnormality 139
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 140
- Service diagnosis 131 140
- Sibe04 609 troubleshooting 140
- Troubleshooting 140
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 141
- Check no 3 refer to p 53 141
- Clearing condition continuous run for about 5 minutes normal 141
- Compressor itself defective 141
- Compressor relay cable disconnected 141
- Input voltage out of specification 141
- Malfunction decision conditions 141
- Method of malfunction detection 141
- Outdoor unit pcb defective 141
- Position sensor abnormality 141
- Remote controller display 141
- Service diagnosis 141
- Stop valve closed 141
- Supposed causes 141
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent 141
- The system will be shut down if the error occurs 8 times 141
- Troubleshooting 141
- Troubleshooting sibe04 609 141
- Ct or related abnormality 142
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 143
- Check no 2 refer to p 53 143
- Service diagnosis 143
- Troubleshooting 143
- Troubleshooting sibe04 609 143
- P4 j3 j6 h9 144
- Thermistor or related abnormality outdoor unit 144
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 145
- Check no 6 refer to p 49 145
- Discharge pipe thermistor 145
- Outdoor air thermistor 145
- Outdoor heat exchanger thermistor 145
- Radiation fin thermistor 145
- Service diagnosis 145
- Troubleshooting 145
- Troubleshooting sibe04 609 145
- Electrical box temperature rise 146
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 147
- Check no 6 refer to p 49 147
- Check no 7 refer to p 50 147
- Check no 9 refer to p 51 147
- Service diagnosis 147
- Troubleshooting 147
- Troubleshooting sibe04 609 147
- Radiation fin temperature rise 148
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 149
- Check no 6 refer to p 49 149
- Check no 7 refer to p 50 149
- Check no 9 refer to p 51 149
- Service diagnosis 149
- Troubleshooting 149
- Troubleshooting sibe04 609 149
- Output over current detection 150
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 151
- Check no 3 refer to p 53 151
- Check no 7 refer to p 50 151
- Check no 8 refer to p 51 151
- Service diagnosis 151
- Troubleshooting 151
- Troubleshooting sibe04 609 151
- Insufficient gas 152
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 153
- Check no 4 refer to p 47 153
- Check no 6 refer to p 49 153
- Service diagnosis 153
- Troubleshooting 153
- Troubleshooting sibe04 609 153
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 154
- 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 154
- Clearing condition continuous run for about 60 minutes normal 154
- Low voltage detection or over voltage detection 154
- Malfunction decision conditions 154
- Method of malfunction detection 154
- Over voltage detector or dc voltage detection circuit defective 154
- Pam control part s defective 154
- Remote controller display 154
- Service diagnosis 145 154
- Sibe04 609 troubleshooting 154
- Supply voltage not as specified 154
- Supposed causes 154
- The system will be shut down if the error occurs 16 times 154
- Troubleshooting 154
- Signal transmission error on outdoor unit pcb 155
- Electronic expansion valve check 156
- Fan motor connector output check 156
- How to check 156
- Check no 5 157
- Check sibe04 609 157
- Four way valve performance check 157
- Service diagnosis 157
- Check no 6 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 158
- Thermistor resistance check 158
- Check no 7 159
- Check sibe04 609 159
- Installation condition check 159
- Service diagnosis 159
- Check no 8 160
- Check no 9 160
- Discharge pressure check 160
- Outdoor unit fan system check with dc motor 160
- Service diagnosis 151 160
- Sibe04 609 check 160
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 161
- Check no 1 161
- Check sibe04 609 161
- Check to see if the power supply waveform is a sine wave fig 161
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 161
- Fig fig 161
- Inverter units refrigerant system check 161
- Power supply waveforms check 161
- Service diagnosis 161
- Capacitor voltage check 162
- Check no 2 before this checking be sure to check the main circuit for short circuit 162
- Check no 3 162
- Checking the capacitor voltage 162
- Checking the power transistor 162
- For the uvw make measurements at the faston terminal on the board or the relay connector 162
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 162
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 162
- Power transistor check 162
- 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 162
- Main circuit electrolytic capacitor check 163
- Turning speed pulse input on the outdoor unit pcb check 163
- Indoor unit 56 164
- Outdoor unit 05 164
- Part 7 removal procedure 164
- Ftk x s 50 d atxs 50 e 165
- Indoor unit 165
- Removal of air filter 165
- Removal of front panel 167
- Remove the front panel caution on mounting 168
- When mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position 168
- Removal of front grille 169
- Removal of horizontal blades and vertical blades 172
- Remove the horizontal blade small while bending the fixed part at the center slightly 173
- Removing the horizontal blade small 173
- Unfasten the key type fixing shaft at the right side 173
- Unfasten the left side 173
- Removal of electrical box 175
- Removal of pcb 178
- Removal of drain pan unit 184
- Removal of fan motor 188
- Remove the fan motor 189
- Unfasten the hook a of the fan motor fixing plate with your thumb 189
- Unfasten the hook c 189
- Removal of heat exchanger 190
- Removal of fan rotor 193
- Ftk x s 50 60 71 e atx 50 e ft y n 50 60 e 196
- Removal of the air filter front panel 196
- Removal of the front grille 199
- Removal of the horizontal blades vertical blades 201
- Removal of the electrical box pcb swing motor 203
- Removal of the heat exchanger 209
- Removal of the fan rotor fan motor 212
- Outdoor unit 214
- Removal of the panels and plates 214
- Rk x s 50 60 71 e arxs 50 e r y n 50 60 e 214
- Removal of the fan motor propeller fan 218
- Removal of the electrical box 222
- Class only 225
- Disconnect the relaying wire connector for the compressor 225
- Release the clamp and undo the wire from the hook 225
- Release the clamp by pliers 225
- Lift the electrical box and remove it 226
- Removal of the pcb 227
- Lift up and remove the pcb 229
- Loosen the 3 fixing screws for the main pcb 229
- Undo the 4 hooks 229
- Removal of the sound blanket 230
- Removal of the four way valve 232
- Removal of the electronic expansion valve 233
- Removal of the compressor 235
- Others 30 238
- Part 8 others 238
- Others 239
- Test run from the remote controller 239
- 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 240
- How to set the different addresses 240
- Jumper setting 240
- Jumper settings 240
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 240
- When two units are installed in one room 240
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 240
- Part 9 appendix 242
- Piping diagrams 34 242
- Wiring diagrams 38 242
- Ftk x s50 60ev1b ft y n50 60ev1b atx50ev1b ftks71ev1b 243
- Ftks50d2v1w l ftxs50d2v1w l atxs50e2v1b 243
- Indoor units 243
- Piping diagrams 243
- Appendix 235 244
- Ftxs71ev1b 244
- Sibe04 609 piping diagrams 244
- Appendix 245
- Cooling only 245
- Outdoor units 245
- Piping diagrams sibe04 609 245
- Rks50 60e2v1b rn50 60e2v1b 245
- Rks71e2v1b 245
- Appendix 237 246
- Heat pump 246
- Rxs50 60e2v1b arxs50e2v1b ryn50 60e2v1b 246
- Rxs71e2v1b 246
- Sibe04 609 piping diagrams 246
- Appendix 247
- Ftk x s50 60 71ev1b atx50ev1b 247
- Ftk x s50d2v1w l atxs50e2v1b 247
- Indoor units 247
- Wiring diagrams 247
- Wiring diagrams sibe04 609 247
- Appendix 239 248
- D038532c 248
- Ft y n50 60ev1b 248
- Sibe04 609 wiring diagrams 248
- Appendix 249
- Outdoor units 249
- Rks50 60e2v1b rn50 60e2v1b 249
- Rxs50 60e2v1b arxs50e2v1b ryn50 60e2v1b 249
- Wiring diagrams sibe04 609 249
- Appendix 241 250
- Rks71e2v1b 250
- Rxs71e2v1b 250
- Sibe04 609 wiring diagrams 250
- Numerics 252
- Drawings flow charts 256
- Cautions on product corrosion 258
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