![Daikin RXS25D3VMB [201/228] Removal of reactor and partition plate](/img/pdf.png)
Daikin RXS25D3VMB [201/228] Removal of reactor and partition plate
![Daikin RKS25D3VMB [201/228] Removal of reactor and partition plate](/views2/1780671/page201/bgc9.png)
Outdoor Unit SiENBE04-507A
192 Removal Procedure
2.3 Removal of Reactor and Partition Plate
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step
Procedure Points
Remove the outer panels.
Remove the electrical
box.
1. Remove the reactor.
1
Loosen the screw.
Lift and remove the
reactor.
2. Remove the partition
plate.
1
Loosen the 2 screws.
Reactor
Partition plate
Содержание
- Inverter pair 1
- Inverter pair wall mounted type d series 1
- Manual 1
- Service 1
- Siebe04 507a 1
- Wall mounted type d series 1
- D series 2
- Inverter pair 2
- Inverter pair d series 2
- Control specification 1 3
- Function of thermistor 9 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 9 3
- Part 4 function and control 5 3
- Printed circuit board connector wiring diagram 0 3
- Specifications 3
- Caution for diagnosis 06 2 problem symptoms and measures 07 3 service check function 08 4 troubleshooting 11 4
- Check 44 4
- Part 5 system configuration 7 4
- Part 6 service diagnosis 05 4
- System configuration 8 2 instruction 9 4
- Drawings flow charts v 5
- Index i 5
- Indoor unit 52 5
- Others 04 5
- Outdoor unit 83 5
- Part 7 removal procedure 51 5
- Part 8 others 03 5
- Part 9 appendix 07 5
- Piping diagrams 08 5
- Wiring diagrams 11 5
- Caution in repair 6
- Introduction 6
- Safety cautions 6
- Warning 6
- 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
- List of functions 11
- List of functions sienbe04 507a 11
- Note holding functions no functions 11
- List of functions 3 12
- Note holding functions no functions 12
- Sienbe04 507a list of functions 12
- List of functions 13
- List of functions sienbe04 507a 13
- Note holding functions no functions 13
- List of functions 5 14
- Note holding functions no functions 14
- Sienbe04 507a list of functions 14
- List of functions 15
- List of functions sienbe04 507a 15
- Note holding functions no functions 15
- Part 2 specifications 16
- Specifications 16
- Cooling only 17
- Hz 230v 17
- Specifications 17
- Specifications sienbe04 507a 17
- Hz 230v 18
- Sienbe04 507a specifications 18
- Specifications 9 18
- Hz 230v 19
- Specifications 19
- Specifications sienbe04 507a 19
- Hz 230v 20
- Sienbe04 507a specifications 20
- Specifications 11 20
- Hz 230v 21
- Specifications 21
- Specifications sienbe04 507a 21
- Hz 230v 22
- Sienbe04 507a specifications 22
- Specifications 13 22
- Hz 230v 23
- Specifications 23
- Specifications sienbe04 507a 23
- Hz 230v 24
- Sienbe04 507a specifications 24
- Specifications 15 24
- Hz 230v 25
- Specifications 25
- Specifications sienbe04 507a 25
- Hz 230v 26
- Sienbe04 507a specifications 26
- Specifications 17 26
- Hz 230v 27
- Specifications 27
- Specifications sienbe04 507a 27
- Hz 230v 28
- Sienbe04 507a specifications 28
- Specifications 19 28
- Hz 230v 29
- Specifications 29
- Specifications sienbe04 507a 29
- Heat pump 30
- Hz 230v 30
- Sienbe04 507a specifications 30
- Specifications 21 30
- Hz 230v 31
- Specifications 31
- Specifications sienbe04 507a 31
- Hz 230v 32
- Sienbe04 507a specifications 32
- Specifications 23 32
- Hz 230v 33
- Specifications 33
- Specifications sienbe04 507a 33
- Hz 230v 34
- Sienbe04 507a specifications 34
- Specifications 25 34
- Hz 230v 35
- Specifications 35
- Specifications sienbe04 507a 35
- Hz 230v 36
- Sienbe04 507a specifications 36
- Specifications 27 36
- Hz 230v 37
- Specifications 37
- Specifications sienbe04 507a 37
- Hz 230v 38
- Sienbe04 507a specifications 38
- Specifications 29 38
- Hz 230v 39
- Specifications 39
- Specifications sienbe04 507a 39
- Hz 230v 40
- Sienbe04 507a specifications 40
- Specifications 31 40
- Hz 230v 41
- Specifications 41
- Specifications sienbe04 507a 41
- Hz 230v 42
- Sienbe04 507a specifications 42
- Specifications 33 42
- Hz 230v 43
- Specifications 43
- Specifications sienbe04 507a 43
- Hz 230v 44
- Sienbe04 507a specifications 44
- Specifications 35 44
- Hz 230v 45
- Specifications 45
- Specifications sienbe04 507a 45
- Hz 230v 46
- Sienbe04 507a specifications 46
- Specifications 37 46
- Hz 230v 47
- Specifications 47
- Specifications sienbe04 507a 47
- Part 3 printed circuit board connector wiring diagram 48
- Printed circuit board connector wiring diagram 0 48
- Connectors 49
- Indoor unit 49
- Printed circuit board connector wiring diagram 49
- Pcb 1 control pcb 50
- Pcb 2 signal receiver pcb pcb 3 display pcb 50
- Pcb 4 intelligent eye sensor pcb 50
- Pcb detail 50
- Printed circuit board connector wiring diagram 41 50
- Sienbe04 507a printed circuit board connector wiring diagram 50
- Connectors 51
- Outdoor unit 51
- Pcb 1 filter pcb 52
- Pcb 2 control pcb outdoor unit 52
- Pcb detail 52
- Printed circuit board connector wiring diagram 43 52
- Sienbe04 507a printed circuit board connector wiring diagram 52
- Control specification 1 54
- Function of thermistor 9 54
- Main functions 6 54
- Part 4 function and control 54
- Additional control parameters 55
- Drawing of inverter 55
- Frequency principle 55
- Inverter principle 55
- Main control parameters 55
- Main functions 55
- Note see the list of functions for the functions applicable to different models 55
- 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 55
- The following drawing shows a schematic view of the inverter principle 55
- The target frequency is adapted by additional parameters in the following cases frequency restrictions initial settings forced cooling operation 55
- 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 55
- Forced cooling operation 56
- Frequency limits 56
- Inverter features 56
- Air flow direction control 57
- Auto swing 57
- Comfort airflow mode 57
- Power airflow dual flaps 57
- Wide angle louvres 57
- 25 35kw class 670 880 rpm during powerful operation 720 930 rpm 58
- Automatic air flow control for cooling 58
- Automatic air flow control for heating 58
- Control mode 58
- Fan speed control for indoor units 58
- For more information about hall ic refer to trouble shooting for fan motor on page 115 58
- Function and control 49 58
- Ll sl silent l ml m mh h hh powerful 58
- Note 1 during powerful operation fan rotates at h tap 50 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 the fan stops 58
- Phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh 58
- Phase steps 58
- Sienbe04 507a main functions 58
- Step cooling heating dry mode lll 58
- 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 58
- The following drawing explains the principle for fan speed control for heating 58
- The following drawing explains the principle of fan speed control for cooling 58
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 58
- In case of inverter units 59
- Programme dry function 59
- 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 59
- 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 59
- Automatic operation 60
- Detailed explanation of the function 60
- Cooling dry 61
- Function and control 61
- Heating 61
- Main functions sienbe04 507a 61
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 61
- The operation turns on in any zones except a 61
- The system resumes from defrost control in any zones except a 61
- Thermostat control 61
- Thermostat control is based on the difference between the room temperature and the setpoint 61
- Thermostat off condition the temperature difference is in the zone a 61
- Thermostat on condition the temperature difference is above the zone c after being in the zone a 61
- Cooling operation 62
- Function and control 53 62
- Heating operation 62
- Night set mode 62
- Sienbe04 507a main functions 62
- The night set circuit 62
- The night set circuit continues heating or cooling the room at the set temperature for the first one hour then automatically raises the temperature setting slightly in the case of cooling or lowers it slightly in the case of heating for economical operations this prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity 62
- When the off timer is set the night set circuit automatically activates the night set circuit maintains the airflow setting made by users 62
- Details 63
- Econo mode 63
- Outline 63
- Detection method by intelligent eye 64
- Function and control 55 64
- Intelligent eye 64
- Processing 64
- Sienbe04 507a main functions 64
- The motions for example in cooling 64
- 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 64
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 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 64
- 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 cool 2 c higher dry 1 c higher auto according to the operation mode at that time h 1 in case of fan mode the fan speed reduces by 50 rpm 64
- Others 65
- Details of the control 66
- Ex powerful operation in cooling mode 66
- 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 66
- Inverter powerful operation 66
- Outline 66
- 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 66
- Auto restart function 67
- Hot start function 67
- Mold proof air filter 67
- On off button on indoor unit 67
- Other functions 67
- Self diagnosis digital display 67
- Signal receiving sign 67
- Titanium apatite photocatalytic air purifying filter 67
- A outdoor heat exchanger thermistor dcb 68
- B discharge pipe thermistor dot 68
- C indoor heat exchanger thermistor dcn 68
- Function of thermistor 68
- Heat pump model 68
- A outdoor heat exchanger thermistor dcb 69
- B discharge pipe thermistor dot 69
- C indoor heat exchanger thermistor dcn 69
- Cooling only model 69
- Control specification 70
- Detail 70
- For cooling only model there are following models stop and cooling including drying 70
- For heat pump model there are following modes stop cooling includes drying heating include defrosting 70
- Mode hierarchy 70
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 70
- Outline 70
- There are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 70
- Detail 71
- Frequency control 71
- Outline 71
- Controls at mode changing start up 73
- Detail 73
- Four way valve operation compensation 73
- Four way valve switching 73
- Outline 73
- Outline of heating operation 73
- Preheating operation 73
- 3 minutes standby 74
- Compressor protection function 74
- Detail 74
- Discharge pipe control 74
- Divide the zone 74
- Management within the zones 74
- Outline 74
- Prohibit to turn on the compressor for 3 minutes after turning it off except when defrosting only for heat pump model 74
- 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 74
- 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 74
- Detail 75
- Frequency control in each zone drooping zone the maximum limit of the compressor frequency in this control is defined as operation frequency 2hz after this the output frequency is pulled down by 2hz every second until it reaches the steady zone keep zone the present maximum frequency goes on reset zone limit of the frequency is cancelled stop zone after 2 s in this zone the compressor is stopped 75
- Input current control 75
- Limitation of current drooping and stop value according to the outdoor air temperature 1 in case the operation mode is cooling 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 the current droops when outdoor air temperature becomes higher than a certain level model by model 75
- Outline 75
- 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 75
- Conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start control in each zone 76
- Conditions for start controlling judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start control in each zone the heat exchange intermediate temperature of indoor unit controls the following 76
- Detail 76
- During cooling operation the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger the signal from the indoor unit must be divided into the zones as the followings 76
- Freeze up protection control 76
- Function and control 67 76
- Heat pump only during heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure the signal from the indoor unit must be divided as follows 76
- Heating peak cut control 76
- Outline 76
- Sienbe04 507a control specification 76
- Detail 77
- Fan control 77
- Liquid compression protection function 2 77
- Outline 77
- 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 28 minutes of accumulated time pass since the start of the operation or ending the defrosting conditions for cancelling defrost the judgment must be made with heat exchanger temperature 4 c 22 c 78
- Defrost control 78
- Detail 78
- Function and control 69 78
- 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 78
- Outline 78
- Sienbe04 507a control specification 78
- Control specification sienbe04 507a 79
- Detail 79
- Electronic expansion valve control 79
- Function and control 79
- Outline 79
- 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 79
- The followings are the examples of control which function in each mode by the electronic expansion valve control 79
- Detail 80
- Disconnection of the discharge pipe thermistor 80
- Fully closing with power on 80
- High temperature of the discharge pipe 80
- Opening limit 80
- Outline 80
- Pressure equalization control 80
- Starting operation control 80
- Control when frequency is changed 81
- Target discharge pipe temperature control 81
- Detail 82
- Detection of overload and over current 82
- Insufficient gas control 82
- Malfunctions 82
- Outline 82
- Sensor malfunction detection 82
- Additional function 83
- Compressor operating frequency is increased to pi max max hz of operating room and outdoor unit airflow rate is increased 83
- Detail 83
- Forced cooling 83
- Forced operating mode includes only forced cooling 83
- Forced operation mode 83
- I judgment by power consumption when an output frequency is exceeds 55 hz and the input current is less than specified value the adjustment is made for insufficient gas 83
- Ii judgment by discharge pipe temperature when discharge pipe temperature is 30 c higher than target value and the electronic expansion value opening is 480 pulses max the adjustment is made for insufficient gas 83
- Iii judgment by the difference of temperature when the difference of the temperature is smaller than it is regarded as insufficient gas 83
- Outline 83
- Power supply voltage is detected each time equipment operation starts 83
- Powerful operation mode 83
- Voltage detection function 83
- Detail 84
- Facility setting jumper cooling at low outdoor temperature 84
- Outline 84
- Part 5 system configuration 86
- System configuration 8 2 instruction 9 86
- System configuration 87
- Caution 88
- Instruction 88
- Keep this manual where the operator can easily find them read this manual attentively before starting up the unit for safety reason the operator must read the following cautions carefully this manual classifies precautions into warnings and cautions be sure to follow all precautions below they are all important for ensuring safety 88
- Safety precautions 88
- Warning 88
- Consider nuisance to your neighbours from noises 89
- Electrical work 89
- For installation choose a place as described below a place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration a place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbours 89
- For power supply be sure to use a separate power circuit dedicated to the air conditioner 89
- Installation site 89
- Instruction sienbe04 507a 89
- Relocating the air conditioner requires specialized knowledge and skills please consult the dealer if relocation is necessary for moving or remodeling 89
- System configuration 89
- System relocation 89
- To install the air conditioner in the following types of environments consult the dealer places with an oily ambient or where steam or soot occurs salty environment such as coastal areas places where sulfide gas occurs such as hot springs places where snow may block the outdoor unit the drain from the outdoor unit must be discharged to a place of good drainage 89
- Indoor unit 90
- Names of parts 90
- Oudoor unit 91
- Arc433a50 4 92
- Remote control 92
- Preparation before operation 93
- Attention 94
- Receiver 94
- To fix the remote control holder on the wall 94
- To operate the remote control 94
- To set the clock 95
- Turn the breaker on 95
- Auto dry cool heat fan operation 96
- To change the temperature setting 96
- To start operation 96
- To stop operation 96
- To change the air flow rate setting 97
- Adjusting the air flow direction 98
- To adjust the horizontal blades flaps 98
- To adjust the vertical blades louvres 98
- Notes on comfort airflow operation 99
- Notes on flaps and louvres angles 99
- To cancel comfort airflow operation 99
- To start comfort airflow operation 99
- Powerful operation 100
- To cancel powerful operation 100
- To start powerful operation 100
- Outdoor unit silent operation 101
- To cancel outdoor unit silent operation 101
- To start outdoor unit silent operation 101
- Econo operation 102
- To cancel econo operation 102
- To start econo operation 102
- Instruction sienbe04 507a 103
- Intelligent eye operation 103
- On off 103
- System configuration 103
- To cancel the intelligent eye operation 103
- To start intelligent eye operation 103
- Caution 104
- Intelligent eye is useful for energy saving 104
- Notes on intelligent eye 104
- Timer operation 105
- To cancel the off timer operation 105
- To use off timer operation 105
- Attention 106
- To cancel on timer operation 106
- To combine on timer and off timer 106
- To use on timer operation 106
- Care and cleaning 107
- Caution 107
- Front panel 107
- Indoor unit outdoor unit and remote control 107
- Air filter 108
- Filters 108
- Maintenance 108
- Replacement 108
- Titanium apatite photocatalytic air purifying filter 108
- Before a long idle period 109
- Case explanation 110
- These cases are not troubles 110
- Troubleshooting 110
- Case check 111
- Check again 111
- Call the service shop immediately 112
- Disposal requirements 112
- Warning 112
- We recommend periodical maintenance 112
- Fault diagnosis 113
- Fault diagnosis by remote control 113
- Press the timer cancel button repeatedly until a continuous beep is produced 113
- Caution for diagnosis 06 2 problem symptoms and measures 07 3 service check function 08 4 troubleshooting 11 114
- Check 44 114
- Part 6 service diagnosis 114
- Caution for diagnosis 115
- Indicator lamps 115
- Location of operation lamp 115
- The operation lamp flashes when any of the following errors is detected 1 when a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions disabling equipment operation 2 when a signal transmission error occurs between the indoor and outdoor units in either case conduct the diagnostic procedure described in the following pages 115
- The outdoor unit has one green led leda on the pcb the flashing green led indicates normal condition of microcomputer operation 115
- Troubleshooting with led indication 115
- Problem symptoms and measures 116
- Arc433a50 4 117
- Check method 1 117
- Service check function 117
- Check method 2 118
- Displayed only when system down occurs 120
- Error codes and description 120
- Troubleshooting 120
- Indoor unit pcb abnormality 121
- Freeze up protection control or high pressure control 122
- Malfunction decision conditions 122
- Method of malfunction detection 122
- Remote controller display 122
- Supposed causes 122
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred caution 123
- Check no refer to p 46 123
- Service diagnosis 123
- Troubleshooting 123
- Troubleshooting sienbe04 507a 123
- Fan motor dc motor or related abnormality 124
- Malfunction decision conditions 124
- Method of malfunction detection 124
- Remote controller display 124
- Supposed causes 124
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 125
- Caution 125
- Check no 1 refer to p 44 125
- Service diagnosis 125
- Troubleshooting 125
- Troubleshooting sienbe04 507a 125
- Malfunction decision conditions 126
- Method of malfunction detection 126
- Remote controller display 126
- Supposed causes 126
- Thermistor or related abnormality indoor unit 126
- Troubleshooting 126
- Check no 0 refer to p 48 127
- 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 2 127
- Malfunction decision conditions 127
- Method of malfunction detection 127
- Remote controller display 127
- Service diagnosis 127
- Signal transmission error between indoor and outdoor unit 127
- Supposed causes 127
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 127
- Troubleshooting 127
- Troubleshooting sienbe04 507a 127
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 127
- Malfunction decision conditions 128
- Method of malfunction detection 128
- Remote controller display 128
- Service diagnosis 119 128
- Sienbe04 507a troubleshooting 128
- Supposed causes 128
- The pair type and multi type are interconnected 128
- The supply power is detected for its requirements different from pair type and multi type by the indoor outdoor transmission signal 128
- Troubleshooting 128
- Unspecified voltage between indoor and outdoor units 128
- Wrong models interconnected wrong indoor unit pcb mounted indoor unit pcb defective wrong outdoor unit pcb mounted or defective 128
- Malfunction decision conditions 129
- Method of malfunction detection 129
- Outdoor unit pcb abnormality 129
- Remote controller display 129
- Supposed causes 129
- Troubleshooting 129
- A compressor overload is detected through compressor ol 130
- Check no 1 refer to p 48 130
- Check no refer to p 44 130
- Check no refer to p 45 130
- Check no refer to p 46 130
- 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 130
- Malfunction decision conditions 130
- Method of malfunction detection 130
- Ol activation compressor overload 130
- Refrigerant shortage four way valve malfunctioning outdoor unit pcb defective water mixed in the local piping electronic expansion valve defective stop valve defective 130
- Remote controller display 130
- Service diagnosis 121 130
- Sienbe04 507a troubleshooting 130
- Supposed causes 130
- Troubleshooting 130
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 131
- Compressor lock 131
- Compressor locked compressor harness disconnected 131
- Malfunction decision conditions 131
- Method of malfunction detection 131
- Note if the model doesn t have spm replace the outdoor unit pcb 131
- Remote controller display 131
- Service diagnosis 131
- Supposed causes 131
- 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 10 minutes normal 131
- Troubleshooting 131
- Troubleshooting sienbe04 507a 131
- A fan motor or related error is detected by checking the high voltage fan motor rpm being detected by the hall ic 132
- Check no 5 refer to p 49 132
- Dc fan lock 132
- Fan motor breakdown harness or connector disconnected between fan motor and pcb or in poor contact foreign matters stuck in the fan 132
- Malfunction decision conditions 132
- Method of malfunction detection 132
- Remote controller display 132
- Service diagnosis 123 132
- Sienbe04 507a troubleshooting 132
- Supposed causes 132
- The fan does not start in 30 seconds even when the fan motor is running the system will be shut down if the error occurs 16 times clearing condition continuous run for about 10 minutes normal 132
- Troubleshooting 132
- An input over current is detected by checking the input current value with the compressor running 133
- Check no refer to p 47 133
- Input over current detection 133
- Malfunction decision conditions 133
- Method of malfunction detection 133
- Note if the model doesn t have spm replace the outdoor unit pcb 133
- 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 133
- Remote controller display 133
- Service diagnosis 133
- Supposed causes 133
- The following current with the compressor running continues for 2 seconds cooling heating above 12a 133
- Troubleshooting 133
- Troubleshooting sienbe04 507a 133
- Four way valve abnormality 134
- Malfunction decision conditions 134
- Method of malfunction detection 134
- Remote controller display 134
- Supposed causes 134
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 135
- Caution 135
- Check no 1 refer to p 48 135
- Check no refer to p 45 135
- Check no refer to p 46 135
- Service diagnosis 135
- Troubleshooting 135
- Troubleshooting sienbe04 507a 135
- 1 above 45hz rising above 40hz dropping 110 97 2 30 45hz rising 25 40hz dropping 105 92 3 below 30hz rising below 25hz dropping 99 86 136
- Check no 1 refer to p 48 136
- Check no refer to p 44 136
- Check no refer to p 46 136
- Discharge pipe temperature control 136
- If a stop takes place 4 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 136
- Malfunction decision conditions 136
- Method of malfunction detection 136
- 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 136
- Remote controller display 136
- Service diagnosis 127 136
- Sienbe04 507a troubleshooting 136
- Stop temperatures 136
- Supposed causes 136
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 136
- 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 136
- Troubleshooting 136
- High pressure control in cooling 137
- Malfunction decision conditions 137
- Method of malfunction detection 137
- Remote controller display 137
- Supposed causes 137
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 138
- Caution 138
- Check no refer to p 44 138
- Check no refer to p 46 138
- Check no refer to p 47 138
- Check no refer to p 48 138
- Service diagnosis 129 138
- Sienbe04 507a troubleshooting 138
- Troubleshooting 138
- Compressor system sensor abnormality 139
- A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 140
- Check no 3 refer to p 49 140
- Compressor relay cable disconnected compressor itself defective outdoor unit pcb defective stop valve closed input voltage out of specification 140
- Malfunction decision conditions 140
- Method of malfunction detection 140
- Position sensor abnormality 140
- Remote controller display 140
- Service diagnosis 131 140
- Sienbe04 507a troubleshooting 140
- Supposed causes 140
- The compressor fails to start in about 15 seconds after the compressor run command signal is sent clearing condition continuous run for about 10 minutes normal the system will be shut down if the error occurs 16 times 140
- Troubleshooting 140
- Dc voltage current sensor abnormality 141
- Malfunction decision conditions 142
- Method of malfunction detection 142
- P4 j3 j6 h9 142
- Remote controller display 142
- Supposed causes 142
- Thermistor or related abnormality outdoor unit 142
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 143
- Caution 143
- Check no refer to p 46 143
- P4 radiation fin thermistor j3 discharge pipe thermistor j6 outdoor heat exchanger thermistor h9 outdoor air temperature thermistor 143
- Service diagnosis 143
- Troubleshooting 143
- Troubleshooting sienbe04 507a 143
- Electrical box temperature rise 144
- Malfunction decision conditions 144
- Method of malfunction detection 144
- Remote controller display 144
- Supposed causes 144
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 145
- Caution 145
- Check no refer to p 46 145
- Check no refer to p 47 145
- Check no refer to p 48 145
- Service diagnosis 145
- Troubleshooting 145
- Troubleshooting sienbe04 507a 145
- Malfunction decision conditions 146
- Method of malfunction detection 146
- Radiation fin temperature rise 146
- Remote controller display 146
- Supposed causes 146
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 147
- Check no refer to p 46 147
- Check no refer to p 47 147
- Check no refer to p 48 147
- Service diagnosis 147
- Troubleshooting 147
- Troubleshooting sienbe04 507a 147
- Malfunction decision conditions 148
- Method of malfunction detection 148
- Output over current detection 148
- Remote controller display 148
- Supposed causes 148
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 149
- Caution 149
- Check no 3 refer to p 49 149
- Check no refer to p 47 149
- Note if the model doesn t have spm replace the outdoor unit pcb 149
- Service diagnosis 149
- Troubleshooting 149
- Troubleshooting sienbe04 507a 149
- Insufficient gas 150
- Malfunction decision conditions 150
- Method of malfunction detection 150
- Remote controller display 150
- Supposed causes 150
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 151
- Check no refer to p 44 151
- Check no refer to p 46 151
- Service diagnosis 151
- Troubleshooting 151
- Troubleshooting sienbe04 507a 151
- An abnormal voltage rise is detected by checking the specified over voltage detection circuit 152
- 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 255 times clearing condition continuous run for about 10 minutes normal 152
- Malfunction decision conditions 152
- Method of malfunction detection 152
- Note if the model doesn t have spm replace the outdoor unit pcb 152
- Over voltage detection 152
- Remote controller display 152
- Service diagnosis 143 152
- Sienbe04 507a troubleshooting 152
- Supply voltage not as specified over voltage detection circuit defective pam control part s defective 152
- Supposed causes 152
- Troubleshooting 152
- Check no 153
- Check no 1 153
- Electronic expansion valve check 153
- Fan motor connector output check 153
- How to check 153
- Check no 154
- Four way valve performance check 154
- Service diagnosis 145 154
- Sienbe04 507a check 154
- Check no 155
- R25 20k b 3950 155
- Tester 155
- Thermistor resistance check 155
- Check no 156
- Discharge pressure check 156
- Installation condition check 156
- Service diagnosis 147 156
- Sienbe04 507a check 156
- Check no 157
- Check no 0 157
- Check no 1 157
- Check sienbe04 507a 157
- Dc motor 157
- Fig fig 157
- Inverter units refrigerant system check 157
- 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 157
- Outdoor unit fan system check 157
- Power supply waveforms check 157
- Service diagnosis 157
- Check no 3 158
- Check no 5 158
- 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 158
- If the fuse is blown out the outdoor unit fan may also be in trouble check the fan too if the voltage in step 2 is not applied it means the pcb is defective replace the pcb if the pulse in step 4 is not available it means the hall ic is defective replace the dc fan motor if there are both the voltage 2 and the pulse 4 replace the pcb 158
- Make sure the voltage of 270 30v is being applied 1 stop the operation first and then the power off and disconnect the connector s70 2 make sure there is about dc 270 v between pins 4 and 7 3 with the system and the power still off reconnect the connector s70 4 make a turn of the fan motor with a hand and make sure the pulse 0 15 v appears twice at pins 1 and 4 158
- Note check to make sure that the voltage between the terminal of power transistor and is approx 0 volt before checking power transistor 158
- Power transistor check 158
- Propeller fan motor s70 158
- Turning speed pulse input on the outdoor unit pcb check 158
- Indoor unit 52 160
- Outdoor unit 83 160
- Part 7 160
- Part 7 removal procedure 160
- Removal procedure 160
- Indoor unit 161
- Procedure 161
- Removal of air filter 161
- Procedure 163
- Removal of front panel 163
- Remove the front panel caution on mounting when mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position 164
- Procedure 165
- Removal of front grille 165
- Procedure 168
- Removal of horizontal blades and vertical blades 168
- Remove the horizontal blade small while bending the fixed part at the centre slightly 169
- Removing the horizontal blade small 169
- Unfasten the key type fixing shaft at the right side 169
- Unfasten the left side 169
- Procedure 171
- Removal of electrical box 171
- Procedure 174
- Removal of pcb 174
- Indoor unit sienbe04 507a 179
- Lead free solder pbf is used for the pcb when replacing the pcb use the specific solder and soldering iron 179
- Lift up the bottom of the control pcb and pull it out 179
- Removal procedure 179
- S1 to dc fan motor s6 to swing motor s21 ha connector s26 to display pcb s28 to signal receiver pcb s32 to heat exchanger thermistor s35 to intelligent eye pcb 179
- Step procedure points 179
- The figures show the names of the pcb component parts 179
- When mounting the control pcb make sure that it is fixed by upper hooks 179
- Procedure 180
- Removal of drain pan unit 180
- Procedure 184
- Removal of fan motor 184
- Remove the fan motor 185
- Unfasten the hook a of the fan motor fixing plate with your thumb 185
- Unfasten the hook c 185
- Procedure 186
- Removal of heat exchanger 186
- Procedure 189
- Removal of fan rotor 189
- Outdoor unit 192
- Procedure 192
- Removal of panels and fan motor 192
- Loosen the 2 screws on the rear side 197
- Loosen the 3 screws on the right side 197
- Loosen the screw and lift the connection port to remove 197
- Remove the right side panel 197
- When reassembling make sure to fit the hook 198
- Procedure 199
- Removal of electrical box 199
- Procedure 201
- Removal of reactor and partition plate 201
- Procedure 203
- Removal of sound blanket 203
- Procedure 205
- Removal of four way valve 205
- Procedure 207
- Removal of compressor 207
- Heat up the brazed part of the suction side and disconnect 208
- Lift the compressor up and remove it 208
- Procedure 209
- Removal of pcb 209
- Lift and pull out the pcb 210
- Loosen the 4 screws 210
- Undo the 3 hooks on the upper side 210
- Feature of the pcb s70 fan motor s80 four way valve s90 thermistor outdoor air heat exchanger discharge pipe 211
- Outdoor unit sienbe04 507a 211
- Procedure points 211
- Removal procedure 211
- Others 04 212
- Part 8 others 212
- For cooling only 213
- For heat pump 213
- Others 213
- Test run from the remote controller 213
- 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 214
- Jumper setting 214
- Jumper settings 214
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 214
- When two units are installed in one room 214
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 214
- Part 9 appendix 216
- Piping diagrams 08 216
- Wiring diagrams 11 216
- D047912c 217
- Indoor unit 217
- Indoor units 217
- Piping diagrams 217
- Refrigerant flow cooling heating 217
- Cooling only 218
- Outdoor units 218
- Rks20 25dvmb rks20 25d2vmb rks20 25d3vmb 218
- Rks35dvmb rks35d2vmb rks35d3vmb 218
- Appendix 219
- Heat pump 219
- Piping diagrams sienbe04 507a 219
- Rxs20 25dvmb rxs20 25d2vmb rxs20 25d3vmb 219
- Rxs35dvmb rxs35d2vmb rxs35d3vmb 219
- Caution caution 220
- Connector 220
- Control 220
- D046707c 220
- D051268a 220
- Fan motor 220
- Field wiring 220
- Frame ground 220
- Ftk x s20 25 35d3vmw l 220
- H1p h3p 220
- Indoor 220
- Indoor units 220
- Infrared 220
- Intelligent eye sensor 220
- Led1 h1p 220
- Note that operation will restart automatically if the main power supply is caution turned off and then back on again 220
- Operation switch 220
- Outdoor 220
- Outdoor units 220
- Pcb1 pcb4 220
- Pilot lamp 220
- Printed circuit board 220
- Protective earth 220
- R1t r2t 220
- Receiver receiver 220
- Rectifier 220
- Remote 220
- Rk x s20 25 35dvmb rk x s20 25 35d2vmb rk x s20 25 35d3vmb 220
- S1 s38 220
- Signal signal 220
- Swing motor 220
- Terminal strip 220
- Thermistor 220
- Transmission circuit 220
- Wiring diagrams 220
- Ylw pnk 220
- Numerics 222
- Drawings flow charts 226
- Inverter pair 228
- Inverter pair wall mounted type d series 228
- Manual 228
- Service 228
- Siebe04 507a 228
- Wall mounted type d series 228
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