Daikin FLXS35BAVMB9 Сервис мануал онлайн
Service
Manual
Inverter Pair
Floor / Ceiling Suspended Dual Type
BA-Series
SiBE05-722ED
[Applied Models]
●
Inverter Pair : Cooling Only
● Inverter Pair : Heat Pump
Содержание
- Floor ceiling suspended dual type ba series 1
- Inverter pair 1
- Manual 1
- Service 1
- Sibe05 722ed 1
- Inverter pair floor ceiling suspended dual type ba series 2
- Function of thermistor 8 3 control specification 9 3
- Functions 3
- Indoor unit 8 2 outdoor unit 0 3
- Main functions 7 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 6 3
- Safety cautions v 3
- Specifications 3
- Table of contents 3
- Used icons x 3
- Check 9 4
- General problem symptoms and check items 7 2 troubleshooting with led 8 4
- Part 5 remote controller 3 4
- Part 6 service diagnosis 6 4
- Remote controller 4 4
- Service diagnosis 9 4 troubleshooting 2 4
- Part 7 trial operation and field settings 11 5
- Part 8 appendix 19 5
- Piping diagrams 20 5
- Pump down operation 12 2 forced cooling operation 13 3 trial operation 14 4 field settings 15 5
- Silicon grease on power transistor diode bridge 18 5
- Wiring diagrams 23 5
- Be sure to read the following safety cautions before conducting repair work after the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer 6
- Caution items the caution items are classified into warning and caution the warning items are especially important since they can lead to death or serious injury if they are not followed closely the caution items can also lead to serious accidents under some conditions if they are not followed therefore be sure to observe all the safety caution items described below 6
- Pictograms this symbol indicates the item for which caution must be exercised the pictogram shows the item to which attention must be paid this symbol indicates the prohibited action the prohibited item or action is shown in the illustration or near the symbol this symbol indicates the action that must be taken or the instruction the instruction is shown in the illustration or near the symbol 6
- Safety cautions 6
- Warning 6
- Warnings and cautions regarding safety of workers 6
- Caution 7
- Warning 7
- Caution 8
- Warning 8
- Warnings and cautions regarding safety of users 8
- Caution 9
- Warning 9
- Caution 10
- The following icons are used to attract the attention of the reader to specific information 11
- Used icons 11
- Functions 12
- Part 1 list of functions 12
- Available not available 13
- Functions 13
- List of functions 2 13
- Sibe05 722ed functions 13
- Available not available 14
- Functions sibe05 722ed 14
- List of functions 14
- Available not available 15
- List of functions 4 15
- Sibe05 722ed functions 15
- Available not available 16
- Functions sibe05 722ed 16
- List of functions 16
- Available not available 17
- List of functions 6 17
- Sibe05 722ed functions 17
- Part 2 specifications 18
- Specifications 18
- Cooling only 19
- Hz 220 230 240 v 19
- Sibe05 722ed specifications 19
- Specifications 19
- Specifications 8 19
- Hz 220 230 240 v 20
- Specifications 20
- Specifications sibe05 722ed 20
- Hz 220 230 240 v 21
- Sibe05 722ed specifications 21
- Specifications 10 21
- Heat pump 22
- Hz 220 230 240 v 22
- Specifications 22
- Specifications sibe05 722ed 22
- Hz 220 230 240 v 23
- Sibe05 722ed specifications 23
- Specifications 12 23
- Hz 220 230 240 v 24
- Specifications 24
- Specifications sibe05 722ed 24
- Hz 220 230 240 v 25
- Sibe05 722ed specifications 25
- Specifications 14 25
- Hz 220 230 240 v 26
- Specifications 26
- Specifications sibe05 722ed 26
- Hz 220 230 240 v 27
- Sibe05 722ed specifications 27
- Specifications 16 27
- Indoor unit 8 2 outdoor unit 0 28
- Part 3 printed circuit board connector wiring diagram 28
- Indoor unit 29
- Outdoor unit 31
- Rk x s25 35e2v1b 31
- Rk x s25 35g2v1b 33
- Rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 35
- Function of thermistor 8 3 control specification 9 37
- Main functions 7 37
- Part 4 function and control 37
- Frequency principle 38
- Main functions 38
- Temperature control 38
- Comfortable air conditioning a fine adjustment is integrated to keep the room temperature constant 39
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 39
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 39
- Even during extreme cold weather high capacity is achieved it is maintained even when the outdoor temperature is 2 c 39
- Forced cooling operation refer to page 113 for detail 39
- Frequency limits the following functions regulate the minimum and maximum frequency 39
- Inverter features the inverter provides the following features 39
- Quick heating and quick cooling the rotation speed of the compressor is increased when starting the heating or cooling this enables to reach the set temperature quickly 39
- The regulating capacity can be changed according to the changes in the outdoor temperature and cooling heating load 39
- Airflow direction control 40
- Auto swing the following table explains the auto swing process for cooling dry fan and heating 40
- Automatic fan speed control in automatic fan speed operation the step sl is not available 40
- Fan speed control for indoor unit 40
- In heating operation the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermistor temperature and the target temperature 40
- Outline phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh the airflow rate can be automatically controlled depending on the difference between the room thermistor temperature and the target temperature 40
- The airflow rate is automatically controlled within this range when the fan setting button is set to automatic 40
- The following drawing explains the principle of fan speed control for cooling 40
- Detail the microcomputer automatically sets the temperature and airflow rate the difference between the room thermistor temperature at start up and the target temperature is divided into two zones then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level 41
- Outline program dry operation removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and airflow rate the temperature adjustment and fan setting buttons are inoperable 41
- Program dry operation 41
- Y 0 ºc 41
- Zone a thermostat off 41
- Zone b zone b 41
- Zone c thermostat on 41
- Automatic operation 42
- Thermostat control 43
- Detail night set mode continues operation at the target temperature for the first one hour then automatically raises the target temperature slightly in the case of cooling or lowers it slightly in the case of heating this prevents excessive cooling in summer and excessive heating in winter to ensure comfortable sleeping conditions and also conserves electricity 44
- Function and control 44
- Main functions sibe05 722ed 44
- Night set mode 44
- Outline when the off timer is set night set mode is automatically activated night set mode keeps the airflow rate setting 44
- Home leave operation 45
- 50 rpm 46
- Detail when the powerful button is pressed the fan speed and target temperature are converted to the following states for 20 minutes 46
- Ex powerful operation in cooling 46
- Inverter powerful operation 46
- Note 1 the set temperature and airflow rate are recorded in the remote controller when the remote controller is reset due to battery replacement the temperature and airflow rate for home leave operation needs to be set again 2 the operation mode cannot be changed while home leave operation is being used 46
- Outline in order to exploit the cooling and heating capacity to full extent the air conditioner can be operated by increasing the indoor fan rotating speed and the compressor frequency 46
- Press the home leave button make sure is displayed on the remote controller 2 adjust the temperature with the or button 3 adjust the airflow rate with the fan button home leave operation will run with these settings the next time you start home leave operation to change the recorded information repeat steps 1 3 46
- Setting temperature and airflow rate when using home leave operation for the first time set your preferred temperature and airflow rate for home leave operation 46
- Clock setting 47
- Air purifying filter 48
- Auto restart function 48
- Hot start function 48
- Indoor unit on off button 48
- Other functions 48
- Photocatalytic deodorizing filter 48
- Signal receiving sign 48
- Function of thermistor 49
- Control specification 50
- Control specification sibe05 722ed 50
- Detail cooling only model 50
- Function and control 50
- Heat pump model 50
- Mode hierarchy 50
- Note unless specified otherwise a dry operation command is regarded as cooling operation 50
- Outline the air conditioner control has normal operation mode forced operation mode and power transistor test mode for installation and servicing 50
- Frequency control 51
- D signal and is used for frequency command 52
- D signal and the q value of the indoor unit 52
- D value is calculated in each sampling time 15 20 seconds and the frequency is adjusted according to its difference from the frequency previously calculated 52
- D value is high the frequency is increased 52
- D value is low the frequency is lowered when the 52
- D value when the 52
- Determine lower limit frequency 52
- Determine prohibited frequency 52
- For controlling lower limit frequency management is carried out only when the frequency rises 52
- Frequency management when other controls are functioning 52
- I control if the operating frequency does not change for more than a certain fixed time the frequency is adjusted according to the 52
- Initial frequency when starting the compressor the frequency is initialized according to the 52
- Off thermostat off 52
- Pi control 1 p control the 52
- Q value is the indoor unit output determined from indoor heat exchanger volume and airflow rate set by remote controller 52
- The difference between the room thermistor temperature and the target temperature is recognized as the 52
- The maximum value is set as a lower limit frequency among the frequency lower limits of the following functions four way valve operation compensation draft prevention pressure difference upkeep 52
- There is a certain prohibited frequency such as a power supply frequency 52
- Upper and lower limit of frequency by pi control the frequency upper and lower limits are set according to the command of the indoor unit when the indoor or outdoor unit quiet operation command comes from the indoor unit the upper limit frequency is lower than the usual setting 52
- When frequency is dropping frequency management is carried out only when the frequency drops 52
- Controls at mode changing start up 53
- Four way valve switching 53
- Preheating control 53
- 3 minute standby 54
- Compressor protection function 54
- Detail starting conditions 1 when the compressor starts and the four way valve switches from off to on 2 when the four way valve switches from on to off during operation 3 when the compressor starts after resetting 4 when the compressor starts after the fault of four way valve switching the lower limit of frequency keeps a hz for b seconds with any conditions 1 through 4 above 54
- Four way valve operation compensation 54
- Outline at the beginning of operation as the four way valve is switched the pressure difference to activate the four way valve is acquired when the output frequency is higher than a certain fixed frequency for a certain fixed time 54
- Turning on the compressor is prohibited for 3 minutes after turning it off the function is not activated when defrosting 54
- When turning the compressor from off to on the upper limit of frequency is set as follows the function is not activated when defrosting 54
- Detail 55
- Discharge pipe temperature control 55
- Outline the discharge pipe temperature is used as the internal temperature of the compressor if the discharge pipe temperature rises above a certain level the upper limit of frequency is set to keep the discharge pipe temperature from rising further 55
- After 2 seconds in this zone the compressor is stopped dropping zone 56
- After this the output frequency is lowered by 2 hz every second until it reaches the keep zone keep zone 56
- Detail 56
- Frequency control in each zone stop zone 56
- Input current control 56
- Limit of the frequency is canceled 56
- Limitation of current dropping and stop value according to the outdoor temperature 56
- Outline the microcomputer calculates the input current while the compressor is running and sets the frequency upper limit based on the input current in case of heat pump models this control is the upper limit control of frequency and takes priority over the lower limit control of four way valve operation compensation 56
- The current drops when outdoor temperature becomes higher than a certain level depending on the model 56
- The present maximum frequency goes on reset zone 56
- The upper limit of the compressor frequency is defined as operation frequency 2 hz 56
- During cooling operation the signal sent from the indoor unit controls the operating frequency limitation and prevents freezing of the indoor heat exchanger the signal from the indoor unit is divided into zones the operating frequency limitation is judged with the indoor heat exchanger temperature 57
- During heating operation the indoor heat exchanger temperature determines the frequency upper limit to prevent abnormal high pressure the operating frequency limitation is judged with the indoor heat exchanger temperature 57
- Freeze up protection control 57
- Heating peak cut control 57
- Liquid compression protection function 58
- Outdoor fan control 58
- Conditions for canceling defrost the judgment is made with the outdoor heat exchanger temperature b c 59
- Defrost control 59
- Detail conditions for starting defrost 59
- More than a minutes of accumulated time pass after the start of the operation or ending the previous defrosting 59
- Outline defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than a certain value to finish defrosting 59
- The compressor operates for 6 minutes 59
- The starting conditions are determined with the outdoor temperature and the outdoor heat exchanger temperature 59
- The system is in heating operation 59
- Available not available 60
- Control specification sibe05 722ed 60
- Detail the followings are the examples of electronic expansion valve control which function in each operation mode 60
- Electronic expansion valve control 60
- Function and control 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 electronic expansion valve control when the frequency changes 3 electronic expansion valve control for defrosting 4 electronic expansion valve control when the discharge pipe temperature is abnormally high 5 electronic expansion valve control when the discharge pipe thermistor is disconnected feedback control target discharge pipe temperature control 60
- Control when the frequency changes 61
- Fully closing with power on 61
- High discharge pipe temperature control 61
- Opening limit control 61
- Pressure equalizing control 61
- Starting operation control 61
- Discharge pipe thermistor disconnection control 62
- Target discharge pipe temperature control 62
- Detection of overcurrent and overload 63
- Malfunctions 63
- Refrigerant shortage detection 63
- Sensor malfunction detection 63
- Part 5 remote controller 64
- Remote controller 4 64
- Button 65
- Display lcd 65
- Home leav 65
- Note refer to the operation manual of applicable model for detail you can download operation manuals from distributor s page distributor s page 65
- On off button 65
- Operation installation manual url http global daikin com daikin global distributors_admin user_mng login php 65
- Powerfu 65
- Product information 65
- Reference refer to the following pages for detail 65
- Remote controller 65
- Signal transmitter 65
- Temperature adjustment buttons 65
- Button 66
- Fan setting button 66
- Mode button 66
- Note refer to the operation manual of applicable model for detail you can download operation manuals from distributor s page distributor s page 66
- Off timer button 66
- On timer button 66
- Open the front cover 66
- Operation installation manual url http global daikin com daikin global distributors_admin user_mng login php 66
- Product information 66
- Quiet button 66
- Reference refer to the following pages for detail 66
- Reset button 66
- Timer cancel button 66
- Timer setting button 66
- Check 9 67
- General problem symptoms and check items 7 2 troubleshooting with led 8 67
- Part 6 service diagnosis 67
- Service diagnosis 9 4 troubleshooting 2 67
- General problem symptoms and check items 68
- Indoor unit 69
- Outdoor unit 69
- Troubleshooting with led 69
- Is displayed on the temperature display screen 70
- Method 1 1 when the timer cancel button is held down for 5 seconds 70
- Note 1 a short beep or two consecutive beeps indicate non corresponding codes 2 to return to the normal mode hold the timer cancel button down for 5 seconds when the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 not all the error codes are displayed when you cannot find the error code try method 2 70
- Press the timer cancel button repeatedly until a long beep sounds 70
- Refer to page 60 70
- Service diagnosis 70
- The code indication changes in the sequence shown below 70
- Timer cancel button 70
- Displayed only when system down occurs 73
- Error codes and description 73
- Troubleshooting 73
- Defective indoor unit pcb 74
- Disconnection of connector 74
- Error code 74
- Error decision conditions the system cannot set the internal settings 74
- Indoor unit pcb abnormality 74
- Method of error detection the system checks if the circuit works properly within the microcomputer of the indoor unit 74
- Note check the following connector 74
- Reduction of power supply voltage 74
- Supposed causes 74
- Troubleshooting 74
- Wrong models interconnected 74
- Check no 1 refer to p 9 75
- Clogged air filter of the indoor unit 75
- Defective indoor heat exchanger thermistor 75
- Defective indoor unit pcb 75
- Dust accumulation on the indoor heat exchanger 75
- Error code 75
- Error decision conditions 75
- Freeze up protection control during cooling operation the freeze up protection control operation halt is activated according to the temperature detected by the indoor heat exchanger thermistor 75
- Freeze up protection control during cooling operation the indoor heat exchanger temperature is below 0 c 75
- Freeze up protection control heating peak cut control 75
- Heating peak cut control during heating operation the indoor heat exchanger temperature is above 65 c 75
- Heating peak cut control during heating operation the temperature detected by the indoor heat exchanger thermistor is used for the heating peak cut control operation halt outdoor fan stop etc 75
- Method of error detection 75
- Short circuited air 75
- Supposed causes 75
- Troubleshooting 75
- Fan motor ac motor or related abnormality 76
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 77
- Caution 77
- Check no 4 refer to p 00 77
- Service diagnosis 66 77
- Sibe05 722ed troubleshooting 77
- Troubleshooting 77
- Thermistor or related abnormality indoor unit 78
- Refrigerant shortage 79
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 80
- Caution 80
- Check no 1 refer to p 9 80
- Check no 2 refer to p 01 80
- Service diagnosis 80
- Troubleshooting 80
- Troubleshooting sibe05 722ed 80
- Low voltage detection or over voltage detection 81
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 82
- Service diagnosis 82
- Troubleshooting 82
- Troubleshooting sibe05 722ed 82
- Signal transmission error between indoor unit and outdoor unit 83
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 84
- Caution 84
- Check no 1 refer to p 00 84
- Service diagnosis 84
- Troubleshooting 84
- Troubleshooting sibe05 722ed 84
- Defective indoor unit pcb 85
- Defective outdoor unit pcb 85
- Error code 85
- Error decision conditions the pair type and multi type are interconnected 85
- Method of error detection the supply power is detected for its requirements pair type is different from multi type by the indoor outdoor transmission signal 85
- Supposed causes 85
- Troubleshooting 85
- Unspecified voltage between indoor unit and outdoor unit 85
- Wrong indoor unit pcb or outdoor unit pcb mounted 85
- Wrong models interconnected 85
- Wrong wiring of connecting wires 85
- Broken harness between pcbs 86
- Defective outdoor unit pcb 86
- Error code 86
- Error decision conditions 86
- Method of error detection 86
- Momentary drop of voltage 86
- Momentary power failure 86
- Outdoor unit pcb abnormality 86
- Supposed causes 86
- The microprocessor program runs out of control 86
- The system checks if the microprocessor is working in order 86
- The system checks if the zero cross signal comes in properly 86
- The zero cross signal is not detected 86
- Troubleshooting 86
- Ol activation compressor overload 87
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 88
- Caution 88
- Check no 1 refer to p 9 88
- Check no 2 refer to p 01 88
- Check no 3 refer to p 02 88
- Check no 4 refer to p 02 88
- Note ol q1l activating temperature 120 c ol q1l recovery temperature 95 c 88
- Service diagnosis 88
- Troubleshooting 88
- Troubleshooting sibe05 722ed 88
- A compressor lock is detected by the current waveform generated when applying high frequency voltage to the motor 89
- Check no 5 refer to p 03 89
- Compressor harness disconnected 89
- Compressor lock 89
- Compressor locked 89
- Error code 89
- Error decision conditions 89
- If the error repeats the system is shut down 89
- Method of error detection a compressor lock is detected by checking the compressor running condition through the position detection circuit 89
- Reset condition continuous run for about 11 minutes without any other error 89
- Supposed causes 89
- Troubleshooting 89
- Check no 6 refer to p 04 90
- Dc fan lock 90
- Defective fan motor 90
- Defective outdoor unit pcb 90
- Disconnection of the fan motor 90
- Error code 90
- Error decision conditions 90
- Foreign matter stuck in the fan 90
- If the error repeats the system is shut down 90
- Method of error detection an error is determined with the high voltage fan motor rotation speed detected by the hall ic 90
- Reset condition continuous run for about 11 minutes without any other error 90
- Supposed causes 90
- The fan does not start in about 15 60 seconds even when the fan motor is running 90
- Troubleshooting 90
- Check no 5 refer to p 03 91
- Check no 7 refer to p 05 91
- Check no 8 refer to p 06 91
- Defective compressor 91
- Defective outdoor unit pcb 91
- Defective power module 91
- Error code 91
- Error decision conditions the current exceeds about 9 5 a for 2 seconds with the compressor running the upper limit of the current decreases when the outdoor temperature exceeds a certain level 91
- Input overcurrent detection 91
- Method of error detection an input overcurrent is detected by checking the input current value with the compressor running 91
- Outdoor temperature is out of operation range 91
- Short circuit 91
- Supposed causes 91
- Troubleshooting 91
- Four way valve abnormality 92
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 93
- Check no 1 refer to p 9 93
- Check no 3 refer to p 02 93
- Check no 4 refer to p 02 93
- Service diagnosis 82 93
- Sibe05 722ed troubleshooting 93
- Troubleshooting 93
- Check no 1 refer to p 9 94
- Check no 2 refer to p 01 94
- Check no 4 refer to p 02 94
- Defective discharge pipe thermistor defective outdoor heat exchanger thermistor or outdoor temperature thermistor 94
- Defective electronic expansion valve or coil 94
- Defective four way valve 94
- Defective outdoor unit pcb 94
- Defective stop valve 94
- Discharge pipe temperature control 94
- Error code 94
- Error decision conditions 94
- If the error repeats the system is shut down 94
- If the temperature detected by the discharge pipe thermistor rises above a c the compressor stops 94
- Method of error detection an error is determined with the temperature detected by the discharge pipe thermistor 94
- Refrigerant shortage 94
- Reset condition continuous run for about 60 minutes without any other error 94
- Supposed causes 94
- The error is cleared when the discharge pipe temperature has dropped below b c 94
- Troubleshooting 94
- Water mixed in refrigerant 94
- Check no 1 refer to p 9 95
- Check no 2 refer to p 01 95
- Check no 7 refer to p 05 95
- Check no 8 refer to p 06 95
- Check no 9 refer to p 06 95
- Defective electronic expansion valve or coil 95
- Defective outdoor fan motor 95
- Defective outdoor heat exchanger thermistor 95
- Defective outdoor unit pcb 95
- Defective stop valve 95
- Dirty outdoor heat exchanger 95
- Error code 95
- Error decision conditions 95
- High pressure control in cooling 95
- Method of error detection high pressure control operation halt frequency drop etc is activated in cooling operation if the temperature sensed by the outdoor heat exchanger thermistor exceeds the limit 95
- Supposed causes 95
- The error is cleared when the temperature drops below about 50 55 c 95
- The installation space is not large enough 95
- The temperature sensed by the outdoor heat exchanger thermistor rises above about 65 c 95
- Troubleshooting 95
- Broken or disconnected harness 96
- Compressor system sensor abnormality 96
- Defective outdoor unit pcb 96
- Error code 96
- Error decision conditions 96
- Method of error detection the system checks the dc current before the compressor starts 96
- Supposed causes 96
- The dc current before compressor start up is out of the range 0 4 v sensor output converted to voltage value 96
- The dc voltage before compressor start up is below 50 v 96
- Troubleshooting 96
- Position sensor abnormality 97
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 98
- Check no 0 refer to p 07 98
- Check no 5 refer to p 03 98
- Check no 8 refer to p 06 98
- Service diagnosis 98
- Troubleshooting 98
- Troubleshooting sibe05 722ed 98
- Dc voltage current sensor abnormality 99
- Thermistor or related abnormality outdoor unit 100
- Caution 101
- Check no 1 refer to p 9 101
- Discharge pipe thermistor 101
- For rk x s25 35g2v1b rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 101
- In case of 101
- In case of rk x s25 35e2v1b 101
- Outdoor heat exchanger thermistor 101
- Outdoor temperature thermistor 101
- Radiation fin thermistor 101
- Service diagnosis 90 101
- Sibe05 722ed troubleshooting 101
- Troubleshooting 101
- Electrical box temperature rise 102
- A c b c c c 103
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 103
- Check no 1 refer to p 9 103
- Check no 7 refer to p 05 103
- Check no 9 refer to p 06 103
- Rk x s25 35e2v1b 80 70 80 103
- Service diagnosis 92 103
- Sibe05 722ed troubleshooting 103
- Troubleshooting rk x s25 35e2v1b 103
- A c b c c c rk x s25 35g2v1b 80 70 80 104
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 104
- Caution 104
- Check no 7 refer to p 05 104
- Check no 9 refer to p 06 104
- Rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 104
- Service diagnosis 104
- Troubleshooting rk x s25 35g2v1b rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 104
- Troubleshooting sibe05 722ed 104
- Radiation fin temperature rise 105
- A c rk x s25 35e2v1b 90 106
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 106
- Check no 1 refer to p 9 106
- Check no 7 refer to p 05 106
- Check no 9 refer to p 06 106
- Note refer to silicon grease on power transistor diode bridge on page 118 for detail 106
- Service diagnosis 106
- Troubleshooting rk x s25 35e2v1b 106
- Troubleshooting sibe05 722ed 106
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 107
- Caution 107
- Check no 7 refer to p 05 107
- Check no 9 refer to p 06 107
- Note refer to silicon grease on power transistor diode bridge on page 118 for detail 107
- Rk x s25 35g2v1b 90 rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 107
- Service diagnosis 96 107
- Sibe05 722ed troubleshooting 107
- Troubleshooting rk x s25 35g2v1b rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 107
- Output overcurrent detection 108
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 109
- Caution 109
- Check no 2 refer to p 09 109
- Check no 5 refer to p 03 109
- Check no 7 refer to p 05 109
- Check no 8 refer to p 06 109
- Service diagnosis 98 109
- Sibe05 722ed troubleshooting 109
- Troubleshooting 109
- Check no 1 disconnect the connectors of the thermistors from the pcb and measure the resistance of each thermistor using multimeter 110
- Thermistor resistance check 110
- When the connector of indoor heat exchanger thermistor is soldered on a pcb remove the thermistor and measure the resistance 110
- When the room temperature thermistor is soldered on a pcb remove the pcb from the control pcb to measure the resistance 110
- Hall ic check 111
- Power supply waveforms check 111
- Check no 2 conduct the followings to check the electronic expansion valve ev 1 check if the ev connector is correctly connected to the pcb 2 turn the power off and on again and check if the ev generates a latching sound 3 if the ev does not generate a latching sound in the above step 2 disconnect the connector and check the continuity using a multimeter 4 check the continuity between the pins 1 6 3 6 2 5 4 5 between the pins 1 6 2 6 3 6 4 6 for the harness 5p models if there is no continuity between the pins the ev coil is faulty 5 if the continuity is confirmed in step 3 the outdoor unit pcb is faulty 112
- Check sibe05 722ed 112
- Electronic expansion valve check 112
- Service diagnosis 112
- Check no 3 113
- Check no 4 113
- Four way valve performance check 113
- Inverter unit refrigerant system check 113
- Service diagnosis 102 113
- Sibe05 722ed check 113
- Inverter analyzer check 114
- Rotation pulse check on the outdoor unit pcb 115
- Check no 7 116
- Check sibe05 722ed 116
- Installation condition check 116
- Rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 1 check that the voltage between the pins 10 11 is 15 vdc 2 check if the hall ic generates the rotation pulse 0 15 vdc 4 times between the pins 10 12 10 13 when the fan motor is manually rotated once 116
- Service diagnosis 116
- Check no 8 117
- Check no 9 dc motor 117
- Discharge pressure check 117
- Outdoor fan system check 117
- Service diagnosis 106 117
- Sibe05 722ed check 117
- Main circuit short check 118
- Bridge 120
- Check no 2 120
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector 120
- Follow the procedure below to measure resistance between the or terminal of the power module or the diode bridge and the u v or w terminal of the compressor with a multimeter evaluate the measurement results referring to the following table 120
- Note check to make sure that the voltage between and of the power module or the diode bridge is approximately 0 v before checking 120
- Power module check 120
- Rk x s25 35e2v1b 120
- Rk x s25 35g2v1b 121
- Rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 121
- Part 7 trial operation and field settings 122
- Pump down operation 12 2 forced cooling operation 13 3 trial operation 14 4 field settings 15 122
- Silicon grease on power transistor diode bridge 18 122
- Pump down operation 123
- Caution when pressing the button do not touch the terminal board it has a high voltage and may cause electric shock 124
- Forced cooling operation 124
- Indoor unit 124
- Outdoor unit rk x s25 35e2v1b rk x s25 35g2v1b 124
- Outdoor unit rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 124
- Trial operation 125
- Field settings 126
- When 2 units are installed in 1 room 126
- Facility setting jumper cooling at low outdoor temperature 127
- Caution replace the pcb if you accidentally cut a wrong jumper jumpers are necessary for electronic circuit improper operation may occur if you cut any of them 128
- For the location of the jumper refer to the following pages indoor unit page 18 outdoor unit page 20 22 24 128
- For the location of the switch refer to page 18 128
- Jumper 128
- Jumper and switch settings 128
- Switch 128
- Silicon grease on power transistor diode bridge 129
- Part 8 appendix 130
- Piping diagrams 20 130
- Wiring diagrams 23 130
- Appendix 120 131
- Flks25 35bavmb flxs25 35bavmb flxs35bavmb9 131
- Indoor unit 131
- Piping diagrams 131
- Sibe05 722ed piping diagrams 131
- Appendix 132
- Cooling only 132
- Outdoor unit 132
- Piping diagrams sibe05 722ed 132
- Rks25 35e2v1b 132
- Rks25 35g2v1b rks25 35g2v1b9 132
- Appendix 122 133
- Heat pump 133
- Rxs25 35e2v1b 133
- Rxs25 35g2v1b rxs25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 133
- Sibe05 722ed piping diagrams 133
- Appendix 134
- Flk x s25 35bavmb flxs35bavmb9 134
- Indoor unit 134
- Outdoor unit 134
- Rk x s25 35e2v1b 134
- Wiring diagrams 134
- Wiring diagrams sibe05 722ed 134
- Appendix 124 135
- Rk x s25 35g2v1b 135
- Rk x s25 35g2v1b9 rxs25 35j2v1b rxs25k3v1b rxs35k2v1b rxs35l2v1b 135
- Sibe05 722ed wiring diagrams 135
- Revision history 136
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