![Daikin ATX35J3V1B [103/116] Outdoor fan system check](/img/pdf.png)
Daikin ATX35J3V1B [103/116] Outdoor fan system check
![Daikin ATX35J3V1B [103/116] Outdoor fan system check](/views2/1746279/page103/bg67.png)
SiBE041010EA Check
Service Diagnosis 92
5.11 Outdoor Fan System Check
Check No.19 DC motor
5.12 Main Circuit Short Check
Check No.20
Note: Make sure that the voltage between (+) and (–) of the diode bridge (DB1) is approximately
0 V before checking.
Measure the resistance between the pins of the DB1 referring to the table below.
If the resistance is ∞ or less than 1 kΩ, short circuit occurs on the main circuit.
(R15001)
YES
YES
NO
NO
Outdoor fan system is functioning.
Check the outdoor fan system.
Go to Check No. 16.
Outdoor fan running?
Fan motor
lead wire connector
disconnected?
Reconnect the connector.
Negative (–) terminal of
tester (positive terminal
(+) for digital tester)
~
(2, 3)
+
(4)
~
(2, 3)
–
(1)
Positive (+) terminal of
tester (negative terminal
(–) for digital tester)
+
(4)
~
(2, 3)
–
(1)
~
(2, 3)
Resistance is OK. several kΩ
~ several MΩ
∞∞
several kΩ
~ several MΩ
Resistance is NG. 0 Ω or
∞
000 Ω or
∞
(R19120)
Tester
–~~+
1
2
3
4
–
+
Содержание
- Inverter pair 1
- Manual 1
- Service 1
- Sibe041010ea 1
- Wall mounted type j series 1
- Heat pump 2
- Indoor unit 2
- Inverter pair wall mounted type j series 2
- Outdoor unit 2
- Function of thermistor 9 3 control specification 0 3
- Functions 3
- Indoor unit 4 2 outdoor unit 6 3
- Introduction v 3
- Main functions 9 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board connector wiring diagram 3 3
- Part 4 function and control 8 3
- Part 5 remote controller 2 3
- Remote controller 3 3
- Specifications 3
- Table of cotnents 3
- Check 5 4
- Part 6 service diagnosis 5 4
- Part 7 tips for servicing 4 4
- Problem symptoms and measures 7 3 service check function 8 4 troubleshooting 1 4
- Tips for servicing 5 4
- Troubleshooting with led 6 4
- Part 8 appendix 9 5
- Piping diagrams 00 5
- Removal procedure booklet no 03 5
- Silicon grease on power transistor diode bridge 8 5
- Trial operation 6 3 field settings 7 5
- Wiring diagrams 02 5
- Cautions regarding safety of workers 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Warning 7
- Caution 8
- Cautions regarding safety of users 8
- Warning 8
- Caution 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 11
- Used icons 11
- Functions 12
- Part 1 list of functions 12
- Available not available 13
- Functions 13
- List of functions 2 13
- Sibe041010ea functions 13
- Available not available 14
- Functions sibe041010ea 14
- List of functions 14
- Part 2 specifications 15
- Specifications 15
- Hz 230 v 16
- Specifications 16
- Specifications sibe041010ea 16
- Hz 230 v 17
- Sibe041010ea specifications 17
- Specifications 6 17
- Hz 230 v 18
- Specifications 18
- Specifications sibe041010ea 18
- Hz 230 v 19
- Sibe041010ea specifications 19
- Specifications 8 19
- Hz 230 v 20
- Specifications 20
- Specifications sibe041010ea 20
- Hz 230 v 21
- Sibe041010ea specifications 21
- Specifications 10 21
- Hz 230 v 22
- Specifications 22
- Specifications sibe041010ea 22
- Hz 230 v 23
- Sibe041010ea specifications 23
- Specifications 12 23
- Indoor unit 4 2 outdoor unit 6 24
- Part 3 printed circuit board connector wiring diagram 24
- Indoor unit 25
- Outdoor unit 27
- Function of thermistor 9 3 control specification 0 29
- Main functions 9 29
- Part 4 function and control 29
- Frequency principle 30
- Main functions 30
- Temperature control 30
- Comfortable air conditioning a fine adjustment is integrated to keep the room temperature constant 31
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 31
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 31
- Even during extreme cold weather high capacity is achieved it is maintained even when the outdoor temperature is 2 c 31
- Forced cooling operation refer to page 95 for detail 31
- Frequency limits the following functions regulate the minimum and maximum frequency 31
- Inverter features the inverter provides the following features 31
- 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 31
- The regulating capacity can be changed according to the changes in the outdoor temperature and cooling heating load 31
- Airflow direction control 32
- Fan speed control for indoor unit 33
- 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 34
- 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 34
- Program dry operation 34
- Y 0 ºc 34
- Zone a thermostat off 34
- Zone b zone b 34
- Zone c thermostat on 34
- Automatic operation 35
- Detail thermostat off condition 36
- Function and control 36
- Main functions sibe041010ea 36
- Outline thermostat control is based on the difference between the room thermistor temperature and the target temperature 36
- Refer to temperature control on page 19 for detail 36
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 36
- The operation turns on in any zones except a 36
- The system resumes from defrost control in any zones except a 36
- The temperature difference is in the zone a 36
- The temperature difference returns to the zone c after being in the zone a 36
- Thermostat control 36
- Thermostat on condition 36
- Econo operation 37
- Night set mode 37
- 80 rpm 38
- Arc433 series the clock can be set by taking the following steps 1 press the clock button is displayed and blinks 2 press the timer or button to set the clock to the present time holding down the timer or button increases or decreases the time display rapidly 3 press the clock button again blinks and clock setting is completed 38
- Clock setting 38
- Detail when the powerful button is pressed the fan speed and target temperature are converted to the following states for 20 minutes 38
- Ex powerful operation in cooling 38
- Inverter powerful operation 38
- 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 38
- Auto restart function 39
- Hot start function 39
- Indoor unit on off button 39
- Other functions 39
- Signal receiving sign 39
- Titanium apatite photocatalytic air purifying filter 39
- Function of thermistor 40
- Control specification 41
- Detail 41
- Detail how to determine frequency the compressor s frequency is determined by taking the following steps 41
- Frequency control 41
- Function and control 30 41
- Mode hierarchy 41
- Note unless specified otherwise a dry operation command is regarded as cooling operation 41
- Outline frequency is determined according to the difference between the room thermistor temperature and the target temperature 41
- Outline the air conditioner control has normal operation mode forced operation mode and power transistor test mode for installation and servicing 41
- Sibe041010ea control specification 41
- Controls at mode changing start up 43
- Four way valve operation compensation 43
- Four way valve switching 43
- Preheating control 43
- 3 minute standby 44
- Compressor protection function 44
- Detail 44
- Discharge pipe temperature control 44
- 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 44
- Turning on the compressor is prohibited for 3 minutes after turning it off except when defrosting 44
- When turning the compressor from off to on the upper limit of frequency is set as follows the function is not activated when defrosting 44
- After 2 seconds in this zone the compressor is stopped dropping zone 45
- After this the output frequency is lowered by 2 hz every second until it reaches the keep zone keep zone 45
- Detail 45
- Frequency control in each zone stop zone 45
- Input current control 45
- Limit of the frequency is canceled 45
- Limitation of current dropping and stop value according to the outdoor temperature 45
- Outline the microcomputer calculates the input current while the compressor is running and sets the frequency upper limit from the input current in case of heat pump models this control which is the upper limit control of the frequency takes priority over the lower limit of control of four way valve operation compensation 45
- The current drops when outdoor temperature becomes higher than a certain level depending on the model 45
- The present maximum frequency goes on reset zone 45
- The upper limit of the compressor frequency is defined as operation frequency 2 hz 45
- Detail 46
- Detail the operating frequency limitation is judged with the indoor heat exchanger temperature 46
- Freeze up protection control 46
- Heating peak cut control 46
- Outline 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 46
- Outline during heating operation the indoor heat exchanger temperature determines the frequency upper limit to prevent abnormal high pressure 46
- Liquid compression protection function 47
- Outdoor fan control 47
- Conditions for canceling defrost the judgment is made with the outdoor heat exchanger temperature b c 48
- Defrost control 48
- Detail conditions for starting defrost 48
- More than a minutes of accumulated time pass after the start of the operation or ending the previous defrosting 48
- 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 48
- The compressor operates for 6 minutes 48
- The starting conditions are determined with the outdoor temperature and the outdoor heat exchanger temperature 48
- The system is in heating operation 48
- Detail the followings are the examples of electronic expansion valve control which function in each operation mode 49
- Electronic expansion valve control 49
- Function and control 38 49
- H available not available 49
- 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 49
- Sibe041010ea control specification 49
- Control when the frequency changes 50
- Fully closing with power on 50
- High discharge pipe temperature control 50
- Opening limit control 50
- Pressure equalizing control 50
- Starting operation control 50
- Control for disconnection of the discharge pipe thermistor 51
- Target discharge pipe temperature control 51
- Detection of overcurrent and overload 52
- Malfunctions 52
- Refrigerant shortage control 52
- Sensor malfunction detection 52
- Part 5 remote controller 53
- Remote controller 3 53
- Button 54
- Display lcd 54
- Note refer to the operation manual of applicable model for detail you can download operation manuals from distributor s page distributor s page product information operation installation manual url http global daikin com daikin global distributors_admin user_mng login php 54
- On off button 54
- Powerfu 54
- Reference refer to the following pages for detail 54
- Remote controller 54
- Signal transmitter 54
- Temperature adjustment buttons 54
- Button 55
- Comfor 55
- Fan setting button 55
- Mode button 55
- Off timer button 55
- On timer button 55
- Reset button 55
- Timer cancel button 55
- Timer setting button 55
- Check 5 56
- Part 6 service diagnosis 56
- Problem symptoms and measures 7 3 service check function 8 4 troubleshooting 1 56
- Troubleshooting with led 6 56
- Indoor unit 57
- Outdoor unit 57
- Troubleshooting with led 57
- Problem symptoms and measures 58
- Check method 1 1 when the timer cancel button is held down for 5 seconds 59
- For ftx models only 59
- Is displayed on the temperature display screen 59
- 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 the check method 2 refer to page 49 59
- Press the timer cancel button repeatedly until a long beep sounds 59
- Service check function 59
- The code indication changes in the sequence shown below 59
- Timer cancel button 59
- Displayed only when system down occurs 62
- Error codes and description 62
- Troubleshooting 62
- Defective indoor unit pcb 63
- Disconnection of connector 63
- Error code 63
- Error decision conditions the system cannot set the internal settings 63
- Indoor unit pcb abnormality 63
- Method of error detection the system checks if the circuit works properly within the microcomputer of the indoor unit 63
- Note check the following connector 63
- Reduction of power supply voltage 63
- Supposed causes 63
- Troubleshooting 63
- Wrong models interconnected 63
- Check no 1 refer to p 5 64
- Clogged air filter of the indoor unit 64
- Defective indoor heat exchanger thermistor 64
- Defective indoor unit pcb 64
- Dust accumulation on the indoor heat exchanger 64
- Error code 64
- Error decision conditions 64
- 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 64
- Freeze up protection control during cooling operation the indoor heat exchanger temperature is below 0 c 64
- Freeze up protection control or heating peak cut control 64
- Heating peak cut control during heating operation the indoor heat exchanger temperature is above 65 c 64
- 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 64
- Method of error detection 64
- Short circuited air 64
- Supposed causes 64
- Troubleshooting 64
- Fan motor dc motor or related abnormality 65
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 66
- Caution 66
- Check no 3 refer to p 6 66
- Service diagnosis 66
- Troubleshooting 66
- Troubleshooting sibe041010ea 66
- Thermistor or related abnormality indoor unit 67
- Refrigerant shortage 68
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 69
- Caution 69
- Check no 1 refer to p 5 69
- Check no 2 refer to p 7 69
- Service diagnosis 58 69
- Sibe041010ea troubleshooting 69
- Troubleshooting 69
- Low voltage detection or over voltage detection 70
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 71
- Service diagnosis 60 71
- Sibe041010ea troubleshooting 71
- Troubleshooting 71
- Signal transmission error between indoor unit and outdoor unit 72
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 73
- Caution 73
- Check no 1 refer to p 7 73
- Service diagnosis 62 73
- Sibe041010ea troubleshooting 73
- Troubleshooting 73
- Defective indoor unit pcb 74
- Defective outdoor unit pcb 74
- Error code 74
- Error decision conditions the pair type and multi type are interconnected 74
- Method of error detection the supply power is detected for its requirements different from pair type and multi type by the indoor outdoor transmission signal 74
- Supposed causes 74
- Troubleshooting 74
- Unspecified voltage between indoor unit and outdoor unit 74
- Wrong indoor unit pcb or outdoor unit pcb mounted 74
- Wrong models interconnected 74
- Wrong wiring of connecting wires 74
- Broken harness between pcbs 75
- Defective outdoor unit pcb 75
- Error code 75
- Error decision conditions 75
- Method of error detection 75
- Momentary fall of voltage 75
- Momentary power failure 75
- Outdoor unit pcb abnormality 75
- Supposed causes 75
- The microprocessor program runs out of control 75
- The system checks if the microprocessor is working in order 75
- The system checks if the zero cross signal comes in properly 75
- The zero cross signal is not detected 75
- Troubleshooting 75
- Ol activation compressor overload 76
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 77
- Caution 77
- Check no 1 refer to p 5 77
- Check no 2 refer to p 7 77
- Check no 3 refer to p 8 77
- Check no 4 refer to p 8 77
- Note ol q1l activating temperature 120 c ol q1l recovery temperature 95 c 77
- Service diagnosis 66 77
- Sibe041010ea troubleshooting 77
- Troubleshooting 77
- Check no 5 refer to p 9 78
- Compressor harness disconnected 78
- Compressor lock 78
- Compressor locked 78
- Error code 78
- Error decision conditions 78
- If the error repeats the system is shut down 78
- Method of error detection a compressor lock is detected by checking the compressor running condition through the position detection circuit 78
- Operation stops due to overcurrent 78
- Reset condition continuous run for about 11 minutes without any other error 78
- Supposed causes 78
- Troubleshooting 78
- Check no 6 refer to p 0 79
- Dc fan lock 79
- Defective fan motor 79
- Defective outdoor unit pcb 79
- Disconnection of the fan motor 79
- Error code 79
- Error decision conditions 79
- Foreign matter stuck in the fan 79
- If the error repeats the system is shut down 79
- Method of error detection an error is determined with the high voltage fan motor rotation speed detected by the hall ic 79
- Reset condition continuous run for about 11 minutes without any other error 79
- Supposed causes 79
- The fan does not start in about 15 60 seconds even when the fan motor is running 79
- Troubleshooting 79
- Check no 5 refer to p 9 80
- Check no 7 refer to p 1 80
- Check no 8 refer to p 1 80
- Defective compressor 80
- Defective outdoor unit pcb 80
- Defective power module 80
- Error code 80
- Error decision conditions the current exceeds about 14 a for 2 seconds with the compressor running the upper limit of the current decreases when the outdoor temperature exceeds a certain level 80
- Input overcurrent detection 80
- Method of error detection an input overcurrent is detected by checking the input current value with the compressor running 80
- Outdoor temperature is out of operation range 80
- Power supply voltage is not as specified 80
- Short circuit 80
- Supposed causes 80
- Troubleshooting 80
- Four way valve abnormality 81
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 82
- Check no 1 refer to p 5 82
- Check no 3 refer to p 8 82
- Check no 4 refer to p 8 82
- Service diagnosis 82
- Troubleshooting 82
- Troubleshooting sibe041010ea 82
- Check no 1 refer to p 5 83
- Check no 2 refer to p 7 83
- Check no 4 refer to p 8 83
- Defective discharge pipe thermistor defective outdoor heat exchanger thermistor or outdoor temperature thermistor 83
- Defective electronic expansion valve or coil 83
- Defective four way valve 83
- Defective outdoor unit pcb 83
- Defective stop valve 83
- Discharge pipe temperature control 83
- Error code 83
- Error decision conditions 83
- If the error repeats the system is shut down 83
- If the temperature detected by the discharge pipe thermistor rises above a c the compressor stops 83
- Method of error detection an error is determined with the temperature detected by the discharge pipe thermistor 83
- Refrigerant shortage 83
- Reset condition continuous run for about 60 minutes without any other error 83
- Supposed causes 83
- The error is cleared when the discharge pipe temperature has dropped below b c 83
- Troubleshooting 83
- Water mixed in refrigerant 83
- Check no 1 refer to p 5 84
- Check no 2 refer to p 7 84
- Check no 7 refer to p 1 84
- Check no 8 refer to p 1 84
- Check no 9 refer to p 2 84
- Defective electronic expansion valve or coil 84
- Defective outdoor fan motor 84
- Defective outdoor heat exchanger thermistor 84
- Defective outdoor unit pcb 84
- Defective stop valve 84
- Dirty outdoor heat exchanger 84
- Error code 84
- Error decision conditions 84
- High pressure control in cooling 84
- 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 84
- Supposed causes 84
- The error is cleared when the temperature drops below about 50 c 84
- The installation space is not large enough 84
- The temperature sensed by the outdoor heat exchanger thermistor rises above about 60 c 84
- Troubleshooting 84
- Broken or disconnected harness 85
- Compressor system sensor abnormality 85
- Defective outdoor unit pcb 85
- Error code 85
- Error decision conditions 85
- Method of error detection 85
- Supposed causes 85
- The dc current before compressor start up is out of the range 0 4 v sensor output converted to voltage value 85
- The dc voltage before compressor start up is below 50 v 85
- The system checks the dc current before the compressor starts 85
- Troubleshooting 85
- Position sensor abnormality 86
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 87
- Check no 0 refer to p 2 87
- Check no 5 refer to p 9 87
- Check no 8 refer to p 1 87
- Service diagnosis 76 87
- Sibe041010ea troubleshooting 87
- Troubleshooting 87
- Dc voltage current sensor abnormality 88
- Thermistor or related abnormality outdoor unit 89
- Caution 90
- Check no 1 refer to p 5 90
- Discharge pipe thermistor 90
- Outdoor heat exchanger thermistor 90
- Outdoor temperature thermistor 90
- Service diagnosis 90
- Troubleshooting in case of 90
- Troubleshooting sibe041010ea 90
- Check no 7 refer to p 1 91
- Check no 9 refer to p 2 91
- Defective outdoor fan motor 91
- Defective outdoor unit pcb 91
- Defective radiation fin thermistor 91
- Disconnection of connector 91
- Electrical box temperature rise 91
- Error code 91
- Error decision conditions 91
- Method of error detection an electrical box temperature rise is detected by checking the radiation fin thermistor with the compressor off 91
- Short circuit 91
- Supposed causes 91
- The error is cleared when the radiation fin temperature drops below b c 91
- To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above c c and stops when it drops below b c 91
- Troubleshooting 91
- With the compressor off the radiation fin temperature is above a c 91
- Radiation fin temperature rise 92
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 93
- Caution 93
- Check no 7 refer to p 1 93
- Check no 9 refer to p 2 93
- Note refer to silicon grease on power transistor diode bridge on page 98 for detail 93
- Service diagnosis 82 93
- Sibe041010ea troubleshooting 93
- Troubleshooting 93
- Output overcurrent detection 94
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 95
- Caution 95
- Check no 2 refer to p 3 95
- Check no 5 refer to p 9 95
- Check no 7 refer to p 1 95
- Check no 8 refer to p 1 95
- Service diagnosis 84 95
- Sibe041010ea troubleshooting 95
- Troubleshooting 95
- Check no 1 disconnect the connectors of the thermistors from the pcb and measure the resistance of each thermistor using tester 96
- Thermistor resistance check 96
- When the connector of indoor heat exchanger thermistor is soldered on a pcb remove the thermistor and measure the resistance 96
- When the room temperature thermistor is soldered on a pcb remove the pcb from the control pcb to measure the resistance 96
- Between the pins 12 9 and between 9 6 97
- Check no 3 97
- Fan motor connector output check 97
- Fan motor wire breakdown short circuit check 1 check the connector for connection 2 turn the power off 3 check if each resistance at the phases u v and v w is 90 97
- Motor control voltage check 1 check the connector for connection 2 check the motor control voltage is generated between the pins 2 3 97
- Rotation pulse check 1 check the connector for connection 2 turn the power on and stop the operation 3 check if the hall ic generates the rotation pulse 4 times when the fan motor is manually rotated once between the pins 1 3 97
- Check if the power supply waveform is a sine wave fig 98
- Check if there is waveform disturbance near the zero cross sections circled in fig 98
- Check no 1 measure the power supply waveform between no 1 and no 2 on the terminal board and check the waveform disturbance 98
- 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 tester 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 98
- Check sibe041010ea 98
- Electronic expansion valve check 98
- Fig fig 98
- Note please note that the latching sound varies depending on the valve type 98
- Power supply waveforms check 98
- Service diagnosis 98
- Check no 3 99
- Check no 4 99
- Four way valve performance check 99
- Inverter units refrigerant system check 99
- Service diagnosis 88 99
- Sibe041010ea check 99
- Inverter analyzer check 100
- Rotation pulse check on the outdoor unit pcb 101
- Check no 7 102
- Check no 8 102
- Check sibe041010ea 102
- Discharge pressure check 102
- Installation condition check 102
- Service diagnosis 102
- Main circuit short check 103
- Outdoor fan system check 103
- Check no 2 104
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector 104
- Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multi tester evaluate the measurement results referring to the following table 104
- Note make sure that the voltage between and of the power module is approximately 0 v before checking 104
- Power module check 104
- Part 7 tips for servicing 105
- Silicon grease on power transistor diode bridge 8 105
- Tips for servicing 5 105
- Trial operation 6 3 field settings 7 105
- Caution when pressing the button do not touch the terminal board it has a high voltage and may cause electric shock 106
- Detail 1 remove the valve caps from the liquid stop valve and the gas stop valve 2 carry out forced cooling operation 3 after 5 to 10 minutes close the liquid stop valve with a hexagonal wrench 4 after 2 to 3 minutes close the gas stop valve and stop the forced cooling operation 106
- Forced cooling operation 106
- Indoor unit 106
- Outline in order to protect the environment be sure to conduct pump down operation when relocating or disposing the unit 106
- Pump down operation 106
- Refer to forced cooling operation below 106
- Tips for servicing 106
- Trial operation 107
- 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 108
- 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 for the location of the jumper refer to the following pages indoor unit p 4 outdoor unit p 6 108
- Cut the address setting jumper 108
- Cut the address setting jumper ja on the control pcb 108
- Field settings 108
- Indoor unit 108
- Indoor unit pcb 108
- Jumper settings 108
- Outdoor unit 108
- Outline when 2 indoor units are installed in 1 room 1 of the 2 indoor units and the corresponding wireless remote controller can be set for different addresses both the indoor unit pcb and the wireless remote controller need alteration 108
- When 2 units are installed in 1 room 108
- Wireless remote controller 108
- Silicon grease on power transistor diode bridge 109
- Part 8 appendix 110
- Piping diagrams 00 110
- Removal procedure booklet no 03 110
- Wiring diagrams 02 110
- Ftx20 25 35jv1b ftx20 25 35j2v1b atx20 25 35jv1b atx20 25 35j2v1b 111
- Indoor unit 111
- Piping diagrams 111
- Appendix 112
- Outdoor unit 112
- Piping diagrams sibe041010ea 112
- Rx20 25jv1b rx20 25j3v1b arx20 25jv1b arx20 25j3v1b 112
- Rx35jv1b rx35j3v1b arx35jv1b arx35j3v1b 112
- Appendix 102 113
- Ftx20 25 35jv1b ftx20 25 35j2v1b atx20 25 35jv1b atx20 25 35j2v1b 113
- Indoor unit 113
- Outdoor unit 113
- Rx20 25 35jv1b rx20 25 35j3v1b arx20 25 35jv1b arx20 25 35j3v1b 113
- Sibe041010ea wiring diagrams 113
- Wiring diagrams 113
- Refer to the following booklets for removal procedure 114
- Removal procedure booklet no 114
- Revision history 115
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