![Daikin ATKS25E2V1B [219/316] Indoor unit pcb abnormality](/img/pdf.png)
Daikin ATKS25E2V1B [219/316] Indoor unit pcb abnormality
![Daikin ATKS25E2V1B [219/316] Indoor unit pcb abnormality](/views2/1780372/page219/bgdb.png)
Troubleshooting SiBE12-712C
208 Service Diagnosis
4.2 Indoor Unit PCB Abnormality
Remote
Controller
Display
A1
Method of
Malfunction
Detection
Evaluation of zero-cross detection of power supply by indoor unit.
Malfunction
Decision
Conditions
When there is no zero-cross detection in approximately 10 continuous seconds.
Supposed
Causes
Faulty indoor unit PCB
Faulty connector connection
Troubleshooting
Note: Connector Nos. vary depending on models.
Connector connection check
(note).
Is it normal?
YES
NO
(R7130)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct connections.
Replace PCBs.
Model Type Connector No.
Wall Mounted Type Terminal strip~Control PCB
Duct Connected Type Terminal strip~Control PCB
Floor / Ceiling Suspended Dual Type S37
Floor Standing Type Terminal strip~Control PCB
Содержание
- F series 1
- Inverter multi for 2 rooms 1
- Sibe12 712c 1
- Cooling only outdoor unit indoor unit 2
- Inverter multi for 2 rooms f series 2
- Table of contents 2
- Heat pump outdoor unit indoor unit 3
- Control specification 8 4
- Introduction vi 4
- List of functions 4
- Main functions 8 4
- Part 1 list of functions 4
- Part 2 specifications 7 4
- Part 3 printed circuit board connector wiring diagram 1 4
- Part 4 function and control 7 4
- Printed circuit board connector wiring diagram 2 4
- Specifications 8 4
- Caution for diagnosis 00 2 problem symptoms and measures 02 3 service check function 03 5
- Check 45 5
- Instruction 07 5
- Part 5 operation manual 05 5
- Part 6 service diagnosis 99 5
- System configuration 06 5
- Troubleshooting 07 5
- Drawings flow charts v 6
- Index i 6
- Others 80 6
- Outdoor unit 56 6
- Part 7 removal procedure 55 6
- Part 8 others 79 6
- Part 9 appendix 85 6
- Piping diagrams 86 6
- Wiring diagrams 92 6
- Cautions regarding safety of workers 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Warning 8
- Cautions regarding safety of users 9
- Warning 9
- Caution 10
- Warning 10
- Caution 11
- 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
- List of functions 12
- Part 1 list of functions 12
- Cooling only 13
- Holding functions no functions 13
- List of functions 13
- List of functions sibe12 712c 13
- Holding functions no functions 14
- List of functions 3 14
- Sibe12 712c list of functions 14
- Holding functions no functions 15
- List of functions 15
- List of functions sibe12 712c 15
- Holding functions no functions 16
- List of functions 5 16
- Sibe12 712c list of functions 16
- This function is mounted only on ftks20 50d and fvxs25 50f indoor unit displayed on remote controller of indoor unit 16
- Holding functions no functions 17
- List of functions 17
- List of functions sibe12 712c 17
- Holding functions no functions 18
- List of functions 7 18
- Sibe12 712c list of functions 18
- This function is mounted only on atks20 35e indoor unit displayed on remote controller of indoor unit 18
- Heat pump 19
- List of functions 19
- List of functions sibe12 712c 19
- List of functions 9 20
- Sibe12 712c list of functions 20
- List of functions 21
- List of functions sibe12 712c 21
- Holding functions no functions 22
- List of functions 11 22
- Sibe12 712c list of functions 22
- Holding functions no functions 23
- List of functions 23
- List of functions sibe12 712c 23
- This function is mounted only on ftxs20 50d and fvxs25 50f indoor unit displayed on remote controller of indoor unit 23
- Holding functions no functions 24
- List of functions 13 24
- Sibe12 712c list of functions 24
- Holding functions no functions 25
- List of functions 25
- List of functions sibe12 712c 25
- Holding functions no functions 26
- List of functions 15 26
- Sibe12 712c list of functions 26
- This function is mounted only on atxs20 50e indoor unit displayed on remote controller of indoor unit 26
- Part 2 specifications 28
- Specifications 8 28
- Cooling only 29
- Indoor units 29
- Specifications 29
- Wall mounted type 50hz 230v 29
- Hz 230v 30
- Sibe12 712c specifications 30
- Specifications 19 30
- Hz 230v 31
- Specifications 31
- Specifications sibe12 712c 31
- Hz 230v 32
- Sibe12 712c specifications 32
- Specifications 21 32
- Hz 230v 33
- Specifications 33
- Specifications sibe12 712c 33
- Duct connected type 50hz 230v 34
- Sibe12 712c specifications 34
- Specifications 23 34
- Hz 230v 35
- Specifications 35
- Specifications sibe12 712c 35
- Floor ceiling suspended dual type 50hz 230v 36
- Sibe12 712c specifications 36
- Specifications 25 36
- Floor standing type 50hz 230v 37
- Specifications 37
- Specifications sibe12 712c 37
- Hz 220 230 240v 38
- Outdoor units 38
- Sibe12 712c specifications 38
- Specifications 27 38
- Hz 220 230 240v 39
- Specifications 39
- Specifications sibe12 712c 39
- Hz 220 230 240v 40
- Sibe12 712c specifications 40
- Specifications 29 40
- Hz 220 230 240v 41
- Specifications 41
- Specifications sibe12 712c 41
- Heat pump 42
- Indoor units 42
- Sibe12 712c specifications 42
- Specifications 31 42
- Wall mounted type 50hz 220 230 240v 42
- Hz 220 230 240v 43
- Specifications 43
- Specifications sibe12 712c 43
- Hz 230v 44
- Sibe12 712c specifications 44
- Specifications 33 44
- Hz 230v 45
- Specifications 45
- Specifications sibe12 712c 45
- Hz 230v 46
- Sibe12 712c specifications 46
- Specifications 35 46
- Hz 220 230 240v 47
- Specifications 47
- Specifications sibe12 712c 47
- Hz 230v 48
- Sibe12 712c specifications 48
- Specifications 37 48
- Hz 220 240v 49
- Specifications 49
- Specifications sibe12 712c 49
- Hz 230v 50
- Sibe12 712c specifications 50
- Specifications 39 50
- Duct connected type 50hz 230v 51
- Specifications 51
- Specifications sibe12 712c 51
- Hz 230v 52
- Sibe12 712c specifications 52
- Specifications 41 52
- Floor ceiling suspended dual type 50hz 230v 53
- Specifications 53
- Specifications sibe12 712c 53
- Floor standing type 50hz 230v 54
- Sibe12 712c specifications 54
- Specifications 43 54
- Hz 220 230 240v 55
- Outdoor units 55
- Specifications 55
- Specifications sibe12 712c 55
- Hz 220 230 240v 56
- Sibe12 712c specifications 56
- Specifications 45 56
- Hz 220 230 240v 57
- Specifications 57
- Specifications sibe12 712c 57
- Hz 220 240v 58
- Sibe12 712c specifications 58
- Specifications 47 58
- Hz 220 230 240v 59
- Specifications 59
- Specifications sibe12 712c 59
- Hz 220 240v 60
- Sibe12 712c specifications 60
- Specifications 49 60
- Part 3 printed circuit board connector wiring diagram 62
- Printed circuit board connector wiring diagram 2 62
- Ftk x s 20 50 d atks 20 25 35 e atxs 20 50 e 63
- Printed circuit board connector wiring diagram 63
- Wall mounted type 63
- Pcb 2 signal receiver pcb pcb 3 display pcb 64
- Pcb 4 intelligent eye sensor pcb 64
- Pcb detail pcb 1 control pcb indoor unit 64
- Printed circuit board connector wiring diagram 53 64
- Sibe12 712c printed circuit board connector wiring diagram 64
- Ftk x s 20 25 35 c atk x s 20 25 35 d 65
- Ftxg 25 35 e ctxg 50 e atxg 25 50 e 67
- Pcb 2 signal receiver pcb 68
- Pcb 3 intelligent eye sensor pcb 68
- Pcb detail pcb 1 control pcb indoor unit 68
- Printed circuit board connector wiring diagram 57 68
- Sibe12 712c printed circuit board connector wiring diagram 68
- Duct connected type 69
- Pcb detail pcb 1 control pcb indoor unit 70
- Pcb detail pcb 2 display pcb 70
- Printed circuit board connector wiring diagram 59 70
- Sibe12 712c printed circuit board connector wiring diagram 70
- Floor ceiling suspended dual type 71
- Pcb 3 display pcb 73
- Pcb 4 signal receiver pcb 73
- Printed circuit board connector wiring diagram 73
- Printed circuit board connector wiring diagram sibe12 712c 73
- Floor standing type 74
- Pcb 2 control pcb indoor unit 75
- Pcb 3 service pcb pcb 3 display pcb 75
- Pcb detail pcb 1 sensor pcb 75
- Printed circuit board connector wiring diagram 75
- Printed circuit board connector wiring diagram sibe12 712c 75
- Outdoor unit 76
- Pcb 1 control pcb 50 class 77
- Pcb detail pcb 1 control pcb 40 class 77
- Printed circuit board connector wiring diagram 77
- Printed circuit board connector wiring diagram sibe12 712c 77
- Control specification 8 78
- Main functions 8 78
- Part 4 function and control 78
- Additional control parameters 79
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 79
- Forced cooling operation 79
- Frequency principle 79
- Frequency restrictions 79
- Initial settings 79
- Inverter principle to regulate the capacity a frequency control is needed the inverter makes it possible to vary the rotation speed of the compressor the following table explains the conversion principle 79
- Main control parameters the compressor is frequency controlled during normal operation the target frequency is set by the following 2 parameters coming from the operating indoor unit 79
- Main functions 79
- Note see the list of functions for the functions applicable to different models 79
- The difference between the room temperature and the set temperature 79
- The load condition of the operating indoor unit 79
- The target frequency is adapted by additional parameters in the following cases 79
- Comfortable air conditioning a detailed adjustment is integrated to ensure a fixed room temperature it is possible to air condition with a small room temperature variation 80
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 80
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor air temperature is 2 c 80
- Forced cooling operation for more information refer to forced operation mode on page 80
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 80
- Inverter features the inverter provides the following features 80
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 80
- The regulating capacity can be changed according to the changes in the outdoor air temperature and cooling heating load 80
- Power airflow dual flaps wide angle louvers and auto swing 81
- Control flow 83
- D signal after the front panel starts moving 3 opening the flap fully after the front panel opens fully 4 making the fan rotate when the flap passes over the fan banned area 83
- Ftxg25 35e ctxg50e atxg25 50e the system carries out the following control at the beginning to conduct every functional parts properly 1 opening the front panel fully 2 output of the 83
- Function and control 83
- Main functions sibe12 712c 83
- Operation starting control 83
- Timing chart 83
- Automatic airflow control for cooling 84
- Automatic airflow control for heating 84
- Control mode the airflow rate can be automatically controlled depending on the difference between the set temperature and the room temperature this is done through phase control and hall ic control 84
- Fan speed control for indoor units 84
- For more information about hall ic refer to the troubleshooting for fan motor on page 211 84
- Note 1 fan stops during defrost operation 2 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 84
- On heating mode the indoor fan speed will be regulated according to the indoor heat exchanger temperature and the difference between the room temperature and the required set point 84
- Phase steps phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh in automatic operation the step sl is not available 84
- The following drawing explains the principle of fan speed control for cooling 84
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 84
- In case of inverter units the microcomputer automatically sets the temperature and fan settings the difference between the room temperature at startup and the temperature set by the microcomputer is divided into two zones then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level 85
- Programme dry function 85
- Programme dry function removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and airflow volume the temperature adjustment and fan adjustment buttons are inoperable in this mode 85
- Zone a thermostat off 85
- Zone b zone b 85
- Zone c thermostat on 85
- Automatic operation 86
- Cooling dry 87
- Duct connected type 87
- Floor ceiling suspended type 87
- Floor standing type 87
- Function and control 87
- Heating 87
- Main functions sibe12 712c 87
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 87
- The operation turns on in any zones except a 87
- The system resumes from defrost control in any zones except a 87
- The temperature difference is above the zone c after being in the zone a 87
- The temperature difference is in the zone a 87
- Thermostat control 87
- Thermostat control is based on the difference between the room temperature and the setpoint 87
- Thermostat off condition 87
- Thermostat on condition 87
- Wall mounted type 87
- Night set mode 88
- Econo mode 89
- 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 200msec it judges human is in the room as the motion signal is on 90
- Function and control 79 90
- In case of fan mode the fan speed reduces by 50 rpm 90
- Intelligent eye 90
- Processing 1 detection method by intelligent eye 90
- Sibe12 712c main functions 90
- The motions for example in cooling 90
- 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 90
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 90
- When a microcomputer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operating the unit in temperature shifted 2 c from the set temperature cooling dry 2 c higher heating 2 c lower and auto according to the operation mode at that time 90
- Home leave operation 92
- Details of the control when powerful button is pushed in each operation mode the fan speed setting temperature will be converted to the following states in a period of 20 minutes 93
- Ex powerful operation in cooling mode 93
- In case of ftk x s20 50d atks20 35e atxs20 50e 93
- Inverter powerful operation 93
- 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 93
- Refer to fan speed control on page 73 for detail 93
- Hot start function 94
- On off button on indoor unit 94
- Other functions 94
- Photocatalytic deodorizing filter 94
- Signal receiving sign 94
- Titanium apatite photocatalytic air purifying filter 94
- Air purifying filter 95
- Air purifying filter with photocatalytic deodorizing function 95
- Auto restart function 95
- Mold proof air filter prefilter 95
- Self diagnosis digital display 95
- Weekly timer operation 95
- Function of thermistor 96
- Heat pump model 96
- Cooling only model 98
- Control specification 99
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 99
- For cooling only model there are following models stop and cooling including drying 99
- For the rooms set with different mode select stand by mode operation lamp flashes 99
- Mode hierarchy 99
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation determine operating mode judge the operating mode command set by each room in accordance with the instructing procedure and determine the operating mode of the system the following procedure will be taken as the modes conflict with each other 99
- Outline there are two modes the mode selected in user s place normal air conditioning mode and forced operation mode for installation and providing service 99
- The system will follow the mode determined first first push first set 99
- Frequency control 100
- Command frequency will be determined in the following order of priority 1 limiting frequency by drooping function 101
- D signal 1 p control calculate a total of the 101
- D signal and is used for frequency command 101
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 101
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 101
- D value is large increase the frequency 101
- D value is small lower the frequency when the 101
- D value obtaining the fixed 101
- D value of each room and a total value of q 101
- D value when the 101
- Determine lower limit frequency 101
- Determine prohibited frequency 101
- Determine upper limit frequency 101
- For cooling only model 1 determine command frequency 101
- I control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 101
- Indoor frequency command 101
- Input current discharge pipes freeze prevention dew prevention fin thermistor temperature 1 indoor frequency command 101
- Pi control determine frequency up down by 101
- Q of the operating room the room in which the thermostat is set to on q value indoor unit output determined from indoor unit volume airflow rate and other factors 101
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 101
- Set a minimum value as an upper limit frequency among the frequency upper limits of the following functions compressor protection input current discharge pipes freeze prevention dew prevention fin thermistor temperature 101
- Th off thermostat off indoor unit capacity s value the capacity of the indoor unit is a s value and is used for frequency command 101
- There is a certain prohibited frequency such as a power supply frequency 101
- When starting the compressor or when conditions are varied due to the change of the operating room the frequency must be initialized according to the total of a maximum 101
- 3 minute standby 103
- Controls at mode changing start up 103
- Four way valve operation compensation 103
- Four way valve switching 103
- Preheating operation 103
- Compressor protection function 104
- 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 104
- Discharge pipe temperature control 105
- Input current control 105
- Freeze up protection control 106
- Heating peak cut control 106
- Fan control 107
- Liquid compression protection function 2 107
- Defrost control 108
- Detail conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 30 minutes of accumulated fine pass since the start of the operation or ending the defrosting conditions for canceling defrost the judgment must be made with heat exchanger temperature 40 class 4 c 12 c 50 class 4 c 15 c 108
- Function and control 97 108
- Outline heat pump only defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 108
- Sibe12 712c control specification 108
- Electronic expansion valve control 109
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 110
- Function and control 99 110
- Sibe12 712c control specification 110
- Disconnection of the discharge pipe thermistor 111
- Fully closing with power on 111
- Gas pipe isothermal control during cooling 111
- Opening limit 111
- Pressure equalization control 111
- Sc control 111
- Starting operation changing operating room control 111
- Control when frequency is changed 112
- High temperature of the discharge pipe 112
- Oil recovery function 112
- Target discharge pipe temperature control 112
- Detection of overload and over current 113
- Insufficient gas control 113
- Malfunctions 113
- Sensor malfunction detection 113
- Detail forced cooling 114
- Detail judgment by input current when an output frequency is exceeds 51 hz 40 class or 48 hz 50 class and the input current is less than specified value the adjustment is made for insufficient gas judgment by discharge pipe temperature when discharge pipe temperature is higher than 101 c the electronic expansion value opening is 450 plus max and the adjustment is made for insufficient gas 114
- During cooling if the heat exchanger temperature in the operation stopped room becomes below the specified temperature for the specified time open the electronic expansion valve in the operation stopped room as specified and carry out the fully closed operation after this if freezing abnormality occurs more than specified time the system shall be down as the system abnormality 114
- Forced operation mode 114
- Outline forced operating mode includes only forced cooling 114
- Preventing indoor freezing 114
- Additional function 115
- Compressor operating frequency and outdoor unit airflow rate are increased 115
- Power supply voltage is detected each time equipment operation starts 115
- Powerful operation mode 115
- Voltage detection function 115
- Instruction 07 116
- Part 5 operation manual 116
- System configuration 06 116
- Operation instructions 117
- System configuration 117
- Ftk x s atk x s f c a txg flk x s series 118
- Illustrations are for duct connected type fdk x s25 35e as representative 118
- Illustrations are for wall mounted type ftxg25 35e as representative 118
- Illustrations are for wall mounted type ftxs20 35c as representative 118
- Illustrations are for wall mounted type ftxs20 50d as representative 118
- Instruction 118
- Manual contents and reference page 118
- Caution 119
- Safety precautions 119
- Warning 119
- A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbour 120
- A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration 120
- Consider nuisance to your neighbours from noises 120
- Electrical work 120
- For installation choose a place as described below 120
- For power supply be sure to use a separate power circuit dedicated to the air conditioner 120
- Installation site 120
- Operation manual 109 120
- Places where snow may block the outdoor unit 120
- Places where sulfide gas occurs such as hot springs 120
- Places with an oily ambient or where steam or soot occurs 120
- Relocating the air conditioner requires specialized knowledge and skills please consult the dealer if reloca tion is necessary for moving or remodeling 120
- Salty environment such as coastal areas 120
- Sibe12 712c instruction 120
- System relocation 120
- Indoor unit 121
- Names of parts 121
- Indoor unit 122
- Outdoor unit 122
- Arc433b50 b4 123
- On off 123
- Remote controller 123
- Ftk x s 20 25 35 c atk x s 20 25 35 d 124
- Indoor unit 124
- Names of parts 124
- Indoor unit 125
- Outdoor unit 125
- Remote controller 126
- Indoor unit 127
- Names of parts 127
- Indoor unit 128
- Outdoor unit 128
- Remote controller 129
- Indoor unit 130
- Names of parts 130
- Indoor unit 131
- Outdoor unit 131
- Arc433b69 b76 132
- Remote controller 132
- Caution 133
- Indoor unit 133
- Names of parts 133
- Opening the front panel 133
- Indoor unit 134
- Outdoor unit 134
- Arc433b67 b68 135
- On off 135
- Remote controller 135
- Preparation before operation 136
- To set the batteries 136
- Attention 137
- Choose a place from where the sig nals reach the unit 137
- Fix the holder to a wall a pillar or similar location with the screws procured locally 137
- Place the remote controller in the remote controller holder 137
- Preparation before operation 137
- To fix the remote controller holder on the wall 137
- To operate the remote controller 137
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 138
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 138
- Operation outside this humidity or temperature range may cause a safety device to disable the system 138
- Press clock button 138
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 138
- To set the clock 138
- Turn the breaker on 138
- Use the air conditioner in the following conditions 138
- Auto dry cool heat fan operation 139
- To change the temperature setting 139
- To start operation 139
- To stop operation 139
- Press fan setting button 140
- To change the airflow rate setting 140
- Adjusting the airflow direction 141
- To adjust the horizontal blades flaps 141
- To adjust the vertical blades louvers 141
- Always use a remote controller to adjust the flaps angle if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken 142
- In dry mode or cool mode 142
- In fan mode 142
- In heat mode 142
- Notes on comfort airflow operation 142
- Notes on flaps and louvers angles 142
- Press comfort airflow button 142
- Press comfort airflow button again 142
- The flap will go down 142
- To cancel comfort airflow operation 142
- To start comfort airflow operation 142
- Adjusting the airflow direction 143
- Press swing button 143
- To adjust the horizontal blades flaps 143
- When the flaps have reached the desired position press swing button once more 143
- Adjusting the airflow direction 145
- To 3 d airflow 145
- To adjust the horizontal blade flap 145
- To adjust the vertical blades louvers 145
- To cancel 3 d airflow 145
- Cool dry the flap will go up heat the flap will go down 146
- Press comfort airflow button 146
- Press comfort airflow button again 146
- To cancel comfort airflow operation 146
- To start comfort airflow operation 146
- Adjusting the airflow direction 147
- Press swing button 147
- To adjust the horizontal blade flap 147
- When the flaps have reached the desired position press swing button once more 147
- Powerful operation 149
- To cancel powerful operation 149
- To start powerful operation 149
- Outdoor unit quiet operation 150
- To cancel outdoor unit quiet operation 150
- To start outdoor unit quiet operation 150
- Econo operation 151
- To cancel econo opera tion 151
- To start econo operation 151
- Before using home leave operation 152
- Home leave operation 152
- To cancel home leave operation 152
- To start home leave operation 152
- Intelligent eye operation 154
- To cancel the intelligent eye operation 154
- To start intelligent eye operation 154
- Caution 155
- Intelligent eye is useful for energy saving 155
- Intelligent eye operation 155
- Notes on intelligent eye 155
- Intelligent eye operation 156
- Press sensor button 156
- Press sensor button again 156
- To cancel the intelligent eye operation 156
- To start intelligent eye operation 156
- Intelligent eye operation 158
- Press sensor button 158
- Press sensor button again 158
- To cancel the intelligent eye operation 158
- To start intelligent eye operation 158
- Caution 159
- Intelligent eye is useful for energy saving 159
- Notes on intelligent eye 159
- Timer operation 160
- To cancel the off timer operation 160
- To use off timer opera tion 160
- 1 cool dry and fan mode may be used at the same time auto mode automatically selects cool mode or heat mode based on the room temperature therefore auto mode is available when selecting the same operation mode as that of the room with the first unit to be turned on 162
- However outdoor unit quiet operation display remains on the remote controller for other rooms we recommend you release all rooms using their remote controllers 162
- Night quiet mode available only for cooling operation 162
- Night quiet mode reduces slightly the cooling efficiency of the unit 162
- Night quiet mode reduces the operation noise of the outdoor unit during the night time hours to prevent annoyance to neighbors 162
- Night quiet mode requires initial programming during installation please consult your retailer or dealer for assistance 162
- Normally the operation mode in the room where the unit is first run is given priority but the following situations are exceptions so please keep this in mind if the operation mode of the first room is fan mode then using heating mode in any room after this will give priority to heating in this situation the air conditioner running in fan mode will go on standby and the operation lamp will flash 162
- Note for multi system 162
- Operation manual 151 162
- Outdoor unit quiet operation 162
- See priority room setting on the next page 162
- Selecting the operation mode 162
- Sibe12 712c instruction 162
- The cooling heating mode lock requires initial programming during installation please consult your retailer or dealer for assistance the cooling heating mode lock sets the unit forcibly to either cooling or heating mode this function is convenient when you wish to set all indoor units connected to the multi system to the same operation mode 162
- The night quiet mode is activated when the temperature drops 5 c or more below the highest temperature recorded that day therefore when the temperature difference is less than 5 c this function will not be activated 162
- This system has one outdoor unit connected to multiple indoor units 162
- What is a multi system 162
- When clearing outdoor unit quiet operation clear one of the operating indoor units using their remote controller 162
- When more than one indoor unit is operating priority is given to the first unit that was turned on in this case set the units that are turned on later to the same operation mode 1 as the first unit otherwise they will enter the standby mode and the operation lamp will flash this does not indicate malfunction 162
- When using the outdoor unit quiet operation feature with the multi system set all indoor units to outdoor unit quiet operation using their remote controllers 162
- Operation mode priority 163
- Priority room setting 163
- Priority when powerful operation is used 163
- Priority when using outdoor unit quiet operation 163
- Room a is the priority room in the examples 163
- The priority room setting requires initial programming during installation please consult your retailer or dealer for assistance 163
- Care and cleaning 164
- Caution 164
- Front panel 164
- Indoor unit outdoor unit and remote controller 164
- Air filter 165
- Filters 165
- Maintenance 165
- Replacement 165
- Titanium apatite photocatalytic air purifying filte 165
- After operation stops turn off the breaker for the room air conditioner 166
- Before a long idle period 166
- Clean the air filters and set them again 166
- Operate the fan only for several hours on a fine day to dry out the inside 166
- Take out batteries from the remote controller 166
- Ftk x s 20 25 35 c atk x s 20 25 35 d 167
- After operation stops turn off the breaker for the room air conditioner 169
- Air purifying filter with photocatalytic deodorizing function with frame 1 set 169
- Air purifying filter with photocatalytic deodorizing function without frame 1 set 169
- Before a long idle period 169
- Clean the air filters and set them again 169
- Dispose of old filters as burnable waste 169
- Operate the fan only for several hours on a fine day to dry out the inside 169
- Press mode button and select fan operation 169
- Press on off button and start operation 169
- Take out batteries from the remote controller 169
- Care and cleaning 170
- Caution 170
- Front panel 170
- Indoor unit outdoor unit and remote controller 170
- Air filter 171
- Filters 171
- Maintenance 171
- Replacement 171
- Titanium apatite photocatalytic air purifying filte 171
- After operation stops turn off the breaker for the room air conditioner 172
- Before a long idle period 172
- Clean the air filters and set them again 172
- Operate the fan only for several hours on a fine day to dry out the inside 172
- Take out batteries from the remote controller 172
- When a multi outdoor unit is connected make sure the heating operation is not used at the other room before you use the fan operation 172
- Before cleaning be sure to stop the operation and turn the breaker off 173
- Care and cleaning 173
- Caution 173
- Cleaning the air filter 173
- Fdk x s 25 50 c fdk x s 25 35 e 173
- Only a qualified service person is allowed to perform maintenance 173
- Removing the air filter 173
- Replacing the air filter 173
- Before a long idle period 174
- Caution 174
- Clean the air filters and set them again 174
- Cleaning the drain pan 174
- Operate the fan only for several hours on a fine day to dry out the inside 174
- Take out batteries from the remote controller 174
- Turn off the breaker for the room air conditioner 174
- Before cleaning be sure to stop the operation and turn the breaker off 175
- Care and cleaning 175
- Caution 175
- Clean the front panel 175
- Close the front panel 175
- Front panel 175
- Indoor unit outdoor unit and remote controller 175
- Open the front panel 175
- Wipe them with dry soft cloth 175
- Air filter 176
- Air purifying filter green 176
- Clean or replace each filter 176
- Detach the filter element and attach a new one 176
- Dry the photocatalytic deodorizing filter in the sun 176
- Filters 176
- Insert claws of the filters into slots of the front panel 176
- Maintenance 176
- Open the front panel 2 pull out the air filters 176
- Photocatalytic deodorizing filter gray 176
- Replacement 176
- Set the air filter air purifying filter and photocatalytic deodorizing filter as they were and close the front panel 176
- Take off the air purifying filter photocatalytic deodorizing filter 176
- Wash the air filters with water or clean them with vacuum cleaner 176
- After operation stops turn off the breaker for the room air conditioner 177
- Before a long idle period 177
- Clean the air filters and set them again 177
- Operate the fan only for several hours on a fine day to dry out the inside 177
- Take out batteries from the remote controller 177
- Case explanation 178
- These cases are not troubles 178
- Trouble shooting 178
- Troubleshooting 178
- Case check 179
- Check again 179
- Call the service shop immediately 180
- Disposal requirements 180
- Important information regarding the refrigerant used 180
- The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 180
- Turn the breaker off and call the service shop 180
- Warning 180
- We recommend periodical maintenance 180
- Caution 181
- Fvxs series 181
- Safety precautions 181
- Warning 181
- Consider nuisance to your neighbours from noises 182
- Electrical work 182
- Installation site 182
- System relocation 182
- Caution 183
- Indoor unit 183
- Names of parts 183
- Opening the front panel 183
- 35 class 50 class 184
- Indoor unit 184
- Outdoor unit 184
- Remote controller 185
- Attention 186
- Preparation before operation 186
- To fix the remote controller holder on the wall 186
- To operate the remote controller 186
- To set the batteries 186
- Preparation before operation 187
- To set the clock 187
- Checks on remote controller settings 188
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 188
- Please note 188
- This remote controller is common to the heat pump model and cooling only model use the dipswitches on the remote controller to set the heat pump model or cooling only model refer to the following explanation and make the setting as shown in the illustration for customers of heat pump model set to h p for customers of cooling only model set to c o 188
- Tips for saving energy 188
- Turn the breaker on 188
- Turning on the breaker closes the flap this is a normal procedure 188
- Auto dry cool heat fan operation 189
- To change the temperature setting 189
- To start operation 189
- To stop operation 189
- Press fan setting button 190
- To change the airflow rate setting 190
- Adjusting the airflow direction 191
- Notes on flap and louvers angle 191
- To adjust the horizontal blade flap 191
- To adjust the vertical blades louvers 191
- Airflow selection 192
- Caution 192
- When setting the air outlet selection switch to 192
- When setting the airflow selection switch to 192
- Powerful operation 193
- To cancel powerful operation 193
- To start powerful operation 193
- Outdoor unit quiet operation 194
- To cancel outdoor unit quiet operation 194
- To start outdoor unit quiet operation 194
- Econo operation 195
- To cancel econo operation 195
- To start econo operation 195
- Timer operation 196
- To cancel the off timer operation 196
- To use off timer operation 196
- Attention 197
- Timer operation 197
- To cancel on timer operation 197
- To combine on timer and off timer 197
- To use on timer operation 197
- An example of weekly timer settings is shown below 198
- Example 198
- Operation manual 187 198
- Program 1 program 2 program 3 program 4 198
- Sibe12 712c instruction 198
- Up to 4 timer settings can be saved for each day of the week it is convenient if the weekly timer is set according to the family s life style 198
- Using in these cases of weekly timer 198
- Weekly timer operation 198
- To use weekly timer operation 199
- Weekly timer operation 199
- Press button to complete the setting 200
- Press next button 200
- Press select button to select the desired temperature 200
- The day of the week on off time can be set with weekly timer for on timer settings other than the above are based on the remote controller settings just before the operation 200
- Using copy mode 201
- Weekly timer operation 201
- Canceling all reservations 202
- Canceling individual reservations 202
- Confirming a reservation 202
- Hold the weekly button for 5 seconds 202
- Press button 202
- Press weekly button to deactivate the weekly operation 202
- Select the day of the week to be canceled with the select button 6 hold the weekly button for 5 seconds 202
- To cancel weekly timer operation 202
- Care and cleaning 203
- Caution 203
- Front panel 203
- Indoor unit outdoor unit and remote controller 203
- Air filter 204
- Filters 204
- Maintenance 204
- Replacement 204
- Titanium apatite photocatalytic air purifying filter 204
- After operation stops turn off the breaker for the room air conditioner 205
- Before a long idle period 205
- Clean the air filters and set them again 205
- Operate the fan only for several hours on a fine day to dry out the inside 205
- Take out batteries from the remote controller 205
- Case explanation 206
- These cases are not troubles 206
- Trouble shooting 206
- Troubleshooting 206
- Case check 207
- Check again 207
- Call the service shop immediately 208
- Disposal requirements 208
- Important information regarding the refrigerant used 208
- Warning 208
- We recommend periodical maintenance 208
- Caution for diagnosis 00 2 problem symptoms and measures 02 3 service check function 03 210
- Check 45 210
- Part 6 service diagnosis 210
- Troubleshooting 07 210
- Caution for diagnosis 211
- Problem symptoms and measures 213
- Arc433 series 1 when the timer cancel button is held down for 5 seconds a 214
- Check method 1 214
- Indication flashes on the temperature display section 214
- Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute 214
- Press the timer cancel button repeatedly until a continuous beep is produced 214
- Service check function 214
- The code indication changes in the sequence shown below and notifies with a long beep 214
- The temperature display sections on the main unit indicate corresponding codes 214
- Arc452 series 1 when the timer cancel button is held down for 5 seconds a 215
- Indication flashes on the temperature display section 215
- Note 1 a short beep and two consecutive beeps indicate non corresponding codes 2 to cancel the code display hold the timer cancel button down for 5 seconds the code display also cancels itself if the button is not pressed for 1 minute 215
- Press the timer cancel button repeatedly until a continuous beep is produced 215
- The code indication changes in the sequence shown below and notifies with a long beep 215
- Timer cancel button 215
- Check method 2 216
- Displayed only when system down occurs 218
- Error codes and description 218
- Troubleshooting 218
- Indoor unit pcb abnormality 219
- Freeze up protection control or high pressure control 220
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 221
- Caution 221
- Check no 6 refer to p 48 221
- Service diagnosis 221
- Troubleshooting 221
- Troubleshooting sibe12 712c 221
- Ac motor 222
- Check no 6 refer to p 53 222
- Detection error due to faulty control pcb 222
- Fan motor or related abnormality 222
- Malfunction decision conditions 222
- Method of malfunction detection 222
- Operation halt due to breaking of the fan motor lead wires 222
- Operation halt due to breaking of wire inside the fan motor 222
- Operation halt due to faulty capacitor of the fan motor 222
- Operation halt due to short circuit inside the fan motor winding 222
- Remote controller display 222
- Supposed causes 222
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 222
- Troubleshooting 222
- When the detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor rotation speed 222
- Dc motor 223
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 224
- Caution 224
- Check no 1 refer to p 45 224
- Service diagnosis 213 224
- Sibe12 712c troubleshooting 224
- Troubleshooting 224
- Thermistor or related abnormality indoor unit 225
- 1 pull the plug out or turn the breaker off 2 remove the decorative plate 3 remove the slot in panel 4 put the plug in or turn the breaker on wait until the initialization finishes 5 operate the unit by the indoor unit on off switch 226
- Front panel open close fault 226
- Malfunction decision conditions 226
- Malfunction of the limit switch 226
- Malfunction of the reduction motor 226
- Malfunction or deterioration of the front panel mechanism 226
- Method of malfunction detection 226
- Remote controller display 226
- Supposed causes 226
- The system will be shut down when the error occurs twice 226
- Troubleshooting 226
- Freeze up protection control 227
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 228
- Caution 228
- Check no 4 refer to p 45 228
- Check no 6 refer to p 48 228
- Service diagnosis 217 228
- Sibe12 712c troubleshooting 228
- Troubleshooting 228
- A compressor overload is detected through compressor ol 229
- Check no 1 refer to p 51 229
- Check no 4 refer to p 45 229
- Check no 5 refer to p 47 229
- Check no 6 refer to p 48 229
- Electronic expansion valve defective 229
- Four way valve malfunctioning 229
- If the compressor ol is activated twice the system will be shut down 229
- Malfunction decision conditions 229
- Method of malfunction detection 229
- Ol activation compressor overload 229
- Outdoor unit pcb defective 229
- Refrigerant shortage 229
- Remote controller display 229
- Stop valve defective 229
- Supposed causes 229
- 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 229
- The operating temperature condition is not specified 229
- Troubleshooting 229
- Water mixed in the local piping 229
- Clearing condition continuous run for about 11 minutes normal 230
- Compressor lock 230
- Compressor locked 230
- Disconnection of compressor harness 230
- Judging from current waveform generated when high frequency voltage is applied to the compressor 230
- Malfunction decision conditions 230
- Method of malfunction detection 230
- Remote controller display 230
- Supposed causes 230
- The system will be shut down if the error occurs 16 times 230
- Troubleshooting 230
- Dc fan lock 231
- Input over current detection 232
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 233
- Caution 233
- Check no 4 refer to p 52 233
- Check no 7 refer to p 49 233
- Check no 8 refer to p 50 233
- Service diagnosis 233
- Troubleshooting 233
- Troubleshooting sibe12 712c 233
- Check no 1 refer to p 51 234
- Check no 4 refer to p 45 234
- Check no 6 refer to p 48 234
- Discharge pipe temperature control 234
- Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective 234
- Electronic expansion valve defective 234
- Four way valve malfunctioning 234
- If the compressor stops 6 times successively due to abnormal discharge pipe temperature the system will be shut down 234
- If the temperature being detected by the discharge pipe thermistor rises the compressor will stop the temperature at which the compressor halts varies according to the frequency 1 110 c when the frequency is above 30hz on ascending or above 25hz on descending 2 108 c when the frequency is below 30hz on ascending or below 25hz on descending 234
- Malfunction decision conditions 234
- Method of malfunction detection 234
- Outdoor unit pcb defective 234
- Refrigerant shortage 234
- Remote controller display 234
- Stop valve defective 234
- Supposed causes 234
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 234
- 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 234
- The error is cleared when the temperature has dropped below 95 c 234
- Troubleshooting 234
- Water mixed in the local piping 234
- High pressure control in cooling 235
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 236
- Caution 236
- Check no 4 refer to p 45 236
- Check no 6 refer to p 48 236
- Check no 7 refer to p 49 236
- Check no 9 refer to p 50 236
- Service diagnosis 225 236
- Sibe12 712c troubleshooting 236
- Troubleshooting 236
- Compressor sensor system abnormality 237
- Position sensor abnormality 238
- Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 239
- Caution 239
- Check no 3 refer to p 52 239
- Check no 8 refer to p 50 239
- Service diagnosis 239
- Troubleshooting 239
- Troubleshooting sibe12 712c 239
- Dc voltage dc current sensor abnormality 240
- Thermistor or related abnormality outdoor unit 241
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 242
- Check no 6 refer to p 48 242
- Discharge pipe thermistor 242
- Gas pipe thermistor 242
- Liquid pipe thermistor 242
- Outdoor temperature thermistor 242
- Outdoor unit heat exchanger thermistor 242
- Radiation fin thermistor 242
- Service diagnosis 231 242
- Sibe12 712c troubleshooting 242
- Troubleshooting 242
- Electrical box temperature rise 243
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 244
- Check no 6 refer to p 48 244
- Check no 7 refer to p 49 244
- Check no 9 refer to p 50 244
- Service diagnosis 233 244
- Sibe12 712c troubleshooting 244
- Troubleshooting 244
- Radiation fin temperature rise 245
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 246
- Check no 6 refer to p 48 246
- Check no 7 refer to p 49 246
- Check no 9 refer to p 50 246
- Note refer to 1 application of silicon grease to a power transistor and a diode bridge on p 283 246
- Service diagnosis 235 246
- Sibe12 712c troubleshooting 246
- Troubleshooting 246
- Output over current detection 247
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 248
- Check no 3 refer to p 52 248
- Check no 7 refer to p 49 248
- Check no 8 refer to p 50 248
- Service diagnosis 237 248
- Sibe12 712c troubleshooting 248
- Troubleshooting 248
- Insufficient gas 249
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 250
- Check no 4 refer to p 45 250
- Check no 6 refer to p 48 250
- Service diagnosis 239 250
- Sibe12 712c troubleshooting 250
- Troubleshooting 250
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 251
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer or the voltage being detected by the dc voltage detection circuit is judged to be below 150v for 0 second 251
- Clearing condition continuous run for about 60 minutes normal 251
- Malfunction decision conditions 251
- Method of malfunction detection 251
- Over voltage detection low voltage detection 251
- Over voltage detector or dc voltage detection circuit defective 251
- Pam control part s defective 251
- Remote controller display 251
- Short circuit inside the fan motor winding 251
- Supply voltage not as specified 251
- Supposed causes 251
- The system will be shut down if the error occurs 255 times 251
- Troubleshooting 251
- Anti icing function in other rooms unspecified voltage between indoor and outdoor units 252
- Outdoor unit pcb abnormality or signal transmission circuit abnormality 253
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 254
- Service diagnosis 243 254
- Sibe12 712c troubleshooting 254
- Troubleshooting 254
- Check no 0 refer to p 50 255
- Service diagnosis 255
- Troubleshooting sibe12 712c 255
- Electronic expansion valve check 256
- Fan motor connector output check 256
- How to check 256
- Limit switch continuity check 256
- Check no 5 258
- Four way valve performance check 258
- Service diagnosis 247 258
- Sibe12 712c check 258
- Check no 6 remove the connectors of the thermistors on the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the graph and the table below 259
- Thermistor resistance check 259
- Check no 7 260
- Installation condition check 260
- Service diagnosis 249 260
- Sibe12 712c check 260
- Check no 0 measure the power supply waveform between pins 1 and 2 on the terminal board and check the waveform disturbance 261
- Check no 8 261
- Check no 9 261
- Check sibe12 712c 261
- Check to see if the power supply waveform is a sine wave fig 261
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 261
- Discharge pressure check 261
- Fig fig 261
- Outdoor unit fan system check with dc motor 261
- Power supply waveforms check 261
- Service diagnosis 261
- Capacitor voltage check 262
- Check no 1 262
- Check no 2 before this checking be sure to check the main circuit for short circuit 262
- Checking the capacitor voltage 262
- Inverter units refrigerant system check 262
- Service diagnosis 251 262
- Sibe12 712c check 262
- With the circuit breaker still on measure the voltage according to the drawing be careful never to touch any live parts 262
- Check no 3 263
- Check no 4 263
- Check the continuity with the tester reverse the pins and make sure there is continuity 263
- Checking the main circuit electrolytic capacitor 263
- Checking the power transistor 263
- For the uvw make measurements at the faston terminal on the pcb or the relay connector 263
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 263
- If unavoidably necessary to touch a live part make sure there is no dc voltage using the tester 263
- Main circuit electrolytic capacitor check 263
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 263
- Power transistor check 263
- Hall ic check 264
- Turning speed pulse input on the outdoor unit pcb check 264
- Outdoor unit 56 266
- Part 7 removal procedure 266
- External appearance 267
- Loosen the 2 screws right left of the top panel and 8 screws to remove the front panel 267
- Outdoor unit 267
- Procedure warning be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 267
- Removal of the panels and plates 267
- The bell mouth can not be removed 267
- The front panel has 4 hooks 267
- Removal of the electrical box 269
- Lift up the electrical box to remove 273
- Loosen the screw in front of the electrical box 273
- Removal of the pcb 274
- Cut off the clamp and disconnect the wire harnesses 275
- Loosen the 2 screws and detach the 1 clip to remove the radiation shield plate 275
- The clip is push mount type 275
- Loosen the 2 screws of the radiation fin 278
- Removal of the sound blanket 279
- Removal of the propeller fan fan motor 281
- Removal of the thermistors 284
- Removal of the compressor 286
- Removal of the four way valve electronic expansion valve 288
- Others 80 290
- Part 8 others 290
- Others 291
- Test run from the remote controller 291
- Control pcb of the indoor unit 1 remove the front panel 2 remove the sensor parts cover 2 screws then remove the electric parts box 1 screw 3 slide the metallic cover to remove it 4 claws on the electric parts box 4 cut the jumper ja on pcb 292
- How to set the different addresses 292
- Jumper setting 292
- Jumper settings 292
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 292
- When two units are installed in one room 292
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 292
- Adjusting the angle of the intelligent eye sensor 293
- Application of silicon grease to a power transistor and a diode bridge 294
- Not applied paper wastage 294
- Ok evenly applied silicon grease ng not evenly applied ng foreign object 294
- Power transistor trm tpm igbt ipm spm etc 294
- Take out a pcb diode bridge diode bridge rectifier stack etc 294
- Part 9 appendix 296
- Piping diagrams 86 296
- Wiring diagrams 92 296
- Indoor units 297
- Piping diagrams 297
- Wall mounted type 297
- Appendix 287 298
- Ctxg50ev1bw s atxg50ev1b ftxs20 25 35d3vmw l atxs20 25 35e2v1b atxs25 35ev1b7 298
- Ftxs50d2v1w l atxs50e2v1b atxs50ev1b7 ftxs20 25 35cavmb atxs20 25 35davmb 298
- Sibe12 712c piping diagrams 298
- Appendix 299
- Duct connected type 299
- Fdk x s25 35cavmb fdk x s50cvmb fdk x s25 35eavmb 299
- Flks25 35bavmb flks50bavmb 299
- Floor ceiling suspended dual type 299
- Heat exchanger 299
- Piping diagrams sibe12 712c 299
- Thermistor on heat exch 299
- Appendix 289 300
- Floor standing type 300
- Flxs25 35bavmb flxs50bavmb 300
- Fvxs25 35fv1b fvxs50fv1b 300
- Sibe12 712c piping diagrams 300
- Appendix 301
- Mks40fv1b 2amk40fv1b 301
- Mks50fv1b 2amk50fv1b 301
- Outdoor units 301
- Piping diagrams sibe12 712c 301
- Appendix 291 302
- Mxs40fv1b 2amx40fv1b 2amx40f2v1b 302
- Mxs50fv1b 2amx50fv1b 2amx50f2v1b 302
- Sibe12 712c piping diagrams 302
- Ftk x s20 25 35d3vmw l atk x s20 25 35e2v1b atxs25 35ev1b7 303
- Ftk x s50d2v1w l atxs50e2v1b atxs50ev1b7 303
- Indoor units 303
- Wall mounted type 303
- Wiring diagrams 303
- Appendix 293 304
- Caution 304
- D033599g 304
- D050493 304
- Field wiring 304
- Ftk x s20 25 35cavmb atk x s20 25 35davmb 304
- Ftxg25 35ev1bw s ctxg50ev1bw s atxg25 35 50ev1b 304
- Fu c70 304
- H1p h3p 304
- H2p s1w 304
- Indoor 304
- Intelligent eye sensor 304
- Note that operation will restart automatically if the main power supply is turned off and then back on again 304
- Outdoor 304
- Pilot lamp fan motor swing motor printed circuit board thermistor connector operation switch terminal strip x1m s1w s1 s36 r1t r2t pcb1 pcb3 m1s m1f 304
- Protective earth running capacitor 304
- Receiver signal 304
- S36 s35 304
- Sibe12 712c wiring diagrams 304
- Terminal for centralized control 304
- Transmission circuit 304
- Wht red 304
- Appendix 305
- D033909e 305
- D045012k 305
- Duct connected type 305
- Fdk x s25 35cavmb fdk x s50cvmb fdk x s25 35eavmb 305
- Field wiring 305
- Flk x s25 35 50bavmb 305
- Floor ceiling suspended dual type 305
- Transmission 305
- Wiring diagrams sibe12 712c 305
- Appendix 295 306
- D055953 306
- Floor standing type 306
- Fvxs25 35 50fv1b 306
- Sibe12 712c wiring diagrams 306
- Appendix 307
- Mks40fv1b 2amk40fv1b 307
- Mks50fv1b 2amk50fv1b 307
- Outdoor units 307
- Wiring diagrams sibe12 712c 307
- Appendix 297 308
- D055486c 308
- D057045c 308
- Mxs40fv1b 2amx40fv1b 2amx40f2v1b 308
- Mxs50fv1b 2amx50fv1b 2amx50f2v1b 308
- Sibe12 712c wiring diagrams 308
- Numerics 310
- Drawings flow charts 314
- Numerics 314
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