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Daikin 2AMK40FV1B [241/280] Insufficient gas
![Daikin 2AMK40FV1B [241/280] Insufficient gas](/views2/1776089/page241/bgf1.png)
Troubleshooting SiBE12-712
230 Service Diagnosis
4.21 Insufficient Gas
Remote
Controller
Display
U0
Method of
Malfunction
Detection
Gas shortage detection I :
A gas shortage is detected by checking the power consumption value and the compressor
running frequency.
Malfunction
Decision
Conditions
Gas shortage detection I :
Power consumption < 4578 / 256 (W/Hz) × Compressor running frequency – 638 (W)
However, when the status of running frequency > 48 (Hz) is kept on for a certain time.
If a gas shortage error takes place 4 times successively, the system will be shut down. The error
counter will reset itself if this or any other error does not occur during the following 60-minute
compressor running time (total time).
Supposed
Causes
Refrigerant shortage (refrigerant leakage)
Poor compression performance of compressor
Stop valve closed
Electronic expansion valve defective
Содержание
- F series 1
- Inverter multi for 2 rooms 1
- Sibe12 712 1
- Cooling only outdoor unit indoor unit 2
- Heat pump outdoor unit indoor unit 2
- Inverter multi for 2 rooms f series 2
- Table of contents 2
- Control specification 6 3
- Cooling only 2 heat pump 3
- Cooling only 6 3
- Heat pump 6 3
- Introduction v 3
- Main functions 6 3
- Part 1 list of functions 3
- Part 2 specifications 5 3
- Part 3 printed circuit board connector wiring diagram 9 3
- Part 4 function and control 5 3
- Printed circuit board connector wiring diagram 0 3
- Caution for diagnosis 92 2 problem symptoms and measures 94 3 service check function 95 4
- Check 37 4
- Instruction 5 4
- Part 5 operation manual 3 4
- Part 6 service diagnosis 91 4
- System configuration 4 4
- Troubleshooting 99 4
- Drawings flow charts v 5
- Index i 5
- Others 48 5
- Part 7 others 47 5
- Part 8 appendix 51 5
- Piping diagrams 52 5
- Wiring diagrams 57 5
- Cautions regarding safety of workers 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Warning 7
- 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 10
- Used icons 10
- Cooling only 2 heat pump 12
- Part 1 list of functions 12
- Cooling only 13
- Cooling only sibe12 712 13
- Holding functions no functions 13
- List of functions 13
- Holding functions no functions 14
- List of functions 3 14
- Sibe12 712 cooling only 14
- Cooling only sibe12 712 15
- Holding functions no functions 15
- List of functions 15
- Holding functions no functions 16
- List of functions 5 16
- Sibe12 712 cooling only 16
- This function is mounted only on ftks20 35d atks20 35e and fvxs25 35f indoor unit displayed on remote controller of indoor unit 16
- Cooling only sibe12 712 17
- Holding functions no functions 17
- List of functions 17
- Holding functions no functions 18
- List of functions 7 18
- Sibe12 712 cooling only 18
- This function is mounted only on ftks20 35d and atks20 35e indoor unit displayed on remote controller of indoor unit 18
- Heat pump 19
- Heat pump sibe12 712 19
- Holding functions no functions 19
- List of functions 19
- List of functions 9 20
- Sibe12 712 heat pump 20
- Heat pump sibe12 712 21
- Holding functions no functions 21
- List of functions 21
- Holding functions no functions 22
- List of functions 11 22
- Sibe12 712 heat pump 22
- This function is mounted only on ftxs20 35d atxs20 35e and fvxs25 35f indoor unit displayed on remote controller of indoor unit 22
- Heat pump sibe12 712 23
- Holding functions no functions 23
- List of functions 23
- Holding functions no functions 24
- List of functions 13 24
- Sibe12 712 heat pump 24
- Heat pump sibe12 712 25
- Holding functions no functions 25
- List of functions 25
- This function is mounted only on ftxs20 35d atxs20 35e and fvxs25 35f indoor unit displayed on remote controller of indoor unit 25
- Cooling only 6 26
- Heat pump 6 26
- Part 2 specifications 26
- Cooling only 27
- Cooling only sibe12 712 27
- Indoor units 27
- Specifications 27
- Wall mounted type 50hz 230v 27
- Hz 230v 28
- Sibe12 712 cooling only 28
- Specifications 17 28
- Cooling only sibe12 712 29
- Hz 230v 29
- Specifications 29
- Hz 230v 30
- Sibe12 712 cooling only 30
- Specifications 19 30
- Cooling only sibe12 712 31
- Hz 230v 31
- Specifications 31
- Duct connected type 50hz 230v 32
- Sibe12 712 cooling only 32
- Specifications 21 32
- Cooling only sibe12 712 33
- Floor ceiling suspended dual type 50hz 230v 33
- Specifications 33
- Floor standing type 50hz 220 230 240v 34
- Sibe12 712 cooling only 34
- Specifications 23 34
- Cooling only sibe12 712 35
- Hz 220 230 240v 35
- Outdoor units 35
- Specifications 35
- Hz 220 230 240v 36
- Sibe12 712 cooling only 36
- Specifications 25 36
- Heat pump 37
- Heat pump sibe12 712 37
- Indoor units 37
- Specifications 37
- Wall mounted type 50hz 230v 37
- Hz 230v 38
- Sibe12 712 heat pump 38
- Specifications 27 38
- Heat pump sibe12 712 39
- Hz 230v 39
- Specifications 39
- Hz 230v 40
- Sibe12 712 heat pump 40
- Specifications 29 40
- Heat pump sibe12 712 41
- Hz 230v 41
- Specifications 41
- Hz 230v 42
- Sibe12 712 heat pump 42
- Specifications 31 42
- Heat pump sibe12 712 43
- Hz 230v 43
- Specifications 43
- Duct connected type 50hz 230v 44
- Sibe12 712 heat pump 44
- Specifications 33 44
- Floor ceiling suspended dual type 50hz 230v 45
- Heat pump sibe12 712 45
- Specifications 45
- Floor standing type 50hz 220 230 240v 46
- Sibe12 712 heat pump 46
- Specifications 35 46
- Heat pump sibe12 712 47
- Hz 220 230 240v 47
- Outdoor units 47
- Specifications 47
- Hz 220 230 240v 48
- Sibe12 712 heat pump 48
- Specifications 37 48
- Part 3 printed circuit board connector wiring diagram 50
- Printed circuit board connector wiring diagram 0 50
- Ftk x s 20 25 35 d atk x s 20 25 35 e 51
- Printed circuit board connector wiring diagram 51
- Wall mounted type 51
- Pcb 2 signal receiver pcb pcb 3 display pcb 52
- Pcb 4 intelligent eye sensor pcb 52
- Pcb detail pcb 1 control pcb 52
- Printed circuit board connector wiring diagram 41 52
- Sibe12 712 printed circuit board connector wiring diagram 52
- Ftk x s 20 25 35 c atk x s 20 25 35 d 53
- Ftxg 25 35 e atxg 25 35 e 55
- Pcb 2 signal receiver pcb 56
- Pcb 3 intelligent eye sensor pcb 56
- Pcb detail pcb 1 control pcb indoor unit 56
- Printed circuit board connector wiring diagram 45 56
- Sibe12 712 printed circuit board connector wiring diagram 56
- Duct connected type 57
- Pcb detail pcb 2 display pcb 58
- Floor ceiling suspended dual type 59
- Pcb 3 display pcb 61
- Pcb 4 signal receiver pcb 61
- Printed circuit board connector wiring diagram 61
- Printed circuit board connector wiring diagram sibe12 712 61
- Floor standing type 62
- Pcb 2 control pcb 63
- Pcb 3 service pcb pcb 3 display pcb 63
- Pcb detail pcb 1 sensor pcb 63
- Printed circuit board connector wiring diagram 63
- Printed circuit board connector wiring diagram sibe12 712 63
- Outdoor unit 64
- Pcb detail pcb 1 control pcb 65
- Printed circuit board connector wiring diagram 65
- Printed circuit board connector wiring diagram sibe12 712 65
- Control specification 6 66
- Main functions 6 66
- Part 4 function and control 66
- Additional control parameters 67
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 67
- Forced cooling operation 67
- Frequency principle 67
- Frequency restrictions 67
- Initial settings 67
- 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 67
- 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 67
- Main functions 67
- Note see the list of functions for the functions applicable to different models 67
- The difference between the room temperature and the set temperature 67
- The load condition of the operating indoor unit 67
- The target frequency is adapted by additional parameters in the following cases 67
- 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 68
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 68
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor air temperature is 2 c 68
- Forced cooling operation for more information refer to forced operation mode on page 68
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 68
- Inverter features the inverter provides the following features 68
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 68
- The regulating capacity can be changed according to the changes in the outdoor air temperature and cooling heating load 68
- Power airflow dual flaps wide angle louvers and auto swing 69
- Control flow 71
- 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 71
- Ftxg25 35e ftxg25 35e 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 71
- Function and control 71
- Main functions sibe12 712 71
- Operation starting control 71
- Timing chart 71
- Automatic air flow control for cooling 72
- Automatic air flow control for heating 72
- 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 72
- Fan speed control for indoor units 72
- For more information about hall ic refer to the troubleshooting for fan motor on page 203 72
- 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 72
- 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 72
- 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 72
- The following drawing explains the principle of fan speed control for cooling 72
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 72
- 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 73
- Programme dry function 73
- Programme dry function removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and air flow volume the temperature adjustment and fan adjustment buttons are inoperable in this mode 73
- Zone a thermostat off 73
- Zone b zone b 73
- Zone c thermostat on 73
- Automatic operation 74
- Cooling dry 75
- Duct connected type 75
- Floor ceiling suspended type 75
- Floor standing type 75
- Function and control 75
- Heating 75
- Main functions sibe12 712 75
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 75
- The operation turns on in any zones except a 75
- The system resumes from defrost control in any zones except a 75
- The temperature difference is above the zone c after being in the zone a 75
- The temperature difference is in the zone a 75
- Thermostat control 75
- Thermostat control is based on the difference between the room temperature and the setpoint 75
- Thermostat off condition 75
- Thermostat on condition 75
- Wall mounted type 75
- Night set mode 76
- Econo mode 77
- A microcomputer in an indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20msec 10 100msec it judges human is in the room as the motion signal is on 78
- Function and control 67 78
- In case of fan mode the fan speed reduces by 50 rpm 78
- Intelligent eye 78
- Processing 1 detection method by intelligent eye 78
- Sibe12 712 main functions 78
- The motions for example in cooling 78
- 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 78
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 78
- 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 78
- Home leave operation 80
- Details of the control when powerful button is pushed in each operation mode the fan speed setting temperature will be converted to the following states in a period of twenty minutes 81
- Ex powerful operation in cooling mode 81
- In case of ftk x s20 35d atxs20 35e 81
- Inverter powerful operation 81
- 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 81
- Refer to fan speed control on page 61 for detail 81
- Hot start function 82
- On off button on indoor unit 82
- Other functions 82
- Photocatalytic deodorizing filter 82
- Signal receiving sign 82
- Titanium apatite photocatalytic air purifying filter 82
- Air purifying filter 83
- Air purifying filter with photocatalytic deodorizing function 83
- Auto restart function 83
- Mold proof air filter prefilter 83
- Self diagnosis digital display 83
- Weekly timer operation 83
- Function of thermistor 84
- Heat pump model 84
- Cooling only model 86
- Control specification 87
- Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 87
- For cooling only model there are following models stop and cooling including drying 87
- For the rooms set with different mode select stand by mode operation lamp flashes 87
- Mode hierarchy 87
- 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 87
- 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 87
- The system will follow the mode determined first first push first set 87
- Frequency control 88
- Command frequency will be determined in the following order of priority 1 limiting frequency by drooping function 89
- D signal 1 p control calculate a total of the 89
- D signal and is used for frequency command 89
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 89
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 89
- D value is large increase the frequency 89
- D value is small lower the frequency when the 89
- D value obtaining the fixed 89
- D value of each room and a total value of q 89
- D value when the 89
- Determine lower limit frequency 89
- Determine prohibited frequency 89
- Determine upper limit frequency 89
- For cooling only model 1 determine command frequency 89
- I control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 89
- Indoor frequency command 89
- Input current discharge pipes freeze prevention dew prevention fin thermistor temperature 1 indoor frequency command 89
- Pi control determine frequency up down by 89
- 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 air flow rate and other factors 89
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 89
- 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 89
- 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 89
- There is a certain prohibited frequency such as a power supply frequency 89
- 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 89
- 3 minutes stand by 91
- Compressor protection function 91
- Controls at mode changing start up 91
- Four way valve operation compensation 91
- Four way valve switching 91
- Preheating operation 91
- Discharge pipe temperature control 92
- Input current control 92
- Freeze up protection control 93
- Heating peak cut control 93
- Fan control 94
- Liquid compression protection function 2 94
- Control specification sibe12 712 95
- Defrost control 95
- 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 4 c 12 c 95
- Function and control 95
- 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 95
- Electronic expansion valve control 96
- Control specification sibe12 712 97
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 97
- Function and control 97
- Disconnection of the discharge pipe thermistor 98
- Fully closing with power on 98
- Gas pipe isothermal control during cooling 98
- Opening limit 98
- Pressure equalization control 98
- Sc control 98
- Starting operation changing operating room control 98
- Control when frequency is changed 99
- High temperature of the discharge pipe 99
- Oil recovery function 99
- Target discharge pipe temperature control 99
- Detection of overload and over current 100
- Insufficient gas control 100
- Malfunctions 100
- Sensor malfunction detection 100
- Detail forced cooling 101
- Detail judgment by input current when an output frequency is exceeds 51 hz 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 101
- 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 101
- Forced operation mode 101
- Outline forced operating mode includes only forced cooling 101
- Preventing indoor freezing 101
- Additional function 102
- Compressor operating frequency and outdoor unit airflow rate are increased 102
- Power supply voltage is detected each time equipment operation starts 102
- Powerful operation mode 102
- Voltage detection function 102
- Instruction 5 104
- Part 5 operation manual 104
- System configuration 4 104
- Operation instructions 105
- System configuration 105
- Ftk x s atk x s ftxg atxg fdk x s flk x s series 106
- Illustrations are for wall mounted type ftxs20 25 35c as representative 106
- Illustrations are for wall mounted type ftxs20 25 35d as representative 106
- Instruction 106
- Manual contents and reference page 106
- Caution 107
- Safety precautions 107
- Warning 107
- A place from where the air discharged from the outdoor unit or the operation noise will not annoy your neighbour 108
- A place solid enough to bear the weight of the unit which does not amplify the operation noise or vibration 108
- Consider nuisance to your neighbours from noises 108
- Electrical work 108
- For installation choose a place as described below 108
- For power supply be sure to use a separate power circuit dedicated to the air conditioner 108
- Installation site 108
- Operation manual 97 108
- Places where snow may block the outdoor unit 108
- Places where sulfide gas occurs such as hot springs 108
- Places with an oily ambient or where steam or soot occurs 108
- Relocating the air conditioner requires specialized knowledge and skills please consult the dealer if reloca tion is necessary for moving or remodeling 108
- Salty environment such as coastal areas 108
- Sibe12 712 instruction 108
- System relocation 108
- Indoor unit 109
- Names of parts 109
- Indoor unit 110
- Outdoor unit 110
- Arc433b50 b4 111
- On off 111
- Remote controller 111
- Ftk x s 20 25 35 c atk x s 20 25 35 d 112
- Indoor unit 112
- Names of parts 112
- Indoor unit 113
- Outdoor unit 113
- Remote controller 114
- Indoor unit 115
- Names of parts 115
- Indoor unit 116
- Outdoor unit 116
- Arc433b41 117
- Remote controller 117
- Indoor unit 118
- Names of parts 118
- Indoor unit 119
- Outdoor unit 119
- Arc433b69 b76 120
- Remote controller 120
- Caution 121
- Indoor unit 121
- Names of parts 121
- Opening the front panel 121
- Indoor unit 122
- Outdoor unit 122
- Arc433b67 b68 123
- On off 123
- Remote controller 123
- Preparation before operation 124
- To set the batteries 124
- Attention 125
- Choose a place from where the sig nals reach the unit 125
- Fix the holder to a wall a pillar or similar location with the screws procured locally 125
- Place the remote controller in the remote controller holder 125
- Preparation before operation 125
- To fix the remote controller holder on the wall 125
- To operate the remote controller 125
- 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 126
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 126
- Operation outside this humidity or temperature range may cause a safety device to disable the system 126
- Press clock button 126
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 126
- To set the clock 126
- Turn the breaker on 126
- Use the air conditioner in the following conditions 126
- Auto dry cool heat fan operation 127
- To change the temperature setting 127
- To start operation 127
- To stop operation 127
- Press fan setting button 128
- To change the air flow rate setting 128
- Adjusting the air flow direction 129
- To adjust the horizontal blades flaps 129
- To adjust the vertical blades louvers 129
- 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 130
- In dry mode or cool mode 130
- In fan mode 130
- In heat mode 130
- Notes on comfort airflow operation 130
- Notes on flaps and louvers angles 130
- Press comfort airflow button 130
- Press comfort airflow button again 130
- The flap will go down 130
- To cancel comfort airflow operation 130
- To start comfort airflow operation 130
- Adjusting the air flow direction 131
- Press swing button 131
- To adjust the horizontal blades flaps 131
- When the flaps have reached the desired position press swing button once more 131
- Adjusting the air flow direction 133
- To 3 d airflow 133
- To adjust the horizontal blade flap 133
- To adjust the vertical blades louvers 133
- To cancel 3 d airflow 133
- Cool dry the flap will go up heat the flap will go down 134
- Press comfort airflow button 134
- Press comfort airflow button again 134
- To cancel comfort airflow operation 134
- To start comfort airflow operation 134
- Adjusting the air flow direction 135
- Press swing button 135
- To adjust the horizontal blade flap 135
- When the flaps have reached the desired position press swing button once more 135
- Powerful operation 137
- To cancel powerful operation 137
- To start powerful operation 137
- Outdoor unit quiet operation 138
- To cancel outdoor unit quiet operation 138
- To start outdoor unit quiet operation 138
- Econo operation 139
- To cancel econo opera tion 139
- To start econo operation 139
- Before using home leave operation 140
- Home leave operation 140
- To cancel home leave operation 140
- To start home leave operation 140
- Intelligent eye operation 142
- To cancel the intelligent eye operation 142
- To start intelligent eye operation 142
- Caution 143
- Intelligent eye is useful for energy saving 143
- Intelligent eye operation 143
- Notes on intelligent eye 143
- Intelligent eye operation 144
- Press sensor button 144
- Press sensor button again 144
- To cancel the intelligent eye operation 144
- To start intelligent eye operation 144
- Intelligent eye operation 146
- Press sensor button 146
- Press sensor button again 146
- To cancel the intelligent eye operation 146
- To start intelligent eye operation 146
- Caution 147
- Intelligent eye is useful for energy saving 147
- Notes on intelligent eye 147
- Timer operation 148
- To cancel the off timer operation 148
- To use off timer opera tion 148
- 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 150
- However outdoor unit quiet operation display remains on the remote controller for other rooms we recommend you release all rooms using their remote controllers 150
- Night quiet mode available only for cooling operation 150
- Night quiet mode reduces slightly the cooling efficiency of the unit 150
- Night quiet mode reduces the operation noise of the outdoor unit during the night time hours to prevent annoyance to neighbors 150
- Night quiet mode requires initial programming during installation please consult your retailer or dealer for assistance 150
- 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 150
- Note for multi system 150
- Operation manual 139 150
- Outdoor unit quiet operation 150
- See priority room setting on the next page 150
- Selecting the operation mode 150
- Sibe12 712 instruction 150
- 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 150
- 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 150
- This system has one outdoor unit connected to multiple indoor units 150
- What is a multi system 150
- When clearing outdoor unit quiet operation clear one of the operating indoor units using their remote controller 150
- 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 150
- 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 150
- Operation mode priority 151
- Priority room setting 151
- Priority when powerful operation is used 151
- Priority when using outdoor unit quiet operation 151
- Room a is the priority room in the examples 151
- The priority room setting requires initial programming during installation please consult your retailer or dealer for assistance 151
- Care and cleaning 152
- Caution 152
- Front panel 152
- Indoor unit outdoor unit and remote controller 152
- Air filter 153
- Filters 153
- Maintenance 153
- Replacement 153
- Titanium apatite photocatalytic air purifying filte 153
- After operation stops turn off the breaker for the room air conditioner 154
- Before a long idle period 154
- Clean the air filters and set them again 154
- Operate the fan only for several hours on a fine day to dry out the inside 154
- Take out batteries from the remote controller 154
- Ftk x s 20 25 35 c atk x s 20 25 35 d 155
- After operation stops turn off the breaker for the room air conditioner 157
- Air purifying filter with photocatalytic deodorizing function with frame 1 set 157
- Air purifying filter with photocatalytic deodorizing function without frame 1 set 157
- Before a long idle period 157
- Clean the air filters and set them again 157
- Dispose of old filters as burnable waste 157
- Operate the fan only for several hours on a fine day to dry out the inside 157
- Press mode button and select fan operation 157
- Press on off button and start operation 157
- Take out batteries from the remote controller 157
- Care and cleaning 158
- Caution 158
- Front panel 158
- Indoor unit outdoor unit and remote controller 158
- Air filter 159
- Filters 159
- Maintenance 159
- Replacement 159
- Titanium apatite photocatalytic air purifying filte 159
- After operation stops turn off the breaker for the room air conditioner 160
- Before a long idle period 160
- Clean the air filters and set them again 160
- Operate the fan only for several hours on a fine day to dry out the inside 160
- Take out batteries from the remote controller 160
- 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 160
- Before cleaning be sure to stop the operation and turn the breaker off 161
- Care and cleaning 161
- Caution 161
- Cleaning the air filter 161
- Fdk x s 25 35 c fdk x s 25 35 e 161
- Only a qualified service person is allowed to perform maintenance 161
- Removing the air filter 161
- Replacing the air filter 161
- After operation stops turn off the breaker for the room air conditioner 162
- Before a long idle period 162
- Caution 162
- Clean the air filters and set them again 162
- Cleaning the drain pan 162
- Operate the fan only for several hours on a fine day to dry out the inside 162
- Take out batteries from the remote controller 162
- Before cleaning be sure to stop the operation and turn the breaker off 163
- Care and cleaning 163
- Caution 163
- Clean the front panel 163
- Close the front panel 163
- Front panel 163
- Indoor unit outdoor unit and remote controller 163
- Open the front panel 163
- Wipe them with dry soft cloth 163
- Air filter 164
- Air purifying filter green 164
- Clean or replace each filter 164
- Detach the filter element and attach a new one 164
- Dry the photocatalytic deodorizing filter in the sun 164
- Filters 164
- Insert claws of the filters into slots of the front panel 164
- Maintenance 164
- Open the front panel 2 pull out the air filters 164
- Photocatalytic deodorizing filter gray 164
- Replacement 164
- Set the air filter air purifying filter and photocatalytic deodorizing filter as they were and close the front panel 164
- Take off the air purifying filter photocatalytic deodorizing filter 164
- Wash the air filters with water or clean them with vacuum cleaner 164
- After operation stops turn off the breaker for the room air conditioner 165
- Before a long idle period 165
- Clean the air filters and set them again 165
- Operate the fan only for several hours on a fine day to dry out the inside 165
- Take out batteries from the remote controller 165
- Case explanation 166
- These cases are not troubles 166
- Trouble shooting 166
- Troubleshooting 166
- Case check 167
- Check again 167
- Call the service shop immediately 168
- Disposal requirements 168
- Important information regarding the refrigerant used 168
- 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 168
- Turn the breaker off and call the service shop 168
- Warning 168
- We recommend periodical maintenance 168
- Fault diagnosis 169
- Instruction sibe12 712 169
- Operation manual 169
- The code indication changes as shown below and notifies with a long beep 169
- Caution 170
- Fvk x s series 170
- Safety precautions 170
- Warning 170
- Consider nuisance to your neighbours from noises 171
- Electrical work 171
- Installation site 171
- System relocation 171
- Caution 172
- Indoor unit 172
- Names of parts 172
- Opening the front panel 172
- 35 class 50 class 173
- Indoor unit 173
- Outdoor unit 173
- 10 12 13 15 18 20 174
- 8 11 14 174
- Remote controller 174
- Attention 175
- Preparation before operation 175
- To fix the remote controller holder on the wall 175
- To operate the remote controller 175
- To set the batteries 175
- Preparation before operation 176
- To set the clock 176
- Please note 177
- Tips for saving energy 177
- Turn the breaker on 177
- Turning on the breaker closes the flap this is a normal procedure 177
- Auto dry cool heat fan operation 178
- To change the temperature setting 178
- To start operation 178
- To stop operation 178
- Press fan setting button 179
- To change the air flow rate setting 179
- Adjusting the air flow direction 180
- Notes on flap and louvers angle 180
- To adjust the horizontal blade flap 180
- To adjust the vertical blades louvers 180
- Air flow selection 181
- Caution 181
- When setting the air flow selection switch to 181
- When setting the air outlet selection switch to 181
- Powerful operation 182
- To cancel powerful operation 182
- To start powerful operation 182
- Outdoor unit quiet operation 183
- To cancel outdoor unit quiet operation 183
- To start outdoor unit quiet operation 183
- Econo operation 184
- To cancel econo operation 184
- To start econo operation 184
- Timer operation 185
- To cancel the off timer operation 185
- To use off timer operation 185
- Attention 186
- Timer operation 186
- To cancel on timer operation 186
- To combine on timer and off timer 186
- To use on timer operation 186
- To use weekly timer operation 187
- Weekly timer operation 187
- Press button to complete the setting 188
- Press next button 188
- Press select button to select the desired temperature 188
- Weekly timer operation 188
- Press weekly button to deactivate the weekly operation 189
- To cancel weekly timer operation 189
- Canceling all reservations 190
- Canceling individual reservations 190
- Confirming a reservation 190
- Hold the weekly button for 5 seconds 190
- Press button 190
- Press select button to select the day of the week and the reservation number to be confirmed 190
- Select the day of the week to be canceled with the select button 190
- Weekly timer operation 190
- Press button 191
- Press button 2 191
- Press copy button 191
- Setting weekly timer using copy mode 191
- Night quiet mode available only for cooling operation 192
- Note for multi system 192
- Outdoor unit quiet operatio 192
- Selecting the operation mode 192
- Note for multi system 193
- Operation mode priority 193
- Priority room setting 193
- Priority when powerful operation is used 193
- Priority when using outdoor unit quiet operation 193
- Care and cleaning 194
- Caution 194
- Front panel 194
- Indoor unit outdoor unit and remote controller 194
- Air filter 195
- Filters 195
- Maintenance 195
- Replacement 195
- Titanium apatite photocatalytic air purifying filter 195
- After operation stops turn off the breaker for the room air conditioner 196
- Before a long idle period 196
- Clean the air filters and set them again 196
- Operate the fan only for several hours on a fine day to dry out the inside 196
- Take out batteries from the remote controller 196
- Case explanation 197
- These cases are not troubles 197
- Trouble shooting 197
- Troubleshooting 197
- Are operation modes all the same for indoor units connected to outdoor units in the multi system if not set all indoor units to the same operation mode and confirm that the lamps flash moreover when the operation mode is in auto set all indoor unit operation modes to cool or heat for a moment and check again that the lamps are normal if the lamps stop flashing after the above steps there is no malfunction 198
- Case check 198
- Check again 198
- Call the service shop immediately 199
- Disposal requirements 199
- Important information regarding the refrigerant used 199
- 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 199
- Turn the breaker off and call the service shop 199
- Warning 199
- We recommend periodical maintenance 199
- A short beep and two consecutive beeps indicate non corresponding codes 200
- Fault diagnosis 200
- Fault diagnosis by remote controller 200
- In the arc452a series the temperature display sections on the main unit indicate corresponding codes 200
- Press the timer cancel button repeatedly until a continuous beep is produced the code indication changes as shown below and notifies with a long beep 200
- To cancel the code display hold the timer cancel button down for 5 seconds the code display also cancel itself if the button is not pressed for 1 minute 200
- When the timer cancel button is held down for 5 seconds a indication flashes on the temperature display section 200
- Caution for diagnosis 92 2 problem symptoms and measures 94 3 service check function 95 202
- Check 37 202
- Part 6 service diagnosis 202
- Troubleshooting 99 202
- Caution for diagnosis 203
- Problem symptoms and measures 205
- Arc433 series 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 206
- Check method 1 206
- 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 206
- Press the timer cancel button repeatedly until a continuous beep is produced 206
- Service check function 206
- The code indication changes in the sequence shown below and notifies with a long beep 206
- The temperature display sections on the main unit indicate corresponding codes 206
- Arc452a series 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 207
- 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 207
- Press the timer cancel button repeatedly until a continuous beep is produced 207
- The code indication changes in the sequence shown below and notifies with a long beep 207
- Timer cancel button 207
- Check method 2 208
- Displayed only when system down occurs 210
- Error codes and description 210
- Troubleshooting 210
- Indoor unit pcb abnormality 211
- Freeze up protection control or high pressure control 212
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 213
- Check no 6 refer to p 40 213
- Service diagnosis 213
- Troubleshooting 213
- Troubleshooting sibe12 712 213
- Ac motor 214
- Check no 6 refer to p 45 214
- Detection error due to faulty control pcb 214
- Fan motor or related abnormality 214
- Malfunction decision conditions 214
- Method of malfunction detection 214
- Operation halt due to breaking of the fan motor lead wires 214
- Operation halt due to breaking of wire inside the fan motor 214
- Operation halt due to faulty capacitor of the fan motor 214
- Operation halt due to short circuit inside the fan motor winding 214
- Remote controller display 214
- Supposed causes 214
- The rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor operation 214
- Troubleshooting 214
- 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 214
- Dc motor 215
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 216
- Check no 1 refer to p 37 216
- Service diagnosis 205 216
- Sibe12 712 troubleshooting 216
- Troubleshooting 216
- Thermistor or related abnormality indoor unit 217
- 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 218
- Front panel open close fault 218
- Malfunction decision conditions 218
- Malfunction of the limit switch 218
- Malfunction of the reduction motor 218
- Malfunction or deterioration of the front panel mechanism 218
- Method of malfunction detection 218
- Remote controller display 218
- Supposed causes 218
- The system will be shut down when the error occurs twice 218
- Troubleshooting 218
- Freeze up protection control 219
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 220
- Check no 4 refer to p 37 220
- Check no 6 refer to p 40 220
- Service diagnosis 209 220
- Sibe12 712 troubleshooting 220
- Troubleshooting 220
- A compressor overload is detected through compressor ol 221
- Check no 1 refer to p 43 221
- Check no 4 refer to p 37 221
- Check no 5 refer to p 39 221
- Check no 6 refer to p 40 221
- Electronic expansion valve defective 221
- Four way valve malfunctioning 221
- If the compressor ol is activated twice the system will be shut down 221
- Malfunction decision conditions 221
- Method of malfunction detection 221
- Ol activation compressor overload 221
- Outdoor unit pcb defective 221
- Refrigerant shortage 221
- Remote controller display 221
- Stop valve defective 221
- Supposed causes 221
- 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 221
- The operating temperature condition is not specified 221
- Troubleshooting 221
- Water mixed in the local piping 221
- Clearing condition continuous run for about 11 minutes normal 222
- Compressor lock 222
- Compressor locked 222
- Disconnection of compressor harness 222
- Judging from current waveform generated when high frequency voltage is applied to the compressor 222
- Malfunction decision conditions 222
- Method of malfunction detection 222
- Note if the model doesn t have spm replace the outdoor unit pcb 222
- Remote controller display 222
- Supposed causes 222
- The system will be shut down if the error occurs 16 times 222
- Troubleshooting 222
- Dc fan lock 223
- Input over current detection 224
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 225
- Check no 4 refer to p 44 225
- Check no 7 refer to p 41 225
- Check no 8 refer to p 42 225
- Note if the model doesn t have spm replace the outdoor unit pcb 225
- Service diagnosis 225
- Troubleshooting 225
- Troubleshooting sibe12 712 225
- Check no 1 refer to p 43 226
- Check no 4 refer to p 37 226
- Check no 6 refer to p 40 226
- Discharge pipe temperature control 226
- Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective 226
- Electronic expansion valve defective 226
- Four way valve malfunctioning 226
- If the compressor stops 6 times successively due to abnormal discharge pipe temperature the system will be shut down 226
- 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 226
- Malfunction decision conditions 226
- Method of malfunction detection 226
- Outdoor unit pcb defective 226
- Refrigerant shortage 226
- Remote controller display 226
- Stop valve defective 226
- Supposed causes 226
- The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 226
- 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 226
- The error is cleared when the temperature has dropped below 95 c 226
- Troubleshooting 226
- Water mixed in the local piping 226
- High pressure control in cooling 227
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 228
- Check no 4 refer to p 37 228
- Check no 6 refer to p 40 228
- Check no 7 refer to p 41 228
- Check no 9 refer to p 42 228
- Service diagnosis 217 228
- Sibe12 712 troubleshooting 228
- Troubleshooting 228
- Compressor sensor system abnormality 229
- Position sensor abnormality 230
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 231
- Check no 3 refer to p 44 231
- Check no 8 refer to p 42 231
- Service diagnosis 231
- Troubleshooting 231
- Troubleshooting sibe12 712 231
- Dc voltage dc current sensor abnormality 232
- P4 j3 j6 j8 j9 h9 233
- Thermistor or related abnormality outdoor unit 233
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 234
- Check no 6 refer to p 40 234
- Discharge pipe thermistor 234
- Gas pipe thermistor 234
- Liquid pipe thermistor 234
- Outdoor temperature thermistor 234
- Outdoor unit heat exchanger thermistor 234
- Radiation fin thermistor 234
- Service diagnosis 223 234
- Sibe12 712 troubleshooting 234
- Troubleshooting 234
- Electrical box temperature rise 235
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 236
- Check no 6 refer to p 40 236
- Check no 7 refer to p 41 236
- Check no 9 refer to p 42 236
- Service diagnosis 225 236
- Sibe12 712 troubleshooting 236
- Troubleshooting 236
- Radiation fin temperature rise 237
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 238
- Check no 6 refer to p 40 238
- Check no 7 refer to p 41 238
- Check no 9 refer to p 42 238
- Service diagnosis 227 238
- Sibe12 712 troubleshooting 238
- Troubleshooting 238
- Output over current detection 239
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 240
- Check no 3 refer to p 44 240
- Check no 7 refer to p 41 240
- Check no 8 refer to p 42 240
- Note if the model doesn t have spm replace the outdoor unit pcb 240
- Service diagnosis 229 240
- Sibe12 712 troubleshooting 240
- Troubleshooting 240
- Insufficient gas 241
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 242
- Check no 4 refer to p 37 242
- Check no 6 refer to p 40 242
- Service diagnosis 231 242
- Sibe12 712 troubleshooting 242
- Troubleshooting 242
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 243
- 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 243
- Clearing condition continuous run for about 60 minutes normal 243
- Malfunction decision conditions 243
- Method of malfunction detection 243
- Over voltage detection low voltage detection 243
- Over voltage detector or dc voltage detection circuit defective 243
- Pam control part s defective 243
- Remote controller display 243
- Supply voltage not as specified 243
- Supposed causes 243
- The system will be shut down if the error occurs 255 times 243
- Troubleshooting 243
- A wrong connection is detected by checking the combination of indoor and outdoor units on the microcomputer 244
- Anti icing function in other rooms unspecified voltage between indoor and outdoor units 244
- Malfunction decision conditions 244
- Method of malfunction detection 244
- Operation halt due to the anti icing function in other rooms 244
- Operation halt due to unspecified voltage between indoor and outdoor units 244
- Pcb wrongly connected 244
- Remote controller display 244
- Supposed causes 244
- Troubleshooting 244
- Wrong connections at the indoor unit 244
- Outdoor unit pcb abnormality or signal transmission circuit abnormality 245
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 246
- Service diagnosis 235 246
- Sibe12 712 troubleshooting 246
- Troubleshooting 246
- Check no 0 refer to p 42 247
- Service diagnosis 247
- Troubleshooting sibe12 712 247
- Electronic expansion valve check 248
- Fan motor connector output check 248
- How to check 248
- Limit switch continuity check 248
- Check no 5 250
- Four way valve performance check 250
- Service diagnosis 239 250
- Sibe12 712 check 250
- 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 251
- Thermistor resistance check 251
- Check no 7 252
- Installation condition check 252
- Service diagnosis 241 252
- Sibe12 712 check 252
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 253
- Check no 8 253
- Check no 9 253
- Check sibe12 712 253
- Check to see if the power supply waveform is a sine wave fig 253
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 253
- Discharge pressure check 253
- Fig fig 253
- Outdoor unit fan system check with dc motor 253
- Power supply waveforms check 253
- Service diagnosis 253
- Capacitor voltage check 254
- Check no 1 254
- Check no 2 before this checking be sure to check the main circuit for short circuit 254
- Checking the capacitor voltage 254
- Inverter units refrigerant system check 254
- Service diagnosis 243 254
- Sibe12 712 check 254
- With the circuit breaker still on measure the voltage according to the drawing be careful never to touch any live parts 254
- Check no 3 255
- Check no 4 255
- Check the continuity with the tester reverse the pins and make sure there is continuity 255
- Checking the main circuit electrolytic capacitor 255
- Checking the power transistor 255
- For the uvw make measurements at the faston terminal on the pcb or the relay connector 255
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 255
- If unavoidably necessary to touch a live part make sure there is no dc voltage using the tester 255
- Main circuit electrolytic capacitor check 255
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 255
- Power transistor check 255
- Hall ic check 256
- Turning speed pulse input on the outdoor unit pcb check 256
- Others 48 258
- Part 7 others 258
- Others 259
- Test run from the remote controller 259
- 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 260
- How to set the different addresses 260
- Jumper setting 260
- Jumper settings 260
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 260
- When two units are installed in one room 260
- Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 260
- Adjusting the angle of the intelligent eye sensor 261
- Part 8 appendix 262
- Piping diagrams 52 262
- Wiring diagrams 57 262
- Indoor units 263
- Piping diagrams 263
- Wall mounted type 263
- Appendix 253 264
- Ftxs20 25 35cavmb atxs20 25 35davmb 264
- Sibe12 712 piping diagrams 264
- Appendix 265
- Duct connected type 265
- Fdk x s25 35cavmb fdk x s25 35eavmb 265
- Flks25 35bavmb 265
- Floor ceiling suspended dual type 265
- Piping diagrams sibe12 712 265
- Thermistor on heat exch 265
- Appendix 255 266
- Floor standing type 266
- Flxs25 35bavmb 266
- Fvxs25 35fv1b 266
- Sibe12 712 piping diagrams 266
- Appendix 267
- Mks40fv1b 2amk40fv1b 267
- Mxs40fv1b 2amx40fv1b 267
- Outdoor units 267
- Piping diagrams sibe12 712 267
- Indoor units 268
- Wall mounted type 268
- Wiring diagrams 268
- Appendix 269
- D050493 269
- Ftxg25 35ev1bw s atxg25 35ev1b 269
- Wiring diagrams sibe12 712 269
- Appendix 259 270
- D033909e 270
- D045012k 270
- Duct connected type 270
- Fdk x s25 35cavmb fdk x s25 35eavmb 270
- Field wiring 270
- Flk x s25 35bavmb 270
- Floor ceiling suspended dual type 270
- Sibe12 712 wiring diagrams 270
- Transmission 270
- Appendix 271
- D055953 271
- Floor standing type 271
- Fvxs25 35fv1b 271
- Wiring diagrams sibe12 712 271
- Appendix 261 272
- Mks40fv1b 2amk40fv1b 272
- Mxs40fv1b 2amx40fv1b 272
- Outdoor units 272
- Sibe12 712 wiring diagrams 272
- Numerics 274
- Drawings flow charts 278
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