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Printed Circuit Board Connector Wiring Diagram Si12-308
64 Printed Circuit Board Connector Wiring Diagram
PCB Detail
Содержание
- B series 1
- Manual 1
- Service 1
- Si12 308 1
- Cooling only indoor unit 2
- Heat pump indoor unit 2
- Outdoor unit 2
- Super multi nx super multi nx super multi nx super multi nx b series b series b series b series 2
- Connector wiring diagram 1 3
- Control specification 2 3
- Function of main structural parts 7 3
- Introduction vii 3
- List of functions 3
- Main functions 4 3
- Part 1 list of functions 3
- Part 2 specifications 9 3
- Part 3 printed circuit board 3
- Part 4 function and control 3 3
- Printed circuit board connector wiring diagram 2 3
- Specifications 0 3
- Table of contents 3
- Caution for diagnosis 66 4
- Instruction 13 4
- Part 5 system configuration 11 4
- Part 6 service diagnosis 65 4
- Problem symptoms and measures 68 3 service check function 69 4 code indication on the remote controller 70 4
- System configuration 12 4
- Troubleshooting 71 4
- Check 07 5
- Others 58 5
- Outdoor unit 52 58 68 75 class 42 5
- Outdoor unit 80 90 class 18 5
- Part 7 removal procedure 17 5
- Part 8 others 57 5
- Drawings flow charts v 6
- Index i 6
- Part 9 appendix 61 6
- Piping diagrams 62 6
- Wiring diagrams 75 6
- Caution in repair 8
- Introduction 8
- Safety cautions 8
- Warning 8
- Caution 9
- Cautions regarding products after repair 9
- Warning 9
- Caution 10
- Inspection after repair 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
- Using icons 11
- Using icons list 11
- Warning 11
- Part 1 list of functions 12
- Cooling only models 13
- Holding functions no functions 13
- List of functions 13
- Holding functions no functions 14
- Holding functions no functions 15
- Holding functions no functions 16
- Holding functions no functions 17
- Holding functions no functions 18
- Holding functions no functions 19
- Holding functions no functions 20
- Heat pump models 21
- Holding functions no functions 21
- Holding functions no functions 22
- Holding functions no functions 23
- Holding functions no functions 24
- Holding functions no functions 25
- Holding functions no functions 26
- Holding functions no functions 27
- 52 68 class 30m 80 class 40m 28
- Digital only 28
- Holding functions no functions 28
- Part 2 specifications 30
- Indoor units cooling only 31
- Specifications 31
- Specifications si12 308 31
- Wall mounted type 50hz 220 230 240v 60hz 220 230v 31
- Hz 220 230 240v 60hz 220 230v 32
- Si12 308 specifications 32
- Specifications 21 32
- Specifications 33
- Specifications si12 308 33
- Wall mounted type 50hz 220 230 240v 60hz 220 230v 33
- Hz 220 230 240v 60hz 220 230v 34
- Si12 308 specifications 34
- Specifications 23 34
- Specifications 35
- Specifications si12 308 35
- Wall mounted type 60hz 220v 35
- Hz 220v 36
- Si12 308 specifications 36
- Specifications 25 36
- Specifications 37
- Specifications si12 308 37
- Wall mounted type 230v 50hz 37
- Si12 308 specifications 38
- Specifications 27 38
- V 50hz 38
- Duct connected type 50hz 220 230 240v 60hz 220 230v 39
- Specifications 39
- Specifications si12 308 39
- Duct connected type 50hz 220 230 240v 60hz 220 230v 40
- Si12 308 specifications 40
- Specifications 29 40
- Duct connected type 230v 50hz 41
- Specifications 41
- Specifications si12 308 41
- Floor ceiling suspended dual type 50hz 220 230 240v 60hz 220 230v 42
- Si12 308 specifications 42
- Specifications 31 42
- Floor ceiling suspended dual type 230v 50hz 43
- Specifications 43
- Specifications si12 308 43
- Floor standing type 230v 50hz 44
- Si12 308 specifications 44
- Specifications 33 44
- Hz 220 230 240v 60hz 220 230v 45
- Outdoor units cooling only 45
- Specifications 45
- Specifications si12 308 45
- Hz 220 230 240v 60hz 220 230v 46
- Si12 308 specifications 46
- Specifications 35 46
- Hz 220 230 240v 60hz 220 230v 47
- Specifications 47
- Specifications si12 308 47
- Hz 220 240v 60hz 220 230v 48
- Si12 308 specifications 48
- Specifications 37 48
- Hz 220v 49
- Specifications 49
- Specifications si12 308 49
- Si12 308 specifications 50
- Specifications 39 50
- V 50hz 50
- Specifications 51
- Specifications si12 308 51
- V 50hz 51
- Indoor units heat pump 52
- Si12 308 specifications 52
- Specifications 41 52
- Wall mounted type 50hz 220v 52
- Hz 220v 53
- Specifications 53
- Specifications si12 308 53
- Si12 308 specifications 54
- Specifications 43 54
- Wall mounted type 50hz 220 230 240v 60hz 220 230v 54
- Hz 220 230 240v 60hz 220 230v 55
- Specifications 55
- Specifications si12 308 55
- Si12 308 specifications 56
- Specifications 45 56
- Wall mounted type 60hz 220v 56
- Hz 220v 57
- Specifications 57
- Specifications si12 308 57
- Si12 308 specifications 58
- Specifications 47 58
- Wall mounted type 230v 50hz 58
- Specifications 59
- Specifications si12 308 59
- V 50hz 59
- Duct connected type 50hz 220v 60
- Si12 308 specifications 60
- Specifications 49 60
- Duct connected type 50hz 220 230 240v 60hz 220 230v 61
- Specifications 61
- Specifications si12 308 61
- Duct connected type 230v 50hz 62
- Si12 308 specifications 62
- Specifications 51 62
- Floor ceiling suspended dual type 50hz 220 230 240v 60hz 220 230v 63
- Specifications 63
- Specifications si12 308 63
- Floor ceiling suspended dual type 230v 50hz 64
- Si12 308 specifications 64
- Specifications 53 64
- Floor standing type 230v 50hz 65
- Specifications 65
- Specifications si12 308 65
- Hz 220v 66
- Outdoor units heat pump 66
- Si12 308 specifications 66
- Specifications 55 66
- Hz 220 240v 60hz 220 230v 67
- Specifications 67
- Specifications si12 308 67
- Hz 220v 68
- Si12 308 specifications 68
- Specifications 57 68
- Specifications 69
- Specifications si12 308 69
- V 50hz 69
- Si12 308 specifications 70
- Specifications 59 70
- V 50hz 70
- Part 3 printed circuit board connector wiring diagram 72
- Printed circuit board connector wiring diagram 73
- Wall mounted type 25 35 class 73
- Printed circuit board connector wiring diagram 63 74
- Si12 308 printed circuit board connector wiring diagram 74
- Pcb detail 75
- Wall mounted type 50 60 71 class 76
- Pcb 2 signal receiver pcb pcb 3 buzzer pcb 77
- Pcb 4 display pcb pcb 5 intelligent eye sensor pcb 77
- Pcb detail pcb 1 control pcb indoor unit 77
- Printed circuit board connector wiring diagram 77
- Printed circuit board connector wiring diagram si12 308 77
- Floor ceiling suspended dual type 78
- Duct connected type 80
- Floor standing type 81
- Outdoor units 83
- Control specification 2 84
- Function of main structural parts 7 84
- Main functions 4 84
- Part 4 function and control 84
- Part 4 part 4 part 4 part 4 function and control function and control function and control function and control 84
- Additional control parameters 85
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 85
- Forced cooling heating operation 85
- Frequency principle 85
- Frequency restrictions 85
- Initial settings 85
- 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 85
- 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 85
- Main functions 85
- Note see the list of functions for the functions applicable to different models 85
- The difference between the room temperature and the set temperature 85
- The load condition of the operating indoor unit 85
- The target frequency is adapted by additional parameters in the following cases 85
- 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 86
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 86
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor air temperature is 2 c 86
- Forced cooling heating operation for more information refer to forced operation mode on page 106 86
- Frequency limits the following table shows the functions that define the minimum and maximum frequency 86
- Inverter features the inverter provides the following features 86
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 86
- The regulating capacity can be changed according to the changes in the outdoor air temperature and cooling heating load 86
- Power airflow dual flaps wide angle louvers and auto swing 87
- 35kw class 500 860 rpm during powerful operation 850 910 rpm 50 60 71kw class 750 1000 rpm during powerful operation 1050 rpm 88
- Automatic air flow control for cooling 88
- Automatic air flow control for heating 88
- 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 88
- Fan speed control for indoor units 88
- For more information about hall ic refer to the troubleshooting for fan motor on page 176 88
- Function and control 77 88
- H hh powerful 88
- Ll cooling thermostat off sl silent 88
- Note 1 during powerful operation fan operates h tap 50 90 rpm 2 fan stops during defrost operation 88
- Phase steps phase control and fan speed control contains 9 steps lll ll sl l ml m mh h and hh 88
- Si12 308 main functions 88
- Step cooling heating dry mode lll heating thermostat off 88
- The following drawing explains the principle for fan speed control for heating 88
- The following drawing explains the principle of fan speed control for cooling 88
- Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 88
- 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 89
- Programme dry function 89
- 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 89
- Automatic operation 90
- Night set mode 91
- 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 92
- Function and control 81 92
- In case of fan mode the fan speed reduces by 50 rpm 92
- Intelligent eye 92
- Processing 1 detection method by intelligent eye 92
- Si12 308 main functions 92
- The motions for example in cooling 92
- 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 92
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 92
- When a microcomputer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature sifted 2 c from the set temperature cooling 2 c higher dry 1 c higher and auto according to the operation mode at that time 92
- Home leave operation 94
- 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 in case of wall mounted type 50 60 71 class 95
- Ex powerful operation in cooling mode 95
- Inverter powerful operation 95
- 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 95
- Tpf 20min 95
- Air purifying filter 96
- Air purifying filter with photocatalytic deodorizing function 96
- Hot start function 96
- Mold proof air filter 96
- On off button on indoor unit 96
- Other functions 96
- Photocatalytic deodorizing filter 96
- Signal receiving sign 96
- Auto restart function 97
- Self diagnosis digital display 97
- Compressor a swing compressor being operated by inv control 98
- Cooling only model 98
- Function and control 87 98
- Function of main structural parts 98
- Heat pump model 98
- Main structural parts 98
- Note 1 expansion valve in case of 2mk x eva b 3mk x eva c 4mk x eva d 2 liquid pipe thermistor r410a type only 98
- Si12 308 function of main structural parts 98
- Function of thermistor 99
- Heat pump model 99
- Cooling only model 101
- Control specification 103
- Control specification si12 308 103
- Detail air conditioner s control mode 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 103
- 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 1 the system will follow the mode determined first first push first set 2 for the rooms set with different mode select stand by mode operation lamp flashes 103
- For cooling only model there are following models stop and cooling including drying 103
- Function and control 103
- Mode hierarchy 103
- Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation an indoor fan operation command cannot be made in a multiple indoor unit a forced fan command to the indoor unit from the outdoor unit must be made during forced operation 103
- 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 103
- Frequency control 104
- D signal 1 p control calculate a total of the 105
- D signal and is used for frequency command 105
- D signal the difference between a room temperature and the temperature set by the remote controller will be taken as the 105
- D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 2 i control if the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the 105
- D value is large increase the frequency 3 limit of frequency variation width when the difference between input current and input current drooping value is less than 1 a the frequency increase width must be limited 4 frequency management when other controls are functioning 105
- D value is small lower the frequency when the 105
- D value obtaining the fixed 105
- D value of each room and a total value of q 105
- D value when the 105
- Determine upper limit frequency 105
- For limiting lower limit frequency management is carried out only when the frequency rises 5 upper and lower limit of frequency by pi control the frequency upper and lower limits are set depending on the total of s values of a room when low noise commands come from the indoor unit more than one room or when outdoor unit low noise or quiet commands come from all the rooms the upper limit frequency must be lowered than the usual setting 105
- Frequency initial setting 105
- Indoor frequency command 105
- Outline 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 105
- Pi control determine frequency up down by 105
- Q of the operating room the room in which the thermos is set to on q value indoor unit output determined from indoor unit volume air flow rate and other factors 105
- Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions pressure difference upkeep 4 determine prohibited frequency 105
- 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 up protection dew prevention fin thermistor temperature 3 determine lower limit frequency 105
- 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 105
- There is a certain prohibited frequency such as a power supply frequency 105
- When each frequency is drooping frequency management is carried out only when the frequency droops 105
- 3 minutes stand by 106
- Compressor protection function 106
- Controls at mode changing start up 106
- Four way valve operation compensation 106
- Four way valve switching 106
- Preheating operation 106
- Discharge pipe control 107
- Input current control 107
- Freeze up protection control 108
- Heating peak cut control 108
- Fan control 109
- Moisture protection function 2 109
- Defrost control 110
- Low hz high pressure limit 110
- Electronic expansion valve control 111
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 112
- Function and control 101 112
- Si12 308 control specification 112
- Fully closing with power on 113
- Gas pipe isothermal control during cooling 113
- High temperature of the discharge pipe 113
- Oil recovery function 113
- Opening limit 113
- Pressure equalization control 113
- Starting operation control changing operation room 113
- Disconnection of the discharge pipe thermistor 114
- Sc control 114
- Target discharge pipe temperature control 114
- Control when frequency is changed 115
- When the target pipe temperature control is active if the target frequency is changed for a specified value in a certain time period cancel the target discharge pipe temperature control and change the opening of the target electronic expansion valve according to the shift 115
- Detection of overload and over current 116
- Insufficient gas control 116
- Malfunctions 116
- Sensor malfunction detection 116
- Detail forced cooling forced heating only for heat pump model 117
- Detail judgment by input current when an output frequency is exceeds 55 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 20 c higher than target value and the electronic expansion value opening is 450 plus max the adjustment is made for insufficient gas 117
- 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 117
- Forced operation mode 117
- Outline forced operating mode includes functions such as forced cooling forced heating incorrect wiring incorrect piping check operating mode must be selected by operating the forced operation switch 117
- Preventing indoor freezing 117
- Wiring error check 118
- Checking the current setting data on the microcomputer memory 119
- Control specification si12 308 119
- Example let s suppose the led indicators are flashing as follows 119
- Function and control 119
- The above means that port a is connected with port b and port b with room a or self corrected this way 119
- Those data can be checked by looking at the service monitor led indicators when the wiring error checking is over during forced operation at the stop of the system the led indicators stop flashing when the forced operation is over led1 room a wiring led2 room b wiring 1st flashing led port a piping 2nd flashing led port b piping the first stay on led means the room that is connected with port a the next stay on led means the one connected with port b 119
- Additional function 120
- Connection pipe condensation preventing function 120
- Powerful operation mode 120
- Priority room setting 120
- Voltage detection function 120
- Cooling heating mode lock 121
- Instruction 13 122
- Part 5 part 5 part 5 part 5 system configuration system configuration system configuration system configuration 122
- Part 5 system configuration 122
- System configuration 12 122
- Operation instructions 123
- System configuration 123
- Illustrations are for wall mounted type ftk x e25 35b as representative 124
- Instruction 124
- Manual contents by the models 124
- Note this instruction is appropriate for r22 models 124
- Caution 125
- Is manual where the operator can easily find them read this manual attentively before starting up the unit for safety reason the operator must read the following cautions carefully this manual classifies precautions into warnings and cautions be sure to follow all precau tions below they are all importan 125
- Safety precautions 125
- Warning 125
- Consider nuisance to your neighbours from noises 126
- Electrical work 126
- Installation site 126
- System relocation 126
- I indoor unit 127
- Names of parts 127
- On off 127
- I outdoor unit 128
- Iiii outdoor unit 128
- Indoor unit 128
- Arc433a1 a2 129
- I remote controller 129
- I indoor unit 130
- I main unit control panel 130
- Names of parts 130
- Indoor unit 131
- Outdoor unit 131
- Arc433a21 a22 132
- I remote controller 132
- I indoor unit 133
- Names of parts 133
- I outdoor unit 134
- Indoor unit 134
- Outdoor unit 134
- Arc433a7 a8 135
- I remote controller 135
- Caution 136
- I indoor unit 136
- Names of parts 136
- Indoor unit 137
- Outdoor unit 137
- Arc433a5 a6 138
- I remote controller 138
- I to set the batteries 139
- Preparation before operation 139
- Attention 140
- Choose a place from where the sig nals reach the unit 140
- Fix the holder to a wall a pillar etc with the screws supplied with the holder 140
- I to fix the remote controller holder on the wall 140
- I to operate the remote controller 140
- Place the remote controller in the remote controller holder 140
- Preparation before operation 140
- Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 141
- Blocking sunlight and air from outdoors increases the cooling heating effect 141
- Cancel 141
- Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 141
- Condensation may occur on the indoor unit and drip 141
- Cover windows with a blind or a curtain 141
- I to set the clock 141
- I turn the breaker on 141
- If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 141
- Indoor temperature 10 to 30 c 141
- Indoor temperature 18 to 32 c indoor humidity 80 max 141
- Instruction si12 308 141
- Operation outside this humidity or temperature range may cause a safety device to disable the system 141
- Press clock button 141
- Press timer setting button to set the clock to the present time 141
- Recommended temperature setting 141
- Sensor 141
- Silent 141
- System configuration 141
- The air conditioner always consumes 15 35 watts of electricity even while it is not operating 141
- Use the air conditioner in the following conditions 141
- Auto dry cool heat fan operation 142
- I to change the temperature setting 142
- I to start operation 142
- I to stop operation 142
- I to change the air flow direction 143
- I to change the air flow rate setting 143
- Press fan setting button 143
- Adjusting the air flow direction 144
- I to adjust the horizontal blades flaps 144
- You can adjust the air flow direction to increase your com fort 144
- Attention 145
- I to adjust the vertical blades louvres 145
- Notes on flaps and louvres angles 145
- Swing button 145
- Adjusting the air flow direction 146
- I to adjust the horizontal blade flap 146
- I to adjust the vertical blades louvers 146
- I to 3 d airflow 147
- I to cancel 3 d airflow 147
- Notes on flap angle 147
- Notes on louvers angles 147
- Press swing button 147
- Press swing button the display will light up and the flaps and louvers will move in turn 147
- Adjusting the air flow direction 148
- I to adjust the horizontal blade flap 148
- Press swing button 148
- When the flaps have reached the desired position press swing button once more 148
- Attention 149
- I to adjust the vertical blades louvres 149
- Notes on flap and louvres angles 149
- I to cancel powerful operation 150
- I to start powerful operation 150
- Powerful operation 150
- I to cancel outdoor unit silent operation 151
- I to start outdoor unit silent operation 151
- Outdoor unit silent operation 151
- Before using home leave operation 152
- Home leave operation 152
- I to cancel home leave operation 152
- I to start home leave operation 152
- To set the temperature and air flow rate for home leave operation 152
- When using home leave operation for the first time please set the temperature and air flow rate for home leave operation 152
- I useful in these cases 153
- I what s the home leave operation 153
- Use as a favorite mode 153
- Use as an energy saving mode 153
- Intelligent eye operation 154
- Caution 155
- I to adjust the angle of the intelligent eye sensor 155
- Intelligent eye is useful for energy saving 155
- Notes on intelligent eye 155
- I to cancel the intelligent eye operation 156
- I to start intelligent eye operation 156
- Intelligent eye operation 156
- Press sensor button 156
- Press sensor button again 156
- Caution 157
- Intelligent eye is useful for energy saving 157
- Notes on intelligent eye 157
- I to cancel the off timer operation 158
- I to use off timer opera tion 158
- Timer operation 158
- Attention 159
- I to cancel on timer operation 159
- I to combine on timer and off timer 159
- I to use on timer operation 159
- Press cancel button 159
- Press on timer button 159
- Press on timer button again 159
- Press timer setting button until the time setting reaches the point you like 159
- Night quiet mode available only for cooling operation 160
- Note for multi system 160
- Outdoor unit silent operation 160
- Selecting the operation mode 160
- Example room a is the priority room in the examples 161
- I priority room setting 161
- Operation mode priority 161
- Priority when powerful operation is used 161
- Priority when using outdoor unit silent operation 161
- The priority room setting requires initial programming during installation please consult your retailer or dealer for assistance 161
- Care and cleaning 162
- Caution 162
- I front grille 162
- I indoor unit outdoor unit and remote controller 162
- Clean or replace each filter 163
- Detach the filter element and attach a new one 163
- Dry the photocatalytic deodorizing filter in the sun 163
- Filters 163
- I air filter 163
- I air purifying filter green 163
- I photocatalytic deodorizing filter gray 163
- Maintenance 163
- Open the front grille 163
- Pull out the air filters 163
- Replace approximately once every 3 months 163
- Replacement 163
- See below 163
- Set the air filter air purifying filter and photocatalytic deodorizing filter as they were and close the front grille 163
- Take off the air purifying filter photocatalytic deodorizing filter 163
- Wash the air filters with water or clean them with vacuum cleaner 163
- 1 the paper material is torn or broken during cleaning 164
- Air purifying filter with frame 164
- Air purifying filter without frame 164
- Clean the air filters and set them again 164
- Dispose of old air filters as non burnable waste and 164
- Filters as burnable waste 164
- I before a long idle period 164
- Operate the fan only for several hours on a fine day to dry out the inside 164
- Photocatalytic deodorizing filter with frame 164
- Photocatalytic deodorizing filter without frame 164
- Press mode button and select fan operation 164
- Press on off button and start operation 164
- Take out batteries from the remote controller 164
- Turn off the breaker for the room air conditioner 164
- 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 164
- Attach the front grille 165
- Before cleaning be sure to stop the operation and turn the breaker off 165
- Care and cleaning 165
- Caution 165
- Clean the front grille 165
- I front grille 165
- I indoor unit outdoor unit and remote controller 165
- Open the front grille 165
- Remove the front grille 165
- Wipe them with dry soft cloth 165
- Air purifying filter with photocatalytie deodorizing function gray 166
- Filters 166
- I air filter 166
- Maintenance 166
- Replacement 166
- Air purifying filter with photocatalytie deodorizing function without frame 1 set 167
- Clean the air filters and set them again 167
- Dispose of old air filter as non burnable and 167
- Filters as burnable waste 167
- I before a long idle period 167
- Operate the fan only for several hours on a fine day to dry out the inside 167
- Press mode button and select fan operation 167
- Press on off button and start operation 167
- Take out batteries from the remote controller 167
- Turn off the breaker for the room air conditioner 167
- Before cleaning be sure to stop the operation and turn the breaker off 168
- Care and cleaning 168
- Caution 168
- Clean the air filters and set them again 168
- Cleaning the drain pan 168
- I before a long idle period 168
- I cleaning the air filter and suction grille option 168
- Operate the fan only for several hours on a fine day to dry out the inside 168
- Take out batteries from the remote controller 168
- Turn off the breaker for the room air conditioner 168
- Before cleaning be sure to stop the operation and turn the breaker off 169
- Care and cleaning 169
- Caution 169
- Clean the front grille 169
- Close the front grille 169
- I front grille 169
- I indoor unit outdoor unit and remote controller 169
- Open the front grille 169
- Wipe them with dry soft cloth 169
- Clean or replace each filter 170
- Detach the filter element and attach a new one 170
- Dry the photocatalytic deodorizing filter in the sun 170
- Filters 170
- I air filter 170
- I air purifying filter green 170
- I photocatalytic deodorizing filter gray 170
- Maintenance 170
- Open the front grille 2 pull out the air filters 170
- Replace approximately once every 3 months 170
- Replacement 170
- See below 170
- Set the air filter air purifying filter and photocatalytic deodorizing filter as they were and close the front grille 170
- Take off the air purifying filter photocatalytic deodorizing filter 170
- Wash the air filters with water or clean them with vacuum cleaner 170
- 1 the paper material is torn or broken during cleaning 171
- Air purifying filter with frame 171
- Air purifying filter without frame 171
- Clean the air filters and set them again 171
- Dispose of old air filters as non burnable waste and 171
- Filters as burnable waste 171
- I before a long idle period 171
- Operate the fan only for several hours on a fine day to dry out the inside 171
- Photocatalytic deodorizing filter with frame 171
- Photocatalytic deodorizing filter without frame 171
- Press mode button and select fan operation 171
- Press on off button and start operation 171
- Take out batteries from the remote controller 171
- Turn off the breaker for the room air conditioner 171
- 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 171
- Case explanation 172
- These cases are not troubles 172
- Trouble shooting 172
- Case check 173
- Check again 173
- Call the service shop immediately 174
- I the power cord is abnormally hot or damaged i an abnormal sound is heard during operation i the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently i a switch or a button often fails to work properly i there is a burning smell i water leaks from the indoor unit 174
- Turn the breaker off and call the service shop 174
- Warning 174
- We recommend periodical maintenance 174
- Caution for diagnosis 66 176
- Check 07 176
- Part 6 part 6 part 6 part 6 service diagnosis service diagnosis service diagnosis service diagnosis 176
- Part 6 service diagnosis 176
- Problem symptoms and measures 68 3 service check function 69 4 code indication on the remote controller 70 176
- Troubleshooting 71 176
- Caution for diagnosis 177
- On off 177
- Troubleshooting with the operation lamp 177
- Problem symptoms and measures 179
- In the arc433a series the temperature display sections on the main unit indicate corresponding codes 1 when the timer cancel button is held down for 5 seconds a 00 indication flashes on the temperature display section 180
- 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 180
- Press the timer cancel button repeatedly until a continuous beep is produced 180
- Service check function 180
- The code indication changes in the sequence shown below and notifies with along beep 180
- Wall mounted 25 35 class 180
- Code indication on the remote controller 181
- Error codes and description of fault 181
- Indoor units 182
- Not used for troubleshooting 182
- Troubleshooting 182
- Varies depending on the cases 182
- Outdoor units 183
- Indoor unit pcb abnormality 184
- Freeze up protection control or high pressure control 185
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 186
- Check no refer to p 10 186
- Note if the outside temperature is below 10 c in the cooling mode the system may get interrupted with error a5 displayed the system will be reset itself but this stop will be put in the error history memory 186
- Service diagnosis 175 186
- Si12 308 troubleshooting 186
- Troubleshooting 186
- Fan motor dc motor or related abnormality 187
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 188
- Check no 1 refer to p 07 188
- Check no 2 refer to p 07 188
- Service diagnosis 177 188
- Si12 308 troubleshooting 188
- Troubleshooting 188
- Thermistor or related abnormality indoor unit 189
- Check no refer to p 07 190
- Detection error by broken relay harness or disconnected connector 190
- Detection error due to defective pcb 2 190
- Foreign substance in blow port 190
- Malfunction decision conditions 190
- Method of malfunction detection 190
- Remote controller display 190
- Service diagnosis 179 190
- Shutter drive motor defective 190
- Shutter drive motor shutter limit switch abnormality 190
- Shutter itself deformed warped 190
- Shutter limit switch defective 190
- Shutter s sealing material too thick 190
- Si12 308 troubleshooting 190
- Supposed causes 190
- The shutter open close performance is detected by the limit switch attached on its structure in this way the shutter drive motor and the shutter limit switch are checked for failure 190
- Troubleshooting 190
- When the shutter is open the limit switch is closed 190
- Check no 0 refer to p 13 191
- Faulty indoor unit pcb 191
- Faulty outdoor unit pcb 191
- Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 191
- Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform 191
- Indoor unit outdoor unit signal transmission error due to wiring error 191
- Malfunction decision conditions 191
- Method of malfunction detection 191
- Remote controller display 191
- Service diagnosis 191
- Signal transmission error between indoor and outdoor units 191
- Supposed causes 191
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 191
- Troubleshooting 191
- Troubleshooting si12 308 191
- When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 191
- Unspecified voltage between indoor and outdoor units 192
- Freeze up protection control 193
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 194
- Check no refer to p 08 194
- Check no refer to p 10 194
- Service diagnosis 183 194
- Si12 308 troubleshooting 194
- Troubleshooting 194
- A compressor overload is detected through compressor ol 195
- Check no 1 refer to p 13 195
- Check no refer to p 08 195
- Check no refer to p 09 195
- Check no refer to p 10 195
- Electronic expansion valve defective 195
- Four way valve malfunctioning 195
- If the compressor ol is activated twice the system will be shut down 195
- Malfunction decision conditions 195
- Method of malfunction detection 195
- Ol activation compressor overload 195
- Outdoor unit led display a 195
- Outdoor unit pcb defective 195
- Refrigerant shortage 195
- Remote controller display 195
- Shut off valve defective 195
- Supposed causes 195
- 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 195
- The operating temperature condition is not specified 195
- Troubleshooting 195
- Water mixed in the local piping 195
- Compressor lock 196
- Dc fan lock 197
- Input over current detection 198
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 199
- Check no 4 refer to p 15 199
- Check no refer to p 11 199
- Check no refer to p 12 199
- Service diagnosis 199
- Troubleshooting 199
- Troubleshooting si12 308 199
- Four way valve abnormality 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 201
- Check no 1 refer to p 13 201
- Check no refer to p 09 201
- Check no refer to p 10 201
- Service diagnosis 201
- Troubleshooting 201
- Troubleshooting si12 308 201
- Discharge pipe temperature control 202
- Position sensor abnormality 203
- Ct or related abnormality 204
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 205
- Check no 2 refer to p 14 205
- Service diagnosis 205
- Troubleshooting 205
- Troubleshooting si12 308 205
- P4 j3 j6 j8 j9 h9 206
- Thermistor or related abnormality outdoor unit 206
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 207
- Check no refer to p 10 207
- P4 radiation fin thermistor j3 discharge pipe temperature thermistor j6 outdoor unit heat exchanger temperature thermistor j8 liquid pipe thermistor j9 gas pipe thermistor h9 outdoor temperature thermistor 207
- Service diagnosis 207
- Troubleshooting 207
- Troubleshooting si12 308 207
- Electrical box temperature rise 208
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 209
- Check no refer to p 10 209
- Check no refer to p 11 209
- Check no refer to p 12 209
- Service diagnosis 209
- Troubleshooting 209
- Troubleshooting si12 308 209
- Radiation fin temperature rise 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 211
- Check no refer to p 10 211
- Check no refer to p 11 211
- Check no refer to p 12 211
- Service diagnosis 211
- Troubleshooting 211
- Troubleshooting si12 308 211
- Output over current detection 212
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 213
- Check no 3 refer to p 14 213
- Check no refer to p 11 213
- Check no refer to p 12 213
- Service diagnosis 213
- Troubleshooting 213
- Troubleshooting si12 308 213
- Insufficient gas 214
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 215
- Check no refer to p 08 215
- Check no refer to p 10 215
- Service diagnosis 215
- Troubleshooting 215
- Troubleshooting si12 308 215
- Low voltage detection 216
- Anti icing function in other rooms unspecified voltage between indoor and outdoor units 217
- Check no 1 1 check connector connection 2 check motor power supply voltage output pins 4 7 and 4 8 3 check motor control voltage pins 4 3 4 check rotation command voltage output pins 4 2 5 check rotation pulse input pins 4 1 218
- Check no 2 1 check connector connection 2 check motor control voltage output pins 2 1 218
- Check no remove the front grille the limit switch is located at the left side of the drain pan assembly check the continuity of the switch connection 218
- Fan motor connector output check 218
- How to check 218
- Limit switch continuity check 218
- The shutter can be opened and closed with hand keep the shutter open and closed all the way for each continuity check steps 218
- Check no conduct the followings to check the electronic expansion valve ev 1 check to see if the ev connector is correctly inserted in the pcb compare the ev unit and the connector number 2 turn the power off and back on again and check to see if all the evs generate latching sound 3 if any of the evs does not generate latching noise in the above step 2 disconnect that connector and check the conductivity using a tester check the conductivity between pins 1 3 and 6 and between pins 2 4 and 5 if there is no conductivity between the pins the ev coil is faulty 4 if no ev generates latching sound in the above step 2 the outdoor unit pcb is faulty 5 if the conductivity is confirmed in the above step 2 mount a good coil which generated latching sound in the ev unit that did not generate latching sound and check to see if that ev generates latching sound 219
- Electronic expansion valve check 219
- If latching sound is generated the outdoor unit pcb is faulty 219
- If latching sound is not generated the ev unit is faulty 219
- Note please note that the latching sound varies depending on the valve type 219
- Check no 220
- Four way valve performance check 220
- Service diagnosis 209 220
- Si12 308 check 220
- Check no 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 221
- Thermistor resistance check 221
- Check no 222
- Installation condition check 222
- Service diagnosis 211 222
- Si12 308 check 222
- Check no 223
- Check si12 308 223
- Discharge pressure check 223
- Outdoor unit fan system check with dc motor 223
- Service diagnosis 223
- Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 224
- Check no 1 224
- Check to see if the power supply waveform is a sine wave fig 224
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 224
- Fig fig 224
- Inverter units refrigerant system check 224
- Power supply waveforms check 224
- Service diagnosis 213 224
- Si12 308 check 224
- Capacitor voltage check 225
- Check no 2 before this checking be sure to check the main circuit for short circuit 225
- Check no 3 225
- Check si12 308 225
- Checking the capacitor voltage 225
- Checking the power transistor 225
- For the uvw make measurements at the faston terminal on the board or the relay connector 225
- If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 225
- Never touch any live parts for at least 10 minutes after turning off the circuit breaker 225
- Normal resistance several kohms to several mohms abnormal resistance 0 or 225
- Power transistor check 225
- Service diagnosis 225
- Tester s negative terminal power transistor uvw power transistor uvw 225
- Tester s positive terminal uvw power transistor uvw power transistor 225
- With the circuit breaker still on measure the voltage according to the drawing of the model in question be careful never to touch any live parts 225
- Main circuit electrolytic capacitor check 226
- Turning speed pulse input on the outdoor unit pcb check 226
- Outdoor unit 52 58 68 75 class 42 228
- Outdoor unit 80 90 class 18 228
- Part 7 part 7 part 7 part 7 removal procedure removal procedure removal procedure removal procedure 228
- Part 7 removal procedure 228
- External appearance 229
- Outdoor unit 80 90 class 229
- Procedure warning be sure to wait 10 minutes or more after turning off all power supplies before disassembling work 229
- Removal of outer panels 229
- Remove 11 screws of the top panel 229
- Remove the piping in the backward direction 229
- Removal of propeller fans 232
- Removal of electrical box 233
- Disconnect 4 connectors of the electronic expansion valve lead wires 235
- Remove the connector s93 for liquid pipe thermistor 235
- Remove the four way valve connector s80 235
- When reconnecting make sure to match the wire to the correct connector 235
- Disconnect the fan motor connector 237
- Remove the discharge pipe thermistor 237
- Remove the electrical box cover 237
- Remove the relay connector for compressor 237
- Remove each wire harness and dismount the electrical box by lifting it 239
- Remove the outdoor air thermistor lead wire from the groove 239
- Removal of pcb 240
- Disconnect each wire harness connector linked to the inverter pcb 241
- Lift the pcb at the terminal board side 241
- Removal of fan motor 243
- Cut the wrapper fixing the lead wire 244
- Remove 4 screws of the fan motor 244
- Remove the fan motor 244
- When reassembling fix the lead wire to avoid contact with the propeller fan 244
- Removal of electronic expansion valve and thermistor 245
- Removal of sound insulation and reactor 246
- Carefully remove the noise insulation which is easily torn in the piping section 247
- Remove 1 screw of the reactor 247
- Remove the noise insulation inner 247
- Remove the noise insulation top 247
- Removal of shunt 248
- Removal of solenoid valve and four way valve 249
- Removal of compressor 251
- Disconnect the brazed part a at discharge side of the compressor 252
- Disconnect the brazed part b at suction side of the compressor 252
- Make sure there is no refrigerant gas left inside the refrigerant pipes before starting the job 252
- Remove the 2 sheets of putty 252
- When heating up the brazed parts make sure to carry out the n2 replacement 252
- Outdoor unit 52 58 68 75 class 253
- Removal of outer panels 253
- Removal of electrical box 254
- Disconnect the fan motor lead wire 257
- Lift up the electrical box and dismount it 257
- Remove 1 screw of the electrical box 257
- Remove the drip proof cover 257
- Removal of pcb 258
- Removal of fan motor 261
- Removal of sound insulation 262
- Removal of four way valve coil solenoid valve coil electronic expansion valve coil and thermistor 263
- Removal of four way valve solenoid valve and shunt 265
- Removal of solenoid valve and shunt 266
- Removal of compressor 267
- Part 8 others 268
- Others 269
- Test run from the remote controller 269
- Cut the jumper j4 270
- Cut the jumper ja on pcb 270
- How to set the different addresses 270
- Jumper setting 270
- Jumper settings 270
- Pcb in the indoor unit 270
- Remove the front panel 270
- Remove the sensor parts cover 2 screws then remove the electric parts box 1 screw 270
- Slide the metallic cover to remove it 4 claws on the electric parts box 270
- When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 270
- When two units are installed in one room 270
- Wireless remote controller in case of wall mounted type 270
- Adjusting the angle of the intelligent eye sensor 271
- Part 9 appendix 272
- Indoor units 273
- Piping diagrams 273
- Appendix 263 274
- Ftkd50bvm ftk x d50bvma ftk x d50bvmt ftxd50bvmc ftk x s50 60bvmb 274
- Ftkd60bvm ftk x d60bvma ftk x d60bvmt ftxd60bvmc ftk x s71bvmb 274
- Indoor unit 274
- Si12 308 piping diagrams 274
- Cdk25 35 50 60avm cdk x 25 35 50 60avma cdx25 35bvmc cdx50 60avmc 275
- Duct connected type 275
- Ftkd71bvm ftk x d71bvma ftk x d71bvmt ftxd71bvmc 275
- Cdk x s25 35 50 60bvmb 276
- Floor standing type 276
- Fvk x s25 35bvmb 276
- Flk x s25 35 50 60bvmb 277
- Floor ceiling suspended dual type 277
- Fvk x s50bvmb 277
- Appendix 267 278
- Flk x 25 35 50 60avma 278
- Indoor unit 278
- Si12 308 piping diagrams 278
- Accumulator 279
- Appendix 279
- Capillary tube 279
- Compressor 279
- D036221a 279
- D036222a 279
- Dc fan motor 279
- Discharge pipe thermistor do 279
- Distributor 279
- Mkd58bvm 279
- Outdoor units 279
- Piping diagrams si12 308 279
- Propeller fan 279
- Appendix 269 280
- Mkd75bvm 280
- Mkd75bvm 3mkd75bvma 3mkd75bvmt 280
- Outdoor unit 280
- Si12 308 piping diagrams 280
- Appendix 281
- Mxd68bvmc 3mxd68bvma 3mxd68bvmt 281
- Mxd80bvmc 4mxd80bvma 4mxd80bvmt 4mxs80bvmb 281
- Piping diagrams si12 308 281
- Appendix 271 282
- Compressor 282
- Gas line 282
- Gas pipe thermistor dga 282
- Gas pipe thermistor dgb 282
- Gas pipe thermistor dgc 282
- Gas pipe thermistor dgd 282
- Liquid line stop valve 282
- Liquid pipe 282
- Mks50bvmb 282
- Mks58bvmb 282
- Outdoor unit 282
- Piping 282
- Piping liquid 282
- Room a 282
- Room b 282
- Room c 282
- Si12 308 piping diagrams 282
- Stop valve 282
- Thermistor dla 282
- Thermistor dlb 282
- Thermistor dlc 282
- Accumulator 283
- Appendix 283
- Compressor 283
- Cooling 283
- Dc fan motor 283
- Discharge pipe thermistor do 283
- Gas line 283
- Gas line stop valve 283
- Gas pipe thermistor dga 283
- Gas pipe thermistor dgb 283
- Gas pipe thermistor dgc 283
- Gas pipe thermistor dgd 283
- Header 283
- Liquid line stop valve 283
- Mks75bvmb 283
- Mks90bvmb 283
- Outdoor unit 283
- Piping diagrams si12 308 283
- Propeller fan 283
- Refrigerant flow 283
- Stop valve 283
- Appendix 273 284
- Capillary tube 284
- Compressor 284
- D034512a 284
- Gas line 284
- Gas pipe thermistor dga 284
- Gas pipe thermistor dgb 284
- Gas pipe thermistor dgc 284
- Gas pipe thermistor dgd 284
- Liquid line stop valve 284
- Mxs52bvmb 284
- Mxs68bvmb 284
- Outdoor unit 284
- Si12 308 piping diagrams 284
- Stop valve 284
- Accumulator 285
- Appendix 285
- Capillary tube 285
- Mkd90bvm 4mkd90bvma 4mkd90bvmt 285
- Outdoor unit 285
- Piping diagrams si12 308 285
- Ftke25 35bvm ftk x e25 35bvma ftk x e25 35bvmt ftk x s25 35bvmb 286
- Ftxe25 35bvmc 286
- Indoor units 286
- Wall mounted type 286
- Wiring diagrams 286
- Appendix 287
- Ftk x s50bvmb 287
- Ftkd50 60 71bvm ftk x d50 60 71bvma ftk x d50 60 71bvmt ftk x s60 71bvmb 287
- Wiring diagrams si12 308 287
- Ftxd50bvmc 288
- Ftxd60 71bvmc 288
- Appendix 289
- Cdk25 35 50 60avm cdk x 25 35 50 60avma cdk x s25 35 50 60bvmb 289
- Cdx25 35bvmc cdx50 60avmc 289
- Duct connected type 289
- Wiring diagrams si12 308 289
- Appendix 279 290
- Flk x 25 35 50 60avma flk x s25 35 50 60bvmb 290
- Floor ceiling suspended dual type 290
- Floor standing type 290
- Fvk x s25 35 50bvmb 290
- Si12 308 wiring diagrams 290
- Appendix 291
- Field wiring 291
- Fu2 3 5a 291
- Gas pipe 291
- Liquid pipe 291
- Mkd58bvm 291
- Mks50bvmb 291
- Outdoor units 291
- Room a 291
- Room b 291
- Room c 291
- W v u n 291
- Wiring diagrams si12 308 291
- Appendix 281 292
- Mkd58 75bvm 3mkd75bvma 3mkd75bvmt 292
- Mkd75 90bvm 4mkd90bvma 4mkd90bvmt 292
- Si12 308 wiring diagrams 292
- 60hz 220 230v 50hz 220 240v 293
- Appendix 293
- Field wiring 293
- Fu2 3 5a 293
- Gas pipe 293
- Liquid pipe 293
- Mks58bvmb 4mks75bvmb 4mks90bvmb 293
- Mxs52bvmb 3mxd68bvma 3mxd68bvmt 293
- Org l2 293
- Power supply 293
- Room a 293
- Room b 293
- Room c 293
- Room d 293
- Tb4 tb5 293
- W v u n 293
- Wiring diagrams si12 308 293
- 60hz 220 230v 50hz 220 240v 294
- Appendix 283 294
- Blk brn blk 294
- Blk red 294
- Blu blu 294
- Blu blu blu 294
- Brn blk 294
- Condenser 294
- Ct1 current transformer 294
- Discharge 294
- E ac1 ac2 he hl hn 294
- Electronic expansion valve coil 294
- Field wiring 294
- Forced operation mode select sw sw2 294
- Fu1 fu2 fu20 294
- Fu2 3 5a 294
- Gas pipe 294
- H1 h2 l1 294
- H1p h5p pilot lamp 294
- L live 294
- L2 connector 294
- Liquid pipe 294
- M1c compressor motor 294
- M1f fan motor 294
- Mid1 mid 294
- Molded inter connect device 294
- Mrc w magneticrelay mrb mrd 294
- Mrm10 mrm20 294
- Mxd68bvmc 294
- Mxd80bvma 4mxd80bvmt 4mxs68 80bvmb 294
- N neutral 294
- Org blk 294
- Org l2 294
- Outdoor 294
- Pcb printed circuit board db1 diode bridge 294
- Power supply 294
- Q1l overload protector 294
- R1t r12t thermistor 294
- Red blk 294
- Room a 294
- Room b 294
- Room c 294
- Room d 294
- S1w forced operation on off sw sw1 294
- S2 s102 connector 294
- S3w wiring error check sw sw3 s4w priority room setting sw sw4 294
- S5w night quiet mode setting sw sw5 294
- Sa1 surge arrester y1r reversing solenoid valve coil y1s defrost solenoid valve coil 294
- Si12 308 wiring diagrams 294
- Spm system power module 294
- Tb4 tb5 294
- Terminals of the comp assignments of 294
- To indoor unit 294
- V2 v5 varistor 294
- W v u n 294
- Wht blk 294
- X1m x5m terminal strip 294
- Y1e y4e 294
- Z1c z3c ferrite core 294
- Appendix 295
- Mxd80bvmc 295
- Sw5 sw4 sw3 295
- Wiring diagrams si12 308 295
- Index index index index 296
- Numerics 296
- Drawings flow charts 300
- Drawings flow charts drawings flow charts drawings flow charts drawings flow charts 300
- For further improvement specifications or designs are subject to change without prior notice 302
- Printed in singapore 07 2003 ak cos 302
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