![Daikin FTXS35G2V1B [258/319] Removal of pcb](/img/pdf.png)
Daikin FTXS35G2V1B [258/319] Removal of pcb
![Daikin FTXS42G2V1B [258/319] Removal of pcb](/views2/1761734/page258/bg102.png)
Outdoor Unit - RK(X)S42G2V1B, ARXS42G2V1B SiBE04-808_B
247 Removal Procedure
4.3 Removal of PCB
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step
Procedure Points
1
Remove the screw and
remove the electrical
box cover.
Preparation
Remove the panels
according to the “Removal of
Outer Panels”.
Remove the electrical box
according to the “Removal of
Electrical Box”.
2
Detach the insulation
sheet.
The trimmed part goes front.
3
Remove the 2 screws
of the earth terminals.
(R12274)
Electrical box cover
(R8156)
(R8157)
Insulation
sheet
Earth
terminals
(R8158)
Содержание
- Inverter pair 1
- Manual 1
- Service 1
- Sibe04 808_b 1
- Wall mounted type g series 1
- Cooling only 2
- Heat pump 2
- Indoor units 2
- Inverter pair wall mounted type g series 2
- Outdoor units 2
- Table of contents 2
- Function of thermistor 4 3 control specification 5 3
- Functions 3
- Introduction vi 3
- Main functions 0 3
- Part 1 list of functions 3
- Part 2 specifications 3
- Part 3 printed circuit board connector wiring diagram 7 3
- Part 4 function and control 9 3
- Printed circuit board connector wiring diagram 8 3
- Specifications 3
- Atxs20 25 35 42 50g2v1b 1 4
- Caution for diagnosis 5 4
- Part 5 operation manual 1 4
- Part 6 service diagnosis 4 4
- Problem symptoms and measures 6 3 service check function 7 4
- System configuration 2 2 ftxs20 25 35 42 50g2v1b 3 4
- Troubleshooting 03 4
- Check 46 5
- Indoor unit 57 5
- Outdoor unit rk x s20 35g2v1b arxs20 35g2v1b 85 5
- Outdoor unit rk x s20 35g2v1b9 arxs20 35g3v1b 11 5
- Outdoor unit rk x s42g2v1b arxs42g2v1b 40 5
- Outdoor unit rk x s50g2v1b arxs50g2v1b 64 5
- Part 7 removal procedure 56 5
- Application of silicon grease to a power transistor and a diode bridge 97 6
- Part 8 trial operation and field settings 87 6
- Part 9 appendix 98 6
- Piping diagrams 99 6
- Pump down operation 88 2 forced cooling operation mode 89 3 trial operation 91 4 field settings 93 6
- Wiring diagrams 04 6
- Cautions regarding safety of workers 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Warning 8
- Cautions regarding safety of users 9
- Warning 9
- Caution 10
- Warning 10
- Caution 11
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 11
- Used icons 11
- Functions 12
- Part 1 list of functions 12
- Cooling only 13
- Functions 13
- Holding functions no functions 13
- List of functions 2 13
- Sibe04 808_b functions 13
- Functions sibe04 808_b 14
- Heat pump 14
- Holding functions no functions 14
- List of functions 14
- Holding functions no functions 15
- List of functions 4 15
- Sibe04 808_b functions 15
- Part 2 specifications 16
- Specifications 16
- Cooling only 17
- Hz 220 230 240 v 17
- Sibe04 808_b specifications 17
- Specifications 17
- Specifications 6 17
- Hz 220 230 240 v 18
- Specifications 18
- Specifications sibe04 808_b 18
- Hz 220 230 240 v 19
- Sibe04 808_b specifications 19
- Specifications 8 19
- Heat pump 20
- Hz 220 230 240 v 20
- Specifications 20
- Specifications sibe04 808_b 20
- Hz 220 230 240 v 21
- Sibe04 808_b specifications 21
- Specifications 10 21
- Hz 220 230 240 v 22
- Specifications 22
- Specifications sibe04 808_b 22
- Hz 220 230 240 v 23
- Sibe04 808_b specifications 23
- Specifications 12 23
- Hz 220 230 240 v 24
- Specifications 24
- Specifications sibe04 808_b 24
- Hz 220 230 240 v 25
- Sibe04 808_b specifications 25
- Specifications 14 25
- Hz 220 230 240 v 26
- Specifications 26
- Specifications sibe04 808_b 26
- Hz 220 230 240 v 27
- Sibe04 808_b specifications 27
- Specifications 16 27
- Part 3 printed circuit board connector wiring diagram 28
- Printed circuit board connector wiring diagram 8 28
- Indoor unit 29
- Printed circuit board connector wiring diagram 29
- Pcb detail pcb 1 control pcb 30
- Printed circuit board connector wiring diagram 30
- Printed circuit board connector wiring diagram sibe04 808_b 30
- Pcb 2 signal receiver pcb pcb 3 display pcb 31
- Pcb 4 intelligent eye sensor pcb 31
- Printed circuit board connector wiring diagram 20 31
- Sibe04 808_b printed circuit board connector wiring diagram 31
- Outdoor unit 32
- Rk x s20 35g2v1b arxs20 35g2v1b 32
- Pcb 2 main pcb 33
- Pcb detail pcb 1 filter pcb 33
- Printed circuit board connector wiring diagram 22 33
- Sibe04 808_b printed circuit board connector wiring diagram 33
- Rk x s20 35g2v1b9 arxs20 35g3v1b 34
- Pcb 2 main pcb 35
- Pcb 3 forced operation button pcb 35
- Pcb detail pcb 1 filter pcb 35
- Printed circuit board connector wiring diagram 24 35
- Sibe04 808_b printed circuit board connector wiring diagram 35
- Rk x s42g2v1b arxs42g2v1b 36
- Pcb detail pcb 1 control pcb 37
- Printed circuit board connector wiring diagram 26 37
- Sibe04 808_b printed circuit board connector wiring diagram 37
- Rk x s50g2v1b arxs50g2v1b 38
- Pcb 2 service monitor pcb 39
- Pcb detail pcb 1 main pcb 39
- Printed circuit board connector wiring diagram 28 39
- Sibe04 808_b printed circuit board connector wiring diagram 39
- Function of thermistor 4 3 control specification 5 40
- Main functions 0 40
- Part 4 function and control 40
- Frequency principle 41
- Main functions 41
- Comfortable air conditioning a fine adjustment is integrated to keep the room temperature constant 42
- Drawing of inverter the following drawing shows a schematic view of the inverter principle 42
- Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 42
- Even during extreme cold weather the high capacity is achieved it is maintained even when the outdoor temperature is 2 c 42
- Forced cooling operation refer to forced cooling operation mode on page 289 for detail 42
- Frequency limits the following functions regulate the minimum and maximum frequency 42
- Inverter features the inverter provides the following features 42
- Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables to reach the set temperature quickly 42
- The regulating capacity can be changed according to the changes in the outdoor temperature and cooling heating load 42
- Airflow direction control 43
- Fan speed control for indoor units 44
- Detail the microcomputer automatically sets the temperature and airflow rate the difference between the room thermistor temperature at start up and the target temperature is divided into two zones then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level 45
- Outline program dry operation removes humidity while preventing the room temperature from lowering since the microcomputer controls both the temperature and airflow rate the temperature adjustment and fan adjustment buttons are inoperable in this mode 45
- Program dry operation 45
- Zone a thermostat off 45
- Zone b zone b 45
- Zone c thermostat on 45
- Automatic operation 46
- Cooling dry 47
- Function and control 36 47
- Heating 47
- Sibe04 808_b main functions 47
- The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 47
- The operation turns on in any zones except a 47
- The system resumes from defrost control in any zones except a 47
- The temperature difference is in the zone a 47
- The temperature difference returns to the zone c after being in the zone a 47
- Thermostat control 47
- Thermostat control is based on the difference between the room thermistor temperature and the target temperature 47
- Thermostat off condition 47
- Thermostat on condition 47
- Cooling 48
- Detail the night set mode continues operation at the target temperature for the first one hour then automatically raises the target temperature slightly in the case of cooling or lowers it slightly in the case of heating this prevents excessive cooling in summer and excessive heating in winter to ensure comfortable sleeping conditions and also conserves electricity 48
- Function and control 48
- Heating 48
- Main functions sibe04 808_b 48
- Night set mode 48
- Outline when the off timer is set the night set mode is automatically activated the night set mode keeps the airflow rate setting 48
- Econo operation 49
- 2 area intelligent eye operation 50
- Area intelligent eye sensor is divided into 2 areas and detects humans in each area 50
- Detail 1 detection method of intelligent eye 50
- Function and control 50
- Image of 2 area intelligent eye 50
- Main functions sibe04 808_b 50
- Outline for ftk x s model the following functions can be performed by a motion sensor intelligent eye 1 reduction of the capacity when there is nobody in the room in order to save electricity energy saving operation 2 dividing the room into plural areas and detecting existence of humans in each area moving the airflow direction to the area with no human automatically to avoid direct airflow on humans 50
- The microcomputer in the 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 20 msec 10 200 msec and when the on signal continues 3 sec it judges human is in the room as the motion signal is on 50
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 50
- Airflow direction in 2 area intelligent eye operation 51
- Area a area b 51
- Detection method the opposite area of detected area is set as the target direction 51
- Detection signal on in both area a and b shift the airflow direction to area b left side 2 detection signal on in area a shift the airflow direction to area b left side 3 detection signal on in area b shift the airflow direction to area a right side 4 detection signal off in both area a and b no change 51
- For dry operation you cannot set the temperature with remote controller but internally the target temperature is shifted by 2 c 51
- Function and control 40 51
- In case of fan mode the fan speed reduces by 60 rpm 51
- Indoor unit 51
- Left right 51
- Motions for example in cooling 51
- Others 51
- Sibe04 808_b main functions 51
- Top view 51
- When the detection signal is off for 20 minutes in both area a and b the unit starts energy saving operation 51
- When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted from the target temperature cooling dry 2 c higher heating 2 c lower auto according to the operation mode at that time 51
- Detail 1 detection method by intelligent eye 52
- For dry operation you cannot set the temperature with remote controller but internally the target temperature is shifted by 2 c 52
- Function and control 52
- In case of fan mode the fan speed reduces by 60 rpm 52
- Intelligent eye operation 52
- Main functions sibe04 808_b 52
- Motions for example in cooling 52
- Others 52
- Outline for atxs model this is the function that detects existence of humans in the room by a motion sensor intelligent eye and reduces the capacity when there is nobody in the room in order to save electricity 52
- The microcomputer in the 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 20 msec 10 200 msec it judges human is in the room as the motion signal is on 52
- This sensor detects human motion by receiving infrared rays and displays the pulse wave output 52
- When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in the temperature shifted from the target temperature cooling dry 2 c higher heating 2 c lower auto according to the operation mode at that time 52
- Detail when powerful button is pressed the fan speed and target temperature are converted to the following states for 20 minutes 53
- Ex powerful operation in cooling mode 53
- Inverter powerful operation 53
- 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 53
- Auto restart function 54
- Hot start function 54
- Indoor unit on off button 54
- Other functions 54
- Signal receiving sign 54
- Titanium apatite photocatalytic air purifying filter 54
- Weekly timer operation 54
- Function of thermistor 55
- Control specification 56
- Control specification sibe04 808_b 56
- Detail for cooling only model there are following modes stop and cooling including drying 56
- For heat pump model there are following modes stop cooling includes drying heating include defrosting 56
- Function and control 56
- Mode hierarchy 56
- Note unless specified otherwise an indoor dry operation command is regarded as cooling operation 56
- Outline there are two modes the one is the normal operation mode and the other is the forced operation mode for installation and providing service 56
- Frequency control 57
- D signal 1 p control the 58
- D signal and is used for frequency command 58
- D signal the difference between the room thermistor temperature and the target temperature is taken as the 58
- D value and the q value of the indoor unit q value indoor unit output determined from indoor unit volume airflow rate and other factors 58
- D value is calculated in each sampling time 15 20 seconds and the frequency is adjusted according to its difference from the frequency previously calculated 58
- D value is large the frequency is increased 58
- D value is small the frequency is lowered when the 58
- D value when the 58
- Determine lower limit frequency 58
- Determine prohibited frequency 58
- Determine upper limit frequency 58
- For limiting lower limit frequency management is carried out only when the frequency rises 58
- Frequency management when other controls are functioning 58
- I control if the operating frequency does not change for more than a certain fixed time the frequency is adjusted according to the 58
- Indoor frequency command 58
- Pi control determine frequency up down by 58
- Th off thermostat off 58
- The maximum value is set as an lower limit frequency among the frequency lower limits of the following functions four way valve operation compensation draft prevention pressure difference upkeep 58
- The minimum value is set as an upper limit frequency among the frequency upper limits of the following functions compressor protection input current discharge pipe temperature heating peak cut freeze up protection defrost 58
- There is a certain prohibited frequency such as a power supply frequency 58
- Upper and lower limit of frequency by pi control the frequency upper and lower limits are set according to the command on indoor unit when the indoor or outdoor unit quiet operation command comes from the indoor unit the upper limit frequency is lowered than the usual setting 58
- When frequency is drooping frequency management is carried out only when the frequency droops 58
- When starting the compressor the frequency is initialized according to the 58
- Controls at mode changing start up 59
- Preheating operation 59
- 3 minute standby 60
- Compressor protection function 60
- Detail off delay switch of four way valve the four way valve coil is energized for 150 160 seconds after the operation is stopped 60
- Detail starting conditions 1 when starting compressor for heating 2 when the operation mode changes to cooling from heating 3 when starting compressor for defrosting or resetting 4 when starting compressor for the first time after the reset with the power is on 5 when starting compressor for heating next to the suspension of defrosting 6 when starting compressor next to the fault of switching over cooling heating set the lower limit frequency a hz for b seconds with any conditions 1 through 6 above 60
- Four way valve operation compensation 60
- Four way valve switching 60
- Outline at the beginning of the operation as the four way valve is switched the differential pressure to activate the four way valve is acquired by having output frequency which is more than a certain fixed frequency for a certain fixed time 60
- Outline in heating operation current is conducted and in cooling and defrosting current is not conducted in order to eliminate the switching sound when the heating is stopped as the four way valve coil switches from on to off the off delay switch of the four way valve is carried out after the operation stopped 60
- Turning on the compressor is prohibited for 3 minutes after turning it off except when defrosting 60
- When turning the compressor from off to on the upper limit of frequency is set as follows the function is not activated when defrosting 60
- Detail 61
- Discharge pipe temperature control 61
- Outline the discharge pipe temperature is used as the internal temperature of the compressor if the discharge pipe temperature rises above a certain level the upper limit of frequency is set to keep this temperature from going up further 61
- After 2 seconds in this zone the compressor is stopped drooping zone 62
- After this the output frequency is pulled down by 2 hz every second until it reaches the keep zone keep zone 62
- Detail 62
- Frequency control in each zone stop zone 62
- Input current control 62
- Limit of the frequency is canceled 62
- Outline the microcomputer calculates the input current during the compressor is running and sets the frequency upper limit from the input current in case of heat pump model this control which is the upper limit control of the frequency takes priority to the lower limit of control of four way valve operation compensation 62
- Rk x s20 50g2v1b arxs20 50g2v1b 62
- The present maximum frequency goes on reset zone 62
- The upper limit of the compressor frequency is defined as operation frequency 2 hz 62
- Limitation of current drooping and stop value according to the outdoor temperature 63
- Rk x s20 35g2v1b9 arxs20 35g3v1b 63
- The current droops when outdoor temperature becomes higher than a certain level depending on the model 63
- Detail 64
- Detail the operating frequency limitation is judged with the indoor heat exchanger temperature 64
- Freeze up protection control 64
- Heating peak cut control 64
- Outline during cooling operation the signal sent from the indoor unit controls the operating frequency limitation and prevents freezing of the indoor heat exchanger the signal from the indoor unit is divided into zones 64
- Outline during heating operation the indoor heat exchanger temperature determines the frequency upper limit to prevent abnormal high pressure 64
- Liquid compression protection function 65
- Outdoor fan control 65
- Conditions for canceling defrost the judgment is made with outdoor heat exchanger temperature 4 c 18 c 66
- Defrost control 66
- Detail conditions for starting defrost 66
- More than a minutes of accumulated time pass since the start of the operation or ending the previous defrosting 66
- Outline defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than a certain value to finish 66
- The compressor operates for 6 minutes 66
- The starting conditions is determined with the outdoor temperature and the outdoor heat exchanger temperature 66
- The system is in heating operation 66
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 67
- Electronic expansion valve control 67
- Function and control 56 67
- Outline the following items are included in the electronic expansion valve control electronic expansion valve is fully closed 1 electronic expansion valve is fully closed when turning on the power 2 pressure equalizing control open control 1 electronic expansion valve control when starting operation 2 electronic expansion valve control when frequency changed 3 electronic expansion valve control for defrosting 4 electronic expansion valve control when the discharge pipe temperature is abnormally high 5 electronic expansion valve control when the discharge pipe thermistor is disconnected feedback control 1 discharge pipe temperature control 67
- Sibe04 808_b control specification 67
- Disconnection of the discharge pipe thermistor 68
- Fully closing with power on 68
- High discharge pipe temperature 68
- Opening limit 68
- Pressure equalization control 68
- Starting operation control 68
- Control when frequency is changed 69
- Target discharge pipe temperature control 69
- Detection of overcurrent and overload 70
- Malfunctions 70
- Refrigerant shortage control 70
- Sensor malfunction detection 70
- Standby electricity saving 71
- Atxs20 25 35 42 50g2v1b 1 72
- Part 5 operation manual 72
- System configuration 2 2 ftxs20 25 35 42 50g2v1b 3 72
- System configuration 73
- Ftxs20 25 35 42 50g2v1b 74
- Remote controller 74
- Auto dry cool heat fan operation 75
- Press mode selector button and select a operation mode 75
- Press on off button 75
- Press on off button again 75
- Press temperature adjustment button 75
- To change the temperature setting 75
- To start operation 75
- To stop operation 75
- Press fan setting button 76
- To change the airflow rate setting 76
- Adjusting the airflow direction 77
- To adjust the horizontal blades flaps 77
- To adjust the vertical blades louvers 77
- Always use a remote controller to adjust the angles of the flaps and louvers if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken always use a remote controller to adjust the louvers angles in side the air outlet a fan is rotating at a high speed 78
- Attention 78
- Check comfort airflow operation in the section of comfort airflow operation and intelligent eye operation page 14 78
- Comfort airflow operation 78
- Notes on flaps and louvers angles 78
- Press either the swing button or the swing button 78
- Press the swing button and the swing button 78
- The and display will light up and the flap and louvers will move in turn 78
- Three dimensional 3 d airflow 78
- To cancel 3 d airflow 78
- To start 3 d airflow 78
- When swing button is selected the flaps swinging range depends on the operation mode see the figure 78
- Comfort airflow and intelligent eye operation 79
- Press comfort sensor button 79
- Press comfort sensor button and select an operation mode 79
- To cancel operation 79
- To start operation 79
- Notes on comfort airflow operation 80
- Notes on intelligent eye operation 80
- Caution 81
- Comfort airflow and intelligent eye operation 81
- Intelligent eye is useful for energy saving 81
- Notes on intelligent eye operation 81
- To combine comfort airflow operation and intelligent eye operation 81
- Powerful operation 82
- To cancel powerful operation 82
- To start powerful operation 82
- Outdoor unit quiet operation 83
- To cancel outdoor unit quiet operation 83
- To start outdoor unit quiet operation 83
- Econo operation 84
- To cancel econo operation 84
- To start econo operation 84
- Timer operation 85
- To cancel the off timer operation 85
- To use off timer operation 85
- Attention 86
- Example 86
- Press cancel button 86
- Press on timer button 86
- Press on timer button again 86
- Press select button until the time setting reaches the point you like 86
- To cancel on timer operation 86
- To combine on timer and off timer 86
- To use on timer operation 86
- An example of weekly timer settings is shown below 87
- Example 87
- Operation manual 76 87
- Program 1 program 2 program 3 program 4 87
- Sibe04 808_b ftxs20 25 35 42 50g2v1b 87
- Up to 4 timer settings can be saved for each day of the week it is convenient if the weekly timer is set according to the family s life style 87
- Using in these cases of weekly timer 87
- Weekly timer operation 87
- Day of the week and reservation number 88
- Press button 88
- Press next button 88
- Press select button to select the desired time 88
- Press the select button to select the desired 88
- Setting mode 88
- To use weekly timer operation 88
- Press button to complete the setting 89
- Press next button 89
- Press select button to select the desired temperature 89
- The day of the week on off timer mode time and set temperature only for on timer mode can be set with weekly timer other settings for on timer are based on the settings just before the operation 89
- Weekly timer operation 89
- Copy mode 90
- Press button 2 90
- Press button to complete the setting 90
- Press copy button 90
- Press copy button to activate copy mode 90
- Press select button to select the destination day of the wee 90
- Confirming a reservation 91
- Normal display confirmation display 91
- Setting displays 91
- To deactivate weekly timer operation 91
- To delete reservations 91
- Weekly timer operation 91
- Atxs20 25 35 42 50g2v1b 92
- Remote controller 92
- Auto dry cool heat fan operation 93
- Press mode selector button and select a operation mode 93
- Press on off button 93
- Press on off button again 93
- Press temperature adjustment button 93
- To change the temperature setting 93
- To start operation 93
- To stop operation 93
- Press fan setting button 94
- To change the airflow rate setting 94
- Adjusting the airflow direction 95
- To adjust the horizontal blades flaps 95
- To adjust the vertical blades louvers 95
- Always use a remote controller to adjust the angles of the flaps and louvers if you attempt to move it forcibly with hand when it is swinging the mechanism may be broken always use a remote controller to adjust the louvers angles in side the air outlet a fan is rotating at a high speed 96
- Attention 96
- Notes on flaps and louvers angles 96
- Press either the swing button or the swing button 96
- Press the swing button and the swing button the and display will light up and the flap and louvers will move in turn 96
- Three dimensional 3 d airflow 96
- To cancel 3 d airflow 96
- To start 3 d airflow 96
- Using three dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceiling throughout the room preventing areas of cold and hot developing 96
- Comfort airflow operation 97
- Notes on comfort airflow operation 97
- To cancel comfort airflow operation 97
- To start comfort airflow operation 97
- Atxs20 25 35 42 50g2v1b sibe04 808_b 98
- By selecting from the following 98
- Icons the air conditioner will be in comfort airflow operation combined with intelligent eye operation page 16 98
- Intelligent eye operation 98
- Operation manual 98
- Somebody back in the room 98
- To cancel the intelligent eye operation 98
- To start intelligent eye operation 98
- When somebody in the room 98
- Caution 99
- Intelligent eye is useful for energy saving 99
- Intelligent eye operation 99
- Notes on intelligent eye 99
- On the lcd 99
- Press comfort sensor button 99
- Press comfort sensor button and select 99
- To combine comfort airflow operation and intelligent eye operation 99
- Powerful operation 100
- To cancel powerful operation 100
- To start powerful operation 100
- Outdoor unit quiet operation 101
- To cancel outdoor unit quiet operation 101
- To start outdoor unit quiet operation 101
- Econo operation 102
- To cancel econo operation 102
- To start econo operation 102
- Timer operation 103
- To cancel the off timer operation 103
- To use off timer operation 103
- Attention 104
- Example 104
- Press cancel button 104
- Press on timer button 104
- Press on timer button again 104
- Press timer setting button until the time setting reaches the point you like 104
- To cancel on timer operation 104
- To combine on timer and off timer 104
- To use on timer operation 104
- Caution for diagnosis 5 105
- Check 46 105
- Part 6 service diagnosis 105
- Problem symptoms and measures 6 3 service check function 7 105
- Troubleshooting 03 105
- Caution for diagnosis 106
- Troubleshooting with led 106
- Problem symptoms and measures 107
- Arc452 series 108
- Check method 1 1 when the timer cancel button is held down for 5 seconds 108
- Indication appears on the temperature display section 108
- Note 1 a short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 to return to the normal mode hold the timer cancel button down for 5 seconds when the remote controller is left untouched for 60 seconds it also returns to the normal mode 108
- Press the timer cancel button repeatedly until a long beep sounds 108
- Service check function 108
- The code indication changes in the sequence shown below 108
- Arc433 series 111
- Check method 1 1 when the timer cancel button is held down for 5 seconds 111
- Indication appears on the temperature display section 111
- Note 1 a short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 to return to the normal mode hold the timer cancel button down for 5 seconds when the remote controller is left untouched for 60 seconds it also returns to the normal mode 111
- Press the timer cancel button repeatedly until a long beep sounds 111
- The code indication changes in the sequence shown below 111
- Timer cancel button 111
- Displayed only when system down occurs 114
- Error codes and description 114
- Troubleshooting 114
- Defective indoor unit pcb 115
- Disconnection of connector 115
- Evaluation of zero cross detection of power supply by the indoor unit pcb 115
- Indoor unit pcb abnormality 115
- Malfunction decision conditions 115
- Method of malfunction detection 115
- Model type connector wall mounted type terminal board control pcb 115
- Note check the following connector 115
- Remote controller display 115
- Service diagnosis 104 115
- Sibe04 808_b troubleshooting 115
- Supposed causes 115
- There is no zero cross detection in approximately 10 seconds 115
- Troubleshooting 115
- Wrong models interconnected 115
- Freeze up protection control or heating peak cut control 116
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 117
- Caution 117
- Check no 6 refer to p 48 117
- Service diagnosis 106 117
- Sibe04 808_b troubleshooting 117
- Troubleshooting 117
- Fan motor dc motor or related abnormality 118
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 119
- Caution 119
- Check no 1 refer to p 46 119
- Service diagnosis 108 119
- Sibe04 808_b troubleshooting 119
- Troubleshooting 119
- Thermistor or related abnormality indoor unit 120
- Breaking of the connection wires between the indoor and outdoor units wire no 3 121
- Check no 0 refer to p 50 121
- Defective indoor unit pcb 121
- Defective outdoor unit pcb 121
- Disturbed power supply waveform 121
- Malfunction decision conditions 121
- Method of malfunction detection 121
- Remote controller display 121
- Service diagnosis 110 121
- Sibe04 808_b troubleshooting 121
- Signal transmission error between indoor unit and outdoor unit 121
- Supposed causes 121
- The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 121
- The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal 121
- Troubleshooting 121
- Wiring error 121
- Defective indoor unit pcb 122
- Defective outdoor unit pcb 122
- Malfunction decision conditions 122
- Method of malfunction detection 122
- Remote controller display 122
- Service diagnosis 122
- Supposed causes 122
- The pair type and multi type are interconnected 122
- The supply power is detected for its requirements different from pair type and multi type by the indoor outdoor transmission signal 122
- Troubleshooting 122
- Troubleshooting sibe04 808_b 122
- Unspecified voltage between indoor unit and outdoor unit 122
- Wrong indoor unit pcb or outdoor unit pcb mounted 122
- Wrong models interconnected 122
- Wrong wiring of connecting wires 122
- Broken harness between pcbs 123
- Defective outdoor unit pcb 123
- Malfunction decision conditions 123
- Method of malfunction detection 123
- Momentary fall of voltage 123
- Momentary power failure etc 123
- Outdoor unit pcb abnormality 123
- Remote controller display 123
- Service diagnosis 112 123
- Sibe04 808_b troubleshooting 123
- Supposed causes 123
- The microprocessor program runs out of control 123
- The system checks to see if the zero cross signal comes in properly 123
- The system follows the microprocessor program as specified 123
- The zero cross signal is not detected 123
- Troubleshooting 20 25 35 50 class 123
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 124
- Check the voltage between no and no on the outdoor terminal board 124
- Service diagnosis 124
- Troubleshooting 42 class 124
- Troubleshooting sibe04 808_b 124
- A compressor overload is detected through compressor ol 125
- Check no 1 refer to p 50 125
- Check no 4 refer to p 46 125
- Check no 5 refer to p 47 125
- Check no 6 refer to p 48 125
- Defective discharge pipe thermistor 125
- Defective electronic expansion valve or coil 125
- Defective four way valve or coil 125
- Defective outdoor unit pcb 125
- Defective stop valve 125
- If the error repeats twice the system is shut down 125
- Malfunction decision conditions 125
- Method of malfunction detection 125
- Ol activation compressor overload 125
- Refrigerant shortage 125
- Remote controller display 125
- Reset condition continuous run for about 60 minutes without any other error 125
- Service diagnosis 114 125
- Sibe04 808_b troubleshooting 125
- Supposed causes 125
- The operating temperature condition is not specified 125
- Troubleshooting 125
- Water mixed in refrigerant 125
- 25 35 42 class 126
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 126
- A compressor lock is detected by the current waveform generated when applying high frequency voltage to the motor 126
- Check no 4 refer to p 52 126
- Compressor harness disconnected 126
- Compressor lock 126
- Compressor locked 126
- If the error repeats 16 times the system is shut down 126
- Malfunction decision conditions 126
- Method of malfunction detection 126
- Operation stops due to overcurrent 126
- Remote controller display 126
- Reset condition continuous run for about 11 minutes without any other error 126
- Reset condition continuous run for about 5 minutes without any other error 126
- Service diagnosis 126
- Supposed causes 126
- Troubleshooting 126
- Troubleshooting sibe04 808_b 126
- An error is determined with the high voltage fan motor rotation speed detected by the hall ic 127
- Check no 5 refer to p 54 127
- Dc fan lock 127
- Defective fan motor 127
- Defective outdoor unit pcb 127
- Disconnection of the fan motor 127
- Foreign matters stuck in the fan 127
- If the error repeats 16 times the system is shut down 127
- Malfunction decision conditions 127
- Method of malfunction detection 127
- Remote controller display 127
- Reset condition continuous run for about 11 minutes 50 class 5 minutes without any other error 127
- Service diagnosis 116 127
- Sibe04 808_b troubleshooting 127
- Supposed causes 127
- The fan does not start in 15 60 seconds depending on the model even when the fan motor is running 127
- Troubleshooting 127
- An input overcurrent is detected by checking the input current value with the compressor running 128
- Check no 4 refer to p 52 128
- Check no 7 refer to p 49 128
- Check no 8 refer to p 49 128
- Defective compressor 128
- Defective outdoor unit pcb 128
- Defective power module 128
- Input overcurrent detection 128
- Malfunction decision conditions 128
- Method of malfunction detection 128
- Remote controller display 128
- Service diagnosis 128
- Short circuit 128
- Supposed causes 128
- The following current with the compressor running continues for 2 seconds cooling heating above 9 5 20 a refer to input current control on page 51 for detail 128
- Troubleshooting 128
- Troubleshooting sibe04 808_b 128
- Four way valve abnormality 129
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 130
- Check no 1 refer to p 50 130
- Check no 5 refer to p 47 130
- Check no 6 refer to p 48 130
- Service diagnosis 130
- Troubleshooting 130
- Troubleshooting sibe04 808_b 130
- Discharge pipe temperature control 131
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 132
- Caution 132
- Check no 1 refer to p 50 132
- Check no 4 refer to p 46 132
- Check no 6 refer to p 48 132
- Service diagnosis 132
- Troubleshooting 132
- Troubleshooting sibe04 808_b 132
- High pressure control in cooling 133
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 134
- Caution 134
- Check no 4 refer to p 46 134
- Check no 6 refer to p 48 134
- Check no 7 refer to p 49 134
- Check no 8 refer to p 49 134
- Check no 9 refer to p 50 134
- Service diagnosis 134
- Troubleshooting 134
- Troubleshooting sibe04 808_b 134
- 25 35 42 class 135
- Compressor system sensor abnormality 135
- Defective compressor 136
- Defective outdoor unit pcb 136
- Disconnection of compressor harness 136
- Disconnection of reactor 136
- Malfunction decision conditions 136
- Method of malfunction detection 136
- Remote controller display 136
- Supposed causes 136
- The compressor current does not run when the compressor starts 136
- The supply voltage and the dc voltage is obviously low or high 136
- The system checks the compressor current right after the compressor starts 136
- The system checks the supply voltage and the dc voltage before the compressor starts 136
- Troubleshooting 136
- Position sensor abnormality 137
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 138
- Check no 4 refer to p 52 138
- Check no 9 refer to p 55 138
- Service diagnosis 138
- Troubleshooting 20 25 35 42 class 138
- Troubleshooting sibe04 808_b 138
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 139
- Check no 4 refer to p 52 139
- Service diagnosis 128 139
- Sibe04 808_b troubleshooting 139
- Troubleshooting 50 class 139
- Dc voltage current sensor abnormality 20 25 35 42 class 140
- Ct or related abnormality 50 class 141
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 142
- Caution 142
- Check no 2 refer to p 51 142
- Check no 4 refer to p 52 142
- Service diagnosis 142
- Troubleshooting 142
- Troubleshooting sibe04 808_b 142
- H9 j3 j6 p4 143
- Thermistor or related abnormality outdoor unit 143
- Caution 144
- Check no 6 refer to p 48 144
- Discharge pipe thermistor 144
- Outdoor heat exchanger thermistor 144
- Outdoor temperature thermistor 144
- Service diagnosis 144
- Troubleshooting in case of 144
- Troubleshooting sibe04 808_b 144
- Electrical box temperature rise 145
- A c b c c c 146
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 146
- Caution 146
- Check no 7 refer to p 49 146
- Check no 9 refer to p 50 146
- Rk x s20 35g2v1b arxs20 35g2v1b 80 70 80 rk x s20 35g2v1b9 arxs20 35g3v1b 98 75 83 rk x s42g2v1b arxs42g2v1b 80 70 75 rk x s50g2v1b arxs50g2v1b 95 80 85 146
- Service diagnosis 146
- Troubleshooting 146
- Troubleshooting sibe04 808_b 146
- Radiation fin temperature rise 147
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 148
- Caution 148
- Check no 7 refer to p 49 148
- Check no 9 refer to p 50 148
- Note refer to application of silicon grease to a power transistor and a diode bridge on page 297 for detail 148
- Rk x s20 35g2v1b arxs20 35g2v1b 148
- Rk x s20 35g2v1b9 arxs20 35g3v1b 98 rk x s42g2v1b arxs42g2v1b 92 rk x s50g2v1b arxs50g2v1b 105 148
- Service diagnosis 148
- Troubleshooting 148
- Troubleshooting sibe04 808_b 148
- Output overcurrent detection 149
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 150
- Caution 150
- Check no 3 refer to p 51 150
- Check no 4 refer to p 52 150
- Check no 7 refer to p 49 150
- Check no 8 refer to p 49 150
- Service diagnosis 150
- Troubleshooting 150
- Troubleshooting sibe04 808_b 150
- Refrigerant shortage 151
- Closed stop valve 152
- Defective electronic expansion valve 152
- Disconnection of the discharge pipe thermistor indoor or outdoor heat exchanger thermistor room or outdoor temperature thermistor 152
- If the error repeats 4 times the system is shut down 152
- Poor compression performance of compressor 152
- Refrigerant shortage detection iii 20 25 35 class only when the difference of the temperature is smaller than k c it is regarded as refrigerant shortage 152
- Refrigerant shortage refrigerant leakage 152
- Reset condition continuous run for about 60 minutes without any other error 152
- Supposed causes 152
- Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 153
- Caution 153
- Check no 4 refer to p 46 153
- Check no 6 refer to p 48 153
- Service diagnosis 142 153
- Sibe04 808_b troubleshooting 153
- Troubleshooting 153
- Low voltage detection or over voltage detection 154
- Caution be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 155
- Service diagnosis 144 155
- Sibe04 808_b troubleshooting 155
- Troubleshooting 155
- Signal transmission error on outdoor unit pcb 50 class only 156
- Check no 1 1 check the connection of connector 2 check the motor power supply voltage output pins 4 7 3 check the motor control voltage pins 4 3 4 check the rotation command voltage pins 4 2 5 check the rotation pulse pins 4 1 157
- Check no 4 conduct the followings to check the electronic expansion valve ev 1 check to see if the ev connector is correctly connected to the pcb 2 turn the power off and on again and check to see if the ev generate latching sound 3 if the ev does not generate latching sound in the above step 2 disconnect the connector and check the continuity using a tester 4 check the continuity between the pins 1 6 and 3 6 and between the pins 2 5 and 4 5 if there is no continuity between the pins the ev coil is faulty 157
- Electronic expansion valve check 157
- Fan motor connector output check 157
- How to check 157
- If the continuity is confirmed in the above step 3 the outdoor unit pcb is faulty 157
- Note please note that the latching sound varies depending on the valve type 157
- Check no 5 158
- Check sibe04 808_b 158
- Four way valve performance check 158
- Service diagnosis 158
- Check no 6 disconnect the connectors of the thermistors from the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the table and the graph below 159
- For the models in which the thermistor is directly mounted on the pcb disconnect the connector for the pcb and measure 159
- Thermistor resistance check 159
- Check no 7 160
- Check no 8 160
- Check sibe04 808_b 160
- Discharge pressure check 160
- Installation condition check 160
- Service diagnosis 160
- Check no 0 measure the power supply waveform between no 1 and no 2 on the terminal board and check the waveform disturbance 161
- Check no 1 161
- Check no 9 dc motor 161
- Check to see if the power supply waveform is a sine wave fig 161
- Check to see if there is waveform disturbance near the zero cross sections circled in fig 161
- Fig fig 161
- Inverter units refrigerant system check 161
- Outdoor fan system check 161
- Power supply waveforms check 161
- Service diagnosis 150 161
- Sibe04 808_b check 161
- Capacitor voltage check 162
- Check no 2 before this check be sure to check the main circuit for short circuit 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 162
- Check no 3 162
- Disconnect the compressor harness connector from the outdoor unit pcb to disengage the connector press the protrusion on the connector 162
- Follow the procedure below to measure resistance between the terminals of the db1 and the terminals of the compressor with a multi tester evaluate the measurement results for a judgment 162
- Note check to make sure that the voltage between and of the diode bridge db1 is approx 0 v before checking 162
- Power module check 162
- Inverter checker check 163
- Check no 5 rk x s20 50g2v1b arxs20 50g2v1b make sure that the voltage of 320 30 v is applied 1 set operation off and power off disconnect the connector s70 2 check that the voltage between the pins 4 7 is 320 vdc 3 check that the control voltage between the pins 3 4 is 15 vdc 4 check that the rotation command voltage between the pins 2 4 is 0 15 vdc 5 keep operation off and power off connect the connector s70 6 check whether 2 pulses 0 15 vdc are output at the pins 1 4 when the fan motor is rotated 1 turn by hand 165
- Defective hall ic 165
- Defective pcb 165
- Replace the outdoor fan motor if ok in both steps 2 and 4 165
- Replace the outdoor unit pcb 165
- Replace the outdoor unit pcb if ng in step 4 165
- Rk x s20 35g2v1b9 arxs20 35g3v1b 1 check that the voltage between the pins 10 11 is 15 vdc 2 check if the hall ic generates the rotation pulse 0 15 vdc 4 times between the pins 10 12 10 13 when the fan motor is manually rotated once 165
- Rotation pulse check on the outdoor unit pcb 165
- Service diagnosis 154 165
- Sibe04 808_b check 165
- When the fuse is melted check the outdoor fan motor for proper function if ng in step 2 165
- Main circuit short check 166
- Indoor unit 57 167
- Outdoor unit rk x s20 35g2v1b arxs20 35g2v1b 85 167
- Outdoor unit rk x s20 35g2v1b9 arxs20 35g3v1b 11 167
- Outdoor unit rk x s42g2v1b arxs42g2v1b 40 167
- Outdoor unit rk x s50g2v1b arxs50g2v1b 64 167
- Part 7 removal procedure 167
- Indoor unit 168
- Removal of air filter 168
- Removal of front panel 170
- Removal of front grille 172
- Remove the 2 screws one each at the right and left 173
- Remove the front grille 173
- The front grille has 3 hooks at the top 173
- Unfasten the center hook 173
- Unfasten the left hook 173
- Removal of horizontal blades vertical blades 175
- Removal of electrical box 178
- Removal of pcb 181
- Remove the signal receiver unit 182
- Unfasten the 3 hooks 182
- Unfasten the book on the opposite side and lift up the signal receiver unit 182
- Removal of indoor heat exchanger 186
- Removal of swing motors 189
- Connector green 191
- Disconnect the connector 191
- Remove the 2 screws 191
- Remove the swing motor for vertical blade 191
- Removal of fan motor 193
- Dislocate the fan rotor by sliding it to the right 194
- Remove the 2 screws of the fan motor fixing plate 194
- Remove the fan rotor 194
- Unfasten the hook of the fan motor fixing plate and remove the plate 194
- Outdoor unit rk x s20 35g2v1b arxs20 35g2v1b 196
- Removal of outer panels fan motor 196
- Remove the 2 screws and lift the top panel 197
- Remove the 4 screws and remove the discharge grille 197
- Remove the drip proof plate 197
- The discharge grille has 4 hooks 197
- Remove the 8 screws of the front panel 198
- The front panel has 4 hooks 198
- Unfasten the hooks pull and remove the front panel 198
- Remove the screw and remove the fan motor fixing frame 201
- When reassembling fit the lower hooks into the bottom frame 201
- Lift up the guard net and remove it 202
- Release the outdoor temperature thermistor 202
- Remove the 2 screws on the rear side 202
- Remove the right side panel 202
- Remove the 4 screws on the right side panel 203
- Remove the screw near the stop valves 203
- Lift up the right side panel and remove it 204
- Unfasten the hook on the rear side 204
- When reassembling make sure to fit the hook 204
- Removal of electrical box 205
- Cut the clamps at 2 locations 207
- Disconnect the connectors for the filter pcb hl3 hn3 207
- Remove the wire harness for standby electricity saving 207
- Lift and remove the electrical box 208
- Removal of thermistors 209
- Feature of the thermistors 210
- Removal of pcb 211
- Lift and pull out the main pcb 212
- Remove the 4 screws 212
- Unfasten the 3 hooks on the upper side 212
- Removal of reactor partition plate 214
- Removal of sound blanket 216
- Removal of four way valve 217
- Removal of compressor 220
- Outdoor unit rk x s20 35g2v1b9 arxs20 35g3v1b 222
- Removal of outer panels fan motor 222
- Remove the 2 screws and lift the top panel 223
- Remove the 4 screws and remove the discharge grille 223
- Remove the drip proof plate 223
- The discharge grille has 4 hooks 223
- Remove the 8 screws of the front panel 224
- The front panel has 4 hooks 224
- Unfasten the hooks pull and remove the front panel 224
- Cut the clamp 226
- Disconnect the connector for the fan motor s70 226
- Release the fan motor lead wire from the hook 226
- Remove the screw and remove the fan motor fixing frame 227
- When reassembling fit the lower hooks into the bottom frame 227
- Remove the 4 screws on the right side panel 229
- Remove the screw near the stop valves 229
- Unfasten the hook on the rear side 229
- When reassembling make sure to fit the hook 229
- Lift up the guard net and remove it 230
- Lift up the right side panel and remove it 230
- When reassembling make sure to fit the hook 230
- Removal of electrical box 231
- Be careful not to lose the clip for the thermistor 233
- Lift and remove the electrical box 233
- Release the discharge pipe thermistor 233
- Removal of pcb 234
- Cut the clamps at the 2 locations 236
- Disconnect the connector for the filter pcb s10 236
- Release the harness 236
- Cut the clamp 239
- Release the harnesses from the hook 239
- Remove the filter pcb 239
- Lift and pull out the filter pcb 240
- Release the harnesses from the hooks 240
- Remove the screw 240
- Unfasten the 2 hooks 240
- Feature of the filter pcb 241
- Refer to page 24 for detail 241
- Removal of reactor partition plate 242
- Removal of sound blanket 244
- Pull the sound blanket bottom out 245
- Pull the sound blanket inner out 245
- Removal of four way valve 246
- Removal of compressor 249
- Outdoor unit rk x s42g2v1b arxs42g2v1b 251
- Removal of outer panels 251
- Removal of electrical box 253
- Lift and remove the electrical box 257
- Remove the screw in front of the electrical box 257
- Removal of pcb 258
- Cut off the 5 clamps and disconnect the wire harnesses 259
- Release the earth wire from the hook 259
- Remove the 2 screws and detach the 1 clip to remove the radiation shield plate 259
- Remove the screw of the radiation fin 262
- Removal of sound blanket 263
- Removal of outdoor fan fan motor 265
- Remove the 1 screw of the fan motor fixing frame 266
- Remove the fan motor fixing frame 266
- The figure shows the arrangement of the fan motor lead wire 266
- Removal of thermistors 268
- Removal of four way valve electronic expansion valve 269
- Removal of compressor 272
- Outdoor unit rk x s50g2v1b arxs50g2v1b 275
- Removal of outer panels 275
- Push the front panel and lift the shield plate to unfasten the hooks 276
- Remove the 6 screws of the front panel 276
- The discharge grille has 4 hooks 276
- Removal of outdoor fan fan motor 279
- Disconnect the connector for the fan motor s70 280
- Release the fan motor lead wire from the 7 hooks 280
- Remove the fan motor 280
- Removal of electrical box 283
- Disconnect the 2 earth wires 284
- Remove the 3 screws of the right side panel 284
- Remove the screw of the electrical box 284
- Detach the clamp and release the thermistor lead wires from the hook 286
- Release the clamp of the compressor relay harness with pliers 286
- Remove the screw 286
- Lift and remove the electrical box 287
- Release the harness of the outdoor temperature thermistor from the hook 287
- Removal of pcb 288
- Lift up and remove the main pcb 290
- Refer to page 28 for detail 290
- Remove the 3 screws of the main pcb 290
- Unfasten the 4 hooks 290
- Removal of sound blanket thermistors 291
- Removal of four way valve 293
- Removal of electronic expansion valve 294
- Removal of compressor 295
- Application of silicon grease to a power transistor and a diode bridge 97 298
- Part 8 trial operation and field settings 298
- Pump down operation 88 2 forced cooling operation mode 89 3 trial operation 91 4 field settings 93 298
- Pump down operation 299
- Detail 300
- Forced cooling operation mode 300
- Indoor unit 300
- Outdoor unit rk x s 20 25 35g2v1b arxs20 25 35g2v1b 300
- Outline forced operation mode includes only forced cooling 300
- Trial operation 302
- Field settings 304
- Model type setting 304
- When 2 units are installed in 1 room 304
- Standby electricity saving 305
- Detail you can expand the operation range to 15 c by cutting jumper or turning on switch on the outdoor unit pcb if the outdoor temperature falls to 20 c or lower the operation stops if the outdoor temperature rises the operation starts again 306
- Facility setting jumper and switch cooling at low outdoor temperature 306
- Field settings sibe04 808_b 306
- Outline for cooling only model this function is limited only for facilities the target of air conditioning is equipment such as computer never use it in a residence or office the space where there is a human 306
- Rks20 35g2v1b 306
- Rks20 35g2v1b9 306
- Rks42g2v1b 306
- Trial operation and field settings 306
- Caution 1 if the outdoor unit is installed where the outdoor heat exchanger of the unit is exposed to direct wind provide a windbreak wall 2 intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings 3 do not place humidifiers or other items which might raise the humidity in rooms where facility settings are being used a humidifier might cause dew jumping from the indoor unit outlet vent 4 cutting jumper sets the indoor fan tap to the highest position 20 25 35 42 class 5 use the indoor unit at the highest level of airflow rate 50 class 307
- For the location of the jumper refer to the following pages indoor unit page 19 outdoor unit page 22 24 26 307
- For the location of the switch refer to page 28 307
- Jumper and switch settings 307
- Rks50g2v1b 307
- Application of silicon grease to a power transistor and a diode bridge 308
- Part 9 appendix 309
- Piping diagrams 99 309
- Wiring diagrams 04 309
- Appendix 310
- Ftxs20 25 35 42g2v1b atxs20 25 35 42g2v1b ftxs50g2v1b atxs50g2v1b 310
- Indoor unit 310
- Piping diagrams 310
- Piping diagrams sibe04 808_b 310
- Appendix 300 311
- Cooling only 311
- Outdoor unit 311
- Rks20g2v1b rks20g2v1b9 311
- Rks25 35g2v1b rks25 35g2v1b9 311
- Sibe04 808_b piping diagrams 311
- Appendix 312
- Piping diagrams sibe04 808_b 312
- Rks42g2v1b 312
- Rks50g2v1b 312
- Appendix 302 313
- Heat pump 313
- Rxs20g2v1b arxs20g2v1b rxs20g2v1b9 arxs20g3v1b 313
- Rxs25 35g2v1b arxs25 35g2v1b rxs25 35g2v1b9 arxs25 35g3v1b 313
- Sibe04 808_b piping diagrams 313
- Appendix 314
- Piping diagrams sibe04 808_b 314
- Rxs42g2v1b arxs42g2v1b 314
- Rxs50g2v1b arxs50g2v1b 314
- Appendix 304 315
- Ftxs20 25 35 42 50g2v1b atxs20 25 35 42 50g2v1b 315
- Indoor unit 315
- Intelligent eye sensor 315
- Outdoor unit 315
- Rk x s20 25 35g2v1b arxs20 25 35g2v1b 315
- Sibe04 808_b wiring diagrams 315
- Transmission circuit 315
- Wiring diagrams 315
- Appendix 316
- Rk x s20 25 35g2v1b9 arxs20 25 35g3v1b 316
- Rks42g2v1b 316
- Wiring diagrams sibe04 808_b 316
- Appendix 306 317
- D056145a 317
- D059601 317
- Rks50g2v1b 317
- Rxs42g2v1b arxs42g2v1b 317
- Sibe04 808_b wiring diagrams 317
- Appendix 318
- D056095c 318
- Rxs50g2v1b arxs50g2v1b 318
- Wiring diagrams sibe04 808_b 318
- Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 if the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided if you need to install the outdoor unit close to the sea shore contact your local distributor 319
- Ask a qualified installer or contractor to install this product do not try to install the product yourself improper installation can result in water or refrigerant leakage electrical shock fire or explosion 319
- Cautions on product corrosion 319
- Daikin industries ltd s products are manufactured for export to numerous countries throughout the world daikin industries ltd does not have control over which products are exported to and used in a particular country prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used this statement does not purport to exclude restrict or modify the application of any local legislation 319
- Http www daikin com global_ac 319
- If you have any enquiries please contact your local importer distributor and or retailer 319
- Read the user s manual carefully before using this product the user s manual provides important safety instructions and warnings be sure to follow these instructions and warnings 319
- Sibe04 808_b printed in japan 12 2010 b ak 319
- Use only those parts and accessories supplied or specified by daikin ask a qualified installer or contractor to install those parts and accessories use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion 319
- Warning 319
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