Daikin RKS60E2V1B [168/258] When mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position

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 35

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 35

Main functions 35

Note see the list of functions for the functions applicable to different models 35

The difference between the room temperature and the set temperature 35

The load condition of the operating indoor unit 35

The target frequency is adapted by additional parameters in the following cases 35

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 36

Energy saving heating and cooling once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power 36

Even during extreme cold weather the high capacity is achieved it is maintained even when the outside temperature is 2 c 36

For more information refer to forced operation mode on page 36

Forced cooling operation 36

Frequency limits the following table shows the functions that define the minimum and maximum frequency 36

Inverter features the inverter provides the following features 36

Quick heating and quick cooling the compressor rotational speed is increased when starting the heating or cooling this enables a quick set temperature 36

The regulating capacity can be changed according to the changes in the outside temperature and cooling heating load 36

Power airflow dual flaps wide angle louvers and auto swing 37

Automatic air flow control for cooling 38

Automatic air flow control for heating 38

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 rotation speed control and hall ic control 38

Fan speed control for indoor units 38

Fan steps fan speed control contains 9 steps lll ll sl l ml m mh h and hh 38

For more information about hall ic refer to the troubleshooting for fan motor on page 119 38

Ftk x s50d atxs50e 980 1090 rpm ftk x s50 71e atx50e 800 950 rpm 38

Function and control 29 38

Ll sl silent l ml m mh h hh powerful 38

Note 1 during powerful operation fan operates h tap 50 90 rpm 2 fan stops during defrost operation 3 in time of thermostat off the fan rotates at the following speed cooling the fan keeps rotating at the set tap heating ftk x s50d atxs50e the fan rotates at lll tap ftk x s50 71e atx50e the fan stops 38

Sibe04 609 main functions 38

Step cooling heating dry mode lll 38

The following drawing explains the principle for fan speed control for heating 38

The following drawing explains the principle of fan speed control for cooling 38

Within this range the airflow rate is automatically controlled when the fan setting button is set to automatic 38

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 39

Programme dry function 39

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 39

Automatic operation 40

Cooling dry 41

Function and control 41

Heating 41

Main functions sibe04 609 41

The monitoring time has passed while the temperature difference is in the zone b cooling dry 10 minutes heating 10 seconds 41

The operation turns on in any zones except a 41

The system resumes from defrost control in any zones except a 41

The temperature difference is above the zone c after being in the zone a 41

The temperature difference is in the zone a 41

Thermostat control 41

Thermostat control is based on the difference between the room temperature and the setpoint 41

Thermostat off condition 41

Thermostat on condition 41

Night set mode 42

Econo mode 43

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 44

Function and control 35 44

In case of fan mode the fan speed reduces by 50 rpm 44

Intelligent eye 44

Processing 1 detection method by intelligent eye 44

Sibe04 609 main functions 44

The motions for example in cooling 44

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 44

This sensor detects human motion by receiving infrared rays and displays the pulse wave output 44

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 shifted 2 c from the set temperature cooling 2 c higher dry 1 c higher and auto according to the operation mode at that time 44

Home leave operation 46

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 47

Ex powerful operation in cooling mode 47

Ftk x s50 60 71e atx50e ft y n50 60e 47

Inverter powerful operation 47

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 47

Auto restart function 48

Hot start function 48

Mold proof air filter 48

On off button on indoor unit 48

Other functions 48

Self diagnosis digital display 48

Signal receiving sign 48

Titanium apatite photocatalytic air purifying filter 48

Function of thermistor 49

Heat pump model 49

Cooling only model 50

Control specification 51

Control specification sibe04 609 51

Detail 1 for heat pump model there are following modes stop cooling includes drying heating include defrosting 51

For cooling only model there are following models stop and cooling including drying 51

Function and control 51

Mode hierarchy 51

Note unless specified otherwise an indoor dry operation command must be regarded as cooling operation 51

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 51

Frequency control 52

Controls at mode changing start up 54

Four way valve operation compensation 54

Four way valve switching 54

Preheating operation 54

3 minutes stand by 55

Compressor protection function 55

Detail divide the zone 55

Discharge pipe temperature control 55

Management within the zones 55

Outline the discharge pipe temperature is used as the compressor s internal temperature if the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further 55

Prohibit to turn on the compressor for 3 minutes after turning it off except when defrosting only for heat pump model 55

Reset zone discharge pipe temperature 55

Stop zone 55

When turning the compressor from off to on the upper limit of frequency must be set as follows the function must not be used when defrosting only for heat pump model 55

After 2 s in this zone the compressor is stopped 56

After this the output frequency is pulled down by 2hz every second until it reaches the steady zone keep zone 56

Detail 56

Frequency control in each zone drooping zone 56

Ftk x s50d and atxs50e only have econo mode 56

Input current control 56

Limit of the frequency is cancelled stop zone 56

Limitation of current drooping and stop value according to the outdoor air temperature 1 in case the operation mode is cooling 56

Outline the microcomputer calculates the input current during the compressor is running and set the frequency upper limit from such input current in case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation 56

The current droops when outdoor air temperature becomes higher than a certain level model by model 56

The current droops when outdoor air temperature becomes higher than a certain level model by model 2 in case the operation mode is heating only for heat pump model 56

The maximum limit of the compressor frequency in this control is defined as operation frequency 2hz 56

The present maximum frequency goes on reset zone 56

Freeze up protection control 57

Heating peak cut control 57

Fan control 58

Liquid compression protection function 2 58

Control specification sibe04 609 59

Defrost control 59

Detail conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time pass since the start of the operation or ending the defrosting conditions for canceling defrost the judgment must be made with heat exchanger temperature 4 c 12 c 59

Detail separate into zones 59

Function and control 59

Low hz high pressure limit 59

Note drooping the system stops after staying in the drooping zone for 2 minutes 59

Outline heat pump only defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 59

Outline heat pump only set the upper limit of high pressure in a low hz zone set the upper limit of the indoor heat exchanger temperature by its operating frequency of hz separate into three zones reset zone unchanged zone and drooping zone and the frequency control must be carried out in such zones 59

Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 60

Electronic expansion valve control 60

Function and control 51 60

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 control when frequency changed 3 control for defrosting only for heat pump model 4 control when a discharge pipe temperature is abnormally high 5 control when the discharge pipe thermistor is disconnected feedback control 1 discharge pipe temperature control 60

Sibe04 609 control specification 60

Disconnection of the discharge pipe thermistor 61

Fully closing with power on 61

High temperature of the discharge pipe 61

Opening limit 61

Pressure equalization control 61

Starting operation control 61

Control when frequency is changed 62

Target discharge pipe temperature control 62

Detection of overload and over current 63

Insufficient gas control 63

Malfunctions 63

Sensor malfunction detection 63

Additional function 64

Compressor operating frequency is increased to pi max max hz of operating room and outdoor unit airflow rate is increased 64

Detail forced cooling 64

Detail judgment by input current when an output frequency is exceeds 55 hz 40hz for 71 class and the input current is less than specified value the adjustment is made for insufficient gas judgment by discharge pipe temperature when discharge pipe temperature is 20 45 c depending on the model or mode higher than target value and the electronic expansion value opening is 480 pulse max the adjustment is made for insufficient gas 64

Forced operation mode 64

Outline forced operating mode includes only forced cooling 64

Power supply voltage is detected each time equipment operation starts 64

Powerful operation mode 64

Voltage detection function 64

Facility setting switch cooling at low outdoor temperature 65

Part 5 system configuration 66

System configuration 8 2 instruction 9 66

System configuration 67

Caution 68

Instruction 68

Safety precautions 68

Warning 68

Consider nuisance to your neighbours from noises 69

Electrical work 69

Installation site 69

System relocation 69

Ftk x s 50 d atxs 50 e 70

Indoor unit 70

Names of parts 70

Outdoor unit 71

Remote controller 72

Preparation before operation 73

To set the batteries 73

Attention 74

Choose a place from where the sig nals reach the unit 74

Fix the holder to a wall a pillar or similar location with the screws procured locally 74

Place the remote controller in the remote controller holder 74

Preparation before operation 74

To fix the remote controller holder on the wall 74

To operate the remote controller 74

Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 75

If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 75

Operation outside this humidity or temperature range may cause a safety device to disable the system 75

Press clock button 75

Press timer setting button to set the clock to the present time 75

The air conditioner always consumes 15 35 watts of electricity even while it is not operating 75

To set the clock 75

Turn the breaker on 75

Use the air conditioner in the following conditions 75

Auto dry cool heat fan operation 76

To change the temperature setting 76

To start operation 76

To stop operation 76

Press fan setting button 77

To change the air flow rate setting 77

Adjusting the air flow direction 78

To adjust the horizontal blades flaps 78

To adjust the vertical blades louvers 78

Cool dry the flap will go up heat the flap will go down 79

Notes on comfort airflow operation 79

Notes on flaps and louvers angles 79

Press comfort airflow button 79

Press comfort airflow button again 79

To cancel comfort airflow operation 79

To start comfort airflow operation 79

Powerful operation 80

To cancel powerful operation 80

To start powerful operation 80

Outdoor unit silent operation 81

To cancel outdoor unit silent operation 81

To start outdoor unit silent operation 81

Econo operation 82

To cancel econo opera tion 82

To start econo operation 82

Intelligent eye operation 83

To cancel the intelligent eye operation 83

To start intelligent eye operation 83

Caution 84

Intelligent eye is useful for energy saving 84

Intelligent eye operation 84

Notes on intelligent eye 84

Timer operation 85

To cancel the off timer operation 85

To use off timer operation 85

Attention 86

Press cancel button 86

Press on timer button 86

Press on timer button again 86

Press timer setting button until the time setting reaches the point you like 86

Timer operation 86

To cancel on timer operation 86

To combine on timer and off timer 86

To use on timer operation 86

Care and cleaning 87

Caution 87

Front panel 87

Indoor unit outdoor unit and remote controller 87

Air filter 88

Filters 88

Maintenance 88

Replacement 88

Titanium apatite photocatalytic air purifying filte 88

After operation stops turn off the breaker for the room air conditioner 89

Before a long idle period 89

Clean the air filters and set them again 89

Operate the fan only for several hours on a fine day to dry out the inside 89

Take out batteries from the remote controller 89

Case explanation 90

These cases are not troubles 90

Trouble shooting 90

Troubleshooting 90

Case check 91

Check again 91

Call the service shop immediately 92

Disposal requirements 92

Warning 92

We recommend periodical maintenance 92

Fault diagnosis 93

Instruction sibe04 609 93

System configuration 93

The code indication changes as shown below and notifies with a long beep 93

Ftk x s 50 71 e ft y n 50 60 e atx 50 e 94

Indoor unit 94

Main unit control panel 94

Names of parts 94

Outdoor unit 95

Arc433a21 a22 96

Remote controller 96

Preparation before operation 97

To set the batteries 97

Attention 98

Choose a place from where the signals reach the unit 98

Place the remote controller in the remote controller holder 98

Preparation before operation 98

To fix the remote controller holder on the wall 98

To operate the remote controller 98

Be careful not to cool heat the room too much keeping the temperature setting at a moderate level helps save energy 99

Clogged air filters cause inefficient operation and waste energy clean them once in about every two weeks 99

Cover windows with a blind or a curtain blocking sunlight and air from outdoors increases the cooling heating effect 99

If you are not going to use the air conditioner for a long period for example in spring or autumn turn the breaker off 99

Operation outside this humidity or temperature range may cause a safety device to disable the system 99

Press clock button 99

The air conditioner always consumes 15 35 watts of electricity even while it is not operating 99

To set the clock 99

Turn the breaker on 99

Use the air conditioner in the following conditions 99

Auto dry cool heat fan operation 100

To change the temperature setting 100

To start operation 100

To stop operation 100

Press fan setting button 101

To change the air flow rate setting 101

Adjusting the air flow direction 102

To adjust the horizontal blade flap 102

To adjust the vertical blades louvers 102

Notes on flap angle 103

Notes on louvers angles 103

Press either the swing button or the swing button 103

Press the swing button and the swing button the and display will light up and the flap and louvers will move in turn 103

To 3 d airflow 103

To cancel 3 d airflow 103

Powerful operation 104

To cancel powerful operation 104

To start powerful operation 104

Outdoor unit silent operation 105

To cancel outdoor unit silent operation 105

To start outdoor unit silent operation 105

Before using home leave operation 106

Home leave operation 106

To cancel home leave operation 106

To start home leave operation 106

Use as a favorite mode 107

Use as an energy saving mode 107

Useful in these cases 107

What s the home leave operation 107

Intelligent eye operation 108

To cancel the intelligent eye operation 108

To start intelligent eye operation 108

Caution 109

Intelligent eye is useful for energy saving 109

Notes on intelligent eye 109

Timer operation 110

To cancel the off timer operation 110

To use off timer operation 110

Attention 111

Press cancel button 111

Press on timer button 111

Press on timer button again 111

Press timer setting button until the time setting reaches the point you like 111

To cancel on timer operation 111

To combine on timer and off timer 111

To use on timer operation 111

Care and cleaning 112

Caution 112

Front panel 112

Indoor unit outdoor unit and remote controller 112

After washing shake off remaining water and dry in the shade 4 113

Air filter 113

Clean or replace each filter 113

Filters 113

If it is very dirty soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent 113

Maintenance 113

Open the front panel page 24 2 pull out the air filters 113

Remove dust with a vacuum cleaner and wash lightly with water 2 113

Remove the tabs on the filter frame and replace with a new filter 113

Replacement 113

Set the air filter and the titanium apatite photocatalytic air purifying filter as they were and close the front panel 113

Take off the titanium apatite photocatalytic air purifying filter 113

Titanium apatite photocatalytic air purifying filter gray 113

Wash the air filters with water or clean them with vacuum cleaner 113

After operation stops turn off the breaker for the room air conditioner 114

Before a long idle period 114

Clean the air filters and set them again 114

Dispose of old filters as burnable waste 114

Operate the fan only for several hours on a fine day to dry out the inside 114

Press mode button and select fan operation 114

Press on off button and start operation 114

Take out batteries from the remote controller 114

Titanium apatite photocatalytic air purifying filter without frame 1 set 114

To order titanium apatite photocatalytic air purifying filter contact to the service shop there you bought the air conditioner 114

Case explanation 115

These cases are not troubles 115

Trouble shooting 115

Troubleshooting 115

Case check 116

Check again 116

Call the service shop immediately 117

Disposal requirements 117

The power cord is abnormally hot or damaged an abnormal sound is heard during operation the safety breaker a fuse or the earth leakage breaker cuts off the operation frequently a switch or a button often fails to work properly there is a burning smell water leaks from the indoor unit 117

Turn the breaker off and call the service shop 117

Warning 117

We recommend periodical maintenance 117

Fault diagnosis 118

Sibe04 609 instruction 118

System configuration 109 118

The code indication changes as shown below and notifies with a long beep 118

Caution for diagnosis 12 2 problem symptoms and measures 13 3 service check function 14 4 troubleshooting 15 120

Check 47 120

Part 6 service diagnosis 120

Caution for diagnosis 121

Problem symptoms and measures 122

In the arc433a series remote controller 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 123

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 123

Press the timer cancel button repeatedly until a continuous beep is produced 123

Service check function 123

Displayed only when system down occurs 124

Error codes and description 124

Troubleshooting 124

Indoor unit pcb abnormality 125

Freeze up protection control or high pressure control 126

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 127

Check no 6 refer to p 49 127

Service diagnosis 127

Troubleshooting 127

Troubleshooting sibe04 609 127

Fan motor dc motor or related abnormality 128

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 129

Check no 1 refer to p 47 129

Service diagnosis 129

Troubleshooting 129

Troubleshooting sibe04 609 129

Thermistor or related abnormality indoor unit 130

Check no 0 refer to p 52 131

Faulty indoor unit pcb 131

Faulty outdoor unit pcb 131

Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire no 2 131

Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform 131

Indoor unit outdoor unit signal transmission error due to wiring error 131

Malfunction decision conditions 131

Method of malfunction detection 131

Remote controller display 131

Service diagnosis 131

Signal transmission error between indoor and outdoor units 131

Supposed causes 131

The data received from the outdoor unit in indoor unit outdoor unit signal transmission is checked whether it is normal 131

Troubleshooting 131

Troubleshooting sibe04 609 131

When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal 131

Outdoor unit pcb abnormality 132

A compressor overload is detected through compressor ol 133

Check no 1 refer to p 52 133

Check no 4 refer to p 47 133

Check no 5 refer to p 48 133

Check no 6 refer to p 49 133

Electronic expansion valve defective 133

Four way valve malfunctioning 133

If the compressor ol is activated twice the system will be shut down 133

Malfunction decision conditions 133

Method of malfunction detection 133

Ol activation compressor overload 133

Outdoor unit pcb defective 133

Refrigerant shortage 133

Remote controller display 133

Service diagnosis 133

Stop valve defective 133

Supposed causes 133

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 the operating temperature condition is not specified 133

Troubleshooting 133

Troubleshooting sibe04 609 133

Water mixed in the local piping 133

A compressor lock is detected by checking the compressor running condition through the position detection circuit 134

Clearing condition continuous run for about 5 minutes normal 134

Compressor lock 134

Compressor locked 134

Judging from current waveform generated when high frequency voltage is applied to the compressor 134

Malfunction decision conditions 134

Method of malfunction detection 134

Remote controller display 134

Service diagnosis 125 134

Sibe04 609 troubleshooting 134

Supposed causes 134

The system will be shut down if the error occurs 16 times 134

Troubleshooting 134

Dc fan lock 135

Input over current detection 136

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 137

Check no 4 refer to p 54 137

Check no 7 refer to p 50 137

Check no 8 refer to p 51 137

Service diagnosis 137

Troubleshooting 137

Troubleshooting sibe04 609 137

60 class 71 class 110 120 138

Check no 1 refer to p 52 138

Check no 4 refer to p 47 138

Check no 6 refer to p 49 138

Discharge pipe temperature control 138

Discharge pipe thermistor defective heat exchanger or outdoor temperature thermistor defective 138

Electronic expansion valve defective 138

Four way valve malfunctioning 138

If a stop takes place 6 times successively due to abnormal discharge pipe temperature the system will be shut down 138

If the temperature being detected by the discharge pipe thermistor rises above c the compressor will stop the error is cleared when the temperature has dropped below c 138

Malfunction decision conditions 138

Method of malfunction detection 138

Outdoor unit pcb defective 138

Refrigerant shortage 138

Remote controller display 138

Service diagnosis 129 138

Sibe04 609 troubleshooting 138

Stop valve defective 138

Supposed causes 138

The discharge pipe temperature control stop frequency drooping etc is checked with the temperature being detected by the discharge pipe thermistor 138

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 138

Troubleshooting 138

Water mixed in the local piping 138

Compressor sensor system abnormality 139

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 140

Service diagnosis 131 140

Sibe04 609 troubleshooting 140

Troubleshooting 140

A compressor startup failure is detected by checking the compressor running condition through the position detection circuit 141

Check no 3 refer to p 53 141

Clearing condition continuous run for about 5 minutes normal 141

Compressor itself defective 141

Compressor relay cable disconnected 141

Input voltage out of specification 141

Malfunction decision conditions 141

Method of malfunction detection 141

Outdoor unit pcb defective 141

Position sensor abnormality 141

Remote controller display 141

Service diagnosis 141

Stop valve closed 141

Supposed causes 141

The compressor fails to start in about 15 seconds after the compressor run command signal is sent 141

The system will be shut down if the error occurs 8 times 141

Troubleshooting 141

Troubleshooting sibe04 609 141

Ct or related abnormality 142

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 143

Check no 2 refer to p 53 143

Service diagnosis 143

Troubleshooting 143

Troubleshooting sibe04 609 143

P4 j3 j6 h9 144

Thermistor or related abnormality outdoor unit 144

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 145

Check no 6 refer to p 49 145

Discharge pipe thermistor 145

Outdoor air thermistor 145

Outdoor heat exchanger thermistor 145

Radiation fin thermistor 145

Service diagnosis 145

Troubleshooting 145

Troubleshooting sibe04 609 145

Electrical box temperature rise 146

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 147

Check no 6 refer to p 49 147

Check no 7 refer to p 50 147

Check no 9 refer to p 51 147

Service diagnosis 147

Troubleshooting 147

Troubleshooting sibe04 609 147

Radiation fin temperature rise 148

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 149

Check no 6 refer to p 49 149

Check no 7 refer to p 50 149

Check no 9 refer to p 51 149

Service diagnosis 149

Troubleshooting 149

Troubleshooting sibe04 609 149

Output over current detection 150

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 151

Check no 3 refer to p 53 151

Check no 7 refer to p 50 151

Check no 8 refer to p 51 151

Service diagnosis 151

Troubleshooting 151

Troubleshooting sibe04 609 151

Insufficient gas 152

Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 153

Check no 4 refer to p 47 153

Check no 6 refer to p 49 153

Service diagnosis 153

Troubleshooting 153

Troubleshooting sibe04 609 153

An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 154

An over voltage signal is fed from the over voltage detection circuit to the microcomputer or the voltage being detected by the dc voltage detection circuit is judged to be below 150 v for 0 second 154

Clearing condition continuous run for about 60 minutes normal 154

Low voltage detection or over voltage detection 154

Malfunction decision conditions 154

Method of malfunction detection 154

Over voltage detector or dc voltage detection circuit defective 154

Pam control part s defective 154

Remote controller display 154

Service diagnosis 145 154

Sibe04 609 troubleshooting 154

Supply voltage not as specified 154

Supposed causes 154

The system will be shut down if the error occurs 16 times 154

Troubleshooting 154

Signal transmission error on outdoor unit pcb 155

Electronic expansion valve check 156

Fan motor connector output check 156

How to check 156

Check no 5 157

Check sibe04 609 157

Four way valve performance check 157

Service diagnosis 157

Check no 6 remove the connectors of the thermistors on the pcb and measure the resistance of each thermistor using tester the relationship between normal temperature and resistance is shown in the graph and the table below 158

Thermistor resistance check 158

Check no 7 159

Check sibe04 609 159

Installation condition check 159

Service diagnosis 159

Check no 8 160

Check no 9 160

Discharge pressure check 160

Outdoor unit fan system check with dc motor 160

Service diagnosis 151 160

Sibe04 609 check 160

Check no 0 measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance 161

Check no 1 161

Check sibe04 609 161

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

Power supply waveforms check 161

Service diagnosis 161

Capacitor voltage check 162

Check no 2 before this checking be sure to check the main circuit for short circuit 162

Check no 3 162

Checking the capacitor voltage 162

Checking the power transistor 162

For the uvw make measurements at the faston terminal on the board or the relay connector 162

If unavoidably necessary to touch a live part make sure the power transistor s supply voltage is below 50 v using the tester 162

Never touch any live parts for at least 10 minutes after turning off the circuit breaker 162

Power transistor check 162

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

Main circuit electrolytic capacitor check 163

Turning speed pulse input on the outdoor unit pcb check 163

Indoor unit 56 164

Outdoor unit 05 164

Part 7 removal procedure 164

Ftk x s 50 d atxs 50 e 165

Indoor unit 165

Removal of air filter 165

Removal of front panel 167

Remove the front panel caution on mounting 168

When mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position 168

Removal of front grille 169

Removal of horizontal blades and vertical blades 172

Remove the horizontal blade small while bending the fixed part at the center slightly 173

Removing the horizontal blade small 173

Unfasten the key type fixing shaft at the right side 173

Unfasten the left side 173

Removal of electrical box 175

Removal of pcb 178

Removal of drain pan unit 184

Removal of fan motor 188

Remove the fan motor 189

Unfasten the hook a of the fan motor fixing plate with your thumb 189

Unfasten the hook c 189

Removal of heat exchanger 190

Removal of fan rotor 193

Ftk x s 50 60 71 e atx 50 e ft y n 50 60 e 196

Removal of the air filter front panel 196

Removal of the front grille 199

Removal of the horizontal blades vertical blades 201

Removal of the electrical box pcb swing motor 203

Removal of the heat exchanger 209

Removal of the fan rotor fan motor 212

Outdoor unit 214

Removal of the panels and plates 214

Rk x s 50 60 71 e arxs 50 e r y n 50 60 e 214

Removal of the fan motor propeller fan 218

Removal of the electrical box 222

Class only 225

Disconnect the relaying wire connector for the compressor 225

Release the clamp and undo the wire from the hook 225

Release the clamp by pliers 225

Lift the electrical box and remove it 226

Removal of the pcb 227

Lift up and remove the pcb 229

Loosen the 3 fixing screws for the main pcb 229

Undo the 4 hooks 229

Removal of the sound blanket 230

Removal of the four way valve 232

Removal of the electronic expansion valve 233

Removal of the compressor 235

Others 30 238

Part 8 others 238

Others 239

Test run from the remote controller 239

Control pcb of the indoor unit 1 remove the front grille 3 screws 2 remove the electrical box 1 screw 3 remove the drip proof plate 4 tabs 4 cut the address jumper ja on the control pcb 240

How to set the different addresses 240

Jumper setting 240

Jumper settings 240

When two indoor units are installed in one room the two wireless remote controllers can be set for different addresses 240

When two units are installed in one room 240

Wireless remote controller 1 slide the front cover and take it off 2 cut the address jumper j4 240

Part 9 appendix 242

Piping diagrams 34 242

Wiring diagrams 38 242

Ftk x s50 60ev1b ft y n50 60ev1b atx50ev1b ftks71ev1b 243

Ftks50d2v1w l ftxs50d2v1w l atxs50e2v1b 243

Indoor units 243

Piping diagrams 243

Appendix 235 244

Ftxs71ev1b 244

Sibe04 609 piping diagrams 244

Appendix 245

Cooling only 245

Outdoor units 245

Piping diagrams sibe04 609 245

Rks50 60e2v1b rn50 60e2v1b 245

Rks71e2v1b 245

Appendix 237 246

Heat pump 246

Rxs50 60e2v1b arxs50e2v1b ryn50 60e2v1b 246

Rxs71e2v1b 246

Sibe04 609 piping diagrams 246

Appendix 247

Ftk x s50 60 71ev1b atx50ev1b 247

Ftk x s50d2v1w l atxs50e2v1b 247

Indoor units 247

Wiring diagrams 247

Wiring diagrams sibe04 609 247

Appendix 239 248

D038532c 248

Ft y n50 60ev1b 248

Sibe04 609 wiring diagrams 248

Appendix 249

Outdoor units 249

Rks50 60e2v1b rn50 60e2v1b 249

Rxs50 60e2v1b arxs50e2v1b ryn50 60e2v1b 249

Wiring diagrams sibe04 609 249

Appendix 241 250

Rks71e2v1b 250

Rxs71e2v1b 250

Sibe04 609 wiring diagrams 250

Numerics 252

Drawings flow charts 256

Cautions on product corrosion 258

Daikin RKS60E2V1B [168/258] When mounting the front panel fit the right and left rotary shafts one by one into the grooves and fully push them in position

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