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Troubleshooting

SiBE06-708_A

Service Diagnosis

4.5

Thermistor or Related Abnormality (Indoor Unit)

Remote
Controller
Display

Method of
Malfunction
Detection

The temperatures detected by the thermistors determine thermistor errors.

Malfunction
Decision
Conditions

The thermistor input is more than 4.96 V or less than 0.04 V during compressor operation.

Supposed
Causes

Disconnection of connector

Defective thermistor

Defective indoor unit PCB

Troubleshooting

Check No.06

Refer to P.129

: Indoor heat exchanger thermistor

: Room temperature thermistor

YES

(R7134)

Check No. 06

Check the thermistor resistance
value.

YES

Caution

Correct the connection.

Replace the thermistor.

Replace the indoor unit PCB.

Is it normal?

Check the connection of
connectors.

Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.

Содержание Floor Standing Type F-Series

Страница 1: ... Applied Models z Inverter Pair Cooling Only z Inverter Pair Heat Pump SiBE06 708_A Inverter Pair Floor Standing Type F Series ...

Страница 2: ...Unit FVXS25FV1B FVXS35FV1B FVXS50FV1B Outdoor Unit RKS25F2V1B RKS25G2V1B RKS25G2V1B9 RKS35F2V1B RKS35G2V1B RKS35G2V1B9 RKS50F2V1B RKS50G2V1B zHeat Pump Indoor Unit FVXS25FV1B FVXS35FV1B FVXS50FV1B Outdoor Unit RXS25F2V1B RXS25G2V1B RXS25G2V1B9 RXS35F2V1B RXS35G2V1B RXS35G2V1B9 RXS50F2V1B RXS50G2V1B ...

Страница 3: ... 4 Fan Speed Control for Indoor Units 34 1 5 Program Dry Operation 35 1 6 Automatic Operation 36 1 7 Thermostat Control 37 1 8 NIGHT SET Mode 38 1 9 ECONO Operation 39 1 10 Inverter POWERFUL Operation 40 1 11 Other Functions 41 2 Function of Thermistor 42 3 Control Specification 43 3 1 Mode Hierarchy 43 3 2 Frequency Control 44 3 3 Controls at Mode Changing Start up 46 3 4 Discharge Pipe Temperatu...

Страница 4: ... Unit 89 4 6 Signal Transmission Error between Indoor Unit and Outdoor Unit 90 4 7 Unspecified Voltage between Indoor Unit and Outdoor Unit 91 4 8 Outdoor Unit PCB Abnormality 92 4 9 OL Activation Compressor Overload 94 4 10 Compressor Lock 95 4 11 DC Fan Lock 96 4 12 Input Overcurrent Detection 97 4 13 Four Way Valve Abnormality 98 4 14 Discharge Pipe Temperature Control 100 4 15 High Pressure Co...

Страница 5: ...emoval of PCB 192 3 5 Removal of Reactor Partition Plate 195 3 6 Removal of Sound Blanket 197 3 7 Removal of Four Way Valve 198 3 8 Removal of Compressor 201 4 Outdoor Unit RK X S25 35G2V1B9 203 4 1 Removal of Outer Panels Fan Motor 203 4 2 Removal of Electrical Box 212 4 3 Removal of PCB 215 4 4 Removal of Reactor Partition Plate 223 4 5 Removal of Sound Blanket 225 4 6 Removal of Four Way Valve ...

Страница 6: ...low outdoor temperature 260 2 5 Jumper and Switch Settings 261 3 Application of Silicon Grease to a Power Transistor and a Diode Bridge 262 Part 9 Appendix 263 1 Piping Diagrams 264 1 1 Indoor Unit 264 1 2 Outdoor Unit 265 2 Wiring Diagrams 268 2 1 Indoor Unit 268 2 2 Outdoor Unit 269 ...

Страница 7: ...ower cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas is discharged during the repair work...

Страница 8: ...electrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Be sure to...

Страница 9: ... heat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section may cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable may cause an electrical shock or fir...

Страница 10: ...event children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If the combustible gas leaks and remains around the...

Страница 11: ...re to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only Caution Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A ca...

Страница 12: ...SiBE06 708_A 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Cooling Only 2 1 2 Heat Pump 5 ...

Страница 13: ...art after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Quick Warming Function Preheating Operation H P C O Comp...

Страница 14: ...r Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Quick Warming Function Preheating Operation H P C O Compatible Indoor ...

Страница 15: ...e Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Quick Warming Function Preheating Operation H P C O Compatible Indoor Unit Hot...

Страница 16: ... D Airflow Worry Free Reliability Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Qu...

Страница 17: ...low Worry Free Reliability Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Quick War...

Страница 18: ...ty Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Outdoor Heat Exchanger OUTDOOR UNIT QUIET Operation Manual INTELLIGENT EYE Operation Flexibility Multi Split Split Type Compatible Indoor Unit Quick Warming Function Preheating...

Страница 19: ...SiBE06 708_A Specifications 8 Part 2 Specifications 1 Specifications 9 1 1 Cooling Only 9 1 2 Heat Pump 14 ...

Страница 20: ...izontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 13 0 12 0 14 0 13 0 12 Power Consumption W 15 15 Power Factor 48 7 50 2 52 1 48 7 50 2 52 1 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 700 210 600 700 210 Packaged Dimensions H W D mm 696 786 286 696 786 286...

Страница 21: ...Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current A 0 18 0 17 0 16 Power Consumption W 27 Power Factor 68 1 69 1 70 3 Temperature Control Microcomputer Control Dimensions H W D mm 600 700 210 Packaged Dimensions H W D mm 696 786 286 Weight kg 14 Gross Weight kg 18 Operation Sound H M L SL dBA 44 40 36 32 Sound Power dBA 56 Outdoor Unit RKS5...

Страница 22: ...ight Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 13 0 12 0 14 0 13 0 12 Power Consumption W 15 15 Power Factor 48 7 50 2 52 1 48 7 50 2 52 1 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 700 210 600 700 210 Packaged Dimensions H W D mm 696 786 286 696 786 286 Weight kg 14 14 G...

Страница 23: ...to Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current A 0 18 0 17 0 16 Power Consumption W 27 Power Factor 68 1 69 1 70 3 Temperature Control Microcomputer Control Dimensions H W D mm 600 700 210 Packaged Dimensions H W D mm 696 786 286 Weight kg 14 Gross Weight kg 18 Operation Sound H M L SL dBA 44 40 36 32 Sound Power dBA 56 Outdoor Un...

Страница 24: ...ight Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 13 0 12 0 14 0 13 0 12 Power Consumption W 15 15 Power Factor 48 7 50 2 52 1 48 7 50 2 52 1 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 700 210 600 700 210 Packaged Dimensions H W D mm 696 786 286 696 786 286 Weight kg 14 14 G...

Страница 25: ...Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 14 0 13 0 12 0 15 0 14 0 13 0 14 0 13 0 12 0 15 0 14 0 13 Power Consumption Rated W 15 17 15 17 Power Factor 48 7 50 2 52 1 51 5 52 8 54 5 48 7 50 2 52 1 51 5 52 8 54 5 Temperature Control Microcomputer Control Microcomputer Control Dime...

Страница 26: ...s Quiet Auto Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current A 0 18 0 17 0 16 0 20 0 19 0 18 Power Consumption W 27 34 Power Factor 68 1 69 1 70 3 77 3 77 8 78 7 Temperature Control Microcomputer Control Dimensions H W D mm 600 700 210 Packaged Dimensions H W D mm 696 786 286 Weight kg 14 Gross Weight kg 18 Operation Sound H M L SL dB...

Страница 27: ...t Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 14 0 13 0 12 0 15 0 14 0 13 0 14 0 13 0 12 0 15 0 14 0 13 Power Consumption Rated W 15 17 15 17 Power Factor 48 7 50 2 52 1 51 5 52 8 54 5 48 7 50 2 52 1 51 5 52 8 54 5 Temperature Control Microcomputer Control Microcomputer Control Dimensions H ...

Страница 28: ... 5 Steps Quiet Auto Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current A 0 18 0 17 0 16 0 20 0 19 0 18 Power Consumption W 27 34 Power Factor 68 1 69 1 70 3 77 3 77 8 78 7 Temperature Control Microcomputer Control Dimensions H W D mm 600 700 210 Packaged Dimensions H W D mm 696 786 286 Weight kg 14 Gross Weight kg 18 Operation Sound H M ...

Страница 29: ...eft Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 14 0 13 0 12 0 15 0 14 0 13 0 14 0 13 0 12 0 15 0 14 0 13 Power Consumption Rated W 15 17 15 17 Power Factor 48 7 50 2 52 1 51 5 52 8 54 5 48 7 50 2 52 1 51 5 52 8 54 5 Temperature Control Microcomputer Control Microcomputer Control Dimensions ...

Страница 30: ...E06 708_A 19 Printed Circuit Board Connector Wiring Diagram Part 3 Printed Circuit Board Connector Wiring Diagram 1 Printed Circuit Board Connector Wiring Diagram 20 1 1 Indoor Unit 20 1 2 Outdoor Unit 22 ...

Страница 31: ...S42 Connector for swing motor 7 S46 Connector for display PCB 8 S48 Connector for sensor PCB 9 H1 H2 H3 Connector for terminal board 10 E1 Connector for earth 11 V1 V2 Varistor 12 JA Address setting jumper Refer to page 258 for detail JB Fan speed setting when compressor stops for thermostat OFF JC Power failure recovery function Refer to page 261 for detail 13 FU1 F1U Fuse 3 15A 250V 14 LED A LED...

Страница 32: ...Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Sensor PCB PCB 2 Control PCB PCB 3 Service PCB PCB 4 Display PCB S49 RTH2 3P191450 1 S1 LED A S21 S41 S42 S26 S46 S48 S32 JC JA JB V1 V2 H1 FU1 2P191446 1 H2 H3 E1 S27 SW4 SW2 4 3P191448 1 S47 SW1 LED2 LED1 3P191447 1 ...

Страница 33: ... 1 S10 Connector for filter PCB 2 S20 Connector for electronic expansion valve coil 3 S30 Connector for compressor 4 S40 Connector for overload protector 5 S70 Connector for fan motor 6 S80 Connector for four way valve coil 7 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 8 HC3 HC4 HL3 HN3 Connector for filter PCB 9 HR2 Connector for reactor 10 FU1 FU2 Fuse...

Страница 34: ...m SiBE06 708_A 23 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Filter PCB PCB 2 Main PCB HC2 V3 V2 FU3 3P143310 1 E HL1 HN1 S HR1 HN2 HC1 S11 HL2 2P143284 6 S90 LED A S40 S10 S30 HC3 HN3 S20 S80 V1 FU1 HL3 HC4 HR2 FU2 J8 J5 S70 ...

Страница 35: ... Connector for filter PCB 2 S20 Connector for electronic expansion valve coil 3 S30 Connector for compressor 4 S40 Connector for overload protector 5 S50 Connector for magnetic relay 6 S70 Connector for fan motor 7 S80 Connector for four way valve coil 8 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 9 HL3 HN3 Connector for filter PCB 10 HR2 Connector for r...

Страница 36: ...iBE06 708_A 25 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Filter PCB PCB 2 Main PCB E1 E2 V2 FU3 HL1HN1 S S50 on main PCB HL2 S11 HN2 HR1 3P203203 1 V3 S10 S20 2P203198 1 J5 J8 S90 S50 S40 S70 LED A FU2 V1 S80 HL3 HR2 HN3 S30 FU1 ...

Страница 37: ...lectronic expansion valve coil 3 S40 Connector for overload protector 4 S50 Connector for magnetic relay 5 S70 Connector for fan motor 6 S80 Connector for four way valve coil 7 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 8 S100 Connector for forced operation button PCB 9 HL3 HN3 Connector for filter PCB 10 HR2 Connector for reactor 11 U V W Connector for...

Страница 38: ...Board Connector Wiring Diagram PCB Detail PCB 1 Filter PCB PCB 2 Main PCB PCB 3 Forced Operation Button PCB HR1 HL2 S50 on main PCB 3P254234 1 FU1 HN2 S FU3 AC2 E1 E2 AC1 S11 V3 V2 S10 J5 J4 S90 FU2 S100 S50 2P254206 1 S70 S40 S20 S80 HL3 HN3 V1 LED A U VW HR2 SW1 S110 3P255755 1 ...

Страница 39: ...r for fan motor 6 S80 Connector for four way valve coil 7 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 8 AC1 AC2 Connector for terminal board power supply 9 E1 E2 Connector for earth 10 HR1 HR2 Connector for reactor 11 U V W Connector for compressor 12 FU1 Fuse 30 A 250 V 13 FU2 FU3 Fuse 3 15 A 250 V 14 V2 V3 V5 V6 V11 Varistor 1 S52 S102 Connector for ma...

Страница 40: ...8_A 29 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Main PCB PCB 2 Service Monitor PCB V3 V11 AC1 FU2 E1 E2 HR1 HR2 FU3 W 2P169046 1 2P169046 5 S40 S20 V U S70 S90 S51 S10 AC2 S101 V5 S80 V6 V2 FU1 S102 SW1 3P169059 1 LED A SW4 B SW4 C S52 ...

Страница 41: ... POWERFUL Operation 40 1 11 Other Functions 41 2 Function of Thermistor 42 3 Control Specification 43 3 1 Mode Hierarchy 43 3 2 Frequency Control 44 3 3 Controls at Mode Changing Start up 46 3 4 Discharge Pipe Temperature Control 48 3 5 Input Current Control 49 3 6 Freeze up Protection Control 50 3 7 Heating Peak cut Control 50 3 8 Outdoor Fan Control 51 3 9 Liquid Compression Protection Function ...

Страница 42: ...ation The target frequency is set by the following 2 parameters coming from the operating indoor unit The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperature Additional Control Parameters The target frequency is adapted by additional parameters in the following cases Frequency restrictions Initial settings Forced cooling ope...

Страница 43: ...ce the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following functions regulate the minimum and maximum frequency Forced Cooling Operation Refer to Forced operation mode on page 57 for detail Refrigerant circulation rate high high f low f freq variable Refrigerant circulation rate low high speed low speed R2812 A...

Страница 44: ... of airflow that guarantees a comfortable air distribution Auto Swing The following table explains the auto swing process for cooling dry and heating right and left manual upper air outlet lower air outlet R6827 45 45 R6828 45 45 up and down cooling dry heating upward airflow limit OFF R6831 R6829 upward airflow limit ON R6832 R6830 2 5 9 0 4 0 9 0 2 0 9 0 9 0 2 0 ...

Страница 45: ...ed operation the step SL is not available The airflow rate is automatically controlled within this range when the FAN setting button is set to automatic Cooling The following drawing explains the principle of fan speed control for cooling Heating On heating mode the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermistor temperature ...

Страница 46: ...emperature 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 Room thermistor temperature at start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24ºC or more Room thermistor temperature at start up X 2 5ºC X 0 5ºC or ...

Страница 47: ...orrection value 1 The set temperature Ts determines the target temperature Tt Ts 18 30 C 2 The target temperature Tt is calculated as Tt Ts C where C is the correction value C 0 C 3 Thermostat ON OFF point and mode switching point are as follows Tr means the room thermistor temperature Heating Cooling switching point Tr Tt 2 5 C Cooling Heating switching point Tr Tt 2 5 C Thermostat ON OFF point i...

Страница 48: ...ing in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Heating Refer to Temperature Control on page 31 for detail B A OFF ON C Room thermistor temperature target temperature 1 5 C R12319 Cooling ...

Страница 49: ... 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 Cooling Heating R10870 TIMER operation NIGHT SET Mode ON Target temperature 0 5 C temperature shift Operation stops at the set...

Страница 50: ...O button When this function is activated the maximum capacity also decreases The remote controller can send the ECONO command when the unit is in COOL HEAT DRY or AUTO operation This function can only be set when the unit is running Pressing the ON OFF button on the remote controller cancels the function This function and POWERFUL operation cannot be used at the same time The latest command has th...

Страница 51: ...minutes Ex POWERFUL operation in cooling mode Operation mode Fan speed Target temperature COOL H tap 40 rpm 18 C DRY Dry rotating speed 40 rpm Lowered by 2 5 C HEAT H tap 40 rpm 32 C FAN H tap 40 rpm AUTO Same as cooling heating in POWERFUL operation The target temperature is kept unchanged R11576 Target temp Fan 40 rpm 18 C H tap Set tap 20 minutes Ending condition or in 1 to 3 1 After the lapse ...

Страница 52: ...onds while the unit is not operating Refer to Forced operation mode on page 57 for detail Note When the ON OFF button is pressed for 10 seconds or more the forced operation is stopped 1 11 4 Titanium Apatite Photocatalytic Air Purifying Filter This filter combines the Air Purifying Filter and Titanium Apatite Photocatalytic Deodorizing Filter as a single highly effective filter The filter traps mi...

Страница 53: ...place of the inner temperature of the compressor rises abnormally the operating frequency becomes lower or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge pipe thermistor C Indoor Heat Exchanger Thermistor 1 The indoor heat exchanger thermistor is used for controlling target discharge pipe temperature The system sets the target discharge pip...

Страница 54: ...g include defrosting Note Unless specified otherwise an indoor dry operation command is regarded as cooling operation Air conditioner control mode Forced operating mode Forced cooling for Pump Down Operation Normal operating mode Cooling Stop mode except for cooling modes by indoor command Preheating operation During C capacitor is discharging Stop R2830 Air conditioner control mode Forced operati...

Страница 55: ...functions Compressor protection input current discharge pipe temperature freeze up protection 3 Determine lower limit frequency The maximum value is set as an lower limit frequency among the frequency lower limits of the following function Pressure difference upkeep 4 Determine prohibited frequency There is a certain prohibited frequency such as a power supply frequency For Heat Pump Model 1 Deter...

Страница 56: ...volume airflow rate and other factors PI Control Determine Frequency Up Down by D Signal 1 P control The 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 2 I control If the operating frequency does not change for more than a certain fixed time the frequency is adjusted according to the D val...

Страница 57: ...ration in open phase stops RK X S25 35G2V1B9 Outdoor temperature 7 C Control A Outdoor temperature 7 C Control B Control A ON condition Discharge pipe temperature 10 C OFF condition Discharge pipe temperature 12 C Radiation fin temperature 90 C Control B ON condition Discharge pipe temperature 20 C OFF condition Discharge pipe temperature 22 C Radiation fin temperature 90 C RK X S50F2V1B RK X S50G...

Страница 58: ... 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 heatin...

Страница 59: ...mperature from going up further Detail Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Drooping zone The timer starts and the frequency is drooping Keep zone The upper limit of frequency is kept Up zone The upper limit of frequency is increased Reset zone The upper limit of frequency is canceled 25 35 class 50 class ºC 110 110 ºC 105 103 ºC 101 101 5 ºC 99 10...

Страница 60: ...til it reaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current drooping and stop value according to the outdoor temperature The current droops when outdoor temperature becomes higher than a certain level depending on the model RK X S25F2V1B RK X S25G2V1B RK X S25G2V1B9 Cooling Heating Cooling Heating Cooling Heating ...

Страница 61: ...erature determines the frequency upper limit to prevent abnormal high pressure Detail R4561 Return from stop Reset zone Up zone Keep zone Drooping zone Stop zone 0 C 3 C 5 C 7 C 13 C Indoor heat exchanger thermistor temperature Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Drooping zone The timer starts and the frequency is drooping Keep zone The upper limi...

Страница 62: ...on speed of the outdoor fan is reduced by the command of the indoor outdoor quiet operation 7 Fan control for POWERFUL operation The rotation speed of the outdoor fan is increased while the POWERFUL operation 8 Fan speed control for pressure difference upkeep The rotation speed of the outdoor fan is controlled for keeping the pressure difference while cooling with low outdoor temperature When the ...

Страница 63: ...6 minutes More than minutes of accumulated time pass since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgment is made with outdoor heat exchanger temperature C RK X S25 35F2V1B RK X S25 35G2V1B RK X S25 35G2V1B9 RK X S50F2V1B RK X S50G2V1B minutes 28 28 44 Hz 76 76 55 Hz 86 86 90 seconds 50 50 60 seconds 60 60 120 seconds 600 600 460 seconds ...

Страница 64: ...ansion valve control when the discharge pipe thermistor is disconnected Feedback Control 1 Discharge pipe temperature control Detail The followings are the examples of control which function in each mode by the electronic expansion valve control R2833 Control when frequency changed Control for abnormally high discharge pipe temperature Operation pattern function not function When power is turned O...

Страница 65: ...erating if the discharge pipe temperature exceeds a certain value the electronic expansion valve opens and the refrigerant runs to the low pressure side This procedure lowers the discharge pipe temperature 3 11 6 Disconnection of the Discharge Pipe Thermistor Outline The disconnection of the discharge pipe thermistor is detected by comparing the discharge pipe temperature with the condensation tem...

Страница 66: ...a specified value in a certain time period the target discharge pipe temperature control is canceled and the target opening of the electronic expansion valve is changed according to the shift 3 11 8 Target Discharge Pipe Temperature Control The target discharge pipe temperature is obtained from the indoor and outdoor heat exchanger temperature and the electronic expansion valve opening is adjusted...

Страница 67: ...wer consumption If the power consumption is below the specified value and the frequency is higher than the specified frequency it is regarded as refrigerant shortage The power consumption is small comparing with that in the normal operation when refrigerant is insufficient and refrigerant shortage is detected by checking a power consumption II Detecting by discharge pipe temperature If the dischar...

Страница 68: ...The forced operation is allowed when the above both conditions are met Start The forced operation starts when any of the following conditions is fulfilled 1 Press the forced operation ON OFF button SW1 on the indoor unit for 5 seconds 2 Press the forced operation ON OFF button SW1 on the outdoor unit RK X S25 35G2V1B9 models only Command frequency RK X S25 35F2V1B RK X S25 35G2V1B 68 Hz RK X S25 3...

Страница 69: ...guration 59 2 Operation Manual 60 2 1 Names of Parts 60 2 2 AUTO DRY COOL HEAT FAN Operation 63 2 3 Adjusting the Airflow Direction 65 2 4 POWERFUL Operation 67 2 5 OUTDOOR UNIT QUIET Operation 68 2 6 ECONO Operation 69 2 7 TIMER Operation 70 2 8 WEEKLY TIMER Operation 72 ...

Страница 70: ...ver method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing ove...

Страница 71: ...ng blows air from upper outlet only Opening the Front Panel This setting automatically decides a blow pattern depending on mode and conditions This setting is recommended The unit is shipped from the factory with this setting Before opening the front panel be sure to stop the operation and turn the breaker OFF Do not touch the metal parts on the inside of the indoor unit as it may result in injury...

Страница 72: ...FF switch Push this switch once to start operation The operation mode refers to the following table Model COOLING ONLY HEAT PUMP Mode COOL AUTO Temperature setting Airflow rate AUTO AUTO This switch is useful when the remote controller is missing Signal receiver It receives signals from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Setti...

Страница 73: ... QUIET button OUTDOOR UNIT QUIET operation page 15 9 ECONO button ECONO operation page 16 10 SWING button Adjusting the Airflow Direction page 12 11 WEEKLY TIMER operation page 19 12 SELECT button 13 OFF TIMER button page 17 14 ON TIMER button page 18 15 TIMER CANCEL button It cancels the timer setting page 17 18 It cannot be used for the WEEKLY TIMER operation 16 CLOCK button 1 5 6 2 3 4 ARC452A1...

Страница 74: ... the next time on the air conditioner will operate with the same operation mode Press MODE selector button and select a operation mode Each pressing of the button advances the mode setting in sequence AUTO DRY COOL HEAT FAN Cooling only model Heat pump model The OPERATION lamp lights up Then OPERATION lamp goes off Press TEMPERATURE adjustment button DRY or FAN mode The temperature setting is not ...

Страница 75: ...ost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit Note on COOL operation This air conditioner cools the room by blowing the hot air in the room outside so if the outside temperature is high the performance of the air conditioner drops...

Страница 76: ...The flap will stop moving disappears from the LCD To adjust the vertical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right side blades Notes on flap and louvers angle Unless SWING is selected you should set the flap at a near horizontal angle in HEAT mode and at a upward position in COOL or DRY mode to obtain the best performance ATTENTION When ad...

Страница 77: ...es not come into direct contact with people air is blown upper air outlet room tem perature is equalized Air is blown from the upper and lower air outlets for high speed cooling during COOL mode and for filling the room with warm air during HEAT mode So that air does not come into direct contact with people Air is blown upper air outlet During Dry mode so that cold air does not come into direct co...

Страница 78: ...n POWERFUL Operation cannot be used together with ECONO or QUIET Operation Priority is given to the function of whichever button is pressed last POWERFUL Operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LCD POWERFUL Operation will not increase the capacity of the air conditioner if the air condition...

Страница 79: ...n again disappears from the LCD NOTE Note on OUTDOOR UNIT QUIET operation This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY mode POWERFUL operation and OUTDOOR UNIT QUIET operation cannot be used at the same time Priority is given to the function of whichever button is pressed last If operation is stopped using the remote controller or the main unit ON OFF...

Страница 80: ...e From start up until set temperature is reached This diagram is a representation for illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO mode vary with the connecting outdoor unit NOTE ECONO Operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LC...

Страница 81: ...ases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER Operation Press CANCEL button The TIMER lamp goes off NOTE When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote control...

Страница 82: ...n increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly Press ON TIMER button again The TIMER lamp lights up To cancel ON TIMER operation Press CANCEL button The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below Present time 11 00 p m The unit operating OFF TIMER at 0 00 a m ON T...

Страница 83: ...ngs are made for the weekend Monday Make timer settings up to programs 1 4 see page 20 Program 1 Program 2 Program 3 Program 4 Tuesday to Friday Use the copy mode to make settings for Tuesday to Friday because these settings are the same as those for Monday see page 22 Program 1 Program 2 Program 3 Program 4 Saturday Sunday Make timer settings up to programs 1 4 see page 20 Program 1 Program 2 Pro...

Страница 84: ...made per day Press the SELECT button to select the desired day of the week and reservation number Pressing the SELECT button changes the reservation number and the day of the week The day of the week and reservation number will be set and blink Press SELECT button to select the desired mode Pressing the SELECT button changes or setting in sequence blank In case the reservation has already been set...

Страница 85: ... week Refer to Copy mode page 22 NOTE Notes on WEEKLY TIMER operation Do not forget to set the clock on the remote control first 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 Both WEEKLY TIMER and ON OFF TIMER operation cannot be used at the same time...

Страница 86: ...lected day of the week will be copied Press SELECT button to select the destination day of the week Press COPY button To continue copying the settings to other days of the week repeat STEP 4 and STEP 5 Press button to complete the setting is displayed on the LCD and WEEKLY TIMER operation is activated The reservation will be copied to the selected day of the week The whole reservation of the selec...

Страница 87: ...displayed on the LCD The will disappear from the LCD The TIMER lamp goes off To reactivate the WEEKLY TIMER operation press the WEEKLY button again If a reservation deactivated with WEEKLY button is activated once again the last reservation mode will be used To delete reservations The individual reservation Refer to Setting mode page 20 When selecting desired mode at STEP 4 in setting mode select ...

Страница 88: ... PCB Abnormality 92 4 9 OL Activation Compressor Overload 94 4 10 Compressor Lock 95 4 11 DC Fan Lock 96 4 12 Input Overcurrent Detection 97 4 13 Four Way Valve Abnormality 98 4 14 Discharge Pipe Temperature Control 100 4 15 High Pressure Control in Cooling 101 4 16 Compressor System Sensor Abnormality 103 4 17 Position Sensor Abnormality 105 4 18 DC Voltage Current Sensor Abnormality 25 35 Class ...

Страница 89: ...rotection device of the indoor or outdoor unit is activated or when the thermistor malfunctions 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Outdoor Unit The outdoor unit has one green LED LED A on the PCB When the LED A blinks the microcomputer works in order Operation lamp green R12...

Страница 90: ...eating operation cannot be used when the outdoor temperature is 20 C or higher and cooling operation cannot be used when the outdoor temperature is below 10 C Diagnose with remote controller indication 83 The unit operates but does not cool or does not heat Check for wiring and piping errors in the connection between the indoor and outdoor units Conduct the wiring piping error check described on t...

Страница 91: ...ence shown below 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 No Code No Code No Code 1 00 13 C7 25 UA 2 U4 14 A3 26 UH 3 L5 15 H8 27 P4 4 E6 16 H9 28 L3 5 H6 17 C9 29 L4 6 H0 18 C4 3...

Страница 92: ... beep or pi pi 3 Diagnose by the sound pi The figure of the ten s place does not accord with the error code pi pi The figure of the ten s place accords with the error code but the one s not beep The both figures of the ten s and one s place accord with the error code The figures indicated when you hear the beep sound are error code Refer to page 83 4 Press the MODE button The figure of the one s p...

Страница 93: ... both figures of the ten s and one s place accord with the error code 7 Determine the error code The figures indicated when you hear the beep sound are error code Error codes and description Refer to page 83 8 Press the MODE button to exit from the diagnosis mode The display means the trial operation mode Refer to page 256 for trial operation 9 Press the ON OFF button twice to return to the normal...

Страница 94: ...mality 89 Outdoor Unit E1 Outdoor unit PCB abnormality 92 E5 OL activation compressor overload 94 E6 Compressor lock 95 E7 DC fan lock 96 E8 Input overcurrent detection 97 EA Four way valve abnormality 98 F3 Discharge pipe temperature control 100 F6 High pressure control in cooling 101 H0 Compressor system sensor abnormality 103 H6 Position sensor abnormality 105 H8 DC voltage current sensor abnor...

Страница 95: ...on of connector Troubleshooting Note Check the following connector Check the combination of the indoor and outdoor unit OK Check the connection of connectors See Note Correct the connection OK Error repeats YES NO NO YES NO YES R11704 Caution To secure the connection once disconnect the connector and then reconnect it Match the compatible models Replace the indoor unit PCB 1 Replace the indoor uni...

Страница 96: ...ring heating operation the temperature detected by the indoor heat exchanger thermistor is used for the heating peak cut control operation halt outdoor fan stop etc Malfunction Decision Conditions Freeze up protection control During cooling operation the indoor heat exchanger temperature is below 0 C Heating peak cut control During heating operation the indoor heat exchanger temperature is above 6...

Страница 97: ...ean the air filter Clean the indoor heat exchanger Replace the indoor unit PCB Replace the thermistor Does it conform to the thermistor characteristic chart Check the air filter Check the dust accumulation on the indoor heat exchanger Is there any short circuit Is it very dirty Is it very dirty Check the air passage Be sure to turn off the power switch before connecting or disconnecting connectors...

Страница 98: ...n is used to determine abnormal fan motor operation Malfunction Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor rotation speed Supposed Causes Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective capacitor of the fan moto...

Страница 99: ...e fan rotate smoothly Does the fan rotate Is the motor power supply voltage 310 340 VDC generated Is the motor control voltage 15 VDC generated Turn off the power supply and rotate the fan by hand Turn the power on and start operation Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Check No 01 Check the output of the fan motor connector R1...

Страница 100: ...ompressor operation Supposed Causes Disconnection of connector Defective thermistor Defective indoor unit PCB Troubleshooting Check No 06 Refer to P 129 C4 Indoor heat exchanger thermistor C9 Room temperature thermistor YES R7134 NO Check No 06 Check the thermistor resistance value YES NO Caution Correct the connection Replace the thermistor Replace the indoor unit PCB Is it normal Is it normal Ch...

Страница 101: ...upply waveform Check the voltage of the connection wires on the indoor terminal board between No 1 and No 3 and between No 2 and No 3 YES YES Replace the indoor unit PCB Locate the cause of the disturbance of the power supply waveform and correct it NO R12160 NO YES YES NO NO Caution Correct the indoor unit outdoor unit connection wires Diagnose the outdoor unit PCB Before you check the LED A canc...

Страница 102: ...wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R11707 Caution NO YES YES YES NO NO Check the code numbers 2P01234 for example of the indoor and outdoor unit PCB with the Parts List Match the compatible models Change for the correct PCB Replace the indoor unit PCB or the outdoor unit PCB OK Matched co...

Страница 103: ...ness between PCBs Noise Momentary fall of voltage Momentary power failure etc Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged NO YES YES R12161 YES NO NO Replace the outdoor unit PCB Ground the system Zero cross signal abnormality Replace the outdoor unit PCB 1 Replace the harness Check to see if the outdoor unit is...

Страница 104: ...er Supposed Causes Defective outdoor unit PCB Noise Momentary fall of voltage Momentary power failure Troubleshooting R7183 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged YES NO NO YES Turn on the power again Check to see if the unit is grounded Replace the outdoor unit PCB Ground the system The cause can be external factors other...

Страница 105: ...ctive stop valve Troubleshooting Check No 04 Refer to P 127 Check No 05 Refer to P 128 Check No 06 Refer to P 129 Check No 11 Refer to P 131 R11999 Caution YES NG Discharge pipe thermistor NO OK OK NG Refrigerant shortage Water mixed Stop valve NG OK NG OK Insert the thermistor in position Replace the discharge pipe thermistor Replace the electronic expansion valve or the coil Refer to the refrige...

Страница 106: ... for about 5 minutes without any other error Supposed Causes Compressor locked Compressor harness disconnected Troubleshooting Turn off the power Disconnect the harnesses U V and W R8399 Caution NO YES YES NO NO YES Check with the inverter checker Turn off the power and reconnect the harnesses Turn on the power again and restart the system Precaution before turning on the power again Make sure the...

Страница 107: ...ther error Supposed Causes Disconnection of the fan motor Foreign matters stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 15 Refer to P 133 R11708 Caution YES YES NO YES NO NO YES NO Turn on the power Rotate the fan Check No 15 Check the rotation pulse input on the outdoor unit PCB Turn off the power and reconnect the connector Remove them Replace the outdo...

Страница 108: ...he power switch before connecting or disconnecting connectors or parts may be damaged An input overcurrent may result from wrong internal wiring If the wires have been disconnected and reconnected for part replacement for example and the system is interrupted by an input overcurrent take the following procedure R11709 NO YES YES NO Start operation and measure the input current Check No 08 Check th...

Страница 109: ...nditions A following condition continues over 1 10 minutes depending on the model after operating for 5 10 minutes depending on the model Cooling Dry room thermistor temp indoor heat exchanger temp 5 C Heating indoor heat exchanger temp room thermistor temp 5 C If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes D...

Страница 110: ... way valve defective or dust clogged Reconnect in position Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R11710 Four way valve coil disconnected loose Harness out of connector Any thermistor disconnected Check No 06 Check the thermistors Check No 11 Check the refrigerant line Check No 05 Check the four way valve switching output ...

Страница 111: ... Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 04 Refer to P 127 Check No 06 Refer to P 129 Check No 11 Refer to P 131 Stop temperatures C C 1 above 45 Hz rising above 40 Hz dropping 110 97 2 30 45 Hz rising 25 40 Hz dropping 105 92 3 below 30 Hz rising below 25 Hz dropping 99 86 C C 110 95 R7141 Ca...

Страница 112: ...it Malfunction Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rises above C The error is cleared when the temperature drops below C Supposed Causes The installation space is not large enough Dirty outdoor heat exchanger Defective outdoor fan motor Defective stop valve Defective electronic expansion valve or coil Defective outdoor heat exchanger thermistor Defec...

Страница 113: ...e outdoor unit PCB Replace the electronic expansion valve or the coil Replace the outdoor unit PCB Clean the outdoor heat exchanger Change the installation location or direction Check the installation space NG OK OK NG NG OK OK OK NG NG Check No 09 Check the outdoor fan Check No 08 Check the discharge pressure Check No 04 Check the electronic expansion valve Check No 06 Check the outdoor heat exch...

Страница 114: ...r output converted to voltage value The DC voltage before compressor start up is below 50 V Supposed Causes Broken or disconnection of harness Defective outdoor unit PCB Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged NO R11712 YES Turn off the power and turn it on again YES NO Replace the harness No problem Keep on...

Страница 115: ...NO YES Connect it properly NO YES Replace the reactor NO YES Replace the compressor or the compressor relay harness Restart the operation again and if the error occurs again replace the outdoor unit PCB NO YES Disconnect the reactor from the outdoor unit PCB and measure the resistance value between reactor terminals with tester Disconnect the compressor relay harness from the outdoor unit PCB and ...

Страница 116: ...ing condition through the position detection circuit Malfunction Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes 50 class 5 minutes without any other error Supposed Causes Disconnection of the compressor relay cable Defective compressor Defective outdoor unit PCB Start up failure caused by the closed stop valve Input voltage is o...

Страница 117: ...0 NO NO NO YES YES NO YES YES Check No 29 Check the short circuit of the diode bridge Check with the inverter checker Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor harnesses connected as specified Replace the outdoor unit PCB Replace the compressor Correct the power supply or replace the outdoor ...

Страница 118: ...rect the power supply Voltage as rated R11471 NO NO YES NO YES YES Check with the inverter checker Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor harnesses connected as specified Replace the outdoor unit PCB Replace the compressor Correct the power supply or replace the outdoor unit PCB Reconnect ...

Страница 119: ...running frequency and the input current Malfunction Decision Conditions The compressor running frequency is above 52 Hz If the error repeats 4 times the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Defective outdoor unit PCB Troubleshooting Replace the outdoor unit PCB Caution Be sure to turn off the power switch before connecting ...

Страница 120: ...ning frequency and CT detected input current Malfunction Decision Conditions The compressor running frequency is more than 55 Hz and the CT input current is below 0 5 A If the error repeats 4 times the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Defective power module Breakage of wiring or disconnection Defective reactor Defective...

Страница 121: ... and restart operation Current guideline Compressor running 320 50 VDC Any LED OFF Running current as shown at right with relay cable 1 or 2 Voltage within the allowable range Supply voltage 15 Replace the outdoor unit PCB Replace the outdoor unit PCB Replace the outdoor unit PCB Check the supply voltage Replace the compressor Capacitor charged when the indoor unit or outdoor unit main relay turns...

Страница 122: ...thermistor Malfunction Decision Conditions The thermistor input voltage is above 4 96 V or below 0 04 V with the power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature Supposed Causes Disconnection of the connector for the thermistor Defective thermistor Defective heat exchanger thermistor in the case of J3 error outdoor heat exchanger thermistor...

Страница 123: ... s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Radiation fin thermistor Cooling Outdoor heat exchanger temperature Heating Indoor heat exchanger temperature Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB Replace the indoor unit PCB Error displayed again on remote controller Indoor heat exchanger ...

Страница 124: ... off the radiation fin temperature is above C The error is cleared when the radiation fin temperature drops below C To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C and stops when it drops below C Supposed Causes Defective outdoor fan motor Short circuit Defective radiation fin thermistor Disconnection of connector Defective outdoor unit PCB...

Страница 125: ...ion fin temperature Check No 07 Check the installation condition WARNING To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C and stops when it drops below C Radiation fin dirty Above C Thermistor as specified in its characteristic chart Check No 06 Check the thermistor resistance value Check No 09 Check the outdoor fan or related Error again or...

Страница 126: ...O YES Turn off the power and turn it on again Check the radiation fin temperature Check No 07 Check the installation condition Radiation fin dirty Above C Check No 09 Check the outdoor fan or related Error again or outdoor fan activated Replace the outdoor unit PCB Replace the outdoor unit PCB Replace the fan motor Correct the connectors and fan motor lead wire Clean up the radiation fin Be sure t...

Страница 127: ...s above C The error is cleared when the radiation fin temperature drops below C If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Defective outdoor fan motor Short circuit Defective radiation fin thermistor Disconnection of connector Defective outdoor unit PCB Silicon grease is not applied properly on the radiat...

Страница 128: ... the radiation fin temperature Check No 07 Check the installation condition NO YES YES Radiation fin dirty Above C Thermistor as specified in its characteristic chart Check No 06 Check the thermistor resistance value Check No 09 Check the outdoor fan or related Error displayed again Has PCB been replaced Replace the fin thermistor Check if the silicon grease applied properly on the radiation fin I...

Страница 129: ... YES Above C Radiation fin dirty Check No 09 Check the outdoor unit fan or related Error displayed again Has PCB been replaced Check if the silicon grease applied properly on the radiation fin If not apply it See Note Check the power transistor and the radiation fin for looseness If they are found to be fit tightly replace the outdoor unit PCB or the power transistor Replace the outdoor unit PCB R...

Страница 130: ...while the compressor is running A speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circuit to the microcomputer If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes 50 class 5 minutes without any other error Supposed Causes Poor installation condition Closed stop valve Defective ...

Страница 131: ...ck No 07 Check the installation condition Check with the inverter checker Turn off the power and disconnect the harnesses U V and W Turn off the power and reconnect the harnesses Turn on the power again and start operation Turn off the power and turn it on again to start the system See if the same error occurs Check the supply voltage Keep on using as it is Check the connectors and other component...

Страница 132: ...re tends to rise Refrigerant shortage detection III Refrigerant shortage is detected by checking the difference between suction and discharge temperature Malfunction Decision Conditions Refrigerant shortage detection I The following conditions continue for 7 minutes 25 35 class Input current input voltage output frequency Output frequency 50 class Input current output frequency Output frequency Re...

Страница 133: ...uses Disconnection of the discharge pipe thermistor indoor or outdoor heat exchanger thermistor room or outdoor temperature thermistor Closed stop valve Refrigerant shortage refrigerant leakage Poor compression performance of compressor Defective electronic expansion valve C Cooling room thermistor temperature indoor heat exchanger temperature 4 0 outdoor heat exchanger temperature outdoor tempera...

Страница 134: ...e pipe flare or replace the union Check the power transistor harness for looseness Correct it as required Also replace the cracked pipe Check the pipes for improper contact Correct them as required Also replace the cracked pipe Replace the electronic expansion valve Replace the defective one s Completed Refrigerant shortage error again Oil oozing at internal piping Stop valve closed Compressor vib...

Страница 135: ...voltage detection The voltage detected by the DC voltage detection circuit is below 150 180 V depending on the model Over voltage detection An over voltage signal is fed from the over voltage detection circuit to the microcomputer The voltage is over 400 V If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes 50 class 5 minutes without any other error Sup...

Страница 136: ... before connecting or disconnecting connectors or parts may be damaged NO YES YES NO YES Precaution before turning on the power again NO Replace the fan motor or the outdoor unit PCB Check the supply voltage Rotate the fan by hand Disturbance factors Noise Power supply distortion Repeat a few times Make sure the power has been off for at least 30 seconds Turn on the power again System restarted Do...

Страница 137: ...when the data sent from the PM1 can not be received for 9 seconds The error counter is reset when the data from the PM1 can be successfully received Supposed Causes Defective outdoor unit PCB Troubleshooting R7185 Caution NO YES Turn off the power and turn it on again Error again Replace the outdoor unit PCB Observe the operating condition in long term The cause can be an external factor other tha...

Страница 138: ...wer 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 5 If the continuity is confirmed in the above st...

Страница 139: ... coil from the connector and check the continuity Start heating operation Four way valve coil Cooling Dry No continuity Heating Continuity Replace the outdoor unit PCB Replace the four way valve coil Replace the four way valve Four way valve coil resistance at 1000 2000 Ω S80 voltage at 220 240 VAC with compressor on Fig 1 R11904 Fig 1 Voltage at S80 220 240 VAC ON Compressor Time ...

Страница 140: ...shown in the table and the graph below For the models in which the thermistor is directly mounted on the PCB disconnect the connector for the PCB and measure Thermistor temperature C Resistance kΩ 20 211 0 15 150 0 10 116 5 5 88 0 0 67 2 5 51 9 10 40 0 15 31 8 20 25 0 25 20 0 30 16 0 35 13 0 40 10 6 45 8 7 50 7 2 R25 C 20 kΩ B 3950 K Tester Resistance range R11906 kΩ 150 100 50 15 0 15 30 45 C R11...

Страница 141: ...e outdoor heat exchanger very dirty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Change the installation location or direction Check the outdoor temperature The outdoor temperature should be 46 C or lower R11718 Not dirty YES YES Dirty NO NO NO YES Is the air filter or indoor outdoor heat exchanger dirty Is the connect...

Страница 142: ...orm disturbance near the zero cross sections circled in Fig 2 5 1 9 Inverter Units Refrigerant System Check Check No 11 R7159 YES YES NO NO Outdoor fan system is functioning Check the outdoor fan system Go to Check No 15 Outdoor fan running Fan motor lead wire connector disconnected Reconnect the connector Fig 1 Fig 2 Refrigerant system check Check for refrigerant leakage See the service diagnosis...

Страница 143: ...from the outdoor unit PCB To disengage the connector press the protrusion on the connector 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 OL lead wire Thermistor lead wire Fan motor lead wire Compressor lead wire Reactor lead wire Four way valve lead wire Elect...

Страница 144: ...hen the fan motor is rotated 1 turn by hand When the fuse is melted check the outdoor fan motor for proper function If NG in step 2 Defective PCB Replace the outdoor unit PCB If NG in step 4 Defective Hall IC Replace the outdoor fan motor If OK in both steps 2 and 4 Replace the outdoor unit PCB RK X S25 35G2V1B9 1 Check that the voltage between the pins 10 11 is 15 VDC 2 Check if the Hall IC gener...

Страница 145: ... the pins of the DB1 as below If the resistance is or less than 1 kΩ short circuit occurs on the main circuit RK X S25 35F2V1B models RK X S25 35G2V1B models terminal of the tester in case of digital terminal 2 3 4 2 3 1 terminal of the tester in case of digital terminal 4 2 3 1 2 3 Resistance in OK several kΩ several MΩ several kΩ several MΩ Resistance in NG 0 Ω or 0 0 0 Ω or R12412 1 2 3 4 Teste...

Страница 146: ...Check SiBE06 708_A 135 Service Diagnosis RK X S25 35G2V1B9 models R12035 Tester 1 2 3 4 ...

Страница 147: ...Outer Panels Fan Motor 177 3 2 Removal of Electrical Box 186 3 3 Removal of Thermistors 190 3 4 Removal of PCB 192 3 5 Removal of Reactor Partition Plate 195 3 6 Removal of Sound Blanket 197 3 7 Removal of Four Way Valve 198 3 8 Removal of Compressor 201 4 Outdoor Unit RK X S25 35G2V1B9 203 4 1 Removal of Outer Panels Fan Motor 203 4 2 Removal of Electrical Box 212 4 3 Removal of PCB 215 4 4 Remov...

Страница 148: ...o wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 External appearance 2 Remove the front panel R6768 Slide the right and the left hooks to the center 1 Unfasten the 2 hooks on the top of the front panel Operation lamp Timer lamp R6766 Indoor Unit ON OFF button Front panel R6767 ...

Страница 149: ...emoval Procedure 138 2 Open the front panel 3 Press the 2 hooks of the top of the air filter downward to unfasten the hooks 4 Pull the air filter up and remove it Step Procedure Points String R11496 Hook R11497 R11498 Air filter ...

Страница 150: ...remove the front panel 6 When installing the air filter catch the 2 hooks at the bottom When installing the front panel catch the 3 hooks of the front grille and hook the string to prevent the front panel from dropping 7 Remove the 4 screws from the front grille Step Procedure Points Hooks for the air filter Hooks for the front panel Front grille R6773 ...

Страница 151: ...SiBE06 708_A Indoor Unit Removal Procedure 140 8 Pull the front grille to your side to remove There are 3 hooks on the top of the main unit Step Procedure Points R6775 ...

Страница 152: ... all power supplies before disassembling work Step Procedure Points 1 2 Open the horizontal blade Release the center shaft 3 Bend the horizontal blade to release the right and the left shafts and remove the horizontal blade Release the left shaft first and then release the right shaft from the key alignment Horizontal blade R6778 Key alignment R6780 ...

Страница 153: ...rk Step Procedure Points 1 2 Remove the 2 earth screws Unfasten the hook and open the sensor PCB fixing plate 3 Remove the front shield plate 4 To detach the connection wires remove the 1 screw from the wiring fixture and remove the 4 screws from the terminal board Sensor PCB fixing plate Hook R6781 Earth screws Front shield plate R6782 Wiring fixture R6783 Terminal board Connection wires ...

Страница 154: ...S41 S42 S1 fan motor S41 lower air outlet motor S42 swing motor 6 Remove the screw of the electrical box 7 Pull out the electrical box 8 Pull out the indoor heat exchanger thermistor Step Procedure Points S42 S41 S1 R6784 R6785 Electrical box R6787 Indoor heat exchanger thermistor ...

Страница 155: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the shield plate 1 Unfasten the 8 hooks of the shield plate and remove it 2 Remove the sensor PCB 1 Unfasten the 2 hooks of the sensor PCB 2 Disconnect the connector S49 and remove the sensor PCB Hooks Hooks Hooks Shield plate R6788 Hooks Sensor PCB R6794 S49 R6789 ...

Страница 156: ...elease the left hook first 1 Unfasten the 2 hooks of the lamp cover 2 Unfasten the 2 hooks of the service PCB 3 Disconnect the connector S27 and remove the service PCB Step Procedure Points Hook Lamp cover R6790 R6791 Service PCB Display PCB Hooks Service PCB R6792 R6793 S27 ...

Страница 157: ... connector S47 and remove the display PCB 5 Remove the control PCB 1 Cut the clamp and pull out the all terminals from the terminal board 2 Disconnect the connectors S26 S46 S48 S26 service PCB S46 display PCB S48 sensor PCB Step Procedure Points Hooks R6796 Display PCB S47 R6797 Terminal Clamp R6798 S48 S26 S46 R6799 Control PCB ...

Страница 158: ...door Unit SiBE06 708_A 147 Removal Procedure 3 Remove the 2 screws 4 Remove the control PCB Refer to page 21 for detail Step Procedure Points Screw Screw R6800 Fuse 250V 3 15A S1 S41 S42 S26 S48 S46 R6802 ...

Страница 159: ...nts 1 Remove the vertical blade upper 1 Remove the 2 screws and remove the air outlet ASSY 2 The air outlet ASSY has the 2 vertical blades ASSYs 3 Unfasten the 2 hooks and the center hook to remove the vertical blades ASSY 4 Slide the protection net along the right and the left grooves and remove it Screw Screw Air outlet ASSY R6803 Vertical blades ASSY R6804 Center hook Hooks R6805 Groove Protect...

Страница 160: ...the swing motor 2 Remove the vertical blade lower Be careful not to wet the floor with drain 1 Remove the 2 screws 2 Remove the drain hose and release the harness of the lower air outlet motor from the hook Step Procedure Points Swing motor R6807 Shaft R6808 Hook Drain hose R6810 ...

Страница 161: ... remove the lower air outlet motor 5 Remove the damper 6 Remove the sealing material from the front of the vertical blades ASSY release the 2 hooks from the drain pan and remove the vertical blades ASSY Step Procedure Points R6811 Drain pan ASSY Motor cover Lower air outlet motor Damper R6813 Hooks R6814 Vertical blades ASSY ...

Страница 162: ...When removing or reassembling the heat exchanger be sure to wear gloves or wrap it with cloth before proceeding to the work You may be injured by the fins 1 Release the flared joint of the liquid pipe and the gas pipe using 2 wrenches 2 Remove the piping fixture 3 4 Unfasten the 2 hooks on the left side of the heat exchanger Unfasten the 2 hooks on the right side and remove the heat exchanger R114...

Страница 163: ... before disassembling work Step Procedure Points 1 Remove the fan rotor 1 Remove the 4 screws and remove the bellmouth 2 Remove the nut M6 to remove the fan rotor Wrench size 10mm 2 Remove the fan motor 1 Release the harness of the fan motor from the hook 2 Remove the 3 screws and remove the fan motor cover Bellmouth Nut Fan rotor R6821 Hook R6822 R11503 Fan motor cover ...

Страница 164: ...hooks toward the back side and remove the casing 1 Remove 3 screws and unfasten the 2 hooks to remove the upper casing 2 Remove 2 screws and unfasten the 2 hooks to remove the right casing or the left casing Press the 2 hooks toward the back side and remove the casing Step Procedure Points Hooks Fan motor R11504 Harness retainer Hooks R6825 Hooks Hooks R6826 ...

Страница 165: ... before disassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels The stop valve cover is united with the shield plate When reassembling make sure to fit the 5 hooks 1 Remove the screw of the stop valve cover Pull down the stop valve cover and remove it DAIKIN INVERTER R7186 R11890 Stop valve cover ...

Страница 166: ...crews and lift the top panel 3 Remove the drip proof plate 4 Remove the 4 screws and remove the discharge grille The discharge grille has 4 hooks Step Procedure Points DAIKIN INVERTER Top panel R7190 DAIKIN INVERTER R7191 Drip proof plate DAIKIN INVERTER R7192 Discharge grille R7193 ...

Страница 167: ...RK X S25 35F2V1B Removal Procedure 156 5 Remove the 8 screws of the front panel 6 Unfasten the hooks Pull and remove the front panel The front panel has 4 hooks Step Procedure Points DAIKIN INVERTER R7194 Front panel R7195 Hooks ...

Страница 168: ...The screw has reverse winding Nut size M6 1 Remove the washer fitted nut of the outdoor fan 2 Remove the outdoor fan When reassembling align mark of the outdoor fan with D cut section of the motor shaft 3 Cut the clamp Step Procedure Points R7196 Outdoor fan 10 mm R12236 D cut R7197 R7198 ...

Страница 169: ... fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 7 Remove the 4 screws and remove the fan motor Be sure to remove the lower screws first If the upper screws are removed first the fan motor the center of gravity of which is toward the front may tilt down or fall getting you injured Step Procedure Points S70 R7199 Fan motor lead wire R7200 R7201 R...

Страница 170: ... 35F2V1B SiBE06 708_A 159 Removal Procedure 8 Remove the screw and remove the fan motor fixing frame When reassembling fit the lower hooks into the bottom frame Step Procedure Points R7204 Fan motor fixing frame R7205 R7206 ...

Страница 171: ...al Procedure 160 4 Remove the right side panel 1 Remove the 2 screws on the rear side 2 Release the outdoor temperature thermistor 3 Lift up the guard net and remove it Step Procedure Points R7207 R7208 Outdoor temperature thermistor Guard net R7209 ...

Страница 172: ...Outdoor Unit RK X S25 35F2V1B SiBE06 708_A 161 Removal Procedure 4 Remove the 4 screws on the right side panel 5 Remove the screw near the stop valves Step Procedure Points R7210 Right side panel R7211 ...

Страница 173: ...5F2V1B Removal Procedure 162 6 Unfasten the hook on the rear side When reassembling make sure to fit the hook 7 Lift up the right side panel and remove it When reassembling make sure to fit the hook Step Procedure Points R7212 R7213 Hook ...

Страница 174: ...sembling work Step Procedure Points 1 Remove the electrical box Preparation Remove the panels and disconnect the connector for the fan motor according to Removal of Outer Panels Fan Motor 1 Disconnect the 2 connectors for the reactor 2 Cut the clamp 3 Disconnect the connector for the compressor S30 When reassembling coil the excessive lead wire and hang the loop on the hook R7214 R7215 R7216 S30 ...

Страница 175: ...Procedure 164 4 Disconnect the connector for the overload protector S40 5 Disconnect the connector for the electronic expansion valve coil S20 6 Disconnect the connector for the four way valve coil S80 Step Procedure Points R7217 S40 R7218 S20 R7219 S80 ...

Страница 176: ... thermistor Be careful not to lose the clip for the thermistor 8 Cut the clamp 9 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor Step Procedure Points R0267 Discharge pipe thermistor R12279 Clip R7221 R7222 Outdoor heat exchanger thermistor Clip ...

Страница 177: ...SiBE06 708_A Outdoor Unit RK X S25 35F2V1B Removal Procedure 166 10 Lift and remove the electrical box Step Procedure Points R7223 Electrical Box ...

Страница 178: ...urning off all power supplies before disassembling work Step Procedure Points 1 Feature of the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box 2 Remove the screw on the terminal board 3 Release the 2 earth terminals R7255 R7256 Terminal board R7257 Earth terminal ...

Страница 179: ...nfasten the 3 hooks on the upper side Lift and pull out the main PCB Refer to page 23 for detail S20 electronic expansion valve coil S30 compressor S40 overload protector S70 fan motor S80 four way valve coil S90 thermistors Step Procedure Points R7258 Screw R7259 R7260 S80 S20 S90 S30 S40 S70 ...

Страница 180: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the reactor Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 1 Remove the screw and remove the reactor 2 Remove the partition plate 1 Remove the 2 screws R7224 Reactor R7225 R7226 Partition plate ...

Страница 181: ... X S25 35F2V1B Removal Procedure 170 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points R7227 R7228 Hook ...

Страница 182: ...d blanket top Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box Since the piping ports are torn easily remove the sound blanket carefully 2 Untie the string and open the sound blanket outer 3 Lift and remove the sound blanket outer 4 Pull the sound blanket inner out R7231 Sound blanket top R72...

Страница 183: ...wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Pull out the electronic expansion valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor R7233 Electronic expansion valve coil R7234 Terminal cover V W U R7235 Red U Yellow V Blue W ...

Страница 184: ...xidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cu...

Страница 185: ...cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Step Procedure Points R7250 ...

Страница 186: ...l environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with ...

Страница 187: ...t comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to burn the compressor terminals the name plate the heat exchanger fin 4 Lift the compressor up and remove it Step Procedure Points R12032 Suction side R...

Страница 188: ... before disassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels The stop valve cover is united with the shield plate When reassembling make sure to fit the 5 hooks 1 Remove the screw of the stop valve cover Pull down the stop valve cover and remove it DAIKIN INVERTER R7186 R11890 Stop valve cover ...

Страница 189: ...crews and lift the top panel 3 Remove the drip proof plate 4 Remove the 4 screws and remove the discharge grille The discharge grille has 4 hooks Step Procedure Points DAIKIN INVERTER Top panel R7190 DAIKIN INVERTER R7191 Drip proof plate DAIKIN INVERTER R7192 Discharge grille R7193 ...

Страница 190: ...V1B SiBE06 708_A 179 Removal Procedure 5 Remove the 8 screws of the front panel 6 Unfasten the hooks Pull and remove the front panel The front panel has 4 hooks Step Procedure Points DAIKIN INVERTER R7194 Front panel R7195 Hooks ...

Страница 191: ...The screw has reverse winding Nut size M6 1 Remove the washer fitted nut of the outdoor fan 2 Remove the outdoor fan When reassembling align mark of the outdoor fan with D cut section of the motor shaft 3 Cut the clamp Step Procedure Points R7196 Outdoor fan 10 mm R12236 D cut R7197 R7198 ...

Страница 192: ... fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 7 Remove the 4 screws and remove the fan motor Be sure to remove the lower screws first If the upper screws are removed first the fan motor the center of gravity of which is toward the front may tilt down or fall getting you injured Step Procedure Points R9332 S70 Fan motor lead wire R7200 R7201 R...

Страница 193: ...Unit RK X S25 35G2V1B Removal Procedure 182 8 Remove the screw and remove the fan motor fixing frame When reassembling fit the lower hooks into the bottom frame Step Procedure Points R7204 Fan motor fixing frame R7205 R7206 ...

Страница 194: ...emoval Procedure 4 Remove the right side panel 1 Remove the 2 screws on the rear side 2 Release the outdoor temperature thermistor 3 Lift up the guard net and remove it Step Procedure Points R7207 R7208 Outdoor temperature thermistor Guard net R7209 ...

Страница 195: ...SiBE06 708_A Outdoor Unit RK X S25 35G2V1B Removal Procedure 184 4 Remove the 4 screws on the right side panel 5 Remove the screw near the stop valves Step Procedure Points R7210 Right side panel R7211 ...

Страница 196: ... 708_A 185 Removal Procedure 6 Unfasten the hook on the rear side When reassembling make sure to fit the hook 7 Lift up the right side panel and remove it When reassembling make sure to fit the hook Step Procedure Points R7212 R7213 Hook ...

Страница 197: ... disassembling work Step Procedure Points 1 Disconnect the 2 connectors for the reactor Preparation Remove the panels and disconnect the connector for the fan motor according to the Removal of Outer Panels Fan Motor 2 Cut the clamps at 2 locations 3 Disconnect the connector for the compressor S30 When reassembling coil the excessive lead wire and hang the loop on the hook R9338 R9339 R9340 S30 ...

Страница 198: ...agnetic relay S50 and for the thermistors S90 5 Disconnect the connectors for the filter PCB S10 and for the overload protector S40 6 Disconnect the connectors for the electronic expansion valve coil S20 and for the four way valve coil S80 Step Procedure Points R9341 S90 S50 R9342 S40 S10 R9343 S80 S20 ...

Страница 199: ... 35G2V1B Removal Procedure 188 7 Disconnect the connectors for the filter PCB HL3 HN3 8 Remove the wire harness for standby electricity saving 9 Cut the clamps at 2 locations Step Procedure Points R9344 HN3 HL3 R9345 Wire harness R9346 ...

Страница 200: ...Outdoor Unit RK X S25 35G2V1B SiBE06 708_A 189 Removal Procedure 10 Lift and remove the electrical box Step Procedure Points R9348 Electrical box ...

Страница 201: ...l power supplies before disassembling work Step Procedure Points 1 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 2 Cut the clamp 3 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor R0267 Discharge pipe thermistor R12279 Clip R7221 R7222 Outdoor heat exchanger thermistor Clip ...

Страница 202: ...Outdoor Unit RK X S25 35G2V1B SiBE06 708_A 191 Removal Procedure 4 Feature of the thermistors Step Procedure Points R9356 ...

Страница 203: ...all power supplies before disassembling work Step Procedure Points 1 Remove the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box 1 Feature of the main PCB 2 Remove the screw on the terminal board 3 Release the 2 earth terminals R9357 R7256 Terminal board R9358 Earth terminals ...

Страница 204: ...door Unit RK X S25 35G2V1B SiBE06 708_A 193 Removal Procedure 4 Remove the 4 screws 5 Unfasten the 3 hooks on the upper side 6 Lift and pull out the main PCB Step Procedure Points R9359 Screws R9360 R9361 ...

Страница 205: ...the main PCB Refer to page 25 for detail S10 HL3 HN3 filter PCB S20 electronic expansion valve coil S30 compressor S40 overload protector S50 magnetic relay S70 fan motor S80 four way valve coil S90 thermistors Step Procedure Points R12189 S10 S40 S90 S50 S70 S20 S80 HL3 HN3 S30 ...

Страница 206: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the reactor Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 1 Remove the screw and remove the reactor 2 Remove the partition plate 1 Remove the 2 screws R7224 Reactor R7225 R7226 Partition plate ...

Страница 207: ... X S25 35G2V1B Removal Procedure 196 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points R7227 R7228 Hook ...

Страница 208: ... blanket top Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box Since the piping ports are torn easily remove the sound blanket carefully 2 Untie the string and open the sound blanket outer 3 Lift and remove the sound blanket outer 4 Pull the sound blanket inner out R7231 Sound blanket top R722...

Страница 209: ...wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Pull out the electronic expansion valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor R7233 Electronic expansion valve coil R7234 Terminal cover V W U R7235 Red U Yellow V Blue W ...

Страница 210: ...xidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cu...

Страница 211: ...cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Step Procedure Points R7250 ...

Страница 212: ...l environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with ...

Страница 213: ...t comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to burn the compressor terminals the name plate the heat exchanger fin 4 Lift the compressor up and remove it Step Procedure Points R12032 Suction side R...

Страница 214: ...before disassembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels The stop valve cover is united with the shield plate When reassembling make sure to fit the 5 hooks 1 Remove the screw of the stop valve cover Pull down the stop valve cover and remove it DAIKIN INVERTER R7186 R11890 Stop valve cover R...

Страница 215: ...crews and lift the top panel 3 Remove the drip proof plate 4 Remove the 4 screws and remove the discharge grille The discharge grille has 4 hooks Step Procedure Points DAIKIN INVERTER Top panel R7190 DAIKIN INVERTER R7191 Drip proof plate DAIKIN INVERTER R7192 Discharge grille R7193 ...

Страница 216: ...B9 SiBE06 708_A 205 Removal Procedure 5 Remove the 8 screws of the front panel 6 Unfasten the hooks Pull and remove the front panel The front panel has 4 hooks Step Procedure Points DAIKIN INVERTER R11825 Front panel R11826 Hooks ...

Страница 217: ...ut size M6 1 Remove the washer fitted nut of the outdoor fan 2 Remove the outdoor fan When reassembling align mark of the outdoor fan with D cut section of the motor shaft 3 Release the outdoor temperature thermistor Step Procedure Points R11827 Outdoor fan 10 mm R12236 R11828 D cut R11829 Outdoor temperature thermistor ...

Страница 218: ...35G2V1B9 SiBE06 708_A 207 Removal Procedure 4 Cut the clamp 5 Disconnect the connector for the fan motor S70 6 Release the fan motor lead wire from the hook Step Procedure Points R11830 R11831 S70 R11832 Fan motor lead wire ...

Страница 219: ...it RK X S25 35G2V1B9 Removal Procedure 208 7 Remove the screw and remove the fan motor fixing frame When reassembling fit the lower hooks into the bottom frame Step Procedure Points R11833 Fan motor fixing frame R12314 R7206 ...

Страница 220: ...hen reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 9 Remove the 4 screws and remove the fan motor 4 Remove the right side panel 1 Remove the 2 screws on the rear side Step Procedure Points R11835 R3249 Lead wire Outdoor fan R12311 Fan motor R12162 ...

Страница 221: ...emoval Procedure 210 2 Remove the 4 screws on the right side panel 3 Remove the screw near the stop valves 4 Unfasten the hook on the rear side When reassembling make sure to fit the hook Step Procedure Points R12163 Right side panel R11839 R11842 ...

Страница 222: ... 35G2V1B9 SiBE06 708_A 211 Removal Procedure 5 Lift up the right side panel and remove it When reassembling make sure to fit the hook 6 Lift up the guard net and remove it Step Procedure Points R12272 Hook R11841 Guard net ...

Страница 223: ... supplies before disassembling work Step Procedure Points 1 Disconnect the connector for the overload protector S40 Preparation Remove the panels and disconnect the connector for the fan motor according to the Removal of Outer Panels Fan Motor 2 Disconnect the connector for the four way valve coil S80 3 Disconnect the 2 connectors for the reactor R11846 S40 R11848 S80 R11844 ...

Страница 224: ... for the compressor 5 Disconnect the connector for the electronic expansion valve coil S20 6 Cut the clamp 7 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor Step Procedure Points R11845 R11847 S20 R11850 R11851 Outdoor heat exchanger thermistor Clip ...

Страница 225: ...1B9 Removal Procedure 214 8 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 9 Lift and remove the electrical box Step Procedure Points Discharge pipe thermistor R11849 R12279 Clip R11852 Electrical Box ...

Страница 226: ...ll power supplies before disassembling work Step Procedure Points 1 Remove the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box 1 Feature of the main PCB 2 Remove the screw on the terminal board 3 Release the 2 earth terminals R11853 R11854 Terminal board R11855 Earth terminal ...

Страница 227: ...peration button PCB Disconnect the connector S110 to remove the forced operation button PCB Be careful of a sharp protrusion at the back of the forced operation button PCB 5 Disconnect the relay connector 6 Cut the clamp Step Procedure Points Forced operation button PCB R11856 R11857 R11858 ...

Страница 228: ...nit RK X S25 35G2V1B9 SiBE06 708_A 217 Removal Procedure 7 Release the harness 8 Cut the clamps at the 2 locations 9 Disconnect the connector for the filter PCB S10 Step Procedure Points R11859 R11860 R11861 S10 ...

Страница 229: ... for the magnetic relay S50 and for the forced operation button PCB S100 11 Disconnect the connector for the filter PCB HL3 HN3 12 Release the harnesses from the hook 13 Release the harness for the outdoor temperature thermistor Step Procedure Points R11862 S100 S50 HL3 HN3 R11863 R11864 R11865 ...

Страница 230: ...move the main PCB Refer to page 27 for detail S10 HL3 HN3 filter PCB S20 electronic expansion valve coil S40 overload protector S50 magnetic relay S70 fan motor S80 four way valve coil S90 thermistors S100 forced operation button PCB Step Procedure Points R11866 R11867 R11868 HL3 S50 S100 S90 S10 HN3 HL3 S80 S20 S40 S70 ...

Страница 231: ...oor Unit RK X S25 35G2V1B9 Removal Procedure 220 2 Remove the filter PCB 1 Release the harnesses from the hook 2 Cut the clamp 3 Release the harnesses from the hook Step Procedure Points R11869 Filter PCB R11871 R11872 ...

Страница 232: ...5 35G2V1B9 SiBE06 708_A 221 Removal Procedure 4 Release the harnesses from the hooks 5 Remove the screw 6 Unfasten the 2 hooks 7 Lift and pull out the filter PCB Step Procedure Points R11873 R11874 R11876 Filter PCB R11877 ...

Страница 233: ...SiBE06 708_A Outdoor Unit RK X S25 35G2V1B9 Removal Procedure 222 8 Feature of the filter PCB Refer to page 27 for detail Step Procedure Points R11878 ...

Страница 234: ...l power supplies before disassembling work Step Procedure Points 1 Remove the reactor Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 1 Remove the screw and remove the reactor 2 Remove the partition plate 1 Remove the 2 screws R11879 Reactor R11880 R12273 Partition plate ...

Страница 235: ...K X S25 35G2V1B9 Removal Procedure 224 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points R12280 R11883 ...

Страница 236: ...ore after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the sound blanket top Since the piping ports are torn easily remove the sound blanket carefully 2 Untie the string and open the sound blanket outer 3 Lift and remove the sound blanket outer R11884 Sound blanket top R11885 Sound blanket outer R11886 ...

Страница 237: ... 708_A Outdoor Unit RK X S25 35G2V1B9 Removal Procedure 226 4 Pull the sound blanket inner out 5 Pull the sound blanket bottom out Step Procedure Points R11887 Sound blanket inner Sound blanket bottom R11888 ...

Страница 238: ...o wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Pull out the electronic expansion valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor R7233 Electronic expansion valve coil R7234 Terminal cover V W U R7235 Red U Yellow V Blue W ...

Страница 239: ...oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 C...

Страница 240: ... cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Step Procedure Points R7250 ...

Страница 241: ...nvironment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet...

Страница 242: ...eans because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to burn the compressor terminals the name plate the heat exchanger fin 4 Lift the compressor up and remove it R12032 Suction side ...

Страница 243: ...minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the panels Take care not to cut your finger by the fins of the outdoor heat exchanger 1 Remove the 4 screws and lift the top panel 2 Remove the 4 screws and remove the discharge grille Slide the discharge grille upwards and remove it Top panel R12283 R12315 Discharge grille R5245 ...

Страница 244: ...rocedure The discharge grille has 4 hooks 3 Remove the 6 screws of the front panel 4 Push the front panel and lift the shield plate to unfasten the hooks Step Procedure Points Front panel R12284 Shield plate R5248 1 Push the front panel 2 Lift the shield plate upwards ...

Страница 245: ...nfasten the left side hooks and then the right side hook Remove the front panel Lift the front panel while pushing the left side panel inwards Lift the front panel and unfasten the right side hook When reassembling fit the right side of the front panel first Step Procedure Points ...

Страница 246: ...8_A 235 Removal Procedure 2 Remove the stop valve cover 1 Remove the screw of the stop valve cover 2 Pull down the stop valve cover to unfasten the hooks and remove it The stop valve cover has 6 hooks Step Procedure Points Stop valve cover R5252 R5254 ...

Страница 247: ...work Step Procedure Points 1 Remove the electrical box cover Preparation Remove the top panel and the front panel according to the Removal of Outer Panels This procedure is not necessary to remove the outdoor fan only 1 Remove the screw of the shield plate 2 Unfasten the 2 hooks and remove the shield plate 3 Unfasten the 4 hooks of the electrical box cover and remove it R5255 Shield plate Hook R12...

Страница 248: ...X S50G2V1B SiBE06 708_A 237 Removal Procedure 2 Remove the fan motor 1 Disconnect the connector for the fan motor S70 2 Release the fan motor lead wire from the 7 hooks Step Procedure Points R5258 S70 R5259 Fan motor lead wire R5260 ...

Страница 249: ... the outdoor fan with D cut section of the motor shaft 4 Remove the lower 2 screws from the fan motor first Be sure to remove the lower screws first If the upper screws are removed first the fan motor the center of gravity of which is toward the front may tilt down or fall getting you injured 5 Then remove the upper 2 screws Step Procedure Points R5262 Outdoor fan 10 mm R12236 R5263 R5264 Fan moto...

Страница 250: ...al Procedure 6 Release the fan motor lead wire from the 2 hooks and pull the fan motor out When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan Step Procedure Points R5265 Fan motor lead wire ...

Страница 251: ...lies before disassembling work Step Procedure Points 1 Remove the 2 screws of the shield plate Preparation Remove the top panel and the front panel according to the Removal of Outer Panels 2 Slide the shield plate upward to unfasten the 1 hook on the bottom left and then remove the shield plate 3 Disconnect the 2 power supply cables and the 1 earth wire R5266 Shield plate R5267 R5268 Earth wire ...

Страница 252: ...RK X S50G2V1B SiBE06 708_A 241 Removal Procedure 4 Disconnect the 2 earth wires 5 Remove the 3 screws of the right side panel 6 Remove the screw of the electrical box Step Procedure Points Earth wires R5269 R5270 Right side panel ...

Страница 253: ...embling insert the 2 hooks of the lower part and the 1 hook of the upper back 8 Disconnect the connectors of the front side S20 electronic expansion valve coil S40 overload protector S80 four way valve coil S90 thermistors 9 Disconnect the relay connector for the compressor Step Procedure Points R5272 Hook R5273 Hooks R5275 S40 S20 S90 S80 ...

Страница 254: ...l Procedure 10 Release the clamp of the compressor relay harness with pliers 11 Detach the clamp and release the thermistor lead wires from the hook 12 Remove the screw Step Procedure Points R5277 Compressor relay harness R5278 Thermistor lead wire Hook Clamp R12316 ...

Страница 255: ...or Unit RK X S50F2V1B RK X S50G2V1B Removal Procedure 244 13 Release the harness of the outdoor temperature thermistor from the hook 14 Lift and remove the electrical box Step Procedure Points R9403 R5279 Electrical box ...

Страница 256: ... supplies before disassembling work Step Procedure Points 1 Disconnect the connectors from the service monitor PCB S52 S102 Preparation Remove the electrical box according to the Removal of Electrical Box 2 Detach the 4 clamps with pliers 3 Remove the screws of the terminal board and the earth wire R5280 Service monitor PCB S52 S102 Clamps R5281 R12285 Terminal board Earth wire ...

Страница 257: ...edure 246 4 Unfasten the hook on the right 5 Open the terminal board 6 Disconnect the harnesses 1 Black 2 White 3 Red L1 Black L2 Brown N1 White N2 Blue 7 Disconnect the 2 connectors for the reactor HR1 HR2 Step Procedure Points R5285 N2 N1 L1 3 2 1 L2 R11473 HR2 HR1 ...

Страница 258: ... S50G2V1B SiBE06 708_A 247 Removal Procedure 8 Remove the 3 screws of the main PCB 9 Unfasten the 4 hooks 10 Lift up and remove the main PCB Refer to page 29 for detail Step Procedure Points Main PCB R5287 R5288 Hooks Main PCB R5289 ...

Страница 259: ... 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the sound blanket back 2 Remove the sound blanket outer Since the piping ports are torn easily remove the sound blanket carefully 3 Remove the sound blanket top upper Sound blanket back R5293 Sound blanket outer R5294 Sound blanket top upper ...

Страница 260: ...ket inner 6 Release the discharge pipe thermistor Be careful not to lose the clip for the thermistor 7 Cut the clamp and pull out the outdoor heat exchanger thermistor Step Procedure Points Sound blanket top lower R11398 Sound blanket inner R5296 R12286 Discharge pipe thermistor R12287 Clip Outdoor heat exchanger thermistor R5292 Clamp ...

Страница 261: ...for restoration 1 Restore the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Do not use a metal saw for cutting pipes by all means because the sawd...

Страница 262: ...eated by the gas brazing machine Warning If the refrigerant gas leaks during work ventilate the room If the refrigerant gas is exposed to flames toxic gas may be generated Caution From the viewpoint of global environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Before working make sure that the refrigerant gas is empty in the ci...

Страница 263: ...oval of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the lead wires of the compressor Terminal cover R5302 R12204 Yellow V Red U Blue W ...

Страница 264: ...t gas is exposed to flames toxic gas may be generated Warning Since it may happen that the refrigerant oil in the compressor catches fire prepare wet cloth so as to extinguish fire immediately Caution From the viewpoint of global environment protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Before working make sure that the refrigerant g...

Страница 265: ... part where is easy to disconnect and restore 2 Cut pipes on the main unit with a tube cutter in order to make it easy to disconnect Note Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing...

Страница 266: ...2 Field Settings 257 2 1 Model Type Setting 257 2 2 When 2 Units are Installed in 1 Room 258 2 3 Standby Electricity Saving 259 2 4 Facility Setting Jumper and Switch cooling at low outdoor temperature 260 2 5 Jumper and Switch Settings 261 3 Application of Silicon Grease to a Power Transistor and a Diode Bridge 262 ...

Страница 267: ...tem then restarts operation with the previous mode when the circuit breaker is restored In cooling mode select the lowest programmable temperature in heating mode select the highest programmable temperature Trial operation may be disabled in either mode depending on the room temperature After trial operation is complete set the temperature to a normal level 26 C to 28 C in cooling mode 20 C to 24 ...

Страница 268: ... common to the heat pump model and cooling only model Use the DIP switch on the remote controller to set the heat pump model or cooling only model Make the setting as shown in the illustration The factory set is the heat pump side Heat pump model Set the DIP switch to H P Cooling only model Set the DIP switch to C O H P C O DIP switch R12275 ...

Страница 269: ... the front grille 2 Lift the sensor PCB fixing plate and remove the front shield plate 3 Disconnect the connectors S1 S41 S42 4 Remove the electric box 1 screw 5 Pull out the indoor heat exchanger thermistor 6 Remove the shield plate 8 tabs 7 Cut the address jumper JA on the indoor unit PCB 8 Cut the address jumper J4 in the remote controller 3 Connector S42 3 Connector S41 3 Connector S1 4 Remove...

Страница 270: ...ng procedure is required for turning ON the function 1 Check that the main power supply is turned OFF Turn OFF if it has not been turned OFF 2 Remove the stop valve cover 3 Disconnect the selective connector for standby electricity saving 4 Turn ON the main power supply Caution Before connecting or disconnecting the selective connector for standby electricity saving make sure that the main power s...

Страница 271: ...pace where there is a human 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 RKS25 35F2V1B RKS25 35G2V1B RKS25 35G2V1B9 1 2 3 PCB J1 J3 J4 J5 J6 J7 J8 S80 S80 S90 S70 R6941 Cut J8 with nippers or a similar ...

Страница 272: ... A SW4 ON A B CD S102 SW1 S2 R12186 Turn on the switch SW4 B Jumper Function When connected factory set When cut JB on indoor unit PCB Fan speed setting when compressor stops for thermostat OFF effective only at cooling operation Fan speed setting Remote controller setting Fan rpm is set to 0 Fan stop JC on indoor unit PCB Power failure recovery function Auto restart The unit does not resume opera...

Страница 273: ...or encouraging the heat radiation of the power transistor and the diode bridge Applying the paste should be implemented in accordance with the following instruction Remark There is the possibility of failure with smoke in case of bad heat radiation Wipe off the old silicon grease completely on a radiation fin Apply the silicon grease evenly to the whole Do not leave any foreign object such as sold...

Страница 274: ...SiBE06 708_A 263 Appendix Part 9 Appendix 1 Piping Diagrams 264 1 1 Indoor Unit 264 1 2 Outdoor Unit 265 2 Wiring Diagrams 268 2 1 Indoor Unit 268 2 2 Outdoor Unit 269 ...

Страница 275: ...ANGER REFRIGERANT FLOW 6 4CuT 6 4CuT FAN MOTOR 9 5CuT M 6 4CuT 6 4CuT 7 0CuT COOLING 9 5CuT HEATING INDOOR UNIT THERMISTOR ONHEATEXCH 4D056137A FAN MOTOR 6 4CuT 7 0CuT TURBO FAN 6 4CuT 6 4CuT 6 4CuT COOLING M 6 4CuT 6 4CuT HEATING HEAT EXCHANGER 12 7CuT FIELD PIPING 6 4CuT MUFFLER ASSY INDOOR UNIT 6 4CuT 9 5CuT REFRIGERANT FLOW FIELD PIPING THERMISTOR ONHEATEXCH 4D056138A ...

Страница 276: ...ALVE MUFFLER WITH FILTER MUFFLER WITH FILTER MUFFLER WITH FILTER LIQUID STOP VALVE GAS STOP VALVE FOUR WAY VALVE DISCHARGE PIPE THERMISTOR 3D047318G 9 5CuT MUFFLER COMPRESSOR 7 0CuT 9 5CuT 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW 4 8CuT 6 4CuT 9 5CuT PROPELLER FAN M FIELD PIPING ACCUMULATOR 9 5CuT 6 4CuT 7 9CuT 6 4CuT 6 4CuT FIELD PIPING MUFFLER 7 0CuT 4 8CuT OUTDOOR UNIT COOLING MUFFLER 9 5CuT 9 5C...

Страница 277: ...MPERATURE THERMISTOR MUFFLER WITH FILTER MOTOR OPERATED VALVE MUFFLER WITH FILTER GAS STOP VALVE WITH SERVICE PORT FOUR WAY VALVE NORMALLY OFF DISCHARGE PIPE THERMISTOR HEAT EXCHANGER THERMISTOR 3D051636N M 9 5CuT MUFFLER PROPELLER FAN 7 9CuT 7 9CuT COMPRESSOR 9 5CuT ACCUMULATOR 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT HEAT EXCHANGER 4 8CuT 4 8CuT 6 4CuT 6 4CuT MUFFLER 9 5CuT 6 4CuT FIELD PIPING F...

Страница 278: ...PE THERMISTOR HEAT EXCHANGER THERMISTOR FOUR WAY VALVE ON HEATING 3D059586E OUTDOOR UNIT 12 7CuT 12 7CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT PROPELLER FAN MUFFLER HEAT EXCHANGER 7 9CuT 7 9CuT M COMPRESSOR 12 7CuT 12 7CuT 7 9CuT 7 9CuT 4 0CuT 4 0CuT CAPILLARY TUBE 4 CAPILLARY TUBE 2 CAPILLARY TUBE 3 CAPILLARY TUBE 1 9 5CuT MUFFLER 9 5CuT 6 4CuT 12 7CuT 6 4CuT 6 4CuT 6 4CuT 6 4Cu...

Страница 279: ...SA1 S32 E3 EARTH TERMINAL HEAT EX H1 S46 HA S27 M1F M1F RED PCB1 1 F1U E4 E3 BLU GRN YLW GRN YLW E1 1 t M2S LOWER AIR OUTLET MOTOR PCB2 H1P R1T 7 ORG PNK BLK R1T R2T S47 t H2P RED S49 S2W 4 UPWARD AIR FLOW LIMIT SWITCH R2T S1W WHT ORG FUSE PILOT LAMP FAN MOTOR OPERATION SWITCH PCB1 PCB4 PRINTED CIRCUIT BOARD THERMISTOR S1 S49 CONNECTOR TERMINAL STRIP SWING MOTOR PROTECTIVE EARTH NOTE THAT OPERATIO...

Страница 280: ...K Q1L R12T S40 BLK GRY 1 S30 W W _ 5 BLU M1C IPM1 V V 3 YLW U 1 U N 2 Z1C RED t IN CASE OF COOLING ONLY TYPE IN CASE OF HEAT PUMP TYPE 3D046707M FIELD WIRING MRM20 N 1 ORG IPM1 FU3 X1M DB1 indoor L1R Z3C HR1 20A HR2 HL1 L1 BLK ORG 1 L 1 MRM10 HN1 WHT V2 2 HN3 N 2 DB2 HN2 C5 S BLU RED 3 3 FU2 C118 3 15A V3 HL3 HL2 C6 GRY L FU1 MR30 9 WHT 1 3 15A N BLK W V U GRN YLW V1 BLK SA1 PCB2 BLK E1 S11 S10 BL...

Страница 281: ...PROTECTOR SA1 PRINTED CIRCUIT BOARD CONNECTOR THERMISTOR SURGE ARRESTER FORCED OPERATION SWITCH VARISTOR TERMINAL STRIP ELECTRONIC EXPANSION VALVE COIL REVERSING SOLENOIDE VALVE COIL FERRITE CORE PROTECTIVE EARTH IN CASE OF COOLING ONLY TYPE 3D065704A outdoor FIELD WIRING indoor S2 BLU BRN FU3 1 3 15A 1 WHT TO INDOOR UNIT BLU 8 POWER SUPPLY YLW BLK BRN BRN FU1 MRM10 S10 1 3 BLU 5 BLU V6 SHEETMETAL...

Страница 282: ...D L Z5C BLU 3 15A YLW 8 9 X2M PCB1 V5 S80 WHT RED BRN M BLU BLK WHT FU1 S70 S52 R2T 1 GRN WHT 3 WHT W BLU W L1R V11 3 RED BLU BLK 1 4 BLK GRN 2 2 5 1 S51 Z1C BLK 7 Y1E MRM10 MRM20 MRC W MAGNETIC RELAY R1T R3T THERMISTOR S2 S102 CONNECTOR LEDA PILOT LAMP M1C COMPRESSOR MOTOR M1F FAN MOTOR L1R REACTOR Q1L OVERLOAD PROTECTOR PM1 POWER MODULE PCB1 2 PRINTED CIRCUIT BOARD SHEET METAL L LIVE N NEUTRAL S...

Страница 283: ...r distributor and or retailer 1 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 Cautions on product corrosion JMI 0107 J...

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