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SiBE041134EB

Table of Contents

1. Safety Cautions.......................................................................................v

1.1 Warnings and Cautions Regarding Safety of Workers .............................v
1.2 Warnings and Cautions Regarding Safety of Users ............................... vii

2. Icons Used ............................................................................................. ix

Part 1 List of Functions ................................................................ 1

1. Functions.................................................................................................2

Part 2 Specifications ....................................................................5

1. Specifications ..........................................................................................6

Part 3 Printed Circuit Board Connector Wiring Diagram ...........11

1. Indoor Unit.............................................................................................12
2. Outdoor Unit ..........................................................................................14

2.1 RXS20/25K2V1B, RXS20/25K3V1B, RXS20/25L2V1B,

ARXS25L2V1B .......................................................................................14

2.2 RXS20/25L3V1B, ARXS25L3V1B..........................................................16

Part 4 Functions and Control......................................................17

1. Main Functions......................................................................................18

2. Thermistor Functions ............................................................................36
3. Control Specification .............................................................................37

Содержание ARXS25L2V1B

Страница 1: ...Service Manual Applicable Models z Inverter Pair Heat Pump Inverter Pair Wall Mounted Type FTXS ATXS K Series SiBE041134EB ...

Страница 2: ... Mounted Type FTXS ATXS K Series zHeat Pump Indoor Unit FTXS20K2V1B FTXS20K3V1B ATXS25K2V1B ATXS25K3V1B FTXS25K2V1B FTXS25K3V1B Outdoor Unit RXS20K2V1B RXS20L3V1B ARXS25L2V1B ARXS25L3V1B RXS25K2V1B RXS25L3V1B RXS20K3V1B RXS25K3V1B RXS20L2V1B RXS25L2V1B ...

Страница 3: ...ection Control 20 1 4 Fan Speed Control for Indoor Unit 21 1 5 Program Dry Operation 22 1 6 Automatic Operation 23 1 7 Thermostat Control 24 1 8 NIGHT SET Mode 25 1 9 ECONO Operation 25 1 10 INTELLIGENT EYE Operation 26 1 11 Inverter POWERFUL Operation 27 1 12 Clock Setting 28 1 13 WEEKLY TIMER Operation 29 1 14 Other Functions 35 2 Thermistor Functions 36 3 Control Specification 37 3 1 Mode Hiera...

Страница 4: ... 4 12 Compressor Lock 77 4 13 DC Fan Lock 78 4 14 Input Overcurrent Detection 79 4 15 Four Way Valve Abnormality 80 4 16 Discharge Pipe Temperature Control 82 4 17 High Pressure Control in Cooling 83 4 18 Compressor System Sensor Abnormality 84 4 19 Position Sensor Abnormality 85 4 20 DC Voltage Current Sensor Abnormality 87 4 21 Thermistor or Related Abnormality Outdoor Unit 88 4 22 Electrical Bo...

Страница 5: ...odel Type Setting 109 4 2 When 2 Units are installed in 1 Room 109 4 3 Standby Electricity Saving 110 4 4 Facility Setting Cooling at Low Outdoor Temperature 110 4 5 Jumper Settings 111 5 Silicone Grease on Power Transistor Diode Bridge 112 Part 8 Appendix 113 1 Piping Diagrams 114 1 1 Indoor Unit 114 1 2 Outdoor Unit 115 2 Wiring Diagrams 116 2 1 Indoor Unit 116 2 2 Outdoor Unit 118 ...

Страница 6: ...arding Safety of Workers Warning Do not store equipment in a room with fire sources e g naked flames gas appliances electric heaters Be sure to disconnect the power cable from the socket before disassembling equipment for repair Working on equipment that is connected to the power supply may cause an electrical shock If it is necessary to supply power to the equipment to conduct the repair or inspe...

Страница 7: ...n the refrigerant system If air enters the refrigerant system an excessively high pressure results causing equipment damage and injury Warning Caution Do not repair electrical components with wet hands Working on the equipment with wet hands may cause an electrical shock Do not clean the air conditioner with water Washing the unit with water may cause an electrical shock Be sure to provide an eart...

Страница 8: ...ive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow the local technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work may cause an electrical shock or fire Be sure to use the speci...

Страница 9: ... not conducted securely the equipment may fall and cause injury Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug is dusty or has a loose connection it may cause an electrical shock or fire When replacing the coin battery in the remote controller be sure to dispose of the old battery to prevent children from swallowing ...

Страница 10: ...room and wet the furniture and floor Do not tilt the unit when removing it The water inside the unit may spill and wet the furniture and floor Caution Icon Type of Information Description Warning Warning A Warning is used when there is danger of personal injury Caution Caution A Caution is used when there is danger that the reader through incorrect manipulation may damage equipment lose data get a...

Страница 11: ...SiBE041134EB List of Functions 1 Part 1 List of Functions 1 Functions 2 ...

Страница 12: ... LED z 3 D airflow Wiring error check function COMFORT AIRFLOW operation z Anti corrosion treatment of outdoor heat exchanger z Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit z Indoor unit quiet operation z H P C O compatible indoor unit NIGHT QUIET mode automatic Flexible power supply correspondence OUTDOOR UNIT QUIET operation manual z Chargeless 10 m ...

Страница 13: ...eck function COMFORT AIRFLOW operation z Anti corrosion treatment of outdoor heat exchanger z Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit z Indoor unit quiet operation z H P C O compatible indoor unit NIGHT QUIET mode automatic Flexible power supply correspondence OUTDOOR UNIT QUIET operation manual z Chargeless 10 m 2 area INTELLIGENT EYE operation E...

Страница 14: ...w Wiring error check function COMFORT AIRFLOW operation z z Anti corrosion treatment of outdoor heat exchanger z z Comfort Control Auto fan speed z z Flexibility Multi split split type compatible indoor unit z z Indoor unit quiet operation z z H P C O compatible indoor unit NIGHT QUIET mode automatic Flexible power supply correspondence OUTDOOR UNIT QUIET operation manual z z Chargeless 10 m 10 m ...

Страница 15: ...SiBE041134EB Specifications 5 Part 2 Specifications 1 Specifications 6 ...

Страница 16: ...movable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 Power Consumption Rated W 40 40 40 40 Power Factor 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 289 780 215 289 780 215 Packaged Dimensions H W D mm 274 850 346 274 850 346 Weight Mass kg...

Страница 17: ...ovable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 Power Consumption Rated W 40 40 40 40 Power Factor 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 289 780 215 289 780 215 Packaged Dimensions H W D mm 274 850...

Страница 18: ...emovable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 Power Consumption Rated W 40 40 40 40 40 40 40 40 40 40 40 40 Power Factor 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 289 780 215 289 780 215 Packaged Dimensions H W D mm 274 850 346 2...

Страница 19: ...e Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 Power Consumption Rated W 40 40 40 40 40 40 40 40 40 40 40 40 Power Factor 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 289 780 215 289 780 215 Packaged Dimensions H W D mm 274 850 346 274 850 346 Weigh...

Страница 20: ...emovable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 0 19 0 18 0 17 Power Consumption Rated W 40 40 40 40 40 40 40 40 40 40 40 40 Power Factor 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 95 7 96 6 98 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 289 780 215 289 780 215 Packaged Dimensions H W D mm 274 850 346 2...

Страница 21: ...ircuit Board Connector Wiring Diagram 11 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Indoor Unit 12 2 Outdoor Unit 14 2 1 RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B 14 2 2 RXS20 25L3V1B ARXS25L3V1B 16 ...

Страница 22: ... for display PCB 4 S32 Connector for indoor heat exchanger thermistor 5 S200 Connector for DC fan motor 6 S403 Connector for adaptor PCB option 7 FG1 FG2 Connector for terminal board frame ground 8 H1 H2 H3 Connector for terminal board indoor outdoor transmission 9 V1 Varistor 10 JA Address setting jumper Refer to page 109 for details 11 JB Fan speed setting when compressor stops for thermostat OF...

Страница 23: ... appropriate wiring diagram 1 S27 Connector for control PCB 2 SW1 S1W Forced cooling operation ON OFF button Refer to page 107 for detail 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3 H3P LED for INTELLIGENT EYE green 6 RTH1 R1T Room temperature thermistor S27 SW1 Solder side LED2 LED3 LED1 RTH1 3P185701 3 1 S36 Connector for control PCB S36 3P296737 1 ...

Страница 24: ...nector 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 compressor 12 FU2 Fuse 3 15 A 250 V 13 LED A LED for service monitor green 14 ...

Страница 25: ...or for terminal board 3 E1 E2 Terminal for earth wire 4 HL2 HN2 Connector for main PCB 5 HR1 Connector for reactor 6 FU1 Fuse 3 15 A 250 V 7 FU3 Fuse 20 A 250 V 8 V2 V3 Varistor HR1 HL2 3P254234 1 FU1 HN2 S FU3 AC2 E1 E2 AC1 S11 V3 V2 S50 on main PCB 1 S110 Connector for main PCB 2 SW1 Forced cooling operation ON OFF button Refer to page 107 for details SW1 S110 3P255755 1 ...

Страница 26: ...relay 5 S71 Connector for DC fan motor 6 S80 Connector for four way valve coil 7 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 8 E1 E2 Terminal for earth wire 9 HL1 HN1 S Connector for terminal board 10 HR1 HR2 Connector for reactor 11 FU1 FU2 Fuse 3 15 A 250 V 12 FU3 Fuse 20 A 250 V 13 LED A LED for service monitor green 14 V2 V3 V150 Varistor FU3 S HL1 H...

Страница 27: ...peration 26 1 11 Inverter POWERFUL Operation 27 1 12 Clock Setting 28 1 13 WEEKLY TIMER Operation 29 1 14 Other Functions 35 2 Thermistor Functions 36 3 Control Specification 37 3 1 Mode Hierarchy 37 3 2 Frequency Control 38 3 3 Controls at Mode Changing Start up 40 3 4 Discharge Pipe Temperature Control 42 3 5 Input Current Control 43 3 6 Freeze up Protection Control 44 3 7 Heating Peak cut Contr...

Страница 28: ...is controlled by the following 2 parameters The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperature The target frequency is adapted by additional parameters in the following cases Frequency restrictions Initial settings Forced cooling operation Inverter Principle To regulate the capacity a frequency control is needed The inv...

Страница 29: ...he 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 page 107 for details Refrigerant circulation rate high high f low f freq variable Refrigerant circulation rate low high speed low speed R2812 Amount of heat exchanged air...

Страница 30: ...over the room Heating During heating operation the large flap directs airflow downward to spread the warm air to the entire room Wide Angle Louvers The louvers made of elastic synthetic resin provide a wide range of airflow that guarantees comfortable air distribution Auto Swing The following table explains the auto swing process for cooling dry fan and heating COMFORT AIRFLOW Operation The flap i...

Страница 31: ...N setting button is set to automatic Cooling The following drawing explains the principle of fan speed control for cooling The upper limit is M tap in 30 minutes from the operation start Heating In heating operation the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermistor temperature and the target temperature COMFORT AIRFLOW Oper...

Страница 32: ...d the target temperature is divided into two zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Thermostat turns on also when the room temperature is in the zone B for 10 minutes Room thermistor temperature at start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 C or more Room thermistor tem...

Страница 33: ... 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 operation mode switching point are as follows Tr means the room thermistor temperature 1 Heating Cooling switching point Tr Tt 2 5 C 2 Cooling Heating switching point Tr Tt 3 0 C 3 Thermostat ON OFF point is the sam...

Страница 34: ... 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 18 for details Zone B Zone B Zone A Zone A OFF OFF ON ON Zone C Zone C Room thermistor temperature target temperature 1 5 C...

Страница 35: ...r capacity does not allow the use of multiple electrical devices and air conditioners It can be easily activated by pushing the ECONO button on the wireless remote controller Detail When this function is activated the maximum capacity also decreases The remote controller can send the ECONO command when the unit is in cooling heating dry or automatic operation This function can only be set when the...

Страница 36: ... cooling In FAN operation the fan speed is reduced by 60 rpm When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit at a temperature shifted from the target temperature cooling dry 1 2 C higher heating 2 C lower automatic according to the operation mode at that time Note For dry operation the temperature cannot be set ...

Страница 37: ... operation in cooling Note POWERFUL Operation cannot be used together with OUTDOOR UNIT QUIET Operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C DRY Dry rotating speed A rpm Lowered by 2 5 C HEAT H tap A rpm 31 C FAN H tap A rpm AUTO Same as cooling heating in POWERFUL operation The target temperature is kept unchanged R19177 Target temp Fan A rpm 18 C H tap Set tap 20 min...

Страница 38: ... set the clock to the current day of the week 3 Press the Clock button blinks 4 Press the Select or Select button to adjust the clock to the present time Holding down the Select or Select button increases or decreases the time display rapidly 5 Press the Clock button to set the clock Point the remote controller at the indoor unit when pressing the button blinks and clock setting is completed R1992...

Страница 39: ... ON Program 1 Program 2 Program 3 Program 4 The same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend Program 1 Program 2 Program 3 Program 4 Use the copy mode to make settings for Tuesday to Friday because these settings are the same as those for Monday Tuesday to Friday Up to 4 reservations per day and 28 reservations per wee...

Страница 40: ...3 Press 4 Press to select the desired mode ON TIMER OFF TIMER blank 5 Press Make sure the day of the week and time are set If not set the day of the week and time The day of the week and the reservation number of the current day will be displayed 1 to 4 settings can be made per day In case the reservation has already been set selecting blank deletes the reservation Go to step 9 if blank is selecte...

Страница 41: ...eat the procedure from step 4 The multi monitor lamp blinks twice The TIMER lamp periodically lights orange The multi monitor lamp will not blink orange if all the reservation settings are deleted is displayed on the LCD and WEEKLY TIMER operation is activated A reservation made once can be easily copied and the same settings used for another day of the week Refer to Copy mode Do not forget to set...

Страница 42: ...ek will be copied Tuesday to Friday 2 Press to confirm the day of the week to be copied 4 Press to select the destination day of the week Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and flashing the multi monitor lamp The reservation will be copied to the selected day of the week The whole reservation of the selected day of the week will be copied ...

Страница 43: ...confirmed Pressing displays the reservation details To change the confirmed reserved settings select the reservation number and press The mode is switched to setting mode Go to setting mode step 2 5 Press while is displayed on the LCD The will disappear from the LCD The TIMER lamp goes off To reactivate the WEEKLY TIMER operation press again If a reservation deactivated with is activated once agai...

Страница 44: ...IMER mode Pressing alternates the following items appearing on the LCD in rotational sequence Selecting blank will cancel any reservation you may have The selected reservation will be deleted If there are still other reservations WEEKLY TIMER operation will be activated This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservati...

Страница 45: ... the ON OFF button once to start operation Press once again to stop it The ON OFF button is useful when the remote controller is missing or the battery has run out The operation mode refers to the following table Forced cooling operation Forced cooling operation can be started by pressing the ON OFF button for 5 9 seconds while the unit is not operating Refer to page 107 for details Note When the ...

Страница 46: ...ture used in 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 3 Indoor Heat Exchanger Thermistor 1 The indoor heat exchanger thermistor is used for controlling the target discharge pipe temperature The system sets the tar...

Страница 47: ...ode for installation and servicing Detail Note Unless specified otherwise a dry operation command is regarded as cooling operation Air conditioner control mode Forced operation mode Forced cooling operation for pump down operation Power transistor test mode Normal operation mode Fan Cooling includes drying Heating Heating Defrosting Stop indoor unit OFF Preheating operation Discharging from capaci...

Страница 48: ... peak cut freeze up protection defrost 3 Determine lower limit frequency The maximum value is set as a lower limit frequency among the frequency lower limits of the following functions Four way valve operation compensation draft prevention pressure difference upkeep 4 Determine prohibited frequency There is a certain prohibited frequency such as a power supply frequency Command frequency Limit fre...

Страница 49: ... adjusted according to the D value When the D value is low the frequency is lowered When the D value is high the frequency is increased 3 Frequency control when other controls are functioning When frequency is dropping Frequency control is carried out only when the frequency drops For controlling lower limit Frequency control is carried out only when the frequency rises 4 Upper and lower limit of ...

Страница 50: ...ure 90 C Control II ON condition Discharge pipe temperature D C Radiation fin temperature 85 C OFF condition Discharge pipe temperature E C Radiation fin temperature 90 C 3 3 2 Four Way Valve Switching Outline The four way valve coil is energized not energized depending on the operation mode Heating ON Cooling Dry Defrost OFF In order to eliminate the switching sound as the four way valve coil swi...

Страница 51: ... resetting 4 When the compressor starts after the fault of four way valve switching The lower limit of frequency keeps A Hz for B seconds with any conditions 1 through 4 above 3 3 4 3 Minute Standby Turning on the compressor is prohibited for 3 minutes after turning it off The function is not activated when defrosting 3 3 5 Compressor Protection Function When turning the compressor from OFF to ON ...

Страница 52: ...rther Detail RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B RXS20 25L3V1B ARXS25L3V1B A ºC 110 110 B ºC 105 103 C ºC 101 98 D ºC 99 93 E ºC 97 88 Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit of frequency increases Reset zone Th...

Страница 53: ...rent remain in the stop zone for 2 5 seconds the compressor is stopped Dropping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is lowered by 2 Hz every second until it reaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current dropping and stop val...

Страница 54: ...frequency limitation is judged with the indoor heat exchanger temperature A C B C C C 11 9 7 R22433 Reset zone Indoor heat exchanger thermistor temperature Up zone Keep zone Dropping zone Stop zone 0 C C C B C A C 13 C RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B RXS20 25L3V1B ARXS25L3V1B A ºC 65 63 B ºC 56 56 C ºC 53 53 D ºC 51 51 E ºC 46 46 Zone Control Stop zone When the temperature re...

Страница 55: ...ell as normal operation 5 Fan speed control during forced cooling operation The outdoor fan is controlled as well as normal operation during forced cooling operation 6 Fan speed control during POWERFUL operation The rotation speed of the outdoor fan is increased during POWERFUL operation 7 Fan speed control during indoor outdoor unit quiet operation The rotation speed of the outdoor fan is reduced...

Страница 56: ...ccumulated time have passed since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgment is made with the outdoor heat exchanger temperature B C The same value continues RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B RXS20 25L3V1B ARXS25L3V1B A minutes 28 28 B C 4 18 4 18 C Hz 68 64 D Hz 86 64 E seconds 50 50 F seconds 60 60 G seconds 600 ...

Страница 57: ... discharge pipe thermistor is disconnected Feedback Control Target discharge pipe temperature control Detail The followings are the examples of electronic expansion valve control which function in each operation mode Available Not available Control Status Starting operation control Control when the frequency changes Target discharge pipe temperature control Discharge pipe thermistor disconnection ...

Страница 58: ...ting 3 11 4 Starting Operation Control The electronic expansion valve opening is controlled when the operation starts thus preventing superheating or liquid compression 3 11 5 Control when the Frequency Changes When the target discharge pipe temperature control is active if the target frequency changes to a specified value in a certain time period the target discharge pipe temperature control is c...

Страница 59: ...disconnection is ascertained Discharge pipe temperature 6 C outdoor heat exchanger temperature 2 When the operation mode is heating When the following condition is fulfilled the discharge pipe thermistor disconnection is ascertained Discharge pipe temperature 6 C indoor heat exchanger temperature When the thermistor is disconnected When the disconnection is ascertained the compressor continues ope...

Страница 60: ...perature exceeds 120 C the system shuts down the compressor If the inverter current exceeds 9 25 A the system shuts down the compressor 3 12 3 Refrigerant Shortage Detection Detecting by discharge pipe temperature If the discharge pipe temperature is higher than the target discharge pipe temperature and the electronic expansion valve is fully open for more than the specified time it is regarded as...

Страница 61: ...SiBE041134EB Remote Controller 51 Part 5 Remote Controller 1 Remote Controller 52 ...

Страница 62: ...on once to start operation Press once again to stop it Temperature adjustment button AUTO DRY COOL HEAT FAN 18 30 C Not available 18 32 C 10 30 C Not available Displays the current settings In this illustration each section is shown with all its displays on for the purpose of explanation To use the remote controller aim the transmitter at the indoor unit If there is anything to block signals betwe...

Страница 63: ...m directly blowing on your body Press this button and adjust the day and time with the Select button Press this button again to complete TIMER setting Timer Cancel button Cancels the timer setting It cannot be used for the WEEKLY TIMER operation Changes the ON OFF TIMER and WEEKLY TIMER settings Adjusts the airflow direction When you press the Swing button the flap moves up and down or and the lou...

Страница 64: ...3 DC Fan Lock 78 4 14 Input Overcurrent Detection 79 4 15 Four Way Valve Abnormality 80 4 16 Discharge Pipe Temperature Control 82 4 17 High Pressure Control in Cooling 83 4 18 Compressor System Sensor Abnormality 84 4 19 Position Sensor Abnormality 85 4 20 DC Voltage Current Sensor Abnormality 87 4 21 Thermistor or Related Abnormality Outdoor Unit 88 4 22 Electrical Box Temperature Rise 90 4 23 R...

Страница 65: ...lamp OFF Check the outdoor temperature Heating operation is not available when the outdoor temperature is 18 CWB or higher and cooling operation is not available when the outdoor temperature is below 10 CDB RXS models or 10 CDB ARXS models Diagnose with remote controller indication 60 The unit operates but does not cool or does not heat Check for wiring and piping errors in the connection between ...

Страница 66: ...transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Service Monitor The indoor unit has a green LED LED A on the control PCB When the microcomputer works in order the LED A blinks Refer to page 12 for the location of LED A 2 2 Outdoor Unit The outdoor unit has one green LED LED A on the PCB When the microco...

Страница 67: ... 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 3 Not all the error codes are displayed When you cannot find the error code try method 2 Refer to page 58 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...

Страница 68: ...he same time 5C is displayed on the LCD 2 Select 5C service check with the Temp or Temp button 3 Press the Mode button to enter the service check mode The left side number blinks 4 Press the Temp or Temp button and change the number until you hear the two consecutive beeps or the long beep R11669 R11821 R11672 R11670 R11671 ...

Страница 69: ...mp or Temp button and change the number until you hear the long beep 8 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side number does not long beep Both the left side and right side numbers correspond with the error code 9 Determine the error code The numbers indicated...

Страница 70: ... abnormality 65 C9 Room temperature thermistor or related abnormality 65 Outdoor Unit E1 Outdoor unit PCB abnormality 73 E5 OL activation compressor overload 75 E6 Compressor lock 77 E7 DC fan lock 78 E8 Input overcurrent detection 79 EA Four way valve abnormality 80 F3 Discharge pipe temperature control 82 F6 High pressure control in cooling 83 H0 Compressor system sensor abnormality 84 H6 Positi...

Страница 71: ...OK Check the power supply voltage Start operation Voltage as rated Error repeats Check the power supply voltage Start operation Voltage as rated Error repeats Error repeats Combination of the indoor and outdoor unit matched YES NO NO YES NO NO YES R20486 Caution To secure the connection once disconnect the connector and then reconnect it YES NO YES NO YES NO YES Match the compatible models Correct...

Страница 72: ... control During heating operation the indoor heat exchanger temperature is above 65 C Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust accumulation on the indoor heat exchanger Defective indoor heat exchanger thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 94 NO NO NO Check No 01 Check the indoor heat exchanger thermistor YES YES R21064 YES...

Страница 73: ...otor operation Error 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 Disconnection of connector Foreign matter stuck in the fan Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective capacitor...

Страница 74: ...nd the fan Is the rotation pulse generated Rotate the fan by hand Turn the power on again Check the fan motor for breakdown or short circuit Check the motor control voltage Check the indoor unit PCB for rotation pulse Fan rotates smoothly Resistance OK Is the motor control voltage 15 VDC generated Correct the connection Remove the foreign matter Replace the indoor fan motor Replace the indoor unit...

Страница 75: ...upposed Causes Disconnection of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 94 C4 Indoor heat exchanger thermistor C9 Room temperature thermistor YES R21870 NO Check No 01 Check the thermistor resistance value YES NO Caution Correct the connection Replace the defective thermistor Replace the indoor unit PCB cont...

Страница 76: ...charge pipe temperature F Detecting by the difference in temperature When the difference of the temperature is smaller than G C it is regarded as refrigerant shortage If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of the discharge pipe thermistor indoor or outdoor heat exchanger thermistor room ...

Страница 77: ...ipe flare or replace the union Check the pipes for improper contact and correct them as required Replace the cracked pipe Check the power transistor harness for loosening Correct it as required Also replace the cracked pipe Replace the electronic expansion valve Replace the defective thermistor s Completed Refrigerant shortage error again Oil oozing at internal piping Stop valve closed Compressor ...

Страница 78: ...it Low voltage detection The voltage detected by the DC voltage detection circuit is below 180 V The compressor stops if the error occurs and restarts automatically after 3 minute standby Over voltage detection An over voltage signal is fed from the over voltage detection circuit to the microcomputer The compressor stops if the error occurs and restarts automatically after 3 minute standby Suppose...

Страница 79: ...supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Precaution before turning on the power again Make sure the power has been off for at least 30 seconds Replace the indoor unit PCB control PCB Turn on the power System restarted Repeat a few times Error again within 3 minutes after turning on the power Loose or disconnected NO YES NO Repl...

Страница 80: ...normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Power supply voltage is not as specified Reduction of power supply voltage Wiring error Breaking of the connecting wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding Defective ...

Страница 81: ...tdoor unit Is LED A blinking Properly insulated Is there any disturbance Is there any wiring error Check the indoor unit outdoor unit connection wires Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Before you check the LED A cancel the standby electricity saving function by starting fan operation wi...

Страница 82: ...rconnected Wrong wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R20435 Caution NO YES YES NO Match the compatible models OK Correct the connection Check the code numbers 2P012345 for example of the indoor and outdoor unit PCB with the Parts List If not matched change for the correct PCB Are the conne...

Страница 83: ...sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Continuously ON or OFF Blink Check the voltage of the connection wires on the indoor terminal board between No 1 and No 2 NO YES Replace the connection wires between the indoor unit and outdoor unit Normal YES R22770 NO YES NO Replace the outdoor unit PCB main PCB Ground the system Zero cross si...

Страница 84: ...etween No 1 and No 2 NO YES Replace the connection wires between the indoor unit and outdoor unit Normal YES R22771 NO Replace the outdoor unit PCB main PCB Ground the system Zero cross signal abnormality Replace the outdoor unit PCB main PCB Check if the outdoor unit is grounded Is LED A blinking Grounded Turn on the power again Before you check the LED A cancel the standby electricity saving fun...

Страница 85: ...own Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Defective discharge pipe thermistor Disconnection of connector S40 Disconnection of 2 terminals of OL Q1L Defective OL Q1L Broken OL harness Defective electronic expansion valve or coil Defective four way valve or coil Defective outdoor unit PCB Refrigerant sho...

Страница 86: ...he discharge pipe thermistor Replace the electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the outdoor unit PCB main PCB Discharge pipe thermistor disconnected Check No 01 Check the thermistors Check No 13 Check the four way valve Check No 14 Check the refrigerant line Check No 1...

Страница 87: ... power Disconnect the harnesses U V and W R21067 Caution NO YES YES NO NO YES NO YES Check No 15 Check with the inverter analyzer 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 power has been off for at least 30 seconds Correct the power supply or replace the outdoor unit PCB main PCB Open the...

Страница 88: ...uck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 100 FU2 R21669 Caution YES YES NO YES NO NO YES NO NO Turn on the power Rotate the fan YES Check No 16 Check the rotation pulse input on the outdoor unit PCB main PCB Turn off the power and reconnect the connector Remove the foreign matter Replace the outdoor fan motor Replace the fuse Replace the ...

Страница 89: ... Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged An input overcurrent may result from wrong internal wiring If the system is interrupted by an input overcurrent after the wires have been disconnected and reconnected for part replacement check the wiring again R21863 NO YES YES NO Start operation and measure the input current Check ...

Страница 90: ...llowing condition continues over 10 minute after operating for 5 minutes Cooling Dry A B 5 C Heating B A 5 C A Room thermistor temperature B Indoor heat exchanger temperature If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of four way valve coil Defective four way valve coil or harness Defective ...

Страница 91: ...ust clogged Reconnect the thermistor s Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R20405 Refrigerant shortage Water mixed Stop valve Four way valve coil disconnected loose Harness disconnected Any thermistor disconnected Check No 01 Check the thermistors Check No 14 Check the refrigerant line Check No 13 Check the four way val...

Страница 92: ...ortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 94 Check No 12 Refer to P 96 Check No 14 Refer to P 97 A C B 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 R20417 Caution NG OK OK OK NG NG Discharge pipe the...

Страница 93: ...door unit PCB Troubleshooting Check No 01 Refer to P 94 Check No 12 Refer to P 96 Check No 17 Refer to P 101 Check No 18 Refer to P 101 Check No 19 Refer to P 102 R20418 Caution Replace the outdoor fan motor Reconnect the connector or fan motor lead wires Replace the stop valve Replace the outdoor heat exchanger thermistor Replace the outdoor unit PCB main PCB Replace the electronic expansion valv...

Страница 94: ...oltage before compressor start up is below 50 V Supposed Causes Broken or disconnected 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 R22772 YES Turn off the power Then turn on the power to restart the system YES NO Replace the harness Replace the outdoor unit PCB main PCB Is t...

Страница 95: ...h the position detection circuit Error Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes without any other error Supposed Causes Power supply voltage is not as specified Disconnection of the compressor harness Defective compressor Defective outdoor unit PCB Start up failure caused by the closed stop valve Input voltage is outside t...

Страница 96: ... Check with the inverter analyzer 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 main PCB Correct the power supply or replace the outdoor unit PCB main PCB Replace the compressor Reconnect the electrical components or compressor harness...

Страница 97: ...mpressor running frequency and the input current Error Decision Conditions 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 unit PCB Troubleshooting Replace the outdoor unit PCB main PCB Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be ...

Страница 98: ... 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 Thermistor corresponding to the error code is defective Defective heat exchanger thermistor in the case of J3 error outdoor heat exchanger thermistor in cooling operation or indoor heat exchanger thermistor in heating operatio...

Страница 99: ...tor s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Cooling Outdoor heat exchanger temperature Heating Indoor heat exchanger temperature Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB main PCB Error displayed again on remote controller Indoor heat exchanger thermistor functioning Check No 01 Check ...

Страница 100: ...outdoor unit PCB Troubleshooting Check No 17 Refer to P 101 Check No 19 Refer to P 102 A C B C C C 98 75 83 Caution WARNING To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C C The outdoor fan stops when the radiation fin temperature drops below B C R21436 YES NO YES NG NO OK NO YES Turn off the power Then turn on the power to restart the syst...

Страница 101: ...e radiation fin after replacing the outdoor unit PCB Troubleshooting Check No 17 Refer to P 101 Check No 19 Refer to P 102 Note Refer to Silicone Grease on Power Transistor Diode Bridge on page 112 for details A C B C 98 78 Caution Turn off the power Then turn on the power to restart the system Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damag...

Страница 102: ...A rotation 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 without any other error Supposed Causes Poor installation condition Closed stop valve Defective power module Wrong internal wiring Abnorma...

Страница 103: ...k the power supply voltage Monitor the power supply voltage discharge and suction pressures and other factors for a long term Possible causes Momentary drop of power supply voltage Compressor overload Short circuit Check the installation condition Check with the inverter analyzer Check the power module Not a malfunction Keep observing Check the connectors and other components Fully open the stop v...

Страница 104: ...CB remove the thermistor and measure the resistance The data is for reference purpose only Thermistor temperature C Resistance kΩ Room temperature thermistor Other thermistors 20 73 4 197 8 15 57 0 148 2 10 44 7 112 1 5 35 3 85 60 0 28 2 65 93 5 22 6 51 14 10 18 3 39 99 15 14 8 31 52 20 12 1 25 02 25 10 0 20 00 30 8 2 16 10 35 6 9 13 04 40 5 8 10 62 45 4 9 8 707 50 4 1 7 176 R25 C 10 kΩ B 3435 K R...

Страница 105: ...l voltage check 1 Check the connector for connection 2 Check the motor control voltage is generated between the pins 2 3 Rotation pulse check 1 Check the connector for connection 2 Turn the power on and stop the operation 3 Check if the Hall IC generates the rotation pulse 4 times when the fan motor is manually rotated once between the pins 1 3 R11979 12 11 10 9 8 7 6 5 4 3 2 1 Phase U Free pin Fr...

Страница 106: ... to check the electronic expansion valve EV 1 Check if the EV connector is correctly connected to the PCB 2 Turn the power off and on again and check if the EV generates a latching sound 3 If the EV does not generate a latching sound in the above step 2 disconnect the connector and check the continuity using a multimeter 4 Check the continuity between the pins 1 6 2 6 3 6 4 6 If there is no contin...

Страница 107: ...oil Cooling Dry Not energized Heating Energized Replace the outdoor unit PCB main 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 Time Compressor ON Refrigerant system check Check for refrigerant leakage See the service diagnosis on refrigerant sh...

Страница 108: ...re to turn the power off Step 2 Install an inverter analyzer instead of a compressor Note Make sure the charged voltage of the built in smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work Reference If the terminals of the compressor are not FASTON terminals difficult to remove the wire on the terminals it is possible to connect wires available on site to ...

Страница 109: ... according to 6 LEDs lighting status 1 If all the LEDs are lit uniformly the compressor is defective Replace the compressor 2 If the LEDs are not lit uniformly check the power module Refer to Check No 22 3 If NG in Check No 22 replace the power module Replace the main PCB The power module is united with the main PCB If OK in Check No 22 check if there is any solder cracking on the PCB 4 If any sol...

Страница 110: ...etween the pins 10 11 is 15 VDC 2 Check if the Hall IC generates the rotation pulse 0 15 VDC 4 times between the pins 10 12 10 13 when the fan motor is manually rotated once 13 12 11 10 9 8 7 6 5 4 3 2 1 S70 Phase U Control voltage 15 VDC Phase V Phase W HU Hall IC HV Hall IC Free pin Free pin Free pin Free pin Free pin Free pin R19957 ...

Страница 111: ...y dirty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Check the outdoor temperature The outdoor temperature should be within the operation range Change the installation location or direction R19385 YES YES YES NO NO NO NO YES Is the air filter or indoor outdoor heat exchanger dirty Is the connection pipe deformed Is the...

Страница 112: ...the resistance is or less than 1 kΩ short circuit occurs on the main circuit RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Reconnect the connector Is the outdoor fan running Fan motor lead wire connector disconnected Go to Check No 16 Positive terminal of digital multimeter 2 3 4 2 3 1 Negative terminal of ...

Страница 113: ...nector press the protrusion on the connector Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multimeter Evaluate the measurement results referring to the following table R20698 1 2 3 4 Multimeter Positive terminal of digital multimeter Power module UVW Power module UVW Negative terminal of digital multimeter UVW ...

Страница 114: ...SiBE041134EB 104 Service Diagnosis RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B RXS20 25L3V1B ARXS25L3V1B R20794 V U W DC Power module DC Power module Pin 24 Pin 23 U Pin 22 V Pin 21 W Pin 20 R20703 ...

Страница 115: ... 2 Forced Cooling Operation 107 3 Trial Operation 108 4 Field Settings 109 4 1 Model Type Setting 109 4 2 When 2 Units are installed in 1 Room 109 4 3 Standby Electricity Saving 110 4 4 Facility Setting Cooling at Low Outdoor Temperature 110 4 5 Jumper Settings 111 5 Silicone Grease on Power Transistor Diode Bridge 112 ...

Страница 116: ...e unit Detail 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 10 minutes close the liquid stop valve with a hexagonal wrench 4 After 2 3 minutes close the gas stop valve and stop the forced cooling operation Refer to page 107 for forced cooling operation Gas stop valve Valve cap Close Liquid stop valve Service port R13628 Hex...

Страница 117: ...ON OFF button SW1 on the indoor unit for 5 seconds 2 Press the forced cooling operation ON OFF button SW1 on the outdoor unit within around 3 minutes after power is supplied RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B only Command frequency 58 Hz End The forced cooling operation ends when any of the following conditions are fulfilled 1 The operation ends automatically after 15 minutes 2 ...

Страница 118: ...rature 30 C Trial operation may be disabled in either operation mode depending on the room temperature After trial operation is complete set the temperature to a normal level 26 C 28 C in cooling 20 C 24 C in heating operation For protection the system does not start for 3 minutes after it is turned off ARC466 Series 1 Press the On Off button to turn on the system 2 Press the center of the Temp bu...

Страница 119: ... 2 indoor units are installed in 1 room 1 of the 2 indoor units and the corresponding wireless remote controller can be set for different addresses Both the indoor unit PCB and the wireless remote controller need alteration Indoor Unit PCB Cut the address setting jumper JA on the control PCB Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessary for electronic circuit...

Страница 120: ...ipment such as computer Never use it in a residence or office the space where there is a human Detail RXS20 25K2V1B RXS20 25K3V1B RXS20 25L2V1B ARXS25L2V1B You can expand the operation range to 15 C by cutting the jumper J4 on the outdoor unit PCB Note that the operation may stop if the outdoor temperature drops below 15 C If the outdoor temperature rises the operation starts again Main PCB Cautio...

Страница 121: ...ry setting When cut Fan speed setting when compressor stops for thermostat OFF effective only in cooling operation JB Fan speed setting Remote controller setting The fan stops Power failure recovery function JC Auto restart The unit does not resume operation after recovering from a power failure Timer settings are cleared Function Jumper Switch OFF Jumper connected factory setting Switch ON Jumper...

Страница 122: ... bridge Detail 1 Wipe off the old silicone grease completely 2 Apply the silicone grease evenly See the illustrations below for examples of application 3 Tighten the screws of the power transistor diode bridge 4 Make sure that the heat radiation parts are firmly contacted to the radiation fin Note Smoke emission may be caused by bad heat radiation when the silicone grease is not appropriately appl...

Страница 123: ...SiBE041134EB Appendix 113 Part 8 Appendix 1 Piping Diagrams 114 1 1 Indoor Unit 114 1 2 Outdoor Unit 115 2 Wiring Diagrams 116 2 1 Indoor Unit 116 2 2 Outdoor Unit 118 ...

Страница 124: ...T 7 0 CuT 7 0 CuT 7 0 CuT CROSS FLOW FAN M FAN MOTOR 9 5 CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH FIELD PIPING 6 4 CuT FIELD PIPING 9 5 CuT 4D058926V Field piping Field piping 9 5CuT 6 4CuT Crossflow fan Fan motor 7 0CuT 7 0CuT 7 0CuT 7 0CuT 4 8CuT Indoor unit 9 5CuT M Heat exchanger Refrigerant flow Cooling Heating Thermistor heat exchanger 4D092258 ...

Страница 125: ...R MUFFLER WITH FILTER MUFFLER WITH FILTER MUFFLER WITH FILTER LIQUID STOP VALVE GAS STOP VALVE DISCHARGE PIPE THERMISTOR FOUR WAY VALVE ON HEATING φ 4 0 ID 2 0CuT 3D059586W Outdoor unit Heat exchanger Heat exchanger thermistor Muffler with filter Muffler with filter Motor operated valve Muffler with filter 7 0 CuT 7 0 CuT 9 5CuT 4 8 CuT 4 8 CuT 4 8 CuT 4 8 CuT 6 4 CuT 6 4 CuT 6 4 CuT φ4 0xID 2 0Cu...

Страница 126: ...03 1 6 9 12 S32 S25 S200 S6 INDOOR BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK YLW BLK BLK BLK BLK BLK BLK BLK BLU RED BLK WHT ORG S36 4 1 1 6 S601 S602 M M t M1S M1F PCB 3 R2T NOTE S21 PCB 4 OPTION SIGNAL RECEIVER WIRELESS REMOTE CONTROLLER TRANSMISSION CIRCUIT F1U 3 15A NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN FG1 FG2 F1U H1 H3 ...

Страница 127: ...reen YLW Yellow ORG Orange BLU Blue LED2 LED3 H2P H3P 6 BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK ORG YLW BLU RED 1 2 1 3 BLK WHT 12 1 7 10 1 3 BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK 1 10 C102 C103 C104 MR10 BLK BLK BLK BLK BLK BLK BLK BLK PCB4 S21 S602 1 4 M M1F t MR10 V1 R1T R2T C101 C104 SR IES Z1C Z2C Terminal strip Magnetic relay Varistor Thermistor Capacitor Signal receiver Intelligent Eye se...

Страница 128: ...ED BLU BLU BLK BLK BLK BLK BLK BLK ORG BRN RED BLU BLK ORG WHT YLW WHT YLW 4 1 2 1 t t t 3 1 Y1R S80 X12A M S110 V Q1L U R1T R2T R3T W SW1 BLK BLK Y1E OUTDOOR DISCHARGE M1F M1C PCB3 CONDENSER 1 REFER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS C5 C6 C119 DB1 DB2 DB3 FU1 FU2 FU3 IPM1 IPM2 L L1 L1R M1C M1F MRCW MR30 MRM10 MRM20 N Q1L CAPACITOR DIODE BRIDGE FUSE INTELLIGENT POWER MODULE LIVE COIL REA...

Страница 129: ...0 V150 MRCW C400 1 3 HL1 HN1 MR30 2 Outdoor Outdoor Condenser Discharge Indoor 3 V V FU1 FU2 FU3 L1 L1R HL1 HN1 E1 E2 HR1 HR2 X12A S MR30_A MR30_B R1T R2T R3T S20 S30 S40 S50 S71 S80 S90 V2 V3 V150 C400 C405 L Z1C Z2C Z3C M1F MRCW MR30 MRM10 N Fuse Coil Reactor Connection Thermistor Connector Varistor Capacitor Live Ferrite core Power supply Fan motor Magnetic relay Neutral DB1 Diode bridge X1M Te...

Страница 130: ...tents 02 2012 SiBE041134 First edition 12 2012 SiBE041134_A Model addition RXS20 25K3V1B 12 2015 SiBE041134EB Model addition FTXS20 25K3V1B ATXS25K2V1B ATXS25K3V1B RXS20 25L2V1B RXS20 25L3V1B ARXS25L2V1B ARXS25L3V1B Part 6 7 pp 54 112 Reference only ...

Страница 131: ...ies supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the user s manual carefully before using this product The user s manual provides important safety instructio...

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