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Service
Manual

Inverter Pair

Wall Mounted Type
FTK(X)N-N, FTK(X)-N Series

SiUS041501E

[Applied Models]

Inverter Pair : Cooling Only

Inverter Pair : Heat Pump

Содержание FTKN09NMVJU

Страница 1: ...Service Manual Inverter Pair Wall Mounted Type FTK X N N FTK X N Series SiUS041501E Applied Models z Inverter Pair Cooling Only z Inverter Pair Heat Pump...

Страница 2: ...JU FTKN18NMVJU FTK18NMVJU FTKN24NMVJU FTK24NMVJU Outdoor Unit RKN09NMVJU RK09NMVJU RKN12NMVJU RK12NMVJU RKN18NMVJU RK18NMVJU RKN24NMVJU RK24NMVJU zHeat Pump Indoor Unit FTXN09NMVJU FTX09NMVJU FTXN12NM...

Страница 3: ...tion and Control 22 1 Main Functions 23 1 1 Temperature Control 23 1 2 Frequency Principle 23 1 3 Airflow Direction Control 25 1 4 Fan Speed Control for Indoor Unit 26 1 5 Program Dry Operation 27 1 6...

Страница 4: ...8 4 8 Unspecified Voltage Between Indoor Unit and Outdoor Unit 70 4 9 Outdoor Unit PCB Abnormality 71 4 10 OL Activation Compressor Overload 72 4 11 Compressor Lock 74 4 12 DC Fan Lock 75 4 13 Input O...

Страница 5: ...1 Pump Down Operation 103 1 2 Forced Cooling Operation 103 2 Trial Operation 104 3 Field Settings 105 3 1 Temperature Display Switch 105 3 2 When 2 Units are Installed in 1 Room 106 3 3 Facility Setti...

Страница 6: ...Warning Do not store the equipment in a room with successive fire sources e g naked flame gas appliance electric heater Be sure to disconnect the power cable plug from the plug socket before disassemb...

Страница 7: ...equipment failure Do not mix air or gas other than the specified refrigerant R 32 R 410A R 22 in the refrigerant system If air enters the refrigerating system an excessively high pressure results caus...

Страница 8: ...er cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires may cause an electrical shock excessive heat generation or fire Do not use a joined power cable o...

Страница 9: ...m leaking into the room The refrigerant gas itself is harmless but it may generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When relocating the equipment mak...

Страница 10: ...t Corroded installation platform or frame may cause the unit to fall resulting in injury Check the earth grounding and repair it if the equipment is not properly earthed grounded Improper earth ground...

Страница 11: ...ion is used when there is danger that the reader through incorrect manipulation may damage equipment lose data get an unexpected result or has to restart part of a procedure Note Note A Note provides...

Страница 12: ...SiUS041501E 1 List of Functions Part 1 List of Functions 1 Functions 2...

Страница 13: ...iring error check function Wide angle louvers vertical blade z z Anti corrosion treatment of outdoor heat exchanger z z Auto swing up and down z z Auto swing right and left Flexibility Multi split spl...

Страница 14: ...error check function Wide angle louvers vertical blade z z Anti corrosion treatment of outdoor heat exchanger z z Auto swing up and down z z Auto swing right and left Flexibility Multi split split typ...

Страница 15: ...eck function Wide angle louvers vertical blade z z Anti corrosion treatment of outdoor heat exchanger z z Auto swing up and down z z Auto swing right and left Flexibility Multi split split type compat...

Страница 16: ...eck function Wide angle louvers vertical blade z z Anti corrosion treatment of outdoor heat exchanger z z Auto swing up and down z z Auto swing right and left Flexibility Multi split split type compat...

Страница 17: ...SiUS041501E Specifications 6 Part 2 Specifications 1 Specifications 7 1 1 Cooling Only 7 1 2 Heat Pump 11...

Страница 18: ...Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 23 0 21 0 27 0 24 Power Consumption Rated W 25 25 29 29 Power Factor Rated 52 3 51 8 51 6 52 5 Temperature Co...

Страница 19: ...vable Washable Mildew Proof Running Current Rated A 0 43 0 39 0 43 0 39 Power Consumption Rated W 58 58 58 58 Power Factor Rated 64 8 64 7 64 8 64 7 Temperature Control Microcomputer Control Microcomp...

Страница 20: ...e Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 25 0 23 0 28 0 25 Power Consumption Rated W 28 28 31 31 Power Factor Rated 53 8 52 9 53 2 53 9 Temperature Control Microcompute...

Страница 21: ...w Proof Removable Washable Mildew Proof Running Current Rated A 0 43 0 39 0 43 0 39 Power Consumption Rated W 58 58 58 58 Power Factor Rated 64 8 64 7 64 8 64 7 Temperature Control Microcomputer Contr...

Страница 22: ...Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 23 0 21 0 23 0 21 0 27 0 24 0 25 0 23 Power Consumption Rated W 25...

Страница 23: ...Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 43 0 39 0 32 0 29 0 43 0 39 0 43 0 39 Power Consumption Rated W 58 58 43 43 58 58 58 58 Power Fact...

Страница 24: ...tal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 25 0 23 0 23 0 21 0 28 0 25 0 25 0 23 Power Consumption Rated W 28 28 25 25 31 31 28 2...

Страница 25: ...ownward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 43 0 39 0 43 0 39 0 43 0 39 0 43 0 39 Power Consumption Rated W 58 58 58 58 58 58 58 58 Pow...

Страница 26: ...t Board Connector Wiring Diagram Part 3 Printed Circuit Board Connector Wiring Diagram 1 Indoor Unit 16 1 1 09 12 Class 16 1 2 18 24 Class 18 2 Outdoor Unit 20 2 1 09 12 Class RKN18NMVJU 20 2 2 RXN18N...

Страница 27: ...trol PCB PCB1 1 S6 Connector for swing motor horizontal blade 2 S26 Connector for display PCB 3 S32 Connector for indoor heat exchanger thermistor 4 S200 Connector for DC fan motor 5 H1 H2 H3 FG Conne...

Страница 28: ...re the names on the appropriate wiring diagram 1 S27 Connector for control PCB 2 SW1 S1W Forced cooling operation ON OFF button Refer to page 103 for detail 3 LED1 H1P LED for operation green 4 LED2 H...

Страница 29: ...m 18 1 2 18 24 Class Control PCB PCB2 1 S6 Connector for swing motor horizontal blade 2 S26 Connector for display PCB 3 S32 Connector for indoor heat exchanger thermistor 4 S200 Connector for DC fan m...

Страница 30: ...board 2 S800 Connector for control PCB 3 FG HE Connector for ground 4 FU1 Fuse 3 15 A 250 V 5 V2 Varistor 3P380932 1 FG S800 V2 HE S100 FU1 1 S27 Connector for control PCB 2 SW1 S1W Forced cooling ope...

Страница 31: ...protector 4 S71 Connector for DC fan motor 5 S80 Connector for four way valve coil heat pump model only 6 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 7 HL1...

Страница 32: ...ctor 3 S70 Connector for DC fan motor 4 S80 Connector for four way valve coil heat pump model only 5 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 HL1 HN1 S...

Страница 33: ...CONO Operation 30 1 10 Inverter POWERFUL Operation 31 1 11 Other Functions 32 2 Function of Thermistor 33 3 Control Specification 34 3 1 Mode Hierarchy 34 3 2 Frequency Control 35 3 3 Controls at Mode...

Страница 34: ...s 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 ada...

Страница 35: ...g Once 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 freque...

Страница 36: ...rects 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 distribu...

Страница 37: ...le 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 tempe...

Страница 38: ...emperature 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 r...

Страница 39: ...emperature Tt Ts 18 30 C 64 4 86 F 2 The target temperature Tt is calculated as Tt Ts C where C is the correction value C 0 C 0 F 3 Thermostat ON OFF point and operation mode switching point are as fo...

Страница 40: ...em 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 10 minutes D...

Страница 41: ...ty 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 acti...

Страница 42: ...ation in cooling Note POWERFUL operation cannot be used together with ECONO or COMFORT AIRFLOW operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C 64 4 F DRY Dry rotating speed...

Страница 43: ...N 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 Forced cooling operation Forced cooling op...

Страница 44: ...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 discon...

Страница 45: ...cooling operation R19505 Air conditioner control mode Forced operation mode Forced cooling operation for pump down operation Power transistor test mode Normal operation mode Fan Cooling includes dryin...

Страница 46: ...a 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 s...

Страница 47: ...sampling time 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 cert...

Страница 48: ...n temperature 85 C 185 F OFF condition Discharge pipe temperature 2 C 35 6 F Radiation fin temperature 90 C 194 F Control B ON condition Discharge pipe temperature 10 C 50 0 F Radiation fin temperatur...

Страница 49: ...imit of frequency keeps A Hz for B seconds with any conditions 1 through 4 above When the outdoor temperature is above C C in heating the frequency decreases depending on the outdoor temperature 3 3 4...

Страница 50: ...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 u...

Страница 51: ...eaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled RK X N series RK X series Limitation of current dropping and stop value according to...

Страница 52: ...on is judged with the indoor heat exchanger temperature R21660 Reset zone Indoor heat exchanger thermistor temperature Up zone Keep zone Dropping zone Stop zone 13 C 55 4 F Reference 7 C 44 6 F 5 C 41...

Страница 53: ...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...

Страница 54: ...ve 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 09 class 12 class 18...

Страница 55: ...ischarge 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...

Страница 56: ...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 7 Di...

Страница 57: ...electronic expansion valve opening is adjusted so that the actual discharge pipe temperature becomes close to the target discharge pipe temperature Indirect SH superheating control using the discharg...

Страница 58: ...temperature thermistor 3 12 2 Detection of Overcurrent and Overload Outline An excessive output current is detected and the OL temperature is observed to protect the compressor Detail If the OL compre...

Страница 59: ...SiUS041501E Remote Controller 48 Part 5 Remote Controller 1 Cooling Only 49 2 Heat Pump 51...

Страница 60: ...ings In this illustration each section is shown with all its displays on for the purpose of explanation FTKN N Series ARC480A7 FTK N Series ARC480A9 R21662 Signal transmitter To use the remote control...

Страница 61: ...MFORT AIRFLOW operation ON TIMER button Adjusts the ON TIMER setting The timer can be set 1 12 hours In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY...

Страница 62: ...stration each section is shown with all its displays on for the purpose of explanation R21814 Signal transmitter To use the remote controller aim the transmitter at the indoor unit If there is anythin...

Страница 63: ...2 button Starts COMFORT AIRFLOW operation ON TIMER button Adjusts the ON TIMER setting The timer can be set 1 12 hours In indoor unit quiet operation operation sound becomes weak The airflow rate als...

Страница 64: ...4 11 Compressor Lock 74 4 12 DC Fan Lock 75 4 13 Input Overcurrent Detection 76 4 14 Four Way Valve Abnormality 77 4 15 Discharge Pipe Temperature Control 79 4 16 High Pressure Control in Cooling 80 4...

Страница 65: ...SiUS041501E Service Diagnosis 54 5 13 Power Module Check 100...

Страница 66: ...amp OFF Check the outdoor temperature Heating operation cannot be used when the outdoor temperature is 18 CWB 64 4 FWB or higher and cooling operation cannot be used when the outdoor temperature is be...

Страница 67: ...ctions 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 2 2 Outdoor Unit The outdoor unit...

Страница 68: ...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 a...

Страница 69: ...5C is displayed on the LCD 2 Select 5C service check with the TEMP or TEMP button 3 Press the FAN button to enter the service check mode 00 is displayed and the left side number blinks 4 Press the TE...

Страница 70: ...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...

Страница 71: ...related abnormality 65 C9 Room temperature thermistor or related abnormality 65 Outdoor Unit E1 Outdoor unit PCB abnormality 71 E5 OL activation compressor overload 72 E6 Compressor lock 74 E7 DC fan...

Страница 72: ...upply 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 matc...

Страница 73: ...eating operation the indoor heat exchanger temperature is above about 60 C 140 F depending on the model Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust accumulation on t...

Страница 74: ...fan motor 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 Supp...

Страница 75: ...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...

Страница 76: ...posed Causes Disconnection of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 91 C4 Indoor heat exchanger thermistor...

Страница 77: ...the model 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 th...

Страница 78: ...YES YES Reconnect the harness Check the power supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Precaution before turning on the power ag...

Страница 79: ...rmal 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...

Страница 80: ...ween the indoor unit and outdoor 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...

Страница 81: ...connected 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...

Страница 82: ...ary drop of voltage Momentary power failure Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Continuously ON or OFF Bl...

Страница 83: ...wn 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...

Страница 84: ...e the 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...

Страница 85: ...he 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 sy...

Страница 86: ...n Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 97 R21669 Caution YES YES NO YES NO NO YES NO NO Turn on the power Rotate the fan YES Check No 16 Check the rota...

Страница 87: ...k No 18 Refer to P 98 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 t...

Страница 88: ...ndition continues over 10 minutes after operating for 5 minutes Cooling Dry A B 5 C A B 9 F Heating B A 5 C B A 9 F A Room thermistor temperature B Indoor heat exchanger temperature If the error repea...

Страница 89: ...st 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 va...

Страница 90: ...thermistor or outdoor temperature thermistor Defective electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoo...

Страница 91: ...t Error Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rise above 59 62 C 138 2 143 6 F depending on the model The error is cleared when the temperature drops belo...

Страница 92: ...unit PCB main PCB Replace the electronic expansion valve or the coil Replace the outdoor unit PCB main PCB Change the installation location or direction Clean the outdoor heat exchanger Check the inst...

Страница 93: ...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...

Страница 94: ...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...

Страница 95: ...short circuit of the diode bridge Check No 15 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 Electric...

Страница 96: ...ower 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...

Страница 97: ...r s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Cooling Outdoor heat exchanger temperature Heating Indoor heat exchanger tem...

Страница 98: ...ubleshooting Check No 17 Refer to P 98 Check No 19 Refer to P 99 A B C C F C F C F 09 12 class RKN18NMVJU 82 179 6 65 149 70 158 RXN18NMVJU RK X 18NMVJU 24 class 90 194 64 147 2 81 177 8 Caution WARNI...

Страница 99: ...r unit PCB Troubleshooting Check No 17 Refer to P 98 Check No 19 Refer to P 99 Note Refer to Silicon Grease on Power Transistor Diode Bridge on page 108 for detail A B C F C F 09 12 class RKN18NMVJU 9...

Страница 100: ...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 sh...

Страница 101: ...he same error occurs Check 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 vo...

Страница 102: ...d measure the resistance Thermistor temperature Resistance k C F Room temperature thermistor Other thermistors 20 4 73 4 197 8 15 5 57 0 148 2 10 14 44 7 112 1 5 23 35 3 85 60 0 32 28 2 65 93 5 41 22...

Страница 103: ...ge 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...

Страница 104: ...r is correctly connected to the PCB 2 Turn the power off and on again and check to see if the EV generates a latching sound 3 If the EV does not generate a latching sound in the above step 2 disconnec...

Страница 105: ...g Dry Defrost 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 S80 voltage a...

Страница 106: ...e sure to turn off the power 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 be...

Страница 107: ...le 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...

Страница 108: ...2 4 is 0 6 5 VDC 5 Keep operation off and power off Connect the connector S70 or S71 6 Check whether 4 rotation pulses 0 15 VDC are input at the pins 1 4 when the fan motor is rotated 1 turn by hand...

Страница 109: ...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 tempe...

Страница 110: ...the table below If the resistance is or less than 1 k short circuit occurs on the main circuit 09 12 class RKN18NMVJU R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan syst...

Страница 111: ...the connector 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 Ev...

Страница 112: ...Check SiUS041501E 101 Service Diagnosis 09 12 class RKN18NMVJU RXN18NMVJU RK X 18NMVJU 24 class Pin 24 Pin 23 U Pin 22 V Pin 21 W Pin 20 R20703 R20704 W V U DC_P1 DC_N1...

Страница 113: ...Pump Down Operation 103 1 2 Forced Cooling Operation 103 2 Trial Operation 104 3 Field Settings 105 3 1 Temperature Display Switch 105 3 2 When 2 Units are Installed in 1 Room 106 3 3 Facility Setting...

Страница 114: ...alve Service port R13628 Hexagonal wrench Item Forced Cooling Conditions The forced cooling operation is allowed when both the following conditions are met 1 The outdoor unit is not abnormal and not i...

Страница 115: ...F 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 28 C 78 82 F in cooling 20 24 C...

Страница 116: ...splay Switch You can select Fahrenheit or Celsius for temperature display Press the TEMP and ON TIMER buttons simultaneously for 5 seconds to change the unit of temperature display You can also change...

Страница 117: ...ss jumper 3 Press the center of the TEMP button and the OFF button on the remote controller at the same time 4 Select A address setting with the TEMP or TEMP button 5 Press the FAN button to enter the...

Страница 118: ...the operation starts again For the location of the jumper refer to page 20 21 Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessary for electronic circuit Improper oper...

Страница 119: ...bridge Detail 1 Wipe off the old silicon grease completely 2 Apply the silicon grease evenly See the illustrations below for examples of application 3 Tighten the screws of the power transistor diode...

Страница 120: ...SiUS041501E 109 Appendix Part 8 Appendix 1 Piping Diagrams 110 1 1 Indoor unit 110 1 2 Outdoor Unit 112 2 Wiring Diagrams 118 2 1 Indoor Unit 118 2 2 Outdoor Unit 119...

Страница 121: ...INDOOR UNIT HEAT EXCHANGER 1 4 CuT CROSS FLOW FAN M FAN MOTOR 3 8 CuT REFRIGERANT FLOW COOLING THERMISTOR ON HEAT EXCH SINGLE UNION JOINT SINGLE UNION JOINT FIELD PIPING 1 4 CuT FIELD PIPING 3 8 CuT 4...

Страница 122: ...1 4 CuT CROSS FLOW FAN M FAN MOTOR 3 8 CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH SINGLE UNION JOINT SINGLE UNION JOINT FIELD PIPING 1 4 CuT FIELD PIPING 3 8 CuT 4D091708A INDOOR UN...

Страница 123: ...THERMISTOR HEAT EXCHANGER 9 32 CuT 9 32 CuT 3 8 CuT OUTDOOR TEMPERATURE THERMISTOR 3 8 CuT 5 16 CuT DISCHARGE PIPE THERMISTOR FOUR WAY VALVE 3D092245 OUTDOOR UNIT HEAT EXCHANGER 9 32 CuT 9 32 CuT 3 8...

Страница 124: ...TER MUFFLER WITH FILTER ELECTRONIC EXPANSION VALVE OUTDOOR AIR THERMISTOR FIELD PIPING 1 4 CuT FIELD PIPING 1 2 CuT 3D092219 OUTDOOR UNIT HEAT EXCHANGER 9 32 CuT 9 32 CuT 9 32 CuT 1 2 CuT 9 32 CuT 1 4...

Страница 125: ...2 CuT 9 32 CuT 9 32 CuT 1 2 CuT 9 32 CuT 5 16 CuT 5 16 CuT DISCHARGE PIPE THERMISTOR FOUR WAY VALVE 3D092223 OUTDOOR UNIT MUFFLER MUFFLER ACCUMULATOR COMPRESSOR FIELD PIPING 1 4 CuT FIELD PIPING 5 8 C...

Страница 126: ...ITH FILTER MOTOR OPERATED VALVE HEAT EXCHANGER THERMISTOR FOUR WAY VALVE ON HEATING DISCHARGE PIPE THERMISTOR OUTDOOR TEMPERATURE THERMISTOR OUTDOOR UNIT HEAT EXCHANGER 9 32 CuT 9 32 CuT 3 8 CuT 3 16...

Страница 127: ...VALVE MUFFLER WITH FILTER OUTDOOR AIR THERMISTOR HEAT EXCHANGER THERMISTOR FOUR WAY VALVE ON HEATING DISCHARGE PIPE THERMISTOR 3D092220 OUTDOOR UNIT HEAT EXCHANGER M 1 4 CuT MUFFLER 1 4 CuT MUFFLER 1...

Страница 128: ...MPRESSOR 1 4 CuT 1 2 CuT FIELD PIPING 1 4 CuT FIELD PIPING 5 8 CuT GAS STOP VALVE WITH SERVICE PORT LIQUID STOP VALVE 1 4 CuT STRAINER LIQUID RECEIVER ELECTRONIC EXPANSION VALVE MUFFLER WITH FILTER RE...

Страница 129: ...G MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR S1W X1M V2 MR10 OPERATION SWITCH TERMINAL STRIP VARISTOR RELAY C 3D086429B Z2C N 2 FG PCB1 FIELD WIRING GRN CAUTION GRN MR10 HE GRN YLW L301 3 MR10 2...

Страница 130: ...RONIC EXPANSION VALVE COIL REVERSING SOLENOID VALVE COIL FERRITE CORE NOISE FILTER PROTECTIVE GROUND R1T OUTDOOR R3T DISCHARGE R2T CONDENSER C 3D089069 IPM1 X1M DB1 L1R MRM10 HR2 HL1 HR1 BLK BRN 1 L1...

Страница 131: ...t t MS M Y1S Q1L Y1E M1C M1F N 5 Z3C FU3 30A FU2 3 15A Z1C N 4 MS 3 FU1 3 15A N 4 Z2C IN CASE OF HEAT PUMP TYPE R1T OUTDOOR R3T DISCHARGE R2T CONDENSER C7 DB1 FU1 FU2 FU3 IPM1 L1 L2 M1C M1F MRM10 MRM...

Страница 132: ...Revision History Month Year Version Revised contents 03 2015 SiUS041501E First edition...

Страница 133: ...thorized 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...

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