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Service
Manual

[Applied Models]

Inverter Pair : Heat Pump

Inverter Pair

Wall Mounted Type J-Series

SiBE041012_A

Содержание Super Multi NX FTXG25JV1BW

Страница 1: ...Service Manual Applied Models z Inverter Pair Heat Pump Inverter Pair Wall Mounted Type J Series SiBE041012_A...

Страница 2: ...le of Contents Inverter Pair Wall Mounted Type J Series zHeat Pump Indoor Unit FTXG25JV1BW FTXG25JV1BS FTXG35JV1BW FTXG35JV1BS FTXG50JV1BW FTXG50JV1BS Outdoor Unit RXG25J2V1B RXG25K2V1B RXG35J2V1B RXG...

Страница 3: ...23 1 6 Program Dry Operation 24 1 7 Automatic Operation 25 1 8 Thermostat Control 26 1 9 NIGHT SET Mode 27 1 10 ECONO Operation 28 1 11 INTELLIGENT EYE Operation 29 1 12 Inverter POWERFUL Operation 3...

Страница 4: ...87 4 7 Signal Transmission Error between Indoor Unit and Outdoor Unit 88 4 8 Unspecified Voltage between Indoor Unit and Outdoor Unit 90 4 9 Outdoor Unit PCB Abnormality 91 4 10 OL Activation Compres...

Страница 5: ...trical Box 148 1 8 Removal of PCBs 151 1 9 Removal of Swing Motors 157 1 10 Removal of Indoor Heat Exchanger 158 1 11 Removal of Fan Rotor Fan Motor 161 1 12 Removal of Vertical Blade ASSYs 164 2 Outd...

Страница 6: ...223 4 3 Jumper and Switch Settings 223 5 Application of Silicon Grease to a Power Transistor and a Diode Bridge 224 Part 9 Appendix 225 1 Piping Diagrams 226 1 1 Indoor Unit 226 1 2 Outdoor Unit 226...

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 shock If it is necessary to su...

Страница 8: ...ctrical 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...

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 t...

Страница 10: ...ent 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 o...

Страница 11: ...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 Ca...

Страница 12: ...SiBE041012_A 1 List of Functions Part 1 List of Functions 1 Functions 2...

Страница 13: ...e z 3 D Airflow Self Diagnosis Digital LED Display z COMFORT AIRFLOW Operation z Wiring Error Check Function Comfort Control Auto Fan Speed z Anti Corrosion Treatment of Outdoor Heat Exchanger z Indoo...

Страница 14: ...Failure z z 3 D Airflow Self Diagnosis Digital LED Display z z COMFORT AIRFLOW Operation z z Wiring Error Check Function Comfort Control Auto Fan Speed z z Anti Corrosion Treatment of Outdoor Heat Ex...

Страница 15: ...SiBE041012_A Specifications 4 Part 2 Specifications 1 Specifications 5...

Страница 16: ...ter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 09 0 08 0 08 0 12 0 11 0 11 0 09 0 08 0 08 0 12 0 11 0 11 Power Consumption Rated W 18 18 18 24 24 24 18 1...

Страница 17: ...emovable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 13 0 12 0 12 0 16 0 15 0 14 0 13 0 12 0 12 0 16 0 15 0 14 Power Consumption Rated W 26 26 26 32 32 32 26 26 26...

Страница 18: ...vable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 09 0 08 0 08 0 12 0 11 0 11 0 09 0 08 0 08 0 12 0 11 0 11 Power Consumption Rated W 18 18 18 24 24 24 18 18 18 24...

Страница 19: ...Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 13 0 12 0 12 0 16 0 15 0 14 0 13 0 12 0 12 0 16 0 15 0 14 Power Consumption Rated W 26 26 26 32 32 32 26 26 26...

Страница 20: ...ble Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 16 0 15 0 14 0 19 0 18 0 17 0 16 0 15 0 14 0 19 0 18 0 17 Power Consumption Rated W 32 32 32 38 38 38 32 32 32 38 38 38 Power...

Страница 21: ...BE041012_A Printed Circuit Board Connector Wiring Diagram 10 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Indoor Unit 11 2 Outdoor Unit 14 2 1 RXG25 35J2V1B RXG25 35K2V1B 14 2 2 RXG50K2V1B...

Страница 22: ...nd limit switch 6 S46 Connector for signal receiver display PCB 7 S200 Connector for fan motor 8 H1 H2 H3 FG Connector for terminal board 9 JB Fan speed setting when compressor stops for thermostat OF...

Страница 23: ...SiBE041012_A Indoor Unit Printed Circuit Board Connector Wiring Diagram 12 PCB Detail PCB 1 Control PCB S42 S41 S32 JB JC S200 H3 H2 FG S46 S21 S25 LED A V1 F1U H1 2P254830 1...

Страница 24: ...Indoor Unit SiBE041012_A 13 Printed Circuit Board Connector Wiring Diagram PCB 3 INTELLIGENT EYE Sensor PCB PCB 2 Signal Receiver Display PCB S52 S51 S1W JA H2P H1P 3P254832 1 S36 3P255914 1...

Страница 25: ...2 S20 Connector for electronic 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 S9...

Страница 26: ...gram PCB Detail PCB 1 Filter PCB PCB 2 Main PCB PCB 3 Forced Cooling Operation Switch PCB HR1 HL2 3P254234 1 FU1 HN2 S FU3 AC2 E1 E2 AC1 S11 V3 V2 S50 on main PCB S10 J5 S90 FU2 S100 S50 2P254206 4 2P...

Страница 27: ...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...

Страница 28: ...nted Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Main PCB PCB 2 Service Monitor PCB V3 V11 AC1 FU2 E1 E2 FU3 W 2P282217 1 S40 S20 S80 V U S70 S90 S51 S10 AC2 S101 V5 V6 V2 FU1 HR1 HR2 S102...

Страница 29: ...O Operation 28 1 11 INTELLIGENT EYE Operation 29 1 12 Inverter POWERFUL Operation 30 1 13 Other Functions 32 2 Function of Thermistor 33 3 Control Specification 34 3 1 Mode Hierarchy 34 3 2 Frequency...

Страница 30: ...et 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...

Страница 31: ...ooling 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 f...

Страница 32: ...low Timing Chart 1 Opening the front panel fully Start Running 2 Output of the D signal after the front panel starts moving 4 Making the fan rotate when the flap passes over the fan banned area 3 Open...

Страница 33: ...During heating mode the large flap directs airflow downwards 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 t...

Страница 34: ...following drawing explains the principle of fan speed control for cooling In automatic fan speed operation upper limit is at M tap in 30 minutes from the operation start Heating On heating mode the fa...

Страница 35: ...mperature 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...

Страница 36: ...rection 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 po...

Страница 37: ...g 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 zon...

Страница 38: ...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...

Страница 39: ...eless remote controller by pushing the ECONO button When this function is activated the maximum capacity also decreases ECONO operation can only be set when the unit is running Pressing the ON OFF but...

Страница 40: ...motions for example in cooling When a microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature shifted from the targ...

Страница 41: ...n be monitored even in automatic operation in accordance with the mode of actual operation The lamp color changes according to the operation AUTO Red Blue DRY Green COOL Blue HEAT Red FAN White TIMER...

Страница 42: ...C is displayed on the LCD 2 Select L light with the Temp or button 3 Press the Mode button to enter the brightness setting mode 4 Press the Temp or button to adjust the brightness of the multi colored...

Страница 43: ...d by pressing the ON OFF button for 5 to 9 seconds while the unit is not operating Refer to page 219 for detail Note When the ON OFF button is pressed for 10 seconds or more the forced cooling operati...

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: ...ation mode 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 cool...

Страница 46: ...upper limit frequency among the frequency upper limits of the following functions Compressor protection input current discharge pipe temperature heating peak cut freeze up protection defrost 3 Determi...

Страница 47: ...quency does not change for more than a certain fixed time the frequency is 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...

Страница 48: ...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 Dischar...

Страница 49: ...xed time Detail Starting Conditions 1 When starting compressor for heating 2 When the operation mode changes from heating to cooling 3 When starting compressor for defrosting 4 When starting compresso...

Страница 50: ...ature from going up further Detail 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...

Страница 51: ...ropping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is pulled down by 2 Hz every second until it reaches the keep zone Keep...

Страница 52: ...mperature determines the frequency upper limit to prevent abnormal high pressure Detail R14644 Reset zone Indoor heat exchanger thermistor temperature Up zone Keep zone Dropping zone Stop zone 0 C 5 C...

Страница 53: ...ormal operation 5 Fan control while forced cooling operation The outdoor fan is controlled as well as normal operation while the forced cooling operation 6 Fan speed control for POWERFUL operation The...

Страница 54: ...ration The compressor operates for 6 minutes More than A minutes of accumulated time pass since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgme...

Страница 55: ...e by the outdoor electronic expansion valve control h function not function Under defrost control Cooling Starting control h Control when the frequency changes h h Target discharge pipe temperature co...

Страница 56: ...ing defrosting 3 11 4 Starting Operation Control The outdoor electronic expansion valve opening is controlled when the operation starts and prevents the superheating or liquid compression 3 11 5 Contr...

Страница 57: ...en 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 A...

Страница 58: ...y it is regarded as refrigerant shortage The power consumption is low comparing with that in the normal operation when refrigerant is insufficient and refrigerant shortage is detected by checking a po...

Страница 59: ...2 2 AUTO DRY COOL HEAT FAN Operation 54 2 3 Adjusting the Airflow Direction and Rate 56 2 4 COMFORT AIRFLOW Operation 58 2 5 INTELLIGENT EYE Operation 59 2 6 POWERFUL Operation 61 2 7 OUTDOOR UNIT QU...

Страница 60: ...ll and how to use it efficiently Providing instructions to the user can reduce requests for servicing by 80 However proficient the installation and operating functions of the air conditioning system a...

Страница 61: ...unit receives a signal you will hear a beep sound Signal receiver Operation start Setting changed Operation stop Sound type beep beep beep long beep Indoor unit ON OFF switch Press this switch once to...

Страница 62: ...Titanium apatite photocatalytic air purifying filter Outdoor Unit Appearance of the outdoor unit may differ from some models Air inlet back and side Air outlet Refrigerant piping and inter unit wirin...

Страница 63: ...tacles within 50cm under the signal receiver Such obstacles if any may have an adverse influence on the reception performance of the receiver and the reception distance may be shortened It selects the...

Страница 64: ...Page 21 22 TIMER CANCEL button Page 21 22 23 It changes the ON OFF TIMER and WEEKLY TIMER settings SELECT button CLOCK button ON TIMER button Page 23 Page 22 WEEKLY TIMER operation Page 16 INTELLIGENT...

Страница 65: ...ded if the outdoor temperature is high The computer chip works to rid the room of humidity while maintaining the temperature as much as possible It automatically controls temperature and airflow rate...

Страница 66: ...may work to stop the operation of the outdoor unit only Condensation may occur on the indoor unit and drip A safety device may work to stop the operation A safety device may work to stop the operation...

Страница 67: ...laps are in auto swing mode Press when the flaps have reached the desired position disappears from the LCD To adjust the louvers at desired position Hold the knob and move the louvers You will find a...

Страница 68: ...Always use a remote controller to adjust the angles of the flaps If you attempt to move it forcibly with hand when it is swinging the mechanism may be broken Be careful when adjusting the louvers Ins...

Страница 69: ...up HEAT The flaps will go down To cancel COMFORT AIRFLOW operation Press again The flaps will return to the memory position from before COMFORT AIRFLOW operation disappears from the LCD COOL operatio...

Страница 70: ...sor which detects the human movement If nobody in the room for more than 20 minutes the operation automatically changes to energy saving operation To start INTELLIGENT EYE operation Press is displayed...

Страница 71: ...ure 2 C in HEAT 2 C in COOL 1 C in DRY operation from set temperature This operation decreases the airflow rate slightly in FAN operation only Energy saving operation Do not place large objects near t...

Страница 72: ...ed together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT 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...

Страница 73: ...evel of the outdoor unit will be lower This is convenient when you need to consideration for your neighborhood This function is available in COOL HEAT and AUTO operation This is not available in FAN a...

Страница 74: ...O operation From start up until set temperature is reached Time The maximum power consumption of the air conditioner is limited by using ECONO operation The circuit breaker will hardly trip even if th...

Страница 75: ...etting rapidly 3 Press again and setting time are displayed on the LCD The multi monitor lamp blinks twice The TIMER lamp periodically lights orange Page 5 To cancel OFF TIMER operation and setting ti...

Страница 76: ...like Each pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press again Page 5 and setting time are displayed on...

Страница 77: ...Friday while different timer settings are made for the weekend Tuesday to Friday Page 24 Program 1 ON Program 2 OFF Program 3 ON Program 4 OFF Program 1 ON Program 1 ON Program 2 OFF Program 2 OFF Pr...

Страница 78: ...FF Program 3 ON Program 4 OFF 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 2 Press to select the desired day of the week and...

Страница 79: ...ration The next reservation screen will appear To continue further settings repeat the procedure from step 4 The multi monitor lamp blinks twice The TIMER lamp periodically lights orange The multi mon...

Страница 80: ...4 OFF Tuesday to Friday 2 Press to confirm the day of the week to be copied Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and flashing the multi monitor...

Страница 81: ...plays 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 To deactivate WEEKLY TIME...

Страница 82: ...leted All reservations Hold for 5 seconds while normal display 2 Press to select the day of the week and the reservation number to be deleted Pressing changes ON OFF TIMER mode Pressing alternates the...

Страница 83: ...ipe Temperature Control 99 4 16 High Pressure Control in Cooling 100 4 17 Compressor System Sensor Abnormality 101 4 18 Position Sensor Abnormality 103 4 19 DC Voltage Current Sensor Abnormality 25 35...

Страница 84: ...SiBE041012_A 73 Service Diagnosis 5 12 Main Circuit Short Check 131 5 13 Capacitor Voltage Check 132 5 14 Power Module Check 132...

Страница 85: ...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 Serv...

Страница 86: ...he outdoor temperature Heating operation cannot be used when the outdoor temperature is 24 C or higher and cooling operation cannot be used when the outdoor temperature is below 10 C RXG J Series or 1...

Страница 87: ...on 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 N...

Страница 88: ...tton at the same time 5C is displayed on the LCD 2 Select 5C service check with the Temp or button 3 Press the Mode button to enter the service check mode The left side number blinks 4 Press the Temp...

Страница 89: ...e Temp or 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 90: ...or related abnormality 86 Outdoor Unit E1 Outdoor unit PCB abnormality 91 E5 OL activation compressor overload 93 E6 Compressor lock 94 E7 DC fan lock 95 E8 Input overcurrent detection 96 EA Four way...

Страница 91: ...Malfunction Detection The system checks if the circuit works properly within the microcomputer of the indoor unit Malfunction Decision Conditions The system cannot set the internal settings Supposed C...

Страница 92: ...rt operation Voltage as rated Error repeats Error repeats YES NO NO YES NO NO YES R15270 Caution To secure the connection once disconnect the connector and then reconnect it YES NO YES NO YES NO YES M...

Страница 93: ...ing 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 Free...

Страница 94: ...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 accumul...

Страница 95: ...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 m...

Страница 96: ...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...

Страница 97: ...mpressor operation Supposed Causes Disconnection of connector Defective thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 123 C4 Indoor heat exchanger thermistor C9 Room temp...

Страница 98: ...ont panel 3 Turn on the power Wait until the initialization finishes 4 Operate the unit by the indoor unit ON OFF button YES YES YES YES NO NO NO NO Replace the harness and reduction motor Replace the...

Страница 99: ...it outdoor unit signal transmission is checked whether it is normal Malfunction Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnorm...

Страница 100: ...n wires Diagnose the outdoor unit PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any disturbance Is there any wiring error Chec...

Страница 101: ...iring 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 numb...

Страница 102: ...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...

Страница 103: ...r 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 disconnecti...

Страница 104: ...valve Troubleshooting Check No 01 Refer to P 123 Check No 12 Refer to P 125 Check No 13 Refer to P 126 Check No 14 Refer to P 126 R14438 Caution YES NG Discharge pipe thermistor NO OK OK NG Refrigera...

Страница 105: ...any other error Supposed Causes Compressor locked Compressor harness disconnected Troubleshooting Check No 15 Refer to P 127 Turn off the power Disconnect the harnesses U V and W R15272 Caution NO YES...

Страница 106: ...rror Supposed Causes Disconnection of the fan motor Foreign matters stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 129 R14410 Caution YES YES NO...

Страница 107: ...r to P 130 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 i...

Страница 108: ...ditions 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...

Страница 109: ...ct in position Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R14441 Refrigerant shortage Water mixed Stop valve Four way valve coil...

Страница 110: ...t shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 123 Check No 12 Refer to P 125 Check No 14 Refer t...

Страница 111: ...istor Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 123 Check No 12 Refer to P 125 Check No 17 Refer to P 130 Check No 18 Refer to P 130 Check No 19 Refer to P 131 R14413 Caution R...

Страница 112: ...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...

Страница 113: ...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...

Страница 114: ...ng 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...

Страница 115: ...NO YES YES NO YES YES Check No 20 Check the short circuit of the diode bridge Check No 15 Check with the inverter checker Turn off the power Disconnect the harnesses U V and W Turn on the power Check...

Страница 116: ...pply Voltage as rated R15276 NO NO YES NO YES YES Check No 15 Check with the inverter checker Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor v...

Страница 117: ...or running frequency and the input current Malfunction Decision Conditions The compressor running frequency is above 52 Hz If the error repeats the system is shut down Reset condition Continuous run f...

Страница 118: ...running 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 the sys...

Страница 119: ...hen turn on the power again 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 ran...

Страница 120: ...ith 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 thermisto...

Страница 121: ...exchanger temperature Heating Indoor heat exchanger temperature Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB Error displayed again on remote controller Indoor heat exchang...

Страница 122: ...itions With the compressor off the radiation fin temperature is above A C The error is cleared when the radiation fin temperature drops below B C To cool the electrical components the outdoor fan star...

Страница 123: ...f the power and turn it on again Check the radiation fin temperature Check No 17 Check the installation condition Radiation fin dirty Above A C Check No 19 Check the outdoor fan or related Error again...

Страница 124: ...ure with the compressor on is above A C The error is cleared when the radiation fin temperature drops below B C If the error repeats the system is shut down Reset condition Continuous run for about 60...

Страница 125: ...eck No 17 Check the installation condition NO YES YES Above A C Radiation fin dirty Check No 19 Check the outdoor fan or related Error displayed again Has PCB been replaced Check if the silicon grease...

Страница 126: ...e 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 rep...

Страница 127: ...22 Check the power module Check No 17 Check the installation condition Check No 15 Check with the inverter checker Turn off the power and disconnect the harnesses U V and W Turn off the power and reco...

Страница 128: ...mperature tends to rise Refrigerant shortage detection III Refrigerant shortage is detected by checking the difference between suction and discharge temperature Malfunction Decision Conditions Refrige...

Страница 129: ...nnection 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...

Страница 130: ...the 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...

Страница 131: ...tion in approximately 10 seconds Outdoor Unit Low 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 vo...

Страница 132: ...ors or parts may be damaged NO NO YES NO YES YES Reconnect it Check the power supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Repeat a f...

Страница 133: ...hen 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 Troublesh...

Страница 134: ...perature and resistance is 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 temp...

Страница 135: ...ns 4 1 5 3 Power Supply Waveforms Check Check No 11 Measure the power supply waveform between No 1 and No 2 on the terminal board and check the waveform disturbance Check to see if the power supply wa...

Страница 136: ...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 2...

Страница 137: ...e 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 S80 voltage at 2...

Страница 138: ...he 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...

Страница 139: ...ck if there is any solder cracking on the PCB 4 If any solder cracking is found replace the PCB or repair the soldered section If there is no solder cracking replace the PCB Caution 1 When the output...

Страница 140: ...Check that the rotation command voltage between the pins 2 4 is 0 15 VDC 5 Keep operation off and power off Connect the connector S70 6 Check whether 2 pulses 0 15 VDC are output at the pins 1 4 when...

Страница 141: ...or 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...

Страница 142: ...f the resistance is or less than 1 k short circuit occurs on the main circuit R15281 YES YES NO NO Outdoor fan system is functioning Check the outdoor fan system Go to Check No 16 Outdoor fan running...

Страница 143: ...1 is approx 0 V before checking Disconnect the compressor harness connector from the outdoor unit PCB To disengage the connector press the protrusion on the connector Follow the procedure below to mea...

Страница 144: ...11 Removal of Fan Rotor Fan Motor 161 1 12 Removal of Vertical Blade ASSYs 164 2 Outdoor Unit 25 35 Class 165 2 1 Removal of Outer Panels Fan Motor 165 2 2 Removal of Electrical Box 174 2 3 Removal of...

Страница 145: ...earance feature When the signal receiver catches a signal from the remote controller it produces beep sound and the color of the lamp changes Refer to page 50 for detail 2 Remove the air filters 1 Ope...

Страница 146: ...re to insert the hooks at 2 lower positions when mounting the air filter 3 Remove the Titanium apatite photocatalytic air purifying filter The Titanium apatite photocatalytic air purifying filter is n...

Страница 147: ...protrusions and remove the Titanium apatite photocatalytic air purifying filter frame Remove the Titanium apatite photocatalytic air purifying filter 4 Remove the front panel 1 Open the front panel a...

Страница 148: ...Indoor Unit SiBE041012_A 137 Removal Procedure 2 Release the front panel locks on each side 3 Remove the front panel Step Procedure Points R12076 Front panel lock Right R12077 Left R12078...

Страница 149: ...after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the horizontal blade large 1 Bend the horizontal blade large slightly and release the center shaft 2 Relea...

Страница 150: ...orizontal blade small 1 Bend the horizontal blade small slightly and release the center shaft 2 Release the left shaft 3 Slide the horizontal blade small to the left and release the right shaft Step P...

Страница 151: ...g off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the decoration panel right 2 Open the decoration panel right Unfasten the 3 hooks and remove it 3 Remo...

Страница 152: ...A 141 Removal Procedure 5 Disconnect the relay connector for the reduction motor 6 Open the 2 screw covers with a flat screwdriver 7 Remove the 2 screws Step Procedure Points R12088 Relay connector Sc...

Страница 153: ...door Unit Removal Procedure 142 8 Remove the screw 9 Remove the screw 10 Unfasten the 3 hooks on the top of the front grille 11 Remove the front grille Step Procedure Points R12091 R12164 R12092 Front...

Страница 154: ...after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the front grille right 2 Remove the guide panel 3 Remove the front panel mechanism ASSY ri...

Страница 155: ...SiBE041012_A Indoor Unit Removal Procedure 144 4 Remove the shaft holder and the cover shaft 5 Remove the shaft Step Procedure Points Cover shaft Shaft holder R12097 R12098...

Страница 156: ...rocedure 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 display lens ASSY by turning it counterclockwi...

Страница 157: ...arning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Cut the clamp of the front panel mechanism ASSY right 2 Release the...

Страница 158: ...A 147 Removal Procedure 4 Remove the screw of the reduction motor 5 Remove the reduction motor by turning it counterclockwise 6 Remove the limit switch Step Procedure Points Reduction motor R12107 R12...

Страница 159: ...Use the a sharp tool such as an awl to unfasten the lower hooks 1 Unfasten the 2 hooks and remove the fan guard 2 Remove the electrical box Preparation Remove the front grille according to the Remova...

Страница 160: ...ure 3 Remove the screws and release the connecting wires 4 Remove the shield plate 5 Disconnect the connectors for the swing motors S41 and for the fan motor S200 Step Procedure Points R12113 Connecti...

Страница 161: ...e the harnesses 7 Remove the screw 8 Unfasten the 2 hooks and remove the electrical box There are 2 hooks on the bottom frame When reassembling fit the rear side of the electrical box to the hooks Ste...

Страница 162: ...fter turning off all power supplies before disassembling work Step Procedure Points 1 Unfasten the 4 hooks and remove the lamp cover ASSY from the electrical box 2 Turn over the lamp cover ASSY 3 Unfa...

Страница 163: ...4 Disconnect the connectors for the control PCB S51 and for the room temperature thermistor S52 Refer to page 13 for detail S51 control PCB S52 room temperature thermistor 5 Cut the clamp Step Procedu...

Страница 164: ...s from the hook 7 Unfasten the 3 hooks of the sensor ASSY with a flat screwdriver 8 Remove the sensor ASSY 9 Disconnect the connector S36 from the INTELLIGENT EYE sensor PCB Step Procedure Points R121...

Страница 165: ...BE041012_A Indoor Unit Removal Procedure 154 10 Cut the clamp 11 Remove the shield plate 12 Remove the screw of the terminal board Step Procedure Points R12129 Shield plate R12130 R12131 Terminal boar...

Страница 166: ...cedure 13 Pull out the terminals and remove the terminal board 14 Release the harnesses from the groove 15 Release the harnesses of the signal receiver display PCB r 16 Unfasten the 3 hooks Step Proce...

Страница 167: ...trol PCB Refer to page 12 for detail S21 HA connector S25 INTELLIGENT EYE sensor PCB S32 indoor heat exchanger thermistor S41 swing motors S42 reduction motor limit switch S46 signal receiver display...

Страница 168: ...e after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the swing motor Connector color Upper blade white Lower blade red 2 Remove the swing mot...

Страница 169: ...y be sucked in to generate an over pressure in refrigeration cycle thus resulting in pipe rupture or accidental injury Place a plastic sheet under the drain pan to prevent from wetting the floor with...

Страница 170: ...20 degrees Caution When dismounting or mounting the indoor heat exchanger be sure to wear gloves or wrap it with cloth before proceeding to the work You may be injured by the fins 3 Remove the 2 screw...

Страница 171: ...SiBE041012_A Indoor Unit Removal Procedure 160 5 Remove the indoor heat exchanger Step Procedure Points R12147 Indoor heat exchanger...

Страница 172: ...utes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the right side panel 1 Remove the screw You can remove the fan rotor without detaching the ri...

Страница 173: ...41012_A Indoor Unit Removal Procedure 162 2 Remove the fan motor fixing plate 3 Remove the fan rotor 4 Remove the bearing Step Procedure Points Fan motor fixing plate R12151 Fan rotor R12152 R12153 Be...

Страница 174: ...ssembling the fan motor and the fan rotor provide as much as 5 mm of play between the side face of the rotor and the bottom frame 1 Remove the screw and remove the fan motor Step Procedure Points R121...

Страница 175: ...tep Procedure Points 1 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver A vertical blade ASSY has 6 fins It is impossible to replace only one fin The vertical b...

Страница 176: ...es 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 w...

Страница 177: ...166 2 Remove the 2 screws 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 Top panel R7...

Страница 178: ...5 Class SiBE041012_A 167 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 R11825 Front...

Страница 179: ...Remove the 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 Proc...

Страница 180: ...lass SiBE041012_A 169 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...

Страница 181: ...Unit 25 35 Class Removal Procedure 170 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 fixin...

Страница 182: ...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...

Страница 183: ...al Procedure 172 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 P...

Страница 184: ...Class SiBE041012_A 173 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 Hoo...

Страница 185: ...upplies 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...

Страница 186: ...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 thermist...

Страница 187: ...Removal Procedure 176 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 R1...

Страница 188: ...l 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 electri...

Страница 189: ...tion 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...

Страница 190: ...Unit 25 35 Class SiBE041012_A 179 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 R11...

Страница 191: ...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 outdoo...

Страница 192: ...he main PCB Refer to page 15 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...

Страница 193: ...tdoor Unit 25 35 Class Removal Procedure 182 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...

Страница 194: ...Class SiBE041012_A 183 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...

Страница 195: ...SiBE041012_A Outdoor Unit 25 35 Class Removal Procedure 184 8 Feature of the filter PCB Refer to page 15 for detail Step Procedure Points R11878...

Страница 196: ...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 acc...

Страница 197: ...25 35 Class Removal Procedure 186 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 Proced...

Страница 198: ...e 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...

Страница 199: ...041012_A Outdoor Unit 25 35 Class Removal Procedure 188 4 Pull the sound blanket inner out 5 Pull the sound blanket bottom out Step Procedure Points R11887 Sound blanket inner Sound blanket bottom R11...

Страница 200: ...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...

Страница 201: ...ation 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 fo...

Страница 202: ...ting 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...

Страница 203: ...ironment 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 r...

Страница 204: ...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 th...

Страница 205: ...r 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 an...

Страница 206: ...e 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 R14...

Страница 207: ...e 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 reassemb...

Страница 208: ...moval 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 Proc...

Страница 209: ...rocedure 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 fa...

Страница 210: ...SiBE041012_A 199 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...

Страница 211: ...on 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 i...

Страница 212: ...e 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 outdo...

Страница 213: ...re 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 p...

Страница 214: ...ass SiBE041012_A 203 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 wire R5269 R527...

Страница 215: ...nsert the 2 hooks of the lower part and the 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...

Страница 216: ...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 rel...

Страница 217: ...2_A Outdoor Unit 50 Class Removal Procedure 206 13 Release the harness of the outdoor temperature thermistor from the hook 14 Lift and remove the electrical box Step Procedure Points R9403 R5279 Elect...

Страница 218: ...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 De...

Страница 219: ...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 Ste...

Страница 220: ...SiBE041012_A 209 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 17 for detail Step Procedure Points Main PCB R5287 R528...

Страница 221: ...s 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 r...

Страница 222: ...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 lo...

Страница 223: ...oration 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 belo...

Страница 224: ...he 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 e...

Страница 225: ...mpressor 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...

Страница 226: ...posed 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 v...

Страница 227: ...e 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 sawdus...

Страница 228: ...1 Pump Down Operation 218 2 Forced Cooling Operation 219 3 Trial Operation 221 4 Field Settings 222 4 1 When 2 Units are Installed in 1 Room 222 4 2 Standby Electricity Saving 223 4 3 Jumper and Swit...

Страница 229: ...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 to 10 minutes close the liquid stop valve with a hexagonal wrench 4 Aft...

Страница 230: ...operation ON OFF button S1W on the indoor unit for 5 seconds 2 Press the forced cooling operation ON OFF switch SW1 on the outdoor unit Command frequency 25 35 class 58 Hz 50 class 66 Hz End The forc...

Страница 231: ...SiBE041012_A Forced Cooling Operation Trial Operation and Field Settings 220 Outdoor Unit 50 class LED A SW4 ON A B CD S102 SW1 S2 R14963 Forced cooling operation ON OFF switch...

Страница 232: ...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 temperatu...

Страница 233: ...be set for different address Both the indoor unit PCB and the wireless remote controller need alteration Indoor Unit PCB 1 Remove the front panel and front grille 4 screws 2 Cut the address setting j...

Страница 234: ...witch refer to the following pages Indoor unit page 12 Outdoor unit page 15 17 1 2 3 1 2 3 R11820 Function OFF Function ON The standby electricity saving function is turned OFF before shipping Jumper...

Страница 235: ...n of the power transistor and the diode bridge Applying the paste should be implemented in accordance with the following instruction Note There is the possibility of failure with smoke in case of bad...

Страница 236: ...SiBE041012_A 225 Appendix Part 9 Appendix 1 Piping Diagrams 226 1 1 Indoor Unit 226 1 2 Outdoor Unit 226 2 Wiring Diagrams 228 2 1 Indoor Unit 228 2 2 Outdoor Unit 228...

Страница 237: ...IELD PIPING 12 7CuT 9 5CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH 4D065856B 7 9CuT 9 5CuT 7 9CuT 7 0CuT M HEAT EXCHANGER MUFFLER 6 4CuT FIELD PIPING 9 5CuT HEATING 6 4CuT FIELD PIPIN...

Страница 238: ...UBE 4 CAPILLARY TUBE 1 9 5CuT MUFFLER 9 5CuT 6 4CuT 12 7CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT FILTER RECEIVER FIELD PIPING FIELD PIPING REFRIGERANT FLOW 12 7 CuT 6 4 CuT HEATING COOLING 4 0CuT 4 0CuT 7 9CuT...

Страница 239: ...1M DB1 L1R HR1 20A HR2 AC1 L1 BRN L 1 BLK 1 MRM10 AC2 HN3 V2 WHT 2 2 N DB2 HN2 C5 HA2 HA1 S BLU GRY RED 3 3 HL3 C119 HL2 V3 ORG C6 FU1 L Q1 MR30 3 15A 1 WHT 1 V1 BLK N PCB2 DB3 BLK FU2 BLK 3 15A GRN Y...

Страница 240: ...S52 R1T PCB2 R2T R3T Y1R Y1E S2 SW4 SW1 outdoor Z1C Z5C FERRITE CORE X1M X2M TERMINAL STRIP Y1E ELECTRONIC EXPANSION VALVE COIL V2 V3 V5 V6 V11 VARISTOR SA2 SURGE ARRESTER FU1 FU2 FU3 FUSE AC1 AC2 U V...

Страница 241: ...Revision History Month Year Version Revised contents 04 2010 SiBE041012 06 2011 SiBE041012_A Model addition FTXG50JV1BW S RXG25 35 50K2V1B...

Страница 242: ...er s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retail...

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