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Troubleshooting

SiBE041213E

Service Diagnosis

4.21 Thermistor or Related Abnormality (Outdoor Unit)

Error Code

Method of Error
Detection

This fault is identified based on the thermistor input voltage to the microcomputer.
A thermistor fault is identified based on the temperature sensed by each thermistor.

Error Decision
Conditions

The thermistor input voltage is above 4.96 V or below 0.04 V with the power on.

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

error (outdoor heat exchanger

thermistor in cooling operation, or indoor heat exchanger thermistor in heating operation)

Defective outdoor unit PCB

Troubleshooting

In case of “

”

Replace the outdoor unit PCB.

: Radiation fin thermistor

Caution

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

Содержание FTXS35K2V1B

Страница 1: ...Service Manual Inverter Pair Wall Mounted Type K Series SiBE041213E Applied Models O Inverter Pair Heat Pump...

Страница 2: ...ll Mounted Type K Series zHeat Pump Indoor Unit FTXS35K2V1B FTXS42K2V1B FTXS50K2V1B Outdoor Unit RXS35K2V1B RXS42K2V1B RXS50K2V1B The removal procedure for each model is separately bound Refer to page...

Страница 3: ...Operation 19 1 6 Automatic Operation 20 1 7 Thermostat Control 21 1 8 NIGHT SET Mode 22 1 9 Inverter POWERFUL Operation 23 1 10 ECONO Operation 23 1 11 2 Area INTELLIGENT EYE Operation 24 1 12 Clock...

Страница 4: ...mpressor Lock 74 4 13 DC Fan Lock 75 4 14 Input Overcurrent Detection 76 4 15 Four Way Valve Abnormality 77 4 16 Discharge Pipe Temperature Control 79 4 17 High Pressure Control in Cooling 80 4 18 Com...

Страница 5: ...Installed in 1 Room 107 3 2 Model Type Setting 107 3 3 Standby Electricity Saving 108 3 4 Facility Setting Jumper cooling at low outdoor temperature 108 3 5 Jumper Settings 110 4 Silicon Grease on Po...

Страница 6: ...of Workers 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 befor...

Страница 7: ...2 in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury Warning Caution Do not repair the electrical components with...

Страница 8: ...eration 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 instruc...

Страница 9: ...ducted 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 has dust or loo...

Страница 10: ...rounded Improper grounding may cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 M or higher Faulty insulation may cause an...

Страница 11: ...evertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get...

Страница 12: ...SiBE041213E 1 List of Functions Part 1 List of Functions 1 Functions 2...

Страница 13: ...Horizontal auto swing right and left z Anti corrosion treatment of outdoor heat exchanger z 3 D airflow z COMFORT AIRFLOW operation z Flexibility Multi split split type compatible indoor unit z Comfor...

Страница 14: ...SiBE041213E 3 Specifications Part 2 Specifications 1 Specifications 4...

Страница 15: ...Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 12 0 12 0 11 0 13 0 13 0 12 0 11 0 11 0 11 0 14 0 14 0 13 Power Consumption Rated W 26 26 26 28 28 28 24 24 24 30 30 30...

Страница 16: ...ter Removable Washable Mildew Proof Running Current A 0 12 0 12 0 11 0 15 0 14 0 14 Power Consumption W 26 26 26 32 32 32 Power Factor 98 5 94 2 98 5 97 0 99 4 95 2 Temperature Control Microcomputer C...

Страница 17: ...SiBE041213E Printed Circuit Board Connector Wiring Diagram 6 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Indoor Unit 7 2 Outdoor Unit 9 2 1 RXS35K2V1B 9 2 2 RXS42K2V1B 11 2 3 RXS50K2V1B 12...

Страница 18: ...for INTELLIGENT EYE sensor PCB 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector f...

Страница 19: ...PCB 3P210728 1 S48 1 S49 Connector for control PCB 2 SW1 Forced cooling operation ON OFF button Refer to page 104 for detail 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...nector for four way valve coil 5 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 U V W Connector for compressor 7 HL1 HN1 S Connector for terminal board 8 E E...

Страница 23: ...S40 Connector for overload protector 5 S50 Connector for magnetic relay 6 S70 Connector for fan motor 7 S80 Connector for four way valve coil 8 S90 Connector for thermistors outdoor temperature outdo...

Страница 24: ...terminal board 3 E1 E2 Terminal for earth wire 4 HL2 HN2 Connector for HL3 HN3 on main PCB 5 HL4 HN4 Connector for S12 on main PCB 6 FU1 Fuse 3 15 A 250 V 7 FU3 Fuse 30 A 250 V 8 V2 V3 Varistor 9 SW1...

Страница 25: ...ion 23 1 11 2 Area INTELLIGENT EYE Operation 24 1 12 Clock Setting 26 1 13 WEEKLY TIMER Operation 27 1 14 Other Functions 33 2 Function of Thermistor 34 3 Control Specification 35 3 1 Mode Hierarchy 3...

Страница 26: ...y the following 2 parameters The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperature Additional Control Parameters The target...

Страница 27: ...cooling 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...

Страница 28: ...rflow Alternative repetition of vertical and horizontal swing motions enables uniform air conditioning of the entire room This function is effective for starting the air conditioner When the horizonta...

Страница 29: ...s range when the FAN 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...

Страница 30: ...emperature at start up and 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 le...

Страница 31: ...et 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 mod...

Страница 32: ...after being 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...

Страница 33: ...omatically raises the target temperature slightly in the case of cooling or lowers it slightly in the case of heating This prevents excessive cooling in summer and excessive heating in winter to ensur...

Страница 34: ...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 unit is running Pressing the ON OFF but...

Страница 35: ...he indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20 msec 10 200 msec and when the ON signal continues 3 sec it judges...

Страница 36: ...Shift the airflow direction to area B left side 2 Detection signal ON in area A Shift the airflow direction to area B left side 3 Detection signal ON in area B Shift the airflow direction to area A r...

Страница 37: ...r button to set the clock to the current day of the week 3 Press the CLOCK button blinks 4 Press the SELECT or button to set the clock to the present time Holding down the SELECT or button increases o...

Страница 38: ...27 C 25 C ON ON OFF OFF ON OFF OFF ON Program 1 Program 2 Program 3 Program 4 Example The same timer settings are made for the week from Monday through Friday while different timer settings are made f...

Страница 39: ...IMER OFF TIMER blank 5 Press 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 r...

Страница 40: ...re 9 Press Display 10 Press to complete the setting The time can be set between 0 00 and 23 50 in 10 minute intervals To return to the ON OFF TIMER mode setting press Go to step 9 when setting the OFF...

Страница 41: ...de once can be copied to another day of the week The whole reservation of the selected day of the week will be copied Tuesday to Friday 2 Press to confirm the day of the week to be copied 4 Press to s...

Страница 42: ...KLY TIMER operation Confirming a reservation The reservation can be confirmed Setting Displays Normal Confirmation 1 Press The day of the week and the reservation number of the current day will be dis...

Страница 43: ...rotational sequence The reservation will be no setting with selecting blank The selected reservation will be deleted If there are still other reservations WEEKLY TIMER operation will be activated Thi...

Страница 44: ...e refers to the following table Forced cooling operation Forced cooling operation can be started by pressing the ON OFF button for 5 to 9 seconds while the unit is not operating Refer to page 104 for...

Страница 45: ...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 46: ...rmined in the following order of priority 1 Limiting defrost control time 2 Forced cooling 3 Indoor frequency command Air conditioner control mode Forced operation mode Forced cooling operation for pu...

Страница 47: ...olume airflow rate and other factors PI Control Determine Frequency Up Down by D Signal 1 P control The D value is calculated in each sampling time 15 20 seconds and the frequency is adjusted accordin...

Страница 48: ...e pipe temperature C C Radiation fin temperature 90 C Control II ON condition Discharge pipe temperature D C OFF condition Discharge pipe temperature E C Radiation fin temperature 90 C 3 3 2 Four Way...

Страница 49: ...g 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...

Страница 50: ...from rising 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 of fre...

Страница 51: ...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 zo...

Страница 52: ...e frequency upper limit to prevent abnormal high pressure Detail A C B C C C 9 5 7 5 5 5 R14718 Reset zone Indoor heat exchanger thermistor temperature Up zone Keep zone Dropping zone Stop zone 0 C C...

Страница 53: ...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 T...

Страница 54: ...inutes of accumulated time pass after 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...

Страница 55: ...n mode Cooling h h h h h h h h h h h h h h h h h Heating h h h h h h h h h h h h h h h h h h h Available Not available Starting control Control when the frequency changes Target discharge pipe tempera...

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

Страница 57: ...eration 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 Adjustment...

Страница 58: ...n If the power consumption is below the specified value and the frequency is higher than the specified frequency it is regarded as refrigerant shortage The power consumption is low comparing with that...

Страница 59: ...SiBE041213E Remote Controller 48 Part 5 Remote Controller 1 Remote Controller 49...

Страница 60: ...is button once to start operation Press once again to stop it TEMPERATURE adjustment buttons AUTO DRY COOL HEAT FAN 18 30 C Not available 18 32 C 10 30 C Not available Displays the current settings In...

Страница 61: ...ou press the SWING button again Press this button and adjust the day and time with the SELECT button Press this button again to complete TIMER setting R18929 WEEKLY button PROGRAM button COPY button B...

Страница 62: ...n Lock 75 4 14 Input Overcurrent Detection 76 4 15 Four Way Valve Abnormality 77 4 16 Discharge Pipe Temperature Control 79 4 17 High Pressure Control in Cooling 80 4 18 Compressor System Sensor Abnor...

Страница 63: ...e 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 Service Monito...

Страница 64: ...OFF Check the outdoor temperature Heating operation cannot be used when the outdoor temperature is 18 CWB or higher and cooling operation cannot be used when the outdoor temperature is below 10 CDB D...

Страница 65: ...n 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 No...

Страница 66: ...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 67: ...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 68: ...ty 62 C9 Room temperature thermistor or related abnormality 62 Outdoor Unit E1 Outdoor unit PCB abnormality 70 E5 OL activation compressor overload 72 E6 Compressor lock 74 E7 DC fan lock 75 E8 Input...

Страница 69: ...ck the connection of connectors See Note Correct the connection OK Check the power supply voltage Start operation Voltage as rated Error repeats Check the power supply voltage Start operation Voltage...

Страница 70: ...eating peak cut 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...

Страница 71: ...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 72: ...pply voltage 310 340 VDC generated Is the motor control voltage 15 VDC generated Turn off the power supply and rotate the fan by hand Turn the power on and start operation Be sure to turn off the powe...

Страница 73: ...ed Causes Disconnection of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 92 C4 Indoor heat exchanger thermistor C9...

Страница 74: ...conds Opening of the electronic expansion valve D Discharge pipe temperature E target discharge pipe temperature F Refrigerant shortage detection III 35 class only When the difference of the temperatu...

Страница 75: ...e pipe flare or replace the union Check the power transistor harness for loosening Correct it as required Also replace the cracked pipe Check the pipes for improper contact and correct them as require...

Страница 76: ...detection The voltage detected by the DC voltage detection circuit is below 150 180 V depending on the model The compressor stops if the error occurs and restarts automatically after 3 minute standby...

Страница 77: ...ltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Repeat a few times Precaution before turning on the power again Make sure the power has been off...

Страница 78: ...cked whether it is 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 Reduction of power supply vol...

Страница 79: ...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 outdoor unit PCB Be...

Страница 80: ...cting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R11707 Caution NO YES YES YES NO NO Check the code numbers 2P01234 fo...

Страница 81: ...ry fall of voltage Momentary power failure Troubleshooting 35 50 class Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged NO YES YES R16...

Страница 82: ...eplace the outdoor unit PCB Replace the harness Check to see if the outdoor unit is grounded Is LED A blinking Grounded NO Replace the connecting wires between the indoor and outdoor units Check the v...

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: ...ce the discharge pipe thermistor Replace the electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB Replace the four way valve or the coil Re...

Страница 85: ...rror Supposed Causes Compressor locked Compressor harness disconnected Troubleshooting Check No 15 Refer to P 95 Turn off the power Disconnect the harnesses U V and W R18317 Caution NO YES YES NO NO Y...

Страница 86: ...Disconnection of the fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 97 R15675 Caution YES YES NO YES NO NO YES NO Turn...

Страница 87: ...r 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 the system is...

Страница 88: ...over 1 10 minutes depending on the model after operating for 5 10 minutes depending on the model Cooling Dry A B 5 C Heating B A 5 C A Room thermistor temperature B Indoor heat exchanger temperature I...

Страница 89: ...gged Reconnect the thermistor s Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R15824 Refrigerant shortage Water mixed Stop valve Fo...

Страница 90: ...refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 92 Check No 12 Refer to P 93 Check No 14 Refer to P 94 A C B C 1 above 45 Hz rising above 40 Hz dropp...

Страница 91: ...efective outdoor unit PCB Troubleshooting Check No 01 Refer to P 92 Check No 12 Refer to P 93 Check No 17 Refer to P 98 Check No 18 Refer to P 98 Check No 19 Refer to P 99 R15667 Caution Replace the o...

Страница 92: ...oltage value The DC voltage 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 swi...

Страница 93: ...ion circuit Error Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes 35 42 class or 5 minutes 50 class without any other error Suppose...

Страница 94: ...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...

Страница 95: ...ed on the compressor 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 othe...

Страница 96: ...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 err...

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

Страница 98: ...tive outdoor unit PCB Troubleshooting Check No 17 Refer to P 98 Check No 19 Refer to P 99 A C B C C C 35 class 98 75 83 42 class 80 70 75 50 class 122 64 113 Caution WARNING To cool the electrical com...

Страница 99: ...or 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 minutes without any...

Страница 100: ...eck 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 the PCB been replaced Check if silicon grease is applied...

Страница 101: ...g 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 i...

Страница 102: ...es Turn on the power again and start operation Turn off the power and turn it on again to start the system See if the same error occurs Check the power supply voltage Monitor the power supply voltage...

Страница 103: ...ted on a PCB remove the PCB from the control PCB to measure the resistance When the connector of indoor heat exchanger thermistor is soldered on the PCB remove the thermistor and measure the resistanc...

Страница 104: ...owings to check the electronic expansion valve EV 1 Check to see if the EV connector is correctly connected to the PCB 2 Turn the power off and on again and check to see if the EV generates a latching...

Страница 105: ...l 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 220 24...

Страница 106: ...ged 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 difficu...

Страница 107: ...pressor 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 pow...

Страница 108: ...heck 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 t...

Страница 109: ...y 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 temperatu...

Страница 110: ...stance is or less than 1 k short circuit occurs on the main circuit 35 class R15001 YES YES NO NO Outdoor fan system is functioning Check the outdoor fan system Go to Check No 16 Outdoor fan running F...

Страница 111: ...SiBE041213E Check Service Diagnosis 100 42 class 50 class R12266 Tester 1 2 3 4 Tester 1 2 3 4 R14700...

Страница 112: ...nnector Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multi tester Evaluate the measurement results referring to...

Страница 113: ...SiBE041213E Check Service Diagnosis 102 42 class 50 class R18241 Power module Power module R16692...

Страница 114: ...ced Cooling Operation 104 2 Trial Operation 106 3 Field Settings 107 3 1 When 2 Units are Installed in 1 Room 107 3 2 Model Type Setting 107 3 3 Standby Electricity Saving 108 3 4 Facility Setting Jum...

Страница 115: ...are met 1 The outdoor unit is not abnormal and not in the 3 minute standby mode 2 The outdoor unit is not operating Start The forced cooling operation starts when any of the following conditions is fu...

Страница 116: ...terminal board It has a high voltage and may cause electric shock Note 42 class models have no forced cooling operation ON OFF button on the outdoor unit PCB Carry out forced cooling operation from i...

Страница 117: ...that all functions and parts such as flap movement are working properly Note The air conditioner requires a small amount of power in standby mode If the system is not to be used for some time after in...

Страница 118: ...box 4 Cut the address setting jumper JA on the PCB Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessary for electronic circuit Improper operation may occur if you cut a...

Страница 119: ...lass Caution Before connecting or disconnecting the selective connector for standby electricity saving make sure that the main power supply is turned OFF 3 4 Facility Setting Jumper cooling at low out...

Страница 120: ...exposed to direct wind provide a windbreak wall 2 Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings 3 Do not place humidifi...

Страница 121: ...connected factory set Jumper cut Fan speed setting when compressor stops for thermostat OFF effective only in cooling operation JB Fan speed setting Remote controller setting Fan speed setting 0 The...

Страница 122: ...etail 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 bridge 4...

Страница 123: ...iBE041213E Appendix 112 Part 8 Appendix 1 Piping Diagrams 113 1 1 Indoor Unit 113 1 2 Outdoor Unit 113 2 Wiring Diagrams 115 2 1 Indoor Unit 115 2 2 Outdoor Unit 115 3 Removal Procedure Booklet No 117...

Страница 124: ...NG FIELD PIPING 6 4CuT FIELD PIPING 12 7CuT THERMISTOR ON HEAT EXCH 4D058898G OUTDOOR UNIT HEAT EXCHANGER 7 0CuT 7 0CuT 9 5CuT EV 4 8CuT 6 4CuT 6 4CuT 4 8CuT M PROPELLER FAN 9 5CuT 9 5CuT 6 4CuT 7 9Cu...

Страница 125: ...E PIPE THERMISTOR FOUR WAY VALVE ON HEATING 3D059590D OUTDOOR UNIT HEAT EXCHANGER 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 12 7CuT CAPILLARY TUBE 1 CAPILLARY TUBE 2 CAPILLARY TUBE 3 CAPILLARY TUBE 4 7 9CuT...

Страница 126: ...IPM1 FU3 Z3C X1M DB1 L1R HR1 20A HR2 AC1 L1 BRN L 1 BLK 1 MRM10 AC2 HN3 V2 WHT 2 N 2 DB2 HN2 C5 HA1 HA2 S BLU GRY 3 RED 3 HL3 C119 HL2 V3 ORG C6 FU1 L Q1 MR30 3 15A 1 WHT 1 V1 BLK N PCB2 DB3 BLK FU2...

Страница 127: ...RMISTOR SURGE ARRESTER IGBT V1 V3 V4 X1M Y1E Y1R Z1C Z2C Z3C Z4C S20 S40 S70 S80 S90 X11A BLK BLACK BLU BLUE BRN BROWN GRN GREEN ORG ORANGE RED RED WHT WHITE YLW YELLOW VARISTOR TERMINAL STRIP ELECTRO...

Страница 128: ...BE041213E 117 Appendix 3 Removal Procedure Booklet No Refer to the following booklets for removal procedure FTXS35 42 50K2V1B Refer to Si041259 RXS35K2V1B Refer to Si001273 RXS42K2V1B Refer to Si00127...

Страница 129: ...Revision History Month Year Version Revised contents 05 2013 SiBE041213E First edition...

Страница 130: ...ries 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 acce...

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Содержание FTXS35K2V1B

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