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Daikin FTX-N Series, Руководство по обслуживанию

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SiUS091601EA

Troubleshooting for FDMQ Series

Part 6 Service Diagnosis

138

6. Troubleshooting for FDMQ Series

6.1  Indoor Unit PCB Abnormality

Error Code

A1

Method of Error 
Detection

The system checks the data from EEPROM.

Error Decision 
Conditions

When the data from the EEPROM is not received correctly

EEPROM (Electrically Erasable Programmable Read Only Memory): A memory chip that holds its 
content without power. It can be erased, either within the computer or externally and usually 
requires more voltage for erasure than the 5 volts used in logic circuits. It functions like 
non-volatile RAM, but writing to EEPROM is slower than writing to RAM.

Supposed 
Causes

Defective indoor unit PCB

External factor (noise etc.)

Troubleshooting

Caution

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

(R22247)

Normal?

Turn off the power. Then, turn on 
the power to restart the system.

NO

YES

External factor other than malfunction 
(for example, noise etc.)

Replace the indoor unit PCB 
(control PCB).

Содержание FTX-N Series

Страница 1: ...Applied Models Inverter Pair Heat Pump Service Manual SiUS091601EA Inverter Pair Wall Mounted Type FTX N U Series Floor Standing Type FVXS V Series Duct Connected Type FDMQ R Series...

Страница 2: ...12 15NVJU 28 1 5 FDMQ12 18 24RVJU 30 2 Wireless Remote Controller Receiver 32 2 1 BRC082A43 32 3 Wired Remote Controller 33 3 1 BRC1E73 33 4 Outdoor Unit 34 4 1 RXL09QMVJU 34 4 2 RXL12QMVJU 9 36 4 3 R...

Страница 3: ...ions 77 5 Control Specification 78 5 1 Mode Hierarchy 78 5 2 Frequency Control 78 5 3 Controls at Mode Changing Start up 80 5 4 Discharge Pipe Temperature Control 82 5 5 Input Current Control 83 5 6 F...

Страница 4: ...n or Over voltage Detection 146 6 9 Signal Transmission Error Between Indoor and Outdoor Unit 148 6 10 Signal Transmission Error Between Indoor Unit and Remote Controller 150 6 11 Signal Transmission...

Страница 5: ...on 199 3 Trial Operation 202 4 Field Settings for FTX FVXS Series 206 4 1 Temperature Display Switch 206 4 2 When 2 Units are Installed in 1 Room 207 4 3 Jumper and Switch Settings 209 5 Field Setting...

Страница 6: ...S091601EA 1 Introduction 1 Safety Cautions 2 1 1 Warnings and Cautions Regarding Safety of Workers 2 1 2 Warnings and Cautions Regarding Safety of Users 4 2 Icons Used 7 3 Revision History 8 Introduct...

Страница 7: ...truction is shown in the illustration or near the symbol 1 1 Warnings and Cautions Regarding Safety of Workers This manual is for the person in charge of maintenance and inspection Warning Do not stor...

Страница 8: ...nt The use of materials for R 22 refrigerant models may cause a serious accident such as a damage of refrigerant cycle or equipment failure Do not mix air or gas other than the specified refrigerant R...

Страница 9: ...he same power outlet with other electrical appliances since it may cause an electrical shock excessive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow th...

Страница 10: ...to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug is dusty or has a loose connection it may cause an electrical shock or fire...

Страница 11: ...ance is 1 M or higher Faulty insulation may cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage may cause water to enter the room and wet the fu...

Страница 12: ...tion is used when there is danger that the reader through incorrect manipulation may damage equipment lose data get an unexpected result or have to restart part of a procedure Note Note Note provides...

Страница 13: ...Revision History Introduction 8 3 Revision History Month Year Version Revised contents 02 2016 SiUS091601E First edition 10 2019 SiUS091601EA Model addition FTX18 24UVJU FDMQ12 18 24RVJU RXL12QMVJU9 R...

Страница 14: ...SiUS091601EA 9 Part 1 General Information 1 Applicable Models 10 2 Functions 11 Part 1 General Information...

Страница 15: ...Information 10 1 Applicable Models Indoor Unit Outdoor Unit FTX09NMVJU FTX12NMVJU FTX15NMVJU FTX18UVJU FTX24UVJU FVXS09NVJU FVXS12NVJU FVXS15NVJU FDMQ12RVJU FDMQ18RVJU FDMQ24RVJU RXL09QMVJU RXL12QMVJU...

Страница 16: ...GENT EYE operation auto energy saving 2 selectable temperature sensors Quick warming function Hot start function Automatic defrosting Operation Automatic cooling heating changeover Program dry operati...

Страница 17: ...ther side drain right or left Low temperature cooling operation 4 F 3 20 C 4 F 3 20 C 4 F 3 20 C 4 F 3 20 C 4 F 3 20 C 4 F 3 20 C 4 F 3 20 C F C changeover R C temperature display factory setting F F...

Страница 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...

Страница 19: ...9 52 3 51 8 53 2 53 9 53 8 52 9 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 11 1 4 30 5 16 8 3 4 285 770 223 11 1 4 30 5 16 8 3 4 285 770 223 Packaged Dimens...

Страница 20: ...68 3 73 1 71 8 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 11 1 4 30 5 16 8 3 4 285 770 223 11 5 8 39 10 3 8 295 990 263 Packaged Dimensions H W D in mm 14...

Страница 21: ...15 33 15 Gross Weight Gross Mass Lbs kg 42 19 44 20 Sound Pressure Level H M L SL dB A 46 41 36 33 48 42 35 32 51 44 37 34 48 42 37 34 Outdoor Unit RXL18UMVJU RXL24UMVJU Casing Color Ivory White Ivor...

Страница 22: ...5 50 2 54 5 52 8 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 23 5 8 27 9 16 8 1 4 600 700 210 23 5 8 27 9 16 8 1 4 600 700 210 Packaged Dimensions H W D in...

Страница 23: ...1 77 8 77 8 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 23 5 8 27 9 16 8 1 4 600 700 210 23 5 8 27 9 16 8 1 4 600 700 210 Packaged Dimensions H W D in mm 27...

Страница 24: ...28 5 2 418 68 5 2 361 66 9 Sound Pressure Level dB A 50 50 54 55 Sound Power Level dB A 62 62 66 67 Weight Mass Gross Weight Gross Mass Lbs kg 70 32 80 36 130 59 137 62 Piping Connections Liquid in m...

Страница 25: ...2YC63AAXD Type Hermetically Sealed Swing Type Motor Output W 1 920 Fan Type Motor Output W Propeller 76 Airflow Rate cfm m min 2 418 68 5 2 361 66 9 Sound Pressure Level dB A 55 55 Sound Power Level d...

Страница 26: ...2 18 24RVJU 30 2 Wireless Remote Controller Receiver 32 2 1 BRC082A43 32 3 Wired Remote Controller 33 3 1 BRC1E73 33 4 Outdoor Unit 34 4 1 RXL09QMVJU 34 4 2 RXL12QMVJU 9 36 4 3 RXL15QMVJU 38 4 4 RXL18...

Страница 27: ...or swing motor horizontal blade 2 S26 Connector for display signal receiver PCB PCB2 3 S32 Connector for indoor heat exchanger thermistor R2T 4 S200 Connector for DC fan motor 5 S403 Connector for ada...

Страница 28: ...e appropriate wiring diagram 1 S27 Connector for control PCB PCB1 2 SW1 S1W Indoor unit ON OFF switch Forced cooling operation ON OFF switch Refer to page 199 for details of forced cooling operation 3...

Страница 29: ...CB2 1 S6 Connector for swing motor horizontal blade 2 S26 Connector for display signal receiver PCB PCB3 3 S32 Connector for indoor heat exchanger thermistor R2T 4 S200 Connector for DC fan motor 5 S4...

Страница 30: ...r for control PCB PCB2 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 PCB2 2 SW1 S1W Indoor unit ON OFF switch For...

Страница 31: ...ctor for INTELLIGENT EYE sensor PCB PCB4 4 S32 Indoor heat exchanger thermistor R2T 5 S41 Connector for swing motors 6 S46 Connector for display PCB PCB3 7 S47 Connector for signal receiver PCB PCB2 8...

Страница 32: ...nnector for control PCB PCB1 3P224121 1 S48 1 S49 Connector for control PCB PCB1 2 SW1 Indoor unit ON OFF switch Forced cooling operation ON OFF switch Refer to page 199 for details of forced cooling...

Страница 33: ...S32 Indoor heat exchanger thermistor R2T 5 S41 Connector for lower air outlet motor 6 S42 Connector for swing motor 7 S46 Connector for display signal receiver PCB PCB4 8 S48 Connector for sensor PCB...

Страница 34: ...TH2 3P191450 1 1 S27 Connector for control PCB PCB2 2 SW2 S2W 4 Switch for upward airflow limit setting Refer to page 209 for details Keep the other switches as factory setting 3 SW4 S4W Switch for ai...

Страница 35: ...4 X25A Connector for drain pump motor 5 X27A Connector for terminal block for power supply 6 X28A Connector for power supply wiring option 7 X30A Connector for terminal block for wired remote control...

Страница 36: ...PCB A2P 1 X3A Connector for control PCB A1P 2 X6A Connector for reactor 3 X8A Connector for DC fan motor 4 X10A Connector for terminal block for power supply 5 F2U Fuse 5 A 250 V 6 F4U Fuse 6 3 A 250...

Страница 37: ...iring Diagram 32 2 Wireless Remote Controller Receiver 2 1 BRC082A43 Wired Remote Controller PCB 1 SS1 MAIN SUB setting switch Refer to page 214 for details 2 SS2 Address setting switch Refer to page...

Страница 38: ...SiUS091601EA 33 Part 3 Printed Circuit Board Connector Wiring Diagram 3 Wired Remote Controller 3 1 BRC1E73 Wired Remote Controller PCB 1 P1 P2 Terminal for indoor unit 2 R4T Room temperature thermist...

Страница 39: ...4 S71 Connector for DC fan motor 5 S80 Connector for four way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 7 HL1 HN1 S Connector for terminal b...

Страница 40: ...r Wiring Diagram Caution Replace the PCB if you cut a jumper unintentionally Jumpers are necessary for electronic circuit Improper operation may occur if you cut any of them 2P415459 42 S80 HL1 HN1 S...

Страница 41: ...fan motor 4 S80 Connector for four way valve coil 5 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 HL1 HN1 S Connector for terminal block 7 E1 E2 Terminal fo...

Страница 42: ...Wiring Diagram Caution Replace the PCB if you cut a jumper unintentionally Jumpers are necessary for electronic circuit Improper operation may occur if you cut any of them E1 E2 FU3 V2 V3 FU1 V150 FU2...

Страница 43: ...ad protector 3 S70 Connector for DC fan motor 4 S80 Connector for four way valve coil 5 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 HL1 HN1 S Connector fo...

Страница 44: ...protector 4 S70 Connector for DC fan motor 5 S80 Connector for four way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 7 S201 202 Connector for s...

Страница 45: ...SiUS091601EA Outdoor Unit Part 3 Printed Circuit Board Connector Wiring Diagram 40 V401 E1 E2 FU1 V3 V2 FU3 HN1 HL1 CK1 S20 S90 S201 S S70 S202 U V W FU2 S80 S40 2P455785 14...

Страница 46: ...or PCB PCB2 SW1 SW4 and LED1 LED5 do not work 1 S501 S502 Connector for main PCB PCB1 2 LED A LED for service monitor green 3 SW5 3 Switch for facility setting Refer to page 217 for details 4 SW6 1 Sw...

Страница 47: ...ess LAN Adaptor PCB Connectors 5 2 KRP067A41 KRP980B2 Remote Control PC board Set Adaptor PCB 1 CN1 Connector for S21 or S403 3P356259 2 CN1 Models Connector FTX09 12 15NMVJU S403 FTX18 24UVJU S21 FVX...

Страница 48: ...s for FDMQ Series 66 3 1 Fan Speed Control for Indoor Unit 66 3 2 Program Dry Operation 67 3 3 Clock and Calender Setting With BRC1E73 68 3 4 Schedule Timer Operation With BRC1E73 70 3 5 Drain Pump Co...

Страница 49: ...ture control is done by the target temperature appropriately adjusted for the indoor unit and the temperature detected by room temperature thermistor 1 2 Frequency Principle Control Parameters The fre...

Страница 50: ...maintained even when the outdoor temperature is 2 C 35 6 F Comfortable air conditioning A fine adjustment is integrated to keep the room temperature constant Energy saving heating and cooling Once the...

Страница 51: ...over the room Heating During heating operation the large flap directs airflow downward to spread the warm air to the entire room Wide Angle Louvers The louvers made of elastic synthetic resin provide...

Страница 52: ...ades flaps move downward 3 The vertical blades louvers move from the left to the right 4 The horizontal blades flaps move upward Airflow Selection Setting FVXS Series Airflow direction can be set with...

Страница 53: ...upper and lower air outlets in order to reach the set temperature quickly When the room has become fully cool or when 1 hour has passed since turning on the air conditioner Air is blown only from the...

Страница 54: ...ntrolled not to blow the air directly at the people in the room The fan speed is controlled automatically within the following steps Cooling L tap MH tap same as automatic Heating L tap M tap The late...

Страница 55: ...e is automatically controlled within this range when FAN setting button is set to automatic Cooling The following drawing explains the principle of fan speed control for cooling The upper limit is at...

Страница 56: ...Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Thermostat turns on also when the room temperature is in the zone B for...

Страница 57: ...Heating Cooling switching point Tr Tt 3 0 C 5 4 F 2 Cooling Heating switching point Tr Tt 3 0 C 5 4 F FTX09 12 15NMVJU Tr Tt 2 5 C 4 5 F FTX18 24UVJU 3 Thermostat ON OFF point is the same as the ON OF...

Страница 58: ...rmined monitoring time Cooling Dry Heating FTX Series FVXS Series Refer to Temperature Control on page 44 for details Cooling Dry Heating FTX09 12 15NMVJU 10 minutes 7 5 minutes 10 seconds FTX18 24UVJ...

Страница 59: ...es the target temperature slightly in the case of cooling or lowers the target temperature slightly in the case of heating This prevents excessive cooling in summer and excessive heating in winter to...

Страница 60: ...ess remote controller Details When this function is activated the maximum capacity also decreases The remote controller can send the ECONO command when the unit is in cooling heating dry or automatic...

Страница 61: ...60 rpm when no one is in the area When there is no signal from the motion sensor in 20 minutes the microcomputer judges that nobody is in the room and operates the unit at a temperature shifted from t...

Страница 62: ...oling POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C 64 4 F DRY Dry rotating sp...

Страница 63: ...Select button to set the clock to the current day of the week 3 Press Clock button blinks 4 Press Select or Select button to set the clock to the present time Holding down Select or Select button rapi...

Страница 64: ...0 2 2 0 3 7 1 0 3 8 0 0 6 77 F 25 C 81 F 27 C 4 m a r g o r p 3 m a r g o r p 2 m a r g o r p 1 m a r g o r p F F O N O F F O N O Saturday No timer settings Sunday Make timer settings for programs 1...

Страница 65: ...splayed 1 to 4 settings can be made per day Pressing changes the reservation number and the day of the week 3 Press The day of the week and reservation number will be set and blink 4 Press to select t...

Страница 66: ...g tone and blinking of the OPERATION lamp is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp lights orange A reservation made once can be easily copied and the same setting...

Страница 67: ...nother day of the week The whole reservation of the selected day of the week will be copied The whole reservation of the selected day of the week will be copied The reservation will be copied to the s...

Страница 68: ...reservation number and press The mode is switched to setting mode Proceed to Setting mode STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp lights orange disappear...

Страница 69: ...t 5 seconds 4 Press If there are still other reservations WEEKLY TIMER operation will be activated All reservations Hold for about 5 seconds with the normal display 2 Press to select the day of the we...

Страница 70: ...OFF switch once to start operation Press once again to stop it ON OFF switch is useful when the remote controller is missing or the battery has run out Forced Cooling Operation Forced cooling operatio...

Страница 71: ...oses The system may turn off the fan when the room temperature is satisfied It is normal for a delay to occur when changing the fan speed If the Auto is selected for the fan speed the fan speed varies...

Страница 72: ...et temperature is divided into two zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room thermistor temperature at...

Страница 73: ...the button causes the number to change continuously Press buttons to select Clock Calendar on the main menu screen Press Menu OK button to display the clock calendar screen Select Month with buttons C...

Страница 74: ...ons Change the minute with buttons Holding down the button causes the number to change continuously Press Menu OK button The confirmation screen will appear The date can be set between January 1 2015...

Страница 75: ...t the setback function is disabled for this time period __ Indicates that the temperature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will...

Страница 76: ...n is pressed 3 Press buttons to select Y es on the confirmation screen Pressing Menu OK button enters the daily patterns in the schedule and takes you back to the main menu screen R24074 1 The schedul...

Страница 77: ...temperature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Indicates that the setback function is disabled for this time per...

Страница 78: ...y the schedule screen Press buttons to select Enable Disable on the schedule screen Press Menu OK button to display the enable disable screen Press buttons to select Enable or Disable on the enable di...

Страница 79: ...turns ON again after 5 seconds 1 If the float switch turns ON again during the residual operation of the drain pump cooling operation also turns on again thermostat ON 2 If the float switch remains OF...

Страница 80: ...n 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 sec 5 min 5 min 1 2 3 5 sec 1 If the float switch continues to turn OFF and ON 5 times consecutively it is judged as a drain system erro...

Страница 81: ...hen the power supply is restored to the conditions prior to the power failure It takes 3 minutes to restart the operation because 3 minute standby function is activated 3 7 3 Emergency Operation Switc...

Страница 82: ...mistor The outdoor temperature thermistor detects the outdoor air temperature and is used for refrigerant shortage detection input current control outdoor fan control liquid compression protection fun...

Страница 83: ...der of priority 1 Limiting defrost control time 2 Forced cooling Air conditioner control mode Forced operation mode Forced cooling operation for pump down operation Power transistor test mode Normal o...

Страница 84: ...is calculated in each 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 chang...

Страница 85: ...on fin temperature 85 C 185 F OFF condition Discharge pipe temperature 12 C 53 6 F Radiation fin temperature 90 C 194 F 12 18 24 class ON condition Discharge pipe temperature Outdoor temperature x A B...

Страница 86: ...frequency decreases depending on the outdoor temperature 5 3 4 3 Minute Standby Turning on the compressor is prohibited for 3 minutes after turning off The function is not used when defrosting 5 3 5 C...

Страница 87: ...l Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit...

Страница 88: ...opping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is lowered by 2 Hz every second until it reaches the keep zone Keep zone...

Страница 89: ...at exchanger temperature The valves might drop when the outdoor temperature is low to protect the compressor Reset zone Up zone Keep zone Dropping zone Stop zone 13 C 55 4 F 7 C 44 6 F 3 C 37 4 F 0 C...

Страница 90: ...orced operation The outdoor fan is controlled as well as normal operation during forced operation 6 Fan speed control during POWERFUL operation The rotation speed of the outdoor fan is increased durin...

Страница 91: ...ed time have passed since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgment is made with the outdoor heat exchanger temperature B 09 class 12 c...

Страница 92: ...n the discharge pipe thermistor is disconnected Feedback Control Target discharge pipe temperature control Details The followings are the examples of electronic expansion valve control for each operat...

Страница 93: ...g 5 11 4 Starting Operation Control The electronic expansion valve opening is controlled when the operation starts thus preventing superheating or liquid compression 5 11 5 Control when the Frequency...

Страница 94: ...ror counter is reset Details Determining thermistor disconnection When the starting control finishes the detection timer for disconnection of the discharge pipe thermistor A seconds starts When the ti...

Страница 95: ...e electronic expansion valve 5 12 Malfunctions 5 12 1 Sensor Malfunction Detection Sensor malfunction can be detected in the following thermistor 1 Outdoor heat exchanger thermistor 2 Discharge pipe t...

Страница 96: ...SiUS091601EA 91 Part 5 Remote Controller 1 Applicable Remote Controller 92 2 ARC466A21 93 3 ARC466A37 95 4 ARC480A8 97 5 BRC082A43 98 6 BRC1E73 100 Part 5 Remote Controller...

Страница 97: ...ness Portal Document Search Item Category Installation Operation Manual URL https global1d daikin com business_portal login Series Model Name Wireless Remote Controller Reference Page Wired Remote Con...

Страница 98: ...button In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Selects the airflow rate setting every ti...

Страница 99: ...ot be used at the same time Priority is given to the function you pressed last Quiet button Cancels the timer setting Cannot be used for the WEEKLY TIMER operation Timer Cancel button Off Timer button...

Страница 100: ...ton In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Auto Indoor unit quiet Low Middle low Middle...

Страница 101: ...ation mode AUTO DRY COOL HEAT FAN Every time you press Econo Quiet button the setting changes in the following order OUTDOOR UNIT QUIET operation is not available in FAN and DRY operation OUTDOOR UNIT...

Страница 102: ...rflow direction When you press the SWING button the flap moves up and down The flap stops when you press the SWING button again SWING 5 button POWERFUL 3 button Starts POWERFUL operation ON TIMER butt...

Страница 103: ...082A43 R25006 7 9 12 10 11 13 14 15 8 1 3 4 5 2 6 DOWN FAN UP ON OFF M H L hr hr TEST MODE TIMER RESERVE CANCEL DOWN UP TEST FAN TIME TEMP ON OFF M H L hr hr TEST F F The situation which opened the fr...

Страница 104: ...ETTING BUTTON Use this button for SETTING TEMPERATURE Operates with the front cover of the remote controller closed PROGRAMMING TIMER BUTTON Use this button for programming START and or STOP time Oper...

Страница 105: ...te Controller 100 6 BRC1E73 3 Menu OK button 8 On Off button 10 Cancel button 9 Operation lamp 11 LCD with backlight 4 Up button 5 Down button 6 Right button 7 Left button 1 Operation mode selector bu...

Страница 106: ...ll be illuminated for approximately 30 seconds by pressing any button If two remote controllers are used to control a single indoor unit only the controller accessed first will have backlight function...

Страница 107: ...ailed and Simple displays can be selected in the main menu 10 Changeover controlled by the master indoor unit 9 Under centralized control 4 Stand by for Defrost Hot start The airflow direction clock a...

Страница 108: ...an speed 3 Setpoint 1 Operation mode 14 Selectable Display Item 11 Setback 4 Stand by for Defrost Hot start Depending on the field settings while the indoor unit is stopped OFF may be displayed instea...

Страница 109: ...ed Displayed when another indoor unit on the system has the authority to change the operation mode between cool and heat Displayed when an energy recovery ventilator is connected Ventilation Mode icon...

Страница 110: ...del does not include oscillating louvers this item will not be displayed Displayed if the clock is set If the clock is not set will be displayed 12 hour time format is displayed by default Select 12 2...

Страница 111: ...6 Troubleshooting for FDMQ Series 138 6 1 Indoor Unit PCB Abnormality 138 6 2 Drain Level Control System Abnormality 139 6 3 Indoor Fan Motor DC Motor or Related Abnormality 140 6 4 Indoor Fan PCB Ab...

Страница 112: ...Rise 176 7 15 Output Overcurrent Detection 178 7 16 Signal Transmission Error on Outdoor Unit PCB 180 8 Check 181 8 1 Thermistor Resistance Check 181 8 2 Indoor Fan Motor Connector Check 182 8 3 Powe...

Страница 113: ...ion lamp OFF Check the outdoor temperature Heating cooling operations are not available when the outdoor temperature is out of the operation limit Check the reference page for the operation limit 236...

Страница 114: ...nit is activated or when the thermistor malfunctions A signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following...

Страница 115: ...curs the operation lamp on the receiver blinks R4003517 2 2 Outdoor Unit The outdoor unit has one green LED LED A on the PCB When the microcomputer works in order the LED A blinks However the LED A tu...

Страница 116: ...ANCEL button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error co...

Страница 117: ...n 3 Press FAN button to enter the service check mode R6000669 00 is displayed and the left side number blinks R6000696 4 Press TEMP or TEMP button and change the number until you hear the two consecut...

Страница 118: ...000670 8 Diagnose by the sound Beep The left side number does not correspond with the error code Two consecutive beeps The left side number corresponds with the error code but the right side number do...

Страница 119: ...button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error code try...

Страница 120: ...Press Mode button to enter the service check mode The left side number blinks 4 Press Temp or Temp button and change the number until you hear the two consecutive beeps or the long beep 5 Diagnose by...

Страница 121: ...e sound Beep The left side number does not correspond with the error code Two consecutive beeps The left side number corresponds with the error code but the right side number does not Long beep Both t...

Страница 122: ...ntenance Information Configuration Current Settings Clock Calendar Daylight Saving Time Language Press Cancel button once Press Menu OK button once Basic Screen Operation mode changeover Fan speed con...

Страница 123: ...utton Operation lamp 2 Error Code A1 Contact Info 0123 456 7890 Indoor Model 000 Outdoor Model 000 If an error occurs either one of the following items will flash in the basic screen The Operation lam...

Страница 124: ...be checked z Error codes z Indoor model code Service data can be obtained z Error code history z Temperature data of various sections Service settings can be made z Forced fan ON z Airflow rate settin...

Страница 125: ...indication of the error code blinks Step Action UP button DOWN button R15408 If you hear Then 3 short beeps Follow all steps below e h t e u n i t n o C 4 d n a 3 s p e t s w o l l o F p e e b t r o...

Страница 126: ...E SELECTOR button The right 0 lower digit indication of the error code blinks Step Action UP button DOWN button R15411 UP DOWN 4 5 6 7 8 9 U P L J F H E C A 0 If you hear Then 2 short beeps The upper...

Страница 127: ...ELECTOR button to return to the normal mode If you do not press any button for 1 minute the remote controller automatically returns to the normal mode Step Action UP button DOWN button R15413 UP DOWN...

Страница 128: ...ifier or related abnormality 143 C4 Indoor heat exchanger thermistor or related abnormality 132 132 144 C5 144 C9 Room temperature thermistor or related abnormality 132 132 144 CJ Remote controller th...

Страница 129: ...he connection OK Check the power supply voltage Start operation Voltage as rated Error repeats Check the power supply voltage Start operation Voltage as rated Error repeats Error repeats Combination o...

Страница 130: ...for FTX FVXS Series SiUS091601EA 125 Part 6 Service Diagnosis Note Connectors FTX09 12NMVJU FTX18 24UVJU FVXS series Terminal Control PCB H1 H2 H3 FTX15NMVJU Terminal Filter PCB S100 Filter PCB S800 C...

Страница 131: ...32 F Heating peak cut control During heating operation the indoor heat exchanger temperature is above 59 60 C 138 2 140 F Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust...

Страница 132: ...Troubleshooting for FTX FVXS Series SiUS091601EA 127 Part 6 Service Diagnosis Reference Check No 01 Refer to P 181...

Страница 133: ...of wire inside the fan motor Breaking of the fan motor lead wires Defective capacitor of the fan motor Defective indoor unit PCB Troubleshooting FTX09 12 15NMVJU Caution OK NO YES YES NO Be sure to t...

Страница 134: ...ort circuit Check the motor control voltage Check the indoor unit PCB for rotation pulse Fan rotates smoothly Resistance OK Is the motor control voltage 15 VDC generated Replace the indoor fan motor R...

Страница 135: ...ing the connector Replace the indoor fan motor Replace the indoor unit PCB control PCB Replace the indoor unit PCB control PCB Does the fan rotate smoothly Does the fan rotate Motor power supply volta...

Страница 136: ...Troubleshooting for FTX FVXS Series SiUS091601EA 131 Part 6 Service Diagnosis Note s Reference The rotation pulse is the feedback signal from the indoor fan motor Check No 02 Refer to P 182...

Страница 137: ...less with the power on Supposed Causes Disconnection of connector Defective thermistor s Defective indoor unit PCB Troubleshooting C4 Indoor heat exchanger thermistor C9 Room temperature thermistor Ch...

Страница 138: ...V depending on 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...

Страница 139: ...d NO NO YES YES YES YES Reconnect the harness Check the power supply voltage Check the connection of the compressor harness Precaution before turning on the power again Make sure the power has been of...

Страница 140: ...hether 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 Power supply voltage not as specifi...

Страница 141: ...connection wires between 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 Ch...

Страница 142: ...g models interconnected 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 YE...

Страница 143: ...be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to EEPRO...

Страница 144: ...sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Connect the drain pump Replace the indoor unit PCB control PCB Replace the drain pump There is a...

Страница 145: ...e indoor unit PCB and the fan PCB Defective fan PCB Defective fan motor No fuse continuity Trouble Shooting R6000547 Connect the connector correctly Turn OFF the power supply and wait for 10 minutes N...

Страница 146: ...place the fan motor Each resistance between the pins is equal to or lower than 1 Replace the fan motor Replace the fan PCB A2P The HAP lamp on the indoor unit control PCB is blinking while the HAP lam...

Страница 147: ...re connecting or disconnecting connectors or parts may be damaged Check for the indoor unit control PCB A1P and the fan PCB A2P Connect the connector correctly NO YES YES Is the connector X3A on the f...

Страница 148: ...fier s Clogged electric expansion value in humidifier s Defective indoor unit PCB Troubleshooting The system continues to operate with the thermostat OFF even while the error code is displayed YES YES...

Страница 149: ...anging the indoor unit PCB To check the thermistors proceed as follows 1 Disconnect the thermistor from the indoor unit PCB 2 Read the temperature and the resistance value 3 Check if the measured valu...

Страница 150: ...is running Supposed Causes Defective room temperature thermistor in the wired remote controller Defective wired remote controller PCB External factor such as noise Troubleshooting To delete the record...

Страница 151: ...depending on 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 c...

Страница 152: ...NO NO YES YES YES YES Reconnect the harness Check the power supply voltage Check the connection of the compressor harness Precaution before turning on the power again Make sure the power has been off...

Страница 153: ...s normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Power supply voltage out of specification Redu...

Страница 154: ...he indoor unit and the outdoor unit Replace the outdoor unit PCB main PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any distur...

Страница 155: ...o pages 214 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Are both remote controllers set to MAIN Do es the indoor unit service mon...

Страница 156: ...rollers when using 2 remote controllers Defective remote controller PCB Troubleshooting For the way to change MAIN SUB setting of remote controllers refer to pages 214 Turn the power off and then back...

Страница 157: ...orrect wiring Check again YES YES NO NO Connect the indoor outdoor units correctly YES YES YES YES NO NO NO Blink R24591 Is the combination of indoor outdoor units correct Do es the indoor unit servic...

Страница 158: ...e outdoor unit PCB Noise Momentary 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 da...

Страница 159: ...m is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Defective discharge pipe thermistor Disconnection...

Страница 160: ...thermistor Replace the electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the ou...

Страница 161: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 156 Reference Check No 14 Refer to P 185...

Страница 162: ...the power Disconnect the harnesses U V and W R21067 Caution NO YES YES NO NO YES NO YES Check No 15 Check with the inverter analyzer Turn off the power and reconnect the harnesses Turn on the power a...

Страница 163: ...r stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 189 R21669 Caution YES YES NO YES NO NO YES NO NO Turn on the power Rotate the fan YES Check No...

Страница 164: ...k No 17 Refer to P 190 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...

Страница 165: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 160 Reference Check No 18 Refer to P 190...

Страница 166: ...ling 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 repeats the system is shut down Reset condition Continuous run for about...

Страница 167: ...four way valve defective or dust 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 Refrigeran...

Страница 168: ...or outdoor temperature thermistor Defective electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB...

Страница 169: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 164 Reference Reference Check No 12 Refer to P 184 Check No 14 Refer to P 185...

Страница 170: ...exceeds the limit Error Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rises above 60 62 C 140 143 6 F depending on the model The error is cleared when the tempera...

Страница 171: ...exchanger thermistor Replace the outdoor 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...

Страница 172: ...ion Supposed Causes Abnormal operation due to air intrusion Defective discharge pipe thermistor Troubleshooting Check No 01 Refer to P 181 YES R23655 NO OK NG Caution Replace the outdoor unit Replace...

Страница 173: ...he 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 switch before con...

Страница 174: ...ition through 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...

Страница 175: ...lyzer Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor harnesses connected as specified Replace the...

Страница 176: ...Troubleshooting for Outdoor Unit SiUS091601EA 171 Part 6 Service Diagnosis Reference Reference Reference R6000565 Check No 15 Refer to P 186 Check No 18 Refer to P 190 Check No 20 Refer to P 191...

Страница 177: ...r more or 0 04 V or less with the power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature Supposed Causes Disconnection of the connector for the ther...

Страница 178: ...defective thermistor s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Cooling Outdoor heat exchanger temperature Heating Indoor...

Страница 179: ...Troubleshooting Check No 17 Refer to P 190 A B C C F C F C F 09 class 82 179 6 65 149 70 158 12 class 90 194 75 167 81 177 8 15 class 90 194 64 147 2 81 177 8 18 24 class 92 197 6 70 158 77 170 6 Caut...

Страница 180: ...Troubleshooting for Outdoor Unit SiUS091601EA 175 Part 6 Service Diagnosis Reference Check No 19 Refer to P 191...

Страница 181: ...The error is cleared when the radiation fin temperature drops below B If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed...

Страница 182: ...ecting or disconnecting connectors or parts may be damaged R23953 NO NG OK NO YES Check the radiation fin temperature NO YES YES Above A Check No 19 Check the outdoor fan Error displayed again Has the...

Страница 183: ...pecification Defective compressor Troubleshooting R24911 Caution NO YES NO YES An output overcurrent may result from wrong internal wiring If the system is interrupted by an output overcurrent after t...

Страница 184: ...connect the harnesses Turn on the power again and start operation Check the power supply voltage Check the power module Correct the power supply Replace the compressor Correct the power supply or repl...

Страница 185: ...cannot be received for 9 seconds The error counter is reset when the data from the PM1 can be successfully received Supposed Causes Defective outdoor unit PCB Troubleshooting R21808 Caution YES NO Tu...

Страница 186: ...24UVJU FVXS series FDMQ series Indoor Unit R1T Room temperature thermistor B A R2T Indoor heat exchanger thermistor A A R1T Suction air thermistor A R2T Middle thermistor A R3T Liquid pipe thermistor...

Страница 187: ...ltage is generated between the pins 2 3 Rotation pulse check 1 Check the connector for connection 2 Turn the power on and stop the operation 3 Check if the Hall IC generates the rotation pulse 4 times...

Страница 188: ...wer supply OFF 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Measuring...

Страница 189: ...nnector is correctly connected to the PCB 2 Turn the power off and on again and check if the EV generates a latching sound 3 If the EV does not generate a latching sound in step 2 disconnect the conne...

Страница 190: ...y valve coil Cooling 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...

Страница 191: ...n smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work R6000682 Reference If the terminals of the compressor are not FASTON terminals difficult to remove the...

Страница 192: ...ess FAN button 5 Press FAN ONLY button to start the power transistor test operation FTX18 24UVJU FVXS series 1 Turn the power on 2 Select FAN operation with the Mode button on the remote controller 3...

Страница 193: ...mote controller 3 Press and hold Cancel button for 4 seconds or longer Test operation will stop automatically after about 30 minutes To stop the operation press On Off button 4 Select Test Operation i...

Страница 194: ...s 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 4 1 when the fan motor is rotated 1 turn by hand When t...

Страница 195: ...very dirty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Change the installation location or direction Check the outdoor...

Страница 196: ...rring to the table below If the resistance is or less than 1 k short circuit occurs on the main circuit 09 class R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Rec...

Страница 197: ...SiUS091601EA Check Part 6 Service Diagnosis 192 12 class 15 class Multimeter R23024 R25105 1 2 3 4 Multimeter...

Страница 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...

Страница 199: ...ion on the connector Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multimeter Evaluate the measurement results r...

Страница 200: ...Check SiUS091601EA 195 Part 6 Service Diagnosis 12 class 15 class R23025 Pin 24 Pin 23 U Pin 22 V Pin 21 W Pin 20 R20704 W V U DC_P1 DC_N1...

Страница 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...

Страница 202: ...1 Room 207 4 3 Jumper and Switch Settings 209 5 Field Settings for FDMQ Series 210 5 1 How to Change the Field Settings 210 5 2 Overview of Field Settings 213 5 3 MAIN SUB and Address Setting for Wir...

Страница 203: ...unit Details 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 to10 minutes close the liquid stop valve with a hexagonal wrench...

Страница 204: ...et 1 The outdoor unit is not abnormal and not in the 3 minute standby mode 2 The outdoor unit is not operating Protection functions have priority over all other functions during forced cooling operati...

Страница 205: ...rced cooling operation will stop automatically after about 30 minutes To stop the operation press OFF button R7000274 FTX18 24UVJU FVXS Series 1 Press Mode button and select the COOL operation 2 Press...

Страница 206: ...at the bottom 4 Press On Off button within 10 seconds and the forced cooling operation starts Forced cooling operation will stop automatically after about 15 minutes To stop the operation press On Off...

Страница 207: ...highest programmable temperature 30 C 86 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...

Страница 208: ...nter of Temp button and Mode button at the same time 3 Select T trial operation with Temp or Temp button 4 Press Mode button to start the trial operation 5 Press Mode button and select operation mode...

Страница 209: ...reen returns and normal operation is conducted Test operation will stop automatically after 15 30 minutes To stop the operation press On Off button Test Operation Test Operation Basic screen 1 2 3 4 5...

Страница 210: ...and all wires are connected correctly No operation or burn damage System is properly grounded Electrical leakage Is wiring size according to specifications No operation or burn damage Is something blo...

Страница 211: ...Celsius for temperature display Press TEMP button and ON TIMER buttons simultaneously for 5 seconds to change the unit of temperature display You can also change the unit of temperature display by pr...

Страница 212: ...e controller at the same time 4 Select A address setting with TEMP or TEMP button 5 Press FAN button to enter the address setting mode The indoor unit operation lamp blinks for 1 minute 6 Press indoor...

Страница 213: ...ionally Jumpers are necessary for electronic circuit Improper operation may occur if you cut any of them FVXS Series 1 Remove the electrical wiring box 2 Cut the address jumper JA on the printed circu...

Страница 214: ...or the location of the jumper and the switch refer to the following pages FTX18 24UVJU page 26 FVXS page 28 Jumper on indoor unit PCB Function When connected factory setting When cut JB Fan speed sett...

Страница 215: ...eld settings can not be set from SUB remote controller Procedure BRC1E73 Wired Remote Controller a Unit No b First code No c Second code No d Mode a b c d R18831 1 Press and hold Cancel button for 4 s...

Страница 216: ...hich means it can be changed When SECOND CODE NO is displayed as there is no function 6 Press Menu OK button Setting confirmation screen is displayed 7 Select and press Menu OK button Setting details...

Страница 217: ...button for at least 4 seconds to enter the Field Set mode 2 Select the desired Mode No with MODE button 3 Press button and select the First code No 4 Press button and select the Second code No 5 Pres...

Страница 218: ...Code No Second Code No Description of setting 01 02 03 10 20 0 Light Approx 2 500 hrs Heavy Approx 1 250 hrs Filter cleaning sign interval used to change filter cleaning display interval according to...

Страница 219: ...eless remote controller with 1 indoor unit change the MAIN SUB switch of the signal receiver PCB Signal Receiver PCB Setting MAIN SUB switch Set the MAIN SUB setting switch SS1 on the signal receiver...

Страница 220: ...to enter the field setting mode SETTING is indicated on the display 2 Press FAN button and select display setting or Each time the button is pressed the display switches between and 3 Press button an...

Страница 221: ...r and the back of the wireless remote controller Set the Unit No of the receiver and the wireless remote controller to be the equal If the settings differ the signal from the remote controller cannot...

Страница 222: ...14 F 10 C Installing an air direction adjustment grille sold separately will further extend the operation range to 4 F 20 C In these cases the unit will stop operating if the outdoor temperature falls...

Страница 223: ...ain Pan Heater When attaching the drain pan heater 1 Attach the drain pan heater in accordance with the installation manual included with the drain pan heater 2 Turn on SW6 1 on the PCB R7000288 PCB H...

Страница 224: ...de bridge Details 1 Wipe off the old silicone grease completely 2 Apply the silicone grease evenly See the illustrations below for examples of application 3 Tighten the screws of the power transistor...

Страница 225: ...SiUS091601EA Part 8 Appendix 220 1 Piping Diagrams 221 1 1 Indoor Unit 221 1 2 Outdoor Unit 223 2 Wiring Diagrams 226 2 1 Indoor Unit 226 2 2 Outdoor Unit 231 3 Operation Limit 236 Part 8 Appendix...

Страница 226: ...OW 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 4D091769C DISTRIBUTOR M HEADER COOLI...

Страница 227: ...T FIELD PIPING 3 8 CuT THERMISTOR ONHEATEXCH REFRIGERANT FLOW COOLING HEATING 4D091794 INDOOR UNIT MUFFLER ASSY HEAT EXCHANGER 1 4 CuT 9 32 CuT 1 4 CuT 1 4 CuT 1 4 CuT 1 4 CuT M 1 4 CuT FAN MOTOR TURB...

Страница 228: ...Piping Diagrams SiUS091601EA 223 Part 8 Appendix 1 2 Outdoor Unit RXL09QMVJU RXL12QMVJU 9 3D100008 3D100009A...

Страница 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...

Страница 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...

Страница 231: ...ing Diagrams Part 8 Appendix 226 Note s 2 Wiring Diagrams 2 1 Indoor Unit FTX09 12NMVJU PCB1 Control PCB PCB2 Display signal receiver PCB Refer to page 22 for Printed Circuit Board Connector Wiring Di...

Страница 232: ...g Diagrams SiUS091601EA 227 Part 8 Appendix Note s FTX15NMVJU PCB1 Filter PCB PCB2 Control PCB PCB3 Display signal receiver PCB Refer to page 24 for Printed Circuit Board Connector Wiring Diagram 3D09...

Страница 233: ...Diagrams Part 8 Appendix 228 Note s FTX18 24UVJU PCB1 Control PCB PCB2 Signal receiver PCB PCB3 Display PCB PCB4 INTELLIGENT EYE sensor PCB Refer to page 26 for Printed Circuit Board Connector Wiring...

Страница 234: ...P ORG WHT 1 S42 HA S21 t RED 1 ORG S49 S48 M YLW M1S PNK R1T BLU 6 PCB1 S41 RED 1 t ORG M YLW S32 M2S PNK BLU R2T 5 INDOOR WIRELESS REMOTE CONTROLLER SIGNAL RECEIVER TRANSMISSION CIRCUIT NOTE THAT OPE...

Страница 235: ...SiUS091601EA Wiring Diagrams Part 8 Appendix 230 Note s FDMQ12 18 24RVJU A1P Control PCB A2P Indoor fan PCB Refer to page 30 for Printed Circuit Board Connector Wiring Diagram 3D112629A...

Страница 236: ...Wiring Diagrams SiUS091601EA 231 Part 8 Appendix Note s 2 2 Outdoor Unit RXL09QMVJU PCB1 Main PCB Refer to page 34 for Printed Circuit Board Connector Wiring Diagram C 3D099947...

Страница 237: ...SiUS091601EA Wiring Diagrams Part 8 Appendix 232 Note s RXL12QMVJU PCB Main PCB Refer to page 36 for Printed Circuit Board Connector Wiring Diagram C 3D099948...

Страница 238: ...Wiring Diagrams SiUS091601EA 233 Part 8 Appendix Note s RXL12QMVJU9 PCB Main PCB Refer to page 36 for Printed Circuit Board Connector Wiring Diagram C 3D122861...

Страница 239: ...SiUS091601EA Wiring Diagrams Part 8 Appendix 234 Note s RXL15QMVJU PCB Main PCB Refer to page 38 for Printed Circuit Board Connector Wiring Diagram C 3D099952...

Страница 240: ...Wiring Diagrams SiUS091601EA 235 Part 8 Appendix Note s RXL18 24UMVJU PCB1 Main PCB PCB2 Service monitor PCB Refer to page 39 for Printed Circuit Board Connector Wiring Diagram C 3D122866...

Страница 241: ...SiUS091601EA Operation Limit Part 8 Appendix 236 3 Operation Limit RXL09 12 15QMVJU RXL12QMVJU9 RXL18 24UMVJU 3D100732 3D123451...

Страница 242: ...cal legislation z z Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electric...

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