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Safety Cautions

SiUS092230EA

Introduction

Be sure to measure insulation resistance after the repair, and make

sure that the resistance 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 furniture

and floor.

Do not tilt the unit when removing it.

The water inside the unit may spill and wet the furniture and floor.

Caution

Содержание RX-W Series

Страница 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...

Страница 2: ...WVJUW S 9 25 1 2 FDMQ09 12 15 18 24WVJU9 27 1 3 FFQ09 12 15 18W2VJU9 8 29 2 Sensor Kit for FFQ Series 30 2 1 BRYQ60A2W S 30 3 Wired Remote Controller 31 3 1 BRC1E73 31 4 Wireless Remote Controller Receiver for FDMQ Series 32 4 1 BRC082A43 32 5 Wireless Remote Controller Kit for FFQ Series 33 5 1 BRC082A41W BRC082A42W S 33 6 Outdoor Unit 34 6 1 RX09 12WMVJU9 34 6 2 RX15 18 24WMVJU9 36 Part 4 Functi...

Страница 3: ...3 9 Presence and Floor Sensors Option 73 3 10 Other Functions 76 4 Thermistor Functions 78 5 Control Specification 79 5 1 Mode Hierarchy 79 5 2 Frequency Control 79 5 3 Controls at Mode Changing Start up 81 5 4 Discharge Pipe Temperature Control 84 5 5 Input Current Control 85 5 6 High Pressure Protection Control 86 5 7 Freeze up Protection Control 87 5 8 Heating Peak cut Control 88 5 9 Outdoor Fa...

Страница 4: ...47 6 6 Thermistor or Related Abnormality 148 6 7 Presence Sensor or Floor Sensor Abnormality 149 6 8 Remote Controller Thermistor Abnormality 150 6 9 Low voltage Detection or Over voltage Detection 151 6 10 Signal Transmission Error Between Indoor and Outdoor Unit 153 6 11 Signal Transmission Error Between Indoor Unit and Remote Controller 155 6 12 Signal Transmission Error Between MAIN SUB Remote...

Страница 5: ...own Operation 205 2 Forced Cooling Operation 206 3 Trial Operation 208 3 1 FTXR Series 208 3 2 FDMQ FFQ Series 209 4 Field Settings for FTXR Series 212 4 1 Temperature Display Switch 212 4 2 When 2 Units are Installed in 1 Room 212 4 3 Jumper and Switch Settings 213 5 Field Settings for FDMQ FFQ Series 214 5 1 How to Change the Field Settings 214 5 2 Overview of Field Settings for FDMQ Series 217 ...

Страница 6: ...SiUS092230EA v Table of Contents 1 2 Outdoor Unit 232 2 Wiring Diagrams 234 2 1 Indoor Unit 234 2 2 Outdoor Unit 238 3 Operation Limit 240 ...

Страница 7: ...US092230EA Introduction 1 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 Introduction ...

Страница 8: ...struction 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 store equipment in a room with fire sources e g naked flames gas appliances electric heaters Be sure to disconnect the power cable from the socket before disassembling equipment for repair Working on equ...

Страница 9: ...ant 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 32 R 410A R 22 in the refrigerant system If air enters the refrigerant system an excessively high pressure results causing equipment damage and injury Caution Do not repair electrical components wit...

Страница 10: ...the 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 the local technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit ...

Страница 11: ...k to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug is dusty or has a loose connection it may cause an electrical shock or fire When replacing the coin battery in the remote controller be sure to dispose of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Cau...

Страница 12: ...tance 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 furniture and floor Do not tilt the unit when removing it The water inside the unit may spill and wet the furniture and floor Caution ...

Страница 13: ...ution 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 information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Reference Reference Reference guides the reader to other places in this binder or in this ...

Страница 14: ...Revision History SiUS092230EA 8 Introduction 3 Revision History Month Year Version Revised contents 11 2022 SiUS092230E First edition 03 2023 SiUS092230EA Model addition FFQ09 12 15 18W2VJU8 ...

Страница 15: ...SiUS092230EA Part 1 General Information 9 1 Applicable Models 10 2 Functions 11 Part 1 General Information ...

Страница 16: ...ct concealed type Ceiling cassette type FTXR09WVJUW9 FTXR09WVJUS9 FTXR12WVJUW9 FTXR12WVJUS9 FTXR18WVJUW9 FTXR18WVJUS9 FDMQ09WVJU9 FDMQ12WVJU9 FDMQ15WVJU9 FDMQ18WVJU9 FDMQ24WVJU9 FFQ09W2VJU8 FFQ12W2VJU8 FFQ15W2VJU8 FFQ18W2VJU8 FFQ09W2VJU9 FFQ12W2VJU9 FFQ15W2VJU9 FFQ18W2VJU9 RX09WMVJU9 RX12WMVJU9 RX15WMVJU9 RX18WMVJU9 RX24WMVJU9 ...

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Страница 19: ...SiUS092230EA Part 2 Specifications 13 1 Specifications 14 1 1 Wall Mounted Type 14 1 2 Duct Concealed Type 17 1 3 Ceiling Cassette Type 20 Part 2 Specifications ...

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Страница 30: ... 8 29 2 Sensor Kit for FFQ Series 30 2 1 BRYQ60A2W S 30 3 Wired Remote Controller 31 3 1 BRC1E73 31 4 Wireless Remote Controller Receiver for FDMQ Series 32 4 1 BRC082A43 32 5 Wireless Remote Controller Kit for FFQ Series 33 5 1 BRC082A41W BRC082A42W S 33 6 Outdoor Unit 34 6 1 RX09 12WMVJU9 34 6 2 RX15 18 24WMVJU9 36 Part 3 Printed Circuit Board Connector Wiring Diagram ...

Страница 31: ...ctor for swing motors 5 S42 Wire harness for reduction motor front panel mechanism and limit switch 6 S46 Connector for display signal receiver PCB A2P 7 S200 Connector for DC fan motor 8 H1 H2 H3 Wire harness for terminal strip indoor outdoor transmission 9 FG Wire harness for terminal strip frame ground 10 JB Jumper for fan speed setting when compressor stops for thermostat OFF Refer to page 213...

Страница 32: ...t Improper operation may occur if you cut any of them INTELLIGENT EYE Sensor PCB A3P 1 S51 Connector for control PCB A1P 2 S52 Connector for room temperature thermistor R1T 3 S1W Indoor unit ON OFF switch 4 H1P LED for operation multi color 5 H2P LED for INTELLIGENT EYE green 6 JA Address setting jumper Refer to page 212 for details S52 S51 S1W JA H2P H1P 3P357402 2 1 S36 Connector for control PCB...

Страница 33: ...T R3T 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 controller 8 X33A Connector for wiring option 9 X35A Connector for wiring adaptor option 10 X70A Connector for indoor fan PCB A2P 11 F1U Fuse 3 15 A 250 V 12 HAP LED for service monitor green 13 DS1 DIP...

Страница 34: ...n 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 V 7 HAP LED for service monitor green 2P442228 16 2P442228 17 F2U X8A X3A X10A F4U X6A HAP ...

Страница 35: ...Connector for drain pump motor 7 X27A Connector for terminal block for inter unit wiring 8 X30A Connector for terminal block for wired remote controller 9 X33A Connector for adaptor for wiring option 10 X35A Connector for wiring adaptor for electrical appendices option 11 X36A Connector for swing motors on decoration panel option 12 X80A Connector for decoration panel BYFQ60B3W1 option 13 X81A Con...

Страница 36: ...art 3 Printed Circuit Board Connector Wiring Diagram 2 Sensor Kit for FFQ Series 2 1 BRYQ60A2W S Outline Thermopile Sensor A4P Pyroelectric Sensor A5P Thermopile sensor A4P Pyroelectric sensor A5P R25074 Connector 3P262610 1 Connector 3P262611 1 ...

Страница 37: ...te Controller Part 3 Printed Circuit Board Connector Wiring Diagram 31 3 Wired Remote Controller 3 1 BRC1E73 Wired Remote Controller PCB 1 P1 P2 Terminal for indoor unit 2 R4T Room temperature thermistor P2 R4T P1 2P619817 7 ...

Страница 38: ...or Wiring Diagram 4 Wireless Remote Controller Receiver for FDMQ Series 4 1 BRC082A43 Wired Remote Controller PCB 1 SS1 MAIN SUB setting switch Refer to page 220 for details 2 SS2 Address setting switch Refer to page 220 for details 3 P1 P2 Terminal for indoor unit control PCB A1P SS1 P2 P1 3P431101 2 SS2 ...

Страница 39: ...e appropriate wiring diagram 1 X1A Connector for receiver A3P 2 X2A Connector for control PCB A1P 3 SS1 MAIN SUB setting switch Refer to page 223 for details 4 SS2 Address setting switch Refer to page 223 for details 3P430100 4 X2A SS2 SS1 X1A 1 X1A Connector for transmitter board A2P 2 BS1 Emergency operation switch 3 LED1 H1P LED for operation red 4 LED2 H2P LED for timer green 5 LED3 H3P LED fo...

Страница 40: ...r way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 7 HL1 HN1 S Wire harness for terminal block 8 E1 E2 Wire harness for ground wire 9 HR1 HR2 Wire harness for reactor 10 FU1 FU2 Fuse 3 15 A 250 V 11 FU3 Fuse 20 A 250 V 12 J5 Jumper for warmer airflow setting Refer to page 227 for details 13 J6 Jumper for facility setting Refer to page 226 for...

Страница 41: ...ing Diagram 35 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 V150 V2 V3 FU1 FU2 HR1 HR2 S20 LED A S90 S30 J6 J5 J9 S40 2P504947 93 HL1 HN1 S S80 S71 ...

Страница 42: ...90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 6 HL1 HN1 S Wire harness for terminal block 7 E1 E2 Wire harness for ground 8 U V W Wire harness for compressor 9 FU1 FU2 Fuse 3 15 A 250 V 10 FU3 Fuse 30 A 250 V 11 J5 Jumper for warmer airflow setting Refer to page 227 for details 12 J6 Jumper for facility setting Refer to page 226 for details 13 J9 Jumper for...

Страница 43: ...g Diagram 37 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 LED A U V W 2P443814 57 2P443814 58 FU2 V1 FU1 V3 V2 E1 E2 HL1 HN1 S FU3 S80 S20 S40 S90 J6 J9 J5 S70 ...

Страница 44: ...FDMQ FFQ Series 60 3 1 Airflow Direction Control 60 3 2 Fan Speed Control for Indoor Unit 61 3 3 Program Dry Operation 62 3 4 Clock and Calendar Setting With BRC1E73 63 3 5 Schedule Timer Operation With BRC1E73 65 3 6 Setback Function With BRC1E73 69 3 7 Drain Pump Control 70 3 8 Hot Start Control In Heating Operation Only 72 3 9 Presence and Floor Sensors Option 73 3 10 Other Functions 76 4 Therm...

Страница 45: ...SiUS092230EA Part 4 Functions and Control 39 5 10 Liquid Compression Protection Function 89 5 11 Defrost Control 90 5 12 Electronic Expansion Valve Control 91 5 13 Malfunctions 94 ...

Страница 46: ...ature 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 frequency of the compressor is controlled by the following 2 parameters The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperature ...

Страница 47: ... 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 set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following functions regulate maximum frequency Low frequency Four wa...

Страница 48: ...tive repetition of vertical and horizontal swing motions enables uniform air conditioning of the entire room When the horizontal swing and vertical swing are both set to automatic operation the airflow becomes 3 D airflow The horizontal and vertical swing motions are alternated and the airflow direction changes in the order shown in the following diagram 1 The vertical blades louvers move from the...

Страница 49: ...oling The upper limit is at M tap in 30 minutes from the operation start Heating In heating operation the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermistor temperature and the target temperature The fan stops during defrost operation COMFORT AIRFLOW Operation The fan speed is controlled automatically within the following steps ...

Страница 50: ...hen the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Thermostat turns on also when the room temperature is in the zone B for 10 minutes Room thermistor temperature at start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 C or more 75 2 F or more Room thermistor temperature at start up X 2 5 C X 4 5 F ...

Страница 51: ...termines the target temperature Tt Ts 18 30 C 64 4 86 F 2 The target temperature Tt is calculated as Tt Ts C where C is the correction value C 0 C 0 F 3 Thermostat ON OFF point and operation mode switching point are as follows 1 Heating Cooling switching point Tr Tt 3 0 C 5 4 F 2 Cooling Heating switching point Tr Tt 2 5 C 4 5 F 3 Thermostat ON OFF point is the same as the ON OFF point of cooling ...

Страница 52: ...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 zone B Cooling 10 minutes Heating 10 seconds Cooling Heating Refer to Temperature Control on page 40 for details Zone B Zone B Zone A Zone A OFF OFF ON ON Zone C Zone C Room thermistor temperature target temperature 1 0...

Страница 53: ...aker capacity does not allow the use of multiple electrical devices and air conditioners It can be easily activated by pressing Econo Quiet button on the wireless 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 operation This function can only be set w...

Страница 54: ...g every 20 msec If the motion sensor detects 10 times or more of the wave output in one second in total and the High signal continues for 3 sec the microcomputer judges someone is in the room as the detection signal is ON 2 area INTELLIGENT EYE motion sensor divides the area into 2 and detects presence in each area Image of 2 area INTELLIGENT EYE R4003428 1 sec Sampling 20 msec High Low ON OFF Hig...

Страница 55: ...1 Detection signal ON in both areas A and B 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 right side 4 Detection signal OFF in both areas A and B No change When the detection signal is OFF for 20 minutes in both areas A and B the unit starts energy...

Страница 56: ...on in cooling POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or QUIET OUTDOOR UNIT operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C 64 4 F DRY Dry rotating speed A rpm Lowered by 2 5 C 4 5 F HEAT H tap A rpm 31 C 87 8 F FAN H tap A rpm AUTO Same as cooling heating in POWERFUL operation The target temperature is kept unchanged R24589 Target temp Fan...

Страница 57: ... status can be monitored even in automatic operation in accordance with the actual operation mode The lamp color changes according to the operation AUTO Red Blue DRY Green COOL Blue HEAT Red FAN White TIMER Orange Brightness Setting Each time Brightness button on the remote controller is pressed the brightness of the multi monitor lamp changes to high low or off Multi monitor lamp TIMER lamp R1992...

Страница 58: ... 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 rapidly increases or decreases the time display 5 Press Clock button to set the clock Point the remote controller at the indoor unit when pressing the button blinks and clock setting is completed 0 00 Se...

Страница 59: ... used for the weekend Make timer settings for programs Tuesday to Friday Saturday Sunday Program 1 Program 2 Program 3 Program 4 Use the copy mode to make settings for Tuesday to Friday because these settings are the same as thoseforMonday Program 1 Program 2 Program 3 Program 4 No timer settings Make timer settings for programs Program 1 Program 2 Program 3 Program 4 Up to 4 reservations per day ...

Страница 60: ...played 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 the desired mode Pressing changes the or setting in sequence ON TIMER OFF TIMER blank No Setting Pressing puts the sequence in reverse 5 Press 2 Press to select the desired day of the week and reservati...

Страница 61: ...rocedure from STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange if all the reservation settings are deleted A reservation made once can be easily copied and the same settings used for another day of the week Refer to Copy mode Notes on WEEKLY TIMER operation Do not forget to set the clock on...

Страница 62: ...copied The whole reservation of the selected day of the week will be copied Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and blinking of the multi monitor lamp The multi monitor lamp blinks twice The reservation will be copied to the selected day of the week The whole reservation of the selected day of the week will be copied To continue copying the...

Страница 63: ...o setting mode Proceed to Setting mode STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange if all the reservation settings are deleted disappears from the LCD The TIMER lamp goes off To reactivate the WEEKLY TIMER operation press again If a reservation deactivated with is activated once again ...

Страница 64: ... Press to select the day of the week and the reservation number to be deleted and or blink Pressing changes the ON OFF TIMER mode in sequence Selecting blank will cancel any reservation you may have This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations Be sure to direct the remote controller toward the indoor unit and c...

Страница 65: ...of the unit Press ON 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 The operation mode refers to the following table Forced cooling operation Forced cooling operation can be started by pressing ON OFF switch for 5 9 seconds while the unit is not operating Refer to page 206 for details Forced co...

Страница 66: ...low direction is controlled automatically Actual operation may be different from what is displayed on the remote controller Room temperature is higher than the remote controller s set temperature in heating operation When defrosting in heating operation The airflow is discharged horizontally to avoid blowing cold air directly on the room occupants Under continuous operation with the airflow discha...

Страница 67: ...n 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 automatically based on the difference between set temperature and room temperature R4003380 With Wireless Remote Controller BRC082A43 BRC082A41W BRC082A42W S Press FAN SPEED CONTROL button High Medium or Low fan speed can ...

Страница 68: ...arget 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 start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 5 C or more 76 1 F or more Room thermistor temperature at start up X 2 5 C X 4 5 F X 1 0 C X 1 8 F 16 5 24 C 61 7 75 2 ...

Страница 69: ...wn 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 Change the month with buttons Holding down the button causes the number to change continuously Select Day with buttons Change the day with buttons Holding down the button causes the number to change...

Страница 70: ...uttons 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 and December 31 2099 Press button to select Y es on the confirmation screen Press Menu OK button to confirm the clock and return to the basic screen When setting the schedule the display returns to...

Страница 71: ...mperature setpoints can be configured Indicates that 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 be utilized 1 Press buttons to select Schedule Press Menu OK button to display the schedule screen The date time screen will appear 2 Before setting ...

Страница 72: ...tterns screen will appear when Menu OK button is pressed Press buttons to select 7 Days Weekday Sat Sun Weekday Weekend or Everyday on the daily patterns screen The confirmation screen will appear when Menu OK button 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 R2407...

Страница 73: ... schedule screen The settings screen will appear when Menu OK button is pressed 2 Press buttons to select the day to be set It cannot be selected in the case of EVDY 3 Input the time for the selected day Press buttons to move the highlighted item and press buttons to input the desired operation start time Each press of buttons moves the numbers by 1 hour or 1 minute ...

Страница 74: ...the 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 period 5 A maximum of five actions per day can be set Press Menu OK button when settings for each day are completed The confirmation screen will appear T o copy the settings for the previous day press...

Страница 75: ...becomes active when the indoor unit is turned off by either the user a schedule event or an off timer Setback function is not available by default It can be enabled by the system installer 1 2 3 Display 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 d...

Страница 76: ... switch Error display Thermostat running OFF OFF ON ON ON OFF Drain pump ON OFF R24037 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 OFF even after the residual operation of the drain pump has ended the error code A3 is determined 3 The drain pump turns OFF once residual operati...

Страница 77: ...ON ON ON OFF ON OFF 5 min 5 sec 5 sec 5 min 5 min 5 sec Float switch Error display Thermostat running Drain pump R24611 A3 R24370 OFF Float Switch ON ON Thermostat running OFF ON A3 AF Error Display OFF ON Drain Pump OFF 1st 5 sec 5 sec 5 sec 5 sec 4th 5th 5 sec 5 min 5 min 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 ...

Страница 78: ...ensure startup capacity Details R4003450 TH3 Temperature detected by the indoor heat exchanger thermistor R3T Defrost ending or oil return ending or Thermostat ON The fan is not OFF before initiating the hot start LL The fan is OFF before initiating the hot start OFF Hot start control Hot start in progress Normal operation Normal operation H M L remote controller setting LL OFF Remote controller s...

Страница 79: ... is enabled only when decoration panel BYFQ60C2W1W S sensor kit BRYQ60A2W S and wired remote controller BRC1E73 are connected to the main unit and draft prevention is set to enabled on the wired remote controller Factory setting is disabled Draft prevention cannot be activated when individual flap control is set even if draft prevention is enabled on the wired remote controller Setting on the wire...

Страница 80: ...remote controller Factory setting is disabled Setting on the remote controller R4003390 2 3 4 5 1 Press buttons to select Auto setback by Sensor Press Menu OK button to display Auto setback by Sensor menu Press buttons to select Enable Disable Press Menu OK button Press buttons to select Enable Press Menu OK button after selecting the item Then the confirmation screen is displayed Press buttons to...

Страница 81: ... button to display Auto off by Sensor menu Press buttons to select Enable Press buttons to go into the auto off time setting Press buttons to set auto off hour s 1 24 Press Menu OK button Then the confirmation screen is displayed Press Cancel button for 4 seconds on the basic screen to display Service Settings menu Press buttons to select Energy Saving Options Press Menu OK button to display Energ...

Страница 82: ...controller the unit emits a signal receiving sound 3 10 2 Auto restart Function If a power failure even a momentary one occurs during the operation the system restarts automatically in the same conditions as before when 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 10 3 Emergenc...

Страница 83: ...SiUS092230EA Functions for FDMQ FFQ Series Part 4 Functions and Control 77 FFQ Series Emergency operation switch R24077 ...

Страница 84: ...rmistor 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 function and so on 4 Indoor Heat Exchanger Thermistor The indoor heat exchanger thermistor is used for controlling the target discharge pipe temperature The system sets the target discharge pipe tempera...

Страница 85: ...itioner control mode Forced operation mode Forced cooling operation for pump down operation Power transistor test mode Normal operation mode Fan Cooling includes drying Heating Heating Defrosting Stop indoor unit OFF Preheating control Discharging from capacitor Stop R22375 Command frequency Limit frequency Skip control Upper limit function Compressor protection function Lower limit function Four ...

Страница 86: ...arting the compressor the frequency is initialized according to the D value of the indoor unit D signal Indoor frequency command The difference between the room thermistor temperature and the target temperature is taken as the D value and is used for D signal of frequency command D signal for cooling OFF Thermostat OFF D signal for heating OFF Thermostat OFF Temperature difference D signal Tempera...

Страница 87: ...are set according to the command of the indoor unit When the indoor unit quiet or QUIET OUTDOOR UNIT operation command comes from the indoor unit the upper limit frequency is lower than the usual setting 5 3 Controls at Mode Changing Start up 5 3 1 Preheating Control Outline The inverter operation in open phase starts with the conditions of the outdoor temperature the discharge pipe temperature th...

Страница 88: ...nce to activate the four way valve is acquired when the output frequency is higher than a certain fixed frequency for a certain fixed time Details Starting Conditions 1 When the compressor starts and the four way valve switches from OFF to ON 2 When the four way valve switches from ON to OFF during operation 3 When the compressor starts after resetting 4 When the compressor starts after the fault ...

Страница 89: ... the compressor from OFF to ON the upper limit of frequency is set as follows The function is not used when defrosting 09 12 class 15 18 24 class A Hz 40 52 B Hz 54 68 C Hz 72 80 D Hz 90 E Hz F seconds 180 300 G seconds 420 200 H seconds 180 460 J seconds 120 K seconds sec Time R23251 Hz Frequency C D E B F G H J K A ...

Страница 90: ...ing further Details Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit of frequency increases Reset zone The upper limit of frequency is canceled 09 12 class 15 18 24 class C F C F A 110 230 0 110 230 0 B 103 217 4 103 217 4 C 98 208 4 101 ...

Страница 91: ... stopped Dropping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is lowered by 2 Hz every second until it reaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current dropping and stop value according to the outdoor temperature The current drops when...

Страница 92: ...ressure safety device the below control function will be activated Details Indoor heat exchanger temperature Stop zone Dropping zone Keep zone Up zone Reset zone Pressure 4 15 MPa 602 psi High Pressure Protection Control Heating Peak cut control Condensing temperature HPS 4 15 MPa 602 psi Compressor on Compressor stop E3 E5 indication Stopped 4 times in 60 minutes Abnormal stop E3 E5 indication No...

Страница 93: ...ze up protection control starts when any of the following conditions is satisfied The indoor heat exchanger temperature remains at A or lower for 1 minute The accumulated time that the indoor heat exchanger temperature remains at B or lower reaches 40 minutes Accumulated timer clearing condition The indoor heat exchanger temperature remains at C or higher for 20 minutes Ending condition The indoor...

Страница 94: ...7 4 F 0 C 32 0 F 5 C 41 0 F Indoor heat exchanger temperature R2T Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept Up zone The upper limit of frequency increases Reset zone The upper limit of frequency is canceled 09 12 class 15 class 18 class 24 class C F C F C...

Страница 95: ... 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 during POWERFUL operation 7 Fan speed control during indoor unit quiet QUIET OUTDOOR UNIT operation The rotation speed of the outdoor fan is reduced by the command of the indoor unit quiet QUIET OUTDOOR UNIT operation 8 ...

Страница 96: ...rost control of accumulated 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 12 class 15 18 class 24 class A minute 20 25 44 44 B C 2 20 6 12 6 12 F 35 6 68 0 42 8 53 6 42 8 53 6 C Hz 64 48 48 D Hz 64 70 70 E seconds 40 60 60 F seconds 60 60 60 G seconds 120 630...

Страница 97: ...en 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 operation mode R4003560 Available Not available Control Status Starting operation control Control when the frequency changes Target discharge pipe temperature control Discharge pipe thermistor disconnectio...

Страница 98: ...efrosting 5 12 4 Starting Operation Control The electronic expansion valve opening is controlled when the operation starts thus preventing superheating or liquid compression 5 12 5 Control when the Frequency Changes When the target discharge pipe temperature control is active if the target frequency changes to a specified value in a certain time period the target discharge pipe temperature control...

Страница 99: ...sor runs for 60 minutes without any error the error 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 timer is over the following adjustment is made 1 When the operation mode is cooling When the following condition is fulfilled the discharge pipe thermisto...

Страница 100: ...ening of the electronic expansion valve 5 13 Malfunctions 5 13 1 Sensor Malfunction Detection Sensor malfunction can be detected in the following thermistor 1 Outdoor heat exchanger thermistor 2 Discharge pipe thermistor 3 Radiation fin thermistor 4 Outdoor temperature thermistor 5 13 2 Detection of Overcurrent and Overload Outline An excessive output current is detected and the OL temperature is ...

Страница 101: ...SiUS092230EA Part 5 Remote Controller 95 1 Applicable Remote Controller 96 2 ARC466A36 97 3 BRC082A43 99 4 BRC082A41W BRC082A42W S 101 5 BRC944B2 103 6 BRC1E73 104 Part 5 Remote Controller ...

Страница 102: ...on Manual URL https global1d daikin com business_portal login Type Model Name Wireless R C Reference Page Wired R C Reference Page Wall Mounted FTXR09WVJUW9 ARC466A36 97 BRC944B2 option 103 FTXR09WVJUS9 FTXR12WVJUW9 FTXR12WVJUS9 FTXR18WVJUW9 FTXR18WVJUS9 Duct Concealed FDMQ09WVJU9 BRC082A43 99 BRC1E73 104 FDMQ12WVJU9 FDMQ15WVJU9 FDMQ18WVJU9 FDMQ24WVJU9 Ceiling Cassette FFQ09W2VJU8 BRC082A42W 101 F...

Страница 103: ...If there is anything to block signals between the unit and the remote controller such as a curtain the unit will not operate The maximum distance for communication is about 19 11 16 ft 6 m Make sure that there are no obstacles within 19 11 16 inch 50 cm under the signal receiver Such obstacles if any may have an adverse influence on the reception performance of the receiver and the reception dista...

Страница 104: ...UTDOOR UNIT operation is not available in FAN and DRY operation QUIET OUTDOOR UNIT operation and ECONO operation cannot be used at the same time with POWERFUL operation Priority is given to the function you pressed last Econo 4 Quiet button Blank No setting Combination Comfort Sensor button COMFORT AIRFLOW Operation 2 INTELLIGENT EYE Operation 3 INTELLIGENT EYE COMFORT AIRFLOW Every time you press...

Страница 105: ...C082A43 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 front cover of the remote control R25007 18 19 21 16 20 17 ...

Страница 106: ...SETTING 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 Operates with the front cover of the remote controller opened TIMER MODE START STOP BUTTON TIMER RESERVE CANCEL BUTTON OPERATION MODE SELECTOR BUTTON Press this button to select OPERATION MODE FILTER SIG...

Страница 107: ...SiUS092230EA BRC082A41W BRC082A42W S Part 5 Remote Controller 101 4 BRC082A41W BRC082A42W S R23936 R23937 ...

Страница 108: ...s the button again and the system will stop Press this button to select the fan speed LOW MEDIUM or HIGH of your choice Use this button for setting temperature TIMER MODE START STOP BUTTON TIMER RESERVE CANCEL BUTTON AIRFLOW DIRECTION ADJUST BUTTON OPERATION MODE SELECTOR BUTTON FILTER SIGN RESET BUTTON INSPECTION TEST OPERATION BUTTON EMERGENCY OPERATION SWITCH RECEIVER OPERATION LAMP Red TIMER L...

Страница 109: ...roller 103 Caution 5 BRC944B2 R5000214 This remote controller cannot be used together with a standard wireless remote controller Otherwise what appears on this remote controller s display may fail to correspond to actual operating conditions ...

Страница 110: ... Remote Controller 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 button 2 Fan speed control button ...

Страница 111: ...ill 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 functionality Press this button to select the fan speed of your preference Available fan speeds vary with the indoor unit model Used to enter the main menu Used to enter the selected item Used to raise the s...

Страница 112: ...tailed 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 and selectable item appear on Detailed display screen in addition to the items appearing on Standard display Displayed only when the indoor unit is turned on with no fan speed control function with no...

Страница 113: ...Fan 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 instead of the operation mode and or the setpoint may not be displayed Note for all display modes ...

Страница 114: ...ted 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 These icons indicate the current ventilation mode ERV only AUTO ERV BYPASS Air Purify ICON This icon indicates that the air purifying unit Optional is in operation Used to display the fan speed that...

Страница 115: ...odel 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 24 hour time display option in the main menu under Clock Calendar Room temperature is selected by default For other choices see the operation manual Displayed when the clock needs to be set The schedu...

Страница 116: ...ng for FDMQ FFQ Series 139 6 1 Indoor Unit PCB Abnormality 139 6 2 Drain Level Control System Abnormality 140 6 3 Indoor Fan Motor or Related Abnormality 141 6 4 Indoor Fan PCB Abnormality 146 6 5 Humidifier or Related Abnormality 147 6 6 Thermistor or Related Abnormality 148 6 7 Presence Sensor or Floor Sensor Abnormality 149 6 8 Remote Controller Thermistor Abnormality 150 6 9 Low voltage Detect...

Страница 117: ...hermistor or Related Abnormality Outdoor Unit 182 7 16 Electrical Box Temperature Rise 184 7 17 Radiation Fin Temperature Rise 185 7 18 Output Overcurrent Detection 187 8 Check 190 8 1 Thermistor Resistance Check 190 8 2 Indoor Fan Motor Connector Check 191 8 3 Power Supply Waveform Check 192 8 4 Electronic Expansion Valve Check 193 8 5 Four Way Valve Performance Check 194 8 6 Inverter Unit Refrig...

Страница 118: ... 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 240 Diagnose with remote controller indication 125 The unit operates but does not cool or does not heat Check for wiring and piping errors in the connection between the indoor unit and outdoor unit Check for ther...

Страница 119: ...at the same time Blink every 0 5 seconds This is a notification of an abnormality Conduct the diagnostic procedure described in the following pages FDMQ FFQ Series with BRC1E73 Wired Remote Controller The operation lamp blinks when any of the following errors is detected 1 When a protection device of the indoor or outdoor unit is activated or when the thermistor malfunctions 2 When a signal transm...

Страница 120: ...ct occurs the operation lamp does not blink 1 Check if the operation modes are all the same for the indoor units connected to multi system outdoor unit 2 If not set all the indoor units to the same operation mode and confirm that the operation lamp is not blinking 3 Moreover when the operation mode is automatic set all the indoor unit operation mode as cooling or heating and check again if the ope...

Страница 121: ...oor 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 turns OFF while the standby electricity saving function is activated and the power supply is OFF Refer to page 34 36 for the location of LED A ...

Страница 122: ...r Cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error code try method 2 Refer to page 117 The code indication changes in the sequence shown below ARC466A36 R24045 ARC466 Series Timer Cancel button No Code No Code No Code No Code No Code 1 00 10 E6 19 C9...

Страница 123: ...button 3 Press Mode button to enter the service check mode The left side number blinks R6000373 4 Press Temp or Temp button and change the number until you hear the two consecutive beeps or the long beep 5 Diagnose by the sound Beep The left side number does not correspond with the error code Two consecutive beeps The left side number corresponds with the error code but the right side number does ...

Страница 124: ...he sound Beep The left side number does not correspond with the error code Two consecutive beeps The left side number corresponds with the error code but the right side number does not Long beep Both the left side and right side numbers correspond with the error code 9 Determine the error code The numbers indicated when you hear the long beep are the error code Refer to page 125 10 Press Mode butt...

Страница 125: ...intenance 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 control Menu display Confirmation of each setting On Off Cancel Operation lamp Press Cancel button for 4 seconds or more Press Cancel button once Press Cancel button for 4 seconds or more Press Cancel b...

Страница 126: ...button 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 lamp will flash For Simple display the message is not displayed and only the Operation lamp flashes The Operation lamp will not flash For Simple display the message is not displayed and the Operation la...

Страница 127: ...ng codes can 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 setting Press INSPECTION TEST OPERATION button once Press ON OFF button within 10 seconds to start test operation Test operation will stop automatically after 15 30 minutes Thermostat is forcib...

Страница 128: ...t 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 h s 1 operation in step 4 until you hear a long beep This long beep indicates that the error code is confirmed y t i l a m r o n b a o n s i e r e h T p e e b g n o l 1 R24051 OPERATION MODE SELECTOR...

Страница 129: ...DE 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 digit matches h c t a m s t i g i d o N p e e b t r o h s 1 h c t a m s t i g i d r e w o l d n a r e p p u h t o B p e e b g n o l 1 R24052 OPERATION MODE SELECTOR button ...

Страница 130: ...SELECTOR 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 F E J C H A 9 8 7 6 5 4 3 2 1 0 If you hear Then 2 short beeps No digits match h c t a m s t i g i d r e w o l d n a r e p p u h t o B p e e b g n o l 1 R24053 OPERATION MODE SELECTOR button ...

Страница 131: ...y 132 148 148 C5 148 148 C7 Front panel open close fault 133 C9 Room temperature thermistor or related abnormality 132 148 148 CE Presence sensor or floor sensor abnormality 149 CJ Remote controller thermistor abnormality 150 150 Outdoor Unit E1 Outdoor unit PCB abnormality 158 E3 Actuation of high pressure switch 159 E5 OL activation compressor overload or HPS activation high pressure switch 161 ...

Страница 132: ...lity Error Code A1 Method of Error Detection The system checks if the circuit works properly within the microcomputer of the indoor unit Error Decision Conditions The system cannot set the internal settings Supposed Causes Wrong models interconnected Defective indoor unit PCB Disconnection of connector Reduction of power supply voltage ...

Страница 133: ...tage Start operation Voltage as rated Error repeats Error repeats Combination of the indoor and outdoor unit matched YES NO NO YES NO NO YES Caution To secure the connection disconnect the connectors once and then reconnect YES NO YES NO YES NO YES Match the compatible models Correct the power supply Replace the indoor unit PCB control PCB Completed Completed Correct the power supply Replace the i...

Страница 134: ...ating peak cut control During heating operation the indoor heat exchanger temperature is above 62 5 C 144 5 F Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust accumulation on the indoor heat exchanger Defective indoor heat exchanger thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 190 NO NO NO Check No 01 Check the indoor heat exchanger ther...

Страница 135: ...rmines abnormal 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 Supposed Causes Remarkable decrease in power supply voltage Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective cap...

Страница 136: ...tor 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 voltage 310 340 VDC Turn off the power and rotate the fan by hand Turn on the power and start operation Check No 02 Check the output of the fan motor connector R22444 YES NO YES NO YES NO Replace the indoor fan motor Re...

Страница 137: ...SiUS092230EA Troubleshooting for FTXR Series Part 6 Service Diagnosis 131 Note Reference The rotation pulse is the feedback signal from the indoor fan motor Check No 02 Refer to P 191 ...

Страница 138: ... Supposed Causes Disconnection of connector Defective thermistor s Defective indoor unit PCB Troubleshooting C4 Indoor heat exchanger thermistor C9 Room temperature thermistor Check No 01 Refer to P 190 YES R21870 NO Check No 01 Check the thermistor resistance value YES NO Caution Correct the connection Replace the defective thermistor s Replace the indoor unit PCB control PCB Normal Normal Check ...

Страница 139: ...til the initialization finishes Operate the unit by the indoor unit ON OFF switch YES YES YES YES NO NO NO NO Replace the harness and reduction motor Replace the assembly of the front panel mechanism Check the movement of the right and left separately by hand Replace the assembly of the front panel mechanism It is supposed such as deformation of the panel or stuffed dust Find out the cause Replace...

Страница 140: ... 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 circuit to the microcomputer over 458 500 V depending on the model The compressor stops if the error occurs and restarts automatically after 3 minute standby Supposed Causes Power supply voltage out o...

Страница 141: ... 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 for at least 30 seconds Disturbance factors Noise Power supply distortion Turn on the power System restarted Repeat a few times Loose or disconnected NO NO Replace the outdoor fan motor and the outdo...

Страница 142: ...her 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 out of specification Reduction of power supply voltage Wiring error Breaking of the connection wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding...

Страница 143: ...or unit outdoor unit connection wires 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 disturbance Is there any wiring error Check the indoor unit outdoor unit connection wires Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before connecting or disconnecting co...

Страница 144: ... 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 YES NO Match the compatible models OK Correct the connection Check the code numbers 2P012345 for example of the indoor and outdoor unit PCB with the Parts List If not matched change for the correct PCB A...

Страница 145: ...t can 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 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...

Страница 146: ...Be 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 drain system abnormality Connect the float switch Replace the float switch Replace the indoor unit PCB control PCB R25079 NO YES NO NO YES YES Is the drain pump connected to X25A on the indoor uni...

Страница 147: ...ctors Disconnection of the connector between the 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 NO YES NO Connect the connector correctly NO YES YES Replace the fuse There is a continuity in the fuse 2 on the fan PCB or fan motor harness NO The fan m...

Страница 148: ...utes NO NO Replace 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 lamp on the fan PCB is not blinking YES YES Check the fan motor connectors Check No 02 Replace the fan PCB A2P When A6 abnormality still reoccurs replace the fan motor A Turn ON the power su...

Страница 149: ...8 Error Code A6 Method of Error Detection The rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The fan motor is not revved up Supposed Causes Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective indoor unit PCB ...

Страница 150: ... connector YES YES NO NO Note The motor may break when the motor connector is disconnected while the power is turned on Be sure to turn off the power before reconnecting the connector Replace the indoor unit PCB control PCB Replace the indoor unit PCB control PCB Motor power supply voltage 290 330 VDC or more R24054 YES NO Replace the indoor unit PCB control PCB Replace the indoor fan motor Motor ...

Страница 151: ...SiUS092230EA Troubleshooting for FDMQ FFQ Series Part 6 Service Diagnosis 145 Reference Check No 02 Refer to P 191 ...

Страница 152: ...ff the power switch before 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 fan PCB connected correctly Connect the connector correctly NO YES Is the connector X70A on the indoor unit control PCB connected correctly Replace the harness YES Is the harnes...

Страница 153: ...idifier 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 NO NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged The float switch may be defective Check if the drain up height and the hori...

Страница 154: ... changing 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 values correspond with the values in the table of thermistor resistance check C4 Indoor heat exchanger thermistor 1 liquid pipe R2T C5 Indoor heat exchanger thermistor 2 R3T C9 Room temperature thermis...

Страница 155: ...sensor kit PCB Troubleshooting If the cause of the problem is related to the sensors the sensors should be checked prior to changing the indoor unit PCB When replacing the defective sensor s replace the sensor kit as ASSY R24577 YES NO Check the connection of connectors on the sensor kit YES NO Caution Correct the connection Connect the connectors properly Normal Normal Turn off the power Then tur...

Страница 156: ...it 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 of error codes press ON OFF button on the remote controller for 4 seconds or more while the error code is displayed in the inspection mode Replace the remote controller External factor other than ...

Страница 157: ... 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 circuit to the microcomputer over 458 500 V depending on the model The compressor stops if the error occurs and restarts automatically after 3 minute standby Supposed Causes Power supply voltage out...

Страница 158: ...ed 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 for at least 30 seconds Disturbance factors Noise Power supply distortion Turn on the power System restarted Repeat a few times Loose or disconnected NO NO Replace the outdoor fan motor and the out...

Страница 159: ...t 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 out of specification Reduction of power supply voltage Wiring error Breaking of the connection wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding Defe...

Страница 160: ...n the 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 disturbance Is there any wiring error Check the connection wires between the indoor unit and the outdoor unit Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before connectin...

Страница 161: ... pages 219 and 220 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 monitor s blink Does operation return to normal when the power is turned off momentarily NO NO YES YES NO Replace the indoor unit PCB control PCB Set 1 remote controller to SUB turn the power supp...

Страница 162: ...ollers when using 2 remote controllers Defective remote controller PCB Troubleshooting For the way to change MAIN SUB setting of remote controllers refer to pages 219 and 220 Turn the power off and then back on If a malfunction occurs replace the remote controller Turn the power off and then back on If a malfunction occurs replace the remote controller Set one remote controller to MAIN turn the po...

Страница 163: ...ld be incorrect 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 service monitor s blink Are the wirings between indoor unit and outdoor unit correctly connected Connect the wirings correctly NO Is the optional units power supply connected from the indoor unit t...

Страница 164: ... program runs out of control The zero cross signal is not detected Supposed Causes Defective 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 damaged Continuously ON OFF Blink YES R24717 NO Replace the outdoor unit PCB main PCB Ground the system Zero cr...

Страница 165: ...t of the high pressure switch opens Error Decision Conditions High pressure switch S1PH activating pressure 4 15 MPa 602 psi High pressure switch S1PH recovery pressure 3 2 MPa 464 psi Supposed Causes Actuation of high pressure switch S1PH Closed stop valve Disconnection of connector S40 Disconnection of 2 terminals of high pressure switch S1PH Defective outdoor unit PCB Broken S1PH harness Defect...

Страница 166: ...ressure switch Replace the high pressure switch S1PH Disconnect the connector S40 from the PCB Replace the outdoor unit PCB main PCB Disconnect the 2 terminals of the high pressure switch S1PH NO YES High pressure switch connector S40 properly connected Reconnect the connector Check the resistance between the 2 terminals of the high pressure switch S1PH R22435 Caution Be sure to turn off the power...

Страница 167: ...set condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Disconnection of indoor or outdoor heat exchanger thermistor Defective discharge pipe thermistor Defective indoor or outdoor heat exchanger thermistor Disconnection of connector S40 Disconnection of 2 terminals of OL Q1L Disconnection of 2 terminals of HPS S1PH Defec...

Страница 168: ...he coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the outdoor unit PCB main PCB Thermistor disconnected NG OK Replace the defective thermistor s Check No 01 Check the thermistor resistance value Check No 13 Check the four way valve Check No 14 Check the refrigerant line Check No 12 Check the electronic expansi...

Страница 169: ...rence OL Q1L activating temperature 130 C 266 F OL Q1L recovery temperature 95 C 203 F High pressure switch S1PH activating pressure 602 psi 4 15 MPa High pressure switch S1PH recovery pressure 464 psi 3 2 MPa Check No 01 Refer to P 190 Check No 12 Refer to P 193 Check No 13 Refer to P 194 Check No 14 Refer to P 194 ...

Страница 170: ...r repeats the system 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 of connector S40 Disconnection of 2 terminals of OL Q1M Defective OL Q1M Broken OL harness Defective electronic expansion valve or coil Defective four way valve or coil Defective ou...

Страница 171: ...e electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the outdoor unit PCB main PCB Discharge pipe thermistor disconnected Check No 01 Check the discharge pipe thermistor Check No 13 Check the four way valve Check No 14 Check the refrigerant line Check No 12 Check the electronic ex...

Страница 172: ...Troubleshooting for Outdoor Unit SiUS092230EA 166 Part 6 Service Diagnosis Reference Reference Check No 13 Refer to P 194 Check No 14 Refer to P 194 ...

Страница 173: ...f 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 again and restart the system Precaution before turning on the power again Make sure the power has been off for at least 30 seconds Correct the power supply or replace the outdoor unit PCB main PCB Ope...

Страница 174: ...auses Disconnection of the fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting R6000892 Check No 16 Refer to P 198 Caution YES YES NO YES NO NO YES NO Turn on the power Rotate the fan Check No 16 Check the outdoor fan motor Turn off the power and reconnect the connector Remove the foreign matters Replace the outdoor fan motor Replace the outdoor...

Страница 175: ...nt value with the compressor running Error Decision Conditions The current exceeds about 12 0 12 5 A depending on the model for 2 5 seconds with the compressor running The upper limit of the current decreases when the outdoor temperature exceeds a certain level Supposed Causes Outdoor temperature is out of operation range Defective compressor Defective power module Defective outdoor unit PCB Short...

Страница 176: ...fter the wires have been disconnected and reconnected for part replacement check the wiring again R21863 NO YES YES NO Start operation and measure the input current Check No 18 Check the discharge pressure Check No 17 Check the installation condition Check No 15 Check with the inverter analyzer Turn off the power and disconnect the harnesses U V and W Turn off the power and reconnect the harnesses...

Страница 177: ...e following condition continues over 10 minutes after operating for 5 minutes Cooling Dry A B 5 C A B 9 F Heating B A 5 C B A 9 F A Room thermistor temperature B Indoor heat exchanger temperature If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of four way valve coil Defective four way valve coil ...

Страница 178: ...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 Refrigerant shortage Water mixed Stop valve Four way valve coil disconnected loose Harness disconnected Any thermistor disconnected Check No 01 Check the thermistors Check No 14 Check the refrigerant line Check...

Страница 179: ...r 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 Troubleshooting Check No 01 Refer to P 190 Check No 12 Refer to P 193 Check No 14 Refer to P 194 A B C F C F 09 12 class 110 230 88 190 4 15 18 24 class 110 230 95 203 R20417 Caution NG OK OK OK NG ...

Страница 180: ...re sensed by the outdoor heat exchanger thermistor exceeds the limit Error Decision Conditions The temperature sensed by the outdoor heat exchanger thermistor rises above 57 5 60 C 135 5 140 F depending on the model Supposed Causes Installation space not large enough Dirty outdoor heat exchanger Defective outdoor fan motor Defective stop valve Defective electronic expansion valve or coil Defective...

Страница 181: ... 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 the outdoor heat exchanger Check the installation space NG OK OK NG NG OK OK OK NG NG Check No 19 Check the outdoor fan Check No 18 Check the discharge pressure Check No 12 Check the electronic expan...

Страница 182: ...ation Supposed Causes Abnormal operation due to air intrusion Defective discharge pipe thermistor Troubleshooting Check No 01 Refer to P 190 YES R23655 NO OK NG Caution Replace the outdoor unit Replace both the discharge pipe thermistor and the outdoor unit PCB main PCB Replace the outdoor unit Abnormal deformation of piping in the outdoor unit Check No 01 Check the discharge pipe thermistor Be su...

Страница 183: ...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 switch before connecting or disconnecting connectors or parts may be damaged NO R24613 YES Turn off the power Then turn on the power to restart the system YES NO Replace the harness Replace the outdoor unit PCB main ...

Страница 184: ...dition 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 Causes Power supply voltage out of specification Disconnection of the compressor harness Defective compressor Defective outdoor unit PCB Start up failure caused by the closed stop valve Input voltag...

Страница 185: ...alyzer Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor harnesses connected as specified Replace the outdoor unit PCB main PCB Correct the power supply or replace the outdoor unit PCB main PCB Replace the compressor Reconnect the electrical components or compressor harnesses as specified Replace the...

Страница 186: ...Troubleshooting for Outdoor Unit SiUS092230EA 180 Part 6 Service Diagnosis Reference Reference Reference Check No 15 Refer to P 195 Check No 18 Refer to P 199 Check No 20 Refer to P 200 ...

Страница 187: ...sed 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 other error Supposed Causes Defective outdoor unit PCB Troubleshooting Replace the outdoor unit PCB main PCB Caution Be sure to turn off the power switch before connecting or disconnecting connectors or ...

Страница 188: ...or 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 thermistor Defective thermistor s Defective heat exchanger thermistor in the case of J3 error outdoor heat exchanger thermistor in cooling operation or indoor heat exchanger thermistor in heating operati...

Страница 189: ... defective thermistor s of the following thermistors Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Cooling Outdoor heat exchanger temperature Heating Indoor heat exchanger temperature Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB main PCB Error displayed again on remote controller Indoor heat exchanger thermistor functioning ...

Страница 190: ...tive outdoor unit PCB Troubleshooting Check No 17 Refer to P 199 Check No 19 Refer to P 200 A B C C F C F C F 09 12 class 82 179 6 65 149 70 158 15 18 24 class 90 194 64 147 2 81 177 8 Caution WARNING To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C and stops when the radiation fin temperature drops below B R22998 YES NO YES NG NO OK NO YES ...

Страница 191: ...compressor on is above A 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 Causes Defective outdoor fan motor Short circuit Defective radiation fin thermistor Disconnection of connector Defective outdoor unit PCB Silicone grease not applied properly ...

Страница 192: ...necting 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 PCB been replaced Check if silicone grease is applied properly on the radiation fin If not apply the silicone grease Replace the outdoor unit PCB main PCB Replace the outdoor fan motor Correct the c...

Страница 193: ... is running A rotation speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circuit to the microcomputer If the error repeats the system is shut down Reset condition Continuous run for about 11 minutes without any other error Supposed Causes Poor installation condition Closed stop valve Defective power module Wrong internal wi...

Страница 194: ...pply voltage Monitor the power supply voltage discharge and suction pressures and other factors for a long term Possible causes Momentary drop of power supply voltage Compressor overload Short circuit Check the installation condition Check with the inverter analyzer Check the power module Not a malfunction Keep observing Check the connectors and other components Fully open the stop valve Correct t...

Страница 195: ...EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 189 Reference Reference Reference Reference Check No 15 Refer to P 195 Check No 17 Refer to P 199 Check No 18 Refer to P 199 Check No 22 Refer to P 202 ...

Страница 196: ...ng multimeter To check the thermistor soldered on a PCB disconnect the PCB from other PCB parts and measure the resistance between the both ends of soldered thermistor R6000517 When replacing the defective thermistor s replace the thermistor as ASSY Multimeter Resistance range Thermistor ASSY Soldered thermistor Multimeter Thermistor temperature Type A C F R 25 C 77 F 20 kΩ B 3950 K 20 4 197 8 15 ...

Страница 197: ...Turn the power 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 points Judgement White Blue 1 MΩ or more Orange Blue 100 kΩ or more Brown Blue 100 Ω or more Red Blue 100 kΩ or more 7 6 5 4 3 2 1 S200 Motor power supply voltage 310 340 VDC Unused Unused ...

Страница 198: ...k Check No 11 Measure the power supply waveform between No 1 and No 2 on the terminal strip and check the waveform disturbance Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform disturbance near the zero cross sections circled in Fig 2 8 7 6 5 4 3 2 1 X20A R24373 Motor power supply voltage 290 330 VDC Unused Unused GND Motor control voltage 15 VDC Rotation command v...

Страница 199: ...oes not generate a latching sound in step 2 disconnect the connector and check the continuity using a multimeter 4 Check the continuity between the pins 5 1 5 2 5 3 5 4 between the pins 6 1 6 2 6 3 and 6 4 for the 6P connector models If there is no continuity between the pins the EV coil is faulty 5 If the continuity is confirmed in step 3 the outdoor unit PCB main PCB is faulty Harness 5P 5P Conn...

Страница 200: ...Four way 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 2000 Ω S80 voltage at 208 230 VAC with compressor on Fig 1 R14674 Fig 1 Compressor ON Voltage at S80 208 230 VAC Time Refrigerant system check Is the discharge pipe thermistor disconnected fro...

Страница 201: ...in 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 wire on the terminals it is possible to connect wires available on site to the outdoor unit from output side of PCB Do not connect them to the compressor at the same time otherwise it may result in i...

Страница 202: ...OK button Basic screen returns and Test Operation is displayed at the bottom 5 Press On Off button within 10 seconds 3 minutes after pressing On Off button power transistor test operation will start FDMQ FFQ Series with Wireless Remote Controller BRC082A43 BRC082A41W BRC082A42W S 1 Turn the power on 3 Press twice TEST is displayed 2 Press and select FAN operation Test operation will stop automatic...

Страница 203: ...with the main PCB If OK in Check No 22 check 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 1 When the output frequency is low the LEDs blink slowly As the output frequency increases the LEDs blink quicker The LEDs look like they are lit 2 On completion of the inverter analyz...

Страница 204: ...C 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 the fuse is melted check the outdoor fan motor for proper function If NG in step 2 Defective PCB Replace the outdoor unit PCB main PCB If NG in step 4 Defective Hall IC Replace the outdoor fan motor If OK in bot...

Страница 205: ... 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 temperature The outdoor temperature should be within the operation range R21121 YES YES YES NO NO NO NO YES Is the air filter or indoor outdoor heat exchanger dirty Is the connection pipe deformed Is...

Страница 206: ...ring to the table below If the resistance is or less than 1 k short circuit occurs on the main circuit 09 12 class R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Reconnect the connector Is the outdoor fan running Fan motor lead wire connector disconnected Go to Check No 16 Positive terminal of digital multimeter 2 3 4 2 3 1 Negative terminal of digital multimet...

Страница 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...

Страница 208: ...on on the connector Follow the procedure below to measure resistance between the terminals of the power module and the terminals of the compressor with a multimeter Evaluate the measurement results referring to the following table 09 12 class Positive terminal of digital multimeter Power module UVW Power module UVW Negative terminal of digital multimeter UVW Power module UVW Power module Resistanc...

Страница 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...

Страница 210: ...ield Settings 214 5 2 Overview of Field Settings for FDMQ Series 217 5 3 Overview of Field Settings for FFQ Series 218 5 4 MAIN SUB Setting when Using 2 Wired Remote Controllers 219 5 5 MAIN SUB and Address Setting for Wireless Remote Controller for FDMQ Series 220 5 6 MAIN SUB and Address Setting for Wireless Remote Controller for FFQ Series 223 6 Field Settings for Outdoor Unit 226 6 1 Facility ...

Страница 211: ... 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 After 2 to 3 minutes close the gas stop valve and stop the forced cooling operation 5 Attach the valve cap once procedures are complete Refer to Forced Cooling Operation on page 206 for details Gas stop valve Valve cap Clos...

Страница 212: ... switch Press indoor unit ON OFF switch for at least 5 seconds The operation will start Forced cooling operation will stop automatically after about 15 minutes To stop the operation press indoor unit ON OFF switch R7000226 With the indoor unit s remote controller 1 Press Temp buttons and Mode button at the same time 2 Press Temp buttons select T and press Mode button for confirmation 3 Press Mode ...

Страница 213: ... 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 button 1 Press button and select the COOL operation 2 Press button twice TEST is displayed 3 Press button within 10 seconds and the forced cooling operation starts Forced cooling operation will stop...

Страница 214: ...art operation is disabled for 3 minutes after the system has been turned off 4 After trial operation is complete set the temperature to a normal level 78 F to 82 F 26 C to 28 C in cooling operation 68 F to 75 F 20 C to 24 C in heating operation When operating the air conditioner in cooling operation in winter or heating operation in summer set it to the trial operation mode using the following met...

Страница 215: ...ld settings or trial operation without attaching the decoration panel do not touch the drain pump This may cause electric shock After finishing the construction of refrigerant piping drain piping and electric wiring conduct trial operation accordingly to protect the unit FFQ series only Procedure When operating the air conditioner in cooling operation in winter or heating operation in summer set i...

Страница 216: ... direction is actuated according to the setting For operation of airflow direction setting see the operation manual 7 After the operation of airflow direction is confirmed press Menu OK button Basic screen returns 8 Press and hold Cancel button for 4 seconds or longer in the basic screen Service settings menu is displayed 9 Select in the service settings menu and press Menu OK button Basic screen ...

Страница 217: ... gas and liquid pipes and indoor drain hose extension are thermally insulated Water leakage Draining line is properly installed Water leakage Does the power supply voltage correspond to that shown on the name plate No operation or burn damage Only specified wires are used for all wiring and all wires are connected correctly No operation or burn damage System is properly grounded Electrical leakage...

Страница 218: ...led in 1 Room Outline When 2 indoor units are installed in 1 room 1 of the 2 indoor units and the corresponding wireless remote controller can be set for different address Indoor Unit PCB 1 Remove the front grille 2 Remove the shield plate of the electrical box 3 Cut the address setting jumper JA on the PCB Replace the PCB if you cut a jumper unintentionally Jumpers are necessary for electronic ci...

Страница 219: ...r electronic circuit Improper operation may occur if you cut any of them 4 3 Jumper and Switch Settings For the location of the jumper refer to 25 page R25252 Jumper on indoor unit PCB Function When connected factory setting When cut JB Fan speed setting when compressor stops for thermostat OFF effective only at cooling operation The fan stops Fan speed setting Remote controller setting JC Power f...

Страница 220: ...he field settings cannot 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 seconds or longer Service settings menu is displayed 2 Select in the Service Settings menu and press Menu OK button Field settings screen is displayed Basic screen 1 Fan Press and hold Cancel butto...

Страница 221: ...s which 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 are determined and field settings screen returns 8 In the case of multiple setting changes repeat 3 to 7 9 After all setting changes are completed press Cancel button twice 10 Backlight goes out an...

Страница 222: ...wn TEST 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 Press RESERVE button to confirm the settings 6 Press TEST button to quit the Field Set mode and to return to normal display again RESERVE button Mode No Field setting mode UP button DOWN button Fir...

Страница 223: ...rval used to change filter cleaning display interval according to filter contamination Longlife filter Light Approx 2 500 hrs Heavy Approx 1 250 hrs Standard filter Approx 200 hrs Approx 100 hrs 3 Filter cleaning sign used to set filter cleaning display ON OFF Display No display 11 21 7 Air volume adjustment OFF Air volume adjustment completion Air volume adjustment start 13 23 6 External static p...

Страница 224: ...ntroller thermistor Enabled Disabled 3 Filter cleaning sign Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Compressor Operation output Error output Outdoor air intake Presence sensor 13 23 0 High air outlet velocity for high ceiling applications 2 7 m 8 7 8 ft 2 7 3 0 m 8 7 8 9 13 16 ft 3 0 3 5 m 9 13 16 11 1 2 ft 1 Selection of ai...

Страница 225: ...mote controller when the above message is displayed Hold Mode button for 4 seconds or longer to set When the display is changed from Main RC to Sub RC the setting is completed 2 Basic screen is displayed Sub remote controller 1 1 Basic screen 2 Basic screen 2 Set temperature Fan Set temperature Fan Main remote controller Off reminder Timer Checking the connection Please stand by Main RC Off remind...

Страница 226: ...less 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 PCB to SUB Wireless address switch Set the address setting switch SS2 on the signal receiver PCB according to the table below MAIN SUB MAIN SUB setting switch SS1 R7000181 R7000182 No 1 No 2 No 3 Addre...

Страница 227: ...he 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 and button to set the address Address can be set from 1 6 but set it to 1 3 and to same address as the receiver The receiver does not work with address 4 6 4 Press RESERVE button to confirm the setting 5 Hold down...

Страница 228: ...iver 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 be transmitted Remote Controller Indoor Unit Multiple settings Remote controller display To control other air conditions and units For other than on left A Standard All items displayed Commands oth...

Страница 229: ...e controller with 1 indoor unit change the MAIN SUB switch of the transmitter board Transmitter Board R7000371 MAIN SUB switch When using both a wired and a wireless remote controller for 1 indoor unit the wired controller should be set to MAIN Therefore set the MAIN SUB switch SS1 of the transmitter board to SUB Wireless address switch Set the wireless address setting switch SS2 on the transmitte...

Страница 230: ...ng mode SETTING is indicated on the display Press FAN button and select display setting A or b Each time the button is pressed the display switches between A and b 2 Press button and button to set the address Address can be set from 1 6 but set it to 1 3 and to same address as the transmitter board The transmitter board does not work with address 4 6 3 Press RESERVE button to confirm the setting 4...

Страница 231: ...bels onto both air outlet of the decoration panel and onto 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 be transmitted Remote Controller Indoor Unit Multiple settings Remote controller display To control other air conditions and units For other than on le...

Страница 232: ...lass 4 screws 15 18 24 class 6 screws 2 Remove the front plate 09 12 class 5 screws 15 18 24 class 8 screws 3 Cut the jumper J6 of the PCB inside 09 12 class R7000390 15 18 24 class R7000391 For the location of the jumper refer to pages 34 36 If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind provide a windbreak wall Intermittent noises may be produced ...

Страница 233: ...the PCB inside 09 12 Class R7000387 15 18 24 Class R7000388 For the location of the jumper refer to page 34 36 Warmer airflow can be enabled from either indoor or outdoor unit Warmer airflow becomes available when either one of the RC or outdoor unit setting is enabled For example if the outdoor unit has the switch for warmer airflow it can be set even when it is disabled on the indoor unit Also f...

Страница 234: ...ded to attach a drain pan heater to prevent ice build up from the bottom frame 1 Attach the drain pan heater in accordance with the installation manual included with the drain pan heater 2 Cut the jumper J9 of the PCB inside 09 12 class R7000384 15 18 24 class R7000385 For the location of the jumper refer to page 34 36 Cut the jumper J9 J6 J5 J9 J12 J8 J11 Cut jumper J9 J9 J4 J6 ...

Страница 235: ...iode 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 diode bridge 4 Make sure that the heat generation parts are firmly contacted to the radiation fin Note Smoke emission may be caused by bad heat radiation when the silicone grease is not appropriatel...

Страница 236: ...SiUS092230EA 230 Part 8 Appendix 1 Piping Diagrams 231 1 1 Indoor Unit 231 1 2 Outdoor Unit 232 2 Wiring Diagrams 234 2 1 Indoor Unit 234 2 2 Outdoor Unit 238 3 Operation Limit 240 Part 8 Appendix ...

Страница 237: ...low Cooling Heating 4D101008B Indoor unit 1 4 CuT 3 8 CuT Heat exchanger thermistor Heat exchanger Cross flow fan Fan motor Field piping 1 2 CuT Field piping 1 4 CuT Refrigerant flow Cooling Heating 4D101010B C 4D112974B FDMQ09 12 FDMQ15 18 FDMQ24 1 4 6 4 MODEL 1 4 6 4 1 4 6 4 3 8 9 5 1 2 12 7 5 8 15 9 C 4D106033A HEAT EXCHANGER FAN REFRIGERANT FLOW COOLING HEATING FFQ09W2VJU9 8 1 4 6 4 3 8 9 5 1 ...

Страница 238: ...Piping Diagrams SiUS092230EA 232 Part 8 Appendix 1 2 Outdoor Unit RX09 12WMVJU9 RX15 18WMVJU9 3D135014 3D141501 ...

Страница 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...

Страница 240: ... Part 8 Appendix Note 2 Wiring Diagrams 2 1 Indoor Unit FTXR09 12 18WVJUW S 9 A1P Control PCB A2P Display signal receiver PCB A3P INTELLIGENT EYE sensor PCB Refer to page 25 for Printed Circuit Board Connector Wiring Diagram 3D103375B ...

Страница 241: ...SiUS092230EA Wiring Diagrams Part 8 Appendix 235 Note FDMQ09 12 15 18 24WVJU9 A1P Control PCB A2P Indoor fan PCB Refer to page 27 for Printed Circuit Board Connector Wiring Diagram 3D112629B ...

Страница 242: ...FFQ09 12 15 18W2VJU8 A1P Control PCB A2P Transmitter board for wireless remote controller A3P Receiver for wireless remote controller A4P Thermopile sensor A5P Pyroelectric sensor Refer to page 29 for Printed Circuit Board Connector Wiring Diagram 3D143602A ...

Страница 243: ...FQ09 12 15 18W2VJU9 A1P Control PCB A2P Transmitter board for wireless remote controller A3P Receiver for wireless remote controller A4P Thermopile sensor A5P Pyroelectric sensor Refer to page 29 for Printed Circuit Board Connector Wiring Diagram 3D139759B ...

Страница 244: ...Wiring Diagrams SiUS092230EA 238 Part 8 Appendix Note s 2 2 Outdoor Unit RX09 12WMVJU9 PCB1 Main PCB Refer to page 34 for Printed Circuit Board Connector Wiring Diagram C 3D134904 ...

Страница 245: ...SiUS092230EA Wiring Diagrams Part 8 Appendix 239 Note s RX15 18 24WMVJU9 PCB Main PCB Refer to page 36 for Printed Circuit Board Connector Wiring Diagram C 3D140830 ...

Страница 246: ...Operation Limit SiUS092230EA 240 Part 8 Appendix 3 Operation Limit RX09 12 15 18 24WMVJU9 3D092209F ...

Страница 247: ...local 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 electrical shock fire or explosion z z Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized...

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