Daikin VRV X RXQ6-48ANR Series Скачать руководство пользователя | Manualshive

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SiME341909EA

Names and Functions

Part 3 Remote Controller

35

Mode Access Operation

On power-up, the message

Checking the connection. Please stand by.

will be displayed on

the remote controller screen. Then that message will disappear and the basic screen will be
displayed. To access a mode from the basic screen, refer to the figure below.
When any of the operation buttons is pressed, the backlight will come on and remains lit for
about 30 seconds. Be sure to press a button while the backlight is on (this does not apply to the

On/Off

button.)

Press

Cancel

button

for 4 seconds or more.

Press

Cancel

button

for 4 seconds or more.

Press

Menu/Enter

button once.

Press

Cancel

button once.

Press

Cancel

button once.

Press

Cancel

button once.

Basic screen

Main Menu screen

Service Settings screen

Maintenance Menu screen

Basic Screen

• Operation mode changeover
• Temperature setting
• Airflow rate
• Airflow direction
• Menu display
• Confirmation of each setting
• On
• Off
• Cancel
• Operation lamp

Main Menu

• Circulation airflow
• Airflow direction
• Individual air direction
• Quick start
• Ventilation
• Energy saving options
• Schedule
• Filter auto clean
• Maintenance information
• Configuration
• Current settings
• Clock & Calendar
• Language



The items on each menu vary

depending on the connected
models.

Service Settings Menu

• Test Operation
• Maintenance contact
• Field settings
• Demand
• Min setpoints differential
• External

input interlock

• Group address
• Indoor unit AirNet address
• Outdoor unit AirNet address
• Error history
• Indoor unit status
• Outdoor unit status
• Forced fan ON
• Switch main sub controller
• Filter indicator
• Test filter auto clean
• Brush/Filter ind
• Disable filter auto clean

Maintenance Menu

• Model name
• Operation hours
• Indoor unit status
• Outdoor unit status
• Forced defrost
• Error display
• Swap unit No.
• Addressed sensor value

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Содержание VRV X RXQ6-48ANR Series

Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...

Страница 2: ...t Piping Diagrams 19 1 1 Outdoor Unit 19 1 2 Indoor Unit 23 2 Functional Parts Layout 25 2 1 RXQ6 8AR 25 2 2 RXQ10 12 14 16AR 26 3 Refrigerant Flow for Each Operation Mode 27 3 1 RXQ6 8 10 12AR 27 3 2...

Страница 3: ...ischarge Pipe Protection Control 66 6 4 Compressor Body Protection Control 66 6 5 Inverter Protection Control 67 7 Special Control 68 7 1 Outdoor Unit Rotation 68 7 2 Oil Return Control 69 7 3 Inverte...

Страница 4: ...C1E63 143 4 2 BRC1H81 Series 144 4 3 BRC4M Series 145 5 Troubleshooting by Error Code 146 5 1 Error Codes and Descriptions 146 5 2 Error Codes Sub Codes 148 5 3 External Protection Device Abnormality...

Страница 5: ...45 Power Supply Voltage Imbalance 229 5 46 Reactor Temperature Abnormality 231 5 47 Inverter Radiation Fin Temperature Abnormality 232 5 48 Field Setting after Replacing Outdoor Unit Main PCB Abnorma...

Страница 6: ...Pressure Sensor Check 272 6 10 Broken Wire Check of the Relay Wires 273 6 11 Fan Motor Connector Check Power Supply Cable 275 6 12 Fan Motor Connector Check Signal Cable 277 6 13 Electronic Expansion...

Страница 7: ...E341909EA 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 6 3 Revision History 7 Introduct...

Страница 8: ...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 p...

Страница 9: ...nt system an excessively high pressure results causing equipment damage and injury Caution Do not repair electrical components with wet hands Working on the equipment with wet hands may cause an elect...

Страница 10: ...able at the connection terminals Improper connections may cause excessive heat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off o...

Страница 11: ...fire Check to see if parts and wires are mounted and connected properly and if connections at the soldered or crimped terminals are secure Improper installation and connections may cause excessive he...

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: ...SiME341909EA Revision History Introduction 7 3 Revision History Month Year Version Revised contents 10 2019 SiME341909E First edition 05 2020 SiME341909EA Model addition FXAQ20 25 32 40 50 63ARVM...

Страница 14: ...1 1 Indoor Unit 9 1 2 Outdoor Unit 9 2 External Appearance 10 2 1 Indoor Unit 10 2 2 Outdoor Unit 11 3 Combination of Outdoor Units 12 4 Capacity Range 13 4 1 Connection Ratio 13 4 2 Outdoor Unit Comb...

Страница 15: ...62 5 80 100 125 140 Ceiling mounted cassette Round flow with sensing type FXFSQ 25AR 32AR 40AR 50AR 63AR 80AR 100AR 125AR 140AR V1 Slim ceiling mounted duct type Standard series with drain pump FXDQ...

Страница 16: ...ral Information 2 External Appearance 2 1 Indoor Unit Ceiling mounted cassette Round flow with sensing type FXFSQ AR Slim ceiling mounted duct type Standard series FXDQ PD FXDQ ND Ceiling mounted duct...

Страница 17: ...10 12 14 16 HP 22 24 26 28 30 32 HP 6 8 HP RXQ6ARYFK RXQ8ARYFK RXQ10ARYFK RXQ12ARYFK RXQ14ARYFK RXQ16ARYFK RXQ18ANRYFK RXQ20ANRYFK 18 20 HP RXQ36ANRYFK RXQ38ANRYFK RXQ40ANRYFK RXQ42ANRYFK RXQ44ANRYFK...

Страница 18: ...10AR RXQ12AR RXQ10AR RXQ12AR RXQ14AR RXQ16AR RXQ10AR RXQ12AR Outdoor unit 2 RXQ12AR RXQ12AR RXQ16AR RXQ16AR RXQ16AR RXQ16AR RXQ12AR RXQ12AR Outdoor unit 3 RXQ12AR RXQ12AR Capacity range 38 HP 40 HP 42...

Страница 19: ...n 13 4 Capacity Range 4 1 Connection Ratio Type Min connection ratio Max connection ratio Single outdoor unit 50 130 Double outdoor units Triple outdoor units Connection ratio Total capacity index of...

Страница 20: ...50 to 650 32 61 5 22 550 RXQ22ANR RXQ10AR RXQ12AR 275 to 715 35 68 0 24 600 RXQ24ANR RXQ12AR RXQ12AR 300 to 780 39 73 0 26 650 RXQ26ANR RXQ10AR RXQ16AR 325 to 845 42 78 5 28 700 RXQ28ANR RXQ12AR RXQ16...

Страница 21: ...ssor Motor Quantity 1 1 Model Inverter Inverter Type Hermetically sealed scroll type Hermetically sealed scroll type Refrigerant Refrigerant name R 410A R 410A Charge kg 5 9 7 3 Piping connections Liq...

Страница 22: ...or Motor Quantity 1 1 Model Inverter Inverter Type Hermetically sealed scroll type Hermetically sealed scroll type Refrigerant Refrigerant name R 410A R 410A Charge kg 9 9 3 Piping connections Liquid...

Страница 23: ...sor Motor Quantity 2 2 Model Inverter Inverter Type Hermetically sealed scroll type Hermetically sealed scroll type Refrigerant Refrigerant name R 410A R 410A Charge kg 11 7 11 8 Piping connections Li...

Страница 24: ...rant Circuit Piping Diagrams 19 1 1 Outdoor Unit 19 1 2 Indoor Unit 23 2 Functional Parts Layout 25 2 1 RXQ6 8AR 25 2 2 RXQ10 12 14 16AR 26 3 Refrigerant Flow for Each Operation Mode 27 3 1 RXQ6 8 10...

Страница 25: ...resulting in no damage of functional parts due to the increase of pressure in transportation or storage 11 Double tube heat exchanger Subcooling heat exchanger Used to subcool liquid refrigerant 12 Ca...

Страница 26: ...XUH VHQVRU 6 13 5 7 3UHVVXUH 5HJXODWLQJ 9DOYH OHFWURQLF SDQVLRQ 9DOYH HDW VLQN 3 5 7 5 7 5 7 1 1 0 0 0 0 HDW FKDQJHU 6 13 6 13 LJK SUHVVXUH VHQVRU DV 3LSH LOWHU OHFWURQLF SDQVLRQ 9DOYH 5HIULJHUDQW XWR...

Страница 27: ...o the increase of pressure in transportation or storage 14 Double tube heat exchanger Subcooling heat exchanger Used to subcool liquid refrigerant 15 Capillary tube Used to return the refrigerating oi...

Страница 28: ...DQJHU 6 13 6 13 LJK SUHVVXUH VHQVRU KHFN 9DOYH LOWHU 6 3 LJK SUHVVXUH VZLWFK 36 5 7 RPSUHVVRU 19 0 VY VY 2LO 6HSDUDWRU RPSUHVVRU 19 36 2LO 6HSDUDWRU 6ROHQRLG YDOYH 6 DSLOODU WXEH DSLOODU WXEH 6ROHQRLG...

Страница 29: ...e in cooling 2 Suction air thermistor R1T All indoor units Used for thermostat control 3 Indoor liquid pipe thermistor R2T All indoor units Used for gas superheating degree control while in cooling 4...

Страница 30: ...Refrigerant Circuit Piping Diagrams SiME341909EA 24 Part 2 Refrigerant Circuit FXAQ20 25 32 40 50AR FXAQ63AR C 4D121516A 2 3 4 1 C 4D122027A 2 3 4 1...

Страница 31: ...stor Heat exchanger liquid pipe R4T Thermistor Subcooling heat exchanger liquid pipe R5T Solenoid Valve Oil return 1 Y3S Inverter fan M1F Low pressure sensor S1NPL Thermistor Suction pipe R3T High pre...

Страница 32: ...pe R4T Thermistor Subcooling heat exchanger liquid pipe R5T Thermistor M2C Compressor body R9T Thermistor Suction pipe R3T Electronic expansion valve Refrigerant auto charge Y4E High pressure switch F...

Страница 33: ...or unit ON Heat exchanger Electronic expansion valve Filter Filter Fan C 3D124201 High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure EV Normal contro...

Страница 34: ...Electronic expansion valve Filter Filter Fan C 3D124201 High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure EV Normal control RXEOH WXEH HDW FKDQJHU 5...

Страница 35: ...on C 3D124202 High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure EV Normal control OFF ON ON RXEOH WXEH HDW FKDQJHU 5 7 5 7 3UHVVXUH 5HJXODWLQJ 9DOYH...

Страница 36: ...C 3D124202 High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure EV Normal control OFF ON ON RXEOH WXEH HDW FKDQJHU 5 7 5 7 3UHVVXUH 5HJXODWLQJ 9DOYH OH...

Страница 37: ...H81 Series 42 3 3 When Wireless Remote Controller is Used Together 43 4 Address Setting for Wireless Remote Controller 44 4 1 Setting for Signal Receiver PCB 44 4 2 Setting for BRC4M Series 45 4 3 Mul...

Страница 38: ...available depending on the remote controller Refer to page 33 for details Series Wired remote controller Wireless remote controller Navigation Madoka Remote controller Receiver FXFSQ AR 1 BRC1E63 BRC1...

Страница 39: ...aving function Automatic eco airflow rate Eco infrared floor temperature sensor Sensing sensor stop control Sensing sensor low mode Setpoint range set Setback OFF timer programmed Weekly schedule time...

Страница 40: ...set temperature Used to highlight the item below the current selection The highlighted items will be scrolled through when the button is pressed continuously Used to change the selected item 6 Right...

Страница 41: ...ce Menu screen Basic Screen Operation mode changeover Temperature setting Airflow rate Airflow direction Menu display Confirmation of each setting On Off Cancel Operation lamp Main Menu Circulation ai...

Страница 42: ...djust a setting default increase For a full description of the behavior of the status indicator see the installer and user reference guide Home screens Depending on installer configuration the control...

Страница 43: ...timer or OFF timer is enabled Clock not set Indicates that controller s clock is not set Self cleaning filter operation Indicates that self cleaning filter operation is active Inspection Indicates th...

Страница 44: ...elect the fan speed DISPLAY AIRFLOW BLADE DISPLAY FAN SPEED The display shows the set fan speed DISPLAY INSPECTION When the INSPECTION BUTTON is pressed the display shows the system mode is in Do not...

Страница 45: ...CH 22 RECEIVER This switch is readily used if the remote controller does not work This receives the signals from the remote controller 23 24 TIMER INDICATOR LAMP Green This lamp stays lit while the ti...

Страница 46: ...initial set value Press the INSPECTION button twice to return to the normal mode Indoor unit model type Initial set value Ceiling mounted cassette Round flow with sensing type FXFSQ AR 2111 Slim ceil...

Страница 47: ...ayed on the bottom of the screen while Checking the connection Please stand by is displayed How to change Main Sub setting You may change the Main Sub setting of the remote controller while Checking t...

Страница 48: ...roller that is connected to the indoor unit it will automatically get designated as master controller When using 2 remote controller For a second controller to get designated as slave controller manua...

Страница 49: ...ck temperature setpoints Draft prevention Duty rotation 3 3 When Wireless Remote Controller is Used Together When using both a wired and a wireless remote controller for 1 indoor unit the wired contro...

Страница 50: ...ontrol using the group operation For the wiring for the group operation please refer to the installation manual attached to the indoor unit and technical guide 4 1 Setting for Signal Receiver PCB The...

Страница 51: ...4 seconds to get the Field Setting mode Indicated in the display area in the figure 2 Press the SELECT button and select a multiple setting A b Each time the button is pressed the display switches be...

Страница 52: ...mote controller operation when the functions are restricted as by an external control Other than the left A Standard factory set All items displayed Accepts the functions except restricted Sounds one...

Страница 53: ...ss Group and then press the Menu Enter button Press the Cancel button once Select the desired Group No using the Up Down buttons and then press the Menu Enter button Service settings menu is displayed...

Страница 54: ...ddress Unit and then press the Menu Enter button Press the Cancel button once Select the desired Group No using the Up Down buttons and then press the Menu Enter button Service settings menu is displa...

Страница 55: ...efine groups and or units in the first level and set or release addresses for those groups and or units in the second First level Group Group A group is a group of indoor units Unit Group Unit A unit...

Страница 56: ...re displayed once for about 1 minute on the liquid crystal display This is not an operative fault Central Remote Controller F1 F2 F1 F2 F1 F2 F1 F2 P1 P2 RC RC RC RC RC F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P...

Страница 57: ...displayed Press the Cancel button once Press the Cancel button Press and hold the Cancel button for 4 seconds or more Press and hold the Cancel button for 4 seconds or more Maintenance menu is displa...

Страница 58: ...o Gr Addr Set Indoor unit Airnet Address Unit No Address Set Outdoor unit Airnet Address Unit No Address Set Error History RC Error History Unit No Error Date Time Up to 10 errors received by the remo...

Страница 59: ...on EV Degree that electronic expansion valve is open pulse MP Drain pump ON OFF EH Electric heater ON OFF Hu Humidifier ON OFF TBF Anti freezing control ON OFF FLOAT FLOAT SWITCH ON OFF T1 T2 T1 T2 in...

Страница 60: ...condition will display an error 8 Directly displays a measured value sent from the adaptor PCB Maintenance Menu Item 2 Remarks Addressed Sensor Value Unit No 0 15 Select the unit number you want to ch...

Страница 61: ...roller may display more or less icons than are indicated here From the information screen press and simultaneously and keep them pressed until you enter the installer menu Category Icon Settings Categ...

Страница 62: ...6 2 Low Pressure Protection Control 65 6 3 Discharge Pipe Protection Control 66 6 4 Compressor Body Protection Control 66 6 5 Inverter Protection Control 67 7 Special Control 68 7 1 Outdoor Unit Rota...

Страница 63: ...ontrol including pressure equalization before startup 1 Cooling startup control Normal control 1 List of functions in normal control 2 Compressor control 3 Compressor capacity control 4 Operating prio...

Страница 64: ...played on the remote control BRC1E series remote controller stores the last 10 error codes for remote controller and the last 5 error codes for indoor unit You can check the Error History in Service S...

Страница 65: ...he compressor for a period of 5 minutes in order to prevent the frequent ON OFF of the compressor and equalize the pressure within the refrigerant system In addition the outdoor fan carry out the resi...

Страница 66: ...Te Low pressure equivalent saturation temperature 4 1 Cooling Startup Control 120 seconds Approx 550 V Step 4 ON ON OFF OFF OFF 0 V Thermostat signal DC circuit capacitors Fan motor s M1F RXQ6 8AR M1F...

Страница 67: ...ll too much the target evaporation temperature is elevated further to adjust 2 VRT Control When one or more of the connected indoor units are not VRTsmart control applicable models If the required cap...

Страница 68: ...be changed For details refer to Details of Setting Mode Mode 2 on page 119 for Cooling Te set based on field setting 2 8 During operation outdoor control will take into account the pressure drop so th...

Страница 69: ...2 Compressors may operate in any pattern other than those mentioned above according to the operating status Pattern 1 Pattern 2 Pattern 3 M1C No 1 M1C M2C No 1 No 2 No 1 No 2 No 4 No 2 No 1 No 3 No 3...

Страница 70: ...e steps listed in table below according to condition changes Figures listed above are for standard mode Values may differ when the system is set to high static pressure mode or capacity priority mode...

Страница 71: ...ect compressors against the transient decrease of low pressure Cooling Because of common low pressure the following control is performed in the system Normal control Pc 3 55 MPa High pressure standby...

Страница 72: ...emperature against an error or transient increase of compressor body temperature The following control is performed for each compressor of single unit as well as multi units Normal control Discharge p...

Страница 73: ...n temperature control This control is performed for each inverter compressor Condition RXQ6AR RXQ8 12AR RXQ14 16AR M1C M1C M1C M2C A more than 17 0 A more than 27 5 A more than 17 0 A more than 27 5 A...

Страница 74: ...s less than 0 25 MPa Example The following diagram shows outdoor unit rotation in combination of 3 outdoor units Cooling 1 Master unit slave unit 1 and slave unit 2 in this section are the names for i...

Страница 75: ...compressor loads Oil return control starts every 8 hours of cumulative operation of the compressor even if the reference value is not met Part Name Electric Symbol RXQ6 8AR RXQ10 12AR RXQ14 16AR Func...

Страница 76: ...System is stopped all compressors are stopped 2 System is operating at least one compressor is operating Represents the operating state of each compressor Own Tfin 95 C Own Tfin 85 C OR Elapsing time...

Страница 77: ...values of the suction air thermistor and the infrared floor sensor It is difficult to use only suction air temperature control for underfoot air conditioning 8 2 Thermostat Control 8 2 1 Without Optio...

Страница 78: ...erature around people When the floor temperature is very low operation using the temperature around people may cause the suction air temperature to operate outside of use range To avoid the above cond...

Страница 79: ...determined by the difference between control target temperature and set temperature Thermostat OFF Set 1 The fan keeps rotating at the speed as just before the thermostat off 1 Program dry Thermostat...

Страница 80: ...FF Swing Program dry Direction set Thermostat ON Set Thermostat OFF Set Swing set Thermostat ON Swing Thermostat OFF Swing Fan Direction set Set Swing set Swing Conditions FXFSQ AR When airflow direct...

Страница 81: ...t by direct airflow This control works for each airflow outlet individually Note This function is inoperative for the airflow outlet where an individual airflow direction is set 8 6 Eco Full Automatic...

Страница 82: ...eously After the thermostat turns OFF the drain pump continues to operate for another 5 minutes 1 If the float switch turns ON again during the residual operation of the drain pump cooling operation a...

Страница 83: ...he drain pump turns ON simultaneously 1 If the float switch continues to turn OFF and ON 5 times consecutively it is judged as a drain system error and the error code AF is displayed on the remote con...

Страница 84: ...minutes Condition for cancelling Liquid pipe temperature 7 C for 10 minutes continuously Concept of freeze up prevention control System avoids freeze up For comfort system avoids unnecessary thermost...

Страница 85: ...sition C is carried out for 1 hour When there is any change to fan operation airflow direction and operation ON OFF state during dew condensation prevention control this control is canceled Dew conden...

Страница 86: ...n valve so that superheating degree SH which is calculated from the detection temperature Tg of the gas pipe thermistor R3T and the detection temperature Tl of the liquid temperature thermistor R2T of...

Страница 87: ...d on the room temperature condition and time to switch circulation airflow operation and the normal auto airflow rate and direction eco full automatic control 8 11 2 Operational Concept Standard Panel...

Страница 88: ...Designer Panel Cooling Factory setting Movement pattern a b c d Appearance Time seconds 13 23 14 01 Pattern 1 120 600 120 600 02 Pattern 2 120 600 0 0 03 Pattern 3 0 0 120 600 04 Pattern 4 120 600 12...

Страница 89: ...Control Mode 102 2 Field Settings for Outdoor Unit 104 2 1 Function Setting 104 2 2 Settings by DIP Switches 105 2 3 Settings by BS Buttons 108 2 4 Normal Mode 110 2 5 Monitor Mode Mode 1 111 2 6 Set...

Страница 90: ...ect desired mode No by using Up Down button 4 In the case of setting per indoor unit during group control When Mode No such as 20 21 22 23 25 are selected highlight the unit No and select indoor unit...

Страница 91: ...etails of the outdoor unit see installation manual attached to the outdoor unit 6 Press Menu Enter button Setting confirmation screen is displayed 7 Select Yes and press Menu Enter button Setting deta...

Страница 92: ...ed to the indoor unit and to the controller itself Field settings are composed of the following components Screen Field settings Indoor unit Define a mode by setting a Mode number Define the unit to w...

Страница 93: ...1 Hold down the INSPECTION button for at least 4 seconds during normal mode to enter the field setting mode 2 Press the MODE button to select the desired mode No 3 Press the FAN or BACK LIGHT button...

Страница 94: ...ensating the temperature around people Suction air temperature only Priority given on the suction air temperature Standard Priority given on the floor temperature 95 12 22 0 Optional accessories outpu...

Страница 95: ...g to the normal mode 5 BRC1H81 series only 15 25 2 Direct duct connection Not equipped Equipped 101 3 Drain pump and humidifier interlock selection Not interlocked Interlocked 101 5 Individual ventila...

Страница 96: ...ermostat differential changeover 5 Auto restart after power failure 6 Airflow setting when cooling thermostat is OFF 11 Compensating the floor temperature 13 23 0 Ceiling height setting Setting of nor...

Страница 97: ...erature is controlled by the suction air thermistor for indoor unit and remote controller thermistor When the Second code No is set to 02 room temperature is controlled by the suction air thermistor W...

Страница 98: ...ation of a certain duration can be selected Factory setting Mode No First Code No Second Code No Contents 10 20 6 01 Remote controller thermistor control is not permitted during group control 02 Remot...

Страница 99: ...in the following table Note 1 Increasing duration of dry operation degrades the energy efficiency Factory setting Note 2 When group control is enabled all indoor units in the same group have a same se...

Страница 100: ...sing the airflow rate control button to select High Middle or Low 3 Make settings to adjust the airflow rate automatically After setting the operation mode to fan enter the field setting mode while op...

Страница 101: ...Factory setting 1 4 10 Optional Accessories Output Selection Using this setting operation output signal and abnormal output signal can be provided Output signal is output between terminals X1 and X2 o...

Страница 102: ...uto restart after power failure setting is ON be careful for the following situations that may occur 1 4 14 Airflow Setting when Cooling Thermostat is OFF This is used to set airflow to LL airflow whe...

Страница 103: ...is required 2 A closing member kit optional is required for 4 3 or 2 direction airflow Mode No First Code No Second Code No Contents 12 22 11 01 4 C 02 2 C 03 0 C 04 2 C Environment Operation Mode Pro...

Страница 104: ...are set to swing in an opposite direction to agitate airflow to reduce temperature irregularity Conventional swing operation all direction synchronized swing can be set onsite Factory setting Mode No...

Страница 105: ...atically using automatic airflow adjustment 11 21 7 or manually using external static pressure settings 13 23 6 FXMQ PB Factory setting 1 FXMQ40PB cannot be set to 180 or 200 Pa 2 FXMQ50 63 80 100 125...

Страница 106: ...nding on the installation environment of the indoor unit Cooling Factory setting 1 4 25 Switching Panel Type FXFSQ AR Change this setting depending on the type of the panel connected Factory setting M...

Страница 107: ...unit this setting is unnecessary Factory setting 1 4 28 Individual Ventilation Setting This is set to perform individual operation of heat reclaim ventilation using the remote controller central unit...

Страница 108: ...to information on the next page Central remote controller is normally available for operations Except when centralized monitor is connected Contents of Control Modes 20 modes consisting of combinatio...

Страница 109: ...Operation mode setting Unified operation individual operation by central remote controller or operation controlled by timer Unified OFF individual stop by central remote controller or timer stop ON O...

Страница 110: ...ed capacity or less 9 Demand 2 Level 1 40 of rated capacity or less 10 Demand 2 Level 2 50 of rated capacity or less 11 Demand 2 Level 3 55 of rated capacity or less 12 Demand 3 Forced thermostat off...

Страница 111: ...r Unit Part 5 Field Settings and Test Operation 105 2 2 Settings by DIP Switches For factory mounted board only DIP switch Setting item Description No Setting DS1 1 DS1 4 ON Not used Do not change the...

Страница 112: ...er initialization a test operation is required from outdoor unit hold BS2 SET until indication t01 appears 1 Microcomputer normal monitor This monitor blinks while in normal control and turns ON or OF...

Страница 113: ...er disconnected Application model The setting method represents the position of switches RXQ6AR Set DS1 2 DS1 3 DS1 4 and DS2 2 to ON RXQ8AR Set DS1 2 DS1 3 DS1 4 DS2 1 and DS2 2 to ON RXQ10 12AR Set...

Страница 114: ...communication Setting mode Used to make changes to operating status performance settings or address setting Monitor mode Used to verify contents of settings quantity of units current value of some par...

Страница 115: ...l mode Initial condition Press RETURN BS3 button once Select a setting item with the SET BS2 button Select a setting condition with the SET BS2 button Press RETURN BS3 button once Setting condition Co...

Страница 116: ...oor outdoor transmission status Used to check for the initial status of indoor outdoor transmission 2 Descriptions Used to display an error content Initializing SEG1 SEG2 SEG3 Initializing completed O...

Страница 117: ...egend Segment MODE BS1 MODE BS1 RETURN BS3 RETURN BS3 SET BS2 Checking for description of data Press the SET BS2 button to set the 7 segment display to any of the monitoring items listed in the table...

Страница 118: ...eration state display 1 0 1 In normal operation In low noise operation 0 1 2 Demand operation state display 1 0 2 In normal operation In demand operation 0 1 3 Automatic backup operation setting 1 0 3...

Страница 119: ...abnormal 0 1 2 33 Number of abnormal status judgment outdoor unit PCB 1 3 3 Possible 0 15 1 0 5 40 Cooling comfort setting see mode 2 81 1 4 0 Possible 0 3 0 3 42 High pressure MPa 1 4 2 Possible 0 1...

Страница 120: ...he indoor unit are not shown on the outdoor display For inspecting error code on indoor unit please consult Display of the remote controller connected to the indoor units If there are no remote contro...

Страница 121: ...n to Normal mode If you become unsure of how to proceed press the MODE BS1 button and return to Normal mode SEG1 SEG2SEG3 Normal Default Normal hold 5 seconds BLINKS ON OFF Legend Segment MODE BS1 MOD...

Страница 122: ...is available from an external input When this configuration is set it is not possible to turn the Eco refrigerant control ON OFF using the remote controller Also depending on the settings low noise op...

Страница 123: ...s 2 2 9 OFF ON 0 1 30 Demand 1 setting Used to make a change to the targeted power consumption level when the demand 1 control signal is inputted 2 3 0 Level 1 60 Level 2 65 Level 3 70 Level 4 75 Leve...

Страница 124: ...x 90 m 0 1 50 Do not change contents 2 5 0 51 Sequence multi outdoor Sequence addressing between master and slave units 2 5 1 Automatic Forced master Forded slave 1 Forced slave 2 0 1 2 3 76 VRTsmart...

Страница 125: ...t temperature for cooling operation Change the setting in function of required operation method during cooling Default value 2 Te target 6 C The refrigerant temperature is fixed to average indoor evap...

Страница 126: ...he outdoor can switch automatically to a pre set night time low noise operation level during night time judgment Default value 0 Auto night time low noise operation not active Set 1 use level 1 Set 2...

Страница 127: ...s Remove the U V W terminals of the compressor and connect to the inverter checker module If all 6 LEDs blink the transistors switch correctly When the power transistor check mode is interrupted after...

Страница 128: ...Capacity priority can be initiated when certain operation parameters approach the safety setting Raise in high pressure during cooling Raise of discharge pipe temperature Raise of inverter current Rai...

Страница 129: ...aster To disable permanent compressor operation in case of single module or Master unit of a multi outdoor system this setting allows Default value 0 Compressor operation enabled Field setting Set 1 i...

Страница 130: ...re set manually to same status U7 error will appear 1 Forced Master F1F2 Ind terminals should be connected to indoor units 2 Forced Slave 1 only Q1Q2 terminals should be wired to Master module 3 Force...

Страница 131: ...e according to setting 2 81 cooling comfort setting Mode 2 90 Indoor unit without power U4 error generation In case an indoor unit needs maintenance or repair on the electric side it is possible to ke...

Страница 132: ...pper limit is set In case of VRT control The priority of each setting is as follows 1 Mode 2 23 Eco Control Unavailable Setting 2 Mode 2 11 External Eco Setting and external control adaptor input 3 Ec...

Страница 133: ...ow noise operation command will be ignored to put the system into normal operation mode B When night time low noise operation is carried out automatically External control adaptor for outdoor unit is...

Страница 134: ...operation level setting Factory setting is OFF Night time Operation sound level set with night time low noise operation setting 6 00 AM 8 00 PM 10 00 PM 12 00 AM 7 00 AM 8 00 AM Set with night time l...

Страница 135: ...compressor operates at 60 or less of rating Short circuit 1 and C on the terminal strip TeS1 Set the item 2 32 to Demand 1 and the item 2 30 to Level 1 Level 2 The compressor operates at 65 or less o...

Страница 136: ...s been set at factory The power consumption set with Demand 1 level setting When the Normal demand setting is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 l...

Страница 137: ...e Checkpoints Cautions or warnings Are all units securely installed Dangerous for turning over during storm Possible damage to pipe connections Is the earth wire installed according to the applicable...

Страница 138: ...all front panels in order to not let it be the cause of misjudgment except the electrical component box inspection opening service cover 2 Make sure all field settings you want are set 3 Turn ON the p...

Страница 139: ...ttings with the master unit Field settings made with the slave unit will be all invalid The check operations shown below will be automatically initiated Check for erroneous wirings Check for failure t...

Страница 140: ...nic Expansion Valve Coil Abnormality Dust Clogging 173 5 10 Humidifier System Abnormality 174 5 11 Auto Grille Unit Error 175 5 12 Defective Capacity Setting 176 5 13 Transmission Error between Indoor...

Страница 141: ...er Supply Insufficient or Instantaneous Abnormality 237 5 52 Check Operation Not Executed 239 5 53 Transmission Error between Indoor Units and Outdoor Units 240 5 54 Transmission Error between Remote...

Страница 142: ...aution for maintenance Touch the paint free metal part of the product electrical box lid of the standard model tap bolts of electrical box of anti corrosion and heavy anti corrosion models to release...

Страница 143: ...mpurities SUNISO oil etc 2 Be sure to purge with nitrogen when brazing Properly perform airtightness test and vacuum drying Airtight test pressure 4 0 MPa Charge refrigerant in liquid state 6 Precauti...

Страница 144: ...d immediately restarts operation If the operation lamp on the remote controller turns ON the system will be normal These symptoms indicate that the system is controlled so as not to put unreasonable l...

Страница 145: ...the like are produced from indoor units in the stopped state On VRV systems these sounds are produced when other indoor units in operation The reason is that the system runs in order to prevent oil o...

Страница 146: ...infrared presence sensor detects human presence Check if there are any objects that generate temperature change when moving For example An electric heater with swing function Doors curtains blind swi...

Страница 147: ...y Cut the power supply Defective local power supply Normal Remove the compressor wiring from the power supply terminal Isolate the wiring and be careful not to touch the live parts Turn the power supp...

Страница 148: ...93 40 0 18 10 0 57 20 1 45 50 3 07 38 0 19 8 0 61 22 1 53 52 3 21 36 0 21 6 0 66 24 1 61 54 3 36 34 0 23 4 0 70 26 1 70 56 3 51 32 0 25 2 0 75 28 1 79 58 3 64 30 0 27 0 0 80 30 1 89 60 3 83 28 0 29 2...

Страница 149: ...if it is error or warning 2 Take corrective action Operation Status Display Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Push Menu button bl...

Страница 150: ...with an error screen from as soon as you try to enter the main menu consult your dealer 4 2 1 Refrigerant leak detection When the system detects a refrigerant leak an alarm goes off Stop the alarm and...

Страница 151: ...he unit number until the indoor unit beeps and perform the following operation according to the number of beeps Number of beeps 3 short beeps Perform all steps from 3 to 6 1 short beep Perform 3 and 6...

Страница 152: ...il abnormality dust clogging 173 AF k Humidifier system abnormality 174 AH l Auto grille unit error 175 AJ l Defective capacity setting 176 C1 l Transmission error between indoor unit PCB and fan PCB...

Страница 153: ...ality 215 L2 l Momentary power failure during test operation 217 L4 l Inverter radiation fin temperature rise abnormality 218 L5 l Compressor instantaneous overcurrent 220 L8 l Compressor overcurrent...

Страница 154: ...it S shaped pipe and dust box Furthermore check for any stains of the light receiving and emitting parts of the infrared unit AH 06 Air filter rotation error when the self cleaning decoration panel is...

Страница 155: ...ector are touching each other and if any foreign matter on the PCB is causing a short circuit CE 04 Infrared floor sensor error An abnormality other than the ones mentioned above has been detected Che...

Страница 156: ...activated Master E3 21 High pressure switch activated Slave 1 E3 22 High pressure switch activated Slave 2 E4 01 Low pressure error Master Refer to the E4 flowchart and make a diagnosis based on the...

Страница 157: ...e Error code shown to the left F4 03 Wet alarm for compressor M2C Master F4 04 Wet alarm for compressor M1C Slave 1 F4 05 Wet alarm for compressor M2C Slave 1 F4 06 Wet alarm for compressor M1C Slave...

Страница 158: ...fective compressor body thermistor for M1C Open Slave 2 J3 45 Defective compressor body thermistor for M1C Short Slave 2 J3 47 Defective compressor body thermistor for M2C Open Master J3 48 Defective...

Страница 159: ...lave 2 L1 01 IPM error Compressor M1C Master The inverter PCB may be defective or a PCB other than the specified is mounted Refer to the L1 flowchart and make a diagnosis based on the Error code shown...

Страница 160: ...ft L4 02 Radiation fin temperature rise Inverter PCB for M1C Slave 1 L4 03 Radiation fin temperature rise Inverter PCB for M1C Slave 2 L4 06 Radiation fin temperature rise Fan M1F Master L4 07 Radiati...

Страница 161: ...r PCB 1 Slave 1 LC 16 Transmission error Between outdoor units inverter PCB 1 Slave 2 LC 19 Transmission error Between outdoor units fan PCB 1 Master LC 20 Transmission error Between outdoor units fan...

Страница 162: ...e 1 Inverter PCB 1 P4 05 Defective radiation fin thermistor Slave 2 Inverter PCB 1 P4 06 Defective radiation fin thermistor Master Inverter PCB 2 P4 07 Defective radiation fin thermistor Slave 1 Inver...

Страница 163: ...operation not yet executed U4 01 Transmission error between indoor unit and outdoor unit Refer to the U4 flowchart and make a diagnosis based on the Error code shown to the left U4 03 Transmission err...

Страница 164: ...rnal protection device Improper field setting Defective indoor unit PCB Troubleshooting Activation of external protection device External protection device is connected to terminals T1 and T2 of the i...

Страница 165: ...ile memory Maintains memory contents even when the power supply is turned OFF Supposed Causes Defective indoor unit control PCB External factor Noise etc Troubleshooting YES Caution Be sure to turn of...

Страница 166: ...cting connectors or parts may be damaged Replace the float switch S1L Modify the float switch s connection and turn ON again Connect the drain pump and turn ON again Connect either a short circuit con...

Страница 167: ...e drain pump works when the power supply is reset for the indoor unit The voltage of drain pump terminals 2 is in accordance to the criteria 3 within 5 minutes of resetting the power supply A Model 1...

Страница 168: ...increase Supposed Causes Broken wires in short circuit of or disconnection of connectors from the fan motor harness Defective fan motor Broken wires or defective insulation Abnormal signal output from...

Страница 169: ...e fan YES NO Disconnect the connector from the fan motor and then make measurement of resistance between pins CHECK 17 Turn OFF the power supply and then wait for a period of 10 minutes Replace the fa...

Страница 170: ...gged foreign matter Disconnection of fan motor connectors Fan motor lock Defective fan motor Defective indoor unit PCB Troubleshooting Connect the connector correctly Turn OFF the power supply and wai...

Страница 171: ...nosis 165 1 Check also if the relay connector between the indoor unit control PCB and the fan motor are correctly connected YES Replace the indoor fan motor M1F Replace the indoor unit control PCB A1P...

Страница 172: ...rom the position signal of the fan motor Error from the current flow on the fan PCB when the fan motor starting operation Error Decision Conditions An overcurrent flows The RPM is less than a certain...

Страница 173: ...atter around the fan Connect the connector properly Replace the indoor fan motor M1F Replace the indoor fan motor M1F Connect the connector properly CHECK 16 Caution Be sure to turn off the power swit...

Страница 174: ...or and check the resistance Theresistance amongU V andWareunbalancedor shortcircuited YES NO YES NO Replace the fan PCB A2P The HAP lamp of the indoor unit PCB A1P blinks and the HAP lamp of the fan P...

Страница 175: ...es Defective indoor fan motor Broken wires Defective contact Troubleshooting CHECK 16 Refer to page 275 YES NO NO YES Check the indoor fan motor and the wiring circuits of the fan motor Replace the in...

Страница 176: ...AR Applicable Models FXFSQ AR Error Code A8 01 Method of Error Detection This error is detected by checking the voltage status with the microcomputer Error Decision Conditions Overvoltage or voltage d...

Страница 177: ...roperly connected Properly connect the connector NO YES There are problems on the condition of power supply described above Replace the harness YES Is the harness connecting the X27A and the terminal...

Страница 178: ...Defective wiring Instantaneous power failure others Troubleshooting YES There are problems on the condition of power supply described above Caution Be sure to turn off the power switch before connect...

Страница 179: ...R2T 8 C Temperature of liquid pipe R2T shows fixed degrees or below Supposed Causes Defective electronic expansion valve coil Defective indoor unit control PCB Defective relay cables Troubleshooting C...

Страница 180: ...compressor is not in operation Error code is displayed but the system operates continuously Supposed Causes Humidifier unit optional accessory leaking Defective drain piping upward slope etc Defectiv...

Страница 181: ...tion limit switch detects a position for less than one second while the grille is moving downward Supposed Causes A large load on the grille Tangled wire Defective motor Defective limit switch Trouble...

Страница 182: ...he capacity code is not saved to the PCB and the capacity setting adaptor is not connected A capacity that does not exist for that unit is set Supposed Causes The capacity setting adaptor was not inst...

Страница 183: ...n conditions between the indoor unit control PCB A1P and fan PCB A2P are checked via microcomputer Error Decision Conditions When normal transmission is not carried out for a certain duration Supposed...

Страница 184: ...short circuit and connect X70A back to original condition NO Is the connector between indoor unit PCB A1P and fan PCB A2P accurately connected 1 Caution Be sure to turn off the power switch before con...

Страница 185: ...of the transmission connector X70A Defective indoor unit control PCB External factor such as noise Troubleshooting Check the indoor unit control PCB A1P Connect the connector correctly NO YES YES Is...

Страница 186: ...he indoor unit PCB X70A and the auto grille control PCB X12A is checked with the microcomputer Error Decision Conditions When transmission communication between the indoor unit PCB and the auto grille...

Страница 187: ...disconnected NO YES NO Remove the external factor YES Is there any external factor such as noise Check the indoor unit PCB and the auto grille control PCB NO Is Auto grille elevation operation displa...

Страница 188: ...nd thermistor CHECK 11 Refer to page 269 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Remove the thermistor from the indoor unit P...

Страница 189: ...ting adaptor Field setting error Troubleshooting NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Has the indoor unit control PCB A...

Страница 190: ...connection of the capacity setting adaptor Wrong field setting Troubleshooting Is the indoor unit PCB A1P replaced by the spare PCB After transmission between the indoor and the outdoor PCBs is estab...

Страница 191: ...of the connector of the fan motor lead wire Defective fan motor Broken wires or defective insulation Defective PCB A1P Troubleshooting Replace the fan motor Resistances between UVW phases of the fan m...

Страница 192: ...nsor connector CE 01 Defective infrared floor sensor Temperature compensation circuit disconnection CE 02 Defective infrared floor sensor Temperature compensation short circuit CE 03 Defective infrare...

Страница 193: ...tput refer to sensor and address data No 22 25 Connect the connector correctly Connect the connector correctly NO YES YES Is the connection of the connector on infrared presence sensor PCB A3P and the...

Страница 194: ...output refer to sensor and address data No 26 Connect the connector correctly Connect the connector correctly NO YES YES Is the connection of the connector on infrared floor sensor PCB A2P and the co...

Страница 195: ...Check infrared floor sensor output refer to sensor and address data No 26 Is the connection of the connector on infrared floor sensor PCB A2P and the connector X81A on A1P normal Is the connection of...

Страница 196: ...Check infrared floor sensor output refer to sensor and address data No 26 Is the connection of the connector on infrared floor sensor PCB A2P and the connector X81A on A1P normal Is the connection of...

Страница 197: ...system operates continuously Supposed Causes Defective remote controller thermistor Defective remote controller PCB Troubleshooting 1 How to delete history of error codes Press the ON OFF button for...

Страница 198: ...re section between the indoor unit and the outdoor unit are not normal Supposed Causes Defective outdoor unit main PCB Disconnection of the inside outside relay wires Troubleshooting Return to normal...

Страница 199: ...ing Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Correct the wiring Normal Keep operating It is possibly caused by temporary oil r...

Страница 200: ...nnection of connector X101A Wiring disconnection Defective outdoor unit main PCB Troubleshooting NO YES Is the system reset to normal Is X101A connected The error is considered to have resulted from e...

Страница 201: ...ective points Replace the high pressure sensor S1PH YES Are the above 3 points OK Does the error E3 recur NO Is the operating pressure of the high pressure switch normal 4 0 MPa NO YES A NO 1 Mount a...

Страница 202: ...sure sensor is normal and the outdoor unit main PCB is also normal The high pressure has really become high Eliminate factors that cause the high pressure to rise A CHECK 1 Are both pressure values th...

Страница 203: ...controller and then restart the operation Is the stop valve open The low pressure sensor is normal and outdoor unit main PCB is also normal The low pressure has really become low Replace the outdoor...

Страница 204: ...t opened Troubleshooting Make proper wire connections Make proper wire connections NO NO NO NO YES YES YES YES Power OFF Is the connection line of the relevant compressor normal Are wire connections m...

Страница 205: ...equalization failure may have occurred Check for the refrigerant system YES YES NO Replace the inverter PCB 1 NO The error recurs at startup Continue operation The error could have resulted from insta...

Страница 206: ...IC during the fan motor runs Error Decision Conditions When overcurrent is detected from the inverter PCB or the fan PCB Detecting overcurrent 4 times will shut down the system When the fan revolution...

Страница 207: ...switch before connecting or disconnecting connectors or parts may be damaged A Check for any wire connection errors in 2 units of fan motors Fan motor 1 Power supply cables and signal cables are all...

Страница 208: ...as lost balance or short circuit is caused between U V W phases Check for the connector power supply cable of the fan motor CHECK 16 Replace the fan PCB 1 YES The HAP lamp on A3P A6P blinks but that o...

Страница 209: ...tigate external causes other than failures e g noise Replace the outdoor unit main PCB A1P YES NO Connector for the electronic expansion valve of the outdoor unit main PCB A1P is connected CHECK 18 Th...

Страница 210: ...ture becomes abnormally high i e 135 C or more When discharge pipe temperature sharply rises remains at 120 C or more for a period of consecutive 10 minutes When compressor surface temperature becomes...

Страница 211: ...rature Connect the Service Checker Reset the system operation and then restart it Are the characteristics of the discharge pipe and compressor body thermistors normal 1 CHECK 11 All thermistors are no...

Страница 212: ...pressure of each part Error Decision Conditions When the following wet state continues for a period of 180 minutes an alert is issued An error is defined for 240 minutes Wet state in outdoor units Wh...

Страница 213: ...of the indoor units NO YES NO Replace the indoor electronic expansion valve Replace the relevant thermistor YES YES Caution Be sure to turn off the power switch before connecting or disconnecting conn...

Страница 214: ...vercharged Disconnection of outdoor air thermistor Disconnection of heat exchanger liquid pipe thermistor Disconnection of subcooling heat exchanger liquid pipe thermistor Troubleshooting CHECK 11 Ref...

Страница 215: ...n between PCBs is disabled during the compressor stops running Supposed Causes Defective connection of harnesses between PCBs Defective outdoor unit main PCB Defective inverter PCB A3P A6P Troubleshoo...

Страница 216: ...nnector Defective fan PCB A4P A7P Troubleshooting Replace the defective fan motor NO YES Check for fan motor applicable to the error code H7 while in monitor mode Sub code Fan PCB A7P H07 21 Master H7...

Страница 217: ...s wiring disconnection or short circuit in it Supposed Causes Defective connection of thermistor Defective thermistor Defective outdoor unit main PCB Troubleshooting Thermistor is connected to the con...

Страница 218: ...door air R1T X18A R1T X18A J3 Discharge pipe thermistor for M1C R21T X19A Group connector R21T X19A Group connector Discharge pipe thermistor for M2C R22T Compressor body thermistor for M1C R8T R8T Co...

Страница 219: ...page 272 Are the characteristics of the high pressure sensor normal Make a comparison between voltage characteristics and gauge pressure Replace the high pressure sensor S1NPH Replace the outdoor unit...

Страница 220: ...page 272 Are the characteristics of the low pressure sensor normal Make a comparison between voltage characteristics and gauge pressure Replace the low pressure sensor S1NPL Replace the outdoor unit m...

Страница 221: ...detected during the output of waveform before compressor startup Detect according to current value detected with the current sensor during synchronous operation for startup Error Decision Conditions W...

Страница 222: ...PCB 2 and the fan PCB 3 Replace the inverter PCB 2 1 RXQ6 12AR M1C RXQ14 16AR M1C M2C 2 RXQ6 12AR A3P RXQ14 16AR A3P A6P 3 RXQ6 8AR A4P RXQ10 16AR A4P A7P NO YES Turn OFF the power supply once and the...

Страница 223: ...cy detection circuit on the outdoor unit main PCB Supposed Causes Defective wiring Defective outdoor unit main PCB Troubleshooting Error recurs after turning OFF the power and ON again Any disconnecti...

Страница 224: ...ubleshooting Subcode L4 01 02 03 09 10 11 Continue operation Field factor Power module temperature may have risen due to high outdoor air temperature Turn ON the power supply and then press the ON but...

Страница 225: ...re NO Replace the fan PCB RXQ6 8AR A4P RXQ10 16AR A4P A7P YES Turn ON the power supply Does the error recur when operation starts Check the cooling conditions of the inverter heat sink 1 Is the insula...

Страница 226: ...shooting Compressor model A A JT1GUVDYR 41 9 JT16KCVDYR 64 2 Power OFF Open the stop valve YES NO Is the stop valve open YES YES Are wiring and wire connections to the relevant compressor normal Recti...

Страница 227: ...sults in the recurrence of the error Continue operation The error could have resulted from causes such as instantaneous power failure NO The insulation resistance of the relevant compressor is 100 k o...

Страница 228: ...g Defective inverter PCB Troubleshooting Compressor model A A B A JT1GUVDYR 21 0 17 6 JT16KCVDYR 30 0 27 5 Power OFF Open the stop valve YES NO Is the stop valve open YES YES Are wiring and wire conne...

Страница 229: ...e recurrence of the error Continue operation The error could have resulted from causes such as instantaneous power failure NO A NO YES The insulation resistance of the relevant compressor is 1 M or le...

Страница 230: ...de L9 Method of Error Detection Detect error according to the signal waveform of compressor Error Decision Conditions When compressor startup operation has not been completed Supposed Causes The stop...

Страница 231: ...unit is out of power supply for more than 6 hours Solve the refrigerant stagnation Power should be supplied for more than 6 hours YES Caution Be sure to turn off the power switch before connecting or...

Страница 232: ...YES NO The internal wiring of the compressor coil is defective Replace the compressor 1 YES Is the insulation resistance of the relevant compressor 100 k or more Refrigerant is stagnated The unit is...

Страница 233: ...nit main PCB transmission block Defective noise filter External factors e g noise Defective reactor Defective compressor Defective fan motor Troubleshooting Properly connect the harness NO YES Caution...

Страница 234: ...onnect the connector NO YES Is the connector between the outdoor unit main PCB and the inverter PCB securely connected NO Replace the outdoor unit main PCB A1P YES The fuse of the noise filter PCB has...

Страница 235: ...t voltage imbalance through inverter PCB Error Decision Conditions Power supply voltage imbalance exceeds approximately 12 V Error is not decided while the unit operation is continued P1 will be displ...

Страница 236: ...r defective connection of noise filter Replace the inverter PCB RXQ6 12AR A3P RXQ14 16AR A3P A6P YES Explanation to users Use the document Notice of Inspection Results attached to spare part Hand the...

Страница 237: ...stor Defective reactor surface thermistor Defective inverter PCB Troubleshooting Check in Monitor Mode For the models equipped with 2 compressors check the compressor M1C or M2C applicable to the erro...

Страница 238: ...e compressor stops running 1 Radiation fin thermistor 2 Thermistor located in PCB circuit Error Decision Conditions When the resistance of the thermistor comes to a value equivalent to open or short c...

Страница 239: ...RXQ6 12AR A3P RXQ14 16AR A3P A6P Replace the compressor RXQ6 12AR M1C RXQ14 16AR M1C M2C Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be dama...

Страница 240: ...ng Check in Monitor Mode For the models equipped with 2 compressors check the compressor M1C or M2C applicable to the error code PJ while in monitor mode of the outdoor unit Has the DIP switch setting...

Страница 241: ...CHECK 2 Refer to page 262 CHECK 3 Refer to page 263 CHECK 7 Refer to page 267 Replace the thermistor NO Replace the outdoor unit main PCB A1P YES YES Are the characteristics of the suction air thermis...

Страница 242: ...erly connected to the terminal block The fuse of the noise filter PCB is blown out Power supply voltage falls within 380 V to 415 V between L1 L2 L2 L3 and L3 L1 The connectors between the terminal bl...

Страница 243: ...r Defective connection of signal cable Troubleshooting Check in Monitor Mode For the models equipped with 2 compressors check the compressor M1C or M2C applicable to the error code U2 while in monitor...

Страница 244: ...the compressor and the fan motor may have been damaged Replace the inverter PCB 1 If the inverter PCB gets severely damaged check for the compressor Continue operation The error could have resulted f...

Страница 245: ...onducted U3 03 Conduct the test operation Test operation failed due to indoor unit error U3 02 Check for the refrigerant piping and then conduct the test operation U3 04 Conduct the test operation due...

Страница 246: ...of Error Detection Microcomputer checks if transmission between indoor and outdoor units is normal Error Decision Conditions Transmission is not carried out normally for a certain amount of time Supp...

Страница 247: ...the outdoor outdoor transmission wiring Does the system normally operate with a single transmission line U4 01 1 OFF ON BLINK SEG1 SEG2 SEG3 1 2 Correct the voltage Replace the fuse Modify the transmi...

Страница 248: ...according to relevant error codes NO YES Check controller indoor units 1 Some error about thermistor or fan motor electronic expansion valve or defective PCB 2 Test operation was interrupted by the M...

Страница 249: ...ge 41 for Main Sub setting Control by 2 remote controllers Main Sub setting of both remote controllers is set to Main All indoor unit PCB microcomputer normal monitors blinking Resets normally when po...

Страница 250: ...if transmission between outdoor units is normal Error Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Connection error of transmission w...

Страница 251: ...code Error code Sub code Error code Sub code Error code Sub code Error code Sub code Error code Sub code Error code Sub code Go to Diagnosis Flowchart 3 Transmission error between master and slave 1 G...

Страница 252: ...tdoor unit Diagnosis Flowchart 1 Supply power to the outdoor unit Is power supplied to the outdoor unit Is the normal operation monitor LED on the outdoor unit main PCB blinking Is the normal operatio...

Страница 253: ...smission wirings to multi slave 1 have caused wiring disconnection in them or are being disconnected Modify the outdoor unit multi transmission wirings and then reset the power supply Replace the outd...

Страница 254: ...y Replace the outdoor unit main PCB A1P Replace the outdoor unit main PCB A1P Rectify the error in the connection of transmission wirings and then reset the power supply One of outdoor unit multi tran...

Страница 255: ...r between main and sub remote controller Connection between sub remote controllers Defective remote controller PCB Troubleshooting Refer to page 41 for Main Sub setting Main Sub setting of both remote...

Страница 256: ...nits Defective electronic expansion valve of other indoor unit Defective indoor unit PCB of other indoor unit Improper connection of transmission wiring between indoor and outdoor unit Troubleshooting...

Страница 257: ...unit main PCB Mismatch of the refrigerant type of indoor and outdoor unit Setting of outdoor unit main PCB was not carried out after replacing to spare PCB Troubleshooting Ensure the sub code or the...

Страница 258: ...utdoor unit main PCB A1P Match the refrigerant types of the outdoor unit and the indoor unit Diagnosis Flowchart 1 UA 17 Error code Sub code Diagnosis Flowchart 2 Error code Sub code UA 18 NO YES YES...

Страница 259: ...units Replace the outdoor unit main PCB A1P Diagnosis Flowchart 5 Diagnosis Flowchart 4 Is the multi combination of outdoor units proper NO Was the outdoor unit main PCB replaced with a spare PCB Rep...

Страница 260: ...that of its own on any other indoor unit Error Decision Conditions The error decision is made as soon as the abnormality aforementioned is detected Supposed Causes Address duplication of centralized...

Страница 261: ...ecks if transmission between indoor unit and centralized controller is normal Error Decision Conditions Transmission is not carried out normally for a certain amount of time Supposed Causes Transmissi...

Страница 262: ...oup No for indoor unit changed Make correct setting of the central control group No Check outdoor units to which the refrigerant system is connected Check whether or not there are no problems with the...

Страница 263: ...s section Is the voltage between the terminals F1 and F2 in the range of 15 2 to 17 6 VDC Replace the centralized controller Centralized controller Normal OK Correct the wiring NG A NO Correct the wir...

Страница 264: ...ransmission wiring between indoor outdoor units and outdoor outdoor units Failure to execute check operation Defective indoor unit PCB Stop valve is not opened Troubleshooting Is indoor outdoor and ou...

Страница 265: ...r unit models Error Code UH Method of Error Detection Detect an indoor unit with no auto address setting Error Decision Conditions The error decision is made as soon as the abnormality aforementioned...

Страница 266: ...isconnect the outdoor outdoor unit transmission wiring to create the one system status and then check whether or not the system is normal NO YES YES After fixing incorrect wiring press and hold the RE...

Страница 267: ...of the pressure sensor Defective high pressure control In cooling High suction air temperature of the condenser High suction air temperature of outdoor unit Short circuit High outdoor air temperature...

Страница 268: ...and connection Check for the thermistor resistance and connection Are the voltage characteristics normal Low suction air temperature of the evaporator Low suction air temperature of indoor unit Short...

Страница 269: ...to shaft damage Superheat due to defective compressor Indoor unit electronic expansion valve failure Irregular piping length Bend collapse Including moisture choke Stop valve is closed Hot gas circuit...

Страница 270: ...ck mode Preparation Multimeter Prepare the analog type of multimeter For the digital type of multimeter those with diode check function are available for the checking No Measuring point Judgment Crite...

Страница 271: ...sis 265 PCB and Circuit Diagram P3 U V W N3 J1 J2 J3 P1 P1 P2 IGBT X11A U V W L1 L2 L3 X10A DM K2 P3 N3 J1 J2 J3 Since the appearance of PCB shown in this outline drawing is different from the actual...

Страница 272: ...uperheating degree of suction gas lowers or wet operation is performed Consequently the compressor becomes lower in discharge pipe temperature despite of pressure loads 3 The subcooling degree of cond...

Страница 273: ...ng capacity Cooling High pressure Low pressure Frequency The opening degree of the indoor unit electronic expansion valve becomes larger Either of the electronic expansion valves becomes fully open Fr...

Страница 274: ...of 100 7 kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise If the reading rises moisture may have remained in the system or refrigerant...

Страница 275: ...AR Type C Type A Type A FXDQ PD Type B Type J FXDQ ND FXMQ PB FXMQ AR FXAQ AR Thermistor Type R1T Outdoor air thermistor E R21T Discharge pipe thermistor for M1C H R22T Discharge pipe thermistor for M...

Страница 276: ...65 84 65 6705 65 80 5 51 05 50 9947 51 07 10 39 91 39 9149 39 97 15 31 44 31 4796 31 51 20 24 95 25 0060 25 02 25 19 94 20 0000 20 00 30 16 04 16 1008 16 10 35 12 99 13 0426 13 04 40 10 58 10 6281 10...

Страница 277: ...6 25 20 19 205 7 20 14 30 16 26 165 7 16 23 35 13 17 134 3 13 16 40 10 74 109 4 10 73 45 8 806 89 58 8 800 50 7 260 73 73 7 255 55 6 014 60 98 6 012 60 5 008 50 67 5 010 65 4 191 42 29 4 196 70 3 525...

Страница 278: ...5 1 0 45 9 51 0 5 0 4 5 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 0 0 5 0 5 0 0 5 1 1 5 2 2 5 3 3 5 4 VDC kg cm2 MPa PH PL PH MPa VH 0 5 PL MPa VL 0 5 PH High pressure MPa PL Low pressure MPa VH Output Voltage...

Страница 279: ...blocks the outdoor outdoor unit transmission wiring has no broken wires in it If there is no continuity the transmission wiring may have broken wires With the outdoor outdoor unit terminal of the Out...

Страница 280: ...With the indoor outdoor unit terminal of the Outdoor Unit C short circuited identify the place with continuity in the transmission wiring of the Indoor Unit b transmission wiring of the Indoor Unit c...

Страница 281: ...heck that the values are balanced and there is no short circuiting while connector or relay connector is disconnected Indoor unit FXMQ50 140PB Measurement of power wire connector Remove the X1A connec...

Страница 282: ...ctors 3 core wire to check that the values are according to the judgment criteria and there is no short circuiting while connector or relay connector is disconnected Model Judgment criteria Black Red...

Страница 283: ...ignal wire connector Remove the X2A connector and measure the resistance between GND and Vcc Hw Hv or Hu terminals of the motor connector with five conductors White 1 Orange 2 Brown 3 Blue 4 5 6 Red 7...

Страница 284: ...ck the continuity to judge the condition The normal products will show the following conditions Outdoor unit RXQ6 8AR RXQ10 16AR White 1 Yellow 2 Orange 3 Blue 4 5 Red 6 X22A Y2E Orange 1 Red 2 Yellow...

Страница 285: ...Black 4 Gray 6 5 Orange 1 Gray 6 Yellow 3 1 3 Red 2 Black 4 2 4 M Measuring points Judgment criteria 1 2 No continuity 1 3 92 1 6 46 2 4 92 2 6 46 1 White 2 Yellow 3 Orange 4 Blue 6 Red 5 White 1 Red...

Страница 286: ...Orange White Yellow Red 1 2 6 Blue 3 4 5 Measuring points Judgment criteria 1 2 No continuity 1 3 300 1 6 150 2 4 300 2 6 150 White 1 Red 5 Orange 3 1 3 Yellow 2 Brown 6 Blue 4 2 4 M 1 White 2 Yellow...

Страница 287: ...SiME341909EA Part 7 Appendix 281 1 Wiring Diagrams 282 1 1 Outdoor Unit 282 1 2 Indoor Unit 285 Part 7 Appendix...

Страница 288: ...Wiring Diagrams SiME341909EA 282 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXQ6 8ARYFK 3D124186A...

Страница 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...

Страница 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...

Страница 291: ...SiME341909EA Wiring Diagrams Part 7 Appendix 285 1 2 Indoor Unit 1 2 1 Ceiling Mounted Cassette Round Flow with Sensing Type FXFSQ25 32 40 50 63 80 100 125 140ARV1 3D121473...

Страница 292: ...Wiring Diagrams SiME341909EA 286 Part 7 Appendix BYCQ125EASF Auto Grille Panel for FXFSQ AR 3D108035...

Страница 293: ...SiME341909EA Wiring Diagrams Part 7 Appendix 287 1 2 2 Slim Ceiling Mounted Duct Type Standard Series FXDQ20 25 32PDVM FXDQ40 50 63NDVM 3D124914B...

Страница 294: ...Wiring Diagrams SiME341909EA 288 Part 7 Appendix 1 2 3 Ceiling Mounted Duct Type FXMQ40 50 63 80 100 125 140PBV1 3D110450B...

Страница 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...

Страница 296: ...Wiring Diagrams SiME341909EA 290 Part 7 Appendix 1 2 4 Wall Mounted Type FXAQ20 25 32 40 50 63ARVM 3D118250D...

Страница 297: ...ct will be used This statement does not purport to exclude restrict or modify the application of any local legislation z z Ask a qualified installer or contractor to install this product Do not try to...

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