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Names and Functions

SiAF332111E

Part 3 Remote Controller

2.2.3 How to Check Initial Set Value

Press the

INSPECTION

button to check the 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

Ceiling mounted duct type

FXMQ-PB

FXMQ-AR

2000

Wall mounted type

FXAQ-P

1010

Initial set value

Содержание VRV S RXMQ10ARY1

Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...

Страница 2: ...cuit Piping Diagrams 16 1 1 Outdoor Unit 16 1 2 VRV Indoor Unit 25 2 Functional Parts Layout 26 2 1 RXQ4ARV1 26 2 2 RXQ5ARV1 28 2 3 RXMQ6ARV1 30 2 4 RXMQ8ARY1 31 2 5 RXMQ10 12ARY1 32 Part 3 Remote Con...

Страница 3: ...3 9 Dew Condensation Prevention Control 87 3 10 Electronic Expansion Valve Control 88 3 11 Circulation Airflow FXFSQ AR only 88 Part 5 Field Settings and Test Operation 90 1 Field Settings for Indoor...

Страница 4: ...its 182 3 Error Code via Remote Controller 183 3 1 BRC1E63 183 3 2 BRC4M Series 184 4 Error Code via Outdoor Unit PCB 185 4 1 4 5 HP Models 185 4 2 6 12 HP Models 189 5 Troubleshooting by Error Code 1...

Страница 5: ...us Overcurrent 272 5 45 Compressor Overcurrent 275 5 46 Compressor Startup Abnormality 278 5 47 Transmission Error between Microcomputers on Outdoor Unit Main PCB 281 5 48 Transmission Error between I...

Страница 6: ...on Check 339 6 4 Power Transistor Check 340 6 5 Wet Operation Check 344 6 6 Refrigerant Overcharge Check 345 6 7 Refrigerant Shortage Check 346 6 8 Vacuuming and Dehydration Procedure 347 6 9 Inverter...

Страница 7: ...F332111E 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 Introducti...

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: ...ble 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 or...

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: ...SiAF332111E Revision History Introduction 7 3 Revision History Month Year Version Revised contents 12 2021 SiAF332111E First edition...

Страница 14: ...del Names 9 1 1 Outdoor Unit 9 1 2 VRV Indoor Unit 9 2 External Appearance 10 2 1 Outdoor Unit 10 2 2 VRV Indoor Unit 10 3 Capacity Range 11 3 1 Connection Ratio 11 3 2 Outdoor Unit Combinations 11 4...

Страница 15: ...3 5 Capacity index 100 125 150 200 250 300 Cooling Only RXQ 4AR 5AR V1 RXMQ 6AR 8AR 10AR 12AR Y1 Capacity range kW 2 2 2 8 3 6 4 5 5 6 7 1 9 0 11 2 14 0 16 0 Power supply Standard HP 0 8 1 1 25 1 6 2...

Страница 16: ...tdoor Unit 2 2 VRV Indoor Unit Ceiling mounted cassette Ceiling concealed duct Wall mounted Round flow cassette with sensing FXFSQ AR 6 8 HP 4 5 HP 10 12 HP RXMQ6ARV1 RXMQ8ARY1 RXQ4ARV1 RXQ5ARV1 RXMQ1...

Страница 17: ...pacity index of the indoor units Capacity index of the outdoor units Model RXQ4ARV1 RXQ5ARV1 RXMQ6ARV1 RXMQ8ARY1 RXMQ10ARY1 RXMQ12ARY1 kW 11 2 14 0 16 0 22 4 28 0 33 5 HP 4 5 6 8 10 12 Capacity index...

Страница 18: ...e Direct drive Connecting pipes Liquid pipe mm 9 5 Flare connection 9 5 Flare connection Gas pipe mm 15 9 Flare connection 15 9 Flare connection Mass kg 72 79 Safety devices High pressure switch Fan d...

Страница 19: ...irect drive Direct drive Connecting pipes Liquid pipe mm 9 5 Flare connection 9 5 Flare connection Gas pipe mm 19 1 Brazing connection 19 1 Brazing connection Mass kg 97 115 Safety devices High pressu...

Страница 20: ...pipes Liquid pipe mm 9 5 Brazing connection 12 7 Brazing connection Gas pipe mm 22 2 Brazing connection 25 4 Brazing connection Mass kg 165 170 Safety devices High pressure switch Fan driver overload...

Страница 21: ...cuit 15 1 Refrigerant Circuit Piping Diagrams 16 1 1 Outdoor Unit 16 1 2 VRV Indoor Unit 25 2 Functional Parts Layout 26 2 1 RXQ4ARV1 26 2 2 RXQ5ARV1 28 2 3 RXMQ6ARV1 30 2 4 RXMQ8ARY1 31 2 5 RXMQ10 12...

Страница 22: ...on 8 Pressure regulating valve Receiver to discharge pipe This valve opens at a pressure of 4 0 MPa for prevention of pressure increase thus resulting in no damage of functional parts due to the incre...

Страница 23: ...rcuit Piping Diagrams Part 2 Refrigerant Circuit 17 C 3D120124B 8 3 Y2S R2T 5 6 7 1 M1C 4 Y3S 2 M1F 14 R10T 9 R1T 10 13 R5T 11 R3T R4T 12 1 1 1 The radiation fin thermistor 14 R10T is located near the...

Страница 24: ...t a pressure of 4 0 MPa for prevention of pressure increase thus resulting in no damage of functional parts due to the increase of pressure in transportation or storage 8 R1T Thermistor Outdoor air Ta...

Страница 25: ...rant Circuit Piping Diagrams Part 2 Refrigerant Circuit 19 C 3D120193B The radiation fin thermistor 13 R10T is located near the electrical component box 4 5 6 1 M1C 3 Y3S 7 11 R4T 9 R2T 12 R5T 10 R3T...

Страница 26: ...e increase thus resulting in no damage of functional parts due to the increase of pressure in transportation or storage 9 Double tube heat exchanger Subcooling heat exchanger Used to subcool liquid re...

Страница 27: ...SiAF332111E Refrigerant Circuit Piping Diagrams Part 2 Refrigerant Circuit 21 RXMQ6ARV1 C 3D132678A 7 9 8 14 1 12 6 13 2 3 4 11 15 5 10...

Страница 28: ...Refrigerant Circuit Piping Diagrams SiAF332111E 22 Part 2 Refrigerant Circuit RXMQ8ARY1 C 3D132703A 7 9 8 14 1 12 6 13 2 3 4 11 15 5 10...

Страница 29: ...of 4 0 MPa to prevent pressure increase thus protecting functional parts from damage due to the increase of pressure in transportation or storage 10 Capillary tube Used to return the refrigerating oil...

Страница 30: ...S1NPH Filter valve Y1E SEPARATOR Gas pipe Heat exchanger Double tube Four way valve Port valve Y2E M1F M2F Filter Filter Check valve High pressure switch INV Electronic Heat exchanger M1C Service S1P...

Страница 31: ...All indoor units Used for thermostat control 3 Indoor liquid pipe thermistor R2T All indoor units Used for gas superheated degree control while in cooling 4 Indoor gas pipe thermistor R3T All indoor u...

Страница 32: ...2 1 RXQ4ARV1 Front view C 1P544577E Fan motor R2T Compressor motor Y2S Y3S S1NPL High pressure switch S1PH S1NPH Low pressure sensor High pressure sensor Solenoid valve coil Hot gas bypass pipe Soleno...

Страница 33: ...SiAF332111E Functional Parts Layout Part 2 Refrigerant Circuit 27 Bird s eye view C 1P544577E R4T Thermistor Heat exchanger deicer R1T Thermistor Outdoor air Thermistor Suction pipe 1 R3T...

Страница 34: ...gerant Circuit 2 2 RXQ5ARV1 Front view w e i v r a e R w e i v e d i S C 1P544363C R5T Thermistor Suction pipe 2 R2T Thermistor Discharge pipe Fan motor M1F R3T Thermistor Suction pipe 1 R1T Thermisto...

Страница 35: ...tional Parts Layout Part 2 Refrigerant Circuit 29 Bird s eye view C 1P544337E High pressure switch S1PH Compressor motor M1C Solenoid valve coil Unload circuit Y3S High pressure sensor S1NPH Low press...

Страница 36: ...expansion valve Refrigerant auto charge Y4E Thermistor Discharge pipe R21T High pressure switch S1PH Low pressure sensor S1NPL Compressor motor M1C Thermistor Subcooling heat exchanger liquid pipe R5T...

Страница 37: ...ipe R3T Electronic expansion valve Refrigerant auto charge Y4E High pressure switch S1PH Low pressure sensor S1NPL Compressor motor M1C Thermistor Subcooling heat exchanger liquid pipe R5T Thermistor...

Страница 38: ...MQ10 12ARY1 Front view C 1P562067C Compressor motor M1C Crankcase heater E1HC Thermistor Compressor body R8T R21T Thermistor Discharge pipe Thermistor Accumulator R3T Fan motor M1F Fan motor M2F Y1E E...

Страница 39: ...l Parts Layout Part 2 Refrigerant Circuit 33 Bird s eye view Thermistor Heat exchanger deicer R7T Thermistor Heat exchanger liquid pipe R4T Thermistor Outdoor air R1T Solenoid valve Accumulator oil re...

Страница 40: ...2111E 34 Part 2 Refrigerant Circuit Bird s eye view C 1P562067C Thermistor Subcooling heat exchanger gas pipe R6T High pressure sensor S1NPH Low pressure sensor S1NPL High pressure switch S1PH Thermis...

Страница 41: ...3 3 2 When Wireless Remote Controller is Used Together 44 4 Address Setting for Wireless Remote Controller 45 4 1 Setting for Signal Receiver PCB 45 4 2 Setting for BRC4M Series 46 4 3 Multiple Settin...

Страница 42: ...Some functions are not available depending on the remote controller type Refer to page 37 for details Series Wired remote controller Wireless remote controller Navigation Remote controller Receiver F...

Страница 43: ...ction 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 timer ON OFF...

Страница 44: ...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 45: ...e 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 air...

Страница 46: ...SPECTION BUTTON is pressed the display shows the system mode is in Do not operate this button during normal use Press the button and the air conditioner will start Press the button again and the air c...

Страница 47: ...signals from the remote controller 23 24 TIMER INDICATOR LAMP Green This lamp stays lit while the timer is set 25 26 OPERATING INDICATOR LAMP Red This lamp stays lit while the air conditioner runs It...

Страница 48: ...ECTION button to check the 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 ty...

Страница 49: ...is displayed How to change Main Sub setting You may change the Main Sub setting of the remote controller while Checking the connection Please stand by is displayed by pressing and holding the Mode Sel...

Страница 50: ...a wired and a wireless remote controller for 1 indoor unit the wired controller should be set to Main Therefore the Main Sub switch SS1 of the signal receiver PCB must be set to Sub Main Sub Main Sub...

Страница 51: ...ntrol 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 a...

Страница 52: ...seconds to enter the Field Setting mode SETTING is indicated on the display 2 Press the SELECT button and select a multiple setting A b Each time the button is pressed the display switches between A...

Страница 53: ...ote 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 l...

Страница 54: ...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 55: ...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 Item 2 i...

Страница 56: ...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 display...

Страница 57: ...t 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 remote controller can be dis...

Страница 58: ...irection 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...

Страница 59: ...ay 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 check Code 00 01 02 03...

Страница 60: ...2 6 Protection Control 75 2 7 Special Control 79 3 Outline of Control Indoor Unit 80 3 1 Set Temperature and Control Target Temperature 80 3 2 Thermostat Control 80 3 3 Automatic Airflow Rate Control...

Страница 61: ...n control YES NO Error Standby Normal operation Indoor unit thermostat ON Indoor unit thermostat ON Error Standby Error Standby Operation in stop control Pressure equalization prior to startup Indoor...

Страница 62: ...ssor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection control and compressor operating frequency upper limit control with inve...

Страница 63: ...g operating frequency etc Compressor Frequency 4 5 HP Depending on the operating conditions of the compressor the compressor can be run in an operating mode different from the modes listed in the tabl...

Страница 64: ...115 250 2 16 73 5 66 135 9 116 253 2 17 74 4 67 137 7 117 256 5 18 75 3 68 139 5 118 259 8 19 76 2 69 141 3 119 263 1 20 77 1 70 143 1 120 266 4 21 78 0 71 144 9 121 269 7 22 78 9 72 146 7 122 273 0 2...

Страница 65: ...gher When outdoor temperature 18 C the compressor will run in Step 5 or higher When outdoor temperature 12 C the compressor will run in Step 1 or higher Fan Steps SH Tsh Te SH Tsh Te Evaporator outlet...

Страница 66: ...e Startup Control in Cooling Operation Outdoor Unit Actuator Electric symbol Pressure equalization control prior to startup Startup control RXQ4ARV1 RXQ5ARV1 RXMQ 10 12ARY1 STEP 1 STEP 2 Compressor M1...

Страница 67: ...Te and compressor loads Oil return control starts every 8 hours of cumulative operation of the compressor even if the reference value is not met Oil Return Control Outdoor unit actuator Electric symbo...

Страница 68: ...p 1 Pump down residual control Step 2 RXQ4ARV1 RXQ5ARV1 RXMQ 10 12ARY1 Compressor M1C M1C M1C 124 Hz Minimum frequency Outdoor fan M1F M1F M1F M2F Fan control Fan control Electronic expansion valve Ma...

Страница 69: ...eration Pc 3 47 MPa After 10 seconds Pc 3 47 MPa Pc 3 23 MPa Pc 3 64 MPa Current step maintained After 15 seconds High pressure not limited High pressure limited Pc High pressure sensor detection valu...

Страница 70: ...times within 30 minutes the error code E4 is output Low pressure standby Low pressure limited HTdi 115 C Tp 135 C OR 36 Hz Unload HTdi 115 C Tp 135 C OR HTdi 135 C HTdi 120 C for 10 minutes or more OR...

Страница 71: ...23 0 24 1 10 12HP 22 0 22 0 Not limited Limited Inverter current A A Inverter current A A Inverter current B A 10 continues for 260 seconds Inverter current A A Compressor upper limit Maximum frequen...

Страница 72: ...sor upper limit frequency 1 step up from current compressor frequency Current step maintained Without conditions When occurring 4 times within 60 minutes the error code L4 is output Tfin Fin thermisto...

Страница 73: ...outdoor unit is forcibly reduced by using Demand 1 Setting To enable this operation additional setting of Constant Demand Setting is required Demand 1 Setting Other protection control functions have p...

Страница 74: ...dby control 1 Restart standby 2 Crankcase heater control Startup control include pressure equalization before startup 1 Cooling startup control Normal control 1 List of functions in normal control 2 C...

Страница 75: ...lize the pressure within the refrigerant system In addition the outdoor fan carry out the residual operation for a while to accelerate pressure equalizing and to suppress melting of the refrigerant to...

Страница 76: ...l 2 5 1 List of Functions in Normal Control Pc High pressure sensor detection value Pe Low pressure sensor detection value Tc High pressure equivalent saturation temperature Te Low pressure equivalent...

Страница 77: ...apacity In case of target evaporation temperature adjustment first the capacity is adjusted by changing the indoor unit airflow to L tap If the capacity is still too much the target evaporation temper...

Страница 78: ...ture can be changed For details refer to Details of Setting Mode Mode 2 on page 135 for Cooling Te set based on field setting 2 8 During operation outdoor control will take into account the pressure d...

Страница 79: ...39 105 40 40 106 41 41 107 Cooling 124 6 127 3 130 0 132 4 134 7 136 7 138 7 140 9 143 4 145 9 148 6 151 2 153 7 156 4 159 1 162 0 164 9 168 0 171 0 173 9 177 0 180 1 183 5 187 1 190 4 193 8 197 2 20...

Страница 80: ...of outdoor fans in the steps listed in table below according to condition changes When the system detects that outdoor air temperature Ta reaches 41 C or more the control of fan revolutions will be c...

Страница 81: ...d to protect 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...

Страница 82: ...to an abnormality or transient inverter overcurrent and fin temperature increase Inverter overcurrent protection control by primary current CTi1 Normal control Discharge pipe temperature 135 C Dischar...

Страница 83: ...tion Secondary current CTi2 A A 17 5 90 sec or 18 0 B 18 5 90 sec or 19 0 C 22 1 D 14 5 E 18 5 6 8 10 12 14 16 18 20 22 24 43 44 45 46 47 48 49 50 51 52 53 CTi1 A Graph B Ta C Normal control Reduce co...

Страница 84: ...eating of the compressor when it becomes damaged or abnormal operation Condition All compressors A more than 91 C B less than 89 C C more than 110 C Normal control Fin temperature standby Reduce compr...

Страница 85: ...rol starts when the following item meets the reference value Total amount of oil discharged from the compressor The total amount of oil discharged from the compressor is computed from Tc Te and compre...

Страница 86: ...alues of the suction air thermistor and the infrared floor sensor It is difficult to use only suction air temperature control for underfoot air conditioning 3 2 Thermostat Control 3 2 1 Without Option...

Страница 87: ...the temperature around people Cooling operation When the floor temperature is lower than suction air thermistor detection temperature R1T R1T will be treated as the control target temperature for ope...

Страница 88: ...Q AR HM and ML taps can be manually set with remote controller Conditions FXAQ P Cooling Direction set Thermostat ON Set Thermostat OFF Set Swing set Thermostat ON Swing Thermostat OFF Swing Program d...

Страница 89: ...eed and airflow direction are set to Auto For detailed control contents refer to Automatic Airflow Rate Control and Airflow Direction Control 3 7 Drain Pump Control 3 7 1 Normal Operation The float sw...

Страница 90: ...rns OFF once residual operation has ended then turns ON again after 5 seconds 3 After A3 is displayed and the unit comes to an abnormal stop the thermostat will remain OFF even if the float switch tur...

Страница 91: ...or and the error code AF is displayed on the remote controller 2 The drain pump continues to turn ON OFF in accordance with the float switch ON OFF even after AF is displayed on the remote controller...

Страница 92: ...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 thermostat ON OF...

Страница 93: ...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 94: ...T between set temperature and suction air temperature SH Tg Tl where SH Evaporator outlet superheating degree C Tg Indoor unit gas pipe temperature R3T Tl Indoor unit liquid pipe temperature R2T SHS T...

Страница 95: ...1 Pattern 1 120 600 120 600 02 Pattern 2 120 600 0 0 03 Pattern 3 0 0 120 600 04 Pattern 4 120 600 120 600 Indicates the horizontal flap is in the position of reducing airflow volume the flap is inver...

Страница 96: ...7 Check Operation 121 3 Field Settings for Outdoor Unit 6 8 HP Models 122 3 1 Function Setting 122 3 2 Settings by DIP Switches 123 3 3 Settings by BS Buttons 126 3 4 Normal Mode 128 3 5 Monitor Mode...

Страница 97: ...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 No to be set by using U...

Страница 98: ...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 99: ...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 100: ...bsence area detection 30 minutes 60 minutes 99 10 Dry operation time during VRTsmart control 30 minutes 60 minutes 90 minutes Continuous notreturning to cooling 99 11 Low airflow setting when thermost...

Страница 101: ...4 way airflow 3 way airflow 2 way airflow 104 2 Swing pattern settings All direction synchronized swing Facing swing 104 4 Airflow direction adjustment range Refer to the page on the right for details...

Страница 102: ...sating the temperature around people 12 22 0 Optional accessories output selection 1 External ON OFF input 2 Thermostat differential changeover 5 Auto restart after power failure 6 Airflow setting whe...

Страница 103: ...oom temperature 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 ther...

Страница 104: ...20 6 01 is set at the same time as 10 20 2 01 02 03 field setting 10 20 6 has priority for group connection and 10 20 2 has priority for individual connection Mode No First Code No Second Code No Cont...

Страница 105: ...easing 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 set value for duration of dry operat...

Страница 106: ...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 operation is stopped and then select the...

Страница 107: ...11 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 of adaptor for wiring...

Страница 108: ...he Floor Temperature when Cooling Offset the detected value of the infrared floor sensor with a certain temperature This setting should be used to have the actual floor temperature detected when for e...

Страница 109: ...No First Code No Second Code No Contents Ceiling Height All round outlet 4 way Outlets 3 way Outlets 2 way Outlets 13 23 0 01 Standard Lower than 2 7 m Lower than 3 1 m Lower than 3 0 m Lower than 3 5...

Страница 110: ...gularity Conventional swing operation all direction synchronized swing can be set onsite Factory setting 1 4 20 Airflow Direction Adjustment Range Make the following airflow direction setting accordin...

Страница 111: ...et to swing flaps swing even when the thermostat is OFF This setting allows to change the airflow direction when the thermostat is OFF Factory setting 1 4 23 Setting of Circulation Airflow This is to...

Страница 112: ...f When the second code No is set to 02 Equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit Factory setting 1 4 27 Drain Pump and Humidifier Interlock Se...

Страница 113: ...atural evaporation type humidifier or branch air duct is equipped due to the possibility of dew condensation This setting restricts the airflow block function preventing that the airflow block is inad...

Страница 114: ...setting by remote controller can be set and displayed by operation modes 0 through 19 ON OFF control impossible by remote controller Used when you want to turn ON OFF by central remote controller onl...

Страница 115: ...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 OF...

Страница 116: ...d Settings for Outdoor Unit 4 5 HP Models 2 1 Capacity Setting Be sure to carry out capacity setting after changing the main PCB A1P to spare PCB Attach the capacity setting adaptor corresponding to c...

Страница 117: ...blinks Used to check the program made in setting mode 2 1 2 ON OFF DS1 H1P H3P H5P H7P H2P H4P H6P MODE BS1 SET BS2 TEST BS4 RESET BS5 RETURN BS3 Monitor mode Setting mode 2 Setting mode 1 Initial con...

Страница 118: ...t available Do not conduct any modifications on the default factory setting Caution Check the system for each condition through LED displays Refer to information in table on the right Press the RETURN...

Страница 119: ...Sets starting time of nighttime low noise operation Night time low noise setting is also required 27 Night time low noise operation end setting Sets ending time of nighttime low noise operation Night...

Страница 120: ...ber 1 k h h h h h k s t i g i d 6 63 k k k k k k k 20 Additional refrigerant charge operation setting k h k h k h h Refrigerant charging OFF k h h h h h k Refrigerant charging ON k h h h h k h 21 Refr...

Страница 121: ...ription the latest l h h k k k h Refer to error code table on Part 6 15 Error description 1 cycle before l h h k k k k 16 Error description 2 cycle before l h k h h h h 20 Contents of retry the latest...

Страница 122: ...sisting of the lower 6 digits 0 63 In the figure 1 the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for N...

Страница 123: ...6 00 AM 7 00 AM or 8 00 AM for the item 2 27 Use the ending time as a guide since it is estimated according to outdoor air temperatures 4 If necessary while in setting mode 2 set the item 2 29 Capaci...

Страница 124: ...nit is not required 1 While in setting mode 2 set the item 2 32 Constant demand setting to ON 2 While in setting mode 2 select a demand 1 level for the item 2 30 Set item Condition Content Demand 1 Le...

Страница 125: ...button two times The system returns to 1 5 Push the MODE BS1 button one time The system returns to setting mode 1 and the H1P goes OFF ON OFF l Blink 3 2 1 Setting No Setting contents Setting No indic...

Страница 126: ...button to stop the operation The operation is automatically stopped within 30 minutes If charging is not completed within 30 minutes set and perform the refrigerant additional charging operation A aga...

Страница 127: ...Operation To prevent any trouble in the period of installation onsite the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or mis...

Страница 128: ...capacity or less 7 Demand 1 Level 7 90 of rated capacity or less 8 Demand 1 Level 8 95 of rated capacity or less 9 Demand 2 Level 1 40 of rated capacity or less 10 Demand 2 Level 2 50 of rated capacit...

Страница 129: ...factory settings described above Be sure to refer to the table on the following page in order to make settings of spare PCB after replacement Enforce a re initialization of communication press the RE...

Страница 130: ...ge mode 4 DIP switch Used to make field settings The figure below shows the required position of the DIP switches on spare PCB Change DIP switches at time of power disconnected RXMQ8AR 3 BS button BS1...

Страница 131: ...1 7 21 6 5 62 7 7 7 29 5 35 66 6 72 7 3 3 5 029 7 21 6 5 6 3 7 29 5 21 7 5 5 5 17 3 3 5 029 7 5 6 1 33 1 5 6 6 1 7 38 7 5 5 5 17 3 3 25 5 87 21 2 127 728 7 7 5 6 5 3 7 5 6 7 5 5 029 1 1 75 20321 17 12...

Страница 132: ...ing status performance settings or address setting Monitor mode Used to verify contents of settings quantity of units current value of some parameters during operation of outdoor unit Mode changing pr...

Страница 133: ...ore than 5 sec Normal mode Initial condition Press RETURN BS3 button once Select setting item with SET BS2 button Setting condition selection SET Press RETURN BS3 button once Setting condition Content...

Страница 134: ...e 1 Indoor 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 comp...

Страница 135: ...LINKS ON OFF Legend Segment MODE BS1 MODE BS1 RETURN BS3 RETURN BS3 SET BS2 Checking for description of data Press the SET BS2 button to select any of the monitoring item listed in the following table...

Страница 136: ...rmal 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 OFF ON 0 1 5 Te setting 1 0 5 No...

Страница 137: ...nit PCB status judgment 1 3 2 0 judgment in process 1 normal 2 abnormal 0 1 2 33 Number of abnormal status judgment outdoor unit PCB 1 3 3 Possible 0 15 1 0 5 38 Number of connected RA indoor through...

Страница 138: ...e Press the MODE BS1 button to return 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 BLINK...

Страница 139: ...setting 2 1 8 ON Auto adjust and re judge OFF Auto adjust without re judge Forced level 0 Forced level 1 Forced level 2 0 1 2 3 4 21 Refrigerant recovery vacuuming Used to set the system to refrigera...

Страница 140: ...2 50 Level 3 55 1 2 3 32 Constant demand setting Used to set constant demand 1 or 2 control without inputting any external signal 2 3 2 OFF Demand 1 Mode 2 30 Demand 2 Mode 2 31 0 1 2 34 Indoor fan u...

Страница 141: ...efault 2 6 0 Once setting 2 6 1 is active it is not automatically returning to default when exit mode 2 Mode 2 8 Te target temperature for cooling operation Change the setting in function of required...

Страница 142: ...static pressure level 0 2 Mode 2 21 Refrigerant recovery vacuuming Default value 0 Recovery mode not active Set 1 outdoor and indoor electronic expansion valves are opened fully except EV3 for PCM ves...

Страница 143: ...en start time is reached The time judgment is taken from outdoor air tendency Default value 2 10 00 PM Field setting 1 8 00 PM 3 12 00 AM midnight Mode 2 27 Stop time automatic night time low noise op...

Страница 144: ...he power transistor check mode change setting to default 2 28 0 Output to U V W will also stop when outdoor unit main PCB decides standby mode of inverter circuit Below time graphs show the different...

Страница 145: ...max 2 Check 2 AC U V W 10 Hz intermediate check difference within 10 V at fasten U V W Note Actual voltage value depends on meter characteristics 6 sec 3 sec Check 1 100V AC Step 2 Mode 2 28 Set 02 0...

Страница 146: ...Cooling comfort setting The comfort level is related to the timing and the effort power consumption which is put in achieving a certain room temperature by changing temporally the refrigerant temperat...

Страница 147: ...ol heat master as long this unit is in operation regardless thermostat status Only when this indoor unit is switched OFF operation by remote controller other indoor unit can become cool heat master Pr...

Страница 148: ...e of the outdoor unit Operation time is limited to 24 hours period It is recommended to shut down connected indoor units at the same floor Not possible to use service mode operation e g recovery mode...

Страница 149: ...ol Te upper 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 inp...

Страница 150: ...the low 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 un...

Страница 151: ...se 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...

Страница 152: ...l 1 The 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...

Страница 153: ...ion has 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 Dema...

Страница 154: ...pare the configuration off site on PC and afterwards upload the configuration to the system 4 1 Capacity Setting All the DIP switches on the outdoor unit main PCB A1P are OFF for factory setting and y...

Страница 155: ...ional indoor unit is installed Seven segment display Button switches DIP switches DS1 1 to 4 SEG1 SEG2 SEG3 BS1 BS2 BS3 Confirmation mode Seven segment display 3 G E S 2 G E S 1 G E S 3 G E S 2 G E S...

Страница 156: ...ay to any of the setting items listed in the table on the right For A Cooling heating mode switching of individual units in various outdoor unit systems OFF OFF 0 For B C G ON OFF OFF 1 OFF Default OF...

Страница 157: ...ion sound of the electromagnetic valve but this is not a malfunction or abnormality Individual abnormal indoor units cannot be verified After confirmation operation enter normal operation through the...

Страница 158: ...are located on the outdoor unit main PCB A1P Turn ON the power supply of the outdoor unit and all indoor units When the communication between indoor units and outdoor unit s is established and normal...

Страница 159: ...e result segment display Result mode 1 is accessed Press BS2 10 times result segment display Result mode 1 setting 10 is addressed Press BS3 1 time the value which is returned depending on the actual...

Страница 160: ...ctory Press BS1 for over 5 seconds result segment display Result mode 2 is accessed Press BS2 18 times result segment display Result mode 2 setting 18 is addressed Press BS3 once the value which is re...

Страница 161: ...figurator Cable to the Outdoor Unit Connecting the PC configurator to the outdoor unit has to be done on A1P Connect the EKPCCAB cable to the 5 pin blue connector X27A Works executed on the outdoor un...

Страница 162: ...noise operation during night time by field setting The unit will operate at the selected low noise level during the selected time frames The second method is to enable night time low noise operation...

Страница 163: ...rror code 1 18 shows the error code which occurred 1 time before current error code 1 19 shows the error code which occurred 2 time before current error code When the latest error codes were reset by...

Страница 164: ...this function 1 To stop the refrigerant recovery vacuuming mode press BS3 If BS3 is not pressed the system will remain in refrigerant recovery vacuuming mode 2 22 Automatic night time low noise setti...

Страница 165: ...applied for step 2 The level is according to the table Value 2 31 Power consumption limitation 1 40 default 2 50 3 55 2 32 Forced all time power consumption limitation operation no external control ad...

Страница 166: ...on with setting 2 8 2 49 Max level difference setting In case the outdoor location is higher than indoor extension is possible up till 90 m Refer to 2 49 for dedicated setting Value 2 49 Max level dif...

Страница 167: ...sign pressure of this product is 4 0 MPa Are pipe insulation materials installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak Are respective stop valves on liquid and...

Страница 168: ...rmally After turning on the power supply do not touch any switches excluding button switches and changeover switches when setting the outdoor unit PCB A2P For positions of the BS buttons BS1 5 and cha...

Страница 169: ...er the unit can perform normal operation 3 minutes later The display of the remote controller indicates symbol of test operation during this operation 9 Be sure to attach the front panel of the outdoo...

Страница 170: ...sound of beeps can be heard and the timer lamps on all indoor units go out For details refer to the installation manual included with the indoor unit After test operation is completed operate the unit...

Страница 171: ...the gas side and liquid side stop valves The operation mode of the remote controller is changed before performing test operation Switch the operation mode of all indoor units to cooling The refrigeran...

Страница 172: ...wer supply do not touch any switches excluding button switches and changeover switches when setting the outdoor unit PCB A1P For positions of the BS buttons BS1 3 and changeover switches DS1 1 4 on th...

Страница 173: ...efrigerant recycling mode Never perform test operation with suction pipe thermistor R3T discharge pipe thermistor R21T and pressure sensor S1NPH S1NPL removed Failure to do so will result in compresso...

Страница 174: ...nection of the PCB or the actuator F3 01 Discharge pipe temperature too high R21T Stop valve closed Refrigerant undercharged Open the stop valve Check the amount of refrigerant and recharge the unit 2...

Страница 175: ...Check Q1 Q2 wiring 03 Q1 Q2 or indoor outdoor units wiring error Check Q1 Q2 wiring 04 System test operation ends abnormally Re execute the test operation U9 01 System mismatch Mismatched indoor unit...

Страница 176: ...id and the gas stop valve 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 acco...

Страница 177: ...pply of the outdoor and indoor units 2 Make sure all field settings you want are set 3 Turn ON the power to the outdoor unit and the connected indoor units 4 Make sure the default idle situation is ex...

Страница 178: ...ights up For wireless remote controller After test operation is completed timer lamps blink on all indoor units connected Set the master unit as customer s request It is recommended to set the indoor...

Страница 179: ...settings 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 failur...

Страница 180: ...tor Abnormality 203 5 8 Power Supply Voltage Abnormality 208 5 9 Electronic Expansion Valve Coil Abnormality Dust Clogging 211 5 10 Humidifier System Abnormality 212 5 11 Auto Grille Unit Error 213 5...

Страница 181: ...ormality 288 5 52 Radiation Fin Temperature Abnormality 289 5 53 Incorrect Inverter and Fan Drive Combination 291 5 54 Field Setting after Replacing Outdoor Unit Main PCB Abnormality or Combination of...

Страница 182: ...Vacuuming and Dehydration Procedure 347 6 9 Inverter Related Error Codes 348 6 10 Concept of Inverter Related Error Codes 349 6 11 Thermistor Check 350 6 12 Pressure Sensor Check 353 6 13 Master Unit...

Страница 183: ...f water or contamination by foreign matter may cause defects 3 Precautions for maintaining the electrical box 1 Turn off the power for 10 minutes before opening the cover of the electrical box 2 After...

Страница 184: ...1 15 42 2 54 46 0 13 16 0 46 14 1 22 44 2 67 44 0 15 14 0 50 16 1 29 46 2 80 42 0 16 12 0 54 18 1 37 48 2 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...

Страница 185: ...ion The reason is that the dry operation serves not to reduce the room temperature where possible Change the system to cooling operation 4 The system does not operate The system stops and immediately...

Страница 186: ...g and contracting with temperature changes Normal operation Indoor unit Sounds like trickling or the like are produced from indoor units in the stopped state On VRV systems these sounds are produced w...

Страница 187: ...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 swit...

Страница 188: ...ly 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 sup...

Страница 189: ...e corrective action Operation Status Display Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Push Menu button blinks at the bottom of the screen...

Страница 190: ...nit 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 ste...

Страница 191: ...Detection of DC fan 1 motor lock E7 Electronic expansion valve abnormality 9 E Main 3 F i d T l a m r o n b A e r u t a r e p m e t e p i p e g r a h c s i d l a m r o n b A 4 F m r a l a y t i d i m...

Страница 192: ...4 l h l h h l h h h h l h h F6 l h l l h l h h h h l h h l l l h l h h 1 H7 l h l l l l h h h h l h h H9 l l h h l l h h h h l h h J3 l h l l h l h h l l l h h h h l h h 1 J5 l h l h l l h h h h l h h...

Страница 193: ...rcuit capacitor high voltage voltage P1 Radiation fin thermistor abnormality Defective thermistor of inverter fin P4 PJ Poor inverter and fan drive combination Power supply insufficient or instantaneo...

Страница 194: ...k h h h h h l k k h h l l U2 l h k h h l h l k h h h h h l k k h h k k h l l k k h h l h l k k h h h l U3 l h k h h l l l k h h h h h l k k h h l l U4 l h k h l h h l k h h h h h l k k h h l l l k k h...

Страница 195: ...nspecting error code on indoor unit please consult Display of the remote controller connected to the indoor units If there are no remote controllers there should be a central control device set up Pri...

Страница 196: ...bnormality dust clogging 211 AF k Humidifier system abnormality 212 AH l Auto grille unit error 213 AJ l Defective capacity setting 214 C1 l Transmission abnormality between indoor unit PCB and fan PC...

Страница 197: ...r abnormality 261 J6 l Heat exchanger deicer thermistor abnormality 261 J7 l Subcooling heat exchanger liquid pipe thermistor abnormality 261 J8 l Heat exchanger liquid pipe thermistor abnormality 261...

Страница 198: ...U9 l Other indoor units and outdoor unit abnormality 316 UA l Improper combination of indoor unit and outdoor unit indoor unit and remote controller 317 UC k Address duplication of centralized control...

Страница 199: ...r in the capacity setting of the indoor unit PCB AJ 02 Electronic expansion valve setting error There is a fault in the setting of the gear type electronic expansion valve direct acting type electroni...

Страница 200: ...pipe high temperature error Refer to the F3 flowchart and make a diagnosis based on the Error code shown to the left F3 20 Compressor body temperature error F3 23 Overload protector activated Q1M F4...

Страница 201: ...art and make a diagnosis based on the Error code shown to the left L4 06 Radiation fin temperature rise Inverter fan M1F L5 03 Current offset error Refer to the L5 flowchart and make a diagnosis based...

Страница 202: ...rant auto charge 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...

Страница 203: ...nal 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 in...

Страница 204: ...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 205: ...ors 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 connector or flo...

Страница 206: ...pump or check for dirt etc YES YES NO NO The 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 minut...

Страница 207: ...ase 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 the...

Страница 208: ...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 209: ...or from 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 rotation speed is less...

Страница 210: ...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 211: ...fan motor and check the resistance Theresistance amongU V andWareunbalanced orbelow1 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 PC...

Страница 212: ...gn 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 wait for 10 m...

Страница 213: ...iagnosis 207 1 Check also if the relay connector between the indoor unit control PCB and the fan motor are correctly connected YES Replace the fan motor M1F Replace the indoor unit control PCB A1P The...

Страница 214: ...on on signal line 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 swit...

Страница 215: ...s 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 drop is detected on...

Страница 216: ...rly 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 bloc...

Страница 217: ...ture of liquid pipe of heat exchanger R2T shows fixed degrees or below Supposed Causes Defective electronic expansion valve coil Defective indoor unit control PCB Defective relay cables Troubleshootin...

Страница 218: ...pressor 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 Defective in...

Страница 219: ...ion 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 Troubles...

Страница 220: ...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 221: ...ion 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 Suppos...

Страница 222: ...hort 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 conn...

Страница 223: ...ction 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 YE...

Страница 224: ...e 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 225: ...connected 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 displayed...

Страница 226: ...d thermistor CHECK 11 Refer to page 350 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 PC...

Страница 227: ...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 228: ...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 establ...

Страница 229: ...f 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 mo...

Страница 230: ...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 231: ...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 232: ...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 233: ...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 234: ...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 235: ...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 4...

Страница 236: ...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 237: ...eshooting 1 M1C 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 tem...

Страница 238: ...ning ON the power supply Supposed Causes Disconnection of connector X101A Wiring disconnection Defective outdoor unit main PCB Troubleshooting NO YES Is the system reset to normal Is X101A connected T...

Страница 239: ...lace the high pressure sensor S1NPH 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 pressure gauge o...

Страница 240: ...ressure sensor is normal and outdoor unit main PCB is also normal The high pressure has really become high Eliminate factors that cause the high pressure to rise CHECK 1 Are both pressure values the s...

Страница 241: ...of Error Detection Make judgment of pressure detected by the low pressure sensor with the outdoor unit main PCB Error Decision Conditions When low pressure caused a drop while the compressor is in ope...

Страница 242: ...ower switch before connecting or disconnecting connectors or parts may be damaged Eliminate factors that cause the low pressure to decrease CHECK 12 1 Use the table on CHECK 12 to convert the voltage...

Страница 243: ...ock High differential pressure 0 5 MPa or more UVW connection error Defective inverter circuit The stop valve is not opened Troubleshooting Make proper wire connections Make proper wire connections NO...

Страница 244: ...ON Power OFF Pressure equalization failure Check for the refrigerant system Quit work Pressure equalization failure may have occurred Check for the refrigerant system YES YES NO Replace the relevant P...

Страница 245: ...e sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 1 Mount a pressure gauge on the high and low pressure service ports 2 Reset the power supply a...

Страница 246: ...and CHECK 5 CHECK 3 Refer to page 339 CHECK 4 Refer to page 340 CHECK 5 Refer to page 344 CHECK 12 Refer to page 353 Replace the inverter PCB A3P Replace the compressor YES CHECK 4 Is the power trans...

Страница 247: ...ted by Hall IC during the fan motor operation Error Decision Conditions In the condition of fan motor rotation the number of rotation is below the fixed number for more than 6 seconds System down is c...

Страница 248: ...ctor disconnect Are there any obstacles around the fan Is pin to pin resistance greater than the threshold value Is fuse F6U blown Is fuse F6U blown Do the fan blades spin smoothly by hand after disco...

Страница 249: ...C during the fan motor runs Error Decision Conditions When overcurrent is detected Detecting overcurrent 4 times will shut down the system When the fan revolutions fall below a given level for a perio...

Страница 250: ...t the connector YES NO NO Replace the relevant PCB 2 YES Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged A Check for Connection of Co...

Страница 251: ...ace the outdoor main PCB A1P NO The HAP lamp on A1P blinks Turn ON the power supply to check for the HAP lamp on the outdoor main PCB A1P Replace the fan motor M1F YES A NO Replace the fan motor M1F Y...

Страница 252: ...PCB Fan does not rotate due to foreign matter caught in it Clearing condition Fan motor performs normal operation for a period of 5 minutes Troubleshooting Remove the foreign matter Correct the conne...

Страница 253: ...the power supply to check the following LED lamps 1 HAP lamp on the inverter PCB A3P 2 HAP lamp on the fan PCB A4P A The HAP lamp on the A3P blinks but the lamp on the A4P does not Resistance between...

Страница 254: ...358 Turn OFF the power supply once and then turn it ON again Return to normal Investigate external causes other than failures e g noise Replace the outdoor unit main PCB A1P YES NO Connector for the...

Страница 255: ...scharge pipe thermistor R2T Disconnection of discharge pipe thermistor R2T Defective outdoor unit main PCB Troubleshooting CHECK 11 Refer to page 350 Be sure to turn off the power switch before connec...

Страница 256: ...mperature detected with the discharge pipe or compressor body thermistor Error Decision Conditions When discharge pipe temperature becomes abnormally high i e 135 C or more When discharge pipe tempera...

Страница 257: ...e pipe temperature measured by the Service Checker and the measurement of discharge pipe surface temperature Connect the Service Checker Reset the system operation and then restart it Are the characte...

Страница 258: ...compressor body thermistor Defective outdoor unit main PCB Troubleshooting 1 Use a surface thermistor to measure the actual temperature Refer to CHECK 11 for temperature and resistance properties of t...

Страница 259: ...ion Conditions When the outdoor unit is in wet state for consecutive A minutes an alarm will be issued and if the wet state continues for consecutive B minutes an error is confirmed When some of the i...

Страница 260: ...the indoor units NO YES NO Replace the indoor electronic expansion valve Replace the suction pipe thermistor YES YES Caution Be sure to turn off the power switch before connecting or disconnecting co...

Страница 261: ...the thermistor temperatures during test operation exceeds the regular charge amount by 30 or more However even if refrigerant is charged slightly over the regular charge amount F6 may be displayed on...

Страница 262: ...ns When normal transmission between PCBs is disabled during the compressor stops running Supposed Causes Defective connection of harnesses between PCBs Defective outdoor unit main PCB Defective invert...

Страница 263: ...sor OL Error Decision Conditions If the error occurs the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe...

Страница 264: ...Nearly 0 Nearly 0 Insert the thermistor in position Replace the discharge pipe thermistor Replace the outdoor unit main PCB A1P Discharge pipe thermistor disconnected CHECK 11 Check the discharge pipe...

Страница 265: ...an motor connection cable Defective outdoor unit main PCB Troubleshooting CHECK 17 Refer to page 357 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts...

Страница 266: ...he current sensor is abnormal Supposed Causes Disconnection Short circuit in fan motor leads or disconnection of connector Defective fan PCB Troubleshooting Replace the fan motor M1F NO YES Replace th...

Страница 267: ...es 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 co...

Страница 268: ...Outdoor air thermistor R1T X11A R1T X18A R1T X18A J3 Discharge pipe thermistor R2T X12A Group connector R21T X19A R21T X29A Group connector Compressor body thermistor R8T J5 Suction pipe thermistor R...

Страница 269: ...page 353 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 270: ...page 353 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 271: ...tected based on the current value during waveform output before starting compressor Error is detected based on the value from current sensor during synchronous operation when starting the unit Error D...

Страница 272: ...ay be damaged Caution Does the power supply normally come back on Is the insulation to ground resistance of the compressor 100 k or more The error could have resulted from external factors other than...

Страница 273: ...ion 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 disconnection of con...

Страница 274: ...bleshooting Defective radiation from the power unit Blocked air suction port Stained radiation fin High outdoor air temperature Connect the connector correctly Eliminate P4 error Keep operating Replac...

Страница 275: ...valve Troubleshooting Subcode L4 01 Defective radiation from the power unit Blocked air suction port Stained radiation fin High outdoor air temperature Connect the connector correctly Eliminate P4 er...

Страница 276: ...ctor Heat sink radiation fin temperature may have risen due to high outdoor air temperature NO Replace the relevant PCB 2 YES Turn ON the power supply Does the error recur when operation starts Check...

Страница 277: ...not fixed with fixing screws U0 error Defective inverter PCB Outdoor temperature too high Troubleshooting NO Is it normal Resolve the error YES YES NO Replace the inverter PCB A3P Keep operating Poss...

Страница 278: ...in PCB 4 5 HP Defective inverter PCB 10 12 HP Troubleshooting 1 RXQ4 5AR outdoor unit main PCB A1P RXMQ10 12AR inverter PCB A3P CHECK 4 Refer to page 340 YES YES NO NO YES NO NO Check if the power tra...

Страница 279: ...insulation failure Compressor startup failure mechanical lock Defective outdoor unit main PCB RXMQ6AR Defective inverter PCB RXMQ8AR Troubleshooting Compressor model A A 2Y350APAX2N 48 1 2Y420AVAY1N...

Страница 280: ...sor M1C NO YES Replace the inverter PCB A3P Restarting the system results in the recurrence of the error Continue operation The error could have resulted from causes such as instantaneous power failur...

Страница 281: ...ressor Troubleshooting 1 RXQ4 5AR outdoor unit main PCB A1P RXMQ10 12AR inverter PCB A3P CHECK 4 Refer to page 340 NO YES YES NO Check if the compressor lead wires are normal Insulation resistance of...

Страница 282: ...mpressor overloaded Wiring disconnection in compressor coil Disconnection of compressor wiring Defective outdoor unit main PCB RXMQ6AR Defective inverter PCB RXMQ8AR Troubleshooting Compressor model A...

Страница 283: ...or coil is defective Replace the compressor M1C YES NO Replace the relevant PCB 1 NO Power OFF CHECK 4 Is the power transistor normal YES The difference between high and low pressure before restarting...

Страница 284: ...power switch before connecting or disconnecting connectors or parts may be damaged NO NO NO YES YES YES Does L9 blink after reconnecting to the power When operation starts is the high and low pressure...

Страница 285: ...AR Troubleshooting YES NO NO Apply power and then restart operation NO Are the leads of the compressor disconnected Connect the leads of the compressor YES Is the insulation resistance of the compress...

Страница 286: ...nt PCB 1 NO YES NO The internal wiring of the compressor coil is defective Replace the compressor M1C YES Is the insulation resistance of the compressor 100 k or more Refrigerant is stagnated The unit...

Страница 287: ...CB Defective outdoor unit main PCB transmission block Defective noise filter External factors e g noise Defective compressor Defective fan motor Troubleshooting RXQ4 5AR Caution Be sure to turn off th...

Страница 288: ...or unit main PCB A1P NO YES The microcomputer normal monitor green on the outdoor unit main PCB A1P is blinking NO Replace the outdoor unit main PCB A1P YES Continue operation The error could have res...

Страница 289: ...CB Defective outdoor unit main PCB transmission block Defective noise filter External factors e g noise Defective compressor Defective fan motor Troubleshooting Does the inverter PCB part No match tha...

Страница 290: ...rely connected Replace the fan PCB 3 NO YES The service monitor green on the fan PCB 3 is blinking NO Replace the outdoor unit main PCB A1P YES Continue operation The error could have resulted from ca...

Страница 291: ...or errors Error Decision Conditions The voltage waveform fluctuates greatly Supposed Causes Defective main circuit capacitor Incorrect main circuit wiring Defective outdoor unit main PCB Troubleshooti...

Страница 292: ...ter PCB Error Decision Conditions Power supply voltage imbalance exceeds certain value RXMQ8AR approximately 12 V RXMQ10 12AR approximately 6 V Error is not decided while the unit operation is continu...

Страница 293: ...f Inspection Results to user to ask him her to rectify the imbalance Be sure to explain user that power supply voltage imbalance will occur and Daikin accepts no responsibility for the imbalance Recor...

Страница 294: ...s wiring disconnection or short circuit in it Supposed Causes Defective connection of thermistor Defective reactor surface thermistor Defective inverter PCB Troubleshooting Make measurement of resista...

Страница 295: ...in 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 circuit Error is not decided while the un...

Страница 296: ...M1C Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged The insulation resistance of the fan motor is less than 1 M Turn ON the power sup...

Страница 297: ...ect Supposed Causes Inconsistent PCB type Wrong field setting Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged YES YES...

Страница 298: ...door unit main PCB YES NO YES NO Replace with a correct outdoor unit main PCB A1P Properly make DIP switch setting After completion of setting reset the power supply Replace the outdoor unit main PCB...

Страница 299: ...onducted based on the discharge pipe thermistor temperature and the low pressure saturated temperature Error Decision Conditions Microcomputer is used to determine and check for system refrigerant sho...

Страница 300: ...outdoor heat exchanger greater than 20 C Is the resistance measured from suction pipe thermistor disconnected from the outdoor unit main PCB normal Is the voltage between X18A pins 2 and 3 of outdoor...

Страница 301: ...efer to page 338 CHECK 3 Refer to page 339 CHECK 7 Refer to page 346 Replace the thermistor R3T NO Replace the outdoor unit main PCB A1P YES YES Are the characteristics of the suction pipe thermistor...

Страница 302: ...PCB A1P Troubleshooting 1 Check the low pressure value by using pressure gauge in operation 2 Compare the actual measurement value by pressure sensor with the value by the pressure gauge CHECK 2 Refer...

Страница 303: ...ase 4 wires is properly 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 betw...

Страница 304: ...ed Causes Power supply reverse phase Power supply T phase open phase Defective outdoor unit PCB Troubleshooting Is there an open phase at the power supply terminal X1M T phase of the outdoor unit Oper...

Страница 305: ...e Models RXQ4 5AR Error Code U2 Method of Error Detection The main circuit capacitor voltage of the inverter and the power supply voltage is checked Error Decision Conditions The main circuit capacito...

Страница 306: ...transistor failing Measure voltage between and of the electrolytic capacitor C C when the compressor is operating Calibrate the power voltage Replace the fan motor M1F Monitor voltage Instantaneous vo...

Страница 307: ...mal power supply voltage Instantaneous power failure Open phase Defective inverter PCB RXMQ8AR Defective outdoor unit main PCB Defective compressor Defective main circuit wiring Defective fan motor De...

Страница 308: ...tton Replace the outdoor unit main PCB A1P If the outdoor unit main PCB gets severely damaged the compressor and the fan motor may have been damaged Replace the outdoor unit main PCB A1P If the outdoo...

Страница 309: ...s maintained within 12 V NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged The inverter PCB has damage NO YES Replace the inverter P...

Страница 310: ...dby mode before completing the startup operation of the compressor The error U2 recurs NO YES NO YES NO YES Replace the inverter PCB A3P Check for wirings Turn ON the power supply and then press the O...

Страница 311: ...unit main PCB Defective main circuit wiring Defective compressor Defective fan motor Defective connection of signal cable Troubleshooting Caution Be sure to turn off the power switch before connectin...

Страница 312: ...all the wiring Keep operating Possibly caused by external factors such as sudden power failure A Turn on the operating switch after turning on the power NO YES If inverter PCB is seriously damaged the...

Страница 313: ...decided when the unit starts operation without check operation Supposed Causes Check operation not executed Troubleshooting RXQ4 5AR Press the TEST BS4 button on master outdoor unit main PCB A1P for...

Страница 314: ...operation U3 04 Conduct the test operation due to the premature end of the test operation U3 05 Conduct the test operation due to the premature end of the test operation U3 06 Check for transmission b...

Страница 315: ...n is interrupted Check the transmission conditions between the indoor units and the outdoor units before performing a test operation Check the transmission conditions between the indoor units and the...

Страница 316: ...dress does not match Defective indoor unit PCB Defective outdoor unit main PCB Troubleshooting RXQ4 5AR Be sure to turn off the power switch before connecting or disconnecting connectors or parts may...

Страница 317: ...e the PCB Replace the fuse Replace the outdoor unit main PCB A1P YES NO NO Replace the outdoor unit main PCB A1P YES Operation ready lamp H2P is blinking Lamp does not go off for 12 minutes or more O...

Страница 318: ...ced or has the indoor outdoor transmission wiring been modified U4 01 1 OFF ON BLINK SEG1 SEG2 SEG3 1 2 Correct the voltage Replace the fuse Modify the transmission wirings Press and hold RETURN BS3 o...

Страница 319: ...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 MO...

Страница 320: ...e 43 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 pow...

Страница 321: ...between main and sub remote controller Connection between sub remote controllers Defective remote controller PCB Troubleshooting Refer to page 43 for Main Sub setting Main Sub setting of both remote...

Страница 322: ...its 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 323: ...refrigerant between indoor and outdoor units The number of indoor units connected is out of the allowable range Error Decision Conditions The error decision is made as soon as either of the abnormali...

Страница 324: ...type of the indoor unit and outdoor unit matched Is the total number of indoor units displaying UA and indoor units connectable to the same refrigerant system within the permitted limit Press the RESE...

Страница 325: ...or code Sub code Error code Sub code Error code Sub code UA 18 UA 21 NO YES The number of indoor units connected to the same system is less than 64 Replace the outdoor unit main PCB A1P NO YES Check i...

Страница 326: ...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 contro...

Страница 327: ...crocomputer checks 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 Cau...

Страница 328: ...ontrol group 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...

Страница 329: ...Replace the centralized controller Centralized controller Normal OK Correct the wiring NG A NO Correct the wiring NG YES YES Disconnect the transmission wiring of the main centralized controller and...

Страница 330: ...the check operation Supposed Causes Improper connection of transmission wiring between indoor outdoor units Failure to execute check operation Defective indoor unit PCB Stop valve is not opened Troubl...

Страница 331: ...ower switch before connecting or disconnecting connectors or parts may be damaged Caution Is indoor outdoor unit transmission wiring normal Is indoor outdoor unit transmission wiring normal Be sure to...

Страница 332: ...efective outdoor unit main PCB Troubleshooting 1 RXQ4 5AR RESET BS5 RXMQ6 12AR RETURN BS3 Is electricity being introduced for the first time after installation or after an indoor or outdoor unit main...

Страница 333: ...positive polarity and negative polarity Supposed Causes Defective centralized controller PCB Defective intelligent touch controller PCB Defective schedule timer PCB Troubleshooting YES NO Is M1 displ...

Страница 334: ...the intelligent touch controller YES YES S E Y O N Is there any display on the LCD screen NO Set the reset switch inside the unit and SS1 to the normal position Replace the centralized controller Cor...

Страница 335: ...and then reset all the centralized controllers Integrate one unit for the centralized controller connected with the connector and then reset all the centralized controllers Disconnect the setting conn...

Страница 336: ...set the power supply of all the centralized controllers Replace the centralized controller NO YES S E Y S E Y Is MC displayed again Master slave Setting Table YES NO Centralized controller Normal CHEC...

Страница 337: ...ive indoor unit PCB Defective air conditioner Troubleshooting NO YES NO NO YES YES YES Perform troubleshooting using the air conditioner troubleshooting Concurrently reset the power supply of all the...

Страница 338: ...g ON OFF controller Connect the connector correctly Replace the centralized controller PCB Are all the indoor units experiencing transmission failure Does the indoor unit on which the error occurred s...

Страница 339: ...ion Conditions The previously connected centralized controller is not responding Control range duplication There are multiple main centralized controllers There are other centralized controllers but t...

Страница 340: ...trollers or the schedule timers Go to the next page A Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Are any connected centralized c...

Страница 341: ...all the centralized controllers If after this the error is resolved the centralized controller connected with the setting connector is faulty Replace the controller Not available for combined use of s...

Страница 342: ...ge setting switch set incorrectly Wiring connection error Troubleshooting NO YES NO YES YES NO Use the remote controller to set the centralized control address for all the indoor units connected with...

Страница 343: ...cal characteristics normal Is the pressure value checked with the Service Checker corresponding to the measurement of the pressure sensor Defective high pressure control In cooling High suction air te...

Страница 344: ...r resistance 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 indoo...

Страница 345: ...clogging Defective solenoid valve coil Defective solenoid valve body Defective outdoor unit main PCB Subcooling electronic expansion valve failure Control failure Defective valve coil Defective valve...

Страница 346: ...he outdoor fan to rotate the capacitor may store electricity Therefore make sure that the fan is still and then pull out the outdoor fan motor connector 5 Disconnect the relay connector X502A between...

Страница 347: ...capacitor may store electricity Therefore make sure that the fan is still and then pull out the outdoor fan motor connector 5 Disconnect the connection wire between the power transistor and the compre...

Страница 348: ...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 Criteria Remarks 1 P2 U 2...

Страница 349: ...SiAF332111E Check Part 6 Service Diagnosis 343 PCB and Circuit Diagram U V W L3B L2B L1B P1 P2 N32...

Страница 350: ...ling Indoor unit electronic expansion valve opens too much 1 Defective control of superheating degree Defective indoor unit electronic expansion valve Defective control Defective valve coil Defective...

Страница 351: ...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 352: ...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 353: ...of 100 7 kPaG 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 refrigeran...

Страница 354: ...ore while in operation Defective fan Running in overload for an extended period of time Defective inverter PCB L9 Defective startup of compressor The compressor motor fails to start up Liquid sealing...

Страница 355: ...or a period of consecutive 260 seconds Defective startup of compressor Compressor stops running immediately after it starts up Defective radiation inverter Low voltage part High voltage part Power tra...

Страница 356: ...RXQ5AR RXMQ6 8AR RXMQ10 12AR Symbol Type Symbol Type Symbol Type Symbol Type Outdoor air thermistor R1T E R1T E R1T E R1T E Discharge pipe thermistor R2T G R2T G R21T H R21T H Suction pipe thermistor...

Страница 357: ...25 02 25 23 24 29 25 19 94 20 0000 20 00 20 19 19 41 30 16 04 16 1008 16 10 16 26 15 61 35 12 99 13 0426 13 04 13 17 12 64 40 10 58 10 6281 10 63 10 74 10 30 45 8 669 8 7097 8 711 8 806 8 439 50 7 14...

Страница 358: ...13 16 12 65 40 118 7 109 4 10 73 10 31 45 96 13 89 58 8 800 8 447 50 78 29 73 73 7 255 6 962 55 64 10 60 98 6 012 5 769 60 52 76 50 67 5 010 4 805 65 43 63 42 29 4 196 4 021 70 36 26 35 45 3 532 3 381...

Страница 359: ...1 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 Volta...

Страница 360: ...vailable for combined use 2 The intelligent Touch Controller central remote controller and the unified ON OFF controller have been set to Provided with the master unit centralized setting connector at...

Страница 361: ...in it If there is no continuity the transmission wiring may have broken wires With the indoor outdoor unit terminal of outdoor unit short circuited identify the areas with continuity in the transmiss...

Страница 362: ...to check 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 c...

Страница 363: ...Unit Resistance measuring points and judgment criteria FXMQ40PB FXAQ P FXMQ50 140PB Measurement of signal wire connector Remove the X2A connector and measure the resistance between GND and Vcc Hw Hv o...

Страница 364: ...MQ10 12AR Indoor unit FXFSQ AR FXMQ PB Measuring points 1 6 2 6 3 6 4 6 Judgment criteria White 1 Yellow 2 Orange 3 Blue 4 5 Red 6 X22A Y2E for 6 HP 35 55 Orange 1 Red 2 Yellow 3 Black 4 5 COM Gray 6...

Страница 365: ...asuring points 1 2 1 3 1 6 2 4 2 6 Judgment criteria No continuity 300 150 300 150 Blue 4 5 Orange 3 2 Yellow 6 Red 1 White White 1 Red 5 Orange 3 1 3 Yellow 2 Brown 6 Blue 4 2 4 M 1 White 2 Yellow 3...

Страница 366: ...SiAF332111E 360 Part 7 Appendix 1 Wiring Diagrams 361 1 1 Outdoor Unit 361 1 2 VRV Indoor Unit 366 Part 7 Appendix...

Страница 367: ...7 32 5 02 7 50 1 675 3 32 5 6833 7 50 1 675 3 21752 62 12 9 9 27 6 3 66 3 3 62 12 9 9 723 27720 5 8 7 12 6 7 5 55 7 25 12 6 7 5 7 685 625 5 5 72 5 211 725 0 5 72 5 211 725 6 13 5 72 5 211 725 6 13 a...

Страница 368: ...19 3 27 03 6 59 021 725 5 1 0 0 1 7 217 725 5 0 1 7 5 6 5 0 1 7 5 5 0 1 7 5 5 5 725 0 02725 2035 6625 0 02725 1 36 32 5 6833 5 5 6 6725 5 5 6 6725 5 7 7 50 6725 5 5 7 7 50 6725 0 6 5 5 7 7 50 6725 68...

Страница 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...

Страница 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...

Страница 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...

Страница 372: ...ng Diagrams SiAF332111E 366 Part 7 Appendix 1 2 VRV Indoor Unit 1 2 1 Round Flow Cassette with Sensing FXFSQ25 32 40 50 63 80 100 125 140ARV1 3D121473A 64 59 3D121473 1A 64 59 64 59 02 1 0 32 5 6833 9...

Страница 373: ...SiAF332111E Wiring Diagrams Part 7 Appendix 367 1 2 2 Auto Grille Panel BYCQ125EBSF Auto Grille Panel for FXFSQ AR 3D130909...

Страница 374: ...Wiring Diagrams SiAF332111E 368 Part 7 Appendix 1 2 3 Middle high Static Pressure Duct FXMQ40 50 63 80 100 125 140PBV1 3D110450B...

Страница 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...

Страница 376: ...Wiring Diagrams SiAF332111E 370 Part 7 Appendix 1 2 4 Wall Mounted FXAQ20 25 32PVE FXAQ40 50 63PVER1 C 3D076498B...

Страница 377: ...ct will be used This statement does not purport to exclude restrict or modify the application of any local legislation z Ask a qualified installer or contractor to install this product Do not try to i...

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