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Troubleshooting

SiE 00-07

138

Troubleshooting R-407C PLUS Series

3.16

Outdoor Unit: Actuation of Low Pressure Sensor

Remote Controller
Display

Supposed Causes

Abnormal drop of low pressure (0 kg/cm

[0 MPa])

Defect of low pressure sensor

Defect of outdoor unit PC board

Troubleshooting

∗

1: Voltage measurement point

∗

2: Refer to pressure sensor, pressure / voltage characteristics table on P204.

(VF042)

Low pressure

at stop due to malfunction is

0.0 MPa.

Measure

the voltage (VL)

of X21A pin No. (2) - (3)

of outdoor PC board (A1P).

∗

Is the relationship

between low voltage

and VL

normal?

Out of gas, refrigerant system clogging,
wiring and piping wrong connection.

Replace the low pressure sensor.

Replace outdoor unit PC board A1P.

YES

Содержание VRV R-407C PLUS Series

Страница 1: ...System R 407C PLUS Series Service Manual SiE 00 07...

Страница 2: ...perating Mode 35 2 List of Safty Device and Function Parts Setting Value 39 2 1 Outdoor Unit 39 2 2 Indoor Unit 40 3 Outline of Control Outdoor Unit 43 3 1 Compressor PI Control 43 3 2 Motorized Valve...

Страница 3: ...utton 116 2 2 Self diagnosis by Wired Remote Controller 117 2 3 Self diagnosis by Wireless Remote Controller 118 2 4 Operation of The Remote Controller s Inspection Test Operation Button 122 2 5 Remot...

Страница 4: ...utdoor Units in the Same System 153 3 32 Excessive Number of Indoor Units 154 3 33 Address Duplication of Central Remote Controller 155 3 34 Refrigerant System not Set Incompatible Wiring Piping 155 3...

Страница 5: ...st Computer Integrate Control Blinks Repeats Double Blink 178 Part 6 Special Service Mode R 407C PLUS Series 179 1 Backup and Emergency Operation 180 1 1 Backup and Emergency Operation 180 2 Pump Down...

Страница 6: ...lug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipmen...

Страница 7: ...ls can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipme...

Страница 8: ...r be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is neces...

Страница 9: ...insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Cautio...

Страница 10: ...ir conditioning needs We are confident that customers will be able to find the models that best suit their needs This service manual contains information regarding the servicing of the R 407C VRV PLUS...

Страница 11: ...Introduction SiE 00 07 x...

Страница 12: ...formation R 407C PLUS Series 1 Part 1 General Information R 407C PLUS Series 1 Product Outline 2 1 1 Year 2000 Models Using New Refrigerant 2 1 2 Outline of New Series Products 3 1 3 Model Configurati...

Страница 13: ...me 16 18 20 24 26 28 30 R 407C VRV PLUS series New model Model change Continued model Type P20 Type P25 Type P32 Type P40 Type P50 Type P63 Type P80 Type P100 Type P125 Type P200 Type P250 Ceiling mou...

Страница 14: ...the surface of the earth Methane chlorofluorocarbons and dinitrogen monoxide have similar characteristics When the amounts of these gases in the atmosphere increase heat that normally escapes through...

Страница 15: ...e low noise mode for reduced operating sound Option pcb DTA104A61 62 is required 20HP 30HP Pipe connecting locations 14 joints 6 joints 20 joints 6 joints 20HP 30HP Conventional system Function unit l...

Страница 16: ...oor units 200 520 225 585 250 650 300 780 Standard series Equivalent output 26HP 28HP 30HP R 407C VRV PLUS series system model RSXYP26KJ RSXYP28KJ RSXYP30KJ Outdoor unit combination Main unit RXYP16KJ...

Страница 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series...

Страница 18: ...SiE 00 07 Specifications R 407C PLUS Series 7 Part 2 Specifications R 407C PLUS Series 1 Specifications 8 1 1 Outdoor Unit 8 1 2 Indoor Unit 12...

Страница 19: ...Motor Output Number of Units kW 0 14 0 23 0 14 0 23 0 14 0 23 0 14 0 23 Air Flow Rate m min 320 320 Drive Direct drive Direct drive Connecting Pipes Outdoor Unit Liquid pipe 15 9 C1220T Flare connecti...

Страница 20: ...umber of Units kW 0 14 0 23 0 14 0 23 0 14 0 23 2 0 14 0 23 Air Flow Rate m min 340 490 Drive Direct drive Direct drive Connecting Pipes Outdoor Unit Liquid pipe 19 1 C1220T Flare connection 19 1 C122...

Страница 21: ...umber of Units kW 0 14 0 23 2 0 14 0 23 0 14 0 23 2 0 14 0 23 Air Flow Rate m min 510 490 Drive Direct drive Direct drive Connecting Pipes Outdoor Unit Liquid pipe 22 2 C1220T Brazing connection 22 2...

Страница 22: ...t Number of Units kW 5 5 7 5 7 5 Starting Method Direct on line Fan Model P52H11S Type Propellor fan Motor Output Number of Units kW 0 14 0 23 2 0 14 0 23 Air Flow Rate m min 510 Drive Direct drive Co...

Страница 23: ...sulation Material Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Piping Connections Liquid...

Страница 24: ...ostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyren...

Страница 25: ...s Wool Urethane Foam Glass Wool Urethane Foam Piping Connections Liquid Pipes 6 4mm Flare Connection 6 4mm Flare Connection 6 4mm Flare Connection 6 4mm Flare Connection Gas Pipes 12 7mm Flare Connect...

Страница 26: ...l Urethane Foam Glass Wool Urethane Foam Piping Connections Liquid Pipes 9 5mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection Gas Pipes 15 9mm Flare Connection 1...

Страница 27: ...Pipes 12 7mm Flare Connection 12 7mm Flare Connection 12 7mm Flare Connection 15 9mm Flare Connection Drain Pipe mm VP25 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 25 VP25 Exter...

Страница 28: ...8 39 20 88 39 20 Drive Direct Drive Direct Drive Direct Drive Temperature Regulator Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor T...

Страница 29: ...29 4 88 49 20 4 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Ther...

Страница 30: ...Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heati...

Страница 31: ...an Motor Output Number of Units W 100 100 160 270 Air Flow Rate H L m min 14 11 5 14 11 5 19 5 16 29 23 4 External Static Pressure Pa 157 118 157 118 157 108 157 98 Drive Direct Drive Direct Drive Dir...

Страница 32: ...4G2AD1 2 Type Sirocco Fan Sirocco Fan Sirocco Fan Sirocco Fan Motor Output Number of Units W 270 430 380 2 380 2 Air Flow Rate H L m min 29 23 36 29 58 50 72 62 External Static Pressure Pa 157 98 4 1...

Страница 33: ...r Supply 1 phase 50Hz 230V 1 Cooling Capacity kW 2 2 2 8 2 Heating Capacity kW 2 5 3 2 Nominal Input Cooling Heating W 50 Dimensions H W D mm 230 652 502 Coil Cross Fin Coil Rows Stages Fin Pitch mm 2...

Страница 34: ...Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insula...

Страница 35: ...Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foame...

Страница 36: ...r Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene...

Страница 37: ...H L m min 7 6 7 6 8 6 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocess...

Страница 38: ...L m min 11 8 5 14 11 16 12 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Micropr...

Страница 39: ...Flow Rate H L m min 7 6 7 6 8 6 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Mi...

Страница 40: ...ow Rate H L m min 11 8 5 14 11 16 12 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heatin...

Страница 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series...

Страница 42: ...ol 45 3 5 Compressor Capacity Control 47 3 6 Demand Control 49 3 7 Restart Standby 50 3 8 Startup Control 51 3 9 Oil Equalization Operation 52 3 10 Oil Return Operation 53 3 11 Low Pressure Protection...

Страница 43: ...n Provides PI control for compressors by detecting high pressure Cooling operation Controls compressors to ensure sufficient high pressure when outside temperature is low T Low pressure sensor SENPL C...

Страница 44: ...SiE 00 07 Outdoor Unit Refrigerant System Diagram Function R 407C PLUS Series 33 RSXYP16 18 20KJY1 Y2E Y1E K X Y J 2 S N Q M 8 9 1 U 5 A V 6 B P 11 T O 4 3D024909 SPH SPL...

Страница 45: ...Outdoor Unit Refrigerant System Diagram SiE 00 07 34 Function R 407C PLUS Series RSXYP24 26 28 30KJY1 Y3E Y1E Y2E L Y X J K Q 2 4 10 8 9 M V 6 B 5 U N T 11 A O W 7 C R P S 1 3 3D024910...

Страница 46: ...n Heat exchanger Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter OIL OIL OIL Fan ON Fan OFF ON Fan ON ON OFF Unit opration V0910...

Страница 47: ...door unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter OIL OIL OIL Fan ON Fan OFF ON Fan ON ON OFF Unit opration V0911 High pressure high tem...

Страница 48: ...Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter OIL OIL OIL Fan ON Fan ON ON Fan ON ON OFF Unit opration V0912 High pressure hig...

Страница 49: ...n Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter Heat exchanger Fan Indoor unit Filter Filter OIL OIL OIL Fan OFF Fan OFF Fan OFF ON ON OFF Unit opration V0913 High pressure hi...

Страница 50: ...Electronic Expansion Valve Y1 2E During cooling operating 2000pls Stop 0pls Fully closed During heating operating PI control Stop 0pls Fully closed Y3E During cooling operating 2000pls Stop 0pls Full...

Страница 51: ...ed Remote Controller BRC1A51 Option Wireless Remote Controller BRC7C62 67 Option Motors Fan Motor M1F AC 220 240V 50Hz 1 10W 1 15W 1 20W 1 30W 1 50W 1 85W Thermal Fuse 152 C Thermal protector 135 C OF...

Страница 52: ...oller BRC1A52 Option Motors Fan Motor M1F AC 220 240V 50Hz 1 100W 1 160W 1 270W 1 430W 1 380W 2 Thermal protector 135 C OFF 87 C ON Capacitor for Fan Motor C1R 6 F 400V 10 F 400V 10 F 400V 12 F 400V T...

Страница 53: ...V1 Remote Controller Wired Remote Controller BRC1A52 Option Motors Fan Motor M1F AC 220 240V 50Hz 1 15W 1 25W 1 45W Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor C1R 1 2 F 400V 0 5 F 40...

Страница 54: ...tion Controls compressor capacity to adjust Te to achieve target value TeS Te setting Te Low pressure equivalent saturation temperature C TeS Target Te value Varies depending on Te setting operating f...

Страница 55: ...changer evaporator at constant during heating operation SH Th6 Te Te Low pressure equivalent saturation temperature C Th6 Accumulator outlet temperature C Superheated degree target value SHS Initial v...

Страница 56: ...s then the defrosting operation is activated 1 Outputs oil return defrost preparation signal to indoor units 2 Turns on the liquid injection solenoid valve Y3S Y4S Y6S based on Td or DSH Td Discharge...

Страница 57: ...to 2 Operate all indoor unit EV as follows 1000 pls 50 sec 0 pls 10 sec 4 way valve switching 0 pls 15 sec 5 Signal output during oil return defrosting operation preparation Defrost preparation flag 1...

Страница 58: ...Te control However decrease the target temp for 5 C HP 2 16MPa Constant Te control However decrease the target temp for 5 C HP 2 16MPa HP 2 16MPa Condition A HP 0 78 MPa Ta 5 C Outdoor air temp HP 2...

Страница 59: ...ion when outside temperature is low Th6 Te Suction pipe temperature Evaporation temperature From 24 HP model or higher the fan M12F on the inverter box side stops if operating at fan tap 3 or lower Th...

Страница 60: ...6 39Hz OFF 6 39Hz OFF OFF 7 41Hz OFF 7 41Hz OFF OFF 8 43Hz OFF 8 43Hz OFF OFF 9 46Hz OFF 9 46Hz OFF OFF 10 48Hz OFF 10 48Hz OFF OFF 11 52Hz OFF 11 52Hz OFF OFF 12 55Hz OFF 12 55Hz OFF OFF 13 58Hz OFF...

Страница 61: ...n When a STD compressor changes from OFF to ON due to the compressor PI control or others 41 Hz ON ON is fixed for 30 seconds Regarding the above operation timing the inverter compressor is set to the...

Страница 62: ...upper limit frequency Capacity reduction guideline Demand control 1 A Reduces power consumption to approx 70 Demand control 2 B Reduces power consumption to approx 40 Demand control 3 All compressors...

Страница 63: ...by Prevents compressor startup for a certain period of time once compressors stop operating in order to prevent frequent ON OFF operations of compressors When all compressors inverter compressor and S...

Страница 64: ...es of restart standby in stop mode When HP LP 0 196MPa compressor turns on V0808 Complete startup control according to 1 Startup controlling control SH according to 2 Cancellation of 0 pulse instructi...

Страница 65: ...eration preparation and for 10 minutes after the completion of defrosting operation and oil return heating operation For 24 30 class units The oil equalization operation is conducted in the following...

Страница 66: ...he electric heaters of indoor units are turned off 2 minutes prior in order to prepare for the oil return operation 3 The oil return operation is not activated for 28 minutes after the completion of t...

Страница 67: ...oor fan Indoor fan 4 way valve OR OR DSHi 20 C for 10 continuous seconds Th6 Te 15 C for 10 continuous seconds DSHi 30 Th6 Te 10 LP 0 1MPa Elapsed time of 10 minutes B ON OFF by LP Normal control Norm...

Страница 68: ...ion of oil return operation OR SH control according to 4 30 sec 52Hz OFF 2000pls 500pls OR HP LP 0 5Mpa 9 Completion condition for under preparation of heating oil return 2 Oil return operation ending...

Страница 69: ...ON LP 0 08MPa SVP for hot gas bypass OFF SVP for hot gas bypass ON OR Tes Ta 5 LP 0 20MPa 30 sec elapse OR LP 0 13MPa Ta 5 C LP 0 098MPa Ta 5 C OR LP 0 08MPa Ta 5 C LP 0 049MPa Ta 5 C Malfunction rese...

Страница 70: ...of 8 0 kW 3HP or less OR Ta 15 C Ta 15 C HP 2 26MPa HP 2 37MPa OR HP 1 70MPa Continues for 300 sec HP 1 54MPa 5 min elapsed after compressor startup 5 min elapsed after defrost completion 5 min elaps...

Страница 71: ...l Thermostat ON 2000pls Thermostat OFF 224pls Non operation unit 224pls Thermostat ON Normal control Thermostat OFF 224pls Non operation unit 224pls Thermostat ON Normal control Thermostat OFF 224pls...

Страница 72: ...pipe temperature Th3 1 Heating Preparing Oil return and defrosting operation 1 min before operation start Oil return operation defrosting operation SVTi Y3S is OFF at any case when inverter compresso...

Страница 73: ...2 90 C LP 0 07MPa V0830 OR Compressor upper limit frequency Nearest lower step listed below 71Hz ON OFF 75Hz OFF OFF 41Hz OFF OFF 41Hz OFF OFF Normal operation HTdi 110 C HTdi 115 C HTdi 130 C HTdi 10...

Страница 74: ...pper limit frequency to prevent tripping by inverter overcurrent and fin temperature increase Raising upper limit frequency for 1 step Normal operation Lowering upper limit frequency for 1 step V0832...

Страница 75: ...t from remaining in the inverter compressor Note STD compressor crankcase heater is controlled previous way ON OFF by magnetic switch Crank case heater OFF Crank case heater ON Outdoor air temp 30 C C...

Страница 76: ...ge warning In heating mode SH1 Evaporator1 outlet superheat degree 20 C Left conditions remain for 60 continuous minutes Outputs gas shortage warning U0 EV1 2000 pls full open SH2 Evaporator2 outlet s...

Страница 77: ...DSHi INV discharge pipe superheat degree Th6 Te Suction pipe temp Low pressure equivalent saturation temp Description of movement Receiver gas relief solenoid valve is open and liquid refrigerant is m...

Страница 78: ...For 3 compressor system When the STD compressor OC operates the operation continues using compressor except last started STD compressor based on remote control reset for 3 hours only When OC operates...

Страница 79: ...b Unit Master Unit Sub Unit INV INV 16 20HP 24 30HP V0846 tap 16 20HP 24 30HP M1F M2F M3F M4F M11F M12F M21F M22F M3F M4F OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF 1 L OFF OFF OFF L OFF OFF OFF OFF OFF...

Страница 80: ...uttons 4 button 1 4 given in the figure below 4 1 1 When the Float Switch is Tripped While the Cooling Thermostat is ON 1 The objective of residual operation is to completely drain any moisture adheri...

Страница 81: ...is not reset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 4 1 4 When the Float Switch is Tripped and AF is Displayed...

Страница 82: ...vailable on double flow multiflow and corner types P0 P1 P2 P4 P3 P0 P1 P2 P4 P3 P0 P0 P1 P2 P4 P4 P2 P1 P0 P4 P4 P3 P2 P1 P0 P3 Existing position Draft prevention position Standard Setting position C...

Страница 83: ...the preset temperature Ex When cooling Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 30 C A F This example also assumes there are sev...

Страница 84: ...roller can be used so that suction temperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed...

Страница 85: ...oo low the unit enters freeze prevention operation in accordance with the following conditions and is also set in accordance with the conditions given below Conditions for starting freeze prevention T...

Страница 86: ...3 Outdoor Unit PC Board Ass y 77 1 4 Setting Modes 79 1 5 Cool Heat Mode Selection 86 1 6 Low Noise Operation 91 1 7 Demand Control 92 1 8 Sequential Start 93 1 9 Wiring Check Operation 94 1 10 Additi...

Страница 87: ...nsmission wiring loose screws Piping size presence of thermal insulation Measurement of main power circuit insulation Addition or replenishment of refrigerant as needed Fully open respective stop valv...

Страница 88: ...Even if it s the heating season set to cooling mode in order to prevent liquid from backing up To enter the test operation mode push the inspection test operation button of the indoor unit remote cont...

Страница 89: ...run for up to 10 minutes to automatically set master power Outdoor unit Warning lamp H2P lights Test lamp H2P blinks Can also be set during operation described above Indoor unit If ON button is pushed...

Страница 90: ...SiE 00 07 Test Operation Test Operation R 407C PLUS Series 79 1 3 Outdoor Unit PC Board Ass y Outdoor Unit...

Страница 91: ...ng mode switch and LED LED 4 Function of setting between cooling and heating 5 Outdoor unit Capacity setting switch Switches for capacity setting when the outdoor unit PC board is replaced to spare pa...

Страница 92: ...Pushbutton Switches Mode Change MODE TEST C H select SEQ START L N O P IND MASTER SLAVE MODE BS1 SET BS2 RETURN BS3 WIRING CHECK BS4 RESET BS5 H1P H2P H3P H4P H5P H6P H7P IN D UNIT OUT D UNIT C H SEL...

Страница 93: ...e 2 Select items with the operation button Select setting items with the operation button Press the RETURN button Press the RETURN button Press the RETURN button Contents displayed Select cool heat ru...

Страница 94: ...l heat selection ON low noise OFF sequential start MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P SET MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P...

Страница 95: ...e Recovery Description Emergency operation when inverter type outdoor unit malfunctions Address for cool heat unified operation Address for low noise demand operation Indoor unit fan turns while unit...

Страница 96: ...6 S R R R S Refrig charge OFF Refrig charge ON Refrigerant charge while compressor and indoor unit forced operation Charge 12 S R R R S Refrig recovery OFF Refrig recovery ON Refrigerant recovery whi...

Страница 97: ...cooling High Normal factory set Low Defrost temperature setting for defrost Quick defrost Normal factory set Slow defrost EMG emergency operation when malfunction occurs ON OF Push the SET button and...

Страница 98: ...d BS units 0 63 units Lower 6 digits No 7 Number of connected zone units excluding outdoor and BS units 0 63 units Lower 6 digits No 8 Number of outdoor units 0 63 units Lower 6 digits No 9 Number of...

Страница 99: ...ance with group master outdoor unit by indoor unit remote controller 4 Setting of cool heat by outdoor unit system group in accordance with group master outdoor unit by cool heat selector Each of thes...

Страница 100: ...1 5 2 Setting of Cool Heat by Individual Outdoor Unit System by Cool Heat Selector Doesn t matter whether or not there is outdoor outdoor unit wiring Set SS1 of the outdoor unit PC board to OUT D UNIT...

Страница 101: ...factory set In setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units Set SS1 of the External...

Страница 102: ...r PCB No 0 Outdoor unit group master No 0 Outdoor unit group slave No 0 Outdoor unit group slave No 0 Cool heat group address llllll DS2 DS1 Adaptor PCB No 1 Outdoor unit group master No 1 Outdoor uni...

Страница 103: ...Test Operation SiE 00 07 92 Test Operation R 407C PLUS Series Setting Methed 1 5 3 and 1 5 4 address setting method combine lower 5 digits as binary number...

Страница 104: ...on 1 Outdoor unit field setting Setting mode 1 Set low noise operation to ON Setting mode 2 Match low noise operation and demand control address with address of outdoor unit external control adaptor 2...

Страница 105: ...on 1 Outdoor unit field setting Setting mode 1 Set low noise operation to ON Setting mode 2 Match low noise operation and demand control address with address of outdoor unit external control adaptor 2...

Страница 106: ...tart of up to 10 outdoor units If you want to carry out sequential start connect outdoor unit outdoor unit transmission wiring as shown below The outdoor unit PC board EC is factory set to sequential...

Страница 107: ...iring check operation While running TEST H2P lights and goes off when finished If TEST H2P flickers wiring check operation failure push and hold the RESET button BS5 for 5 seconds and then repeat the...

Страница 108: ...the Confirmation button is pressed during additional refrigerant charge operation the operation stops 5 Disconnect the refrigerant charge hose then fully open the liquid side stop valve In service mod...

Страница 109: ...e other unit within 10 minutes 4 Conduct refrigerant recovery 5 Cancel the setting in the setting mode or cancel the mode by conducting power reset of the outdoor unit In service mode 1 press the MODE...

Страница 110: ...e desired mode No with the button 3 During group control and you want to set by each individual indoor unit when mode No 20 21 22 23 25 has been selected push the time mode button and select the indoo...

Страница 111: ...s 27 and 28 Heat Recraim Ventilation press the button and choose the Unit No to set This step is not necessary in all group unit setting 4 Press the UP button to select a Setting Switch No 5 Press the...

Страница 112: ...first code No 4 Pushing the button select the second code No 5 Push the timer button and check the settings 6 Push the button to return to the normal mode BRC7C type 1 When in the normal mode push the...

Страница 113: ...o clean air filter calculation Set when filter sign is not to be displayed Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Indoor unit...

Страница 114: ...thermostat OFF No duct With duct Fan off Fan L Fan off Fan L 7 Centralized individual setting Centralized Individual 8 Centralized zone interlock setting No Yes Priority on Operation 9 Pre heat time...

Страница 115: ...ed for making individual setting of each unit 3 Group number setting for centralized controller 1 Mode no 00 Group controller 2 Mode no 30 Individual controller Regarding the setting procedure refer t...

Страница 116: ...ler displays only the group No within the range selected by the switch for setting each address 5 Push the timer button to define the selected group No 6 Push the button to return to the normal mode E...

Страница 117: ...ple If you have to set the address for each unit for calculating cost etc set the mode No to 30 Caution When turning the power supply on the unit may ofen not accept any operation while 88 is displayi...

Страница 118: ...le below Do not select timer operation possible by remote controller if not using a remote controller Operation by timer is impossible in this case 1 Factory setting ON by remote controller Unified ON...

Страница 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series...

Страница 120: ...nit Malfunction of Thermistor R2T for Liquid Pipe 134 3 10 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 135 3 11 Indoor Unit Malfunction of Thermistor R1T for Air Inlet 135 3 12 Indoor Unit...

Страница 121: ...unction of Transmission Between Inverter and Control PC Board 163 5 6 Power Supply Insufficient or Instantaneous Failure 164 5 7 Outdoor Unit Inverter Over Ripple Protection 165 5 8 Outdoor Unit Malfu...

Страница 122: ...F Louver M1S OFF Drain up kit M1P OFF Humidifier Hu OFF Electronic expansion valve Y1E Closed Optional auxiliary electric heater K1R OFF Depress reset Operation ON OFF switch Operation display lamp ON...

Страница 123: ...low Drain up kit M1P OFF after 5 minutes residual operation Frost prevention operation in progress Test run in progress Thermostat status Option Drain up kit M1P ON OFF Option Drain up kit M1P OFF aft...

Страница 124: ...temperature during programme dry operation Fan in operation Swing flap Air flow direction setting Swing flap Fan MF Operating at set air flow rate Electronic expansion valve Y1E closed Drain up kit M1...

Страница 125: ...ectric heater K1R ON Humidifier Hu ON Fan M1F Operating at set air flow volume Fan M1F L operation Fan M1F OFF Electronic expansion valve Y1E capacity contorol Electronic expansion valve Y1E capacity...

Страница 126: ...Troubleshooting R 407C PLUS Series 115 14 Thermostat status 15 Low discharge air temperature protection Protection is effected when the preset temperature is 24 C or lower and the opening of the elect...

Страница 127: ...st Operation button for more than 4 seconds Press Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes After 10 seconds Press Inspection Test Operation...

Страница 128: ...ps due to malfunction the remote controller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode i...

Страница 129: ...3 and 4 Carry out operation 4 until the buzzer sounds continuously When the buzzer sounds continuously The malfunction code is set Continuous There is no malfunction The upper digit of the code change...

Страница 130: ...he Unit indication lights and the Unit No display shows flashing 0 indication 2 Set the Unit No Press the UP or DOWN button and change the Unit No display until the buzzer 1 is generated from the indo...

Страница 131: ...n code confirmed 2 short beeps Upper digit matched 1 short beep Lower digit matched 5 Press the MODE selector button The right 0 lower digit indication of the malfunction code flashes 6 Malfunction co...

Страница 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121...

Страница 133: ...F H J L U Indoor unit type code Model FXYAP FXYCP FXYKP FXYFP FXYHP FXYSP FXYLP FXYMP Type VRV System Inverter K Series R407C VRV PLUS Series Display A A 1 A A 3 Outdoor model code Model RSXYP RSXYP...

Страница 134: ...nit No For group control only Select the indoor unit No to be set with the time mode For wireless remote controller button 3 Make the settings required for each mode Modes 41 44 45 In case of Mode 44...

Страница 135: ...When you want to search for the unit No By selecting the unit No with the button you can turn the fan of each indoor unit on forced ON individually 44 Individual setting Set the fan speed and air flo...

Страница 136: ...capacity determination device 134 C4 9 9 9 Malfunction of thermistor R2T for liquid pipe loose connection disconnection short circuit failure 134 C5 9 9 9 Malfunction of thermistor R3T for gas pipes l...

Страница 137: ...ilure 147 U1 9 9 9 Negative phase open phase 148 U2 9 9 9 Power supply insufficient or instantaneous failure 164 U4 9 9 9 Malfunction of transmission between indoor unit 149 U5 9 9 9 Malfunction of tr...

Страница 138: ...ional controllers for centralized control 168 172 MA 8 or 9 9 9 Improper combination of optional controllers for centralized control 169 173 MC 8 or 9 9 9 Address duplication improper setting 170 174...

Страница 139: ...unit PC board Troubleshooting VF029 Indoor unit PC board replacement Actuation of external protection device Change the second code No to 01 or 02 External protection device is connected to terminals...

Страница 140: ...Connect either a short circuit connector or float switch and turn on again YES YES YES YES Defect of indoor unit PC board Loose connection of connector NO NO NO YES YES NO NO YES NO YES NO NO The floa...

Страница 141: ...iring between fan motor and PC board Troubleshooting Connect the wiring and turn on again Fix the wiring and turn on again YES NO NO NO YES YES Replace the indoor unit PC board Replace the fan motor I...

Страница 142: ...9A and turn on again Replace indoor unit PC board NO NO YES NO YES NO YES YES NO Indoor unit is a model equipped with a swing flap function The swing motor works when the power supply is turned off an...

Страница 143: ...mal Continuity No continuity VF033 After connecting turn the power supply off and then back on Replace the moving part of the electronic expansion valve YES YES NO NO Replace the connecting cable If y...

Страница 144: ...er unit optional accessory leaking Defect of drain pipe upward slope etc Defect of indoor unit PC board Troubleshooting Defect of indoor unit PC board Modify the drain piping YES YES Check if the humi...

Страница 145: ...of indoor unit PC board Troubleshooting VF035 Install a capacity setting adaptor Replace the indoor unit PC board NO NO YES YES Replace the indoor unit PC board The indoor unit PC board was replaced w...

Страница 146: ...t of indoor unit PC board Troubleshooting VF037 Replace the indoor unit PC board Connect the thermistor and turn on again NO NO Replace the thermistor R3T YES YES Connector is connected to X11A of the...

Страница 147: ...an motor safety thermostat Defect of fan motor Defect of capacitor etc Turn power supply OFF then power ON again Is CJ displayed on the remote controller YES Replace remote controller External factor...

Страница 148: ...witch Defect of outdoor unit PC board A1P Instantaneous power failure Troubleshooting 1 Actuation of high pressure switch HPS The outdoor unit PC board s connector is disconnected Is the outdoor unit...

Страница 149: ...C board Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P204 VF042 Low pressure at stop due to malfunction is 0 0 MPa Measure the volta...

Страница 150: ...ard and check the continuity between the connector pins Normal Continuity Approx 300 Continuity Approx 150 No continuity VF043 Electronic expansion valve is connected to X12A of outdoor unit PC board...

Страница 151: ...e temperature is 135 C or higher Is there a wrong connection of the injection solenoid valves Y3S Y4S and Y5S Is there a wrong connection of the discharge pipe thermistor R3 1 11 T inverter side X16A...

Страница 152: ...Defect of outdoor unit PC board A1P Troubleshooting The alarm indicator is displayed when the fan only is being used also VF045 Resistance is normal when measured after disconnecting the thermistor R...

Страница 153: ...larm indicator is displayed when the fan is being used also Note 16 20 HP class R3 1T R3 2T A1P 24 30 HP class R3 11T R3 12T A1P R3 13T A3P VF046 Resistance is normal when measured after disconnecting...

Страница 154: ...alarm indicator is displayed when the fan is being used also Note 16 20HP class R4 1T R4 2T A1P 24 30HP class R4 11T R4 12T A1P R4 13T A3P VF047 Resistance is normal when measured after disconnecting...

Страница 155: ...larm indicator is displayed when the fan is being used also Note 16 20HP class R2 1T R2 2T A1P 24 30HP class R2 11T R2 12T A1P R2 13T A3P VF048 Resistance is normal when measured after disconnecting t...

Страница 156: ...board Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P204 VF049 The relationship between the 1 VH and high pressure is normal see 2 wh...

Страница 157: ...rd Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P204 VF050 The relationship between the 1 VH and low pressure is normal see 2 when v...

Страница 158: ...ormal when measured with the suction pipe thermistor R4T and coil thermistor R2T disconnected from the outdoor unit PC board Out of gas or refrigerant system is clogged Requires check of refrigerant s...

Страница 159: ...ct of outdoor PC board A1P Troubleshooting VF053 Operation is normal if one place of power supply line phase is replaced Fix the open phase Requires inspection of field power supply section Negative p...

Страница 160: ...outdoor unit PC Board for 5 seconds Fix the indoor outdoor unit transmission wiring YES NO NO YES Has the indoor or outdoor unit PC board been replaced or has the indoor outdoor or outdoor outdoor un...

Страница 161: ...NO Replace indoor unit PC board Set one remote controller to SLAVE turn the power supply off once and then back on There is possibility of malfunction caused by noise Check the surrounding area and t...

Страница 162: ...d A1P YES NO C H SELECT is set to IND Cool heat selection is unified C H SELECT is set to MASTER NO Is the indoor outdoor unit transmission wiring normal C H SELECT is set to SLAVE YES NO Check and se...

Страница 163: ...en sub remote controllers Defect of remote controller PC board Troubleshooting VF057 SS1 of both remote controllers is set to SUB Set SS1 to MAIN the power supply off once and then back on Set one rem...

Страница 164: ...in the same refrigerant system Refer to failure diagnosis for U5 malfunction code Re diagnose by display after passage of 2 minutes or more NO NO Refer to failure diagnosis for U4 malfunction code YES...

Страница 165: ...nnected to a single outdoor unit system depends on the type of outdoor unit RSXYP16 20KJY1 20 units RSXYP24 30KJY1 32 units VF059 The total of indoor units displaying UA and indoor units connected to...

Страница 166: ...as been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour VF060 Replace indoor unit PC board Address duplication of c...

Страница 167: ...NO Is electricity being introduce for the first time after installation or after an indoor or outdoor unit PC board has been replaced Is indoor outdoor and outdoor outdoor unit transmission wiring no...

Страница 168: ...her L4 Radiator fin temperature rise Is the intake port of the radiator fin clogged L5 Instantaneous over current Inspect the compressor L8 Electronic thermostat Inspection the compressor and refriger...

Страница 169: ...ring the five minutes standby while retry is attempted the prescribed number of times If the number of retry times is exceeded within 60 minutes malfunction is ascertained and the corresponding malfun...

Страница 170: ...t max 80 C Defect of inverter PC board Defect of fin thermistor Troubleshooting VF063 Characteristic check of the radiator fin thermistor Refer to thermistor characteristics table Defect of power unit...

Страница 171: ...ction VF064 Inverter output voltage check Inverter output voltage is not balanced Normal if within 8V Note Must be measured when frequency is stable Replace the compressor Compressor inspection Inspec...

Страница 172: ...e Must be measured when frequency is stable Compressor overload Inspection of the compressor and refrigerant system is required Compressor inspection Inspect according to the diagnosis procedure for o...

Страница 173: ...ot balanced Normal if within 8V Note Must be measured when frequency is stable Unsatisfactory pressure equalization Check refrigerant system Compressor inspection Inspect according to the diagnosis pr...

Страница 174: ...YES Fix the disconnection and turn on again Connect transmission wiring and turn on again NO YES The microcomputer monitor green on the inverter unit is blinking The voltage between red and white of C...

Страница 175: ...place the outdoor unit PC board YES Turn K1M ON YES NO Is 220 240 V of power reaching the K1M coil Is 220 240 V at the connector of X1A Replace the inverter unit Replace the inverter unit YES NO NO Do...

Страница 176: ...g a device capable of constant recording of power supply voltage record power supply voltage between 3 phases L1 L2 L2 L3 L3 L1 for about one continuous week Open phase Normalize field cause Power sup...

Страница 177: ...or Remote Controller Display P4 Supposed Causes Defect of radiator fin temperature sensor Defect of inverter unit Troubleshooting VF070 After resetting restart YES YES Is the resistance of thermistor...

Страница 178: ...s displaying malfunction Is transmission wiring disconnected or wired incorrectly Is the transmission wiring with the master controller disconnected or wired incorrectly Is the master controller s con...

Страница 179: ...disconnected or wired incorrectly The PC board of one of the optional controllers for centralized control is defective Try turning on off using each optional controllers for centralized control and r...

Страница 180: ...lized control simultaneously Disconnect the schedule timer s individual combined connector and reset the power supply for all optional controllers for centralized control simultaneously Arrange so tha...

Страница 181: ...ote Controller Display MC Supposed Causes Address duplication of central remote controller Troubleshooting Are two or more central remote controllers connected Disconnect all central remote controller...

Страница 182: ...displaying malfunction Is transmission wiring disconnected or wired incorrectly Is the transmission wiring with the master controller disconnected or wired incorrectly Is the master controller s conn...

Страница 183: ...board V0843 NO VF076 Is transmission wiring disconnected or wired incorrectly The PC board of one of the optional controllers for centralized control is defective Try turning on off using each option...

Страница 184: ...ntrol when the malfunction is cleared is defective and must be replaced Reset the power supply for all optional controllers for centralized control simultaneously YES YES NO Is the schedule timer conn...

Страница 185: ...ting Remote Controller Display MC Supposed Causes Address duplication of optional controller for centralized control Troubleshooting VF078 Are two or more schedule timers connected Reset the power sup...

Страница 186: ...e transmission wiring with the master controller disconnected or wired incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace in...

Страница 187: ...t the setting of the unified ON OFF controller s switch for setting each address and reset the power supply of the unified ON OFF controller Refer to failure diagnosis for central remote controller or...

Страница 188: ...ontrol simultaneously Arrange so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for centra...

Страница 189: ...transmission wiring Troubleshooting VF082 Is the switch for setting each address set correctly Is the transmission wiring disconnected or wired incorrectly Replace the PC board of the unified ON OFF...

Страница 190: ...al Service Mode R 407C PLUS Series 179 Part 6 Special Service Mode R 407C PLUS Series 1 Backup and Emergency Operation 180 1 1 Backup and Emergency Operation 180 2 Pump Down Operation 182 2 1 Pump Dow...

Страница 191: ...reason described above after about 3 hours of backup operation the system again carries out malfunction detection and the system once again stops due to malfunction if an error is detected Note 1 For...

Страница 192: ...turned on by thermostat Emergency operation stops at the following conditions 1 Emergency operation mode is reset on outdoor unit PC board or 2 One or more indoor units connected to this outdoor unit...

Страница 193: ...it stopping shut the stop valve of the gas pipe Setting of Pump Down Mode Setting Method LED Display H1P H2P H3P H4P H5P H6P H7P Hold down the Mode button for 5 seconds to change to setting Mode 2 8 7...

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Daikin VRV R-407C PLUS Series, Руководство по обслуживанию

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Содержание VRV R-407C PLUS Series

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