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SiUS30-604

Piping Diagrams

Appendix

261

1.2

Indoor Unit

FXFQ 12M / 18M / 24M / 30M / 36MVJU
FXSQ 12M / 18M / 24M / 30M / 36M / 48MVJU
FXMQ 30M / 36M / 48MVJU
FXHQ 12M / 24M / 36MVJU
FXAQ 07M / 09M / 12M / 18M / 24MVJU
FXLQ 12M / 18M / 24MVJU
FXNQ 12M / 18M / 24MVJU

R1T : Thermistor for suction air temperature
R2T : Thermistor for liquid line temperature
R3T : Thermistor for gas line temperature

J:DU220-602J

Heat exchanger

Gas piping connection port

Liquid piping connection port

Fan

R3T

R1T

Electronic
expansion valve

Filter

Filter

R2T

Capacity

GAS

Liquid

07/09/12/18M

φ

1/2

φ

1/4

24/30/36/48M

φ

5/8

φ

3/8

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Содержание VRV - WII

Страница 1: ...SiUS30 604 Water Cooled Inverter Series Heat Pump Heat Recovery 60Hz...

Страница 2: ...nits 11 4 Combination of Outside Units 12 5 Capacity Range 13 Part 2 Specifications 15 1 Specifications 16 1 1 Outside Units 16 1 2 BS Units 23 1 3 Indoor Units 24 Part 3 Refrigerant Circuit 37 1 Refr...

Страница 3: ...Protection Control 70 6 2 Low Pressure Protection Control 71 6 3 Discharge Pipe Protection Control 73 6 4 Inverter Protection Control 74 6 5 Cooling Fan Control 75 7 Special Operation 76 7 1 Oil Retur...

Страница 4: ...Indoor Unit Malfunction of Moving Part of Electronic Expansion Valve Y1E 164 2 7 AF Indoor Unit Drain Level above Limit 166 2 8 AJ Indoor Unit Malfunction of Capacity Determination Device 167 2 9 C4...

Страница 5: ...ntaneous Failure 210 2 40 U3 Check Operation not Executed 212 2 41 U4 Malfunction of Transmission between Indoor Units 213 2 42 U5 Malfunction of Transmission between Remote Controller and Indoor Unit...

Страница 6: ...Switch Box 256 1 1 Procedure for Dismounting 256 1 2 Procedure for Mounting 256 Part 8 Appendix 259 1 Piping Diagrams 260 1 1 Outside Units 260 1 2 Indoor Unit 261 1 3 BS Unit 263 2 Wiring Diagrams 2...

Страница 7: ...SiUS30 604 vi Table of Contents Index i Drawings Flow Charts v...

Страница 8: ...plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shock If it is necessary to supply power to the equipme...

Страница 9: ...se the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency Warning Be sure to use parts listed in the service parts list of the applicable model and appr...

Страница 10: ...essively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make...

Страница 11: ...ion platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sur...

Страница 12: ...ater cooled VRV System Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best suit thei...

Страница 13: ...Introduction SiUS30 604 xii...

Страница 14: ...Design flexibility 3 1 2 Easy installation 5 1 3 Energy saving 6 1 4 Enhanced usability 7 1 5 Outside unit lineup 8 2 Model Names 9 2 1 Water Cooled System 9 3 External Appearance 10 3 1 Indoor Units...

Страница 15: ...pe less internal structure Heat exchanger Evaporating condensing ability Reluctance DC scroll compressor By adoption of the Sine Wave which smoothes rotation of motor operation efficiency is improved...

Страница 16: ...y suitable for tall multistory or large buildings because the system can tolerate up to 284 2psi water pressure Furthermore if the currently installed heat source water temperature is between 50 F and...

Страница 17: ...If the VRV WII is above indoor units 131 ft if the VRV WII is below indoor units Total heating capacity Outside air temperature CDB 14 7 100 60 80 12 6 10 5 9 5 8 5 7 0 5 0 3 0 0 0 3 0 5 0 Refrigeran...

Страница 18: ...r and optimization of the refrigerant control circuit has resulted in the Industry s most compact and lightweight equipment A weight of 0 15 ton and height of 39 3 8 inch make installation possible in...

Страница 19: ...oling operation Heat radiation tendency heat recovery operation mainly cooling part heating operation Heat recovery operation cooling and heating operation Heat absorption tendency heat recovery opera...

Страница 20: ...ater leakage or corrosion A variety of functions that realize easy installation and improve reliability DTA104A62 Interlocking Control wiring external to external transmission wiring By using one exte...

Страница 21: ...p to 14 12 ton RWEYQ144M 14 ton RWEYQ168M 18 ton RWEYQ216M Up to 22 Up to 22 21 ton RWEYQ252M Up to 32 Up to 32 50 130 of the rated capacity of the VRV WII A lineup of 5 ton to 21 ton models precisely...

Страница 22: ...m Ceiling Mounted Duct Type FXDQ 07M 09M 12M 18M 24M Ceiling Mounted Built In Type FXSQ 12M 18M 24M 30M 36M 48M Ceiling Mounted Duct Type FXMQ 30M 36M 48M Ceiling Suspended Type FXHQ 12M 24M 36M Wall...

Страница 23: ...ling mounted duct type FXDQ07MVJU FXDQ09MVJU FXDQ12MVJU FXDQ18MVJU FXDQ24MVJU Wall mounted type FXAQ07MVJU FXAQ09MVJU FXAQ12MVJU FXAQ18MVJU FXAQ24MVJU Ceiling mounted built in type FXSQ12MVJU FXSQ18MV...

Страница 24: ...SiUS30 604 External Appearance General Information 11 3 2 Outside Units 5 6 7 ton 12 14 ton 18 21 ton RWEYQ144MTJU RWEYQ168MTJU RWEYQ216MTJU RWEYQ252MTJU RWEYQ60MTJU RWEYQ72MTJU RWEYQ84MTJU...

Страница 25: ...system an optional Daikin Multi Connection Piping Kit for Outside Unit is required System Capacity Number of units Module Multi Connection Piping Kit for Outside Unit Option 5ton 6ton 7ton 5ton 1 6to...

Страница 26: ...87 84 218 108 280 126 327 5 Capacity Range 0 6ton 0 8ton 1ton 1 5ton 2ton 2 5ton 3ton 4ton Capacity Index 7 5 9 5 12 18 24 30 36 48 Ceiling Mounted Cassette Type Multi Flow FXFQ 12M 18M 24M 30M 36M Sl...

Страница 27: ...Capacity Range SiUS30 604 14 General Information...

Страница 28: ...SiUS30 604 Specifications 15 Part 2 Specifications 1 Specifications 16 1 1 Outside Units 16 1 2 BS Units 23 1 3 Indoor Units 24...

Страница 29: ...ite 5Y7 5 1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 9 21 Number of Revolutions r p m 4 35...

Страница 30: ...ions H W D in 39 3 8 30 3 4 21 11 16 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 11 18 Number of Revolutions r p m 5 280 Motor Output Nu...

Страница 31: ...1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 13 66 Number of Revolutions r p m 6 450 Motor O...

Страница 32: ...lor Ivory White 5Y7 5 1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 2 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 11 18 2 Number of Revol...

Страница 33: ...or Ivory White 5Y7 5 1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 2 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 13 66 2 Number of Revolu...

Страница 34: ...olor Ivory White 5Y7 5 1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 3 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 11 18 3 Number of Revo...

Страница 35: ...lor Ivory White 5Y7 5 1 Dimensions H W D in 39 3 8 30 3 4 21 11 16 3 Heat Exchanger Stainless Steel Plate Type Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 13 66 3 Number of Revol...

Страница 36: ...ons H W D in 7 1 4 12 1 4 11 7 1 4 12 1 4 11 Sound Absorbing Thermal Insulation Material Flame and Heat Resistant Foamed Polyethylene Flame and Heat Resistant Foamed Polyethylene Piping Connection Ind...

Страница 37: ...for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Piping Connecti...

Страница 38: ...Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Po...

Страница 39: ...e Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insu...

Страница 40: ...irocco Fan Sirocco Fan Motor Output HP 0 17 0 17 Air Flow Rate H L cfm 440 350 H L 580 460 H L External Static Pressure 4 Pa 44 15 44 15 Drive Direct Drive Direct Drive Temperature Control Microproces...

Страница 41: ...emperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulat...

Страница 42: ...Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Materia...

Страница 43: ...3 43 Fan Model D11 2D3AA1VE 2D11 2D3AG1VE 2D11 2D3AF1VE Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output HP 0 21 0 36 0 58 Air Flow Rate H L cfm 690 565 1 020 810 1 270 1 020 External Static Pres...

Страница 44: ...ect Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Ther...

Страница 45: ...180 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for...

Страница 46: ...2 29 2 29 Fan Model QCL9686 QCL9686 Type Cross Flow Fan Cross Flow Fan Motor Output HP 0 058 0 058 Air Flow Rate H L cfm 500 400 635 470 Drive Direct Drive Direct Drive Temperature Control Microproces...

Страница 47: ...ect Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and He...

Страница 48: ...e Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling a...

Страница 49: ...Specifications SiUS30 604 36 Specifications...

Страница 50: ...JU 38 1 2 BSVQ36 60M 40 2 Functional Parts Layout 41 2 1 RWEYQ60MTJU RWEYQ72MTJU RWEYQ84MTJU 41 3 Refrigerant Flow for Each Operation Mode 43 3 1 In Case of Heat Pump Connection 43 3 2 In Case of Heat...

Страница 51: ...multiple outside unit system P Y7S 4 way selector valve Sub 20S2 Changes the water heat exchanger into condenser or evaporator Q S1NPH High pressure sensor Used to detect high pressure R S2NPL Low pre...

Страница 52: ...SiUS30 604 Refrigerant Circuit Refrigerant Circuit 39 RWEYQ60MTJU RWEYQ72MTJU RWEYQ84MTJU 4D055410 O W 7 G K 8 V E I 6 P M J Q S 3 A R H 2...

Страница 53: ...d pipe Super cools liquid refrigerant in the heating operation unit during cooling heating simultaneous operation in order to prevent capacity reducing in cooling operation unit caused by flash gas ge...

Страница 54: ...nsor S1NPL Receiver Plate heat exch assy Electronic expansion valve Y1E Solenoid valve Y2S Stop valve Discharge gas side Stop valve Liquid side Stop valve Suction gas side Electronic expansion valve Y...

Страница 55: ...4 42 Refrigerant Circuit 2 1 2 Sensors R4T Thermistor Heat exchanger gas pipe R3T Thermistor M1C Discharge pipe R6T Thermistor Receiver liquid pipe R2T Thermistor Suction pipe R5T Thermistor Sub cooli...

Страница 56: ...OFF Heat exchanger Fan Electronic expansion valve Filter Filter Indoor unit Thermostat ON Fan ON Indoor unit ON Heat exchanger Fan Electronic expansion valve Filter Filter High temperature high press...

Страница 57: ...Filter Indoor unit OFF Heat exchanger Fan Electronic expansion valve Filter Filter Indoor unit Thermostat ON Fan ON Indoor unit ON Heat exchanger Fan Electronic expansion valve Filter Filter High temp...

Страница 58: ...ectronic expansion valve Operation OFF Heat exchanger Electronic expansion valve Capillary tube Three way valve Capillary tube Solenoid valve Check valve Filter Capillary tube Three way valve Capillar...

Страница 59: ...valve Capillary tube Solenoid valve Check valve Filter Capillary tube Three way valve Capillary tube Solenoid valve Check valve Filter Capillary tube Three way valve Capillary tube Solenoid valve Chec...

Страница 60: ...ing control Capillary tube Three way valve Capillary tube Solenoid valve Check valve Filter Indoor unit Thermostat ON Fan ON To other indoor units ON Cooling Heating Heating Heat exchanger Fan Electro...

Страница 61: ...Refrigerant Flow for Each Operation Mode SiUS30 604 48 Refrigerant Circuit...

Страница 62: ...way valve Capillary tube Solenoid valve Check valve Filter Capillary tube Three way valve Capillary tube Solenoid valve Check valve Filter Outside unit 1 Indoor unit Thermostat ON Fan ON Indoor unit T...

Страница 63: ...llary tube Solenoid valve Check valve Filter Outside unit 1 Indoor unit Thermostat ON Indoor unit To other indoor units ON Cooling Cooling Heating Heat exchanger Fan Electronic expansion valve Filter...

Страница 64: ...olenoid valve Check valve Filter Outside unit 1 Indoor unit Thermostat ON To other indoor units ON Cooling Cooling Heating Heat exchanger Fan Electronic expansion valve Filter Filter Indoor unit Therm...

Страница 65: ...e Solenoid valve Check valve Filter Capillary tube Outside unit 1 Indoor unit Thermostat ON Fan ON To other indoor units ON Heating Cooling Heat exchanger Fan Electronic expansion valve Filter Filter...

Страница 66: ...ection Control 70 6 1 High Pressure Protection Control 70 6 2 Low Pressure Protection Control 71 6 3 Discharge Pipe Protection Control 73 6 4 Inverter Protection Control 74 6 5 Cooling Fan Control 75...

Страница 67: ...SiUS30 604 54 Function 9 8 Heater Control 90 9 9 List of Swing Flap Operations 91 9 10 Freeze Prevention 92...

Страница 68: ...d valve for discharging gas from receiver SVL Y3S Solenoid valve for gas charging to receiver SVE Y2S Solenoid valve for oil collection from water heat exchanger SVP Y1S Solenoid valve for hot gas byp...

Страница 69: ...operation 1 3 Cooling Heating simultaneous operation 1 3 BS unit Indoor unit operation 1 4 Slave unit stopping function 2 1 Compressor control 5 1 Electronic expansion valve control 5 2 Heat exchange...

Страница 70: ...xchanger electronic exp valve EV1 Y1E Heat exchanger mode control In case of cooling operation Heat exchanger mode control In case of heating and simultaneous cooling heating operation Sub cooling ele...

Страница 71: ...l Indoor unit control Thermostat OFF Fan 20RH OFF OFF OFF OFF 20RT OFF OFF OFF OFF Indoor Fan Depend on remote controller Depend on remote controller Depend on remote controller Depend on remote contr...

Страница 72: ...oil return solenoid valve SVE Y2S OFF Receiver gas charging solenoid valve SVL Y3S OFF Receiver gas discharge solenoid valve SVG Y4S OFF Non operation unit liquid pipe stop solenoid valve SVSL Y6S ON...

Страница 73: ...ulse 0 pulse Hot gas bypass solenoid valve SVP Y1S OFF OFF Water heat exch oil return solenoid valve SVE Y2S OFF OFF Receiver gas charging solenoid valve SVL Y3S ON OFF Receiver gas discharge solenoid...

Страница 74: ...exchanger electronic exp valve EV1 Y1E 0 pulse Sub cooling electronic exp valve EV3 Y3E 0 pulse Hot gas bypass solenoid valve SVP Y1S OFF Water heat exch oil return solenoid valve SVE Y2S OFF Receive...

Страница 75: ...fan M1 2F OFF Inverter cooling fan control 4 way valve Main 20S1 Y5S Holding OFF 4 way valve for heat exchanger 20S2 Y7S Holding OFF Main heat exchanger electronic exp valve EV1 Y1E 0 pulse 2000 puls...

Страница 76: ...changer 20S2 Y7S Holding OFF Main heat exchanger electronic exp valve EV1 Y1E 0 pulse 180 pulse Sub cooling electronic exp valve EV3 Y3E 0 pulse 0 pulse Hot gas bypass solenoid valve SVP Y1S OFF ON Wa...

Страница 77: ...l Compressor M1C 74Hz 4 way valve Main 20S1 Y5S OFF 4 way valve for heat exchanger 20S2 Y7S OFF Main electronic expansion valve EV1 Y1E 2000 pulse Sub cooling electronic expansion valve EV3 Y3E 0 puls...

Страница 78: ...M Normal factory setting H 37 4 42 8 48 2 Controls compressor capacity to adjust Tc to achieve target value TcS Tc High pressure equivalent saturation temperature F Tc setting TcS Target Tc value Vari...

Страница 79: ...z 88Hz 96Hz 104Hz 110Hz 112Hz 120Hz 130Hz 141Hz 156Hz 168Hz 177Hz 189Hz 202Hz 210Hz 216Hz 230Hz 52Hz 57Hz 62Hz 65Hz 68Hz 71Hz 74Hz 81Hz 88Hz 96Hz 104Hz 110Hz 112Hz 120Hz 130Hz 141Hz 156Hz 168Hz 177Hz...

Страница 80: ...the full use of the sub cooling heat exchanger Heating operation To lower the discharge temperature when the discharge temperature is over 203 F makes PI control of the electronic expansion valve Y3E...

Страница 81: ...ster unit OFF Condenser Slave unit 1 OFF Condenser Four way changeover valve for heat exchanger Y7S For the application of heat exchanger Content of the control of electronic expansion valve Y1E Contr...

Страница 82: ...Condenser Slave unit 1 ON Evaporator Four way changeover valve for heat exchanger Y7S For the application of heat exchanger Content of the control of electronic expansion valve Y1E Control of heat ex...

Страница 83: ...alfunction code E3 Normal operation Pc 427 7psi Pc 397 3psi Pc 468 3psi Comp upper limit 216 Hz Pc 507 5psi INV upper limit frequency 216 Hz Comp upper limit down 3 steps 10 sec INV upper limit up 1 s...

Страница 84: ...Pe 56 5psi 1 Pe LP pressure sensor detection value for master unit 2 This frequency control is carried out in whole system Less than 3 times within 60 min Pe 49 3psi Pe 34 8psi Compressor 52Hz Hot gas...

Страница 85: ...si Comp upper limit down 3 steps 10 sec Compressor 52 Hz Compressor upper limit frequency 216Hz Pe 10 1psi When occurring 4 times within 60 min the malfunction code E4 is output 1 Pe LP pressure senso...

Страница 86: ...side unit INV compressor HTdi Value of INV compressor discharge pipe temperature Tdi compensated with outdoor air temperature Discharge pipe temp control standby HTdi 275 F HTdi 248 F for 10 min or mo...

Страница 87: ...220V unit 220 V unit Ia 26 5 A When occurring 3 times within 60 min the malfunction code L8 is output Comp upper limit down 1 step 15 sec Comp upper limit up 1 step 20 sec Inverter current Ia Inverte...

Страница 88: ...trol of the cooling fan to cool the inverter This cooling fan operates only when the temperature of the inverter fan is high in order to reduce the operating time of the fan Details Control the coolin...

Страница 89: ...valve Main 20S1 Y5S 4 way valve for heat exchanger 20S2 Y7S EV1 Y1E EV3 Y3E SVP Y1S SVE Y2S SVL Y3S SVG Y4S SVSL Y6S M1 2F Same as normal cooling operation Normal control Thermostat off EV Y1E Stop th...

Страница 90: ...2 min Max 4 min Max 3 min Indoor heating unit expansion valve EV Y1E Normal control 320 pulse EV1 Y1E 20S2 OFF 2000 pulse 20S2 ON 180 pulse Sub cooling electronic expansion valave EV3 Y3E 0 pulse Mai...

Страница 91: ...ical symbol Water heat exchanger oil return control Compressor M1C 20S1 Y5S 20S2 Y7S 52 Hz ON OFF EV1 Y1E EV3 Y3E SVP Y1S SVE Y2S SVL Y3S SVG Y4S SVSL Y6S M1 2F EV Y1E 20RH Y3S BS 20RH BS 20RT 20RT Y1...

Страница 92: ...Current step OFF Inverter cooling fan M1 2F Inverter cooling fan control Inverter cooling fan control 4 way valve Main 20S1 Y5S OFF OFF 4 way valve for heat exchanger 20S2 Y7S OFF OFF Main heat exchan...

Страница 93: ...pulse 0 pulse Sub cooling electronic exp valve EV3 Y3E 0 pulse 0 pulse Hot gas bypass solenoid valve SVP Y1S ON OFF Water heat exch oil return solenoid valve SVE Y2S OFF OFF Receiver gas charging sol...

Страница 94: ...enoid valve SVG for venting receiver gas of the outside units that are running out of gas 2 In case of cooling heating simultaneous connection When the superheated degree at the evaporator outlet is l...

Страница 95: ...iagram shows outside unit rotation in combination of 3 outside units Master unit slave unit 1 and slave unit 2 in this section are the names for installation They are determined in installation work a...

Страница 96: ...button 1 4 given in the figure below 9 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 adhering to the...

Страница 97: ...eset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 9 1 4 When the Float Switch is Tripped and AF is Displayed on the Re...

Страница 98: ...w multi flow 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 Ceiling soiling preven...

Страница 99: ...t temperature Ex When cooling Assuming the preset temperature in the figure above is 75 F and the suction temperature has changed from 64 F to 86 F A F This example also assumes there are several othe...

Страница 100: ...n be used so that suction temperature is higher than the preset temperature Ex When heating Assuming the preset temperature in the figure above is 75 F and the suction temperature has changed from 64...

Страница 101: ...ormation on page onward 9 5 Thermostat Control in Dry Operation While in dry operation the thermostat control is conducted according to a suction temperature at the time of starting the dry operation...

Страница 102: ...the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity Detail of operation When either the start conditio...

Страница 103: ...rting the heater temperature into the condensing pressure equivalent saturated temperature Tc according to the temperature detection through the high pressure sensor SINPH of the outside unit Fan resi...

Страница 104: ...FF mode for prevention of cold air Swing LL Horizontal Horizontal Horizontal Wind direction set LL Horizontal Horizontal Horizontal Stop Swing OFF Horizontal Horizontal Totally closed Wind direction s...

Страница 105: ...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 Temperature...

Страница 106: ...eration 93 Part 5 Test Operation 1 Test Operation 94 1 1 Procedure and Outline 94 2 Outside Unit PC Board Layout 98 3 Field Setting 99 3 1 Field Setting from Remote Controller 99 3 2 Field Setting fro...

Страница 107: ...installation manual Special care is required for multi outside unit installation Is the air tight test and vaccume drying carried out as per installation manual Is refrigerant charged up to the specif...

Страница 108: ...display Factory set Micro computer normal monitor MODE TEST CH selection Low noise Demand Multi IND Master Slave HAP H1P H2P H3P H4P H5P H6P H7P H8P 1 outside unit installation 9 1 1 8 1 1 1 1 1 outs...

Страница 109: ...he switch box While in the test operation operating sounds such as refrigerant passing sounds or solenoid valve switching sounds may become louder In the case of multi outside unit system make setting...

Страница 110: ...7 OFF 9 9 Blink H1P H7P H8P Factory set Master Slave 1 Slave 2 77 7777777 7777 7 7777777 7777777 9 9 7777777 7 7777777 7 Malfunction code Installation error Remedial action E3 E4 F3 F6 UF U2 The shut...

Страница 111: ...e Outside unit 2 Set mode display LED 3 Mode setting switch 4 Local setting switch Connection terminal for transmission use DS1 DS2 DS3 1 Microcomputer normal monitor HAP V3054 1 Microcomputer normal...

Страница 112: ...ode push the button for 4 seconds or more and operation then enters the field set mode 2 Select the desired mode No with the button 3 During group control and you want to set by each individual indoor...

Страница 113: ...e field set mode 2 Select the desired mode No with the button 3 Pushing the button select the first code No 4 Pushing the button select the second code No 5 Push the timer button and check the setting...

Страница 114: ...the FIELD SET MODE 3 Select the mode No 00 with BS2 BUTTON temperature setting and BS3 BUTTON temperature setting 4 Select the group No with BS9 BUTTON set A and BS10 BUTTON set B Group Nos increase...

Страница 115: ...er 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 turned ON by th...

Страница 116: ...duct type Ceiling Suspended type Wallmounted type Floor standing type Concealed Floor standing type Multi flow FXFQ FXSQ FXMQ FXHQ FXAQ FXLQ FXNQ Filter sign Ultra long life filter sign Remote control...

Страница 117: ...wer failure reset or the main power supply turned on again return to the same operation condition as that of before power failure For the above reasons when the unit is set enabling to utilize Auto re...

Страница 118: ...rts high performance filter etc is installed sets to change fan speed for securing air flow rate Follow the instruction manual for the optional parts to enter the setting numbers Mode No Setting Switc...

Страница 119: ...on to inspect the group No display 4 Set the group No for each group with the button The group No increases in the manner of 1 00 1 01 1 15 2 00 4 15 However the unified ON OFF controller displays onl...

Страница 120: ...normal mode BRC7C Type Group No Setting Example Caution When turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once f...

Страница 121: ...tion mode 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 contr...

Страница 122: ...e Operation Stop Temperature control Operation mode setting Unified operation individual operation by central remote controller or operation controlled by timer Unified stop individual stop by central...

Страница 123: ...ed Do not change the factory settings OFF Factory set DS3 1 2 ON Not used Do not change the factory settings OFF Factory set Caution DIP switch Setting after changing the main P C Board A1P to spare p...

Страница 124: ...ting mode 2 Mode changing procedure H1P H2P H3P H4P H5P H6P H7P H8P Master unit 7 7 8 7 7 7 7 8 Slave unit 1 7 7 7 7 7 7 7 9 Slave unit 2 7 7 7 7 7 7 7 7 BS1 MODE BS2 SET BS3 RETURN BS4 TEST BS5 RESET...

Страница 125: ...l 7 7 8 7 7 7 7 During demand operation 7 7 8 7 7 7 8 H3P to H5P LED display changes depending on setting No 2 3 4 8 ON 7 OFF 9 Blinking a Setting mode 1 Selection of setting items Push the SET button...

Страница 126: ...ck after disconnection of compressor wires Used for trouble diagnosis of DC compressor Since the waveform of inverter is output without wiring to the compressor it is convenient to probe whether the t...

Страница 127: ...applicable outside unit from operating should there be any faulty part in multi outside unit system Since the comfortable environment is extremely impaired prompt replacement of the part is required...

Страница 128: ...ration 8777778 Indoor forced operation 8777787 8 Te setting 8 7 7 8 7 7 7 High 8777877 Normal factory setting 8777787 Low 8777778 9 Tc setting 8 7 7 8 7 7 8 High 8777877 Normal factory setting 8777787...

Страница 129: ...and 8777877 32 Continuous demand setting 8 8 7 7 7 7 7 OFF 8777778 ON 8777787 38 Emergency operation Master unit with multi outside unit system is inhibited to operate 8 8 7 7 8 8 7 OFF 8777778 Master...

Страница 130: ...7 7 7 8 8 7 7 Number of connected zone units excluding outdoor and BS unit 9 7 7 7 8 8 8 8 Number of outside units 2 9 7 7 8 7 7 7 9 Number of connected BS units 3 9 7 7 8 7 7 8 Lower 4 digits upper...

Страница 131: ...ool heat unified address is expressed as a binary number consisting of the lower 6 digits 0 63 In c the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the...

Страница 132: ...ed before turning power supply ON NOTE 1 2 1 2 F2 B C A F2 F1 F1 F2 F1 Outside unit TOIN DUNIT TOOUT DUNIT F1 F2 F1 F2 F1 F2 F1 F2 IN D OUT D BS REMOTE CONTROLLER BS unit A F1 F2 F1 F2 IN D OUT D BS B...

Страница 133: ...e controllers After the check operation CHANGEOVER UNDER CONTROL is flashing in all connected remote controllers Select an indoor unit to be used as the master unit in accordance with the request from...

Страница 134: ...t Separately for Each Outdoor Unit System by Cool Heat Selector It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PC board DS1 1 to OUT factory set Set cool heat...

Страница 135: ...apter on either the outside unit outside unit indoor outside or transmission line Set outside unit PC board DS1 1 to Indoor factory set In setting mode 1 set the outside unit you want to give cool hea...

Страница 136: ...hange the following items to e Install cool heat switching remote controller on the group master outside unit Set SS1 on the group master outside unit PC board Supplementation on e and f When switchin...

Страница 137: ...mber No 0 to No 31 Address No Outside unit PCB LED Set with setting mode 2 Adapter PCB No 0 No 1 No 2 No 3 No 4 No 30 No 31 DS2 DS1 87 77777 87 77778 87 77787 87 77788 87 77877 87 88887 87 88888 0 1 2...

Страница 138: ...ional setting of Normal Demand Setting or external input by external control adapter is required Demand 1 setting Demand 2 setting Other protection control functions have precedence over the above ope...

Страница 139: ...nit 1 While in Setting mode 2 set the setting condition for set item No 12 Setting of external low noise demand operation to YES 2 If necessary while in Setting mode 2 select the set item No 30 Settin...

Страница 140: ...is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory Power consumption Rated power consumptio...

Страница 141: ...match the LED display with the setting content as shown below you want f Push the BS3 RETURN button two times Returns to c g Push the BS1 MODE button one time Returns to the setting mode 1 and turns H...

Страница 142: ...Turn off the power Charge through Service port of LIQ Stop valve Open DISCHARGE GAS LIQUID SUCTION GAS Stop valve Open LIQUID Stop valve Disconnect charge hose END of charge method STOP refrigerant c...

Страница 143: ...r the amount to be added Additional refrigerant charge procedure 1 normally Charge the refrigerant to the liquid pipe in its liquid state Since R 410A is a mixed refrigerant its composition changes if...

Страница 144: ...em is charged with a specified amount of refrigerant press the RETURN button BS3 on the PC board A1P in the outside unit to stop the additional refrigerant charge operation 4 Immediately open both liq...

Страница 145: ...r of service port without fail by specified torque When loosening a flare nut always use two wrenches in combination When connecting the piping always use a spanner and torque wrench in combination to...

Страница 146: ...ction attached to the refrigerant recovery unit for more detal e Press Mode button BS1 once and reset Setting Mode 2 3 2 7 Setting of Vacuuming Mode In order to perform vacuuming operation at site ful...

Страница 147: ...ized valve Unit stopping Press the TEST button for 5 seconds 10 sec to 10 minutes LED display H1P H7P 8 ON 9 BLINKING 3 OFF 3383333 3933338 Pressure equalizing Step 1 3 5 minutes 10 minutes 3 minutes...

Страница 148: ...he operative compressor or outside unit 3 2 11 Restrictions for Emergency Operation If the emergency operation is set while the outside unit is in operation the outside unit stops once after pump down...

Страница 149: ...E button BS1 once To inhibit the slave unit 2 from operating Set setting mode 2 from No 40 to No 2 Procedure 1 Press and hold the MODE button BS1 for 5 sec or more 2 Press the SET button BS2 40 times...

Страница 150: ...unction of Thermistor R2T for Heat Exchanger 168 2 10 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 169 2 11 C9 Indoor Unit Malfunction of Thermistor R1T for Suction Air 170 2 12 CJ Indoo...

Страница 151: ...Unit 215 2 43 U7 Malfunction of Transmission between Outside Units 216 2 44 U8 Malfunction of Transmission between Master and Slave Remote Controllers 218 2 45 U9 Malfunction of Transmission between...

Страница 152: ...oper Setting 242 5 Troubleshooting OP Unified ON OFF Controller 243 5 1 Operation Lamp Blinks 243 5 2 Display Under Host Computer Integrate Control Blinks Repeats Single Blink 245 5 3 Display Under Ho...

Страница 153: ...ion 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 button o...

Страница 154: ...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 is entered...

Страница 155: ...duct all of the following operations 1 short beep Conduct steps 3 and 4 Continue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirme...

Страница 156: ...SiUS30 604 Troubleshooting by Remote Controller Troubleshooting 143 The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed...

Страница 157: ...Outdoor or outside unit model code Model RSXYP RXYP RSEYP RSXYP L RXYQ M REYQ M RWEYQ M Unit Malfunction code Inspection Normal display No display 0 L 0 Malfunction code blinks when a malfunction occu...

Страница 158: ...r 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 45 push b...

Страница 159: ...ou 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 flow direc...

Страница 160: ...If a malfunction occurs during operation the operation lamp malfunction code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to...

Страница 161: ...f moving part of electronic expansion valve Y1E 3E 179 F3 9 9 9 Abnormal discharge pipe temperature 181 F6 9 9 9 Refrigerant overcharged 182 HJ 9 9 9 Water system defect 184 J3 9 9 9 Malfunction of di...

Страница 162: ...ess duplication of central remote controller 223 UE 9 9 9 Malfunction of transmission between central remote controller and indoor unit 224 235 UF 9 9 9 Refrigerant system not set incompatible wiring...

Страница 163: ...rmality in water system HJ Abnormal discharge pipe temperature Abnormal Td F3 Abnormal heat exchanger temperature Refrigerant over charge F6 Faulty sensor of discharge pipe temperature Faulty Tdi sens...

Страница 164: ...7 9 9 7 9 8 8 7 7 J3 9 7 8 7 9 9 7 9 8 7 7 7 9 9 9 8 8 7 9 J4 9 8 7 7 8 7 7 9 8 8 7 9 J5 9 8 7 7 9 7 9 9 8 8 7 7 J7 9 8 7 7 9 9 9 9 8 8 7 7 J9 9 8 7 9 7 7 9 9 8 8 7 7 JA 9 8 7 9 7 9 7 9 8 8 7 7 JC 9 8...

Страница 165: ...age Contents of malfunction Malfunction code Gas shortage Gas shortage alarm U0 Reverse phase Reverse phase error U1 Abnormal power supply voltage Insufficient inverter voltage U2 Inverter open phase...

Страница 166: ...7 8 9 7 7 9 9 8 7 7 7 7 7 9 8 8 7 7 U1 9 8 7 7 7 7 9 9 8 8 7 7 U2 9 8 7 7 7 9 7 9 8 8 7 9 U3 9 8 7 7 7 9 9 9 8 8 7 7 U4 9 8 7 7 9 7 7 9 8 8 7 7 U7 9 8 7 7 9 9 9 9 8 8 7 7 U9 9 8 7 9 7 7 9 9 8 8 7 7 UA...

Страница 167: ...als with the remote controller set to external ON OFF terminal Supposed Causes Actuation of external protection device Improper field set Defect of indoor unit PC board Troubleshooting V2776 Caution B...

Страница 168: ...be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of indoor unit PC board Troubleshooti...

Страница 169: ...FXSQ FXMQ FXHQ FXAQ Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the float switch goes OFF Supposed Ca...

Страница 170: ...or unit PC board Loose connection of connector NO NO NO YES YES NO NO YES NO YES NO NO The float switch is connected to X8A of the indoor unit PC board NO The drain pump works when the power supply is...

Страница 171: ...hen output voltage to the fan is maximum Supposed Causes Fan motor lock Disconnected or faulty wiring between fan motor and PC board Troubleshooting Caution Be sure to turn off power switch before con...

Страница 172: ...ecision Conditions When fan rotation does not increase Supposed Causes Disconnected short circuited fan motor harnesses or disconnected connectors Faulty fan motor Disconnection and insulation failure...

Страница 173: ...e fan motor NO YES NO YES NO YES NO Are there foreign particles around the fan Are the harness from the fan motor and the harness of A1P fan motor fixed to X20A connected properly Can the fan be remov...

Страница 174: ...pply cable 1 Turn off the power supply Measure the resistance between phases of U V W at the motor side connectors three core wire to check that the values are balanced and there is no short circuitin...

Страница 175: ...on Utilizes ON OFF of the limit switch when the motor turns Malfunction Decision Conditions When ON OFF of the microswitch for positioning cannot be reversed even though the swing flap motor is energi...

Страница 176: ...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 and then back on...

Страница 177: ...lectronic expansion valve Defect of indoor unit PC board Defect of connecting cable Troubleshooting V2781 Caution Be sure to turn off power switch before connect or disconnect connector or parts damag...

Страница 178: ...pansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity Pin No 1 White 2 Yellow 3 Orange 4 Blue 5 Red 6 Brown 1 White Approx 300 Approx 150...

Страница 179: ...e float switch changes from ON to OFF while the compressor is in non operation Supposed Causes Humidifier unit optional accessory leaking Defect of drain pipe upward slope etc Defect of indoor unit PC...

Страница 180: ...en the capacity code is not contained in the PC board s memory and the capacity setting adaptor is not connected 2 When a capacity that doesn t exist for that unit is set Supposed Causes You have forg...

Страница 181: ...ed or shorted while the unit is running Supposed Causes Defect of thermistor R2T for liquid pipe Defect of indoor unit PC board Troubleshooting 2 Refer to thermistor resistance temperature characteris...

Страница 182: ...while the unit is running Supposed Causes Defect of indoor unit thermistor R3T for gas pipe Defect of indoor unit PC board Troubleshooting 2 Refer to thermistor resistance temperature characteristics...

Страница 183: ...ected or shorted while the unit is running Supposed Causes Defect of indoor unit thermistor R1T for air inlet Defect of indoor unit PC board Troubleshooting 2 Refer to thermistor resistance temperatur...

Страница 184: ...comes disconnected or shorted while the unit is running Supposed Causes Defect of remote controller thermistor Defect of remote controller PC board Troubleshooting Note In case of remote controller th...

Страница 185: ...sed Causes Faulty main PCB Faulty communication part photo coupler on the main PCB Troubleshooting Turn off the power supply once and then turn it on again Foreign particles electrically conductive ar...

Страница 186: ...ve property of the high pressure switch with the protector circuit Malfunction Decision Conditions When the protector circuit is partially opened For reference Working pressure for the high pressure s...

Страница 187: ...e high pressure sensor is normal and the main PCB pressure detection is also normal In fact high pressure is rising CHECK 1 Refer to page 249 to eliminate the causes of high pressure rise 1 Compare th...

Страница 188: ...Method of Malfunction Detection Judge the pressure detected by a low pressure sensor with the main PCB Malfunction Decision Conditions When low pressure drops while the compressor is in operation Work...

Страница 189: ...re sensor characteristics normal 1 Is PCB detector pressure normal 2 Replace the main PCB Replace the low pressure sensor Open the stop valve 1 Compare the pressure sensor voltage measurements with pr...

Страница 190: ...from the UVWN line connected between the inverter and the compressor and detect location signal pattern Malfunction Decision Conditions In normal operation location signal for a triple cycle of frequ...

Страница 191: ...mode setting using Setting Mode 2 on the outside unit PCB Measure inverter output voltage Note Take measurements while frequency is stable Eliminate the causes The hot gas bypass valve may not be ope...

Страница 192: ...oard A1P Defect of connecting cable Troubleshooting V3067 YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Return to normal Turn powe...

Страница 193: ...pansion valve from the PC board and check the continuity between the connector pins Normal Continuity No continuity Pin No 1 White 2 Yellow 3 Orange 4 Blue 5 Red 6 Brown 1 White Approx 300 Approx 150...

Страница 194: ...shooting Connect the Service Checker Restart operation after resetting operation 1 Compare the resistance values of the discharge pipe thermistor with measurements of a surface thermometer For tempera...

Страница 195: ...of refrigerant using suction pipe temperature and subcooling heat exchanger outlet temperature during check operation Malfunction Decision Conditions When the suction pipe temperature and the subcooli...

Страница 196: ...to eliminate the causes of wet operation CHECK 4 Mount the thermistor properly before operation Replace the thermistor if it functions abnormally before operation Continue operation Is the thermistor...

Страница 197: ...s Detect turned off interlock circuit When interlock setting is provided Malfunction Decision Conditions When temperature on the heat exchanger gas side R4T drops remarkably with the smallest operatio...

Страница 198: ...the thermistor sensor if any of its characteristics are abnormal Is the heat exchanger dirty YES Clean the heat exchanger YES NO Is the connection between the thermistor on the heat exchanger gas side...

Страница 199: ...open circuit in the discharge pipe temperature thermistor is detected Supposed Causes Defect of thermistor R3T for outside unit discharge pipe Defect of outside unit PC board A1P Troubleshooting V3072...

Страница 200: ...or open Supposed Causes Faulty heat exchanger gas pipe thermistor R4T Faulty outside unit PC board Troubleshooting 2 Refer to thermistor resistance temperature characteristics table on P 278 V3075 Ca...

Страница 201: ...temperature thermistor is detected Supposed Causes Defect of thermistor R2T for outside unit suction pipe Defect of outside unit PC board A1P Troubleshooting 2 Refer to thermistor resistance temperatu...

Страница 202: ...pen Supposed Causes Faulty liquid pipe thermistor R6T Faulty outside unit PC board Troubleshooting 2 Refer to thermistor resistance temperature characteristics table on P278 V3075 Caution Be sure to t...

Страница 203: ...or is short circuited or open Supposed Causes Faulty receiver gas pipe thermistor R5T Faulty outside unit PC board Troubleshooting 2 Refer to thermistor resistance temperature characteristics table on...

Страница 204: ...able Models RWEYQ60 72 84MTJU Method of Malfunction Detection Malfunction is detected from the pressure detected by the high pressure sensor Malfunction Decision Conditions When the discharge pipe pre...

Страница 205: ...er switch before connect or disconnect connector or parts damage may be occurred The relationship between the 1 VH and high pressure is normal see 2 when voltage is measured between X46A pins 1 and 3...

Страница 206: ...pplicable Models RWEYQ60 72 84MTJU Method of Malfunction Detection Malfunction is detected from pressure detected by low pressure sensor Malfunction Decision Conditions When the suction pipe pressure...

Страница 207: ...witch before connect or disconnect connector or parts damage may be occurred The relationship between the 1 VH and low pressure is normal see 2 when voltage is measured between X45A pins 2 and 3 of ou...

Страница 208: ...functions during synchronized operation In case of IPM malfunction Supposed Causes Faulty outdoor PC board A2P IPM failure Current sensor failure Failure of drive circuit Troubleshooting YES NO Turn O...

Страница 209: ...auses Actuation of fin thermal Actuates above 98 C Defect of inverter PC board Defect of fin thermistor Troubleshooting 2 Refer to thermistor resistance temperature characteristics table on P278 V2811...

Страница 210: ...tion Higher voltage than actual is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage...

Страница 211: ...Remote Controller Display L8 Applicable Models RWEYQ60 72 84MTJU Method of Malfunction Detection Malfunction is detected by current flowing in the power transistor Malfunction Decision Conditions When...

Страница 212: ...easured when frequency is stable Compressor overload Inspection of the compressor and refrigerant system is required Compressor inspection Inspect according to the diagnosis procedure for odd noises v...

Страница 213: ...ecked by tester Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V of power supply Must be measured when frequency is stable Caution Be sure to turn off power sw...

Страница 214: ...nction Detection Check the communication state between inverter PC board and control PC board by micro computer Malfunction Decision Conditions When the correct communication is not conducted in certa...

Страница 215: ...itor green on the inverter P C B is blinking The voltage between two pins of L1A L2A and L3A on the inverter unit is 208 230 V Defect of outside unit main PC board or defect of inverter PC board Check...

Страница 216: ...oltage is detected in PC board Malfunction Decision Conditions When the resistance value of thermistor becomes a value equivalent to open or short circuited status Malfunction is not decided while the...

Страница 217: ...y 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 supply voltage imbalance Explanation for users Fix power s...

Страница 218: ...tus Malfunction is not decided while the unit operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sensor Defect of inverter...

Страница 219: ...not the field setting or the type of the PC board is correct through the communication date is judged Supposed Causes Faulty or no field setting after replacing main PC board Mismatching of type of PC...

Страница 220: ...icient gas using low pressure or difference in temperature between the suction pipe and the heat exchanger Malfunction Decision Conditions In cooling Low pressure of 36 2psi or less continues for 30 m...

Страница 221: ...pressure measured by the Service Checker with pressure sensor measurements refer to 1 CHECK 2 Refer to page 250 to eliminate the causes of low pressure drop In cooling NO NO Connect the Service Checke...

Страница 222: ...made between phases Supposed Causes Power supply reverse phase Power supply open phase Defect of outside PC board A1P Troubleshooting V2820 Operation is normal if one place of power supply line phase...

Страница 223: ...f Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the capacitor above only has a voltage of 190...

Страница 224: ...power supply and then set the RUN switch to ON Replace the inverter PCB A2P If the inverter PCB is significantly damaged check for the compressor Check for every wire connection Continue the compress...

Страница 225: ...itions Malfunction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting V3052 Has the check operation performed on Outside...

Страница 226: ...on Detection Microcomputer checks if transmission between indoor and outside units is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time...

Страница 227: ...indoor outside unit transmission wiring YES NO NO YES Has the indoor or outside unit PC board been replaced or has the indoor outside or outside outside unit transmission wiring been modified All indo...

Страница 228: ...nit PC board Defect of remote controller PC board Malfunction of transmission caused by noise Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts d...

Страница 229: ...unction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Improper connection of transmission wiring between outside unit and external cont...

Страница 230: ...CT to IND YES Fix the outside units multi connection transmission wiring and reset power NO Is the outside units multi connection transmission wiring normal Is the indoor outside unit transmission wir...

Страница 231: ...tinue for specified period Supposed Causes Malfunction of transmission between main and sub remote controller Connection between sub remote controllers Defect of remote controller PC board Troubleshoo...

Страница 232: ...etect the malfunction signal of any other indoor unit within the system concerned Malfunction Decision Conditions When the malfunction decision is made on any other indoor unit within the system conce...

Страница 233: ...utes or more NO NO Refer to failure diagnosis for U4 malfunction code YES YES U9 has been displayed for 2 minutes or more NO Turn on all indoor units Refer to failure diagnosis for A1 malfunction code...

Страница 234: ...he remote controller using the outside unit PCB Malfunction Decision Conditions When any of the followings is detected failure is instantly confirmed When there is a problem in the combination of the...

Страница 235: ...playing UA and indoor units connected to the same refrigerant system is within connectable number of unit Normal NO NO There are too many indoor units within the same refrigerant system Push and hold...

Страница 236: ...Conditions The malfunction decision is made as soon as the abnormality aforementioned is detected Supposed Causes Address duplication of centralized remote controller Defect of indoor unit PC board Tr...

Страница 237: ...f Malfunction Detection Microcomputer checks if transmission between indoor unit and centralized controller is normal Malfunction Decision Conditions When transmission is not carried out normally for...

Страница 238: ...wired incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correc...

Страница 239: ...oor unit Failure to execute wiring check operation Defect of indoor unit PC board Troubleshooting Note Test operation may not be successful if carried out after the outside unit has been off for more...

Страница 240: ...oor units RWEYQ60 72 84MTJU Method of Malfunction Detection Detect an indoor unit with no auto address setting Malfunction Decision Conditions The malfunction decision is made as soon as the abnormali...

Страница 241: ...n or after an indoor or outside unit PC board has been replaced Is indoor outside and outside outside unit transmission wiring normal YES Normal NO Does a malfunction occur NO Does a UH malfunction oc...

Страница 242: ...ntroller Display M1 Applicable Models Central remote controller Method of Malfunction Detection Detect an abnormality in the DIII NET polarity circuit Malfunction Decision Conditions When polarity and...

Страница 243: ...ction Detect the malfunction according to DIII NET transmission data The system will be automatically reset Malfunction Decision Conditions When no master controller is present at the time of the star...

Страница 244: ...tralized control and replace the PC board of the one that is unable to control the indoor unit NO NO Fix the wiring correctly YES YES Has a once connected optional controller for centralized control b...

Страница 245: ...ct the malfunction according to DIII NET transmission data Malfunction Decision Conditions When the schedule timer is set to individual use mode other central component is present When multiple master...

Страница 246: ...hat the connector for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Di...

Страница 247: ...nditions Two units are both set to master controller mode or slave controller mode Supposed Causes Address duplication of centralized remote controller Troubleshooting Caution Be sure to turn off powe...

Страница 248: ...Malfunction Detection Microcomputer checks if transmission between indoor unit and centralized controller is normal Malfunction Decision Conditions When transmission is not carried out normally for a...

Страница 249: ...incorrectly Is the master controller s connector for setting master controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly C...

Страница 250: ...ircuit Malfunction Decision Conditions When polarity and polarity are detected at the same time Supposed Causes Defect of schedule timer PC board Troubleshooting Caution Be sure to turn off power swit...

Страница 251: ...nction according to DIII NET transmission data The system will be automatically reset Malfunction Decision Conditions When no master controller is present at the time of the startup of slave controlle...

Страница 252: ...ed control and replace the PC board of the one that is unable to control the indoor unit YES NO Fix the wiring correctly YES NO Has a once connected optional controller for centralized control been di...

Страница 253: ...ction Detect the malfunction according to DIII NET transmission data Malfunction Decision Conditions When the schedule timer is set to individual use mode other central component is present When multi...

Страница 254: ...the connector for setting master controller when the malfunction is cleared is defective and must be replaced Reset the power supply for all optional controllers for centralized control simultaneously...

Страница 255: ...n Decision Conditions When two or more schedule timers are connected Supposed Causes Address duplication of optional controller for centralized control Troubleshooting Caution Be sure to turn off powe...

Страница 256: ...models of indoor units Unified ON OFF controller Method of Malfunction Detection Detect the malfunction according to DIII NET transmission data Malfunction Decision Conditions Supposed Causes Malfunc...

Страница 257: ...ter controller disconnected Set the group No correctly Replace indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Reset...

Страница 258: ...tions When the centralized controller which was connected once shows no response The control ranges are overlapped When multiple master central controller are present When the schedule timer is set to...

Страница 259: ...r schedule timer NO YES YES NO NO Fix the wiring correctly Set reset switch to normal NO NO YES YES YES Is the power supply turned on for all optional controllers for centralized control Reset power s...

Страница 260: ...multaneously 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 centralized con...

Страница 261: ...rol address group No is not set for indoor unit Improper address setting Improper wiring of transmission wiring Troubleshooting Caution Be sure to turn off power switch before connect or disconnect co...

Страница 262: ...re than 113 F Does the water pump function normally Is the strainer or the like clogged Is the suction air temperature not more than 80 6 F Is air or else mixed in the refrigerant system Is the indoor...

Страница 263: ...tics normal Does the pressure value of the Service Checker match the reading of the pressure sensor Check for the thermistor resistance and connection Check for the thermistor resistance and connectio...

Страница 264: ...F or more Discharge gas superheated degree 113 F or more excluding when it is immediately after startup under drop control or other specific conditions The values above must be used only for reference...

Страница 265: ...5 Are the coil resistance and insulation normal Is the connector properly connected Are the thermistor resistance characteristics normal Is the connector properly connected Are the thermistor resistan...

Страница 266: ...e range where the receiver is capable of absorbing Low pressure rises due to decreased compressor output CHECK 5 Check for excessive refrigerant charging In case of the VRV judgment must be made based...

Страница 267: ...Discharges pipe or low pressure droop control Any one of electronic expansion valves opens fully The open degree of the indoor unit electronic expansion valve increases CHECK 6 Check for inadequate r...

Страница 268: ...for Mounting Dismounting of Switch Box 255 Part 7 Procedure for Mounting Dismounting of Switch Box 1 Procedure for Mounting Dismounting of Switch Box 256 1 1 Procedure for Dismounting 256 1 2 Procedu...

Страница 269: ...the top plate the stop valve mounting plate and the bottom frame in a total of 6 places 4 With attention paid not to make the switch box support leg into contact with the side panel rotate the switch...

Страница 270: ...SiUS30 604 Procedure for Mounting Dismounting of Switch Box Procedure for Mounting Dismounting of Switch Box 257 Connect Disconnect the wirings Screw Unscrew the mounting screws A1P...

Страница 271: ...Procedure for Mounting Dismounting of Switch Box SiUS30 604 258 Procedure for Mounting Dismounting of Switch Box...

Страница 272: ...Indoor Unit 267 2 4 BS Unit 271 3 List of Electrical and Functional Parts 272 3 1 Outside Unit 272 3 2 Indoor Side 273 4 Option List 276 4 1 Optional Accessories 276 5 Thermistor Resistance Temperatu...

Страница 273: ...Piping Diagrams SiUS30 604 260 Appendix 1 Piping Diagrams 1 1 Outside Units RWEYQ60MTJU RWEYQ72MTJU RWEYQ84MTJU 4D055410...

Страница 274: ...24MVJU FXLQ 12M 18M 24MVJU FXNQ 12M 18M 24MVJU R1T Thermistor for suction air temperature R2T Thermistor for liquid line temperature R3T Thermistor for gas line temperature J DU220 602J Heat exchanger...

Страница 275: ...Piping Diagrams SiUS30 604 262 Appendix FXDQ Refrigerant pipe connection port diameters 4D043864H Model Gas Liquid FXDQ07M 09M 12M 18MVJU 1 2 1 4 FXDQ24MVJU 5 8 3 8...

Страница 276: ...SiUS30 604 Piping Diagrams Appendix 263 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...

Страница 277: ...Wiring Diagrams SiUS30 604 264 Appendix 2 Wiring Diagrams 2 1 Outside Unit RWEYQ60MTJU RWEYQ72MTJU RWEYQ84MTJU 3D054502A...

Страница 278: ...SiUS30 604 Wiring Diagrams Appendix 265 2 2 Outside Unit Field Wiring RWEYQ60 72 84 144 168 216 252MTJU Operation System Heat Recovery 3D055418...

Страница 279: ...Wiring Diagrams SiUS30 604 266 Appendix RWEYQ60 72 84 144 168 216 252MTJU Operation System Heat Pump 3D055419...

Страница 280: ...SiUS30 604 Wiring Diagrams Appendix 267 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU FXDQ07M 09M 12M 18M 24MVJU 3D042620B 3D050501A...

Страница 281: ...Wiring Diagrams SiUS30 604 268 Appendix FXSQ12M 18M 24M 30M 36M 48MVJU FXMQ30M 36M 48MVJU 3D043177A 3D043176A...

Страница 282: ...SiUS30 604 Wiring Diagrams Appendix 269 FXAQ07M 09M 12M 18M 24MVJU FXHQ12M 24M 36M 3D046039C 3D048116...

Страница 283: ...Wiring Diagrams SiUS30 604 270 Appendix FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...

Страница 284: ...SiUS30 604 Wiring Diagrams Appendix 271 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...

Страница 285: ...s Electronic expansion valve Subcool Y2E Fully closed 0pls Fully open 2000pls Pressure protection Highpressure switch For M1C HPS OFF 580 Psi ON 435 21 75Psi Low pressure sensor S1NPL OFF 10 15Psi Fus...

Страница 286: ...stor for Heat Exchanger High Temp R3T ST8605 3 8 L630 20k 77 F Thermistor Heat Exchanger R2T ST8602A 3 6 L630 20k 77 F Others Float Switch S1L FS 0211 Fuse F1U 250V 5A 5 2 Transformer T1R TR25H25R0 Pa...

Страница 287: ...r BRC4C82 Motors Fan Motor M1F 1 160W 1 270W 1 430W Thermal protector 275 F OFF 188 6 F ON Capacitor for Fan Motor C1R 6 F 450V 9 F 450V 8 F 450V Thermistors Thermistor Suction Air R1T ST8601A 5 4 L10...

Страница 288: ...BRC1C71 Option Wireless Remote Controller Motors Fan Motor M1F 1 25W 1 35W Thermal protector 275 F OFF 248 F ON Capacitor for Fan Motor C1R 0 5 F 450V 1 5 F 450V 2 0 F 450V Thermistors Thermistor Suc...

Страница 289: ...Option List SiUS30 604 276 Appendix 4 Option List 4 1 Optional Accessories Outside Unit 3D055420...

Страница 290: ...c Hardware intelligent Touch Controller DCS601C71 Air Conditioning management system that can be controlled by a compact all in one unit Option Software Web DCS004A71 Monitors and controls the air con...

Страница 291: ...8 44 05 136 4 58 5 74 48 2 9 41 95 138 2 59 5 14 50 0 10 39 96 140 0 60 4 96 51 8 11 38 08 141 8 61 4 79 53 6 12 36 30 143 6 62 4 62 55 4 13 34 62 145 4 63 4 46 57 2 14 33 02 147 2 64 4 30 59 0 15 31...

Страница 292: ...92 249 8 121 7 26 71 6 22 228 05 161 6 72 32 78 251 6 122 7 06 73 4 23 218 24 163 4 73 31 69 253 4 123 6 87 75 2 24 208 90 165 2 74 30 63 255 2 124 6 69 77 0 25 200 00 167 0 75 29 61 257 0 125 6 51 7...

Страница 293: ...PH Detected Pressure High Side PL Detected Pressure Low Side VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure VL Low pressure V Voltage V Ou...

Страница 294: ...lacing the Inverter s Power Transistors and Diode Modules Decision according to continuity check by analog tester Before checking disconnect the electric wiring connected to the power transistor and d...

Страница 295: ...verter PC Board Decision If other than given above the power unit is defective and must be replaced Note If using a digital tester and continuity may be reversed Diode Module Decision If other than gi...

Страница 296: ...SiUS30 604 Precautions for New Refrigerant R 410A 283 Part 9 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 284 1 1 Outline 284 1 2 Service Tools 286...

Страница 297: ...erant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 10 1...

Страница 298: ...ew Refrigerant R 410A 285 Thermodynamic characteristic of R 410A Temperature C Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specifi...

Страница 299: ...07C R 22 Gauge manifold Charge hose 2Do not use the same tools for R 22 and R 410A 2Thread specification differs for R 410A and R 407C Gas detector 2The same tool can be used for HFCs Vacuum pump pump...

Страница 300: ...pipe extension margin of 0 to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with...

Страница 301: ...um degree of vacuum 50 l min 50Hz Select a vacuum pump which is able to keep 60 l min 60Hz the vacuum degree of the system in excess of 2 Suction port UNF7 16 20 1 4 Flare 14 6 psi 5 torr or 5000 micr...

Страница 302: ...Since HFCs do not contain chlorine new tester detects hydrogen 5 Refrigerant oil Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers hi...

Страница 303: ...sure 3685 psi 259 kg cm2 2 Available with and without hand operate valve that prevents refrigerant from outflow Differences 2 Pressure proof hose 2 Change in service port diameter 2 Use of nylon coate...

Страница 304: ...t R 410A Precautions for New Refrigerant R 410A 291 Regarding purchasing of service tools please contact following address Daikin U S Corporation Dallas Office 1645 Wallace Dr Ste 110 Carrollton TX 75...

Страница 305: ...Precautions for New Refrigerant R 410A SiUS30 604 292 Precautions for New Refrigerant R 410A...

Страница 306: ...e Control Blinks Repeats Single Blink 245 Drain Level above Limit 166 Drain Pump Control 83 E E1 172 E3 173 E4 175 E5 177 E9 179 Error of External Protection Device 154 F F3 181 F6 182 Fan Motor M1F L...

Страница 307: ...and Outside Units in the Same System 219 Malfunction of Transmission between Indoor Units 213 Malfunction of Transmission between Inverter and Control PC Board 201 Malfunction of Transmission between...

Страница 308: ...BS Units 23 Indoor Units 24 Outside Units 16 Standby 61 Startup Control 62 Stop 59 T Test Operation 94 Procedure and Outline 94 Thermistor Resistance Temperature Characteristics 278 Thermostat Sensor...

Страница 309: ...SiUS39 601 iv Index...

Страница 310: ...nit Setting by dip switches 110 Field Setting from Outside Unit 110 Mode changing procedure 111 Freeze Prevention 92 Functional Parts Layout 41 G Gauge manifold for R 410A 289 H Heater Control 90 Hot...

Страница 311: ...Unit 261 Outside Units 260 Power Supply Insufficient or Instantaneous Failure 210 Pressure Sensor 280 Procedure for Mounting Dismounting of Switch Box 256 Procedure for Dismounting 256 Procedure for M...

Страница 312: ...ted in U S A 01 2007 AK 1645 Wallace Drive Suite 110 Carrollton TX75006 info daikinac com www daikinac com AMERICAS Specifications designs and other content appearing in this brochure are current as o...

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