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SiE 00-07

List of Safty Device and Function Parts Setting Value

Function R-407C PLUS Series

Parts Name

Symbol

Model

Remark

FXYSP

20KV1

FXYSP

25KV1

FXYSP

32KV1

FXYSP

40KV1

FXYSP

50KV1

FXYSP

63KV1

FXYSP

80KV1

FXYSP

100KV1

FXYSP

125KV1

Remote
Controller

Wired Remote Controller

BRC1A52

Option

Motors

Fan Motor

M1F

AC 220~240V 50Hz

50W

65W

85W

125W

135W

225W

Thermal Fuse 152˚C

Thermal protector

135˚C : OFF 87˚C : ON

Motor for Drain Pump

M1P

AC220-240V (50Hz)

Thermal Fuse 169˚C

Thermistors

Thermistor (Suction Air)

R1T

ST8601-4

4 L800

20k

Ω

(25˚C)

Thermistor (for Heat
Exchanger High Temp.)

R3T

ST8605-7

8 L1600

20k

Ω

(25˚C)

Thermistor (Heat
Exchanger)

R2T

ST8602-6

6 L1250

20k

Ω

(25˚C)

Others

Float Switch

33H

FS-0211

Fuse

F1U

250V 10A

5.2

Thermal Fuse

TFu

109˚C 10A

Transformer

T1R

TR22M21R8

Parts Name

Symbol

Model

Remark

FXYMP

40KV1

FXYMP

50KV1

FXYMP

63KV1

FXYMP

80KV1

FXYMP

100KV1

FXYMP

125KV1

FXYMP

200KV1

FXYMP

250KV1

Remote
Controller

Wired Remote Controller

BRC1A52

Option

Motors

Fan Motor

M1F

AC 220~240V 50Hz

100W

160W

270W

430W

380W

Thermal protector 135˚C : OFF 87˚C : ON

Capacitor for Fan Motor

C1R

F-400V

Thermistors

Thermistor (Suction Air)

R1T

ST8601-5

4 L1000

20k

Ω

(25˚C)

ST8601-13

4 L630

Thermistor (for Heat
Exchanger High Temp.)

R3T

ST8605-5

8 L1000

20k

Ω

(25˚C)

ST8605-5

8 L1000

Thermistor (Heat
Exchanger)

R2T

ST8602-5

6 L1000

20k

Ω

(25˚C)

ST8602A-6

6 L1250

Others

Fuse

F1U

250V 10A

5.2

250V 10A

Transformer

T1R

TR22M21R8

Parts Name

Symbol

Model

Remark

FXYHP

32KV1

FXYHP

63KV1

FXYHP

100KV1

Remote
Controller

Wired Remote Controller

BRC1A51

Option

Wireless Controller

BRC7C63W·68W

Motors

Fan Motor

M1F

AC 220~240V 50Hz

57W

130W

Thermal protector 130˚C : OFF 80˚C : ON

Capacitor for Fan Motor

C1R

F-400V

Swing Motor

M1S

MT8-L[3PA07530-1]

AC200~240V

Thermistors

Thermistor (Suction Air)

R1T

ST8601-11

4 L250

20k

Ω

(25˚C)

Thermistor (for Heat
Exchanger High Temp.)

R3T

ST8605-7

8 L1600

20k

Ω

(25˚C)

ST8605-8

8 L2000

20k

Ω

(25˚C)

Thermistor (Heat
Exchanger)

R2T

ST8602A-7

6 L1600

20k

Ω

(25˚C)

ST8602-8

6 L2000

20k

Ω

(25˚C)

Others

Fuse

F1U

250V 5A

5.2

Transformer

T1R

TR22M21R8

Содержание FXYBP20K7V1

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

Страница 2: ...Operating 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 PI Control 44 3 3 Defrost Control 45 3 4 Low Outside Temperature Cooling Control 47 3 5 Compressor Capacity Control 49 3 6 Demand Control 51 3 7 Restart Standby 52 3 8 Startup Control 53 3 9 Oil Equ...

Страница 3: ...Button 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 Remote Controller Service Mode 123 2 6 Remote Controller Self Diagnosis Function 125 3 Troubleshooting 128 3 1 Indoor Unit Error of External Protection Device 128 3 2 Indoor Unit PC Board Defect 128 3 3 I...

Страница 4: ...Outdoor 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 35 Malfunction of System Refrigerant System Address Undefined 156 4 Failure Diagnosis for Inverter System 157 4 1 Points of Diagnosis 157 4 2 How to Use The Monitor Switch on The Inverter PC Board 1...

Страница 5: ...ost 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 Operation 182 2 1 Pump Down Operation 182 Part 7 Appendix R 407C PLUS Series 183 1 Piping Diagram 184 1 1 Outdoor Unit 184 1 2 Indoor Unit 186 2 Wiring Diagram 187 2 1 Outdoor Unit 187 2 2 Indoor Un...

Страница 6: ...plug 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 equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the dischargin...

Страница 7: ...ols 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 equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly b...

Страница 8: ...er 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 necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If a...

Страница 9: ...y 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 Caution Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution...

Страница 10: ...air 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 series The following technical documents are also available from Daikin Please use these documents together with this manual to conduct efficient servicing Design Installation instruction Si33 003 N...

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

Страница 12: ...nformation 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 Configuration and Combination 5 ...

Страница 13: ...ame 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 mounted cassette type Multi flow type Double flow type Corner type Ceiling mounted built in type Ceiling mounted duct type Ceiling suspended type Wall mounted type Floor standing type Concealed floor st...

Страница 14: ...m 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 the atmosphere remains near the earth s surface thus increasing the temperature of air The degree of the effect to the earth caused by the atmospheric temperature rise due to these gases is numerica...

Страница 15: ...me 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 less system 11 6 reduction 13 7 reduction V0803 Long refrigerant piping equivalent length of 125 actual length of 100 m and height difference of 50 m Connection of indoor unit of varying capacities an...

Страница 16: ...door 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 RXYP20KJ RXYP20KJ Sub unit RXEP10KJ RXEP8KJ RXEP10KJ Total number of connectable indoor units Up to 32 units Total capacity of connectable indoor units 325 845 350 910 375 975 Indoor unit Model name...

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: ...or 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 φ15 9 C1220T Flare connection φ19 1 C1220T Flare connection Gas pipe φ34 9 C1220T Brazing connection φ34 9 C1220T Brazing connection Main Unit Sub Unit Liquid pipe φ12 7 C1220T Flare Brazing connection φ12 7 C1220T Flare Brazing ...

Страница 20: ...er 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 φ19 1 C1220T Flare connection φ19 1 C1220T Flare connection Gas pipe φ34 9 C1220T Brazing connection φ41 3 C1220T Brazing connection Main Unit Sub Unit Liquid pipe φ12 7 C1220T Flare Brazing connection φ12 7 C1220T Flare Brazing connection G...

Страница 21: ...er 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 φ22 2 C1220T Brazing connection φ22 2 C1220T Brazing connection Gas pipe φ41 3 C1220T Brazing connection φ41 3 C1220T Brazing connection Main Unit Sub Unit Liquid pipe φ12 7 C1220T Flare Brazing connection φ12 7 C1220T Flare Brazing connec...

Страница 22: ... 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 Connecting Pipes Outdoor Unit Liquid pipe φ22 2 C1220T Brazing connection Gas pipe φ41 3 C1220T Brazing connection Main Unit Sub Unit Liquid pipe φ12 7 C1220T Flare Brazing connection Gas pipe φ28 6 C122...

Страница 23: ...nsulation Material Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Piping Connections Liquid Pipes 6 4mm Flare Connection 6 4mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection Gas Pipes 12 7mm Flare Connection 12 7mm Flare Connection 15 9mm Flare Connection 15 9mm Flare Connec...

Страница 24: ...mostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Foamed polystyrene Foamed polyethyrene Piping Connections Liquid Pipes 9 5mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection Gas Pipes 15 9mm Flare Connection 15 9mm Flare Connection...

Страница 25: ...ss 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 Connection 12 7mm Flare Connection 12 7mm Flare Connection 12 7mm Flare Connection Drain Pipe mm VP25 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 2...

Страница 26: ...ol 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 15 9mm Flare Connection 15 9mm Flare Connection 19 1mm Flare Connection Drain Pipe mm VP25 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 25 VP2...

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 External Dia 32 Internal Dia 25 VP25 External Dia 32 Internal Dia 25 Weight kg 31 31 31 34 Safety Devices Fuse Thermal Fuse for Fan Motor Fuse Thermal Fuse for Fan Motor Fuse Thermal Fuse for Fan Motor Fu...

Страница 28: ...88 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 Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Glass Fiber Glass Fiber Air Filter Resin Net with Mold Resistant Resin Net with Mold Resistant Resin Net with...

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 Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Glass Fiber Glass Fiber Air Filter Resin Net with Mold Resistant Resin Net with Mold Resistant Resin Net with Mo...

Страница 30: ...t Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Glass Fiber Glass Fiber Air Filter Resin Net with Mold Resistant Resin Net with Mold Resistant Resin Net with Mold Resistant Piping Connecti...

Страница 31: ...Fan 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 Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microp...

Страница 32: ...3 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 4 191 152 4 221 132 5 270 191 5 Drive Direct Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and ...

Страница 33: ...er 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 12 1 40 Face Area m 0 108 Fan Model V1 CG 4203D Type Sirocco Fan Motor Output Number of Units W 10 Air Flow Rate H L m min 6 7 5 2 7 4 5 8 Drive Direct Drive Temperature Control Microprocessor Therm...

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 Insulation Material Flame and Heat Resistant Foamed Polyethylene Flame and Heat Resistant Foamed Polyethylene Flame and Heat Resistant Foamed Polyethylene Air Filter Resin Net with Mold Resistant Resin Net...

Страница 35: ...l Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Air Filter Resin Net Washable Resin Net Washable Resin Net Washable Piping Connections ...

Страница 36: ...or Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Air Filter Resin Net Washable Resin Net Washable Resin Net Washable Piping Connections Liquid Pipes 6...

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 Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Urethane Foam Glass Fiber Urethane Foam Glass Fiber Urethane Foam Air Filter Resin Net with Mold Resistant...

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 Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Urethane Foam Glass Fiber Urethane Foam Glass Fiber Urethane Foam Air Filter Resin Net with Mold Resis...

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 Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Urethane Foam Glass Fiber Urethane Foam Glass Fiber Urethane Foam Air Filter Resin Net with Mold ...

Страница 40: ...w 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 Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Urethane Foam Glass Fiber Urethane Foam Glass Fiber Urethane Foam Air Filter Resin Net with M...

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

Страница 42: ...rol 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 Control 56 3 12 High Pressure Protection Control 57 3 13 Discharge Pipe Temperature Control 59 3 14 Inverter Protection Control 61 3 15 Crankcase Heater Control 62 3 16 Gas Shortage Warning 63 3 17 ...

Страница 43: ...on 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 Cooling operation Provides PI control for compressors by detecting low pressure Heating operation Controls motorized valves to maintain constant evaporator superheated degree U High pressure switch S1...

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: ...on 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 High pressure high temperature gas refrigerant High pressure high temperature liquid refrigerant Low pressure low temperature liquid gas refrigerant ...

Страница 47: ...ndoor 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 temperature gas refrigerant High pressure high temperature liquid refrigerant Low pressure low temperature liquid gas refrigerant ...

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 high temperature gas refrigerant High pressure high temperature liquid refrigerant Low pressure low temperature liquid gas refrigerant ...

Страница 49: ...an 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 high temperature gas refrigerant High pressure high temperature liquid refrigerant Low pressure low temperature liquid gas refrigerant ...

Страница 50: ...ctronic 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 Fully colsed During cooling operating PI control Stop 0pls Fully colsed Solenoid Valve Y1S for Auxilialy condenser NEV202DXF Y2S for Hot gas NEV603DXF Y3S for Injection M1C NEV202DXF Y4S for Injection M2C NEV...

Страница 51: ...Remote Controller BRC1A51 Option Wireless Remote Controller BRC7C62 67 Option Motors Fan Motor M1F AC 220 240V 50Hz 1φ10W 1φ15W 1φ20W 1φ30W 1φ50W 1φ85W Thermal Fuse 152 C Thermal protector 135 C OFF 87 C ON Motor for Drain Pump M1P AC220 240V 50Hz Thermal Fuse 169 C Swing Motor M1S MT8 L 3PA07509 1 AC200 240V Thermistors Thermistor Suction Air R1T ST8601 16 φ4 L1250 20kΩ 25 C Thermistor for Heat E...

Страница 52: ...C1A52 Option Motors Fan Motor M1F AC 220 240V 50Hz 1φ100W 1φ160W 1φ270W 1φ430W 1φ380W 2 Thermal protector 135 C OFF 87 C ON Capacitor for Fan Motor C1R 6µ F 400V 10µ F 400V 10µ F 400V 12µ F 400V Thermistors Thermistor Suction Air R1T ST8601 5 φ4 L1000 20kΩ 25 C ST8601 13 φ4 L630 Thermistor for Heat Exchanger High Temp R3T ST8605 5 φ8 L1000 20kΩ 25 C ST8605 5 φ8 L1000 Thermistor Heat Exchanger R2T ...

Страница 53: ...1 Remote Controller Wired Remote Controller BRC1A52 Option Motors Fan Motor M1F AC 220 240V 50Hz 1φ15W 1φ25W 1φ45W Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor C1R 1 2µF 400V 0 5µF 400V 1 2µF 400V 2µF 400V 2 5µF 400V Thermistors Thermistor Suction Air R1T ST8601 6 φ4 L1250 20kΩ 25 C Thermistor for Heat Exchanger High Temp R3T ST8605 9 φ8 L2500 20kΩ 25 C Thermistor for Heat Exchange...

Страница 54: ...ation 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 frequency etc Heating operation Controls compressor capacity to adjust Tc to achieve target value TcS Tc setting Tc High pressure equivalent saturation temperature C TcS Target Tc value Varies dependi...

Страница 55: ...xchanger 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 value at the start of motorized valve control SHS 5 C When Th6 Te 5 SHS new SHS current 1 However when Th6 Te 5 and DSHi 30 SHS 7 C fixed When Th6 Te 10 SHS new SHS current 1 DSHi Inverter discharge p...

Страница 56: ...es 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 pipe temperature DSH Discharge super heat temp Liquid injection Refer to page 61 and 62 OR When cumulative compressor operating time from power On or completion of previous defrosting operation excee...

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 Accumulator discharge operation ending conditions 2 SH control by outdoor unit EV PI control activated when SHS 10 initial opening degree 200 pls In the case of an LP retry the next PI control is pr...

Страница 58: ...t 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 16MPa Step 1 1 Fan Compressor 16 18 20 class H OFF OFF OFF Upper limit 71 Hz OFF 24 26 28 30 class H OFF OFF OFF OFF OFF Upper limit 52 Hz ON OFF HP 1 05 MPa continues for 30 sec HP 1 55 MPa continue...

Страница 59: ...tion 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 Therefore Tfin switches M11F OFF and M12F ON In this control the compressor load increase based on PI caluculation is conducted once every 2 minutes The load decrease operation is conducted once every ...

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 13 58Hz OFF OFF 14 62Hz OFF 14 62Hz OFF OFF 15 64Hz OFF 15 64Hz OFF OFF 16 67Hz OFF 16 67Hz OFF OFF 17 71Hz OFF 17 71Hz OFF OFF 18 75Hz OFF 18 75Hz OFF OFF 19 37Hz ON 19 37Hz ON OFF 20 41Hz ON 20 41H...

Страница 61: ...on 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 above frequency 41 Hz first then the STD compressor is started Operation starts when frequency matching signal from inverter is received The STD compressor does not start for 3 seconds if the STD co...

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 in stop mode Forced thermostat OFF Model Upper limit frequency A Model Upper limit frequency B INV STD1 STD2 INV STD1 STD2 RSXYP16KJ 46Hz ON RSXYP16KJ 52Hz OFF RSXYP18KJ 52Hz ON RSXYP18KJ 62Hz OFF RS...

Страница 63: ...dby 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 STD compressors stop operating the thermostats remain in forced OFF condition for 5 minutes ...

Страница 64: ...tes 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 instruction to indoor EV according to 5 41Hz 52Hz 20 sec delay 30 sec 1 min SC control Max 15min including 5min for restart standby When HP LP 0 196MPa compressor ON Equalization prior to startup Startup cont...

Страница 65: ...peration 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 steps 2 min 2 min 16 20HP model 62Hz OFF 37Hz ON STEP1 STEP2 STEP3 STEP3 1 71Hz ON OFF STEP3 2 41Hz OFF ON STEP3 3 71Hz OFF ON STD1 ON STD2 ON 110 cumulative minutes of above operations TMC time up P...

Страница 66: ...the 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 the previous defrosting operation Oil return operation The compressor operating frequency is set to B Hz shown in the following table Ending conditions The oil return operation ends after 1 8 minutes ...

Страница 67: ...door 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 Normal control SH control Control according to Tc 2 min Elapsed time of 8 minutes OR Elapsed time of 1 minute Elapsed time of 1 minute after completion of oil return operation OR 2 Oil return operation e...

Страница 68: ...tion 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 conditions 3 Accumulator discharge operation ending conditions 4 LPSH control by outdoor unit EV PI control activated when SHS 10 initial opening degree 200 pls In the case of an LP retry the next P...

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 reset LP 0 09MPa LP 0 10MPa Monitoring LP every 30 sec LP 0 07MPa Monitoring LP every 1 min Ta Outdoor air temp C Tes Low pressure equivalent saturation temp C Heating mode Cooling mode SVP for hot gas b...

Страница 70: ...y 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 elapsed after oil return completion HP 2 37MPa 5 min elapsed after defrost completion 5 min elapsed after oil return completion Normal operation 1 step down for upper limit compressor operation frequency ...

Страница 71: ...ol 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 Non operation unit 224pls Thermostat ON Normal control Thermostat OFF Normal control Non operation unit Normal control PI control when SHS 15 PI control when SHS 10 PI control when SHS 5 PI control w...

Страница 72: ...e 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 compressor stops STD compressor In cooling operation DSHs STD compressor discharge pipe superheated degree Tds1 2 Th3 2 HP equivalent saturation temperature Tds1 2 STD compressor discharge pipe temperature Th...

Страница 73: ...s2 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 105 C Compressor stop for 5 min Forced thermostat OFF F3 Malfunction stop Normal operation HTds1 HTds2 110 C HTds1 HTds2 105 C HTds1 HTds2 130 C Malfunction reset HTdi 115 C HTs1 HTs2 115 C HTdi HTds1 ...

Страница 74: ...upper 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 Inverter current 28 3 0 A INV fin temp 92 C OR Inverter current 28 3 0 A INV fin temp 87 C 3 min elapse OR every 10 sec every 3 min ...

Страница 75: ...nt 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 Compressor ON V0833 Outdoor air temp 27 C OR OR Compressor stop during the magnet contactor of INV compressor ON The magnet contactor of INV compressor OFF ...

Страница 76: ...age 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 superheat degree 20 C EV2 2000 pls full open SH3 Evaporator3 outlet superheat degree 20 C EV3 2000 pls full open OR SH1 Evaporator1 outlet superheat degree 20 C Cancels gas shortage warning EV1 2000 p...

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 moved to liquid line for 60 seconds after entering pump down residual operation However this relief solenoid valve closes at Th6 Te 0 Ending condition Thermostat ON OFF OR DSHi 20 C Th6 Te 10 C Outdoo...

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 again immediately after a backup operation within 5 minutes after STD compressor startup STD1 and STD2 are switched and operation is retried If OC activates again only the inverter compressor is used...

Страница 79: ...ub 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 2 H OFF OFF OFF H OFF OFF OFF OFF OFF 3 H OFF ON OFF H OFF ON OFF ON OFF 4 H ON ON OFF H ON ON OFF ON OFF 5 H ON ON ON H ON ON ON ON ON Tfin 87 C Tfin 67 C tap 24 30HP M11F M12F M21F M22F M3F M4F OFF...

Страница 80: ...buttons 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 adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation 4 1 2 When the Float Switch is Tripped During Cooling OFF by Thermostat ...

Страница 81: ...h 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 on the Remote Controller Note If the float switch is tripped five times in succession a drain malfunction is determined to have occurred AF is then displayed as operation continues ...

Страница 82: ...available 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 Ceiling soiling prevention position Draft prevention position Standard position Prohibited Prohibited Dirt prevention position P0 P0 P0 P1 P2 P2 P1 P3 P3 P4 P4 P1 P2 P3 P4 Same as existing position Se...

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 several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 23 C A C Remote cont...

Страница 84: ...troller 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 from 18 C to 28 C A F This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sen...

Страница 85: ...too 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 Temperature is 1 C or less for total of 40 min or temperature is 5 C or less for total of 10 min Conditions for stopping freeze prevention Temperature is 7 C or more for 10 min continuously Ex Case wh...

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 Additional Refrigerant Charge Operation 95 1 11 Refrigerant Recovery Mode 96 1 12 Indoor Field Setting 97 1 13 Centralized Control Group No Setting 103 1 14 Contents of Control Modes 105 ...

Страница 87: ...ansmission 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 valves on liquid gas Use a 500V megar tester Be sure to record addition or replenishment VF128 Turn on outdoor unit power Set various selectable modes on outdoor unit PC board Turn on indoor unit power B...

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 controller 4 times Push once more to return to the normal operation mode Make sure cold air is coming from the indoor unit Run the indoor units one at a time and make sure that the corresponding outdoor ...

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 during operation described above the operation lamp lights but the compressor does not operate Returns to normal when automatic setting is complete 1 2 3 When an Outdoor Unit or Indoor Unit Has Been...

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: ...ing 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 parts PC board Refer table below HAP LED A SERV MON V0836 C H SELECT IN D OUT D SS1 V0838 SS2 B D F H SS3 SS4 SS5 A C E G V0848 SS2 SS3 SS4 SS5 A B C D E F G H RSXYP16KJ RSXYP18KJ RSXYP20KJ RSXYP24KJ R...

Страница 92: ...f 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 SELECT SS1 Used to rearrange the addresses in modifying the cabling or increasing the number of indoor units Used to check for wrong cabling Used for field programming Used to change the setting modes V...

Страница 93: ...de 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 run with the operation button Select low noise run with the operation button Press the RETURN button Press the SET button Press the RETURN button Press the RETURN button Select sequential start with th...

Страница 94: ...ol 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 C H SELECT SET MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P C H SELECT MODE TEST L N O P SEQ IND MASTER SLAVE START H1P H2P H3P H4P H5P H6P H7P C H SELECT SET SET MODE TE...

Страница 95: ...ge 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 is stopped Allows operation of indoor unit from outdoor unit Fixes compressor frequency INV 60Hz OFF STD1 ON OFF STD2 ON OFF Low pressure setting for cooling High pressure setting for heating Tempera...

Страница 96: ...x 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 while compressor off and all expansion valve fully open Recovery 13 S Address 0 Binary number 1 6 digits 2 31 Address for cool heat unified operation Cool heat unified address 2 S S S S S S Address 0 Bi...

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 match with the LEDs No 1 15 push the RETURN button and enter the data for each setting Data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as foll...

Страница 98: ...ed 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 BS units 0 128 units Lower 4 digits upper No 10 Number of BS units 0 128 units Lower 4 digits lower No 11 Number of zone units excluding outdoor and BS units 0 63 units Lower 6 digits No 12 Number of...

Страница 99: ...dance 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 these setting methods is explained in detail below For 3 and 4 be sure to perform power supply reset after changing settings 1 5 1 Setting of Cool Heat by Individual Outdoor Unit System by Indoor Unit Re...

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 In setting mode 1 set cool heat selection to IND factory set ...

Страница 101: ...T 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 control adaptor for outdoor unit to BOTH factory set or C H Set SS2 to OFF factory set 1 5 4 Setting of Cool Heat by Outdoor Unit System Group in Accordance with Group Master Outdoor Unit by Cool Hea...

Страница 102: ...or 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 unit group slave No 1 Cool heat group address lllll DS2 DS1 Adapter PCB No 2 Outdoor unit group master No 2 Outdoor unit group slave No 2 Outdoor unit group slave No 2 Cool heat group address llll l DS2...

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: ...ion 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 Outdoor unit external control adaptor setting Function switch SS1 Set to BOTH or DE Address setting switches DS1 DS2 Match with outdoor unit low noise operation and demand control address 3 Short ci...

Страница 105: ...ion 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 Outdoor unit external control adaptor setting Function switch SS1 Set to BOTH or DE Address setting switches DS1 DS2 Match with outdoor unit low noise operation and demand control address 3 Select o...

Страница 106: ...start 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 start ON In the case of power supply in the same line 8 10HP outdoor unit Power supply Power supply Power supply Power supply System 8 System 1 System 7 System 6 System 5 System 4 System 3 Power supp...

Страница 107: ...wiring 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 procedure from the beginning 3 About 1 minute after you finish running the system once again check the number of connected indoor units in the monitor mode and make sure the number agrees with the fi...

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 mode 1 press the MODE button for 5 seconds to enter service mode 2 8 7 7 7 7 7 7 Press the SET button to set the LED indicators to the additional refrigerant charge operation indication 8 7 8 7 8 7 7 Pr...

Страница 109: ...he 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 button for 5 seconds to enter service mode 2 8 7 7 7 7 7 7 Press the SET button to set the LED indicators to the refrigerant recovery mode indication 8 7 8 7 8 7 8 Press the RETURN button 8 7 7 7 7 ...

Страница 110: ...he 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 indoor unit No to be set Note This operation is not required when setting as a group 4 Push the button and select the first code No 5 Push the button and select the second code No 6 Push the timer button ...

Страница 111: ...os 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 DOWN button to select a Setting Position No 6 Press the button once to enter the settings 7 Depress the button for about 1 second to return to the Normal Mode Example When setting the filter sign ti...

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 button for 4 seconds or more and operation then enters the 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 s...

Страница 113: ...to 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 turned ON by thermostat Operation output Malfunctionoutput 1 ON OFF input from outside Set when ON OFF is to be controlled from outside Forced OFF ON OFF control External protection device 2 Thermos...

Страница 114: ...r 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 extension setting 0 30 min 60 min 90 min 18 28 0 External signal setting JC J2 Last command Priority on external input 1 Setting for direct power on Off On 2 Auto restart setting Off On 4 Indication ...

Страница 115: ...sed 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 to the section Group number setting for centralized control in the operating manual of either the on off controller or the central controller Caution 1 The setting positions are set at 01 at the facto...

Страница 116: ...ller 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 Even if not using a remote controller connect the remote controller when setting the group No set the group No for centralized control and disconnect after making the setting Set the group No after tu...

Страница 117: ...mple 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 displaying after all indications were displayed once for about 1 minute on the liquid crystal display This is not an operative fault Centoral Remote Controller F1 F2 F1 F2 F1 F2 F1 F2 P1 P2 RC RC RC RC RC F1...

Страница 118: ...ble 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 by central remote controller OFF by remote controller Unified OFF by central remote controller Temperature control by remote controller Operation mode setting by remote controller OFF by remote cont...

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

Страница 120: ...Unit 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 Malfunction of Thermostat Sensor in Remote Controller 136 3 13 Outdoor Unit Actuation of Safety Device 136 3 14 Outdoor Unit PC Board Defect 137 3 15 Outdoor Unit Actuation of High Pressure Switch 1...

Страница 121: ...function 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 Malfunction of Inverter Radiating Fin Temperature Rise Sensor 166 6 Troubleshooting OP Central Remote Controller 167 6 1 Malfunction of Transmission Between Central Remote Controller and Indoor Unit 167 6...

Страница 122: ...FF 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 Air flow rate setting display ON Air flow direction setting display ON Temperature setting display ON Indicates previous settings for air flow rate and direction and temperature NO ON OFF YES NO Opt...

Страница 123: ...flow 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 after 5 minutes residual operation Electronic expansion valve Y1E OFF Thermostat on operation signal to outdoor unit Cancelled Electronic expansion valve Y1E Capacity control Thermostat ON operation sig...

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 M1P OFF Auxiliary electric heater K1R OFF Humidifier Hu OFF A 10 11 9 No YES Option VF024 9 Fan operation When fan operation has been selected using the remote controller operation is turned OFF by the...

Страница 125: ...lectric 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 contorol Electronic expansion valve Y1E open Auxiliary electric heater K1R OFF Humidifier Hu OFF NO NO NO YES YES NO YES YES 13 12 14 15 12 NO Thermostat status Yes NO Option Option Option Option A V...

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 electronic expansion valve is slight ...

Страница 127: ...est 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 button once Press Inspection Test Operation button once Indoor unit settings can be made Filter sign time Air flow direction Others Following codes can be checked Malfunction codes Indoor model code...

Страница 128: ...ops 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 is entered The malfunction code enables you to tell what kind of malfunction caused operation to stop See page 125 for malfunction code and malfunction contents ...

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 changes as shown below by pushing the advance or backward button 3 Push the operation mode selector button The 0 upper digit on the left side of the malfunction code blinks 4 Malfunction code upper digit d...

Страница 130: ...The 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 indoor unit 1 Number of beeps 3 short beeps Conduct 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 ind...

Страница 131: ...on 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 code lower digit diagnosis Press the UP or DOWN button and change the malfunction code lower digit until the continuous malfunction code matching buzzer 2 is generated The lower digit of the code chang...

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

Страница 133: ...E 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 Unit Malfunction code Inspection Normal display No display 0 L 0 Malfunction code blinks when a malfunction occurs Unit Malfunction code Inspection Inspection mode Push the button Inspection test ope...

Страница 134: ...unit 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 45 push button to be able to change setting before setting work LCD code blinks For details refer to the table in next page 4 Define the setting contents Modes 44 45 Define by pushing the timer butto...

Страница 135: ...t 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 flow direction by each unit Select the unit No with the time mode button Set the fan speed with the button Set the air flow direction with the button 45 Unit No transfer Transfer unit No Select the unit...

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 loose connection disconnection short circuit failure 135 C9 9 9 9 Malfunction of thermistor R1T for air inlet loose connection disconnection short circuit failure 135 CJ 8 8 8 Malfunction of thermosta...

Страница 137: ...ailure 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 transmission between remote controller and indoor unit 150 U5 7 8 7 Failure of remote controller PC board or setting during control by remote controller U7 9 9 9 Malfunction of transmission between ind...

Страница 138: ...tional 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 Heat Reclaim Ventilation 60 8 7 9 Overall alarm 9 9 9 Overall malfunction 64 8 7 9 Inside air thermistor error 65 8 7 9 Outside air thermistor error 6A 8 7 9 Damper system alarm 6A 9 9 9 Damper syste...

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 T1 and T2 of the indoor unit terminal block ON OFF input from outside mode No 12 first code No 1 has been set to external protection device input second code No 03 by remote controller YES NO NO YES ...

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 float switch is connected to X18A of the indoor unit PC board NO The drain pump works when the power supply is reset for the indoor unit The drain pump is connected to X25A or terminals X8S and X9S of th...

Страница 141: ...wiring 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 Is the wiring from the fan motor securely connected to X4A and X5A on the indoor unit PC board Wiring between the indoor unit PC board and fan motor is disconnected Does the fan motor run VF031 ...

Страница 142: ...X9A 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 and then back on When the air flow direction flap s cam mechanism is disconnected from the swing motor operation is normal when turned on again The connecting cable has no continuity After turning the ...

Страница 143: ...l 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 you turn the power supply off and turn on again and it still does not help replace the indoor unit PC board NO YES The electronic expansion valve is connected to X7A of the indoor unit PC board Normal wh...

Страница 144: ...ier 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 humidifier unit is leaking NO NO Field drain piping has a defect such as upward sloping A humidifier unit optional accessory is installed on the indoor unit VF034 ...

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 with a replacement PC board The indoor unit is a model that requires installation of a capacity setting adaptor when replacing the PC board VF036 Replace the indoor unit PC board Connect the thermistor...

Страница 146: ... 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 indoor unit PC board Resistance is normal when measured after disconnecting the thermistor R3T from the indoor unit PC board 0 6kΩ 360kΩ Replace the indoor unit PC board Connect the thermistor and tur...

Страница 147: ...fan 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 other than equipment malfunction for example noise etc VF039 NO VF040 Connector or terminal is connected to X8A X9A of the outdoor unit PC board A1P and X1S X2S Contacts F2C X1S X2S are open Connect ...

Страница 148: ...switch 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 heat exchanger dirty Defect of outdoor fan Is the refrigerant over charged Operation is normal when turned on again by remote controller Replace outdoor unit PC board A1P Actuation of high pressure s...

Страница 149: ...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 1 Is the relationship between low voltage and VL normal Out of gas refrigerant system clogging wiring and piping wrong connection Replace the low pres...

Страница 150: ...ard and check the continuity between the connector pins Normal Continuity Approx 300Ω Continuity Approx 150Ω No continuity VF043 Electronic expansion valve is connected to X12A of outdoor unit PC board A1P Normal when coil check 1 of the moving part of the electronic expansion valve is checked The connecting cable is short circuited or disconnected Replace the connecting cable Replace outdoor unit...

Страница 151: ...pe 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 R3 2 12 T standard side X17A and R3 13T standard side X21A for 24 30 class Are the characteristics of the discharge pipe thermistor normal R3 1T R3 2T or R3 11T 13T For the characteristics table Repl...

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 R1T from the outdoor unit PC board 3 5kΩ 360kΩ Connector is connected to X20A of outdoor PC board A1P Replace outdoor unit PC board A1P Connect the thermistor and turn on again NO NO Replace the thermi...

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 the thermistor R3 1 11 T R3 2 12 T or R3 13T from the indoor unit PC board 3 5kΩ 400kΩ Replace outdoor unit PC board A1P or A3P Connect the thermistor and turn on again NO NO Replace the thermistor R...

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 the thermistor R4 1 11 T R4 2 12 T or R4 13T from the indoor unit PC board 3 5kΩ 360kΩ Replace outdoor unit PC board A1P or A3P Connect the thermistor and turn on again NO NO Replace the thermistor R4...

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 the thermistor R2 1 11 T R2 2 12 T or R2 13T from the indoor unit PC board 3 5kΩ 360kΩ Replace outdoor unit PC board A1P or A3P Connect the thermistor and turn on again NO NO Replace the thermistor R2 ...

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 when voltage is measured between X22A pins 1 and 3 of outdoor unit PC board A1P see 1 Replace the high pressure sensor Connect the high pressure sensor and turn on again NO NO Replace outdoor unit PC b...

Страница 157: ...ard 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 voltage is measured between X21A pins 2 and 3 of outdoor unit PC board A1P see 1 Replace the low pressure sensor Connect low pressure sensor property and restart system NO NO Replace outdoor unit PC b...

Страница 158: ...normal 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 system Replace the thermistor Replace the outdoor unit PC board A1P YES NO NO Out of gas or refrigerant system is clogged Requires check of refrigerant system Replace low outdoor unit PC board YES YES...

Страница 159: ...ect 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 phase Disposal of the problem is completed by phase replacement Replace outdoor unit PC board A1P YES YES NO NO There is an open phase at the power supply terminal section X1M of the outdoor unit ...

Страница 160: ...e 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 unit transmission wiring been modified All indoor unit remote controllers of the same refrigerant system display U4 NO Outdoor unit PC board microcomputer monitor HAP blinks NO NO Operation ready lamp ...

Страница 161: ...S 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 turn on again NO NO Using 2 remote controllers control All indoor PC board microcomputer monitors blink YES Multi core cable is used for the indoor unit remote controller transmission wiring Operation...

Страница 162: ...rd 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 see if the following items are normal NO Does a malfunction occur when the cool heat selector is set to IND YES Set C H SELECT to IND The cool heat unified address for outdoor units in outdoor outdoor ...

Страница 163: ...een 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 remote controller to MAIN the power supply off once and then back on Turn the power off and then back on If a malfunction occurs replace the remote controller PC board YES YES YES NO NO NO Using 2 remot...

Страница 164: ...hin 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 YES U9 has been displayed for 2 minutes or more NO Turn on all indoor units Refer to failure diagnosis for A1 malfunction code NO YES The A1 display blinks on the remote controllers of other units w...

Страница 165: ...onnected 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 the same refrigerant system is 20 or 32 units or less Replace outdoor unit PC board A1P Normal NO NO There are too many indoor units within the same refrigerant system Push and hold the RESET button ...

Страница 166: ...has 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 central remote controller The setting must be changed so that the central remote control address is not duplicated YES NO Optional controllers for centralized control are connected to the indoor unit ...

Страница 167: ...l 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 normal YES Normal NO Does a malfunction occur NO Does a UH malfunction occur for all indoor units in the system YES NO Does a malfunction occur even after 12 minutes elapses from the time when electric...

Страница 168: ...ther 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 refrigerant system L9 Stall prevention Inspection the compressor and refrigerant system LC Malfunction of transmission between inverter PC board and outdoor unit PC board Inspect the connection between the i...

Страница 169: ...ering 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 malfunction code is displayed on the indoor unit remote controller 9 Blink 8 On 7 Off LED A 1 2 3 4 Malfunction contents Retry times 9 7 7 7 7 Normal 9 7 7 7 8 Malfunction of fin thermistor 3 9 8 8 7 7 Sen...

Страница 170: ...at 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 radiation Intake port is clogged Radiator fin is dirty Outdoor temperature is high NO Replace the thermistor YES Abnormal Is reset possible Reset and operate Normal Replace the inverter unit NO YES ...

Страница 171: ...ection 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 Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor NO Replace the inverter unit YES YES Correct power supply YES The compressor s coil is disconnec...

Страница 172: ...te 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 odd noises vibration and operating status of the compressor NO Replace the inverter unit YES NO Reset and restart NO The secondary current of the inverter is higher than 27 5A for each phase Replace t...

Страница 173: ...not 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 procedure for odd noises vibration and operating status of the compressor YES Replace the inverter unit NO NO Reset and restart NO The difference between high and low pressure when starting is 2 kg cm2...

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 CN on the inverter unit is 220 240 V 50Hz YES Defect of outdoor PC board or defect of inverter unit Check the noise filter Z1F for disconnection and check the power supply wiring or the inverter unit ...

Страница 175: ...eplace 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 Does the voltage between terminals P and N gradually rise to 339 VDC Y1 after turning on U2 blinks again Monitor field power supply The voltage between the P and N terminals is 320 VDC Y1 or morewhen t...

Страница 176: ...ng 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 supply voltage imbalance Explanation for users Fix power supply voltage imbalance YES YES NO Imbalance in supplied voltage is in excess of 20 V Y1 1 Open phase When voltage monitoring is possible 1 Meas...

Страница 177: ...sor 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 correct Is the resetting possible Replace radiation fin thermistor Measure the resistance of radiation fin thermistor NO Replace inverter PC board NO ...

Страница 178: ...ts 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 connector for setting master 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...

Страница 179: ...g 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 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 been disconnected or i...

Страница 180: ...alized 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 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 control simultaneously Discon...

Страница 181: ...mote Controller Display MC Supposed Causes Address duplication of central remote controller Troubleshooting Are two or more central remote controllers connected Disconnect all central remote controllers except one and reset the power supply of the central remote controller Reset power supply of the central remote controller NO YES VF074 ...

Страница 182: ...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 connector for setting master 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 ...

Страница 183: ...C 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 optional controllers for centralized 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 fo...

Страница 184: ...ontrol 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 connected Are there two or more optional controllers for centralized control connected with the connector for setting master control YES Is the schedule timer s individual combined connector connected NO...

Страница 185: ...tting 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 supply for the schedule timer Disconnect all schedule timers except one and reset the schedule timer s power supply YES NO ...

Страница 186: ...he 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 indoor unit PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Reset power supply for all optional controllers for centralized contr...

Страница 187: ...ct 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 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 188: ...control 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 centralized control simultaneously Disconnect the connector for setting master control from the master controller connect to another optional controller for centralized control and simultaneously reset all...

Страница 189: ...f 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 controller Fix the wiring correctly Set by remote controller the central control address for all indoor units connected to the central control line YES YES Set the switch for setting each address cor...

Страница 190: ...ial 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 Down Operation 182 ...

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 2 compressor system When the STD compressor OC operates the operation continues using only the inverter compressor based on remote control reset for 3 hours only For 3 compressor system When OC opera...

Страница 192: ...e 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 are turned off by thermostat Setting of Emergency 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 7 7 7 7 7 Push S...

Страница 193: ...nit 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 7 7 7 7 7 Push SET button and select LED display to Pump down operation 8 7 7 8 8 8 7 Push the RETURN button 8 7 7 7 7 7 9 Push SET button and select LED display as shown right 8 7 7 7 7 9 7 Push th...

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