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Si37-701

Basic Control

Function

107

(To decrease Step No.)

STEP

No.

unit 1

INV

unit 2

INV

unit 3

INV

STD

52Hz

56Hz

62Hz

68Hz

74Hz

80Hz

88Hz

96Hz

104Hz

52Hz

56Hz

62Hz

66Hz

70Hz

74Hz

52Hz

56Hz

62Hz

66Hz

68Hz

70Hz

74Hz

80Hz

88Hz

96Hz

52Hz

ON1

62Hz

ON1

68Hz

ON1

74Hz

ON1

80Hz

ON1

88Hz

ON1

96Hz

ON1

104Hz

ON1

52Hz

ON2

62Hz

ON2

74Hz

ON2

88Hz

ON2

96Hz

ON2

52Hz

ON3

62Hz

ON3

74Hz

ON3

92Hz

ON3

104Hz

ON3

52Hz

ON4

62Hz

ON4

74Hz

ON4

96Hz

ON4

52Hz

ON5

68Hz

ON5

80Hz

ON5

96Hz

ON5

104Hz

ON5

116Hz

ON5

124Hz

ON5

144Hz

ON5

158Hz

ON5

166Hz

ON5

176Hz

ON5

188Hz

ON5

202Hz

ON5

210Hz

ON5

(To decrease Step No.)

STEP

No.

unit 1

INV

unit 2

INV

unit 3

INV

STD

52Hz

56Hz

62Hz

68Hz

74Hz

80Hz

88Hz

96Hz

104Hz

52Hz

56Hz

62Hz

66Hz

70Hz

74Hz

52Hz

56Hz

62Hz

66Hz

68Hz

70Hz

74Hz

80Hz

88Hz

96Hz

52Hz

ON1

62Hz

ON1

68Hz

ON1

74Hz

ON1

80Hz

ON1

88Hz

ON1

96Hz

ON1

104Hz

ON1

52Hz

ON2

62Hz

ON2

74Hz

ON2

88Hz

ON2

96Hz

ON2

52Hz

ON3

62Hz

ON3

74Hz

ON3

92Hz

ON3

104Hz

ON3

52Hz

ON4

62Hz

ON4

74Hz

ON4

96Hz

ON4

104Hz

ON4

52Hz

ON5

68Hz

ON5

80Hz

ON5

96Hz

ON5

104Hz

ON5

52Hz

ON6

68Hz

ON6

80Hz

ON6

96Hz

ON6

104Hz

ON6

116Hz

ON6

124Hz

ON6

144Hz

ON6

158Hz

ON6

166Hz

ON6

176Hz

ON6

188Hz

ON6

202Hz

ON6

210Hz

ON6

REYQ42PY1, 44PY1 (10/12+16+16HP)

(To increase Step No.)

STEP

No.

unit 1

INV

unit 2

INV

unit 3

INV

STD

52Hz

56Hz

62Hz

66Hz

68Hz

70Hz

74Hz

80Hz

88Hz

96Hz

104Hz

110Hz

116Hz

124Hz

80Hz

ON1

88Hz

ON1

96Hz

ON1

104Hz

ON1

116Hz

ON1

124Hz

ON1

132Hz

ON1

88Hz

ON2

96Hz

ON2

104Hz

ON2

124Hz

ON2

144Hz

ON2

92Hz

ON3

104Hz

ON3

116Hz

ON3

124Hz

ON3

144Hz

ON3

96Hz

ON4

104Hz

ON4

116Hz

ON4

124Hz

ON4

144Hz

ON4

96Hz

ON5

104Hz

ON5

116Hz

ON5

124Hz

ON5

144Hz

ON5

158Hz

ON5

166Hz

ON5

176Hz

ON5

188Hz

ON5

202Hz

ON5

210Hz

ON5

Initial step

Notes:

1. INV : Inverter compressor

STD : Standard compressor

Figures after ON represent the number of STD compressors in operation.

2. “Master unit”, and “slave unit” in this section are the names for control, and they will be transferred according to the

priority of rotation system.

3. Depending on the operating conditions of compressors, the compressors may run in patterns other than those

aforementioned.

REYQ46PY1, 48PY1 (14/16+16+16HP)

(To increase Step No.)

STEP

No.

unit 1

INV

unit 2

INV

unit 3

INV

STD

52Hz

56Hz

62Hz

66Hz

68Hz

70Hz

74Hz

80Hz

88Hz

96Hz

104Hz

110Hz

116Hz

124Hz

80Hz

ON1

88Hz

ON1

96Hz

ON1

104Hz

ON1

116Hz

ON1

124Hz

ON1

132Hz

ON1

88Hz

ON2

96Hz

ON2

104Hz

ON2

124Hz

ON2

144Hz

ON2

92Hz

ON3

104Hz

ON3

116Hz

ON3

124Hz

ON3

144Hz

ON3

96Hz

ON4

104Hz

ON4

116Hz

ON4

124Hz

ON4

144Hz

ON4

96Hz

ON5

104Hz

ON5

116Hz

ON5

124Hz

ON5

144Hz

ON5

96Hz

ON6

104Hz

ON6

116Hz

ON6

124Hz

ON6

144Hz

ON6

158Hz

ON6

166Hz

ON6

176Hz

ON6

188Hz

ON6

202Hz

ON6

210Hz

ON6

Initial step

Содержание VRV III REYQ8PY1

Страница 1: ...REYQ8 48PY1 R 410A Heat Recovery 50Hz Si37 701...

Страница 2: ...3 BS Units 47 Part 3 Refrigerant Circuit 49 1 Refrigerant Circuit 50 1 1 REYQ8P 10P 12P 50 1 2 REYQ14P 16P 52 1 3 REMQ8PY1 Multi 8HP 54 1 4 REMQ10PY1 12PY1 Multi 10 12HP 56 1 5 REMQ14PY1 16PY1 Multi...

Страница 3: ...Compressor Overload Protection 131 5 Other Control 132 5 1 Backup Operation 132 5 2 Demand Operation 132 5 3 Heating Operation Prohibition 132 6 Outline of Control Indoor Unit 133 6 1 Operation Flow...

Страница 4: ...of Capacity Determination Device 245 3 9 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger 246 3 10 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 247 3 11 C9 Indoor Unit Mal...

Страница 5: ...tdoor Unit Inverter Over Ripple Protection 298 3 42 P4 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise Sensor 300 3 43 PJ Outdoor Unit Faulty Field Setting after Replacing Main PC...

Страница 6: ...ng Diagrams for Reference 372 2 1 Outdoor Unit 372 2 2 Field Wiring 377 2 3 Indoor Unit 380 2 4 BS Unit 395 3 List of Electrical and Functional Parts 396 3 1 Outdoor Unit 396 3 2 Indoor Side 401 4 Opt...

Страница 7: ...lug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipmen...

Страница 8: ...e applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or...

Страница 9: ...ce valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves a...

Страница 10: ...shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage...

Страница 11: ...ies Heat Recovery 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 th...

Страница 12: ...1 General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 4 3 Combination of Outdoor Units 5 4 Model Selec...

Страница 13: ...ssette Type FXZQ 20M8 25M8 32M8 40M8 50M8 V1B Ceiling Mounted Cassette Corner Type FXKQ 25MA 32MA 40MA 63MA VE Slim Ceiling Mounted Duct Type FXDQ PVE 20P 25P 32P FXDQ PVET 20P 25P 32P FXDQ NAVE 20NA...

Страница 14: ...5M8 FXZQ32M8 FXZQ40M8 FXZQ50M8 Wall Mounted Type FXAQ20MA FXAQ25MA FXAQ32MA FXAQ40MA FXAQ50MA FXAQ63MA Ceiling Mounted Cassette Corner Type FXKQ25MA FXKQ32MA FXKQ40MA FXKQ63MA Floor Standing Type FXLQ...

Страница 15: ...28P REYQ8P 10P 12P 14P 16P 8 10 12 14 16 HP 22 4 40 0 45 0 kW 26 28 HP 73 0 78 5 kW REYQ30P 32P REYQ34P 36P 38P 40P 30 32 HP 85 0 90 0 kW 42 44 HP 118 124 kW 46 48 HP 130 135 kW REYQ18P 20P 22P 24P 18...

Страница 16: ...is required System Capacity Number of units Single Unit Outdoor Unit Multi Connection Piping Kit Option 8 10 12 14 16 8HP 1 10HP 1 12HP 1 14HP 1 16HP 1 System Capacity Number of units Multi Unit Modu...

Страница 17: ...4P Outdoor unit 1 REMQ10P REMQ12P REMQ10P REMQ12P REMQ14P REMQ16P REMQ8P Outdoor unit 2 REMQ12P REMQ12P REMQ16P REMQ16P REMQ16P REMQ16P REMQ10P Outdoor unit 3 REMQ16P Total number of connectable indoo...

Страница 18: ...d Cassette Type Multi Flow FXFQ 25M 32M 40M 50M 63M 80M 100M 125M 600 600 Ceiling Mounted Cassette Type Multi Flow FXZQ 20M8 25M8 32M8 40M8 50M8 V1B Ceiling Mounted Cassette Corner Type FXKQ 25MA 32MA...

Страница 19: ...ualizer oil pipe for multi outdoor unit system z NONE z YES Procedure for calculating refrigerant refilling quantity z Refilling quantity due to piping length Adjustment quantity according to models o...

Страница 20: ...Si37 701 Specifications 9 Part 2 Specifications 1 Specifications 10 1 1 Outdoor Units 10 1 2 Indoor Units 21 1 3 BS Units 47...

Страница 21: ...ber of Units kW 1 0 4 5 2 2 4 5 Starting Method Soft Start Soft Start Fan Type Propeller Fan Propeller Fan Motor Output kW 0 35 2 0 35 2 Air Flow Rate I s 3 166 3 166 m min 190 190 Drive Direct Drive...

Страница 22: ...7980 Motor Output Number of Units kW 3 3 4 5 3 8 3 8 Starting Method Soft Start Soft Start Fan Type Propeller Fan Propeller Fan Motor Output kW 0 35 2 0 75 2 Air Flow Rate I s 3 500 3 916 m min 210 2...

Страница 23: ...n Coil Comp Type Hermetically Sealed Scroll Type Piston Displacement m h 16 90 16 90 Number of Revolutions r p m 7980 7980 Motor Output Number of Units kW 4 4 4 4 Starting Method Soft Start Fan Type P...

Страница 24: ...300 2900 7980 Motor Output Number of Units kW 2 2 4 5 1 4 7 1 3 5 4 5 1 4 7 1 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Output kW 0 75 1 0 75 1 0 75 1 0 75 1 Air...

Страница 25: ...6300 2900 2 Motor Output Number of Units kW 3 5 4 5 1 2 2 4 5 1 3 5 4 5 2 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Output kW 0 75 1 0 75 1 0 75 2 Air Flow Rate...

Страница 26: ...900 6300 2900 2900 6300 2900 Motor Output Number of Units kW 3 2 4 5 4 5 1 2 2 4 5 1 3 2 4 5 4 5 1 3 5 4 5 1 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Output kW...

Страница 27: ...300 2900 2900 2 Motor Output Number of Units kW 3 2 4 5 4 5 1 1 9 4 5 4 5 1 3 2 4 5 4 5 2 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Output kW 0 35 2 0 35 2 0 35...

Страница 28: ...6300 2900 2900 6300 2900 7980 Motor Output Number of Units kW 3 2 4 5 4 5 1 2 2 4 5 1 4 7 1 3 2 4 5 4 5 1 3 5 4 5 1 4 7 1 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Mo...

Страница 29: ...2 6300 2900 2900 6300 2900 2 Motor Output Number of Units kW 3 2 4 5 4 5 1 3 5 4 5 1 2 2 4 5 1 3 2 4 5 4 5 1 3 5 4 5 2 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor...

Страница 30: ...6300 2900 6300 2900 2900 2 6300 2900 Motor Output Number of Units kW 3 2 4 5 4 5 1 2 2 4 5 1 3 2 4 5 4 5 2 3 5 4 5 1 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Ou...

Страница 31: ...0 3 6300 2900 2900 3 Motor Output Number of Units kW 3 2 4 5 4 5 2 1 9 4 5 4 5 1 3 2 4 5 4 5 3 Starting Method Soft start Soft start Fan Type Propeller fan Propeller fan Motor Output kW 0 35 2 0 35 2...

Страница 32: ...ss Wool Urethane Foam Piping Connections Liquid Pipes mm 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection Gas Pipes mm 12 7 Flare Connection 12 7 Flare Connection 12...

Страница 33: ...lass Wool Urethane Foam Piping Connections Liquid Pipes mm 6 4 Flare Connection 9 5 Flare Connection 9 5 Flare Connection 9 5 Flare Connection Gas Pipes mm 12 7 Flare Connection 15 9 Flare Connection...

Страница 34: ...ulation Material Polyurethane Form Polyurethane Form Polyurethane Form Polyurethane Form Piping Connections Liquid Pipes mm 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Connection 6 4 Flare Con...

Страница 35: ...Thermal Insulation Material Polyurethane Form Polyurethane Form Polyurethane Form Polyurethane Form Piping Connections Liquid Pipes mm 9 5 Flare Connection 9 5 Flare Connection 9 5 Flare Connection 9...

Страница 36: ...at for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Foamed Polystyrene Foamed Polyethylene Piping Conne...

Страница 37: ...Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Sound Absorbing Thermal Insulation Material Foamed Pol...

Страница 38: ...nnection 6 4 Flare Connection 6 4 Flare Connection 9 5 Flare Connection Gas Pipes mm 12 7 Flare Connection 12 7 Flare Connection 12 7 Flare Connection 15 9 Flare Connection Drain Pipe mm VP25 External...

Страница 39: ...75 141 m min 9 5 7 5 9 5 7 5 10 5 8 5 cfm 335 265 335 265 371 300 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Th...

Страница 40: ...66 275 216 m min 10 5 8 5 12 5 10 0 16 5 13 0 cfm 371 300 441 353 583 459 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microproc...

Страница 41: ...62 1 Air Flow Rate H L m min 9 5 7 5 9 5 7 5 10 5 8 5 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for...

Страница 42: ...1 130 1 Air Flow Rate H L m min 10 5 8 5 12 5 10 0 16 5 13 0 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermo...

Страница 43: ...ate H L I s 133 106 133 106 133 106 m min 9 5 7 5 9 5 7 5 10 5 8 5 cfm 282 226 282 226 282 226 External Static Pressure Pa 44 15 5 44 15 5 44 15 5 Drive Direct Drive Direct Drive Direct Drive Temperat...

Страница 44: ...435 0 435 0 435 Fan Type Twin Sirocco Fan Twin Sirocco Fan Twin Sirocco Fan Twin Sirocco Fan Motor Output W 290 490 490 655 Air Flow Rate l s 590 815 925 1070 cfm 1250 1726 1959 2266 External Static...

Страница 45: ...0 1 210 910 500 1 410 910 Coil Cross Fin Coil Rows Stages Fin Pitch mm 2 22 2 0 3 22 2 0 3 22 2 0 Face Area m 0 443 0 443 0 54 Fan Type Twin Sirocco Fan Twin Sirocco Fan Twin Sirocco Fan Motor Output...

Страница 46: ...irect Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and...

Страница 47: ...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...

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

Страница 49: ...s 233 191 233 191 233 191 325 266 m min 14 11 5 14 11 5 14 11 5 19 5 16 cfm 494 406 494 406 494 406 688 565 External Static Pressure 50Hz Pa 157 118 4 157 118 4 157 118 4 157 108 4 Drive Direct Drive...

Страница 50: ...tput Number of Units W 270 1 430 1 380 2 380 2 Air Flow Rate H L I s 483 383 600 483 966 833 1 200 1 033 m min 29 23 36 29 58 50 72 62 cfm 1 024 812 1 271 1 024 2 047 1 765 2 542 2 189 External Static...

Страница 51: ...883 688 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat...

Страница 52: ...5 4 5 8 5 9 5 5 cfm 265 159 282 177 318 194 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and...

Страница 53: ...min 12 9 15 12 19 14 cfm 424 318 530 424 671 494 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooli...

Страница 54: ...fm 247 212 247 212 282 212 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Micropro...

Страница 55: ...6 12 cfm 388 300 494 388 565 424 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating Mi...

Страница 56: ...6 8 6 cfm 247 212 247 212 282 212 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and Heating...

Страница 57: ...5 14 11 16 12 cfm 388 300 494 388 565 424 Drive Direct Drive Direct Drive Direct Drive Temperature Control Microprocessor Thermostat for Cooling and Heating Microprocessor Thermostat for Cooling and...

Страница 58: ...m C1220T brazing connection 1 9 5mm C1220T brazing connection 9 5mm C1220T brazing connection Gas Pipes 15 9mm C1220T brazing connection 1 15 9mm C1220T brazing connection 2 22 2mm C1220T brazing conn...

Страница 59: ...Specifications Si37 701 48 Specifications...

Страница 60: ...52 1 3 REMQ8PY1 Multi 8HP 54 1 4 REMQ10PY1 12PY1 Multi 10 12HP 56 1 5 REMQ14PY1 16PY1 Multi 14 16HP 58 1 6 BS Unit Functional Parts 60 1 7 Indoor Units 61 2 Functional Parts Layout 62 2 1 REYQ8P 10P 1...

Страница 61: ...hen pressure increases to stop operation and avoid high pressure increase in the fault operation 23 S2PH HP pressure switch For STD 24 Pressure regulating valve Liquid pipe This is used when pressure...

Страница 62: ...ipe Dual Pressure Gas Pipe Liquid Pipe Subcool Heat Exchanger 2 Subcool Heat Exchanger 1 Heat Exchanger 2 Heat Exchanger 1 STD S2PH Stop Valve Stop Valve Stop Valve Gauge Port Left Gauge Port 19 18 46...

Страница 63: ...ressure increases to stop operation and avoid high pressure increase in the fault operation 24 Pressure regulating valve Liquid pipe This is used when pressure increases to prevent any damage on compo...

Страница 64: ...tion Pipe Stop Valve Stop Valve Stop Valve Gauge Port 50 26 48 8 45 46 18 19 23 33 28 2 41 40 26 39 37 10 35 36 20 12 22 31 3 7 38 17 5 13 25 27 30 16 32 1 21 29 14 15 28 24 9 47 6 4 11 Liquid Pipe IN...

Страница 65: ...sure increase in the fault operation 22 Pressure regulating valve Liquid pipe This is used when pressure increases to prevent any damage on components caused by pressure increase in transport or stora...

Страница 66: ...cuit 55 REMQ8PY1 S1NPH INV S1PH 7 S2NPL Stop Valve Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Dual Pressure Gas Pipe Stop Valve Suction Pipe Gauge Port 22 15 36 35 37 23 11 38 24 39 4 17 10 16...

Страница 67: ...ressure increase in the fault operation 20 S2PH HP pressure switch For STD compressor 1 22 Pressure regulating valve Liquid pipe This is used when pressure increases to prevent any damage on component...

Страница 68: ...0PY1 12PY1 40 7 9 6 Stop Valve Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Dual Pressure Gas Pipe Stop Valve Suction Pipe Gauge Port 22 15 36 35 37 23 11 38 24 39 4 10 17 16 8 31 26 19 20 18 32...

Страница 69: ...e fault operation 20 S2PH HP pressure switch For STD compressor 1 21 S3PH HP pressure switch For STD compressor 2 22 Pressure regulating valve Liquid pipe This is used when pressure increases to preve...

Страница 70: ...1 40 22 17 10 16 19 32 1 2 3 13 12 25 11 23 34 33 20 30 4 9 6 7 24 38 39 5 15 35 37 21 26 27 28 29 8 31 18 36 Stop Valve Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Dual Pressure Gas Pipe Stop V...

Страница 71: ...ve EVHS Y2E Opens while in heating operation or all indoor units are in cooling operation Max 480pls 4 Electronic expansion valve EVLS Y3E Opens while in cooling operation Max 480pls 5 Electronic expa...

Страница 72: ...eated degree of gas when cooling and subcooled degree when heating Max 2000 pls Suction air thermistor R1T Used for thermostat control Liquid pipe thermistor R2T Used to control superheated degree of...

Страница 73: ...62 Refrigerant Circuit 2 Functional Parts Layout 2 1 REYQ8P 10P 12P Plan Front View Note For reference numbers refer to page 50 19 18 11 23 10 17 34 33 12 22 16 13 14 15 4 36 46 47 48 42 45 6 8 9 2 40...

Страница 74: ...l Parts Layout Refrigerant Circuit 63 2 2 REYQ14P 16P Plan Front View Note For reference numbers refer to page 52 19 18 11 23 10 17 33 32 22 12 16 15 13 14 36 46 47 48 41 45 4 9 6 8 2 35 1 31 39 37 30...

Страница 75: ...Parts Layout Si37 701 64 Refrigerant Circuit 2 3 REMQ8P Plan Front View Note For reference numbers refer to page 54 REFRIGERANT REGULATOR 11 7 9 25 19 32 31 10 8 18 40 38 16 15 36 37 39 35 12 13 4 6...

Страница 76: ...nal Parts Layout Refrigerant Circuit 65 2 4 REMQ10P 12P Plan Front View Note For reference number refer to page 56 REFRIGERANT REGULATOR 11 7 9 25 20 19 33 31 31 10 8 18 40 38 16 15 36 37 39 35 12 13...

Страница 77: ...out Si37 701 66 Refrigerant Circuit 2 5 REMQ14P 16P Plan Front View Note For reference number refer to page 58 REFRIGERANT REGULATOR 11 7 9 25 19 20 21 34 33 32 8 18 40 38 31 10 2 3 30 17 4 5 6 16 36...

Страница 78: ...ction Pipe Liquid Pipe Equalizing Pipe Refrigerant Regulator Equalizing Pipe Stop Valve Stop Valve Stop Valve Left Right One Body Type High temperature high pressure gas High temperature high pressure...

Страница 79: ...BS Unit Suction Pipe Fan OFF Indoor unit Operation Fan ON ON Fan LL ON 192pls 192pls OFF S1NPH S2NPL HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ HPS EVM EVT Tdi Tb Tg T...

Страница 80: ...e Gas Pipe Liquid Pipe BS Unit Suction Pipe 192pls S1NPH S2NPL INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ STD HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta High...

Страница 81: ...quid Pipe BS Unit Suction Pipe S1NPH S2NPL HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta STD INV High temperature high pr...

Страница 82: ...EVSC Indoor Unit Heating Unit BS Unit Suction Pipe Fan LL ON S1NPH INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta S2NP...

Страница 83: ...uction Pipe EVH EVL EVHS EVLS EVSC Heating Unit S1NPH S2NPL INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta STD High te...

Страница 84: ...re Gas Pipe Liquid Pipe Liquid Pipe BS Unit BS Unit Suction Pipe Suction Pipe 0pls 0pls S1NPH S2NPL HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ HPS EVM EVT Tdi Tb Tg Tsc...

Страница 85: ...Pressure Gas Pipe Liquid Pipe Liquid Pipe BS Unit BS Unit Suction Pipe Suction Pipe 0pls 0pls S1NPH INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ STD HPS EVM EVT Tdi...

Страница 86: ...e Liquid Pipe BS Unit Suction Pipe Fan OFF Indoor unit Operation Fan ON ON Fan ON ON OFF INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ INV HPS EVM EVT Tdi Tb Tg Tsc Ts...

Страница 87: ...ssure Gas Pipe BS Unit BS Unit Suction Pipe Suction Pipe INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ INV HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta S1NPH S2NP...

Страница 88: ...e Gas Pipe Liquid Pipe BS Unit Suction Pipe 192pls S1NPH S2NPL INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ INV HPS EVM EVT Tdi Tb Tg Tsc Tsh 20SA SVE TS_A Tf Ta High...

Страница 89: ...quid Pipe BS Unit Suction Pipe Fan OFF Indoor unit Operation Fan ON ON Fan ON ON 192pls OFF S1NPH S2NPL INV HPS EVM EVT 20SB Tdi Tb Tg Tsc Tsh TL SVP 20SA SVE TS_A Tf SVL SVO SVG EVJ INV HPS EVM EVT T...

Страница 90: ...e gas High temperature high pressure liquid Low temperature low pressure Stop Valve Stop Valve Stop Valve Left Right One Body Type Suction Pipe Liquid Pipe Equalizing Pipe Refrigerant Regulator Equali...

Страница 91: ...ature high pressure gas High temperature high pressure liquid Low temperature low pressure Stop Valve Stop Valve Stop Valve Left Right One Body Type Suction Pipe Liquid Pipe Equalizing Pipe Refrigeran...

Страница 92: ...L EVHS EVLS EVSC EVH EVL EVHS EVLS EVSC Indoor Unit Cooling Unit Thermostat ON Thermostat ON Heating Unit EVH EVL EVHS EVLS EVSC Heating Unit Dual Pressure Gas Pipe Liquid Pipe BS Unit Suction Pipe 0p...

Страница 93: ...igh temperature high pressure liquid Low temperature low pressure Stop Valve Stop Valve Stop Valve Left Right One Body Type Suction Pipe Liquid Pipe Equalizing Pipe Refrigerant Regulator Equalizing Pi...

Страница 94: ...SVO SVL SVG EVJ INV HPS EVM EVT Tdi Tb Tg Tsc TS_A Tsh INVFAN TL S1 HPS Tds1 20SA SVE Tf EVJ SVO SVL SVG SVP SVT S2NPL S1NPH S2NPL Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Suction Pipe Stop...

Страница 95: ...n ON Theromstat OFF Operation ON Theromstat ON EVH EVL EVHS EVLS EVSC Heating Unit EVH EVL EVHS EVLS EVSC Heating Unit Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Suction Pipe Stop Valve Dual Pr...

Страница 96: ...romstat ON Operation ON Theromstat ON Operation ON Theromstat OFF EVH EVL EVHS EVLS EVSC Heating Unit EVH EVL EVHS EVLS EVSC Heating Unit Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Suction Pipe...

Страница 97: ...Theromstat OFF EVH EVL EVHS EVLS EVSC Cooling Unit EVH EVL EVHS EVLS EVSC Cooling Unit Operation ON Theromstat ON Operation OFF Liquid Pipe Stop Valve Equalizing Pipe Stop Valve Suction Pipe Stop Valv...

Страница 98: ...e Dual Pressure Gas Pipe Stop Valve Refrigerant Regulator Gauge Port Equalizing Pipe Stop Valve Suction Pipe Stop Valve Refrigerant Regulator Dual Pressure Gas Pipe Stop Valve High temperature high pr...

Страница 99: ...eration ON Theromstat ON Operation ON Theromstat OFF Operation ON Theromstat ON EVH EVL EVHS EVLS EVSC Heating Unit EVH EVL EVHS EVLS EVSC Heating Unit 224pls Liquid Pipe Stop Valve Equalizing Pipe St...

Страница 100: ...Dual Pressure Gas Pipe Stop Valve Refrigerant Regulator Gauge Port Equalizing Pipe Stop Valve Suction Pipe Stop Valve Refrigerant Regulator Dual Pressure Gas Pipe Stop Valve High temperature high pre...

Страница 101: ...Dual Pressure Gas Pipe Stop Valve Refrigerant Regulator Gauge Port Equalizing Pipe Stop Valve Suction Pipe Stop Valve Refrigerant Regulator Dual Pressure Gas Pipe Stop Valve High temperature high pres...

Страница 102: ...gulating valve Refrigerant regulator The circuit will be closed when SVL SVO SVG are all closed In this case the increased pressure in the refrigerant regulator will be transferred to the liquid refri...

Страница 103: ...em pressure Finally EVH and EVHS are opened and the electric expansion valve of the indoor unit is opened to start the operation as a heating circuit In cooling operation In equalization To heating op...

Страница 104: ...VLS are opened and the electric expansion valve of the indoor unit is opened to start the operation as a cooling circuit In heating operation In equalization To cooling operation BS Unit Indoor Unit H...

Страница 105: ...Refrigerant Flow for Each Operation Mode Si37 701 94 Refrigerant Circuit...

Страница 106: ...topping Operation 123 4 Protection Control 124 4 1 High Pressure Protection Control 124 4 2 Low Pressure Protection Control 126 4 3 Discharge Pipe Protection Control 128 4 4 Inverter Protection Contro...

Страница 107: ...eat exchanger Y5E Subcooling2 EVJ Y4E Y2E Electronic expansion valve at the refrigerant charge port HTDi Value of INV compressor discharge pipe temperature compensated with outdoor air temperature HTD...

Страница 108: ...s pipe1 R5T Temperature detected with the subcooling heat exchanger outlet thermistor R13T Gas pipe2 Tl R6T Liquid pipe1 R6T Liquid pipe temperature detected with the liquid pipe thermistor R14T Liqui...

Страница 109: ...over Malfunction Stand by Thermostat ON After completion of startup control Cooling startup Heating startup Thermostat ON Operation mode changeover No Yes Mode changeover Operation mode changeover Mal...

Страница 110: ...OFF Outdoor unit heat exchanger Condenser OFF Outdoor unit heat exchanger Evaporator ON Outdoor unit heat exchanger Condenser OFF Outdoor unit heat exchanger Evaporator ON Y9S Four way valve High low...

Страница 111: ...nding on Te setting operating frequency etc On multi outdoor unit systems this control is made according to values of the first priority unit which is detected with the pressure sensor Te setting L M...

Страница 112: ...s in any of Pattern 1 through Pattern 3 according to the rotation of outdoor units REYQ22P 24P Pattern 1 Pattern 2 Pattern 3 INV STD1 No 2 No 4 No 1 No 3 REYQ26P 28P INV STD1 No 1 No 3 INV STD1 STD2 N...

Страница 113: ...TD1 STD2 No 3 No 6 No 9 No 2 No 5 No 8 No 1 No 4 No 7 INV STD1 STD2 No 1 No 4 No 7 No 3 No 6 No 9 No 2 No 5 No 8 INV STD1 STD2 No 2 No 5 No 8 No 1 No 4 No 7 No 3 No 6 No 9 REYQ42P 44P INV STD1 No 1 No...

Страница 114: ...z 4 68Hz 5 74Hz 6 80Hz 7 88Hz 8 96Hz 9 104Hz 10 110Hz 11 116Hz 12 124Hz 13 132Hz 14 144Hz 15 158Hz 16 166Hz 17 176Hz 18 188Hz 19 202Hz 20 210Hz 21 52Hz ON 22 62Hz ON 23 68Hz ON 24 74Hz ON 25 80Hz ON 2...

Страница 115: ...33 116Hz 116Hz ON 34 124Hz 124Hz ON 35 132Hz 132Hz ON 36 144Hz 144Hz ON 37 158Hz 158Hz ON 38 176Hz 176Hz ON 39 188Hz 188Hz ON 40 202Hz 202Hz ON 41 210Hz 210Hz ON REYQ22PY1 24PY1 10 12 12HP To increas...

Страница 116: ...74Hz ON3 41 92Hz 92Hz ON3 42 104Hz 104Hz ON3 43 116Hz 116Hz ON3 44 124Hz 124Hz ON3 45 144Hz 144Hz ON3 46 158Hz 158Hz ON3 47 166Hz 166Hz ON3 48 176Hz 176Hz ON3 49 188Hz 188Hz ON3 50 202Hz 202Hz ON3 51...

Страница 117: ...z 116Hz ON3 30 124Hz 124Hz 124Hz ON3 31 144Hz 144Hz 144Hz ON3 32 158Hz 158Hz 158Hz ON3 33 166Hz 166Hz 166Hz ON3 34 176Hz 176Hz 176Hz ON3 35 188Hz 188Hz 188Hz ON3 36 202Hz 202Hz 202Hz ON3 37 210Hz 210H...

Страница 118: ...12 16 16HP To increase Step No STEP No unit 1 INV unit2 INV unit3 INV STD 1 52Hz 52Hz 52Hz 2 56Hz 56Hz 56Hz 3 62Hz 62Hz 62Hz 4 66Hz 66Hz 66Hz 5 68Hz 68Hz 68Hz 6 70Hz 70Hz 70Hz 7 74Hz 74Hz 74Hz 8 80Hz...

Страница 119: ...hanges Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity precedence mode SH Tg Te SH Evaporator outlet superhea...

Страница 120: ...using the outdoor unit fan to retain appropriate liquid pressure thus ensuring refrigerant circulation rate to be supplied to indoor units Hold the current step on outdoor unit fan 1 step on outdoor u...

Страница 121: ...or Right side Evaporator Outdoor unit Left side Evaporator Right side Condenser GR 25 GR 20 GR 25 GR 20 GR 15 GR 10 GR 15 GR 10 A1 A2 Outdoor unit Note 1 GR is a numeric value representing the current...

Страница 122: ...or 3 M3C Outdoor unit fan 1 M1F M1F STEP4 Ta 20 C OFF Ta 20 C STEP4 1step 15 sec When Pc_max 2 16 MPa 1step 15 sec When Pc_max 1 77 MPa Outdoor unit fan 2 M2F M2F Electronic expansion valve Main EVM Y...

Страница 123: ...ic expansion valve Refrigerant charge EVJ Y4E Y2E 80 pls 80 pls 80 pls Four way valve Heat exchanger switch 20SA Y2S Y9S Y3S When outdoor heat exchanger is evaporator ON When outdoor heat exchanger is...

Страница 124: ...tions The system starts heating operation with thermostat ON at a high load The system completes defrosting operation The system switches the operation mode from cooling to heating or simultaneous coo...

Страница 125: ...on Operation after oil return REYQ REMQ Compressor 1 M1C M1C 52Hz ON ON Subsequently constant low pressure control Maintain the number of compressors that were used before oil return operation 52Hz ON...

Страница 126: ...rized valve Thermo ON unit Normal opening degree Unit not in operation 192pls Thermo OFF unit Normal opening degree for forced thermostat ON Cooling BS unit actuator Elect symbol Oil return operation...

Страница 127: ...for oil return operation turn ON the STD compressor every 10 seconds up to 3 units at maximum Compressor 2 M2C M2C Compressor 3 M3C Outdoor unit fan 1 M1F M1F When outdoor unit heat exchanger is cond...

Страница 128: ...degree Unit not in operation 224 pls Thermo OFF unit Normal opening degree for forced thermostat ON Cooling BS unit actuator Elect symbol Oil return operation Electronic expansion vale EVH Y4E 0pls El...

Страница 129: ...OFF OFF Four way valve for high and low pressure gas pipe selection 20SB Y8S Y2S Holds Holds Electronic expansion valve main EVM Y1E Y3E Y1E 1375pls 0pls Electronic expansion valve subcooling EVT Y2E...

Страница 130: ...gerant regulator SVG Y1S Y1S 0pls 0pls Solenoid valve drain pipe of refrigerant regulator SVO Y7S Y7S 0pls 0pls Solenoid valve discharge pipe of refrigerant regulator SVT Y6S Y8S 0pls 0pls Cooling ind...

Страница 131: ...Compressor 3 M3C M3C Outdoor unit fan 1 M1F M1F Fan control Fan control Outdoor unit fan 2 M2F M2F Electronic expansion valve Main EVM Y1E Y3E Y1E 1375 pls 1375 pls Electronic expansion valve Supercoo...

Страница 132: ...pls Electronic expansion valve Refrigerant charge EVJ Y4E Y2E 80 pls 80 pls Four way valve Heat exchanger switch 20SA Y2S Y9S Y3S When outdoor heat exchanger is evaporator ON When outdoor heat exchan...

Страница 133: ...OFF Ta 30 C STEP4 Ta 30 C OFF Outdoor unit fan2 MF2 MF2 Ta 30 C STEP4 Ta 30 C OFF Ta 30 C STEP4 Ta 30 C OFF Electronic expansion valve Main EVM Y1E Y3E Y1E 0 pls Electronic expansion valve Supercooli...

Страница 134: ...cooling EVT Y2E Y5E Y3E 0 pls Electronic expansion valve Refrigerant charge EVJ Y4E Y2E 80 pls Four way valve Heat exchanger switch 20SA Y2S Y9S Y3S Holds Four way valve High low pressure gas pipe swi...

Страница 135: ...al Operation Pc_max 3 47MPa Pc_max 3 55MPa Pc_max 3 47MPa Pc_max 3 24MPa Pc_max 3 64MPa Upper limit compressor step max Max Step When occurring 3 times within 30 min HPS is activated without high pres...

Страница 136: ...e maximum value within the system Pc_max 2 94MPa Pc_max 3 42MPa Pc_max 3 31MPa Pc_max 3 31MPa Pc_max 3 64MPa When occurring 3 times within 30 min HPS is activated without high pressure standby thus ou...

Страница 137: ...alue within the system Pe_min 0 34MPa Pe_min 0 39MPa Pe_min 0 29MPa Pe_min 0 25MPa Pe_min 0 07MPa Pe_min 0 15MPa When occurring 4 times within 30 min the malfunction code E4 is output Normal Operation...

Страница 138: ...ion code E4 is output Normal Operation Upper limit compressor step max Max step Upper limit compressor step 2 step up Upper limit compressor step 1 step up During the control of low pressure protectio...

Страница 139: ...Tp 110 C HTdi 130 C or HTdi 135 C HTdi 120 C continues for 10 minutes or more or After 30 sec After 20 sec Frequency agreement Tp 135 C HTdi 110 C Tp 125 C 52Hz OFF OFF HTdi 120 C continues for 90 sec...

Страница 140: ...otection control Perform the following control of integrated as well as multi units for each INV compressor Normal operation During the control of inverter protection Inverter current value 14 7A INV...

Страница 141: ...peration During the control of fin temperature protection Tfin 81 C INV upper limit frequency max 210Hz Tfin 84 C INV Comp upper limit step 1 step up Tfin 81 C continues for 3 minutes Current status m...

Страница 142: ...ulting from failures of STD compressor such as locking STD compressor ON CT detection current value 15 0A STD compressor OFF for 30 min Demand to operate When occurring 3 times within 90 min the malfu...

Страница 143: ...compressor with operation disable setting made from operating and only operate other compressors On the system with 1 compressor REYQ8PY1 this emergency operation is not available 5 2 Demand Operation...

Страница 144: ...expansion valve Closed 20E MA OFF 52H Aux electric heater OFF 52H Humidifier OFF Mu Humidifier OFF Mu OFF ON a b Set temperature Suction air temperature a b 1 a b 0 5 is only available for the FXCQ FX...

Страница 145: ...in progress Swing flap Set wind direction Fan Operating with set air flow rate MF Electronic expansion valve Capacity control 20E 20E 20E Fan LL operation MF Fan Operating in L mode MF Fan Stop MF b a...

Страница 146: ...ar 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...

Страница 147: ...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 24 C and the suction temperature has changed from 18...

Страница 148: ...mation on page onward 6 2 3 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 149: ...value 0 C 27 C 25 C 30 C Set cooling heating temp Heating mode Cooling mode Control temp Differential value set to 1 C 26 C 24 5 C 29 C Set heating temp 27 C Set cooling temp Heating mode Cooling mod...

Страница 150: ...n the figure below 6 3 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...

Страница 151: ...set even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 6 3 4 When the Float Switch is Tripped and AF is Displayed on the Rem...

Страница 152: ...As T Remote controller set temp Suction air temp becomes samller SHS becomes higher Sub cooled degree control in heating operation This function is used to adjust the opening of the electronic expansi...

Страница 153: ...ied it returns 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 Temp...

Страница 154: ...is conducted by converting the heater temperature into the condensing pressure equivalent saturated temperature Tc according to the temperature detection through the high pressure sensor SINPH of the...

Страница 155: ...tat OFF 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 direct...

Страница 156: ...condition 2 is established the operations shown below will be conducted TH2 Temperature C detected with the gas thermistor TC High pressure equivalent saturated temperature Defrost ending or oil retu...

Страница 157: ...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 158: ...Operation 148 1 1 Installation Process 148 1 2 Procedure and Outline 149 1 3 Operation when Power is Turned On 167 2 Outdoor Unit PC Board Layout 168 3 Field Setting 169 3 1 Field Setting from Remote...

Страница 159: ...of the steps shown 3 Selection of Location 4 Inspecting and Handling the Unit 5 Placing the Unit 7 Field Wiring 6 Refrigerant Piping 8 Airtight Test and Vacuum Drying 9 Pipe Insulation 10 Checking of...

Страница 160: ...ester for other circuits than 200V or 240V circuit 1 Measure to be taken against decreased insulation resistance in the compressor If the compressor is left to stand for an extended period of time aft...

Страница 161: ...ntity System name Correction amount Ratio of total capacity of the connected indoor units to the rated capacity of the outdoor unit A Correction amount Model REYQ8 16PY1 3 6 kg Model REYQ18 20PY1 1 0k...

Страница 162: ...e refrigerant refilling Automatic judgment of piping length Before starting the normal operation after the completion of check operations make sure indoor and outdoor units normally operate Turn outdo...

Страница 163: ...ve The refrigerant charge port is connected to unit pipe When shipped the unit contains the refrigerant so use caution when attaching the charge hose Gauge manifold Charge hose valve To prevent entry...

Страница 164: ...s should be done after performing 1 2 3 Air Tight Test and Vacuum Drying Always insulate the liquid piping the HP LP gas piping the gas piping the equalizer pipe between the outdoor units for the outd...

Страница 165: ...inder Check whether the cylinder has a siphon pipe before charging and place the cylinder so that the refrigerant is charged in liquid form See the figure below Note Always use the proper refrigerant...

Страница 166: ...he 12HP type corresponds to the 12 7 diameter onsite piping using the accessory pipe Suction gas shutoff valve 25 4 The 8HP type corresponds to the 19 1 diameter onsite piping using the accessory pipe...

Страница 167: ...ith the hexagon wrench JISB4648 2 Securely tighten the valve until the shaft contacts the main body seal 3 Make sure to tighten the cap securely For the tightening torque refer to the item Tightening...

Страница 168: ...nce at Setting Mode 1 H1P off and set the MONITOR MODE H1P Blinking l h h h h h h 2 Press the SET button BS2 the number of times until the LED display matches that at right For checking the number of...

Страница 169: ...alfunction The refrigerant charge port is connected to the piping inside the unit When the unit is shipped from the factory the unit s internal piping is already charged with refrigerant so be careful...

Страница 170: ...llowing Refrigerant charging operation procedure as shown below and charge the remaining refrigerant of the additional charging amount For performing the refrigerant charging operation the push button...

Страница 171: ...ld pipings Refrigerant flow when charging Shutoff valve Service port Field pipings Refrigerant flow when charging Service port Shutoff valve Measuring device R 410A tank with siphon Charge hose Valve...

Страница 172: ...chapter 1 2 5 1 In case of a multi system turn on the power to all outdoor units in the refrigerant system To energize the crankcase heater make sure to turn on for 6 hours before starting operation T...

Страница 173: ...using the push button BS1 BS5 on the outdoor unit PC board A1P with the power on See 1 2 6 Onsite Settings STEP 3 Perform the check operation following the Check Operation Method below The system ope...

Страница 174: ...may become loud during operation And the LED display may change but these are not malfunctions During the check operation it is impossible to stop the unit from the remote controller When discontinue...

Страница 175: ...r unit PC board A1P when the system is one outdoor system Remove the line from the TO MULTI UNIT Q1 Q2 terminal UA The internal transmission wiring to TO MULTI UNIT Q1 Q2 for the single outdoor unit s...

Страница 176: ...S5 on the outdoor unit PC board A1P to make the necessary onsite settings See the Service Precautions label upper on the EL CONPO BOX lid for details on the positions and operating method of the push...

Страница 177: ...th of time before restarting the operation Once stopping the compressor will not restart in about 5 minutes even if the On Off button of the remote controller is pushed When the system operation is st...

Страница 178: ...or outdoor address etc Status Outdoor unit Test lamp H2P Blinks Can also be set during operation described above Indoor unit If ON button is pushed during operation described above the UH malfunction...

Страница 179: ...D LEDs display mode according to the setting 3 Mode setting switch Used to change mode 4 Local setting switch Used to make field settings MODE SET RETURN TEST RESET BS1 BS2 BS3 BS4 BS5 H1P H2P H3P H4P...

Страница 180: ...r a minimum of four seconds and the FIELD SET MODE is entered 2 Select the desired MODE NO with the button 3 During group control when setting by each indoor unit mode No 20 22 and 23 have been select...

Страница 181: ...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 settings...

Страница 182: ...h indoor unit mode No 20 22 and 23 have been selected push the BS8 BUTTON unit No and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group 5 Push the BS9 BUTTON set...

Страница 183: ...ly body thermostat Only remote controller thermostat 3 3 Display time to clean air filter calculation Set when filter sign is not to be displayed Display No display 4 12 22 0 Optional accessories outp...

Страница 184: ...all mounted type Floor standing type Concealed Floor standing type Multi flow Double flow Corner type FXFQ FXZQ FXCQ FXKQ FXDQ FDYQ FXSQ FXMQ FXHQ FXAQ FXLQ FXNQ Filter sign Ultra long life filter sig...

Страница 185: ...ted 5 Optional Output Switching Using this setting operation output signal and abnormal output signal can be provided Output signal is output between terminals K1 and K2 of customized wiring adapter a...

Страница 186: ...ce over 7 Fan Stop When Thermostat is OFF 9 Setting of operation mode to AUTO This setting makes it possible to change differential values for mode selection while in automatic operation mode The auto...

Страница 187: ...Case of FXFQ100 125 Caution 1 The air conditioner starts operation suddenly after power failure reset or the main power supply turned on again Consequently the user might be surprised with question f...

Страница 188: ...ing of the Static Pressure Selection for FXDQ model 17 Humidification When Heating Thermostat is OFF Setting to Humidification Setting turns ON the humidifier if suction temperature is 20 C or above a...

Страница 189: ...unit this setting is unnecessary 20 Individual Setting of Ventilation This is set to perform individual operation of heat reclaim ventilation using the remote controller central unit when heat reclai...

Страница 190: ...the selected group No 5 Press to return to the NORMAL MODE Note For wireless remote controller see the following For setting group No of HRV and wiring adaptor for other air conditioners etc refer to...

Страница 191: ...set and displayed by operation modes 0 through 19 ON OFF control impossible by remote controller Used when you want to turn on off by central remote controller only Cannot be turned on off by remote c...

Страница 192: ...l by remote controller Controlmode Operation OFF Temperature control Operation mode setting Unified operation individual operation by central remote controller or operation controlled by timer Unified...

Страница 193: ...29 198 202 3 Setting of demand operation 1 Used to place limits on the compressor operating frequency to control the upper limit of power consumption 1 Mode 1 of Demand 1 60 or less of rating 2 Mode 2...

Страница 194: ...oor unit s concerned and to conduct emergency operation of the system only with operable or outdoor unit s Make this setting while in Setting mode 2 For system with multiple outdoor units Set with No...

Страница 195: ...re parts PC board After the replacement by the spare PC board be sure to make settings shown below When you change the main PC board A1P to spare parts PC board please carry out the following setting...

Страница 196: ...S2 2 to ON 1 2 3 1 2 3 4 ON OFF 4 DS1 DS2 HEAT RECOVERY 14HP REYQ14PY1 Set DS1 3 DS2 1 and DS2 2 to ON 1 2 3 1 2 3 4 ON OFF 4 DS1 DS2 HEAT RECOVERY 16HP REYQ16PY1 Set DS1 3 DS2 1 and DS2 3 to ON 1 2 3...

Страница 197: ...14HP REYQ14PY1 Set DS1 4 DS2 1 and DS2 4 to ON 1 2 3 1 2 3 4 ON OFF 4 DS1 DS2 HEAT RECOVERY 16HP REYQ16PY1 Set DS1 4 DS2 1 and DS2 3 to ON 1 2 3 1 2 3 4 ON OFF 4 DS1 DS2 HEAT RECOVERY 8HP REYQ8PY1B S...

Страница 198: ...10PY1 HEAT RECOVERY 12HP REMQ12PY1 HEAT RECOVERY 14HP REMQ14PY1 HEAT RECOVERY 16HP REMQ16PY1 HEAT RECOVERY 8HP REMQ8PY1B HEAT RECOVERY 10HP REMQ10PY1B HEAT RECOVERY 12HP REMQ12PY1B HEAT RECOVERY 14HP...

Страница 199: ...n servicing the system e Monitor mode H1P blinks Used to check the program made in Setting mode 2 Mode changing procedure 1 LED display MODE H1P TEST H2P COOL HEAT select Low noise H6P Demand H7P Mult...

Страница 200: ...ess BS3 RETURN button Setting item selection SET button Setting mode 2 Set Select mode with BS2 SET button in each selection step Setting condition selection SET button Setting condition Contents disp...

Страница 201: ...mode other than that push the MODE BS1 button to set the system to Setting mode 1 Check the system for each condition through LED displays Refer to information in table on the right Pushing the RETUR...

Страница 202: ...tion Used to forcedly turn ON the ENECUT Be noted that the ENECUT is only functional with outdoor unit in the stopped state Japanese domestic model only 25 Setting of external low noise level Sets low...

Страница 203: ...oor unit is long in length refrigerant passing sounds may become louder at the time of BS Cool Heat selection This setting shortens the Cool Heat selection time of all BS units provided in the same re...

Страница 204: ...7887 High 8777888 9 Tc setting 8 7 7 8 7 7 8 Low 8777778 Normal factory setting 8777787 High 8777877 10 Defrost changeover setting 8 7 7 8 7 8 7 Slow defrost 8777778 Normal factory setting 8777787 Qui...

Страница 205: ...Demand setting 1 8 7 8 8 8 8 7 60 demand 8777778 70 demand 8777787 80 demand 8777877 32 Normal demand setting 8 8 7 7 7 7 7 OFF 8777778 Demand 1 8777787 Demand 2 8777877 38 Emergency operation Master...

Страница 206: ...7 7 7 8 7 8 6 Number of connected BS units 2 9 7 7 7 8 8 7 7 Number of connected zone units Fixed to 0 9 7 7 7 8 8 8 8 Number of outdoor units 3 9 7 7 8 7 7 7 9 Number of BS units 4 9 7 7 8 7 7 8 Lowe...

Страница 207: ...ddress 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 address is 22 The...

Страница 208: ...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 BS unit B COOL HEAT selector Branch wir...

Страница 209: ...e external control adaptor for outdoor unit is not required 1 While in Setting mode 2 select the setting condition i e Level 1 Level 2 or Level 3 for set item No 22 Setting of nighttime low noise leve...

Страница 210: ...target Approx 45 db target Note1 Above values are reference only measured in silent room Note2 Above values are for 1 module only Operation sound of level 2 Operation sound of level 1 Operation sound...

Страница 211: ...onstant demand to ON 2 While in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Description of setting Setting procedure Setting...

Страница 212: ...n the Normal demand setting 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 consum...

Страница 213: ...ion Setting contents Setting contents indication Initial setting H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P 12 External low noise Demand setting z z z z z z z...

Страница 214: ...on some solenoid valves Operating procedure c With Setting Mode 2 while the unit stops set Refrigerant recovery Vacuuming mode to ON The expansion valves of indoor and outdoor units fully open and so...

Страница 215: ...ed as follows While in heating or cooling heating concurrent operation One out of three connected outdoor units malfunctions Emergency operation is possible Two out of three connected outdoor units ma...

Страница 216: ...nce 8111191 5 Press the CHECK button BS3 twice 8111111 6 Press the PAGE button BS1 once 1181111 LED display 8 ON 1 OFF 9 Blink H1P H7P H8P Outdoor unit 1 1181111 8 Outdoor unit 2 1111111 9 Outdoor uni...

Страница 217: ...H1P H7P 1 Press and hold the PAGE button BS1 for 5 sec or more 8111111 2 Press the OPERATE button BS2 38 times 8811881 3 Press the CHECK button BS3 once 8111191 4 Press the OPERATE button BS2 once 81...

Страница 218: ...111111 2 Press the OPERATE button BS2 39 times 8811888 3 Press the CHECK button BS3 once 8111191 4 Press the OPERATE button BS2 once 8111119 Factory setting 5 Press the CHECK button BS3 twice 8111111...

Страница 219: ...eating prevention setting of every BS unit In this case enable the outdoor unit setting 3 2 11 Reduction of Cooling Heating Selection Time of BS Units Make this setting to reduce selection time betwee...

Страница 220: ...242 3 7 AF Indoor Unit Drain Level above Limit 244 3 8 AJ Indoor Unit Malfunction of Capacity Determination Device 245 3 9 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger 246 3 10 C5...

Страница 221: ...Unit Malfunction of Transmission between Inverter and Control PC Board 295 3 41 P1 Outdoor Unit Inverter Over Ripple Protection 298 3 42 P4 Outdoor Unit Malfunction of Inverter Radiating Fin Temperatu...

Страница 222: ...Centralized Control 337 4 3 MA Improper Combination of Optional Controllers for Centralized Control 338 4 4 MC Address Duplication Improper Setting 340 5 Troubleshooting OP Unified ON OFF Controller...

Страница 223: ...ystem is controlled so as not to put unreasonable loads on the system Normal operation The system will automatically start operation after a lapse of five minutes Pressing the TEMP ADJUST button immed...

Страница 224: ...tion Indoor and outdoor units After the completion of defrosting operation the system is switched to heating operation Defrosted moisture turns to be vapor and comes out from the units Normal operatio...

Страница 225: ...system is checking to be sure the remote controller is normal Normal operation This code is displayed for a period of approximately one minute at maximum 16 The outdoor unit compressor or the outdoor...

Страница 226: ...on 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 on...

Страница 227: ...lfunction code and malfunction contents Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF button for a period of five sec...

Страница 228: ...uct 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 confirmed...

Страница 229: ...Troubleshooting by Remote Controller Si37 701 218 Troubleshooting The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed...

Страница 230: ...Si37 701 Troubleshooting by Remote Controller Troubleshooting 219...

Страница 231: ...III Heat Recovery Series Display A A 1 A A 3 A 9 2 A A 5 A A A A A C A A E A 9 E Outdoor model code Model RSXYP RXYP RSEYP RSXYP L RXYQ M RXYQ MA RXYQ P RXQ P REYQ P Unit Malfunction code Inspection N...

Страница 232: ...wireless remote controller Mode 43 only can be set 2 Select the 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...

Страница 233: ...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 dir...

Страница 234: ...with a self diagnosis function so that more appropriate maintenance can be carried out If a malfunction occurs during operation the operation lamp malfunction code and display of malfunctioning unit N...

Страница 235: ...er current 257 E7 9 9 9 Malfunction of outdoor unit fan motor 258 E9 9 9 9 Malfunction of moving part of electronic expansion valve Y1E Y2E Y3E 261 F3 9 9 9 Abnormal discharge pipe temperature 263 F6...

Страница 236: ...e same system 322 UA 9 9 9 Improper combination of indoor and outdoor units indoor units and remote controller 323 UC 8 8 8 Address duplication of central remote controller 329 UE 9 9 9 Malfunction of...

Страница 237: ...al malfunction Abnormal outdoor temperature Ta sensor malfunction short circuited or open H9 Abnormal discharge pipe temperature Td malfunction F3 Abnormal heat exchanger temperature Refrigerant overc...

Страница 238: ...9 7 7 1 F6 9 7 9 9 7 9 7 7 7 7 9 7 7 9 9 F9 9 9 7 7 9 9 7 7 7 9 9 7 7 9 9 9 7 7 9 7 9 7 7 9 9 9 7 7 9 9 9 7 7 9 9 9 7 9 7 7 9 7 7 9 9 9 7 9 7 9 9 7 7 9 9 J2 9 7 9 9 7 9 7 7 9 7 9 7 7 7 7 9 7 7 1 9 7...

Страница 239: ...versed phase malfunction ON Abnormal power supply voltage Insufficient INV voltage U2 INV open phase single phase Abnormal charge of capacitor of INV main circuit Test run not carried out yet Test run...

Страница 240: ...9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 U7 9 7 9 9 9 9 7 7 7 7 9 7 7 9 9 9 7 7 7 7 9 7 9 9 9 9 7 7 7 7 9 9 7 9 9 9 7 7 7 7 9 9 9 9 9 9 7 7 7 9 9 7 7 9 9 9 7 7 7 9 9 7 9 9 9 9 7 7 7 9 9 9 7 9 9 9 7 7 7 9 9 9 9...

Страница 241: ...ls 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 Be...

Страница 242: ...ived 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 Troubleshooting Turn power supp...

Страница 243: ...on FXMQ200 250M Option FXAQ Option FXMQ MF Option Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the floa...

Страница 244: ...door 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...

Страница 245: ...tions When the fan revolutions do not increase Supposed Causes Broken wires in short circuit of or disconnection of connectors from the fan motor harness Faulty fan motor Broken wires or faulty insula...

Страница 246: ...6 7 Red FG Vsp Vcc GND Vdc Vdc 1 GND 2 3 3 FG 4 Vsp 1 2 5 Vcc Measuring point FG GND Vsp GND Vcc GND Vdc GND Criteria Not less than 1M Not less than 100k Not less than 100 Not less than 100k Judgment...

Страница 247: ...n at the maximum output voltage to the fan Supposed Causes Faulty indoor fan motor Broken wires Faulty contact Troubleshooting Is the power of approx 12VDC supplied between the Pins1 and 3 when the X2...

Страница 248: ...or the indoor unit fan turns ON while in operation Supposed Causes Faulty power supply for the indoor unit fan motor Clogged drain piping Actuation of the indoor unit safety device Faulty contact in t...

Страница 249: ...mit 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 energized for a specified amount o...

Страница 250: ...e 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...

Страница 251: ...electronic expansion valve main body by using microcomputer Malfunction Decision Conditions Pin input for electronic expansion valve coil is abnormal when initializing microcomputer Either of the foll...

Страница 252: ...on valve main body When power is supplied YES YES 1 How to check the coil of electronic expansion valve drive Remove the connector for electronic expansion valve X7A from PC board Measure the resistan...

Страница 253: ...Models Indoor units except FXFQ models Method of Malfunction Detection Check coil condition of electronic expansion valve by using microcomputer Malfunction Decision Conditions Pin input for electroni...

Страница 254: ...PC board Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred YES 1 How to check the coil of electronic expansion valve drive Remove the conn...

Страница 255: ...from ON to OFF while the compressor is in non operation Error code is displayed but the system operates continuously Supposed Causes Humidifier unit optional accessory leaking Defect of drain pipe upw...

Страница 256: ...s determined Malfunction Decision Conditions When the capacity code is not contained in the PC board s memory and the capacity setting adaptor is not connected Supposed Causes The capacity setting ada...

Страница 257: ...nning Supposed Causes Defect of thermistor R2T for liquid pipe Defect of indoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 Caution Be sure t...

Страница 258: ...d Causes Defect of indoor unit thermistor R3T for gas pipe Defect of indoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 Caution Be sure to tu...

Страница 259: ...running Supposed Causes Defect of indoor unit thermistor R1T for air inlet Defect of indoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 Caut...

Страница 260: ...ses Defect of remote controller thermistor Defect of remote controller PC board Troubleshooting Note 1 How to delete the record of malfunction codes Press the Operate Stop button for 4 seconds and mor...

Страница 261: ...hardware section between the indoor unit and the outdoor unit are not normal Supposed Causes Defect of outdoor unit PC board A1P Defective connection of inside outside relay wires Troubleshooting Turn...

Страница 262: ...of the high pressure protection switch opens Malfunction Decision Conditions Error is generated when the HPS activation count reaches the number specific to the operation mode Reference Operating pre...

Страница 263: ...pressure sensor The high pressure sensor is normal and the pressure detected with the PC board is also normal The high pressure has really become high CHECK 5 Referring to information on P350 remove...

Страница 264: ...Method of Malfunction Detection Abnormality is detected by the pressure value with the low pressure sensor Malfunction Decision Conditions Error is generated when the low pressure is dropped under com...

Страница 265: ...tion on P351 remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pres...

Страница 266: ...ignal from UVW line connected between the inverter and compressor and the malfunction is detected when any abnormality is observed in the phase current waveform Malfunction Decision Conditions This ma...

Страница 267: ...f wires Restart and check the operation Check if the condition occurs again Check if the start mode is in the high differential pressure not less than 0 5 MPa Check if the inverter output voltage betw...

Страница 268: ...he possible factors may be chattering due to rough MgS contact 2 Abnormal case The current sensor value is 0 during STD compressor operation The current sensor value is more than 15 0A during STD comp...

Страница 269: ...of rotation detected by hole IC during the fan motor operation Malfunction Decision Conditions Overcurrent is detected for INVERTER PC board A2P or fan INVERTER PC board A5P System down is caused by 4...

Страница 270: ...for how to check Check the connection status of the connectors Fan motor 1 relay connector or X1A X2A of compressor inverter PC board Fan motor 2 relay connector or X1A X2A of fan inverter PC board C...

Страница 271: ...ector of the fan motor NO Replace the corresponding fan motor YES Resistance value between the power supply wire terminal of fan motor and the motor frame metal is 1M and below NO Replace the correspo...

Страница 272: ...P 48P Method of Malfunction Detection Check disconnection of connector To be detected based on continuity existence of coil of electronic expansion valve Malfunction Decision Conditions No current is...

Страница 273: ...ic expansion valve is connected Replace the connecting cable Replace outdoor unit PC board A1P YES YES NO Ensure correct connection External factor other than malfunction for example noise etc NO The...

Страница 274: ...is detected according to the temperature detected by the discharge pipe temperature sensor Malfunction Decision Conditions When the discharge pipe temperature rises to an abnormally high level 135 C...

Страница 275: ...Discharge pipe thermister is normal and the temperature detection of the main PC board is also normal Actually the temperature of discharge pipe is high Check 3 Remove the factor of overheat operatio...

Страница 276: ...ment of the outside air thermistor Misalignment of the heat exchanging deicer thermistor Misalignment of the liquid pipe thermistor Troubleshooting Refer to Thermistor Resistance Temperature Character...

Страница 277: ...nit Method of Malfunction Detection This malfunction is detected by whether or not all coils of the electronic expansion valve have continuity Malfunction Decision Conditions When the power supply tur...

Страница 278: ...nector for the electronic expansion valve of the PC board concerned properly connected NO YES Is the resistance of the electronic expansion valve coil normal See 1 YES NO NO YES Turn OFF the power sup...

Страница 279: ...Applicable Models REYQ8P 48P Method of Malfunction Detection Detection of abnormal signal from fan motor Malfunction Decision Conditions In case of detection of abnormal signal at starting fan motor S...

Страница 280: ...e balanced Check the connector of the fan motor 1 Cut the power supply off 1 Check procedure for fan motor connector 1 Power OFF the fan motor 2 Remove the connector X2A or X4A on the PC board to meas...

Страница 281: ...connection Defect of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3070 Caution Be sure...

Страница 282: ...be occurred Is the current sensor mounted on the T phase A6P and R phase A8P wire Are the current sensors inversely connected to two STD compressors Is the connector for current sensor connected to X2...

Страница 283: ...Defect of outdoor unit PC board A1P Defect of thermistor connection Troubleshooting The alarm indicator is displayed when the fan is being used also Refer to Thermistor Resistance Temperature Charact...

Страница 284: ...on of thermistor Defective thermistor Defective outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3070 Caution Be sure to turn off power s...

Страница 285: ...R10T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Defect of thermistor connection Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3073 C...

Страница 286: ...R4T or R12T for outdoor unit coil Defect of outdoor unit PC board A1P Defect of thermistor connection Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3074 Ca...

Страница 287: ...Faulty outdoor unit PC board Defect of thermistor connection Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3075 Caution Be sure to turn off power switch bef...

Страница 288: ...Faulty outdoor unit PC board Defect of thermistor connection Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3075 Caution Be sure to turn off power switch bef...

Страница 289: ...g heat exchanger gas pipe thermistor R5T or R13T Faulty outdoor unit PC board Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table on P417 V3075 Caution Be sure to turn off...

Страница 290: ...ion Detection Malfunction is detected from the pressure detected by the high pressure sensor Malfunction Decision Conditions When the high pressure sensor is short circuit or open circuit Not less tha...

Страница 291: ...ain PC board Replace the high pressure sensor YES NO Replace the main PC board NO Replace the high pressure sensor YES NO Are the characteristics of the high pressure sensor normal Make a comparison b...

Страница 292: ...oubleshooting V2808 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Replace the main PC board Replace the low pressure sensor YES NO Rep...

Страница 293: ...Troubleshooting by Indication on the Remote Controller Si37 701 282 Troubleshooting 1 Voltage measurement point 2 Refer to Pressure Sensor Pressure Voltage Characteristics table on P419...

Страница 294: ...ed based on the current value during waveform output before starting compressor Malfunction is detected based on the value from current sensor during synchronous operation when starting the unit Malfu...

Страница 295: ...O NO YES YES NO Replace the lead wires Replace the compressor and compressor inverter PC board A2P at the same time Replace the inverter PC board A2P Replace the compressor inverter PC board A2P and f...

Страница 296: ...Controller Display L4 Applicable Models REYQ8P 48P Method of Malfunction Detection Fin temperature is detected by the thermistor of the radiation fin Malfunction Decision Conditions When the temperatu...

Страница 297: ...trol PC board 3 While in monitor mode check the outdoor unit concerned Single system Multi system Is the thermistor resistance normal NO YES Replace the thermistor Does the malfunction recur when the...

Страница 298: ...Si37 701 Troubleshooting by Indication on the Remote Controller Troubleshooting 287 Inverter PC board for compressor Refer to Thermistor Resistance Temperature Characteristics table on P417...

Страница 299: ...YQ8P 48P Method of Malfunction Detection Malfunction is detected from current flowing in the power transistor Malfunction Decision Conditions When an excessive current flows in the power transistor In...

Страница 300: ...YES NO NO YES YES YES YES NO NO Power OFF Check if the stop valve is open Check if the compressor lead wires are normal Check if the wiring and connection to the compressor are normal Insulation resis...

Страница 301: ...8P Method of Malfunction Detection Malfunction is detected by current flowing in the power transistor Malfunction Decision Conditions When overload in the compressor is detected Inverter secondary cur...

Страница 302: ...compressor is 100 k or below Compressor coils are disconnected Connect the compressor lead wires then restart the operation Check 4 Check if the power transistor is normal Malfunction code L8 is displ...

Страница 303: ...odels REYQ8P 48P Method of Malfunction Detection Detect the failure based on the signal waveform of the compressor Malfunction Decision Conditions Starting the compressor does not complete Supposed Ca...

Страница 304: ...nce of the compressor is more than 100k Check if the compressor lead wires are disconnected Go on to the next page Starting failure due to aged operation Charge a right amount of refrigerant Open the...

Страница 305: ...r more than 6 hours Check if the insulation resistance of the compressor is 100k or over Broken inside the compressor Cancel the sleeping state of refrigerant Replace the inverter compressor Replace t...

Страница 306: ...between inverter PC board and control PC board by micro computer Malfunction Decision Conditions When the correct communication is not conducted in certain period Supposed Causes Malfunction of connec...

Страница 307: ...to turn off power switch before connect or disconnect connector or parts damage may be occurred Are the connectors of the inverter PC board main PC board and sub PC board all securely connected Is th...

Страница 308: ...d malfunction code Not the LC malfunction Check the malfunction code again Replace the main PC board A1P Continue operation It is supposed that the malfunction results from causes such as instantaneou...

Страница 309: ...erter Consequently the increased ripple is detected Malfunction Decision Conditions When the resistance value of thermistor becomes a value equivalent to open or short circuited status Malfunction is...

Страница 310: ...oltage imbalance Even if the power supply voltage is not unbalanced when measuring it there are many cases where it gets unbalanced during nighttime around 6 00PM to 10 00PM No abnormalities are obser...

Страница 311: ...on button Supposed Causes Defect of radiator fin temperature sensor Defect of inverter PC board Faulty inverter compressor Faulty fan motor Troubleshooting Caution Be sure to turn off power switch bef...

Страница 312: ...Si37 701 Troubleshooting by Indication on the Remote Controller Troubleshooting 301 Inverter PC board for compressor Refer to Thermistor Resistance Temperature Characteristics table on P417...

Страница 313: ...troller Display PJ Applicable Models REYQ8P 48P Method of Malfunction Detection This malfunction is detected according to communications with the inverter Malfunction Decision Conditions Make judgment...

Страница 314: ...ace the control PC board 1 A1P or the control PC board 3 A3P With multi systems replace the main PC board A1P YES YES YES YES NO NO NO Caution Be sure to turn off power switch before connect or discon...

Страница 315: ...anger Malfunction Decision Conditions In cooling mode Low pressure becomes 0 1MPa or below In heating mode The degree of superheat of suction gas becomes 20 degrees and over SH Ts1 Te Ts1 Suction pipe...

Страница 316: ...place the thermister Replace the main PC board With individual systems replace the control PC board 1 A1P or the control PC board 3 A3P With multi systems replace the main PC board A1P NO NO YES Reset...

Страница 317: ...ply open phase Defect of outdoor PC board A1P Troubleshooting V2820 Operation is normal if one place of power supply line phase is replaced Fix the open phase Requires inspection of field power supply...

Страница 318: ...apacitor built in the inverter and power supply voltage Malfunction Decision Conditions When the voltage aforementioned is not less than 780V or not more than 320V or when the current limiting voltage...

Страница 319: ...e of the PC board Even if the PC board is replaced it may cause failure again To avoid that recheck the compressor for ground and for any broken wires Furthermore even after the completion of PC board...

Страница 320: ...ace it if necessary End of measures The malfunction may temporarily result from on site causes Causes Instantaneous power failure open phase noises or else YES YES YES YES YES NO NO NO NO NO Check for...

Страница 321: ...peration is not executed Troubleshooting V3052 Performs the chech operation again and completes the check operation When a leakage detection function is needed normal operation of charging refrigerant...

Страница 322: ...eck if the transmission between indoor unit and outdoor unit is correctly executed using microcomputer Malfunction Decision Conditions When transmission is not carried out normally for a certain amoun...

Страница 323: ...the voltage between RS terminals on the outdoor unit PC board is 200V The fuse on the outdoor unit PC board is blown Check if the normal condition monitor for the microcomputer HAP on the outdoor unit...

Страница 324: ...indication in 2 minutes and over The indoor units PC board indicating U9 are normal Check the indoor units in the other circuits to diagnose failure according to the corresponding malfunction codes St...

Страница 325: ...lers Defect of indoor unit 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 disconne...

Страница 326: ...lfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Connection error in connecting wires between outdoor unit and outdoor unit outs...

Страница 327: ...e slave unit 2 Go on to the Diagnosis Flow 5 Multi connection REYQ units Go on to the Diagnosis Flow 6 Erroneous manual address settings of the slave units 1 and 2 Go on to the Diagnosis Flow 7 Connec...

Страница 328: ...the outdoor unit main PC board NO YES NO Correct the connecting wiring with the outside control adapter Diagnosis Flow 1 Check if any disconnection or connection error is detected in connecting wires...

Страница 329: ...condition monitor LED for the outdoor unit main PC board blinks Check if the outdoor unit is powered on Check if the power supply wire for the external control adaptor for outdoor unit is connected to...

Страница 330: ...ires of Multi Slave 2 with outdoor multi Check if the wiring is disconnected or is about to be disconnected Check if the outdoor unit REYQ8 16PY1 is connected to multi system Check 3 Check the connect...

Страница 331: ...r unit Correct the connecting wires of the outdoor multi and then reset the power supply Diagnosis Flow 7 Diagnosis Flow 8 Check the connection status of one of the connecting wires of Outdoor Multi C...

Страница 332: ...continue 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 Troubles...

Страница 333: ...ion within or outside of other system Malfunction of electronic expansion valve in indoor unit of other system Defect of PC board of indoor unit in other system Improper connection of transmission wir...

Страница 334: ...erant between indoor and outdoor units The number of indoor units is out of the allowable range Incorrect signals are transmitted among the indoor unit BS unit and outdoor unit Malfunction Decision Co...

Страница 335: ...Check 4 To Diagnosis Flow 3 Faulty combination of outdoor units Check 3 Check 4 Check 3 Check 4 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be...

Страница 336: ...e main PC board of the outdoor unit With single systems replace the control PC board 1 A1P With multi systems replace the main PC board A1P Match the refrigerant types of the outdoor unit and the indo...

Страница 337: ...PC board Check if the unit is not connected to outdoor units of different models Check if the outdoor unit PC board is replaced with PC board for spare parts Check if the spare parts PC board setting...

Страница 338: ...del BSVQ P Replace the outdoor unit PC board as shown below With single systems replace the control PC board 1 A1P With multi systems replace the main PC board A1P Is the model BSVQ P connected Check...

Страница 339: ...t connector or parts damage may be occurred Diagnosis Flow 7 Diagnosis Flow 8 Correct the connection wiring Replace the BS unit PC board concerned Is the wiring between the BS units correct Check 3 Ch...

Страница 340: ...detects the same address as that of its own on any other indoor unit Malfunction Decision Conditions The malfunction decision is made as soon as the abnormality aforementioned is detected Supposed Ca...

Страница 341: ...ction Microcomputer checks if transmission between indoor unit and centralized controller is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount o...

Страница 342: ...length types of cables and wires number of units connected and others If no problems replace the indoor unit PC board NO YES Continued to A on the following page YES Check the indoor unit for which UE...

Страница 343: ...P 352 A Has the master unit central setting connector been connected NO Correct the wiring Abnormal Correct the connection of the connector NO YES YES Check the transmission wiring with the master uni...

Страница 344: ...operation Defect of indoor unit PC board Stop valve is left in closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than...

Страница 345: ...ndoor units REYQ8P 48P Method of Malfunction Detection Detect an indoor unit with no address setting Malfunction Decision Conditions The malfunction decision is made as soon as the abnormality aforeme...

Страница 346: ...t the outdoor outdoor unit transmission wiring to create the one system status and then check whether or not the system is normal NO Does a UH malfunction occur for all indoor units in the system YES...

Страница 347: ...t the same time Supposed Causes Defect of central remote controller PC board Defect of Intelligent Touch Controller PC board Defect of Schedule timer PC board Troubleshooting Replace the central remot...

Страница 348: ...e power supply of the central equipment Replace Ve Up controller Set the Reset switch located inside of equipment SS1 been set to the Normal side Replace the central equipment Correct the wiring Some...

Страница 349: ...ction Detection 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...

Страница 350: ...tral connector is connected and then reset power supplies of every central equipment Disconnect the master unit central setting connector and connect this connector to different central equipment and...

Страница 351: ...very central equipment Reset the power supplies of every central equipment Replace the central equipment Central equipment Normal It is supposed that the malfunction results from external factors e g...

Страница 352: ...indoor units Unified ON OFF controller Method of Malfunction Detection Detect the malfunction according to DIII NET transmission data Malfunction Decision Conditions Supposed Causes Malfunction of tr...

Страница 353: ...er controller disconnected Set the group No correctly Replace the central PC board Fix the wiring correctly Fix the wiring correctly Connect the connector correctly Replace the central PC board Reset...

Страница 354: ...zed 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 individual use mode ot...

Страница 355: ...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 su...

Страница 356: ...roller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Disconnect the connector for setting master controller from the master con...

Страница 357: ...ss group No is not set for indoor unit Improper control range setting switch Improper wiring of transmission wiring Troubleshooting Caution Be sure to turn off power switch before connect or disconnec...

Страница 358: ...rn off the power supply 2 Measure the resistance between Vcc and each phase of U V W and GND and each phase at the motor side connectors five core wire to check that the values are balanced within the...

Страница 359: ...ster resistance property is normal Check if the piping temperature connected to the 4 way switch valve is normal Check if the pressure value given by the service checker corresponding to actual measur...

Страница 360: ...ue mode in the range of multiplying 1k Point of Measurement Judgment Criteria Remarks No 15k and above including 2 15k 2 15k Due to condenser charge and so on resistance measurement may require some t...

Страница 361: ...t of the pressure sensor In cooling High suction air temperature of the condenser In heating High suction air temperature of outdoor unit Short circuit High ambient temperature Is the suction air temp...

Страница 362: ...e of the evaporator In heating Low suction air temperature of indoor unit Short circuit Is the suction air temperature not less than 14 C Is the indoor temperature not more than 14 C Low ambient tempe...

Страница 363: ...with continuity 2 Procedure for checking indoor outdoor unit transmission wiring for broken wires for checking the indoor outdoor unit transmission wiring of the Outdoor Unit C for broken wires Turn...

Страница 364: ...le timer are not available for combined use 2 The intelligent Touch controller central remote controller and the unified ON OFF controller have been set to Provided with the master unit central settin...

Страница 365: ...do with those described in the list of Setting of master unit central setting connector 1 2 3 4 Pattern 1 00 4 15 Master Slave 5 00 8 15 Master Slave 1 00 4 15 Master Slave 5 00 8 15 Master Slave CRC...

Страница 366: ...on Refer to information in the Check 11 section Are the voltage characteristics normal Is the connector correctly connected Does the thermistor have normal resistance characteristics Is the pressure r...

Страница 367: ...rature of outlet air passing through the supercooled section becomes lower Cooling High pressure Low pressure Frequency High pressure drooping control LP is maintained at a constant level To maintain...

Страница 368: ...larger Either of the motorized valves becomes fully open Frequency comes to the minimum level Fan control is activated for HP protection under cooling control at low outdoor temperature i e the fan is...

Страница 369: ...100 7kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise If the reading rises moisture may have remained in the system or refrigerant le...

Страница 370: ...ve oil or refrigerant Faulty inverter PC board E5 Inverter compressor lock The compressor is in the locked status does not rotate Faulty compressor L4 Radiator fin temperature rise The radiator fin te...

Страница 371: ...r more Transmission error Overcurrent of inverter compressor When transmissions between the main PC board and the inverter PC board are not normal Main Control PC board Weak current part Heavy current...

Страница 372: ...it 396 3 2 Indoor Side 401 4 Option List 407 4 1 Option List of Controllers 407 4 2 Option Lists Outdoor Unit 409 5 Piping Installation Point 410 5 1 Piping Installation Point 410 5 2 The Example of a...

Страница 373: ...Piping Diagrams Si37 701 362 Appendix 1 Piping Diagrams 1 1 Outdoor Unit REYQ8P 10P 12PY1 3D058154A S1NPH S2NPL...

Страница 374: ...Si37 701 Piping Diagrams Appendix 363 REYQ14P 16PY1 3D058153A S2NPL S1NPH...

Страница 375: ...Piping Diagrams Si37 701 364 Appendix REMQ8PY1 3D057743...

Страница 376: ...Si37 701 Piping Diagrams Appendix 365 REMQ10PY1 12PY1 3D057742...

Страница 377: ...Piping Diagrams Si37 701 366 Appendix REMQ14PY1 16PY1 3D057741...

Страница 378: ...onic expansion valve Y1E Used for gas superheated degree control while in cooling operation or subcooled degree control while in heating operation 2 Suction air temperature thermistor R1T Used for the...

Страница 379: ...Piping Diagrams Si37 701 368 Appendix FXZQ Refrigerant pipe connection port diameters mm Model Gas Liquid FXZQ20M 25M 32M 40M 50M 12 7 6 4...

Страница 380: ...Si37 701 Piping Diagrams Appendix 369 FXDQ Refrigerant pipe connection port diameters 4D043864H mm Model Gas Liquid FXDQ20N A P 25N A P 32N A P 40N A 50N A VE T 12 7 6 4 FXDQ63N A VE T 15 9 9 5...

Страница 381: ...t pipe connection port diameters mm Model Gas Liquid FXDYQ80M 100M 125M 145MV1 15 9 9 5 FXDYQ180M 200M 19 1 9 5 FXDYQ250M 22 2 9 5 M Heat exchanger Fan Filter Filter Gas pipe connection port Liquid pi...

Страница 382: ...Si37 701 Piping Diagrams Appendix 371 1 3 BS Unit 4D057985A...

Страница 383: ...Wiring Diagrams for Reference Si37 701 372 Appendix 2 Wiring Diagrams for Reference 2 1 Outdoor Unit REYQ8 10 12PY1 3D056775D...

Страница 384: ...Si37 701 Wiring Diagrams for Reference Appendix 373 REYQ14 16PY1 3D056774C...

Страница 385: ...Wiring Diagrams for Reference Si37 701 374 Appendix REMQ8PY1 3D055307E...

Страница 386: ...Si37 701 Wiring Diagrams for Reference Appendix 375 REMQ10 12PY1 3D055308E...

Страница 387: ...Wiring Diagrams for Reference Si37 701 376 Appendix REMQ14P 16PY1 3D055309E...

Страница 388: ...Si37 701 Wiring Diagrams for Reference Appendix 377 2 2 Field Wiring REYQ8P 10P 12P 14P 16PY1 3D057764...

Страница 389: ...Wiring Diagrams for Reference Si37 701 378 Appendix REYQ18P 20P 22P 24P 26P 28P 30P 32PY1 3D057762...

Страница 390: ...Si37 701 Wiring Diagrams for Reference Appendix 379 REYQ34P 36P 38P 40P 42P 44P 46P 48PY1 3D057763...

Страница 391: ...Wiring Diagrams for Reference Si37 701 380 Appendix 2 3 Indoor Unit FXCQ20M 25M 32M 63MVE 3D039556A...

Страница 392: ...Si37 701 Wiring Diagrams for Reference Appendix 381 FXCQ40M 50M 80M 125MVE 3D039557A...

Страница 393: ...Wiring Diagrams for Reference Si37 701 382 Appendix FXFQ25M 32M 40M 50M 63M 80M 100M 125MVE 3D039600A...

Страница 394: ...Si37 701 Wiring Diagrams for Reference Appendix 383 FXZQ20M 25M 32M 40M 50M8V1B 3D038359...

Страница 395: ...Wiring Diagrams for Reference Si37 701 384 Appendix FXKQ25MA 32MA 40MA 63MAVE 3D039564C...

Страница 396: ...Si37 701 Wiring Diagrams for Reference Appendix 385 FXDQ20P 25P 32P FXDQ20NA 25NA 32NA 40NA 50NA 63NAVE with Drain Pump 3D045500C...

Страница 397: ...Wiring Diagrams for Reference Si37 701 386 Appendix FXDQ20P 25P 32P FXDQ20N 25N 32N 40N 50N 63NVET without Drain Pump 3D049604A...

Страница 398: ...UNDTHESHIELD OFTHE REMOTECONTROLLERCORDTO THE INDOOR UNIT NOTES 1 TERMINAL CONNECTOR FIELD WIRING PLUG ANDSOCKET WIRECLAMP X18A X7A Y1E INPUTFROM OUTSIDE NOTE 3 TRANSMISSION WIRING CENTRAL REMOTECONTR...

Страница 399: ...Wiring Diagrams for Reference Si37 701 388 Appendix FXDYQ180M 200M 250MV1...

Страница 400: ...Si37 701 Wiring Diagrams for Reference Appendix 389 FXSQ20M 25M 32M 40M 50M 63M 80M 100M 125MVE 3D039561B...

Страница 401: ...Wiring Diagrams for Reference Si37 701 390 Appendix FXMQ40MA 50MA 63MA 80MA 100MA 125MAVE 3D039620B...

Страница 402: ...Si37 701 Wiring Diagrams for Reference Appendix 391 FXMQ200MA 250MAVE 3D039621B...

Страница 403: ...Wiring Diagrams for Reference Si37 701 392 Appendix FXHQ32MA 63MA 100MAVE 3D039801D...

Страница 404: ...Si37 701 Wiring Diagrams for Reference Appendix 393 FXAQ20MA 25MA 32MAVE 40MA 50MA 63MAVE 3D034206D...

Страница 405: ...Wiring Diagrams for Reference Si37 701 394 Appendix FXLQ20MA 25MA 32MA 40MA 50MA 63MAVE FXNQ20MA 25MA 32MA 40MA 50MA 63MAVE 3D039826D...

Страница 406: ...Si37 701 Wiring Diagrams for Reference Appendix 395 2 4 BS Unit 3D055928C...

Страница 407: ...ully open 1375pls Electronic expansion valve Subcool Y2E Fully closed 0pls Fully open 480pls Electronic expansion valve Refrigerant charge EV 0 480pls Pressure protection Highpressure switch For M1C S...

Страница 408: ...E Fully closed 0pls Fully open 480pls Electronic expansion valve Refrigerant charge EV 0 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2C S2PH OFF 4 0 MPa...

Страница 409: ...2E Fully closed 0pls Fully open 480pls Electronic expansion valve Subcool Y3E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2...

Страница 410: ...Y2E Fully closed 0pls Fully open 480pls Electronic expansion valve Subcool Y3E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M...

Страница 411: ...ully closed 0pls Fully open 480pls Electronic expansion valve Subcool Y3E Fully closed 0pls Fully open 480pls Pressure protection Highpressure switch For M1C S1PH OFF 4 0 MPa ON 3 0 0 15MPa For M2C S2...

Страница 412: ...Exchanger R2T ST8602A 5 6 L1000 20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Thermal Fuse TFu Transformer T1R Parts Name Symbol Model Remark FXCQ 20MVE FXCQ 25MVE FXCQ 32MVE FXCQ 40...

Страница 413: ...1F AC 220 240V 50Hz 1 55W 4P Thermal Fuse 135 C Capacitor fan motor C1 4 0 F 400VAC Drain Pump M1P AC220 240V 50Hz PLD 12230DM Thermal Fuse 145 C Swing Motor M1S MP35HCA 3P080801 1 AC200 240V Thermist...

Страница 414: ...R3T ST8605 7 8 L1600 20k 25 C Thermistor Heat Exchanger R2T ST8602A 7 6 L1600 20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol Model Remark F...

Страница 415: ...20k 25 C Others Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol Model Remark FXMQ 40MAVE FXMQ 50MAVE FXMQ 63MAVE FXMQ 80MAVE FXMQ 100MAVE FXMQ 125MAVE FXMQ...

Страница 416: ...1250 20k 25 C Thermistor Heat Exchanger R2T ST8602A 6 6 L 1250 20k 25 C ST8602A 6 6 L 1250 20k 25 C Others Fuse F1U 250V 5A 5 2 Transformer T1R TR22H21R8 Parts Name Symbol Model Remark FXAQ 20MAVE FXA...

Страница 417: ...8 L2500 20k 25 C Thermistor for Heat Exchanger R2T ST8602A 9 6 L2500 20k 25 C Others Fuse F1U AC250V 5A Transformer T1R TR22H21R8 Parts Name Symbol Model Remark FXNQ 20MAVE FXNQ 25MAVE FXNQ 32MAVE FX...

Страница 418: ...ing KRP1B56 KRP1B57 KRP1B59 KRP1B61 KRP1C3 PC board when equipped with auxiliary electric heater in the indoor unit 2 DIII NET Expander Adaptor DTA109A51 Up to 1 024 units can be centrally controlled...

Страница 419: ...nd a Web browser application on a PC 2 3 Eco DAM003A51 ECO Energy saving functions 2 4 Optional DIII Ai unit DAM101A51 External temperature sensor for intelligent Manager III 2 5 Di unit DEC101A51 8 p...

Страница 420: ...26PY1E REYQ28PY1E REYQ30PY1 REYQ32PY1 REYQ30PY1E REYQ32PY1E Distributive Piping Refnet header Model KHRP25M33H KHRP25M72H KHRP25M73H Max 8 branch Max 8 branch Max 8 branch Refnet joint Model KHRP25A22...

Страница 421: ...o level or go up to an outdoor unit and to make a slope V3036 When the piping length between the multi connection kits or between multi connection kit and outdoor unit is 2m or more prepare a vertical...

Страница 422: ...ong Good Good Vertical Projection V3040 Max allowable Piping Length Outdoor Unit Multi Connection Piping Kit Actual piping length 10m or less equivalent length 13m or less Multi Connection Piping Kit...

Страница 423: ...Piping Installation Point Si37 701 412 Appendix...

Страница 424: ...165m Example 6 a b 165m 8 a m n p 165m Example 8 a o 165m Equvalent pipe length between outdoor unit 2 and indoor unit 190m Note 1 Assume eqivalent pipe length of REFNET joint to be 0 5m that of REFN...

Страница 425: ...0 BHFP26P136 3 pipes KHRP25M33H KHRP25M72H KHRP25M72HP KHRP25M73H KHRP25M73HP 2 pipes KHRP26M22H or KHRP26M33H KHRP26M33H KHRP26M72H KHRP26M73H KHRP26M73HP Refrigerant branch kit name Example for indo...

Страница 426: ...g size at 6 4 0 37 0 18 0 059 0 26 0 12 0 022 1 02 Example for refrigerant branch using REFNET joint and REFNET header for the systems and each pipe length as shown below Outdoor system REYQ34PY1 Tota...

Страница 427: ...Example of Connection R 410A Type Si37 701 416 Appendix...

Страница 428: ...56 49 55 08 53 6 41 6 53 4 53 71 52 38 54 6 65 6 53 5 51 09 49 83 55 6 41 6 53 6 48 61 47 42 56 6 18 6 06 7 46 26 45 14 57 5 95 5 84 8 44 05 42 98 58 5 74 5 43 9 41 95 40 94 59 5 14 5 05 10 39 96 39 0...

Страница 429: ...233 14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61...

Страница 430: ...Low Pressure PL PH Detected Pressure High Side MPa PL Detected Pressure Low Side MPa 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 MPa PL...

Страница 431: ...for the checking Test points 1 Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance Preparation 1 To make measurement disconnect all connectors and termina...

Страница 432: ...U N3 2 to 15k 10 U N3 Not less than 1 2V including It may take time to determine the voltage due to capacitor charge or else 11 V N3 11 V N3 12 W N3 12 W N3 When using the analog type of multiple tes...

Страница 433: ...Method of Checking the Inverter s Power Transistors and Diode Modules Si37 701 422 Appendix...

Страница 434: ...701 Precautions for New Refrigerant R 410A 423 Part 8 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 424 1 1 Outline 424 1 2 Refrigerant Cylinders 426 1 3 Service Tool...

Страница 435: ...pic mixture refrigerant 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 Re...

Страница 436: ...ew Refrigerant R 410A 425 Thermodynamic characteristic of R 410A Temperature Steam pressure kPa Liquid Vapor Density kg m3 Liquid Vapor Specific heat at constant pressure kJ kgK Liquid Vapor Specific...

Страница 437: ...ned in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or ro...

Страница 438: ...on differs for R 410A and R 407C Charging cylinder 2Weighting instrument used for HFCs Gas detector 2The same tool can be used for HFCs Vacuum pump pump with reverse flow preventive function 2To use e...

Страница 439: ...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 p...

Страница 440: ...z Maximum 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 100 7 kPa 5 torr 755...

Страница 441: ...rogen 5 Refrigerant oil Air compal Specifications 2 Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle 2 Offers high rust resistance and stability over long per...

Страница 442: ...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 coated material for HFC resistance 8 Char...

Страница 443: ...liquid refrigerant charging 2 A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories Differences 2 Measurement is based on weight to prevent change of mi...

Страница 444: ...rheat Operation 348 CJ 249 Concept of Inverter related Malfunction Codes 360 Cooling Only Heat pump Setting 184 Current Sensor Malfunction 271 D Defective Inverter PC Board 283 Detailed Explanation of...

Страница 445: ...unction of Thermistor R1T for Suction Air 248 Malfunction of Thermistor R2T for Heat Exchanger 246 Malfunction of Thermistor R3T for Gas Pipes 247 Malfunction of Thermistor R4T or R12T for Outdoor Uni...

Страница 446: ...84 Setting by Push Button Switches 188 Setting Mode 1 190 Setting Mode 2 191 STD Compressor Motor Overcurrent Lock 257 Symptom based Troubleshooting 212 System is not Set yet 333 T The Example of a Wr...

Страница 447: ...Si37 701 iv Index...

Страница 448: ...2 Discharge Pipe Protection Control 128 Display Under Centralized Control Blinks Repeats Double Blink 346 Display Under Centralized Control Blinks Repeats Single Blink 343 Drain Level above Limit 244...

Страница 449: ...ransmission between Centralized Controller and Indoor Unit 330 Malfunction of Transmission between Indoor and Outdoor Units in the Same System 322 Malfunction of Transmission between Indoor Units 311...

Страница 450: ...ller 171 BRC2A51 BRC2C51 171 STD Compressor Motor Overcurrent Lock 257 STD Compressor Overload Protection 131 System is not Set yet 333 T Test Operation 148 Thermostat Sensor in Remote Controller 135...

Страница 451: ...Si37 701 viii Drawings Flow Charts...

Страница 452: ...37 701 Printed in Japan 09 2007 AK Specifications designs and other content appearing in this brochure are current as of September 2007 but subject to change without notice http www daikin com global_...

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