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SiUS121632EA

Outdoor Unit

Specifications

60 Hz, 208 - 230 V

Notes:

Max.: for the combination of CTXS, FTXS series indoor units
Min.: for the combination of CDXS, FDXS series indoor units

2. The data are based on the conditions shown in the table below.

Model

3MXL24QMVJU

Cooling

Heating

COP

W/W

—

4.56

EER

Btu/W·h

12.7

—

SEER / HSPF

17.9

12.5

Casing Color

Ivory White

Compressor

Type

Hermetically Sealed Swing Type

Model

2YC63AAXD

Motor Output

1,920

Refrigerant Oil

Model

FVC50K

Charge

oz (L)

29.7 (0.9)

Refrigerant

Type

R-410A

Charge

Lbs (kg)

6.17 (2.8)

Airflow Rate

cfm

2,094

1,886

2,094

1,780

1,977

1,006

m³/min

59.3

53.4

59.3

50.4

56.0

28.5

Fan

Type

Propeller

Motor Output

Running Current

H: 0.38 / M: 0.38 / L: 0.33

H: 0.38 / M: 0.33 / L: 0.07

Power Consumption

H: 75 / M: 75 / L: 65

H: 75 / M: 65 / L: 14

Starting Current

17.5

Dimension (H

in. (mm)

28-15/16

34-1/4

12-5/8 (735

870

320)

Packaged Dimension (H

in. (mm)

31-7/8

41-3/8

17-1/2 (810

1,050

444)

Weight (Mass)

Lbs (kg)

140 (63)

Gross Weight (Gross Mass)

Lbs (kg)

156 (71)

Sound Pressure Level

dB(A)

Piping
Connections

Liquid

in. (mm)

1/4

3 (

6.4

Gas

in. (mm)

3/8

1/2

2 (

9.5

12.7

Drain

in. (mm)

5/8 (

15.9)

Heat Insulation

Both Liquid and Gas Pipes

No. of Wiring Connections

3 for Power Supply, 4 for Interunit Wiring (Including Ground Wiring)

Max. Interunit Piping Length

ft (m)

230 (70) (for Total of Each Room)

82 (25) (for One Room)

Amount of Additional Charge of
Refrigerant

oz/ft

(g/m)

0.21 (20) (131-1/4 ft (40 m) or more)

Max. Installation Height Difference

ft (m)

49-1/4 (15) (between Indoor Unit and Outdoor Unit)

24-5/8 (7.5) (between Indoor Units)

Drawing No.

C: 3D101754

Conversion Formulae

kcal/h = kW × 860

Btu/h = kW × 3412

cfm = m³/min × 35.3

Cooling

Indoor ; 80°FDB (26.7°CDB) / 67°FWB (19.4°CWB)
Outdoor ; 95°FDB (35°CDB) / 75°FWB (24°CWB)

Heating

Indoor ; 70°FDB (21°CDB) / 60°FWB (15.6°CWB)
Outdoor ; 47°FDB (8.3°CDB) / 43°FWB (6°CWB)

Piping Length

24-5/8 ft (7.5 m)

Содержание 2MXL18QMVJU

Страница 1: ...Service Manual 2 3MXL Q Series SiUS121632EA Applied Models z Inverter Multi Heat Pump Multi Split Type Air Conditioners ...

Страница 2: ... Unit CTXG09QVJUW FDXS09LVJU FVXS09NVJU FFQ09Q2VJU CTXG09QVJUS FDXS12LVJU FVXS12NVJU FFQ12Q2VJU CTXG12QVJUW CDXS15LVJU FVXS15NVJU FFQ15Q2VJU CTXG12QVJUS CDXS18LVJU FVXS18NVJU FFQ18Q2VJU CTXG18QVJUW CTXG18QVJUS CTXS07LVJU FTXS09LVJU FTXS12LVJU FTXS15LVJU FTXS18LVJU Outdoor Unit 2MXL18QMVJU 3MXL24QMVJU ...

Страница 3: ...S07LVJU FTXS09 12LVJU 21 1 3 FTXS15 18LVJU 23 1 4 FDXS09 12LVJU CDXS15 18LVJU 25 1 5 FVXS09 12 15 18NVJU 27 1 6 FFQ09 12 15 18Q2VJU 29 2 Wired Remote Controller 30 2 1 BRC1E73 30 3 Wireless Remote Controller Kit 31 3 1 BRC082A41W BRC082A42W S 31 4 Outdoor Unit 32 Part 4 Functions and Control 35 1 Common Functions 37 1 1 Temperature Control 37 1 2 Frequency Principle 37 2 CTXG CTXS FTXS CDXS FDXS F...

Страница 4: ...s Option 75 3 10 Other Functions 78 4 Control Specification 79 4 1 Thermistor Functions 79 4 2 Mode Hierarchy 81 4 3 Frequency Control 82 4 4 Controls at Mode Changing Start up 84 4 5 Discharge Pipe Temperature Control 85 4 6 Input Current Control 86 4 7 Freeze up Protection Control 87 4 8 Heating Peak cut Control 87 4 9 Outdoor Fan Control 88 4 10 Liquid Compression Protection Function 88 4 11 De...

Страница 5: ... Related Abnormality 149 6 4 Humidifier or Related Abnormality 151 6 5 Thermistor or Related Abnormality 152 6 6 Presence Sensor or Floor Sensor Abnormality 153 6 7 Remote Controller Thermistor Abnormality 154 6 8 Signal Transmission Error Between Indoor Unit and Outdoor Unit 155 6 9 Signal Transmission Error Between Indoor Unit and Remote Controller 157 6 10 Signal Transmission Error Between MAIN...

Страница 6: ...yzer Check 195 8 9 Rotation Pulse Check on the Outdoor Unit PCB 196 8 10 Installation Condition Check 197 8 11 Discharge Pressure Check 197 8 12 Outdoor Fan System Check 198 8 13 Main Circuit Short Check 198 8 14 Capacitor Voltage Check 199 8 15 Power Module Check 200 Part 7 Trial Operation and Field Settings 201 1 Pump Down Operation 202 2 Forced Cooling Operation 203 3 Wiring Error Check Functio...

Страница 7: ...arding Safety of Workers Warning Do not store equipment in a room with fire sources e g naked flames gas appliances electric heaters Be sure to disconnect the power cable from the socket before disassembling equipment for repair Working on equipment that is connected to the power supply may cause an electrical shock If it is necessary to supply power to the equipment to conduct the repair or inspe...

Страница 8: ...22 in the refrigerant system If air enters the refrigerant system an excessively high pressure results causing equipment damage and injury Warning Caution Do not repair electrical components with wet hands Working on the equipment with wet hands may cause an electrical shock Do not clean the air conditioner with water Washing the unit with water may cause an electrical shock Be sure to provide an ...

Страница 9: ...sive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow the local technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work may cause an electrical shock or fire Be sure to use the spec...

Страница 10: ...not conducted securely the equipment may fall and cause injury Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug is dusty or has a loose connection it may cause an electrical shock or fire When replacing the coin battery in the remote controller be sure to dispose of the old battery to prevent children from swallowing i...

Страница 11: ...sulation resistance after the repair and make sure that the resistance is 1 MΩ or higher Faulty insulation may cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage may cause water to enter the room and wet the furniture and floor Do not tilt the unit when removing it The water inside the unit may spill and wet the furniture and floor Caution ...

Страница 12: ...tion is used when there is danger that the reader through incorrect manipulation may damage equipment lose data get an unexpected result or have to restart part of a procedure Note Note A Note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Reference A Reference guides the reader to other places in this binder or in this manual ...

Страница 13: ...SiUS121632EA List of Functions 1 Part 1 List of Functions 1 Functions 2 ...

Страница 14: ...D airflow z Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation z Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit Indoor unit quiet operation z Flexible power supply correspondence NIGHT QUIET mode automatic High ceiling application OUTDOOR UNIT QUIET operation manual z Chargeless INTELLIGENT EYE operation Either side drain right ...

Страница 15: ...osion treatment of outdoor heat exchanger 3 D airflow z z COMFORT AIRFLOW operation z z Flexibility Multi split split type compatible indoor unit z Comfort Control Auto fan speed z z Indoor unit quiet operation z z Flexible power supply correspondence NIGHT QUIET mode automatic High ceiling application OUTDOOR UNIT QUIET operation manual z z Chargeless Either side drain right or left z z INTELLIGE...

Страница 16: ...ent of outdoor heat exchanger 3 D airflow COMFORT AIRFLOW operation Flexibility Multi split split type compatible indoor unit z Comfort Control Auto fan speed z z Indoor unit quiet operation z z Flexible power supply correspondence NIGHT QUIET mode automatic High ceiling application OUTDOOR UNIT QUIET operation manual z z Chargeless Either side drain right or left INTELLIGENT EYE operation Power s...

Страница 17: ...rflow Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation Comfort Control Auto fan speed z Flexibility Multi split split type compatible indoor unit Indoor unit quiet operation z Flexible power supply correspondence NIGHT QUIET mode automatic High ceiling application OUTDOOR UNIT QUIET operation manual z Chargeless INTELLIGENT EYE operation Either side drain right or left ...

Страница 18: ...lf diagnosis R C LED z z Individual flap control z 1 Wiring error check function 3 D airflow Anti corrosion treatment of outdoor heat exchanger COMFORT AIRFLOW operation Comfort Control Auto fan speed z 1 z 1 Flexibility Multi split split type compatible indoor unit z z Indoor unit quiet operation NIGHT QUIET mode automatic H P C O compatible indoor unit OUTDOOR UNIT QUIET operation manual Flexibl...

Страница 19: ...eatment of outdoor heat exchanger z z Auto swing right and left 3 D airflow Flexibility Multi split split type compatible indoor unit COMFORT AIRFLOW operation Comfort Control Auto fan speed Flexible power supply correspondence Indoor unit quiet operation High ceiling application NIGHT QUIET mode automatic z z Chargeless 98 4 ft 30 m 131 2 ft 40 m OUTDOOR UNIT QUIET operation manual z z INTELLIGEN...

Страница 20: ...SiUS121632EA 8 Specifications Part 2 Specifications 1 Indoor Unit 9 1 1 CTXG Series 9 1 2 CTXS FTXS Series 11 1 3 FDXS CDXS Series 13 1 4 FVXS Series 14 1 5 FFQ Series 15 2 Outdoor Unit 16 ...

Страница 21: ... 1 4 φ 6 4 Gas in mm φ 3 8 φ 9 5 φ 3 8 φ 9 5 Drain in mm φ 11 16 φ 18 φ 11 16 φ 18 Drawing No 3D105562 3D105565 Model CTXG12QVJUW CTXG12QVJUS Cooling Heating Cooling Heating Rated Capacity 12 kBtu h Class 12 kBtu h Class Front Panel Color White Silver Airflow Rate H cfm m min 353 10 0 420 11 9 353 10 0 420 11 9 M 230 6 5 300 8 5 230 6 5 300 8 5 L 162 4 6 219 6 2 162 4 6 219 6 2 SL 134 3 8 124 3 5 ...

Страница 22: ... 0 21 0 14 0 14 0 21 0 21 Power Consumption Rated W 28 28 42 42 28 28 42 42 Power Factor Rated 96 1 87 0 96 2 87 0 96 1 87 0 96 2 87 0 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 11 15 16 39 5 16 8 3 8 303 998 212 11 15 16 39 5 16 8 3 8 303 998 212 Packaged Dimensions H W D in mm 12 11 16 43 3 8 15 5 16 322 1 101 389 12 11 16 43 3 8 15 5 16 322 1 101 389 ...

Страница 23: ...ite White Airflow Rate H cfm m min 381 10 8 420 11 9 403 11 4 438 12 4 M 279 7 9 321 9 1 307 8 7 335 9 5 L 194 5 5 233 6 6 205 5 8 240 6 8 SL 145 4 1 219 6 2 155 4 4 212 6 0 Fan Type Cross Flow Fan Cross Flow Fan Motor Output W 23 23 Speed Steps 5 Steps Quiet Auto 5 Steps Quiet Auto Air Direction Control Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mi...

Страница 24: ...29 0 31 0 29 0 32 0 30 0 32 0 30 Power Consumption Rated W 38 38 38 38 38 38 38 38 Power Factor Rated 58 9 57 0 58 9 57 0 57 1 55 1 57 1 55 1 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D in mm 13 3 8 41 5 16 9 3 4 340 1 050 248 13 3 8 41 5 16 9 3 4 340 1 050 248 Packaged Dimensions H W D in mm 13 45 11 16 16 7 8 331 1 160 429 13 45 11 16 16 7 8 331 1 160 429 Wei...

Страница 25: ... 4 Gas in mm φ 3 8 φ 9 5 φ 3 8 φ 9 5 Drain in mm φ 25 32 φ 20 φ 25 32 φ 20 Drawing No 3D075493 3D075494 Model CDXS15LVJU CDXS18LVJU Cooling Heating Cooling Heating Rated Capacity 15 kBtu h Class 18 kBtu h Class External Static Pressure inAq Pa 0 16 40 0 16 40 Airflow Rate H cfm m min 424 12 0 424 12 0 424 12 0 424 12 0 M 388 11 0 388 11 0 388 11 0 388 11 0 L 353 10 0 353 10 0 353 10 0 353 10 0 SL ...

Страница 26: ...Liquid in mm φ 1 4 φ 6 4 φ 1 4 φ 6 4 Gas in mm φ 3 8 φ 9 5 φ 3 8 φ 9 5 Drain in mm φ 13 16 φ 20 φ 13 16 φ 20 Drawing No 3D101722 3D101724 Model FVXS15NVJU FVXS18NVJU Cooling Heating Cooling Heating Rated Capacity 15 kBtu h Class 18 kBtu h Class Front Panel Color White White Airflow Rate H cfm m min 378 10 7 417 11 8 378 10 7 417 11 8 M 325 9 2 357 10 1 325 9 2 357 10 1 L 275 7 8 300 8 5 275 7 8 30...

Страница 27: ...3 8 φ 9 5 Drain in mm VP20 O D φ 1 1 32 φ 26 VP20 O D φ 1 1 32 φ 26 Drawing No 3D106061A 3D106062 Model FFQ15Q2VJU FFQ18Q2VJU Cooling Heating Cooling Heating Rated Capacity 15 kBtu h Class 18 kBtu h Class Decoration Panel 1 Model BYFQ60B3W1 BYFQ60B3W1 Color White White Dimensions H W D in mm 2 3 16 27 9 16 27 9 16 55 700 700 2 3 16 27 9 16 27 9 16 55 700 700 Weight Mass Lbs kg 6 2 7 6 2 7 Decorati...

Страница 28: ...nsion H W D in mm 28 15 16 34 1 4 12 5 8 735 870 320 Packaged Dimension H W D in mm 31 7 8 41 3 8 17 1 2 810 1 050 444 Weight Mass Lbs kg 139 63 Gross Weight Gross Mass Lbs kg 155 71 Sound Pressure Level dB A 50 51 Piping Connections Liquid in mm φ 1 4 2 φ 6 4 2 Gas in mm φ 3 8 1 φ 1 2 1 φ 9 5 1 φ 12 7 1 Drain in mm φ 5 8 φ 15 9 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connections 3 ...

Страница 29: ... W D in mm 28 15 16 34 1 4 12 5 8 735 870 320 Packaged Dimension H W D in mm 31 7 8 41 3 8 17 1 2 810 1 050 444 Weight Mass Lbs kg 140 63 Gross Weight Gross Mass Lbs kg 156 71 Sound Pressure Level dB A 52 54 Piping Connections Liquid in mm φ 1 4 3 φ 6 4 3 Gas in mm φ 3 8 1 φ 1 2 2 φ 9 5 1 φ 12 7 2 Drain in mm φ 5 8 φ 15 9 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connections 3 for Pow...

Страница 30: ...m 1 Indoor Unit 19 1 1 CTXG09 12 18QVJUW S 19 1 2 CTXS07LVJU FTXS09 12LVJU 21 1 3 FTXS15 18LVJU 23 1 4 FDXS09 12LVJU CDXS15 18LVJU 25 1 5 FVXS09 12 15 18NVJU 27 1 6 FFQ09 12 15 18Q2VJU 29 2 Wired Remote Controller 30 2 1 BRC1E73 30 3 Wireless Remote Controller Kit 31 3 1 BRC082A41W BRC082A42W S 31 4 Outdoor Unit 32 ...

Страница 31: ...nector for swing motors 5 S42 Connector for reduction motor front panel mechanism and limit switch 6 S46 Connector for display signal receiver PCB A2P 7 S200 Connector for DC fan motor 8 H1 H2 H3 Connector for terminal strip indoor outdoor transmission 9 FG Connector for terminal strip frame ground 10 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 217 for details 11 JC...

Страница 32: ...t Improper operation may occur if you cut any of them INTELLIGENT EYE Sensor PCB A3P 1 S51 Connector for control PCB A1P 2 S52 Connector for room temperature thermistor 3 S1W Indoor unit ON OFF button 4 H1P LED for operation multi color 5 H2P LED for INTELLIGENT EYE green 6 JA Address setting jumper Refer to page 215 for details S52 S51 S1W JA H2P H1P 3P357402 2 1 S36 Connector for control PCB A1P...

Страница 33: ...5 Connector for INTELLIGENT EYE sensor PCB PCB4 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB PCB3 7 S47 Connector for signal receiver PCB PCB2 8 H1 H2 H3 FG Connector for terminal strip 9 JA Address setting jumper Refer to page 215 for details 10 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 217 for details 11...

Страница 34: ...mes on the appropriate wiring diagram 1 S48 Connector for control PCB PCB1 3P210728 1 S48 1 S49 Connector for control PCB PCB1 2 SW1 Indoor unit ON OFF button 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3 H3P LED for INTELLIGENT EYE green 6 RTH1 R1T Room temperature thermistor 3P210728 1 RTH1 SW1 S49 LED3 LED2 LED1 1 S26 Connector for control PCB PCB1 3EB86013 1 S26 ...

Страница 35: ...nector for INTELLIGENT EYE sensor PCB PCB4 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB PCB3 7 S47 Connector for signal receiver PCB PCB2 8 H1 H2 H3 FG Connector for terminal strip 9 JA Address setting jumper Refer to page 215 for details 10 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 217 for details 11 JC P...

Страница 36: ...mes on the appropriate wiring diagram 1 S48 Connector for control PCB PCB1 3P224121 1 S48 1 S49 Connector for control PCB PCB1 2 SW1 Indoor unit ON OFF button 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3 H3P LED for INTELLIGENT EYE green 6 RTH1 R1T Room temperature thermistor 3P224121 1 RTH1 SW1 LED3 LED2 LED1 S49 1 S36 Connector for control PCB PCB1 S36 3P227885 1 ...

Страница 37: ... motor Hall IC 3 S21 Connector for centralized control HA 4 S26 Connector for display signal receiver PCB A2P 5 S32 Connector for indoor heat exchanger thermistor 6 H1 H2 H3 Connector for terminal block 7 FG GND Connector for terminal block ground 8 JA Address setting jumper Refer to page 215 for details 9 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 217 for details ...

Страница 38: ... does not function Note The symbols in the parenthesis are the names on the appropriate wiring diagram 1 S1 Connector for control PCB A1P 2 SW1 S1W Indoor unit ON OFF button 3 LED2 H2P LED for timer yellow 4 LED3 H3P LED for operation green 5 RTH1 R1T Room temperature thermistor S1 LED3 LED2 SW1 2P084375 1 RTH1 1 ...

Страница 39: ... 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for lower air outlet motor 6 S42 Connector for swing motor 7 S46 Connector for display signal receiver PCB PCB4 8 S48 Connector for sensor PCB PCB1 9 H1 H2 H3 Connector for terminal strip 10 E1 Terminal for ground wire 11 JA Address setting jumper Refer to page 215 for details 12 JB Fan speed setting when compressor stops for thermostat OFF R...

Страница 40: ...2 2 RTH2 R1T Room temperature thermistor S49 RTH2 3P191450 1 1 S27 Connector for control PCB PCB2 2 SW2 S2W 4 Switch for upward airflow limit setting Refer to page 217 for details Keep the other switches as factory setting 3 SW4 S4W Switch for airflow selection Refer to page 43 for details S27 SW4 SW2 4 3P191448 1 1 S47 Connector for control PCB PCB2 2 SW1 S1W Indoor unit ON OFF button 3 LED1 H1P ...

Страница 41: ...A Connector for drain pump motor 7 X27A Connector for terminal block for inter unit wiring 8 X30A Connector for terminal block for wired remote controller 9 X33A Connector for adaptor for wiring option 10 X35A Connector for wiring adaptor for electrical appendices option 11 X36A Connector for swing motors on decoration panel option 12 X80A Connector for decoration panel BYFQ60B3W1 option 13 X81A C...

Страница 42: ...ller SiUS121632EA 30 Printed Circuit Board Connector Wiring Diagram 2 Wired Remote Controller 2 1 BRC1E73 Wired Remote Controller PCB 1 P1 P2 Terminal for indoor unit 2 R4T Room temperature thermistor P2 R4T P1 2P298037 7 ...

Страница 43: ...ng diagram 1 X1A Connector for receiver A3P 2 X2A Connector for control PCB A1P 3 SS1 MAIN SUB setting switch Refer to page 223 for details 4 SS2 Address setting switch Refer to page 223 for details 3P156326 3 X2A SS2 SS1 X1A 1 X1A Connector for transmitter board A2P 2 BS1 Emergency operation switch 3 LED1 H1P LED for operation red 4 LED2 H2P LED for timer green 5 LED3 H3P LED for filter cleaning ...

Страница 44: ...for electronic expansion valve coil C port 24 class 6 S40 Connector for overload protector 7 S70 Connector for DC fan motor 8 S80 Connector for four way valve coil 9 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 10 S92 Connector for gas pipe thermistor 11 S93 Connector for liquid pipe thermistor 12 S201 S202 Connector for service monitor PCB PCB2 13 HL1 HN...

Страница 45: ...SiUS121632EA Outdoor Unit Printed Circuit Board Connector Wiring Diagram 33 V401 FU1 E1 E2 HL1 HN1 V3 V2 FU3 S S15 S22 S21 S20 S201 S92 S90 S93 S40 S70 FU2 S80 U V W S202 2P350358 12 ...

Страница 46: ...reen 3 LED1 LED5 LED for service monitor red 4 SW1 Forced operation ON OFF switch Refer to page 203 for details 5 SW2 Operation mode switch Refer to page 203 for details 6 SW3 Wiring error check switch Refer to page 204 for details 7 SW4 Priority room setting switch Refer to page 211 for details 8 SW6 1 NIGHT QUIET mode setting switch Refer to page 212 for details 3P346711 10 S502 SW6 1 SW2 SW3 LE...

Страница 47: ...er Functions 62 3 FFQ Series Functions 64 3 1 Airflow Direction Control 64 3 2 Fan Speed Control for Indoor Unit 64 3 3 Program Dry Operation 65 3 4 Clock and Calendar Setting With Wired Remote Controller BRC1E73 66 3 5 Schedule TIMER Operation With Wired Remote Controller BRC1E73 68 3 6 Setback Function With Wired Remote Controller BRC1E73 72 3 7 Drain Pump Control 72 3 8 Hot Start Control In Hea...

Страница 48: ...S121632EA 36 Functions and Control 4 10 Liquid Compression Protection Function 88 4 11 Defrost Control 89 4 12 Low Hz High Pressure Limit 90 4 13 Electronic Expansion Valve Control 91 4 14 Malfunctions 96 ...

Страница 49: ... the temperature detected by room temperature thermistor and the temperature of lower part of the room depending on the type of the indoor unit or installation condition Practically the temperature control is done by the target temperature appropriately adjusted for the indoor unit and the temperature detected by room temperature thermistor 1 2 Frequency Principle Control Parameters The frequency ...

Страница 50: ...the room temperature constant Energy saving heating and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Phase Description 1 The supplied AC power source is converted into the DC power source for the present 2 The DC power source is reconverted into the three phase AC power source with variable frequency When the frequenc...

Страница 51: ...r to page 203 for details Frequency Functions Low Four way valve operation compensation Refer to page 84 High Compressor protection function Refer to page 85 Discharge pipe temperature control Refer to page 85 Input current control Refer to page 86 Freeze up protection control Refer to page 87 Heating peak cut control Refer to page 87 Defrost control Refer to page 89 ...

Страница 52: ...During cooling or dry operation the flap retracts into the indoor unit Then cool air can be blown far and distributed all over the room Heating During heating operation the large flap directs airflow downward to spread the warm air to the entire room Wide Angle Louvers The louvers made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution Auto Sw...

Страница 53: ...ight and left Cooling Dry Heating Fan 07 09 12 class 15 18 class Flap up and down Cooling Dry Heating Upward airflow limit OFF R6831 R6829 Upward airflow limit ON R6832 R6830 15 45 35 55 R13527 30 70 30 65 R11402 5 80 30 65 R11403 45 45 R11404 R9303 60 50 25 15 R9304 70 40 75 30 R9305 75 15 25 70 R9306 45 45 2 5 9 0 4 0 9 0 2 0 9 0 9 0 2 0 ...

Страница 54: ...are alternated and the airflow direction changes in the order shown in the following diagram 1 The louvers move from the right to the left 2 The flaps move downward 3 The louvers move from the left to the right 4 The flaps move upward COMFORT AIRFLOW Operation CTXG CTXS FTXS Series The flaps are controlled not to blow the air directly at the people in the room The airflow will be in the upward dir...

Страница 55: ... blown from the upper air outlet Use this switch when you do not want air coming out of the lower air outlet e g while sleeping Air is blown from the upper outlet only Front panel The blow pattern is automatically decided depending on mode and conditions Recommended and factory set R17866 Operating mode Situation Blowing pattern Cooling operation When the room has become fully cool or when 1 hour ...

Страница 56: ... is M tap in 30 minutes from the operation start Heating In heating operation the fan speed is regulated according to the indoor heat exchanger temperature and the difference between the room thermistor temperature and the target temperature Note The fan stops during defrost operation COMFORT AIRFLOW Operation CTXG CTXS FTXS Series The fan speed is controlled automatically within the following ste...

Страница 57: ...zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Thermostat turns on also when the room temperature is in the zone B for 10 minutes Room thermistor temperature at start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 C or more 75 2 F or more Room thermistor temperature at start up X 2 5 C X...

Страница 58: ...witching point Tr Tt 3 0 C 5 4 F CTXG CTXS FTXS series Tr Tt 2 5 C 4 5 F CDXS FDXS FVXS series 2 Cooling Heating switching point Tr Tt 2 5 C 4 5 F CTXG series Tr Tt 3 0 C 5 4 F CTXS FTXS CDXS FDXS FVXS series 3 Thermostat ON OFF point is the same as the ON OFF point of cooling or heating operation 4 During initial operation Tr Ts Cooling operation Tr Ts Heating operation CTXG series Ex When the ta...

Страница 59: ...the zone C after being in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling 10 minutes Heating 10 seconds Cooling Heating CTXG series Target temperature 2 5 C 4 5 F Heating Operation Target temperature 3 0 C 5 4 F Cooling Operation R22000 Targ...

Страница 60: ...ooling or lowers it slightly in heating This prevents excessive cooling or heating to ensure comfortable sleeping conditions and also conserves electricity Cooling Heating Zone B Zone A OFF ON Zone C 2 0 C 3 6 F 1 0 C 1 8 F 0 5 C 0 9 F 1 5 C 2 7 F 2 0 C 3 6 F Room thermistor temperature target temperature R24033 Zone B Zone A OFF ON Zone C 1 5 C 2 7 F Room thermistor temperature target temperature...

Страница 61: ...devices and air conditioners It can be easily activated by pressing ECONO button on the wireless remote controller Details When this function is activated the maximum capacity also decreases The remote controller can send the ECONO command when the unit is in cooling heating dry or automatic operation This function can only be set when the unit is running Press ON OFF button on the remote controll...

Страница 62: ...ampling every 20 msec If the motion sensor detects 10 times or more of the wave output in one second in total and the High signal continues for 3 sec the microcomputer judges humans are in the room as the human detection signal is ON 2 area INTELLIGENT EYE motion sensor divides the area into 2 and detects presence of humans in each area Image of 2 area INTELLIGENT EYE 1 sec Sampling 20 msec High L...

Страница 63: ...l ON in both area A and B Shift the airflow direction to area B left side 2 Human detection signal ON in area A Shift the airflow direction to area B left side 3 Human detection signal ON in area B Shift the airflow direction to area A right side 4 Human detection signal OFF in both area A and B No change When the human detection signal is OFF for 20 minutes in both area A and B the unit starts en...

Страница 64: ...s no signal from the motion sensor in 20 minutes the microcomputer judges that nobody is in the room and operates the unit at a temperature shifted from the target temperature Cooling Dry 1 2 C 1 8 3 6 F higher Heating 2 C 3 6 F lower Auto according to the operation mode at that time Note For dry operation the target temperature is shifted internally The temperature cannot be set with the remote c...

Страница 65: ...L operation in cooling Note POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Operation mode Fan speed Target temperature COOL H tap A rpm 18 C 64 4 F DRY Dry rotating speed A rpm Lowered by 2 2 5 C 3 6 4 5 F HEAT H tap A rpm 30 31 5 C 86 88 7 F FAN H tap A rpm AUTO Same as cooling heating in POWERFUL operation The target temperature is kept unch...

Страница 66: ...indoor unit Operating status can be monitored even in automatic operation in accordance with the actual operation mode The lamp color changes according to the operation AUTO Red Blue DRY Green COOL Blue HEAT Red FAN White TIMER Orange Brightness Setting Each time Brightness button on the remote controller is pressed the brightness of the multi monitor lamp TIMER lamp changes to high low or off Mul...

Страница 67: ...he clock to the current day of the week 3 Press CLOCK button blinks 4 Press SELECT or SELECT button to adjust the clock to the present time Holding down SELECT or SELECT button increases or decreases the time display rapidly 5 Press CLOCK button to set the clock Point the remote controller at the indoor unit when pressing the button blinks and clock setting is completed R18281 SELECT button CLOCK ...

Страница 68: ...rogram 2 program 3 program 4 ON OFF ON OFF 6 00 8 30 17 30 22 00 77 F 25 C 81 F 27 C program 1 program 2 program 3 program 4 ON OFF ON OFF Saturday No timer settings Sunday Make timer settings for programs 1 4 8 00 10 00 19 00 21 00 81 F 27 C 81 F 27 C 77 F 25 C ON OFF OFF ON program 1 program 2 program 3 program 4 Tuesday to Friday Use the copy mode to make settings for Tuesday to Friday because ...

Страница 69: ...isplayed 1 to 4 settings can be made per day Pressing changes the reservation number and the day of the week 3 Press The day of the week and reservation number will be set and blink 4 Press to select the desired mode Pressing changes the or setting in sequence ON TIMER OFF TIMER blank No Setting Pressing puts the sequence in reverse 5 Press 2 Press to select the desired day of the week and reserva...

Страница 70: ... procedure from STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange if all the reservation settings are deleted A reservation made once can be easily copied and the same settings used for another day of the week Refer to Copy mode Notes on WEEKLY TIMER operation Do not forget to set the clock ...

Страница 71: ...e copied The whole reservation of the selected day of the week will be copied Be sure to direct the remote controller toward the indoor unit and check for a receiving tone and blinking of the multi monitor lamp The multi monitor lamp blinks twice The reservation will be copied to the selected day of the week The whole reservation of the selected day of the week will be copied To continue copying t...

Страница 72: ...d to setting mode Proceed to Setting mode STEP 4 is displayed on the LCD and WEEKLY TIMER operation is activated The TIMER lamp periodically lights orange The multi monitor lamp will not light orange if all the reservation settings are deleted disappears from the LCD The TIMER lamp goes off To reactivate the WEEKLY TIMER operation press again If a reservation deactivated with is activated once aga...

Страница 73: ...y 2 Press to select the day of the week and the reservation number to be deleted and or blink Pressing changes the ON OFF TIMER mode in sequence Selecting blank will cancel any reservation you may have This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations Be sure to direct the remote controller toward the indoor unit an...

Страница 74: ...2 14 2 Signal Receiving Sign When the indoor unit receives a signal from the remote controller the unit emits a signal receiving sound and the operation lamp blinks 2 14 3 Indoor Unit ON OFF Button ON OFF button is provided on the display of the unit Press ON OFF button once to start operation Press once again to stop it ON OFF button is useful when the remote controller is missing or the battery ...

Страница 75: ...a power failure even a momentary one occurs during the operation the system restarts automatically in the same conditions as before when the power supply is restored to the conditions prior to the power failure Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated ON OFF button R23926 ...

Страница 76: ...s operation with the airflow discharging horizontally Individual Flap Control With decoration panels BYFQ60C2W1W S and wired remote controller BRC1E73 you can control each one of the four flaps individually The following marks are beside each air outlet 3 2 Fan Speed Control for Indoor Unit With Wired Remote Controller BRC1E73 To change the fan speed press Fan Speed button and select the fan speed...

Страница 77: ...mperature is divided into two zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room thermistor temperature at start up Target temperature X Thermostat OFF point Y Thermostat ON point Z 24 5 C or more 76 1 F or more Room thermistor temperature at start up X 2 5 C X 4 5 F X 1 0 C X 1 8 F 16 5 24 C 61 7 75 2 F X 2 0 ...

Страница 78: ...g down the button causes the number to change continuously Press buttons to select Clock Calendar on the main menu screen Press Menu OK button to display the clock calendar screen Select Month with buttons Change the month with buttons Holding down the button causes the number to change continuously Select Day with buttons Change the day with buttons Holding down the button causes the number to ch...

Страница 79: ...hange the minute with buttons Holding down the button causes the number to change continuously Press Menu OK button The confirmation screen will appear The date can be set between January 1 2015 and December 31 2099 Press button to select Yes on the confirmation screen Press Menu OK button to confirm the clock and return to the basic screen When setting the schedule the display returns to the sett...

Страница 80: ...period __ Indicates that the temperature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Refer to Setback function on page 72 for details of setback function Setting the schedule 1 Press buttons to select Schedule Press Menu OK button to display the schedule screen The date time screen will appear 2 Before setting the schedu...

Страница 81: ...sed 3 Press buttons to select Yes on the confirmation screen Pressing Menu OK button enters the daily patterns in the schedule and takes you back to the main menu screen R24074 1 The schedule screen will appear Press buttons to select Settings on the schedule screen The settings screen will appear when Menu OK button is pressed 2 Press buttons to select the day to be set It cannot be selected in t...

Страница 82: ...erature setpoint and setback temperature setpoint for this time period is not specified The last active setpoint will be utilized Indicates that the setback function is disabled for this time period 5 A maximum of five actions per day can be set Press Menu OK button when settings for each day are completed The confirmation screen will appear To copy the settings for the previous day press Mode but...

Страница 83: ... Press Menu OK button to display the enable disable screen Press buttons to select Enable or Disable on the enable disable screen Press Menu OK button after selecting the item The confirmation screen is displayed Press buttons to select Yes on the confirmation screen Pressing Menu OK button confirms the enable disable setting for the schedule and takes you back to the basic screen R24076 ...

Страница 84: ...en enabled the Setback mode becomes active when the indoor unit is turned off by either the user a schedule event or an off timer Setback function is not available by default It can be enabled by the system installer 3 7 Drain Pump Control 3 7 1 Normal Operation The float switch is ON in normal operation When cooling operation starts thermostat ON the drain pump turns ON simultaneously After the t...

Страница 85: ... then turns ON again after 5 seconds 4 After A3 is determined and the unit comes to an abnormal stop the thermostat will remain OFF even if the float switch turns ON again 3 7 3 If the Float Switch is OFF with the Thermostat OFF in Cooling Operation When the float switch stays OFF for 5 sec the drain pump turns ON If the float switch remains OFF even after the residual operation of the drain pump ...

Страница 86: ...ine At startup with thermostat ON or after the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity Details R24370 OFF Float Switch ON ON Thermostat running OFF ON 3 A F A Error Display OFF ON Drain Pump OFF 1st 5 sec 5 sec 5 sec 5 sec 4th 5th 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 min 5 min 5 sec 5 m...

Страница 87: ...coration panel BYFQ60C2W1W S sensor kit BRYQ60A2W S and wired remote controller BRC1E73 are connected to the main unit and draft prevention is set to enabled on the wired remote controller Factory setting is disabled Draft prevention cannot be activated when individual flap control is set even if draft prevention is enabled on the wired remote controller Setting on the wired remote controller 1 Se...

Страница 88: ...ote controller Factory setting is disabled Setting on the remote controller 2 3 4 5 1 Press buttons to select Auto setback by Sensor Press Menu OK button to display Auto setback by Sensor menu Press buttons to select Enable Disable Press Menu OK button Press buttons to select Enable Press Menu OK button after selecting the item Then the confirmation screen is displayed Press buttons to select Yes ...

Страница 89: ...on air temperature but floor temperature This function is enabled when decoration panel BYFQ60C2WAW S and sensor kit BRYQ60AW S is connected to the main unit 2 3 4 1 Press buttons to select Auto off by Sensor Press Menu OK button to display Auto off by Sensor menu Press buttons to select Enable Press buttons to go into the auto off time setting Press buttons to set auto off hour s 1 24 Press Menu ...

Страница 90: ... supply is restored to the conditions prior to the power failure Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated 3 10 3 Emergency Operation Switch With Wireless Remote Controller Kit BRC082A41W BRC082A42W S When the remote controller does not work due to battery failure or the absence thereof use the emergency operation switch Start Press emergen...

Страница 91: ...erature can be obtained In cooling operation the outdoor heat exchanger thermistor is used for detecting the disconnection of the discharge pipe thermistor When the discharge pipe temperature drops below the outdoor heat exchanger temperature by more than a certain value the discharge pipe thermistor is judged as disconnected In cooling operation the outdoor heat exchanger thermistor is used for h...

Страница 92: ...p protection control If the indoor heat exchanger temperature drops abnormally the operating frequency becomes lower or the operation halts In cooling operation the indoor heat exchanger thermistor is used for anti icing function If any of the following conditions are met in the room where operation halts it is assumed as icing The conditions are Tc 1 C Ta Tc 10 C where Ta is the room temperature ...

Страница 93: ...ode command which is set by each room in accordance with the procedure and determines the operation mode of the system The following procedure is taken when the modes conflict with each other 1 The system follows the mode which is set first First push first set 2 For the rooms where the different mode is set standby mode is activated The operation lamp blinks Air conditioner control mode Forced op...

Страница 94: ... discharge pipe temperature low Hz high pressure limit heating peak cut freeze up protection defrost 3 Determine lower limit frequency The maximum value is set as the lower limit frequency among the frequency lower limits of the following functions Four way valve operation compensation draft prevention pressure difference upkeep 4 Determine prohibited frequency There is a certain prohibited freque...

Страница 95: ... to the Σ D value When Σ D value is low the frequency is lowered When Σ D value is high the frequency is increased 3 Limit of frequency increasing range When the difference between the input current and the dropping value of the input current is less than 1 5 A the frequency increasing range must be limited 4 Frequency control when other controls are functioning When frequency is dropping Frequenc...

Страница 96: ...is stopped the OFF delay switch of the four way valve is carried out Details OFF delay switch of four way valve The four way valve coil is energized for 150 seconds after the operation is stopped 4 4 3 Four Way Valve Operation Compensation Outline At the beginning of operation as the four way valve is switched the pressure difference to activate the four way valve is acquired when the output frequ...

Страница 97: ...t of frequency is set to keep the discharge pipe temperature from rising further Details All outdoor units A Hz 26 B Hz 48 C Hz 70 D seconds 120 E seconds 500 F seconds 180 A D E F B C R13528 Hz Frequency sec Time Zone Control Stop zone When the temperature reaches the stop zone the compressor stops Dropping zone The upper limit of frequency decreases Keep zone The upper limit of frequency is kept...

Страница 98: ...conds the compressor is stopped Dropping zone The upper limit of the compressor frequency is defined as operation frequency 2 Hz After this the output frequency is lowered by 2 Hz every second until it reaches the keep zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current dropping and stop value according to the outdoor temperature...

Страница 99: ...udged with the indoor heat exchanger temperature 2 minutes after the operation starts and F seconds after the number of operation room is changed The maximum value of the indoor heat exchanger temperature controls the following excluding stopped rooms R24042 Reset zone Up zone Keep zone Dropping zone Stop zone 13 C 55 4 F 7 C 44 6 F 3 C 37 4 F 0 C 32 F 5 C 41 F Reference Indoor heat exchanger temp...

Страница 100: ...of heating room decreases When the outdoor temperature is more than 10 C 50 F the fan is turned off for 30 seconds 6 Fan speed control during forced operation The outdoor fan is controlled as well as normal operation during the forced operation 7 Fan speed control during POWERFUL operation The rotation speed of the outdoor fan is increased during the POWERFUL operation 8 Fan speed control during i...

Страница 101: ...eration The compressor operates for 6 minutes More than A minutes of accumulated time have passed since the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The judgment is made with the outdoor heat exchanger temperature B C C F Frequency Compressor Four way valve Fan ON OFF ON OFF ON OFF 0 Hz 0 Hz D Hz E Hz 5 sec PI control 5 sec J sec R21926 F sec G sec ...

Страница 102: ...trol is carried out according to three zones Details All outdoor units A minutes 26 B C 4 12 C F 39 2 53 6 D Hz 58 E Hz 42 F seconds 90 G seconds 60 H seconds 530 J seconds 40 K pulse 400 L pulse 250 M pulse 300 N pulse 400 P pulse 50 Q pulse 0 All outdoor units A 52 C 125 6 F B 51 C 123 8 F C 48 C 118 4 F A B C Highest indoor heat exchanger temperature among operating rooms Reset zone Dropping zo...

Страница 103: ...rooms being air conditioned 4 Liquid pipe temperature control for stopped rooms 5 Dew prevention control for indoor rotor Open Control 1 Electronic expansion valve control when starting operation 2 Electronic expansion valve control when the frequency changes 3 Electronic expansion valve control for defrosting 4 Electronic expansion valve control for oil recovery 5 Electronic expansion valve contr...

Страница 104: ... of target discharge pipe temperature Control when the operating room is changed Control of target discharge pipe temperature Defrost control Pressure equalizing control Open control when starting Continue Pressure equalizing control Operation pattern R21181 When power is turned on Cooling 1 room operation Cooling 2 rooms operation to Cooling 4 rooms operation Stop Heating 1 room operation Heating...

Страница 105: ...onic expansion valve opening is controlled when the operation starts and prevents superheating or liquid compression 4 13 5 Control when the Frequency Changes When the target discharge pipe temperature control is active if the target frequency is changed to a specified value in a certain period of time the target discharge pipe temperature control is canceled and the target opening of the electron...

Страница 106: ...eration mode is cooling When the following condition is fulfilled the discharge pipe thermistor disconnection is ascertained Discharge pipe temperature 6 C 10 8 F outdoor heat exchanger temperature 2 When the operation mode is heating When the following condition is fulfilled the discharge pipe thermistor disconnection is ascertained Discharge pipe temperature 6 C 10 8 F highest indoor heat exchan...

Страница 107: ...ature thermistor becomes constant 4 13 11 Target Discharge Pipe Temperature Control The target discharge pipe temperature is obtained from the indoor and outdoor heat exchanger temperature and the electronic expansion valve opening is adjusted so that the actual discharge pipe temperature becomes close to the target discharge pipe temperature Indirect SH superheating control using the discharge pi...

Страница 108: ...ssor If the OL compressor head temperature exceeds 130 C 266 F the compressor stops 4 14 3 Refrigerant Shortage Control Outline Detection by power consumption Refrigerant shortage is detected if the power consumption is below the specified value and the frequency is higher than the specified frequency When refrigerant is insufficient the power consumption is lower than normal operation Hence refri...

Страница 109: ...ller 97 Part 5 Remote Controller 1 Applicable Remote Controller 98 2 ARC466A36 99 3 ARC452A21 101 4 ARC452A23 103 5 ARC466A21 105 6 BRC1E73 Wired Remote Controller 107 7 BRC082A41W BRC082A42W S Wireless Remote Controller Kit 113 ...

Страница 110: ...XG18QVJUW S CTXS07LVJU ARC452A21 101 FTXS09LVJU FTXS12LVJU FTXS15LVJU FTXS18LVJU FDXS09LVJU ARC452A23 103 FDXS12LVJU CDXS15LVJU CDXS18LVJU FVXS09NVJU ARC466A21 105 FVXS12NVJU FVXS15NVJU FVXS18NVJU FFQ09Q2VJU Wired Remote Controller BRC1E73 Wireless Remote Controller BRC082A41W BRC082A42W S Wired Remote Controller 107 Wireless Remote Controller 113 FFQ12Q2VJU FFQ15Q2VJU FFQ18Q2VJU ...

Страница 111: ...er at the indoor unit If there is anything to block signals between the unit and the remote controller such as a curtain the unit will not operate The maximum distance for communication is about 19 11 16 ft 6 m Make sure that there are no obstacles within 19 11 16 inch 50 cm under the signal receiver Such obstacles if any may have an adverse influence on the reception performance of the receiver a...

Страница 112: ...d time with Select button Press this button again to complete TIMER setting R24616 Weekly button Program button Copy button Back button Next button Lamp brightness setting button OUTDOOR UNIT QUIET operation is not available in FAN and DRY operation OUTDOOR UNIT QUIET operation and ECONO operation cannot be used at the same time with POWERFUL operation Priority is given to the function you pressed...

Страница 113: ...etting button In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Selects the airflow rate setting every time you press this button R24600 To use the remote controller aim the transmitter at the indoor unit If there is anything to block signals between the unit and the remote controller such as a cur...

Страница 114: ...rts ECONO operation SWING 5 buttons Press this button and adjust the day and time with SELECT button Press this button again to complete TIMER setting Cancels the timer setting Cannot be used for the WEEKLY TIMER operation blank No Setting Combination Press this button and adjust the day and time with SELECT button Press this button again to complete TIMER setting COMFORT 2 SENSOR 3 button INTELLI...

Страница 115: ...tton In indoor unit quiet operation operation sound becomes weak The airflow rate also decreases In DRY operation the airflow rate setting is not available Selects the airflow rate setting every time you press this button R24601 Changes the temperature setting TEMPERATURE adjustment buttons AUTO DRY COOL HEAT FAN 18 30 C 64 86 F Not available 18 32 C 64 90 F 10 30 C 50 86 F Not available Receiver ...

Страница 116: ... again to complete TIMER setting CLOCK 3 button Changes the ON OFF TIMER settings TIMER CANCEL button Cancels the timer setting Press this button and adjust the time with SELECT button Press this button again to complete TIMER setting QUIET button OUTDOOR UNIT QUIET operation OUTDOOR UNIT QUIET operation is not available in FAN and DRY operation OUTDOOR UNIT QUIET operation and POWERFUL operation ...

Страница 117: ...n each section is shown with all its displays on for the purpose of explanation To use the remote controller aim the transmitter at the indoor unit If there is anything blocking the signals between the unit and the remote controller such as a curtain the unit may not operate The maximum transmission distance is about 23 ft 7 m Fan setting button In indoor unit quiet operation operation sound becom...

Страница 118: ...s this button again to complete TIMER setting Clock 5 button It changes the ON OFF TIMER and WEEKLY TIMER settings Timer Cancel button Cancels the timer setting Cannot be used for the WEEKLY TIMER operation Press this button and adjust the day and time with Select button Press this button again to complete TIMER setting Quiet button OUTDOOR UNIT QUIET operation OUTDOOR UNIT QUIET operation is not ...

Страница 119: ... Controller 107 6 BRC1E73 Wired Remote Controller 3 Menu OK button 8 On Off button 10 Cancel button 9 Operation lamp 11 LCD with backlight 4 Up button 5 Down button 6 Right button 7 Left button 1 Operation mode selector button 2 Fan speed control button ...

Страница 120: ...cklight will be illuminated for approximately 30 seconds by pressing any button If two remote controllers are used to control a single indoor unit only the controller accessed first will have backlight functionality Press this button to select the fan speed of your preference Available fan speeds vary with the indoor unit model Used to enter the main menu Used to enter the selected item Used to ra...

Страница 121: ...fault Detailed and Simple displays can be selected in the main menu 10 Changeover controlled by the master indoor unit 9 Under centralized control 4 Stand by for Defrost Hot start The airflow direction clock and selectable item appear on Detailed display screen in addition to the items appearing on Standard display Displayed only when the indoor unit is turned on with no fan speed control function...

Страница 122: ...ample 2 Fan speed 3 Setpoint 1 Operation mode 11 Setback 14 Selectable Display Item 4 Stand by for Defrost Hot start Depending on the field settings while the indoor unit is stopped OFF may be displayed instead of the operation mode and or the setpoint may not be displayed Note for all display modes ...

Страница 123: ...r is limited Displayed when another indoor unit on the system has the authority to change the operation mode between cool and heat Displayed when an energy recovery ventilator is connected Ventilation Mode icon These icons indicate the current ventilation mode ERV only AUTO ERV BYPASS Air Purify ICON This icon indicates that the air purifying unit Optional is in operation Used to display the fan s...

Страница 124: ...r unit model does not include oscillating louvers this item will not be displayed Displayed if the clock is set If the clock is not set will be displayed 12 hour time format is displayed by default Select 12 24 hour time display option in the main menu under Clock Calendar Room temperature is selected by default For other choices see the operation manual Displayed when the clock needs to be set Th...

Страница 125: ...SiUS121632EA BRC082A41W BRC082A42W S Wireless Remote Controller Kit Remote Controller 113 7 BRC082A41W BRC082A42W S Wireless Remote Controller Kit R23936 R23937 ...

Страница 126: ...stem will stop Press this button to select the fan speed LOW MEDIUM or HIGH of your choice Use this button for setting temperature 11 TIMER MODE START STOP BUTTON 12 TIMER RESERVE CANCEL BUTTON 13 AIRFLOW DIRECTION ADJUST BUTTON 14 OPERATION MODE SELECTOR BUTTON 15 FILTER SIGN RESET BUTTON 16 INSPECTION TEST OPERATION BUTTON 17 EMERGENCY OPERATION SWITCH 18 RECEIVER 19 OPERATION LAMP Red 20 TIMER ...

Страница 127: ...nit and Outdoor Unit 146 6 Troubleshooting for FFQ Series 147 6 1 Indoor Unit PCB Abnormality 147 6 2 Drain Level Control System Abnormality 148 6 3 Indoor Fan Motor DC Motor or Related Abnormality 149 6 4 Humidifier or Related Abnormality 151 6 5 Thermistor or Related Abnormality 152 6 6 Presence Sensor or Floor Sensor Abnormality 153 6 7 Remote Controller Thermistor Abnormality 154 6 8 Signal Tr...

Страница 128: ...t 184 7 18 Electrical Box Temperature Rise 186 7 19 Radiation Fin Temperature Rise 187 7 20 Output Overcurrent Detection 188 8 Check 190 8 1 Thermistor Resistance Check 190 8 2 Indoor Fan Motor Connector Check 191 8 3 Hall IC Check 191 8 4 Power Supply Waveform Check 192 8 5 Electronic Expansion Valve Check 193 8 6 Four Way Valve Performance Check 194 8 7 Inverter Unit Refrigerant System Check 194...

Страница 129: ...peration Operation lamp OFF Check the outdoor temperature Heating cooling operations are not available when the outdoor temperature is out of the operation limit Check the reference page for the operation limit 240 Diagnose with remote controller indication 133 134 Some indoor units do not operate Check the type of the indoor units Check if the indoor unit type is compatible with the outdoor unit ...

Страница 130: ... the indoor or outdoor unit is activated or when the thermistor malfunctions 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages CTXG series FVXS series CTXS FTXS series CDXS FDXS series Operation lamp multi monitor lamp R24043 R23939 Operation lamp green R23940 Operation lamp green Operatio...

Страница 131: ...multi system outdoor unit 2 If not set all the indoor units to the same operation mode and confirm that the operation lamp is not blinking 3 Moreover when the operation mode is automatic set all the indoor unit operation mode as cooling or heating and check again if the operation lamp is normal If the lamp stops blinking after the above steps there is no malfunction Operation stops and operation l...

Страница 132: ... LEDs LED 1 LED 5 on the PCB When the microcomputer works in order the LED A blinks and when the system is in normal condition the red LEDs are OFF Even after the error is canceled and the unit operates in normal condition the LED indication remains R23944 A 1 2 3 4 5 LED A LED 1 LED 2 LED 3 LED 4 LED 5 Service monitor PCB ...

Страница 133: ...ort beep or two consecutive beeps indicate non corresponding codes 2 To return to the normal mode hold down TIMER CANCEL button for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error code try method 2 Refer to page 122 No Code No Code No Code 1 00 13 C7 25 UA 2 U4 14 A3 26 U...

Страница 134: ...the long beep 3 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side number does not long beep Both the left side and right side number correspond with the error code The numbers indicated when you hear the long beep are the error code Refer to page 133 134 4 Press MODE ...

Страница 135: ...r does not long beep Both the left side and right side number corresponds with the error code 7 Determine the error code The numbers indicated when you hear the long beep are the error code Refer to page 133 134 8 Press MODE button to exit from the diagnosis mode The display means the trial operation mode Refer to page 206 for trial operation 9 Press ON OFF button twice to return to the normal mod...

Страница 136: ...cate non corresponding codes 2 To return to the normal mode hold down Timer Cancel button for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the error code try method 2 Refer to page 125 No Code No Code No Code 1 00 14 U0 27 UA 2 A5 15 C7 28 UH 3 E7 16 A3 29 P4 4 F3 17 H8 30 H7 5 ...

Страница 137: ... the same time 5C is displayed on the LCD 2 Select 5C service check with Temp or Temp button 3 Press Mode button to enter the service check mode The left side number blinks 4 Press Temp or Temp button and change the number until you hear the two consecutive beeps or the long beep R24046 R11821 R24047 R11670 R24048 ...

Страница 138: ...s 7 Press Temp or Temp button and change the number until you hear the long beep 8 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side number does not long beep Both the left side and right side numbers correspond with the error code 9 Determine the error code The numbe...

Страница 139: ...ter Auto Clean Maintenance Information Configuration Current Settings Clock Calendar Daylight Saving Time Language Press Cancel button once Press Menu OK button once Basic Screen Operation mode changeover Fan speed control Menu display Confirmation of each setting On Off Cancel Operation lamp Press Cancel button for 4 seconds or more Press Cancel button once Press Cancel button for 4 seconds or mo...

Страница 140: ...ton Operation lamp 2 Error Code A1 Contact Info 0123 456 7890 Indoor Model 000 Outdoor Model 000 If an error occurs either one of the following items will flash in the basic screen The Operation lamp will flash For Simple display the message is not displayed and only the Operation lamp flashes The Operation lamp will not flash For Simple display the message is not displayed and the Operation lamp ...

Страница 141: ... made z Filter cleaning sign time z Others Following codes can be checked z Error codes z Indoor model code Service data can be obtained z Error code history z Temperature data of various sections Service settings can be made z Forced fan ON z Airflow rate setting Press INSPECTION TEST OPERATION button once Press ON OFF button within 10 seconds to start test operation Test operation will stop auto...

Страница 142: ...TOR button The left 0 upper digit indication of the error code blinks Step Action UP button DOWN button R15408 If you hear Then 3 short beeps Follow all steps below 1 short beep Follow steps 3 and 4 Continue the operation in step 4 until you hear a long beep This long beep indicates that the error code is confirmed 1 long beep There is no abnormality R24051 OPERATION MODE SELECTOR button ...

Страница 143: ... Press OPERATION MODE SELECTOR button The right 0 lower digit indication of the error code blinks Step Action UP button DOWN button R15411 UP DOWN 4 5 6 7 8 9 U P L J F H E C A 0 If you hear Then 2 short beeps The upper digit matches 1 short beep No digits match 1 long beep Both upper and lower digits match R24052 OPERATION MODE SELECTOR button ...

Страница 144: ...TION MODE SELECTOR button to return to the normal mode If you do not press any button for 1 minute the remote controller automatically returns to the normal mode Step Action UP button DOWN button R15413 UP DOWN F E J C H A 9 8 7 6 5 4 3 2 1 0 If you hear Then 2 short beeps No digits match 1 long beep Both upper and lower digits match R24053 OPERATION MODE SELECTOR button ...

Страница 145: ...r between indoor unit and outdoor unit 144 UA Mismatching of indoor unit and outdoor unit 146 Error Codes Description Reference Page 00 Normal condition A1 Indoor unit PCB abnormality 147 A3 Drain level control system abnormality 148 A6 Indoor fan motor DC motor or related abnormality See the Note below 149 AF Humidifier or Related abnormality 151 C4 Indoor heat exchanger thermistor 1 or related a...

Страница 146: ...other rooms 165 j h h i i h U0 Refrigerant shortage 160 j i h h i h U2 Low voltage detection or over voltage detection 162 j h i h h h U3 Wiring Error Check Unexecuted 164 j i h i i h A5 Anti icing control for indoor unit 166 j i i i h h E1 Outdoor unit PCB abnormality 168 j i h i h h E5 OL activation compressor overload 169 j h i i h h E6 Compressor lock 171 j i i i i h E7 DC fan lock 172 j h i h...

Страница 147: ...door Unit PCB Abnormality Error Code A1 Method of Error Detection The system checks if the circuit works properly within the microcomputer of the indoor unit Error Decision Conditions The system cannot set the internal settings Supposed Causes Wrong models interconnected Defective indoor unit PCB Disconnection of connector Reduction of power supply voltage ...

Страница 148: ...he indoor and outdoor unit matched YES NO NO YES NO NO YES R23407 Caution To secure the connection disconnect the connectors once and then reconnect YES NO YES NO YES NO YES Match the compatible models Correct the power supply Replace the indoor unit PCB control PCB Completed Completed Correct the power supply Replace the indoor unit PCB control PCB Completed Be sure to turn off the power switch b...

Страница 149: ...2 F Heating peak cut control During heating operation the indoor heat exchanger temperature is above 65 C 149 F Supposed Causes Short circuited air Clogged air filter of the indoor unit Dust accumulation on the indoor heat exchanger Defective indoor heat exchanger thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 190 NO NO NO Check No 01 Check the indoor heat exchanger th...

Страница 150: ... rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor rotation speed Supposed Causes Remarkable decrease in power supply voltage Layer short inside the fan motor winding Breaking o...

Страница 151: ...e sure to turn off the power before reconnecting the connector Replace the indoor fan motor Replace the indoor unit PCB control PCB Replace the indoor unit PCB control PCB Does the fan rotate smoothly Does the fan rotate Motor power supply voltage 310 340 VDC Turn off the power and rotate the fan by hand Turn on the power and start operation Check No 02 Check the output of the fan motor connector ...

Страница 152: ...d detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap Supposed Causes Power supply voltage out of specification Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective c...

Страница 153: ...indoor fan motor Replace the indoor unit PCB control PCB Replace the indoor fan motor Replace the capacitor Replace the indoor unit PCB control PCB Replace the indoor fan motor Replace the indoor unit PCB control PCB Measure the voltage between the black and white lead wires of the fan motor and check if the maximum voltage reaches the rated voltage Check No 04 Check Hall IC Is there an output Che...

Страница 154: ... of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 190 C4 Indoor heat exchanger thermistor C9 Room temperature thermistor Note When replacing the defective thermistor s replace the thermistors as ASSY YES R21870 NO Check No 01 Check the thermistor resistance value YES NO Caution Correct the connection Replace the d...

Страница 155: ... 3 Turn on the power Wait until the initialization finishes Operate the unit by the indoor unit ON OFF button YES YES YES YES NO NO NO NO Replace the harness and reduction motor Replace the assembly of the front panel mechanism Check the movement of the right and left separately by hand Replace the assembly of the front panel mechanism It is supposed such as deformation of the panel or stuffed dus...

Страница 156: ...e outdoor unit is checked whether it is normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Reduction of power supply voltage Wiring error Breaking of the connection wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding Defective i...

Страница 157: ...etween the indoor unit and the outdoor unit Replace the outdoor unit PCB main PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any disturbance Is there any wiring error Check the connection wires between the indoor unit and the outdoor unit Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before conn...

Страница 158: ... Causes Wrong models interconnected Wrong wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R23001 Caution NO YES YES NO Match the compatible models OK Correct the connection Check the part numbers of the indoor and outdoor unit PCB with the Parts List If not matched change for the correct PCB Are the c...

Страница 159: ...ased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in logic circuits It functions like non volatile RAM but writing to EEPROM is slower than writing to RAM Supposed Causes Defective indoor unit PCB External factor noise etc Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors...

Страница 160: ...o turn off the power switch before connecting or disconnecting connectors or parts may be damaged Connect the drain pump Replace the indoor unit PCB control PCB Replace the drain pump There is a drain system abnormality Connect the float switch Replace the float switch Replace the indoor unit PCB control PCB R23963 NO YES NO NO YES YES Is the drain pump connected to the indoor unit PCB NO Is the d...

Страница 161: ...rror Detection The rotation speed detected by the Hall IC during indoor fan motor operation determines abnormal fan motor operation Error Decision Conditions The fan motor is not revved up Supposed Causes Layer short inside the fan motor winding Breaking of wire inside the fan motor Breaking of the fan motor lead wires Defective indoor unit PCB ...

Страница 162: ...n motor connector YES YES NO NO Note The motor may break when the motor connector is disconnected while the power is turned on Be sure to turn off the power before reconnecting the connector Replace the indoor unit PCB control PCB Replace the indoor unit PCB control PCB Motor power supply voltage 290 330 VDC or more R24054 YES NO Replace the indoor unit PCB control PCB Replace the indoor fan motor...

Страница 163: ...logged electric expansion value in humidifier s Defective indoor unit PCB Troubleshooting Note The system continues to operate with the thermostat OFF even while the error code is displayed YES YES NO NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged The float switch may be defective Check if the drain up height and the horizontal...

Страница 164: ...oceed as follows C4 Indoor heat exchanger thermistor 1 liquid pipe R2T C5 Indoor heat exchanger thermistor 2 R3T C9 Room temperature thermistor R1T Note When replacing the defective thermistor s replace the thermistors as ASSY Check No 01 Refer to P 190 Step Action 1 Disconnect the thermistor from the indoor unit PCB 2 Read the temperature and the resistance value 3 Check if the measured values co...

Страница 165: ...If the cause of the problem is related to the sensors the sensors should be checked prior to changing the indoor unit PCB Note When replacing the defective sensor s replace the sensor kit as ASSY R24577 YES NO Check the connection of connectors on the sensor kit YES NO Caution Correct the connection Connect the connectors properly Normal Normal Turn off the power Then turn on the power to restart ...

Страница 166: ...unit is running Supposed Causes Defective room temperature thermistor in the wired remote controller Defective wired remote controller PCB External factor such as noise Troubleshooting Note To delete the record of error codes press ON OFF button for 4 seconds or more while the error code is displayed in the inspection mode Replace the remote controller External factor other than equipment malfunct...

Страница 167: ... normal Error Decision Conditions The data sent from the outdoor unit cannot be received normally or the content of the data is abnormal Supposed Causes Power supply voltage out of specification Reduction of power supply voltage Wiring error Breaking of the connection wires between the indoor and outdoor units wire No 3 Defective outdoor unit PCB Short circuit inside the fan motor winding Defectiv...

Страница 168: ...r unit and the outdoor unit Replace the outdoor unit PCB main PCB Replace the connection wires between the indoor unit and outdoor unit Is LED A blinking Properly insulated Is there any disturbance Is there any wiring error Check the connection wires between the indoor unit and the outdoor unit Check the LED A on the outdoor unit PCB Be sure to turn off the power switch before connecting or discon...

Страница 169: ... and 223 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Are both remote controllers set to MAIN Do the service monitors of all the indoor units blink Does operation return to normal when the power is turned off momentarily NO NO YES YES NO Replace the indoor unit PCB control PCB Set 1 remote controller to SUB turn the power supply...

Страница 170: ...ollers when using 2 remote controllers Defective remote controller PCB Troubleshooting Note For the way to change MAIN SUB setting of remote controllers refer to pages 222 and 223 Turn the power off and then back on If a malfunction occurs replace the remote controller Turn the power off and then back on If a malfunction occurs replace the remote controller Set one remote controller to MAIN turn t...

Страница 171: ...wiring Check again YES YES NO NO Connect the indoor outdoor units correctly YES YES YES YES NO NO NO Blink R24591 Is the combination of indoor outdoor units correct Do the service monitors of all the indoor units blink Are the wirings between indoor unit and outdoor unit correctly connected Connect the wirings correctly NO Is the optional units power supply connected from the indoor unit terminal ...

Страница 172: ...be lower than the normal value Error Decision Conditions The following conditions continue for 7 minutes Input current A output frequency B Output frequency C If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of the discharge pipe thermistor indoor or outdoor heat exchanger thermistor room or outdo...

Страница 173: ... thermistor s Open the stop valve Repair the pipe flare or replace the union Check if any harnesses are in contact with the piping and correct as required Also replace any cracked pipes Check the connection of the power transistor harness Also replace any cracked pipes Replace the defective thermistor s Completed Refrigerant shortage error again Oil leak at internal piping Stop valve closed Compre...

Страница 174: ...nds Outdoor Unit Low voltage detection The voltage detected by the DC voltage detection circuit is below 150 V for 0 1 second If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Over voltage detection An over voltage signal is fed from the over voltage detection circuit to the microcomputer The compressor stops if the error occur...

Страница 175: ...he power supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortion Precaution before turning on the power again Make sure the power has been off for at least 30 seconds Replace the indoor unit PCB control PCB Turn on the power System restarted Repeat a few times Error again within 3 minutes after turning on the power Loose or disconnected NO YE...

Страница 176: ...ck after the memory was cleared Supposed Causes The wiring error switch SW3 may have been pressed for 10 seconds or more and the memory may have been deleted The unit cannot be operated unless wiring error check is executed Troubleshooting Note Refer to wiring error check on page 204 for details R23952 Caution NO YES Wiring error check executed Conduct wiring error check Wiring error check may not...

Страница 177: ...tdoor units Supposed Causes Anti icing function in other rooms Power supply voltage out of specification Wrong models interconnected Wrong indoor unit PCB or outdoor unit PCB mounted Troubleshooting Note Refer to Anti icing control for indoor unit on page 166 for details R21922 Caution NO YES NO YES NO YES Check the model combination Error displayed while operating Power supply voltage as specifie...

Страница 178: ...t are located in a shut down room Error Decision Conditions In cooling operation the both conditions A and B are met for 5 minutes A Room temperature Indoor heat exchanger temperature 10 C 18 F B Indoor heat exchanger temperature 1 C 30 2 F If the error repeats the system is shut down Reset condition 3 minute standby is over and the indoor heat exchanger temperature is above 0 C 32 F Supposed Caus...

Страница 179: ...place the outdoor heat exchanger thermistor Replace the room temperature thermistor Replace the room temperature thermistor or indoor heat exchanger thermistor Do the vacuum drying Replace the indoor unit PCB control PCB and then start the wiring error check function Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Check the wiring and pipi...

Страница 180: ...s in abnormal running order Supposed Causes Defective outdoor unit PCB Noise Momentary drop of voltage Momentary power failure Troubleshooting R21809 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged YES NO NO YES Replace the outdoor unit PCB main PCB Ground the system The cause can be external factors other than malfunction Investig...

Страница 181: ...rror repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Disconnection of discharge pipe thermistor Defective discharge pipe thermistor Disconnection of connector S40 Disconnection of 2 terminals of OL Q1L Defective OL Q1L Broken OL harness Defective electronic expansion valve or coil Defective four way valve or coil Defective...

Страница 182: ...tor Replace the electronic expansion valve or the coil Refer to the refrigerant line check procedure Replace the outdoor unit PCB main PCB Replace the four way valve or the coil Replace the outdoor unit PCB main PCB Discharge pipe thermistor disconnected Check No 01 Check the discharge pipe thermistor Check No 13 Check the four way valve Check No 14 Check the refrigerant line Check No 12 Check the...

Страница 183: ...Troubleshooting Check No 12 Refer to P 193 Check No 15 Refer to P 195 Turn off the power Disconnect the harnesses U V and W R21067 Caution NO YES YES NO NO YES NO YES Check No 15 Check with the inverter analyzer Turn off the power and reconnect the harnesses Turn on the power again and restart the system Precaution before turning on the power again Make sure the power has been off for at least 30 ...

Страница 184: ...es Disconnection of the fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 196 R20416 Caution YES YES NO YES NO NO YES NO Turn on the power Rotate the fan Check No 16 Check the rotation pulse input on the outdoor unit PCB main PCB Turn off the power and reconnect the connector Remove the foreign matters Replace the outdoo...

Страница 185: ...r to P 197 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged An input overcurrent may result from wrong internal wiring If the system is interrupted by an input overcurrent after the wires have been disconnected and reconnected for part replacement check the wiring again R21863 NO YES YES NO Start operation and measure the input curr...

Страница 186: ...ition continues for A seconds after the compressor has started Cooling operation The lowest liquid pipe temperature among the rooms in operation Tde 45 C 81 F Heating operation The highest liquid pipe temperature among the rooms in operation Tde 0 C 0 F Tde outdoor heat exchanger temperature Supposed Causes Disconnection of four way valve coil Defective four way valve coil or harness Defective out...

Страница 187: ...ctive or dust clogged Reconnect the thermistor s Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R20405 Refrigerant shortage Water mixed Stop valve Four way valve coil disconnected loose Harness disconnected Any thermistor disconnected Check No 01 Check the thermistors Check No 14 Check the refrigerant line Check No 13 Check the fo...

Страница 188: ...utdoor temperature thermistor Defective electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 190 Check No 12 Refer to P 193 Check No 14 Refer to P 194 A B 120 C 248 F 107 C 224 6 F R20417 Caution NG OK OK OK NG NG Discharge pipe thermistor Outdoor heat excha...

Страница 189: ... exchanger thermistor Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 190 Check No 12 Refer to P 193 Check No 17 Refer to P 197 Check No 18 Refer to P 197 Check No 19 Refer to P 198 R20418 Caution Replace the outdoor fan motor Reconnect the connector or fan motor lead wires Replace the stop valve Replace the outdoor heat exchanger thermistor Replace the outdoor unit PCB main PCB ...

Страница 190: ...efore the compressor starts The system checks the DC current of the compressor right after the compressor starts Error Decision Conditions The power supply voltage and the DC voltage is obviously low or high The DC current of the compressor does not flow when the compressor starts Supposed Causes Disconnection of reactor Disconnection of compressor harness Defective outdoor unit PCB Defective comp...

Страница 191: ...the outdoor unit PCB and measure the resistance value between reactor terminals with multimeter Disconnect the compressor relay harness from the outdoor unit PCB and measure the resistance value between the each 3 terminals of the compressor with multimeter Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged 10 Ω or less between each t...

Страница 192: ...mpressor running condition through the position detection circuit Error Decision Conditions If the error repeats the system is shut down Reset condition Continuous run for about 5 minutes without any other error Supposed Causes Power supply voltage out of specification Disconnection of the compressor harness Defective compressor Defective outdoor unit PCB Start up failure caused by the closed stop...

Страница 193: ...idge Check No 15 Check with the inverter analyzer Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical components or compressor harnesses connected as specified Replace the outdoor unit PCB main PCB Correct the power supply or replace the outdoor unit PCB main PCB Replace the compressor Reconnect the electrical components or co...

Страница 194: ...king the compressor running frequency and CT detected input current Error Decision Conditions The compressor running frequency is more than A Hz and input current is less than B A If the error repeats the system is shut down Reset condition Continuous run for about 60 minutes without any other error Supposed Causes Defective power module Broken or disconnected wiring Defective reactor Defective ou...

Страница 195: ...restart operation Check No 15 Check with the inverter analyzer Inverter analyzer RSUK0917C 100 50 Voltage within the allowable range Power supply voltage 15 Replace the outdoor unit PCB main PCB Check the power supply voltage Replace the outdoor unit PCB main PCB Replace the outdoor unit PCB main PCB Replace the compressor Capacitor charged when the indoor unit or outdoor unit main relay turns on ...

Страница 196: ...he power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature The system is shut down if all the units are judged as the J8 error Supposed Causes Disconnection of the connector for the thermistor Thermistor corresponding to the error code is defective Defective heat exchanger thermistor in the case of J3 error outdoor heat exchanger thermistor in coo...

Страница 197: ...ower than the heat exchanger temperature Replace the defective thermistor s Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Liquid pipe thermistor Gas pipe thermistor Cooling Outdoor heat exchanger thermistor Heating Indoor heat exchanger thermistor Replace the indoor heat exchanger thermistor Replace the outdoor unit PCB main PCB Error displayed again on...

Страница 198: ...ection of connector Defective outdoor unit PCB Troubleshooting Check No 17 Refer to P 197 Check No 19 Refer to P 198 A B C 100 C 212 F 70 C 158 F 85 C 185 F Caution WARNING To cool the electrical components the outdoor fan starts when the radiation fin temperature rises above C The outdoor fan stops when the radiation fin temperature drops below B R22272 YES NO YES NG NO OK NO YES Turn off the pow...

Страница 199: ...ied properly on the radiation fin after replacing the outdoor unit PCB Troubleshooting Check No 17 Refer to P 197 Check No 19 Refer to P 198 Note Refer to Silicone Grease on Power Transistor Diode Bridge on page 226 for details A B 90 C 194 F 85 C 185 F Caution Turn off the power Then turn on the power to restart the system Be sure to turn off the power switch before connecting or disconnecting co...

Страница 200: ...urs while the compressor is running A rotation speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection circuit to the microcomputer If the error repeats the system is shut down Reset condition Continuous run for about 5 minutes without any other error Supposed Causes Poor installation condition Closed stop valve Defective power m...

Страница 201: ...rror occurs Check the power supply voltage Monitor the power supply voltage discharge and suction pressures and other factors for a long term Possible causes Momentary drop of power supply voltage Compressor overload Short circuit Check the installation condition Check with the inverter analyzer Check the power module Not a malfunction Keep observing Check the connectors and other components Fully...

Страница 202: ... to measure the resistance When the connector of indoor heat exchanger thermistor is soldered on a PCB remove the thermistor and measure the resistance Thermistor temperature Resistance kΩ C F 20 4 197 8 15 5 148 2 10 14 112 1 5 23 85 60 0 32 65 93 5 41 51 14 10 50 39 99 15 59 31 52 20 68 25 02 25 77 20 00 30 86 16 10 35 95 13 04 40 104 10 62 45 113 8 707 50 122 7 176 R25 C 77 F 20 kΩ B 3950 K kΩ ...

Страница 203: ...e power on operation off and the connector connected check the following 1 Output voltage of about 5 V between pins 1 and 3 2 Generation of 3 pulses between pins 2 and 3 when the indoor fan motor is operating If NG in step 1 Æ Defective PCB Æ Replace the PCB control PCB If NG in step 2 Æ Defective Hall IC Æ Replace the indoor fan motor If OK in both steps 1 and 2 Æ Replace the PCB control PCB 7 6 ...

Страница 204: ...o 11 Measure the power supply waveform between No 1 and No 2 on the terminal board and check the waveform disturbance Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform disturbance near the zero cross sections circled in Fig 2 Fig 1 Fig 2 R1736 R1444 ...

Страница 205: ...ing sound varies depending on the valve type If the system keeps operating with a defective electronic expansion valve the following problem may occur Valveopening position Possible problem Check method Open Cooling Flowing noise of refrigerant in the unit which is not in operation Water leakage at the unit which is not in operation Operation half due to anti icing function Reset power supply and ...

Страница 206: ...alve coil Cooling Dry Defrost Not energized Heating energized Replace the outdoor unit PCB main PCB Replace the four way valve coil Replace the four way valve Four way valve coil resistance at 1000 2000 Ω S80 voltage at 208 230 VAC with compressor on Fig 1 R14674 Fig 1 Compressor ON Voltage at S80 208 230 VAC Time Refrigerant system check Is the discharge pipe thermistor disconnected from the hold...

Страница 207: ...harged voltage of the built in smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work Reference If the terminals of the compressor are not FASTON terminals difficult to remove the wire on the terminals it is possible to connect wires available on site to the outdoor unit from output side of PCB Do not connect them to the compressor at the same time otherwise...

Страница 208: ...rned due to loosening 8 9 Rotation Pulse Check on the Outdoor Unit PCB Check No 16 Outdoor fan motor Make sure that the voltage of 320 V is applied 1 Set operation off and power off Disconnect the connector S70 2 Check that the voltage between the pins 4 7 is 320 VDC 3 Check that the control voltage between the pins 4 3 is 15 VDC 4 Check that the rotation command voltage between the pins 4 2 is 0 ...

Страница 209: ...ry dirty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Change the installation location or direction Check the outdoor temperature The outdoor temperature should be within the operation range R21121 YES YES YES NO NO NO NO YES Is the air filter or indoor outdoor heat exchanger dirty Is the connection pipe deformed Is th...

Страница 210: ...ring to the table below If the resistance is or less than 1 kΩ short circuit occurs on the main circuit R21195 YES NO NO YES Outdoor fan system is functioning Check the outdoor fan system Reconnect the connector Is the outdoor fan running Fan motor lead wire connector disconnected Go to Check No 16 Positive terminal of digital multimeter 2 3 4 2 3 1 Negative terminal of digital multimeter 4 2 3 1 ...

Страница 211: ...ng to the drawing of the model in question Be careful never to touch any live parts To prevent an electrical shock use a multimeter to check that the voltage between FU2 and DC is 50 V or less The surface of the test points DC may be covered with the coating Be sure to make firm contact between the multimeter probes and the test points R21938 Multimeter DC voltage range FU2 DC Coating PCB Multimet...

Страница 212: ...e protrusion on the connector Follow the procedure below to measure resistance between the or terminal of the power module and the U V or W terminal of the compressor with a multimeter Evaluate the measurement results referring to the following table Positive terminal of digital multimeter Power module UVW Power module UVW Negative terminal of digital multimeter UVW Power module UVW Power module R...

Страница 213: ... 202 2 Forced Cooling Operation 203 3 Wiring Error Check Function 204 4 Trial Operation 206 4 1 CTXG CTXS FTXS CDXS FDXS FVXS Series 206 4 2 FFQ Series 208 5 Field Settings 211 5 1 Outdoor Unit 211 5 2 CTXG CTXS FTXS CDXS FDXS FVXS Series 213 5 3 FFQ Series 218 6 Silicone Grease on Power Transistor Diode Bridge 226 ...

Страница 214: ...tion when relocating or disposing of the unit 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 10 minutes close the liquid stop valve with a hexagonal wrench 4 After 2 3 minutes close the gas stop valve and stop the forced cooling operation Gas stop valve Close Liquid stop valve Valve caps Hexagonal wrench R14566 ...

Страница 215: ...rvice PC board switch cover 1 screw 4 Switch SW5 and SW6 to off 5 Turn the operation mode switch SW2 to COOL 6 Screw the service PC board switch cover back on 1 screw 7 Turn on the power 8 Push the forced operation switch SW1 above the service PC board cover The operation will start Forced cooling operation will stop automatically after about 10 minutes To stop the operation push the forced operat...

Страница 216: ... to use this function Procedure 1 Press the wiring error check switch SW3 on the service monitor PCB of the outdoor unit and the wiring error check function is activated 2 In about 15 20 minutes the check finishes automatically 3 When the check is over the service monitor LED indicators start blinking Self correction completed The LED indicators 1 2 18 class or 1 3 24 class blink one after another...

Страница 217: ...linking LED means the room that is connected with Port A The 2nd blinking LED means the one connected with Port B Ex Suppose the LED indicators are blinking as follows The above means that Port A is connected with Room B and Port B with Room A or self corrected this way Notes 1 Wrongly connected liquid and gas pipes cannot be self corrected Be sure to make the liquid pipe and the gas pipe in pairs...

Страница 218: ...n select the highest programmable temperature 30 C 86 F Trial operation may be disabled in either operation mode depending on the room temperature After trial operation is complete set the temperature to a normal level 26 28 C 78 82 F in cooling 20 24 C 68 75 F in heating For protection the system does not start for 3 minutes after it is turned off ARC452 Series 1 Press ON OFF button to turn on th...

Страница 219: ... 1 6 2 3 3 Test items Symptom diagnostic display on RC Indoor and outdoor units are installed properly on solid bases Fall vibration noise No refrigerant gas leaks Incomplete cooling heating function Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated Water leakage Draining line is properly installed Water leakage System is properly grounded Electrical leakage ...

Страница 220: ... and parts such as the movement of the flaps are working properly To protect the air conditioner restart operation is disabled for 3 minutes after the system has been turned off 4 After trial operation is complete set the temperature to a normal level 78 F to 82 F 26 C to 28 C in cooling operation 68 F to 75 F 20 C to 24 C in heating operation Caution When performing field settings or trial operat...

Страница 221: ...ccording to the setting For operation of airflow direction setting see the operation manual 7 After the operation of airflow direction is confirmed press Menu OK button Basic screen returns 8 Press and hold Cancel button for 4 seconds or longer in the basic screen Service settings menu is displayed 9 Select in the service settings menu and press Menu OK button Basic screen returns and normal opera...

Страница 222: ...mplete cooling heating function Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated Water leakage Draining line is properly installed Water leakage Does the power supply voltage correspond to that shown on the name plate No operation or burn damage Only specified wires are used for all wiring and all wires are connected correctly No operation or burn damage Sys...

Страница 223: ...pacity to the prioritized room and the capacities for the other indoor units will be slightly reduced 3 OUTDOOR UNIT QUIET operation When the OUTDOOR UNIT QUIET operation is selected in the prioritized room the outdoor unit runs quietly Without priority room setting OUTDOOR UNIT QUIET operation starts only when the function is set for all the operating indoor units Procedure 1 Turn the circuit bre...

Страница 224: ...o be used initial settings must be made when the unit is installed Explain the function of NIGHT QUIET mode as described below to the customer and confirm whether or not the customer wants to use NIGHT QUIET mode NIGHT QUIET mode function reduces operating noise of the outdoor unit at nighttime This function is useful if the customer is worried about the effects of the operating noise on the neigh...

Страница 225: ...set to the left side The heating operation will not be available when the DIP switch is set to the right side ARC466A21 ARC466A36 The remote controller is common to the heat pump model and cooling only model Caution Replace the remote controller if you cut the jumper on the left side The heating operation will not be available when the jumper on the left side is cut R18201 DIP switch Heat pump mod...

Страница 226: ...renheit or Celsius for temperature display ARC452A21 ARC452A23 Press TEMP and TEMP buttons at the same time for 5 seconds to change the unit of temperature display ARC466A21 ARC466A36 Press the upper side of Temp button and On button at the same time for 5 seconds to change the unit of temperature display R14477 R22009 ...

Страница 227: ...mote controller Refer to the following pages for the appropriate indoor unit and wireless remote controller CTXG CTXS FTXS Series 1 Remove the front grille 2 Remove the electrical box 3 Remove the shield plate of the electrical box 4 Cut the address setting jumper JA on the PCB Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessary for electronic circuit Improper oper...

Страница 228: ...connectors S1 S41 S42 4 Remove the electric box 1 screw 5 Pull out the indoor heat exchanger thermistor 6 Remove the shield plate 8 tabs 7 Cut the address setting jumper JA on the indoor unit PCB Caution Replace the PCB if you accidentally cut a wrong jumper Jumpers are necessary for electronic circuit Improper operation may occur if you cut any of them 1 2 3 R22010 ADDRESS JA EXIST CUT 1 2 JA Con...

Страница 229: ...JU page 25 FVXS09 12 15 18NVJU page 27 ARC452 series ARC466 series Jumper ADDRESS R12065 EXIST CUT 1 2 R18416 ADDRESS EXIST 1 CUT 2 Jumper Do not cut the left jumper Jumper on indoor unit PCB Function When connected factory setting When cut JB Fan speed setting when compressor stops for thermostat OFF effective only at cooling operation Fan speed setting Remote controller setting The fan stops JC ...

Страница 230: ...mote controller Wired Remote Controller BRC1E73 a Unit No b First code No c Second code No d Mode 1 Press and hold Cancel button for 4 seconds or longer Service settings menu is displayed 2 Select in the Service Settings menu and press Menu OK button Field settings screen is displayed a b c d R18831 Basic screen 1 Set temperature 28 C Fan Return Press the menu button Press and hold Cancel button f...

Страница 231: ... it can be changed When SECOND CODE NO is displayed as there is no function 6 Press Menu OK button Setting confirmation screen is displayed 7 Select and press Menu OK button Setting details are determined and field settings screen returns 8 In the case of multiple setting changes repeat 3 to 7 9 After all setting changes are completed press Cancel button twice 10 Backlight goes out and Checking th...

Страница 232: ...ast 4 seconds to enter the Field Set mode 2 Select the desired Mode No with the MODE button 3 Press the button and select the First code No 4 Press the button and select the Second code No 5 Press the RESERVE button to confirm the settings 6 Press the TEST button to quit the Field Set mode and to return to normal display again RESERVE button Mode No Field setting mode UP button DOWN button First c...

Страница 233: ... Enabled Disabled 3 Filter cleaning sign Display No display 12 22 0 Optional accessories output selection field selection of output for adaptor for wiring Compressor Operation output Error output Outdoor air intake Presence sensor 13 23 0 High air outlet velocity for high ceiling applications 2 7 m 8 7 8 ft 2 7 3 0 m 8 7 8 9 13 16 ft 3 0 3 5 m 9 13 16 11 1 2 ft 1 Selection of airflow direction set...

Страница 234: ... when the above message is displayed Hold Mode button for 4 seconds or longer to set When the display is changed from Main RC to Sub RC the setting is completed 2 Basic screen is displayed Main remote controller Sub remote controller 1 Checking the connection Please stand by Error Code U5 Main RC 1 Checking the connection Please stand by Error Code U5 Main RC Basic screen 2 Basic screen 2 Checking...

Страница 235: ...th 1 indoor unit change the MAIN SUB switch of the transmitter board Transmitter Board Wireless address switch Set the wireless address setting switch SS2 on the transmitter board according to the table below MAIN SUB switch When using both a wired and a wireless remote controller for 1 indoor unit the wired controller should be set to MAIN Therefore set the MAIN SUB switch SS1 of the transmitter ...

Страница 236: ...remote controller etc the indoor unit sometimes does not respond to ON OFF command or temperature setting command from the wireless remote controller Check what setting the customer needs and make the multiple setting as shown below Field setting mode Address Multiple setting R14401 Display setting Remote controller display Result of the display setting in case the target indoor unit is simultaneo...

Страница 237: ...onding unit number labels onto both air outlet of the decoration panel and onto back of the wireless remote controller Note Set the unit No of the receiver and the wireless remote controller to be the equal If the settings differ the signal from the remote controller cannot be transmitted R24066 ...

Страница 238: ... bridge Details 1 Wipe off the old silicone grease completely 2 Apply the silicone grease evenly See the illustrations below for examples of application 3 Tighten the screws of the power transistor diode bridge 4 Make sure that the heat radiation parts are firmly contacted to the radiation fin Note Smoke emission may be caused by bad heat radiation when the silicone grease is not appropriately app...

Страница 239: ...SiUS121632EA Appendix 227 Part 8 Appendix 1 Piping Diagrams 228 1 1 Indoor Unit 228 1 2 Outdoor Unit 231 2 Wiring Diagrams 232 2 1 Indoor Unit 232 2 2 Outdoor Unit 238 3 Operation Limit 240 ...

Страница 240: ...r unit 1 4 CuT 3 8 CuT Heat exchanger thermistor Heat exchanger Crossflow fan Fan motor Field piping 1 2 CuT Field piping 1 4 CuT Refrigerant flow Cooling Heating INDOOR UNIT 1 4 CuT HEAT EXCHANGER CROSS FLOW FAN FIELD PIPING 1 4 CuT M FAN MOTOR FIELD PIPING 3 8 CuT 3 8 CuT REFRIGERANT FLOW COOLING HEATING 4D074606 THERMISTOR ON HEAT EXCH INDOOR UNIT 5 16 CuT DISTRIBUTOR HEAT EXCHANGER CROSS FLOW ...

Страница 241: ...PING 1 2 12 7mm CuT 1 2 12 7mm CuT REFRIGERANT FLOW COOLING HEATING 4D075271 THERMISTOR ON HEAT EXCH INDOOR UNIT MUFFLER ASSY HEAT EXCHANGER 1 4 CuT 9 32 CuT 1 4 CuT 1 4 CuT 1 4 CuT M FAN MOTOR TURBO FAN 1 4 CuT 3 8 CuT FIELD PIPING 1 4 CuT FIELD PIPING 3 8 CuT THERMISTOR ONHEATEXCH REFRIGERANT FLOW COOLING HEATING 4D091794 1 4 CuT 9 32 CuT 1 4 CuT 1 4 CuT 1 4 CuT 1 4 CuT M 1 4 CuT 1 4 CuT 3 8 CuT...

Страница 242: ...230 Appendix FFQ09 12 15 18Q2VJU 4D106033 HEAT EXCHANGER FAN REFRIGERANT FLOW COOLING HEATING FFQ09Q2VJU 1 4 6 4 3 8 9 5 1 2 12 7 FFQ12Q2VJU FFQ15Q2VJU FFQ18Q2VJU MODEL A B LIQUID PIPE CONNECTION PORT φA GAS PIPE CONNECTION PORT φB ...

Страница 243: ...PIPING LIQUID ROOM A 1 4 CuT ROOM B 1 4 CuT LIQUID PIPE THERMISTOR ELECTRONIC EXPANSION VALVE 3D101223 OUTDOOR UNIT HEAT EXCHANGER EVA EVB EVC HEADER 5 16 CuT 5 16 CuT 5 16 CuT 1 4 CuT 1 4 CuT 1 4 CuT 5 16 CuT FILTER 5 16 CuT 1 2 CuT 5 16 CuT HEADER 5 16 CuT 5 16 CuT 3 8 CuT 5 8 CuT 3 8 CuT DISTRIBUTOR DC FAN MOTOR 3 8 CuT M CAPILLARY TUBE 1 2 CuT PROPELLER FAN 3 8 CuT 5 8 CuT 1 2 CuT HEADER MUFFL...

Страница 244: ... BLK BLK BLK BLK BLK BLK BLK BLK WHT RED BLU BRN ORG WHT RED GRN YLW GRN YLW RED ORG YLW BLU OUTDOOR INDOOR Field wiring NOTE When the main power is turned off and then back on again operation will resume automatically Wiring diagram FG F1U F2U H1P H2P R1T R2T S25 S200 S1W S1C X1M BZ M1F M1S M3S M1 A1P A3P TRC WRC IES SR H1 H3 MR10 V1 C101 C102 Frame ground Fuse Pilot lamp Thermistor Connector Ope...

Страница 245: ...6 11 3 1 4 15 9 1 14 5 8 7 10 BLK BLK BLK BLK BLK PNK PNK PNK BLU BLU BLU ORG ORG ORG RED RED RED YLW YLW YLW S48 PCB2 t 1 3 INDOOR R2T MSW MSW MSW M3S M2S M1S LED1 H1P LED2 H2P LED3 H3P RTH1 R1T INTELLIGENT EYE SENSOR WIRELESS REMOTE CONTROLLER SIGNAL RECEIVER TRANSMISSION CIRCUIT FU1 F1U MS 3 GRN YLW CAUTION NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AN...

Страница 246: ...3 8 14 BLK BLK BLK BLK BLK PNK PNK PNK BLU BLU BLU ORG ORG ORG RED RED RED YLW YLW YLW S48 PCB2 t 1 3 INDOOR R2T MSW MSW MSW M1S M3S M2S WIRING DIAGRAM LED1 H1P LED2 H2P LED3 H3P RTH1 R1T INTELLIGENT EYE SENSOR WIRELESS REMOTE CONTROLLER SIGNAL RECEIVER FU1 F1U TRANSMISSION CIRCUIT FU2 F2U MS 3 GRN YLW FIELD WIRING NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED O...

Страница 247: ...K S7 10 10 1 GRY YLW RTH1 S32 2 1 2 1 3 C1 WHT BRN BRN t M t 1 Q1M PPL R1T INDOOR 130 C 266 F BLU R2T M1F WIRELESS REMOTE CONTROLLER TRANSMISSION CIRCUIT NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN H1P H3P M1F A1P A2P Q1M R1T R2T S1 S32 RTH1 S1W V1TR X1M PILOT LAMP FAN MOTOR PRINTED CIRCUIT BOARD THERMAL PROTECTOR FOR MOTOR THERMISTO...

Страница 248: ...ORG WHT 1 S42 HA S21 t RED 1 ORG S49 S48 M YLW M1S PNK R1T BLU 6 PCB1 S41 RED 1 t ORG M YLW S32 M2S PNK BLU R2T 5 INDOOR WIRELESS REMOTE CONTROLLER SIGNAL RECEIVER TRANSMISSION CIRCUIT NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN F1U F2U H1P H2P M1F M1S M2S PCB1 PCB4 R1T R2T S1 S49 S1W S2W 4 S4W X1M E3 E4 PROTECTIVE GROUND FUSE PILOT ...

Страница 249: ...C RELAY FAN MOTOR DRAIN PUMP MOTOR SWING MOTOR SWITCHING POWER SUPPLY FLOAT SWITCH NOISE FILTER FERRITE CORE FERRITE CORE DIODE BRIDGE RECEIVER TRANSMITTER TERMINAL BLOCK TERMINAL BLOCK THERMISTOR AIR THERMISTOR COIL A1P H2P H1P C105 DS1 H3P H4P SS1 SS2 A4P A5P R4T X24A X33A X35A X81A F1U HAP K2R M1F M1P R1T S1L V1R X1M X2M Z1F Z1C Z2C PS RC TC BS1 M1S M2S M3S M4S R2T R3T DIP SWITCH ON PCB FUSE F ...

Страница 250: ...R9T R3T R4T R1T R10T Q1L Y1E Y2E ROOM A ROOM A ROOM B ROOM B DISCHARGE CONDENSER OUTDOOR OUTDOOR INDOOR GAS PIPE LIQUID PIPE FIELD WIRING TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A WHT ROOM A RED ROOM B FU3 30A SKY BLU FU1 3 15A FU2 3 15A MS 3 C110 DB1 FU1 FU2 FU3 IPM1 L1 L2 LED1 LED5 LEDA M1C M1F CAPACITOR DIODE BRIDGE FUSE INTELLIGENT POWER MODULE LIVE PILOT LAMP COMPRESSOR MOTOR FAN MOTOR MR4 ...

Страница 251: ...1L Y3E Y1E Y2E ROOM B ROOM B ROOM A ROOM C ROOM A ROOM C DISCHARGE OUTDOOR CONDENSER INDOOR OUTDOOR FIELD WIRING POWER SUPPLY TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A TO INDOOR UNIT ROOM C FU3 30A WIRING DIAGRAM BLU SKY FU1 3 15A FU2 3 15A MS 3 LIQUID PIPE GAS PIPE WHT ROOM A RED ROOM B BLU ROOM C SHEET METAL C110 DB1 FU1 FU2 FU3 IPM1 L1 L2 LED1 LED5 LEDA M1C M1F CAPACITOR DIODE BRIDGE FUSE INT...

Страница 252: ...41 42 8 Outdoor temp FDB Pull down period Continuous operation Outdoor temp FWB FDB Continuous operation 14 13 13 82 4 98 6 57 2 68 73 4 89 6 Indoor temp FWB FDB 50 68 86 Notes Indoor temp FDB The graphs are based on the following conditions Equivalent piping length Level difference Airflow rate 25ft 0ft High 3D101428 ...

Страница 253: ...Revision History Month Year Version Revised contents 09 2016 SiUS121632E First edition 03 2017 SiUS121632EA Model addition FFQ18Q2VJU ...

Страница 254: ...ized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the user s manual carefully before using this product The user s manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any inquiries please contact your local importer dis...

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