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ARC452A21

SiUS121630EA

102

Remote Controller

3. ARC452A21

Reference

Refer to the following pages for details.

1 POWERFUL operation ..........................................................................................................P.54

< ARC452A21 >

Signal transmitter

Receiver

POWERFUL

button

• Starts POWERFUL operation.

Display (LCD)

ON/OFF button

Auto

Indoor unit quiet

Low

Middle low

Middle

Middle high

High

• Press this button once to

start operation.
Press once again to stop it.

• Displays the current settings.

(In this illustration, each section is
shown with all its displays on for the
purpose of explanation.)

FAN setting 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.

(R24595)

• 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 curtain, the unit will not
operate.

• Do not drop the remote controller. Do

not get it wet.

• The maximum distance for

communication is approximately 23 ft.
(7 m).

• Changes the temperature setting.

TEMPERATURE
adjustment buttons

: AUTO

: DRY

: COOL

: HEAT

: FAN

18 ~ 30

(64 ~ 86

Not available

18 ~ 32

(64 ~ 90

10 ~ 30

(50 ~ 86

Not available

Содержание 2MXS18NMVJU

Страница 1: ...Service Manual 2 3 4MXS N Series SiUS121630EA Applied Models z Inverter Multi Heat Pump Multi Split Type Air Conditioners ...

Страница 2: ...W FDXS09LVJU FVXS09NVJU FFQ09Q2VJU CTXG09QVJUS FDXS12LVJU FVXS12NVJU FFQ12Q2VJU CTXG12QVJUW CDXS15LVJU FVXS15NVJU FFQ15Q2VJU CTXG12QVJUS CDXS18LVJU FVXS18NVJU FFQ18Q2VJU CTXG18QVJUW CDXS24LVJU CTXG18QVJUS CTXS07LVJU FTXS09LVJU FTXS12LVJU FTXS15LVJU FTXS18LVJU FTXS24LVJU Outdoor Unit 2MXS18NMVJU 3MXS24NMVJU 4MXS36NMVJU ...

Страница 3: ...LVJU FTXS09 12LVJU 23 1 3 FTXS15 18 24LVJU 25 1 4 FDXS09 12LVJU CDXS15 18 24LVJU 27 1 5 FVXS09 12 15 18NVJU 29 1 6 FFQ09 12 15 18Q2VJU 31 2 Wired Remote Controller 32 2 1 BRC1E73 32 3 Wireless Remote Controller Kit 33 3 1 BRC082A41W BRC082A42W S 33 4 Outdoor Unit 34 Part 4 Functions and Control 37 1 Common Functions 39 1 1 Temperature Control 39 1 2 Frequency Principle 39 2 CTXG CTXS FTXS CDXS FDX...

Страница 4: ... Other Functions 79 4 Control Specification 80 4 1 Thermistor Functions 80 4 2 Mode Hierarchy 82 4 3 Frequency Control 83 4 4 Controls at Mode Changing Start up 85 4 5 Discharge Pipe Temperature Control 86 4 6 Input Current Control 87 4 7 Freeze up Protection Control 88 4 8 Heating Peak cut Control 88 4 9 Outdoor Fan Control 89 4 10 Liquid Compression Protection Function 89 4 11 Defrost Control 90...

Страница 5: ... or Related Abnormality 152 6 5 Thermistor or Related Abnormality 153 6 6 Presence Sensor or Floor Sensor Abnormality 154 6 7 Remote Controller Thermistor Abnormality 155 6 8 Signal Transmission Error Between Indoor Unit and Outdoor Unit 156 6 9 Signal Transmission Error Between Indoor Unit and Remote Controller 158 6 10 Signal Transmission Error Between MAIN Remote Controller and SUB Remote Contr...

Страница 6: ...tion Pulse Check on the Outdoor Unit PCB 197 8 10 Installation Condition Check 198 8 11 Discharge Pressure Check 198 8 12 Outdoor Fan System Check 199 8 13 Main Circuit Short Check 199 8 14 Capacitor Voltage Check 200 8 15 Power Module Check 201 Part 7 Trial Operation and Field Settings 202 1 Pump Down Operation 203 2 Forced Cooling Operation 204 3 Wiring Error Check Function 205 4 Trial Operation...

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: ...SiUS121630EA 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: ...orrosion 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 INTELL...

Страница 16: ...atment 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 Powe...

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: ...gnosis 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 Flexible powe...

Страница 19: ...d left Anti corrosion treatment of outdoor heat exchanger z z 3 D airflow COMFORT AIRFLOW operation Flexibility Multi split split type compatible indoor unit Comfort Control Auto fan speed Indoor unit quiet operation Flexible power supply correspondence NIGHT QUIET mode automatic z z High ceiling application OUTDOOR UNIT QUIET operation manual z z Chargeless 98 4 ft 30 m 131 6 ft 40 m INTELLIGENT ...

Страница 20: ...SiUS121630EA 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 15 1 5 FFQ Series 16 2 Outdoor Unit 17 ...

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: ...und Pressure Level H M L SL dB A 45 40 35 32 43 38 33 30 46 41 36 33 45 40 35 32 Sound Power Level dB 61 59 62 61 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connections Liquid in mm φ 1 4 φ 6 4 φ 1 4 φ 6 4 Gas in mm φ 1 2 φ 12 7 φ 1 2 φ 12 7 Drain in mm φ 5 8 φ 16 φ 5 8 φ 16 Drawing No 3D075043A 3D075044A Model FTXS24LVJU Cooling Heating Rated Capacity 24 kBtu h Cla...

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: ... 0 79 0 79 Power Consumption Rated W 160 160 Power Factor Rated 90 3 92 8 Temperature Control Microcomputer Control Dimensions H W D in mm 7 7 8 43 5 16 24 7 16 200 1 100 620 Packaged Dimensions H W D in mm 10 1 2 52 1 16 30 1 4 266 1 323 768 Weight Mass Lbs kg 66 30 Gross Weight Gross Mass Lbs kg 84 38 Sound Pressure Level H M L SL dB A 38 36 34 32 38 36 34 32 Heat Insulation Both Liquid and Gas ...

Страница 27: ...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 8 300 8 5 SL 2...

Страница 28: ...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 29: ...g Current A 14 0 Dimension 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 9 16 17 1 2 810 1 056 444 Weight Mass Lbs kg 123 56 Gross Weight Gross Mass Lbs kg 141 64 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 2 φ 12 7 1 Drain in mm φ 11 16 φ 18 0 Heat Insulation Both Liquid and Gas Pipes No ...

Страница 30: ...ent A 15 5 Dimension 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 9 16 17 1 2 810 1 056 444 Weight Mass Lbs kg 137 62 Gross Weight Gross Mass Lbs kg 154 70 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 11 16 φ 17 5 Heat Insulation Both Liquid and Gas Pipes No of Wir...

Страница 31: ...5 Dimension 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 9 16 17 1 2 810 1 056 444 Weight Mass Lbs kg 139 63 Gross Weight Gross Mass Lbs kg 157 71 Sound Pressure Level dB A 54 56 Piping Connections Liquid in mm φ 1 4 4 φ 6 4 4 Gas in mm φ 3 8 1 φ 1 2 2 φ 5 8 1 φ 9 5 1 φ 12 7 2 φ 15 9 1 Drain in mm φ 11 16 φ 17 5 Heat Insulation Both Liquid and Gas Pipes N...

Страница 32: ... Indoor Unit 21 1 1 CTXG09 12 18QVJUW S 21 1 2 CTXS07LVJU FTXS09 12LVJU 23 1 3 FTXS15 18 24LVJU 25 1 4 FDXS09 12LVJU CDXS15 18 24LVJU 27 1 5 FVXS09 12 15 18NVJU 29 1 6 FFQ09 12 15 18Q2VJU 31 2 Wired Remote Controller 32 2 1 BRC1E73 32 3 Wireless Remote Controller Kit 33 3 1 BRC082A41W BRC082A42W S 33 4 Outdoor Unit 34 ...

Страница 33: ...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 218 for details 11 JC...

Страница 34: ...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 216 for details S52 S51 S1W JA H2P H1P 3P357402 2 1 S36 Connector for control PCB A1P...

Страница 35: ...S25 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 216 for details 10 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 218 for details ...

Страница 36: ...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 37: ...nnector 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 216 for details 10 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 218 for details 11 JC ...

Страница 38: ...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 39: ...n 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 216 for details 9 JB Fan speed setting when compressor stops for thermostat OFF Refer to page 218 for details...

Страница 40: ... 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 41: ... 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 216 for details 12 JB Fan speed setting when compressor stops for thermostat OFF R...

Страница 42: ...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 218 for details Keep the other switches as factory setting 3 SW4 S4W Switch for airflow selection Refer to page 44 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 43: ...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 44: ...ller SiUS121630EA 32 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 45: ...P 2 X2A Connector for control PCB A1P 3 SS1 MAIN SUB setting switch Refer to page 224 for details 4 SS2 Address setting switch Refer to page 224 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 sign red 6 LED4 H4P LED for defrost operat...

Страница 46: ...rt 24 36 class 6 S23 yellow Connector for electronic expansion valve coil D port 36 class 7 S40 Connector for overload protector 8 S70 Connector for DC fan motor 9 S80 Connector for four way valve coil 10 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe 11 S92 Connector for gas pipe thermistor 12 S93 Connector for liquid pipe thermistor 13 S201 S202 Connector...

Страница 47: ...SiUS121630EA Outdoor Unit Printed Circuit Board Connector Wiring Diagram 35 V401 FU1 E1 E2 HL1 HN1 V3 V2 FU3 S S15 S23 S22 S21 S20 S201 S92 S90 S93 S40 S70 FU2 S80 U V W S202 2P350358 10 2P350358 11 ...

Страница 48: ...reen 3 LED1 LED5 LED for service monitor red 4 SW1 Forced operation ON OFF switch Refer to page 204 for details 5 SW2 Operation mode switch Refer to page 204 for details 6 SW3 Wiring error check switch Refer to page 205 for details 7 SW4 Priority room setting switch Refer to page 212 for details 8 SW6 1 NIGHT QUIET mode setting switch Refer to page 213 for details 3P346711 10 S502 SW6 1 SW2 SW3 LE...

Страница 49: ...er Functions 63 3 FFQ Series Functions 65 3 1 Airflow Direction Control 65 3 2 Fan Speed Control for Indoor Unit 65 3 3 Program Dry Operation 66 3 4 Clock and Calendar Setting With Wired Remote Controller BRC1E73 67 3 5 Schedule TIMER Operation With Wired Remote Controller BRC1E73 69 3 6 Setback Function With Wired Remote Controller BRC1E73 73 3 7 Drain Pump Control 73 3 8 Hot Start Control In Hea...

Страница 50: ...S121630EA 38 Functions and Control 4 10 Liquid Compression Protection Function 89 4 11 Defrost Control 90 4 12 Low Hz High Pressure Limit 91 4 13 Electronic Expansion Valve Control 92 4 14 Malfunctions 97 ...

Страница 51: ... 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 52: ...um and maximum frequency Forced Cooling Operation Refer to page 204 for details 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 frequency increases the rotation speed of the compressor increases resulting in an increase of refrigerant cir...

Страница 53: ...e volume of air downward to the floor and provides an optimum control in cooling dry and heating operation Cooling Dry 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...

Страница 54: ... Cooling Dry Heating Fan 09 12 18 class Flap up and down Louver right and left Cooling Dry Heating Fan 07 09 12 class 15 18 24 class Flap up and down Cooling Dry Heating Upward airflow limit OFF R6831 R6829 Upward airflow limit ON R6832 R6830 R23915 50 30 R23916 65 30 R21084 25 50 35 35 R21085 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 ...

Страница 55: ...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 56: ... 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 57: ... 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 58: ...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 59: ...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 60: ...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 61: ...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 62: ... 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 control...

Страница 63: ...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 64: ...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 65: ...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 66: ...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 67: ...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 68: ...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 69: ...ings are used from Monday through Friday while different timer settings are used for the weekend Make timer settings for programs Tuesday to Friday Saturday Sunday Program 1 Program 2 Program 3 Program 4 Use the copy mode to make settings for Tuesday to Friday because these settings are the same as those for Monday Program 1 Program 2 Program 3 Program 4 No timer settings Make timer settings for p...

Страница 70: ...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 71: ... 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 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ...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 81: ...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 73 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 82: ...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 83: ...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 84: ... 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 85: ...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 86: ... 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 87: ...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 88: ...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 89: ...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 90: ...on air temperature but floor temperature This function is enabled when decoration panel BYFQ60C2WAW S and sensor kit BRYQ60A2W 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 91: ... 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 92: ...scharge pipe temperature 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 thermis...

Страница 93: ...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 94: ...de 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 ope...

Страница 95: ... 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 96: ...ng 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 Freque...

Страница 97: ...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 the operation as the four way valve is switched the pressure difference to activate the four way valve is acquired when the output frequency is hig...

Страница 98: ...erature from rising further Details 18 class 24 36 class A Hz 55 35 55 B Hz 65 48 65 C Hz 80 70 80 D seconds 180 120 E seconds 360 200 500 F seconds 400 180 470 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 Reset zone ...

Страница 99: ...pped 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 The current drops when out...

Страница 100: ...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 101: ...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 102: ...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 103: ... class 24 36 class A minutes 33 26 B C 4 12 4 12 C F 39 2 53 6 39 2 53 6 D Hz 58 58 E Hz 74 42 F seconds 60 90 G seconds 120 60 H seconds 650 590 J seconds 80 40 K pulse 320 400 L pulse 300 250 M pulse 300 300 N pulse 320 400 P pulse 160 50 Q pulse 160 0 18 class 24 36 class A 60 C 140 F 38 5 C 101 3 F B 59 C 138 2 F 37 5 C 99 5 F C 56 C 132 8 F 34 5 C 94 1 F A B C Highest indoor heat exchanger te...

Страница 104: ...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 105: ... 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 106: ...ectronic 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 elec...

Страница 107: ...1 When the operation 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 indoo...

Страница 108: ...d pipe temperature 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...

Страница 109: ...e OL compressor head temperature exceeds 130 C 266 F the compressor stops 4 14 3 Refrigerant Shortage Control Outline If the power consumption is below the specified value and the frequency is higher than the specified frequency it is regarded as refrigerant shortage The power consumption is low comparing with that in the normal operation when refrigerant is insufficient and refrigerant shortage i...

Страница 110: ...roller Part 5 Remote Controller 1 Applicable Remote Controller 99 2 ARC466A36 100 3 ARC452A21 102 4 ARC452A23 104 5 ARC466A21 106 6 BRC1E73 Wired Remote Controller 108 7 BRC082A41W BRC082A42W S Wireless Remote Controller Kit 114 ...

Страница 111: ...S CTXS07LVJU ARC452A21 102 FTXS09LVJU FTXS12LVJU FTXS15LVJU FTXS18LVJU FTXS24LVJU FDXS09LVJU ARC452A23 104 FDXS12LVJU CDXS15LVJU CDXS18LVJU CDXS24LVJU FVXS09NVJU ARC466A21 106 FVXS12NVJU FVXS15NVJU FVXS18NVJU FFQ09Q2VJU Wired Remote Controller BRC1E73 Wireless Remote Controller BRC082A41W BRC082A42W S Wired Remote Controller 108 Wireless Remote Controller 114 FFQ12Q2VJU FFQ15Q2VJU FFQ18Q2VJU ...

Страница 112: ...ter 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 ...

Страница 113: ...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 114: ...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 R24595 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 115: ...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 116: ...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 R24596 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 117: ... 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 118: ...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 119: ...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 120: ...mote Controller 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 121: ...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 122: ...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 123: ...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 124: ...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 125: ...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 126: ...BRC082A41W BRC082A42W S Wireless Remote Controller Kit SiUS121630EA 114 Remote Controller 7 BRC082A41W BRC082A42W S Wireless Remote Controller Kit R23936 R23937 ...

Страница 127: ...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 128: ...nit and Outdoor Unit 147 6 Troubleshooting for FFQ Series 148 6 1 Indoor Unit PCB Abnormality 148 6 2 Drain Level Control System Abnormality 149 6 3 Indoor Fan Motor DC Motor or Related Abnormality 150 6 4 Humidifier or Related Abnormality 152 6 5 Thermistor or Related Abnormality 153 6 6 Presence Sensor or Floor Sensor Abnormality 154 6 7 Remote Controller Thermistor Abnormality 155 6 8 Signal Tr...

Страница 129: ...t 185 7 18 Electrical Box Temperature Rise 187 7 19 Radiation Fin Temperature Rise 188 7 20 Output Overcurrent Detection 189 8 Check 191 8 1 Thermistor Resistance Check 191 8 2 Indoor Fan Motor Connector Check 192 8 3 Hall IC Check 192 8 4 Power Supply Waveform Check 193 8 5 Electronic Expansion Valve Check 194 8 6 Four Way Valve Performance Check 195 8 7 Inverter Unit Refrigerant System Check 195...

Страница 130: ...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 243 Diagnose with remote controller indication 134 135 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 131: ... 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 132: ...o 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...

Страница 133: ... 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 134: ...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 123 No Code No Code No Code 1 00 13 C7 25 UA 2 U4 14 A3 26 U...

Страница 135: ...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 134 135 4 Press MODE ...

Страница 136: ...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 134 135 8 Press MODE button to exit from the diagnosis mode The display means the trial operation mode Refer to page 207 for trial operation 9 Press ON OFF button twice to return to the normal mod...

Страница 137: ...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 126 R24045 ARC466 Series Timer Cancel button No Code No Code No Code 1 00 14 U0 27 UA 2 A5 15 C7 2...

Страница 138: ... 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 139: ...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 140: ...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 141: ...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 142: ... 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 143: ...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 144: ... 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 145: ...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 146: ...r between indoor unit and outdoor unit 145 UA Mismatching of indoor unit and outdoor unit 147 Error Codes Description Reference Page 00 Normal condition A1 Indoor unit PCB abnormality 148 A3 Drain level control system abnormality 149 A6 Indoor fan motor DC motor or related abnormality See the Note below 150 AF Humidifier or Related abnormality 152 C4 Indoor heat exchanger thermistor 1 or related a...

Страница 147: ...other rooms 166 j h h i i h U0 Refrigerant shortage 161 j i h h i h U2 Low voltage detection or over voltage detection 163 j h i h h h U3 Wiring Error Check Unexecuted 165 j i h i i h A5 Anti icing control for indoor unit 167 j i i i h h E1 Outdoor unit PCB abnormality 169 j i h i h h E5 OL activation compressor overload 170 j h i i h h E6 Compressor lock 172 j i i i i h E7 DC fan lock 173 j h i h...

Страница 148: ...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 149: ...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 150: ...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 191 NO NO NO Check No 01 Check the indoor heat exchanger th...

Страница 151: ... 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 152: ...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 153: ...eed 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...

Страница 154: ...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 155: ... of connector Thermistor corresponding to the error code is defective Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 191 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 156: ... 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 157: ...door 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 indoor...

Страница 158: ...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 159: ... 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 160: ...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 161: ...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 drain wa...

Страница 162: ...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 163: ...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 164: ...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 165: ...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 191 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 166: ...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 167: ...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 168: ... 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 169: ...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 170: ... and 224 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 171: ...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 223 and 224 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 172: ...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 173: ...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 outdoor temperature the...

Страница 174: ...switch before connecting or disconnecting connectors or parts may be damaged OK NO YES Replace the outdoor unit PCB main PCB Replace the compressor Completed Error again R23654 Caution YES NG NO NO YES YES YES NO YES NO NO YES NO Discharge pipe thermistor Indoor or outdoor heat exchanger thermistor Room temperature thermistor Outdoor temperature thermistor Check for refrigerant shortage Change for...

Страница 175: ...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 176: ...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 177: ...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 205 for details R23952 Caution NO YES Wiring error check executed Conduct wiring error check Wiring error check may not...

Страница 178: ...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 167 for details R21922 Caution NO YES NO YES NO YES Check the model combination Error displayed while operating Power supply voltage as specifie...

Страница 179: ...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 180: ...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 181: ...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 182: ...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 183: ...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 184: ...Troubleshooting Check No 12 Refer to P 194 Check No 15 Refer to P 196 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 185: ...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 197 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 186: ...r to P 198 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 187: ...nditions The following condition 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 co...

Страница 188: ...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 189: ...rmistor 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 191 Check No 12 Refer to P 194 Check No 14 Refer to P 195 A B 18 class 120 C 248 F 95 C 203 F 24 36 class 120 C 248 F 107 C 224 6 F R20417 Caution NG OK OK OK NG NG Discharge pipe thermis...

Страница 190: ...heat exchanger thermistor Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 191 Check No 12 Refer to P 194 Check No 17 Refer to P 198 Check No 18 Refer to P 198 Check No 19 Refer to P 199 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 ...

Страница 191: ...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 192: ...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 193: ...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 194: ...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 195: ...essor 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 outdoor unit PCB...

Страница 196: ...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 197: ...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 198: ...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 199: ...ector Defective outdoor unit PCB Troubleshooting Check No 17 Refer to P 198 Check No 19 Refer to P 199 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 power Then turn o...

Страница 200: ...ed properly on the radiation fin after replacing the outdoor unit PCB Troubleshooting Check No 17 Refer to P 198 Check No 19 Refer to P 199 Note Refer to Silicone Grease on Power Transistor Diode Bridge on page 227 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 con...

Страница 201: ...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 202: ...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 203: ... 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 204: ...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 205: ...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 206: ...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 207: ...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 208: ...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 209: ...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 210: ...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 211: ...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 212: ...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 213: ...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 214: ... 203 2 Forced Cooling Operation 204 3 Wiring Error Check Function 205 4 Trial Operation 207 4 1 CTXG CTXS FTXS CDXS FDXS FVXS Series 207 4 2 FFQ Series 209 5 Field Settings 212 5 1 Outdoor Unit 212 5 2 CTXG CTXS FTXS CDXS FDXS FVXS Series 214 5 3 FFQ Series 219 6 Silicone Grease on Power Transistor Diode Bridge 227 ...

Страница 215: ...ation when relocating or disposing 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 216: ...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 217: ...e 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 1 3 24 class or 1 4 36 class blink one after ...

Страница 218: ...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 219: ...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 220: ...es R11676 2 4 5 1 6 2 3 3 Test Items Symptom 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 The specif...

Страница 221: ... 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 222: ...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 223: ...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 224: ...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 225: ... to 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 nei...

Страница 226: ...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 227: ...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 228: ... 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 operation may occur if you cut any of them CDXS FDXS Series Cut the jumper JA on PCB Caution Replace the PCB if you accidental...

Страница 229: ...at 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 Connector S42 Connector S41 Connector S1 4 Remove the screw 5 Indoor heat exchanger thermistor 3 6 Shield plate R21129 Senso...

Страница 230: ... 24LVJU page 27 FVXS09 12 15 18NVJU page 29 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 set 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 231: ...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 Fan Press and hold Cancel button for 4 seconds or longer during back...

Страница 232: ... 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 233: ...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 234: ... 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 235: ... 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 Sub remote controller 1 1 Basic screen 2 Basic screen 2 Set temperature Fan Set temperature Fan Main remote controller Off reminder Timer Checking the connection Please stand by Main RC Off reminder Timer Checki...

Страница 236: ...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 237: ...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 238: ...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 239: ... 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 240: ...SiUS121630EA 228 Appendix Part 8 Appendix 1 Piping Diagrams 229 1 1 Indoor Unit 229 1 2 Outdoor Unit 232 2 Wiring Diagrams 234 2 1 Indoor Unit 234 2 2 Outdoor Unit 240 3 Operation Limit 243 ...

Страница 241: ...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 242: ...EXCHANGER FIELD PIPING 1 4CuT SIROCCO FAN M FAN MOTOR 3 8CuT FIELD PIPING 3 8CuT REFRIGERANT FLOW COOLING HEATING 4D074621 THERMISTOR ONHEATEXCH INDOOR UNIT 1 4 6 4mm CuT HEAT EXCHANGER FIELD PIPING 1 4 6 4mm CuT SIROCCO FAN M FAN MOTOR FIELD PIPING 1 2 12 7mm CuT 1 2 12 7mm CuT REFRIGERANT FLOW COOLING HEATING 4D075271 THERMISTOR ON HEAT EXCH INDOOR UNIT 3 8CuT HEAT EXCHANGER SIROCCO FAN M FAN MO...

Страница 243: ...IGERANT FLOW COOLING HEATING 4D091794 INDOOR UNIT MUFFLER ASSY HEAT EXCHANGER 1 4 CuT 9 32 CuT 1 4 CuT 1 4 CuT 1 4 CuT 1 4 CuT M 1 4 CuT FAN MOTOR TURBO FAN 1 4 CuT 3 8 CuT REFRIGERANT FLOW COOLING HEATING FIELD PIPING 1 4 CuT FIELD PIPING 1 2 CuT THERMISTOR ONHEATEXCH 4D091795A 4D106033 HEAT EXCHANGER FAN REFRIGERANT FLOW COOLING HEATING FFQ09Q2VJU 1 4 6 4 3 8 9 5 1 2 12 7 FFQ12Q2VJU FFQ15Q2VJU F...

Страница 244: ...2 CuT FIELD PIPING LIQUID ELECTRONIC EXPANSION VALVE LIQUID PIPE THERMISTOR EVA EVB 3D093190A 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 MUFFLER 3 8 Cu...

Страница 245: ...R COOLING HEATING 1 2 CuT ACCUMULATOR OUTDOOR UNIT HEAT EXCHANGER OUTDOOR AIR THERMISTOR HEAT EXCHANGER CONDENSER THERMISTOR CAPILLARY TUBE MUFFLER WITH FILTER LIQUID LINE STOP VALVE FOUR WAY VALVE DC FAN MOTOR PROPELLER FAN DISCHARGE PIPE THERMISTOR REFRIGERANT FLOW GAS LINE STOP VALVE GAS PIPE THERMISTOR GAS PIPE THERMISTOR GAS PIPE THERMISTOR GAS PIPE THERMISTOR ROOM A 3 8 CuT ROOM A 1 4 CuT RO...

Страница 246: ... 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 247: ...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 248: ... 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 ...

Страница 249: ...BLK 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 THERMIS...

Страница 250: ... 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 FIELD WIRING 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 EARTH GROUND FUSE PIL...

Страница 251: ...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 252: ...R INDOOR OUTDOOR FIELD WIRING TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A SHEET METAL Z1C N 3 FU3 30A Z4C N 3 ROOM A 1 S20 1 5 ROOM B 1 5 ROOM C 1 5 ROOM D FU1 3 15A ROOM A ROOM B ROOM A ROOM B GAS PIPE LIQUID PIPE FU2 3 15A IN CASE OF HEAT PUMP TYPE Z6C N 1 MS 3 Z3C N 3 C110 DB1 FU1 FU2 FU3 IPM1 L1 L2 LED1 LED5 LEDA M1C M1F CAPACITOR DIODE BRIDGE FUSE INTELLIGENT POWER MODULE LIVE PILOT LAMP COMP...

Страница 253: ...IPE FIELD WIRING S20 5 S21 5 S22 5 S23 5 Z1C N 3 Z5C N 2 FU2 3 15A Z3C N 3 Z6C N 1 IN CASE OF HEAT PUMP TYPE GRN GRY BLK BLK ORG PPL BLU BRN RED BRN RED YLW YLW WHT SKY BLU Z2C N 4 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 MAGNETIC RELAY MAGNETIC RELAY PRINTED CIRCUIT BOARD SWITCHING POWER ...

Страница 254: ...T Q1L Y2E Y4E Y1E Y3E ROOM C ROOM A ROOM D ROOM B ROOM C ROOM A ROOM D ROOM B DISCHARGE CONDENSER OUTDOOR OUTDOOR INDOOR FIELD WIRING SHEET METAL TO INDOOR UNIT ROOM B TO INDOOR UNIT ROOM A TO INDOOR UNIT ROOM C TO INDOOR UNIT ROOM D Z1C N 3 FU3 30A Z4C N 3 ROOM A ROOM B ROOM C ROOM D FU1 3 15A FU2 3 15A IN CASE OF HEAT PUMP TYPE Z6C N 1 MS 3 Z3C N 3 GAS PIPE LIQUID PIPE C110 DB1 FU1 FU2 FU3 lPM1 ...

Страница 255: ... 104 50 86 41 Pull down period Continuous operation 68 Outdoor temp FDB Continuous operation Outdoor temp FWB 32 50 23 32 14 14 5 5 FDB 57 2 50 86 73 4 68 82 4 50 68 86 Indoor temp FWB Notes Indoor temp FDB The graphs are based on the following conditions Equivalent piping length Level difference Airflow rate 25ft 0ft High 3D048149B ...

Страница 256: ...Revision History Month Year Version Revised contents 09 2016 SiUS121630E First edition 03 2017 SiUS121630EA Model addition FFQ18Q2VJU ...

Страница 257: ...thorized 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...

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