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SiUS181305E

Function of FFQ Series

Function

84

8.2

Thermostat Sensor in Remote Controller

Outline

Temperature is controlled by both the thermostat sensor in remote controller and air suction
thermostat in the indoor unit. (This is however limited to when the field setting for the thermostat
sensor in remote controller is utilized.)

Cooling

If there is a significant difference in the set temperature and the suction temperature, fine
adjustment control is carried out using a body thermostat sensor, or using the sensor in the remote
controller near the position of the user when the suction temperature is near the set temperature.



Assuming the set temperature in the figure above is 24°C (75.2

°

F), and the suction

temperature has changed from 18°C (64.4

°

F) to 30°C (86

°

F) (A



F):

(This example also assumes there are several other air conditioners, and the suction temperature
changes even when the thermostat sensor is off.)
18



23°C (64.4



73.4°F) (A



C): Body thermostat sensor is used.

23



27°C (73.4



80.6°F) (C



E): Remote controller thermostat sensor is used.

27



30°C (80.6



86°F) (E



F): Body thermostat sensor is used.



Assuming suction temperature has changed from 30

°

C (86

°

F) to 18

°

C (64.4

°

F) (F



A):

30



25°C (86



77°F) (F



D): Body thermostat sensor is used.

25



21°C (77



69.8°F) (D



B): Remote controller thermostat sensor is used.

21



18°C (69.8



64.4°F) (B



A): Body thermostat sensor is used.

Range in which thermostat sensor
in remote controller can be used

Range in which body
thermostat sensor can
be used

Differential

Suction temperature (TH1)

(R18811)

Set temperature (Ts)

12

14

16

18

20

22

24

26

28

30

32

34

53.6

57.2

60.8

64.4

68.0

71.6

75.2

78.8

82.4

86.0

89.6

93.2

°

C

°

F

°

C

32

30

28

26

24

22

20

18

16

°

F

89.6

86.0

82.4

78.8

75.2

71.6

68.0

64.4

60.8

TH1 = Ts + 1 (

°

C)

TH1 = Ts + 1.8 (

°

F)

TH1 = Ts + 3 (

°

C)

TH1 = Ts + 5.4 (

°

F)

TH1 = Ts – 3 (

°

C)

TH1 = Ts – 5.4 (

°

F)

TH1 = Ts – 1 (

°

C)

TH1 = Ts – 1.8 (

°

F)

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Содержание RMXS-L Series

Страница 1: ...Service Manual Multi Split 8 Zone Heat Pump Systems RMXS L Series SiUS181305E Applied Models Inverter Multi Heat Pump...

Страница 2: ...BP Unit BPMKS048A2U BPMKS049A3U Indoor Unit CTXS07LVJU FDXS09LVJU FFQ09LVJU CTXS07JVJU FDXS12LVJU FFQ12LVJU CTXS09HVJU CDXS15LVJU FFQ15LVJU CTXS12HVJU CDXS18LVJU FFQ18LVJU FTXS15LVJU CDXS24LVJU FTXS18...

Страница 3: ...BPMKS049A3U 17 3 Indoor Unit 18 3 1 CTXS07LVJU 18 3 2 CTXS07JVJU CTXS09 12HVJU 20 3 3 FTXS15 18 24LVJU 22 3 4 FDXS09 12LVJU CDXS15 18 24LVJU 24 3 5 FFQ09 12 15 18LVJU 26 4 Wired Remote Controller 27...

Страница 4: ...ntrol 56 5 1 Demand Control 56 5 2 Heating Operation Prohibition Control 56 6 Branch Provider BP Unit Control 57 6 1 Branch Provider BP Unit Command Conversion 57 6 2 Branch Provider BP Unit Electroni...

Страница 5: ...BRC1E72 Wired Remote Controller 128 4 2 BRC7E830 Wireless Remote Controller 134 Part 8 Troubleshooting 136 1 Troubleshooting with LED 138 1 1 Outdoor Unit 138 1 2 Branch Provider BP Unit 143 1 3 Indoo...

Страница 6: ...R1T Abnormality 194 7 10 Discharge Pipe Thermistor R2T Abnormality 195 7 11 Suction Pipe Thermistor R3T R5T Abnormality 196 7 12 Outdoor Heat Exchanger Thermistor R4T Abnormality 197 7 13 Outdoor Liqu...

Страница 7: ...Discharge pipe temperature Te Low pressure equivalent saturation temperature Tfin Radiation fin temperature Tl Liquid pipe temperature Tp Value of compressor port temperature calculated by Tc and Te...

Страница 8: ...efore conducting repair work A charge capacitor could cause an electrical shock Do not start or stop the air conditioner or heat pump operation by plugging or unplugging the power cord Plugging or unp...

Страница 9: ...ant gas itself is harmless but it could generate toxic gases if it comes into contact with flames After replacing the battery in the remote controller dispose of the old battery to prevent children fr...

Страница 10: ...Safety Considerations Safety Considerations ix...

Страница 11: ...SiUS181305E 1 List of Functions Part 1 List of Functions 1 Functions 2 1 1 Outdoor Unit 2 1 2 Indoor Unit 3...

Страница 12: ...power failure Horizontal auto swing right and left Self diagnosis digital LED display 3 D airflow Wiring error check function COMFORT AIRFLOW operation Automatic test operation Comfort Control Auto f...

Страница 13: ...dual louvers Power airflow diffuser Wide angle fins vertical blades Vertical auto swing up and down Horizontal auto swing right and left 3 D airflow COMFORT AIRFLOW operation Comfort Control Auto fan...

Страница 14: ...Free Reliability Durability Auto restart after power failure Self diagnosis digital LED display Wiring error check function Automatic test operation Memory function Anticorrosion treatment of outdoor...

Страница 15: ...SiUS181305E 5 Specifications Part 2 Specifications 1 Specifications 6 1 1 Outdoor Unit 6 1 2 Branch Provider BP Unit 6 1 3 Indoor Unit 7...

Страница 16: ...ing Connection Defrost Method Reverse Cycle Defrosting Drawing No 4D080735 Conversion Formulae kcal h kW 860 Btu h kW 3412 cfm m min 35 3 Cooling Indoor 80 FDB 26 7 CDB 67 FWB 19 4 CWB Outdoor 95 FDB...

Страница 17: ...iquid and Gas Pipes Piping Connection Liquid in mm 1 4 6 4 1 4 6 4 Gas in mm 3 8 9 5 3 8 9 5 Drain in mm 5 8 16 0 11 16 18 0 Drawing No 3D075490 3D066156A Model CTXS09HVJU CTXS12HVJU Cooling Heating C...

Страница 18: ...20 44 20 Sound 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...

Страница 19: ...s in mm 3 8 9 5 3 8 9 5 Drain in mm VP20 O D 1 1 32 26 I D 25 32 20 VP20 O D 1 1 32 26 I D 25 32 20 Drawing No 3D075493 3D075494 Model CDXS15LVJU CDXS18LVJU Cooling Heating Cooling Heating Rated Capac...

Страница 20: ...le Mildew Proof Running Current Rated A 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...

Страница 21: ...al Downward Running Current Rated A 0 44 0 38 0 47 0 42 Power Consumption Rated W 87 76 98 89 Power Factor 85 8 87 0 91 3 91 8 Temperature Control Microcomputer Control Microcomputer Control Dimension...

Страница 22: ...nward Running Current Rated A 0 57 0 52 0 71 0 65 Power Consumption Rated W 112 103 140 130 Power Factor 86 1 86 0 85 5 86 2 Temperature Control Microcomputer Control Microcomputer Control Dimensions...

Страница 23: ...t 14 1 1 RMXS48LVJU 14 2 Branch Provider BP Unit 17 2 1 BPMKS048A2U BPMKS049A3U 17 3 Indoor Unit 18 3 1 CTXS07LVJU 18 3 2 CTXS07JVJU CTXS09 12HVJU 20 3 3 FTXS15 18 24LVJU 22 3 4 FDXS09 12LVJU CDXS15 1...

Страница 24: ...alve 10 X26A Connector for solenoid valve coil hot gas bypass valve 11 X27A Connector for solenoid valve coil unloading 12 X28A Connector for crankcase heater 13 X32A Connector for high pressure switc...

Страница 25: ...t SiUS181305E 15 Printed Circuit Board Connector Wiring Diagram LC NC LE W V U N P X111A F6U X107A X106A HBP X66A X37A X81A X5A X22A X21A X13A X11A X12A X18A X17A X32A HAP X25A X26A X27A X28A LD F4U 2...

Страница 26: ...BS1 BS5 Push button switch mode set return test reset 4 DS1 DIP switch for cool heat selector DS1 BS5 H1P H2P H3P H4P H5P H6P H7P H8P X205A BS4 BS3 BS2 BS1 2P174185 1 1 LA NA Terminal for terminal bo...

Страница 27: ...V 5 X3M Terminal for inter connecting wire to room A 6 X4M Terminal for inter connecting wire to room B 7 X5M Terminal for inter connecting wire to room C 8 F1 F2 on X6M Terminal for transmission to...

Страница 28: ...nnector for INTELLIGENT EYE sensor PCB 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Con...

Страница 29: ...nnector for control PCB 3P210728 1 S48 1 S49 Connector for control PCB 2 SW1 Forced operation ON OFF button 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3 H3P LED for INTELL...

Страница 30: ...rtical blades 4 S21 Connector for centralized control HA 5 S26 Connector for buzzer PCB 6 S28 Connector for signal receiver PCB 7 S32 Indoor heat exchanger thermistor 8 S35 Connector for INTELLIGENT E...

Страница 31: ...d operation ON OFF button SW1 S29 2P099167 1 1 S27 Connector for control PCB 2 S38 Connector for display PCB 3 RTH1 R1T Room temperature thermistor 2P099167 1 RTH1 S38 S27 1 S37 Connector for buzzer P...

Страница 32: ...for INTELLIGENT EYE sensor PCB 4 S32 Indoor heat exchanger thermistor 5 S41 Connector for swing motors 6 S46 Connector for display PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector...

Страница 33: ...nnector for control PCB 3P224121 1 S48 1 S49 Connector for control PCB 2 SW1 Forced operation ON OFF button 3 LED1 H1P LED for operation green 4 LED2 H2P LED for timer yellow 5 LED3 H3P LED for INTELL...

Страница 34: ...Hall IC 3 S21 Connector for centralized control HA 4 S26 Connector for display PCB 5 S32 Connector for indoor heat exchanger thermistor 6 H1 H2 H3 Connector for terminal board 7 FG GND Connector for...

Страница 35: ...ring Diagram Display PCB LED 1 does not function 1 S1 Connector for control PCB 2 SW1 S1W Forced operation ON OFF button 3 LED2 H2P LED for timer yellow 4 LED3 H3P LED for operation green 5 RTH1 R1T R...

Страница 36: ...thermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the wireless remote controller is used 8 X25A Connector for drain pump motor 9 X27A Connector for terminal boar...

Страница 37: ...te Controller SiUS181305E 27 Printed Circuit Board Connector Wiring Diagram 4 Wired Remote Controller 4 1 BRC1E72 PCB ASSY 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor P2 R1T P1...

Страница 38: ...PCB 2 X2A Connector for indoor unit PCB 3 SS1 MAIN SUB setting switch SS2 Address setting switch Refer to page 117 for detail 3P156326 3 X2A SS2 SS1 X1A 1 X1A Connector for signal receiver PCB 2 BS1 F...

Страница 39: ...Circuit 31 1 1 Outdoor Unit 31 1 2 Branch Provider BP Unit 32 2 Functional Parts Layout 33 3 Refrigerant Flow for Each Operation Mode 35 3 1 Cooling Operation 35 3 2 Heating Operation 36 3 3 Cooling O...

Страница 40: ...F to release the pressure into the atmosphere T Pressure regulating valve Receiver to discharge pipe This valve opens at a pressure of 4 0 MPa 1338 ftAq to prevent pressure increase thus protecting fu...

Страница 41: ...Thermistor Liquid pipe During heating operation carries out the indoor unit SC control 3 R1T Thermistor Room temperature Detects room air temperature and instruct the capacity supply to the BP unit 4...

Страница 42: ...unload circuit Connector pink High voltage S1PH High pressure switch R7T Thermistor liquid pipe Y1S Four way valve Connector blue High voltage Y2S Solenoid valve hot gas bypass lead wire Connector bla...

Страница 43: ...mistor subcooling heat exchanger gas pipe Marking white R1T Thermistor outdoor temperature Marking yellow R4T Thermistor outdoor heat exchanger Connector blue R5T Thermistor suction pipe 2 Marking gre...

Страница 44: ...EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE ROOM B FILTER FILTER ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE...

Страница 45: ...e low temp liquid or gas refrigerant Y1E Y3E Y2S PI control PI control OFF ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC ELECTRONIC GAS SIDE THERMISTOR DGA GAS SIDE THERMISTOR DGB GAS SIDE THERMISTOR D...

Страница 46: ...R DGA GAS SIDE THERMISTOR DGB ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE ROOM B LIQUID SIDE THERMISTOR DLA LIQUID SIDE THERMISTOR DLB GAS SIDE THERM...

Страница 47: ...THERMISTOR DGA GAS SIDE THERMISTOR DGB ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE ROOM B LIQUID SIDE THERMISTOR DLA LIQUID SIDE THERMISTOR DLB GAS...

Страница 48: ...ol 52 4 6 Dew Condensation Prevention Control 53 5 Other Control 54 5 1 Demand Control 54 5 2 Heating Operation Prohibition Control 54 6 Branch Provider BP Unit Control 55 6 1 Branch Provider BP Unit...

Страница 49: ...72 7 13 WEEKLY TIMER Operation 73 7 14 Other Functions 79 8 Function of FFQ Series 80 8 1 Drain Pump Control 80 8 2 Thermostat Sensor in Remote Controller 82 8 3 Freeze Prevention Control 84 8 4 Hot...

Страница 50: ...rn IN conditions are met Defrost IN conditions are met Operation mode change Malfunction Standby Indoor unit stop or thermostat OFF Indoor unit stop or thermostat OFF Restart standby Compressor stop M...

Страница 51: ...pressure protection control Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection...

Страница 52: ...ree of the inverter compressor Subcooling Electronic Expansion Valve The PI control of the subcooling electronic expansion valve Y3E is carried out to keep the evaporator outlet superheated degree SH...

Страница 53: ...higher When the outdoor temperature is 12 C 53 6 F it operates in STEP 1 or higher Fan Steps Cooling STEP 0 STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 8 M1F 0 rpm 250 rpm 400 rpm 285 rpm 36...

Страница 54: ...STEP 4 68 F 1 step 15 sec when Pc 2 16 MPa 723 ftAq 1 step 15 sec when Pc 1 77 MPa 592 ftAq Four way valve Y1S Holds OFF OFF Main electronic expansion valve Y1E 0 pulse 480 pulse 480 pulse Subcooling...

Страница 55: ...rn preparation operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 52 Hz Full load Low pressure constant control Same as in oil return operatio...

Страница 56: ...minute to reduce noise on changing of the four way valve Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 140 Hz Fu...

Страница 57: ...changer the liquid refrigerant enters into the compressor and dilutes the oil inside resulting in a decrease of lubricity Therefore the pump down residual operation is performed to collect the refrige...

Страница 58: ...OFF OFF Ending conditions 2 sec 2 sec Actuator Pump down residual operation Compressor 124 Hz Full load Outdoor fan STEP 7 Four way valve Y1S ON Main electronic expansion valve Y1E 0 pulse Subcooling...

Страница 59: ...n value When occurring 10 times within 60 minutes the high pressure switch is activated without high pressure standby and the error code E3 is output Upper limit frequency Max R19079 High pressure sta...

Страница 60: ...pressure standby When occurring 3 times within 30 minutes the error code E4 is output Pe 0 15 MPa 50 ftAq Pe 0 30 MPa 100 ftAq Pe 0 09 MPa 30 ftAq or Ts1 Te 8 C 14 4 F Pe 0 06 MPa 20 ftAq After 10 sec...

Страница 61: ...cy 1 step down from current compressor frequency Discharge pipe temperature protection control Upper limit frequency 1 step up from current compressor frequency When occurring 3 times within 100 minut...

Страница 62: ...ter current 23 8 A continues for 3 min Without conditions R15610 When occurring 4 times within 60 minutes the error code L8 is output Inverter current 23 8 A Upper limit frequency max Hz 10 sec Matchi...

Страница 63: ...reeze prevention status signal sent from the BP unit indoor unit and the freeze prevention control prevents freezing of the indoor unit Recovery zone Lift the control Increase zone 1 step up 60 sec Ke...

Страница 64: ...dew condensation prevention status signal sent from the BP unit indoor unit and the dew condensation prevention control prevents dew condensation of the indoor unit Recovery zone Lift the control Inc...

Страница 65: ...onal setting of Constant Demand Setting is necessary Demand 1 setting Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Control Heating oper...

Страница 66: ...pacity up down signal in frequency commands excludes during POWERFUL operation 2 Processing during POWERFUL operation 1 When POWERFUL command is received from one or more indoor units 2 Thermostats ar...

Страница 67: ...ture Ta outdoor temperature Heating Operation Target opening 350 pulse 6 2 2 Electronic Expansion Valve Flow Rate Restriction Outline This function prevents deviation from the specified electronic exp...

Страница 68: ...the electronic expansion valve pulse to 0 4 Stops transmission of electronic expansion valve initialization signal when EVH bypass electronic expansion valve retightening is completed 6 2 4 Control Ba...

Страница 69: ...r than target value Closes the valve of that indoor unit When the liquid pipe temperature is lower than the heat exchanger temperature the electronic expansion valve is opened more than normal opening...

Страница 70: ...nction ensures appropriate refrigerant distribution when indoor units are operating in heating operation It prevents abnormal increase of the high pressure and operation with gas shortage due to uneve...

Страница 71: ...ined by microcomputer The illustration is for CTXS FTXS series as representative Temperature Control The temperature of the room is detected by the room temperature thermistor However there is differe...

Страница 72: ...Wide Angle Fins The fins made of elastic synthetic resin provide a wide range of airflow that guarantees comfortable air distribution Auto Swing The following table explains the auto swing process for...

Страница 73: ...l and vertical swing motions are alternated and the airflow direction changes in the order shown in the following diagram 1 The vertical blades fins move from the right to the left 2 The horizontal bl...

Страница 74: ...button is set to automatic Cooling The following drawing explains the principle of fan speed control for cooling CTXS J CTXS H Series CTXS L FTXS L CDXS L FDXS L Series For CTXS L and FTXS L series th...

Страница 75: ...g buttons are inoperable Detail The microcomputer automatically sets the temperature and airflow rate The difference between the room thermistor temperature at start up and the target temperature is d...

Страница 76: ...s 1 Heating Cooling switching point Tr Tt 3 0 C 5 4 F CTXS L FTXS L series Tr Tt 2 5 C 4 5 F other models 2 Cooling Heating switching point Tr Tt 2 5 C 4 5 F 3 Thermostat ON OFF point is the same as t...

Страница 77: ...he operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Heating CTXS L FTXS L...

Страница 78: ...aximum operating current and the power consumption Detail When this function is activated the maximum capacity also decreases The remote controller can send the ECONO command when the unit is in COOL...

Страница 79: ...ctive The HOME LEAVE button is ineffective in dry mode and fan mode 2 Details of Function A mark representing HOME LEAVE is indicated on the display of the remote controller The indoor unit is operate...

Страница 80: ...utton as you like HOME LEAVE operation will run with these settings the next time you start HOME LEAVE operation To change the recorded information repeat steps 1 3 Others The set temperature and airf...

Страница 81: ...e motions for example in cooling When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit at a temperature shifted from th...

Страница 82: ...pending on the model Ex POWERFUL operation in cooling 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 rp...

Страница 83: ...SELECT or button to set the clock to the current day of the week 3 Press the CLOCK button blinks 4 Press the SELECT or button to set the clock to the present time Holding down the SELECT or button in...

Страница 84: ...tings up to programs 1 4 Program 1 ON Program 2 OFF Program 3 ON Program 4 OFF Monday Tuesday to Friday Saturday Sunday Use the copy mode to make settings for Tuesday to Friday because these settings...

Страница 85: ...ay of the week and the reservation number of the current day will be displayed 1 to 4 settings can be made per day 2 Press to select the desired day of the week and reservation number Pressing changes...

Страница 86: ...operation is activated The TIMER lamp lights yellow A reservation made once can be easily copied and the same settings used for another day of the week Refer to Notes on WEEKLY TIMER operation Do not...

Страница 87: ...4 Press to select the destination day of the week 2 Press to confirm the day of the week to be copied 6 Press to complete the setting The whole reservation of the selected day of the week will be copi...

Страница 88: ...r and press The mode is switched to setting mode Go to STEP 4 Setting mode 3 Press to exit confirming mode Display To deactivate WEEKLY TIMER operation 2 Press to select the day of the week and the re...

Страница 89: ...ill be activated The reservations for each day of the week 2 Hold for 5 seconds The reservation of the selected day of the week will be deleted All reservations Hold for 5 seconds while normal display...

Страница 90: ...ytic Deodorizing Function CTXS J CTXS H Series This filter incorporates the benefits the Air Purifying Filter and Photocatalytic Deodorizing Filter in a single unit Combining the two filters in this w...

Страница 91: ...is ON 8 1 2 When the Float Switch is Tripped While the Cooling Thermostat is OFF 3 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnormal stop if the floa...

Страница 92: ...then displayed as operation continues 5 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnormal stop if the float switch is OFF for more than 5 minutes in t...

Страница 93: ...there are several other air conditioners and the suction temperature changes even when the thermostat sensor is off 18 23 C 64 4 73 4 F A C Body thermostat sensor is used 23 27 C 73 4 80 6 F C E Remo...

Страница 94: ...4 F A D This example also assumes there are several other air conditioners and the suction temperature changes even when the thermostat sensor is off 18 25 C 64 4 77 F A C Body thermostat sensor is u...

Страница 95: ...Operation Only Outline 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 start...

Страница 96: ...6 1 1 Procedure and Outline 86 1 2 Operation when Power is Turned On 88 1 3 Branch Provider BP Unit 89 1 4 RA Indoor Unit CTXS FTXS CDXS FDXS Series 91 1 5 SA Indoor Unit FFQ Series 92 2 Field Setting...

Страница 97: ...screws of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is 4 0 MPa 1338 ftAq Are pipe insulation...

Страница 98: ...al refrigerant charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant F3 Refrigerant overcharged Recalculate...

Страница 99: ...sh the RESET BS5 button on the outdoor unit PCB Operation becomes possible for about 2 minutes If you do not push the RESET button the unit cannot be run for up to 10 minutes to automatically set mast...

Страница 100: ...BP unit Modify the DIP switch DS2 settings on the BP unit s PCB in the following way With the system set up power on both the outdoor unit and BP unit The compressor is in a non startup condition Exam...

Страница 101: ...above table is only for your reference The redundancy of addresses can be avoided when the DIP switch settings are individually specified With the DIP switch settings reprogrammed power on the outdoor...

Страница 102: ...he operation manual to ensure that all functions and parts such as louver movement are working properly Note The air conditioner requires a small amount of power in standby mode If the system is not t...

Страница 103: ...ow out smoothly Water leakage Is piping adequately heat insulated Water leakage Have the connections been checked for refrigerant leakage Poor cooling Poor heating Stop Is the power supply voltage con...

Страница 104: ...nu and push the Menu OK button Step Action Remote controller R18829 R18830 R18827 Step Action 1 Turn on the power supply more than 6 hours before test operation 2 Open the gas stop valve 3 Open the li...

Страница 105: ...de H1P blinks Used to check the program made in setting mode 2 H1P H3P H5P H7P H2P H4P H6P R15629 BS1 MODE BS2 SET BS4 TEST BS5 RESET BS3 RETURN Contents display Monitor mode Press the BS3 RETURN butt...

Страница 106: ...n table on the right Press the RETURN BS3 button and return to the initial status of setting mode 1 h h h h h h l h h h l h h h l h h h h h h k ON h OFF l Blink Procedure for checking Setting mode 1 i...

Страница 107: ...ise level when the low noise signal is received 26 Night time low noise operation start setting Sets starting time of nighttime low noise operation Night time low noise setting is also required 27 Nig...

Страница 108: ...setting k h h h h k h Low k h h h h h k 9 Tc setting k h h k h h k High k h h h k h h Normal factory setting k h h h h k h Low k h h h h h k 10 Defrost changeover setting k h h k h k h Quick defrost...

Страница 109: ...fan with 4 step or lower k h h h k h h 26 Night time low noise operation start setting k h k k h k h About 20 00 k h h h h h k About 22 00 factory setting k h h h h k h About 24 00 k h h h k h h 27 Ni...

Страница 110: ...page 139 142 15 Contents of malfunction 1 cycle before l h h k k k k 16 Contents of malfunction 2 cycle before l h k h h h h 20 Contents of retry the latest l h k h k h h 21 Contents of retry 1 cycle...

Страница 111: ...22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four upper and four lower digits for No 12 and 13 respectively 0 128 In the figu...

Страница 112: ...d as the master unit in accordance with the request from the customer It is recommended to select an indoor unit which will be used most often as the master unit Press the operation mode selector butt...

Страница 113: ...tdoor unit wiring Set the dip switch DS1 1 of the outdoor unit PCB A2P to OUT Set cool heat switching to IND individual in the setting mode 1 factory setting Cool Heat selector option R17942 MODE TEST...

Страница 114: ...etting of end time of nighttime low noise operation Use the end time as a guide since it is estimated according to outdoor temperatures 4 If necessary while in setting mode 2 set the setting condition...

Страница 115: ...g mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Image of operation Set item Condition Content Demand Mode 1 The compressor operates at...

Страница 116: ...m returns to 1 5 Push the BS1 MODE button one time The system returns to setting mode 1 and the H1P goes off ON OFF l Blink 1 2 3 Setting No Setting contents Setting No indication Setting No indicatio...

Страница 117: ...cannot be charged from the stop valve on the liquid side make sure to charge the remaining quantity of refrigerant using this procedure If the refrigerant quantity is insufficient the unit may malfunc...

Страница 118: ...y trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pi...

Страница 119: ...the remote controller to set the model type Set the DIP switch as shown in the illustration The factory set is the heat pump side Heat pump model Set the DIP switch to H P Cooling only model Set the D...

Страница 120: ...ed remote controller Refer to the following pages for the appropriate indoor unit and wireless remote controller CTXS FTXS Series 1 Remove the front grille 2 Remove the electrical box 3 Remove the shi...

Страница 121: ...e jumper refer to the following pages CTXS07LVJU page 18 CTXS07JVJU CTXS09 12HVJU page 20 FTXS15 18 24LVJU page 22 FDXS09 12LVJU CDXS15 18 24LVJU page 24 1 2 3 R19089 ADDRESS JA EXIST CUT 1 2 JA Jumpe...

Страница 122: ...on for 4 seconds to enter the Service Settings menu 2 Use the buttons to select Field Settings and push the Menu OK button 3 Use the buttons to select the desired Mode 4 During group control when sett...

Страница 123: ...turn to basic screen Step Action Remote controller R18834 Step Action 1 Press the INSPECTION TEST button for 4 seconds during normal mode to enter the field setting mode 2 Press the MODE button to sel...

Страница 124: ...or space temperature control The return air thermistor is primary and the remote controller thermistor is secondary The remote controller thermistor is not utilized Only the return air thermistorwill...

Страница 125: ...ntrollers are factory set to MAIN so you only have to change one remote controller from MAIN to SUB Step Action Remote controller 1 Put on the power for both remote controllers 2 Determine which one i...

Страница 126: ...emote controller you have to change the MAIN SUB setting on the signal receiver PCB Signal Receiver PCB Set the address setting switch SS2 on the signal receiver PCB according to the table below When...

Страница 127: ...NSPECTION TEST button for at least 1 second to exit the field setting mode and return to the normal display Multiple Settings A b When the indoor is controlled by outside controller central remote con...

Страница 128: ...n panel air discharge outlet as well as on the back of the wireless remote controller Note Set the unit No of the receiver and the wireless remote controller to be the same If the settings differ the...

Страница 129: ...SiUS181305E Field Settings Test Operation and Field Settings 120...

Страница 130: ...art 7 Remote Controller 1 CTXS07JVJU CTXS09 12HVJU 118 2 CTXS07LVJU FTXS15 18 24LVJU 120 3 FDXS09 12LVJU CDXS15 18 24LVJU 122 4 FFQ09 12 15 18LVJU 124 4 1 BRC1E72 Wired Remote Controller 124 4 2 BRC7E...

Страница 131: ...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 Displays the current settings In this illustration each section is shown with all...

Страница 132: ...again to complete TIMER setting CLOCK 5 button Changes the ON OFF TIMER settings TIMER CANCEL button Cancels the timer setting Press this button and adjust the day and time with the SELECT button Pres...

Страница 133: ...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...

Страница 134: ...n QUIET button R18853 ECONO operation SWING 5 button WEEKLY button Press this button and adjust the day and time with the SELECT button Press this button again to complete TIMER setting Cancels the ti...

Страница 135: ...nt 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 airflo...

Страница 136: ...ration mode Open the Front Cover ECONO 2 button Press this button and adjust the day and time with the SELECT button Press this button again to complete TIMER setting CLOCK 3 button Changes the ON OFF...

Страница 137: ...Q09 12 15 18LVJU 4 1 BRC1E72 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 O...

Страница 138: ...odel Press this button to select the fan speed of your preference Available fan speeds vary with the indoor unit model The item above the current selection will be highlighted The highlighted items wi...

Страница 139: ...isplay item selected No Clock display when the clock has not been set No Fan speed display with no fan speed control function 12 Airflow Direction Displayed only when the indoor unit is in operation 1...

Страница 140: ...s while the indoor unit is stopped OFF may be displayed instead of the operation mode and or the setpoint may not be displayed Simple Display Simple display example 2 Fan speed 3 Setpoint display 1 Op...

Страница 141: ...eminder when it is time to clean the filter or element Displayed for a few seconds when an Operation button is pressed and the indoor unit does not provide the corresponding function In a remote contr...

Страница 142: ...ault 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 13...

Страница 143: ...PROGRAMMED TIME This display shows PROGRAMMED TIME of the system start or stop DISPLAY INSPECTION TEST RUN When the INSPECTION TEST RUN BUTTON is pressed the display shows the system mode is in Press...

Страница 144: ...FFQ09 12 15 18LVJU SiUS181305E 135 Remote Controller...

Страница 145: ...ted Abnormality 167 5 6 Remote Controller Thermistor Abnormality 168 5 7 Signal Transmission Error between Remote Controller and Indoor Unit 169 5 8 Signal Transmission Error between MAIN Remote Contr...

Страница 146: ...ty 201 7 21 Compressor Start up Error 202 7 22 High Voltage of Capacitor in Main Inverter Circuit 203 7 23 Radiation Fin Thermistor Abnormality 204 7 24 Low Pressure Drop due to Refrigerant Shortage o...

Страница 147: ...in PCB A1P has a green LED HAP When the microcomputer works in order the LED blinks 1 1 2 Service PCB A2P The service PCB A2P has orange LEDs H1P H7P You can identify the error code with these LEDs in...

Страница 148: ...Detection of fan motor lock M1F E7 Detection of fan motor lock M2F Moving part of electronic expansion valve Y1E Y3E abnormality Y1E main E9 Y3E subcooling Outdoor temperature thermistor R1T abnormal...

Страница 149: ...l J3 l h l l h l h h l l l k h h h h h l k k h h 1 J5 l h l h l l k h h h h h l k k h h l k h h h h h l k k h l J6 l h l l h l k h h h h h l k k h h J7 l h l l l l k h h h h h l k k h h J9 l l h h l...

Страница 150: ...f capacitor in main inverter circuit Imbalance of inverter power supply voltage P1 Radiation fin thermistor abnormality Faulty thermistor of inverter fin P4 Low pressure drop due to refrigerant shorta...

Страница 151: ...h h h h h k k h l l k h h h h h l k k h h l h l k h h h h h l k k h h h l U3 l h h l l l k h h h h h l k k h h l l l k h h h h h l k k h l l l U4 l h l h h l k h h h h h l k k h h l l l k h h h h h l...

Страница 152: ...BP unit PCB is defective BP Unit LED Indication Description Green Red A 1 2 3 4 j h h h h Normal condition j i h h h Defective electronic expansion valve or anti icing control in non operating indoor...

Страница 153: ...lowings Are the operation modes all the same for the indoor units connected to multi system outdoor unit If not set all the indoor units to the same operation mode and confirm that the operation lamp...

Страница 154: ...eps indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the n...

Страница 155: ...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...

Страница 156: ...eep 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 Error codes and description...

Страница 157: ...ach 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 more Press Cancel button once Maintenance Menu Model Na...

Страница 158: ...ration status Display Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Push Menu button blinks at the bottom of the screen Warning The system con...

Страница 159: ...mode Normal mode Test operation mode Inspection mode Press the INSPECTION TEST button once Press the INSPECTION TEST button for more than 4 seconds Press the INSPECTION TEST button once or leave the...

Страница 160: ...utton 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 Contin...

Страница 161: ...mote controller starts to beep 5 Press the MODE 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 y...

Страница 162: ...the receiver of the remote controller generates a continuous beep 7 Press the MODE button to return to the normal mode If you do not press any button for 1 minutes the remote controller automatically...

Страница 163: ...ity 172 Outdoor Unit E1 Outdoor unit PCB abnormality 183 E2 Branch provider BP unit PCB abnormality 177 E3 Actuation of high pressure switch 184 E4 Actuation of low pressure sensor 186 E5 Compressor m...

Страница 164: ...ansmission error between remote controller and indoor unit 173 U8 Signal transmission error between MAIN remote controller and SUB remote controller 174 System U9 Signal transmission error between ind...

Страница 165: ...B 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 in...

Страница 166: ...tage as rated Error repeats Error repeats YES NO NO YES NO NO YES R18860 Caution To secure the connection once disconnect the connector and then reconnect it YES NO YES NO YES NO YES Match the compati...

Страница 167: ...uring heating operation the temperature detected by the indoor heat exchanger thermistor is used for the heating peak cut control operation halt outdoor fan stop etc Error Decision Conditions Freeze u...

Страница 168: ...e sufficient air passage Clean the air filter Clean the indoor heat exchanger Replace the indoor unit PCB Replace the thermistor As described in the thermistor characteristic chart Check the air filte...

Страница 169: ...n is used to determine 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 maximu...

Страница 170: ...urn off the power supply before connecting the connector also Replace the indoor fan motor Replace the indoor unit PCB Replace the indoor unit PCB Does the fan rotate smoothly Does the fan rotate Moto...

Страница 171: ...ine 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 rotatio...

Страница 172: ...ge as rated Does the fan rotate smoothly Voltage as rated Is there continuity Start operation Turn off the power supply and rotate the fan by hand Check the fan motor voltage Turn the power on and che...

Страница 173: ...osed Causes Disconnection of connector Defective thermistor corresponding to the error code Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 165 C4 Indoor heat exchanger thermistor C9...

Страница 174: ...ctly mounted on a PCB remove the PCB from the control PCB to measure the resistance When the connector of indoor heat exchanger thermistor is soldered on a PCB remove the thermistor and measure the re...

Страница 175: ...k the connector connection 2 With the power on operation off and the connector connected check the following Output voltage of about 5 V between pins 1 and 3 Generation of 3 pulses between pins 2 and...

Страница 176: ...d from the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes External factor noise etc Defective indoor unit PCB Troubleshooti...

Страница 177: ...ure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Connect the drain pump Replace the indoor unit PCB Replace the drain pump There is a drain system...

Страница 178: ...gn matters Troubleshooting Note 1 Check the connector of fan motor Power supply cable 2 Turn OFF the power supply 3 Measure the resistance between the terminals at the motor side connectors to check t...

Страница 179: ...ion Defective float switch Defective indoor unit PCB Troubleshooting YES YES NO NO Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Th...

Страница 180: ...o check the thermistors proceed as follows C4 Indoor heat exchanger thermistor 1 liquid pipe R2T C5 Indoor heat exchanger thermistor 2 R3T C9 Room temperature thermistor R1T Refer to Thermistor Resist...

Страница 181: ...by the remote controller thermistor Error Decision Conditions The remote controller thermistor disconnected or shorted while the unit is running Supposed Causes Defective thermistor Broken wire Troubl...

Страница 182: ...r caused by noise Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Is SS1 of both remote controllers set to MAIN Do al...

Страница 183: ...controller is set to SUB when using 1 remote controller Connection of 2 sub remote controllers when using 2 remote controllers Defective remote controller PCB Troubleshooting Is SS1 of remote controll...

Страница 184: ...ect the remote controller correctly YES NO NO YES Remove the jumper NO YES Set the field setting correctly YES NO NO NO YES YES R17253 Is the remote controller connected to one or more indoor units Is...

Страница 185: ...coil Incorrect connection of connectors for electronic expansion valve coil Troubleshooting Keep using as it is Could be other causes than malfunction Replace the electronic expansion valve coil Repl...

Страница 186: ...ved from the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defective BP unit PCB Troubleshooting YES NO Could be other cau...

Страница 187: ...ctive BP liquid or gas pipe thermistor Incorrect connection of BP liquid or gas pipe thermistor Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 NO YES Re...

Страница 188: ...signal transmission is checked whether it is normal Error Decision Conditions When the data sent from the BP unit cannot be received normally or when the content of the data is abnormal Supposed Cause...

Страница 189: ...NO YES Defective BP unit PCB or malfunction of power supply system Could be other causes than malfunction for example noise etc Is HAP blinking Is HAP blinking YES Normal Address Setting was not cond...

Страница 190: ...aveform Troubleshooting Check No 11 Refer to P 182 YES NO YES Check No 11 Check the power supply waveform NO YES R15586 NO YES Check the transmission wire and the connection orders Could be other caus...

Страница 191: ...wer Supply Waveforms Check Check No 11 Measure the power supply waveform between the pins 1 and 3 on the terminal board and check the waveform disturbance Check to see if the power supply waveform is...

Страница 192: ...om the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defective main PCB A1P Troubleshooting Turn OFF the power supply once...

Страница 193: ...h pressure switch opens Error Decision Conditions When the high pressure switch activation count reaches the number specific to the operation mode Reference Operating pressure 4 0 MPa 1338 ftAq Reset...

Страница 194: ...value by pressure sensor the same Replace the main PCB A1P 1 Mount a pressure gauge on the high pressure service port 2 Reset the operation using the remote controller and then restart the operation D...

Страница 195: ...on Detection by the pressure value with the low pressure sensor Error Decision Conditions When the low pressure is dropped under specific pressure Operating pressure 0 07 MPa 23 ftAq Supposed Causes A...

Страница 196: ...pressure sensor normal See 1 Check if the low pressure value and the actual measurement value by pressure sensor are the same Replace the low pressure sensor The low pressure sensor is normal and the...

Страница 197: ...top valve is left closed Troubleshooting Check the installation conditions Is the stop valve open Are the UVW wirings normal Is high differential pressure starting 0 5 MPa 167 ftAq or more Are inverte...

Страница 198: ...foreign matters Troubleshooting Check No 32 Refer to P 222 Note Refer to page 139 for detail about monitor mode Is the connector of the fan motor disconnected Is there any obstacle around the outdoor...

Страница 199: ...em checks if the connector is disconnected and the detection is based on the continuity of electronic expansion valve coil Error Decision Conditions No current is detected in the common COM when power...

Страница 200: ...onnected Replace the connecting cable Replace the main PCB A1P YES YES NO Ensure correct connection Could be other causes than malfunction for example noise etc NO The coil resistance of electronic ex...

Страница 201: ...ance value of discharge pipe thermistor and the value based on the surface thermometer NO NO Replace the discharge pipe thermistor R2T Replace the main PCB A1P YES YES Discharge pipe thermistor is nor...

Страница 202: ...e thermistor R1T R4T R7T Defective outdoor temperature thermistor outdoor heat exchanger thermistor liquid pipe thermistor R1T R4T R7T Troubleshooting Refer to Thermistor Resistance Temperature Charac...

Страница 203: ...f thermistor Defective outdoor temperature thermistor R1T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 Is the thermistor connec...

Страница 204: ...of thermistor Defective discharge pipe thermistor R2T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 225 Is the thermistor ASSY conn...

Страница 205: ...Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 Refer to page 139 for detail about monitor mode Is the thermistor ASSY connected...

Страница 206: ...ection of thermistor Defective outdoor heat exchanger thermistor R4T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 Is the thermi...

Страница 207: ...tion of thermistor Defective outdoor liquid pipe thermistor R7T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 Is the thermistor...

Страница 208: ...hermistor Defective subcooling heat exchanger gas pipe thermistor R6T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 1 on page 224 Is the resis...

Страница 209: ...ooting 1 Voltage measurement point For pressure voltage characteristics graph refer to Pressure Sensor on page 226 Is the high pressure sensor connected to X17A red on the main PCB A1P Is the voltage...

Страница 210: ...ooting 1 Voltage measurement point For pressure voltage characteristics graph refer to Pressure Sensor on page 226 Is the low pressure sensor connected to X18A blue on the main PCB A1P Is the voltage...

Страница 211: ...Decision Conditions Overcurrent OCP flows during waveform output Malfunction of current sensor during synchronous operation IPM failure Supposed Causes Defective main PCB A1P IPM failure Current sens...

Страница 212: ...Replace the radiation fin thermistor NO Replace the main PCB A1P Continue operation It is supposed that the radiation fin temperature became high due to some field factors In this connection check th...

Страница 213: ...yed when the inverter output voltage is checked by tester Disconnect the connection between the compressor and the main PCB Turn the power transistor check mode setting ON in setting mode 2 Is the com...

Страница 214: ...in PCB Turn the power transistor check mode setting ON in setting mode 2 Is the secondary current of the inverter higher than 16 1 A 260 sec for each phase Is the compressor s coil disconnected After...

Страница 215: ...Turn the power transistor check mode setting ON in setting mode 2 The difference between high and low pressure when starting is above 0 2 MPa 67 ftAq After turning on again L9 blinks again Is the inv...

Страница 216: ...n Conditions When the voltage waveform becomes identical with the waveform of the power supply open phase Supposed Causes Defective main circuit capacitor Improper main circuit wiring Defective main P...

Страница 217: ...ective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 225 Disconnect the lead wires from the compressor and then check the compressor for the i...

Страница 218: ...ant shortage is detected by discharge pipe thermistor and low pressure saturation temperature Error Decision Conditions Microcomputer judge and detect if the system is short of refrigerant The error i...

Страница 219: ...l when measured after disconnecting the thermistor R3T Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Low pressure is 0 25 MPa 84 ft...

Страница 220: ...door fan motor Defective main PCB A1P Troubleshooting Check No 32 Refer to P 222 Is the power supply voltage 200 240V 10 Is the P N resistance not less than several hundred of ohms Check No 32 Is the...

Страница 221: ...check operation performed from the outdoor unit PCB Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Performs the check operation agai...

Страница 222: ...ayed for 2 minutes or more UA blinks on the other remote controllers within the same system A1 blinks on the other remote controllers within the same system A9 blinks on the other remote controllers w...

Страница 223: ...unit Setting of outdoor unit PCB was not conducted after replacing to spare parts PCB Troubleshooting Push and hold the RESET button BS5 on the service PCB A2P for 5 seconds Does a malfunction occur...

Страница 224: ...unit Error Decision Conditions The malfunction decision is made as soon as the abnormality is detected Supposed Causes Address duplication of centralized remote controller Defective indoor unit PCB T...

Страница 225: ...ansmission between indoor unit and centralized remote controller is normal Error Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed Causes Transmis...

Страница 226: ...Is the group No of malfunctioning indoor units set Is the transmission wiring with the master controller disconnected or wired incorrectly Caution Be sure to turn off the power switch before connectin...

Страница 227: ...oor unit PCB Stop valve is left closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carri...

Страница 228: ...s or parts may be damaged NO YES YES After fixing incorrect wiring push and hold the RESET button BS5 on the service PCB A2P for 5 seconds The unit does not run for up to 12 minutes Normal NO YES Norm...

Страница 229: ...mperature not more than 46 C 114 8 F Is the outdoor temperature not more than 46 C 114 8 F High suction air temperature of indoor unit High ambient temperature Is the suction air temperature not more...

Страница 230: ...thermistor of indoor unit Is the connector properly connected Are the thermistor resistance characteristics normal Low suction air temperature of outdoor unit Is the outdoor temperature not less than...

Страница 231: ...e fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Measurement point Judgment 1 4 1 M...

Страница 232: ...r operated valve failure Control failure Check if coil resistance and insulation are normal Check if coil resistance and insulation are normal Check if the voltage property is normal Check if the conn...

Страница 233: ...7 5687 147 8597 148 2 10 14 112 0 111 6578 111 8780 112 1 5 23 85 52 85 2610 85 4291 85 60 0 32 65 84 65 6705 65 8000 65 93 5 41 51 05 50 9947 51 0954 51 14 10 50 39 91 39 9149 39 9938 39 99 15 59 31...

Страница 234: ...5 478 8 15 59 30 61 373 1 20 68 24 29 292 9 25 77 19 41 231 4 30 86 15 61 184 1 35 95 12 64 147 4 40 104 10 30 118 7 45 113 8 439 96 13 50 122 6 954 78 29 55 131 5 761 64 10 60 140 4 797 52 76 65 149...

Страница 235: ...5 5 20 4 15 3 10 2 5 1 5 0 4 5 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 0 kgf cm2 167 1673 1505 1338 1171 1004 836 669 502 335 167 0 ftAq PH MPa 1 38VH 0 69 MPa PH ftAq 462VH 231 ftAq PL MPa 0 57VL 0 28 MPa PL...

Страница 236: ...conductors mounted on the main PCB A1P with a multiple tester Items to be prepared Multiple tester Prepare the digital type of multiple tester with diode check function Preparation Turn OFF the power...

Страница 237: ...each value variation The following abnormalities are also doubted besides the PCB abnormality h Defective compressor ground fault ground leakage h Defective fan motor ground leakage Tester terminal Cr...

Страница 238: ...ppendix 1 Piping Diagrams 226 1 1 Outdoor Unit 226 1 2 Branch Provider BP Unit 227 1 3 Indoor Unit 228 2 Wiring Diagrams 230 2 1 Outdoor Unit 230 2 2 Branch Provider BP Unit 231 2 3 Indoor Unit 232 3...

Страница 239: ...ter Service port Service port SP Filter SP Filter Filter SV HPS Compressor Accumulator Electronic expansion valve Double pipe heat exchanger Fusible plug Electronic expansion valve Pressure regulating...

Страница 240: ...IDE THERMISTOR DGA GAS SIDE THERMISTOR DGB 3D080438 INDOOR UNIT SINGLE UNION JOINT REFRIGERANT FLOW GAS HEATING COOLING INDOOR UNIT FILTER EVH EVA FILTER LIQUID SINGLE UNION JOINT SINGLE UNION JOINT S...

Страница 241: ...SS FLOW FAN M FAN MOTOR 1 2CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH FIELD PIPING 1 4CuT FIELD PIPING 3 8CuT 4D048251C INDOOR UNIT 5 16 CuT DISTRIBUTOR HEAT EXCHANGER CROSS FLOW FAN...

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

Страница 243: ...N WIRING TO BP OUTDOOR TRANSMISSION F1 F2 Y1S Y2S Y3S Z1C 7C Z1F 4F S1S S2S X37A NOTE 4 SOLENOID VALVE 4 WAY VALVE SOLENOID VALVE HOT GAS SOLENOID VALVE U L CIRCUIT NOISE FILTER FERRITE CORE NOISE FIL...

Страница 244: ...ERMISTOR DIP SWITCH TRANSFORMER TERMINAL STRIP MOTOR OPERATED VALVE COIL 3D079641 t t t t t t BLU BLU BLU BLU BLK BLK BLK BLK YLW YLW YLW YLW FIELD WIRING Y4E 6 RED BLU M OFF ROOM C ORG YLW 1 12 WHT 1...

Страница 245: ...U H1P H3P MR10 M1F M1S M3S PCB1 PCB4 R1T R2T S1 S49 SW1 V1 X1M BUZZER CAPACITOR FRAME GROUND FUSE PILOT LAMP MAGNETIC RELAY FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION S...

Страница 246: ...ACITOR FRAME GROUND FUSE PILOT LAMP MAGNETIC RELAY FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH VARISTOR TERMINAL STRIP PROTECTIVE EARTH BZ C101 C102 FG F1U H1P H3...

Страница 247: ...OF THE REMOTE CONTROLLER CORD TO THE INDOOR UNIT IN CASE OF USING SHIELD WIRE 5 SYMBOLS SHOW AS FOLLOWS RED RED BLK BLACK WHT WHITE YLW YELLOW GRN GREEN BLU BLUE A1P C1 F1U HAP KPR M1F M1P M1S Q1M R1T...

Страница 248: ...et No Refer to the following booklets for removal procedure RMXS48LVJU BPMKS048A2U BPMKS049A3U Refer to Si181296_A CTXS07LVJU Refer to Si041252_B CTXS07JVJU CTXS09 12HVJU Refer to Si041253_A FTXS15 18...

Страница 249: ...SiUS181305E Removal Procedure Booklet No Appendix 240...

Страница 250: ...or and or retailer whether this product conforms tot he applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or...

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