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Troubleshooting for RA Indoor Unit

SiEBE18-526

258

Troubleshooting

4.2

Freeze-up Protection Control or High Pressure Control

Remote
Controller
Display

A5

Method of
Malfunction
Detection

High pressure control (heat pump model only)

During heating operations, the temperature detected by the indoor heat exchanger
thermistor is used for the high pressure control (stop, outdoor fan stop, etc.)

The freeze-up protection control (operation halt) is activated during cooling operation
according to the temperature detected by the indoor unit heat exchanger thermistor.

Malfunction
Decision
Conditions

High pressure control

During heating operations, the temperature detected by the indoor heat exchanger
thermistor is above 65°C

Freeze-up protection
When the indoor unit heat exchanger temperature is below 0°C during cooling operation.

Supposed
Causes

Operation halt due to clogged air filter of the indoor unit.

Operation halt due to dust accumulation on the indoor unit heat exchanger.

Operation halt due to short-circuit.

Detection error due to faulty indoor unit heat exchanger thermistor.

Detection error due to faulty indoor unit PCB.

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Содержание Super Multi Plus D-Series

Страница 1: ...SiEBE18 526 D Series Service Manual Applied Models zSuper Multi Plus Heat Pump...

Страница 2: ...VMB FLXS35BAVMB FFQ60B7V1B FTXS35D 2 VMW L 9 CDXS50CVMB FLXS50BVMB FHQ35BUV1B9 FTXS35DA 3 VMW L 7 CDXS60CVMB FLXS50BAVMB FHQ50BUV1B9 CTXS50D 2 VMW L FLXS60BVMB FHQ60BUV1B9 FTXS20CVMB 9 FLXS60BAVMB FTX...

Страница 3: ...1 1 7 Floor Ceiling Suspended Dual Type 32 1 8 Floor Standing Type 35 1 9 Ceiling Mounted Cassette 600 600 Type 38 1 10 Ceiling Suspended Type 40 Part 4 Refrigerant Circuit 43 1 Refrigerant Circuit 44...

Страница 4: ...ting Operation 79 7 Indoor Unit RA Models 80 7 1 Power Airflow Dual Flaps Wide Angle Louvers and Auto Swing 80 7 2 Fan Speed Control for Indoor Units 81 7 3 Programme Dry Function 82 7 4 Automatic Ope...

Страница 5: ...5 Sky Air Indoor Unit Error Codes and LED Indication 252 2 6 Malfunction Code Indication by Outdoor Unit PCB 253 3 List of Malfunction Code 255 4 Troubleshooting for RA Indoor Unit 257 4 1 Indoor Uni...

Страница 6: ...306 7 14 Malfunction of Low Pressure Sensor 307 7 15 Malfunction of Inverter Radiating Fin Temperature Rise 308 7 16 Inverter Compressor Abnormal 309 7 17 Inverter Current Abnormal 310 7 18 Inverter S...

Страница 7: ...ents 2 2 Removal of Solenoid Valve Coil 356 Part 10Appendix 359 1 Piping Diagrams 360 1 1 Outdoor Units 360 1 2 BP Units 361 1 3 Indoor Units 362 2 Wiring Diagrams 367 2 1 Outdoor Units 367 2 2 BP Uni...

Страница 8: ...plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipm...

Страница 9: ...se the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency Warning Be sure to use parts listed in the service parts list of the applicable model and appr...

Страница 10: ...leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair work...

Страница 11: ...and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistanc...

Страница 12: ...SiEBE18 526 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...

Страница 13: ...3 D Airflow Night Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display Comfort Control Auto Fan...

Страница 14: ...er 24 Hour On Off Timer Comfort Airflow Mode 72 Hour On Off Timer 3 Step Airflow H P Only Night Set Mode Comfort Control Auto Fan Speed Worry Free Reliability Durability Auto Restart after Power Failu...

Страница 15: ...D Airflow Night Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display H H H Comfort Control Auto F...

Страница 16: ...ight Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display H1 H1 Comfort Control Auto Fan Speed Wi...

Страница 17: ...Set Mode Comfort Airflow Mode Worry Free Reliability Durability Auto Restart after Power Failure 3 Step Airflow H P Only Self Diagnosis Digital LED Display H H Comfort Control Auto Fan Speed Wiring E...

Страница 18: ...SiEBE18 526 Specifications 7 Part 2 Specifications 1 Specifications 8 1 1 Outdoor Units 8 1 2 BP Unit 9 1 3 Indoor Units 10...

Страница 19: ...Propeller Motor Output W 70 70 Running Current A 0 4 0 4 Power Consumption W 88 88 Starting Current A 17 6 22 6 24 9 Dimensions H W D mm 1 345 900 320 Package Dimensions H W D mm 1 475 980 420 Weight...

Страница 20: ...427 Machine Weight kg 7 5 8 Gross Weight kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main 9 5 1 Branch 6 4 2 Main 9 5 1 Branch 6 4 3 Gas mm Main 1...

Страница 21: ...nd Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D049110A 3D049111A Model FTXS25D 2 VMW 9 FTXS25DA 3 VMW 7 FTXS25D 2 VML FTXS25DA 3 VML Cooling Heating Co...

Страница 22: ...as Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D048875A 3D049114A Model CTXS50D 2 VMW CTXS50D 2 VML Cooling Heating Cooling Heating Rated Capacity 5 0kW Cla...

Страница 23: ...Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D044245B 3D044246B Model FTXS35CVMB 9 8 FTXS35CAVMB FTXS50BVMB Cooling Heating Cooling Heating Rated Capacity 3 5kW C...

Страница 24: ...l Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 20 0 20 0 22 Power Consumption Rated W 40 45 45 50 Power Factor 96 6 97 8 96 4 97 6...

Страница 25: ...5 33 31 29 35 33 31 29 35 33 31 29 External Static Pressure Pa 40 40 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP2...

Страница 26: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D040174A 3D040175A Model FLXS50BVMB FLXS50BAVMB FLXS60BVMB FLXS60BAVMB Cooling Heating Cooling Heating Rated Capa...

Страница 27: ...13 Gross Weight kg 19 19 Operation Sound H M L SL dBA 38 32 26 23 38 32 26 23 39 33 27 24 39 34 29 26 Sound Power H dBA 54 55 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping...

Страница 28: ...ing Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D040445 3D040443 Model FFQ50B7V1B FFQ60B7V1B Cooling Heating Cooling Heating Rated Capacity 5...

Страница 29: ...zontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Temperature Control Microcomputer Control Microcomputer Control Microcomputer...

Страница 30: ...XS 112 140 160 D7V3B 20 1 2 Branch Provider Unit BPMKS967A2B B2B A3B B3B 24 1 3 Wall Mounted Type 20 25 35 50 Class D Series 25 1 4 Wall Mounted Type 20 25 35 Class C Series 27 1 5 Wall Mounted Type 5...

Страница 31: ...nverter PCB A2P 7 X26A Connector for Electronic Expansion Valve Main 8 X28A Connector for Electronic Expansion Valve Sub Cool 9 X34A Connector for Discharge Pipe Thermistor 10 X37A Connector for Therm...

Страница 32: ...ted Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 21 PCB Detail X25A X28A X26A H1P to H7P BS1 to BS5 X1A X2A X3A X5A X6A HAP DS1 X1M X46A X45A X44A X37...

Страница 33: ...iagram and Name 1 1 2 Inverter PCB A2P Connectors 1 X60A Connector for High Pressure Switch 2 X205A Connector for Control PCB A1P 3 X206A Connector for Fan Motor Upper Side 4 X207A Connector for Fan M...

Страница 34: ...ring Diagram and Name 23 1 1 3 Filter PCB A3P Connectors 1 X1A Connector for Control PCB A1P 2 LA NA Terminal for X1M Power Supply Terminal Strip 3 LB NB Terminal for Inverter PCB A2P Note Other Desig...

Страница 35: ...or for Thermistors 1 F2U Fuse AC250V 3 15A 2 X3M Terminal for Inter Connecting Wire to Room A 3 X4M Terminal for Inter Connecting Wire to Room B 4 X5M Terminal for Inter Connecting Wire to Room C 5 F1...

Страница 36: ...Connector for display PCB 5 S28 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S35 Connector for INTELLIGENT EYE sensor PCB 1 S29 Connector for control PCB 1 S27 Con...

Страница 37: ...ted Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 1 Control PCB PCB 4 INTELLIGENT EYE sensor PCB V1 S1 Fu1 S6 S26 S28 S32 JC JB JA LED A S35 S21 R4288 PCB 2 Signal Receiver PCB PCB 3...

Страница 38: ...ctor for centralized control to 5 rooms 5 S26 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S35 Connector for INTELLIGENT EYE Sensor PCB 1 S27 Connector for control...

Страница 39: ...ing Diagram and Name PCB Detail PCB 1 Control PCB PCB 2 Signal Receiver PCB PCB 3 INTELLIGENT EYE Sensor PCB Pb Free S36 S32 S26 R4886 GND S6 12V Check S7 S1 SW7 FU1 PCB 1 Control 5V Check RTH1 S27 LE...

Страница 40: ...ralized control HA 5 S26 Connector for buzzer PCB 6 S28 Connector for signal receiver PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for Intelligent Eye sensor PCB 1 S29 Connector f...

Страница 41: ...ctor Wiring Diagram and Name PCB Detail PCB 1 Control PCB indoor unit PCB 2 Signal Receiver PCB PCB 3 Buzzer PCB PCB 4 Display PCB PCB 5 Intelligent Eye sensor PCB S1 V1 FU1 S6 S8 S26 R2860 S28 S32 JC...

Страница 42: ...21 Connector for centralized control to 5 rooms 4 S26 Connector for display PCB 5 S32 Connector for heat exchanger thermistor 1 S1 Connector for control PCB 1 V1 Varistor 2 JA Address setting jumper J...

Страница 43: ...onnector for display PCB 5 S26 Connector for signal receiver PCB 6 S32 Connector for heat exchanger thermistor 7 S37 Connector for power supply PCB 1 S36 Connector for control PCB 1 S25 Connector for...

Страница 44: ...ng Diagram Printed Circuit Board Connector Wiring Diagram and Name 33 PCB Detail PCB 1 Control PCB PCB Detail PCB 2 Power Supply PCB S32 S26 LED A GND S37 S37 Fb Free SW2 S7 S6 12V Check 5V Check JA J...

Страница 45: ...t Board Connector Wiring Diagram SiEBE18 526 34 Printed Circuit Board Connector Wiring Diagram and Name PCB 3 Display PCB PCB 4 Signal Receiver PCB S25 LED3 LED2 LED1 Pb Free 2P084377C S27 SW1 S31 Pb...

Страница 46: ...4 S31 S32 Connector for room temperature heat exchanger thermistor 5 S7 S201 S203 Connector for power supply PCB 6 S25 Connector for Signal receiver PCB 7 S301 S302 Connector for DC fan motors 1 S26 C...

Страница 47: ...Printed Circuit Board Connector Wiring Diagram SiEBE18 526 36 Printed Circuit Board Connector Wiring Diagram and Name PCB Detail PCB 1 Power Supply PCB S204 S8 PCB1 S202 2P044051F...

Страница 48: ...Board Connector Wiring Diagram and Name 37 PCB Detail PCB 2 Control PCB PCB 3 Display PCB PCB 4 Signal Receiver PCB S201 LED 11 LED 12 LED 14 SW1 FU V1 S7 S31 S32 S203 LED A PCB 2 S21 JC JB JA S6 S23...

Страница 49: ...Connector for Room Temperature Thermistor 6 X20A Connector for Fan Motor 7 X24A Connector for Wireless Remote Controller Receiver Unit 8 X25A Connector for Drain Pump Motor 9 X27A Connector for Termi...

Страница 50: ...rd Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 39 PCB Detail X25A X18A X61A X36A X40A X17A X15A HAP Service monitor LED X5A X35A X24A X60A X19A X33A X27A X20A 2P09...

Страница 51: ...istor 1 6 X19A Connector for Room Temperature Thermistor 7 X20A X26A Connector for Fan Motor 8 X24A Connector for Wireless Remote Controller Receiver Unit 9 X25A Connector for Drain Pump Motor Optiona...

Страница 52: ...nnector Wiring Diagram Printed Circuit Board Connector Wiring Diagram and Name 41 PCB Detail Capacity setting adaptor X18A X40A X15A X19A X17A X14A X61A X33A X27A X20A X35A X60A X5A X24A X26A X29A X25...

Страница 53: ...Printed Circuit Board Connector Wiring Diagram SiEBE18 526 42 Printed Circuit Board Connector Wiring Diagram and Name...

Страница 54: ...140 160 D7V3B 44 1 2 BPMKS 967 A2B B2B A3B B3B 46 2 Functional Parts Layout 47 2 1 RMXS 112 140 160 D7V3B 47 3 Refrigerant Flow for Each Operation Mode 48 3 1 Cooling Operation 48 3 2 Heating Operatio...

Страница 55: ...gh pressure when a malfunction occurs this switch is activated at high pressure of 4 0 MPa or more to stop the compressor operation S Fusible plug In order to prevent the increase of pressure when abn...

Страница 56: ...essor Filter HPS Receiver Filter Filter Heat exchanger Service port 1 2 3 4 Q0371 5 High pressure sensor Four way valve Pressure regulating valve Oil separator Solenoid valve Capillary tube Low pressu...

Страница 57: ...mal control 2 DLA DLC Thermistor Liquid pipe While in heating operation used to carry out the indoor unit SC control 3 R1T Thermistor Room temp Used to detect room air temperature and instructs the ca...

Страница 58: ...e heater lead wire R3T S1NPH High pressure sensor Connector color RED Four way valve coil Y3S Solenoid valve Y1S S1NPL Low pressure sensor Connector color BLUE Solenoid valve Connector color PINK Y2S...

Страница 59: ...OFF OFF OFF ON ON OFF FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PI...

Страница 60: ...ELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING SIRROCO FAN FAN MOTOR SIRROCO FAN FAN MOTOR SIRROCO FAN FAN MOTOR SIRROCO FAN FAN MOTOR HEAT EXCHANGER HEAT EXCHANGER HEAT E...

Страница 61: ...VER HEAT HEAT EXCHANGER THERMISTOR THERMISTOR HEAT HEAT EXCHANGER THERMISTOR THERMISTOR HEAT HEAT EXCHANGER THERMISTOR THERMISTOR HEAT HEAT EXCHANGER THERMISTOR THERMISTOR HEAT HEAT EXCHANGER THERMIST...

Страница 62: ...VE ROOM B FILTER FILTER FILTER GAS SIDE THERMISTOR DGA GAS SIDE THERMISTOR DGB LIQUID SIDE THERMISTOR DLB LIQUID SIDE THERMISTOR DLA FILTER ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE...

Страница 63: ...Refrigerant Flow for Each Operation Mode SiEBE18 526 52 Refrigerant Circuit...

Страница 64: ...rol 72 4 6 Dew Condensation Prevention Control 73 5 Other Control 74 5 1 Demand Operation 74 5 2 Heating Operation Prohibition 74 6 BP Unit Control 75 6 1 BP Unit Command Conversion 75 6 2 BP Unit Ele...

Страница 65: ...tion Indoor unit stop or thermostat OFF Malfunction Standby Startup control Cooling startup control Heating startup control Malfunction Standby Normal operation Compressor PI control Electronic expans...

Страница 66: ...FF This valve turns on with dew prevention control BP unit electronic expansion valve operating room SH control BP unit electronic expansion valve stopping room 0 pls Actuator Operation Remarks Compre...

Страница 67: ...uivalent saturation temperature C TeS initial value TeS Target Te value Varies depending on Te setting operating frequency etc Condition L M Normal factory setting H D up 3 6 9 D keep 12 12 12 D down...

Страница 68: ...own control When the down command come from all indoor units among thermostat ON indoor units Keep control Except for the above About detail of D signal refer to P75 Cooling Operation TeS TeS initial...

Страница 69: ...on value by D signal in heating D control Keep the current KTc2 KTc2 KTc2 0 5 KTc2 KTc2 0 5 Q0397 KTc2 0 without correction During compressor frequency PI control KTc2 0 Not during compressor frequenc...

Страница 70: ...ding on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve EV2 Control Makes PI control of the electronic expansion valve Y2E to keep the superheated de...

Страница 71: ...l restricts lower limit of the number of rotations according to outdoor air temperature Lower Limit Restriction for Cooling Operation Fan Control Ta 17 C Ta 20 C Ta 15 C Ta 18 C Ta 9 C Ta 12 C Ta Outd...

Страница 72: ...ion valve EV1 2000 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP ON Receiver gas discharging valve SVG OFF Ending conditions 255 sec Pc Pe 0 4 MPa 75 sec BP unit electro...

Страница 73: ...compressor load Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 124 Hz 124 Hz Outdoor unit fan Fan control Fan cont...

Страница 74: ...ng of the four way valve Outdoor Unit Actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 124 Hz 2 step increase from 52 Hz to Pc Pe...

Страница 75: ...ost the compressor stops for 110 sec to reduce noise on changing of the four way valve Outdoor unit actuator Defrost preparation operation Defrost operation Post Defrost operation Compressor Upper lim...

Страница 76: ...ressor 124 Hz Outdoor unit fan Fan control Four way valve OFF Main electronic expansion valve EV1 2000 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Receiver gas dis...

Страница 77: ...lve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV2 0 pls Hot gas bypass valve SVP OFF Receiver gas discharging valve SVG OFF Ending condition...

Страница 78: ...sec 3 45MPa Pc 3 55MPa or High pressure not limited High pressure limited INV upper limit frequency 1 step up from current compressor frequency INV upper limit frequency 1 step up from current compre...

Страница 79: ...imit frequency Pc 2 95MPa or Increase the operating room Pc 3 00MPa During oil return operation After oil return operation During defrost operation After defrost operation Cooling operation During pum...

Страница 80: ...value Low pressure limited Low pressure standby When occurring 3 times within 60 min the malfunction code E4 is output Pe 0 07MPa V3176 SVP OFF SVP ON Pe 0 25MPa INV upper limit frequency More than 1...

Страница 81: ...equency 1 step up from current compressor frequency Exclusion of the right conditions Fix INV frequency 52Hz HTdi 130 C HTdi 115 C for 90sec or more Tp 140 C HTdi 100 C Tp 115 C Cooling 20 sec Heating...

Страница 82: ...erter current 23 8A continues for 3 min Status quo Without conditions V3178 Inverter current 23 8A Inverter current 23 8A INV upper limit frequency Inverter current 23 8A 10 sec Matching of frequency...

Страница 83: ...based on the freeze 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 st...

Страница 84: ...based on the 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 th...

Страница 85: ...tor is required Demand 1 setting Demand 2 setting H Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Heating operation is prohibited above...

Страница 86: ...ands excludes when Powerful function is in operation 2 Processing during Powerful operation mode 1 When Powerful command is received from indoor units one or more units 2 Thermostats are not OFF in ro...

Страница 87: ...A DA pls DA room temperature DOA outdoor air temperature During Heating Operation Target EV opening 350 pls 6 2 2 Electronic Expansion Valve Flow Rate Restriction This function prevents the deviation...

Страница 88: ...mber sets the electronic expansion valve pulse to 0 4 Stops transmission of electronic expansion valve initialization signal when EVH retightening is completed 6 2 4 Control Based on EV Opening Comman...

Страница 89: ...room unit When SH is lower than target value Closes the valve of that room unit When the liquid pipe temperature is lower than the heat exchanger temperature the electronic expansion valve is opened m...

Страница 90: ...his function ensures appropriate refrigerant distribution when room units are operating in the heating mode It prevents abnormal increase of the high pressure and operation with gas shortage due to un...

Страница 91: ...dry and fan 3 D Airflow FTXS50 71B Alternative repetition of vertical and horizontal swing motions enables uniform air conditioning of the entire room This function is effective for starting the air c...

Страница 92: ...rpm 2 Fan stops during defrost operation Automatic Air Flow Control for Heating The following drawing explains the principle for fan speed control for heating Automatic Air Flow Control for Cooling T...

Страница 93: ...t by the microcomputer is divided into two zones Then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room...

Страница 94: ...tting temperature plus correction value correction value cooling 0 deg heating 2 deg 3 Operation ON OFF point and mode switching point are as follows 1 Heating Cooling switching point Room temperature...

Страница 95: ...ature difference is above 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...

Страница 96: ...rtable sleeping conditions and also conserves electricity Cooling Operation In case of FTXS20 35D and CTXS50D the temperature rises once Heating Operation Timer operation Night Set Circuit ON 0 5 C te...

Страница 97: ...controller by pushing the ECONO button When this function is ON the maximum capacity is also down Approx 20 This function can only be set when the unit is running Pressing the operation stop button c...

Страница 98: ...computer doesn t have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in temperature sifted 2 C from the set temperature Cooling 2 C higher Dry 1 C hi...

Страница 99: ...o as to prevent this phenomena After this 40 minutes the prohibition of the thermostat off is cancelled and it can realize the conditions to conduct thermostat off depending on the room temperature In...

Страница 100: ...tive 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 liquid crystal display of the remote controller The indoor u...

Страница 101: ...nutes In case of FTXS20 35D CTXS50D Ex Powerful operation in cooling mode Operation mode Fan speed Target set temperature COOL H tap 50 rpm 18 C DRY Dry rotating speed 50 rpm Normally targeted tempera...

Страница 102: ...seful when the remote controller is missing The operation mode refers to the following table In the case of multi system operation there are times when the unit does not activate with this button 7 11...

Страница 103: ...performed 7 11 8 Mold Proof Air Filter The filter net is treated with mold resisting agent TBZ harmless colorless and odorless Due to this treatment the amount of mold growth is much smaller than that...

Страница 104: ...g Indoor Unit Fan Control Phase control Flap Control Fan Motor Drain Pump Optional for FHQ Wireless units only Flap Motor LED Display Buzzer LED S2540 Heat Exchanger Sensor R2T Heat Exchanger Sensor R...

Страница 105: ...tronic control unit 2P095006 2 EC0280 Fan motor 3P104408 1 4P 55W Fan motor capacitor 4 0MF 440VAC Swing flap motor MP35HCA 3P080801 1 Float switch 4P104167 1 FS 0211 Drain pump 3P103929 1 PLD 12230 D...

Страница 106: ...or details see the section on cooling operation under low outside air temperature Cooling Display Heating thermostat OFF Cooling thermostat OFF S1962 Cooling thermostat ON Set temperature 2 5 2 1 2 5...

Страница 107: ...dry auto heat Drain Pump Control FFQ and FHQ OPTION After continuous 30 minutes of operation with downward horizontal blade position change the blade position to level and after one hour the unit oper...

Страница 108: ...f the abnormality could not be recovered during intermittent operation the latter 5 min ON operation is continued until recovery of the abnormality Water level abnormality shall be cancelled simultane...

Страница 109: ...ON OFF 5min Intermittent operation 1 5 sec A sec 10 sec After compressor stops due to water level abnormality drain pump is operated intermittenly i e 5 min ON 5 sec OFF and 5 min ON 1 The intermitte...

Страница 110: ...level abnormality Recovery of drain water level abnormality 5min 5min Intermittent operation 1 Drain pan Water level abnormality Normal Remote control ON OFF Drain pump ON OFF Compressor ON OFF Error...

Страница 111: ...us ON OFF operation 3 When conditions relating set temperature with remote controller and suction air temperature are out of the operating zone of remote controller thermostat shown in below diagram E...

Страница 112: ...and the power supply is to be shut off be sure to turn the remote controller s ON OFF switch OFF first Shutting the power supply switch off while the ON OFF switch is still ON is dangerous because th...

Страница 113: ...n Setting LL Horizontal Set Position Stop Error In Swing Operation OFF Horizontal In Airflow Direction Setting OFF Horizontal Overload Thermostat OFF In Swing Operation LL Horizontal Swing In Airflow...

Страница 114: ...can be operated as follows Operational The unit for another room is switched into non operational condition Non operational Operation of the indoor unit for the own room during non operation Fan OFF...

Страница 115: ...me if casing temperature is below dew point dew gets condensed In order to prevent the dew condensation this control is used to operate the fan for a specified period of time thus discharging the mois...

Страница 116: ...ing Mode 118 4 Field Setting for SkyAir Indoor Unit 128 4 1 Explanation 128 4 2 Field Setting 129 4 3 Initial Setting Contents 130 4 4 Local Setting Mode Number 131 4 5 Detailed Explanation of Setting...

Страница 117: ...er for other circuits than 200 230V circuit Are the setscrews of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of...

Страница 118: ...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 Example thermostat...

Страница 119: ...o of Indoor Unit Has Been Changed or Indoor BP or Outdoor Unit PC Board Has Been Changed or the System is transferred Be sure to push and hold the RESET button for 5 seconds If not the addition cannot...

Страница 120: ...lves in the outdoor unit remain closed Open the stop valve on both the gas side and liquid side The operation mode on the remote controller was changed before the check run Set the operating mode on a...

Страница 121: ...onfirm that the indoor outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater...

Страница 122: ...or 4 Local setting switch Connection terminal for transmission use DS1 HAP Q0404 F1 F2 F1 F2 1 Microcomputer normal monitor LED Green This monitor blinks while in normal operation and turns on or off...

Страница 123: ...following setting The spare parts P C B is different from the P C B on factory shipment above in a way of setting When you exchange to the spare parts P C B make sure that you change setting referrin...

Страница 124: ...S2 SET BS3 RETURN BS4 TEST BS5 RESET V2760 Setting mode 1 Monitor mode H1P Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push and hold the BS1 MODE button for 5 seconds Push the BS1 MODE butto...

Страница 125: ...m LED display example H1P H2P H3P H4P H5P H6P H7P Normal 7 7 8 7 7 7 7 Malfunction 7 8 8 7 7 7 7 Preparing Test run 7 9 8 7 7 7 7 8 ON 7 OFF 9 Blinking a Setting mode 1 Normally Setting mode 1 is set...

Страница 126: ...etting If the capacity control is required the low noise control is automatically released by this setting during carrying out low noise operation and Night quiet operation 30 Demand setting 1 Changes...

Страница 127: ...Normal 8777787 Slow defrost 8777778 21 Refrigerant recovery mode setting 8 7 8 7 8 7 8 Refrigerant recovery OFF 8777778 Refrigerant recovery ON 8777787 22 Night quiet mode setting 8 7 8 7 8 8 7 OFF 8...

Страница 128: ...9 7 L 9 7 7 7 7 7 7 Tc setting H 9 7 7 7 7 7 8 M 9 7 7 7 7 7 9 L 9 7 7 7 7 7 7 c Monitor mode Selection of setting item Confirmation on setting contents To enter the monitor mode push the MODE button...

Страница 129: ...ly for each outdoor unit system by cool heat switching remote controller c Set Cool Heat Separately for Each Outdoor System by Indoor Unit Remote Controller Set outdoor unit PC board DS1 1 to indoor f...

Страница 130: ...r Set outdoor unit PC board DS1 1 to outdoor factory set Set cool heat switching to individual for Setting mode 1 factory set MODE H1P H2P H3P H4P H5P H6P H7P IND TEST MALFNC SLAVE MASTER C H SELECT C...

Страница 131: ...ts higher the low noise instructions are neglected to switch to normal operation Set by Setting Mode 2 B When the low noise operation is carried out automatically at night The outdoor unit external co...

Страница 132: ...art setting Factory setting is PM 10 00 If capacity precedence is set in Capacity precedence setting the fan speed will be increased according to the load of air conditioning when load is heavier Oper...

Страница 133: ...the External low noise Demand YES Set by Setting Mode 2 Set the Demand 1 level setting on the outdoor unit PCB as the need arises During the demand level 1 instruction the power consumption can be sav...

Страница 134: ...s set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of rated power consumption has been set at factory Power consumption Rated power consumption...

Страница 135: ...H1P on c In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights d Push the BS2 SET button several times and match the LED display with the Set...

Страница 136: ...quiet mode end setting z z AM 6 00 z z z z z AM 7 00 z z z z z AM 8 00 Factory setting z z z z z 29 Capacity precedence setting z z Low noise precedence Factory setting z z z z z Capacity precedence...

Страница 137: ...ction attached to the refrigerant recovery unit for more detal e Press Mode button BS1 once and reset Setting Mode 2 3 2 4 Setting of Vacuuming Mode In order to perform vacuuming operation at site ful...

Страница 138: ...T button for 5 seconds 10 sec to 10 minutes LED display H1P H7P 8 ON 9 BLINKING 3 OFF 3383333 3933338 Pressure equalizing Step 1 30 sec to 200 sec 10 minutes To 30 seconds 3933383 Cooling start contro...

Страница 139: ...out from the remote controller At time of installation or after maintenance inspection repair carry out field set according to the explanation below Incorrect settings will cause a malfunction to occ...

Страница 140: ...ontrol when setting by each indoor unit mode No 20 21 and 23 have been selected push the button and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group Select the d...

Страница 141: ...the button and select the SECOND CODE NO 5 Push the button and the present settings are SET 6 Push the button to return to the NORMAL MODE 4 3 Initial Setting Contents MODE NO FIELD SET MODE 3 4 5 SEC...

Страница 142: ...operating when the power supply is turned on 5 Do not set any items other than those listed in the above table 6 Functions that indoor units are not equipped with will not be displayed 7 When returni...

Страница 143: ...ow direction setting according to the respective purpose 4 5 4 Fan Speed OFF When Thermostat is OFF FFQ FHQ When the cool heat thermostat is OFF you can stop the indoor unit fan by switching the setti...

Страница 144: ...ver and wireless remote controller For group control see the attached installation manual for the indoor unit If using together with a wired remote controller you have to change the main sub setting o...

Страница 145: ...the button for at least 1 second to quit the FIELD SET MODE and return to the normal display Multiple Settings A b When the indoor is being operating by outside control central remote controller etc...

Страница 146: ...on panel air discharge outlet as well as on the back of the wireless remote controller PRECAUTIONS Set the Unit No of the receiver and the wireless remote controller to be equal If the settings differ...

Страница 147: ...n the order of 1 00 1 01 1 15 2 00 4 15 etc The unified ON OFF controller however displays only the range of group numbers selected by the switch for setting each address 5 Push the timer ON OFF butto...

Страница 148: ...he count is updated each time a malfunction occurs Mode No Function Content and Operation Method Example of Remote Controller Display 40 Malfunction Hysteresis You can change the history with the prog...

Страница 149: ...for 3 minutes after it is turned off Trial Operation and Testing 1 Measure the supply voltage and make sure that it falls in the specified range 2 Trial operation should be carried out in either cool...

Страница 150: ...ddress jumper JA on the control PCB Wireless remote controller 1 Slide the front cover and take it off 2 Cut the address jumper J4 5 2 2 Jumper Setting R4417 ADDRESS JA ADDRESS JA EXIST 1 CUT 2 ADDRES...

Страница 151: ...ensor to adjust the angle Aim so that the sensor is pointing to the center of the room or to the part of the room that is most frequently used After adjusting the angle gently wipe the sensor with a c...

Страница 152: ...ystem Configuration 1 System Configuration 142 1 1 Operation Instructions 142 2 Instruction 143 2 1 RMXS Series 143 2 2 Wall Mounted Duct Floor Ceiling Floor Standing Type 144 2 3 Ceiling Mounted Cass...

Страница 153: ...d to know a clever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing Howe...

Страница 154: ...o the standby mode for protection OPERATING NOISE At startup During startup in order to emit warm or cool air as quickly as possible the sound of refrigerant flowing will be heard for a short time 1 t...

Страница 155: ...ER Operation H 191 191 191 Note for Multi System 193 193 193 Care Care and Cleaning 194 197 200 Trouble Shooting Trouble Shooting 211 211 211 Drawing No 3P142629 1B 3P119293 2H 3P098586 1G Model Serie...

Страница 156: ...c For repairs and reinstallation consult your Daikin dealer for advice and information The refrigerant used in the air conditioner is safe Although leaks should not occur if for some reason any refrig...

Страница 157: ...age Incomplete draining may cause wetting of the building furniture etc Do not operate the air conditioner with wet hands Do not wash the indoor unit with excessive water only use a slightly wet cloth...

Страница 158: ...SiEBE18 526 Instruction System Configuration 147 2 2 3 Names of Parts FTXS20 25 35D CTXS50D ON OFF 16 14 13 15 12 1 3 4 5 7 9 10 11 8 6 2 Names of parts Indoor Unit...

Страница 159: ...F switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the remote control is missing 13 Operation lamp...

Страница 160: ...stment buttons It changes the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY CO...

Страница 161: ...Instruction SiEBE18 526 150 System Configuration FTXS20 25 35C ON OFF 1 3 4 5 6 7 9 10 11 2 14 15 16 8 12 13 Names of parts Indoor Unit...

Страница 162: ...switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table This switch is useful when the remote control is missing 13 Operation lamp g...

Страница 163: ...r HOME LEAVE operation 4 POWERFUL button for POWERFUL operation 5 TEMPERATURE adjustment buttons It changes the temperature setting 6 ON OFF button Press this button once to start operation Press once...

Страница 164: ...SiEBE18 526 Instruction System Configuration 153 FTXS50 60 71B 7 14 11 12 13 4 3 15 1 2 9 10 8 6 5 17 16 Names of parts Indoor Unit The illustration shows a 50 class unit Main unit control panel...

Страница 165: ...door Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refer to the following table This switch is useful when the remote control is missing 15...

Страница 166: ...L button for POWERFUL operation 5 TEMPERATURE adjustment buttons It changes the temperature of time setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE...

Страница 167: ...Instruction SiEBE18 526 156 System Configuration FDXS25 35C CDXS50 60C 3 6 8 9 10 7 1 4 5 2 Names of parts Indoor Unit...

Страница 168: ...emperature around the unit 7 Operation lamp green 8 TIMER lamp yellow 9 HOME LEAVE lamp red LIghts up when you use HOME LEAVE operation 10 Indoor Unit ON OFF switch Push this switch once to start oper...

Страница 169: ...3 HOME LEAVE button for HOME LEAVE operation 4 POWERFUL button for POWERFUL operation 5 TEMPERATURE adjustment buttons It changes the temperature setting 6 ON OFF button Press this button once to star...

Страница 170: ...d either to the ceiling or to a wall The descriptions contained in this manual show the case when installation is being carried out to the ceiling The methods of operation used are the same when insta...

Страница 171: ...FF switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following table Push the switch using an object with a sharp tip such as a pen This switc...

Страница 172: ...nation 3 HOME LEAVE button for HOME LEAVE operation 4 POWERFUL button for POWERFUL operation 5 TEMPERATURE adjustment buttons It changes the temperature setting 6 ON OFF button Press this button once...

Страница 173: ...ting blows air from upper outlet only This setting automatically decides a blow pattern depending on mode and conditions This setting is recommended The unit is shipped from the factory with this sett...

Страница 174: ...Push once again to stop it The operation mode refers to the following table This switch is useful when the remote control is missing 13 Signal receiver Signals are received from the remote control Wh...

Страница 175: ...ME LEAVE button for HOME LEAVE operation 4 POWERFUL button for POWERFUL operation 5 TEMPERATURE adjustment buttons It changes the temperature setting 6 ON OFF button Press this button once to start op...

Страница 176: ...atteries use batteries of the same type and replace the two old batteries together When the system is not used for a long time take the batteries out We recommend replacing once a year although if the...

Страница 177: ...der on the wall 1 Choose a place from where the signals reach the unit 2 Fix the holder to a wall a pillar or similar location with the screws procured locally 3 Place the remote control in the remote...

Страница 178: ...not going to use the air conditioner for a long period for example in spring or autumn turn the breaker OFF Use the air conditioner in the following conditions Operation outside this humidity or tempe...

Страница 179: ...ration mode To start operation 1 Press MODE selector button and select a operation mode Each pressing of the button advances the mode setting in sequence AUTO DRY COOL HEAT FAN FTKS FTXS 2 Press ON OF...

Страница 180: ...parts of the room After the start of heating operation it takes some time before the room gets warmer In heating operation frost may occur on the outdoor unit and lower the heating capacity In that ca...

Страница 181: ...ton 2 When the flaps have reached the desired position press SWING button once more The display will go blank The flaps will stop moving is displayed on the LCD and the flaps will begin to swing To ad...

Страница 182: ...on POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the same time Priority is given to POWERFUL operation Notes on flaps and louvers angles When SWING button is selected the flaps sw...

Страница 183: ...2 Adjusting the Air Flow Direction You can adjust the air flow direction to increase your comfort To adjust the horizontal blades flaps 1 Press SWING button 2 When the flaps have reached the desired...

Страница 184: ...range depends on the operation mode See the figure ATTENTION Always use a remote control to adjust the flaps angle If you attempt to move it forcibly with hand when it is swinging the mechanism may be...

Страница 185: ...direction to increase your comfort To adjust the horizontal blade flap 1 Press SWING button 2 When the flap has reached the desired position press SWING button once more The flap will stop moving is...

Страница 186: ...ing range depends on the operation mode See the figure Three Dimensional 3 D Airflow Using three dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air...

Страница 187: ...2 Adjusting the Air Flow Direction You can adjust the air flow direction to increase your comfort To adjust the horizontal blade flap 1 Press SWING button 2 When the flaps have reached the desired pos...

Страница 188: ...selected you should set the flap at a near horizontal angle in COOL or DRY mode to obtain the best performance In COOL or DRY mode if the flap is fixed at a downward position the flap automatically mo...

Страница 189: ...top moving The display will light up and the flaps will begin to swing To adjust the vertical blades louvres Hold the knob and move the louvre You will find a knob on the left side and the right side...

Страница 190: ...me into direct contact with people air is blown upper air outlet room temperature is equlised Air is blown from the upper and lower air outlets for high speed cooling during COOL mode and for filling...

Страница 191: ...en the system automatically operates again with the settings which were used before POWERFUL operation When using POWERFUL operation there are some functions which are not available NOTE Notes on POWE...

Страница 192: ...ENT button 2 Press SILENT button again NOTE Note on OUTDOOR UNIT SILENT operation If using a multi system this function will work only when the OUTDOOR UNIT SILENT operation is set on all operated ind...

Страница 193: ...OTE ECONO Operation can only be set when the unit is running Pressing the operation stop button causes the settings to be canceled and the disappears from the LCD ECONO operation is a function which e...

Страница 194: ...operation To set the temperature and air flow rate for HOME LEAVE operation When using HOME LEAVE operation for the first time please set the temperature and air flow rate for HOME LEAVE operation Re...

Страница 195: ...sleep Push the HOME LEAVE Operation button again and the air conditioner will adjust capacity to the set temperature for normal operation When you enter the living room in the morning the temperature...

Страница 196: ...tion INTELLIGENT EYE is the infrared sensor which detects the human movement To start INTELLIGENT EYE operation To cancel the INTELLIGENT EYE operation 1 Press SENSOR button 2 Press SENSOR button agai...

Страница 197: ...according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTE...

Страница 198: ...eration INTELLIGENT EYE is the infrared sensor which detects the human movement To start INTELLIGENT EYE operation 1 Press SENSOR button To cancel the INTELLIGENT EYE operation 2 Press SENSOR button a...

Страница 199: ...ow rate slightly in fan operation In FAN mode only CAUTION Do not place large objects near the sensor Also keep heating units or humidifiers outside the sensor s detection area This sensor can detect...

Страница 200: ...eration INTELLIGENT EYE is the infrared sensor which detects the human movement To start INTELLIGENT EYE operation 1 Press SENSOR button To cancel the INTELLIGENT EYE operation 2 Press SENSOR button a...

Страница 201: ...rding to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTELLIG...

Страница 202: ...y pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly The TIMER lamp lights up 3 Press OFF TIMER button again To canc...

Страница 203: ...either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press ON TIMER button again The TIMER lamp lights up To cancel ON TIMER ope...

Страница 204: ...om B room A room OUTDOOR UNIT SILENT Operation NIGHT QUIET Mode Available only for cooling operation NIGHT QUIET Mode requires initial programming during installation Please consult your retailer or d...

Страница 205: ...used In case of washing the panel with water dry it with cloth dry it up in the shade after washing Set the 2 keys of the front panel into the slots and push them in all the way Close the front panel...

Страница 206: ...ic Air Purifying Filter 1 Wash the air filters with water or clean them with vacuum cleaner If the dust does not come off easily wash them with neutral detergent thinned with lukewarm water then dry t...

Страница 207: ...g blocks the air inlets and the outlets of the indoor unit and the outdoor unit Check that the drain comes smoothly out of the drain hose during COOL or DRY operation If no drain water is seen water m...

Страница 208: ...ter dry it withcloth dry it up in the shade after washing 4 Attach the front grille Set the 3 keys of the front grille into the slots and push them in all the way Close the front grille slowly and pus...

Страница 209: ...ocatalytic deodorizing function gray 1 Wash the air filters with water or clean them with vacuum cleaner If the dust does not come off easily wash them with neutral detergent thinned with lukewarm wat...

Страница 210: ...on and start operation 2 After operation stops turn off the breaker for the room air conditioner 3 Clean the air filters and set them again 4 Take out batteries from the remote control When a multi ou...

Страница 211: ...with water dry it with cloth dry it up in the shade after washing 3 Clean the front grille 4 Attach the front grille Align the rotation dowels on the left and right of the front panel with the slots...

Страница 212: ...th water or clean them with vacuum cleaner If the dust does not come off easily wash them with neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean th...

Страница 213: ...n and select FAN operation Press ON OFF button and start operation 2 After operation stops turn off the breaker for the room air conditioner 3 Clean the air filters and set them again 4 Take out batte...

Страница 214: ...Cleaning the air filter Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water Do not use detergent or hot water to avoid filter shrinking or deformation After cle...

Страница 215: ...e suction grille is option Do not use water or air of 50 C or higher for cleaning air filters and outside panels Check Check that the base stand and other fittings of the outdoor unit are not decayed...

Страница 216: ...it up in the shade after washing 3 Close the front grille Push the grille at the 5 points indicated by Operation without air filters may result in troubles as dust will accumulate inside the indoor un...

Страница 217: ...1 Wash the air filters with water or clean them with vacuum cleaner If the dust does not come off easily wash them with neutral detergent thinned with lukewarm water then dry them up in the shade It...

Страница 218: ...g operation is not used at the other room befrore you use the fan operation NOTE Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 m...

Страница 219: ...in the shade after washing 4 Attach the front grille Insert the front grille into the grooves of the unit 3 places Attach the chain to the right inner side of the front grille Close the grille slowly...

Страница 220: ...ay 1 Wash the air filters with water or clean them with vacuum cleaner If the dust does not come off easily wash them with neutral detergent thinned with lukewarm water then dry them up in the shade I...

Страница 221: ...peration with dusty air filters lowers the cooling heating capacity and wastes energy Air is also prevented from flowing smoothly through the unit creating a noise Operation with dirty filters 1 canno...

Страница 222: ...as reached a certain temperature The system is taking away the frost on the outdoor unit You should wait for about 3 to 8 minutes In HEAT mode The frost on the outdoor unit melts into water or steam w...

Страница 223: ...o block the air inlet or the outlet of the indoor and the outdoor units Clean the air filters or take all obstacles away and turn the breaker OFF Then turn it ON again and try operating the air condit...

Страница 224: ...turn the breaker OFF for system protection Disposal requirements Your air conditioning product is marked with this symbol This means that electrical and electronic products shall not be mixed with uns...

Страница 225: ...OL OR FREEZE UP PROTECTOR FANMOTORFAULT FAULTY HEAT EXCHANGER TEMPERATURE SENSOR FAULTY SUCTION AIR TEMPERATURE SENSOR COOLING HEATING SWITCHING ERROR OL STARTED FAULTY COMPRESSOR START UP DC FAN MOTO...

Страница 226: ...RMALLY OFF ON FLASHING OFF IRRELEVANT GREEN RED LED ON OUTDOOR UNIT PCB 3MXS 3MKS 4MXS 4MKS series GREEN MICROCOMPUTER NORMAL LED A RED MALFUNCTION DETECTION DIAGNOSIS NORMAL CHECK INDOOR UNIT HIGH PR...

Страница 227: ...SiEBE18 526 216 System Configuration 2 3 Ceiling Mounted Cassette Type 1 1 3 4 2 TEST C hr hr TEST NOT AVAILABLE L H 2 10 11 3 1 4 5 6 7 8 14 15 16 17 18 19 20 21 22 12 9 13 a b c d e e f g h i k e f...

Страница 228: ...te controller controls one indoor unit system Confirm the following if your unit is of the following control system type Group control system One remote controller controls up to 16 indoor units All i...

Страница 229: ...mount of any leaked refrigerant dose not exceed the limiting concentration even when it leaks If the refrigerant leaks exceeding CAUTION Do not use the air conditioner for other purposes Do not use th...

Страница 230: ...temperature C The setting temperature range of the remote control is 16 C to 32 C The numerical value in a parenthesis shows the operation range of the model for Australia 4 INSTALLATION SITE Regardi...

Страница 231: ...ECTION ADJUST 11 12 13 14 15 16 17 18 19 20 21 22 DISPLAY TIME TO CLEAN AIR FILTER Refer to HOW TO CLEAN THE AIR FILTER DISPLAY DEFROST Refer to DEFROST OPERATION NON FUNCTIONING DISPLAY If that parti...

Страница 232: ...PERATION Regarding outside air temperature and heating capacity The heating capacity of the air conditioner declines as the outside air temperature falls In such a case use the air conditioner in comb...

Страница 233: ...urs The start and the stop time can be simulta neously programmed PROGRAMMING TIME TIMER ON OFF Press the PROGRAMMING TIME button and set the time for stopping or starting the system When this button...

Страница 234: ...an electric shock Be careful with a scaffold or stagingCaution must be exercised because of work at a high place HOW TO CLEAN THE AIR FILTER Clean the air filter when the display shows TIME TO CLEAN A...

Страница 235: ...condition It does not restart immediately because a safety device operates to prevent overload of the sys Directly apply the type of detergent used for cleaning ventilation fans or ovens wait 10 minut...

Страница 236: ...ation that corresponds to your system If the total capacity of operating indoor units exceeds the limit the indoor unit will assume the STANDBY state FAN and AIR FLOW DIREC TION will be left as set Th...

Страница 237: ...orm the model name and what the malfunction code indicates to your Daikin dealer II If the system does not properly operate except for the above mentioned case and none of the above mentioned malfunct...

Страница 238: ...526 Instruction System Configuration 227 2 4 Ceiling Suspended Type 1 1 3 4 2 C hr H 5 12 4 2 1 3 9 11 10 21 14 16 15 17 18 22 8 6 7 20 19 g e e f a k i h b d f e c j d d k C hr hr TEST TEST NOT AVAIL...

Страница 239: ...our dealer to move and reinstall the air conditioner Incomplete installation may result in a failure a water leakage electric shock and fire Do not use any fuse with improper capacity The use of a pie...

Страница 240: ...below 80 or below 80 or below 80 or below 80 or below DB DB DB DB DB DB DB DB DB DB DB 5 to 46 10 to 46 10 to 46 15 to 50 5 to 50 15 to 46 15 to 46 15 to 46 5 to 46 5 to 46 5 to 46 OUTDOOR UNIT INDOO...

Страница 241: ...will start Press the button again and the system will stop OPERATION LAMP RED The lamp lights up during operation DISPLAY UNDER CENTRAL IZED CONTROL When this display shows the system is UNDER CENTRAL...

Страница 242: ...emperature decrease Micro computer automatically determines TEMPERATURE and FAN SPEED This system does not go into operation if the room temperature is below 16 C Refer to figure 3 on page 1 For cooli...

Страница 243: ...ails Press the AIR FLOW DIRECTION ADJUST button to select the air direction as follow ing The AIR FLOW FLAP display swings as shown the left and the air flow direction continu ously varies Automatic s...

Страница 244: ...procedure ends The display or changes from flashing light to a constant light Refer to figure 4 on page 1 7 OPTIMUM OPERATION Observe the following precautions to ensure the system operates Adjust the...

Страница 245: ...extremely contaminated If the dirt becomes impossible to clean change the air filter Air filter for exchange is optional 1 Open the suction grille Slide both knobs simultaneously as shown and then pu...

Страница 246: ...oken wire somewhere Contact your dealer if there are any problems Clean the air filter and outside panels After cleaning the air filter make sure to attach it Turn on the main power supply switch The...

Страница 247: ...ng the unit may go into dry mode fan operates whisper and the air flow flaps become horizontal III THE FAN SPEED IS DIFFERENT FROM THE SETTING Pressing the fan speed control button does not change the...

Страница 248: ...cept for the above mentioned case and none of the above mentioned malfunctions is evident investigate the system according to the following procedures 1 If the system does not operate at all Check if...

Страница 249: ...Instruction SiEBE18 526 238 System Configuration...

Страница 250: ...Shutter Limit Switch Abnormality 264 4 6 Check 265 5 Troubleshooting for SkyAir Indoor Unit 268 5 1 Indoor Unit PCB Abnormality 268 5 2 Malfunction of Drain Water Level System Float Type 269 5 3 Malf...

Страница 251: ...5 Malfunction of Inverter Radiating Fin Temperature Rise 308 7 16 Inverter Compressor Abnormal 309 7 17 Inverter Current Abnormal 310 7 18 Inverter Start up Error 311 7 19 Malfunction of Transmission...

Страница 252: ...n either case conduct the diagnostic procedure described in the following pages Location of Operation Lamp In case of In case of FTXS 20 25 35 D Series FTXS 20 25 35 C Series CTXS50 D Series In case o...

Страница 253: ...ay blinks entering INSPECTION mode 2 In the INSPECTION mode when the ON OFF button is pushed and held for 5 seconds or more the aforementioned malfunctioning history display is off In this case after...

Страница 254: ...pment condition and the OFF condition of the orange LED indicates normal equipment condition Troubleshooting with the green LED The LED A green of the outdoor unit indicate microcomputer operation con...

Страница 255: ...ectronic expansion valve abnormality Note 1 Notes 3P058760C If LED A is off The branch provider unit PCB is faulty If LED A is flashing The indoor unit PCB is faulty Turn the reconnect line 2 of all i...

Страница 256: ...two consecutive beeps indicate non corresponding codes 2 To cancel the code display hold the timer cancel button down for 5 seconds The code display also cancels itself if the button is not pressed f...

Страница 257: ...Press the TEMP button Press TEMPs or TEMPt and change the digit until you hear the sound of beep or pi pi 3 Diagnose by the sound H pi The number of tens does not accord with the error code H pi pi T...

Страница 258: ...MODE button Error Code List in Relation to RA Indoor Units Not used for troubleshooting R4277 R4278 Indication on the remote controller Description of the Fault Details of fault Refer to the indicate...

Страница 259: ...rvice mode Normal mode Local setting mode Inspection mode Test operation mode Press Inspection Test Operation button once Depress Inspection Test Operation button for more than 4 seconds Following cod...

Страница 260: ...and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered The malfunction code enables you to tell what kind of ma...

Страница 261: ...tep 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirmed Continuous beep No abnormality 3 Press the MODE selector button The left 0 upper digit indication...

Страница 262: ...mal status 3 Press MODE selector button When MODE selector button is pressed or no button is pressed for 1 minute equipment returns to normal status If no button is pressed for 1 minute equipment retu...

Страница 263: ...its connected to this system 284 Indoor Unit LED Display H1P Remote Controller Display Location of Malfunction Contents of Malfunction Details of Malfunction Reference Page Other than PC Board PC Boar...

Страница 264: ...combination of inverter and fan driver Gas shortage alarm Insufficient inverter voltage Inverter open phase phase T Charging error of capacitor in inverter main circuit Over voltage Over current Over...

Страница 265: ...8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7...

Страница 266: ...utdoor Unit E1 PC board defect E2 PROM defect 294 E2 Faulty BP unit PCB 288 E3 Actuation of high pressure switch 295 E4 Actuation of low pressure switch 296 E5 Compressor motor lock 297 E6 Standard co...

Страница 267: ...and BP units 290 U5 Malfunction of transmission between remote controller and indoor unit 282 U5 Failure of remote controller PC board or setting during control by remote controller U7 Malfunction of...

Страница 268: ...aulty connector connection Troubleshooting Note Connector Nos vary depending on models Control connector Connector connection check note YES Is it normal NO Correct connections Replace PCBs R1400 Caut...

Страница 269: ...operation according to the temperature detected by the indoor unit heat exchanger thermistor Malfunction Decision Conditions High pressure control During heating operations the temperature detected b...

Страница 270: ...dust accumulation on the indoor unit heat exchanger YES YES Is there any short circuit Is it very dirty Is it very dirty Does it conform to the thermistor characteristic chart NO Provide sufficient a...

Страница 271: ...tor of the fan motor Detection error due to faulty control PCB Troubleshooting Check No 16 Refer to P 267 Rotate the fan by hand Check No 16 Check Hall IC Operate the fan Does it rotate NO Does it rot...

Страница 272: ...mine abnormal fan motor operation Malfunction Decision Conditions When the detected rotation speed is less than 50 of the H tap under maximum fan motor rotation demand Supposed Causes Operation halt d...

Страница 273: ...Check output of fan motor connector Is motor power voltage DC 200V generated Is motor control power voltage DC 15V generated Turn off power supply and disconnect fan motor connector then turn power ON...

Страница 274: ...less than 120 ohms or below about 50 C more than 1 860 kohms Note The values vary slightly in some models Supposed Causes Faulty connector connection Faulty thermistor Faulty PCB Troubleshooting Check...

Страница 275: ...by broken relay harness or disconnected connector Detection error due to defective PCB 2 Foreign substance in blow port Troubleshooting Check No 03 Refer to P 265 Turn off the power Check No 03 Check...

Страница 276: ...an assembly Check the continuity of the switch connection The shutter can be opened and closed with hand Keep the shutter open and closed all the way for each continuity check steps S1 or S301 S302 R4...

Страница 277: ...ure the resistance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20k B 3950 Temperature C 20 211...

Страница 278: ...o 16 1 Check 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...

Страница 279: ...ditions When data could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Failure of PCB Tr...

Страница 280: ...le Models FFQ B FHQ BU Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the float switch goes OFF Supposed...

Страница 281: ...raising mechanism connected YES YES YES Does display of malfunction A3 appear YES YES 220 240 VAC YES NO Continuity check of short circuit connector Set to emergency and check the voltage of X25A If...

Страница 282: ...at switch Check to see if drain up height and horizontal pipe length exceed specifications Clogged drain water discharge system Clogged drain pump Faulty float switch Replace indoor unit PCB Check jum...

Страница 283: ...even when output voltage to the fan is maximum Supposed Causes Failure of indoor unit fan motor Broken or disconnected wire Failure of contact Failure of indoor unit PCB Troubleshooting With X26A unpl...

Страница 284: ...om the fan motor Malfunction Decision Conditions When fan speed does not increase Supposed Causes Disconnection short circuit or disengagement of connector in fan motor harness Faulty fan motor discon...

Страница 285: ...nit PCB Turn off the power supply Check for the fan motor connector Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Q0414 Does the resis...

Страница 286: ...ction Detection Utilizes ON OFF of the limit switch when the motor turns Malfunction Decision Conditions When ON OFF of the microswitch for positioning cannot be reversed even though the swing flap mo...

Страница 287: ...connected Does the swing flap motor swing Are the connectors correctly connected to X29A and X14A on the PC board NO YES YES NO YES Does continuity no continuity reverse YES 220 240 VAC NO NO YES NO T...

Страница 288: ...acity setting adaptor that matches the capacity of the unit is required in the following case If the indoor PCB installed at the factory is for some reason changed at the installation site the capacit...

Страница 289: ...e of the sensor itself Broken or disconnected wire Failure of electronic circuitry indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 286 Disconnect the heat exchanger...

Страница 290: ...e of the sensor itself Broken or disconnected wire Failure of electronic circuitry indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 286 Disconnect the heat exchange...

Страница 291: ...uses Failure of the sensor itself Broken or disconnected wire Failure of indoor unit PCB Failure of connector contact Troubleshooting Check No 02 Refer to P 286 Disconnect the sunction air temperature...

Страница 292: ...mistor Malfunction Decision Conditions When the remote controller thermistor becomes disconnected or shorted while the unit is running Supposed Causes Failure of sensor itself Broken wire Troubleshoot...

Страница 293: ...urn off the power supply temporarily then restart operation Indoor unit PCB replacement Malfunction could be produced by noise Check the surrounding area and restart operation Change to double core in...

Страница 294: ...ror between Main remote controller and Sub remote controller Connection among Sub remote controllers Faulty remote controller PCB Troubleshooting Turn the SS 1switch of one remote control to Main Turn...

Страница 295: ...or unit Could be incorrect wiring Check again Replace the indoor unit PCB Connect the remote control correctly Are wirings between indoor and BP unit correctly connected Is 220 240 VAC between No 1 an...

Страница 296: ...wer Supply Line 1 Turn the power supply off With the relay connector disconnected measure the resistance between UVW phases of the connector 3 cores at the motor side then make sure that the resistanc...

Страница 297: ...8 57 8 4 0 54 1 52 3 6 0 48 9 47 3 8 0 44 3 42 9 10 0 40 2 38 9 12 0 36 5 35 3 14 0 33 2 32 1 16 0 30 2 29 2 18 0 27 5 26 6 20 0 25 1 24 3 22 0 23 0 22 2 24 0 21 0 20 3 26 0 19 2 18 5 28 0 17 6 17 0 3...

Страница 298: ...ion valve Incorrect connectors connection of electronic expansion valve Troubleshooting Turn the power supply off once and then back on Keep using as it is Could be outside error other than malfunctio...

Страница 299: ...from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of BP unit PCB Troubleshooting Turn off the power once and...

Страница 300: ...P liquid or gas pipe temperature sensor Troubleshooting Temp Resistance 10 C 117k 0 C 67k 10 C 40k 20 C 25k 30 C 16k 40 C 10k 50 C 7k 60 C 5k 70 C 3k Replace thermistor or thermistor assembly If insuf...

Страница 301: ...Malfunction Decision Conditions When the data sent from the BP unit cannot be received normally or when the content of the data is abnormal Supposed Causes Faulty BP unit PCB Faulty indoor unit PCB In...

Страница 302: ...ltage of the indoor unit outdoor unit connection wires between No 1 and No 2 and between No 2 and No 3 YES YES NO Is there any disturbance NO Push and hold the RESET button on the outdoor unit PCB for...

Страница 303: ...er supply wave Troubleshooting Check No 14 Refer to P 293 Turn the power supply off YES Check the transmission wire and the connection orders Replace outdoor unit control PCB Is it normal NO Check the...

Страница 304: ...Check Check No 14 Measure the power supply waveform between pins 1 and 3 on the terminal board and check the waveform disturbance Check to see if the power supply waveform is a sine wave Fig 1 Check...

Страница 305: ...could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defect of outdoor unit PCB A1P Tro...

Страница 306: ...unit PCB Instantaneous power failure Faulty high pressure sensor Troubleshooting H1 Actuation of high pressure switch HPS Is the outdoor unit heat exchanger dirty Defect of outdoor fan Is the refriger...

Страница 307: ...racteristics table on P328 Q0423 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is the malfunction due to abnormal drop of low pressure...

Страница 308: ...d Supposed Causes Compressor lock High differential pressure 0 5MPa or more Incorrect UVWN wiring Faulty inverter PCB Stop valve is left in closed Troubleshooting Check the installation conditions Is...

Страница 309: ...onnector between fan motor and PCB is left in disconnected or faulty connector Fan does not run due to foreign matters tangled Clearing condition Operate for 5 minutes normal Troubleshooting Connector...

Страница 310: ...lve from the PCB and check the continuity between the connector pins Normal condition Continuity Approx 300 Continuity Approx 150 No continuity Q0426 YES Caution Be sure to turn off power switch befor...

Страница 311: ...ge pipe temperature rises suddenly Supposed Causes Faulty discharge pipe temperature Faulty connection of discharge pipe thermistor Faulty outdoor unit PCB Troubleshooting Refer to thermistor resistan...

Страница 312: ...efect of thermistor R1T for outdoor air Defect of outdoor unit PCB A1P Troubleshooting The alarm indicator is displayed when the fan only is being used also Refer to thermistor resistance temperature...

Страница 313: ...erature thermistor is detected Supposed Causes Defect of thermistor R3T for outdoor unit discharge pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature charac...

Страница 314: ...emperature thermistor is detected Supposed Causes Defect of thermistor R2T for outdoor unit suction pipe Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature chara...

Страница 315: ...change thermistor is detected Supposed Causes Defect of thermistor R4T for outdoor unit heat exchanger Defect of outdoor unit PCB A1P Troubleshooting Refer to thermistor resistance temperature charact...

Страница 316: ...thermistor is short circuited or open Supposed Causes Faulty receiver gas pipe thermistor R5T Faulty outdoor unit PCB Troubleshooting Refer to thermistor resistance temperature characteristics table o...

Страница 317: ...PCB Troubleshooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P328 Q0432 Caution Be sure to turn off power switch before connect or disconnect c...

Страница 318: ...hooting 1 Voltage measurement point 2 Refer to pressure sensor pressure voltage characteristics table on P328 Q0434 Caution Be sure to turn off power switch before connect or disconnect connector or p...

Страница 319: ...s above 99 C Defect of inverter PCB Defect of fin thermistor Troubleshooting Refer to thermistor resistance temperature characteristics table on P326 Q0436 Resistance check of the radiator fin thermis...

Страница 320: ...ual is displayed when the inverter output voltage is checked by tester V2812 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Compressor...

Страница 321: ...Output current check Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is stable Compressor overload Inspection of the compresso...

Страница 322: ...h before connect or disconnect connector or parts damage may be occurred Inverter output voltage check Inverter output voltage is not balanced Normal if within 5V Must be measured when frequency is st...

Страница 323: ...function Detection Check the communication state between inverter PCB and control PCB by micro computer Malfunction Decision Conditions When the correct communication is not conducted in certain perio...

Страница 324: ...transmission wiring and turn on again NO YES The voltage between red and white of X1A on the inverter unit is the power supply voltage Check the noise filter Z1F for disconnection and check the power...

Страница 325: ...or short circuited status Malfunction is not decided while the unit operation is continued P4 will be displayed by pressing the inspection button Supposed Causes Defect of radiator fin temperature sen...

Страница 326: ...ions When the communication data about inverter PCB type is incorrect Supposed Causes Mismatching of inverter PCB Faulty field setting Troubleshooting Refer to Field Setting from Outdoor Unit on P112...

Страница 327: ...Defect of pressure sensor Defect of outdoor unit PCB A1P Troubleshooting Q0387 Ts Te 20 C Resistance is normal when measured with the suction pipe thermistor R2T and coil thermistor R4T disconnected...

Страница 328: ...U2 Applicable Models AII outdoor unit models Method of Malfunction Detection Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Decision Conditio...

Страница 329: ...PCB Does the voltage between terminals P and N gradually rise to 283VDC after turning on The voltage between the P and N terminals is 400VDC and 190VDC or more when the compressor is running NO Is the...

Страница 330: ...ions Malfunction is decided when the unit starts operation without check operation Supposed Causes Check operation is not executed Troubleshooting Q0443 Has the check operation performed on Outdoor un...

Страница 331: ...lfunction of electronic expansion valve in other BP unit Defect of PCB of other indoor unit or other BP unit Troubleshooting Caution Be sure to turn off power switch before connect or disconnect conne...

Страница 332: ...r PCB was not conducted after replacing to spare parts PCB Troubleshooting The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit Caution...

Страница 333: ...hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour Caution Be sure to turn off power switch before connect or disconnect connector or part...

Страница 334: ...389 NO YES YES After fixing incorrect wiring push and hold the RESET button on the outdoor unit PCB for 5 seconds Normal NO Is electricity being introduce for the first time after installationor after...

Страница 335: ...r or relay connector is disconnected Check No 09 Check for Fan Motor Connector Signal Line 1 Turn the power supply off 2 With the fan motor connector disconnected measure the resistance between each p...

Страница 336: ...t the contact terminal on the harness side with the connector connected 6 Disconnect the connector X207A with the power supply OFF and Operation OFF 7 Is the voltage between pins 4 and 3 of X207A abou...

Страница 337: ...5 49 83 25 45 8 71 8 54 4 81 08 78 97 46 8 37 8 21 3 76 93 74 94 47 8 05 7 90 2 73 01 71 14 48 7 75 7 60 1 69 32 67 56 49 7 46 7 31 0 65 84 64 17 50 7 18 7 04 1 62 54 60 96 51 6 91 6 78 2 59 43 57 94...

Страница 338: ...233 14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61...

Страница 339: ...re Low Side MPa VH Output Voltage High Side VDC VL Output Voltage Low Side VDC PH 1 38V 0 69 PL 0 57V 0 28 PH High pressure MPa VL Low pressure MPa V Voltage V Output Voltage VH VL Detected Pressure V...

Страница 340: ...330 1 1 Removal of Outer Panels 330 1 2 Removal of PCB 337 1 3 Removal of Solenoid Valve Four Way Valve and Motorized Valve 348 1 4 Removal of Thermistor Assembly 349 1 5 Removal of Fan Motor 350 2 B...

Страница 341: ...emoval of Outer Panels Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Appearance Top panel Front panel Pipe...

Страница 342: ...he rear protective net 1 Undo the three top hooks first Bend the rear protective net slightly for easy removal 2 Next undo the four right side hooks See the figure at bottom 3 Remove the rear protecti...

Страница 343: ...Outdoor Unit SiEBE18 526 332 Removal Procedure 3 Removing the top panel 1 Remove the eight screws 2 Lift and remove the top panel Step Procedure Points Q0451 Q0452...

Страница 344: ...oval Procedure 333 4 Removing the front panel 1 Remove the screw 2 Pull the front panel toward yourself 3 There are six hooks on the front panel Slide the front panel downward to remove it Step Proced...

Страница 345: ...34 Removal Procedure 5 Removing the pipe cover 1 Remove the screw 2 Pull the pipe cover toward yourself 3 There are three hooks on the pipe cover Slide the pipe cover upward to remove it Step Procedur...

Страница 346: ...5 6 Right side panel 1 Remove the six screws off the panel s front 2 Remove the three screws off the panel s back and the two screws off the panel s side 3 Remove the right side panel Step Procedure P...

Страница 347: ...the outdoor air thermistor 1 Disconnect the outdoor air thermistor holder Unhook the holder from inside of the right side panel for easy removal 2 The figure shows the state after disconnection Step P...

Страница 348: ...ore after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the control PCB 1 Detach the two top locking guard spacers 2 Remove the drip proof cover 3 Disconnec...

Страница 349: ...n X28A Electronic expansion valve Sub cool X34A Discharge pipe thermistor X37A Heat exchanger thermistor X44 Air thermistor X45A Pressure sensor Low X46A Pressure sensor High 5 Detach the sixteen lock...

Страница 350: ...the mounting plate 4 Disconnect the connectors from the power filter PCB and cut off the TYRAP fixtures Ground Power terminals NA white LA red X1A black The TYRAP fixture is to be kept in stock 5 Lif...

Страница 351: ...YRAP fixture is to be kept in stock 2 Tilt up the compressor s sound proof cover Using long nose pliers pull out the following U Red V White W Blue N Brown 3 Remove the terminal cover 4 Disconnect the...

Страница 352: ...SiEBE18 526 Outdoor Unit Removal Procedure 341 5 Release the compressor lead out of the groove 6 Remove the two TYRAP fixtures Cut off with nippers Step Procedure Points Q0474 Q0475...

Страница 353: ...val Procedure 7 Remove the screws of the reactor leads 8 Remove the screw 9 The power filter PCB is provided with two hooks Slide the PCB to the right to unhook it Step Procedure Points Screws Q0476 S...

Страница 354: ...moving the electrical assembly 1 Remove the TYRAP fixture Cut off with nippers The TYRAP fixture is to be kept in stock 2 Lift the electrical assembly to unhook it Step Procedure Points Q0479 Hooks Ho...

Страница 355: ...Outdoor Unit SiEBE18 526 344 Removal Procedure 3 Disconnect the fan motor relay connector pcs Red and white Step Procedure Points Q0481 Q0482...

Страница 356: ...nector White 5 Remove the TYRAP fixture and unbind the leads Cut off with nippers The TYRAP fixture is to be kept in stock 6 Remove the TYRAP fixture reactor lead Cut off with nippers 7 Remove the scr...

Страница 357: ...ector X206A Red Connector X207A White 5 Removing the inverter PCB 1 Separate the power filter PCB mounting plate from the electrical assembly There are two hooks Slide the plate to unhook it 2 Remove...

Страница 358: ...tdoor Unit Removal Procedure 347 3 Remove the screw and detach the inverter PCB 4 There are two hooks at the far side condenser side When reassembling catch these hooks first Step Procedure Points Q04...

Страница 359: ...rning off all power supplies before disassembling work Step Procedure Points 1 Removing the solenoid valve coil motorized valve coil and four way valve coil 1 Remove the solenoid valve and four way va...

Страница 360: ...minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the thermistors 1 Remove the under cool thermistor 2 Remove the suction pipe thermistor...

Страница 361: ...an Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Removing the front cover 1 Remove the seven screws...

Страница 362: ...Outdoor Unit Removal Procedure 351 2 Removing the propeller fan 1 Remove the nut and detach the propeller fan 2 Disconnect the fan motor lead s relay connector Step Procedure Points Q0497 Q0498 Relay...

Страница 363: ...sembling make sure the lead wires are fastened by the fixtures 4 Remove the four screws and take out the fan motor Remove the two bottom screws first If the top two screws are removed first the fan mo...

Страница 364: ...e four screws from the electrical box cover Detach the cover 2 The PCB is as shown at right Disconnect all the relay cables The PCB is coated resistant to moisture This means that the fuse and varisto...

Страница 365: ...354 Removal Procedure 3 Disconnect the solenoid valve connector and the thermistor connector 4 Remove the screw off the wire harness band 5 Remove the screw off the grounding lug Step Procedure Point...

Страница 366: ...SiEBE18 526 BP Unit Removal Procedure 355 6 Disconnect the Faston terminal of the grounding cable 7 Remove the two screws and take out the PCB Step Procedure Points Q0507 Q0508...

Страница 367: ...disassembling work Step Procedure Points 1 Removing the PCB Preparations Take the steps for removing the PCB Press the fixture between your fingers to unhook 1 Remove the legged TYRAP fixture from th...

Страница 368: ...aling compound 1 of the pipe insulation sleeves The sealing compound 1 is a servicing part 5 Remove the putty 6 Cut off the TYRAP fixture The TYRAP fixture is to be kept in stock Step Procedure Points...

Страница 369: ...BP Unit SiEBE18 526 358 Removal Procedure The TYRAP fixture is to be kept in stock Step Procedure Points TYRAP fixtures Q0516...

Страница 370: ...BE18 526 Appendix 359 Part 10 Appendix 1 Piping Diagrams 360 1 1 Outdoor Units 360 1 2 BP Units 361 1 3 Indoor Units 362 2 Wiring Diagrams 367 2 1 Outdoor Units 367 2 2 BP Units 368 2 3 Indoor Units 3...

Страница 371: ...V Compressor Filter HPS Receiver Filter Filter Heat exchanger Service port 3D048787A SV Four way valve High pressure sensor Pressure regulating valve Solenoid valve Capillary tube Low pressure sensor...

Страница 372: ...D SIDE THERMISTOR DLB ROOM A 15 9CuT ROOM B 15 9CuT ROOM A 6 4CuT ROOM B 6 4CuT 3D048286 REFRIGERANT FLOW HEATING COOLING FILTER FILTER EVH EV EV EVA B C FILTER FILTER FILTER INDOOR UNIT INDOOR UNIT G...

Страница 373: ...HEAT EXCH M 4D047913A FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT 7 9CuT MAFFLER ASSY CROSS FLOW FAN FAN MOTOR INDOOR UNIT 6 4CuT 7 0CuT 9 5CuT HEAT EXCHANGER REFRIGERANT FLOW HEATING COOLING 6 4CuT 6 4C...

Страница 374: ...HANGER REFRIGERANT FLOW COOLING HEATING 4D040082H THERMISTOR ON HEAT EXCH 4D045449B INDOOR UNIT SIROCCO FAN 6 4CuT CuT FAN MOTOR M REFRIGERANT FLOW HEAT EXCHANGER COOLING HEATING CDKS35CVMB CDXS25CVMA...

Страница 375: ...DOOR UNIT 6 4CuT SIROCCO FAN 9 5CuT FAN MOTOR M 4D048722 HEAT EXCHANGER THERMISTOR ON HEAT EXCH FIELD PIPING 6 4CuT FIELD PIPING 9 5CuT REFRIGERANT FLOW COOLING HEATING REFRIGERANT FLOW HEATING COOLIN...

Страница 376: ...OOR UNIT 7 9CuT CROSS FLOW FAN CROSS FLOW FAN COOLING HEATING FAN MOTOR FAN MOTOR 9 5CuT M M HEAT EXCHANGER 7 0CuT 7 0CuT 4D034714B THERMISTOR ON HEAT EXCH FIELD PIPING FIELD PIPING 12 7CuT 6 4CuT REF...

Страница 377: ...eld piping C1220T O Indoor unit Indoor heat exchanger C 4D039335 To Outdoor unit Indoor heat exchanger 6 4 6 4 9 5 12 7 15 9 9 5 4D037995E Indoor unit MODEL FUQ71 100 125BUV1B FHQ71 100 125BUV1B FAQ71...

Страница 378: ...E FILTER ELECTRONIC EXPANSION VALVE SUB COOL ELECTRONIC EXPANSION VALVE MAIN FUSE 6 3A 250V PRINTED CIRCUIT BOARD MAIN PRINTED CIRCUIT BOARD INV MAGNETIC CONTACTOR M1C MAGNETIC RELAY K1M DIP SWITCH CA...

Страница 379: ...M TERMINAL STRIP F2U FUSE DS2 DIP SWITCH Y1E Y3E MOTOR OPERATED VALVE COIL 3D048565A FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 2 3 2 2 3 3 1 1 1 3 4 2 1 DS2 H2P H3P H4P H5P H1P E1 LEDA LED2 L...

Страница 380: ...TOR M1S SWING MOTOR PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S1 S38 CONNECTOR S1W OPERATION SWITCH X1M TERMINAL STRIP L1 COIL PROTECTIVE EARTH INTELLIGENT EYE SENSOR SIGNAL RECEIVER TRANSMIS...

Страница 381: ...OMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN TRANSMISSION CIRCUIT SIGNAL RECEIVER INTELLIGENT EYE SENSOR 3D038530J PCB4 PCB3 PCB5 LED1 H1P R1T t S37 S38 LED2 H2P LED3 H3P P...

Страница 382: ...ISTOR S1 S32 RTH1 CONNECTOR S1W OPERATION SWITCH V1TR PHASE CONTROL CIRCUIT X1M TERMINAL BLOCK Z1C NOISE FILTER FERRITE CORE TRANSMISSION CIRCUIT TERMINAL FOR CENTRALIZED CONTROL SIGNAL RECEIVER INFRA...

Страница 383: ...B1 M M FG GRN WHT BLK RED YLW X1M 2 3 1 FIELD WIRING 3 2 1 outdoor 3D034713B INFRARED REMOTE CONTROL SIGNAL RECEIVER TRANSMISSION CIRCUIT M1F UPPER FAN MOTOR M2F LOWER FAN MOTOR PROTECTIVE EARTH FU FU...

Страница 384: ...F2 P2 F1 P1 GRN NOTE 5 YLW C1 WHT NE X2M S1L T1R SS1 P2 MSW P1 M1S M1F C1 M R1T Q1M IN CASE OF SIMULTANEOUS OPERATION SYSTEM INDOOR UNIT MASTER INDOOR UNIT SLAVE REMOTE CONTROL TO OUTDOOR UNIT WIRED R...

Страница 385: ...X1M BLK RED P2 P1 NOTE 6 T1R X2M YLW C1 3D037842C WHT S1Q MSW M1F M1S M SS1 P2 P1 Q1M R1T WIRED REMOTE CONTROL CONNECTER DISCRIMINATION COLOUR FOR COMPONENTS CONNECTER COLOUR FOR COMPONENTS CONNECTER...

Страница 386: ...4 fan motor connector output check 265 285 Hall IC check 267 limit switch continuity check 265 power supply waveforms check 267 293 thermistor resistance check 266 286 check for fan motor connector si...

Страница 387: ...otection control or high pressure control 258 FU 35 FU1 25 27 29 31 32 function outline 93 functional parts layout 47 functions 2 fuse 25 27 29 31 35 G GND 23 H H1P 20 24 H2P 24 H3P 24 H4P 24 H5P 24 H...

Страница 388: ...ng fin temperature rise sensor 314 malfunction of low pressure sensor 307 malfunction of moving part of electronic expansion valve 299 malfunction of outdoor unit fan motor 298 malfunction of receiver...

Страница 389: ...hbutton switches 113 SH control in cooling operation 78 shutter drive motor shutter limit switch abnormality 264 signal receiver PCB 26 28 30 34 37 signal receiving sign 91 solenoid valve 348 solenoid...

Страница 390: ...X18A 38 40 X19A 38 40 X1A 20 23 X1M 20 X205A 22 X206A 22 X207A 22 X20A 24 38 40 X21A 24 X23A 24 X24A 38 40 X25A 20 38 40 X26A 20 40 X27A 38 40 X28A 20 X29A 40 X2A 20 X33A 38 40 X34A 20 X35A 38 40 X36A...

Страница 391: ...A3P 23 freeze up protection control 72 95 freeze up protection control or high pressure control 258 full closing of motorized valves 77 function outline 93 functional parts layout 47 H high pressure...

Страница 392: ...y operation function 101 programme dry function 82 R range of air flow direction setting 132 receiver setting 133 refrigerant circuit 44 refrigerant flow for each operation mode 48 refrigerant system...

Страница 393: ...VMW L 369 FDXS25 35CAVMB 371 FDXS25 35CVMB 371 FFQ25 35 50 60B7V1B 373 FHQ35 50 60BUV1B9 374 FLXS25 35 50 60BAVMB 371 FLXS25 35 50 60BVMB 371 FTXS20 25 35CAVMB 369 FTXS20 25 35CVMB 9 8 369 FTXS20 25 3...

Страница 394: ...with the European regulations that guarantee the safety of the product Zandvoordestraat 300 B 8400 Ostend Belgium www daikineurope com SiEBE18 526 10 2005 Prepared in Belgium by Lannoo Specifications...

Страница 395: ...2 5 DS1 3 DS1 4 BP Unit ON OFF Connect BP unit Not connect BP unit Do not change the factory setting Not Used...

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