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Daikin ARKH20CVMB7, Руководство по обслуживанию

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SiENBE04-512A

Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C

Removal Procedure

191

„

For quality improvement, the 
PCB is placed upside down.

„

Lead-free solder (PbF) is 
used for PCB. When 
replacing the PCB, use the 
specific solder and soldering 
iron.

„

Check the LED A through 
the slit. It can also be 
checked through the slit on 
the terminal side of the 
electrical component box 
after detaching the stop 
valve cover.

15

Dismount the PCB by 
removing the 2 screws.

„

The PCB can not be 
dismounted unless the 
radiation fin is removed.

„

Remove the 5 screws.

„

Washers are attached to the 
screws for the radiation fin.

16

Dismount the radiation 
fin by removing the 3 
screws.

„

Hold the radiation fan, which 
is located at the lower part, 
by hand and remove the 
screws.

Step

Procedure

Points

Vi

sua

l 

in

s

pection 

s

lit

(Green)
LED A

(R4451)

SiENBE04-512A.book  Page 191  Friday, October 5, 2007  1:49 PM

Содержание ARKH20CVMB7

Страница 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series ...

Страница 2: ...VMB7 RKH25CVMB7 ARKH25CVMB7 ARKS25CVMB 9 RN25CVMB7 RKH35CVMB7 ARKH35CVMB7 ARKS35CVMB 9 RN35CVMB7 ARKS20C2VMB ARKS25C2VMB ARKS35C2VMB zHeat Pump Indoor Unit FTXS20CVMB 9 ATXS20DVMB ATXS20CVMB 9 FTYN20CVMB9 FTXS25CVMB 9 8 ATXS25DVMB ATXS25CVMB 9 FTYN25CVMB9 FTXS35CVMB 9 8 ATXS35DVMB ATXS35CVMB 9 FTYN35CVMB9 ATXS20DAVMB ATXS25DAVMB ATXS35DAVMB Outdoor Unit RXH20CVMB7 ARXH20CVMB7 ARXS20CVMB 9 RYN20CVM...

Страница 3: ... Dual Flaps Wide Angle Louvres and Auto Swing 38 1 3 Fan Speed Control for Indoor Units 39 1 4 Programme Dry Function 40 1 5 Automatic Operation 41 1 6 NIGHT SET Mode 42 1 7 INTELLIGENT EYE 43 1 8 HOME LEAVE Operation 45 1 9 Inverter POWERFUL Operation 46 1 10 Other Functions 47 2 Function of Thermistor 48 2 1 Heat Pump Model 48 2 2 Cooling Only Model 49 3 Control Specification 50 3 1 Mode Hierarc...

Страница 4: ...101 4 1 Error Codes and Description 101 4 2 Indoor Unit PCB Abnormality 102 4 3 Freeze up Protection Control or High Pressure Control 103 4 4 Fan Motor AC Motor or Related Abnormality 105 4 5 Thermistor or Related Abnormality Indoor Unit 106 4 6 Signal Transmission Error between Indoor and Outdoor Unit 107 4 7 OL Activation Compressor Overload 108 4 8 Compressor Lock 109 4 9 DC Fan Lock 110 4 10 I...

Страница 5: ...73 2 5 Removal of Four Way Valve 175 2 6 Removal of Compressor 177 2 7 Removal of PCB 179 3 Outdoor Unit RK X H C ARK X H C R Y N C 182 3 1 Removal of External Panels 182 3 2 Removal of Bell Mouth 185 3 3 Removal of PCB 186 3 4 Removal of Electrical Box 194 3 5 Removal of Propeller Fan and Fan Motor 197 3 6 Removal of Compressor Sound Insulation Pad 200 3 7 Removal of Compressor 209 3 8 Removal of...

Страница 6: ...e 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 equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharg...

Страница 7: ... the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient stren...

Страница 8: ...not be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old bat...

Страница 9: ...ing 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 resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet...

Страница 10: ...SiENBE04 512A List of Functions 1 Part 1 List of Functions 1 List of Functions 2 1 1 High Grade Models 2 1 2 Standard Grade Models 4 1 3 Non lnverter Models 7 ...

Страница 11: ...iability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display H2 H2 Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Silent Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Outdoor Unit Silent Operation Manua...

Страница 12: ...uto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display H2 H2 Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Silent Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Outdoor Unit Silent Operation Manual Flexible Voltage Co...

Страница 13: ... Reliability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display H1 H1 Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Silent Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Outdoor Unit Silent Operation M...

Страница 14: ...eliability Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display H1 H1 Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Silent Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Outdoor Unit Silent Operation Man...

Страница 15: ...bility Durability Auto Restart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display H1 H1 Comfort Airflow Mode Wiring Error Check 3 Step Airflow H P Only Anticorrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Silent Operation Flexibility Multi Split Split Type Compatible Indoor Unit Night Quiet Mode Automatic Outdoor Unit Silent Operation Manual ...

Страница 16: ...bility Auto Restart after Power Failure Horizontal Auto Swing Right and Left Self Diagnosis Digital LED Display H H 3 D Airflow Wiring Error Check Comfort Airflow Mode Anticorrosion Treatment of Outdoor Heat Exchanger 3 Step Airflow H P Only Comfort Control Auto Fan Speed Flexibility Multi Split Split Type Compatible Indoor Unit Indoor Unit Silent Operation Night Quiet Mode Automatic Flexible Volt...

Страница 17: ...List of Functions SiENBE04 512A 8 List of Functions ...

Страница 18: ...SiENBE04 512A Specifications 9 Part 2 Specifications 1 Specifications 10 1 1 Cooling Only 10 1 2 Heat Pump 16 ...

Страница 19: ... Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 273 784 195 Packaged Dimensions H W D mm...

Страница 20: ...ilter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 273 784 195 Packaged Dimensions H W D mm 258 834 325 258 834 325 2...

Страница 21: ...ard Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 273 784 195 Packaged Dimen...

Страница 22: ...izontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 185 273 784 185 273 784 185 Packaged Dimensions H W D mm 258...

Страница 23: ... Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 273 784 195 Packaged Dimensions H W D mm 258 834 32...

Страница 24: ...able Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 Power Factor 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 185 273 784 185 273 784 185 Packaged Dimensions H W D mm 258 834 325 258 834 325 258 834 325 Weight kg 7 5 7 5 7 5 Gross Weight kg 11 ...

Страница 25: ...l Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 Packaged Dimensions H W D mm 258 834 3...

Страница 26: ... Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 195 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 23 39 34 29 26 Sound Power H dBA 57 57 Out...

Страница 27: ...zontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 Packaged Dimensions H W D mm 258 834 325 258 834 325 We...

Страница 28: ...n Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 195 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 23 39 34 29 26 Sound Power H dBA 57 57 Ou...

Страница 29: ...nt Auto Air Direction Control Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 Packaged D...

Страница 30: ... Auto Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 195 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 23 39 34 29 26 Sound Po...

Страница 31: ...tion Control Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 185 273 784 185 Packaged Dimensions H W D m...

Страница 32: ...o Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 185 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 23 39 34 29 26 Sound Power ...

Страница 33: ...Control Right Left Horizontal Downward Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 195 273 784 195 Packaged Dimensions H W D mm 258...

Страница 34: ...Air Direction Control Right Left Horizontal Downward Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 195 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 23 39 34 29 26 Sound Power H ...

Страница 35: ...vable Washable Mildew Proof Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 0 18 0 18 Power Consumption Rated W 40 40 40 40 Power Factor 96 6 96 6 96 6 96 6 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 273 784 185 273 784 185 Packaged Dimensions H W D mm 258 834 325 258 834 325 Weight kg 7 5 7 5 Gross Weight kg 11 11 Operation Sound H M L SL...

Страница 36: ...rd Air Filter Removable Washable Mildew Proof Running Current Rated A 0 18 0 18 Power Consumption Rated W 40 40 Power Factor 96 6 96 6 Temperature Control Microcomputer Control Dimensions H W D mm 273 784 185 Packaged Dimensions H W D mm 258 834 325 Weight kg 7 5 Gross Weight kg 11 Operation Sound H M L SL dBA 39 33 26 39 34 29 Sound Power H dBA 57 57 Outdoor Units RYN35CVMB7 Casing Color Ivory Wh...

Страница 37: ...Specifications SiENBE04 512A 28 Specifications ...

Страница 38: ...ard Connector Wiring Diagram 29 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Printed Circuit Board Connector Wiring Diagram 30 1 1 Indoor Unit 30 1 2 Outdoor Unit ARK X S C 32 1 3 Outdoor Unit RK X H C ARK X H C R Y N C 34 ...

Страница 39: ...ignal receiver PCB 6 S27 S36 Connector for control PCB 7 S32 Connector for heat exchanger thermistor 8 S35 Connector for INTELLIGENT EYE sensor PCB Inverter models only 1 V1 Varistor 2 JA Address setting jumper JB Fan speed setting when compressor is OFF on thermostat JC Power failure recovery function auto restart Refer to page 219 for detail 3 SW7 Forced operation ON OFF switch 4 LED1 LED for op...

Страница 40: ...ircuit Board Connector Wiring Diagram 31 PCB Detail PCB 1 Control PCB PCB 2 Signal Receiver PCB PCB 3 INTELLIGENT EYE sensor PCB Inverter models only Control PCB V1 Fu1 S1 SW7 LED1 LED2 LED3 RTH1 S27 S7 S6 S26 S32 JC JB JA LED A S35 S21 Signal Receiver PCB R4011 S36 R3321 ...

Страница 41: ...nector for electronic expansion valve coil 4 S30 Connector for compressor motor 5 S40 Connector for overload protector 6 S70 Connector for fan motor 7 S80 Connector for four way valve coil 8 S90 Connector for thermistors outdoor air heat exchanger discharge pipe 9 HC3 HC4 HL3 HN3 Connector for filter PCB 1 FU1 FU2 Fuse 3 15A 2 FU3 Fuse 20A 3 LED A Service monitor LED 4 V1 V2 V3 Varistor 5 J8 Facil...

Страница 42: ...onnector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 33 PCB Detail PCB 1 Control PCB outdoor unit PCB 2 Filter PCB FU2 3 15A S30 HN3 HC3 S70 J8 HC4 R3322 S40 LED A S90 HL3 FU1 3 15A V1 S80 S20 S10 FU3 20A S11 R3323 V3 V2 ...

Страница 43: ...ther designations PCB Detail Control PCB outdoor unit 1 S20 Connector for electronic expansion valve 2 S70 Connector for fan motor 3 S80 Connector for four way valve 4 S90 Connector for thermistors outdoor air heat exchanger discharge pipe 1 FU1 Fuse 3 15A 2 FU3 Fuse 20A 3 LED A Service monitor LED 4 V1 V2 V3 Varistor FU3 20A V2 V3 V1 S70 S80 S20 S90 R4012 LED A FU1 3 15A ...

Страница 44: ...ns 47 2 Function of Thermistor 48 2 1 Heat Pump Model 48 2 2 Cooling Only Model 49 3 Control Specification 50 3 1 Mode Hierarchy 50 3 2 Frequency Control 51 3 3 Controls at Mode Changing Start up 53 3 4 Discharge Pipe Control 54 3 5 Input Current Control 55 3 6 Freeze up Protection Control 55 3 7 Heating Peak cut Control 56 3 8 Fan Control 56 3 9 Liquid Compression Protection Function 2 56 3 10 De...

Страница 45: ...ins the conversion principle Drawing of Inverter The following drawing shows a schematic view of the inverter principle Phase Description 1 The supplied AC power source is converted into the DC power source for the present 2 The DC power source is reconverted into the three phase AC power source with variable frequency When the frequency increases the rotation speed of the compressor increases res...

Страница 46: ...to air condition with a small room temperature variation Energy saving heating and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following table shows the functions that define the minimum and maximum frequency Forced Cooling Operation For more information refer to Forced operation mode on page 62 ...

Страница 47: ...presses the warm air above the floor to reach the entire room Cooling Mode During cooling mode the flap retracts into the indoor unit Then cool air can be blown far and pervaded all over the room Wide Angle Louvres The louvres made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution Auto Swing The following table explains the auto swing process...

Страница 48: ...operation fan operate H tap 50 90 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 The following drawing explains the principle of fan speed control for cooling Step Cooling Heating Dry mode LLL Heating thermostat OFF 25 35kW class 500 860 rpm During ...

Страница 49: ...e set 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 temperature at startup Temperature ON point at which operation starts Frequency switching point Temperaturedifference for operation stop 24ºC Room temperature at startup 0 5ºC 1 5ºC 18ºC 18ºC 1 0º...

Страница 50: ... setting 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 Main unit setting temperature 2 5 deg 2 Cooling Heating switching point Room temperature Main unit setting temperature 2 5 deg 3 Thermostat ON OFF point is the same as the ON OFF point of cooling ...

Страница 51: ...economical operations This prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity Cooling Operation Heating Operation When outside temperature is normal and room temperature is at set temperature When outside temperature is high 27 C or higher Timer operation Night Set Circuit ON 0 5 C temperature shift Operatio...

Страница 52: ...icrocomputer 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 higher and Auto according to the operation mode at that time H1 In case of Fan mode the fan speed reduces by 50 rpm 1sec sampling 20msec High Low ON OFF Sensor output Human motion R2821 Human detect...

Страница 53: ...utes so 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 or after this forty minutes if the sensor detects human motion detection signal it let the set temperature and the fan speed return to the original set point keeping a normal operation Others T...

Страница 54: ...comes effective 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 control The indoor unit is operated according to the set temperature and air volume for HOME LEAVE which were pre set in the memory of the remote control The LED Red of indoor unit representing HOME LEAVE lights ...

Страница 55: ... period of twenty minutes Ex Powerful operation in cooling mode Operation mode Fan speed Target set temperature COOL H tap 90 rpm 18 C DRY Dry rotating speed 50 rpm Normally targeted temperature in dry operation Approx 2 C HEAT H tap 90 rpm 30 C FAN H tap 90 rpm AUTO Same as cooling heating in Powerful operation The target is kept unchanged R4976 Target temp Fan 90rpm Set temp 18 C Powerful ON Pow...

Страница 56: ...ilter with Photocatalytic Deodorizing Function This filter incorporates the benefits the Air Purifying Filter and Photocatalytic Deodorizing Filter in a single unit Combining the two filters in this way increases the active surface area of the new filter This larger surface area allows the filter to effectively trap microscopic particles decompose odours and deactivate bacteria and viruses even fo...

Страница 57: ...ressor rises abnormally the operating frequency drops or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge thermistor C Indoor Heat Exchanger Thermistor DCN 1 The indoor heat exchanger thermistor is used for controlling target discharge temperature The system sets a target discharge temperature according to the outdoor and indoor heat exchange...

Страница 58: ...controlling temperature of the discharge pipe If the temperature of discharge pipe used in place of the inner temperature of the compressor rises abnormally the operating frequency drops or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge thermistor C Indoor Heat Exchanger Thermistor DCN 1 The indoor heat exchanger thermistor is used for cont...

Страница 59: ...and cooling including drying Note Unless specified otherwise an indoor dry operation command must be regarded as cooling operation Air conditioner control mode Forced operating mode Forced cooling for Pump Down Operation Normal operating mode Cooling Heating Defrosting Stop mode except for cooling heating modes by indoor command Preheat operation During C capacitor is discharging Stop R2829 Air co...

Страница 60: ...pper limits of the following functions Compressor protection input current discharge pipes peak cutting freeze up protection defrost 3 Determine lower limit frequency Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions Four way valve operating compensation draft prevention pressure difference upkeep 4 Determine prohibited frequency There is a...

Страница 61: ...ume air flow rate and other factors PI Control Determine Frequency Up Down by ΔD Signal 1 P control Calculate ΔD value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 2 I control If the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the ΔD value obtaining t...

Страница 62: ...ay valve must be carried out after the operation stopped Detail The OFF delay of four way valve Energize the coil for 160 sec after unit operation is stopped 3 3 3 Four Way Valve Operation Compensation Outline Heat Pump Only At the beginning of the operation as the four way valve is switched acquire the differential pressure required for activating the four way valve by having output the operating...

Страница 63: ...erature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further Detail Divide the Zone Management within the Zones FCG 3 FCG 2 FCG 1 TCG 1 TCG 2 TCG 3 88 64 48 240 360 180 Frequency TCG 1 sec TCG 2 sec TCG 3 sec Time R2949 FCG3 FCG2 FCG1 Zone Control contents Stop zone When the temperature reaches the stop zone stop the compressor and c...

Страница 64: ...ent drooping and stop value according to the outdoor air temperature 1 In case the operation mode is cooling The current droops when outdoor air temperature becomes higher than a certain level model by model 2 In case the operation mode is heating only for heat pump model The current droops when outdoor air temperature becomes higher than a certain level model by model 3 6 Freeze up Protection Con...

Страница 65: ...p control when drooping function is working 5 Fan control when forced operation 6 Fan control in low noise mode 7 Fan control during heating operation 8 Fan control in the quiet mode 9 Fan control in the powerful mode 10 Fan control for pressure difference upkeep Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped 3 9 Liquid Compression Prot...

Страница 66: ...tion 6 minutes after the compressor is started and more than 28 minutes of accumulated time pass since the start of the operation or ending the defrosting Conditions for Canceling Defrost The judgment must be made with heat exchanger temperature 4 C 22 C ARK X S models A RK X H R Y N models Frequency Compressor Four way valve Fan ON OFF ON OFF ON OFF 0Hz 5sec 350pps 450pps 450pps Initial opening P...

Страница 67: ... Discharge pipe temperature control Detail The followings are the examples of control which function in each mode by the electronic expansion valve control R2833 Fully closed when power is turned ON Open control when starting Control of target discharge pipe temperature Pressure equalizing control Open control when starting Control of target discharge pipe temperature Defrost control FD 1 Pressure...

Страница 68: ... Disconnection of the Discharge Pipe Thermistor Outline Detect a disconnected discharge pipe thermistor by comparing the discharge pipe temperature with the condensation temperature If any is disconnected open the electronic expansion valve according to the outdoor air temperature and the operating frequency and operate for a specified time and then stop After 3 minutes of waiting restart the unit...

Страница 69: ...rge pipe temperature from the indoor and outdoor heat exchanger temperature and adjust the electronic expansion valve opening so that the actual discharge pipe temperature become close to that temperature Indirect SH control using the discharge pipe temperature Determine a correction value of the electronic expansion valve compensation and drive it according to the deflection of the target dischar...

Страница 70: ...e are three ways of control to detect insufficient gas I Detecting by power consumption If the power consumption is below the specified value and the frequency is higher than the specified frequency it is regarded as insufficient gas The power consumption is weak comparing with that in the normal operation when gas is insufficient and gas insufficiency is detected by checking a power consumption I...

Страница 71: ... voltage is detected each time equipment operation starts Cooling room temperature indoor heat exchanger temperature 4 0 C outdoor heat exchanger temperature outdoor temperature 4 0 C Heating indoor heat exchanger temperature room temperature 4 0 C outdoor temperature outdoor heat exchanger temperature 3 0 C Item Forced Cooling Forced operation allowing conditions 1 The outdoor unit is not abnorma...

Страница 72: ...tdoor temperature rises the operation will start again Caution 1 If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind provide a windbreak wall 2 Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings 3 Do not place humidifiers or other items which might raise the humidity in rooms wher...

Страница 73: ...Control Specification SiENBE04 512A 64 Function and Control ...

Страница 74: ... 2 2 Names of parts 69 2 3 Preparation before Operation 72 2 4 AUTO DRY COOL HEAT FAN Operation 75 2 5 Adjusting the Air Flow Direction 77 2 6 POWERFUL Operation 79 2 7 OUTDOOR UNIT SILENT Operation 80 2 8 HOME LEAVE Operation 81 2 9 INTELLIGENT EYE Operation 83 2 10 TIMER Operation 85 2 11 Care and Cleaning 87 2 12 Troubleshooting 90 ...

Страница 75: ...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 However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing ...

Страница 76: ...ic shocks fire etc 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 refrigerant happens to leak into the room make sure it does not come in contact with any flame as of gas heaters kerosene heaters or gas range If the air conditioner is not cooling heating ...

Страница 77: ... use check the unit stand and fittings for damage Do not touch the air inlet and aluminum fins of outdoor unit It may cause injury The appliance is not intended for use by young children or infirm persons without supervision Young children shuld be supervised to ensure that they do not play with the appliance To avoid oxygen deficiency ventilate the room sufficiently if equipment with burner is us...

Страница 78: ...SiENBE04 512A Instruction System Configuration 69 2 2 Names of Parts Indoor Unit 1 3 4 5 6 7 9 10 11 2 R ON OFF 14 15 16 8 12 13 ...

Страница 79: ...ades The louvers are inside of the air outlet Page 13 12 Indoor Unit ON OFF 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 green 14 TIMER lamp yellow page 20 15 HOME LEAVE lamp red page 16 16 Signal receiver It receives signals from the remote cont...

Страница 80: ...age 16 4 POWERFUL button POWERFUL operation page 14 5 TEMPERATURE adjustment 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 COOL HEAT FAN page 10 8 SILENT button OUTDOOR UNIT SILENToperation page 15 9 FAN setting button It selects the air flow rate setting...

Страница 81: ...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 remote control display begins to fade or if reception deteriorates please replace with new alkali batteries Do not use manganese batteries The attached batteries are provided for the initial use of the system The usable period of the ...

Страница 82: ... the unit 2 Fix the holder to a wall a pillar etc with the screws supplied with the holder 3 Place the remote control in the remote control holder About remote control Never expose the remote control to direct sunlight Dust on the signal transmitter or receiver will reduce the sensitivity Wipe off dust with soft cloth Signal communication may be disabled if an electronic starter type fluorescent l...

Страница 83: ...y even while it is not operating If you are 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 temperature range may cause a safety device to disable the system Recommended temperature setting For cooling 26 C 28 C For heating 20 C 24 C Mode Initial settin...

Страница 84: ...nces the mode setting in sequence AUTO DRY COOL HEAT FAN ATKS ATXS 2 Press ON OFF button The OPERATION lamp lights up To stop operation 3 Press ON OFF button again Then OPERATION lamp goes off To change the temperature setting 4 Press TEMPERATURE adjustment button C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SWING SILENT SENSOR ON CANCEL OFF R 2 3 1 4 5 ON OFF DRY or FAN mode AUTO or COOL or H...

Страница 85: ...all 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 case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit Note on DRY operation The computer chip works to rid th...

Страница 86: ... direction to increase your comfort To adjust the horizontal blades flaps 1 Press SWING button is displayed on the LCD 1 When the flaps have reached the desired position press SWING button once more The flaps will stop moving TEMP ON OFF POWERFUL MODE FAN SWING SENSOR ECONO MOLDPROOF TIMER ON CANCEL OFF QUIET 1 2 R ...

Страница 87: ...ge 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 broken Be careful when adjusting the louvers Inside the air outlet a fan is rotating at a high speed In DRY mode or COOL mode Upper limit in cooling Lower limit in cooling When stop operation In HEAT or...

Страница 88: ...POWERFUL operation there are some functions which are not available is displayed on the LCD To cancel POWERFUL operation 2 Press POWERFUL button again disappears from the LCD TIMER ON CANCEL OFF 1 2 Notes on POWERFUL operation In COOL and HEAT mode To maximize the cooling heating effect the capacity of outdoor unit must be increased and the air flow rate be fixed to the maximum setting The tempera...

Страница 89: ...R UNIT SILENT operation 2 Press SILENT button again disappears from the LCD Note on OUTDOOR UNIT SILENT operation This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY mode POWERFUL operation and OUTDOOR UNIT SILENT operation cannot be used at the same time Priority is given to POWERFUL operation If operation is stopped using the remote control or the main uni...

Страница 90: ...E LEAVE operation When using HOME LEAVE operation for the first time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature and air flow rate 1 Press HOME LEAVE button Make sure is displayed in the remote control display 2 Adjust the set temperature with or as you like 3 Adjust the air flow rate with FAN setting button as you like Home leave operati...

Страница 91: ...you will be welcomed by a comfortably air conditioned room Push the HOME LEAVE Operation button again and the air conditioner will adjust capacity to the set temperature for normal operation Set the unit to HOME LEAVE Operation before leaving the living room when going to bed The unit will maintain the temperature in the room at a comfortable level while you sleep When you enter the living room in...

Страница 92: ... 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD TEMP ON OFF POWERFUL MODE FAN SWING SENSOR ECONO MOLDPROOF TIMER ON CANCEL OFF QUIET 1 2 When somebody in the room When nobody in the room When somebody in the room Normal operation 20 min after start energy saving operation Back to normal operation ...

Страница 93: ... may not detect moving objects further than 5m away Check the application range Sensor detection sensitivity changes 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 INTELLIGENT EYE operation will not go on during powerful operation Night set mode will ...

Страница 94: ... time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER operation 4 Press CANCEL button The TIMER lamp goes off When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote control batteries are replace...

Страница 95: ... by 10 minutes Holding down either button changes the setting rapidly 3 Press ON TIMER button again The TIMER lamp lights up To cancel the ON TIMER operation 4 Press CANCEL button The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below In the following cases set the timer again After a breaker has turned OFF After a power failure After...

Страница 96: ...ith water dry it with cloth dry it up in the shade after washing 4 Attach the front panel Set the 3 keys of the front panel into the slots and push them in all the way Close the front panel slowly and push the panel at the 3 points 1 on each side and 1 in the middle Check to see if the rotating axis in the upper center section is moving Don t touch the metal parts of the indoor unit If you touch t...

Страница 97: ... them with neutral detergent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air purifying Filter with photocatalytic deodorizing function gray The air purifying filter with photocatalytic deodirizing function can be renewed by washing it with water once every 6 months We recommend replacing it once every 3 years Maintenance 1 Re...

Страница 98: ...the inside Press MODE button 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 batteries from the remote control Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour To order a...

Страница 99: ...am when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mists come out of the indoor unit This happens when the air in the room is cooled into mist by the cold air flow during cooling operation The indoor unit gives out odour This happens when smells of the room furniture or cigarettes are...

Страница 100: ...closed Are the air flow rate and the air direction set appropriately Is the unit set to the INTELLIGENT EYE mode Operation stops suddenly OPERATION lamp flashes Are the air filters clean Is there anything to 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 ...

Страница 101: ...n poor performance It is recommended to have periodical maintenance by a specialist aside from regular cleaning by the user For specialist maintenance contact the service shop where you bought the air conditioner The maintenance cost must be born by the user Call the service shop immediately When an abnormality such as a burning smell occurs stop operation and turn the breaker OFF Continued operat...

Страница 102: ...E UP PROTECTOR A6 FAN MOTOR FAULT C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR C9 FAULTY SUCTION AIR TEMPERATURE SENSOR OUTDOOR UNIT EA COOLING HEATING SWITCHING ERROR E5 OL STARTED E6 FAULTY COMPRESSOR START UP E7 DC FAN MOTOR FAULT E8 OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL F6 HIGH PRESSURE CONTROL IN COOLING H6 OPERATION HALT DUE TO FAULTY...

Страница 103: ...Instruction SiENBE04 512A 94 System Configuration ...

Страница 104: ...rror between Indoor and Outdoor Unit 107 4 7 OL Activation Compressor Overload 108 4 8 Compressor Lock 109 4 9 DC Fan Lock 110 4 10 Input Over Current Detection 111 4 11 Four Way Valve Abnormality 112 4 12 Discharge Pipe Temperature Control 114 4 13 High Pressure Control in Cooling 115 4 14 Position Sensor Abnormality 117 4 15 DC Voltage Current Sensor Abnormality 118 4 16 Thermistor or Related Ab...

Страница 105: ...quipment operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Location of Operation Lamp Troubleshooting with LED Indication The outdoor unit has one green LED LEDA on the PCB The flashing green LED indicates normal condition of microcomputer operation ON OFF Indicator lamps HOME LE...

Страница 106: ...r higher only for heat pump model and cooling operation cannot be used when the outdoor air temperature is below 10 C Note Diagnosis with remote control indication 101 Equipment operates but does not cool or does not heat only for heat pump model Check for wiring and piping errors in the indoor and outdoor units connection wires and pipes Conduct the wiring piping error check described on the prod...

Страница 107: ...duced The code indication changes in the sequence shown below and notifies with a long beep Note 1 A short beep and 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 for 1 minute No Code No Code No Code 1 OO 12 C7 23 HO 2 U4 13 H8 24 E1 3 F3 14 J3 25 P...

Страница 108: ... 2 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 The number of tens accords with the error code H beep The both numbers of tens and units accord with the error code See 7 4 Enter the diagnosis mode again Press the MODE button The digit of the numbe...

Страница 109: ... both numbers of tens and units do not accord with the error code H pi pi The number of tens accords with the error code H beep The both numbers of tens and units accord with the error code 7 Determine the error code The digits indicated when you hear the beep sound are error code Error codes and description Refer to page 101 8 Exit from the diagnosis mode Press the MODE button R4277 R4278 ...

Страница 110: ...om temperature thermistor abnormality 106 Outdoor Unit E5H OL activation compressor overload 108 E6H Compressor lock 109 E7 DC fan lock 110 E8 Input over current detection 111 EA Four way valve abnormality 112 F3 Discharge pipe temperature control 114 F6 High pressure control in cooling 115 H6 Position sensor abnormality 117 H8 DC voltage current sensor abnormality 118 H9 Outdoor air thermistor or...

Страница 111: ...oss detection in approximately 10 continuous seconds Supposed Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Connector connection check note YES Is it normal NO Correct connections Replace PCBs R1400 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Model Type Connec...

Страница 112: ... 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 ...

Страница 113: ...ccumulation 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 air passage Clean the air filter Clean the heat exchanger Replace the indoor unit PCB Replace the thermistor replace the indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect c...

Страница 114: ... due to faulty indoor unit PCB Troubleshooting Check No 16 Refer to P 137 Rotate the fan by hand Check No 16 Check Hall IC Operate the fan Does it rotate NO Does it rotate smoothly Is there an output Is it at the rated voltage Is there conductivity NO Check the capacitor s conductivity Check the fan motor voltage immediately after re start Is it at the rated voltage Check the fan motor voltage NO ...

Страница 115: ...ess 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 No 6 Refer to P 132 C4 Heat exchanger thermistor C9 Room temperature thermistor Check the connector connection YES Correct the connection Replace the thermistor Replace the indoor unit PCB Replace the...

Страница 116: ...nal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire No 2 Troubleshooting Check No 10 Refer to P 135 Check the outdoor unit s LED A Check the indoor unit outdoor unit connection wires YES YES Correct the indoor unit outdoor unit connection wires Diagnose the outdoor unit Replace the connection wires between the indoor and outdoor units Re...

Страница 117: ...ubleshooting Check No 4 Refer to P 130 Check No 5 Refer to P 131 Check No 6 Refer to P 132 Check No 11 Refer to P 135 Insert the thermistor in position Replace the discharge pipe thermistor Replace the valve itself or the coil Replace the four way valve coil or the valve itself Replace the outdoor unit PCB Refer to the refrigerant line check procedure Replace the outdoor unit PCB R2841 Caution Be ...

Страница 118: ...upposed Causes Compressor locked Compressor harness disconnected Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Turn off the power Disconnect the harnesses U V and W Inverter checker Part No 1225477 Correct the power supply or replace the SPM Replace the outdoor unit PCB Replace the compressor Check the electronic expansion valve Replace it as required Replace the ...

Страница 119: ...n for about 5 minutes normal Supposed Causes Fan motor breakdown Harness or connector disconnected between fan motor and PCB or in poor contact Foreign matters stuck in the fan Troubleshooting Check No 15 Refer to P 136 Turn off the power and reconnect the connector Remove Replace the outdoor unit fan motor Replace the outdoor unit PCB R2843 Caution Be sure to turn off power switch before connect ...

Страница 120: ...have SPM replace the outdoor unit PCB Replace the outdoor unit PCB Inverter checker Part No 1225477 Correct the power supply or replace the SPM Replace the outdoor unit PCB R2952 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Input current flowing above its stop level NO YES Any LED off YES NO Check with the inverter checker Turn off...

Страница 121: ...ecked to see if they function within their normal ranges in the operating mode Malfunction Decision Conditions A following condition continues over 10 minute after operating 5 minutes Cooling dry operation room temp indoor heat exchanger temp 5 C Heating indoor unit heat exchanger temp room temp 5 C Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Four way ...

Страница 122: ...off power switch before connect or disconnect connector or parts damage may be occurred Four way valve coil disconnected loose YES YES NO Functioning NO Check No 11 Check the refrigerant line Malfunctioning Harness out of connector NO YES Disconnect the harness from the connector Resistance between harnesses about 3kΩ 0 5kΩ Malfunctioning Functioning Check No 5 Check the four way valve switching o...

Страница 123: ...tdoor air temperature thermistor defective Outdoor unit PCB defective Water mixed in the local piping Electronic expansion valve defective Stop valve defective Troubleshooting Check No 4 Refer to P 130 Check No 6 Refer to P 132 Check No 11 Refer to P 135 Stop temperatures ARK X S A RK X H R Y N 1 above 45Hz rising above 40Hz dropping 110 97 85 2 30 45Hz rising 25 40Hz dropping 105 92 80 3 below 30...

Страница 124: ...ng sensed by the heat exchanger thermistor exceeds the limit Malfunction Decision Conditions Activated when the temperature being sensed by the heat exchanger thermistor rises above 65 C The error is cleared when the temperature drops below 54 C Supposed Causes The installation space is not large enough Faulty outdoor unit fan Faulty electronic expansion valve Faulty defrost thermistor Faulty outd...

Страница 125: ...air the connector or fan motor lead wires Replace the heat exchanger thermistor Replace PCB Replace the electronic expansion valve or coil Replace the PCB Change the air outlet grille position Change the installation location Clean the heat exchanger Check the installation space Check No 9 Outdoor fan check Judgment Check No 6 Heat exchanger thermistor check Judgment Check No 7 Installation condit...

Страница 126: ...e disconnected Compressor itself defective Outdoor unit PCB defective Stop valve closed Input voltage out of specification Troubleshooting Check No 13 Refer to P 136 Replace the outdoor unit PCB Replace the outdoor unit PCB Reconnect as specified Inverter checker Part No 1225477 Correct the power supply or replace the outdoor unit PCB Replace the compressor R3041 Caution Be sure to turn off power ...

Страница 127: ...cision Conditions The compressor running frequency is below 52 Hz The input current is also below 0 5 A If this error repeats 4 times the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Outdoor unit PCB defective Troubleshooting Replace the outdoor unit PCB Cauti...

Страница 128: ...rature Malfunction Decision Conditions The thermistor input is above 4 96 V or below 0 04 V with the power on Error J3 is judged if the discharge pipe thermistor temperature is smaller than the condenser thermistor temperature Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Indoor unit PCB defective Condenser thermistor defective in the case of J3 error ou...

Страница 129: ...eat exchanger thermistor Outdoor air thermistor Replace the following thermistor Indoor heat exchanger thermistor Replace the outdoor unit PCB Replace the indoor unit PCB R4097 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again on remote control NO YES YES YES NO Indoor heat exchanger thermistor functioning NO Conne...

Страница 130: ...in thermistor with the compressor off Malfunction Decision Conditions With the compressor off the radiation fin temperature is above 80 C 90 C Reset is made when the temperature drops below 70 C 80 C value for A RK X H R Y N models Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temperature rise due to short circuit Fin thermistor defective Connector in poor contact Outd...

Страница 131: ... off power switch before connect or disconnect connector or parts damage may be occurred Error again or outdoor unit fan activated YES Fin thermistor NO Slightly dirty Check No 9 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too dirty Functioning Thermistor as specified in its characteristic chart Above 80 C 90 C NO YES NO YES Check the radiation fin temperature Check No...

Страница 132: ...mperature with the compressor on is above 90 C 100 C for A RK X H R Y N models If a radiation fin temperature rise takes place 4 times successively the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temp...

Страница 133: ...nsistor Replace the fan motor Correct the connectors and fan motor leads Replace the outdoor unit PCB Clean up the radiation fin R4017 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again YES NO Slightly dirty Check No 9 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too dirty Functioning The...

Страница 134: ...is running An output over current input is fed from the output over current detection circuit to the microcomputer The system will be shut down if the error occurs 255 times Clearing condition Continuous run for about 10 minutes normal Supposed Causes Over current due to defective power transistor Over current due to wrong internal wiring Over current due to abnormal supply voltage Over current du...

Страница 135: ...eakage between compressor s coil phases NO YES Normal YES NO Any LED off Turn off the power and turn it on again to get the system started See if the same error occurs Turn off the power and disconnect the harnesses U V and W Monitor the supply voltage discharge and suction pressures and other factors for a long term Possible causes Instantaneous supply voltage drop Compressor motor overloaded Con...

Страница 136: ...del to model Gas shortage detection II If a gas shortage error takes place 4 times successively the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Gas shortage detection III When the difference of the temperature is smaller than it is regarded as insufficient gas Supposed Cause...

Страница 137: ...unit heat exchanger thermistor 1 Replace the PCB 2 Replace the compressor Procedure complete R3318 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Any thermistor disconnected YES Malfunctioning NO Stop valve closed NO YES YES NO Gas shortage error again Functioning Check No 6 Check the thermistors YES NO Oil oozing at internal piping ...

Страница 138: ...n Continuous run for about 10 minutes normal Supposed Causes Supply voltage not as specified Over voltage detection circuit defective PAM control part s defective Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Check the supply voltage Correct the power supply Check for such factors for a long term Replace the SPM Replace the outdoor unit PCB R2957 Caution Be sure t...

Страница 139: ...vity using a tester Check the conductivity between pins 1 3 and 6 and between pins 2 4 and 5 If there is no conductivity between the pins the EV coil is faulty 4 If no EV generates latching sound in the above step 2 the outdoor unit PCB is faulty 5 If the conductivity is confirmed in the above step 2 mount a good coil which generated latching sound in the EV unit that did not generate latching sou...

Страница 140: ... unit PCB Replace the four way valve coil Replace the four way valve R3047 NO YES YES Four way valve coil resistance at 3kΩ 0 5kΩ NO S80 voltage at DC 180 220 V with compressor on Fig 1 Disconnect the four way valve coil from the connector and check the continuity Fig 1 Voltage at S80 DC180 220V Time Four way valve coil Cooling dry No continuity Heating Continuity Compressor ON ...

Страница 141: ...ance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20kΩ B 3950 Temperature C 20 211 0 kΩ 15 150 10 116 5 5 88 0 67 2 5 51 9 10 40 15 31 8 20 25 25 20 30 16 35 13 40 10 6 45 8 7 50 7 2 Tester Resistance range R25 20kΩ B 3950 kΩ 150 100 50 15 0 15 30 45 R1437 C ...

Страница 142: ... by the outdoor unit The outside air temperature shall be 43 C or lower Check the allowable dimensions of the air suction and discharge area Is the air flow blocked by obstacles or winds blowing in the opposite direction R1438 Abnormal YES YES YES Does the discharged air from other outdoor unit cause an increase of the suction air temperature NO NO NO Is the heat exchanger very dirty Discharge pre...

Страница 143: ...m functioning Go to Check No 15 Check the fan motor lead wire connector for secure connection Abnormal YES NO NO Continuity Are the resistance at connector leads 1 red black 2 white black Check the fan capacitor for continuity Does the outdoor fan rotate Does the outdoor unit fan start just after the power is turned on Check the outdoor fan system YES YES NO Normal No continuity Repair Replace the...

Страница 144: ...waveform disturbance near the zero cross sections circled in Fig 2 5 1 8 Inverter Units Refrigerant System Check Check No 11 Fig 1 Fig 2 Refrigerant system check Check for gas leaks See the section on insufficient gas detection Conduct the check after operating the equipment for a sufficient length of time Correct the problem Conduct vacuum drying Replace the refrigerant Is the discharge thermiste...

Страница 145: ...er off and disconnect the connector S70 2 Make sure there is about DC 270 V between pins 4 and 7 3 With the system and the power still off reconnect the connector S70 4 Make a turn of the fan motor with a hand and make sure the pulse 0 15 V appears twice at pins 1 and 4 If the fuse is blown out the outdoor unit fan may also be in trouble Check the fan too If the voltage in Step 2 is not applied it...

Страница 146: ...ector connected check the following Output voltage of about 5 V between pins 1 and 3 Generation of 3 pulses between pins 2 and 3 when the fan motor is operating Failure of 1 Æ faulty PCB Æ Replace the PCB Failure of 2 Æ faulty Hall IC Æ Replace the fan motor Both 1 and 2 result Æ Replace the PCB Gray power supply Purple signals Blue grounding 1 2 3 R1968 ...

Страница 147: ...Check SiENBE04 512A 138 Service Diagnosis ...

Страница 148: ... Panels and Fan Motor 162 2 2 Removal of Electrical Box 169 2 3 Removal of Reactor and Partition Plate 171 2 4 Removal of Sound Blanket 173 2 5 Removal of Four Way Valve 175 2 6 Removal of Compressor 177 2 7 Removal of PCB 179 3 Outdoor Unit RK X H C ARK X H C R Y N C 182 3 1 Removal of External Panels 182 3 2 Removal of Bell Mouth 185 3 3 Removal of PCB 186 3 4 Removal of Electrical Box 194 3 5 R...

Страница 149: ...seconds a forced cooling operation will be carried out for approx 15 minutes 2 Removing air filters 1 Pull protrusions on left and right sides of panel with fingers and open front grille all the way 2 Lift center section of air filter and disengage hooks Remove air filter by pulling forward Left and right filters are interchangeable To re install insert air filter along the guide ON OFF button Rec...

Страница 150: ...unit s panel and open up the panel to the position higher than it will stop Support the front panel by one hand while remove the rotation axis at the upper center by the other hand And pull out the front panel forward to remove 2 Remove front panel from the unit Step Procedure Points R2512 Rotation axis Slide the center rotary axis the left and remove it out ...

Страница 151: ...Indoor Unit SiENBE04 512A 142 Removal Procedure 3 When restoring the air filter make sure that the projection parts on the panel are in the guide groove and then shut the panel Step Procedure Points ...

Страница 152: ...ure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Opening and closing of service cover 1 Remove a service cover mounting screw Open service cover upward A switch for field setting is not provided in particular Connection wires R2516 ...

Страница 153: ...ting models are not provided 2 Disengage the two hooks on the upper part In case that the hooks are not pressed from above remove the front panel and then remove the grille while pushing the hook through a clearance between the front grille and the heat exchanger At the upper part there are two hooks in the left and the right Disengage the hooks by pressing knobs with a screwdriver Step Procedure ...

Страница 154: ...it Removal Procedure 145 3 The front grille can be removed in a manner to pull out the upper part forward and lift up the lower part When restoring the grille Make sure whether each hook is set as it was Step Procedure Points ...

Страница 155: ...e after turning off all power supplies before disassembling work Step Procedure Points 1 Remove horizontal blade 1 Lift horizontal blade to open position Screw stoppers inside the flap which were equipped in the existing models are not provided 2 Disengage horizontal blade from blade retaining section 3 Bend blade slightly and remove it from the unit ...

Страница 156: ...ade to the tip while rotating it 2 Restore the two fixed parts of the horizontal blade onto the hook 2 Removal of vertical blade 1 Disengage the vertical blade s joint from the fixed plate 2 Remove the blade forward Five vertical blades are integrated with the joint rod so only one blade can t be exchanged Step Procedure Points Fixed plate R2527 ...

Страница 157: ... 2 Disconnect connectors S1 and S7 of fan motor Pay attention to the direction of the retainer of the thermistor so that the retainer will not touch the harness same as the existing models 3 Disconnect one connector S6 of swing motor 4 Remove heat exchanger thermistor Earth screw Terminal strip Swing motor Heat exchanger thermistor S1 S7 S6 R2528 PC Board Plate of connection wires R2529 Heat excha...

Страница 158: ...4 512A Indoor Unit Removal Procedure 149 5 Remove a screw on the terminal strip The switch box can be removed instead of disengaging the terminal strip 6 Remove a screw on the switch box Step Procedure Points ...

Страница 159: ...Indoor Unit SiENBE04 512A 150 Removal Procedure 7 Pull up the switch box forward to remove A hook is provided on the behind Step Procedure Points ...

Страница 160: ... the shelter 2 Disengage the front plate of the switch box Disengage the knobs by pushing the two hooks at the top and the bottom 3 Sliding to the left the front part of the switch box can be removed Step Procedure Points Shelter R2535 Pushing point Pushing point Push R2536 ...

Страница 161: ...nobs on the back of the display PCB LED3 and Intelligent eye sensor PCB are only for inverter models 5 Display PCB Step Procedure Points PC Board R2538 Knob R2539 Intelligent eye sensor PCB Thermistor SW7 ON OFF button S36 S26 S27 LED3 Red LED1 Green LED2 Yellow S35 R2540 ...

Страница 162: ...ove swing motor assembly remove two screws Manual adjusting for the vertical blades Provide a supporter so that the joint link will not drop off in case the horizontal blade assembly is removed Step Procedure Points S7 Fan motor S6 Swing motor JC JB R2541 S32 Heat exchanger thermistor JA Address S21 HA terminal Glass tabu fuse 3 15A 250V Swing motor R2543 ...

Страница 163: ... refrigerating cycle Mixing of air or other gas causes abnormal temperature rise in refrigerating cycle and this results in pipe rupture or personal injuries Pay attention so that the residual drain will not make a floor dirty In case that a drain hose is buried inside a wall remove it after the drain hose in the wall is pulled out 1 Remove the drain hose Make curing so that the residual drain wat...

Страница 164: ...eformation 6 Disengage hooks located right and left side and pull heat exchanger forward The hooks are symmetrically placed in the right and the left Lifting the heat exchanger slightly upward to the right the left hook comes to be disengaged easily Step Procedure Points Pipe retainer R2547 This hook is located both side of heat exchanger Press this hook to remove heat exchanger easily R2549 ...

Страница 165: ...12A 156 Removal Procedure 7 Lift and remove heat exchanger Caution When removing or re installing heat exchanger be sure to wear protective gloves or wrap heat exchanger with cloths Fins can cut fingers Step Procedure Points ...

Страница 166: ...ore disassembling work Step Procedure Points 1 Disconnect drain hose The drain pan is integrated with the bottom plate 2 Pull out the drain plug in the left on the drain pan by hand 3 Insert the drain hose Push it into the inner part firmly 4 Push the drain plug into the right by Allen wrench Push it into the inner part firmly Drain plug R2553 Allen wrench 4 mm R2555 ...

Страница 167: ...l of Fan Rotor and Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove heat exchanger 1 To remove right side panel remove three screws Right side plate R2557 ...

Страница 168: ...SiENBE04 512A Indoor Unit Removal Procedure 159 2 Disengage hook 3 Loosen the hexagon head set screw on the fan rotor Step Procedure Points Hook R2558 ...

Страница 169: ...Indoor Unit SiENBE04 512A 160 Removal Procedure 4 Remove the motor and fan rotor 5 Remove a screw on the left side panel Step Procedure Points Disengage a hook from the backward R2562 ...

Страница 170: ...1 6 Disengage a hook from the backward 7 Since the fan bearing is made of rubber push it strongly off from the inside The bearing can be removed just as the left side plate is attached with Step Procedure Points Left side plate R2564 Bearing R2565 ...

Страница 171: ...supplies before disassembling work Step Procedure Points 1 Features Take care not to cut your finger by the fins of the heat exchanger The stop valve cover is united with the shelter When reassembling make sure to fit the 5 hooks 1 Loosen the screw of the stop valve cover Pull down the stop valve cover and remove it Handle R3235 Outdoor air thermistor R3236 Stop valve cover R3237 Shelter Hooks R32...

Страница 172: ...screws front right left and lift the top panel 2 Remove the drip proof plate 3 Disconnect the connector for fan motor S70 The fan motor is united with the front panel 4 Loosen the 5 screws of the front panel Step Procedure Points Top panel R3239 Drip proof plate R3240 S70 R3241 Front panel R3242 ...

Страница 173: ...n motor is united with the front panel 3 Remove the fan motor The screw has reverse winding 1 Unscrew the washer fitted nut M10 of the propeller fan with a spanner 2 Remove the propeller fan Align mark of the propeller fan with D cut section of the motor shaft when reassembling Step Procedure Points Hooks R3243 Propeller fan R3244 D cut R3245 ...

Страница 174: ...e bell mouth to undo the hooks Remove the bell mouth 4 Loosen the fixing hooks and release the lead wire Put the lead wire through the back of the motor when reassembling so as not to be entangled with the propeller fan Step Procedure Points Bell mouth Hooks R3246 R3249 Lead wire Propeller fan ...

Страница 175: ...iENBE04 512A 166 Removal Procedure 5 Loosen the 4 screws to remove the fan motor M4 16 DC fan motor 6 Loosen the 2 screws to remove the fan motor fixing frame Step Procedure Points Fan motor R3250 Fan motor fixing frame R3251 ...

Страница 176: ... C Removal Procedure 167 4 Remove the right side panel 1 Loosen the 2 screws on the rear side 2 Loosen the 3 screws on the right side 3 Loosen the screw and lift the connection port to remove Step Procedure Points Right side panel R3254 ...

Страница 177: ...Outdoor Unit ARK X S C SiENBE04 512A 168 Removal Procedure When reassembling make sure to fit the hook Step Procedure Points Hook R3257 ...

Страница 178: ...pplies before disassembling work Step Procedure Points Remove the top panel Disconnect the connector for fan motor 1 Remove the electrical box 1 Disconnect the 2 reactor harnesses 2 Disconnect the relay connector for compressor lead wire 3 Disconnect the connector for four way valve S80 When reassembling coil the excessive lead wire and hang the loop on the hook S80 R3260 ...

Страница 179: ...ion so as not to lose the clip for thermistor 5 Release the heat exchanger thermistor Pay attention so as not to lose the clip 6 Lift and remove the electrical box Step Procedure Points Discharge pipe thermistor R3261 Thermistor Piping Clip R3262 Heat exchanger thermistor R3263 Clip R3264 Electrical box R3265 ...

Страница 180: ...e sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the outer panels Remove the electrical box 1 Remove the reactor 1 Loosen the screw Lift and remove the reactor 2 Remove the partition plate 1 Loosen the 2 screws Reactor R3266 Partition plate R3268 ...

Страница 181: ... SiENBE04 512A 172 Removal Procedure 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points Hook R3270 ...

Страница 182: ... before disassembling work Step Procedure Points Remove the outer panels Remove the electrical box 1 Remove the sound blanket 1 Untie the strings and open the sound blanket 2 Lift and remove the sound blanket body as it is opened Since the piping ports on the sound blanket are torn easily remove the blanket carefully 3 Lift and remove the sound blanket top Sound blanket R3271 ...

Страница 183: ...S C SiENBE04 512A 174 Removal Procedure 4 Pull the sound blanket inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully 5 Pull the sound blanket bottom out Step Procedure Points ...

Страница 184: ...ower supplies before disassembling work Step Procedure Points 1 Remove the peripheries Remove the four way valve and the sheets of putty so as not to burn them 1 Remove the terminal cover Be careful so as not to burn the compressor terminals or the name plate Make a note 2 Loosen the screw of the four way valve coil Terminal cover R3276 Red U Yellow V Blue W R3277 ...

Страница 185: ...tube cutter 4 Heat up the brazed part and withdraw the piping with pliers Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it Step Procedure Points Tube cutter R3280 ...

Страница 186: ...s not to burn the heat exchanger fin Warning Since it may happen that refrigeration oil in the compressor will catch fire prepare wet cloth so as to extinguish fire immediately In case of the difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit by a miniature copper tube cutter in order to make it easy to disconnect C...

Страница 187: ...Outdoor Unit ARK X S C SiENBE04 512A 178 Removal Procedure Step Procedure Points 3 Heat up the brazed part of the suction side and disconnect 4 Lift the compressor up and remove it ...

Страница 188: ...er turning off all power supplies before disassembling work Step Procedure Points 1 Remove the PCB You can remove the PCB when you disconnect the read wires on the terminal board without removing the electrical box PbF Pb free brazing is adopted 1 Feature of the PCB 2 Loosen the screw on the terminal board 3 Release the earth terminal ...

Страница 189: ...Outdoor Unit ARK X S C SiENBE04 512A 180 Removal Procedure 4 Loosen the 4 screws 5 Undo the 3 hooks on the upper side 6 Lift and pull out the PCB Step Procedure Points Hooks R3290 ...

Страница 190: ...Removal Procedure 181 7 Feature of the PCB S70 fan motor S80 four way valve S90 thermistor outdoor air heat exchanger discharge pipe Step Procedure Points PbF Pb free soldering Glass fuse 3 15A Glass fuse LEDA V3 Varistor S90 S70 S80 R3292 ...

Страница 191: ...e to turn off all power supplies at least 10 min before disassembling work Step Procedure Points 1 Remove the external panels The top panel is integrated with the front panel 1 The stop valve cover can be detached by removing the screw The cover has hooks at the right and left Detach the cover by sliding it downward Front panel Top panel Handle R4424 Stop valve cover R4426 ...

Страница 192: ...hooks at 7 positions 2 Remove the 2 screws at the front and the 3 screws at the right side The left side panel and the bell mouth can be removed all at once The top panel can be mounted easily if you move it horizontally and put it down 3 Remove the screw at the back and the 3 screws at the left side Step Procedure Points ...

Страница 193: ...front The left side panel and the bell mouth can be removed all at once The top panel can be mounted easily if you move it horizontally and put it down Sectional view at the front 5 Dismount the left side panel by removing the screw Step Procedure Points Top panel R1737 Left side panel The edge of the top panel gets into this groove ...

Страница 194: ...ing work Step Procedure Points 1 The bell mouth is attached to the front panel with 2 screws and 4 hooks Dismount the bell mouth from the front panel after removing the 2 screws at the lower side 2 Remove the 2 screws and unfasten the 4 hooks and remove the bell mouth by pulling it toward yourself Unfasten the hook B by sliding the bell mouth in the arrow direction Hook A Screw Hook B R4433 ...

Страница 195: ...Warning Be sure to turn off all power supplies at least 10 min before disassembling work Step Procedure Points 1 To remove the drip proof plate unfasten the hooks at 2 positions 2 The other hooks are unfastened when the drip proof plate is lifted by holding its right side Hooks R4436 Drip proof plate R4437 ...

Страница 196: ...al Procedure 187 3 Peel off the adhesive tape at 2 positions of the insulation sheet For prolonged durability use filament reinforced adhesive tape PVC tape can not be used 4 Remove the insulation sheet Step Procedure Points Insulation sheet Adhesive tape R4438 ...

Страница 197: ...edure 5 Disconnect the fan motor connector S70 6 The figure shows the wire harness connection around the hook 7 Remove the fan motor lead wire from the groove 8 Disconnect the four way valve connector S80 Step Procedure Points S70 R4440 Fan motor lead wire R4442 S80 R4444 ...

Страница 198: ...oval Procedure 189 9 Disconnect the electronic expansion valve connector S20 10 Disconnect the thermistor assembly connector for outdoor air heat exchanger discharge pipe S90 11 Disconnect the compressor relay harness Step Procedure Points S20 R4445 S90 R4446 ...

Страница 199: ...Disconnect the faston terminal from the reactor 13 Disconnect the ground wire 14 Disconnect the black white red and green connectors from the power supply terminal board Step Procedure Points ORG BRN Reactor R4448 Ground terminal screw R4449 Black White Ground wire Green Red R4450 ...

Страница 200: ...gh the slit on the terminal side of the electrical component box after detaching the stop valve cover 15 Dismount the PCB by removing the 2 screws The PCB can not be dismounted unless the radiation fin is removed Remove the 5 screws Washers are attached to the screws for the radiation fin 16 Dismount the radiation fin by removing the 3 screws Hold the radiation fan which is located at the lower pa...

Страница 201: ...iation fin from the underneath Be sure to use silicone agent to make a tight contact with the radiation fin Part No of silicone agent 1172698 18 Release the hooks of the PCB 19 Lift up the PCB and then unhook the wire harness 20 Pull the PCB toward yourself and lift it up Step Procedure Points ...

Страница 202: ...Removal Procedure 193 S20 Electronic expansion valve S70 Fan motor S80 Four way valve S90 Thermistor assembly 21 The figure shows the appearance of the PCB 22 The figure shows the appearance of the electrical box Step Procedure Points S90 S20 S80 S70 R4458 ...

Страница 203: ... 4 Removal of Electrical Box Procedure Warning Be sure to turn off all power supplies at least 10 min before disassembling work Step Procedure Points 1 The figure shows the electrical box 2 Disconnect the ground terminal 3 Dismount the terminal strip cover by removing the screw ...

Страница 204: ... H C ARK X H C R Y N C Removal Procedure 195 4 Disconnect the connection wires of the terminal block 5 Remove the 2 screws at the electrical box front and right side 6 Remove the electrical box by lifting it up Step Procedure Points ...

Страница 205: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 196 Removal Procedure 7 Release the 2 wire harnesses from the hooks at the back 8 Remove the electrical box Step Procedure Points ...

Страница 206: ...at least 10 min before disassembling work Step Procedure Points 1 Remove the motor assembly 1 Remove the 2 screws at the lower part of the fan motor assembly 2 The assembly has the hooks at its bottom Lift it up and pull it toward yourself to unhook When fitting the assembly fasten the hooks at 2 positions of the lower part of the partition plate as they were Hook Hook R4470 ...

Страница 207: ...Be careful of the fan fixing nut which is of left hand thread 1 Dismount the propeller fan by removing the washer faced nut with use of an open ended wrench Mount the fan propeller to the fan motor so that the z mark should face upward Step Procedure Points M10 R4473 R4474 Horizontal face goes upper side The dot mark goes vertically above the center ...

Страница 208: ...he back of the motor Be careful not to get the wire caught by the propeller fan 1 Pry up the hook which fixes the lead wire and draw out the lead wire 2 Remove the 2 screws of the fan motor 3 Remove the fan motor 4 Dismount the propeller fan by removing the screw Step Procedure Points Fixing hook Lead wire Propeller fan R4476 ...

Страница 209: ...rk Step Procedure Points 1 Remove the right side panel Preparation Remove the electrical box according to the removal of electrical box 1 Dismount the right side plate by removing the screw 2 Remove the outdoor air thermistor The thermistor assembly is a set of the outdoor air thermistor heat exchanger thermistor and discharge pipe thermistor 3 Remove the 2 screws at the back of the right side pan...

Страница 210: ... R Y N C Removal Procedure 201 4 Remove the right side panel by sliding it up along the 2 hooks at the lower side 5 Unfasten the hook at the top When mounting the right side panel fasten the 3 hooks Step Procedure Points Hook Hook R4483 Hook R4484 ...

Страница 211: ...Procedure 2 Remove the partition plate 1 To dismount the partition plate remove the 2 screws 2 Unfasten the hook of the lower side of the partition plate from the bottom frame When mounting the partition plate fasten the hook of the bottom frame Step Procedure Points ...

Страница 212: ...SiENBE04 512A Outdoor Unit RK X H C ARK X H C R Y N C Removal Procedure 203 3 Remove the reactor 1 To dismount the reactor remove the screw 2 Slide up the reactor and remove it Step Procedure Points ...

Страница 213: ...e thermistor fixture Remove the discharge pipe thermistor while opening the thermistor fixture 2 To remove the thermistor for heat exchanger cut off the clamp The thermistor for heat exchanger is fixed in position by a clamp When mounting the thermistor fix it always at the same position The clamp is a standing part Step Procedure Points Discharge pipe thermistor Thermistor fixture R4490 ...

Страница 214: ...ose the thermistor retaining spring Align the thermistor with the end of the retaining spring 4 Disconnect the thermistor assembly for outdoor air heat exchanger discharge pipe connector S90 Step Procedure Points Thermistor retaining spring Heat exchanger thermistor R4493 S90 For discharge pipe For outdoor air For heat exchanger R4494 ...

Страница 215: ...e partition plate according to the removal of partition plate 1 Untie the fixing strap of the sound insulation pad outer shell The slits of the sound insulation pad for piping are apt to break off Pay attention when removing 2 Pull out the sound insulation pad outer shell Step Procedure Points Sound insulation pad outer shell R4495 ...

Страница 216: ...iENBE04 512A Outdoor Unit RK X H C ARK X H C R Y N C Removal Procedure 207 3 Remove the sound insulation pad top 4 Remove the sound insulation pad under Step Procedure Points Sound insulator under R4500 ...

Страница 217: ...04 512A 208 Removal Procedure 5 Open the sound insulation pad inner shell and pull it out The slits of the sound insulation pad for piping are apt to break off Pay attention when removing Step Procedure Points Sound insulation pad inner shell R4566 ...

Страница 218: ...tep Procedure Points 1 Remove the parts around the compressor Preparation Remove the compressor sound insulation pad according to the removal of compressor sound insulation pad 1 Remove the terminal cover by removing the hexagonal nut 2 Disconnect the compressor lead wire Terminal cover Hexagoual nut Rubber packing R4567 W Blue Compressor lead wire Compressor protective thermostat V Yellow U Red R...

Страница 219: ...ompressor terminal and the nameplate Be careful not to burn the heat exchanger fin Warning The refrigerator oil of the compressor may catch fire Provide wet cloth for prompt extinction in emergency Caution From the point of view of environmental protection do not release the refrigerant gas to the atmosphere but always collect it with use of a collecting device 1 Remove the nut of the compressor B...

Страница 220: ...e valve should not be heated Keep the valve temperature below 120 C When disconnecting the pipe be careful not to crush it by pliers with undue force If the pipe is hard to disconnect by means of a gas welding machine 1 Disconnect the pipe connection soldered portion which is easy to disconnect and reconnect 2 Cut off the pipe of the valve body with use of a copper pipe cutter and disconnect it NO...

Страница 221: ...as leaks during work ventilate the room In case the refrigerant gas is exposed to fire it will cause toxic gas Caution From the point of view of environmental protection do not release the refrigerant gas to the atmosphere in repairing the refrigerant circulating system but always collect it with use of a collecting device 1 To remove the coil of the four way valve remove the screw 2 Remove the co...

Страница 222: ...uickly 2 It is necessary to prevent the gaskets from deterioration due to carbonization of oil in the four way valve or effect of heat Therefore wrap the four way valve body with wet cloth and add water occasionally so that it should not get dry and the valve should not be heated Keep the valve temperature below 120 C When disconnecting the pipe use care not to crush it by pliers with undue force ...

Страница 223: ...s heated by the gas welding machine Caution From the point of view of environmental protection do not release the refrigerant gas to the atmosphere in repairing the refrigerant circulating system but always collect it with use of a collecting device NOTE Never use a metal cutting saw for cutting off the pipe It produces metallic sawdust that may enter the pipe Caution From the point of view of env...

Страница 224: ...rigerant gas is exposed to fire it will cause toxic gas Caution Be careful not to get burned by the pipes heated by the gas welding machine Caution From the point of view of environmental protection do not release the refrigerant gas to the atmosphere in repairing the refrigerant circulating system but always collect it with use of a collecting device 1 Remove the coil of the electronic expansion ...

Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure ...

Страница 226: ...SiENBE04 512A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219 ...

Страница 227: ...ing 1 Measure the supply voltage and make sure that it falls in the specified range 2 Trial operation should be carried out in either cooling or heating mode 3 Carry out the test operation in accordance with the Operation Manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requires a small amount of power in its standby mode If the system ...

Страница 228: ...parts box 4 Cut the jumper JA on PCB Infrared remote control 1 Slide the front cover and take it off 2 Cut the address jumper J4 1 2 2 Jumper Setting R2871 R4562 PCB JA JB JC 1 2 EXIST CUT ADDRESS Sensor parts cover Electric parts box Claws 4 point Metallic cover J4 ADDRESS JA J4 EXIST 1 Address 2 CUT Jumper On indoor control PCB Function When connected factory set When cut JC Power failure recove...

Страница 229: ...Others SiENBE04 512A 220 Others ...

Страница 230: ...SiENBE04 512A Appendix 221 Part 9 Appendix 1 Piping Diagrams 222 1 1 Indoor Units 222 1 2 Outdoor Units 223 2 Wiring Diagrams 229 2 1 Indoor Units 229 2 2 Outdoor Units 230 ...

Страница 231: ...5CVMB 9 ATXS20 25 35DVMB FTYN20 25 35CVMB9 ATXS20 25 35DAVMB M 4D033698E FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT 7 9CuT REFRIGERANT FLOW FAN MOTOR ON HEAT EXCH THERMISTOR INDOOR UNIT COOLING 7 0CuT 6 4CuT 9 5CuT HEAT EXCHANGER 6 4CuT 6 4CuT CROSS FLOW FAN FIELD PIPING 6 4CuT FIELD PIPING 9 5CuT 7 9CuT CROSS FLOW FAN FAN MOTOR M INDOOR UNIT 7 0CuT 6 4CuT REFRIGERANT FLOW COOLING HEATING 9 5CuT HEAT...

Страница 232: ...ITH FILTER MUFFLER WITH FILTER LIQUID STOP VALVE GAS STOP VALVE DISCHARGE PIPE THERMISTOR FOUR WAY VALVE NORMALLY OFF MOTOR OPERATED VALVE 3D043690C 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT MUFFLER PROPELLER FAN HEAT EXCHANGER 7 9CuT 7 9CuT M COMPRESSOR 9 5CuT 4 8CuT 4 8CuT 9 5CuT ACCUMULATOR 6 4CuT 9 5CuT 6 4CuT FILTER MUFFLER 9 5CuT 6 4CuT FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW...

Страница 233: ...LATOR DISCHARGE PIPE THERMISTOR MUFFLER WITH FILTER HEAT EXCHANGER THERMISTOR OUTDOOR TEMPERATURE THERMISTOR MOTOR OPERATED VALVE LIQUID STOP VALVE GAS STOP VALVE 3D048297 7 9CuT 7 9CuT 7 9CuT OUTDOOR UNIT 7 9CuT PROPELLER FAN HEAT EXCHANGER M 7 9CuT 6 4CuT 9 5CuT 6 4CuT REFRIGERANT FLOW COOLING 9 5CuT 6 4CuT 6 4CuT DRIER FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT MUFFLER MUFFLER COMPRESSOR ACCUMULAT...

Страница 234: ...ITH FILTER LIQUID STOP VALVE GAS STOP VALVE DISCHARGE PIPE THERMISTOR FOUR WAY VALVE NORMALLY OFF MOTOR OPERATED VALVE 3D043690C 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT MUFFLER PROPELLER FAN HEAT EXCHANGER 7 9CuT 7 9CuT M COMPRESSOR 9 5CuT 4 8CuT 4 8CuT 9 5CuT ACCUMULATOR 6 4CuT 9 5CuT 6 4CuT FILTER MUFFLER 9 5CuT 6 4CuT FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW COOLING 3D043691D O...

Страница 235: ...TH FILTER MUFFLER WITH FILTER LIQUID STOP VALVE GAS STOP VALVE DISCHARGE PIPE THERMISTOR FOUR WAY VALVE NORMALLY OFF MOTOR OPERATED VALVE 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT MUFFLER PROPELLER FAN HEAT EXCHANGER 7 9CuT 7 9CuT M COMPRESSOR 9 5CuT 4 8CuT 4 8CuT 9 5CuT ACCUMULATOR 6 4CuT 9 5CuT 6 4CuT FILTER MUFFLER 9 5CuT 6 4CuT FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW COOLING HE...

Страница 236: ...STOR HEAT EXCHANGER THERMISTOR MOTOR OPERATED VALVE LIQUID RECEIVER WITH FILTER FOUR WAY VALVE ON HEATING DISCHARGE PIPE THERMISTOR LIQUID STOP VALVE GAS STOP VALVE 3D048295 9 5CuT 7 9CuT 7 9CuT OUTDOOR UNIT MUFFLER PROPELLER FAN HEAT EXCHANGER 7 9CuT M 9 5CuT 7 9CuT 9 5CuT 6 4CuT 9 5CuT DRIER 6 4CuT MUFFLER REFRIGERANT FLOW COOLING HEATING 9 5CuT 6 4CuT 6 4CuT FIELD PIPING FIELD PIPING 6 4CuT 9 5...

Страница 237: ... MUFFLER WITH FILTER LIQUID STOP VALVE GAS STOP VALVE DISCHARGE PIPE THERMISTOR FOUR WAY VALVE NORMALLY OFF MOTOR OPERATED VALVE 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT MUFFLER PROPELLER FAN HEAT EXCHANGER 7 9CuT 7 9CuT M COMPRESSOR 9 5CuT 4 8CuT 4 8CuT 9 5CuT ACCUMULATOR 6 4CuT 9 5CuT 6 4CuT FILTER MUFFLER 9 5CuT 6 4CuT FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW COOLING HEATING 3D0...

Страница 238: ...C70 S6 FUSE M PROTECTIVE EARTH RUNNING CAPACITOR M1S S7 indoor S1 1 t M M1F C70 140 C 3 15A Fu H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR PCB1 PCB3 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S1 S36 CONNECTOR S1W OPERATION SWITCH X1M TERMINAL STRIP H2 H3 H1 GRN WHT RED BLK YLW X1M 2 3 1 CAUTION FIELD WIRING 2 3 1 outdoor WIRELESS REMOTE CONTROLLER NOTE THAT OPERATION WILL RESTART AUTOMATICALLY ...

Страница 239: ...1 PCB2 R1T 1 CONDENSER BLK t BLK S90 HC3 R2T BLK DB2 t BLK DISCHARGE R3T BLK 6 t BLK S70 C75 C74 1 HC4 WHT 2 ORG 1 3 M BRN 4 M1F BLU C94 3 15A 7 FU2 RED C95 2 Q1L S40 BLK GRY 1 S30 W W 5 BLU M1C IPM1 V V 3 YLW U 1 U N 2 Z1C RED IN CASE OF COOLING ONLY TYPE IN CASE OF HEAT PUMP TYPE 3D042576H 3D046991 NOTE N L 1 REFER TO THE NAMEPLATE FOR THE POWER REQUIREMENTS FIELD WIRING L PCB X1M L1 L1R M1F M1C...

Страница 240: ...20 R1T R2T R3T S20 S70 S80 S90 V2 V3 SA1 L1 MAGNETIC RELAY NEUTRAL OVERLOAD PROTECTOR THERMISTOR SURGE ARRESTER outdoor CONNECTOR S70 PCB M1F 1 BLK MRL 1 3 M WHT C80 6 3 15A RED MRCW FU1 3 Y1R V1 BLU V1 V2 V3 Y1E Y1R IPM1 Z1C Z3C IC11 BLU 1 MRM10 S80 MRM20 OUTDOOR L1R Z3C HR1 TRIAC FERRITE CORE INTELLIGENT POWER MODULE VARISTOR PROTECTIVE EARTH ELECTRONIC EXPANSION VALVE COIL REVERSING SOLENOIDE V...

Страница 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix ...

Страница 242: ...eck 136 compressor 177 209 compressor lock 109 compressor overload 108 compressor protection function 54 connectors 30 32 34 connectors fan motor 163 four way valve 169 control PCB indoor unit 31 153 control PCB outdoor unit 33 34 179 cover stop valve cover 162 terminal cover 175 D DC fan lock 110 DC voltage current sensor abnormality 118 defrost control 57 diagnosis mode 99 discharge pipe 59 disc...

Страница 243: ...ol in cooling 115 HL3 32 HN3 32 HOME LEAVE operation 45 81 horizontal blade 146 hot start function 47 I indoor heat exchanger thermistor 106 148 indoor unit PCB abnormality 102 input current control 55 input over current detection 111 installation condition check 133 instruction 67 insufficient gas 127 insufficient gas control 61 INTELLIGENT EYE 43 INTELLIGENT EYE operation 83 INTELLIGENT EYE sens...

Страница 244: ...0 S36 30 S40 32 S6 30 148 S7 30 148 S70 32 34 163 188 S80 32 34 169 188 S90 32 34 189 safety precautions 67 self diagnosis digital display 47 sensor malfunction detection 61 service check function 98 service cover 143 shelter 151 162 signal receiver PCB 31 signal receiving sign 47 signal transmission error 107 sound blanket 173 sound insulation pad 200 specifications 10 starting operation control ...

Страница 245: ...SiENBE04 512A iv Index wiring diagrams 229 ...

Страница 246: ...oor unit PCB abnormality 102 input current control 55 input over current detection 111 installation condition check 133 insufficient gas 127 insufficient gas control 61 INTELLIGENT EYE 43 INTELLIGENT EYE sensor PCB 31 inverter features 37 inverter POWERFUL operation 46 inverter units refrigerant system check 135 J jumper settings 219 M mode hierarchy 50 N night set mode 42 O OL activation compress...

Страница 247: ...ontrol 60 thermistor or related abnormality indoor unit 106 thermistor or related abnormality outdoor unit 119 thermistor resistance check 132 trial operation from remote control 218 turning speed pulse input on the outdoor unit PCB check 136 W wiring diagrams ARK X S20 25 35C2VMB 230 ARK X S20 25 35CVMB 9 230 ARKH20 25 35CVMB7 230 ARXH20 25 35CVMB7 231 ATK X S20 25 35CVMB 9 229 ATK X S20 25 35DVM...

Страница 248: ... No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and services presented therein Specifications are subject to change without prior notice Daikin Europe N V explicitly rejects any liability for any direct or indirect damage In the broadest sense arising from or related to the use and or interpretatio...

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