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Panasonic CS-XE15SKUA, Руководство по обслуживанию

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68 

15.4.14  H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) 

Malfunction Decision Conditions 

  During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe 

temperature sensor are used to determine sensor errors. 

 
Malfunction Caused 

 Faulty 

connector 

connection. 

 Faulty 

sensor. 

 Faulty 

PCB. 

 
Troubleshooting 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

When abnormality indication starts again.

For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.

Is the measured resistance of the outdoor liquid pipe
temperature sensor matches the value specified in its
characteristic chart?

Is the connector connection normal?

YES

YES

Check the outdoor discharge pipe temperature sensor:

Plug out connector from the outdoor unit PCB.
Measure the resistance of the outdoor discharge pipe
temperature sensor.

Check the connector connection:

Turn off the power.
Check the connector connection.

Connector poor contact.
Correct the connection.

Defect in outdoor unit PCB.
Replace the outdoor unit PCB.

Defect in outdoor discharge pipe
temperature sensor.
Replace the outdoor discharge pipe
temperature sensor.

NO

NO

Caution

Содержание CS-XE15SKUA

Страница 1: ...cal parts should be replaced with manufacturer s specified parts to prevent shock fire or other hazards Do not modify the original design without permission of manufacturer This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in...

Страница 2: ...ion Function RFP Operation 36 12 12 AUTO COMFORT and ECONAVI Operation 36 12 13 Electric Heater Control 1 40 12 14 Electric Heater Control 2 41 12 15 Base Pan Heater Control 41 13 Protection Control 42 13 1 Protection Control For All Operations 42 13 2 Protection Control For Cooling Soft Dry Operation 44 13 3 Protection Control For Heating Operation 45 14 Servicing Mode 47 14 1 Auto OFF ON Button ...

Страница 3: ...ed Testing Agency and that is suitable for the voltages and amperages involved Otherwise if may cause electrical shock and fire in case of equipment breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified Indoor Outdoor connection cable refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp th...

Страница 4: ... fin It may cause injury 5 Select an installation location which is easy for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high ...

Страница 5: ... 34 Power Level dB 61 61 Outdoor Noise H L QLo dB A 51 51 Power Level dB 66 66 Heating Capacity kW 0 98 5 28 7 03 0 98 5 28 7 03 BTU h 3300 18000 24000 3300 18000 24000 kcal h Running Current A 6 7 5 9 Input Power W 200 1 30k 2 65k 200 1 30k 2 65k COP W W 4 90 4 06 2 65 4 90 4 06 2 65 BTU hW 16 50 13 80 9 05 16 50 13 80 9 05 kcal hW Power Factor 93 96 Indoor Noise H L QLo dB A 47 37 34 47 37 34 Po...

Страница 6: ... 3 2 7 Indoor Airflow QLo Cool m 3 min ft 3 min 9 56 340 Heat m 3 min ft 3 min 9 56 340 Lo Cool m 3 min ft 3 min 10 56 370 Heat m 3 min ft 3 min 10 56 370 Me Cool m 3 min ft 3 min 13 10 460 Heat m 3 min ft 3 min 13 76 485 Hi Cool m 3 min ft 3 min 15 6 550 Heat m 3 min ft 3 min 16 9 595 SHi Cool m 3 min ft 3 min 15 98 560 Heat m 3 min ft 3 min 18 15 640 Outdoor Airflow Hi Cool m 3 min ft 3 min 43 2...

Страница 7: ...at Electronic Control Protection Device Electronic Control Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum F C 89 6 32 73 4 23 Minimum F C 60 8 16 51 8 11 Heating Maximum F C 86 0 30 Minimum F C 60 8 16 Outdoor Operation Range Cooling Maximum F C 114 8 46 78 8 26 Minimum F C 0 17 8 Heating Maximum F C 75 2 24 64 4 18 Minimum F C 15 26 1 16 26 7 1 Cooling capacities are based on indoor tem...

Страница 8: ...ge protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 24 hour timer setting o RFP Room Freeze Protection operation is designed to circulate the air in High mode for monitoring the...

Страница 9: ...stances 26ft 8m Indicator POWER Green AUTO COMFORT Green RFP Green QUIET Orange POWERFUL Orange TIMER Orange Green Air inlet rear Air outlet Air inlet side CLOCK AIR CONDITIONER OFF ON SET CHECK RESET AC RC ON OFF SET 1 2 3 TIMER AUTO COMFORT POWERFUL QUIET MODE TEMP FAN SPEED AIR SWING ECONAVI RFP M ODE OFF ON CHECK ON OFF SET 1 2 3 TIMER TEMP CANCEL LCD display ECONAVI operation Operation mode R...

Страница 10: ...irection Air intake direction Right piping hole 4 3 4 119 1 4 1 32 105 8 2 3 16 60 2 3 16 60 10 1 16 255 11 5 8 295 2 3 16 60 1 11 16 41 5 16 3 16 410 10 3 16 264 2 1 5 8 2 7 16 41 61 3 7 16 87 2 17 32 64 Remote Control Holder Remote Control 6 5 16 160 2 5 16 59 7 8 22 19 19 32 497 2 34 9 32 870 5 1 16 128 5 1 16 128 5 1 16 128 9 17 32 241 5 9 17 32 241 5 17 432 17 9 32 439 CLOCK AIRCO N DITIO NER...

Страница 11: ... 4 63 64 25 5 3 16 131 24 5 32 613 5 3 16 131 1 1 2 38 5 31 32 151 14 7 32 360 5 27 3 8 695 3 5 32 85 2 25 32 70 1 3 16 30 12 5 8 320 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure Anchor Bolt Pitch 14 7 32 360 5 x 24 5 32 613 Space necessary for installation 3 15 16 10 cm 43 100 cm 3 15 16 10 cm ...

Страница 12: ...PE TEMP SENSOR 1 PIPE TEMP SENSOR 2 PIPE TEMP SENSOR AIR TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR HEAT EXCHANGER CONDENSER PROCESS TUBE STRAINER RECEIVER EXPANSION VALVE 4 WAYS VALVE COMPRESSOR TEMP SENSOR ...

Страница 13: ...REACTOR CT400 PTC1 RY AC RY PWR PTC2 FUSE2 FUSE 301 SC TEMPERATURE FUSE FUSE3 L1 L2 SINGLE PHASE POWER SUPPLY 1Ø208 230V 60Hz INDOOR UNIT OUTDOOR UNIT 1 2 3 DB2 NTC TH1 NTC DB1 4 WAYS VALVE SC RY C RY HOT RY HT1 CR3 HEATER Q1 W V M NOISE FILTER M ...

Страница 14: ... CN CNT WHT 5 1 CN RMT WHT 4 1 CN CLN GRN 4 1 ELECTRONIC CONTROLLER MAIN AUTO SW SW01 6 1 CN TH RED CN STM2 YLW 5 CN STM3 GRN 1 5 CN STM4 BLU 1 5 CN MSENS WHT 1 3 t t t PIPING TEMP SENSOR 2 THERMISTOR PIPING TEMP SENSOR 1 THERMISTOR SUCTION TEMP SENSOR THERMISTOR W W W W W BR R O Y P 5 M UP DOWN LOUVER MOTOR INNER W W W ELECTRONIC CONTROLLER COMPARATOR CN MSSTM WHT 1 8 1 P Y O R BR 5 M ECO SENSOR ...

Страница 15: ... 1 6 ELECTRO MAGNETIC COIL EXPANSION VALVE ELECTROMAGNETIC COIL 4 WAY VALVE COMP TEMP SENSOR THERMISTOR OUTDOOR AIR TEMP SENSOR THERMISTOR 4 3 t t t 7 MS 3 M M V W U V W REMARKS BLU BLUE BLK BLACK WHT WHITE RED RED YEL YELLOW GRY GRAY GRN GREEN ORG ORANGE YEL GRN YELLOW GREEN BRW BROWN GRY GRY 1 3 COMMUNICATION CIRCUIT NOISE FILTER CIRCUIT ELECTRONIC CONTROLLER FAN MOTOR BLU PFC CIRCUIT RECTIFICAT...

Страница 16: ...C51 1000p 50V R90 10k R82 10k R403 13 0k 1 C403 0 1µ 25V R402 10 0k 1 R401 27 0k 1 6 5 2 8 4 7 1 3 GND IC401 VCC 5V_3 G2 5V_3 5V_3 G2 G2 G2 C407 0 1µ 25V 6 5 7 IC402 5V_6 G2 R408 62 0k 1 R213 1 2 3 Vout Vcc GND GND GND 5 4 IC201 GND A R209 47 5V_ 5V_ GND A GND A R214 1 0k 1 JP204 GND VCC 12V 1 2 3 4 5 6 7 16 9 8 15 14 13 12 11 10 IC06 G2 C40 R74 5V R58 1M 1 4 7k 10k C3 0 1µ 16V C1 0 1µ 16V 12V c e...

Страница 17: ...LU YEL RED RED BLU BLU YEL RED BLU YEL YEL WHT BLK COMPRESSOR CN TH1 WHT CN TANK WHT CN EV WHT CN HOT BLU 1 1 1 3 3 1 1 1 6 ELECTRO MAGNETICCOIL EXPANSION VALVE ELECTROMAGNETIC COIL 4 WAY VALVE COMP TEMP SENSOR THERMISTOR 50k 3950 OUTDOOR AIR TEMP SENSOR THERMISTOR 15k 3950 4 3 t t t 7 MS 3 M M V W U V W GRY GRY 1 3 COMMUNICATION CIRCUIT NOISE FILTER CIRCUIT ELECTRONIC CONTROLLER FAN MOTOR BLU PFC...

Страница 18: ...ain Printed Circuit Board 10 1 2 Indicator Printed Circuit Board AC303 CN STM2 CN STM1 CN STM3 CN MSENS CN STM4 CN RCV CN DISP CN RMT JP1 Random Auto Restart enable disable CN CNT CN CLN CN TH CN FM LED301 LED302 LED304 LED305 LED307 LED306 LED303 CN DISP ...

Страница 19: ...19 10 1 3 Receiver Printed Circuit Board 10 1 4 Comparator Printed Circuit Board 10 1 5 Human Activity Sensor Printed Circuit Board CN RCV CN STM CN MSSTM CN SENS CN SENS ...

Страница 20: ...it 10 2 1 Main Printed Circuit Board 10 2 2 Heater Printed Circuit Board CN HOT HT1 ACL CN TH1 AC BLK CN EV CN TANK COM3 CN DCFM CURRENT TRANSFORMER CT POWER TRANSISTOR IPM CN HT1 CN HT2 AC WHT FG01 CN HT2 CN HT1 HT1 ACL ...

Страница 21: ... m distance the quantity of additional refrigerant should be 2 46 oz 62 5 g 32 8 24 6 ft x 0 3 oz ft 2 46 oz 10 7 5 m x 25 g m 62 5 g 11 1 3 Indoor Outdoor Unit Installation Diagram Model Capacity Btu h Piping size Std Length Max Elevation Min Piping Length Max Piping Length Additional Refrigerant Piping Length for add gas Gas Liquid XE15SKUA 15000 1 2 12 7 mm 1 4 6 35 mm 24 6 ft 7 5 m 49 2 ft 15 ...

Страница 22: ...ation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 5 1 16 128 mm for left and right hole respectively o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 11 2 1 T...

Страница 23: ...door outdoor unit installation Install the Indoor Unit Secure the Indoor Unit Insulate and finish the piping Step 1 Pull the connection cable into Indoor Unit Step 3 Cut and flare the embedded piping Step 4 Step 2 Step 5 Step 6 Step 7 Step 8 Install the indoor unit Right Rear piping Hook the indoor unit onto the upper portion of installation plate Engage the indoor unit with the upper edge of the ...

Страница 24: ...pply putty or caulking material to seal the wall opening Connection cable Piping PVC tube VP 65 for piping and connection cable PVC tube for drain hose VP 30 PVC tube for drain hose VP 20 Drain hose from main unit 2 27 32 72 mm More than 18 1 2 470 mm More than 45 9 32 1150 mm More than 27 9 16 700 mm Indoor unit drain hose 3 4 20 mm nominal PVC pipe Install incline downward more than 1 Apply PVC ...

Страница 25: ...Green Y G in colour and shall be longer than other lead wires as shown in the figure for electrical safety in case of slipping 11 2 3 1 Wire Stripping and Connecting Requirement Terminals on the indoor unit 1 2 3 Colour of wires connection cable Terminals on the outdoor unit 1 2 3 WARNING This equipment must be properly earthed Holder Chassis Conduit Connector Conduit Cover Lock Nut Rear Side of I...

Страница 26: ... nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 2 2 Connecting the Piping to Outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut located at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified to...

Страница 27: ...nections are tightened further continue working from step If the leak does not stop when the connections are retightened repair location of leak Do not release refrigerant during piping work for installation and reinstallation Be careful with the liquid refrigerant it may cause frostbite 11 3 4 Connect the Cable to the Outdoor Unit 1 Remove control board cover Resin and Metal 2 Remove particular p...

Страница 28: ... piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs are not removed gas leakage may be caused Turn the piping end down to avoid the metal powder entering the pipe 3 Please make flare after inserting the flare nut onto the copper pipes Outdoor Unit 1 2 3 1 2 L1 L2 3 l a n i m r e T l a n i m r e T Indoor Unit Disconnect Switch Field supply Gr...

Страница 29: ...n below o Use a rigid or flexible PVC pipe local supply to dispose drained water from the elbow or use a stainless steel tray local supplied to collect and dispose water If the unit is used in an area where temperature falls below 32 F 0 C for 2 or 3 consecutive days it is recommended not to use the Drain elbow and Rubber caps water from defrost process will trap freeze up and obstruct fan rotatio...

Страница 30: ...ostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 7 F 1 5 C continue for 3 minutes When compressor is OFF Thermostat OFF and AUTO FAN is set the fan will stop periodically Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 12 1 3 Soft Dry Operation 12 1 3 1 Thermostat control Compress...

Страница 31: ...de then continue in DRY mode otherwise COOL mode is decided o If 3 6 F 2 C indoor intake temperature remote control setting temperature 5 4 F 3 C maintain with previous mode o If indoor intake temperature remote control setting temperature 3 6 F 2 C HEAT mode is decided 12 1 6 Fan Operation Fan Operation is used to circulate air in a room During operation indoor fan run continuously but outdoor fa...

Страница 32: ...or error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation During cooling operation and outdoor ambient temperature is below 46 4 F 8 C outdoor fan spee...

Страница 33: ...Cooling Auto 45 70 2 39 Manual 20 25 50 55 70 2 7 17 27 39 Soft Dry Auto 45 70 2 39 Manual 20 25 50 55 70 2 7 17 27 39 1 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above For heating mode operation the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below It does not swing during fan mot...

Страница 34: ...iet operation stop condition When one of the following conditions is satisfied quiet operation stops POWERFUL QUIET button is pressed again Stop by OFF ON switch Timer off activates AUTO COMFORT button is pressed ECONAVI button is pressed When quiet operation is stopped operation is shifted to normal operation with previous setting When fan speed is changed quiet operation is shifted to quiet oper...

Страница 35: ...t different preset time If more than one timer had been set the upcoming timer will be displayed and will activate in sequence 12 8 1 ON Timer Control ON timer 1 and ON timer 2 can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 minutes before the set time indoor at fa...

Страница 36: ...ssional for details The Room Freeze Protection function RFP cannot be used unless the unit is energized and set into the RFP mode In the advent of a power failure this mode will not function During the RFP mode POWERFUL OPERATION QUIET OPERATION and FAN SPEED selection are all disabled Please consult with your HVAC installer or professional for more details 12 12 AUTO COMFORT and ECONAVI Operation...

Страница 37: ...ed based on the frequency of pulses detected by the infrared sensors within a timeframe The activity level will be categorized into High Normal Low level When a pulse is detected within this timeframe the status of human presence is judged When there is no signal detection continues for 40 minutes or more the status of human absence is judged Signal Detection Information Log Human Activity Level J...

Страница 38: ...n Low activity Normal activity Human Mode Set temperature High activity Absent ECONAVI Detecting human presence and activity the unit controls room temperature to save energy Low activity Normal activity Human Mode Set temperature High activity Absent Set Fan Speed AUTO COMFORT Detecting human presence and activity the unit controls room temperature to keep human comfortable consistently HEAT COOL...

Страница 39: ...e to operate without AUTO COMFORT ECONAVI 12 12 1 8 Human Activity Sensor Check Mode To enable human activity sensor abnormality check mode During ECONAVI is ON when CHECK signal received if either sensors has abnormality the 4 times abnormality counter is ignored ECONAVI Indicator will blink immediately and error code is memorized The unit could operate without ECONAVI or AUTO COMFORT The ECONAVI...

Страница 40: ... a while when Temp difference 7 2 F 4 C Heater ON Intake air temperature control Evaporator pipe sensor control Indoor Fan speed Lo Fan Control content o Electric heater will be switch ON when all condition for starting condition fulfilled o Once Electric heater switched ON It will operate at least 3 minutes When air conditioning is switched ON Heater ON Temp difference Remote controller setting I...

Страница 41: ...ication o Power 100 W o Voltage 230 V Purpose o To control base pan heater cable operation to melt ice on base pan during heating operation Starting conditions o When outdoor air temperature less than or same 41 0 F 5 C and A C operation is heating Control contents o Power supply to base pan heater is ON Cancel conditions o When outdoor air temperature exceeds entry condition by 35 6 F 2 C after d...

Страница 42: ...74 Heating 11 95 14 74 Cooling Soft Dry C 8 77 14 74 4 The first 30 minutes of cooling operation A will be applied 13 1 3 IPM Power transistor Prevention Control Overheating Prevention Control 1 When the IPM temperature rises to 248 F 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temperature decreases to 230 F 110 C 3 If this condition repeats...

Страница 43: ...conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 13 1 6 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 24 Hz continued for 20 minutes the operation frequency will be changed to 23 Hz for 2 minutes 13 1 7 Low Frequency Protection Control 2 When all the below conditions comply the compressor freq...

Страница 44: ...ze Prevention Control 1 When indoor heat exchanger temperature is lower than 32 F 0 C continuously for 6 minutes compressor will stop operating Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 41 F 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger temperature is higher than 41 F 5 C for 5 minu...

Страница 45: ... 2 Compressor ON Compressor OFF The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds 13 3 Protection Control For Heating Operation 13 3 1 Intake Air Temperature Control Compressor will operate at limited freq if indoor intake air temperature is 86 F 30 C or above 13 3 2 Outdoor Air Temperature Control The Max current value is regulated when the outdoor air temp...

Страница 46: ...ature is low cold draught operation starts where indoor fan speed will be reduced 13 3 6 Deice Operation When outdoor pipe temperature and outdoor air temperature is low deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks ...

Страница 47: ...de is in standby condition and press AC RESET button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal ...

Страница 48: ...it will run Cooling or DRY operation After 30s sampling the unit will judge the operation mode base on remote controller temperature setting and Indoor Intake Sensor New Auto Mode or Outdoor Intake Sensor Old Auto Mode HEAT The unit will stop and Power LED blinking The unit will run Heating operation COOL The unit will run Cooling operation The unit will run Cooling operation DRY The unit will run...

Страница 49: ...on o Press TEMP increment or decrement button to choose No 5 o Press Timer increment or decrement button to select desired temperature low limit of set temperature for HEAT mode o Press Timer Set button to confirm low limit selection o Press TEMP increment or decrement button to choose No 6 o Press Timer decrement or increment button to select desired temperature high limit of set temperature for ...

Страница 50: ...uring electric current during operation Measuring gas side pressure Excessive amount of refrigerant Inefficient compressor Insufficient refrigerant Insufficient refrigerant Inefficient compressor Clogged strainer or capillary tube Clogged strainer capillary tube or expansion valve Less than 14 4 F 8 C at the cooling mode Less than 25 2 F 14 C at the heating mode More than 14 4 F 8 C 15 minutes aft...

Страница 51: ...e Electric current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurement of pressure electric current and temperature fifteen minutes after an operation is started ...

Страница 52: ...ote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit The power LED lights up If no abnormality is stored in the memory th...

Страница 53: ...ad wire and connector H28 Outdoor heat exchanger temperature sensor 1 abnormality Continuous for 5s Outdoor heat exchanger temperature sensor 1 open or short circuit Outdoor heat exchanger temperature sensor 1 lead wire and connector H30 Outdoor discharge pipe temperature sensor abnormality Continuous for 5s Outdoor discharge pipe temperature sensor open or short circuit Outdoor discharge pipe tem...

Страница 54: ...tdoor PCB faulty F91 Refrigeration cycle abnormality 2 times happen within 20 minutes Refrigeration cycle abnormal Insufficient refrigerant or valve close F93 Compressor abnormal revolution 4 times happen within 20 minutes Compressor abnormal revolution Power transistor module faulty or compressor lock F94 Compressor discharge overshoot protection 4 times happen within 30 minutes Compressor discha...

Страница 55: ...mponent AC power supply abnormal fluctuation Defect in communication circuitry of outdoor unit PCB Replace the PCB Improper connection at terminals indoor outdoor Check indoor outdoor connecting cable Improper connection at terminals indoor outdoor Check indoor outdoor connecting cable Defect in receiver transmitter module of the communication circuitry in indoor unit PCB Replace the indoor unit P...

Страница 56: ... indoor and outdoor units Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the indoor and outdoor unit connection wires Is there any wiring error Check indoor and outdoor units model number Is indoor unit and outdoor unit model numbers matched Matched compatibility...

Страница 57: ... always switch off the power before remove and connect the component Connector poor contact Correct the connection Defect in outdoor unit PCB Replace the outdoor unit PCB Defect in indoor intake air temperature sensor Replace the indoor intake air temperature sensor Check the indoor intake air temperature sensor Plug out connector from the indoor unit PCB Measure the resistance of the indoor intak...

Страница 58: ...tion Defect in outdoor compressor temperature sensor Replace the outdoor compressor temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Turn off the power Check the connector connection YES YES Check the connector connection Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor compressor temperature sensor Check the outdoor compressor temperatur...

Страница 59: ...ction pressure and running current is normal Running current is much too low and suction pressure is much too high In forced cooling check suction pressure versus running current Running current and suction pressure is very low When abnormality indication starts again Check for gas leaking source Repair or replace defected part s Capillary tube expansion valve blockage Replace defected part s Comp...

Страница 60: ...hen abnormality indication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan motor Rotate the fan motor by hand is the rotation feedback voltage 15Vdc pin 7 4 generated Turn off power supply and disconnect fan motor connector then turn power on Check the output of fan motor from ind...

Страница 61: ...connection Defect in outdoor unit PCB Replace the outdoor unit PCB Defect in outdoor intake air temperature sensor Replace the outdoor air temperature sensor NO NO YES YES Check the connector connection Turn off the power Is the connector connection normal Check the connector connection Check the outdoor air temperature sensor Is the measured resistance of the outdoor air temperature sensor matche...

Страница 62: ...ndication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Turn off the power Check the connector connection Defect in outdoor air temperature sensor Replace the outdoor air temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB NO NO YES YES Check the outdoor air temperature sensor Plug out co...

Страница 63: ...o prevent component breakdown always switch off the power before remove and connect the component No No YES YES Check the outdoor heat exchanger temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor heat exchanger temperature sensor Check the connector connection Turn off the power Check the connector connection Connector poor contact Correct the con...

Страница 64: ... remove and connect the component Is the measured resistance of the outdoor discharge pipe temperature sensor matches the value specified in its characteristic chart Is the connector connection normal YES YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Check the connector co...

Страница 65: ...re remove and connect the component Is the measured resistance of the outdoor heat exchanger temperature sensor matches the value specified in its characteristic chart Is the connector connection normal YES YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Check the connector ...

Страница 66: ...e Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Match the compatible model follow specification Replace the indoor and outdoor unit PCB Change for the specified indoor or outdoor unit PCB Check indoor and outdoor units model number Check indoor and outdoor PCB part nu...

Страница 67: ...and connect the component Is the measured resistance of the outdoor gas pipe temperature sensor matches the value specified in its characteristic chart Is the connector connection normal YES YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Check the connector connection Turn ...

Страница 68: ...remove and connect the component Is the measured resistance of the outdoor liquid pipe temperature sensor matches the value specified in its characteristic chart Is the connector connection normal YES YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Check the connector connec...

Страница 69: ...dication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan motor Rotate the fan motor by hand is the rotation feedback voltage 15Vdc pin 1 4 generated Turn off power supply and disconnect fan motor connector then turn power on Check the output of fan motor from indoor PCB Is the mot...

Страница 70: ...kdown always switch off the power before remove and connect the component Clean the air filter Is the air filter dirty Check the dust accumulation on the indoor unit heat exchanger Is the indoor unit heat exchanger dirty Is the measured resistance of the indoor pipe temperature thermistor matches the value specified in its characteristic chart Check the indoor pipe temperature thermistor Plug out ...

Страница 71: ...son and to prevent component breakdown always switch off the power before remove and connect the component Is there any short circuit Check the indoor unit air filter Is the air filter dirty Check the dust accumulation on the indoor unit heat exchanger Is the indoor unit heat exchanger dirty Check if 2 3 way valve is closed Check if indoor fan motor operated normally Check if expansion valve or st...

Страница 72: ...thermistor matches the value specified in its characteristic chart The 4 way valve may have been damaged or wrongly connected between discharge and suction tube Problem occurs in heating mode only Is 4 way solenaid valve being energised Defect in indoor pipe temperature thermistor Replace the indoor pipe temperature thermistor 4 way valve not working not energize Check CN HOT connection 4 way valv...

Страница 73: ...lty sensor Faulty expansion valve Troubleshooting When F17 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the system wiring connection Is the wiring connection ok Check the indoor intake air and indoor pipe temperature sensors Does it conform to the sensor characteristic chart Check the expansion val...

Страница 74: ...witch off the power before remove and connect the component Replace the outdoor unit PCB Defect in PFC circuitry Replace outdoor fan motor Defect in outdoor fan motor Replace compressor Defect in compressor Replace reactor Defect in reactor AC power supply abnormal surge Reset the error code and turn on the unit again Is AC power supply normal fluctuation Is the DC voltage between DCP and DCN norm...

Страница 75: ...91 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check for gas leaking source Repair or replace defected part s Re claim and then re charge the right amount YES YES NO closed NO gas amount is OK Check 3 way valve Check for gas leaking source Refer to H16 Gas leaking Check other parts in refrigeration cycl...

Страница 76: ...ove and connect the component YES YES NO NO Connector poor contact Correct the connection IPM defective Replace compressor Replace outdoor unit PCB Check the U V and W connector connection Turn OFF the power Check the U V and W connector connection at outdoor PCB and compressor terminal Is the connector connection normal Disconnect the harnesses U V and W from the compressor terminal Is the blinki...

Страница 77: ...t the connector of outdoor heat exhanger thermistor from the PCB Measure the resistance of the outdoor heat exchanger thermistor Is there any improper heat radiation Is the outdoor fan motor operating Is the measured resistance of the outdoor heat exchanger thermistor matches the value specified in its characteristic chart Reset the error code and turn on the unit again Reinstall the outdoor unit ...

Страница 78: ...IPM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor Multi Models Only o Compressor OL connector poor contact o Compressor OL faulty Troubleshooting When F96 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the...

Страница 79: ...efore remove and connect the component Replace the compressor tank temperature sensor Repair the pipe flare or union nuts Reclaim and recharge refrigerant Open the 2 3 way valve Replace expansion valve and or strainer Reclaim and recharge refrigerant Procedure complete Check the compressor tank temperature sensor Does it conform to the sensor characteristic chart 2 3 way valve closed Check for gas...

Страница 80: ...ting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Replace the outdoor unit PCB Repair the pipe flare or union nuts Reclaim and recharge refrigerant Reclaim and recharge with correct amount of refrigerant Replace outdoor unit PCB Replace outdoor unit compressor When F98 indication happens Get restarted and measure the input...

Страница 81: ...Replace the outdoor unit PCB Compressor defective due to mechanical locked Replace compressor Compressor defective due to winding shorted Replace compressor Amplification IC defect Diode defect Defect in microcontroller Replace the outdoor unit PCB When abonormality indication starts again Reset the error code and turn on the unit again Is there no change even if all refrigerant is discharged Are ...

Страница 82: ...ocks 16 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 1 1 To remove front grille Figure 1 16 1 2 To remove electronic controller Figure 2 1 Remove 2 covers and 2 screws at the bottom of front grille 2 Lift to open the horizontal vane gently 3 Hold both sides of the front grille and remove it by pulling up and toward yourself gently 3 Hooks Top left right...

Страница 83: ...Detach the connectors CN2 Black GND Green and CN1 White then remove the high voltage generator 6 Remove the indicator complete then detach the connectors CN DISP and CN RCV 5 Detach the earth wire screw terminal wire Brown terminal wire Black terminal wire Red and earth wire screw Green 12 Pull out to remove the drain hose from the discharge grille 11 Detach the bottom plate then remove 2 screws o...

Страница 84: ...17 Remove the bearing by pulling it out gently 18 Push the holdfast to the left and lift up the evaporator 20 Fan motor can be removed after the removal of the cross flow fan 19 Remove the cross flow fan from the unit by pulling it to the left and downward Cross flow fan Evaporator Reminder To reinstall the fan motor adjust the fan motor connector to 90 towards you before fixing control board ...

Страница 85: ...85 Figure 10 Reminder To reinstall the cross flow fan ensure cross flow fan is in line as shown in figure 10 Cross Flow Fan ...

Страница 86: ...ectronic Controller Fig 3 4 Remove the Control Board Fig 4 5 Remove the 8 screws of the Electronic Controller Fig 5 Caution When handling electronic controller be careful of electrostatic discharge Screws Screws Top Panel Screws Screws Screws Front Panel Top Cover Release 6 terminal connectors Control Board Release 6 connectors Release the Hooks Screws Screws Electronic Controller ...

Страница 87: ...67 3270 3238 1478 18 64 4 5438 3587 811 4782 3197 1093 4433 3101 1290 3593 2709 1438 20 68 0 13 55 4 4355 4312 677 4074 4034 1081 3713 3676 1245 2527 2502 1411 16 60 8 4958 3991 1097 4883 3479 1387 4147 1722 1356 3201 2650 1472 17 1 2 CS XE15SKUA CU XE15SKUA Maximum Capacity Indoor C F Outdoor C F DB WB 20 4 0 10 14 0 0 32 0 5 41 0 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 27 80 6 19 66 2 5421 4686 ...

Страница 88: ... 1210 5144 1374 5370 1366 5788 1312 20 68 0 1285 425 1712 868 3132 1032 4031 1160 5280 1300 5584 1311 6018 1259 16 60 8 1195 409 1578 830 3109 1104 4024 1111 5411 1229 5734 1242 6179 1192 17 2 2 CS XE15SKUA CU XE15SKUA Maximum Capacity Indoor C F Outdoor C F DB 26 14 8 20 4 0 8 3 17 06 1 7 35 06 8 3 46 94 12 53 6 23 9 75 02 TC IP TC IP TC IP TC IP TC IP TC IP TC IP 24 75 2 2821 2188 3351 2395 4741...

Страница 89: ...7 56 13 3 66 18 8 76 24 4 86 30 0 96 35 5 106 41 1 116 46 6 Current A Gas Side Piping Pressure PSI MPa Outlet Air F C Outdoor Air Temperature F C 208 230 50 0 10 0 52 0 11 1 54 0 12 2 56 0 13 3 58 0 14 4 60 0 15 5 62 0 16 6 64 0 17 7 3 500 4 000 4 500 5 000 5 500 6 000 6 500 4 20 0 6 14 4 16 8 8 26 3 3 36 2 2 46 7 7 56 13 3 66 18 8 76 24 4 86 30 0 96 35 5 106 41 1 116 46 6 Outdoor Air Temperature ...

Страница 90: ... Air F C 15 26 1 5 20 5 5 15 15 9 4 25 3 8 35 1 6 45 7 2 55 12 7 65 18 3 75 23 8 Outdoor Air Temperature F C 208 230 80 0 26 6 85 0 29 4 90 0 32 2 95 0 35 0 100 0 37 7 105 0 40 5 110 0 43 3 115 0 46 1 3 500 4 000 4 500 5 000 5 500 6 000 6 500 7 000 7 500 15 26 1 5 20 5 5 15 15 9 4 25 3 8 35 1 6 45 7 2 55 12 7 65 18 3 75 23 8 Outdoor Air Temperature F C 15 26 1 5 20 5 5 15 15 9 4 25 3 8 35 1 6 45 7...

Страница 91: ...t 0 95 0 97 0 99 1 01 1 03 2 6 5 3 9 8 4 13 1 5 16 4 6 19 6 7 22 9 8 26 2 9 29 5 10 32 8 11 36 0 12 39 3 13 42 6 14 45 9 15 49 2 16 52 4 17 55 7 18 59 0 19 62 3 20 65 6 21 68 8 Piping length m ft Capacity correction factor 0 95 0 96 0 97 0 98 0 99 1 00 1 01 1 02 2 6 5 3 9 8 4 13 1 5 16 4 6 19 6 7 22 9 8 26 2 9 29 5 10 32 8 11 36 0 12 39 3 13 42 6 14 45 9 15 49 2 16 52 4 17 55 7 18 59 0 19 62 3 20 ...

Страница 92: ...pose of parts disassembly and replacement The non numbered parts are not kept as standard service parts CWH55025J CWH55051AJ O I I I I I 39 A B A 34 A 30 29 A A B B B B B A 23 43 42 10 1 3 4 46 45 44 59 58 60 57 33 8 7 39A 6 4A 2 9 24 27 28 25 31 32 31A 40 17 22 21 11 41 17A 18 13 19 14 20 36 38 37 35 12 22A ...

Страница 93: ...1 CWA98K1020 23 CAP DRAIN TRAY 1 CWH521259 24 SENSOR COMPLETE 1 CWA50C2800 25 ELECTRONIC CONTROLLER MAIN 1 ACXA73C08600 O 27 CONTROL BOARD CASING 1 CWH102564A 28 CONTROL BOARD TOP COVER 1 CWH131531 29 CONTROL BOARD FRONT COVER CO 1 CWH13C1309 30 TERMINAL BOARD COMPLETE 1 CWA28C2616 31 ELECTRONIC CONTROLLER INDICATOR 1 CWA747457 O 31A ELECTRONIC CONTROLLER RECEIVER 1 CWA747456 O 32 INDICATOR HOLDER...

Страница 94: ...SCRIPTION QTY CS XE15SKUA REMARK 59 ELECTRONIC CONTROLLER 1 CWA746917 O 60 ELECTRONIC CONTROLLER 1 CWA747279 O NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 95: ...is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts x 2 x 2 6 63 10 41 40 38 9 7 22 12 47 31 27 15 30 49 67 43 33 48 20 19 11 45 42 59 5 58 1 25 24 23 3 4 62 28 14 18 2 8 69 70 46 60 64 ...

Страница 96: ...CWA43C2392 O 28 V COIL COMPLETE EXP VALVE 1 ACXA43C00320 O 30 SENSOR COMPLETE AIR TEMP AND PIPE TEMP 1 CWA50C2710 O 31 REACTOR 1 G0C203J00003 O 33 TERMINAL BOARD ASSY 1 CWA28K1154 O 38 ELECTRONIC CONTROLLER MAIN 1 ACXA73C08610R O 40 CONTROL BOARD COVER TOP 1 CWH131333 O 41 CABINET SIDE PLATE LEFT 1 CWE041733A 42 HANDLE 1 CWE161010 43 CABINET SIDE PLATE RIGHT 1 CWE041732A 45 CABINET FRONT PLATE CO ...

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