Mitsubishi Electric Mr.Slim PUHZ-P100VHA Page 95 Service Manual Download | Manualshive

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95

OPERATING PROCEDURE

PHOTOS

4. Removing the thermistor <Outdoor 2-phase pipe> (TH6)

(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Disconnect the connectors, TH6 and TH7 (red), on the

controller circuit board in the electrical parts box.

(4) Loosen the clamp for the lead wire in the rear of the

electrical parts box.

(5) Pull out the thermistor <Outdoor 2-phase pipe> (TH6)

from the sensor holder.

Note: In case of replacing thermistor <Outdoor 2-phase

pipe> (TH6), replace it together with thermistor
<Outdoor> (TH7) since they are combined together.
Refer to No.5 below to remove thermistor <Outdoor>.

5. Removing the thermistor <Outdoor> (TH7)

(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Disconnect the connector TH7 (red) on the controller circuit

board in the electrical parts box.

(4) Loosen the clamp for the lead wire in the rear of the

electrical parts box. (See photo 4.)

(5) Pull out the thermistor <Outdoor> (TH7) from the sensor

holder.

Note: In case of replacing thermistor <Outdoor> (TH7),

replace it together with thermistor <Outdoor 2-phase
pipe> (TH6), since they are combined together.
Refer to No.4 above to remove thermistor

<Outdoor 2-phase pipe>.

Photo 6

6. Removing the thermistor <Outdoor pipe> (TH3) and

thermistor <Discharge> (TH4)

(1) Remove the service panel. (See figure 1.)
(2) Disconnect the connectors, TH3 (white) and TH4 (white),

on the controller circuit board in the electrical parts box.

(3) Loosen the clamp for the lead wire in the rear of the

electrical parts box. (See photo 4.)

(4) Pull out the thermistor <Outdoor pipe> (TH3) and

thermistor <Discharge> (TH4) from the sensor holder.

Photo 5

Thermistor
<Outdoor>

(TH7)

Sensor holder

Thermistor
<Discharge>

(TH4)

Thermistor
<Outdoor pipe>

(TH3)

Photo 4

Motor for
compressor
(MC)

Thermistor
<Outdoor 2-phase pipe>
(TH6)

Clamp

Electrical
parts box

OC359A-4.qxp 06.7.12 3:09 PM Page 95

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Summary of Contents for Mr.Slim PUHZ-P100VHA

Page 1: ...pliant products refer to the RoHS Parts List Revision RoHS PARTS LIST is added Some descriptions have been modified Please void OC359 CONTENTS 1 REFERENCE MANUAL 2 2 SAFETY PRECAUTION 3 3 FEATURES 6 4 SPECIFICATIONS 7 5 DATA 8 6 OUTLINES AND DIMENSIONS 11 7 WIRING DIAGRAM 13 8 WIRING SPECIFICATIONS 14 9 REFRIGERANT SYSTEM DIAGRAM 19 10 TROUBLESHOOTING 21 11 FUNCTION SETTING 70 12 EASY MAINTENANCE ...

Page 2: ... 60 71GA OC328 PCA RP100 125 140GA PCA RP100 125 140GA PKA RP50GAL PKA RP50GAL OC330 PKA RP60 71 100FAL PKA RP60 71 100FAL OC331 PEAD RP60 71 100GA PEAD RP60 71 100GA UK HWE05060 PEAD RP50 60 71 125 140EA PEAD RP100EA2 PEAD RP50 60 71 125 140EA UK PEAD RP100EA2 UK HWE05210 1 2 TECHNICAL DATA BOOK Manual No OCS06 1 1 INDOOR UNIT S SERVICE MANUAL OC359A 1 qxp 06 7 12 3 06 PM Page 2 ...

Page 3: ...gned for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare t...

Page 4: ...side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 09MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment OC359A 1 qxp 06 ...

Page 5: ...e nut dimensions Outside diameter Dimension B mm R410A w w36 0mm for indoor unit of RP100 125 and 140 R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuum gauge and vacuum val...

Page 6: ...he optimal refrigerant level regardless of the length 30m max and 5m min of piping The additional refrigerant charging work during installation often causes problems Heretofore it is completely eliminated This unique system improves the quality and reliability of the work done It also helps to speed up the installation time PUHZ P100VHA UK PUHZ P125VHA UK PUHZ P140VHA UK OC359A 1 qxp 06 7 12 3 06 ...

Page 7: ...hermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 28 A A kW W kW K min CFM dB dB mm in mm in mm in kg lbs kg lbs L mm in mm in Power supply phase cycle voltage Running current Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive o No Fan motor output Airflow Defrost method Noise level Dimens...

Page 8: ...4 4 4 3 3 4 5 4 5 3 9 5 1 5 1 4 5 5 7 5 7 2 7 4 5 4 5 Service Ref PUHZ P100VHA UK PUHZ P125VHA UK PUHZ P140VHA UK U V U W W V Unit Compressor model Winding Resistance ANV33FDDMT at 20 C 0 266 0 266 0 266 PUHZ P125 140VHA UK TNB220FLDM 0 88 0 88 0 88 PUHZ P100VHA UK Longer pipe than 20 or 30m additional charge is required OC359A 1 qxp 06 7 12 3 06 PM Page 8 ...

Page 9: ...125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ P125VHA UK COOLING MODE HEATING 51 SPL dB 55 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE ...

Page 10: ...C C C C C Indoor unit D B W B D B D B W B PLA RP100AA2 PLA RP125AA2 PLA RP140AA2 PLA RP100AA2 PLA RP125AA2 PLA RP140AA2 Cooling 9 400 3 12 Heating 11 200 3 28 Cooling 12 300 4 09 Heating 14 000 4 11 Cooling 13 600 5 21 Heating 16 000 4 98 12 26 2 84 29 0 0 94 9 6 79 3 47 9 15 4 5 27 19 13 5 35 24 0 80 0 06 12 62 2 34 23 9 0 61 6 2 68 5 40 1 2 3 5 20 15 42 5 7 6 17 37 2 68 27 3 0 86 8 8 69 5 45 6 7...

Page 11: ...ded for service access are shown in the below diagram Service space 30 Please secure the unit firmly with 4 foundation M10 bolts Bolts and washers must be purchased locally Foundation bolt height Handle for moving Side Air Intake Front piping cover Rear piping cover 145 220 30 145 81 219 145 71 71 Drain hole 5 33 Bottom piping hole Knock Out Air Intake Rear Air Intake Handle for moving Handle for ...

Page 12: ...le Details 1 FREE SPACE Around the unit 2 SERVICE SPACE 3 FOUNDATION BOLTS 4 PIPING WIRING DIRECTIONS Piping and wiring connections can be made from 4 directions FRONT Right Rear and Below O v e r1 0 0 0 m m O v e r 1 5 0 m m O v e r 1 0 m m O v e r 1 0 m m FREE 30 FOUNDATION 150 500 500 10 Service space 600 175 175 330 417 42 66 53 56 45 19 28 370 2 U Shaped notched holes Foundation Bolt M10 2 12...

Page 13: ...13 7 WIRING DIAGRAM CY2 CY1 CY1 CY2 Capacitor T6 3AL250V PUHZ P100VHA UK PUHZ P125VHA UK PUHZ P140VHA UK OC359A 1 qxp 06 7 12 3 06 PM Page 13 ...

Page 14: ... lighter than polychloroprene sheathed flexible cord Design 245 IEC 57 3 Install an earth longer than other cables S1 S2 S3 S1 S2 S3 Warning In case of A control wiring there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signal line Therefore please turn off the main power supply when servicin...

Page 15: ...oor unit specifications Required Required Required 1 A breaker with at least 3 mm contact separation in each pole shall be provided Use non fuse breaker NF or earth leakage breaker NV 2 Max 120 m 3 The 10 m wire is attached in the remote controller accessory Max 500 m 4 The figures are NOT always against the ground Notes 1 Wiring size must comply with the applicable local and national code 2 Power...

Page 16: ...Indoor unit Outdoor unit earth Wire No o Size E w The optional indoor power supply terminal kit is necessary 1 In case that cable with stripe of yellow and green is available 2 In the flat cables are connected as this picture they can be used up to 80m 3 In case of regular polarity connection S1 S2 S3 wire size is 1 5mm 2 4 In case of regular polarity connection S1 S2 S3 5 Mentioned cable length i...

Page 17: ...d wire noise may enter into the shield wire because the ground wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among grounding spots In case of single spot grounding noise does not enter into the shield wire because the ground wire and shield wire do not form one circuit To avoid communication errors caused by noise make sure to ob...

Page 18: ... 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 2 50 M NET Address No Setting example Switng setting SW11 ones digit SW12 tens digit OFF ON 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6...

Page 19: ... 0o 3 0 L200 o2 Thermistor TH6 Distributor 19 9 REFRIGERANT SYSTEM DIAGRAM Outdoor heat exchanger Thermistor TH3 Thermistor TH6 Distributor Service port check Accumulator Compressor Refrigerant GAS pipe 15 88A 5 8 Refrigerant LIQUID pipe 9 52A 3 8 Stop valve with service port 4 way valve Service port check High pressure protect switch Refrigerant flow in cooling Refrigerant flow in heating Liner e...

Page 20: ...d stop valve completely and then repeat step 2 three minutes later wIf the refrigerant collecting operation has been completed normally LED1 is not lit and LED2 is lit the unit will remain stopped until the power supply is turned off 4Turn off the power supply circuit breaker 2 Start and finish of test run Operation from the indoor unit Execute the test run using the installation manual for the in...

Page 21: ...normality concerning of parts such as electrical component controller board remote controller and etc 1Re check the abnormal symptom 2Conduct trouble shooting and ascertain the cause of the inferior phenomenon according to 10 5 Troubleshooting by inferior phenomena 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of parts such as elec...

Page 22: ...d green once and red once blink alternately F1 After startup is displayed green once and red twice blink alternately F3 F5 F9 After startup is displayed green twice and red once blink alternately EA Eb After startup is displayed only green lights up 00 After startup is displayed only green lights up 00 indicates digital display 2 Press TEST button twice 1 Turn on the main power supply 3 Press OPER...

Page 23: ...rned off A and current operation mode are displayed 3 Press the button to activate mode then check whether cool air is blown out from the unit 4 Press the button to activate mode then check whether warm air is blown out from the unit 5 Press the button and check whether strong air is blown out from the unit 6 Press the button and check whether the auto vane operates properly 7 Press the ON OFF but...

Page 24: ...t check code can be recalled even if it is cancelled by the remote controller or power is shut off Check the error code history for each unit using the remote controller 1 Switch to self diagnosis mode H Press the CHECK button twice within three seconds The display content will change as shown below 2 Set the unit number or refrigerant address you want to diagnose F Press the TEMP buttons and to s...

Page 25: ...ill change as shown below A Press the FILTER button to start self diagnosis 3 Remote controller self diagnosis result When the remote controller is functioning correctly Check for other possible causes as there is no problem with the remote controller When the remote controller malfunctions Error display 1 NG flashes The remote controller s transmitting receiv ing circuit is defective The remote c...

Page 26: ...tion manual If an air conditioner error occurs the indoor unit s sensor emits an intermit tent buzzer sound the operation light flashes and the error code is output It takes 3 seconds at most for error code to appear The check mode is cancelled Malfunction diagnosis method at maintenance service 10 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble during operation W...

Page 27: ...ode Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error 5 P5 Drain pump error 6 P6 Freezing Over...

Page 28: ...onnection of power supply terminal block TB1 b Connection of terminal on outdoor power circuit board Disconnection of connector TABT or TABS Refer to 10 9 3 Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector CNDC on the outdoor power circuit board Refer to 10 9 4 Check resistance value of rush current protect resistor RS 5 Check connect...

Page 29: ...or units Abnormal if the number cannot be checked automatically due to mis wiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circuit board recognizes the number of connected indoor units as 4 units or more 1 Check disconnection or looseness or polarity of indoor outdoor unit connecting wire of indoor and outdoor units 2 Ch...

Page 30: ... to Judgment and action for F5 7 Check linear expansion valve Refer to 10 6 8 Replace outdoor controller board Case U2 1102 Abnormal high discharging temperature 1 Abnormal if discharge temperature thermistor TH4 exceeds 125 or 110 continuously for 5 minutes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 40 during defrosting and discharge temperature thermistor TH4 exceeds 110...

Page 31: ...king of the lead wire for thermistor TH4 Refer to 10 9 2 Check resistance value of thermistor TH4 or temperature by microcomputer Thermistor TH4 Refer to 10 6 SW2 on A Control Service Tool Refer to 10 10 3 Replace outdoor controller board U4 TH3 5105 TH6 5107 TH7 5106 TH8 5110 Open short of outdoor unit thermistors TH3 TH6 TH7 and TH8 Abnormal if open or short is detected during compressor operati...

Page 32: ...ard Refer to 10 9 UF 4100 Compressor overcurrent interruption When compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating 1 Stop valve is closed 2 Decrease of power supply voltage 3 Looseness disconnection or converse of compressor wiring connection 4 Defective compressor 5 Defective outdoor power board 1 Open stop valve 2 ...

Page 33: ... board cannot receive any signal from remote controller for two minutes Error code E4 1 Check disconnection or looseness of indoor unit or transmission wire of remote controller 2 Set one of the remote controllers main If there is no problem with the action above 3 Check wiring of remote controller Total wiring length max 500m Do not use cablex 3 or more The number of connecting indoor units max 1...

Page 34: ...munication between outdoor controller circuit board and M NET board is not available 1 Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CN5 2 Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CND 3 Check M NET transmission wiring method E8 6840 Indo...

Page 35: ...is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wore of indoor unit FRESH MASTER or LOSSNAY is not con nected to terminal block for transmission wire of outdoor unit 3 Check if terminal block for transmission wire TB3 and terminal block for central control TB7 is not connected 4 Check transmission wave form or noise on transmission wire M NET comm...

Page 36: ...nnector CN2M of outdoor unit 3 Defective transmitting receiv ing circuit of outdoor unit or indoor unit Always try the followings when the error A7 occurs 1 Shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSS NAY at the same time for two minutes or more and put the power on again If mal function was accidental the unit returns to normal 2 Check address switch of abno...

Page 37: ...ant sys tem with LOSSNAY is put off or within two minutes of restart abnormality is detect ed 3 Contact failure of transmission wire of indoor unit of LOSS NAY 4 Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is nonexistent 1 The unit of former address does not exist as address sw...

Page 38: ... troller board 1 When LED3 is not blinking Check indoor outdoor connecting wire for mis wiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LED3 is blinking Indoor outdoor connecting wire is nor mal 4Check LED display on outdoor controller circuit board Refer to 10 10 Check protection device connector 63L and 63H for contact failure Refer to 10 9 Error Code Meaning of error code and d...

Page 39: ... by the remote controller 12Normal operation For protection of compressor 12Normal operation 4 Even controlling by the wireless remote controller no beep is heard and the unit does not start operat ing Operation display is indicated on wireless remote controller 1The pair number settings of the wireless remote controller and indoor controller board are mis matched 1Check the pair number settings 5...

Page 40: ...on the main power Normal The start up diagnosis will be over in around 2 minutes Mis wiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor controller board Defective outdoor controller circuit board Refer to Self diagnosis action table in order to solve the trouble In case of communication errors the display of remote controller may not match the L...

Page 41: ...heck the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if mis wiring breaking or poor contact is causing this problem Indoor outdoor co...

Page 42: ... circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outdoor power circuit ...

Page 43: ...te controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If it is not between DC 10V and DC16V the indoor controller board must be defective The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Diagnosis flow Cause Inspection method and troub...

Page 44: ...TER from the display See the operation manual that came with the product for how to clean the filters 3 STANDBY is displayed on the screen 3 This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10 minutes later Whil...

Page 45: ...s controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flowing is heard from the unit 5 This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit 2 The fan speed doesn t match the setting of the remote controller in HEAT operation The up down vane will be automatically set to horizontal bl...

Page 46: ...irection doesn t change Up down vane left right louver 3 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Something is wron...

Page 47: ...g water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once Water or moisture is expelled from the outdoor unit Batteries are being exhausted Replace them and press the reset button of remote controller The display of wireless remote controller gets dim or doesn t come on The indoor unit doesn t rece...

Page 48: ...r MC Linear expansion valve LEV A Normal Abnormal Open or short P100 P125 P140 Disconnect the connector then measure the resistance using a tester Winding temperature 20 Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Measure the resistance between the terminals using a tester Surrounding temperature 20 Normal 1450 150 Abnormal Open or short Solenoid valve coil Bypas...

Page 49: ...NT 3 VSP between 6 and 4 of the fan connector VSP DC1 to 6 5V The voltage of VSP is a value during the fan motor operation In the case that the fan motor off the voltages is 0V Fan motor position sensor signal check Measure the voltage at the TEST POINT 4 VFG between 7 and 4 of the fan connector while slowly turning the fan motor more than one revolution Wiring recovery Trouble of the outdoor cont...

Page 50: ...17k 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 20 250k 30 160k 40 104k 50 70k 60 48k 70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Thermistor Discharge TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 200 150 100 50 0 25 5...

Page 51: ...can be heard than normal situation No noise is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 3 4 5 6 Connector LEV A DC12V Outdoor controller board Drive ci...

Page 52: ... due to pressure How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly attached to main body ...

Page 53: ...r will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible 4Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit 5Do not perform emergency cooling operation for more than 10 hours N...

Page 54: ...eration mode COOL 27 5 5 25 45 50 35 5 30deg 5deg HEAT 20 5 45 50 22 5 5 5 5 30deg 5deg w1 w1 w1 w2 w2 Remarks w1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data If the unit enters emergency operation because TH values have become mismatched setting the thermistors to open short corrects the settings w2 If one thermistor is set to open...

Page 55: ...oard CN4 SW10 Model select SW4 Test operation SW6 Model select SW5 Function switch SW1 Forced defrost detect history record reset refrigerant address CNDM 1 to 2 Input of silent mode 1 to 3 Input of external contact point TH4 Thermistor Discharge TH3 Thermistor Outdoor pipe TH7 Thermistor Outdoor TH6 Thermistor Outdoor 2 phase pipe CNDC 280V 380V DC Connect from out door power circuit board VCC TE...

Page 56: ...40V AC is input Connect to the terminal block TB1 CN5 Primary current Connect to the outdoor power circuit board CN5 LO NO Voltage of 220 240V AC is output Connect to the outdoor power circuit board TABS TABT Outdoor noise filter circuit board PUHZ P100VHA UK PUHZ P125VHA UK PUHZ P140VHA UK OC359A 2 qxp 06 7 12 3 07 PM Page 56 ...

Page 57: ...door controller circuit board TABS TABT Connect to the outdoor noise filter circuit board Voltage among phases 220 240V AC Brief Check of POWER MODULE W Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of diode bridge DS2 DS3 TABP1 TABS TABN1 TABS T...

Page 58: ...changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 10 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches w1 Power failure automatic recovery can be set by either remote controller or this DIP SW If one of them is set to ON Auto recovery activates Please set Auto recovery basically by remote controller...

Page 59: ...door temperature How to wiring 1 Make the circuit as shown above with Adaptor for external signal input PAC SC36NA 2 Turn SW1 to on for Low level sound priority mode Turn SW1 to off to release Low level sound priority mode and normal operation b On demand control Local wiring Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 100 H...

Page 60: ...ller Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller board and M NET p c board Communication error of high prior signal M NET W1 Error code displayed on remote controller W2 Ref...

Page 61: ...nected 2Measure resistance value of outdoor thermistors Abnormality of radiator panel temperature 1Check if indoor outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor thermistor TH8 1Check the outdoor fan motor 2Check if the connector of TH3 on outdoor controller board is disconnected Abnormality of voltage 1Check looseness disconnection and converse connection...

Page 62: ...g postponed wC5 is displayed during replacement operation 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F5 E8 E9 EA Eb EC E0 E7 63H connector yellow is open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmittin...

Page 63: ...dreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 secs 0 5secs 2 secs 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 50 LEV A opening pulse 0 480 0 50 wOmit the figures after the decimal fractions 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse ...

Page 64: ...play of error unit number and code 3 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5secs 2 secs A Code display Code display 0 20 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 999 Test run elapsed time 0 120 0 999 When ...

Page 65: ...ls 0 H P 1 Cooling only 0 Single phase 2 Three phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump three phase and defrosting normal are set up 20 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns 39 88 When the temper...

Page 66: ...age 180 370 180 370 When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns V 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature 17 30 Outdoor pipe temperature Cond Eva TH6 39 88 Outdoor heat sink temperature TH8 40 ...

Page 67: ...t code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit num ber and code When no error history 0 and are displayed by turns Error thermistor display When there is no error thermistor is displayed 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temper...

Page 68: ...rature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs Outdoor pipe temperature Cond Eva TH6 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs Outdoor outside temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Exam...

Page 69: ...layed by turns Indoor pipe temperature Cond Eva TH5 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge super heat on error occurring SHd 0 255 Cooling TH4 TH6 Heating TH4 TH5 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 15 1 15 4 1 ON 2 3 4 5 6 Normal Over...

Page 70: ...or units The average is considered as indoor temperature Indoor unit with remote controller Remote controller s internal sensor w1 Not supported Supported indoor unit not equipped with outdoor air intake Supported indoor unit equipped with outdoor air intake 240V 220V 230V Auto energy saving operation ON Auto energy saving operation OFF 2 Normal 3 When the compressor operates the humidifier also o...

Page 71: ...pecified indoor unit BLOW operation Change refrigerant address unit No 2 Switch to function setting mode Press A and B at the same time with the remote controller stopped 11 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position is giv...

Page 72: ...in the unit number display area and the refrigerant address display area also flashes there are no units that corre spondtotheselectedunitnumber Inthiscase therefrigerantaddressandunit number may be incorrect so repeat steps 2 and 3 to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been set performs fan ope...

Page 73: ... 0 4 seconds each repeated three times If a setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was not received by the sensor you will not hear a beep or a double beep may be heard Reenter the setting number 6 Repeat steps 4 and 5 to make an additional setting without changing unit number 7 Repeat steps 3 to 5 to change ...

Page 74: ...tic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not displayed when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button 1 Main The controller will be the main controller 2 Sub The controller will be the sub controller 2 Use of clock setting To switch the setting press the O...

Page 75: ...e Operation lock setting is except On Off buttons Operation lock setting is All buttons The automatic mode is displayed when the operation mode is selected Initial setting value The automatic mode is not displayed when the operation mode is selected The temperature range limit is not active Initial setting value The temperature range can be changed on cooling dry mode The temperature range can be ...

Page 76: ...a with the air conditioner stopped skip to step 4 Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operation 2 Press the MODE button to select the desired operation mode Display A 3 Press the FILTER button to confirm the setting Display D Waiting for stabilization HEAT STABLE MODE STABLE MO...

Page 77: ...p discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display C Waiting for response Flashing After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor unit Remote controlle...

Page 78: ...or heat exchanger temperature 8 Indoor heat exchanger temperature 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable Stable Unstable Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 or higher or indoor intake air tem...

Page 79: ...and to select the desired refrigerant address Screen B 4 Press the CLOCK buttons and to set the desired request code No 5 Press the FILTER button to perform data request The requested data will be displayed at C in the same way as in maintenance mode Data collected during operation of the remote controller will be displayed The collected data such as temperature data will not be updated automatica...

Page 80: ...Indoor unit Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 deg correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 Indoor unit Liquid p...

Page 81: ... history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Exa...

Page 82: ...to last Abnormal thermistor display TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit Liquid pipe 2 temperature at time of error Outdoor unit ...

Page 83: ...N time Indoor fan output value Sj value Indoor fan output value Pulsation ON OFF Indoor fan output value duty value Indoor unit Model setting information Indoor unit Capacity setting information Indoor unit SW3 information Wireless pair No indoor control board side setting Indoor unit SW5 information Indoor unit Microcomputer version information Indoor unit Microcomputer version information sub No...

Page 84: ...put state Operation mode Indoor unit Control state Request code 50 Data display Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d Defrost Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Display State 0 Normal 1 Preparing for heat operation 2 3 4 Heater is ON...

Page 85: ...ve Compressor 0 1 2 3 4 5 6 7 8 9 A b C d E F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Overvoltage Undervoltage L1 phase Power synchron...

Page 86: ...a display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display Setting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump three phase cooling only 0 Single phase Heat pump 1 Cooling only 2 Three phase Heat pump 3 C...

Page 87: ...0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Outdoor unit switch setting display SW1 to SW10 except SW3 Request codes 73 to 82 0 Swich OFF 1 Swich ON Data display SW5 1 2 3 4 0 0 0 0 00 00 1 0 0 0 00 01 0 1 0 0 00 02 1 1 0 0 00 03 0 0 1 0 00 04 1 0 1 0 00 05 0 1 1 0 00 06 1 1 1 0 00 07 0 0 0 1 00 08 1 0 0 1 00 09 0 1 0 1 00 0A 1 1 0 1 00 0b 0 0 1 1 00 0C 1 0 1 1 ...

Page 88: ...4 34 15 35 16 36 17 37 18 38 19 39 1A 3A 1b 3b 1C 3C 1d 3d 1E 3E 1F 3F Indoor unit Capacity setting information Request code 163 Data display 0 0 See the table on the right Display Capacity setting state Display Capacity setting state 00 12 10 112 01 16 11 125 02 22 12 140 03 25 13 160 04 28 14 200 05 32 15 224 06 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71 1C 0d 80 1d 0E 90 1...

Page 89: ...F1 Fan motor fixing screws Propeller Front panel Front panel fixing screws Nut Terminal block TB1 Photo 2 Valve bed Slide 3 Removing the electrical parts box 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Disconnect the indoor outdoor connecting wire from terminal block 4 Remove all the following connectors from controller circuit board fan motor linear expansion val...

Page 90: ...the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2...

Page 91: ...anel 6 Remove the solenoid valve coil Four way valve See photo 7 7 Collect the refrigerant 8 Remove the welded part of four way valve Note 1 Collect refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the four way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipe...

Page 92: ...ssure switch 63H 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove the electrical parts box See photo 3 4 Remove 3 right side panel fixing screws 5 10 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Collect the refrigerant 7 Remove the welded part of high pressure switch Note 1 Collect refrigerant without...

Page 93: ...or for compressor inlet and outlet and then remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the Accumulator 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 and remove the back cover panel 5...

Page 94: ...om terminal block 4 Remove all the following connectors from controller circuit board fan motor linear expansion valve thermistor Outdoor pipe thermistor Discharge thermistor Outdoor 2 phase pipe thermistor Outdoor high pressure switch solenoid valve coil Four way valve Then remove a screw 4 8 from the valve bad to remove the lead wire Pull out the disconnected wire from the electrical parts box D...

Page 95: ...ts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe Photo 6 6 Removing the thermistor Outd...

Page 96: ...elded part of four way valve Note 1 Collect refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the four way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing linear expansion valve 1 Remove the service pan...

Page 97: ... 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch 5 Collect the refrigerant 6 Remove the welded part of high pressure switch Note 1 Collect refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to pr...

Page 98: ...tor for compressor inlet and outlet and then remove the compressor Note Collect refrigerant without spreading it in the air 13 Removing the Accumulator 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 and remove the back cover panel ...

Page 99: ... 10 S70 E10 662 S70 E20 675 S70 E10 668 S70 E10 686 S70 E10 130 S70 30L 655 S70 E10 658 S70 E20 658 S70 E30 662 S70 E30 661 S70 E10 699 S70 E10 698 S70 E10 641 S70 E10 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL REAR GUARD TOP PANEL HANDLE DG12F536H10 BK00C456G03 BK00C...

Page 100: ...100 FUNCTIONAL PARTS PUHZ P100VHA UK 1 2 5 6 7 8 9 10 11 11 12 13 14 15 16 17 18 19 4 3 29 28 27 26 25 24 23 22 21 20 OC359A 4 qxp 06 7 12 3 09 PM Page 100 ...

Page 101: ...10 234 S70 K20 259 S70 E10 313 S70 H00 315 S70 E30 202 S70 E10 233 S70 E15 346 S70 E10 208 S70 42H 467 S70 E05 255 S70 282 403 PROPELLER FAN NUT FAN MOTOR THERMISTOR DISCHARGE COMPRESSOR STOP VALVE BALL VALVE RUBBER MOUNT STRAINER ACCUMULATOR CHARGE PLUG FOUR WAY VALVE SOLENOID VALVE COIL FOUR WAY VALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL THERMISTOR OUTDOOR PIPE THERMISTOR OUTDOOR2 PHASEPI...

Page 102: ...102 FUNCTIONAL PARTS PUHZ P125VHA UK PUHZ P140VHA UK 15 4 7 8 12 3 11 1 2 9 10 13 16 14 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 5 6 17 OC359A 4 qxp 06 7 12 3 09 PM Page 102 ...

Page 103: ...S70 E11 313 S70 H00 315 S70 E30 202 S70 E10 233 S70 E15 346 S70 E35 202 S70 E05 255 FAN MOTOR HEAT EXCHANGER TOP PROPELLER FAN NUT HEAT EXCHANGER UNDER FAN MOTOR SOLENOID COIL FOUR WAYVALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR ACCUMULATOR RUBBER MOUNT BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL HIGH PRESSURE SWITCH THERMISTOR OUTDOOR2 PH...

Page 104: ...BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL REAR GUARD TOP PANEL HANDLE 5 10 Amount Unit Price Remarks Drawing No S70 E20 662 S70 E20 675 S70 E20 668 S70 E20 686 S70 E20 130 S70 30L 655 S70 E10 658 S70 E20 658 S70 E40 662 S70 E40 661 S70 E10 699 S70 E20 698 S70 E10 641 S70 E10 655 1 15 2 4 5 9 11 14 12 13 6 7 8 10 9 17 3 16 STRU...

Page 105: ... 1 1 1 5 10 RoHS S70 E10 662 S70 E20 675 S70 E10 668 S70 E10 686 S70 E10 130 S70 30L 655 S70 E10 658 S70 E20 658 S70 E30 662 S70 E30 661 S70 E10 699 S70 E10 698 S70 E10 641 S70 E10 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL REAR GUARD TOP PANEL HANDLE DG12F536H10 BK00...

Page 106: ...106 FUNCTIONAL PARTS PUHZ P100VHA UK 1 2 5 6 7 8 9 10 11 11 12 13 14 15 16 17 18 19 4 3 29 28 27 26 25 24 23 22 21 20 OC359A 4 qxp 06 7 12 3 09 PM Page 106 ...

Page 107: ...16 S70 E40 316 S70 410 708 S70 E10 234 S70 K20 259 S70 E10 313 S70 H00 315 S70 E30 202 S70 E10 233 S70 E15 346 S70 E10 208 S70 42H 467 S70 E05 255 S70 282 403 PROPELLER FAN NUT FAN MOTOR THERMISTOR DISCHARGE COMPRESSOR STOP VALVE BALL VALVE RUBBER MOUNT STRAINER ACCUMULATOR CHARGE PLUG FOUR WAY VALVE SOLENOIDVALVECOIL FOUR WAYVALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL THERMISTOR OUTDOOR PIP...

Page 108: ...108 FUNCTIONAL PARTS PUHZ P125VHA UK PUHZ P140VHA UK 15 4 7 8 12 3 11 1 2 9 10 13 16 14 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 5 6 17 OC359A 4 qxp 06 7 12 3 09 PM Page 108 ...

Page 109: ...410 708 S70 E10 234 S70 K20 259 S70 E11 313 S70 H00 315 S70 E30 202 S70 E10 233 S70 E15 346 S70 E35 202 S70 E05 255 FAN MOTOR HEAT EXCHANGER TOP PROPELLER FAN NUT HEAT EXCHANGER UNDER FAN MOTOR SOLENOIDCOIL FOUR WAYVALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR ACCUMULATOR RUBBER MOUNT BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL HIGH PRESSUR...

Page 110: ... 15 16 17 G G G G G G G G G G G G G G G G G 47 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 DG12F536H10 BK00C456G02 BK00C493G01 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL REAR GUARD TOP PANEL HANDLE 5 10 Amount Unit Price Remarks Drawing No S70 E20 662 S70 E20 675 S70 E20 668 S70 E20 ...

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