Mitsubishi Electric Mr.Slim PEAD-SM100JA(L) Technical & Service Manual Download Page 27

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TCH030

I Check of LEV

Turn on power supply to the outdoor unit after checking

LEV coil is fixed to the LEV body securely.

Yes

Disconnect the connector CN724. Is there nor-

mal resistance to LEV coil?

Replace the inverter P.C. board.

Replace the LEV coil.

Normal

Start

Is "click - click" sound heard?

Or, do you feel vibration of the LEV coil with a hand?

Yes

Check the outdoor fan motor.

(Refer to .)

Is the fuse (F901) blown on the in-

verter P.C. board?

Check the connection of the connectors

(CN931, CN932) of the outdoor fan mo-

tor.

If the connection is poor, make it correct.

Operate the outdoor unit by starting

EMERGENCY OPERATION.

Check the LED indication on the in-

verter P.C. board.

Does the LED flash 10 times?

Replace the inverter P.C. board.

Check the corresponding parts

following LED indication.

(Refer to "11-2.TROUBLE-

SHOOTING CHECK TABLE".)

Yes

(10-time flash)

J Check of inverter P.C. board

Summary of Contents for Mr.Slim PEAD-SM100JA(L)

Page 1: ...AND FUNCTIONS 6 4 SPECIFICATION 7 5 NOISE CRITERIA CURVES 9 6 OUTLINES AND DIMENSIONS 10 7 WIRING DIAGRAM 11 8 REFRIGERANT SYSTEM DIAGRAM 13 9 ACTUATOR CONTROL 14 10 SERVICE FUNCTIONS 15 11 TROUBLESHOOTING 15 12 DISASSEMBLY INSTRUCTIONS 31 Indication of model name Note This service manual describes technical data of the outdoor units only HFC utilized R410A January 2018 PARTS CATALOG TCB030 SPLIT ...

Page 2: ...efer to the service manual of indoor unit or the technical data book for the combination data INDOOR UNIT SERVICE MANUAL Model Name Service Ref Service Manual No PLA SM71 100EA PLA SM71 100EA UK OCH683 OCB683 PEAD SM71 100JA L PEAD SM71 100JA L UK HWE17010 BWE017160 ...

Page 3: ...mes as high as that of R22 some special tools and piping parts materi als are required Refer to the table below Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and installa tion since it is more susceptible to contaminations than R22 For refrigerant piping use clean pressure proof parts materials specifically designed for R410A Refer t...

Page 4: ...es New New New Gauge manifold Charge hose Torque wrench Flare tool Flare gauge Vacuum pump adapter Electronic scale for refrigerant charging No Not substitutable for R410A Yes Substitutable for R410A No 12 7 mm and 15 88 mm 1 Tools dedicated for the air conditioner with R410A refrigerant The following tools are required for R410A refrigerant Some R22 tools can be substituted for R410A tools The di...

Page 5: ...aces 4 Air purge Do not discharge the refrigerant into the atmosphere Take care not to discharge refrigerant into the atmosphere during installation reinstallation or repairs to the refrigerant circuit Use the vacuum pump for air purging for the purpose of environmental protection 5 Additional charge For additional charging charge the refrigerant from liquid phase of the gas cylinder If the refrig...

Page 6: ...or the remote controller 6 Fully close the stop valve on the gas pipe side of the outdoor unit when the pressure gauge shows 0 05 to 0 MPa Gauge approx 0 5 to 0 kgf cm and quickly stop the air conditioner Push the ON OFF button on the remote controller to stop the air conditioner Notes 1 When the extension piping is very long with a large refrigerant amount it may not be possible to perform a pump...

Page 7: ...Current Cooling A 8 30 11 11 Heating 9 59 12 84 Refrigeration oil Model L 0 4 FV50S 0 46 FV50S Fan motor Model RC0J60 BC RC0J60 BC Current Cooling A 0 83 0 85 Heating 0 82 0 86 Dimensions W H D mm 840 880 330 840 880 330 Weight kg 52 56 Special remarks Air flow Cooling High m h 3 492 3 426 Med 3 006 3 234 Low 2 226 2 394 Heating High 2 952 3 276 Med 2 952 3 276 Low 2 268 2 472 Sound level Cooling ...

Page 8: ...iode module DB61 Fuse F61 F62 T20AL 250 V F701 F801 F901 Intelligent power module IPM IC932 5 A 600 V IGBT module IC700 20 A 600V Power factor controller PFC 20 A 600 V IC820 20 A 600 V Expansion valve coil LEV 12 V DC Reactor L61 L 340 μH 20 A Current Limiting PTC thermistor PTC64 PTC65 33 Ω Terminal block TB1 TB2 3P TB Relay X63 X64 20 A 250 V X601 3 A 250 V X602 3 A 250 V R V coil 21S4 220 240 ...

Page 9: ... SPL dB A LINE High FAN SPEED HEATING 55 55 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 BAND CENTER FREQUENCIES Hz NC 10 SUZ SA71VA3 TH OCTAVE BAND SOUND PRESSURE LEVEL 0dB re 0 0002 MICRO BAR COOLING FUNCTION SPL dB A LINE High FAN SPEED HEATING 55 55 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 N...

Page 10: ...t pipe joint Refrigerant pipe flared Ø 9 52 Gas refrigerant pipe joint Refrigerant pipe flared Ø 15 88 350 mm or more 100 mm or more REQUIRED SPACE Basically leave this space open Only if front and both sides are open leave 500 mm at minimum 100 mm or more 500 mm or more Leave any two sides among right left or rear open Air in Bolt pitch for installation 360 SUZ SA71VA3 TH SUZ SA100VA2 TH ...

Page 11: ...11 TCH030 7 WIRING DIAGRAM SUZ SA71VA3 TH ...

Page 12: ...TCH030 12 TCH030 SUZ SA100VA2 TH ...

Page 13: ...emperature thermistor RT68 Ambient temperature thermistor RT65 Strainer 100 ADDITIONAL REFRIGERANT CHARGE R410A g MAX REFRIGERANT PIPING LENGTH Max Length A Height difference limitations are binding regardless of the height position at which either indoor or outdoor is placed higher Max Height difference B Indoor unit Outdoor unit MAX HEIGHT DIFFERENCE Model Refrigerant piping m Piping size O D mm...

Page 14: ...up OFF The fan motor turns OFF 15 seconds after the compressor has stopped running NOTE The 4 way valve reverses for 5 seconds right before start up of the compressor Sensor Purpose Actuator Compressor LEV Outdoor fan motor R V coil Indoor fan motor Discharge temperature thermistor Protection Indoor coil temperature thermistor Cooling Coil frost prevention Heating High pressure protection Defrost ...

Page 15: ... 11 3 HOW TO PROCEED SELF DIAGNOSIS SUZ SA71VA3 TH SUZ SA100VA2 TH 11 1 CAUTIONS ON TROUBLESHOOTING 1 Before troubleshooting check the following items 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for miswiring 2 Take care the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with the remote controller and turn o...

Page 16: ...detected nor mally Refer to 11 5 How to check in verter compressor 13 time flash 2 5 seconds OFF DC voltage DC voltage of inverter cannot be detected normally Refer to 11 5 How to check in verter compressor Outdoor unit operates 1 time flash 2 5 seconds OFF Frequency drop by current protection When the input current exceeds approximately 16A compressor The unit is normal but check the following Ch...

Page 17: ... attribute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to delete the error history If deletion fails Request rejected will appear Unit not exist will appear if no indoor units that are...

Page 18: ...will appear on the remote controller display if the correct voltage 8 5 12 V DC is not supplied to the remote control ler If this is the case check the remote controller wiring and indoor units OK No problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmi...

Page 19: ...fer to the indoor unit installation Check code 4 digits or check code 2 digits Error detection attribute Address 3 digits or unit address No 2 digits When there is no error history When opposite side does not exist Alternate display 4 Error history reset The error history is displayed in 3 self diagnosis results display When theD button is pressed two times successively within 3 seconds the self d...

Page 20: ...ormal Remote controller switching is necessary When the problem is other than the checked remote controller Error display 2 E3 6833 6832 flash Cannot send Error display 3 ERC and data error count are displayed Data error generation There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission line and the other remote controllers Data erro...

Page 21: ...e check mode is cancelled Procedure 1 Press the CHECK button twice 2 Press the TEMP buttons 3 Point the remote controller at the sensor on the indoor unit and press the HOUR button 4 Point the remote controller at the sensor on the indoor unit and press the ON OFF button Malfunction diagnosis method at maintenance service 11 3 5 Self diagnosis Wireless remote controller In case of trouble during o...

Page 22: ...h 1st 2nd 3rd 1st 2nd Self check starts Start signal received Beeper sounds Refer to the following tables for details on the check codes Output pattern A Notes The check code in the parenthesis indicates PAR 30 31MAA model Beeper sounds OPERATION INDICATOR lamp flashes Check code Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lam...

Page 23: ...esistance with a tester Before measurement hold the thermistor with your hands to warm it up Refer to 11 6 TEST POINT DIAGRAM AND VOLTAGE for the chart of thermistor Defrost thermistor RT61 Fin temperature thermistor RT64 Measure the resistance between terminals with a tester Temperature 10 to 40 C Compressor U V U W V W Normal W U V WHT RED BLK W U V WHT RED BLK Ambient temperature thermistor RT6...

Page 24: ...en select the cooling mode For details or for other information about starting the test run when using remote controllers refer to the installation manual for the indoor unit or the remote controller Measurement point At 3 points BLK U WHT V BLK U RED W WHT V RED W Notes 1 Output voltage varies according to power supply voltage 2 Measure the voltage by analog type tester 3 During this check LED of...

Page 25: ...hod Start heating or cooling test run TEST RUN OPERATION Refer to 11 5 Measurement Measure the time from the start of compressor to the stop of compressor due to overcurrent Is the resistance of thermistor normal SA71 11 6 TEST POINT DIAGRAM AND VOLTAGE Disconnect the connector of thermistor in the outdoor P C board see below table and measure the resistance of thermistor Replace the thermistor ex...

Page 26: ...L mode Disconnect connector between the compressor and the intelligent power module Turn ON the power supply and start heating test run TEST RUN OPERATION Refer to 11 5 Disconnect connector between the compressor and the intelligent power module Turn ON the power supply and start cooling test run TEST RUN OPERATION Refer to 11 5 H Check of outdoor fan motor Is the resistance between each termi nal...

Page 27: ...h a hand Yes Check the outdoor fan motor Refer to Is the fuse F901 blown on the in verter P C board Check the connection of the connectors CN931 CN932 of the outdoor fan mo tor If the connection is poor make it correct Operate the outdoor unit by starting EMERGENCY OPERATION Check the LED indication on the in verter P C board Does the LED flash 10 times Replace the inverter P C board Check the cor...

Page 28: ... or the installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor...

Page 29: ... Yes The refrigerant gas amount may be 60 or less than the normal amount Identify where the gas is leaking from and fix the leak No CAUTION Do not start the operation again to prevent hazards The operation has stopped to prevent the diesel explosion caused by air trapped in the refrigerant circuit Close the stop valve and disconnect the power plug or turn the breaker OFF Note If the abnormality ca...

Page 30: ... 80 0 20 40 60 80 100 120 140 160 180 200 Temperature Fin temperature thermistor RT64 Resistance k Resistance k Resistance k CN673 Fin temperature thermistor RT64 CN672 Ambient temperature thermistor RT65 CN671 Discharge temperature thermistor RT62 CN671 Defrost thermistor RT61 CN932 Output to drive outdoor fan motor CN671 Outdoor heat exchanger tem perature thermistor RT68 F901 Fuse T3 15 A L250 ...

Page 31: ...ching points Connector Sleeve Locking lever SUZ SA71VA3 TH SUZ SA100VA2 TH NOTE Turn OFF power supply before disassembling OPERATING PROCEDURE PHOTOS 1 Removing the cabinet 1 Remove the screws of the service panel 2 Remove the screws of the top panel 3 Remove the screw of the valve cover 4 Remove the service panel 5 Remove the top panel 6 Remove the valve cover 7 Disconnect the power supply and in...

Page 32: ...3 Remove the compressor connector 4 Remove the screws fixing the relay panel 5 Remove the relay panel 6 Remove the earth wires and the lead wires of the inverter P C board 7 Remove the screws of the PB support 8 Remove the inverter P C board from the relay panel Photo 3 Photo 4 3 Removing R V coil 1 Remove the cabinet and panels Refer to procedure 1 2 Disconnect the following connector Inverter P ...

Page 33: ...Remove the top panel cabinet and service panel Refer to procedure 1 2 Disconnect the following connectors Inverter P C board CN931 and CN932 Fan motor 3 Remove the propeller 4 Remove the screws fixing the fan motor 5 Remove the fan motor 6 Removing the compressor and 4 way valve 1 Remove the top panel cabinet and service panel Refer to procedure 1 2 Remove the back panel Refer to procedure 1 3 Rem...

Page 34: ... JAPAN New publication effective Jan 2018 Specifications are subject to change without notice MITSUBISHI ELECTRIC CONSUMER PRODUCTS THAILAND CO LTD AMATA NAKORN INDUSTRIAL ESTATE 700 406 MOO 7 TAMBON DON HUA ROH AMPHUR MUANG CHONBURI 20000 THAILAND Made in Thailand ...

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