Samsung AM036TXMDCH Service Manual Download Page 62

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Samsung Electronics

PCB Diagram

4-1-3 EMI PCB : 1Phase

No.

Local

Function

Description

AC POWER

OT-048

EARTH

YEL/GRN WIRE

AC POWER

BRN WIRE

AC POWER

SKY/BLU WIRE

AC POWER

OT-048

CN01

AC POWER

YW396-03AV WHT

Summary of Contents for AM036TXMDCH

Page 1: ...on AIR CONDITIONER CONTENTS ƊǽƊƟkđ ÃŵआAĮĘUÃƟÃĮĘkŵ OUTDOORUNIT AM036TXMDCH AM048TXMDCH AM053TXMDCH 1 Product Specifications 2 Disassemblyand Reassembly 3 Troubleshooting 4 PCB Diagram 5 Wiring Diagram 6 Reference Sheet 7 Check Operation Amount of Refrigerant AutomaticallyChecking ...

Page 2: ...ranch part setup error Connect more Indoor units than what is actually set up in MCU 35 3 3 12 MCU MCU subcooler entrance exit sensor error Open Short 36 3 3 13 Outdoor temperature sensor error Open Short Error Code E221 E231 E251 E269 E276 E311 E321 E322 E323 37 3 3 14 High pressure temperature sensor error Open Short Error Code E291 Low pressure temperature sensor error Open Short Error Code E29...

Page 3: ...eet 63 6 1 Refrigerant cycle diagram 63 6 2 Nomenclatures 64 6 2 1 OUTDOOR UNIT 64 7 Check Operation Amount of Refrigerant Automatically Checking 65 7 1 Check Operation 65 7 1 1 Check Operation 65 7 1 2 How to troubleshoot of the Undetermined 67 7 1 3 Automatic Commissioning Error Code 73 7 2 Automatic refrigerant amount detection function Checking th amount of refrigerant 74 ...

Page 4: ...e efficient compare to AC motor 䭓Wide speed control range less noise generation Turbo Inter cooler 䭓Long piping up to 175m with sub cooling 䭓Up to 50m levela difference is allowed for installation Twin BLDC compressor 䭓Increased energy efficiency compare to conventional compressor 䭓Stable operation with 80 decreased vibration Anti chloride coated outdoor unit heat exchanger 䭓Anti corrosion erosion...

Page 5: ...ystem efficssiency and minimized noise from the refrigerant in the indoor unit ƟЇθɵͱ Ã ϩʪθࣗʀͱͱ ʪθ High performing shell tube type heat exchanger has been applied to secure cooling heating efficiency It has secured enough subcooling to acquire reliability on long piping and it also increased cooling heating efficiency ८ ΧΧ ʀɇϩ ͱ ͱ и ʒʪ High efficient heat exchanger has been applied therefore it del...

Page 6: ...ng Company A Feature cont ८ ŵʪ ͱθʀʪʒ ʀͱθθͱϑ ͱ θʪϑ ϑϩɇ ʀʪ ͱ ϩ ʪ ʪɇϩ ʪуʀ ɇ ʪθ To prevent corrosion of the products which is installed in saline area corrosion resistance has been reinforced Level difference between indoor units 15m High level difference 50m Longpiping 175m Equivalentlength ८ øͱ Χ Χ ࢥ ʪЭʪ ʒ ʪθʪ ʀʪ ϩʪʀ ͱ ͱ ц Longest piping length is allowed up to 175m equivalent length and Maximum 50m...

Page 7: ...agnose and repair of the problem will be much quicker with the last 3 minutes worth of a data saved before the malfunction With the extra memory module 3 months worth of a data can be saved Operation time 12 hours of silent mode 6 hours 7 00 13 30 19 00 7 00 End Highest temperature ८ Ɗ ʪ ϩ ͱΧʪθɇϩ ͱ ɇϩ ϩϩ ʪ When outdoor unit needs to operate more silently during nighttime silent mode can be set fro...

Page 8: ...lfunction Refrigerant recoveringsss Feature cont ८ Ɗцϑϩʪ ʀ ʪʀ ϩ θͱЇ Ǥ ʪи ͱʒʪ Through the window on outdoor unit PCB display you can check the main system data during operation Shortened maintaining and inspection Displaying 15 main data including high pressure of system Outdoor temperature Discharge temperature of the compressor Condensing temperature Using the DIP switch on the outdoor unit PCB y...

Page 9: ...be connected in 4 different directions which provide flexible installation and maintenance services Maximum 9 indoor unit connection ८ đɇу Ї ߪ ʒͱͱθ Ї ϩ ʀͱ ʪʀϩ ͱ You may connect up to 9 indoor units on a single outdoor unit It will allow more powerful and flexible air conditioning system and you can select refrigerant pipe length or number of indoor units depending on the needs for office commercia...

Page 10: ...in BLDC Inverter Output W 4 04 4 04 4 04 Lubricant Type PVE PVE PVE A ɇθ cc 1700 1700 1700 Refrigerant Type R410A R410A R410A ɇʀϩͱθц A ɇθ kg 3 2 3 2 3 3 lbs 7 1 7 1 7 3 FAN Type PropellerFan PropellerFan PropellerFan MotorOutput W 125x2 125x2 125x2 Airflowrate CMM 110 110 110 CFM 3 885 3 885 3 885 ࢥϑ 1 833 1 833 1 833 Pipe Piping connections Liquid ø mm 9 52 3 8 9 52 3 8 9 52 3 8 Gas ø mm 15 88 5 ...

Page 11: ...ʪϩ ʒ ʪ ϑ ͱ Ǯу уU mm 940 x1210 x 330 940 x1210 x 330 940 x1210 x 330 ʀ 37 01 x 47 64 x12 99 37 01 x 47 64 x12 99 37 01 x 47 64 x12 99 Ɗ ΧΧ ʒ ʪ ϑ ͱ Ǯу уU mm 995 x1388 x 426 995 x1388 x 426 995 x1388 x 426 ʀ 39 17 x 54 65 x16 77 39 17 x 54 65 x16 77 39 17 x 54 65 x16 77 Operating Temp Range Cooling ঔ 23 118 23 118 23 118 ʪɇϩ ঔ 13 75 13 75 13 75 Maximum of connected indoorunits 8 9 10 Rated Power Curr...

Page 12: ...Samsung Electronics 11 2 Disassembly and Reassembly ८ Ęʪʀʪϑϑɇθц Ɵͱͱ ϑ Ãϩʪ ŵʪ ɇθ ScrewDriver MonkeySpanner ScrewDriver Nipper Electric Motion Driver L Wrench ...

Page 13: ... Powerbefore disassembly 1 Unscrewand remove 2 mounting screwin the Cabinet Front RH Use ScrewDriver 2 Cabi Top 1 Unscrewand remove 9 screws on each side of the Cabinet Top Use ScrewDriver 3 Cabi Install Front 1 Unscrewand remove1 screwthe Cabinet Install Front Use ScrewDriver ८ đߡߤߧƟǹđUA ࡡ đߡߥߩƟǹđUA ࡡ đߡߦߤƟǹđUA ...

Page 14: ...ϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 4 Guard Cond 1 Pull the sensorfrom Guard Cond 2 Unscrewand remove 4 screws in the Guard Cond Use ScrewDriver 5 Cabi Back RH 1 Pull the sensorfrom Cabi Back RH 2 Unscrewand remove 4 screws on each side of the Cabinet Back RH Use ScrewDriver ...

Page 15: ... ц 14 Samsung Electronics Ęͱ ťɇθϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 6 Cabi Install Back 1 Unscrewand remove1 screwin the Cabinet Install Back Use ScrewDriver 7 Cabi Front LF 1 Unscrewand remove10 screws in the Cabinet Front LF Use ScrewDriver ...

Page 16: ...U ϑɇϑϑʪ ɵ ц ɇ ʒ ŵʪɇϑϑʪ ɵ ц Samsung Electronics 15 Ęͱ ťɇθϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 8 Fan 1 Turn 2 mounting nuts as shown in the and remove it Use LWrench orMonkeySpannerorSocket Wrench ...

Page 17: ...θϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 9 Motor 1 Separate the Fan Propeller 2 Unscrewand remove the 8 Motormounting screws Use ScrewDriver 3 Disconnect the Motorwire fromAss y Control Out 10 Bracket Motor 1 Unscrewand remove 2 mounting screws in Bracket Motor Use ScrewDriver ...

Page 18: ...ц Samsung Electronics 17 17 Samsung Electronics Ęͱ ťɇθϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 11 Control Out 1 Disconnect10 Connectors fromAss ycontrol Out 2 Unscrewand remove1 mounting screwin Control Out Use ScrewDriver 3 SeparateAss yControl Out ...

Page 19: ...oolant first 2 Separate 2 parts of the pipe using awelder When removing the compressor Heat Exchangerand Pipe purge the refrigerant inside the Compressorcompletelyand remove the pipewith awelding flame 13 Ass yTube Suction 1 Separate 2 parts of the pipe using awelder 14 Ass yTube 4Way 1 Separate 2 parts of the pipe using awelder ...

Page 20: ... ťθͱʀʪʒЇθʪ ŵʪ ɇθ 15 Compressor 1 Unscrewand remove1 mounting nut in bottom of the cover UseAdjustableWrench 2 Separate the CompressorFelt 3 As shown in the picture unscrewand remove 3 mounting screws from the bottom Use L Wrench orMonkeySpannerorSocket Wrench ...

Page 21: ...U ϑɇϑϑʪ ɵ ц ɇ ʒ ŵʪɇϑϑʪ ɵ ц 20 Samsung Electronics Ęͱ ťɇθϩϑ ťθͱʀʪʒЇθʪ ŵʪ ɇθ 16 Cond Out 1 Unscrewand remove 3 screws on each side of theAss yCond Out Use ScrewDriver ...

Page 22: ...Samsung Electronics 21 ߤ ƟθͱЇɵ ʪϑ ͱͱϩ ߤࣗߢࢋ kθθͱθ U ϑΧ ɇц ERROR UÃƊťø ǽ ...

Page 23: ...nit EEPROM data error E 180 Simultaneous opening of cooling heating MCU SOLV V 1st detection E 181 Simultaneous opening of cooling heating MCU SOLV V 2nd detection E 185 Crosswiring errorbetween communication and powercable of indoorunit E 186 Connection errororproblem on SPi E 190 No temperature changes in EVAIN during pipe inspection orchanges in temperature is seen in indoorunitwith wrong addre...

Page 24: ... sub heat exchanger Short orOpen E 321 Erroron EVI ESC IN temperature sensor Short orOpen E 322 Erroron EVI ESC OUTtemperature sensor Short orOpen E 323 Erroron suction sensor2 Short orOpen E 407 Compressoroperation stop due to high pressure protection control E 410 Compressoroperation stop due to lowpressure protection control orrefrigerant leakage E 416 Compressoroperation stop due to discharge ...

Page 25: ...ycontact failure on IPM of InverterPBA1 E 503 Errordue to alert the userto check if the servicevalve is closed E 504 Errordue to self diagnosis of compressoroperation E 505 Errordue to self diagnosis of high pressure sensor E 506 Errordue to self diagnosis of lowpressure sensor E 560 Outdoorunit s option switch setting error when iinappropriate option switch is on E 563 Errordue to module installa...

Page 26: ...ndanindoorunit thathamperscommunicationbymakingaconnectionto eachunitandreplacetheindoorunitPCB aftercheckingoutlines At that time is the power between the 2 lines a squire wave with DC 0 7V Is the number of actual indoor units installed and the number of setting values of setup switch for the number of indoor unit installed identical Set the correct number of indoor units on the outdoor unit swit...

Page 27: ...eoutdoorunit toindoorunitsthenremoveallcommunicationconnectors ontheindoorunitPCBthenfindanindoorunitthat hamperscommunicationbymakingaconnectiontoeach unitandreplaceindoorunitPCBaftercheckingoutlines After 2 minutes find an indoor unit than shows a communication error then check if PCB address setup has overlapped If an indoor unit s address is overlapped communication error occurs In that case a...

Page 28: ...PBA o outdoor unit main PBA is normal 2 When the LED on the outdoor unit inverter is shown as following Red On Green On Orange Blinking and if the 7 segment on the outdoor unit main PBA does not display anything change the main PBA o Outdoor unit inverter PBA is normal Check list for AM XMDC series Check the LED on inverter PBA Check the communication cable connection No Yes Check list for AM XMDC...

Page 29: ...MCU PCB OFF MCU address setup ON Setting error Indoor unit Indoor unit address Branch part use setup 4 2 1 2 5 6 0 Branch A 4 B 2 C D E 5 F 6 Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash ...

Page 30: ...et or turn it off to restart Outdoor Unit PCB Quantity of Indoor Unit Quantity of MCU Indoor Unit 3 MCU 1 Branch Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash OFF Criteria The same indooru...

Page 31: ...ὤG㨰㣄ẠG 㟝G 㥉 4 4 2 1 5 6 0 㣄Ạ A 4 B C D E 1 F 6 Branch Indoorunit Indoorunitaddress MCU addresssetup Branchpartusesetup Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash OFF Criteria If there ...

Page 32: ...uantity of outdoor unit 2 MCU installed Quantity 3 Example of MCU address setting error ex Two among three of MCU address was set to 0 Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash 㼼 OFF J...

Page 33: ... 㽙 ON 㾠 Flash OFF Criteria Occurswhen an indoorunit address setup switch in MCU has been overlapped Cause of problem Repeated indoorunit address ߢࢋ ͱи ϩͱ ʀ ʪʀ Check the setup switch for the number of indoor units in MCU After completing resetting press the outdoor unit s K3 button to reset or turn off to restart MCU BOX 0 MCU PCB OFF MCU address setup ON Indoor unit address Branch part use setup 4...

Page 34: ...start MCU BOX 1 MCU PCB OFF ON 1 3 7 9 0 0 1 Branch A B C D E 0 F Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash OFF Criteria Occurswhen MCU PIPE is set as being used yet not connected to a...

Page 35: ...ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼㾠㾠㼼㽙 ON 㾠 Flash OFF Criteria Occurswhen MCU PIPE is turned off yet an indoorunit is registered Cause of problem Indoorunit connection to the unused branch part ߢࢋ ͱи ϩͱ ʀ ʪʀ Check the actual use of the branch part If it is used turn on the Dip switch for branch part setup After completing resetting press the outdoor unit s K3 button to reset or turn off to restart MCU ...

Page 36: ... unit No 5 was connected to branch part C but DIP switch No 3 branch part C is off Outdoor Unit PCB Quantity of Indoor Quantity of MCU Indoor Unit 4 MCU 1 Branch Outdoorunit display Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operation Timer Turbo ߣߥঐ ߣߨঐ 㼼㼼㾠㾠㼼㼼㾠㾠㼼㼼㼼...

Page 37: ... the connector to PCB Replace this part as it is the defective itself No No Yes Yes Yes NOTE1 Temperature C ŵʪϑ ϑϩɇ ʀʪ ç ץ 70 60 50 40 30 20 10 0 10 2 2 3 0 4 2 5 8 8 3 12 1 18 0 27 3 43 0 Outdoorunit display MCU subcooler MCU Indoorunit display Duct Cassette 1 2Way Console Celing Cassette 4 Mini4Way Wall mounted NeoForte Operation Defrost Timer Fan Filter MPI Operation Defrost Timer Filter Operat...

Page 38: ...d If the resistance value measure on temperature sensor similar to the values on the table on the right side Connect the temperature sensor connector Change the temperature sensor o Turn on the power o Check if everything is normal and end service Ex Resistance value for temperatures measured by Cond Sensor outdoor temperature sensor E221 E231 E269 E311 E321 E322 E323 Ex Resistance value for tempe...

Page 39: ...ccur if the input voltage standard exceeds 0 5V 4 95V range ߣࢋ ͱи ϩͱ ʀ ʪʀ Replace high low pressure sensor Please re inspect after connecting the connector to the PCB No Yes Did the high low pressure connector get disconnected from the PCB Refill refrigerant after vacuum No Yes Is there refrigerant inside the set Please check by connecting the manifold gauge to the service valve Refill refrigerant...

Page 40: ...e indoor EEV working properly Check for indoor air inlet blockage Check the relevant indoor fan No Yes Yes Yes No No Check the relevant EEV Refer to temperature sensor error section to check for error ߢࢋ A ʪʀ ϩʪ ϑ 1 Check if the indoor fan motor is working properly 2 Check if the indoor EEV is working properly 3 Check the indoor heat exchanger IN OUT sensor 4 Check if the indoor air inlet blocked ...

Page 41: ... Manifold gauge correspond Does indoor outdoor EEV operate well Is there any clogged place in the piping ex filter Check the amount of refrigerant Test operation Open the service valve Replace a high pressure sensor Check the relevant EEV Check the piping Yes Yes Yes No Are service valves open Connect S net and Manifold gauge Mandatory No No No Yes ...

Page 42: ...ogged place in the piping ex filter Check the amount of refrigerant Isthereany leakageinliquidpipevalveor dischargecheckvalveofthestop sideoutdoor unitwhenseveraloutdoorunitsarein operation Test operation Open the service valve Replace a high pressure sensor Check the relevant EEV Check the piping Replace the relevant components Yes Yes Yes No Are service valves open Connect S net and Manifold gau...

Page 43: ... Test operation Are service valves open Do the values of S net and Manifold gauge correspond Does indoor outdoor EEV operate well Check the amount of refrigerant Replace discharge temperature sensor Open the service valve Replace a high pressure sensor Check the relevant EEV Connect S net and Manifold gauge Mandatory No No No Yes Yes 예 Yes No Is there any clogged place in the piping ex filter Chec...

Page 44: ...ll display E425 and the air conditioner will stop operating 1 Check the voltage on L1 R L2 S phase L1 R L3 T phase L2 S L3 T phase 2 When there is any terminal that does not have normal voltage check the external power of the air conditioner and take appropriate measures 3 If 3 phase power is normal check the phase of the power line using 3 phase tester If it shows reverse phase please change the ...

Page 45: ... correctly connected to the PBA Yes No Check and assemble the coil Is EEV coil correctly connected Yes Failure Change the sub cooler Check the leakage on sub cooler Normal Check the leakage on indoor unit EEV Failure Change the indoor unit EEV Normal Re install the pipe Check the piping connection Connect liquid gas pipe Failure Change the ESC EEV Check the leakage on ESC EEV Normal ...

Page 46: ...e sensors are exceeded 3 Will occur if the measured value of both high low pressure sensors is 1kgf cm2G ߣࢋ ͱи ϩͱ ʀ ʪʀ Replace the high low pressure sensor Replace the high low pressure sensor No Yes Did the high low pressure connector get disconnected from the PCB Refill refrigerant after vacuum No Yes Isthere refrigerantinsidetheset Pleasecheckbyconnectingthemanifold gaugetotheservicevalve Repla...

Page 47: ...despite a condition that does not belong to any of the above diagnosis methods read the temperature sensor value of the outdoor inlet air with View Mode or S net and if the actual outdoor temperature is different please replace the temperature sensor ߤࣗߣࣗߣߤ ŵʪ θ ʪθɇ ϩ ʪɇ ɇ ʪ ʪθθͱθ ʒЇθ ͱΧʪθɇϩ ͱ kθθͱθ Aͱʒʪ ࡠ kߥߥߤ ߢࢋ ͱи ϩͱ ʀ ʪʀ Is high pressure sensor correctly connected to PCB Replace the high press...

Page 48: ...l 14Vdc fan control voltage 16Vdc 3 Is the fan command control normal Normal 2Vdc fan command voltage 5Vdc Turn off the power before inspection Turn on the power and check if everything is normal o end service Proper connection of the connector with 2 outdoor fans Proper connection of the connector with single outdoor fan 1 3 DC_Link voltage Between DC_link GND 280Vdc 360Vdc 4 3 DC voltage Between...

Page 49: ...ration Are service valves open Dothevaluesof S netandManifoldgauge correspond Does indoor outdoor EEV operate well Isthereanycloggedplace inthepiping ex filter Change the OLP sensor Open the service valve Replace a high pressure sensor Check the relevant EEV Connect S net and Manifold gauge Mandatory No No No Yes Yes Yes Yes No Check the amount of refrigerant Check the piping ...

Page 50: ... Yes 1 Changethecompressor Whentheresistance valuebetweenphasesofthecompressoris differento Turnthepowerono Checkfor normaloperationo Endservice 2 Reassemblewire Whenthewireconnection ofthecompressoriswrongo Turnthe powerono Checkfornormaloperationo Endservice 3 Changethecompressor Whenloud abnormalnoisegenerates suchasmetal grinding orseverevibration No Check the compressor and wire assembly for ...

Page 51: ...PBA and COMP 2 Is the terminal within the compressor wire housing firmly assembled 3 Is there any problem such as disconnected housing or cut on some of the compressor wire Yes Yes Cont Change the outdoor unit PBA and check for normal operation o End service W V U Do not change the EMI outdoor unit main Indoor unit main PBA when E461 E467 error occurs o It is Compressor inverter PBA related error ...

Page 52: ...ck for normal operation o End service 1 Check for wire disconnection related to outdoor unit inverter PBA 2 Remove the obstacles on outdoor unit air inlet and secure enough space 3 Remove the obstacles on outdoor unit air outlet and secure enough space Check the indoor unit installation and environment o Check for normal operation o End service 1 Remove obstacles on air inlet and secure enough spa...

Page 53: ... installation and environment o Check for normal operation o End service 1 Check for wire disconnection related to outdoor unit inverter PBA 2 Remove the obstacles on outdoor unit air inlet and secure enough space Check the indoor unit installation and environment o Check for normal operation o End service 1 Remove obstacles on air inlet and secure enough space 2 Remove obstacles on air outlet and...

Page 54: ...rn the power on o Check for normal operation o End service 2 Reassemble wire When the wire connection of the compressor is wrong o Turn the power on o Check for normal operation o End service 3 Change the compressor When loud abnormal noise generates such as metal grinding or severe vibration No Checkthecompressor 1 Isresistancevaluebetweenphasesof thecompressorsame Ul V UlW VlW 2 Isthewireconnect...

Page 55: ...r wire 1 Is the compressor wire assembled infollowing color U RED V BLU W YEL o Check for wire disconnection on PBA and COMP 2 Is the terminal within the compressor wire housing firmly assembled 3 Is there any problem such as disconnected housing or cut on some of the compressor wire Change the PCB Cont Yes Do not change the EMI outdoor unit main Indoor unit main PBA when E464 error occurs o It is...

Page 56: ...al block power terminal cabinet and the power wire assembly ߣࢋ A ʪʀ ΧθͱʀʪʒЇθʪ Yes Re connect the power cable No Is the power cable connected properly 1 Correctly connect the wire between the reactor l outdoor unit inverter PBA o Check for normal operation o End service 2 Change the reactor o Check for normal operation o End service No Turn off the power Common Power joint connection failure AM XMD...

Page 57: ...e power terminal cabinet o Check for normal operation o End service Change the fuse Yes Yes No Change the outdoor unit inverter PBA and check for normal operation o End service Check the terminal block and the power terminal cabinet 1 Is screw on the terminal block firmly assembled 2 Is power cable and terminal on the power terminal cabinet firmly assembled Is EMI PBA fuse disconnected Cont Yes Ye...

Page 58: ...l DC LINK VOLTAGE 280 320V Check the value of DC link when error occurs and check the reactor disconnection ߦࢋ ʪɇϩ ϑ ϩʪ ΧʪθɇϩЇθʪ ʪθθͱθࡠ kߥߨߥࡡ kߦߡߡ Error occurs when heat sink of the inverter PBA exceeds rated range Clean and remove any dust and other foreign substances on the outdoor unit and then check the connection between heat sink and inverter PBA Make sure grease is applied properly and scre...

Page 59: ...58 Samsung Electronics 4 PCB Diagram 4 1 Outdoor Unit PCB 4 1 1 Main PCB 1 2 3 4 8 5 6 9 11 7 13 10 12 14 15 16 17 18 19 20 23 21 22 ...

Page 60: ... 8 CN12 DC12V YW396 02V BLU 9 CN403 OUT COND DIS OLP SMW250 08 WHT 10 CN404 SUCTION D_TUBE_TH1_TH2 SMW250 08 BLU 11 CN1 GAS LEAK SMW250 02 BLU 12 CN2 GAS LEAK SMW250 04 BLU 13 CN200 DOWN LOAD YDW200 20 BLK 14 CN847 LOAD1 YDW236 02 WHT 15 CN846 LOAD2 YW396 03AV BLK 16 CN845 LOAD4 YW396 03AV BLU 17 CN844 4WAY YW396 03AV YEL 18 CN842 HOTGAS YW396 03AV RED 19 CN101 A C POWER YW396 03AV WHT 20 CN304 DR...

Page 61: ...V WHT 3 CN401 COMP 42819 3213 BLK 4 REACTOR_A2 REACTOR_A2 YTR250 5 REACTOR_A1 REACTOR_A1 YTR250 6 REACTOR_B2 REACTOR_B2 YTR250 7 REACTOR_B1 REACTOR_B1 YTR250 8 N_ AC POWER OT 048 9 L_ AC POWER OT 048 10 CN551 DOWNLOAD YDW200 20 BLK 11 CN351 COMM MAIN SMW250 06 WHT 9 8 6 4 5 7 3 2 1 11 10 4 1 2 Inverter PCB 1Phase ...

Page 62: ... PCB Diagram 4 1 3 EMI PCB 1Phase No Local Function Description 1 L1 AC POWER OT 048 2 EARTH EARTH YEL GRN WIRE 3 L AC POWER BRN WIRE 4 N AC POWER SKY BLU WIRE 5 N1 AC POWER OT 048 6 CN01 AC POWER YW396 03AV WHT 5 4 3 2 1 6 ...

Page 63: ...62 Samsung Electronics 5 Wiring Diagram ८ ߢ ť ɇϑʪ This Document can not be used without Samsung s authorization ...

Page 64: ...otor RQGHQVRU 1 Ż Oil eparator Tair T t j G o G w U V BLDC Motor Filter Low Press S Comp Hot gas Tcout Tdis Filter Filter Top Accumulator Tsuc Sensor D bl i pressor Hot gas bypass V V ESC EEV Tsc Main EEV Accumulator Filt A Double pipe out tube temperature Service V V 9 52 Filter Name AM036TXMDCH AM048TXMDCH AM053TXMDCH A Service V V 15 88 19 05 ...

Page 65: ...V 240V 50Hz F ߣߡߩǤॄߣߤߡǤࡡ ߧߡ іࡡߤ Ҩ G ߤߩߡǤॄߥߢߦǤࡡ ߦߡ іࡡߤ Ҩ H ߤߩߡǤࡡ ߧߡ іࡡߤ Ҩ J â ߥߧߡǤࡡ ߧߡ іࡡߤ Ҩ K ç ߣߣߡǤॄߣߥߡǤࡡ ߦߡࢥߧߡ іࡡ ߢ Ҩ M M 127V 50Hz N Ę ߤߩߡǤॄߥߢߦǤࡡ ߦߡࢥߧߡ іࡡ ߤ Ҩ Feature1 X DVM 2 D DVM 3 K DVM 4 V DVM Inverter L DVM Slim M DVM Mini G DVMGHP C DVMGEO W DVMWater H H H AA BUYER Feature2 A Standard General Module C Standard Tropical Module D Standard General Non Module F Standard Tropical Non Module G...

Page 66: ... ϩЇθ ʪʒ ͱ ɇЇϩͱ ɇϩ ʀɇ ц ɇϩ ϑ ʪʒ ϩ ʪ A ʪʀ ͱΧʪθɇϩ ͱ ࢋ Check operation is carried out by the operating conditions From 30 minutes to maximum 50 minutes During Check operation due to the valve check the noise can be generated Sustained abnormal noise occurs check it 2 When an error occurs during the Check operation check the error code in the product and then service it 3 Shut down the Check operation ...

Page 67: ...dgment of the Outdoor Unit Outdoor Unit 4Way Valve Judgment of the operation Outdoor Unit MAIN EEV Judgment of the operation Ɵ ʪ ͱΧʪθɇϩ ͱ ͱʒʪ ͱ ϩ ʪ Їϩͱ ɇϩ ʀ Aͱ ϑϑ ͱ ࡠ ʪɇϩ ͱ ц ϩ ʪ ʒʪϩʪʀϩ ͱ ࢋ 5 Warranty Coverage of the Check operation As follows in order to accurately measure Indoor Outdoor temperature conditions in the Check operation is carried out Cooling Heating Outdoor Temperature C IndoorTempe...

Page 68: ...n 10 minutes Yes Indoor Temperature sensor setting Remote control indoor unit No Is deviations of the Indoor Unit Temperature sensors more than 10 No No Is Indoor temperature of the Indoor Unit by wired remote control setting Check the breakaway of sensor or replace PCB Does Temperature sensor connection wire of Outdoor Unit properly connect Yes Is Outdoor Unit Temperature sensor resistance value ...

Page 69: ...utomatic Commissioning after 1 hour from final operation stopped Yes Must wait more than 1 hour No Is deviations of the Indoor Unit Temperature sensors more than 10 No No Is Temperature sensor properly assembled Check the breakaway of sensor or replace PCB Is Temperature sensor connector properly connect Yes Is Temperature sensor resistance value normal Yes Is deviations of the Indoor Unit Tempera...

Page 70: ...es No Caution If the Outdoor Unit with a history of operation Automatic commissioning inclusion Maintain the vacuum mode for more than 5 minutes Vacuum mode of Outdoor Unt Check the pressure sensor breakdown Is Pressure sensor connector properly connect Is voltage 5V between 3 4 pin of PCB Pressure sensor terminal Is deviation of outdoor unit as following High pressure Max Min deviation less than ...

Page 71: ... No Yes No Yes No Yes No No Yes Yes No Yes No Is Outdoor Unit Power supply specifications and wiring status normal When Outdoor Unit is stopped state Is current CT value of Compressor 0 Confirmation and Measures Replace Inverter PCB Replace Inverter PCB Is resistance between the phase of compressor normal Restart Automatic Commissioning after current meter installation Isthecurrent measurementresu...

Page 72: ...sorof correspondingOutdoorUnitnormal Whencommissioning doesmaintain ThermoOnstatusofIndoorUnit Yes Is refrigerant in the system propely Yes Complete Discharge Temperaturesensor resistancevalue Temperature Resistance Ku 13 12 10 80 60 25 20 10 0 89 0 112 0 185 0 320 0 590 0 2000 0 2402 0 3602 0 5503 0 Resistance measurement method After separating the Temperature sensor connector from the PCB measu...

Page 73: ...ʪ ϑ Ƹ ʒʪϩʪθ ʪʒ ࡠ A ʪʀ ɇʀʀͱθʒɇ ʀʪ и ϩ ϩ ʪ ͱ ͱи ͱθʒʪθࢋ Yes No Yes No Yes No Yes No Commissioning results is Valve and Pressure sensor normal Is 4Way Valve connector properly connect Is 4Way Valve coil normal Wire breaking operation impossible etc Is PCB Output signal normal Replace 4Way Valve Body Retry the Automatic Commissioning If the continuous Undetermined is displayed Complete Check the corres...

Page 74: ...mal IsMainEEVconnectornormal ReplaceHubPCB Yes IsMainEEVcoilnormal Resistance wirebreaking operationimpossible etc PCBOutputsignalnormal ReplaceMainEEV Complete Yes No ConfirmationandMeasures No ReplaceCoil No Main EEV Coil Voltage VDC between the phase Ω ߨࣗߢࣗߤ Їϩͱ ɇϩ ʀ Aͱ ϑϑ ͱ kθθͱθ Aͱʒʪ Division Error Code Description Remark Dedicated Error Code E503 Service Valve is closed Refer to Service Valv...

Page 75: ...on environment In this case result of refrigerant amount detection may not be accurate If escape the warranty temperatures can not get the accurate results Indoor 20 30 C Outdoor 5 43 C Actions to take after the detection result Exessive amount of refrigerant Discharge 5 the detected amount of refrigerant and restart the refrigerant amount detection operation Insufficient amount of refrigerant Add...

Page 76: ...able International and or domestic law Samsung Electronics Co Ltd December 2019 Printed in Korea Code No AC 00259E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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