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Service Manual - DVM Downloads

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2. 2 Move down the switch n 1 di Display of the external unit AJ036JCJ5CH 7 mom PI pm d a 1 Rotary Switch Step 3 Follow of indication reported into table below for indoor unit addressing Step 4 Turn on the system power supply and waiting for 60 seconds after estabilishing communication between outdoor and indoor units During this phase the left display of outdoor unit display PCB DIS01 will count fom 00 01 02 to 15 Estabilished communication the left display will count sequentially 00 communication with indoor unit A 01 communication with indoor unit B 02 communication with indoor unit C 03 communication with indoor unit D X In case of Manual address mode you can do pipe check operation for check whether you connect the pipes correctly or not But you need set indoor address switch yourselves AMA Samsung Electronics TO SET ADDRESSING MANUALLY BY TYPE PICTURE oa AJOO9JNLDCH SLIM DUCT B AJ012JNLDCH AJO18JNLDCH ES Q ROTARY SWITCH SWO2 POSITION ACCORDING TO REFRIGERANT CIRCUIT CONNECTED 02A 1 B 2 C 3 D Indoor Unit Indoor Unit ue OUTDOORUNIT iin Att Att Att B Att B Att AJ020JCJ2CH
3. 1 RXD_ATARO 2 TXD_ATARO 3 8 N C 4 7 DATA signal 9 GND 10 DC 5V CN71 COMP 1 COMP U phase RED 2 COMP V phase BLU 3 COMP U phase YEL 5 7 AJO36JCJSCH L1 AC POWER L phase N1 AC POWER N phase 1 L1 BRN N1 SKY BLU 1 3 AC 220 240V AJ036JCJ5CH HUB PCB 1 CN33 Sub Comm 2 CN10 MICOM DOWN 3 CN10 AS PROM 1 DC12V 1 10 MICOM DOWN 1 7 MICOM DOWN 2 GND AS PRO USING 3 DC5V 4 COMI COM2 5 CN52 EVAOUT SENSOR 6 CN83 EEV D 7 9 1 2 EVAOUTA 1 4 EEV signal 1 4 EEV signal 3 4 EVAOUT B DC 12V DC 12V 5 6 EVA 0UT C 7 8 EVA OUT D 9 10 EVA OUT E 5 8 4 CN52 EVAIN SENSOR 1 2 EVAINA 3 4 EVAINB 35 46 EVAIN C 7 8 EVA IN D 39 410 EVAIN E Samsung Electronics 6 Wiring Diagram 6 1 INDOOR UNIT AJOOSJNNDCH AJO12JNNDCH AJO18JNNDCH OPTION OPTION EXTERNAL Ku 2 cK N83 RED CNB1 RED at HUMAN BK 1 CMMO1 RED a SENSOR 4 amp CNBO5 WHT RD N NTO3LYEL m n OPTION R SE CN801 YEL m SPI E 804 VENT 16 N806 BLU CN807 BLU GRY 2 AP em EVA IN SENSOR DISPLAY Bean 2 9 7 EvA QUT SENSOR 19 CN411 BLK
4. AJO18JNADCH 50 Indoor Unit 9 38 AJO12JNNDCH 41 AJO18JNNDCH 44 AJ009 012 018JNLDCH 37 Outdoor Unit 2 54 The Feature of Product Free Joint Multi Variable Indoor Unit Refrigerant Control Unit 2 6 BLDC INVERTER COMPRESSOR 6 m Samsung Electronics Product Specifications cont ITEM Indoor Unit Outdoor Unit Model AJ036JCJ5CH AJ007 009 012JNADCH 9 5 kg AJO18JNADCH 13 0 kg AJO24JNADCH 14 0 kg Net Weight Indoor Unit AJ009 012JNNDCH 11 4 kg AJO18JNNDCH 11 8 kg AJ009 012JNLDCH 23 3 kg AJO18JNLDCH 29 0 kg Outdoor Unit AJ036JCJ5CH 75 5 kg AJ007 009 012JNADCH 826 275 260 mm AJ018 024JNADCH 1063 317 294 mm l l Indoor Unit AJ009 012 018JNNDCH 575 250 575 mm Dimemsion AJ009 012JNLDCH 900 199 600 mm AJO18JNLDCH 1100 199 600 mm Outdoor Unit AJ036JCJ5CH 940 998 330 mm AJ007 009JNADCH 45 dB AJO12JNADCH 47 dB AJO18JNADCH 50 AJO24JNADCH 51 dB4 Noise AJOOSJNNDCH 38 AJO12JNNDCH 41 AJO18JNNDCH 44 AJ009 012 018JNLDCH 37 Outdoor Unit AJO36JCJSCH 54 The Feature of Product Free Joint Multi Variable Indoor Unit Refrigerant Control Unit Samsung Electronics BLDC INVERTER COMPRESSOR UG8T300FUBJU n 2 7 2 3 Accessory and Specifications AJO09JNLD
5. 400 0 Micom error or connector check 300 0 Resistance kQ 200 0 Yes 100 0 0 0 Exchange the Outdoor PBA B 4 5 7 Checking EEV Current EEV step value can monitored with VIEW MODE Press K4 key on the outdoor display PCB for several time to change the display to current EEV value Left 1 digit of the LED is data index and Right 3 digits is the value EEV A step AJ020JCJ2CH EEV B step AJ024JCJ3CH The step value range is between Zero and 480 EEV C step Samsung Electronics 4 33 4 6 PCB Inspection 4 6 1 Cautions for Part Replacement 1 The human body carries much static electricity Before touching a part for repair replacement or the similar purpose be sure to touch a grounded metal lic portion by hand to let the static electricity go through the metallic portion to the earth Especially when handling any micro computer or IC carefully remove such static electricity before touch ing them When repairing any part on a work bench be sure to place an insulative sheet on the bench and always keep the sheet surface neat without any metal frag ments If any such fragment touches a part a sec ondary trouble will possibly be caused in the part Before replacing any parts be sure to turn off the power supply If such replacement is done with the power supply kept on an electric shock short circuit or destruction of a part may resu
6. MULTI AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Model name AJOOIJNNDCH AJO18JNADCH AJ020JCJ2CH AJO12JNNDCH AJO24JNADCH AJO24JCJ3CH AJO18JNNDCH AJOOIJNLDCH AJO36JCJ5CH AJOO7JNADCH AJO12JNLDCH AJOOIJNADCH AJO18JNLDCH AJO12JNADCH Model code AJO18JNADCH AA AJ020JCJ2CH AA AJO12JNNDCH AA AJO24JNADCH AA AJO24JCJ3CH AA AJO18JNNDCH AA 009 AJO36JCJ5CH AA AJOO7ZJNADCH AA AJO12JNLDCH AA AJO18JNLDCH AA AJO12JNADCH AA SERVIC Manual a AIR CONDITIONER D AJ020JCJ2CH AJ024JCJ3CH OG a WN AJ036JCJ5CH CONTENTS Precautions Product Specifications Disassembly and Reassembly Troubleshooting PCB Diagram and Parts List Wiring Diagram Reference Sheet Contents 1 Precautions een 1 1 1 1 Installing the air conditioner sse retten tentent 1 1 1 2 Power supply and circuit breaker sss treten tette 1 1 PUR een rennen 1 2 1 4 Disposing of the unit ii 1 2 1 2 2 Product Specifications 2 1 21 The Feature of ee 2 1 2 2 Product Specifications en ini 2 2 2 3 Accessory and Specification S naeh 2 8 3 Disassembly and Reassembly 3 1
7. Step 5 Press Mode button to be changed to FAN mode in the ON status 1 Press Low Fan button to enter SEG9 value 2 Press High Fan button to enter SEG10 value Step 6 Press Mode button to be changed to HEAT mode in the ON status 1 Press Low Fan button to enter SEG11 value 2 Press High Fan button to enter SEG12value Step 7 Press Mode button to be changed to AUTO mode in the OFF status 1 Press Fan button to enter SEG14 value 2 Press High Fan button to enter SEG15 value Step 8 Press Mode button to be changed to Cool mode in the OFF status 1 Press Low Fan button to enter SEG16 value 2 Press High Fan button to enter SEG17 value Step 9 Press Mode button to be changed to DRY mode in the OFF status 1 Press Low Fan button to enter SEG18 value 2 Press High Fan button to enter SEG20 value Step 10 Press Mode button to be changed to FAN mode in OFF status 1 Press Low Fan button to enter SEG21 value 2 Press High Fan button to enter SEG22 value Step 11 Press Mode button to be changed to HEAT mode in the OFF status 1 Press Low Fan button to enter SEG23 value 2 Press High Fan button to enter SEG24 value Step 12 Press Mode button to check whether the option code you entered is correct or not Press operation button to enter option Samsung Electronics Setting an indoor unit address MAIN RMC
8. Remarks Error of temperature sensor PAD d X X X X indoor unit which is oper in the indoor unit Open Short ating Error of heat exchanger sensor in the indoor unit Displayed on appropriate Error of heat exchanger OUT sensor in indoor unit indoor unit which is oper Error of outlet temperature sensor in indoor unit ating Open Short For heat pump models only Error of outdoor temperature sensor a Error of COND sensor x x x Error of DISCHARGE sensor 9 Displayed on outdoor unit 1 No communication for 2 minutes between indoor units Communication error for more than 2 minutes 1 Error of indoor unit 2 Indoor unit receiving the i ae Displayed on the indoor communication error from outdoor unit unit regardless of opera 3 Outdoor unit tracking 3 minutes error X X X t n 4 When sending the communication Jiroro outdooru error from the outdoor unit the Displayed on the indoor mismatching of the communication numbers unit which is operating and installed numbers after completion of tracking Communication error for more than 2 minutes On Q Flickering X Off Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off Ifyou re operate the air conditioner it operates normally at first then detect an error again AD Samsung Electronics AJO09JNLDCH AJO12JNLDCH AJO18 NLDCH LED Display on the receiver amp display unit
9. Temperature Sensor SMW250 02 WHT Indoor Option S W Heater Discharge SMW250 02 YEL Indoor Fan TAP YW396 09AV WHT Temperature Sensor SMW250 02 YEL Ventilator YW396 03AV BLK Wired Remote Controller Power YW396 02 WHT Drain Pump YW396 03AV YEL External Control S W Part SMW250 02 RED Hot Coil YW396 03AV RED EEV SMW250 05 BLU SMW250 05 BLU Indoor Fan SSR YW396 03AV RED Display SMW200 11 WHT SMW200 11 WHT External Control Display Part SMW250 04 RED Power YW396 03AV WHT Transformer Out YW396 03AV WHT HALL IC SMW250 03 BLU amp 8 89 4 9 9 9 6 Main Power In YW396 03AV BLU MICOM Download SMW200 10 WHT e S e Indoor Outdoor Communication YW396 02 RED Samsung Electronics Power YW396 03AV BLU Transformer In SMW250 03 RED AJO12JNNDCH AJO18JNNDCH 13 14 13 15 10 10 v v
10. 2 4 Samsung Electronics Product Specifications cont TEM Model AJ020JCJ2CH Indoor Unit Design Outdoor Unit AJ007 009 012JNADCH 9 5 kg Indoor Unit AJ009 012JNNDCH 11 4 kg Net Weight AJ009 012JNLDCH 23 3 kg Outdoor Unit AJO20JCJ2CH 57 3 kg AJ007 009 012JNADCH 826 275 260 mm l l Indoor Unit AJ009 012JNNDCH 575 250 575 mm Dimemsion AJ009 012JNLDCH 900 199 600 mm Outdoor Unit AJ020JCJ2CH 880 798 310 mm AJ007 009JNADCH 45 dB AJO12JNADCH 47 Indoor Unit AJOO9JNNDCH 38 Noise AJO12JNNDCH 41 AJ009 012JNLDCH 37 Outdoor Unit AJO20JCJ2CH 54 dB The Feature of Product Refrigerant Control Unit Samsung Electronics Free Joint Multi Variable Indoor Unit BLDC INVERTER COMPRESSOR UG4T200FUAE4 Product Specifications cont TEM Model AJ024JCJ3CH Indoor Unit Design Outdoor Unit AJ007 009 012JNADCH 9 5 kg AJO18JNADCH 13 0 kg AJ009 012JNNDCH 11 4 kg l Indoor Unit Net Weight AJO18JNNDCH 11 8 kg AJ009 012JNLDCH 23 3 kg AJO18JNLDCH 29 0 kg Outdoor Unit 2 65 0 kg AJ007 009 012JNADCH 826 275 260 mm AJO18JNADCH 1063 317 294 mm Indoor Unit AJ009 012 018JNNDCH 575 250 575 mm Dimemsion AJ009 012JNLDCH 900 199 600 mm AJO18JNLDCH 1100 199 600 mm Outdoor Unit AJ024JCJ3CH 880 798 310 mm AJ007 009JNADCH 45 dB AJ012JNADCH 47
11. Compressor of the outdoor unit is operating although it is turned off in a HEAT mode When the unit is turned off while de ice is activated the compressor continues operation for up to 12 minutes maxi mum until the deice is completed Timer LED lt only of the indoor unit lights up and the air conditioner does not operate The compressor and indoor fan stop intermittently in HEAT mode Timer is being activated and the unit is in ready mode The unit operates normally if the timer operation is cancelled The compressor and indoor fan stop intermittently if room temperature exceeds a setting temperature in order to protect the compressor from overheated air in a HEAT mode Indoor fan and outdoor fan stop operation intermittently in a HEAT mode The compressor operates in a reverse cycle to remove exterior ice in a HEAT mode and indoor fan and outdoor fan do not operate intermittently for within 2096 of the total heater operation The compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases 4 12 The compressor stops intermittently or the fan speed of the indoor unit decreases to prevent inside outside air frozen depending on the inside outside air temperature Samsung Electronics 4 3 1 Wiring checking function This product is prohibited one indoor unit installation Don t use pipe checking operation and Auto Addressing Mode when one indoor u
12. Use Screw Driver Cabi Back RH 1 Unscrew and remove 10 screws in the Cabinet Front LF Use Screw Driver Mik Samsung Electronics 3 33 Procedure Remark 1 Turn 2 mounting nuts as shown in the picture and remove it Use Adjustable Wrench 1 Separate the Fan Propeller 2 Unscrew and remove the 8 Motor mounting screws Use Screw Driver 3 Disconnect the Motor wire From Ass y Control Out 3 34 Bracket Motor 1 Unscrew and remove 2 mounting screws in Bracket Motor Use Screw Driver Samsung Electronics No Parts 11 Control Out Samsung Electronics 1 2 3 Disconnect 9 Connecters From 55 Control Out Unscrew and remote 2 mounting screw in Control Out Use Screw Driver Separate Ass y Control Out Procedure Remark 3 35 Ass y 4way Valve 1 Purge the Coolant first 2 Separate the pipe from the Entrance Exit using a welder When removing the compressor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flame Assy EEVValve 1 Separate the pipe from the Entrance Exit using a welder 2 Unscrew and remove 2 mounting screws in Service Valve Use Screw Driver Compressor 1 Unscrew and remove 1 mounting nut in Cover Terminal Use Adjustable Wrench 3 36 Samsung Electronics Proc
13. 0 Use Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Explanation Detail Indication and Details Slave Master Option SEG13 SEG14 SEG15 a SEG17 SEG18 __ Noue sme 1 n Off control 0 2 Offcontol 1 Operation ON 1 No U Window On Off control 1 Option 969 9 52021 52022 52023 52024 Explanation PAGE Indication and Details 3 0 0 0 0 4 10 gt If you input a number other than 0 4 of the individual control of the indoor unit SEG20 the indoor is set as indoor 1 1 The window on off function applies to the following unit AJN AR Samsung Electronics 4 2 2 Changing a particular option If you are going to use up to SEG 24 please refer to following instruction Notinuse Use Change temperature display O Celsius 1 Fahrenheit Sound Mute 0 ___ 2 If you want to use multiple functions add each of the use value of the function you want to used and input the final addition as option value Use Fahrenheit Sound mute 1 2 3 Ex 044217 1d00e6 200000 300000 When using Sound mute 044217 1d00e6 200002 300000 When using Fahrenheit and Sound mute 04421 7 1d00e6 200003 300000 Samsung Electronics 4 11 4 3 Items to be checked first 1 The input voltage should be rating voltage 10 range The air conditioner may not operate properly if the voltage is out of this range 2
14. Buyer Name Rating Voltage Code Type A 115V 60hz 10 220V 60Hz 10 B C 208 230V 60Hz D 200 220V 50Hz E 220 240V 50Hz F 208 230V 60Hz 30 G 380 415V 50Hz 3 H 380V 60Hz 30 J 460V 60Hz 30 K 220 240V 50 60Hz 10 M 127V 50Hz N 380 415V 50 60Hz Refrigerant Type Refrigerant COOLING ONLY HEAT PUMP R410a HEAT RECOVERY COOLING ONLY HEAT PUMP R22 Cooling only Heat Pump N A Grade Code Type 2 2 Room 3 3 Room 4 4 Room 3 5 Room N MultiRoom Samsung Electronics 7 8 Refrigerating Cycle Diagram AJ 020 CJ ACH CYCLE DIAGRAM m 0 in Sensor ROOM A EH in Sensor ROOM B A May VN REFRIGERANT FLOW amp HF7H 341 SS UN COOLING 0 out Sensor ROOM A u 1 out Sensor ROOM B Sub ACCUMULATOR ef Louver 600 FP 14 H G 5 024 3CH CYCLE DIAGRAM A Filter x 0 in Sensor ROOM A EEV D Filter wd 1 in Sensor ROOM B Filter mo EN 2 in Sensor ROOM C 4 Way VN 7 340 55 5 REFRIGERANT FLOW COOLING alo 0 out Sensor ROOM A al 1 out Sensor ROOM 2 out Sensor ROOM C ACCUMULATOR COMPRESSOR 1850cc GOT 260F UAEW Samsung Electronics 9 AJO36JCJ5CH CYCLE DIAGRAM 2 0 x 800 x BEA LEAL 9 52 P Liquid line stop valve F
15. CWE HL ONOD IV HH ux Welt 038 205N9 BT L Wo r E gs 1 H souvmsra 818 WE TN 5 aci ett gt mass LH 10080 TZ Tina us di umso 3800 M 2 N 1 T 0 AVM 128 009 5009 130 029 V OWNLOAD 44 9000 6009 HI NI 8 V3 Cogs 166 JAIND 0 2 lt 00 i HLUV3 22 7 qu 7 2 Puma I 288 Im lt lt Cool 5 2 lt N18 ANS RE Hluv3 lt 0909 x lt S fnis lt Ed n a nsl Nua A EJ 1 1 Ze E TE Samsung Electronics 6 4 AJ036JCJ5CH SKY BLU 4 WAY VALVE SKY BLU TTSTS CNO1 WHT ES nn 11 3 BV at 17 Oan BR 1112 ky BLU T MIMIMININEM NN 10 MN NW 69 60 69 60 69 69 69 6969 69 aH HIGH PRESSURE SENSOR AS ee eek ewes INDOOR UNIT AC INPUT 2 1 esp ea a Bun 112131415 YEL GRN 2 SEP WI Eva 1 SE EK ete ML a 99160109160 Fam Samsung Electronics 6 5 6 6 MEMO Samsung Electronics 7 Reference Sheet 7 1 Selecting Area for Installtaion Select an area for installation that is suitable to cu
16. diye Abnormal conditions fm Remarks Self diagnostic error including the indoor unit not detected Displayed on appropriate 1 Error of electronic expansion valve close indoor unit which is oper 2 Error of electronic expansion valve open ating 3 Breakaway of EVA OUT sensor Displayed on outdoor unit 4 Breakaway of EVA IN sensor 5 Breakaway of COND MID sensor 6 2nd detection of refrigerant completely leak 7 2nd detection of high temperature COND 8 2nd detection of high temperature DISCHARGE 9 COMP DOWN due to 2nd detection of low Displayed on appropriate pressure switch indoor unit which is oper 10 Error of reverse phase ating 11 Compressor down due to 6th detection of Displayed on outdoor unit freezing 12 Self diagnosis of condensation sensor G8 G9 13 Compressor down due to condensation ratio control Error of setting option switches for optional accessories he anne ol Q Flickering X Off Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off Ifyoure operate the air conditioner it operates normally at first then detect an error again Samsung Electronics 4 3 AJOO7JNADCH AJOO9JNADCH AJO12JNADCH AJO18JNADCH AJO24JNADCH LED Display on the receiver amp display unit Error indicator LED Display pie Error Measures to take by an installer 88 Di
17. 15 the link cable linking the indoor unit and the outdoor unit linked properly The indoor unit and the outdoor unit shall be linked by 4 cables Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables Otherwise the air conditioner may not operate properly 3 When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the malfunction of the air conditioner Operation of air conditioner Explanation In a COOL operation mode the compressor does not operate at a room temperature higher than the setting temperature that the INDOOR FAN should operate In a HEAT operation mode the compressor does not operate at a room temperature lower than the setting temperature that indoor fan should operate Fan speed setting is not allowed in AUTO a or DRY Cf mode In happens after a delay of 3 minutes when the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the indoor fan is adjusted automatically with reference to a temperature of the air blew The speed of the indoor fan is set to LL in DRY mode Fan speed is 5 steps and is selected automatically in AUTO mode Compressor stops operation intermittently in DRY Cf mode Compressor operation is controlled automatically in DRY mode depending on the room temperature and humidity
18. MOON Bill une nee ee 3 2 32 Outdoor een eur 3 29 4 Trouble shooting entente 4 1 4 1 Display Error and Check Method anne 4 1 indoor ae 4 1 A UNCON UN MM 4 5 4 2 Setting Option Setup Method 4 7 4 2 1 Setting an indoor unit address and installation option 4 7 4 2 2 Changing 4 11 4 3 Items to be checked U 4 12 4 4 Checking and Testing operation 1 eee e 4 16 4 5 Fault Diagnosis by 4 24 4 24 4 5 1 1 Indoor temperature sensor open short l a 4 24 4 5 1 2 Indoor FAN Error BLDC MOTOR MODEL 0 sssssscccsssssccssssssscsssnsscesstsseccctsnsceccsssseccstssees 4 25 4 5 1 3 Communication error after finishing Tracking 4 26 4 5 1 4 EEPROM Circuit ANGIE ee 4 27 4 5 2 Outdoor unit is not powered on Initial diagnosis 1phase 4 28 453 Outdoor dnit ah an ee 4 29 4 5 4 Compressor startup error Compressor Lock error Compressor rotation error 4 30 4 55 PM Over CURFENIT GON ee ea 4 31 4 5 6 Checking Temperature sensor ssscsssssssccsssssscssssssssssssscecssssssecsssnsccesssssscesss
19. Screw Driver 2 Push the Bell Mouth in the direction site to where it s installed on the Control Box to remove it 4 Drain Pan 1 Unscrew the screws on the 4 corners of the indoor unit Use Screw Driver 2 Remove the Drain Pan from the indoor unit 3 24 Samsung Electronics No Parts Procedure Remark 5 Drain Pump amp Hose Evap Temperature Sensor Samsung Electronics the side of the 1 Remove the 2 fixed screws and nect the white drainage hose from Drain Pump Use Screw Driver 2 Remove the 2 screws and take the Drain Hose out from the indoor unit to disas semble the transparent Drain Hose indoor unit Use Screw Driver 1 Use your hand to remove the temperature sensor attached to the Evap Pipe along with the fixing clip discon the fixed on 3525 a Parts Fan Motor Procedure 1 Turn the hexangular nut attached to the top of the Fan counterclockwise to remove it Take the Fan out of the Motor 2 Turn the three hexangular nuts on the Motor counterclockwise to remove the nuts Take the Motor Wires attached to these three locations out with your hands prior to remov ing the Motor 8 Evaporator 1 Remove the screws of the Steel Holder Evaps that are used to fix the Heat Exchanger and then remove it Use Screw Driver 2 Remove the 2 fixing screws of the Partition Evap at the Heat Ex
20. m r lt TX Z RAC Crystal X can be removed from the buyer card if there are not enough digits Samsung Electronics E E Buyer Name Rating Voltage Type A 115V 60hz 10 B 220V 60Hz 10 C 208 230V 60Hz D 200 220V 50Hz E 220 240V 50Hz F 208 230V 60Hz 30 G 380 415V 50Hz 30 H 380V 60Hz J 460V 60Hz 30 K 220 240V 50 60Hz 10 M 127V 50Hz 2 gt Grade N 380 415V 50 60Hz 3 Refrigerant Type Refrigerant COOLING ONLY HEAT PUMP HEAT RECOVERY R410a COOLING ONLY HEAT PUMP R22 Cooling only Heat Pump N A Type FLAGSHIP PREMIUM DELUXE STANDARD Model Code OUTDOOR Capacity BTU H 100 CMH 10 HP 10 WATT 100 Product Type Code Type AM DVM AJ PMA AC USD ASD AE EHS AN VTL AK PAK AG CHR PMA is FJM Model Separator Type Normal Set NASA Indoor No NASA Outdoor NASA Set NASA Indoor NASA Outdoor No NASA Feature Type IFREE JOINT MULTI PACK MULTI DVM HOME X can be removed from the buyer card if there are not enough digits
21. the inside of PCB 2 In case of disassembling the PCB separately disassemble the PCB from the case with pushing the hook 3 Disassemble the Case PCB from Case con trol in Unscrew 2 screws 4 If only the disassembly of Case Control is required detach it from the set after disassembling 2 indicating screws 3 21 AJOO9JNNDCH AJO12JNNDCH AJO18JNNDCH Panel 1 Pull both hooks and take the grille downward Two safety clips are mounted to the front grille to prevent it from dropping 2 Detach the safity clip and take up the grille 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the Remocon Receiver and Blade Connector Wire from the PBA 3EA 5 Push the 4 panel corners and cover downwards to remove it 3 22 Samsung Electronics 6 Disassemble the bolts that are assembled with the indoor unit at the 4 panel corners 7 Press the Hangers at both sides of the panel inwards to remove it from the indoor unit s hook Remove the panel from the indoor unit 2 Control Box 1 Disconnect the Connector Wire that is con nected to the indoor unit s PBA 2 Unscrew the 2 fixed screws on both sides of the Control Box and disassemble the Control Box from the indoor unit Use Screw Driver Samsung Electronics 3 23 Parts Procedure Remark 3 Bell Mouth 1 Unscrew the screw fixed on the Bell Mouth Use
22. 024 Model check CN901 AJO36 Model Check CN 90 2 Check procedure Turn off the power and restart the unit Is the fan CN901 connected correctly Is the resistance between pin 1 and pin 3 of the fan CN901 over 1MO Yes Is the voltage between pin 1 and pin 3 of the fan CN901 over 250V Yes Is the voltage between pin 4 and pin 3 of the fan CN901 over 15V Yes Is the voltage between pin 5 and pin 3 of the fan CN901 during the operation 1V 6V Yes Is the fan running the operation mode Yes Does the voltage between pin 6 and pin 3 of the fan CN901 fluctuate High 5V 6V Low 0V 1V No Is the voltage between pin 5 and pin 3 of the fan CN901 OV 1V Yes Replace the inverter PCB Samsung Electronics No No No No No Yes No Check CN901 Replace the fan motor Check the outdoor unit power supply error Replace the inverter PCB 4 Replace the inverter PCB Replace the fan motor Replace inverter PCB Replace the fan motor 29 4 5 4 Compressor startup error Compressor Lock error Compressor rotation error 1 Check items 1 Are the power supply and compressor connecting wires connected correctly 2 Is the inter phase resistance of the compressor normal 2 Check procedure Turn off the power and restart the unit Is the resistance valve betewwn the phases U lt gt V V lt gt W W
23. 1 Check whether power is supplied or not When the indoor unit is not plugged in there should be additional power supply in the indoor unit 2 The panel display should be connected to an indoor unit to receive option 3 Before installing the indoor unit assign an address to the indoor unit according to the air conditioning system plan 4 Assign an indoor unit address by wireless remote controller The initial setting status of indoor unit ADDRESS MAIN RMC is 0000 100000 200000 300000 There is no need to assign extra ADDRESS for 1 1 installation between indoor unit and outdoor unit Option No OAXXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Setting Main 100 digit of indoor 10 digit of indoor A single digit of address unit address unit indoor unit Explanation PAGE MODE Remote Controller Display No Main Indication address v 100 digit 10 digit ange Main J J digit address setting mode Option SEG9 SEG11 SEG12 Setting RMC Group address channel 16 Explanation Group address Remote Controller See N s Heat Heat N Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details Indication and Details RMC address setting mode X You must set RMC address setting mode whe
24. 17 2 Apply the power to the outdoor unit Outdoor unit will try to communicate the number of indoor units specified by SW01 on outdoor display PCB Does LED show Normal display Normal display means right 2 digit of LED on Display PCB displays 00 and left 2 digit of LED displays indoor unit address number OK This number is displayed only while communicating so each number is displayed for a short time in order oc Is error code started with displaved on the LED Nothing is displayed on the LED isplayed on the Check the indoor unit outdoor unit or wiring ud SEC according the error code table Pipe Checking Operation Auto Addressing Mode Automated checking of pipe connection Auto addressing option Turn on the outdoor unit and wait for one minute During these 60 seconds the left dispaly DISO1 will show sequentially 00 01 02 03 15 00 E199 is showed on the display PCB of outdoor unit It means you didn t do Pipe check operation Push K1 button on the display PCB of outdoor unit once then begins to start Pipe check operation with displaying as below DIS 02 t J Display Ws rior 2800000 LU i d MET co I al DIS 01 is flickering on the setting time Outdoor Temperature 0 C or more less than 0 C Time duration Cool mode Heat mode 5min 10min 20min 50
25. 4 You press button to move to the next setteing page 5 After setting option press button to check whether the option code you input is correct or not Auto Cool Dry Fan Heat com bad Lt gt uw LI gt ml gt um LI gt ml Ll Auto Cool Dry Fan Heat gt gt n gt gt ort Ll 001 11 Lt oot Ll oret 1 6 Press operation button with the direction of remote control for set SEG1 SEG7 SEG13 SEG19 are not set as page option caution Set the SEG1 SEG7 as ON status and SEG13 52619 as OFF status EX Set the each option separately since you cannot set the ADDRESS setting and indoor unit installation setting option at the same time Samsung Electronics 4 7 The procedure of setting option Step 1 1 Remove the batteries from the remote controller 2 Insert batteries while pressing High Temp Button and Low Temp Button Step 2 1 Press Low Fan button to enter SEG2 value 2 Press High Fan button to enter SEG3 value Step 3 Press Mode button to be change to Cool mode in the ON status 1 Press Low Fan button to enter SEG4 value 2 Press High Fan button to enter SEG5 value Step 4 Press Mode button to be changed to DRY mode in the ON status 1 Press Low Fan button to enter SEG6 2 Press High Fan button to enter SEG8
26. 60 0 2 0 60 AJ036JCJ5CH 0 1 0 50 0 1 0 50 0 1 0 50 Is the resistance value between the compressor boday and the chassis Replace the compressor in the range of MegaQ 1 0 Are the temperature sensor location and the mice vua nora Turn off the power and reconnect the table Turn off the power and correct or replace the Is the cable between the compressor and the U temperature sensor location PCB connected correctly Replace the PCB Samsung Electronics 4 31 4 5 6 Checking Temperature sensor In case of a sensor in outdoor unit temperature can be monitored with VIEW MODE Press K4 key on the outdoor display PCB for several time to change the display to sensor temperature value Left 1 digit of the LED is data index and Right 2 digits are the value Value Remark Discharge sensor temperature OLPsensor temperature The unit is degree C Condenser sensor temperature Outdoor sensor temperature 4 5 6 1 Outdoor Discharge OLP temperature sensor error 1 Check Items 1 Is the sensor connected correctly 2 Is the sensor placed correctly 3 Does the both terminal of sensor satisfy the resistance value in accordance with temperature 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color NO Reconnect the sensor connector No Sensor Replace Sensor resistance
27. AJ024JCJ3CH INSTALLATION TEST MODE with all indoor units functioning Please do cool mode try run or heat mode try run Cool mode try run Push the K2 button three times Heat mode try run Push the K2 button once After 12 minutes of stationary condition check each indoor unit air treatment Cooling mode indoor unit check gt Inlet air temp Outlet air temp From 10 K to 12 K indicative delta T Heating mode indoor unit check gt Outlet air temp Inlet air temp From 11 K to 14 K indicative delta T In heating mode the indoor fan motor can remain off to avoid cold air blown into conditioned space Samsung Electronics 4 15 4 4 Checking and Testing operations It could take maximum 60 minutes to operate for the protection of the compressor if the outdoor temperature is below 5 C Ampere Limit Setting amp Changing Procedure 2 Do not adjust the Ampere Limit Switch if it s not necessary before modifying it evaluate the total number of electric and electronics za loads consumption and use Ampere limits switch just as emergency solution or in case the system is anyway oversized compared to real thermal load needed 5 Ampere Limit Switch is initially set to the default value table below Ampere Limit Switch is on the PCB of outdoor unit XThe designs and shape are subject to Contact the authorized service technician or dealer for
28. EEPROM error Option error Outdoor error displa _ EEV or Valve Close error Self diagnosis LAMP ON LAMP OFF BP LAMP BLINK Note the Set doesn t work No power check the Thermal fuse of Terminal block OPEN or SHORT with Multimeter Measure the Thermal fuse housing PIN 1 2 OPEN disconnection gt defective product This Document can not be used without Samsung s authorization Samsung Electronics AJOOSJNLDCH AJO12JNLDCH AJO18JNLDCH QU2 T Wr m 000 TRANS ane 0 LL RED PINK y A 71 125 CNB3 RED Dam E Sar Bl 122 a CN62 BLU UN 7 CE x BU T HH 214 HC INDOOR a OP WC r 710051 BK amp MODULE 2p 8 9 Se ay 58 BLK BRN CN71 BLU 22 240 1215 BRN gt m YEL GRN TERMINAL 919019 ERRIRE OPTION WIRED REMOCON L MED REGON CMT 7 ju LSS PERUIN __ Qo NI COMMUNICATION OPTION VENTILATOR d WI This Document can not be used without Samsung s authorization Samsung Electronics 6 3 6 2 OUTDOOR UNIT AJO20JCJ2CH AJO24JCJ3CH gt T 3 gm T fefe mele L tele Ti D fs Hd y uU LHM LO6NO SOLOW NV i I Aa 82 LHM LOSNO
29. MICOM DOWNLOAD 20 1 amp AS PRO fin CN701 WHT F F2VIV2F3IA ap M iti ey 10K 7 OPTION N LL Remote control ler COM2 N L2 Comm line between indoor and outdoor This Document can not be used without Samsung s authorization Samsung Electronics 6 1 AJOO7JNADCH AJOO9JNADCH AJO12JNADCH AJO18JNADCH AJO24JNADCH UP DOWN STEP MOTOR 1EA OPTION 1 r Wek 2 2 I p 1 SPI 65 GRILLE STEP MOTOR Hes BLK Sh ____ OPTION c E 1 64 22 UP DOWN STEP MOTOR WHT 5 F STOR WHT 5 REDI AE lt i OPTION L m RED GRILLE Y 2 3 CN63 BLK BLK H HH 2 4 12 GRILLE Y gt H L Cm RECEIVER E 1 35 _ _ _ OPTION s M SEL uns _ _ _ eerie ATEST CONNECTOR i nn GRN YEL ABSORBER __ GRN YEL EARTH I m OPTION 2 55 JU Uf s Ufer mopman ae USE COPPER SUPPLY WIRES m ea UTILISER DES FILS 91002160160 1 toe EN CUIVRE ERROR MODE TIMER Communication error indoor lt gt outdoor ROOM TH sensor error INDOOR MID INDOOR IN PIPE TH sensor error Qj errorlindoor Q
30. batteries run out or the transmitter or receiver of the remote controller is blocked by obsta cles change the batteries or keep the obstacles away from the controlling area Also the remote con troller may not work under intensive light from a 3 wave length lamp or a neon sign due to the EMI In this case take the remote controller closer to the receiver Operation Who installs the air conditioner Relocation Re installation When relocating or re installing the air conditioner make sure to contact Samsung Electronics Service Center or Authorized Service Agent and have them to do the job If not it could cause personal injury or product damage The cost for the relocation re installation of the air conditioner is subject to the customer s expense There is a cost table But our service engineer needs to visit to total up the cost correctly When you move in make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process Is it possible to install the outdoor unit outside It is possible to install it at a designated place in the apartment or on the rooftop nearby But it s illegal hanging an angle iron case with the outdoor unit in it outside the apartment Also it is Installation illegal obstructing passers by with the outdoor unit installed outside What can be done to install the outdoor unit facing the road because it is a commercial building The follow
31. of exeeding total In case of exeeding total Standard lt Total lt 70m pipe lengh 40m pipe lengh 40m 2 Add 10g of refrigerant Add 10g of refrigerant R410A for every 1m R410A for every 1m In case of exeeding total In case of exeeding total Standard lt Total lt 80m pipe lengh 40m pipe lengh 40m AJ036JCJ5CH Add 20g of refrigerant Add 20g of refrigerant R410A for every 1m R410A for every 1m It would be the best choice to use the standard tube length to keep the basic quality of Room Air conditioner for example cooling capacity sound level vibration level and reliability But according to a certain different installation condition the connection tube length could be changed in the recommendation length that is Shown above In this case installer should keep the installation condition to keep the quality of Room Air conditioner Refrigerant should be charged additionally as written above according to the change of the length of the connection tube It needs to affect the decrease in cooling and heating capacity or of the reliability of compressor that may be caused by a lac k of refriger ant Installation position difference between the indoor unit and the outdoor unit should not exceed over than 15 meters When the connection pipe is been extended longer than 5 meters it might need to change the diameter of the electrical wire to a larger size in order to keep a voltage drop for starti
32. separate sunblind if exposed to direct sun light Make sure that you install the outdoor unit in area allowing the good air moment not amplifying noise or vibration especialy to avoid disturbing neighbors Fix the unit firmly if it is mounted in a high place Make sure that you install the outdoor unit in area providing the good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet and the air outlet Make sure that you install the outdoor unit in area free from animals or plants Make sure that you install the outdoor unit in area not blocking the traffic Make sure that you install the outdoor unit in area easy to drain condensed water from the indoor unit Make sure that you install the outdoor unit in area which provides easy connection within the maximum allowable length of a coolant pipe If you install within 50m no add a additional refrigerent This model is chargeless within 50m Make sure that you install the outdoor unit in an area which is large enough to accommodate the measurements shown in figure on the next page If you install the excessive length of pipe add additional refrigerant as 20g or 10g per unit meter refer to the table below Model Total connecting pipe length L Adding refrigerant 20 2 LT 30m Chargeless LT gt 30m LT 30m x10g LT lt 40m Chargeless AJ024JCJ3CH LT gt 40m LT 40m x10g LT lt 40m Chargeles
33. units PCB display E202 Error code Analysis Check point This problem is caused by outdoor unit s communication part trouble or indoor units power and communication line trouble Remarks The pipe checking operation Step 1 Check to connect outdoor unit and indoor units cable Pipe connecting Step 2 Guidance Replace outdoor unit s ass y control or indoor unit s 55 control EEV Coil Basically This error caused by communication between Indoor Units and Outdoor Unit First of all check the all communication connection and PCB s status Samsung Electronics 4 21 Operation Error Contents While using cooling or heating indoor units display E161 Error code Check point Remarks This problem is caused by user s fault User s simultaneously operate 2 more indoor units in the same time cooling and heating mode FJM is operate by just cooling or heating mode only Only HR system can operate cooling and heating mode Guidance simultaneously in the same time Outdoor unit will be operate by first received signal another operation signal is not applied system Contents While using cooling or heating System turn off and display E416 Error code Check point E416 is outdoor unit high discharge temperature safety control Error code Analysis After System restart automatically until 3 times system stop and display this error System can be operated by remote contro
34. value 20 C 242kohm 309c 1660hm Yes Is the sensor resistance value 200kohm 3 at the room temperature of 25oc 5 1380hm Yes 40 c 115kohm Connect the sensor to PBA connector supply power and measure the voltage of sensor in the connector Below 0 5V or Over 4 5V Exchange the Outdoor PBA Temperature Resistance No m MIN kQ Micom error or connector check Resistance kQ Yes Exchange the Outdoor PBA Temperature C Samsung Electronics 4 5 6 2 Outdoor out cond temperature sensor error 1 Check Items 1 Is the sensor connected correctly 2 Is the sensor placed correctly 3 Does the both terminal of sensor satisfy the resistance value in accordance with temperature 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color Reconnect the sensor connector Is the sensor resistance value Sensor Replace 200kohm 3 at the room temperature Sensor resistance value 20 c 12 09kohm of 25 30 C 8 31kohm 35 c 6 94kohm 409c 5 83kohm Connect the sensor to PBA connector supply power and measure the voltage of sensor in the connector Below 0 5V or Over 4 5V Exchange the Outdoor PBA No Temperature Resistance 600 0 sooo m
35. 0 Power Cooling W Consumption Heating 50 Operating Cooling 0 4 Current Heating 0 4 Cooling Heating Btu Wh x Er Outer Dimension W H D mm 1063 317 294 Weight 13 14 Liquid 6 35 1 4 inch Gas 12 70 1 2 inch 15 88 5 8 inch Type Cross Flow Fan u Size 106xL830 BLDC Blower Motor Capacitor uFxVAC Heat Exchanger Q7 F P1 3 H fin hydrophile Q7 F P1 3 H fin NGS 010025 15622A 010025 15625C 27323C 372604 274450 372604 AJOO7ZJNADCH AJO09JNADCH AJO12JNADCH INDOOR UNIT Type Wall mounted Cooling 9000 Heating 10900 Cooling Refrigerant Pipe Option Code ITEM Air Volume Performance Heating Cooling Noise Heating Power 1 208 230 60 Power Cooling 30 Consumption Heating 30 Operating Cooling 0 3 Current Heating 0 3 Cooling Heating Outer Dimension W H D 826 275 260 Weight 9 5 Liquid 6 35 1 4 inch Gas 9 52 3 8 inch Type Cross Flow Fan Refrigerant Pipe Blower Baba alt Size 98 1633 n Type BLDC Capacitor uFxVAC Heat Exchanger Q7 F P1 3 H fin Hydrophille Q7 F P1 3 H fin hydro 010025 16623A 010025 16624A 010025 16626B 271416 372A04 271920 372A04 272328 372B04 Motor Option Code Sam
36. 2 4 1 4 signal 5 DC 12V CN12 DC12V 1 DC12V 2 GND 555 5 6 AJO36JCJSCH MAIN 1 1112 2 OUTDOOR MAIN 0841 42 LI NN Bain eS 11117111 gt 1 CN11 ACPOWER 2 CN75 4WAY V V 1 3 220 240 Vac 1 3 220 240 Vac 5 CN82 EEV B 6 CNS1 EEV 1 4 EEV signal 1 4 EEV signal DC 12V DC 12V 9 CN31 COMM 10 1 COM1 1 DC12V 2 COM2 2 GND 3 DC5V 4 COMI COM2 3 3 5 1 2 Outdoor Temp 3 4 Cond Temp 5 6 Discharge Temp 7 8 OLP Temp 7 CN39 COMM INV 1 TXD 2 RXD 3 GND 4 DC 5V DC 12V 6 INV SMPS signal 11 CN37 MICOM DOWN 31 410 MICOM DOWN 4 81 1 4 EEV signal DC 12V e CN12 DC12V 1 DC12V 2 GND 12 1 7 MICOM DOWN AS PRO USING Samsung Electronics AJO36JCJSCH INVERTER PCB Reactor A1 B1 Reactor A2 WHT Reactor B2 WHT 601973 For S W engineer debugging Samsung Electronics 2 Reactor A2 B2 Reactor A2 BLK Reactor B2 BLK 91 2 1 DC 360V 2 N C 3 GND 4 DC 15V 5 FAN RPM 6 FAN RPM feedback CN50 2PIN RED Communication 1 RXD 82 TXD 3 GND 4 DC 5V 5 DC 12V 6 INV SMPS signal 0 CN90 FAN1 1 DC 360V 2 N C 3 GND 4 15V 5 FAN RPM 6 FAN RPM feedback
37. 50 575 Weight kg Gas Inch 3 8 Refrigerant Pipe Liquid 1 4 2 Size mm p320 1ea 7B Type BLDC Blower mone Capacitor uFxVAC O7 2R 8S 1357 D7 2R 105 1357 9 1387 3 1327 5 1387 3 1327 5 Option Code 01507F 1660F8 01507F 166219 01507F 17625D 231A21 300100 232328 300100 23343C 300100 en AJOO9JNLDCH AJO12JNLDCH AJO18JNLDCH INDOOR UNIT Type Slim Duct Cooling 9000 12000 18000 Btu h Heating 10000 13000 19000 Cooling 3 8 3 9 8 14 8 Air Volume m min Performance Heating 8 3 9 8 14 8 Cooling 37 Noise dB A Heating 38 37 Power Q V Hz 1 208 230 60 Power Cooling W 76 150 Consumption Heating 76 150 Power Operating Cooling A 0 35 0 69 Current Heating 0 35 0 69 EER Cooling Heating Btu Wh in Outer Dimension W H D mm 900 199 600 1100 199 600 Weight kg 233 29 0 Size Gas mm 9 52 12 7 Refrigerant Pipe Liquid mm 6 35 B Type ran 2 Size mm 92XL634 92XL844 3 Blower Motor Type _ Capacitor uFxVAC Heat Exchanger Q7 FP1 5 SLIT NGS Q7 FP1 3 SLIT NGS Option Code 015201 14023E 015201 160370 011224 1940E6 200001 300000 200001 300000 200001 300000 2 2 Samsung Electronics Product Specifications cont AJO18JNADCH AJO24JNADCH INDOOR UNIT Type Wall mounted ITEM Cooling Heating Cooling Air Volume Performance Heating Cooling Noise Heating Power 1 208 230 6
38. 62 CN81 SPI 1 SPI SIGNAL 133 DC 12V CN43 CN32 CN91 CN31 CN51 CN75 1 WIFI UART SIGNAL 2 UART SIGNAL2 3 WIFI RESET SIGNAL 4 GND 5 DC 12V 6 N C CN51 DISPLAY 1 11 14 17 20 MICOM DOWN 12 13 15 16 N C TEMPERATURE SENSOR 11 52 ROOM SENSOR 34 EVA MID SENSOR 5 6 EVA IN SENSOR OJ CN21 COMMUNICATION 1 2 485 COMM SIGNAL CN72 BLDC FAN MOTOR 1 DC310 340V 2 N C 3 AGND 4 DC 15V 5 FANRPM 6 FAN FEEDBACK CN32 FIM NASA 1 7 11 14 JM NASA SIGNAL 8 DC5V 9 GND 10 DC 12V CN75 SMPS POWER IN 1 3 AC220 240V 2 N C CN76 SMPS DC OUT 12V GND 5V 1 DC5V 2 GND 13 DC 12V 19V GND 310V 1 DC310V 340V 12243 NC i4 DC 19V 27V 5 AGND 9 31 DOWNLOAD DOWNLOAD Samsung Electronics 5 2 Outdoor Unit AJO20JCJ2CH AJO24JCJ3CH Samsung Electronics 1 CN95 MICOM DOWN 1 10 MICOM DOWN 5 CN52 EVA OUT SENSOR 1 2 EVA OUT A 3 4 EVA OUT B 5 6 EVA OUT C 7 8 EVA OUT D 2E KUK neben OO Co e e fe Oe ai 121 2 UI R24 2 gt gt wii wry 2 SST 1 2 EVA IN A 1 7 MICOM DOWN 3 4 EVA IN B AS PRO USING 5 6 EVA INC 7 8 EVA IND 7 1 12V 1 7 Segment 1 7 2 GND 8 11 Key in 1 4 3 5V 12 15 Grid 1 4 4 COMI 5 COM
39. ADCH AJ024JNADCH Procedure Remark 1 PANEL FRONT 1 Stop the driving of air conditioner and shut off main power supply 2 Detach FILTER PRE from the PANEL FRONT 3 Cover Panel is assembled on bottom of indoor unit as shown in the figure Remove the Cap Screw as shown on the right side and then remove the screw and separate the Cover Panel 3 2 Samsung Electronics Procedure Remark 4 Cover Panel is fixed to body by Hook in center area and side area Ti Line Side area 9 12K 18 24 30K 5 Separate the hook after pushing both end of Cover Panel as shown in the figure Watch out for the damage of the hook 6 Raise front part upward obliquely as shown in the figure and then remove the hooks Samsung Electronics 3 3 Procedure Remark AN Caution Assembly of Cover Panel after service end Reassembly is in the reverse order of the removal Piping and drain hose must be careful not to damage and Progress must be done with both hands Hook Center Cap Screw Samsung Electronics Parts Procedure Remark Samsung Electronics 7 To detach the PANEL FRONT from the main frame unfasten 2 screws at the bottom use Screw Driver 8 To detach the COVER PANEL from the main frame loosen 4 HOOK Structures When separate the hook Use the screw Driver Screw Driver Insert the hook and then pu
40. AJO20JCJ2CH AJO24JCJ3CH K3 Reset button K4 View mode change button a NC 18 gt Sus dl Pipe Checking Operation Display F 3 Heat Mode Try run Display 00000000 Refrigerant Charging Display View mode change Cool Mode Try run Display 4 sees Ona 00000000 Pump down O n Display F4 Display of the external unit X During the initial 60 seconds K4View mode Display changes display 1 shows in sequence 00 5 01 02 15 00 Display Explanation Push Display Explanation Present Compressor Frequency 8 Discharge temperature 1 Target Compressor Frequency 9 OLP temperature Order Compressor Frequency 10 Condenser temperature EEVO current step 11 Outdoor temperature EEV1 current step 12 Running current EEV2 current step 13 Target Discharge temperature 1 EEV3 current step3 14 Total capacity of the indoor units Switch 7 Fan RPM H high L low Blank off 15 Safety Control just For Service Technician AJO36JCJ5CH m u n na 2 SS Im 10000000 X The EEV 2 and EEV 3 of AJ020JCJ2CH model is always displayed as blank X The EEV 3 of 024 model is always displayed as blank Samsung Electronics 4
41. CH AJO12JNLDCH AJ018JNLDCH en Wired remote controller DB97 15070D Owner s Manual DB68 04994A Installation Manual DB68 04995A Insulation cover DB62 04318S Insu drain hose DB62 11028A DB62 11028E Indoor Insu hose C D a DB62 11028D Ass y Holder Drain Pipe 7 The design and shape be changed according the model 2 8 Samsung Electronics Accessories cont AJO07JNADCH AJ009JNADCH AJO12JNADCH AJO18JNADCH AJO24JNADCH Descriptions DB90 07732A Istallation Plate 03 frame DB90 07731A Istallation Plate 05 frame Remote Control DB93 14643R Batteries for Remote 4301 000121 Control Indoor Unit Installation Manual DB68 04993A Case Sub PCB DB61 06101A CARD WARRANTY DB68 01675A GARANTIE CARD DB98 13261A The design and shape can be changed according to the model Samsung Electronics 2 9 Accessories cont AJOO9JNNDCH AJO12JNNDCH AJO18JNNDCH tem Besrpio eodene Remark Ass y drain hose DB94 03287A Cable tie DB65 10088C Seal drain ass y DB62 11028A DB62 11028H Seal drain ass y DB62 11028J USER MANUAL DB68 04990A GARANTIE CARD DB98 13261A Seal drain ass y Essential Offer Indoor Unit APPARELS ASSY INSTALLATION MA
42. Disassemble the refrigerant temperature sensor Inlet air temperature sensor 3 Disassemble the Support Evap LF that fixes the Evaporator Unscrew 2 screws 4 Disassemble the Support Evap RH Unscrew 2 screws 3 14 Remark Samsung Electronics Control In Samsung Electronics Procedure 5 Disassemble the Evaporator form the set The Control In should be disassembled after disassembling the Cover Control 1 3 1 Disassemble all Control Wires connected to the inside of PCB 2 In case of disassembling the PCB separately disassemble the PCB from the case with pushing the hook after unscrewing the screw Unscrew 1 screw 3 Disassemble the Case PCB from Case con trol in Unscrew 2 screws 4 In case of disassembling the Case Control disassemble the Case Control from the set after unscrewing the screw connected to cover bottom fan Unscrew 2 screws 3 15 B AJO18JNLDCH Procedure Remark Filter 1 Pull out the Filter as picture 1 or picture 2 3 16 Samsung Electronics Parts Procedure Blower 1 After disassembling 13 indicating screws amp detach Ass y Cabinet Top Motor Motor 2 After disassembling 3 indicating screws detach Ass y Case Blower Upper Press the pothook of the Case Blower and detach Ass y Case Blower Upper Samsung Electronics 3 17 No Parts Procedure Remark 3 18 3 After disassembl
43. Dz d t Oum E 5 munt Belle nf 5 zi R122 ONE i z H 00 O er I ges 1 00000 O C709 POTOS a 2 Zv 54 o 5704 C708 C708 en R129 285 270 70 Q602 410621 60281 07 19 ni 19nRA1 0112 001 860518897 mon 2 BLDC fan 3 Earth wire 4 Float switch 1 DC310V GND 1 Float SW 2 Not used 5 Eva in out sensor 6 Room temperature 7 S W download 8 Panel display 1 EVA IN temperture sensor 1 Room remperature sensor S W download 1 DC12V 2 4 6 GND 2 GND 1 25 80 control signal 1 Vec 12 Drain Pump Com4_TXD V1 V2 DC12V CHK OUT Ftf2Comi Human sensor reset L 2 GND 5 2 Samsung Electronics Panel PCB Samsung Electronics 6031 27 19 341583 19 KN N VOOOO0 1780 VIdSIOTAVMPIN cox 5 OA J CN01 DISPLAY 1 DC 12V 2 5 LED control signal 6 Remocon signal out 7 8 Not used 9 Remocon signal IN 10 GND 11 DC 5V 9 AJOO7JNADCH AJOOSJNADCH AJO12JNADCH AJO18JNADCH AJO24JNADCH 5 4 CN76 CN77 CN72 CN71 OR CN61 CN62 CN63 STEP MOTOR 1 DC 12V 2 5 STEP MOTOR SIGNAL CN71 POWER IN 1 3 AC220 240V 2 N C CN63 CN
44. NUAL DB68 04991A CARD WARRANTY DB68 01675A BOLT 6011 003975 The design and shape can be changed according to the model Essential Offer Panel 2 10 Samsung Electronics Accessories cont AJO20JCJ2CH AJO24JCJ3CH Code No Drain Plug Out DB67 00477A DB68 05062A AJ020JCJ2CH 9y DB68 05062B AJ024JCJ3CH Rubber Leg DB73 20134A Installation Manual DB68 04989A DB67 00788A Only for AJ024JCJ3CH Flare Nuts 9 52mm outer DB60 30010B Outdoor Unit pipe diameter Only for 2 The design and shape can be changed according to the model The design and shape can be changed according to the model Samsung Electronics 2 11 Accessories cont AJO36JCJ5CH Descriptions CodeNo Rmak Drain Plug Out DB67 00806A Energy Label DB68 05115A Rubber Leg DB73 20134A DB63 10355C Outdoor Unit Installation Manual DB68 05013A Flare Nuts 3 8 DB96 16155A Flare Nuts 5 8 DB96 16155B The design and shape can be changed according to the model 2 12 Samsung Electronics 3 Disassembly and Reassembly Necessary Tools Remark SCREW DRIVER MONKEY SPANNER Samsung Electronics 3 1 3 1 Indoor Unit Take care of the electrical shock by contact on the charging parts before the discharge after power of If takes approximately 2 minutes to discharge AJ007JNADCH AJ009JNADCH AJ012JNADCH AJ018JN
45. Replace the PCB if the restart fails 4 27 4 5 2 Outdoor unit is not powered on Initial diagnosis 1phase 1 Check items 1 Is the power supply voltage 220V 2 Is the AC power connected correctly 3 Are the LEDs in the main PCB and inverter PCB of the outdoor unit ON 4 Is the input power voltage of the indoor unit 220V 5 Is the wired remote controller connected correctly 2 Check procedure Turn off the main power switch circuit break of power outlet and turn on again after 30 seconds Is the outdoor unit power No supply L N 220V Check the input power Yes Is the outdoor unit power No voltage L N 220V Check the connection of the terminal block Yes Is the voltage between the terminal 2 and 4 of the bridge diode 220V Replace the inverter PBA Yes No Is the fuse connected Replace the fuse Yes No Is the resistance value of R001 2000 Replace the inverter PBA Yes Is the reactor connector No connected correctly Connect the reactor Yes Replace the PBA A280 Samsung Electronics 4 5 3 Outdoor unit fan error 1 Check items 1 Are the input voltage and power connection correct Is the motor connecting wire connected to the outdoor unit PCB correctly 2 3 4 5 Are the indoor outdoor fuses connected Is the motor driver out of order Are there any obstacles near the motor or propeller 6 AJO20
46. ace any obstacles in front of the air conditioner Do not spray any kind of liquid into the indoor unit If this happens turn off the air conditioner and contact a service center Make sure that the air conditioner is well ventilated at all times Do not place a cloth or other materials over it No children Nearby Q Remove the batteries if you don t use the remote control for a long time If appli cable Q Use the remote control within 7 meters from the indoor unit If applicable 1 4 Disposing of the unit Q Before throwing out the air conditioner remove the batteries from the remote control When you dispose of the air conditioner consult your dealer If pipes are removed incorrectly refrigerant may blow out and cause air pollution When it contacts with your skin it can cause skin injury Q The package of the air conditioner should be recycled or disposed of properly for environmental reasons 1 5 Others Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor Young children or infirm persons should be always supervised when they use the air conditioner Max current is measured according to IEC standard for safety Current is measured according to ISO standard for energy efficiency When installing make sure there is no leakage When recovering the refrigerant ground the compressor first before removingthe connection pipe If the refrigerant pipe is not p
47. ach the FAN Motor case 3 Unfasten the screw a little use Screw Driver 4 Pull the CROSS FAN to the left side Samsung Electronics AJOOIJNLDCH AJO12JNLDCH No Parts Procedure Remark 1 Motor 1 Disassemble the Cabinet Top Motor amp Unscrew 8 screws Blower Samsung Electronics 2 Disassemble 2 Cover Blower Uppers After unscrewing 2 screws Disassemble the Cover Blower Upper with pushing its hook 3 Disassemble the Cover Control Unscrew 2 screws Parts Procedure Remark 3 12 4 Disassemble Motor Wires connected to the inside of PCB and connected to the Capacitor 5 Disassemble the Motor earth wire connected to the Partition Unscrew a screw 6 Disassemble the band Motor for fixing the Motor Unscrew 2 screws 7 After disassembling the Motor and Blower for the set disassemble the Blower by use of 3mm wrench Samsung Electronics 2 Drain Pan 1 Disassemble the Cabinet Top Evap Unscrew 11 screws 2 Disassemble the Bracket Outlet Sub that fixes the Drain Pan equipped on the front of the set Unscrew 6 screws 3 Disassemble the Drain Cushion from the set Samsung Electronics No Parts Procedure 3 Evaporator The Evaporator should be disassembled after disassembling the Cover Control 1 3 and the Drain Pan 2 1 2 2 2 3 1 Disassemble the Cover Pipe that fixes the high low pressure Pipe Unscrew 3 screws 2
48. address SW setting correct but outdoor unit s PCB displayed E201 Error Code Check point Remarks Indoor unit s sub PCB address SW or sub PCB is Analysis connected by mistake Sieni Check to indoor unit s sub PCB wire connecting Indoor P condition misconnecting or Sub PCB is out of order Sub PCB Step 2 Address setting mode change to auto address setting Step 3 Following auto address setting steps Manual Address setting is Option in FIM PLUS A Guidance But we solved problem like this situation with auto address setting Auto address setting Contents When the pipe checking operation is finished outdoor sub PCB display E190 Error code Analysis Check point Outdoor unit fails to search indoor units or to check indoor address Remarks The pipe checking operation Step 1 Whether The gas and liquid pipes are crossed with each other check to connecting Pipe connecting Step 2 Check to outdoor unit s EEV coil being connected in proper location EEV Coil otep 3 Check to indoor unit s sensor being connected in proper location Indoor sensor Guidance During the pipe checking operation system check temperature change of indoor Heat exchanger In case indoor sensor defect EEV coil connector detach malfunction of EEV Leakage of Refrigerant and etc can make this case Address setting another case Contents When the system installation is finished outdoor
49. appear well connected to each other The solder used should be limited to a minimum If excessive solder is used it will cause inter pattern contact which may cause malfunction of the circuit Although some part of the PCB surface are coated with coating material for protection from dust and dirt soldering is also available to the coating part Because this coating is thin and is weak for solder ing heat But coating material remaining on the solder part should be cleaned up before soldering a new component to prevent the solder part from becoming bad conduction After replacing a faulty PCB by a new one the same address setting must be applied to the new PCB refer to the page 4 19 page 4 24 When connected to an outdoor unit manufactured after June 2011 a new option code is not needed Samsung Electronics 5 Diagram and Parts list 5 1 Indoor Unit AJOO9JNLDCH AJO12JNLDCH AJO18JNLDCH CNSI BLK cnet wu AWT HEATER 1 Data Floating S W SMW250 02 BLK Bw x301 xr stem mO a 3 1 BLY L AC wi je Wired Remote Controller Communication YW396 02 BLU Indoor Pipe In Temperature Sensor SMW250 04 WHT Option Load Connector SMW250 05 YEL Indoor Room Temperature Sensor SMW250 04 WHT Heater YW39607 AV WHT Indoor Pipe Out SMW250 02 WHT Indoor Address S W
50. bly cable from the indoor and outdoor units Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering Disconnect the pipe connected to the outdoor unit At this time cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering Make sure you do not bend the connection pipes in the middle and store together with the cables Move the indoor and outdoor units to a new location Remove the mounting plate for the indoor unit and move it to a new location Samsung Electronics 7 7 Index of Model Name Model Code INDOOR Capacity 3 DIGIT KW BTU Liter 2114114 Product Type Code Type AM DVM AJ PMA AC CAC USD ASD AE EHS AN VTL AK PAK Packaged System AG CHR Separator Type Normal Set NASA Indoor No NASA Outdoor NASA Set NASA Indoor NASA Outdoor No NASA Product Type Indoor Code Type 1 WAY CST 2 WAY CST MINI 4 WAY CST 4 WAY CST HSP DUCT MSP DUCT LSP DUCT FRESH AIR INTAKE DUCT RAC A3050 EEV RAC NEO FORTE EEV RAC NEO FORTE RAC Domestic RAC MALDIVE RAC A3050
51. changer s In Out Pipe Use Screw Driver Samsung Electronics Parts Procedure Remark 3 Remove the screw of the Cover Pipe that is used to fix the In Out Pipe Remove the In Out Pipe Use Screw Driver 4 Remove the Heat Exchanger from the indoor unit s cabinet Samsung Electronics 3 27 3 2 Outdoor Unit Take care of the electrical shock by contact on the charging parts before the discharge after power of If takes approximately 2 minutes to discharge AJ020JCJ2CH AJ024JCJ3CH No Parts Procedure 1 Common Work You must turn off the Power before amp disassembly Control Out Loosen 7 fixing screws and detach the Cabinet side RH Use Screw Driver 2 Detach the Cable Connector Wire from the Terminal Block 3 Loosen 2 fixing screws of the Ass y Control Out Use Screw Driver 4 Loosen 6 fixing screws and detach the Cabinet Upper Use Screw Driver 5 Loosen 2 fixing screws 7 bolts and detach the Cabinet Front Use Screw Driver 3 28 Remark Samsung Electronics Procedure Loosen 2 fixing screw and pull up the Control Box Use Screw Driver Pull the felt and detach it 8 Detach the Terminal Cover and detach the comp lead wire Samsung Electronics 3 29 No Parts Procedure Remark Fan Moter Loosen the fixing nut and detach the Fan Use Monkey Spanner Loosen 4 fixing bolt
52. ck point Remarks FJM PLUS is able to operate by 10 C Analysis But we admit that minimum Cooling temperature is by 5 C Please Remember cooling operation range Contents Q6 While using heating outdoor unit turn off and display E404 Error code Check point Remarks Heating overload safety mode make this situation Analysis After System restart automatically until 3 times System display this error code and stop System can operate by remote controller input signal or K3 reset key input Step 1 Check indoor units air flow Step 2 Check outdoor unit air flow and installation outdoor air flow blocking amp over charging Contents Q7 When system start in Heating mode System don t operate and display E440 Error code Check point Remarks FJM PLUS is able to operate up to 30 C Analysis But we admit that Maximum Heating temperature is up to 24 C Please Remember Heating operation range Try run Check Error Contents While the system is working try run mode system turn off and display E128 129 246 261 419 422 554 Error code Check point Remarks These Error codes only apply with Try run mode in case of system have some defect as result of try run operation Refer to self detection algorithm Check Error Code meaning and check it out Analysis Samsung Electronics 4 23 4 5 Fault Diagnosis by Symptom 4 5 1 Indoor 4 5 1 1 Indoor temperature sensor ope
53. d the position of the drain hose and when the pump is faulty contact the drain pump manufacturer Samsung Electronics do not manufacture drain pumps So we are not able to correct the drain pump problems a Whenever the air conditioner is turned on it irritates my eyes and gives me a headache A There are no components in the air conditioner irritating the eyes and sending out chemical smells But when the air conditioner is turned on other smell sources are sucked into the air conditioner and get out of it So find and root out the smell sources Generally it occurs at a interior renovated place a pharmacy a gasoline handling place a tire shop a second hand book shop or an electronic 7 12 Samsung Electronics Q amp A for Non trouble cont component handling place when its chemical or musty smells are sucked in and sent out it can be misled that the air conditioner generates them So find and root out the problem or refresh the room frequently Whenever the air conditioner is turned on it stinks There are no components in the air conditioner sending out chemical smells But when the air condi tioner is turned on other smell sources are sucked into the air conditioner and get out of it So find and root out the smell sources Generally when the drain hose is taken out to the washing room or there are sources of smells such as a diaper bin a shoe shelf or a socks bin bad smells generate Also it occu
54. e Low temperature under 10 C of outdoor as cooling mode Outdoor Fan Error Communication cable mismatched between indoor and outdoor unit Inverter compressor starting failure 5 times Compressor trip by input current control mode PFC over current Compressor trip by OLP temperature control mode Over current Compressor Vlimit Error DC link Voltage error under 150V over 410V Abnormal compressor running Compressor Rotation Error Current sensor error DC link Voltage sensor error Outdoor unit EEPROM Error Inverter micom zero crossing error Over voltage Error REMARK check pipe lenght indoor unit filter refrigerant leakage charge and service port check pipe lenght refrigerant leakage charge check pipe lenght refrigerant leakage charge Check electrical connection Samsung Electronics 4 2 Setting Option Setup Method 4 2 1 Setting an indoor unit address and installation option Setting Option AJ JNN JNA Entering mode for Option setting option setting mode Mode change High Temp Button High Fan Button Low Temp Button Low Fan Button Setting Option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing High Temp button and Low Temp button 3 Each time you press Low Fan button 7 seg on left side is increased by 1 and each time you press High Fan button 7 seg on right side is increased by 1
55. e in door unit connected to refrigerant pipe D At this point it is possible to start the internal units in the desired mode gt If 5 doesn t display the procedure has failed and it is therefore necessary to read ALL the operator s manual before repeating the operating described in steps 1 2 3 4 Samsung Electronics AJ020JCJ2CH AJO24JCJ3CH x peu 22 OALA D 77 T MN oc BC e 18 m O O 2222 Ou 00000000 Display of the external unit AJ036JCJ5CH Display 1 Display 2 DIP Sw K1 Rotary Switch During the initial 60 seconds display 1 shows in sequence 002 01 02 gt 15 gt 00 4 13 4 3 2 Without wiring checking function Step 1 Review all the following elements in the installation Installation site strength Piping connection tightness to detect any gas leakage Connection wiring Heat resistant insulation of the piping Drainage Earthing wire connection Step 2 IMPORTANT Before selecting switch turn off the system power supply Advise control we are going to proceeed with manual addressing as follow AJ020JCJ2CH AJ024JCJ3CH Switch Move dipswitch n 1 of SWO2 outdoor Indoor unit unit display PCB down address 00000000 L1 CTT
56. ection Refer to the installation manual for detail Space saving amp Environmental Friendly Compact amp light outdoor unit Slim and quiet indoor units Pipe size reduction Ozone friendly Refrigerant R410A Lead Free controller Reliability Installation possibilities Length Height Convenient installation 485 non polarity auto addressing Intelligent control network Easy checking system condition by 7 segment Smart amp Low Noise outdoor units in any condition TBR Sine Wave Controller Noise Reduction Control Dual Felt etc Felt Structure New felt has selected to reduce the noise coming out of the compressor Double layered felt structure absorbs noise by two times and felt is also covering top of the compressor to reduce the noise even more Samsung Electronics 2 1 2 2 Product Specifications ITEM AJ009JNNDCH AJ012JNNDCH AJ018JNNDCH INDOOR UNIT Type Mini 4 way cassette Cooling 11900 Heating 13000 Cooling 9 6 Performance Heating 113 Nore Cooling dB A 41 Heating 42 Powe 1 208 230 60 Power Cooling W 22 Consumption Heating 22 Operating Cooling A 0 52 Current Heating 0 52 Cooling Heating Btu Wh uda Outer Dimension WFH D mm 5 5 2
57. ectronics 4 1 2 Outdoor unit AJO20JCJ2CH AJO24JCJ3CH AJO36JCJ5CH The table below give indication about self diagnostic routine Some of error code requires activities exclusively for Authorise Service Center The error indicated on the PCB display of outdoor unit DISPLAY EXPLANATION The error indicated on the PCB display of outdoor unit REMARK Communiaction error indoor unable to receive data Check electrical connection and setting Outdoor unit communication error Abnormal data from indoor unit over 60 packet Check electrical connection and setting Indoor unit room temperature sensor error Open Short Indoor unit heat exchanger in temperature sensor error Open Short Indoor unit heat exchanger out temperature sensor error Open Short Indoor unit sensor error Evaporator pipe in sensor Self diagnosis Indoor unit sensor error Evaporator pipe out sensor Self diagnosis Indoor Unit FAN Error More than two indoor units cool and heat simultaneously Indoor Unit EEPROM Error Indoor Unit EEPROM Option Error EVA MID BREAK AWAY EVA IN BREAK AWAY EVA OUT BREAK AWAY Failure of pipe check operation Check piping connection and setting No pipe check operation check occasion try to operation after the installation through auto addressing mode without pipe check operation Check setting The number of Indoor unit mismatched Check electrical connection and setting Communication error between the outdoor and indoor unit Chec
58. edure Remark 2 Separate the Compressor Felt Sound 3 As shown in the picture unscrew and remove 3 mounting screws from the bottom Use Adjustable Wrench 15 Cond Out 1 Unscrew and remove 3 screws on each side of the Assy Cond Out Use Screw Driver Samsung Electronics 3 37 3 38 MEMO Samsung Electronics 4 Troubleshooting 4 1 Display Error and Check Method 4 1 1 Indoor unit AJ009 NNDCH AJO12JNNDCH AJO18 NNDCH LED lamp 2 8 Abnormal conditions Error of temperature sensor in the indoor unit X X X Open Short Error of heat exchanger sensor in the indoor unit X X Open Short Error of fan motor in the indoor unit x Io x Error of the outdoor temperature sensor Error of the condensor temperature sensor X X Error of the discharge temperature sensor No communication for 2 minutes between x lato x indoor and outdoor unit X X communication error for more than 2minutes Error of outdoor unit Detection of the float switch Px x oO O EEPROM option error Q 9 oo Motion detect sensor error Q x x O Mixed operation error X X X 9 On O Flickering X Off Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off Samsung Electronics Remarks AJO09JNLDCH AJO12JNLDCH AJO18 NLDCH l LED Display on the receiver amp display unit Concealed Type Abnormal conditions O
59. enthe valve of the low pressure side of manifold gauge counter clockwise Valve stem 4 Purge the air from the system using vacuum pump for about 30 minutes Stem cap Close the valve of the low pressure side of manifold gauge clockwise Make sure that pressure gauge show 0 1MPa 76cmHg after about30 minutes This procedure is very important in order to avoid gas leak Turn off the vacuum pump Remove the hose of the low pressure side of manifold gauge Service port 5 Set valve cork of both liquid side and gas side of packed to the open position 6 Mountthe valve stem nuts and the service port cap to the valve and tighten them at the torque of 183kgf cm with a torque wrench 7 Check for gas leakage At this time especially check for gas leakage from the 3 way valve hs stem nuts and from the service port cap Samsung Electronics 7 3 7 3 Refrigerant Refill Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using 1 Purge air for new installation only 2 Turn the 3 way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 way valve again 4 Set the unit to cool operation mode 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure should be 8 0 9 0kg cm in a regular and high operation mode 6 Open the refrigerant tank and fill with ref
60. ield piping liquid SS Capi 2 0 x 300 x ZEA Gas line stop valve 1 1 1 i X Field piping gas G 00 00 08 97070 0479 Hr UG8T300FUBJU 7 10 Samsung Electronics 7 9 Pressure amp Capacity mark B Power Heat cal s kcal h HP kg m s Ib m s 4 1868 0 23885 1 0 85985 0 001341 0 0056146 0 10197 0 42693 0 73756 3 088 1 163 0 27778 0 0015596 0 11859 0 85778 0 29307 0 06999 3 9302x10 0 029885 0 21616 745 7 178 11 2 3423 1 0 013151 76 04 1 550 0 32383 0 0018182 0 13826 7 10 The abbreviated technology words amp the definition of technology terms Abbreviated technology words COMP Full name compressor BLOWER Definition of technology terms One that compresses especially a machine used to compress gases One that blows especially a mechanical device such as f fan that produces a current of air FAN A device for reeating a current of air or a breeze ASS Y CONTROL BOX Full name Assemble control box A restraining device of air condition measure or limit MOTOR Something such as a machine or an engine that produces or imparts motion ASS Y EVAP ASS Y COND Full name assemble evaporator assemble condenser Samsung Electronics Heat exchanger A device used to transfer heat from a fluid on one side of a barrier to a fluid on the other side with
61. in hose it indicates the normal operation of the product and it does not need refrigerant charging EN It fails to do cooling When the air conditioner is set to Ventilation or the desired temperature is set higher than the current temperature it fails to do cooling In this case select Cooling or set the desired temperature lower ZEN It floods the floor A Place the drain hose properly When it is not placed properly the drain water would flow back flooding the floor So straighten out the drain hose for the water to be drained well Q Water drips at the drain connection service valve of the outdoor unit A When a glass bottle is taken out of the refrigerator moisture gets condensed on its surface due to the temperature differences The same principle applies to the air conditioner When cold refrigerant goes through the copper tube moisture gets condensed on the surface of the tube and the connection Leakage areas To prevent the water condensation the pipes are insulated But the connection areas of the outdoor unit are not insulated for the purpose of maintenance or repair and water gets condensed due to the temperature differences and drips down Generally it evaporates right away But when it drips much during muggy days put a water pan on the floor IE a It leaks even though a drain pump is used It occurs when the drain pump is plugged out or it is out of order Check the power of the drain pump an
62. in pipes ducts or cable channels to Avoid Dangerous Contact protect them from the danger of impact or any other incidents More than 2 indoor units should be installed when you use Free Joint Multi air conditioner AJ020JCJ2CH 018 024 indoor unites cannot be connected AJ024JCJ3CH 2 indoor units cannot be connected 1 2 Power supply and circuit breaker ifthe power cord of the air conditioner is damaged it must be replaced by the manufacturer or a qualified person in order to avoid a hazard Q Theair conditioner must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit breaker An all pole disconnection from the power supply must be incorporated in the fixed wiring with a contact opening of gt 3mm Do not extend an electric cord to the air conditioner The air conditioner must be plugged in after you complete the installation No Tapping and No Extension Cords Samsung Electronics 1 1 1 3 During operation Do not repair the air conditioner at your discretion It is recommended to contact a service center directly Never spill any kind of liquid on the air conditioner If this happens turn off the air conditioner and contact an authorized service cen ter Q Do not insert anything between the airflow blades to prevent damage of the inner fan and consequent injury Keep children away from the air conditioner Do not pl
63. ing 2 indicating screws detach the Cover Control 4 Detach the Motor Wire Connected to PCB and Capacitor 5 After disassembling the indicating screws detach the wire connected to the Partition 6 After disassembling 2 indicating screws detach the Ass y Band Motor Samsung Electronics Procedure Remark 7 After disassembling the Motor and Blowers detach the Blowers from the axis of the Motor by 3mm inner hexagon spanner 3 Drain Pan 1 After disassembling 12 indicating screws detach Ass y Cabinet Top Evap 2 After disassembling 6 indicating screws detach the Bracket Outlet 3 Detach the Drain Pan Samsung Electronics 3 19 No Parts Procedure Remark 4 Evaporator The Evaporator should be disassembled after disassembling the Cover Control 1 3 and the Drain Pan 2 1 2 2 2 3 1 Disassemble the Cover Pipe that fixes the high low pressure Pipe Unscrew 3 screws 2 Disassemble the refrigerant temperature sen sor Inlet air temperature sensor 3 After disassembling 2 indicating screws detach Ass y Support Evap LF 4 After disassembling 2 indicating screws detach Ass y Support Evap RH 3 20 Samsung Electronics Procedure Remark 5 Control In Samsung Electronics 5 Disassemble the Evaporator form the set The Control In should be disassembled after disassembling the Cover Control 1 3 1 Disassemble all Control Wires connected to
64. ing is an excerpt from Building Code going into effect from JUNE 1st 2005 The exhaust pipe of a cooling or ventilation facility installed in a building adjacent to the streets of commercial or residential areas shall be installed higher than 2m to prevent the exhaust air from blowing directly to passers by and the current facilities shall be corrected by MAY 31st 2005 So please install it higher than 2m or not to blow the hot exhausting air directly to passers by What about installing a windscreen during installation not to blow hot air directly to passers by When the hot air from the front of the outdoor unit is blocked the product s performance will be affected and it will fail to operate properly So keep it at least 300mm away from its surrounding walls and give it good ventilation 7 14 Samsung Electronics 7 12 Common sense of refrigeration Air supplier It supplies fresh air to the building or room through procedure of air circulation for fresh environment Effectiveness of air supplier It diminishes the stress or fatigue and enhances vivid desire through fresh air circulation Also filthy air indoor is being cleaned by Air Filter and it keeps clean and fresh environment and dehumidification Temperature humidity air stream cleanness are called for factors of air supplier and they are kept in proper condition for usage purpose Humidity Control the indoor air into cool or warm Remove humidity in air or hu
65. it display X Operation X Defrost Timer X Filter Symptom Communication error between the indoor and outdoor unit for two minutes Failure Communication error between the indoor unit and outdoor unit Is there a response from the indoor PCB Check the communication cable and LEDO1 RED is not ON replace the indoor unit PCB Remove the communication cable connecting the outdoor unit to indoor unit and measure the signal on LINE 2 of the outdoor unit with a scope In this case is the voltage waveform between the lines square wave with amplitude over 0 7V as shown in the following picture Check the communication cable in the outdoor unit PCB and replace the PCB Reconnect the cable connecting the outdoor unit to the indoor unit and restart the unit If the communication still doesn t work replace the indoor unit PCB CASE 1 Noemal condition y a nee OUTDOOR TX SIGNAL 23V INDOOR TX SIGNAL OV 00 OUTDOOR TX SIGNAL ONLY 23V Samsung Electronics 4 5 1 4 EEPROM circuit failure Indoor unit display Operation Defrost y Timer X Filter Symptom EEPROM circuit failure Failure EEPROM component failure EEPROM circuit parts missing damaged soldering failure Are the EEPROM circuit components in good conditions missing components damage soldering failure Restart the unit after replacing the PCB Samsung Electronics
66. k electrical connection and setting Outdoor communication error between main micom and inverter micom Outdoor communication error beween main micom and hub micom Outside temperature sensor error Short Open Error level over 4 9V 50 C under 0 4V 93 C Condenser temperature sensor error Short Open Error level over 4 9V 50 C under 0 4V 93 C Outdoor unit sensor error Condenser out sensor Short Open Self diagnosis Compressor Discharge temperature sensor error Compressor discharge sensor detached Self diagnosis Compressor OLP sensor error Short Open Error condition outdoor temperature under 20 C Error level over 4 95V 30 C under 0 5V 151 C Evaln1 Sensor Short Open Evaln2 Sensor Short Open Evaln3 Sensor Short Open Evaln4 Sensor Short Open Evaln5 Sensor Short Open EvaOut1 Sensor Short Open Samsung Electronics 4 5 4 6 AJO20JCJ2CH AJO24JCJ3CH AJ0O36JCJ5CH DISPLAY EXPLANATION The error indicated on the PCB display of outdoor unit EvaOut2 Sensor Short Open EvaOut3 Sensor Short Open EvaOut4 Sensor Short Open EvaOut5 Sensor Short Open Outdoor unit freezing Compressor stop Outdoor unit overload Safety control Compressor stop Outdoor unit high discharge temperature Safety control Compressor stop Outdoor unit EEV open Stopped indoor unit s Self diagnosis Outdoor unit EEV open operating indoor 5 Self diagnosis High temperature over 30 C of outdoor as heating mod
67. ll the hook as shown on the right side Watch out for the damage of the hook Procedure 9 Remove the Panel Frame from the Main Frame as shown on the right side Samsung Electronics Parts Procedure CONTROL IN Samsung Electronics 1 Loosen Stepping MOTOR Wire BLADE Wire 2 Loosen MOTOR Wire N Caution When you separate the connector pull pressing the locking button 3 Loosen the terminal block wires A Caution When you separate the connector pull pressing the locking button 4 Loosen the Thermistor wire connector Display wire connector A Caution When you separate the connector pull pressing the locking button 37 Parts Procedure CONTROL IN TRAY DRAIN 5 Take off the CASE CONTROL from the main frame after loosen the remaining con nector A Caution When you separate the connector pull pressing the locking button 1 To detach TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN towards you Samsung Electronics Parts Procedure Evaporator Samsung Electronics 1 Detach the HOLDER PIPE 2 Unfasten the screw at the left side use Screw Driver 3 Unfasten the screw at the right side use Screw Driver 4 To detach Evaporator from the main frame pull the bottom of the Evaporator towards you FAN MOTOR amp CROSS FAN 1 Unfasten the screw use Screw Driver 2 Det
68. ller signal and K3 reset key input Check outdoor units installation environment air flow blocking the halation of another outdoor air flow Check refrigerant leakage Check outdoor EEV operation Contents While using cooling or heating System Turn off and display E458 Error code kaw m Check point Remarks E458 Error is related with outdoor unit fan Error Analysis Especially If system have a some problem in fan in heating mode it will be happened And In auto address setting without pipe checking operation must be happened it Step 1 Check to outdoor fan operation Step 2 If outdoor fan operation is clear start to pipe checking operation When Auto address setting is finished without pipe checking operation in heating mode outdoor unit refrigerant distribution control is malfunction It make our system to confuse it s condition But basically this error code is concerned about fan error Guidance Contents While using cooling mode outdoor unit turn off and display E401 Error code Check point This is caused by protection mode behavior This is indoor Evaporator Freezing protection mode Step 1 Please check indoor unit whether inlet or outlet grill is closed Step 2 Please check indoor unit whether indoor fan is working Analysis A220 Samsung Electronics Contents Q5 When system start in cooling mode System don t operate and display E441 Error code Che
69. lt During replacement or repair of a part carefully han dle it The printed circuit board has fine lead wires jumper wires and glass made parts diode on its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock When soldering the lead wires of any new part be sure to polish them using an emery paper or the like before soldering them Since the lead wires of any new part are covered with an oxide film solder cannot adhere to the lead wires if not polished 4 6 2 Procedure 4 34 The parts should be replaced in the following procedure Check for any faulty part Y Detach the faulty part Y Replace it with a new part Check the operation of the new part The repair is completed 1 When soldering any part care should be exercised not to apply any high wattage soldering iron to the part for a long time Some parts are of so low a heat resistance that they may be broken or have the properties changed if a soldering iron is so applied Otherwise the pattern may possibly be separated and raised The heat of the soldering iron should be transferred to the entire object to be soldered If the solder pieces are not well fused due to insufficient transfer of the heat from the soldering iron no satisfactory electrical continuity can be assured even if the sol dered objects
70. lt gt U Replace the compressor below normal valve Checking Comp Resistance Normal value TOU T ww w AJ020JCJ2CH 0 5 1 1Q 0 5 1 1Q 0 5 1 10 AJ024JCJ3CH 0 2 0 60 0 2 0 60 0 2 0 60 AJ036JCJ5CH 0 1 0 50 0 1 0 50 0 1 0 50 Is the resistance value between the compressor body and the chassis Replace the compressor in the range of MegaQ Is the compressor connection wire connected to the compressor Check the connection wire correctly Replace the ourdoor unit main PCB 43 Samsung Electronics 4 5 5 IPM Over Current error 1 Check items 1 Is the coolant changed 2 Is the compressor running normally 3 Is the compressor connected correctly 4 Are there any obstacles near the indoor and outdoor units 2 Check procedure No Remove the obstacles and install the unit again No Remove the obstacles and install the unit again Is the ourdoor unit installed correctly Yes Is the indoor unit installed correctly Yes Is the service valve completely open No Open the valve Yes Is the compressor connection wire connected to the compressor correctly No Check the compressor connection status No Replace the compressor Yes Checking Comp Resistance Normal value Is the resistance valve betewwn the phases U lt gt V V lt gt W W lt gt U below normal valve 7020 2 0 5 1 10 0 5 1 1O 2 0 2 0 60 0 2 0
71. midify Moisture Temperature Air stream Heat Aircirculation Cleanness Remove filthy dirt in air Air Circulate air every corner of indoor Four factors of air suppliers The human body keeps regular temperature regarding the human body s freshness For keeping freshness heat generated from human body should emit outside of the body by air circulation conduction emission and evaporation The human body feels freshness when the emission rate is 40 45 which was emitted by a radiation when it is comfortable and warm and air circulation and conduction is 20 30 and evaporation is 20 24 It sometimes may depends on seasonal factor wearing condition age sex and mental state other than indoor environment But generally the value of fresh indoor temperature is that below 0 2 m s of indoor air circulation the temperature is 21 28 C when the wall temperature is the same as the indoor s and relative humidity is 30 31 in summer the winter temperature is 20 24 C and relative humidity is 30 60 in winter Samsung Electronics 7 15 ELECTRONICS This Service Manual is a property of Samsung Electronics Co Ltd Samsung Electronics Co Ltd 2014 Any unauthorized use of Manual can be punished under applicable Printed in China International and or domestic law Code No DB68 14112A 1
72. min 448 Samsung Electronics Expected time of 4 indoor units installation 01502 shows the indoor unit under searching It could take more time depending on the indoor and outdoor temperature After completeing pipe check operation it shows the display The left display DISO1 will show sequentially the following message 00 Estabilished communication with indoor unit A 01 Estabilished communication with indoor unit B 02 Estabilished communication with indoor unit C 03 Estabilished communication with indoor unit D 00 Estabilished communication with indoor unit Function of Step Auto Addressing Checking the connection amp addressing Manual Addressing Checking the connection only If the auto addressing does not work according to the indoor unit capacity model or installation condition apply the manual addressing When 5 01 set O on Auto address mode it means you install the maximum number of indoor unit 1 Installation ID Unit Number MAX Installation ID Unit Number of OD Unit Don t need set SWO1 2 Installation ID Unit Number MAX Installation ID Unit Number of OD Unit Pls set SW01 as the number of which you install the indoor unit On Manual address mode you must set SW01 as the number of which you install the indoor unit This mode is for finding the combination between indoor unit and each valve on the outdoor unit Because refrigerant flo
73. n short Indoor unit display X Operation X Defrost Time X Fan X Filter Wire remote controller display E121 Symptom Error of Room sensor in the indoor unit Open Short Failure Short or leakage of the Room sensor Is indoor temperature sensor disconnected from the connector in PCB Yes Restart the system after connecting to the PCB connector Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals Temperature sensor resistance value Current temperature 40 5 800 35 6 900 Resistance kO n this case is the resistance value out of range in the temperature table on the right Yes Indoor temperature sensor failure replace Restart the system after replacing the PCB Samsung Electronics 4 5 1 2 Indoor FAN Error BLDC MOTOR MODEL Indoor unit display X Operation X Defrost X Timer Fan X Filter Wire remote controller display E154 Symptom Error of Fan motor in the indoor unit Failure Fan sensor Is the motor connector Yes disconnected from the PCB Connect the connector to PCB and restart the unit Is there foreign substance stuck in the motor fan Remove the foreign substance and restart the unit Replace the PCB and restart the unit Samsung Electronics 4 25 4 5 1 3 Communication error after finishing Tracking Indoor un
74. n using the centralized Control Samsung Electronics 4 9 When A F is to SEGA 6 ADDRESS is not changed caution you set the SEG 3 as 0 the indoor unit will maintain the previous MAIN ADDRESS even if you input the option value of SEG4 6 IF you set the SEG 9 as 0 the indoor unit will maintain previous ADDRESS even if you input the option value of SEG11 12 5 TheMAIN address is for commnication between the indoor unit and the outdoor unit Therefore you must set it to operate the air conditioner properly Setting an indoor unit installation option suitable for the condition of each installation location 1 Checkwhether power is supplied or not When the indoor unit is not plugged in there should be additional power supply inthe indoor unit The panel display should be connected to an indoor unit to receive option Before installing the indoor unit assign an option to the indoor unit according to the air conditioning system plan The default setting of an indoor unit installation option is 02000 100000 200000 300000 Individual control of a remote controller SEG20 is The function that controls an indoor unit individually when there is more than one indoor unit 4 Settheindoorunit option by wireless remote controller When entering Address option connect remote controller receiver Option SEGI SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE 3 qo
75. nd root out the problem or refresh the room frequently It sends out bad smells When the air filter is filthy it could send out bad smells So clean the filter and ventilate the room with the windows open while operating the Ventilation function It won t start There is a power failure or it is plugged out Also check if the power distribution panel is switched off Q It goes off during operation A When the hot air does not escape properly it goes off during operation It occurs when it does not ventilate properly because the outdoor unit is covered the back of the outdoor unit is blocked by a cardboard or a plywood panel and the front of the outdoor unit is blocked by the closed window or other obstacles Clear the above obstacles from the outdoor unit Operation Q It generally works properly But when it s considerably hot it goes off during operation A It occurs when the outdoor unit is exposed to direct sunlight and the hot air does not escape properly Set up a sun blind over the outdoor unit and clear the neighboring obstacles from the outdoor unit to provide good ventilation When it goes off frequently during a heat wave it would prevent the turn off and increase the cooling capacity cleaning the outdoor unit or spraying some water to the heat exchanger Samsung Electronics 7 13 Q amp A for Non trouble cont Classification Description The remote controller won t operate When the
76. ndoor units But indoor unit displayed E121 122 123 154 Error code Error code Explanation E121 Indoor unit room temperature sensor error open short Indoor unit heat exchanger in temperature sensor error open short E123 Indoor unit heat exchanger out temperature sensor error open short E154 Indoor unite fan error Please all units turn off and check to indoor units PCB wire connection E121 122 123 error detected replace uidance related sensor Contents Turn on the system But indoor unit displayed E162 163 Error code Error code Explanation E162 Indoor unit EEPROM Error E163 Indoor unit EEPROM Option Error Please all units turn off and follow guidance E163 Please reset indoor Option code Guidance If you don t know about that replace indoor unit PCB which is related E162 Please replace indoor unit PCB which is related Contents Q5 Turn on the system But outdoor unit displayed E221 237 251 320 Error code Error code Explanation E221 Outside temperature sensor error open short E237 Indoor unit heat exchanger in temperature sensor error open short E25 Condenser temperature sensor error open short E251 Compressor Discharge temperature sensor error open short E320 Compressor OLP sensor error open short Guidance Please The System turn off and replace sensor which is related Samsung Electronics Contents Q6 Indoor units
77. ng room air conditioner is not less than 8596 of the rated voltage And then a voltage meter will be useful to check the rate of the voltage drop 7 5 Flare Nut Fixing Torque Outer Diameter D Thickness 06 35 mm 1 4 0 8 mm 0 03 14 18 10 1 13 0 140 180 09 52 mm 3 8 0 8 mm 0 03 34 42 25 3 31 1 350 430 012 70 mm 1 2 0 8 mm 0 03 49 61 36 2 44 8 500 620 615 88 mm 5 8 0 8 mm 0 03 68 82 49 9 60 0 690 830 Samsung Electronics 7 5 7 6 Pump down Procedure Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area 7 6 Remarks AJ020JCJ2CH AJ024JCJ3CH AJ036JCJ5CH 1 Remove the caps from the 3 8 service valve and the 5 8 service valve 2 Turn the 5 8 service valve clockwise to close and connect a pressure gauge low pressure side to the service valve and open the 5 8 service valve again 3 Set the unit to cool operation mode Check if the compressor is operating 4 Turn the 3 8 service valve clockwise to close 5 When the pressure gauge indicates 0 turn the 5 8 service valve clockwise to close 6 Stop operation of the air conditioner 7 Close the cap of each valve Relocation of the air conditioner e Refer to this procedure when the unit is relocated 2 3 4 5 Carry out the pump down procedure refer to the details of oump down Remove the power cord Disconnect the assem
78. nit is installed Switch the system on and wait for code 44 to appear on the display of the external unit this requires approximately 60 seconds nj As soon as code 44 displays press once the red button K1 shown on the figure on the side of the page If the quantity of indoor units connected is lower than maximum con nectable to outdoor unit the rotary switch SWO1 has to be positioned in order to select a number equal to indoor units quantity you connected After the operations described above have been performed the system starts in Cooling or Heating mode depending on the external ambient temperature After a few minutes from a minimum of 3 to 5 minutes for the internal unit the system stops automatically completing the self test and addressing procedure LE gl appears on the display of the external unit 20 seconds after the display of LE _ that confirms the correct execution of the procedure the following codes if four internal units are connected display in sequence on the display of the external unit The outdoor unit is communication correctly together the in door unit connected to refrigerant pipe A The outdoor unit is communication correctly together the in door unit connected to refrigerant pipe B The outdoor unit is communication correctly together the in door unit connected to refrigerant pipe C The outdoor unit is communication correctly together th
79. nsssesssssccessssssscesssssceesssees 4 32 4 5 6 1 Outdoor Discharge OLP temperature sensor error 4 32 4 5 6 2 Outdoor out cond temperature sensor 4 33 CSCI EEV 4 33 4 6 PCB Inspection Method nennen 4 34 5 PCB Diagram and Parts list 5 1 ee a 5 1 NIE antenne 5 5 6 Wiring Diagram 6 1 n 6 1 6 2 Outdoor UNIE 6 4 7 Reference Sheet 7 1 1 Precautions 1 1 Installing the air conditioner Users should not install the air conditioner by themselves Ask the dealer or authorized company to install the air conditioner except the window type air conditioner in U S A and Canada if you don t install the air conditioner properly it may cause a fire a water leak age or an electric shock You must install the air conditioner according to the national wiring regulations and safety regulations Install the indoor unit higher than 2 5m from the floor to avoid the injury caused by the operation of the fan except the window type air conditioner The manufacturer is not responsible for any accidents or injury caused by an incorrect installation When installing the built in type air conditioner keep all electric cables such as the power cable and the connection cord
80. out bringing the fluids into direct contact 7 11 amp A for Non trouble Q The cooling is weak A When it is hot outside its cooling capacity decreases due to the increase of the ambient temperature When the dust filter gets blocked or warm outside air gets in the cooling capacity will decrease So make sure to clean the dust filter frequently prevent heat loss by closing the doors and insulate the cooling area by using curtains blinds shades or window tinting The cooling is good generally But it gets weak when it is considerably hot It occurs when the outdoor unit is exposed to direct sun light and heat up air is not ventilated well So set up a sunblind over the outdoor unit and keep stuff away from the unit to increase the ventila tion When the cooling capacity decreases during a heat wave clean the heat exchanger of the out door unit or spray some cold water to the heat exchanger to increase the cooling capability Cooling The cooling is weak Does it need refrigerant charging A It is not correct charging refrigerant regularly Except that you have moved in several times or the connection pipes are broken the refrigerant does not run low So when refrigerant is additionally charged it could be costly and cause a product s failure When the refrigerant leaks all of it will escape in a short time resulting in cooling failure and no water coming out of the drain hose So if water comes out from the dra
81. rigerant until the rated pressure is reached It is recommended not to pour the refrigerant in too quickly but gradually while operating a pressure valve o 7 Stop operation of the air conditioner o 8 Close the 3 way valve disconnect the pressure gauge and open the 3 way valve again o 9 Close the cap of each valve 7 4 Suspension hook Compound f High gauge pressure NC gauge am rar ed Hand W T m wheel IA IL ih L3 EI Li Finger tight 22 ro n fittings For mounting Connected to other and of high pressure hose when side Charging line AJ020JCJ2CH AJ024JCJ3CH AJ036JCJ5CH R410A Samsung Electronics 7 4 Refrigerant Adjustment Class At installation At service Refrigerant Connection Pipe Length Air Purge Method N ei Air Purge Method Refrigerant Quantity Standard 30m AJ020JCJ2CH Standard 40m 2 nnecessary refer to specification sheet Standard 40m 6 5 In case of exeeding total mE In case of exeeding total Standard lt Total lt 50m Refer to the detailed pipe lengh 30m Purge air using a pipe lengh 30m AJO20JCJ2CH conneting up and Add 1 09 of refrigerant Vaccume pump Add 10g of refrigerant purging the circuit R410A for every 1m or an additional R410A for every 1m 7 2 page refrigerant cylinder In case
82. roperly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the refrigerant cycle abnormally high It may cause explosion and injury Pump Down Procedure When removing the product Turn on the air conditioner and select Cool mode to run the compressor for 3 minutes Release the valve caps on High and Low pressure side Use L wrench to close the valve on the high pressure side Approximately 2 minutes after close the valve on the low pressure side Stop operation of the air conditioner Disconnect the pipes 1 2 Samsung Electronics 2 Product Specifications 2 1 The Feature of Product Multi Inverter Free Joint Multi Series delivers comfort to 2 5 rooms with a Single Outdoor Unit Inverter for High Efficiency Operation Thanks to inverter control efficiency of operation of the outdoor unit is enhanced depending on the number of indoor units operated and the temperature setting When only one indoor unit is used power is saved resulting in a smaller electricity bill When all indoor units are used high power operation achieves comfort quickly in all rooms Installation of indoor units on different floors is possible Characteristics Using electronic expansion valve control Various Indoor units amp combinations Mini 4 way cassette Slim duct A3050 Convenient Installation Auto addressing option Automated checking of pipe conn
83. rs where glass cleaners or air fresheners are used when they are sucked in interacting with dusts and moistures inside bad smells generate These kinds of organic materials noxious to human bodies So we recommend against the use of them Whenever the air conditioner is turned on it smells sour Q A A When the room is papered recently its paste smells would be sucked inside Also when the air condi tioner is installed in the study room of young boys loving sweat generating activities such as the bas Smells ketball excessive sweats evaporate and get sucked into the air conditioner resulting in bad smells So Q A Q A Q A find and root out the problem or refresh the room frequently Whenever the air conditioner is turned on it smells musty It is due to the improper keeping of the product after its use When keeping the product dry up the inside with the operation of Ventilation to prevent must When the product is kept without drying up the inside with Ventilation mold would grow inside resulting in must So open the windows and switch on the Ventilation function to get rid of the saturated smell inside Whenever the air conditioner is turned on it sends out bad smells such as stale smells It occurs generally when there are pet animals in the house Their smells stay at the same place But when the air conditioner is turned on the air gets circulated resulting in the circulation of the smells So find a
84. s AJ036JCJ5CH LT gt 40m LT 40m x20g 7 1 3 Remote Control Unit Make sure that you use the remote control unit in an area free from obstacles such as curtains etc which may block signals from the remote control unit Make sure that you put the remote control unit in an area not exposed to direct sunlight and where there is no source of heat Make sure that you use the remote control unit in an area away from TVs audio units cordless phones fluorescent lighting fixtures and other electrical appliances at least 1 meter Samsung Electronics 7 2 Connecting Up and Purging the Circuit The air in the indoor unit and in the pipe must be purged If air remains in the refrigeration pipes it will affect A the compressor reduce to cooling capacity and could lead to a malfunction Refrigerant for air purging is not charged in the outdoor unit Use Vacuum Pump as shown at the right figure Each unit must be purged in turn AJO20JCJ2CH AJO24JCJ3CH AJ036JCJ5 CH 1 Checkthe piping connections 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port 5 8 Packed valve as shown at the figure Value stem 1 2 20UNF Make the electrical connection and leave the system WARNING into stand by mode Do not turn on the system This is necessary for better vacuum operation full OPEN position of Electronic Expansion Valve EEV Vacuum Pump 3 Op
85. s and detach the Motor Use Screw Driver Loosen 4 fixing bolts and detach the Bracket Motor Use Screw Driver 3 30 Heat Exchanger amp Compressor Release the refrigerant at first Disassemble the Inlet and Outlet Pipe by welding Loosen the fixing screw of the Heat Exchanger Use Screw Driver Detach the Heat Exchanger Loosen 3 nuts of the Compressor Use Monkey Spanner Detach the Compressor Samsung Electronics AJO36JCJSCH Parts Procedure Cabi Side RH You must turn off the Power before disassembly 1 Unscrew and remove 6 mounting screw in the Cabinet Side RH Use Screw Driver Front 1 Unscrew and remove 6 mounting screw in the Cabinet Side RH Use Screw Driver Cabi Top 1 Unscrew and remove 9 screws on each side of the Cabinet Top Use Screw Driver Samsung Electronics 3 31 Parts Procedure Remark 3 32 Guard Cond Cabi Back RH 1 Pull the sensor from Guard Cond 2 Unscrew and remove 4 screws in the Guard Cond Use Screw Driver 1 Pull the sensor from Cabi Back RH 2 Unscrew and remove 5 screws on each side of the Cabinet Back RH Use Screw Driver 3 Pull the hook of Cabi Back RH from the Bracket Valve Samsung Electronics Parts Procedure Remark Plate Case Control 1 Unscrew and remove 2 screws Support in the plate Case control Support
86. setting and changing change according to the model the Ampere Limit Switch AJO20JCJ2CH AJO24JCJ3CH Before changing the Ampere Limit Switch turn off the main power of the system Switch Selection AJO20JCJ2CH AJ024JCJ3CH AJ036JCJ5CH 14 0A 16 6A Default Default Default Display of the external unit AJO36JCJSCH IZ Q THE E E a lt 10 0A 11 0A 18 0A 10 0A 16 0A 13 0 14 0 20 0 K1 Rotary Switch Samsung Electronics To complete the installation perform the following checks and tests to ensure that the air conditioner is operating correctly 1 Review all the following elements in the installation Installation site strength Piping connection tightness not to leak any gas Connection wiring Heat resistant insulation of the piping Drainage Earthing wire connection Setting number of the indoor unit installed Outdoor unit SW Setting SWO2 for addressing mode AUTO or MANUAL Address number on each indoor unit Manual addressing mode Correct operation for pipe checking connection follow the step below If the auto addressing refer to next page If the manual addressing please do cool mode try run or heat mode try run refer to below Settings of PCB Display of the Outdoor unit Key Options of PCB Display K1 pipe checking operation button K2 Function button
87. splay LED 1 LED 2 LED 3 2 Q IF 1 Checkthe connection wire between moa O O 12 indoor and outdoor unit whether the un rar power cable and commnunication cable is crossed or not O Error on indoor 1 Check the connection of the connector temperature sensor 55 35 Error on indoor heat 1 Check the connection of the connector Se exchanger nS 1 Checkthe connection of the connector Error indoor fan motor 2 Remove foreign substance Check for the cause that restrains motor 88 display and all 1 Re set options LED blinks EEPROM Option error LI CE 022 1 Check if the service valve is completely open e O Refrigerant flow blocking 2 Check if there s any blockage in the Error refrigerant pipe which connects indoor and outdoor unit 3 Check for refrigerant leak 1 Check if sufficient amount of additional en refrigerant was charged for the pipe T Above LED pattern is displayed when Lack of Refrigerant length that exceeds 7 5m raat there s error is occurred on outdoor unit For Inverter model only 2 Check for refrigerant leak between valve Check the LED display on outdoor unit for and pipe connection the details Q Flickering X Off Ifyou turn off the air conditioner when the LED is flickering the LED is also turned off Ifyoure operate the air conditioner it operates normally at first then detect an error again Samsung El
88. stomer s needs 7 1 1 Indoor Unit 1 Make sure that you install the indoor unit in an area providing good ventilation It must not be blocked by an obstacle affecting the airflow near the air inlet and the air outlet 2 sure that you install the indoor unit in an area allowing good air handling and endurance of vibration of the indoor unit 3 Make sure that you install the indoor unit in an area where there is no source of heat or vapor nearby 4 Make sure that you install the indoor unit in an area from which hot or cool air is spread evenly in a room 5 sure that you install the indoor unit in an area away from TVs audio units cordless phones fluorescent lighting fixtures and other electrical appliances at least 1 meter 6 Make sure that you install the indoor unit in an area which provides easy pipe connection with the outdoor unit and easy drainage for condensed water 7 Make sure that you install the indoor unit an area which is large enough to accommodate the measurements shown in figure on the next page It is harmful to the air conditioner if it is used in the following environments greasy areas including areas near machines salty areas such as coast areas areas where sulfuric gas is present such as hot spring areas Contact your dealer for advice Samsung Electronics 7 1 7 1 2 Outoor Unit Make sure that you install the outdoor unit in area not exposed to the rain or direct sun light Install a
89. sung Electronics 2 3 Product Specifications cont Type AJ020JCJ2CH 2 AJ036JCJ5CH OUTDOOR UNIT Free Joint Multi Cooling Capacity Heating 17000 22000 22000 36000 Air Volume Performance Cooling Noise Heating Power 1 208 230 60 Cooling Power Consumption Heating Cooling Operating Current Heating Fuse Capacity 1820 1780 6 7 8 7 16 5 8 3 8 5 15 1 EER Btu Wh EER COP COP WW Coolino Heating Dimension W H D 12 2 7 3 73 12 1 4 12 107 3 72 880 798 310 940 998 330 Net Weight Type 65 0 Twin BLDC Rotary 75 5 Model name UG4T200FUAE4 G8T260FUAEW UG8T300FUBJU Motor Type Type Lubricant Oil BLDC POE Compressor Capacity Protection Device 700 Type Fan Motor Blower amp Size Propeller 0460 Type Capacitor Heat Exchanger Refrigerant Control Unit Charging Refrigenrant R410A Additional Refrigerant R410A Total Piping length Max Length ODU to IDU Max Height OUD more height 2200 charged for 3300 charged for charged for Model Total connecting pipe length L Adding refrigerant AJ020JCJ2CH LT lt 30m Chargeless LT gt 30m LT 30m x10g LT lt 40m Chargeless AJ024JCJ3CH LT gt 40m LT 40m x10g LT lt 40m Chargeless AJ036JCJ5CH LT gt 40m LT 40m x20g
90. w is controlled with EEV in the outdoor controller should know which EEV will control which indoor unit Once PIPE CHECK MODE is done normally each indoor unit will remember the given address number by the outdoor unit and no need to do this checking But in case of listed below PIPE CHECK MODE should be done again e Re install the system ie house moving Remove indoor unit Add new indoor unit Change indoor PCB for repair Mode change from manual addressing to auto addressing On this mode the controller will ignore the manual address number set on the rotary switch on the indoor PCB To confirm the indoor address number assigned by this mode use TESTMODE and the address number will be displayed on the LED display on the indoor unit Samsung Electronics 4 19 If Error code is displayed on indoor or outdoor LED check as follows Manaul address setting Contents Turn on the system But outdoor units PCB displayed E201 or E101 Error code Check point Remarks Outdoor PCB Check to Number of indoor unit s SWO1 1 Check to power cable to indoor units Wire connect Check to communication cable indoor units Contents Turn on the system But outdoor units PCB displayed E203 Error code Check point Remarks Outdoor communication error between the outdoor main Outdoor PCB PCB and sub PCB SW01 Check to sub PCB wire and replace it Wire connect Contents Turn on the i

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