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Samsung AJ007JNADCH Service Manual

Other manuals for AJ007JNADCH: Service Manual
Manual is about: MULTI AIR CONDITIONER

Summary of AJ007JNADCH

  • Page 1

    Air conditioner contents multi air conditioner 1. Precautions 2. Product specifications 3. Disassembly and reassembly 4. Troubleshooting 5. Pcb diagram and parts list 6. Wiring diagram 7. Reference sheet outdoor unit aj020jcj2ch aj024jcj3ch aj036jcj5ch aj020jcj2ch/aa aj024jcj3ch/aa aj036jcj5ch/aa mo...

  • Page 2: Contents

    Contents 1 1. Precautions ........................................................................................................................................ 1-1 1-1 installing the air conditioner .....................................................................................................

  • Page 3: 1. Precautions

    Samsung electronics 1-1 1. Precautions 1-1 installing the air conditioner o 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. O if you don’t install the air condi...

  • Page 4

    1-2 samsung electronics 1-4 disposing of the unit o before throwing out the air conditioner, remove the batteries from the remote control. O 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 conta...

  • Page 5: 2. Product Specifications

    Samsung electronics 2-1 2. Product specifications 2-1 the feature of product ÿmulti inverter(free joint multi) series delivers comfort to 2~5 rooms with a single outdoor unit. ÿinverter for high efficiency operation. Thanks to inverter control, efficiency of operation of the outdoor unit is enhanced...

  • Page 6

    2-2 samsung electronics 2-2 product specifications item aj009jnldch aj012jnldch aj018jnldch indoor unit type slim duct performance cooling btu/h 9000 12000 18000 heating 10000 13000 19000 air volume cooling m3/min 8.3 9.8 14.8 heating 8.3 9.8 14.8 noise cooling db(a) 37 heating 38 37 power Φ,v,hz 1,...

  • Page 7

    Samsung electronics 2-3 product specifications(cont.) item aj018jnadch aj024jnadch indoor unit type wall-mounted performance cooling btu/h 17100 22000 heating 20000 25500 air volume cooling m3/min - - heating - - noise cooling db(a) 50 51 heating 46 50 power Φ,v,hz 1, 208~230, 60 power power consump...

  • Page 8

    2-4 samsung electronics product specifications(cont.) item aj020jcj2ch aj024jcj3ch aj036jcj5ch outdoor unit type free joint multi performance capacity cooling btu/h 17000 22000 36000 heating 22000 25000 4000 air volume m3/min 47.5 46.89 70.58 noise cooling db(a) 54 55 59 heating 57 57 63 power Φ,v,h...

  • Page 9

    Samsung electronics 2-5 product specifications(cont.) item model aj020jcj2ch design indoor unit outdoor unit net weight indoor unit aj007/009/012jnadch 9.5 kg aj009/012jnndch 11.4 kg aj009/012jnldch 23.3 kg outdoor unit aj020jcj2ch 57.3 kg dimemsion indoor unit aj007/009/012jnadch 826*275*260 mm aj0...

  • Page 10

    2-6 samsung electronics product specifications(cont.) item model aj024jcj3ch design indoor unit outdoor unit net weight indoor unit aj007/009/012jnadch 9.5 kg aj018jnadch 13.0 kg aj009/012jnndch 11.4 kg aj018jnndch 11.8 kg aj009/012jnldch 23.3 kg aj018jnldch 29.0 kg outdoor unit aj024jcj3ch 65.0 kg ...

  • Page 11

    Samsung electronics 2-7 item model aj036jcj5ch design indoor unit outdoor unit net weight indoor unit aj007/009/012jnadch 9.5 kg aj018jnadch 13.0 kg aj024jnadch 14..0 kg aj009/012jnndch 11.4 kg aj018jnndch 11.8 kg aj009/012jnldch 23.3 kg aj018jnldch 29.0 kg outdoor unit aj036jcj5ch 75.5 kg dimemsion...

  • Page 12

    2-8 samsung electronics 2-3 accessory and specifications item descriptions code-no. Q'ty remark wired remote controller db97-15070d 1 indoor unit owner's manual db68-04994a 1 installation manual db68-04995a 1 insulation cover db62-04318s 1 insu drain hose db62-11028a 1 insu hose c/d db62-11028e 1 db...

  • Page 13

    Samsung electronics 2-9 accessories(cont.) item descriptions code no qty rmark istallation plate db90-07732a (03 frame) 1 indoor unit istallation plate db90-07731a (05 frame) 1 remote control db93-14643r 1 batteries for remote control 4301-000121 2 user’s manual db68-04992a 1 installation manual db6...

  • Page 14

    2-10 samsung electronics item description code no. Q’ty remark ass'y drain hose db94-03287a 1 essential offer (indoor unit) cable-tie db65-10088c 6 seal-drain ass'y db62-11028a 1 seal-drain ass'y db62-11028h 1 seal-drain ass'y db62-11028j 1 user manual db68-04990a 1 garantie card db98-13261a 1 assy-...

  • Page 15

    Samsung electronics 2-11 accessories(cont.) item descriptions code no qty rmark drain plug out db67-00477a 1 outdoor unit energy label db68-05062a(aj020jcj2ch) db68-05062b(aj024jcj3ch) 2 rubber leg db73-20134a 4 flare nuts, 9.52mm outer pipe diameter db60-30010b (only for aj024jcj3ch) 1 installation...

  • Page 16

    2-12 samsung electronics accessories(cont.) item descriptions code no qty rmark drain plug out db67-00806a 1 outdoor unit energy label db68-05115a 2 rubber leg db73-20134a 4 cap drain db63-10355c 3 installation manual db68-05013a 1 flare nuts 3/8” db96-16155a 3 flare nuts 5/8” db96-16155b 2 qaj036jc...

  • Page 17

    Samsung electronics 3-1 3. Disassembly and reassembly ■ necessary tools item remark +screw driver monkey spanner.

  • Page 18

    3-2 samsung electronics 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/aj018jnadch/aj024jnadch no parts procedure remark 1 panel-front 1) st...

  • Page 19

    Samsung electronics 3-3 no parts procedure remark 4) cover panel is fixed to body by hook in center area and side area. 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 a...

  • Page 20

    3-4 samsung electronics no parts procedure remark 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. )ppl4jef )ppl$foufs 4dsfx $bq4dsfx.

  • Page 21

    Samsung electronics 3-5 no parts procedure remark 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 ins...

  • Page 22

    3-6 samsung electronics no parts procedure remark 9) remove the panel frame from the main frame as shown on the right side..

  • Page 23

    Samsung electronics 3-7 no parts procedure remark 2 control in 1) loosen stepping motor wire / blade wire 2) loosen motor wire. Caution: when you separate the connector,pull pressing the locking button. 3) loosen the terminal block wires. Caution: when you separate the connector,pull pressing the lo...

  • Page 24

    3-8 samsung electronics no parts procedure remark 2 control in 5) take off the case-control from the main frame after loosen the remaining con- nector. Caution: when you separate the connector,pull pressing the locking button 3 tray drain 1) to detach tray-drain from the main frame, pull the bottom ...

  • Page 25

    Samsung electronics 3-9 no parts procedure remark 4 evaporator 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 ...

  • Page 26

    3-10 samsung electronics no parts procedure remark 5 fan motor cross fan 1) unfasten the screw. (use + screw driver) 2) detach the fan motor case. 3) unfasten the screw a little. (use + screw driver) 4) pull the cross-fan to the left side..

  • Page 27

    Samsung electronics 3-11 no parts procedure remark 1 motor blower 1) disassemble the cabinet top motor. - unscrew 8 screws 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 screw...

  • Page 28

    3-12 samsung electronics no parts procedure remark 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) aft...

  • Page 29

    Samsung electronics 3-13 no parts procedure remark 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..

  • Page 30

    3-14 samsung electronics no parts procedure remark 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) disassemble the refrigerant ...

  • Page 31

    Samsung electronics 3-15 no parts procedure remark 5) disassemble the evaporator form the set. 4 control in * 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 separat...

  • Page 32

    3-16 samsung electronics ÿ aj018jnldch no parts procedure remark 1 filter 1) pull out the filter as picture 1 or picture 2..

  • Page 33

    Samsung electronics 3-17 no parts procedure remark 2 blower motor 1) after disassembling 13 indicating screws, detach ass’y cabinet-top 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..

  • Page 34

    3-18 samsung electronics no parts procedure remark 3) after disassembling 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 indicat...

  • Page 35

    Samsung electronics 3-19 no parts 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 scr...

  • Page 36

    3-20 samsung electronics 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 ...

  • Page 37

    Samsung electronics 3-21 no parts procedure remark 5) disassemble the evaporator form the set. 5 control in 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 separatel...

  • Page 38

    3-22 samsung electronics no parts procedure remark 1 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. (u...

  • Page 39

    Samsung electronics 3-23 no parts procedure remark 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) disco...

  • Page 40

    3-24 samsung electronics no parts procedure remark 3 bell-mouth 1) unscrew the screw fixed on the bell-mouth. (use +screw driver) 2) push the bell-mouth in the direction oppo- 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 indo...

  • Page 41

    Samsung electronics 3-25 no parts procedure remark 5 drain pump hose 1) remove the 2 fixed screws and discon- nect the white drainage hose from the 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 fixe...

  • Page 42

    3-26 samsung electronics no parts procedure remark 7 fan motor 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 ...

  • Page 43

    Samsung electronics 3-27 no 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..

  • Page 44

    3-28 samsung electronics ÿ aj020jcj2ch/aj024jcj3ch 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.). No parts procedure remark 1 common work control out you must turn off the power...

  • Page 45

    Samsung electronics 3-29 no parts procedure remark 6) loosen 2 fixing screw and pull up the control box. (use +screw driver.) 7) pull the felt and detach it. 8) detach the terminal cover and detach the comp lead wire..

  • Page 46

    3-30 samsung electronics no parts procedure remark 2 fan moter 1) loosen the fixing nut and detach the fan. (use monkey spanner.) 2) loosen 4 fixing bolts and detach the motor. (use +screw driver.) 3) loosen 4 fixing bolts and detach the bracket motor. (use +screw driver.) 3 heat exchanger compresso...

  • Page 47

    Samsung electronics 3-31 ÿ aj036jcj5ch no parts procedure remark 1 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) 2 cabi front rh 1) unscrew and remove 6 mounting screw in the cabinet side rh. (use +scre...

  • Page 48

    3-32 samsung electronics no parts procedure remark 4 guard cond 1) pull the sensor from guard cond. 2) unscrew and remove 4 screws in the guard cond. ( use + screw driver ) 5 cabi back rh 1) pull the sensor from cabi back rh. 2) unscrew and remove 5 screws on each side of the cabinet back rh. ( use ...

  • Page 49

    Samsung electronics 3-33 no parts procedure remark 6 plate case control support 1) unscrew and remove 2 screws in the plate case control support. ( use + screw driver ) 7 cabi back rh 1) unscrew and remove 10 screws in the cabinet-front lf ( use + screw driver ).

  • Page 50

    3-34 samsung electronics no parts procedure remark 8 fan 1) turn 2 mounting nuts as shown in the picture and remove it. (use adjustable wrench) 9 motor 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 contro...

  • Page 51

    Samsung electronics 3-35 no parts procedure remark 11 control out 1) disconnect 9 connecters from ass'y control out. 2) 3) unscrew and remote 2 mounting screw in control out.(use + screw driver) separate ass'y control out.

  • Page 52

    3-36 samsung electronics no parts procedure remark 12 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 ...

  • Page 53

    Samsung electronics 3-37 no parts procedure 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).

  • Page 54

    3-38 samsung electronics memo.

  • Page 55: 4. Troubleshooting

    Samsung electronics 4-1 4. Troubleshooting 4-1 display error and check method 4-1-1 indoor unit q aj009jnndch/aj012jnndch/aj018jnndch abnormal conditions led lamp display remarks operation defrost timer filter power reset x x x error of temperature sensor in the indoor unit (open/short) x x x error ...

  • Page 56

    4-2 samsung electronics abnormal conditions indicators remarks concealed type green red standard type power reset x x x x error of temperature sensor in the indoor unit (open/short) x x x x displayed on appropriate indoor unit which is oper- ating error of heat exchanger sensor in the indoor unit er...

  • Page 57

    Samsung electronics 4-3 ◆ if you turn off the air conditioner when the led is flickering, the led is also turned off. ◆ if you re-operate the air conditioner, it operates normally at first, then detect an error again. ● on flickering x off abnormal conditions indicators remarks concealed type green ...

  • Page 58

    4-4 samsung electronics ◆ if you turn off the air conditioner when the led is flickering, the led is also turned off. ◆ if you re-operate the air conditioner, it operates normally at first, then detect an error again. ● on flickering x off led display on the receiver & display unit q aj007jnadch/aj0...

  • Page 59

    Samsung electronics 4-5 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...

  • Page 60

    4-6 samsung electronics display explanation (the error indicated on the pcb display of outdoor unit) remark evaout2 sensor short/open evaout3 sensor short/open evaout4 sensor short/open evaout5 sensor short/open outdoor unit freezing(compressor stop) check pipe lenght, indoor unit filter, refrigeran...

  • Page 61

    Samsung electronics 4-7 setting option high temp button high fan button mode change low temp button low fan button entering mode for setting option option setting mode x setting option 1. Remove batteries from the remote controller 2. Insert batteries and enter the option setting mode while pressing...

  • Page 62

    4-8 samsung electronics the procedure of setting option operation indication * 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 s...

  • Page 63

    Samsung electronics 4-9 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 add...

  • Page 64

    4-10 samsung electronics 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 op...

  • Page 65

    Samsung electronics 4-11 xif you are going to use up to seg 24, please refer to following instruction. Seg 18 : 7 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...

  • Page 66

    4-12 samsung electronics 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. Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and th...

  • Page 67

    Samsung electronics 4-13 ◆ switch the system on and wait for code " " to appear on the display of the external unit (this requires approximately 60 seconds **). ◆ as soon as code " "displays, press once the red button (k1) shown on the figure on the side of the page: warning if the quantity of indoo...

  • Page 68

    4-14 samsung electronics 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 sel...

  • Page 69

    Samsung electronics 4-15 type picture model to set addressing manually by rotary switch “sw02” slim duct aj009jnldch aj012jnldch aj018jnldch sw same for: rotary switch “sw02” position according to refrigerant circuit connected ( 0=a; 1=b; 2=c; 3=d ) outdoor unit a unit outdoor unit a unit b unit c u...

  • Page 70

    4-16 samsung electronics 4-4 checking and testing operations ampere limit setting & changing procedure ※ the designs and shape are subject to change according to the model. Switch selection aj020jcj2ch aj024jcj3ch aj036jcj5ch switch 3 4 14.0a (default) 16.6a (default) 23.0a (default) (off) on on 13....

  • Page 71

    Samsung electronics 4-17 q settings of pcb display of the outdoor unit ý key options of pcb display - k1 : pipe checking operation button - k2 : function button - k3 : reset button - k4 : view mode change button key push k1 k2 k3 k4 1 pipe checking operation (display: ) heat mode try run (display: )...

  • Page 72

    4-18 samsung electronics 2. 2. Ok : this number is displayed only while communicating, so each number is displayed for a short time in order. Nothing is displayed on the led. Check the power source, power cable & fuse on the outdoor unit. Yes no yes no does led show "normal display"? "normal display...

  • Page 73

    Samsung electronics 4-19 7 expected time of 4 indoor units installation. Ttipxtuifjoeppsvojuvoefstfbsdijoh t*udpvmeublfnpsfujnfefqfoejohpouifjoeppsboepvueppsufnqfsbuvsf t"gufsdpnqmfufjohqjqfdifdlpqfsbujpojutipxtiwpouifejtqmbz1$# t5ifmfguejtqmbz%*4xjmmtipxtfrvfoujbmmzuifgpmmpxjohnfttbhf 00 -estabilis...

  • Page 74

    4-20 samsung electronics if error code is displayed on indoor or outdoor led, check as follows; - manaul address setting q1 step 1 step 2 contents turn on the system. But outdoor units pcb displayed e201 or e101 error code. Check point remarks check to number of indoor unit’s sw01. Outdoor pcb sw01 ...

  • Page 75

    Samsung electronics 4-21 - auto address setting q6 analysis step 1 step 2 step 3 guidance contents indoor units 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 connected by mistake. Check to indoor unit’...

  • Page 76

    4-22 samsung electronics - operation error q1 analysis guidance 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 i...

  • Page 77

    Samsung electronics 4-23 - try-run check error q5 analysis contents when system start in cooling mode, system don’t operate and display e441 error code check point remarks fjm plus is able to operate by -10 Ň c but we admit that minimum cooling temperature is by -5 Ň c please, remember cooling opera...

  • Page 78

    4-24 samsung electronics 4-5 fault diagnosis by symptom 4-5-1 indoor 4-5-1-1 indoor temperature sensor (open/short) *oeppsvojuejtqmbz 90qfsbujpo 9%fgsptu 4znqupn &sspspg3ppntfotpsjouifjoeppsvoju0qfo4ipsu 'bjmvsf 4ipsupsmfblbhfpguif3ppntfotps :ft /p /p *ouijtdbtfjtuifsftjtubodf wbmvfpvupgsbohfjouifuf...

  • Page 79

    Samsung electronics 4-25 4-5-1-2 indoor fan error ( bldc motor model ) :ft /p :ft *tuifsfgpsfjhotvctubodf tuvdljouifnpupsgbo :ft *tuifnpupsdpoofdups ejtdpoofdufegspnuif1$# 3fqmbdfuif1$#boesftubsuuifvoju $poofduuifdpoofdupsup 1$#boesftubsuuifvoju 3fnpwfuifgpsfjhotvctubodf boesftubsuuifvoju *oeppsvoju...

  • Page 80

    4-26 samsung electronics 4-5-1-3 communication error after finishing tracking *oeppsvojuejtqmbz 4znqupn $pnnvojdbujpofsspscfuxffouifjoeppsboepvueppsvojugpsuxpnjovuft 'bjmvsf $pnnvojdbujpofsspscfuxffouifjoeppsvojuboepvueppsvoju /p :ft /p :ft *tuifsfbsftqpotfgspnuifjoepps1$# -&%3&%jtopu0/ *ouijtdbtfjt...

  • Page 81

    Samsung electronics 4-27 3ftubsuuifvojubgufssfqmbdjohuif1$# *oeppsvojuejtqmbz 0qfsbujpo %fgsptu 5jnfs9'jmufs 4znqupn &&130.Djsdvjugbjmvsf 'bjmvsf &&130.Dpnqpofougbjmvsf&&130.Djsdvjuqbsutnjttjohebnbhfetpmefsjohgbjmvsf /p :ft "sfuif&&130.Djsdvju dpnqpofoutjohppedpoejujpot njttjohdpnqpofoutebnbhf tpmef...

  • Page 82

    4-28 samsung electronics :ft turn off the main power switch djsdvjucsfblpgqpxfspvumfuboeuvsopo bhbjobgufstfdpoet $ifdluifjoqvuqpxfs /p *tuifpvueppsvojuqpxfs tvqqmz-/7 :ft $ifdluifdpoofdujpopguifufsnjobmcmpdl /p *tuifpvueppsvojuqpxfs wpmubhf-/7 :ft 3fqmbdfuifjowfsufs1#" /p *tuifwpmubhfcfuxffo uifufsn...

  • Page 83

    Samsung electronics 4-29 :ft :ft /p :ft :ft :ft /p *tuifgbo$/dpoofdufedpssfdumz 5vsopõuifqpxfsboesftubsuuifvoju 3fqmbdfuifjowfsufs1$# /p *tuifsftjtubodfcfuxffo qjoboeqjopguifgbo$/ pwfs.Ʈ /p *tuifwpmubhfcfuxffo qjoboeqjopguifgbo$/ pwfs7 /p *tuifwpmubhfcfuxffo qjoboeqjopguifgbo$/ pwfs7 /p *tuifgbosvoo...

  • Page 84

    4-30 samsung electronics :ft :ft :ft :ft /p *tuifsfbofssps 5vsopõuifqpxfsboesftubsuuifvoju 3fqmbdfuifpvseppsvojunbjo1$# /p *tuifsftjtubodfwbmwf cfufxxouifqibtft677886 cfmpxopsnbmwbmwf /p *tuifsftjtubodfwbmvf cfuxffouifdpnqsfttpscpezboeuifdibttjt jouifsbohfpg.FhbƮ /p *tuifdpnqsfttpsdpoofdujpo xjsfdpo...

  • Page 85

    Samsung electronics 4-31 :ft :ft :ft :ft /p *tuifpvseppsvojujotubmmfedpssfdumz 3fqmbdfuif1$# /p *tuifsftjtubodfwbmwf cfufxxouifqibtft677886 cfmpxopsnbmwbmwf /p *tuifsftjtubodfwbmvf cfuxffouifdpnqsfttpscpebzboeuifdibttjt jouifsbohfpg.FhbƮ /p *tuifdbcmfcfuxffouifdpnqsfttpsboeuif 1$#dpoofdufedpssfdumz ...

  • Page 86

    4-32 samsung electronics :ft :ft /p *tuiftfotpsdpoofdupsdpoofdufe dpssfdumzjobddpsebodfxjuibdpmps &ydibohfuif0vuepps1#" .Jdpnfsspspsdpoofdupsdifdl 3fdpoofduuiftfotpsdpoofdups :ft *tuiftfotpssftjtubodfwbmvf lpinœbuuifsppnufnqfsbuvsf pgȟ /p 4fotps3fqmbdf 4fotpssftjtubodfwbmvfȟlpin ȟpin ȟpin ȟlpin...

  • Page 87

    Samsung electronics 4-33 yes yes 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? 2. Troubleshooting procedure no is the sensor connector connected correctly in accordance with a color? Exchange the outdoor ...

  • Page 88

    4-34 samsung electronics 4-6 pcb inspection 4-6-2 procedure 12-4-2 the parts should be replaced in the following procedure. 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...

  • Page 89: 5-1. Indoor Unit

    Samsung electronics 5-1 5. Pcb diagram and parts list 5-1. Indoor unit 19 18 15 20 17 16 21 14 22 23 24 25 11 1 2 3 4 9 5 6 7 8 10 12 13 floating s/w : smw250-02(blk) wired remote controller communication : yw396-02(blu) indoor pipe in temperature sensor : smw250-04(wht) option load connector : smw2...

  • Page 90

    5-2 samsung electronics 2 1 4 5 3 6 14 13 8 7 10 11 9 13 12 15 16 (1) main power input (2) bldc fan (3) earth wire (4) float switch 1(l):phase l 1:dc310v 1:gnd 1:float_sw 2(n):phase n 2:not used 2:gnd 3:agnd 4:dc15v 5:fan prm 6:prm feedback (5) eva in/out sensor (6) room temperature (7) s/w download...

  • Page 91

    Samsung electronics 5-3 ① #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 cn01-display 1 qpanel pcb.

  • Page 92

    5-4 samsung electronics ① $/$/$/ 45&1.0503 %$7 _45&1.05034*(/"- ② $/108&3*/ "$_7 /$ ③ $/41* 41*4*(/"- %$7 ④ $/8*'*.0%6-& 8*'*6"354*(/"- 8*'*6"354*(/"- 8*'*3&4&54*(/"- (/% %$7 /$ ⑤ $/%*41-": __.*$0.%08/ /$ ⑥ $/5&.1&3"563&4&/403 300.4&/403 &7".*%4&/403 &7"*/4&/403 ⑦ $/$0..6/*$"5*0/ $0..4*(/"- ⑧ $/#-%$...

  • Page 93: 5-2. Outdoor Unit

    Samsung electronics 5-5 5-2. Outdoor unit q aj020jcj2ch/aj024jcj3ch 1 2 3 4 5 6 7 8 # .-)# /-$/7 . # .% 6 !).3 % .3 /2 # .!3 0 2 /- # .% % 6 $ ^-)# /-$/7 . ^% 6 !).! ^-)# /-$/7 . ^% % 6 s ignal ^% 6 !)." !3 0 2 /53 ).' $# 6 ^% 6 !).# ^% 6 !).$ # .% 6 !/54 3 % .3 /2 # .-!).(5" # .$ispla y # .$# 6 ^% ...

  • Page 94

    5-6 samsung electronics q aj036jcj5ch main pcb 1 2 11 12 3 4 5 6 7 8 9 10 1 2 3 4 #1~#3 : 220~240 vac #1~#3 : 220~240 vac #1~#2 outdoor temp #1~#4 eev signal #3~#4 cond temp #5 dc 12v #5~#6 discharge temp #7~#8 olp temp 5 6 7 8 #1~#4 eev signal #1~#4 eev signal #1 txd #1 dc12v #5 dc 12v #5 dc 12v #2...

  • Page 95

    Samsung electronics 5-7 2 1 3 6 4 7 5 8 ① 3fbdups"8)5 3fbdups#8)5 ② 3fbdups"#-, 3fbdups##-, ③ 39%59% (/%%$7 %$7*/74.14tjhobm ④ 39%@"5"3059%@"5"30 /$_%"5"tjhobm (/%%$7 ⑤ 'ps48fohjoffsefcvhhjoh ⑥ %$7 /$ (/% %$7 '"/31. '"/31.Gffecbdl ⑦ %$7 /$ (/% %$7 '"/31. '"/31.Gffecbdl ⑧ $0.16qibtf3&% $0.17qibtf#-6 ...

  • Page 96

    5-8 samsung electronics 2 3 1 1 2 3 4 5 6 7 1 2 3 4 #1 dc12v #1~#10 micom down #1~#7 micom down #1~#2 eva in a #2 gnd (as pro using) #3~#4 eva in b #3 dc5v #5~#6 eva in c #4 com1 #7~#8 eva in d #5 com2 #9~#10 eva in e 5 6 7 #1~#2 eva out a #1~#4 eev signal #1~#4 eev signal #3~#4 eva out b #5 dc 12v ...

  • Page 97: 6. Wiring Diagram

    Samsung electronics 6-1 6. Wiring diagram 6-1. Indoor unit qaj009jnndch/aj012jnndch/aj018jnndch this document can not be used without samsung's authorization..

  • Page 98

    6-2 samsung electronics qaj007jnadch/aj009jnadch/aj012jnadch/aj018jnadch/aj024jnadch this document can not be used without samsung's authorization..

  • Page 99

    Samsung electronics 6-3 qaj009jnldch/aj012jnldch/aj018jnldch this document can not be used without samsung's authorization..

  • Page 100: 6-2. Outdoor Unit

    6-4 samsung electronics 6-2. Outdoor unit qaj020jcj2ch/aj024jcj3ch.

  • Page 101

    Samsung electronics 6-5 qaj036jcj5ch.

  • Page 102

    6-6 samsung electronics memo.

  • Page 103: 7. Reference Sheet

    Samsung electronics 7-1 7. Reference sheet 7-1 selecting area for installtaion 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 make sure that you install the indoo...

  • Page 104

    7-2 samsung electronics 1 make sure that you install the outdoor unit in area not exposed to the rain or direct sun light.(install a separate sunblind if exposed to direct sun light.) 2 make sure that you install the outdoor unit in area allowing the good air moment, not amplifying noise or vibratio...

  • Page 105

    Samsung electronics 7-3 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 the compressor, reduce to cooling capacity and could lead to a malfunction. Refrigerant for air purging is not charge...

  • Page 106

    7-4 samsung electronics 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). 3) connect the tank to refill with refrigerant. 4) set the unit to cool operation mode. 7) stop operation of the...

  • Page 107

    Samsung electronics 7-5 7-4 refrigerant adjustment 7-5 flare nut fixing torque class at installation at service connection pipe length air-purge method refrigerant adjustment air-purge method refrigerant quantity standard 30m (aj020jcj2ch) refer to the detailed conneting up and purging the circuit. ...

  • Page 108

    7-6 samsung electronics 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. Relocation of the air conditioner Ŗ refer to this procedure when the unit is relocated. Ŗ 1. Carry out the pump down procedure (refer to the d...

  • Page 109

    Samsung electronics 7-7 7-7 index of model name model code (indoor) h d h n h c h aa h / h 009 h h h aj h j h n product type code type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak (packaged system) ag chr year code type e 2012 f 2013 h 2014 j 2015 k 2016 l 2017 separator code type s normal ...

  • Page 110

    7-8 samsung electronics model code (outdoor) h 2 h j h c h aa h / h 020 h h h aj h j h c product type code type am dvm aj pma ac cac (usd) / asd ae ehs an vtl ak pak ag chr year code type e 2012 f 2013 h 2014 j 2015 k 2016 l 2017 feature code type j ifree joint multi p pack multi h dvm home grade co...

  • Page 111: Aj024Jcj3Ch  Cycle Diagram

    Samsung electronics 7-9 aj020jcj2ch cycle diagram 7-8 refrigerating cycle diagram aj024jcj3ch cycle diagram.

  • Page 112

    7-10 samsung electronics aj036jcj5ch cycle diagram.

  • Page 113

    Samsung electronics 7-11 7-9 pressure & capacity mark 7-10 the abbreviated technology words & the definition of technology terms w cal/s kcal/h btu/h hp kg . M/s ib . M/s 1 4.1868 1.163 0.29307 745.7 9.8067 1.3558 0.23885 1 0.27778 0.06999 178.11 2.3423 0.32383 0.85985 3.6 1 0.252 641.19 8.4322 1.16...

  • Page 114

    7-12 samsung electronics 7-11 q & 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 clea...

  • Page 115

    Samsung electronics 7-13 q & 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. Q whenever the air conditioner is...

  • Page 116

    7-14 samsung electronics q the remote controller won't operate. A when the 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 ...

  • Page 117

    Samsung electronics 7-15 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 circulatio...

  • Page 118

    This service manual is a property of samsung electronics co., ltd. Any unauthorized use of manual can be punished under applicable international and/or domestic law. © samsung electronics co., ltd. 2014. Printed in china. Code no. Db68-14112a(1).