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Samsung AM14A1E07 Service Manual

Other manuals for AM14A1E07: Owner's Instructions Manual

Summary of AM14A1E07

  • Page 1

    Service manual contents air conditioner 1. Pre c a u t i o n s 2. Product specifications 3. Operating instructions and i n s t a l l a t i o n 4. Disassembly and reassembly 5. Tro u b l e s h o o t i n g 6. Exploded views and parts list 7. Block diagrams 8. Pcb diagrams 9. Wiring diagrams 10. Schema...

  • Page 2: 1. Precautions

    1 . Warning: prior to re p a i r, disconnect the power cord from the circuit bre a k e r. 2 . Use proper parts: use only exact replacement parts. (also, we re c o m m e n d replacing parts rather than repairing them.) 3 . Use the proper tools: use the proper tools and test equipment, and know how to...

  • Page 3: 9. Wiring Diagrams

    Samsung electronics 9-1 9. Wiring diagrams 9-1 indoor unit • am20a1(b1)e08 • am20a1(b1)e06 • am14a1(b1)e07.

  • Page 4

    Samsung electronics 9-2 9-2 outdoor unit • um20a1(b1)e3 • um14a1(b1)e2.

  • Page 5: U P D A Te  Log  Sheet

    U p d a te log sheet application date page part# note(cause & solution) s/bulletin# use this page to keep any special servicing information. (service bulletin, etc.) if only parts number changes, just change parts number directly on parts list. And if you need more information, please see the servic...

  • Page 6: 8. Pcb Diagrams

    Samsung electronics 8-1 8. Pcb diagrams 8-1 main pcb-indoor unit 8-1-1 am14a1(b1)e07 (db93-10603a).

  • Page 7

    Pcb diagrams 8-2 samsung electronics ■ part list design location f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903,904,905,906 r203 r202,301,409,501~509,513,518~521,601,604,606,902 r522 r523 r405,407 r201,204,405,401,402,404,603,606 r607 r602 r403 r910,912,913 r406,408 d101~105 ss71 bz61 tn71 tn71 c202,4...

  • Page 8

    Samsung electronics 8-3 8-1-2 am20a1(b1) e08(db93-00072a) pcb diagrams.

  • Page 9

    Pcb diagrams 8-4 samsung electronics ■ part list no design location 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903 r203 r202,301,409,501~509,513,601,604,606,9...

  • Page 10

    Samsung electronics 8-5 8-1-3 am20a1(b1)e06 (db93-10628a) pcb diagrams.

  • Page 11

    Pcb diagrams 8-6 samsung electronics ■ part list design location f701 f701 ic01 ic01 ic01 ic02 va71 cr71 ft71 r904, 905, 906 r203 r202, 501~509, 513, 519~525, 601, 604 r606 r405, 407 r201, 204, 205, 401, 402, 404, 603, 605 q603 r607 r608 r602 r403 r910, 203 r406, 408 d101~104 d105, 106 ss71 bz61 tn7...

  • Page 12

    Samsung electronics 8-7 8-2 pcb outdoor unit 8-2-1 • um14a1(b1)e2(db93-10618a) • um20a1(b1)e3(db93-10617a).

  • Page 13

    Pcb diagrams 8-8 samsung electronics ■ part list no. - j01-j09 op01 c304~306 c501~505, c201, c301~303, c401, c404, c102, c403 d101~d104 r510~513, 403 r304-306, r403 r301~r303 r201 r401 r402 r701~r704,r701~r706 pcb board q301~303 ic03 ic05 cn11 cn41 cn71 cn72 cn73 cn74 cn77 cn78 pc31~pc33 x501 c105 c...

  • Page 14

    Samsung electronics 8-9 8-3 ass’y display & module • db93-10560b no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 description pcb-display led - lamp led - lamp led - lamp led - lamp module remocon c-ceramic r-carbon connector wafer c-ceramic diod switching c/w dis & module case-center pcb up case-centerpcb...

  • Page 15

    Pcb diagrams 8-10 samsung electronics • db93-10561b no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 description pcb-display led - lamp led - lamp led - lamp led - lamp module remocon c-ceramic r-carbon connector wafer c-ceramic diod switching c/w dis & module case-center pcb up case-center pcb low seal di...

  • Page 16

    Samsung electronics 8-11 pcb diagrams • db93-10619b 8-3-3 am20a1(b1)e06 no paint description db41-10202b 0601-001333 0601-001059 0601-001060 0601-001196 db32-50027a 2202-000780 2001-000034 2201-000283 db39-20346a db61-10196a db63-10500a db72-10246a db72-10250a code-no pcb-display led - lamp led - la...

  • Page 17: 7. Block Diagrams

    Samsung electronics 7-1 7. Block diagrams 7-1 micro computer block diagram heat exchanger sensor infrared signal •blade-h control •indoor fan motor control •compressor control • temperature control • timer •buzzer control indoor fan motor speed detect zero crossing power on/off mode (auto, cool, dry...

  • Page 18

    Block diagrams 7-2 samsung electronics 7-2 outdoor unit control diagram (ic-type) ac240v 50hz power input 250v 3.15a power trans and rectification circuit dc power circuit load control (sv-by, sv-b, sv-c, compressor) indoor unit room b, and room c sensor room “c” input room “b” input indoor unit roo...

  • Page 19

    Samsung electronics 6-1 6. Exploded views and parts list 6-1 indoor unit 6-1(a) am20a1(b1)e08, am14a1(b1)e07.

  • Page 20

    Samsung electronics 6-2 exploded views and parts list ■ parts list no. 1 1-1 2 3 4 5 6 7 7-1 7-2 8 9 10 11 12 13 14 15 16 17 18 19 20 21 code no db64-10140a db64-70073a db63-30131a db74-10091a db63-10472b db92-70075e db93-10560b db93-10561b db94-10088a db95-20138a db66-30153a db75-40077b db67-30058c...

  • Page 21

    Samsung electronics 6-3 exploded views and parts list 6-1(b) am20a1(b1)e06.

  • Page 22

    Samsung electronics 6-4 exploded views and parts list ■ parts list no. 1 1-1 2 3 4 5 6 7 7-1 7-2 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 code no db64-10162a db64-70098a db63-30166b db74-10108d db63-10486b db92-70093d db93-10619b db94-10086d db95-20138a db66-30195a db75-40091d db67-30058d db61-402...

  • Page 23

    Samsung electronics 6-5 6-2 outdoor unit (um20a1(b1)e3) 9(9-1~9-5) 6-2(a) um20a1(b1)e3.

  • Page 24

    Samsung electronics 6-6 exploded views and parts list no. 1 1-1 2 3 4 5 5-1 6 7 8 8-1 8-2 8-3 9 9-1 9-2 9-3 9-4 9-5 10 10-1 11 12 13 13-1 13-2 13-3 13-4 13-5 14 code no db90-10614b db72-60034a db67-50063a db31-00001b db61-20008c db90-00073b db70-00006a db90-40176a db90-20211a db99-00010a db62-00075a...

  • Page 25

    Samsung electronics 6-7 6-2(b) um14a1(b1)e2 exploded views and parts list.

  • Page 26

    Exploded views and parts list no. 1 2 3 4 5 6-1 6-2 6-3 6-4 6-5 6-6 6-7 6-8 7-1 7-2 7-3 8-1 8-2 8-3 9-1 9-2 9-3 9-4 10 11 12 13 14 code no db63-30004b db90-50151a db60-30018a db67-50063a db31-10058c db95-10062y db60-30018a db63-10165b db47-20001z db67-60020a 6021-000124 db60-50008a db73-10004a db99-...

  • Page 27

    Samsung electronics 6-9 6-3 remote control & pcb box 6-3-1 remote control ■ parts list no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 code no db61-10144a db61-10145a db64-20054a db63-10477a db74-10084a db73-20110b db64-40167a db64-40166b db68-10775a db68-10777a ph-m2 db67-60061a db67-60062a db67-60063...

  • Page 28

    Samsung electronics 6-10 exploded views and parts list no 1 2 2-1 2-2 2-3 2-4 2-5 2-6 3 code no db61-10151a db93-10603a db93-00072a db09-10149a db32-10008d de26-20154a 2306-000294 3501-001058 de32-10037a db93-10560b db93-10561b description case-control ass'y main pcb ass'y main pcb ic-mcu thermistor...

  • Page 29

    Samsung electronics 6-11 exploded views and parts list ■ parts list no 1 2 3 4 code no db61-10151a db93-10628a db32-10008d db26-10063b description case-control ass'y main pcb ass'y thermistor transformer specification abs ass'y 103at 240/240 ac230v/dc17 q’ty am20a1(b1)e06 1 1 1 1 remark 6-3-2(b) am2...

  • Page 30: 5. Troubleshooting

    1 ) is the voltage of the power corre c t ? The input voltage shall be rating voltage ±10% range. The airconditioner 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 pro p e r l y ? The indoor unit and the outdoor...

  • Page 31

    Samsung electronics 5-2 5-2 fault diagnosis by symptom 5-2-1 no power (completely dead)-initial diagnosis 1) checklist : (1) is input voltage normal? (2) is ac power linked corre c t l y ? (3) are connections between primary side, secondary side of the power transformer and pcb good. (4) is output v...

  • Page 32

    Samsung electronics 5-3 troubleshooting 5-2-2 when the power is not applied(outdoor unit) 1) checking points (1) is the voltage of the power normal? (2) is the power line in good contact? (3) a re the primary (cn71) and secondary (cn11) connectors of the power trans in good c o n t a c t ? (4) is th...

  • Page 33

    Samsung electronics 5-4 5-2-3 when the indoor unit fan does not operate. (initial diagnosis) 1) checklist : (1) is the indoor unit fan motor properly connected with the connector (cn73)? (2) is the ac voltage corre c t ? (3) is hall ic in indoor fan motor properly connected with the connector (cn43)...

  • Page 34

    Samsung electronics 5-5 5-2-4 when the outdoor unit does not operate. (initial diagnosis) 1 ) checklist : (1) is input voltage normal? (2) is the set temperature of the remote control higher than room temperature in cool m o d e ? (3) is the power in connector (terminal-tab) linked corre c t l y ? (...

  • Page 35

    Samsung electronics 5-6 (2) pro c e d u res for checking the outdoor unit. Troubleshooting n y n n n n y y y y y y y y y n n n n n turn off the power, and then turn on the power in 5 seconds. Does the compressor operate in 2 minutes after the relay (ry71) is activated at the indoor unit after 3 minu...

  • Page 36

    Troubleshooting 5-7 samsung electronics 5-2-5 when the up/down louver moter does not operate. (initial diagnosis) 1) checklist : (1) is input voltage normal? (2) is the up/down louver motor properly connected with the connector (cn61)? 2 ) troubleshooting pro c e d u re remove power cord and plug in...

  • Page 37

    Samsung electronics 5-8 5-2-6 if operation by remote control unit is impossible. (initial diagnosis) 1) troubleshooting pro c e d u re troubleshooting remove power cord and plug in again approx. 5 seconds is operation lamp blinking? Check as in the procedure “no power parts”. Refer to page 5-2. Norm...

  • Page 38

    Samsung electronics 5-9 troubleshooting 5-2-7 when the sv-by is malfunctioning (outdoor unit) 1) checking points (1) is the sv1 under normal operating condition? (2) is the voltage of the power normal? (3) is the connector (cn76) of the sv- b y in good contact? (4) is the resistance at both ends of ...

  • Page 39

    Samsung electronics 5-10 troubleshooting (2) when all of the indoor units (b & c) are turned off y n n y y y n n y n n y y y y n y n n n y turn off the outdoor power, and then turn on the power in 5 seconds. Is the sv1 turned off after operating for about 2 minutes when all of the indoor units (b & ...

  • Page 40

    Samsung electronics 5-11 troubleshooting 5-2-8 when the sv-b is malfunctioning 1) checking points (1) is the sv-b under normal operating condition? (2) is the voltage of the power normal? (3) is the sv-b connector (cn75) in good contact? (4) is the resistance at both ends of the solenoid about 1.4k ...

  • Page 41

    Samsung electronics 5-12 troubleshooting 5-2-9 when the sv-c is malfunctioning 1) checking point (1) is the sv-c under normal operating condition? (2) is the voltage of the power normal? (3) is the sv-c connector (cn74) in good contact? (4) is the resistance at both ends of the solenoid about 1.4k Ω...

  • Page 42

    Samsung electronics 5-13 troubleshooting n n n y y y n n n y n n y y y y n y n y n y y turn off the outdoor power, and then turn on the power in 5 seconds. Are the sva and svb operate turned off after operating for about 2 minutes when all of the indoor units (b & c) are turned off? •check and repla...

  • Page 43

    Samsung electronics 5-14 5-3 pcb inspection 5-3-1 cautions for part replacement 5-3-2 procedure the parts should be replaced in the following pro c e d u re . 1 . The human body carries much static e l e c t r i c i t y. Before touching a part for re p a i r, replacement or the similar purpose, be s...

  • Page 44

    Samsung electronics 5-15 5-3-3 detailed procedure no. 1 2 3 4 5 malfunction pull out the power plug from the ac terminal and confirm the fuse on the pcb assembly turn the power on. If lamp blinks trouble is not related to the items 1 through 4 on the right. Set operating mode when rmc switch pushed....

  • Page 45

    Samsung electronics 5-16 5-4 fault diagnosis of major parts parts temp.Sensor heat ex. Sensor indoor fan motor outdoor fan motor stepping motor (up/down swing motor) diagnosis measure resistance with a tester. Normal 8 k Ω ~27 k Ω at ambient temperature (+0°c ~ +30°c) abnormal ∞ , o Ω … open or shor...

  • Page 46

    Samsung electronics 4-1 4. Disassembly and reassembly 4-1 indoor unit stop operation of the air conditioner and remove the power cord before repairing the unit. No parts procedure remark 1 front grille 1) stop the air conditioner operation and block the main power. 2) seperate the tape of front. Pan...

  • Page 47

    Disassembly and reassembly samsung electronics no parts procedure remark 2 3 4 filter frame ass'y tray drain main pcb 1) loosen the left and right screw of the holder filter, and separate the holder filter. 1) do ①② , above. Separate the holder at the rear side of indoor unit. 2) take the display pc...

  • Page 48

    Disassembly and reassembly 4-3 samsung electronics no parts procedure remark 5 6 heat exchanger fan motor and cross fan 1) do " ①②➂➃ ", above. 2) loosen the left screws of the heat exchanger. 1) do " ①②➂➃➄ ", above. 2) loosen the fixing two screws and separate the motor holder. 3) loosen the fixing ...

  • Page 49

    Samsung electronics 4-4 4-2 outdoor unit no parts procedure remark 1 2 cabinet fan motor & propeller fan 1) turn off the unit and remove the power cable 2) remove the top cover. 3) remove the control box cover. 4) unplug the ass'y cable. 5) remove the cabi-side. 6) remove the cabi-front. * when you ...

  • Page 50

    Samsung electronics 3-1 3. Operating instructions and installation 3-1 operating instructions 3-1-1 name & function of key in remote controller no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 named of key mode (up) (down) turbo off on timer off timer set cancel (up) without regard to on/off condition in remo...

  • Page 51

    3-2 samsung electronics operating instructions and installation 1. A u to mode : in this mode, operation c o o l mode is selected automatically by the room temperature of initial operation. ∆ t= -1°, -2°c, 0°c+1°c+2°c ∆ t is controlled by setting temperature up/down key of remote contro l l e r * fa...

  • Page 52

    Samsung electronics 3-3 7 . C o m p u l s o ry o p e r ation : for operating the air conditioner without the remote contro l l e r. * a u to : the operating is the same func- tion that a u to mode in the remote con- t ro l l e r. 8 . Swing : blade-h is rotated vertically by the stepping motor. *memo...

  • Page 53

    3-4 samsung electronics 3-2. Outdoor unit controlling spec (each load controlling condition) 3-2-1 indoor unit signal(rooms "b", and "c" signal) 1 ) on condition : a time point where the d e s i red temperature at each indoor unit is +0.5°c against the current temperature . (when the compressor moto...

  • Page 54

    Samsung electronics 3-5 3-2-5 outdoor unit fan motor control (1 step) 1) on condition : when the compressor is "on". 2) o ff condition : when the compressor is "off". 3) the motor is operated in "high" rpm mode re g a rdless of the number of the indoor units o p e r a t e d . (note) 1. C o n t rolli...

  • Page 55

    3-6 samsung electronics 3-3 installation 3-3-1 selecting area for installation select an area for installation that is suitable to the customer's needs. 3-3-1(a) 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 af...

  • Page 56

    Samsung electronics 3-7 operating instructions and installation 3-2-2 installation diagram of indoor unit and outdoor unit a indoor unit gas leak test check point tape vinyl piping indoor unit b drain hose installation cut the piping hole sloped slightly piping (liquid) 1/4” clamper tube piping (gas...

  • Page 57

    3-8 samsung electronics operating instructions and installation 3-3-2(a) fixing the installation plate 3-3-2(b) purging the unit installation plate pipe hole (ø65mm) 280 (unit : mm) 340 (unit : mm) 1. Determine the position of the pipe and drain hose hole using the right figure and drill the hole wi...

  • Page 58

    Samsung electronics 3-9 3-3-2(c) connecting the assembly cable. 3-3-2(d) installing and connecting the indoor unit drain hose c a re must be taken when installing the drain hose for the indoor unit to ensure that any condensa - tion water is correctly drained outside.L when passing the drain hose th...

  • Page 59

    3-10 samsung electronics 3-3-2(e) outdoor unit installation operating instructions and gas leak test wiring connection indoor unit check point outdoor unit check point check for gas leak from the flare nut connections with leak detector. Two electric cables must be connected to the outdoor unit: • t...

  • Page 60

    Samsung electronics 3-11 grounding (the parts for this work are optional.) • a g rounding terminal can be found on the outdoor unit as illustrated. 1 . When an existing grounding terminal is available. ( g rounding wire of ®™1.6mm or larg e r w i re>or 2mm2 or larger ) 2 . Use of a grounding electro...

  • Page 61

    3-12 samsung electronics operating instructions and installation 3-3-2(f) flare modification flare modification procedure 1 ) cut the pipe using a pipe cutter. • tools used 2 ) remove burrs at the tip of the pipe cut. C a u t i o n : burrs not removed may result in leakage of gas. 3 ) insert a flare...

  • Page 62

    Samsung electronics 3-13 operating instructions and 3-2-2(g) air-purging vacuum pump indoor a-unit indoor b-unit liquid side gas side stem cap valve stem service port the air in indoor unit and in the pipe must be purged. If air remains in the refrigeration pipes, it will affect the compressor, redu...

  • Page 63

    3-14 samsung electronics operating instructions and installation 3-2-2(h) refrigerant refill if connecting pipe of more than 10 metres is installed, additional refrigerant should be charged by extra metre. You don’t have to charge additional refrigerant up to 10 metres of connecting pipe. 1. Remove ...

  • Page 64

    Samsung electronics 3-15 operating instructions and installation 3-2-2(j) pump down relocation of the air conditioner 1. Carry out the pump down pro c e d u re ( refer to the details of ‘pump down’). 2. Remove the power cord . 3. Disconnect the assembly cable from the indoor and outdoor units. 4. Re...

  • Page 65

    3-16 samsung electronics 3-3-3 technical document 3-3-3(a) am14a1(b1)e07 / am20a1(b1)e08 • cooling characteristics - outdoor te m p e r a t u re test condition indoor unit(db/wb) : 27/19 vo l t a g e / f requency : 240v/50hz 10000 cooling capacity outdoor temperature(db/wb) outdoor temperature(db/wb...

  • Page 66

    Samsung electronics 3-17 operating instructions and installation 3-3-3(b) am20a1(b1)e06 • cooling characteristics - outdoor te m p e r a t u re (b or c indoor unit only) test condition indoor unit(db/wb) : 27/19 vo l t a g e / f requency : 240v/50hz 10000 cooling capacity outdoor temperature(db/wb) ...

  • Page 67: 2. Product Specifications

    Model am14a1(b1)e2 am20a1(b1)e2 indoor unit outdoor unit indoor unit outdoor unit item am14a1(b1)e07 um14a1(b1)e2 am20a1(b1)e08 am20a1(b1)e06 um20a1(b1)e3 type wall-mounting multi split cooling 1 unit(a) 9,000 9,000 1 unit(b) btu/h 9,000 7,300 2 unit(a+b) 14,000 (7,000x2) 16,300 (9,000+7,300) 2 unit...

  • Page 68

    2-2 samsung electronics 2-2 dimensions 2-2-1(a) indoor unit (am14a1(b1)e07/am20a1(b1)e08) air in (front view) (remote control) (rear view) 815 182 air out installation plate 58 22 2-2-1(b) indoor unit (am20a1(b1)e06) (front view) (rear view) (remote control) 22 745 58 177.

  • Page 69

    Samsung electronics 2-3 2-2-2(b) um14a1(b1)e2 2-2-2(a) um20a1(b1)e3 2-2-2 outdoor unit product specifications (front view) (rear view) (front view) (rear view).

  • Page 70

    2-4 samsung electronics 2-3 refrigerating cycle block diagram refrigerating cycle temperature and pressure std pressure piping temp.(°c) temp. Condition (°c) operating condition (kg/cm 2 g) t1 t2 indoor outdoor 3-way valve db wb db wb standard 5.0~5.2 11 11 27 19 35 24 a or b max over load 6.0~6.3 1...

  • Page 71

    Samsung electronics 2-5 2-3-2(b) um20a1(b1)e3 product specifications.

  • Page 72

    Samsung electronics 10-1 10. Schematic diagrams 10-1 indoor unit 10-1-1 am14a1(b1)e07.

  • Page 73

    Samsung electronics 10-2 10-1-2 am20a1(b1)e06.

  • Page 74

    Samsung electronics 10-3 10-2-1 um20a1(b1)e3, um14a1(b1)e2 10-2 outdoor unit.