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Samsung AM18A1(B1)B09 Service Manual

Other manuals for AM18A1(B1)B09: Owner's Instructions Manual
Manual is about: INDOOR UNIT AND OUTDOOR UNIT ROOM AIR CONDITIONER

Summary of AM18A1(B1)B09

  • 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

    © samsung electronics co., ltd. Dec. 1998. Printed in korea. Code no. Db81-10176a(2).

  • Page 3: 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 re p l a c e m e n t parts. (also, we recommend replacing parts rather than repairing them.) 3 . Use the proper tools: use the proper tools and test equipment, and know how ...

  • Page 4

    1-2 samsung electronics m e m o.

  • Page 5

    Samsung electronics 2-1 2. Product specifications 2-1 table model am18a1(b1)e2 am18a1(b1)b2 am19a1(b1)e2 indoor unit outdoor unit indoor unit outdoor unit indoor unit outdoor unit item am18a1(b1)e09 um18a1(b1)e2 am18a1(b1)b09 um18a1(b1)b2 am19a1(b1)e07 am19a1(b1)e12 um19a1(b1)e2 type - wall-mounting...

  • Page 6

    2-2 samsung electronics 2-2 dimensions 2-2-1 indoor unit 2-2-1 outdoor unit (front view) (rear view) air in (front view) (remote control) (rear view) 815 182 air out installation plate 58 22.

  • Page 7

    Samsung electronics 2-3 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 8

    2-4 samsung electronics m e m o.

  • Page 9

    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 10

    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 11

    Samsung electronics 3-3 operating instructions and installation 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...

  • Page 12

    3-4 samsung electronics 3-2 outdoor unit controlling spec (each load controlling condition) 3-2-1 selecting area for installation select an area for installation that is suitable to the customer's needs. 3-2-1(a) indoor unit 1 . Make sure that you install the indoor unit in an area providing good ve...

  • Page 13

    Samsung electronics 3-5 3-2-2 installation diagram of indoor unit and outdoor unit operating instructions and installation a indoor unit gas leak test check point indoor unit piping tape vinyl piping may be laid to the rear, left, right or down. Right rear rear down left b drain hose installation cu...

  • Page 14

    3-6 samsung electronics operating instructions and installation 3-2-2(a) fixing the installation plate 3-2-2(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 15

    Samsung electronics 3-7 3-2-2(c) connecting the assembly cable. 3-2-2(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 16

    Indoor unit outdoor unit indoor unit terminal block 4 fan 2 (n) 4 fan 1 (l) 1(l) 2(n) 3 comp 3 comp a-unit earth terminal earth terminal earth terminal earth terminal assembly cable circuit breaker (main power supply cable) earth terminal b-unit 3-8 samsung electronics 3-2-2(e) outdoor unit installa...

  • Page 17

    Samsung electronics 3-9 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 avil- a b l e . ( g rounding wire of ®™1.6mm or larg e r w i re>or 2mm2 or larger ) 2 . Use of a grounding ele...

  • Page 18

    3-10 samsung electronics operating instructions and installation 3-2-2(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 19

    Samsung electronics 3-2-2(g) air-purging 3-11 operating instructions and installation 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/heating capacity and could lead to a malfuction. Refrigerant fo...

  • Page 20

    3-12 samsung electronics operating instructions and installation 3-2-2(h) refrigerant refill procedure 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. ...

  • Page 21

    Samsung electronics 3-13 operating instructions and installation 3-2-2(j) “pump down” procedure 1 . Confirm that both the 2-way and 3-way valves are set to the open position. (1) remove the valve stem caps. (2) be sure to use a hexagonal wrench to operate the gas side valve stems. 2 . Operate the un...

  • Page 22

    3-14 samsung electronics operating instructions and installation 3-3-3 technical document 3-3-3(a) am19a1(b1)e12 •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 •in case of 2unit, capacity & current multiplied by...

  • Page 23

    Samsung electronics 3-15 3-3-3(b) am18a1(b1)e09 / am18a1(b1)b09 / am19a1(b1)e07 • cooling characteristics - outdoor te m p e r a t u re test condition indoor unit(db/wb) : am18a1(b1)e09/am19a1(b1)e07 : 27/19, am18a1(b1)b09 : 27/19.5 vo l t a g e / f requency : am18a1(b1)e2/am19a1(b1)e2 : 240v/50hz, ...

  • Page 24

    3-16 samsung electronics m e m o.

  • Page 25

    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 26

    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 27

    Disassembly and reassembly 4-3 samsung electronics no parts procedure remark 5 6 heat exchanger fan motor and cross fan 1) do " ①②③④ ", above. 2) loosen the left screws of the heat exchanger. 1) do " ①②③④⑤ ", above. 2) loosen the fixing two screws and separate the motor holder. 3) loosen the fixing ...

  • Page 28

    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 29: 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 outdoo...

  • Page 30

    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 31

    Samsung electronics 5-3 troubleshooting 5-2-2 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 ...

  • Page 32

    Samsung electronics 5-4 troubleshooting 5-2-3 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 c...

  • Page 33

    Troubleshooting 5-5 samsung electronics 5-2-4 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 34

    Samsung electronics 5-6 troubleshooting 5-2-6 if operation by remote control unit is impossible. (initial diagnosis) 1) troubleshooting pro c e d u re 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 35

    5-7 samsung electronics 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 elec- t r i c i t y. Before touching a part for re p a i r, replacement or the similar purpose, be sure...

  • Page 36

    Troubleshooting 5-8 samsung electronics 5-3-3 detailed procedure no. 1 2 3 4 5 malfunction pull out the power plug from the ac terminal and check the fuse on the pcb assembly ture the power on. If lamp blinks trouble is not relat- ed to the items 1 through 4 on the right. Set operating mode when rmc...

  • Page 37

    5-9 samsung electronics 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 short...

  • Page 38

    Samsung electronics 6-1 6. Exploded views and parts list 6-1 indoor unit.

  • Page 39

    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 10-1 11 12 13 14 15 17 18 19 20 21 code no db64-10140a db64-70073a db63-30131a db74-10091a db74-10091b db63-10472b db92-70075e db93-10560b db93-10561b db94-10088a db95-20138a db66-30153a db75-4007...

  • Page 40

    Samsung electronics 6-3 6-2 outdoor unit 11 10-2 10-3 10-5 10-4 10-1 10

  • Page 41

    Samsung electronics 6-4 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 10 10-1 10-2 10-3 10-4 10-5 11 11-1 12 13 13-1 13-2 13-3 13-4 13-5 14 15 code no db90-10153j db72-60034a db67-50063a db31-10119b db31-10119e db61-20008c db64-60130a db72-60035a db90-40168a db90-20211a db9...

  • Page 42

    Samsung electronics 6-5 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 db93-30071f db61-10144a db61-10145a db64-20054a db63-10477a db74-10084a db73-20110b db64-40167a db64-40166b db68-10775a db68-10777a ph-m2 db67-60061a db67-60062...

  • Page 43

    Samsung electronics 6-6 6-3-2 pcb box exploded views and parts list 1 2-4 2-6 2-2 2-1 2 3 2-5 2-3 no 1 2 2-1 2-2 2-3 2-4 2-5 2-6 3 code no db61-10151a db93-10583a db93-00066a db93-00065a db09-10149a db32-10008d de26-20154a 2306-000294 3501-001058 de32-10037a db93-10560b db93-10561b description case-...

  • Page 44

    6-7 samsung electronics m e m o.

  • Page 45: 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 46: 8. Pcb Diagrams

    Samsung electronics 8-1 8. Pcb diagrams 8-1 main pcb.

  • Page 47

    Pcb diagrams 8-2 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 48

    Samsung electronics 8-3 • 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 low seal display upp seal ...

  • Page 49

    Pcb diagrams 8-4 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 dis...

  • Page 50: 9. Wiring Diagrams

    Samsung electronics 9-1 9. Wiring diagrams 9-1 indoor unit 9-2 outdoor unit english espanol francais italiano 1 blk negro noir nero 2 red rojo rouge rosso 3 wht blanco blanc bianco 4 yel amarillo jaune giallo fan motor : 2.5µf/450vac capacitor comp motor : 30µf/420vac fan motor : 2.5µf/450vac capaci...

  • Page 51: 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 52

    Samsung electronics 10-1 10. Schematic diagrams 10-1 indoor unit blk(l) sky-blue brown black pna4612møøxd 220 1/8w.

  • Page 53

    10-2 remote control samsung electronics 10-2.