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Samsung AQ07A1VE Service Manual

Other manuals for AQ07A1VE: Installation Manual, Service Manual
Manual is about: Room AC

Summary of AQ07A1VE

  • Page 1

    Service manual indoor unit aq07a1ve aq09a1ve/b aq12a1ve/b outdoor unit uq07a1ve uq09a1ve/b uq12a1ve/b 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. Explod...

  • Page 2

    © samsung electronics co., ltd. Oct. 1998. Printed in korea. Code no. Db81-10197a(1).

  • 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- ment parts. (also, we recommend re p l a c i n g parts rather than repairing them.) 3 . Use the proper tools: use the proper tools and test equipment, and know...

  • Page 4

    1-2 samsung electronics m e m o.

  • Page 5

    2-2 samsung electronics 2-2 dimensions 2-2-1 indoor unit 2-2-1 outdoor unit air in (front view) (remote control) (rear view) (front view) 720 145 55 245 600 10 765 (rear view) air out installation plate.

  • Page 6

    2-3 samsung electronics 2-3 refrigerating cycle block diagram indoor unit outdoor unit heat exchanger (evaporator) gas side 3-way valve 2-way valve liquid side capillary tube cooling gas leak check point heat exchanger (condenser) heating capillary tube check valve compressor 4-way valve t t.

  • Page 7

    2-4 samsung electronics m e m o.

  • Page 8

    Samsung electronics 3-1 3. Operating instructions and installation 3-1 operating instructions 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 remote controller, use this button to set current time...

  • Page 9

    Operating instructions and installation 3-2 samsung electronics 1. A u to mode : in this mode, operation mode(cool, heat, dry) is selected auto- matically by the room temperature of initial o p e r a t i o n . ∆ t= -1°, -2°c, 0°c+1°c+2°c ∆ t is controlled by setting temperature up/down key of remote...

  • Page 10

    Operating instructions and installation 3-3 samsung electronics 8 . 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. 9 . Swing : blade-h is rotated...

  • Page 11

    3-4 samsung electronics 3-2 installation 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 ventilation. It must not be blocked by an obstacle af...

  • Page 12

    Operating instructions and installation 3-5 samsung electronics 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 installatio...

  • Page 13

    Operating instructions and installation 3-6 samsung electronics 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 14

    Operating instructions and installation 3-7 samsung electronics 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 ...

  • Page 15

    Operating instructions and installation 3-8 samsung electronics 3-2-2(e) outdoor unit installation 1. Remove the cover-e parts. 2. Firmly connect the cable connector in the terminal block. 3. Fasten the m4 ring terminal to the hole marked 4. Firmly fix the ass'y cable with clamp wire holder. 5. Asse...

  • Page 16

    Operating instructions and installation 3-9 samsung electronics 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. Caution : burrs not removed may result in leakage of gas. 3 ) insert a flare nut in...

  • Page 17

    Operating instructions and installation 3-10 samsung electronics 3-2-2(g) air-purge procedure • use the refrigerant of the outdoor unit to purge air inside indoor unit and pipe. Not leaking 1. Remove the caps from the 2-way valve(b) and the 3-way valve(a). 3 check refrigerant leakage of each joint p...

  • Page 18

    Operating instructions and installation 3-11 samsung electronics 3-2-2(h) 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...

  • Page 19

    Operating instructions and installation 3-12 samsung electronics 3-2-2(i) refrigerant adjustment 3-2-2(j) flare unt fixing torque class at installation at service outter diameter ø 6.35 (9000btu, 12000btu) (liquid side) ø 9.52 (9000btu) (gas side) ø 12.7 (12000btu) (gas side) 160 300 500 200 350 550...

  • Page 20

    Operating instructions and installation 3-13 samsung electronics 3-2-2(k) "pump down" procedure • pump down' shall be carried out when an evaporator is replaced or when the unit is relocated in another are a . 1. Remove the caps from the 2-way valve and the 3-way valve. 3. Set the unit to cool opera...

  • Page 21

    3-14 samsung electronics m e m o.

  • Page 22

    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 tape of front panel up...

  • Page 23

    Disassembly and reassembly samsung electronics no parts procedure remark 2 3 4 ass’y tray drain. Electrical parts (main pcb) heat exchanger 1) do “1”, above. Separate the drain hose from the extension drain hose. 2) take the display pcb out. (center of indoor unit) 3) loosen three fixing screws of l...

  • Page 24

    Disassembly and reassembly 4-3 samsung electronics no parts procedure remark 3 fan motor and cross fan 1) do “1” “2” ”3” “4”, above. 2) loosen the fixing three screws and separate the motor holder. 3) loosen the fixing screw of fan motor. (by use of m3 wrench) 4) separate the fan motor from the fan....

  • Page 25

    Samsung electronics 4-4 no parts procedure remark 1 2 common work fan and motor 1) loosen the fixing screw and separate the cover e-parts. 2) separate the connection wire from the termi- nal block. 3) loosen three fixing screws and separate the upper cabinet. 4) loosen the two fixing screws of ass'y...

  • Page 26

    Disassembly and reassembly 4-5 samsung electronics no parts procedure remark 3 4 heat exchanger compressor 4) remove the nut flange (turn to the right to remove, as it is a left hand screw) 5) separate the fan. 6) loosen four fixing screws to separate the motor. 1) do “1”, above. 2) loosen three fix...

  • Page 27

    4-6 samsung electronics m e m o.

  • Page 28: 5. Troubleshooting

    1 ) is the voltage of the power corre c t ? The input voltage shall be 198-264vac. 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 unit shall be ...

  • Page 29

    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? (198-264v~) (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)...

  • Page 30

    Samsung electronics 5-3 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 connector (cn43)...

  • Page 31

    Samsung electronics 5-4 5-2-3 when the outdoor unit does not operate. (initial diagnosis) 1 ) checklist : (1) is input voltage normal?(198-264v~) (2) is the set temperature of the remote control higher than room temperature in cool m o d e ? (3) is the set temperature of the remote control lower tha...

  • Page 32

    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? (198-264v~) (2) is the up/down louver motor properly connected with the connector (cn61)? 2 ) troubleshooting pro c e d u re 5-2-5 in the mode...

  • Page 33

    Samsung electronics 5-6 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 34

    Samsung electronics 5-7 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 su...

  • Page 35

    Samsung electronics 5-8 5-3-3 detailed procedure troubleshooting no. 1 2 3 4 5 6 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 r...

  • Page 36

    Samsung electronics 5-9 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 37

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

  • Page 38

    Exploded views and parts list 6-2 samsung electronics no. Code no description specification remark q’ty a q 0 7 a 1 v e a q 0 9 a 1 v e a q 0 9 a 1 v b a q 1 2 a 1 v e a q 1 2 a 1 v b ! ! ! ! ! ! ! ! ! ! 1 1-1 2 3 4 5 6 7 7-1 7-2 8 9 10 10-1 11 12 13 14 15 16 18 19 20 21 22 db64-10140a db64-10143a d...

  • Page 39

    Samsung electronics 6-3 6-2 outdoor unit 24-1 24 25 25-2 25-1 25-3 25-4 25-5 18 18-1 19.

  • Page 40

    Exploded views and parts list 6-4 samsung electronics ■ parts list no. 1 2 3 4 5 6 7 7-1 8 8-1 8-2 8-3 8-4 8-5 8-6 9 10 11 12 13 14 15 16 17 18 18-1 19 20 21 22 23 24 25 25-1 25-2 25-3 25-4 25-5 db63-30004a db63-30004b db60-30004a db67-50063a db31-10058c db31-10140b db90-50009m db90-50009n db94-5003...

  • Page 41

    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 db93-30052c db61-10144a db61-10145a db64-20054a db63-10477a db74-10084a db73-20110b db64-40167a db64-40166b db68-10789a db68-10790a ph-m2 db67-60061a db67-60062...

  • Page 42

    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 ■ parts list no 1 2 2-1 2-2 2-3 2-4 2-5 2-6 3 code no d b 6 1 - 1 0 1 3 6 a d b 9 3 - 1 0 4 8 3 a d b 9 3 - 1 0 4 8 5 a d b 9 3 - 1 0 4 7 1 a d b 9 3 - 1 0 6 0 9 a d b 9 3 - 1 0 6 1 0 a d b 0 9 - 1 0 1 ...

  • Page 43

    6-7 samsung electronics m e m o.

  • Page 44: 7. Block Diagrams

    Samsung electronics 7-1 7. Block diagrams 7-1 micro computer block diagram heat exchanger sensor room temperature sensor infrared signal •blade-h control •indoor fan motor control • outdoor fan motor control •compressor control • 4-way valve control • temperature control • timer •buzzer control indo...

  • Page 45: 7. Block Diagrams

    Samsung electronics 7-1 7. Block diagrams 7-1 micro computer block diagram heat exchanger sensor room temperature sensor infrared signal •blade-h control •indoor fan motor control • outdoor fan motor control •compressor control • 4-way valve control • temperature control • timer •buzzer control indo...

  • Page 46: 8. Pcb Diagrams

    Samsung electronics 8-1 8. Pcb diagrams 8-1-1 main pcb-7000btu(db93-10483a).

  • Page 47

    Pcb diagrams 8-2 samsung electronics 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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903,904,905,906 r...

  • Page 48

    Samsung electronics 8-3 8-1-2 main pcb-9000btu(db93-10485a) 12000btu(db93-10471a).

  • Page 49

    Pcb diagrams 8-4 samsung electronics 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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903,904,905,906 r...

  • Page 50

    Pcb diagrams 8-5 samsung electronics 8-1-3 main pcb-9000btu(db93-10610a) 12000btu(db93-10609a).

  • Page 51

    Pcb diagrams 8-6 samsung electronics 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 52 53 54 55 56 57 58 59 60 61 62 63 f701 f701 ic01 ic01 ic01 ic02 cr71 ft71 r903,904,905,906 r203 r2...

  • Page 52

    Samsung electronics 8-7 8-2 ass’y display & module 8-2-1 • ass’y display pcb : db93-10560a no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 description pcb-display led-lamp led-lamp led-lamp led-lamp module remocon c-ceramic r-carbon connector wafer c-ceramic diode switching c/w dis & module case-center...

  • Page 53: 9. Wiring Diagrams

    Samsung electr onics 9-1 9. Wiring diagrams 9-1 indoor unit ■ aq07a1ve ■ aq09a1ve ■ aq12a1ve ■ aq09a1vb ■ aq12a1vb.

  • Page 54

    Samsung electr onics 9-2 9-2 outdoor unit capacitor uq12a1ve: 0.9/30µf x 450vac capacitor uq07a1ve: 1.5/25µf x 450vac capacitor uq09a1ve: 1.5/30µf x 450vac ■ uq12a1ve ■ uq07a1ve ■ uq09a1ve capacitor uq12a1vb : 1.5/25µf x 450vac capacitor uq09a1vb : 1.7/20µf x 450vac ■ uq12a1vb ■ uq09a1vb.

  • Page 55: 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 56

    10-1 indoor unit samsung electronics 10-1 10. Schematic diagrams 1k-1/8w 10-1-1 aq07a1ve / aq09a1ve / aq12a1ve.

  • Page 57

    10-1-2 aq09a1vb / aq12a1vb samsung electronics 10-2.

  • Page 58

    Samsung electronics 10-3 10-2 remote control.