Instruction/ maintenance manual of the product UD26B1C2 Samsung
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SERVICE Manual CONTENTS AIR CONDITIONER 1. Installation 2. Disassembly and Reassembly 3. T roubleshooting 4. Exploded Views and Parts List 5. Refrigerating Cycle Block Diagrams 6.
1 1. Installation 1-1 Refrigerant Refill Procedure INDOOR A-UNIT INDOOR B-UNIT • Piping length and the height Additional refrigerant char ge (R22,g) • When length of the pipe is over 5u by the uni.
2 1-2 “Pump down” Procedure Relocation of the air conditioner 1. Carry out the pump down procedur e (refer to the details of ‘pump down’). 2. Remove the power cord. 3. Disconnect the assembly cable from the indoor and outdoor units. 4. Remove the flare nut connecting the indoor unit and the pipe.
3 2. Disassembly and Reassembly 2-1 Indoor Unit Stop operation of the air conditioner and remove the power cable befor e repairing the unit. No Parts Procedure Remark Front Grille 1 1) Stop the air conditioner operation and block the main power . 2) Separate tape of front panel upper .
4 No Parts Procedure Remark Electrical Parts (Main PCB) Ass’y T ray Drain. Heat Exchanger Fan Motor and Cross Fan 2 3 4 5 1) Do “1”above. 2) T ake all the connector of PCB upper side out. (Inclusion Power cord) 3) Separate the outdoor unit connection wire from the terminal block.
5 2-2 Outdoor Unit No Parts Procedure Remark Cabinet Fan Motor & Propeller Fan 1) T urn 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.
6 1) The input voltage should be rating voltage ± 10% range. The airconditioner may not operate pr operly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked pr operly? The indoor unit and the outdoor unit shall be linked by 5 cables.
7 Display Standard T imer Nature Power (GREEN) X (GREEN) X X (GREEN) (GREEN) X X X X X X X X X X X X X Restore from power failure (input initial power) Indoor unit Room sensor Error (open or short) In.
8 3-2 Checking and T esting Operations (Outdoor Unit) T o complete the installation, perform the following checks and tests to ensur e that the air conditioner is operating correctly .
9 4. Check the test operation status by pressing the PCB switch 4. S/W -A and S/W -B of outdoor unit. 4. • Check the operation status by pushing the switch one at time. 4. • Perform the test operation only for the unit selected last. 4. • Check the pipe pressur e and the other operation status during the test operation.
10 DISPLA Y EXPLANA TION Outdoor sensor error (Short/Open) Outdoor A cond pipe sensor error (Short/Open) Outdoor B cond pipe sensor error (Short/Open) Outdoor C cond pipe sensor error (Short/Open) A u.
11 3-3 Fault Diagnosis by Symptom 3-3-1 No Power (completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.
12 3-3-2 When the power voltage is not available 1) Inspection items (1) Is the power voltage is normal? (The rating voltage ± 10% range) (2) Is the power cord is corr ectly connected and is the cont.
13 3-3-3 No Power (Outdoor unit) 1) Inspection items (1) Á Is the power source normal (The rating V oltage ± 10% range)? (2) Is the outdoor power connected normally? ((1) of terminal : L, (2) of ter.
14 3-3-4 When the fan of indoor unit does not operate 1) Inspection items (1) Is the power voltage normal? (2) Is the connector of indoor fan with the good contact? (CN73) (3) Is the soldering status .
15 3-3-5 When the outdoor unit fan does not operate 1) Inspection items (1) The outdoor unit fan motor operates only when the operating conditions are satisfied and is selected by the R Y74(LOW) and PY75(HI) to rotate.
16 3-3-6 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) T roubleshooting pr ocedure Remove power cord and plug in again in approx.
17 3-3-7 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) 1) T r oubleshooting procedur e 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 11.
18 3-3-8 When the 4 way valve (A,B) is not operating 1) Inspection items (1) Are the 4 way valve A and B under the operating conditions? (When the COMP A (4 way valve A ) and COMP B (4 way valve B) ar.
19 3-3-9 When the compressor does not operate 1) Inspection items (1) Is the COMP A under the operating conditions? (cooling operating of A, B(C) r oom) (2) Is the power voltage normal? (the rating vo.
20 3-4 Set up the Model option • It is necessary to set up option code after replacing the main-PCB as a service parts. Make sure that you can set up the option of code the r emote controller after you replace the main PBA otherwise, the unit won’t be working pr operly and all LED lamps on display will be flickering.
21 ! If the first number is , it is correct otherwise pr ess until appear . @ When pressing the button ~ appear on the display , select one of them. # When pressing the button ~ appear on the display , select one of them. $ When pressing the button ~ appear on the display , select one of them.
22 <T able of the option code> MODEL AD26B1C13 AD18B1C09 OPTION CODE 015773-100373 015223-10020C DB98_05645A(1)_1 5/30/02 7:05 PM Page 22.
23 MEMO DB98_05645A(1)_1 5/30/02 7:05 PM Page 23.
24 4. Exploded V iews and Parts List 4-1 Indoor Unit 17 16 14 22 9 7 21 3 4 5 6 19 20 8 12 25 13-4 23 13-3 13-2 13 13-1 11 10 2 1 15 18-1 18-5 18-4 18 18-6 18-6-1 18-2 18-3 24 DB98-05645A(1)-2 5/30/02.
25 Q’TY ■ Parts List CODE NO No. Description REMARK AD18B1C09 AD26B1C13 1 2 3 4 5 6 7 8 9 10 11 12 13 13-1 13-2 13-3 13-3-1 13-3-2 13-4 14 15 16 17 18 18-1 18-2 18-3 18-4 18-5 18-6 18-6-1 19 20 21.
26 4-2 Outdoor Unit 4-2-1 UD26B1C2 12 15 8 17 3 4 5 7 6 9(9-1~9-2) 14(14-1~14-4) 2 1 10 13(13-1~13-6) 16(16-1~16-7) 11 DB98-05645A(1)-2 5/30/02 7:06 PM Page 26.
27 Q’TY ■ Parts List CODE NO No. Description Specification REMARK UD26B1C2 1 2 3 4 5 6 7 8 9 9-1 9-2 10 11 12 13 13-1 13-2 13-3 13-4 13-5 13-6 14 14-1 14-2 14-3 14-3-1 14-4 14-4-1 15 16 16-1 16-2 .
28 4-2-2 UD18B1C2 15 16(16-1~16-7) 13(13-1~13-6) 14(14-1~14-4) 9 3 1 10 4 6 5 7 8 2 11 17 12 DB98-05645A(1)-2 5/30/02 7:06 PM Page 28.
29 Q’TY ■ Parts List CODE NO No. Description Specification REMARK UD18B1C2 1 1-1 2 3 4 5 6 7 8 9 10 11 12 13 13-1 13-2 13-3 13-4 13-5 13-6 14 14-1 14-2 14-3 14-3-1 14-4 14-4-1 15 16 16-1 16-2 16-3.
30 4-3 ASS’Y CONTROL IN (DB93-01223A) ■ Parts List No 1 2 3 4 5 6 7 8 9 10 11 Description HOLDER CONTROL ASS’Y MAIN PCB TERMINAL BLOCK ASSY ASSY DISPLA Y PCB CONNECTOR WIRE PCB U/D HOLDER CLAMP .
31 5. Refrigerating Cycle Block Diagram Refrigerating cycle temperature and pressure STD Pressure Piping T emp.(°F) T emp. Condition (°F) Operating Condition (psi) T1 T2 Indoor Outdoor 3-W A Y V/V DB WB DB WB Standard 57-71 50-54 50-54 80 67 95 75 Cooling Max over load - 61-64 61-64 80 67 115 75 Low temp.
32 6. Wiring Diagrams 6-1 Indoor Unit DB98-05645A(1)-2 5/30/02 7:06 PM Page 32.
33 6-2 Outdoor Unit DB98-05645A(1)-2 5/30/02 7:06 PM Page 33.
7. Schematic Diagrams 7-1 Indoor Unit ■ AS07A5(6)MA / AS09A5(6)MA 34 35.
37 36 7-2 Outdoor Unit ■ AS07A5(6)MA / AS09A5(6)MA.
ELECTRONICS Printed in Korea. DB98_05645A(1)-co 5/30/02 7:50 PM Page 2.
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If you have not bought Samsung UD26B1C2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Samsung UD26B1C2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Samsung UD26B1C2 you will learn all the available features of the product, as well as information on its operation. The information that you get Samsung UD26B1C2 will certainly help you make a decision on the purchase.
If you already are a holder of Samsung UD26B1C2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Samsung UD26B1C2.
However, one of the most important roles played by the user manual is to help in solving problems with Samsung UD26B1C2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Samsung UD26B1C2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
