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Documents

doc0

DB98_15924A(3)_co

4/6/04 3:16 PM

Page 3

ROOM AIR CONDITIONER

INDOOR UNIT

SH09AWH SH09ZWH AQ09WHWE KFR-25G/SWA SH12AWH SH12ZWH AQ12WHWE KFR-35G/SWA

OUTDOOR UNIT

SH09AWHX SH09ZWHX UQ09WHWE KFR-25W/SWA SH12AWHX SH12ZWHX UQ12WHWE KFR-35W/SWA

SERVICE

AIR CONDITIONER

Manual

CONTENTS 1. Product Specifications 2. Disassembly and Reassembly 3. Refrigerating Cycle Diagram 4. Set Up the Model Option 5. Troubleshooting 6. Exploded Views and Parts List 7. Block Diagram 8. Wiring Diagram 9. Schematic Diagram

DB98_15924A(3)_1

4/6/04 2:59 PM

Page 1

1. Product Specifications

1-1 Table

Model Item Type Cooling Heating Dehumidifying Air Volume Performance Noise Energy Efficiency Ratio Power Power Consumption Operating Current Power Power Factor Starting Current Length Power Cord Number of Core Wire Capacity Outer Dimension Weight(Net) Refrigerant Pipe Drain Hose Size Compressor Oil Type Type Blower Heat Exchanger Refrigerant Control Unit Freezer Oil Capacity Refrigerant to Change(R410A) Protection Device(OLP) Cooling Test Condition Maximum Operation Condition cc g Motor Type Rated Output W Type Motor Type Rated Output Liquid GAS Width x Height x Depth A mm inch kg mm x L(m) mm x L(m) D x L(mm) Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating kW kW |/h m3/min dB W/W V-Hz W A % A m 7.3 8./ 36 / / 36 / 34 2.81 3.22 1-220 / 240-900 4.5 4.5 96.5 95.5 21.0 250V-10A 825 x 285 x 189 32.5 x 11.2 x 7.44 8.2 6.35 x 7.5 9.52 x 7.x 550 Rotary Induction Motor(PSC) 900 DAPHNE FV68S(PVE) Cross-flow steel 15 2ROW 14STEP MRA99134-9201 INDOOR UNIT : DB27C WB19C INDOOR UNIT : DB32C WB23C Propeller steel 50 1ROW 24STEP CAPILLARY TUBE Cross-flow steel 15 2ROW 14STEP 520 1,020 MRA99908-9201 OUTDOOR UNIT : DB35C WB24C OUTDOOR UNIT : DB43C WB26C CAPILLARY TUBE 720 x 548 x 265 28.4 x 21.6 x 10.4 31.x 285 x 189 32.5 x 11.2 x 7.44 8.4 6.35 x 7.5 9.52 x 7.x 550 Rotary Induction Motor(PSC) 1,075 DAPHNE FV68S(PVE) Propeller steel 50 2ROW 24STEP SH09AWH Indoor unit 2.75 2.90 1./ / 51 8.3 9./ 39 / / 39 / 37 2.82 3.23 1-220 / 240-50 1,240 1,300 5.7 5.7 98.3 98.0 30.0 250V-10A 720 x 548 x 265 28.4 x 21.6 x 10.4 33.8 Outdoor unit Indoor unit 3.5 4.2 1./ / 53 SH12AWH Outdoor unit

Wall-mounted

Samsung Electronics

Page 2

Table(cont.)
Model Item Type Cooling Heating Dehumidifying Air Volume Performance Noise Energy Efficiency Ratio Power Power Consumption Operating Current Power Power Factor Starting Current Length Power Cord Number of Core Wire Capacity Outer Dimension Weight(Net) Refrigerant Pipe Drain Hose Size Compressor Oil Type Type Blower Heat Exchanger Refrigerant Control Unit Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) Cooling Test Condition Maximum Operation Condition cc g Motor Type Rated Output W Type Motor Type Rated Output Liquid GAS Width x Height x Depth A mm inch kg mm x L(m) mm x L(m) D x L(mm) Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating kW kW |/h m3/min dB W/W V-Hz W A % A m 7.3 8./ 36 / / 36 / 34 2.70 3.22 1-220 / 240-50 1,4.5 4.0 98.2 99.1 21.0 250V-10A 825 x 285 x 189 32.5 x 11.2 x 7.44 8.2 6.35 x 5.0 9.52 x 5.x 550 Rotary Induction Motor(PSC) 1,005 SUNISO-4GSD Cross-flow steel 15 2ROW 14STEP RAC12110-9622 INDOOR UNIT : DB27C WB19C INDOOR UNIT : DB32C WB23C Propeller steel 50 1ROW 24STEP CAPILLARY TUBE steel 15 2ROW 14STEP RAC12074-9622 OUTDOOR UNIT : DB35C WB24C OUTDOOR UNIT : DB43C WB26C CAPILLARY TUBE Cross-flow 720 x 548 x 265 28.4 x 21.6 x 10.4 31.x 285 x 189 32.5 x 11.2 x 7.44 8.4 6.35 x 5.0 12.70 x 5.x 550 Rotary Induction Motor(PSC) 1,206 SUNISO-4GSD Propeller steel 50 2ROW 24STEP Indoor unit 2.70 2.90 1./ / 51 8.3 9./ 39 / / 39 / 37 2.99 3.48 1-220 / 240-50 1,170 1,150 5.2 5.2 96.9 96.2 30.0 250V-10A 720 x 548 x 265 28.4 x 21.6 x 10.4 33.8 SH09ZWH Outdoor unit Indoor unit 3.5 4.0 1./ / 53 SH12ZWH Outdoor unit
Model Item Type Cooling Heating Dehumidifying Air Volume Performance Noise Energy Efficiency Ratio Power Power Consumption Operating Current Power Power Factor Starting Current Length Power Cord Number of Core Wire Capacity Outer Dimension Weight(Net) Refrigerant Pipe Drain Hose Size Compressor Oil Type Type Blower Heat Exchanger Refrigerant Control Unit Freezer Oil Capacity Refrigerant to Change(R22) Protection Device(OLP) Cooling Test Condition Maximum Operation Condition cc g Motor Type Rated Output W Type Motor Type Rated Output Liquid GAS Width x Height x Depth A mm inch kg mm x L(m) mm x L(m) D x L(mm) Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating kW kW |/h m3/min dB W/W V-Hz W A % A m 7.3 8.0

Page 5

2. Disassembly and Reassembly
Stop operation of the air conditioner and remove the power cord before repairing the unit.

2-1 Indoor Unit

No 1 Parts Front Grille Procedure 1) Stop the air conditioner operation and block the main power. Remark
2) Open the Front Grille by pulling right and left sides of the hook.
3) Loosen 1 of the right screw and detach the Terminal Cover. 4) Detach the thermistor from the Front Grille.
5) Loosen 2 fixing screws of Front Grille.

Page 6

Disassembly and Reassembly
Procedure 6) Unlock 2 hooks to fix Panel Front and Tray Drain.

Remark

7) Unlock 3 hooks to fix Panel Front and Back-Body.

Control-In (Main PCB)

1) Take all the connector of PCB upper side out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wire from the Terminal Block. 3) Loosen 4 fixing screws of Ass'y Control-In.

Tray Drain

1) Pull Tray Drain out from the Back Body.

Page 7

Parts Heat Exchanger 1) 2) 3) 4)
Procedure Loosen 2 fixing earth screws of right side. Detach the Connection Pipe. Detach the Holder Pipe at the rear side. Loosen the 3 fixing screws of right and left side. 5) Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit.
Fan Motor & Cross Fan
1) Loosen the fixing screw and detach the Motor Holder. 2) Detach the Fan Motor from the Fan. 3) Detach the Fan From the left Holder Bearing.

Page 8

2-2 Outdoor Unit
No 1 Parts Common Work Procedure 1) Loosen each 3 fixing screws on both right and left Cabinet-Side edge and a fixing screw on the Cabinet-Front lower to detach the Cabinet-Front. Remark
2) Loosen 2 fixing screws of the Ass'y-Control.
3) Loosen 6 fixing screws of the Cabinet-Side RH.
4) Loosen 2 fixing screws of the Cabinet-Side LF.

Page 9

Parts Fan & Motor
Procedure 1) Detach the Nut Flange.(Turn counterclockwise because the screw is right-handed) 2) Detach the Fan. 3) Loosen 4 fixing screws to detach the Motor.

Heat Exchanger

1) Loosen 2 fixing screws on both sides. 2) Disassemble the pipe in both inlet and outlet with welding torch. 3) Detach the Heat Exchanger.

Compressor

1) Loosen the Terminal Cover nut to open the Terminal Cover. 2) Disassemble the cloth sound felt. 3) Disassemble the pipe in both inlet and outlet of the Compressor with welding torch. 4) Disassemble the pipe in both inlet and outlet of the Condenser with welding torch. 5) Loosen the 3 bolts at the bottom. 6) Detach the Compressor.

Page 10

3. Refrigerating Cycle Diagram

3-1 Refrigerating Cycle Diagram

Indoor Unit

Outdoor Unit
Capillary tube T1 Liquid side 2-Way valve Check valve
Capillary tube Cross fan Heat Exchanger (Evaporator) Heat Exchanger (Evaporator) Propeller fan

T2 Gas side 3-Way valve

4-Way valve

Cooling

Heating Gas Leak Check Polnt

Page 11

3-2 Refrigerating Cycle Characteristic
3-2-1 Capacity Distributions
Capacity Distributions according to indoor and outdoor temperature variation. - Indoor Temp. Variation : 15.0C ~ 25.0C - Outdoor Temp. Variation : 1.0C ~ 20.0C

s 9,000BTU

Heating Capacity Distribution
4.00 Indoor Temp.( C) DB15.0 DB20.0 DB25.0 3.00

Heating Capacity(kW)

1.00 1.0/0.0

7.0/6.0

20.0/15.0

Outdoor Temp.(DB/WB C)

s 12,000BTU
6.00 5.00 Indoor Temp.( C) DB15.0 DB20.0 DB25.0

Heating Capacity

4.00 3.00 2.00 1.00 0.00 1.0/0.0

Page 12

Refrigerating Cycle Diagram
3-2-2 Power Consumption Distributions
Power consumption distributions according to indoor and outdoor temperature variation. - Indoor Temp. Variation : 15.0C ~ 25.0C - Outdoor Temp. Variation : 1.0C ~ 20.0C
Power consumption Distribution(Heating mode)
1,100 Indoor Temp.( C) DB25.0

Power consumption(W)

DB20.0 DB15.0

700 1.0/0.0

1,600 1,500 DB20.0 1,400 1,300 1,200 1,100 1,DB15.0 Indoor Temp.( C) DB25.0

Page 13

3-2-3 Capacity and Power Consumption Distributions
Capacity and power consumption distributions according to the length of connecting pipe between indoor unit and outdoor unit.

4.00 1,100

Power consumption(Heating)

1.00 7.5

700 7.5
Length of Connecting Pipe(m)

4.20 1,350

3.80 7.5

1,150 7.5

Page 14
4. Set Up the Model Option
4-1 Setting Option Setup Method

ex) Option No. :

Step 1 : Enter the Option Setup mode. 1st 2nd Take out the batteries of remote control. Press the temperature insert the battery again. button simultaneously and
Make sure the remocon display shown as
Step 2 : Enter the Option Setup mode and select your option according to the following procedure.

Feature

Display
Setting Option SEG1. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Setting Option SEG2. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.

3 1,4 2,5

Change it into the set display of Option SEG3 and SEG4 with the button.
Setting Option SEG3. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Setting Option SEG4. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.

4/6/04 3:00 PM

Page 15

Set Up the Model Option

Change it into the set display of Option SEG5 and SEG6 with the button.
Setting Option SEG5. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Setting Option SEG6. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.

6,9 7,10 8,11

Change it into the set display of Option SEG7 and SEG8 with the button.
Setting Option SEG7. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Setting Option SEG8. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Change it into the set display of Option SEG9 and SEG10

with the

button.
Setting Option SEG9. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.
Setting Option SEG10. Push the button to set the display panel to. Every time you push the button, the display panel reads. repeatedly.

Page 16

Step 3 : Upon completion of the selection, check you made right selections. Whenever you press the button, the set Option will be displayed.
Step 4 : Pressing the ON/OFF button ( ) When pressing the operation ON/OFF key with the direction of remote controller for unit, the sound "Ding" is heard and the OPERATION LED lamp is flickering at the same time, then the input of option is completed. (If the "ding" sound isn't heard, try again pressing the ON/OFF button.)

Step 5 : Unit operation test-run First, Remove the battery from the remote controller. Second, Re-insert the battery into the remote controller. Third, Press ON/OFF ( ) key with the direction of remote controller for set.
Error Mode 1st 2nd If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model.

Page 17

4-2 Table of the option Code
Model SEG1 SH12AWH SH12ZWH AQ12WHWE KFR-35G / SWA SEG2 SEG3 SEG4 Option Code SEG5 SEG6 SEG7 SEG8 SEG9 SEG10

SH09AWH

SH09ZWH AQ09WHWE KFR-25G / SWA F b

Page 18

5. Troubleshooting
Check the basic items first to judge if the problem was caused by breakdown or misuse. If none of the basic items are related to the problem, please scrutinize the machine according to the 'Breakdown Diagnosis by Symptoms' method.
5-1 Basic Breakdown Diagnosis Items
1. The input voltage should be rating voltage 10% range. The airconditioner may not operate properly if the voltage is out of this range. Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables. Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables. Otherwise the airconditioner may not operate properly. When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the malfunction of the airconditioner.
No 1 Operation of air conditioner The OPERATION indication LED(GREEN) blinks when a power plug of the indoor unit is plugged in for the first time. In a COOL operation mode, the compressor does not operate at a room temperature higher than the setting temperature that the INDOOR FAN should operate. In a HEAT operation mode, the compressor does not operate at a room temperature lower than the setting temperature that indoor fan should operate. Fan speed setting is not allowed in DRY( ) mode. Explanation It indicates power is on. The LED stops blinking if the operation ON/OFF button on the remote control unit is pushed. In happens after a delay of 3 minutes when the compressor is reoperated. The same phenomenon occurs when a power is on. As a phenomenon that the compressor is reoperated after a delay of 3 minutes, the indoor fan is adjusted automatically with reference to a temperature of the air blew. The speed of the indoor fan is set to LL in DRY mode. Fan speed is selected automatically in AUTO mode. ) Compressor operation is controlled automatically in DRY mode depending on the room temperature and humidity. When the unit is turned off while de-ice is activated, the compressor continues operation for up to 9 minutes (maximum) until the deice is completed. Timer is being activated and the unit is in ready mode. The unit operates normally if the timer operation is cancelled. The compressor and indoor fan stop intermittently if room temperature exceeds a setting temperature in order to protect the compressor from overheated air in a HEAT mode. The compressor operates in a reverse cycle to remove exterior ice in a HEAT mode, and indoor fan and outdoor fan do not operate intermittently for within 20% of the total heater operation The compressor stops intermittently or the fan speed of the indoor unit decreases to prevent inside/outside air frozen depending on the inside/outside air temperature.

Compressor stops operation intermittently in DRY( mode.
Compressor of the outdoor unit is operating although it is turned off in a HEAT mode.
Timer LED(GREEN) of the indoor unit lights up and the air conditioner does not operate. The compressor and indoor fan stop intermittently in HEAT mode.
Indoor fan and outdoor fan stop operation intermittently in a HEAT mode.
The compressor stops intermittently in a COOL mode or DRY mode, and fan speed of the indoor unit decreases.

Page 19

5-2 Trouble check in the initial status
5-2-1 Diagnosis and marking of the part in trouble.
Please check the air conditioner operation status and write the check result in the chart in the room.
LAMP Description OPERATION TIMER TURBO
Indoor unit room temperature sensor error (open or short) Indoor unit heat exchanger temperature sensor error (open or short) Indoor fan motor mal function EEPROM error Option error (option wasn't set up or option data error)
: Lamp off : Lamp flickering
5-2-2 Operation with abnormal motion
No 1 Abnormal condition No response from the remote control operation signal. Inspection Plug out and plug in 5 seconds later. Able to operate the remote control. Unable to operate the remote control. Initial Diagnosis OK Press the button in the indoor unit. If it operates, the remote control and indoor unit receiver are in trouble. If not, the indoor unit is in trouble.
Unable to operate the outdoor unit
Press the TURBO button with the remote control. In 3 minutes, check the voltage between the indoor unit terminal block N(1) and 1.

AC200V ~ AC240V

Problem with the outdoor unit or PCB
No power source displayed.
Problem with the relay (RY71) or PCB

Page 20

5-3 Breakdown diagnosis by symptoms
5-3-1 No Power (completely dead)-Initial diagnosis
1. Checklist : 1) Is input voltage normal? 2) Is AC power linked correctly? 3) Is input voltage of DC regulator IC KA7805 (IC02) normal? (11VDC-12.5VDC) 4) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) 2. Troubleshooting procedure
Unplug the power cord and plug it after 5 seconds
Press the Power Button on the remote control unit to operate the air conditioner

does not operate

operate
x Check the display board
x Check the indoor unit control board
Check whether two wires of power cord are connected correctly to the terminal block and control board.

Reconnect wires correctly
Check whether the fuse on the control board is normal. F701: 3.15[A]/250[V]

Replace fuse

Check the output of SMPS on the control board. Input power: AC23015%[V] IC02 Input: DC 12[V] IC02 output: DC 5[V]
Replace the control board
x Check the setting temperature

Page 21

Troubleshooting
5-3-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis)
1. Checklist : 1) Is the indoor unit fan motor properly connected with the connector (CN72)? 2) Is the AC voltage correct? 3) Is HALL IC in indoor fan motor properly connected with the connector (CN44)? 4) Is the running capacitor (CR71) properly connected with PCB board? 2. Troubleshooting procedure
After unplugging out the power cord should be reconnected within 5 seconds.
Does the OPERATION lamp blink?
Check as in the procedure "NO power parts"

Yes No

Does the Solid State Relay(SS71) work properly? Test rod location + SS71SS71Yes No

Micom is out of order.

Micom should be replaced

Normal Voltage

Is the supply voltage of the fan motor sufficient? Test rod location PCB CN72 pin #3 and #5 Condition Fan operate Normal Voltage About AC 180V

PCB is out of order.

PCB should be replaced.
Motor Fan-Capacitor is out of order
Replace Motor Fan-Capacitor
Fan motor is out of order.
Fan motor should be replaced.

Page 22

5-3-3 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 mode? 3) Is the set temperature of the remote control lower than room temperature in HEAT mode? 4) Is the POWER IN connector (CN71) linked correctly? 5) Is the outdoor unit properly connected with the TERMINAL BLOCK connector(N(1), 1, 2, 3)? 2. Troubleshooting procedure
Does the OPERATION lamp blink
Check as in the procedure "No Power parts"

Yes Yes

Room temperature sensor is out of order
Does the timer lamp blink during operation?

PCB should be checked.

Is the power relay RY71 operated by adjusting the room temperature? Test rod location + IC04 Pin No.38 GND Condition RY71 ON

DC 4.8V

Is rating voltage 10% range applied relay between Terminal block No. N(1) and No. 1
Power relay is out of order
Power relay should be replaced.
Outdoor unit is out of order.

! Yes No @

Is the room sensor normal register? 10C 17.96k 20C 12.09k 30C 8.3k

Page 23

5-3-4 When the UP/DOWN Louver Motor 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 procedure
Remove power cord and plug in again in approx. 5 seconds.

Is STD lamp blinking?

Check as in the procedure "No Power parts".
Does operation start when swing button of the remote control unit pushed?

Normal

Voltage at pin #57~#60 of micom (IC04) change? (Squarewave)

Micom (IC04) is faulty.

Voltage at pin #16 of IC06(ULN2003A) and #10~#12 of IC08(ULN2003A) change? (Squarewave)
Driver IC06/08 (ULN2003A) is faulty.
UP/DOWN louver motor is faulty.

Page 24

5-3-5 In the HEAT mode, When there is no warm air current. Check this fist;
1. Checklist : 1) Is the set temperature of Remote Control lower than room temperature in Heat mode? 2) Is the Indoor PCB properly connected with the CN71 connector? 2. Troubleshooting procedure
After training on, the heating operation should start in 5 minutes.
Is the number #38 of Micom (IC04) DC 5.0V?

Abnormal Micom

Is the number checking #11 of IC05 (ULN2003A) LOW?
Is the voltage between CN71 #1 and CN71 #5 rating voltage 10% range

Abnormal IC05

Abnormal 4-Way valve of Outdoor Unit. or connecting Cable

Abnormal RY73

4-Way valve should be replaced or connecting Cable Check.

Page 25

5-3-6 Room temperature sensor failure
Indoor unit room temperature sensor error(open or short)
Detach the assembly sensor from the ASS'Y PCB CN43 connector and measure the sensor resistance with an ohmmeter (tester).
Is the sensor resistance value 10K 3% at the room temperature of 25C?
ASS'Y Sensor Replace SENSOR Resistance Value : 20C-12.09k SENSOR Resistance Value : 30C-8.31k SENSOR Resistance Value : 35C-6.94k SENSOR Resistance Value : 40C-5.83k
Connect the sensor to CN43, supply power, and measure the voltage of #1 and #2 of the CN43 connector.

Below 0.5V?

Poor ASS'Y PCB Replace

Over 4.9V?

MICOM Error or Connector(CN43) check

Page 26

5-3-7 Room Pipe sensor failure
Indoor unit heat exchanger temperature sensor error (open or short)
1. Check the assembly condition of the sensor connector(CN43) on the indoor unit Main PCB and if not assembled, reassemble the connector accurately. 2. Detach the room pipe sensor connector(CN43) and check the resistance between connector 3 and 4.
Temperature(C) 25 Resistance Value(Kohm) 14.68 12.Temperature(C) 40 Resistance Value(Kohm) 8.31 6.94 5.83 The data tolerance is 3%. Others
If the above data is not met, replace the room pipe sensor. 3. Assemble the room pipe sensor to PCB, plug in, and check the voltage of connector 3 and 4. If the resistance is below 0.5V or over 4.9V, replace the indoor Main PCB. (short or disconnected in the PCB board)
5-3-8 When the remote control is not receiving.
1. Check if the connector was normally assembled. 2. Put the set in operation and check the voltage of No. 3(+) and No. 2(-) of the main PCB CN91 while operating the remote control. When the voltage descends below 3V, the assembly module PCB is normal and the main PCB is poor. Then replace the main PCB. 3. Replace the assembly display PCB because the module PCB is poor if the voltage between No. 2~3 of CN91 maintains 5V after the remote control starts operation.

Page 27

5-4 PCB Inspection Method
5-4-1 Pre-inspection Notices
1. Check if you pulled out the AC power plug when you eliminate the PCB or front panel. 2. Don't hold the PCB side not impose excessive force on it to eliminate the PCB. 3. Don't pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB.
5-4-2 Inspection Procedure
1. Check connector connection and peeling of PCB or bronze coating pattern when you think the PCB is broken. 2. The PCB is composed of the 3 parts. q Main PCB Part : MICOM and surrounding circuit, relay, room fan motor driving circuit and control circuit, sensor driving circuit, power circuit of DC12V and DC5V, and buzzer driving circuit. q Display part : LED lamp q Switch part : Switch
5-4-3 Detailed Inspection Procedure
No Procedure Plug out and pull the PCB out of the electronic box. Check the PCB fuse. Supply power. If the operating lamp twinkles at this time, the above 1)~3) have no relation. Inspection Method 1) Is the fuse disconnected? (F701) Cause Overcurrent Indoor Fan Motor Short AC Part Pattern Short of the MAIN PCB
Checking the power voltage. 1) Is the DB71input voltage AC200V~AC240V? Power Cord is fault, Fuse open. Wrong Power Cable Wiring, AC Part is faulty. Switching Trans or Power Circuit is faulty

Compare terminal Yellow, Blue Yellow, Red Resistance 404.4 10% 340 10% Remark Main Sub
Abnormal Outdoor Fan Motor

, 0. Open or Short

Measure the resistance between motor wires with a tester. Normal At the normal temperature (10C ~ 30C)
Compare terminal Yellow, Red Black, Yellow Resistance 360 10% 328 10% Remark Main Sub

Abnormal Stepping Motor

Measure the resistance between the red wire and each terminal wire with a tester. Normal Abnormal About 300 at the normal temperature (20C ~ 30C) , 0. Open or Short

Page 30

6. Exploded Views and Parts List

6-1 Indoor Unit

1-2 1-7

1-1 1-3 1-5

2-3 2-2

3-8 3-4 3-8-1

3-1 3-7 3-2 5-2 5-3 3-3 3-5
You can search for the updated part code number through the ITSELF.
URL : http://itself.sec.samsung.co.kr

Page 31

Exploded Views and Parts List

Parts List

Q'TY No.
1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 2

Code No.

DB94-00454B DB61-01632A DB69-00834A DB61-01634A DB31-00219A DB94-00456A DB97-02075A DB73-00181A DB94-40007A DB96-03112A DB96-03112B

Description

ASS'Y-BACK BODY BACK-BODY CUSHION-BACK BODY SUPPORTER-EVAP RH MOTOR-IN ASS'Y-CROSS FAN ASS'Y BOLT-SPECIAL RUBBER-BEARING MOLD-BEARING ASS'Y CYCLE IN ASS'Y CYCLE IN COVER BEARING SPACE-EVAP-LOW ASS'Y-EVAP TOTAL ASS'Y-EVAP TOTAL ASS'Y-TRAY DRAIN TRAY-DRAIN BLADE-H BLADE-V STABILIZER CUSHION-TRAY RH RUBBER-CAP ASS'Y-STEPPING-MOTOR ASS'Y DRAIN HOSE CLIP TERMINAL HOSE ASS'Y-CONTROL IN ASS'Y-PANEL FRONT PANEL-FRONT GRILLE-AIR INLET ASS'Y-COVER DISPLAY GUARD-AIR FILTER PLATE-HANGER HOLDER-PIPE COVER TERMINAL ASS'Y-REMOCON ASS'Y HIPS EPS HIPS

Specification SH09AWH

Remark SH12AWH

1 Refer to page 40

YDK-20S4F8C-1 OD92x635 ASS'Y RUBBER BEARING ASS'Y ASS'Y ABS PVC 1.3S, 2x14 1.5S, 2x14 ASS'Y ABS HIPS PP ABS EPS30 GUM-EPM PM24-600g, 24BYJ48 ASS'Y STS, PI1.0 ASS'Y ASS'Y PS HIPS ASS'Y PP SGCC-M T0.6x320x650 PS ABS-V0 REMOCON

2-1 2-2 2-3

DB63-00850A DB60-00118A DB96-04716A DB96-04716B

Page 36

6-2 Outdoor Unit

17-1 17-2 17-5

17-7 17-9 17-8
19-4 19-3 17-10 19-2 19-1

Page 37

3 3-1 3-17 17-1 17-2 17-3 17-4 17-5 17-6 17-7 17-8 17-9 17-19 19-1 19-2 19-3 19-21 22
DB90-01341A DB63-00847A DB90-01332A DB64-01094A DB64-00992A DB90-01331A DB63-00853A DB90-01330A DB90-01330B DB99-00401A DB94-00459C DB94-00459B DB61-01644A DB97-02225A DB97-02225B DB31-00220A DB67-00397A DB60-30004A DB63-00815A DB63-00763A DB60-30028A DB96-03061A DB96-03172A DB93-02554A DB93-02554B DB61-01642A 2501-001236 2501-001237 2301-001375 DB65-40049E DB65-10046A DB61-00250A DB93-50062C DB93-00481H DB93-00481J DB33-00050A DB35-00029A DB35-00029B DB72-00726A DB72-00726B DB95-00468A DB95-00467A DB95-00501A DB95-00534A DB63-00943A DB63-00999A DB63-00942A DB60-30018A DB96-03062A DB96-03049A DB99-00445A DB99-00413A DB71-00090A DB71-00090B
ASS'Y-CABI FRONT GUARD-FAN ASS'Y CABI SIDE LF CABI SIDE LF(COATING) HANDLE LF ASS'Y CABI SIDE RH COVER-CONTROL ASS'Y-BASE ASS'Y-BASE ASS'Y BRACKET VALVE ASS'Y-PARTITION ASS'Y-PARTITION BRACKET-MOTOR ASS'Y PLATE SUPPORT B/M ASS'Y PLATE SUPPORT B/M MOTOR-OUT PROPELLER-FAN NUT FLANGE GROMMET GROMMET NUT WASHER ASS'Y-COND ASS'Y-COND ASS'Y-CONTROL OUT ASS'Y-CONTROL OUT CASE-CONTROL OUT CAPACITOR-COMP CAPACITOR-COMP CAPACITOR-MOTOR TERMINAL-BLOCK CLIP-CAPACITOR HOLDER-WIRE LEAD WIRE ASS'Y LEAD WIRE ASS'Y LEAD WIRE SOLENOID-ASS'Y OLP OLP SPONGE-FELT COMP CLOTH SPONGE-FELT COMP CLOTH ASS'Y-COMP ASS'Y-COMP COMP COMP GASKET GASKET COVER-TERMINAL NUT FLANGE ASS'Y CHECK VALVE ASS'Y CAPILLARY ASS'Y 4WAY VALVE ASS'Y 4WAY VALVE BAR-STEEL BAR-STEEL ASS'Y ASS'Y ASS'Y ASS'Y NR NR
T0.7, SECD-P PP, 378g ASS'Y T0.6, SECC-P PP, 30g T0.6, SECC-P ABS-V0, 66g T1.0, SECC-P T1.0, SECC-P SECC-P, T1.0x95x235 ASS'Y, SGCC-M, T0.6 ASS'Y, SGCC-M, T0.6 SGCC-M T0.6x370x490 ASS'Y ASS'Y YDK-25F6M13E-1 AS+G/F 20%, 422g

SH09AWHX

SH12AWHX
2x24, FP1.5, LOUVER 1x24, FP1.5, LOUVER ASS'Y ASS'Y SGCC-M T0.6x150x250 30Fx450V 35Fx450V 1.5Fx450V
WIRE, ASS'Y MRA99908-9201 MRA99134-9201 FELT+PVC FELT+PVC

45, SANYO 55, SANYO

Page 38
Q'TY No. Code No. Description Specification SH09ZWHX UQ09WHWE
1 NR NR 2x24, FP1.5, LOUVER 1x24, FP1.5, LOUVER ASS'Y ASS'Y SGCC-M T0.6x150x250 30Fx450V 40Fx450V 1.5Fx450V WIRE, ASS'Y RAC12074-9622 RAC12110-9622 FELT+PVC FELT+PVC SEC SEC ASS'Y ASS'Y ASS'Y ASS'Y 1

SH12ZWHX UQ12WHWE

DB90-01341A DB63-00847A DB90-01332A DB64-01094A DB64-00992A DB90-01331A DB63-00853A DB90-01330E DB90-01330B DB99-00401A DB94-00459C DB94-00459B DB61-01644A DB97-02225A DB97-02225B DB31-00220A DB67-00397A DB60-30004A DB63-00815A DB63-00763A DB60-30028A DB96-03580A DB96-03581A DB93-02748A DB93-02748B DB61-01642A 2501-001236 2501-001238 2301-001375 DB65-40049E DB65-10046A DB61-00250A DB93-50062C DB93-00481H DB33-00050A DB35-00030C DB35-00020G DB72-00726E DB72-00726D DB95-00552A DB95-00551A 48D129JU1EL 44B102JX1EL DB63-20002A DB63-10165D DB60-30018A DB99-00453A DB99-00478A DB99-00475A DB99-00477A DB71-00090A DB71-00090B
ASS'Y-CABI FRONT GUARD-FAN ASS'Y CABI SIDE LF CABI SIDE LF(COATING) HANDLE LF ASS'Y CABI SIDE RH COVER-CONTROL ASS'Y-BASE ASS'Y-BASE ASS'Y BRACKET VALVE ASS'Y-PARTITION ASS'Y-PARTITION BRACKET-MOTOR ASS'Y PLATE SUPPORT B/M ASS'Y PLATE SUPPORT B/M MOTOR-OUT PROPELLER-FAN NUT FLANGE GROMMET GROMMET NUT WASHER ASS'Y-COND ASS'Y-COND ASS'Y-CONTROL OUT ASS'Y-CONTROL OUT CASE-CONTROL OUT CAPACITOR-COMP CAPACITOR-COMP CAPACITOR-MOTOR TERMINAL-BLOCK CLIP-CAPACITOR HOLDER-WIRE LEAD WIRE ASS'Y LEAD WIRE SOLENOID-ASS'Y OLP OLP SPONGE-FELT COMP CLOTH SPONGE-FELT COMP CLOTH ASS'Y-COMP ASS'Y-COMP COMP COMP GASKET COVER-TERMINAL NUT FLANGE ASS'Y CHECK VALVE ASS'Y CHECK VALVE ASS'Y 4WAY VALVE ASS'Y 4WAY VALVE BAR-STEEL BAR-STEEL

Page 39

DB90-01341A DB63-00847A DB90-01332A DB64-01094A DB64-00992A DB90-01331A DB63-00853A DB90-01330E DB90-01330B DB99-00401A DB94-00459D DB94-00459E DB61-01644A DB97-02225A DB97-02225B DB31-00220A DB67-00397A DB60-30004A DB63-00815A DB63-00763A DB60-30028A DB96-03580A DB96-03581A DB93-02748C DB93-02748D DB61-01642A 2501-001236 2501-001237 2301-001375 DB65-40049H DB65-10046A DB61-00250A DB93-50062C DB93-00481H DB33-00050A DB35-00030C DB35-00030A DB72-00726E DB72-00726D DB95-00543B DB94-00542B 48D129MXAEL 44B102MXAEL DB63-20002A DB63-10165D DB60-30018A DB99-00453A DB99-00478B DB99-00475A DB99-00491A DB71-00090A DB71-00090B
ASS'Y-CABI FRONT GUARD-FAN ASS'Y CABI SIDE LF CABI SIDE LF(COATING) HANDLE LF ASS'Y CABI SIDE RH COVER-CONTROL ASS'Y-BASE ASS'Y-BASE ASS'Y BRACKET VALVE ASS'Y-PARTITION ASS'Y-PARTITION BRACKET-MOTOR ASS'Y PLATE SUPPORT B/M ASS'Y PLATE SUPPORT B/M MOTOR-OUT PROPELLER-FAN NUT FLANGE GROMMET GROMMET NUT WASHER ASS'Y-COND ASS'Y-COND ASS'Y-CONTROL OUT ASS'Y-CONTROL OUT CASE-CONTROL OUT CAPACITOR-COMP CAPACITOR-COMP CAPACITOR-MOTOR TERMINAL-BLOCK CLIP-CAPACITOR HOLDER-WIRE LEAD WIRE ASS'Y LEAD WIRE SOLENOID-ASS'Y OLP OLP SPONGE-FELT COMP CLOTH SPONGE-FELT COMP CLOTH ASS'Y-COMP ASS'Y-COMP COMP COMP GASKET COVER-TERMINAL NUT FLANGE ASS'Y CHECK VALVE ASS'Y CHECK VALVE ASS'Y 4WAY VALVE ASS'Y 4WAY VALVE BAR-STEEL BAR-STEEL ASS'Y ASS'Y ASS'Y ASS'Y SSEC SSEC NR NR

Page 43

8-2 Outdoor Unit
MOTOR CAPACITOR COMP CAPACITOR

FM1 O.L.P

FAN MOTOR OVER LOAD PROTECTOR

Code No : DB98-15607A

Page 44

9. Schematic Diagram

9-1 Indoor Unit

ELECTRONICS

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. Apr. 2004. Printed in Korea. Code No. DB98-15924A(3-1)

 

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