Samsung SH09BPH, X, SH12BPH, X split air conditioner Service manual
Below you will find brief product information for SH09BPH, SH12BPH, SH09BPHX, SH12BPHX split air conditioners. The indoor unit consists of a front panel with a filter, a bio filter, a display, an ionizer, and a fan motor. The outdoor unit contains a compressor, a condenser, and a fan motor. The system uses R410A refrigerant and is equipped with a variety of safety features, including a high-temperature release function, a deice function, and a compressor protection error function. The system can be controlled via a remote control and offers various settings and operating modes, including auto mode, cool mode, heat mode, dry mode, turbo mode, and sleep mode.
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DB98_17175A_co 2/6/04 4:12 PM Page 3
ROOM AIR CONDITIONER
INDOOR UNIT
SH09BPH
SH12BPH
OUTDOOR UNIT
SH09BPHX
SH12BPHX
SERVICE Manual
AIR CONDITIONER CONTENTS
1. Product Specifications
2. Operating Instructions
3. Disassembly and Reassembly
4. Refrigerating Cycle Diagram
5. Set Up the Model Option
6. Troubleshooting
7. Exploded Views and Parts List
8. PCB Diagram
9. Wiring Diagram
DB98_17175A_1 2/6/04 4:13 PM Page 1
1. Product Specifications
1-1 Table
Model
Item
Power Source
Cooling
Capacity
Energy Efficiency Ratio
Air Flow
Moisture Removal
Noise Level Indoor
Noise Level Outdoor
ø-V-Hz
W
BTU/h
BTU/wh m 3
\
/min
/h
Performance dBA
Capacity
Heating
Energy Efficiency Ratio
Air Flow
Noise Level Indoor
Noise Level Outdoor
Electrical
Rating
Dimension
Weigth
Available Voltage Range
Running Amperes
Cooling Power Input
Power Factor
Running Amperes
Heating
Starting Current
Fuse Capacity
Power Cord
Power Input
Power Factor
Compressor
Cable-Connector
Type
Model Name
Safety Devices
Model Name
Fan
Motor
Indoor
Running Capacitor
Model Name
Outdoor
Refrigerant Tube
Running Capacitor
EEV
Refrigerant to Charge (R410A)
Indoor unit : W x H x D
Outdoor unit : W x H x D
Indoor unit
Outdoor unit
W
BTU/h
BTU/wh m 3 /min dBA mm 3 x G
-
-
-
-
µF x VAC
-
µF x VAC
W
%
A
A x V
A x V
W
%
V
A
A g mm mm kg kg
Remark : Text condition
Cooling test
Heating test
Indoor room
DB27˚C / WB19˚C
DB20˚C / WB15˚C
SH09BPH
SH09BPHX
1-220/240-50
2,800(1,500~3,400)
9,500(5,100~11,600)
11.8(10.0~13.8)
5.5
1.5
34
53
3,200(1,500~4,500)
10,900(5,100~15,300)
13.6(10.2~14.6)
7.5
39
53
187~264
3.6(2.0~4.9)
800(370~1,150)
96.6(84.5~97.6)
4.0(1.8~6.5)
880(350~1,500)
95.6(81.8~98.6)
10
↓
3.15 x 250 / 20 x 250
15 x 250
1.5 x 4
Single Rotary
G4C090LU1ER
204CT
YDK-204F8C-1
1.2µF / 450V
AMASS-020WTVB
1.7µF / 450V
UKV-18D11
1000
890 x 285 x 180
720 x 548 x 265
9
33.8
Outdoor room
DB35˚C / WB24˚C
DB 7˚C / WB 6˚C
SH12BPH
SH12BPHX
1-220/240-50
3,500(1,500~4,000)
11,900(5,100~13,600)
10.9(10.2~13.8)
6.5
1.6
39
53
4,000(1,500~5,000)
13,600(5,100~17,000)
11.6(10.0~14.6)
8.3
42
53
187~264
4.8(2.0~5.9)
1,090(370~1,330)
98.0(82.3~98.7)
5.5(1.8~7.2)
1,170(350~1,700)
97.8(81.8~98.4)
10
↓
3.15 x 250 / 20 x 250
15 x 250
1.5 x 4
Single Rotary
G4C090LU1ER
204CT
YDK-204F8C-1
1.2µF / 450V
SIC-52FV-D828-1
-
UKV-18D11
1000
890 x 285 x 180
720 x 548 x 265
9
33.8
Samsung Electronics 1
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1-2 Pressure Graph
■
SH09BPH
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
20 25 30 35
Outdoor Temp. ( ß C)
40 45
■
SH12BPH
2
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
20 25 30 35
Outdoor Temp. ( ß C)
40 45
Samsung Electronics
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2. Operating Instructions
2-1 The Feature of Key in remote control
No NAMED OF KEY
1
(On/Off)
FUNCTION OF KEY
On/Off button.
Press the button to stop or run the air conditioner.
(UP)
Temperature adjustment button(UP).
To increase the temperature by the pressing the temperature button.
2
(DOWN)
Temperature adjustment button(DOWN).
To decrease the temperature by the pressing the temperature button.
Mode selection button.
Each time you press this button
Mode is changed in the following order
3
: Auto Mode
: Cool Mode
: Dry Mode
: Fan Only
: Heat Mode
4
Fan speed adjustment button.
Each time you press this button, FAN SPEED is changed in the following order.
Low Medium High
Automatic(rotated : )
5
6
7
Swing button.
It adjusts the airflow to upward and downward.
Turbo button.
The air conditioner cools or heats the room as quickly as possible.
After 30 minutes, the air conditioner is reset automatically to the previous mode.
Sleep button.
The sleep timer can be used when you are cooling or heating your room to switch the air conditioner off automatically after a period of 6 hours.
Anion button.
Press the button to generate ion from the air conditioner.
8
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Operating Instructions
No NAMED OF KEY
9
10
FUNCTION OF KEY
On Timer button.
The On Timer enables you to switch on the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours.
To set the operating time, press the button one or more times until the required time display.
Off Timer button.
The Off Timer enables you to switch off the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours.
To set the operating time, press the button one or more times until the required time display.
11
Timer Set/Cancel button.
After setting On Timer or Off Timer, press the button to set it completely.
And press the button again to cancel On Timer or Off Timer set.
12
Digital On/Off button.
If you want to turn off the display during operation press the button.
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Operating Instructions
2-1-1 Name & Function of Key in remote control
1. AUTO MODE : In this mode, operation mode(COOL,
HEAT) is selected automatically by the room temperature of initial operation.
Room Temp
Tr
≥
21°C+
∆
T
21°C +
∆
T>Tr
Operation Type
Cool Operation (Set Temp:24˚C+
∆
T)
Heat Operation (Set Temp:22˚C+
∆
T)
∆
T= -1°C, -2°C, 0°C, +1°C, +2°C
∆
T is controlled by setting temperature up/down key of remote control
2. COOL MODE : The unit operates according to the difference between the setting and room temperature.
(18°C~30°C)
3. HEAT MODE : The unit operates according to the difference between the setting and room temperature.(16°C~30°C)
*Prevention against cold wind : In order to prevent the cool air from flowing out at the heat mode, the indoor fan does not operate or operates very slowly in the following cases. At this time, the indoor heat exchanger will be preheating.
- For 3~5 minutes after the initial operation
- For deicing operation
- The operation of an indoor fan in accordance with the temperature of an indoor heat exchanger
The temperature of indoor heat exchanger below 28˚C
28˚C~below 34˚C
34˚C~below 40˚C above 40˚C
Indoor fan speed off
LL Speed
L Speed
Setting Speed
*High temperature release function : It is a function to detect an outdoor overload by the sensor of an indoor heat exchanger and to turn the outdoor fan or the compressor ON/OFF for safety.
*Deice : Deicing operation is controlled by indoor unit's heat exchanger temperature and accumulating time of compressor's operation.
Deice ends by sensing of the processing time by deice condition.
4. DRY MODE : Has 3 states, each determined by room temperature.
The unit operates in DRY mode.
*Compressor ON/OFF Time is controlled compulsorily
(can not set up the fan speed, always breeze).
*Protective function : Low temperature release.
(Prevention against freeze)
5. TURBO MODE : This mode is available in AUTO, COOL,
HEAT, DRY, FAN MODE.
When this button is pressed at first, the air conditioner is operated "powerful" state for 30 minutes regardless of the set temperature, room temperature.
When this button is pressed again, or when the operating time is 30 minutes, turbo operation mode is canceled and returned to the previous mode.
*But, if you press the TURBO button in DRY or FAN mode that is changed with AUTO mode automatically.
6.
SLEEP MODE : Sleep mode is available only in COOL or
HEAT mode.
The operation will stop after 6 hours.
*In COOL mode : The setting temperature is automatically raised by 1°C each 1hour When the temperature has been raised by total of 2°C, that temperature is maintained.
*In HEAT mode : The setting temperature is automatically dropped by 1°C each 1hour.
When the temperature has been dropped by total of
2°C, that temperature is maintained.
7. FAN SPEED : Manual (3 step), Auto (4 step)
Fan speed automatically varies depending on both the difference between setting and the room temperature.
8.
COMPULSORY OPERATION :
For operating the air conditioner without the remote control.
*The air conditioner starts up in the most suitable mode for the room temperature:
Room Temperature
Less than 21˚C
21˚C or above
Operating Mode
Heat
Cool
Temperature Setting
22˚C approx.
24˚C approx.
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Operating Instructions
9.
SWING : BLADE-H is rotated vertically by the stepping motor.
*Swing Set : Press the button under the remote control is displayed on LCD the and the blades move up and down. If the one more time press the button, blades location is stop.
10. SETTING THE ON/OFF TIMER. :
*ON TIMER : The On Timer enables you to switch on the air conditioner automatically after a given period of time.
You can set the period of time from 30 minutes to 24 hours.
*OFF TIMER : The Off Timer enables you to switch off the air conditioner automatically after a given period of time. You can set the period of time from 30 minutes to
24 hours.
11. GENERATING ANION :
The air conditioner can generate anion with an ionizer in the indoor unit.
12. SELF DIAGNOSIS
Error Mode
Indoor unit room temperature sensor error (open or short)
Indoor unit heat exchanger temperature sensor error(open or short)
Indoor FAN MOTOR error :
Keep the RPM value 100 below for
15 seconds
DISPLAY 7-SEGMENT
Operation Off Operation On
Remark
OFF E1
OFF
OFF
E5
E3_01
OFF 06 EEPROM error
Error in option
In case of No option set-up
In case of option data error
Communication error
OFF
EA_01
09
EA_01
13. BUZZER SOUND : Whenever the On/Off button is pressed or whenever change occurs to the condition which is set up or select, the compulsory operation mode, buzzer is sounded "beep".
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2-2 Replace PCB Model option
2-2-1 Replace PCB model option
Remove power cord
Replace the PCB module
Check the connection and plug in
Does all display lamp blink?
Yes
Refer to set up the Model option(15~17page)
No
Replace another PCB
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3. Disassembly and Reassembly
Stop operation of the air conditioner and remove the power cord before repairing the unit.
3-1 Indoor Unit
No
1
Parts
Front Panel
Procedure
1) Stop the air conditioner operation and block the main power.
2) Detach tape of Front Panel upper.
Remark
3) Slide the lower Front Grille down, then disassemble it by pulling it forwards.
4) Open the upper Front Grille by pulling right and left sides of the Grille.
5) Take the left and right Filter out.
6) Loosen one of the right screw and detach the Terminal Cover.
7) Detach the thermistor from the Front Grille.
8) Loosen 5 fixing screws of Front Grille.
9) Pull the lower left and right of discharge softly for the outside cover to be pulled out.
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No Parts Procedure
10) At first, press the left and center hook of the back side of the Panel Grille with the thumb to remove the hook. And press the right of the upper side of the Panel Grille with the fingers. And then disassemble the
Panel Grille.
Disassembly and Reassembly
Remark
2 Electrical Parts
(Main PCB)
1) Take all the connector of PCB upper side out.(Including Power Cord)
2) Detach the outdoor unit connection wire from the Terminal Block.
3) If pulling the main PCB up, it will be taken out.
3 Tray Drain 1) Pull Tray Drain out from the Back Body.
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Disassembly and Reassembly
No
4
Parts
Heat Exchanger
Procedure
1) Loosen 2 fixing earth screws of right side.
2) Detach the Connection Pipe.
3) Detach the Holder Pipe at the rear side.
4) Loosen 3 fixing screws of right and left side.
5) Detach the Heat Exchanger from the indoor unit.
Remark
10
5 Fan Motor
&
Cross Fan
1) Loosen 2 fixing screws and separate the
Motor Holder.
2) Loosen 1 fixing screw of Fan Motor.
(with a M3 wrench)
3) Detach the Fan Motor from the Fan.
4) Detach the Fan from the left Holder
Bearing.
Samsung Electronics
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3-2 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.
2) Loosen 1 fixing screws of the
Cover-Valve.
Remark
3) Loosen 6 fixing screws of the Cabinet-Side
RH.
4) Loosen 2 fixing screws of the Cabinet-Side
LF.
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Disassembly and Reassembly
No
2
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.
3 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.
Remark
12
4 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.
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4. Refrigerating Cycle Diagram
Indoor Unit
Heat
Exchanger
(Evaporator)
T
1
Outdoor Unit
Liquid side
2-Way valve
Capillary tube
EEV
Heat
Exchanger
(Evaporator)
T
2
Gas side
3-Way valve
Compressor
4-Way valve
Cooling
Heating
Gas leak check point
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5. Set Up the Model Option
5-1 Setting Option Setup Method
ex) Option No. :
Step 1 : Enter the Option Setup mode.
1 st
2 nd
3 rd
Take out the batteries of remote control.
Press the temperature insert the battery again.
button simultaneously and
Make sure the remocon display shown as .
14
Step 2 : Enter the Option Setup mode and select your option according to the following procedure.
1
The default value is .
Otherwise, push the button to .
Every time you push the button, the display panel reads or repeatedly.
2
3 2
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
3
4
1
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
5 6
4
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
5
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
6
✳ Setting is not required if you must a value which has a default.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
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Set Up the Model Option
10
7
11 12
9 8
✳ Setting is not required if you must a value which has a default.
7
Press button, then the default value is .
8
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
9
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
10
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
11
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
12
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . .
repeatedly.
Step 3 : Upon completion of the selection, check you made right selections.
Press the Mode Selection key, to set the display part to and check the display part.
The display part shows .
Press the Mode Selection key, to set the display part to and check the display part.
The display part shows .
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'' or ''Diriring'' is heard and the OPERATION ICON( ) lamp of the display is flickering at the same time, then the input of option is completed. (If the diriring 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
1 st If all lamps of indoor unit are flickering, Plug out, plug in battery again and press ON/OFF key to retry.
2 nd 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.
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Set up the Model Option
■
OPTION ITEMS
MODEL
REMOCON
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
SH09BPH 0 0 9 0 A 0 1 0 0 2 2 E
SH12BPH 0 0 7 0 9 0 1 1 0 3 6 2
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6. Troubleshooting
Since the inverter air conditioner is equipped with Electrical control circuits at both Indoor & outdoor unit, the trouble shooting shall be performed according to the error mode.
Inside the controller of the outdoor unit (inverter), the large capacity of electrolytic condenser so that it takes the time to discharge after the power off since the electrical charge remains(the charging voltage DC 340V).
Take care of the electrical shock by contact on the charging part before the discharge after the power off. (It takes approximately
2 minutes to discharge).
6-1 Basic items for trouble shooting
1. Is the power source proper?
The power source shall be in the range of the rated voltage ±10%. If it is out of this range, it may cause the abnormal operation.
2.
Is the connection made between the indoor and outdoor unit?
The connection between indoor and outdoor unit shall be performed with 4 wire. (connection cable of indoor and outdoor unit + ground wire).
3. The phenomena as follows are not out of order.
No
1
Phenomena
The operation is not done.
2 The wind comes out but the heating/cooling is not performed.
3 The remote controller does not operate.
4 The wind volume is not adjusted.
5 The temperature is not set.
6 The operation lamp continues to be flickering.
7 The immediate operation starts without control of remote controller when plugged
Cause and reason
• Is the power off or the power unplugged?
• Does it stop because it is the completion time?
• Unplug and plug again the power source for 2 minutes.
• Is the filter clogged with dust or dirty?
• Is there any direct light on the outdoor unit or any obstacle against it?
• Is the selected temperature too high?
Lower the selected temperature lower than the current one (during cooling).
• Is the selected temperature too low?
Raise the desired temperature than the current one? (during heating)
• Is the "Fan only Mode" operation?
• Is the battery run out?
• Is the battery inserted in the wrong way(+, -)?
• Is the detection part of the indoor unit blocked?
• Does it interfered with the radio of neon sign?
• Is the operation selected among one of Auto / Dry / Turbo / Sleeping?
• The temperature setting is not required since the wind volume set automatically.
• Check again at the state of Cooling / Fan only / Heating.
• Is the operation selected among the Dry / Turbo / Sleeping / Fan only Mode.
Since the temperature is automatically set, the temperature setting is not required.
• Check again at the cooling / heating state.
• The standard temperature ±2˚C during the automatic operation.
• Push the Operation / Stop button.
• Unplug and plug the power source.
• It is the case that the auto restart function works.
✳ Auto restart function is the convenient function where the operation state is memorized in the Memory IC during the blackout and the operation restarts when the power comes back.
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6-2 The first determination method of troubled part
6-2-1 Error mode display of indoor unit
TEMPERATURE / ERROR CODE
ERROR CODE
DISPLAY
Discription
Indoor Unit
Indoor unit room temperature sensor error (open / short)
Indoor unit heat exchanger out temperature sensor error(open / short)
Indoor unit heat exchanger in temperature sensor error(open / short)
EEPROM error
Option code setting error
Indoor fan motor malfunction
Communication error or miss-wiring error
Communication error between the indoor unit and outdoor unit
Compressor protection error
Abnormal increase of operation current
Abnormal increase of OLP temperature
Abnormal increase of discharge temperature
Over current of IPM circuit
Abnormal increase of heatsink temperature
BLCD compressor starting error
Outdoor unit sensor error (open / short) deice temp-sensor outdoor temp-sensor discharge temp-sensor
OLP temp-sensor
Outdoor control PCB error
Communication error between 2 micom on the outdoor PCB current sensor error heatsink temp-sensor error
Voltage sensor error
✳ Error display : / / and 2-digit-number are displayed alternately
18
INDOOR
Check point
OUTDOOR
Temp-Sensor
Temp-Sensor
Temp-Sensor
PCB
Option Code
Fan and cable
PCB, Cable between
Indoor and outdoor unit
Comp. Fan
Fan
Comp. PCB,Comp wire
Temp-Sensor
Temp-Sensor
Temp-Sensor
Temp-Sensor
PCB
PCB
PCB
PCB, Outlet voltage
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Troubleshooting
6-2-2 Error mode display of outdoor unit board
RED
GRN
YEL
ULN2003
LAMP of Display Monitor
YELLOW GREEN RED
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Description
: Lamp on : Lamp flickering X : Lamp off
Power Off / VDD NG
Comp. Peak Current (O.C.)
Communication NG
Comp. Starting error
Heatsink sensor error
Normal Operation
DC-Iink overvoltage error
4-Way valve error
Heatsink Temp. trip
Outdoor Sensor error(Open/Short)
Discharge sensor temp. trip
Discharge sensor error(Open/Short)
OLP sensor error(Open/Short)
CT sensor error
Unit Over Current protection
Deice sensor error(Open/Short)
OLP sensor temp. trip
OPTION error (EEPROM)
Compressor rotation error
DC fan error (SH12BWHX only)
DC-Link voltage sensor error
PFC OC error
NO GAS error
AC Line zero-crossing error
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6-3 Sequence of trouble shooting for inverter aircon
OPERATION START
• The indoor unit does not work even though the power is plugged.
• There is no sound "DING"
• The lamp is not on the display.
The indoor unit does not work when operated by the remocon.
Check the indoor unit control board. (A)
The 2 digit part of indoor LED display shows Error Code and the unit stops several minutes after the indoor uint starts.
Checking the Remocon.(B)
Check the control board and display board of indoor unit.(C)
Check the error code on the LED display(A), (D)-(O)
In case of Error Code : Er/E1(D), Er/E5(D), Er/05(D), Er/06(A), E3/01(E)
In case of Error Code : Er/09
In case of Error Code : E3/01
→
(F)
In case of Error Code : E3/E6(H), Er/17(K),
In case of Error Code : Er/31(H), Er/32(G), Er/33(G), Er/36(K),
In case of Error Code : Er/37(I), Er/38(K)
In case of Error Code : Er/11(J), Er/12(M), Er/13(M), Er/14(L),
In case of Error Code : Er/15(N), Er/18(O)
Check the indoor unit
See section 5. Setup the model option
Check the communication line
Check the outdoor unit
Check the outdoor unit and outdoor unit installation
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Troubleshooting
6-3-1 (A) Check of indoor unit control board
√
Unplug the power cord and plug it after 5 seconds.
√ Press the on/off switch located indoor unit inside to operate the air conditioner.
◆ • If the air conditioner operates, check the remocon and indoor unit display board.
◆ • If the air conditioner does not operates, check according to the sequence of the followings:
√ Check sequence of indoor unit control board
◆ Step 1 : Check whether two wires of power cord (Sky-blue, brown) are connected correctly to the terminal block and
Relay on the control board.
◆ Step 1 : • Sky -blue : connected to "N1" of Terminal block
◆ Step 1 : • Brown : connected to RY71 Tab terminal (control board outer side)
◆ Step 2 : Check whether the wire connected to the terminal block is connected to th control board.
(Control board)
CN71
RY71
CN71
SKY-BLU
BRN
BLK
(Terminal block)
(N1)
1
2
◆ Step 3 : Check whether the fuse (F701)(F702) on the control board is normal. (3.15[A]/250[V]:F701) (1[A]/250[V]:F702)
◆ Step 1 : • If the fuse is broken, replace it with new one.
◆ Step 4 : Check the output voltage of SMPS on the control board.
◆ Step 1 : • Input power AC178 ~ AC 264V— • CN22 1-3pin : DC12V
◆ Step 1 : - Input power AC178 ~ AC 264V— • CN22 2-3pin : DC5V
◆ Step 1 : - ✳ CN22 : As socket not mounted measure at the solder points
◆ Step 5 : Check whether the control board gets wet with dew
◆ Step 1 : • Dry the control board.
◆ Step 6 : Check whether tiny metal objects make a short fircuit on the PCB, especially between pins of the surface mount IC.
◆ Step 1 : • remove the objects. Do not use splay solvent or some components may get damage by solvent.
6-3-2 (B)(C) Display board and remocon check of indoor unit
√ Check whether the connection wire of Display board is correctly connected to CN53 connector.
√
Check the voltage of remocon battery. - the voltage of one battery shall be higher than about 1.4V, and then the remocon operates normally.
√
Check whether the neon sign is on and the 3 wave long fluorescent lamp is on around the indoor unit. - After putting all lamps of the indoor out and then operate it by remocon. If it operates with the remocon, it is the abnormality due to the interference from the light of lamps. (Aircon unit is normal).
6-3-3 (D) Check the indoor temperature sensor and indoor heat exchanger temperature sensor.
Take out the thermistor connected to the connector (CN41,CN42) of control board of indoor unit and measure the resistance between two wires and if it is same as follows: it is normal but if not, replace it.
Ambient temperature
(°C)
Resistance of thermistor [K
Ω
]
15°C
14.68
20°C
12.09
25°C
10
30°C
8.31
35°C
6.94
40°C
5.83
Samsung Electronics 21
DB98_17175A_1 2/6/04 4:14 PM Page 23
Troubleshooting
6-3-4 (E) Check of indoor unit fan motor
■
1. √ Check whether the wires are connected surely between control board(CN72) and running capacitor(Tab).
■
1.
√
Check whether the wire of fan motor is connected to the control board (CN73,CN74) of indoor unit.
■ 1. √ Check whether the error mode displays after the strong rotation for approximately 15 seconds since air conditioner turned on.
■ 1. √ • In case the error code displays after the fan motor is rotating for 15 seconds.
→
Defect of HALL IC of fan motor and/or control board.
■
1.
√
• In case that error code displays without fan motor rotating after 15 seconds.
→
Operate with making short circuit of AC side pins of SSR(SS71) of indoor unit control board. And then if the fan motor does not operate, it is the fan motor defect.
If it rotates, it is the defect of control board(SS71,IC05,IC04).
6-3-5 (F) Check of communication line between the indoor unit and outdoor unit
■
Communication error mode
■
1. Check of connection
■ 1.
√ Check whether the cable wire connecting the indoor unit with outdoor unit is correctly connected to the (N1), 1, 2 terminal. (If the wire is connected reversely, the communication error occurs)
■
1.
√ If the cable connecting the indoor unit and outdoor unit is longer than 20m, error mode may occur (shorten the cable length).
■
Check of indoor unit
■ √ Check whether the connection wire of the terminal block and control board of indoor unit is correct.
(Control board)
CN71
RY71
CN71
SKY-BLU
BRN
BLK
(Terminal block)
(N1)
1
2
■
Check of outdoor unit
■ √ Check whether the connection wire of the terminal block and control board of outdoor unit is correct.
(Control board)
TB-N
TB-L
CN04
SKY-BLU
BRN
BLK
(Terminal block)
(N1)
1
2
■ 2. Check of power supply to the outdoor unit
■ 2.
After operation of aircon, select the turbo mode and approximately 3minutes later, check whether the red color lamp of control board (to be seen if the top cover of outdoor unit) is on.
■
2.
→
If the red lamp (LED 3) is not on, check the power part of control board of outdoor unit.
■ 2.
• Check the connection of reactor.
■ 2. •
→
If the red lamp (LED 3) is on and green lamp is flickering, it is normal.
6-3-6 (G) Check of discharge temperature sensor and comp top OLP temperature sensor.
√ Connector of outdoor unit control board
(PIN#3,4 of CN51 - discharge temperature sensor), (PIN#1,2 of CN52-OLP Temperature sensor)
Measure the resistance between two wires and if it is same as follows, it is normal but if not, replace.
Ambient temperature
(°C)
Resistance of thermistor [K
Ω
]
0°C
553
10°C
362
20°C
242
30°C
166
40°C
165
50°C
82
22 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 24
Troubleshooting
6-3-7 (H) Check the defrost temperature sensor and outdoor temperature sensor.
√
Connector of outdoor unit control board
(PIN#1,2 of CN51 - outdoor temperature sensor),(PIN#3,4 of CN52-deice Temperature sensor)
Measure the resistance between two wires and if it is same as follows, it is normal but if not, replace it.
Ambient temperature
(°C)
Resistance of thermistor [K
Ω
]
15°C
14.68
20°C
12.09
25°C
10
30°C
8.31
35°C
6.94
40°C
5.83
6-3-8 (I) Check the heatsink temperature sensor of IPM
√ This sensor is inside of the IPM module and PIN#24,25 of IPM module are the sensor terminal.
Usually PIN solder crack or short circuit with small metal object cause sensor error.
Check the object to make short circuit and solder condition of these pins.
Ambient temperature
(°C)
Resistance of thermistor [K
Ω
]
15°C
77.4
20°C
61.4
25°C
49.1
30°C
39.5
35°C
31.9
40°C
26
6-3-9 (J) Check of operation current abnormal increase mode
√
The operation abnormal current mode is the protection control for the safe operation by detecting the operation current of inverter aircon by the current sensor on the control board.
√ If the operation current abnormal increase occurs,
√ • The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50 °C)
√
•
→
Reinstall the outdoor unit so that the good ventilation can be made.
√ • If the Refrigerant is overcharged.
√ •
→
Check the amount of Refrigerant.
√ • If the comp is locked.
√
•
→
Replace the comp.
√ • If the comp is operating without the revolution of fan motor.
√ •
→
Check the fan motor connector, replace the fan motor.
√ • If the protection cover is operating with bending to the outdoor.
√
•
→
Take out the protection cover.
√ • If two outdoor units are operating face to face. (the bad ventilation is made)
√ •
→
Reinstall the outdoor unit for the good ventilation.
√ • The air circulation is bad due to the attachment of falling leaves
√
•
→
Take away the leaves for the good ventilation.
√ Check and clean the dirt of current sensor block of outdoor control board.
√ especially • IC83 pin solder • C437 47uF • R459 33K • R461 4.7K
6-3-10 (K) Check of Current sensor, Voltage sensor and Communication between 2 micom on the board.
√ These errors are from component trouble on the outdoor control board.
√ →
Replace the outdoor control board
Samsung Electronics 23
DB98_17175A_1 2/6/04 4:14 PM Page 25
Troubleshooting
6-3-11 (L) Check of instantaneous over-current protection of IPM circuit.
√ Inverter instantaneous over-current protection mode is the mode to be actuated in order to prevent the damage of elements from the peak current of IPM circuit elements.
√ In case that the inverter circuit instantaneous over-current protection mode actuates.
■
condition of installation
■
• The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50 (°C) )
■ •
→
Reinstall the outdoor unit so that the good ventilation can be made.
■
• In case that the operation is made with the cover bent of the outdoor unit.
■ •
→
Take out the cover.
■
• If two outdoor units are operating face to face, (the bad ventilation is made)
■ •
→
Reinstall the outdoor unit for the good ventilation.
■
• The air circulation is bad due to the attachment of falling leaves.
■ •
→
Take away the leaves for the good ventilation.
■
• If the Refrigerant is overcharged.
■ •
→
Check the amount of Refrigerant.
■
Unit defect
■
• If the comp is locked.
■ •
→
Replace the comp.
■
• If the comp is operating without the revolution of fan motor.
■ •
→
Check the fan motor connector and replace the fan motor.
■
• In case the parts of the control board is damaged.
■ •
→
Replace the outdoor control board.
6-3-12 (M) Check of the comp discharge gas temperature and OLP temperature abnormal rise.
√ If the comp discharge gas temperature and OLP temperature rises higher than a certain level, it protects the circuit.
√ If the comp discharge gas temperature and OLP temperature rises abnormally,
■
Condition of installation
■
• The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50 (°C) )
■ •
→
Reinstall the outdoor unit so that the good ventilation can be made.
■
• In case that the operation is made with the cover bent of the outdoor unit.
■ •
→
Take out the cover.
■
• If two outdoor units are operating face to face, (the bad ventilation is made)
■ •
→
Reinstall the outdoor unit for the good ventilation.
■
• The air circulation is bad due to the attachment of falling leaves
■ •
→
Take away the leaves for the good ventilation.
■
• If the refrigerant is insufficient.
■ •
→
Fill up the amount of refrigerant.
■
Unit defect
■
• If the comp is locked.
■ •
→
Replace the comp.
■
• If the comp is operating without the revolution of fan motor
■ •
→
Take out the protection cover.
■
•
→
Check the fan motor connector and replace the fan motor.
24 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 26
Troubleshooting
6-3-13 (N) Check of the heatsink temperature abnormal rise
√ If the air flow around the heatsink on the control box is not good, heatsink temperature will go up and the control box will have damage. So controller check the heatsink temperature and protect at the cirtain limit.
Possible troubles are fan motor trouble, fan motor drive circuit trouble and air flow blocking.
■
Condition of installation
■
• The ventilation is not good because the outdoor unit is installed wrong (the ambient temperature is higher than 50(˚C)).
■ •
→
Reinstall the outdoor unit so that the ventilation can be made.
■
• In case that the operation is made with the cover bent of the outdoor unit.
■ •
→
Take out the cover.
■
• If two outdoor unit are operatong face to face,(the bad ventilation is made)
■ •
→
Reinstall the outdoorunit for the good ventilation.
■
• The air circulation is bad due to the attachement of falling leaves.
■ •
→
Take away the leaves for the good ventilation.
■
• If the refrigerant is insufficient.
■ •
→
Fill up the amount of refrigerant.
■
Unit defect
■
• If the fan is locked with some object.
■ •
→
Remove the object.
■
• If the comp is operationg without the revolution of fan motor.
■ •
→
Take out the protection cover
■
•
→
Check the fan motor connector(CN54), running capacitor, relay(RY503) and replace the fan motor.
6-3-14 (O) Check BLDC compressor starting error
√ If the compressor have some trouble inside like locking or gas pressure of suction and discharge pipe is not balanced,
Inverter system will give up compressor rotation control to protect itself from overcurrent.
√ In case of compressor rotation starting trouble without overcurrent condition, controller detect the compressor rotation error and stop.
√ • Compressor wire connection is not good.
√ •
→
Check Compressor TAB terminal connection of the wire and connector to control box.
√ • Gas pressure balance is not good at stop condition.
√ •
→
Check service valve open.
√ •
→
Check EEV motor attachement and connector.
√ • Compressor is locked or have some mechanical damage.
√ •
→
Replace the compressor.
Samsung Electronics 25
DB98_19047A(1)_1 4/21/04 2:27 PM Page 27
6-3-15 (P) Check no gas error
Charge standard amount of refrigerant.
6-3-16 (Q) Check of 4-Way valve
Check whether the wires of 4-Way valve and control board of outdoor units correct.
If it is normal, replace 4-Way valve.
6-3-17 (R) Check of outdoor unit fan motor (SH12BPHX only)
Check whether the wire of fan motor is connected to the control board (CN01) of outdoor unit.
Check the voltage on the control board of outdoor unit and if it is same as follows, replace fan motor.
Input power AC178V~AC264V.
→
CN01 1-3pin : DC250V±10% ~ DC370V±10%
→
CN01 4-3pin : DC15V
Troubleshooting
26 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 27
6-4 Fault Diagnosis of Major Parts
Part
• Indoor "Temp.Sensor"
• Indoor "Heat ex. Sensor"
• Outdoor "Temp.Sensor"
• Outdoor "Deice Temp. Sensor"
• Outdoor "Discharge
Temp.Sensor"
• Outdoor "OLP Temp.Sensor"
Indoor Fan Motor
Diagnosis
Measure resistance with a tester.
Normal
Ambient temperature
Resistance of thermistor[K
Ω
]
Abnormal
Normal
∞
, O
Ω
… open or short
Ambient temperature
Resistance of thermistor[K
Ω
]
15°C
14.68
20°C
12.09
25°C
10
0°C
553
10°C
362
20°C
242
30°C
8.31
30°C
166
Abnormal
∞
, O
Ω
… open or short
Measure the voltage between terminals (CN72) with a tester
Normal At ambient temperature (10°C ~ 30°C) between
Red, Blue
Red, Yellow
Voltage[V]
410±10%
325±10%
Main
Sub
35°C
6.94
40°C
5.83
40°C
165
50°C
82
Outdoor Fan Motor
Stepping Motor
(UP/DOWN swing motor)
Stepping Motor
(FRONT GRILLE motor)
Abnormal
Measure the voltage between ground and signal wire of the fan motor
Normal between
Gray, Orange
Yellow, Orange
Voltage
0.5V~4.5V
5V
Abnormal
Normal
Abnormal if voltage does not change from 0V to 5V.
At ambient temperature (10°C ~ 30°C) between
Black, Red
Black, Yellow
Resistance[
Ω
]
275±10%
350±10%
Main
Sub
Abnormal
∞
, O
Ω
… open or short
Measure resistance between red wire and each terminal.
Normal Approx. at ambient temperature (20°C ~30°C)
Abnormal
∞
, O
Ω
… open or short
Measure resistance between red wire and each terminal.
Normal Approx. at ambient temperature (20°C ~30°C)
Abnormal
∞
, O
Ω
… open or short
Samsung Electronics 27
DB98_17175A_1 2/6/04 4:14 PM Page 28
7. Exploded Views and Parts List
7-1 Indoor Unit
3
13
7
7-1
7-5
7-6
8 7-3
7-2
9
7-4
10
11
15
16-4
16-2
16
16-3
16-1
16-5
6
1
1-2
12
14
28
1-3
1-1-2
1-1-3
1-1-4
1-1-5
4
1-4
1-1-6
1-1-7
5
1-1-1
1-1
2
You can search for the updated part code number through the ITSELF.
URL : http://itself.sec.samsung.co.kr
Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 29
Exploded Views and Parts List
■ Parts List
No.
Code No.
Description Specification
Q'TY
SH09BPH SH12BPH
1 DB92-00488C ASS'Y PANEL FRONT-TOTAL ASS'Y 1 1
1-1 DB92-00392F ASS'Y PANEL FRONT-SUB P ASS'Y 1 1
1-1-1 DB92-00346A ASS'Y PANEL FRONT ASS'Y 1 1
1-1-2 DB31-00166A MOTOR STEP - 1 1
1-1-3 DB39-00794A CONNECTOR WIRE-STEP MOTOR - 1 1
1-1-4 DB61-01114A HOLDER-MOTOR DC HIPS 1 1
1-1-5 DB61-01115A HINGE-GRILLE HIPS 1 1
1-1-6
1-1-7
DB61-01116A
DB66-00364A
GUIDE-LINK
LINK-MOTOR
HIPS
ABS
1
1
1-2 DB64-00494B GRILLE-UP ABS 1 1
1
1
1-3 DB63-00585C FILTER-PRE LF PP 1 1
1-4 DB63-00586C FILTER-PRE RH PP 1 1
2 DB92-00491B ASS'Y GRILLE-LOW SUB ASS'Y 1 1
3 DB96-04189A ASS'Y EVAP-TOTAL ASS'Y 1 1
4 DB95-00367B ASS'Y-FILTER BIO ASS'Y 1 1
5 DB63-00581A COVER TERMINAL HIPS 1 1
6 DB93-02531N ASS'Y REMOCON ASS'Y 1 1
7 DB94-00304H ASS'Y BACK BODY-SUB ASS'Y 1 1
7-1 DB61-01335A BACK-BODY HIPS 1 1
7-2 DB63-00580A COVER-IONIZER HIPS 1 1
7-3 DB91-00264A ASS'Y ELECTRIC-IONS ASS'Y 1 1
7-4 DB39-01451C ASS'Y CONNECTOR WIRE-ION ASS'Y 1 1
7-5 DB73-00128A RUBBER-BEARING 1 1
7-6 DB94-40007A ASS'Y BEARING-MOTOR 1 1
8 DB94-00020E ASS'Y-CROSS FAN ASS'Y 1 1
9 6009-001001 BOLT SPECIAL - 1 1
10 DB31-00152B MOTOR FAN 1 1
11 DB61-01099A HOLDER-MOTOR PP 1 1
12 DB67-60030A SPRING-SENSOR STS301 2 2
13 DB70-00276A PLATE-HANGER SGCC-M 1 1
14 DB93-02583B ASS'Y CONTROL IN ASS'Y 1 1
15 DB90-00992A ASS'Y HOLDER-PIPE ASS'Y 1 1
16 DB94-00305H ASS'Y TRAY DRAIN ASS'Y 1 1
16-1
16-2
16-3
DB94-00062E
DB61-01103A
DB61-01104A
ASS'Y DRAIN-HOSE
BLADE-H
BLADE-V
ASS'Y
HIPS
PP
1
1
2
16-4 DB63-00587A TRAY DRAIN HIPS 1 1
16-5 DB95-20138A ASS'Y MOTOR-STEPPING ASS'Y 1 1
1
1
2
Remark
Samsung Electronics 29
DB98_19047A(1)_2 4/21/04 2:27 PM Page 32
7-2 Outdoor Unit
22
3 0
3-1
3-2
3
17
16
13
12
10
11
6
26
9
7
8
25
20
21
18
23
24
5
19
1
2
4
14
15
Samsung Electronics
DB98_19047A(1)_2 4/21/04 2:27 PM Page 33
Exploded Views and Parts List
12
13
14
15
16
17
22
23
24
25
26
18
19
20
21
5
6
3-2
4
3
3-1
1
2
9
10
7
8
11
Parts List
No.
Code No.
Description
DB97-02225A
DB31-00220A
DB31-00238A
DB67-00397A
DB60-30004A
DB63-00763A
DB60-30028A
DB96-03602A
DB93-02740 C
DB93-02740 D
DB63-01043A
G4C090LU1ER
DB90-01581A
DB63-00847A
DB90-01332A
DB64-01094A
DB64-00992A
DB90-01546A
DB63-00843A
DB90-01330F
DB99-00401B
DB94-00584 B
DB61-01644A
DB99-00481 B
DB 97-02490B
DB71-00090E
DB32-00083C
DB32-00121A
DB33-00021A
3301-001738
ASS'Y-CABI FRONT
GUARD FAN
ASS'Y-CABI SIDE LF
CABINET-SIDE LF COATING
HANDLE-LF
ASS'Y-CABI SIDE RH
COVER-VALVE
ASS'Y BASE-OUTDOOR
ASS'Y VALVE-BRACKET
ASS'Y PARTITION
BRACKET MOTOR
ASS'Y SUPPORT-PLATE B/M
MOTOR FAN
MOTOR FAN
FAN-PROPELLER
NUT-FLANGE
GROMMET ISOLATOR
NUT-WASHER
ASS'Y COND
ASS'Y CONTROL OUT
ASS'Y CONTROL OUT
FELT COMP SIDE
COMPRESSOR
ASS'Y VALVE 4WAY
ASS'Y VALVE EEV
BAR-STEEL
ASS'Y THERMISTOR OUT
ASS'Y THERMISTOR OLP/SUC
SOLENOID-REACTOR
CORE-FERRITE
NR
ASS'Y
SH12B PHX
SH09B PHX
FELT
G4C090LU1ER
ASS'Y
ASS'Y
ASS'Y
ASS'Y
ASS'Y
12A, 21mH
ASS'Y
Specification
ASS'Y
PP
ASS'Y
SC-90073T
PP
ASS'Y
PP
ASS'Y
ASS'Y
ASS'Y
SGCC-M
YDK-020S62213-03
SIC-52FV-D828-1
SH09BPHX
Q'TY
SH12BPHX
1
1
1
1
1
0
1
1
1
1
-
1
3
3
1
1
1
-
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
1
1
1
3
3
1
1
-
1
1
1
1
1
1
1
1
1
1
1
1
1
Samsung Electronics 3 1
DB98_17175A_1 2/6/04 4:14 PM Page 32
7-3 Ass'y Control In (Indoor Unit)
■ SH09BPH / SH12BPH : DB93-02583A
32 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 33
■ Parts List
No.
Code No.
13
14
15
16
9
10
11
12
7
8
5
6
3
4
1
2
21
22
23
24
17
18
19
20
DB61-01631A
DB93-02584B
DB93-01368G
DB93-01369A
DB65-00149A
DB70-00289A
DB61-00171A
6001-000929
6001-000725
DB93-01380B
DB39-00793A
DB62-01368X
-
DB39-00780B
DB39-00820A
DB61-01110A
DB64-00763A
2301-001339
DB72-00126N
DB32-00084B
DB32-00054B
DB39-00183A
DB93-01549C
6001-001054
Description
CASE-CONTROL
ASS'Y MAIN PCB
ASS'Y S/W & DISPLAY PCB
ASS'Y-MODULE PCB
ASS'Y TERMINAL BLOCK
PLATE TERMINAL LOW
HOLDER WIRE CLAMP
SCREW-MACHINE
SCREW-MACHINE
C/W MODULE
C/W STEP MOTOR UP/DOWN
SEAL
SCREW-MACHINE
C/W STEPPING MOTOR
C/W ION-PCB
HOLDER-DISPLAY
HALF MIRROR
FAN CAPACITOR
SEAL
THERMISTOR
THERMISTOR
C/W FAN_CAP
POWER CORD
SCREW-MACHINE
Exploded Views and Parts List
Specification
ABS
ASS'Y
ASS'Y
ASS'Y
ASS'Y
SGCC-M,T1.2
HIPS
PH M3xL22
TH M4xL16
ASS'Y
ASS'Y
61x40x3,30FOAM-PE,GRAY
PH M4x10
ASS'Y(AUTO GRILLE)
ASS'Y
ABS
95,T1.5
1.2 µF/450V
T3, FOAM-PE,GRAY
OUT,ø6,220
IN,ø5,200
UL1015 AWG #22
15A
TH M4xL10
Q'TY
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Remark
SNA
SNA
SNA
SNA
Samsung Electronics 33
DB98_19047A(1)_2 4/21/04 2:27 PM Page 36
7-4 Ass'y Control Out
■ SH09BPHX : DB93-02740D
■
SH12BPHX : DB93-02740C
34 Samsung Electronics
DB98_19047A(1)_2 4/21/04 2:27 PM Page 37
Exploded Views and Parts List
■ Parts List
No.
Code No.
Description Specification
Q'TY
SH09BPHX SH12BPHX
20
21
22
23
16
17
18
19
24
25
12
13
14
15
10
11
8
9
6
7
4
5
1
2
DB93-01627A
DB62-02749A
CASE CONTROL BASE
HEAT SINK MAIN -
ABS 5V 1
1
3 DB93-02741C ASS'Y PCB OUT ASS'Y - 1
DB93-02741D ASS'Y PCB OUT ASS'Y 1 -
1
1
6006-001051
6006-000160
6002-000630
DB61-01628A
SCREW-MACHINE
SCREW-MACHINE
SCREW-TAPPING
CASE CONTROL COVER
M4xL16 WSP PH+
M3xL16 WSP PH+
PH,+,2S,M3,L8
RESIN-ABS
5
2
1
1
1
1
5
2
DB39-00608E
DB39-00607B
DB39-01003A
-
-
DB93-02775A
DB39-00649C
-
-
-
CONNECTOR WIRE COMP
CONNECTOR WIRE REACTOR
CONNECTOR WIRE FAN
ASS'Y L/W POWER
CONNECTOR WIRE 4 WAY V/V
INSULATOR-MICA
-
-
-
UL1015 AWG#16
UL1015 AWG#16
UL1007 AWG#20
UL1015 AWG#16
UL1015 AWG#18
1
1
1
-
-
1
1
1
1
1
-
1
-
-
1
1
DB65-00086A
DB61-00250A
DB70-00465A
6003-000325
6005-000643
6002-000171
-
DB93-00936A
-
DB62-02541L
ASS'Y TERMINAL BLOCK 3P
HOLDER WIRE
PLATE-CASE CONTROL
SCREW-TAPPING
SCREW-TAPPING
SCREW-TAPPING
FOAMLEX
RUN CAPACITOR
SCREW-TAPPING
SEAL CASE CONTROL BASE
3P
PP
SGCC-MTO.6
PH,+,2,M3,L20
TH,+,1,M4,L10
PH,+,2S,M4,L10
60x180xT2.0
1.7µF/450V
M3x14 WSP PH+
70x15xT10
1
1
2
1
1
1
1
1
1
1
1
-
2
1
-
1
1
1
1
1
Samsung Electronics 35
DB98_17175A_1 2/6/04 4:14 PM Page 36
8. PCB Diagram
8-1 ASS'Y PCB Indoor Unit : DB93-02584A
■ TOP
36 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 37
■ BOTTOM
PCB Diagram
Samsung Electronics 37
DB98_17175A_1 2/6/04 4:14 PM Page 38
PCB Diagram
■ Parts List
Location No.
D101
D701,D702,D703
BD71
ZD11
ZD71
ZD12
CD11
Q201,Q401,Q602
Q603
Q301,Q302,Q601
IC05,IC06,IC07
PC02
PC01,PC31,PC32
IC08
IC51
IC03
IC01
VA71,VA72,VA73
R703,R704
R701,R702
R601,R602
R504,R505,R506
R302,R604,R605
R201,R207,R208,R301
R401,R403,R607,R903
R603,R901
R206,R902
R510,R511
R606
R706
R202,R203,R304,R205
R707
R102,R103,R104
R106,R407
R101
R105
R402,R501,R502,R503
R303
C104
C103,C107,C110,C112,C201
C202,C500,C501,C502,C503
C901
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
C-CERAMIC,DISC
C-CER,CHIP
Description
DIODE-RECTIFIER
DIODE-RECTIFIER
DIODE-BRIDGE
DIODE-ZENER
DIODE-ZENER
DIODE-ZENER
DIODE-TVS
TR-SMALL SIGNAL
TR-SMALL SIGNAL
TR-DIGTAL
TR-ARRAY
PHOTO-COUPLER
PHOTO-COUPLER
IC-SOURCE DRIVER
IC-EEPROM
IC-VOLTAGE COMP.
IC-PWM CONTROLLER
VARISTOR
R-METAL OXIDE(S)
R-METAL OXIDE(S)
R-CHIP
R-CHIP
R-CHIP
R-CHIP
38
Specification
UG2D,200V,2A,DO-204AC,TP
MRA4005,600V,1A,SMA,TP
DF06S,600V,1A,SMD-4,TP
BZX84C3V6,3.6,350mW,SOT-23,TP
1N4749A,24V,5%,1W,DO-41,TP
BZX84-C11,10.4-11.6V,350MW,SOT-23,TP
ST02D-200,185/200/215V,200W,DO-214
2SC2412K,NPN,200mW,SOT-23,TP,1
MMST2907A,PNP,200mW,SOT-23,TP,100-
DTC114EKA,NPN,200mW,10K/A0K,SOT-23,TP
2003,NPN,7,1W,SOP-16,ST,1000
TR,50-150%,200mW,DIP-4,ST
TR-100-300,200mW,SOP,TP
TD62783AFW,SOL,18P,-,8,-500MA,TP
93LC56,128x16Bit,SOP,8P,150MIL,-,2.5V,-
7533,TO-92,3P,-,SINGLE,-,-,PLASTIC
255,DIP,8P,300MIL,PLASTIC,-0.3/7
INP14D561K
4.7Kohm,5%,2W,AA,TP,4x12mm
47Kohm,5%,3W,AA,TP,6x16mm
10Kohm,1%,1/10W,TP,1068
330ohm,5%,1/10W,TP,1068
470ohm,5%,1/10W,TP,1068
1Kohm,5%,1/10W,TP,1068
4.7Kohm,5%,1/10W,TP,1068
10Kohm,5%,1/10W,TP,1068
47Kohm,5%,1/10W,TP,1068
560ohm,5%,1/10W,TP,1068
100Kohm,5%,1/8W,TP,2012
100Kohm,5%,1/4W,TP,3216
1Kohm,5%,1/8W,TP,2012
220Kohm,5%,1/4W,TP,3216
220ohm,5%,1/8W,TP,2012
4.7Kohm,5%,1/8W,TP,2012
470ohm,5%,1/8W,TP,2012
6.8Kohm,1%,1/10W,TP,1068
8.2Kohm,1%,1/10W,TP,1068
2.2NF,20%,400V,Y5U,BK,12.5x6mm,10
100nF,+80-20%,50V,Y5V,TP,2012
Q'TY
2
3
2
2
1
8
1
3
1
1
1
3
1
3
3
1
1
1
1
3
3
1
1
1
Remark
1
3
2
1
4
2
1
2
2
4
1
1
1
1
11
Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 39
PCB Diagram
■ Parts List (cont.)
Location No.
Description Specification Q'TY
C301,C510,C706,C903
C203,C204,C302,C303
C401,C705
C702
C703,C704
XC71,XC72
C111
C106
C701
C601
C101,C102
L101
X301
BZ61
C-CER,CHIP
C-CER,CHIP
C-FILM,LEAD-PEF
C-FILM,LEAD-PEF
C-FILM,MPPF
C-AL
C-AL
C-AL
C-AL
C-AL
INDUCTOR-RADIAL
RESONATOR-CERAMIC
BUZZER-PIEZO
1nF,10%,50V,X7R,TP,2012,-
10nF,+80-20%,50V,Y5V,TP,2012
10nF,10%,630V,TP,16x11x7.5mm,5
4.7nF,10%,100V,TP,10x8.5x5.0mm
100nF,10%,275V,BK,18x6x12,15
470uF,20%,16V,GP,TP,8x11.5,5
1000uF,20%,25V,GP,TP,13x20,5
470uF,20%,50V,GP,TP,13x20,5
47uF,20%,50V,GP,TP,6.3x11,5
6.8uF,20%,450V,GP,TP,10x16mm,5
5000uH,10%,8.0x11.0mm
10MHz,0.5%,TP,10.0x5.0x10.0mm
70dB,3V,-,2KHz,BK
RY71
SS71
F701
F702
CN72
CN73
CN74
CN62
RELAY-POWER
SSR
FUSE-CARTRIDGE
FUSE-RADIAL LEAD
CONNECTOR-HEADER
CONNECTOR-HEADER
CONNECTOR-HEADER
CONNECTOR-HEADER
12VDC,0,9W,20000MA,SPST,20MS,10MS
12Vdc,-,2A,1mS,1mS
250V,3.15A,FAST-ACTING,CERAMIC,5.2x20mm
250V,1A,TIME-LAG,-,8.5x8mm
1WALL,2P,1R,7.92mm,STRAIGHT,SN,WH
1WALL,3P,1R,7.92mm,STRAIGHT,SN,WH
BOX,3P,1R,2.5mm,STRAIGHT,SN,BLU
BOX,5P,1R,2.5mm,STRAIGHT,SN
CN71 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,BLU 1
CN42 CONNECTOR-HEADER BOX,2P,1R,2mm,STRAIGHT,SN,WHT 1
CN51 CONNECTOR-HEADER BOX,14P,1R,2mm,STRAIGHT,SN 1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
2
4
6
CN53 CONNECTOR-HEADER BOX,3P,1R,2mm,STRAIGHT,SN 1
CN61 CONNECTOR-HEADER PH-5A,BOX,5P,2mm,WHT 1
CN41 CONNECTOR-HEADER BOX,4P,1R,2mm,STRAIGHT,SN,WHT 1
CN81 CONNECTOR-HEADER PH-3A,BOX,3P,1R,2mm,BLU 1
IC02
IC04
ST11
DSA
JE
PCB
FT72
C001
IC MICOM
TRANS SWITCHING
POSISTOR
LEAD-WIRE
KA78L05AZTA(0.1A,Positive,Vol,Reg)
MB89538APF-101,MB89538APF-101,64P,+5V,10M
DC12V,-,-,-,-,-,-,12V,0.01A,-,E119
DSA-332MA,2pF MAX,100Mohm,ASM-3
UL1015 AWG#20 GRN/YEL
LS403110
SC102M Y-CAP 7.5mm
1
1
1
1
1
1
1
1
Remark
Samsung Electronics 39
DB98_19047A(1)_2 4/21/04 2:27 PM Page 43
8-2 Ass'y PCB Outdoor Unit : DB93-02741D(9K) / DB93-02741C(12K)
■ TOP
40 Samsung Electronics
DB98_19047A(1)_2 4/21/04 2:27 PM Page 44
PCB Diagram
■ Parts List
Location No.
D201
D401,D402,D403
DSA
FT01
FT00
FUSE
IC01
IC11
IC17
IC18
IC19
IC21,IC32
IC701
IC73
D102
BD01
C011,C010
C003,C004
C01
C101,C102,C103
C104,C105,C304
C123
C201,C437,C117,C508
C301
C303,C308
C402,C404,C406,C407
C409,C410,C411
C416,C905
C418
C464,C466,C108,C109,C110
C509
C520,C516,C506,C507,C513,C514,C202
C518,C551,C413,C414,C415,C412
C521,C305,C306,C302,C307
C653
C702
C902
CN01
CN04
CN52,CN51
CN53
CN701
D101
C-CER,CHIP
C-CERAMIC
C-AL
C-AL
CONNECTOR-HEADER
CONNECTOR-HEADER
CONNECTOR-HEADER
CONNECTOR-HEADER
CONNECTOR-HEADER
DUAL-DIODE
DIODE-RECTIFIER
DIODE-RECTIFIER
SURGE-ABSORBER
SS2915044B
SS2915025B
FUSE
IC-MICOM
IC-PWM CONTROLLER
IC-POSI.FIXED REG
IC-POSI.FIXED REG
IC-POSI.FIXED REG
PHOTO-COUPLER
IC-EEPROM
IC-POSI.ADJUST REG
Description
DIODE
DIODE-BRIDGE
C-CERAMIC
C-CERAMIC
C-CERAMIC
C-AL
C-CERAMIC
C-AL
C-AL
C-FILM
C-CER,CHIP
C-CER,CHIP
C-AL
C-AL
C-FILM
C-AL
C-CER,CHIP
C-CER,CHIP
Samsung Electronics
10nF,50V,1608
10nF,25V
100uF,16V
10uF,50V
YAW396-07V,WHT
YAW396-03AV,BLU
SMAW250-04,WHT
SMAW250-06,WHT
SMW200-04,NTR
FEP30JP
US1G,400V
1N4937,600V,1A
DSA332M
SS2915044B
SS2915025B
65TS-150-H,250V,20A
ML66Q517
TOP222P,8P/DIP
KA7805A,TO-220
KA7815
KA7812A,TO-220
TLP181-GRH,150-300%
93LC56,128x16Bit
TL431,8P/SMD
1N4937,600V/1A
GSIB2560
103,2KV
0.33uF,275V
684,275V
560uF,400V
222,2KV
10uF,450V
47uF,35V
10nF,100V
1nF,50V,1608
470pF,1608
47uF,50V
220uF,50V
100nF,630V
220uF,25V
47nF,50V,2012
100nF,25V,1608
Specification Q'TY
3
1
4
1
3
2
2
1
1
4
3
1
2
2
1
5
1
13
1
1
1
3
1
1
1
1
2
1
1
5
1
1
1
1
1
1
1
1
1
2
1
1
41
DB98_19047A(1)_2 4/21/04 2:27 PM Page 45
■ Parts List (cont.)
Location No.
IPM
LED1
LED2
LED3
PT02
PTC1
Q202,Q302,Q301,Q905,Q907,Q902
Q803
Q901,Q903,Q904,Q906
R001
R101
R102
R115
R201
R202
R204,R515
R301,R307
R303,R304
R305,R404,R403,R402,R401,R406,R415
R306
R418
R425,R423,R421
R459
R460
R507,R508
R510,R511,R509
R512
R513,R514,R529,R528,R527,R526,R530
R531,R525,R524,R522,R521,R533,R534
R535
R536
R537,R538
R801
R812,R506,R517,R505,R553
RY01
RY502,RY501
VA07,VA08,VA09,VA03,VA04
XTAL01
ZD21
ZD23,ZD22
ZD31
Description
IPM
LED
LED
LED
PULSE TRANS
PTC
TR-DIGITAL
IGBT-SGL
TR-DIGITAL
R-CEMENT
R-METAL OXIDE(S)
R-CHIP
R-CHIP
R-METAL OXIDE
R-METAL OXIDE
R-CHIP
R-METAL OXIDE(S)
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CEMENT
R-CHIP
RELAY-POWER
RELAY-MINIATURE
VARISTOR
RESONATOR-CERAMIC
DIODE-ZENER
DIODE-ZENER
DIODE-ZENER
Specification
FSAM15SM60A,*
3mm/2.54,RED
3mm/2.54,GRN
3mm/2.54,YEL
PT_30AM,*
PTC,27R
KRC102S,*
IRG4BC30F,*
KRA102S,SOT-23
200-J,5W
47K-J,3W
6.8-F,1/10W,2012
14.3K-F,1/4W,3216
47K-J,2W
100K-J,2W
20K-J,1/8W,1608
4.7K-J,2W
470-J,1/10W,1608
4.7K-J,1/12W,1608
560-J,1/12W,1608
0.02R-J,7W
100-J,1/8W,1608
47K-J,1/8W,2012
20K-J,1/8W,2012
1K-F,1/12W,1608
100K-J,1/12W,1608
5.6K-J,1/12W,1608
10K-F,1/12W,1608
1M-J,1/10W,1608
10K-J,1/10W,1608
0.045-J,3W
330-J,1/12W,1608
UKH-12S,12Vdc/20A
FTR-F3AA012E,12Vdc/5A
INR14D561K-RS,560V,2500A
6.25MHz,*
1N4749A,24V/1W
MMBZ5232B,*
1N4751A,30V/1W
42 Samsung Electronics
PCB Diagram
Q'TY
2
3
1
1
1
15
7
1
1
3
2
2
1
1
1
1
1
1
2
6
1
4
1
1
1
1
1
1
1
2
5
1
1
1
5
1
2
1
2
DB98_19047A(1)_2 4/21/04 2:27 PM Page 46
PCB Diagram
■ BOTTOM
Samsung Electronics 43
DB98_19047A(1)_2 4/21/04 2:27 PM Page 47
PCB Diagram
■ Parts List
Location No.
C111,C801
C203,C421
C401,C403,C405,C517
C106,C118,C121,C122,C124,C408
C417,C423,C519,C802,C803
C451
C452
C453,C454,C462
C806
C900
C204,C455,C501,C502,C503,C804
C805,C807,C903,C904,C906,C907
D103,D104,D106
D202,D451
D301
IC02
IC15
IC31
IC451
IC55,IC56
IC74
IC83
Q201,Q802
Q801,Q804
R002,R003
R105
R110,R111,R451
R112,R113,R114
R203,R405,R461,R804
R407,R408,R409
R104,R106,R413
R414,R523,R532,R808,R810
R416
R419,R420,R422,R424
R426,R427,R428
R429
R430
R452
44
Description
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CERAMIC
C-CERAMIC
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
DIODE-RECTIFIER
DUAL-DIODE
DIODE
S80142
PHOTO-COUPLER
PHOTO-COUPLER
IC-OP AMP
TR-ARRAY
IC-LOGIC
LM324
TR-DIGITAL
TR-SMALL SIGNAL
R-CHIP
R-CHIP
R-CHIP
R-CHIP
1uF,2012
1nF,50V,2012
1.2nF,2012
100nF,50V,2012
Specification
33pF,25V
4.7nF,25V
2.2nF,2012
470pF,50V,2012
1uF,3225
10nF,50V,2012
ES1D,200V/1A
DCB010,*
ES1D,200V
S80142ANMC-JC3T2,*
TLP181,*
TLP181-GRH,150-300%
LA6393M,*
ULN2003AFW,1W
74HCT00D,SOP-14
LM324,*
KRC102S,*
BC847B,*
470K-F,1/2W,5025
6.8K-F,1/8W,2012
180K-F,6432/1W
470K-F,1/4W
4.7K-J,1/8W,2012
33-J,1/10W,2012
3.3K-J,1/8W,2012
10K-F,1/10W,2012
390-J,1/10W,2012
100-J,1/8W,2012
300K-F,1W,6432
1.6K-F,1/8W,2012
51-F,1/8W,2012
150K-F,1W,6432
2
1
3
3
1
1
1
2
2
2
1
1
1
1
3
2
3
5
1
4
3
1
1
4
3
1
1
1
3
1
1
12
Q'TY
4
11
2
2
Samsung Electronics
DB98_19047A(1)_2 4/21/04 2:27 PM Page 48
PCB Diagram
■ Parts List (cont.)
Location No.
R453
R501,R504
R539,R540,R541
R502,R552
R554
R802
R803
R805
R302,R807
R103,R811,R813
R814
R806,R809,R901,R902,
R903,R904,R905,R908
R906
R907
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
Description
R-CHIP
R-CHIP
2.7K-F,1/8W,2012
5.1K-F,1/8W,2012
2.2K-J,1/8W,2012
24K-F,1/8W,2012
470-J,1/8W,2012
220-J,1/8W,2012
2.2K-F,6432/1W
3.3K-F,1/8W,2012
1K-J,1/8W,2012
330-J,1/8W,2012
5.1K-J,1/8W,2012
10K-J,1/8W,2012
Specification
6.8K-J,1/8W,2012
560-J,1/8W,2012
Q'TY
3
2
1
2
1
1
1
3
1
1
2
8
1
1
Samsung Electronics 45
DB98_17175A_1 2/6/04 4:14 PM Page 47
8-3 ASS'Y DISPLAY PCB(9K / 12K) : DB93-01368G
3
4
1
2
5
6
■ Parts List
No Description
ASS'Y LED MODULE
PCB-DISPLAY
TACT SWITCH
RESISTOR
RESISTOR
CONNECTOR WIRE
FR-1 T1.6
KPT-1105A TSTA-2
200ohm, 2W
100ohm, 2W
14P
Specification Q'TY
1
2
1
1
3
1
Remark
SNA
SNA
SNA
SNA
SNA
SNA
46 Samsung Electronics
DB98_17175A_1 2/6/04 4:14 PM Page 48
8-4 ASS'Y MODULE PCB(9K / 12K) : DB93-01369A
3
4
1
2
5
6
■ Parts List
No Description
PCB-DISPLAY
CONNECTOR
C-CERAMIC
DIODE SWITCHING
C-CERAMIC
MODULE REMOCON
Specification
FR-1 T1.6
SMAW200-03P(WHT)
CA OA 50V 102K
1N4148
CA OA 50V 104Z
FRP4021-H7(7mm)
Q'TY
1
1
1
1
1
1
Remark
SNA
SNA
SNA
SNA
SNA
SNA
Samsung Electronics 47
DB98_17175A_1 2/6/04 4:14 PM Page 49
9. Wiring Diagram
9-1 Indoor Unit(9K / 12K)
48
This Document can not be used without Samsung's authorization.
Samsung Electronics
DB98_19047A(1)_2 4/21/04 2:27 PM Page 50
9
-2 Outdoor Unit(9K / 12K)
Samsung Electronics
This Document can not be used without Samsung's authorization.
Code No : DB98-17635A
49
DB98_17175A_1 2/6/04 4:14 PM Page 52
M E M O
50 Samsung Electronics
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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.
Printed in China.

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Key features
- Remote control operation
- Auto, Cool, Heat, Dry, Turbo, Sleep modes
- R410A refrigerant
- Bio filter
- Ionizer
- Compressor protection error function