Samsung SC09AWH User manual

INDOOR UNIT
SC09AWH
SC09ZWH
AS09WHWE
AS09WHWD
KF-25G/SWA
SC12AWH
SC12ZWH
AS12WHWE
AS12WHWD
KF-35G/SWA
OUTDOOR UNIT
SC09AWHX
SC09ZWHX
US09WHWE
US09WHWD
KF-25W/SWA
SC12AWHX
SC12ZWHX
US12WHWE
US12WHWD
KF-35W/SWA
SERVICE Manual
CONTENTSAIR CONDITIONER
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
ROOM AIR CONDITIONER
DB98_16569A(2)_co 4/6/04 2:57 PM Page 3

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. DB98-16569A(2)
DB98_16569A(2)_co 4/6/04 2:57 PM Page 2

4m
15m
7m

INDOOR UNIT
SC09AWH
SC09ZWH
AS09WHWE
AS09WHWD
KF-25G/SWA
SC12AWH
SC12ZWH
AS12WHWE
AS12WHWD
KF-35G/SWA
OUTDOOR UNIT
SC09AWHX
SC09ZWHX
US09WHWE
US09WHWD
KF-25W/SWA
SC12AWHX
SC12ZWHX
US12WHWE
US12WHWD
KF-35W/SWA
SERVICE Manual
CONTENTSAIR CONDITIONER
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
ROOM AIR CONDITIONER
DB98_16569A(2)_co 4/6/04 2:57 PM Page 3

1Samsung Electronics
Perfor-
mance
Power
Size
Model
Item
Type
Cooling kW
Dehumidifying |/h
Air Volume m3/min
Noise dB
Energy Efficiency Ratio W/W
Power V-Hz
Power Consumption W
Operating Current A
Power Factor %
Starting Current A
Length m
Power Cord Number of Core Wire
Capacity A
Outer Dimension W x H x D mm
inch
Weight(Net) kg
Refrigerant Pipe Liquid mm x L(m)
GAS mm x L(m)
Drain Hose D x L(mm)
Type
Compressor Motor Type
Rated Output
Oil Type
Type
Blower Motor Type
Rated Output W
Heat Exchanger
Refrigerant Control Unit
Freezer Oil Capacity cc
Refrigerant to Change(R410A) g
Protection Device(OLP)
Cooling Test Condition
Maximum Operation Condition
SC09AWH
Wall-mounted
2.7
1.0
7.3 25
38 / 36 / 34 51 / 51
2.70
1-220 / 240-50
1,000
4.5
98.2
21.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2 x7.44 28.4x21.6x10.4
8.2 33.0
ø6.35 x 7.5
ø9.52 x 7.5
ø18 x 550
Rotary
Induction Motor(PSC)
900
DAPHNE FV68S(PVE)
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
350
580
MRA99134-9201
Indoor unit Outdoor unit
INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C
INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C
SC12AWH
Wall-mounted
3.5
1.4
8.3 25
41 / 39 / 37 53 / 53
2.99
1-220 / 240-50
1,170
5.7
96.9
30.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.4 33.8
ø6.35 x 7.5
ø9.52 x 7.5
ø18 x 550
Rotary
Induction Motor(PSC)
1,075
DAPHNE FV68S(PVE)
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
520
830
MRA99908-9201
Indoor unit Outdoor unit
1. Product Specifications
1-1 Table
DB98_16569A(2)_1 4/6/04 2:56 PM Page 1

Samsung Electronics2
Table(cont.)
Perfor-
mance
Power
Size
Model
Item
Type
Cooling kW
Dehumidifying |/h
Air Volume m3/min
Noise dB
Energy Efficiency Ratio W/W
Power V-Hz
Power Consumption W
Operating Current A
Power Factor %
Starting Current A
Length m
Power Cord Number of Core Wire
Capacity A
Outer Dimension W x H x D mm
inch
Weight(Net) kg
Refrigerant Pipe Liquid mm x L(m)
GAS mm x L(m)
Drain Hose D x L(mm)
Type
Compressor Motor Type
Rated Output
Oil Type
Type
Blower Motor Type
Rated Output W
Heat Exchanger
Refrigerant Control Unit
Freezer Oil Capacity cc
Refrigerant to Change(R22) g
Protection Device(OLP)
Cooling Test Condition
Maximum Operation Condition
SC09ZWH/AS09WHWE
Wall-mounted
2.7
1.0
7.3 25
38 / 36 / 34 51 / 51
2.70
1-220 / 240-50
1,000
4.5
98.2
21.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2x 7.44 28.4x21.6x10.4
8.2 33.0
ø6.35 x 5.0
ø9.52 x 5.0
ø18 x 550
Rotary
Induction Motor(PSC)
1,005
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
360
580
RAC12110-9622
Indoor unit Outdoor unit
SC12ZWH/AS12WHWE
Wall-mounted
3.5
1.4
8.3 25
41 / 39 / 37 53 / 53
2.99
1-220 / 240-50
1,170
5.2
96.9
30.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.4 33.8
ø6.35 x 5.0
ø12.7 x 5.0
ø18 x 550
Rotary
Induction Motor(PSC)
1,206
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
600
830
RAC12074-9622
Indoor unit Outdoor unit
INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C
INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C
DB98_16569A(2)_1 4/6/04 2:56 PM Page 2

3Samsung Electronics 3Samsung Electronics
Perfor-
mance
Power
Size
Model
Item
Type
Cooling kW
Dehumidifying |/h
Air Volume m3/min
Noise dB
Energy Efficiency Ratio W/W
Power V-Hz
Power Consumption W
Operating Current A
Power Factor %
Starting Current A
Length m
Power Cord Number of Core Wire
Capacity A
Outer Dimension W x H x D mm
inch
Weight(Net) kg
Refrigerant Pipe Liquid mm x L(m)
GAS mm x L(m)
Drain Hose D x L(mm)
Type
Compressor Motor Type
Rated Output
Oil Type
Type
Blower Motor Type
Rated Output W
Heat Exchanger
Refrigerant Control Unit
Freezer Oil Capacity cc
Refrigerant to Change(R22) g
Protection Device(OLP)
Cooling Test Condition
Maximum Operation Condition
AS09WHWD
Wall-mounted
2.65
1.0
7.3 25
38 / 36 / 34 51 / 51
2.82
1-220-50
940
4.6
97.0
21.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.2 33.0
ø6.35 x 5.0
ø9.52 x 5.0
ø18 x 550
Rotary
Induction Motor(PSC)
1,005
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
360
580
RAC12054-9622
Indoor unit Outdoor unit
AS12WHWD
Wall-mounted
3.5
1.4
8.3 25
41 / 39 / 37 53 / 53
2.99
1-220-50
1,170
5.8
92.0
30.0
-
-
250V-10A
825x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.4 33.8
ø6.35 x 5.0
ø12.7 x 5.0
ø18 x 500
Rotary
Induction Motor(PSC)
1,206
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
600
920
RAC12074-9622
Indoor unit Outdoor unit
INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C
INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C
DB98_16569A(2)_1 4/6/04 2:56 PM Page 3

Samsung Electronics4
Table(cont.)
Perfor-
mance
Power
Size
Model
Item
Type
Cooling kW
Dehumidifying |/h
Air Volume m3/min
Noise dB
Energy Efficiency Ratio W/W
Power V-Hz
Power Consumption W
Operating Current A
Power Factor %
Starting Current A
Length m
Power Cord Number of Core Wire
Capacity A
Outer Dimension W x H x D mm
inch
Weight(Net) kg
Refrigerant Pipe Liquid mm x L(m)
GAS mm x L(m)
Drain Hose D x L(mm)
Type
Compressor Motor Type
Rated Output
Oil Type
Type
Blower Motor Type
Rated Output W
Heat Exchanger
Refrigerant Control Unit
Freezer Oil Capacity cc
Refrigerant to Change(R22) g
Protection Device(OLP)
Cooling Test Condition
Maximum Operation Condition
KF-25G/SWA
Wall-mounted
2.65
1.0
7.3 25
38 / 36 / 34 51 / 51
2.82
1-220-50
940
4.6
97.0
21.0
-
-
250V-10A
835x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.2 33.0
ø6.35 x 4.0
ø9.52 x 4.0
ø18 x 550
Rotary
Induction Motor(PSC)
1,005
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
360
580
RAC12054-9622
Indoor unit Outdoor unit
KF-35G/SWA
Wall-mounted
3.5
1.4
8.3 25
41 / 39 / 37 53 / 53
2.99
1-220-50
1,170
5.8
92.0
30.0
-
-
250V-10A
835x285x189 720x548x265
32.5x11.2x7.44 28.4x21.6x10.4
8.4 33.8
ø6.35 x 4.0
ø12.7 x 4.0
ø18 x 550
Rotary
Induction Motor(PSC)
1,206
SUNISO-4GSD
Cross-flow Propeller
steel steel
15 50
2ROW 14STEP 1ROW 24STEP
CAPILLARY TUBE
600
920
RAC12074-9622
Indoor unit Outdoor unit
INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C
INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB28˚C
DB98_16569A(2)_1 4/6/04 2:56 PM Page 4

5Samsung Electronics
2. Disassembly and Reassembly
2-1 Indoor Unit
Stop operation of the air conditioner and remove the power cord before repairing the unit.
No Parts Procedure Remark
1 Front Grille 1) Stop the air conditioner operation and
block the main power.
2) 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.
DB98_16569A(2)_1 4/6/04 2:56 PM Page 5

Samsung Electronics6
Disassembly and Reassembly
No Parts Procedure Remark
2
3
Control-In
(Main PCB)
Tray Drain
6) Unlock 2 hooks to fix Panel Front and
Tray Drain.
7) Unlock 3 hooks to fix Panel Front and
Back-Body.
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.
1) Pull Tray Drain out from the Back Body.
DB98_16569A(2)_1 4/6/04 2:56 PM Page 6

7Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
4
5
Heat Exchanger
Fan Motor
&
Cross Fan
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 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.
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.
DB98_16569A(2)_1 4/6/04 2:56 PM Page 7

Samsung Electronics8
2-2 Outdoor Unit
No Parts Procedure Remark
1 Common Work 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 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.
DB98_16569A(2)_1 4/6/04 2:56 PM Page 8

9Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
2
3
4
Fan
&
Motor
Heat Exchanger
Compressor
1) Detach the Nut Flange.(Turn counterclock-
wise because the screw is right-handed)
2) Detach the Fan.
3) Loosen 4 fixing screws to detach
the Motor.
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.
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.
DB98_16569A(2)_1 4/6/04 2:56 PM Page 9

Samsung Electronics10
Heat
Exchanger
(Evaporator)
Gas side
3-Way valve
2-Way valve
Liquid side
Capillary tube
Gas Leak Check Point
Cross fan
Heat
Exchanger
(Condenser)
Propeller fan
Compressor
T1
T2
Cooling
Indoor Unit Outdoor Unit
3. Refrigerating Cycle Diagram
3-1 Refrigerating Cycle Diagram
DB98_16569A(2)_1 4/6/04 2:56 PM Page 10

11Samsung Electronics
3-2 Refrigerant Cycle Characteristic
3-2-1 Capacity Distributions
Capacity Distributions according to indoor and outdoor temperature variation.
- Indoor Temp. Variation : 21.0˚C ~ 32.4˚C
- Outdoor Temp. Variation : 25.0˚C ~ 45.0˚C
DB32.4 / WB24.0
DB30.6 / WB22.5
DB27.0 / WB19.0
DB24.0 / WB17.0
DB21.0 / WB15.0
Cooling Capacity(kW)
Cooling Capacity Distribution
4.0
3.0
2.0
1.0
25.0 35.0 45.0
Outdoor Temp.(DB C)
Indoor Temp.( C)
■ 9,000Btu
DB32.4/WB24.0
DB30.6/WB22.5
DB27.0/WB19.0
DB24.0/WB17.0
DB21.0/WB15.0
Cooling Capacity(kW)
Cooling Capacity Distribution
6.0
5.0
4.0
3.0
2.0
1.0
0.025 35 45
Outdoor Temp.(DB C)
Indoor Temp.( C)
■ 12,000Btu
DB98_16569A(2)_1 4/6/04 2:56 PM Page 11

Refrigerating Cycle Diagram
Samsung Electronics12
3-2-2 Power Consumption Distributions
Power Consumption Distributions according to indoor and outdoor temperature variation.
- Indoor Temp. Variation : 21.0˚C ~ 32.4˚C
- Outdoor Temp. Variation : 25.0˚C ~ 45.0˚C
DB32.4 / WB24.0
DB30.6 / WB22.5
DB27.0 / WB19.0
DB24.0 / WB19.0
DB21.5 / WB15.0
Power consumption(W)
Power consumption Distribution(Cooling mode)
1,300
1,200
1,100
1,000
900
800
70025 35 45
Indoor Temp.( C)
Outdoor Temp.(DB C)
Power consumption(W)
Power consumption Distribution(Cooling mode)
1,600
1,500
1,400
1,300
1,200
1,100
1,00025 35 45
DB32.4 / WB24.0
DB30.6 / WB22.5
DB27.0 / WB19.0
DB24.0 / WB19.0
DB21.5 / WB15.0
Indoor Temp.( C)
Outdoor Temp.(DB C)
■ 9,000Btu
■ 12,000Btu
DB98_16569A(2)_1 4/6/04 2:56 PM Page 12

Refrigerating Cycle Diagram
13Samsung Electronics
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.
Power consumption(W)
Length of Connecting Pipe(m)
Power consumption(Cooling)
1,300
1,200
1,100
1,000
900
800
700 7.5 15.0
Coooling Capacity(kW)
Length of Connecting Pipe(m)
Cooling Capacity
4
3
2
17.5 15.0
Cooling Capacity(kW)
Length of Connecting Pipe(m)
Cooling Capacity
3.70
3.50
3.30
3.10
2.907.5 15.0
Power consumption(W)
Length of Connecting Pipe(m)
Power consumption(Cooling)
1,350
1,300
1,250
1,200
1,150 7.5 15.0
■ 9,000Btu
■ 12,000Btu
DB98_16569A(2)_1 4/6/04 2:56 PM Page 13

Samsung Electronics14
Feature Display
4. Set Up the Model Option
4-1 Setting Option Setup Method
ex) Option No. :
Step 1 : Enter the Option Setup mode.
1st Take out the batteries of remote control.
2nd Press the temperature button simultaneously and
insert the battery again.
3rd Make sure the remocon display shown as .
Step 2 : Enter the Option Setup mode and select your option according to the following procedure.
3
1,4 2,5
Setting Option SEG1.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
2
Setting Option SEG2.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
4
Setting Option SEG3.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
3
Change it into the set display of Option SEG3 and SEG4
with the button.
5
Setting Option SEG4.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
1
DB98_16569A(2)_1 4/6/04 2:57 PM Page 14

Set Up the Model Option
15Samsung Electronics
Feature Display
7
Setting Option SEG5.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
6
Change it into the set display of Option SEG5 and SEG6
with the button.
8
Setting Option SEG6.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
10
Setting Option SEG7.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
9
Change it into the set display of Option SEG7 and SEG8
with the button.
11
Setting Option SEG8.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
13
Setting Option SEG9.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
12
Change it into the set display of Option SEG9 and SEG10
with the button.
14
Setting Option SEG10.
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
12
13 14
DB98_16569A(2)_1 4/6/04 2:57 PM Page 15

Set Up the Model Option
Samsung Electronics16
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 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry.
2nd 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.
DB98_16569A(2)_1 4/6/04 2:57 PM Page 16