Samsung AQB18J6WC User manual

AIR CONDITIONER THE FEATURE OF PRODUCT
AQV18JA, AQV24JA
SPLIT-TYPE AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
Basic : AQB18J6WC
AQB24J2WC
Model : AQV18JA
AQV24JA
Model Code : AQV18JA AQV18JAX
AQV24JA AQV24JAX
 High Energy Efficiency BLDC
Air Conditioner
 Simple Flat Grille Design
 good’ sleep Mode
 : good’ sleep Mode can help you sleep quickly and
soundly and wake up refreshed.
 Multi Functional Cleaning System
 : Silver Nano Health System and Deodorizing/
Catechin Filter are adopted.
 Silence Mode
 : When you use the "Silence Mode", you can
experience extremely quiet operation of your
air conditioner.
AQV18JAX, AQV24JAX
Refer to the service manual in the GSPN(see the rear cover) for the more information.

Operating Instructions and Installation
Samsung Electronics 1
Contents
11. Precautions ........................................................................................................................................ 1-1
1-1 Installing the air conditioner .......................................................................................................... 1-1
1-2 Power supply and circuit breaker ................................................................................................. 1-1
1-3 During operation .............................................................................................................................. 1-1
1-4 Disposing of the unit ....................................................................................................................... 1-2
1-5 Others ................................................................................................................................................. 1-2
12. Product Specifications ............................................................................................................... 2-1
2-1 The Feature of Product .................................................................................................................... 2-1
2-2 Product Specifications ..................................................................................................................... 2-2
2-3 The Comparative Specifications of Product
................................................................................ 2-3
2-4 Accessory and Option Specifications
........................................................................................... 2-5
13. Alignment and Adjustments ................................................................................................. 3-1
3-1 Test Mode ........................................................................................................................................... 3-1
3-2 Indoor Display Error and Check Method ..................................................................................... 3-2
3-3 Outdoor LED Error Display and Check Method
.......................................................................... 3-3
3-4 Setting Option Setup Method
....................................................................................................... 3-4
14. Disassembly and Reassembly .............................................................................................. 4-1
4-1 Indoor Unit ......................................................................................................................................... 4-2
4-2 Outdoor Unit .................................................................................................................................... 4-5
15. Exploded Views and Parts List ............................................................................................. 5-1
5-1 Indoor Unit ......................................................................................................................................... 5-1
5-2 Outdoor Unit ..................................................................................................................................... 5-3
5-3 Ass’y Control In ................................................................................................................................. 5-5
5-4 Ass’y Control Out .............................................................................................................................. 5-7
16. Wiring Diagram .............................................................................................................................. 6-1
6-1 Indoor Unit ......................................................................................................................................... 6-1
6-2 Outdoor Unit .................................................................................................................................... 6-2
17. Schematic Diagram ...................................................................................................................... 7-1
7-1 Indoor Unit ......................................................................................................................................... 7-1
7-2 Outdoor Unit .................................................................................................................................... 7-2
18. Circuit Descriptions ...................................................................................................................... 8-1
8-1 PCB Circuit Descriptions .................................................................................................................. 8-1

Operating Instructions and Installation
2 Samsung Electronics
Contents
8-2 Refrigerating Cycle Diagram .......................................................................................................... 8-3
9. PCB Diagram ..................................................................................................................................... 9-1
9-1 Indoor PCB ......................................................................................................................................... 9-1
9-2 Outdoor PCB ...................................................................................................................................... 9-2
10. Operating Instructions .............................................................................................................. 10-1
10-1 Name of Each Part .......................................................................................................................... 10-1
10-2 Wireless Remote Control-Buttons and Display ........................................................................ 10-3
10-3 Main Function
................................................................................................................................. 10-4
11. Troubleshooting ............................................................................................................................ 11-1
11-1 Items to be checked first .............................................................................................................. 11-1
11-2 Fault Diagnosis by Symptom
....................................................................................................... 11-2
11-3 PCB Inspection Method
................................................................................................................ 11-20
11-4 Main Part Inspection Method
...................................................................................................... 11-22
12. Block Diagram ................................................................................................................................. 12-1
12-1 Indoor Unit ...................................................................................................................................... 12-1
12-2 Outdoor Unit ................................................................................................................................... 12-3
13. Reference Sheet .............................................................................................................................. 13-1
13-1 Index for Model Name .................................................................................................................. 13-1
13-2 Low Refrigerant Pressure Distribution
....................................................................................... 13-2
13-3 Pressure & Capacity mark
............................................................................................................. 13-3
13-4 Q & A for Non-trouble
................................................................................................................... 13-4
13-5 Cleaning/Filter Change
................................................................................................................. 13-7
13-6 Installation
....................................................................................................................................... 13-9
13-7 Installation Diagram of Indoor Unit and Outdoor Unit
.......................................................... 13-10

Samsung Electronics 1-1
1. Precautions
1-1 Installing the air conditioner
 Users should not install the air conditioner by themselves.
Ask the dealer or authorized company to install the air conditioner except the window-type air conditioner in U.S.A and Canada.
 If you don’t install the air conditioner properly, it may cause a fire, a water leakage or an electric shock.
 You must install the air conditioner according to the national wiring regulations and safety regulations.
 Install the indoor unit higher than 8.2ft(2.5m) from the floor to avoid the injury caused by the operation of the fan.
(except the window-type air conditioner)
 The manufacturer is not responsible for any accidents or injury caused by an incorrect installation.
 When installing the built-in type air conditioner, keep all electric cables such as the power cable and the connection cord in pipes,
ducts, or cable channels to protect them from the danger of impact or any other incidents.
1-2 Power supply and circuit breaker
 If the power cord of the air conditioner is damaged, it must be replaced by the manufacturer or a qualified person in order to avoid
a hazard.
 The air conditioner must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit
breaker.
An all pole disconnection from the power supply must be incorporated in the fixed wiring with a contact opening of >0.12inch(3mm).
 Do not extend an electric cord to the air conditioner.
 The air conditioner must be plugged in after you complete the installation.
1-3 During operation
 Do not repair the air conditioner at your discretion.
It is recommended to contact a service center directly.
 Never spill any kind of liquid on the air conditioner.
If this happens, turn off the air conditioner and contact an authorized service center.
 Do not insert anything between the airflow blades to prevent damage of the inner fan and consequent injury.
Keep children away from the air conditioner.
 Do not place any obstacles in front of the air conditioner.
 Do not spray any kind of liquid into the indoor unit. If this happens, turn off the air conditioner and contact a service center.
 Make sure that the air conditioner is well ventilated at all times:
Do not place a cloth or other materials over it.
 Remove the batteries if you don’t use the remote control for a long time. (If applicable)
 Use the remote control within 23ft(7m) from the indoor unit. (If applicable)

1-2 Samsung Electronics
1-4 Disposing of the unit
 Before throwing out the air conditioner, remove the batteries from the remote control.
 When you dispose of the air conditioner, consult your dealer. If pipes are removed incorrectly, refrigerant may blow out and cause
air pollution. When it contacts with your skin, it can cause skin injury.
 The package of the air conditioner should be recycled or disposed of properly for environmental reasons.
1-5 Others
 Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor.
 Young children or infirm persons should be always supervised when they use the air conditioner.
 Max current is measured according to IEC standard for safety.
 Current is measured according to ISO standard for energy efficiency.

Samsung Electronics 2-1
2. Product Specifications
2-1 The Feature of Product
 High Energy Efficiency BLDC Air Conditioner
BLDC Technique arises the efficiency of air conditioner and makes a room cool and warm with high energy saving.
 Simple Flat Grille Design
With a Smart and fashionable style, the high impressive interior design allow this product to set place in anywhere.
 good’ sleep Mode
good’ sleep Mode can help you sleep quickly and soundly and wake up refreshed.
 Multi functional cleaning system
With Silver Nano Health System and Deodorizing/Catechin Filters makes your room more refreshed.
 Silence Mode
When you use the “Silence Mode”, you can experience extremely quiet operation of your air conditioner.

2-2 Samsung Electronics
2-2 Product Specifications
Model
Item
AQV18JA AQV24JA
Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit
Type Wall-mounted Wall-mounted
Performance
Capacity Cooling Btu/hr
(Low / Std / Max)
5,500 / 18,000 / 21,000 6,500 / 24,000 / 27,000
Heating 5,100 / 20,500 / 26,000 5,800 / 27,000 / 33,000
Running
Frequency
Cooling Hz
(Low / Std / Max)
20 / 73 / 88 15 / 60 / 66
Heating 20 / 76 / 100 15 / 59 / 85
Dehumidifying Pints/hr 10.2 14.4
Air Volume Cooling ㎥/min
(H/M/L)
14.2/12.1/9.7 47 13.9/11.7/9.4 47
Heating 15.5/13/10.8 46 16.1/13.9/11.6 46
Noise Cooling dB
(H/L)
48/33 58 48/33 60
Heating 48/33 58 48/33 60
SEER Cooling (Std) 17.0 15.5
HSPF Heating 8.0 7.8
Power ph-V-Hz 1-208/230-60 1-208/230-60
Power
Power
Consumtion
Cooling W
(Low / Std / Max)
500 / 1,700 / 2,200 590 / 2,600 / 3,150
Heating 450 / 1,850 / 2,500 580 / 2,800 / 4,000
Operating
Current
Cooling A
(Low / Std / Max)
2.8 / 7.5 / 10.0 3.3 / 12.0 / 13.8
Heating 2.6 / 8.2 / 11.0 3.0 / 13.0 / 18.5
Power Factor Cooling %
(Low / Std / Max)
75 / 90 /95 70 / 90 /95
Heating 75 / 90 /95 70 / 90 /95
Breaker Size A 20 25
MCA 14 17.2
MOP 20 30
Size
Outer Dimension Width x Height
x Depth
inch 41.9 X 11.7 X 8.6 34.6 X 25.1 X 12.2 41.9 X 11.7 X 8.6 34.6 X 25.1 X 12.2
mm 1,065 X 298 X 218 880 X 638 X 310 1,065 X 298 X 218 880 X 638 X 310
Weight (Net) lb 28.7 101.4 28.7 110.2
kg 13.0 46.0 13.0 50.0
Drain Hose D(inch) x L(ft) Φ0.7 x 1.8 Φ0.7 x 1.8
D(mm) x L(mm) Φ18 x 550 Φ18 x 550
Compressor
Type Rotary, G4B135LUAEH Rotary, G8T260FUAEW
Motor Type Hermetic Hermetic
Rated Output W 1324W 2454W
Oil Type FREOLα68ES-T FREOLα68ES-T
RLA A 10.25 13.0
Blower
Type Cross-flow Propeller Cross-flow Propeller
Motor
Type Resin / Steel, AC Resin / Steel, DC Resin / Steel, AC Resin / Steel, DC
Rated Output W 40 90 40 93
FLA 0.3A 65W 0.6A 130W 0.3A 65W 0.6A 130W
Piping
Maximum Spec. Length ft (m) 98.4 (30) 98.4 (30)
Height ft (m) 49.2 (15) 49.2 (15)
Refrigerant Pipe
Liquid OD(inch) x L(ft) Φ1/4 x 24.6 Φ1/4 x 24.6
OD(mm) x L(m) Φ6.35 x 7.5 Φ6.35 x 7.5
Gas OD(inch) x L(ft) Φ1/2 x 24.6 Φ5/8 x 24.6
OD(mm) x L(m) Φ12.7 x 7.5 Φ15.88 x 7.5
Heat Exchanger 2 Row 16 Step 2 Row 28 Step 2 Row 16 Step 2 Row 28 Step
Refrigerant Control Unit EEV EEV
Freezer Oil Capacity gal 0.16 0.18
cc 600 700
Refrigerant to be Charged (R410A) oz 51.1 51.1
g 1,450 1,450
Refrigerant to be Added (R410A) oz/ft 0.16 0.16
g/m 15 15
Protection Device (OLP) None None
Cooling Test Condition Indoor Unit : DB80°F WB67°F
Indoor Unit : DB26.7°C WB19.4°C
Outdoor Unit : DB95°F WB75°F
Outdoor Unit : DB35°C WB23.9°C
Heating Test Condition Indoor Unit : DB70°F WB60°F
Indoor Unit : DB21.1°C WB15.6°C
Outdoor Unit : DB47°F WB43°F
Outdoor Unit : DB8.3°C WB6.1°C
Operation conditon range
cooling
indoor 61°F to 90°F approx.
16°C to 32°C approx.
61°F to 90°F approx.
16°C to 32°C approx.
Outdoor 14°F to 115°F approx.
-10°C to 46°C approx.
14°F to 115°F approx.
-10°C to 46°C approx.
heating
indoor 80°F or less
27°C or less
80°F or less
27°C or less
Outdoor 5°F to 75°F approx.
-15°C to 24°C approx.
5°F to 75°F approx.
-15°C to 24°C approx.

Samsung Electronics 2-3
2-3 The Comparative Specifications of Product
Item
Development Model Comparative Model
AQV18JA
AQV24JA
AQB18JJWC
AQB24JJWC
Design
Indoor Unit
Outdoor Unit
Net Weight
Indoor Unit 28.7lb (13.0kg) 28.7lb (13.0kg)
Outdoor Unit AQV18J* : 101.4lb (46.0kg)
AQV24J* : 110lb (50kg)
AQB18J* : 110lb (50kg)
AQB24J* : 124.6lb (56.5kg)
Outer Dimension
Indoor Unit 41.9 X 11.7 X 8.6 (inch)
1,065 X 298 X 218 (mm)
41.9 X 11.7 X 8.6 (inch)
1,065 X 298 X 218 (mm)
Outdoor Unit 34.6 X 25.1 X 12.2 (inch)
880 X 638 X 310 (mm)
34.6 X 25.1 X 12.2 (inch)
880 X 638 X 310 (mm)
Noise
Indoor Unit AQV18J* : 48dB↓ (Silence : 33dB↓)
AQV24J* : 48dB↓ (Silence : 33dB↓)
AQB18J* : 48dB↓ (Silence : 33dB↓)
AQB24J* : 48dB↓ (Silence : 35dB↓)
Outdoor Unit AQV18J* : 58dB↓
AQV24J* : 60dB↓
AQB18J* : 58dB↓
AQB24J* : 60dB↓
Air Purifying System Filter
Silver Nano Coated Evaporator
Bio Filter
Deodorizing Fiter
Silver Nano Coated Evaporator
Bio Filter
Deodorizing Fiter
Indoor Display 3 LED Display 3 LED Display

2-4 Samsung Electronics
2-4 Accessory and Option Specifications
2-4-1 Accessories
Item Descriptions Code-No. Q'TY Remark
Ass'y Plate Hanger DB90-02738A 1
Indoor
Unit
Remote Control DB93-03012N 1
Batteries for Remote Control DB47-90024A 2
OWNER'S INSTRUCTIONS
MANUAL DE INSTRUCCIONES
ISTRUZIONIPER L'USO
MANUAL DE INSTRU‚ÍES
MANUEL D'UTILISATION
GEBRAUCHSANWEISUNG
Splut-typeRoom Air Conditioner
Aireacondicionado domŽsticosistema Split
Condizionatored'aria per ambientiad unitˆ Separate
Aparelhode ar condicionado tipoSplit
Climatiseurdetype sŽparŽ
Geteilteraumklimaanlage
User’s Manual DB98-27555A 1
OWNER'S INSTRUCTIONS
MANUAL DE INSTRUCCIONES
ISTRUZIONIPER L'USO
MANUAL DE INSTRU‚ÍES
MANUEL D'UTILISATION
GEBRAUCHSANWEISUNG
Splut-typeRoom Air Conditioner
Aireacondicionado domŽsticosistema Split
Condizionatored'aria per ambientiad unitˆ Separate
Aparelhode ar condicionado tipoSplit
Climatiseurdetype sŽparŽ
Geteilteraumklimaanlage
Installation Manual DB98-27556A 1
OWNER'S INSTRUCTIONS
MANUAL DE INSTRUCCIONES
ISTRUZIONIPER L'USO
MANUAL DE INSTRU‚ÍES
MANUEL D'UTILISATION
GEBRAUCHSANWEISUNG
Splut-typeRoom Air Conditioner
Aireacondicionado domŽsticosistema Split
Condizionatored'aria per ambientiad unitˆ Separate
Aparelhode ar condicionado tipoSplit
Climatiseurdetype sŽparŽ
Geteilteraumklimaanlage
Service Manual DB98-27558A 1
Drain Plug DB67-20011A 1
Outdoor
Unit
Rubber Leg DB73-20134A 4

Samsung Electronics 3-1
3. Alignment and Adjustments
3-1 Test Mode
1. How to Operate Test Mode
Press the Power button of indoor unit for 5 seconds
(Cooling test operation).
Or press the K1 switch of the display board once
(Cooling test operation) or twice (Heating test operation)
after removing the Cover Control of outdoor unit.
The Unit operates Test Mode for sixty minutes.
2. How to Check the Unit on Test Mode
Please check the three LED and Error Mode Display.
Please check the low pressure as connecting a manifold gauge
with the service valve.
3. How to Quit Test Mode
Press the power button of indoor unit once again
Or press the K1 switch of display board three times again.
* After the test operation is finished, you cannot retry the test
operation without power reset.
* The blade places to set position and then the indoor fan operates.
* The Compressor is operated by rated frequency
before sixty minutes or enforced stop.
on/off switch

3-2
3-2 Indoor Display Error and Check Method
● : Lamp on, : Lamp off, ◑ : Lamp blink
Description
LAMP
Main Checking Point
OPERATION TIMER TURBO
Indoor unit room temperature sensor error
(open or short)
◑
3-2P
Indoor unit heat exchanger temperature sensor error
(open or short)
◑ ◑
3-3P
Indoor fan motor malfunction
◑
3-4P
EEPROM error
◑◑◑
Option Setting
Option error
(option wasn’t set up or option data error)
◑◑◑
Option Setting
Outdoor unit error
◑ ◑
Remote Control on/off
Outdoor Unit Power Reset
Samsung Electronics

Samsung Electronics
3-3 Outdoor LED Error Display and Check Method
No.
LED Display
Explanation
Yellow Green Red
1○○○Power off/ VDD NG
2○ ○ ◎ IPM Over Current(O.C)
3
○○●
Abnormal Serial communication
○●●
4○◎○Compressor Starting error
5○◎●Normal Operation
6○●○Compressor Lock error
7○ ● ◎ DC-Link voltage under/over error
8◎○◎Outdoor temperature sensor error
9◎ ○ ● Discharge over temperature
10 ◎ ◎ ○ Discharge temperature sensor error
11 ◎ ◎ ● Current sensor error
12 ◎ ● ○ Compressor limit error
13 ◎●◎Coil temperature sensor error
14 ◎ ● ● 1min. Time out Communication
15 ●○○Fan error
16 ● ○ ◎ OTP error
17 ●○●Compressor rotation error
18 ●◎○Operation condition secession(Dual only)
19 ● ◎ ◎ DC-Link voltage sensor error
20 ●◎●I_Trip error / PFC Over current
21 ●●○GAS Leak error
22 ● ● ◎ AC Line Zero Cross Signal out
23 ●●●Power ON reset(1sec)
24 ◎ ○ ○ Capacity miss match
25 ○ ◎ ◎ Test Operation at Cooling Mode
26 ◎◎◎Test Operation at Heating Mode
● : LED ON, ○ : LED OFF, ◎ : LED BLINK
3-3

3-4 Setting Option Setup Method
Samsung Electronics3-4
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.
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.
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.
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 

 

 

3-5Samsung Electronics
Feature Display
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.
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.
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Alignment and Adjustments

Operating Instructions and Installation
Samsung Electronics
Alignment and Adjustments
OPTION ITEMS
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
AQV18JA 0 A D 7 7 7 1 7 F 2 8 E
AQV24JA 0 B E 7 7 7 1 7 F 2 8 E
MODEL
REMOCON
3-6
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 control 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 control.
Second, Re-insert the battery into the remote control.
Third, Press ON/OFF (
) key with the direction of remote control 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.

Samsung Electronics 4-1
4. Disassembly and Reassembly
Necessary Tools
Item Remark
+SCREW DRIVER
MONKEY SPANNER

Samsung Electronics
4-1 Indoor Unit
No Parts Procedure Remark
1 Front Grille 1) Stop the air conditioner operation and
shut off the main power.
2) Open the Front Grille by pulling right and
left sides of the hook.
3) Loosen 1 of the right screw(CCW) and detach
the Terminal Cover. (Use +Screw Driver.)
4) Detach the thermistor from the Front Grille.
5) Loosen 2 fixing screws(CCW) of Front Grille.
6) Unlock 3 hooks to fix Panel Front and Tray
Drain. (Use +Screw Driver.)
4-2

Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
7) Unlock 3 hooks to fix Panel Front and
Back-Body.
2 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(CCW) of Ass'y
Control-In. (Use +Screw Driver.)
You can disassembly Ass'y Control In
without evaporator disassembled.
3 Tray Drain 1) Pull Tray Drain out from the Back Body.
4-3

Samsung Electronics
Disassembly and Reassembly
No Parts Procedure Remark
4
Heat Exchanger 1) Loosen 2 fixing earth screws(CCW) of right
side. (Use +Screw Driver.)
2) Detach the Connection Pipe.
3) Detach the Holder Pipe at the rear side.
4) Loosen the 4 fixing screws(CCW) of right and
left side. (Use +Screw Driver.)
5) Lifting the Heat Exchanger up a little to push
the up side for separation from the indoor
unit.
First, check Comp. Down and then disconnect
the connection pipes before you disassemble
the Evaporator from indoor unit.
5
Fan Motor
&
Cross Fan
1) Loosen the fixing screw(CCW).
(Use +Screw Driver.)
2) Detach the Fan Motor from the Fan.
3) Detach the Fan From the left Holder Bearing.
4-4

Samsung Electronics
4-2 Outdoor Unit
4-5
No Parts Procedure Remark
1 Common Work 1) Loosen 1 fixing screw(CCW) of the Cover-
Control and detach the Cover Control.
2) Loosen fixing screws(CCW) and detach the
Cabinet-Upper.
3) Loosen 1 screw(CCW) fixed to assemble Control
Box with Cabinet-Side RH.
4) Loosen 6 fixing screws(CCW) and detach the
Cabinet-Side RH.