..............................5-3 Ass’y Control In ............................16. Electrical Parts List ..........................17. Wiring Diagram ............................18. Schematic Diagram ..........................19. Circuit Descriptions ..........................9-1 PCB Circuit Descriptions ........................... 9-2 Refrigerating Cycle Diagram ........................10. PCB Diagram 10-1 ..............................Samsung Electronics...
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14-2 Refrigerant Pressure during the Charging 14-2 ..................14-3 Pressure & Capacity mark 14-2 ........................14-4 Q & A for Non-trouble 14-3 ..........................14-5 Cleaning/Filter Change 14-6 ........................... 14-6 Installation 14-8 ..............................14-7 Installation Diagram of Indoor Unit and Outdoor Unit 14-9 ..............Samsung Electronics...
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 7 meters from the indoor unit. (If applicable) Samsung Electronics...
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...
Catechin, extracted from the green tea, is contained in the filter and deactivates captured bacteria and unpleasant odors. Silver Nano Evaporator Deodorizing Filter Activated carbon is incorporated in the filter, efficiently absorbing cigarette smoke, pet odors, and other unpleasant smells, replacing them with clean, refreshing air. Anti-Bacterial Cross Fan Samsung Electronics...
2-3 The Comparative Specifications of Product Item AQ09NSA/AQ09NSB/AQ09FD AQ12FC/AQ12NSA/AQ12FD/AQ12NSB Indoor Unit Design Outdoor Unit Indoor Unit 7.8kg Net Weight Outdoor Unit 25kg Indoor Unit 825x285x189 825x285x189 Outer Dimension (WidthxHeightxDepth) 660X475X242 Outdoor Unit 720x548x265mm Indoor Unit 40dB↓ 44dB↓ Noise Outdoor Unit 55dB↓...
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Net Weight Outdoor Unit Indoor Unit 1065x298x218mm 1065*298*218 Outer Dimension (WidthxHeightxDepth) 880x638x310 Outdoor Unit 790x548x285mm Indoor Unit 48dB↓ 48dB↓ Noise Outdoor Unit 59 dB↓ 61dB↓ Silver Nano Filter Air Purifying System Filter Catechin Filter Deodorizing Filter Digital Indoor Display Samsung Electronics...
* Display only for models • Replace the PCB having the returning function for the power fail- When there is an option related error Blink all lamps When options are not set • Reset options When there is an option data error Samsung Electronics...
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• Because the Test Mode operate the cool mode by force not related to the set temperature / indoor temperature, check whether each subordinate is operated normally or not after completing installation and must turn off the power of the air conditioner. Samsung Electronics...
Indoor unit room temperature sensor error (open or short) Indoor unit heat exchanger temperature sensor error (open or short) Indoor fan motor mal function EEPROM error Option error (option wasn’t set up or option data error) : Lamp off : Lamp flickering Samsung Electronics...
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35˚C-6.94kΩ 40˚C-5.83kΩ Connect the sensor to CN43, supply power, and measure the voltage of #1 and #2 of the CN43 connector. Below 0.5V? Poor ASS'Y PCB Replace Over 4.9V? Poor ASS'Y PCB Replace MICOM Error or Connector(CN43) check Samsung Electronics...
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3. Assemble the room pipe sensor to PCB, plug in, and check the voltage of connector 3 and 4. If the resistance is below 0.5V or over 4.9V, replace the indoor Main PCB. (short or disconnected in the PCB board) Samsung Electronics...
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Test rod location Normal Voltage PCB CN72 Condition pin #3 and #5 Fan operating About AC180V Replace Motor Motor Fan-Capacitor is out of order Fan-Capacitor Fan motor is out of order. Fan motor should be replaced. Samsung Electronics...
Setting is not required if you must Push the button to set the display panel to a value which has a default. Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
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1 st If all lamps of indoor unit are flickering, Plug out, plug in power plug 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. Samsung Electronics...
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Alignment and Adjustments OPTION ITEMS REMOCON SEG 1 SEG 2 SEG 3 SEG 4 SEG 5 SEG 6 SEG 7 SEG 8 SEG 9 SEG 10 SEG 11 SEG 12 MODEL AQ09NSA AQ09NSB AQ09FD AQ12FC AQ12NSA AQ12FD AQ12NSB AQ18FC AQ18NSA...
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 3 fixing screws of Front Grille. Samsung Electronics...
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1) Take all the connector of PCB upper side (Main PCB) out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wire from the Terminal Block. 3) Loosen 4 fixing screws of Ass’y Control-In. Tray Drain 1) Pull Tray Drain out from the Back Body. Samsung Electronics...
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5) Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit. Fan Motor 1) Loosen the fixing screw. & 2) Detach the Fan Motor from the Fan. Cross Fan 3) Detach the Fan From the left Holder Bearing. Samsung Electronics...
Cover Control. 3) Separate the connection wire from the Terminal Block. 4) Loosen 6 fixing screws and separate the Cabinet Front. 5) Loosen 1 fixing screw of Ass’y E-part. 6) Loosen 12 fixing screws and separate the Cabinet-Side Samsung Electronics...
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3) Separate the Heat Exchanger. Compressor 1) Open the Terminal Cover of Compressor and unscrew the Connection Terminal. 2) Disassemble the inlet and outlet pipe of Compressor by welding. 3) Loosen 3 bolts of the lower part. 4) Separate the Compressor. Samsung Electronics...
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Cabinet-Side edge and a fixing screw on the Cabinet-Front lower to detach the Cabinet-Front. 3) Loosen the fixing screws of the Ass’y-Control out. 4) Loosen the fixing screws of the Cabinet-Side RH. 5) Loosen the fixing screws of the Cabinet-Side LF. Samsung Electronics...
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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) Loosen the 3 bolts at the bottom. 5) Detach the Compressor. Samsung Electronics...
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Cabinet-Side edge and a fixing screw on the Cabinet-Front lower to detach the Cabinet-Front. 3) Loosen the fixing screws of the Ass’y-Control out. 4) Loosen the fixing screws of the Cabinet-Side RH. 5) Loosen the fixing screws of the Cabinet-Side LF. Samsung Electronics...
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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) Loosen the 3 bolts at the bottom. 5) Detach the Compressor. Samsung Electronics 4-10...
Operating Instructions and Installation 8. Schematic Diagram 8-1. Main PCB This Document can not be used without Samsung's authorization. Samsung Electronics...
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Operating Instructions and Installation 8-2. Power PCB This Document can not be used without Samsung's authorization. Samsung Electronics...
9. Circuit Descriptions 9-1 PCB Circuit Descriptions 9-1-1 Main PCB This Document can not be used w Samsung Electronics...
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INDOOR TEMPERATURE SENSOR INPUT PART STEP MOTOR CONTROL PART REMOTE RECEIVER PART DISPLAY CONTROL PART MOTOR RPM FEEDBACK without Samsung's authorization.
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PCB Circuit Descriptions 9-1-2 Power PCB This Document can not be used w Samsung Electronics...
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PCB Circuit Descriptions INDOOR FAN CONTROL PART AC/DC PART ZERO CROSSING PART LOAD DRIVE RELAY PART BUZZER DRIVE PART without Samsung's authorization.
9-2 Refrigerating Cycle Diagram Outdoor Unit Indoor Unit ※Note Capillary tube Check valve 2 way valve Liquid side Capillary tube Heat Heat Exchanger Exchanger (Evaporator) (Condenser) Gas side 3 way valve 4 way valve Cooling Heating Compressor Gas Leak Check Point Samsung Electronics...
10. PCB Diagram The red number connecter is not used. Motor RPM Feedback Temperature Sensor BLADE-H Step Motor MAIN PBA CONNECTOR Indoor Fan Motor Samsung Electronics 10-1...
The design and shape are subject to change according to the model. Air Inlet Temperature sensor Power(On/Off) button Air filter Air flow blades (under the grille) (outlet) Operation indicator (GREEN) Timer indicator (GREEN) Turbo indicator (RED) Power(On/Off) button 11-1 Samsung Electronics...
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11-1-2 Outdoor Unit Air Inlet(Rear) Air Outlet Connection Valve Samsung Electronics 11-2...
Automatic (rotated : Medium High Maximum Dry Mode Press the button on the remote control until is displayed. Fan Mode Press the button on the remote control until is displayed. 11-3 Samsung Electronics...
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After 30 minutes, the air conditioner is reset automatically to the previous setting. • You can select the Turbo function in the Auto, Cool and Heat mode. If you select this function in the Dry or Fan mode, the mode changes to the Auto mode. Samsung Electronics 11-4...
The compressor stops intermittently in a COOL mode or The compressor stops intermittently or the fan speed of the DRY mode, and fan speed of the indoor unit decreases. indoor unit decreases to prevent inside/outside air frozen depending on the inside/outside air temperature. Samsung Electronics 12-1...
AC200V ~ AC240V Problem with the outdoor unit or PCB outdoor unit remote control. • In 3 minutes, check the voltage No power source Problem with the relay (RY71) or PCB between the indoor unit terminal displayed. block N1 and 1. 12-2 Samsung Electronics...
1) Is input voltage normal? 2) Is AC power linked correctly? 3) Is input voltage of DC regulator IC KA7812 (IC01) normal? (11.8VDC-12.2VDC) 4) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) 2. Troubleshooting procedure Samsung Electronics 12-3...
4 WAY VALVE DRIVE* S TEPPING MOTOR DRIVE STEPPING MOTOR B UZZER DRIVE : BLADE UP/DOWN FLAP DC5V ON, OFF TIMER VOLTAGE REGULATOR SELECT TEMPERATURE SELECT(UP/DOWN) DC12V SMPS POWER BLOCK GOOD MORNING OPERATION AC INPUT 13-1 Samsung Electronics...
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Block Diagram DISPLAY PART REMOTECONTROL PART INDOOR FAN CONTROL PART AC/DC PART CONNECT C/W MAIN ZERO CROSSING PART BUZZER CONTROL PART Samsung Electronics 13-2...
: Only for "XAP", "XAX", "GEM" Buyer. ③ : Use the "③" digit for classification between indoor and outdoor. Indoor "N" & Outdoor "X". ④ : Use the “④” digit for KD models. "CKD" "1" & "SKD" "2". 14-1 Samsung Electronics...
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Note : • Please measure the refrigerant pressure after the air conditioner operates on testing cooling mode during more than 10 minutes. □ Indoor Temp. Variation : 20°C ~ 32°C □ Outdoor Temp. Variation : -5°C ~ 45°C Low Refrigerant Pressure Distribution **09** **12** Samsung Electronics 14-2...
It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems.
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Set up a sun blind over the outdoor unit and clear the neighboring obstacles from the outdoor unit to provide good ventilation. When it goes off frequently during a heat wave, it would prevent the turn-off and increase the cooling capacity cleaning the outdoor unit or spraying some water to the heat exchanger. Samsung Electronics 14-6...
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There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
Note : • If you have not used the air conditioner for a long period of time, set the fan going for three to four hours to dry the inside of the air conditioner thoroughly. • To close the upper front grille completely after cleaning filters, turn on and turn off the air conditioner. Samsung Electronics 14-8...
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3. Wash the filters with clean water, then dry them in the shade. Bio Filter 4. Insert the filters into the original position. Note : • You can change the position of filters with each other. 5. Close the front grille. 14-9 Samsung Electronics...
Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. Samsung Electronics 14-10...
3 way valve. And mount the service port cap to 3 way valve. Valve stem Stem cap 7) Check for gas leakage. (gas) - At this time, especially check for gas leakage from the 3 way valve's stem nuts, and from the service port cap. (liquid) Samsung Electronics...
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• Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. • Remove the mounting plate for the indoor unit and move it to a new location. Samsung Electronics 14-12...