DB98_20801A(1)_co 10/8/04 2:33 PM Page 1 AS09HPA AS12HPA CONTENTS Precautions 1 Product Specifications 2 Operation Instruction & Installation 3 Disassembly and Reassembly 10 Refrigerating Cycle Diagram 16 Feature & Operation 27 Set Up the Model Option 46 Troubleshooting 49 Exploded Views and Parts List 62 Block Diagram 67 PCB Diagram 68 Wiring Diagram 75 Schematic Diagram 77
DB98_20801A(1)_1 10/8/04 2:38 PM Page 1 1. Precautions 11) Cut off the power. ● Make sure to cut off the power before repair. If not, you may be damaged by an electric shock. 12) Do not install an outdoor unit on the apartment outside wall(or equivalent) for safety. ● Installing an outdoor unit on the apartment outside wall(or equivalent) is prohibited for the safety purpose.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 2 2. Product Specifications 2-1 Table Model Item AS09HPA Indoor unit Type Outdoor unit Outdoor unit Wall-mounted kW 2.70 3.50 Heating kW 2.90 3.80 Dehumidifying |/h 1.0 1.4 Cooling Air Volume Heating Performance Cooling Noise Heating Energy Efficiency Ratio Cooling Heating Power m3/min dB Operating Current 25 8.3 / 7.0 / 5.7 8.0 / 7.4 / 6.8 25 9.5 / 8.9 / 8.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 3 3.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 4 Operation Instruction & Installation 3-1-2 Outdoor Unit Air Inlet(Rear) Air Outlet Connection Valve 4 Samsung Electronics
DB98_20801A(1)_1 10/8/04 2:38 PM Page 5 3-2 Air Conditioner and Accessories The following accessories are supplied with the air conditioner. - The number of each accessory is indicated in parentheses.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 6 3-3 Installation 3-3-1 Before Installation Keep the air conditioner drain hose outlet and inlet free from its surroundings. In case of breakdown, keep the symmetry and fix it to prevent vibration. The pipe length shall meet the standard as far as possible. 3-3-2 Installation Procedure ■ Location Install the product in an area to guarantee the best cooling effect, convenience of piping and electric work, and inexistence of vibration or wind in the vicinity.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 7 3-4 Installation Diagram of Indoor Unit and Outdoor Unit 3-4-1 Air-Purge Procedure 1) Connect each assembly pipe to the appropriate valve on the outdoor unit and tighten the flare nut. Indoor unit Outdoor unit A Gas pipe side C B Liquid pipe side D 2) Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (3/8" Packed valve) as shown at the figure.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 8 Operation Instruction & Installation 3-4-2 Refrigerant Refill(R410A) Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using. 1) Purge air(for new installation only). 2) Turn the 3-Way valve clockwise to close, connect the pressure gauge (low pressure side) to the service valve, and open the 3-Way valve again.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 9 Operation Instruction & Installation 3-4-3 "Pump down" Procedure Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1) Remove the caps from the 2-Way valve and the 3-Way valve. 2) Turn the 3-Way valve clockwise to close and connect a pressure gauge (low pressure side) to the service valve, and open the 3-Way valve again. 3-Way Valve 2-Way Valve 3) Set the unit to cool operation mode.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 10 4. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cord before repairing the unit. 4-1 Indoor Unit No Parts 1 Panel Front Procedure Remark 1) Stop the air conditioner operation and shut off the main power. 2) Detach the Front Grille after pushing out it. 3) Loosen 1 of the right screw and detach the Ass'y display. 4) Loosen 1 of the right screw and detach the Terminal Cover.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 11 Disassembly and Reassembly No Parts Procedure Remark 6) Loosen 5 fixing screws of Panel Front. 7) Unlock 2 hooks to fix Panel Front and Tray Drain. 8) Unlock 2 hooks to fix Panel Front and Back Body. 2 Tray Drain 1) Detach the connected wire of Stepping Motor. 2) Pull Tray Drain out from the Back Body. 3 Heat Exchanger 1) Loosen 1 fixing earth screw of right side.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 12 Disassembly and Reassembly No Parts Procedure Remark 2) Detach the Connection Pipe. 3) Detach the Holder Pipe at the rear side. 4) Loosen 3 fixing screws of left Holder Evap. 5) Loosen 1 fixing screw of right Holder Motor. 6) Detach the Heat Exchanger from the indoor unit.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 13 Disassembly and Reassembly No Parts 4 Electrical Parts (Main PCB) 5 Fan Motor & Cross Fan Samsung Electronics Procedure Remark 1) Loosen 4 fixing screws of right Holder control. 2) Take all the connector of PCB upper side out.(Including Power Cord) 3) Detach the outdoor unit connection wire from the Terminal Block. 4) If pulling the main PCB up, it will be taken out. 1) Loosen 2 fixing screws and detach the Motor Holder.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 14 4-2 Outdoor Unit No Parts 1 Common Work Procedure Remark 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 screw 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_20801A(1)_1 10/8/04 2:38 PM Page 15 Disassembly and Reassembly No Parts 2 Fan & Motor 3 Heat Exchanger 4 Compressor Samsung Electronics Procedure Remark 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. 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.
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DB98_20801A(1)_1 10/8/04 2:38 PM Page 17 5-2 Refrigerant Cycle Characteristic 5-2-1 Capacity Distributions Capacity Distributions according to indoor and outdoor temperature variation. ■ COOLING MODE - Indoor Temp. Variation : 21.0˚C ~ 32.4˚C - Outdoor Temp. Variation : 25.0˚C ~ 45.0˚C ■ AS09HPA Cooling Capacity Distribution Indoor Temp.( C) Cooling Capacity(kW) 4.0 3.0 DB32.4 / WB24.0 DB30.6 / WB22.5 DB27.0 / WB19.0 2.0 DB24.0 / WB17.0 DB21.0 / WB15.0 1.0 25.0 35.0 45.0 Outdoor Temp.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 18 Refrigerating Cycle Diagram ■ HEATING MODE - Indoor Temp. Variation : 15.0˚C ~ 25.0˚C - Outdoor Temp. Variation : 1.0˚C ~ 20.0˚C ■ AS09HPA Heating Capacity Distribution Heating Capacity(kW) 4.00 Indoor Temp.( C) DB15.0 DB20.0 DB25.0 3.00 2.00 1.00 1.0/0.0 7.0/6.0 20.0/15.0 Outdoor Temp.(DB/WB C) ■ AS12HPA Heating Capacity Heating Capacity Distribution 6.00 Indoor Temp.( C) 5.00 DB15.0 DB20.0 DB25.0 4.00 3.00 2.00 1.00 0.00 1.0/0.0 7.0/6.0 20.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 19 Refrigerating Cycle Diagram 5-2-2 Power Consumption Distributions Power Consumption Distributions according to indoor and outdoor temperature variation. ■ COOLING MODE - Indoor Temp. Variation : 21.0˚C ~ 32.4˚C - Outdoor Temp. Variation : 25.0˚C ~ 45.0˚C ■ AS09HPA Power consumption Distribution(Cooling mode) Indoor Temp.( C) 1,100 DB32.4 DB30.6 DB27.0 DB24.0 DB21.5 Power consumption(W) 1,000 / / / / / WB24.0 WB22.5 WB19.0 WB19.0 WB15.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 20 Refrigerating Cycle Diagram ■ HEATING MODE - Indoor Temp. Variation : 15.0˚C ~ 25.0˚C - Outdoor Temp. Variation : 1.0˚C ~ 20.0˚C ■ AS09HPA Power consumption Distribution(Heating mode) Indoor Temp.( C) 1,050 Power consumption(W) DB25.0 950 DB20.0 DB15.0 850 750 650 1.0/0.0 7.0/6.0 20.0/15.0 Outdoor Temp.(DB/WB C) ■ AS12HPA Power consumption Distribution(Heating mode) Indoor Temp.( C) DB25.0 Power consumption(W) 1,500 1,400 DB20.0 1,300 DB15.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 21 Refrigerating Cycle Diagram 5-2-3 Capacity and Power Consumption Distributions Capacity and power Consumption distributions according to the length of connecting Pipe between indoor unit and outdoor unit. ■ COOLING MODE ■ AS09HPA Power consumption(Cooling) Cooling Capacity 1,100 Power consumption(W) Coooling Capacity(kW) 4 3 2 1 7.5 1,000 900 800 700 600 500 15.0 7.5 Length of Connecting Pipe(m) 15.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 22 Refrigerating Cycle Diagram ■ HEATING MODE ■ AS09HPA Power consumption(Heating) Heating Capacity 1,050 Power consumption(W) Heating Capacity(kW) 4.00 3.00 2.00 1.00 7.5 950 850 750 650 7.5 15.0 Length of Connecting Pipe(m) 15.0 Length of Connecting Pipe(m) ■ AS12HPA Power consumption(Heating) Heating Capacity 1,350 Power consumption(W) Heating Capacity(kW) 4.30 4.10 3.90 3.70 3.50 7.5 15.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 23 Refrigerating Cycle Diagram 5-2-4 Low Pressure Distributions ■ COOLING MODE - Indoor Temp. Variation : 21.0˚C ~ 32.4˚C - Outdoor Temp. Variation : 25.0˚C ~ 45.0˚C ■ AS09HPA Low Pressure Distribution(Cooling mode) Indoor Temp.( C) Low pressure(kg/cm G) 12.0 DB32.4 / WB24.0 DB30.6 / WB22.5 10.0 DB27.0 / WB19.0 DB24.0 / WB17.0 DB21.0 / WB15.0 8.0 6.0 25 35 45 Outdoor Temp.(DB C) ■ AS12HPA Low Pressure Distribution(Cooling mode) Indoor Temp.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 24 Refrigerating Cycle Diagram 5-2-5 Air Volume according to the RPM variation(High/Mid/Low) ■ Indoor Unit 10 9.5 9 8.5 8 7.5 7 6.5 6 5.5 5 High Mid Low 12,000BTU-Cooling-Vol. 12,000BTU-Heating-Vol. 19,000BTU-Cooling-Vol. 19,000BTU-Heating-Vol. RPM ■ Outdoor Unit The air volume is 25m3/min regardless of model.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 25 Refrigerating Cycle Diagram 5-2-6 Noise Level according to the RPM variation(High/Mid/Low) ■ Indoor Unit dB 41 39 37 35 33 31 29 27 High Mid Low 12,000BTU-Cooling-Noise 12,000BTU-Heating-Noise 19,000BTU-Cooling-Noise 19,000BTU-Heating-Noise RPM ■ Outdoor Unit Section AS09HPA AS12HPA Samsung Electronics Operation Noise(dB) Cooling 51 Heating 51 Cooling 53 Heating 53 Remark 25
DB98_20801A(1)_1 10/8/04 2:38 PM Page 26 5-3 Cautions Of using for R410A ■ HFCs 1. When installing or removing or servicing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle. 2. When evacuating an air conditioner, always use the vacuum pump and sufficiently evacuate an air conditioner. 3. Certainly use the specified lubricant(Polyol ester oil), valve and dryer. ■ Lubricants 1. Synthetic Oils : POE, PVE, PAG, AB 2. POE is made from Acid and Alcohol 1.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 27 6. Feature & Operation 6-1 The Feature of Key in remote control No 1 NAMED OF KEY FUNCTION OF KEY (On/Off) 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. (DOWN) Temperature adjustment button(DOWN). To decrease the temperature by the pressing the temperature button. 2 3 Mode selection button.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 28 The Feature of Key in remote control(cont.) No 9 10 NAMED OF KEY FUNCTION OF KEY Sound On/Off button. Press the button not to make a buzzer sound. 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 time display. 11 Off Timer button.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 29 6-2 Details for Operation Property 1. AUTO MODE : In this mode, operation mode(COOL, HEAT) is selected automatically by the difference between the setting and room temperature. 4. DRY MODE : Has 4 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.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 30 Feature & Operation 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.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 31 Feature & Operation 6-2-1 Cooling Mode Operating When selecting the Cooling Mode Operation, the unit will operate according to the setting temperature by the remote control and the operation is as well as the following. Room temperature can be set in 1°C steps in the range of 16 to 30°C. Room Temp.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 32 Feature & Operation 6-2-3 Automatic Operation When Automatic operation is set by the remote control, the air conditioner senses the difference between room temperature and setting temperature then automatically selects the operation mode and setting temperature. 1. In case of Heat pump model.
DB98_20801A(1)_1 10/8/04 2:38 PM Page 33 Feature & Operation ● Initial operating (Cooling/Heating) mode setup ● 1. When operation is on with the automatic mode at power reset, or when selecting the automatic mode at the other mode ● ● ● ● before, not the automatic mode. 1. 1) "Room Temperature ≥ Setting Temperature" 1. 1) ➞ Automatic cooling operation with the setting temperature as a target 1. 2) "Room Temperature < Setting Temperature" 1.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 34 Feature & Operation 6-2-4 Dry Operation Control ● Operation pattern ✳ Ts=Remote Control Set Temp. Room Temp.(˚C) (I-Mode) Ts+4 (II-Mode) Ts+3 Ts+2 (III-Mode) Ts+2 Ts Ts-1 (IV-Mode) ● Operation Specification ◆ 1. ON/OFF Time by Dry Modes 1 1 1 1 1 ◆ Operation Cycle(Min.) COMPOR & Outdoor Fan I-Mode II-Mode III-Mode ON Time 6 Min. 5 Min. 4 Min. OFF Time 4 Min. 5 Min. 6 Min.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 35 Feature & Operation 6-2-5 Sleeping Operation ● AT COOLING MODE When you set the sleep mode, the following movement will start to avoid over cooling. ◆ The indoor fan speed is fixed by setting the remote control. ◆ The setting temperature will rise by 1°C at the starting of operation and by 1°C 1 hour later. ◆ The operation will stop after 6 hours.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 36 Feature & Operation 6-2-6 Turbo Operation (Cooling or Heating Mode) If turbo operation is selected during heating or cooling mode, compressor is operated for 30 minutes regardless of room temperature. After 30minutes of turbo operation the unit will operate in normal state.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 37 Feature & Operation 6-2-7 Energy saving operation control ● In case of Cooling Only model l The Energy saving mode is applicable to only in both the COOL mode and AUTO mode. ● In case of Heat Pump model l The Energy saving mode is applicable to only in the COOL mode. ● Energy saving operation specification - If you select the Energy saving mode during automatic operation, the setting temperature(Ts) will be fixed to "the standard value +2°C"(26°C).
DB98_20801A(1)_1 10/8/04 2:39 PM Page 38 Feature & Operation 6-2-8 Indoor fan control in the Heating Mode Indoor fan is controlled depending on the temperature of indoor heat exchanger in the heating mode.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 39 Feature & Operation 6-2-9 Overload protection control ● AT HEATING MODE ◆ If indoor heat exchanger temp. is over 53°C, outdoor fan turns off. ◆ If indoor heat exchanger temp. is over 60°C, outdoor compressor stops and Indoor fan speed is low. ◆ After compressor and fan are off if indoor heat exchanger temp. is below 50°C, indoor fan and outdoor compressor and outdoor fan operate normally. Indoor Heat Exchanger Temp.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 40 Feature & Operation 6-2-10 Low Temp Release ● AT COOLING MODE ◆ If the temperature of indoor heat exchanger is below -1°C for over 6minutes, the outdoor fan turns off. ◆ If the temperature of indoor heat exchanger increase over 5°C during the first protection function, the first freezing protection function is released and the outdoor fan turns on.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 41 Feature & Operation 6-2-11 Defrost control Defrost operation is controlled by sensing the temperature of indoor heat exchanger. ◆ How to sense defrost conditions A condition The temperature of indoor heat exchanger is checked in intervals of 1 minute. In case the temperature of indoor heat exchanger drops more than 0.5°C for 6 minutes, it is considered as one cycle. If it happens 3 times continuously, It is said that "A condition" is satisfied.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 42 Feature & Operation 6-2-12 Auto Clean Mode 1. When the air conditioner is turned Mode On Off Operating time Auto, Cool, Dry 30 minutes Heat, Fan 15 minutes Auto, Cool, Dry Heat, Fan 30 minutes 2. Indoor Fan Airflow Control 2. After Heat Mode : Ultra Low(510 rpm) 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 43 Feature & Operation 6-2-13 Test Operation Method 1. Press the ON/OFF button of the indoor unit for at least 5 seconds. 2. Check the operation of the set mainly for the following points. ◆ 1) OPERATION MODE : COOLING ◆ 2) FAN SPEED : HIGH ◆ 3) AIR FLOW DIRECTION : SWING ◆ 4) DISPLAY : OPERATING LED ON ◆ 5) OUT DOOR LOAD : OUT FAN ON, COMP ON 3. Check if the set is in normal operation. 4. Press the ON/OFF button again to switch the power off.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 44 6-3 Circuit Description 6-3-1 Indoor Fan Control ZERO CROSSING PARTS ■ Use SSR(Solid State Relay) of Micom to change the ON Time until the 220V sine wave equals the fan motor rpm to control. In the meantime, the Zero Crossing part will recognize AC220V as 0V to determine the Switching Timing.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 45 Feature & Operation 6-3-2 Stepping Motor Control S1 M S4 S2 S3 ■ As shown in the above figure, let the electric currents in sequence flow through the 4 windings to revolve the stepping motor. Of 3 methods of 4 couple stepping switch sequence, 1 Phase Exciter Method, 2 Phase Exciter Method, and 1-2 Phase Exciter Method, the last method was adopted for this circuit.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 46 7. Set Up the Model Option 7-1 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 insert the battery again. 3rd Make sure the remocon display shown as button simultaneously and . 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 .
DB98_20801A(1)_1 10/8/04 2:39 PM Page 47 Set Up the Model Option 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 8 9 Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 7 10 10 11 Push the 12 button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 48 Set Up the Model Option ■ OPTION ITEMS REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 AS09HPA 0 2 8 0 2 5 1 2 1 2 2 8 AS12HPA 0 2 7 3 2 7 1 7 1 2 6 c MODEL 48 Samsung Electronics
DB98_20801A(1)_1 10/8/04 2:39 PM Page 49 8. Troubleshooting 8-1 Items to be checked first 1. The input voltage should be rating voltage ±10% range. The airconditioner may not operate properly if the voltage is out of this range. 2. Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables. Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 50 Troubleshooting 4. Indoor unit observes operation condition of the air conditioner, and displays self diagnosis details on the display panel. Error Mode LAMP 7-segment Display Indoor unit room temperature sensor error (open or short) Indoor unit heat exchanger temperature sensor error (open or short) Indoor fan motor malfunction EEPROM error Option error (option wasn't set up or option data error) 5.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 51 8-2 Fault Diagnosis by Symptom 8-2-1 No Power (completely dead)-Initial diagnosis 1. Checklist : 1) Is input voltage normal? 2) Is AC power linked correctly? 3) Is input voltage of DC regulator IC KA7805 (IC02) normal? (11VDC-12.5VDC) 4) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 52 Troubleshooting 8-2-2 Room temperature sensor failure Error Mode LAMP 7-segment Display Indoor unit room temperature sensor error(open or short) Detach the assembly sensor from the ASS'Y PCB CN43 connector and measure the sensor resistance with an ohmmeter (tester). Is the sensor resistance value 10KΩ ±3% at the room temperature of 25˚C? No ASS'Y Sensor Replace SENSOR Resistance Value : 20˚C-12.09kΩ SENSOR Resistance Value : 30˚C-8.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 53 Troubleshooting 8-2-3 Room Pipe sensor failure Error Mode LAMP 7-segment Display Indoor unit heat exchanger temperature sensor error(open or short) 1. Check the assembly condition of the sensor connector(CN43) on the indoor unit Main PCB and if not assembled, reassemble the connector accurately. 2. Detach the room pipe sensor connector(CN43) and check the resistance between connector 3 and 4.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 54 Troubleshooting 8-2-4 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) Error Mode LAMP 7-segment Display Indoor unit heat exchanger temperature sensor error(open or short) 1. Checklist : 1) Is the indoor unit fan motor properly connected with the connector (CN72)? 2) Is the AC voltage correct? 3) Is HALL IC in indoor fan motor properly connected with the connector (CN44)? 4) Is the running capacitor (CR71) properly connected with PCB board? 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 55 Troubleshooting 8-2-5 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) 1. Checklist : 1) Is input voltage normal? 2) Is the set temperature of the remote control higher than room temperature in COOL mode? 3) Is the set temperature of the remote control lower than room temperature in HEAT mode? 4) Is the POWER IN connector (CN71) linked correctly? 5) Is the outdoor unit properly connected with the TERMINAL BLOCK connector(N(1), 1, 2, 3)? 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 56 Troubleshooting 8-2-6 When the Up/Down Louver Motor Does Not Operate. (Initial Diagnosis) 1. Checklist : 1) Is input voltage normal? 2) Is the Up/Down louver motor properly connected with the connector (CN61)? 2. Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. No Is STD lamp blinking? Check as in the procedure "No Power".
DB98_20801A(1)_1 10/8/04 2:39 PM Page 57 Troubleshooting 8-2-8 When the remote control is not receiving 1. Check if the connector was normally assembled. 2. Put the set in operation and check the voltage of No. 15(+) and No. 16(-) of the main PCB CN91 while operating the remote control. When the voltage descends below 3V, the assembly module PCB is normal and the main PCB is poor. Then replace the main PCB. 3. Replace the assembly display PCB because the module PCB is poor if the voltage between No.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 58 8-3 PCB Inspection Method 8-3-1 Pre-inspection Notices 1. Check if you pulled out the AC power plug when you eliminate the PCB or front panel. 2. Don't hold the PCB side not impose excessive force on it to eliminate the PCB. 3. Don't pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB. 8-3-2 Inspection Procedure 1. Check connector connection and peeling of PCB or bronze coating pattern when you think the PCB is broken. 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 59 Troubleshooting 8-3-4 Temperature Sensor Feature Conversion Table(Room Temperature Sensor); 103AT Temperature Sensor Resistance Temperature Sensor Resistance Temperature Sensor Resistance Temperature Sensor Resistance [˚C] [˚C] [˚C] [˚C] [Kohm] [Kohm] [Kohm] [Kohm] 70 69 68 67 66 65 64 63 62 61 60 2.229 2.296 2.365 2.437 2.512 2.589 2.669 2.752 2.838 2.928 3.021 49 48 47 46 45 44 43 42 41 40 4.300 4.444 4.594 4.749 4.912 5.080 5.256 5.439 5.630 5.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 60 8-4 Main Part Inspection Method Part Room Temperature Sensor Room Fan Motor Breakdown Inspection Method Measure resistance with a tester Normal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C) *Refer to Table 8-4-4. Abnormal ∞, 0Ω . . . Open or Short Measure the resistance between terminals of the connector (CN72) with a tester.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 61 MEMO Samsung Electronics 61
DB98_20801A(1)_1 10/8/04 2:39 PM Page 62 9. Exploded Views and Parts List 9-1 Indoor Unit 17 14 6 14-1 15 11 7 14-2 14-3 12 23 14-4 3 16 14-5 18 23-1 14-6 3-1 3-2 19 13 3-4 9 9-2 10 21 23-2 3-3 9-3 18 20 9-1 1 1-1 5 4 2-5 2-4 8 1-3 2-1 2-5-1 2 2-6 2-2 1-2 22 2-3 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 63 Exploded Views and Parts List ■ Parts List Q'TY No. Code No.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 64 9-2 Outdoor Unit 21 22-1 22-6 23 22 22-7 22-4 15 22-2 2 22-5 11 24 7 12 3 1 10 14 6 20 18 22-3 17 16 8 19 13 4 5 9 64 Samsung Electronics
DB98_20801A(1)_1 10/8/04 2:39 PM Page 65 Exploded Views and Parts List ■ Parts List Code No.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 66 9-3 Ass'y-Control In : DB93-02804B ■ Parts List No. Code No. 1 DB61-02054A CASE-CONTROL ABS 1 2 DB65-00103C ASS'Y-TERMINAL BLOCK ASS'Y 1 3 DB93-02808B ASS'Y-MAIN PCB ASS'Y 1 4 DB93-02809A ASS'Y-MELODY PCB ASS'Y - 5 DB70-00516A PLATE-TERMINAL LOW SGCC-M T1.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 67 10.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 68 11.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 69 PCB Diagram ■ BOTTOM Samsung Electronics 69
DB98_20801A(1)_1 10/8/04 2:39 PM Page 70 PCB Diagram ■ Parts List Location No. Description Specification BD71 DIODE-BRIDGE DF06S,600V,1A,SMD-4,TP BZ61 BUZZER-PIEZO 85DB,-,-,2KHZ,- C101 CAP-AL 15uF,20%,450V,GP,TP,13x20mm,5m C102 CAP-CHIP 100nF+80-20%,50V,Y5V,TP,2012 C103 CAP-AL 1000uF,20%,25V,GP,TP,10x20.5 C104 CAP-CHIP 100nF,+80-20%,50V,Y5V,TP,2012 C105 CAP-AL 470uF,20%,16V,GP,TP,10x12.5,5 C106 CAP-CHIP 100nF,+80-20%,50V,Y5V,TP,2012 C107 C-CERAMIC,DISC 2.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 71 PCB Diagram ■ Parts List (cont.) Location No. Description Specification F701 FUSE-CLIP 250V,7.5A,30mohm FT71 SSU10V-1500 15MH,+50,-30% IC01 IC-PWM CONTROLLER TNY266,DIP,8P,300MIL,PLASTIC,-0.3/7 IC02 IC-POSI.ADJUST REG 78L05A,TO-92,3P,-,PLASTIC,4.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 72 PCB Diagram ■ Parts List (cont.) Location No. Description Specification R403 R-CHIP 6.8Kohm,5%,1/10W,DA,TP,2012 R404 R-CHIP 1Kohm,5%,1/10W,DA,TP,2012 R405 R-CHIP 330ohm,5%,1/10W,DA,TP,2012 R406 R-CHIP 330ohm,5%,1/10W,DA,TP,2012 R407 R-CHIP 6.8Kohm,1%,1/10W,DA,TP,2012 R408 R-CHIP 6.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 73 11-2 ASS'Y DISPLAY PCB : DB93-02806A ■ Parts List No. Description Specification Q'TY Remark 1 SNA 1 ASS'Y DISPLAY REFLECTOR 2 PCB-DISPLAY FR-4 T1.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 74 11-3 ASS'Y MODULE PCB : DB93-01369A ■ Parts List No. 74 Description Specification Q'TY Remark 1 PCB MODULE FR1 T1.6 1 SNA 2 CONNECTOR-HEADER BOX, 3P, 1R, 2mm, ANGLE, SN 1 SNA 3 C-CERAMIC, MLC-AXIAL 1nF, 10%, 50V, Y5P, TP, 1.9 x 3.5, - 1 SNA 4 DIODE-SWITCHING 1N4148, 100V, 200mA, DO-35, TP 1 SNA 5 C-CERAMIC, MLC-AXIAL 100nF, +80-20%, 50V, Y5V, TP, 3.
DB98_20801A(1)_1 10/8/04 2:39 PM Page 75 12. Wiring Diagram 12-1 Indoor Unit Code No : DB98-20360A This Document can not be used without Samsung's authorization.
DB98_20801A(1)_1 10/8/04 2:46 PM Page 76 12-2 Outdoor Unit C1 MOTOR CAPACITOR FM1 FAN MOTOR C2 COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB98-15123A This Document can not be used without Samsung's authorization.
DB98_20801A(1)_1 10/8/04 2:47 PM Page 77 13. Schematic Diagram 13-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_20801A(1)_1 10/8/04 2:47 PM Page 78 MEMO 78 Samsung Electronics
DB98_20801A(1)_1 10/8/04 2:47 PM Page 79 MEMO Samsung Electronics 79
DB98_20801A(1)_1 10/8/04 2:47 PM Page 80 MEMO 80 Samsung Electronics
DB98_20801A(1)_co 10/8/04 2:33 PM Page 2 ELECTRONICS This Training 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. Oct. 2004. Printed in Korea. Code No.