DB98_15924A(3)_co 4/6/04 3:16 PM Page 3 ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SH09AWH SH09ZWH AQ09WHWE KFR-25G/SWA SH12AWH SH12ZWH AQ12WHWE KFR-35G/SWA SH09AWHX SH09ZWHX UQ09WHWE KFR-25W/SWA SH12AWHX SH12ZWHX UQ12WHWE KFR-35W/SWA SERVICE AIR CONDITIONER Manual CONTENTS 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.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 1 1. Product Specifications 1-1 Table Model Item SH09AWH Indoor unit Type Outdoor unit Indoor unit Outdoor unit Wall-mounted Wall-mounted kW 2.75 3.5 Heating kW 2.90 4.2 Dehumidifying |/h 1.0 1.4 Cooling Cooling Air Volume Heating Performance Cooling Noise Heating Energy Efficiency Ratio Cooling Heating Power m3/min dB Operating Current 25 8.3 8.0 25 9.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 2 Table(cont.) Model Item SH09ZWH Indoor unit Type Outdoor unit Outdoor unit Wall-mounted kW 2.70 3.5 Heating kW 2.90 4.0 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 8.0 25 9.0 25 38 / 36 / 34 51 / 51 41 / 39 / 37 53 / 53 51 / 51 41 / 39 / 37 38 / 36 / 34 Cooling Cooling 3.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 3 Model Item AQ09WHWE Indoor unit Type Outdoor unit Indoor unit Outdoor unit Wall-mounted Wall-mounted kW 2.70 3.5 Heating kW 2.90 4.0 Dehumidifying |/h 1.0 1.4 Cooling Cooling Air Volume Heating Performance Cooling Noise Heating Energy Efficiency Ratio Cooling Heating Power m3/min dB Operating Current 25 8.3 8.0 25 9.0 25 38 / 36 / 34 51 / 51 41 / 39 / 37 53 / 53 51 / 51 41 / 39 / 37 38 / 36 / 34 Cooling Cooling 3.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 4 Table(cont.) Model Item KFR-25G / SWA Indoor unit Type Outdoor unit Outdoor unit Wall-mounted kW 2.65 3.5 Heating kW 2.90 4.0 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 Cooling 8.3 25 9.0 25 38 / 36 / 34 51 / 51 41 / 39 / 37 53 / 53 51 / 51 41 / 39 / 37 38 / 36 / 34 Cooling Length Power Cord 3.22 3.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 5 2. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cord before repairing the unit. 2-1 Indoor Unit No Parts 1 Front Grille Procedure Remark 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.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 6 Disassembly and Reassembly No Parts Procedure Remark 6) Unlock 2 hooks to fix Panel Front and Tray Drain. 7) Unlock 3 hooks to fix Panel Front and Back-Body. 6 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 of Ass'y Control-In. 3 Tray Drain 1) Pull Tray Drain out from the Back Body.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 7 Disassembly and Reassembly No Parts 4 Heat Exchanger 5 Fan Motor & Cross Fan Samsung Electronics Procedure Remark 1) 2) 3) 4) Loosen 2 fixing earth screws of right side. Detach the Connection Pipe. Detach the Holder Pipe at the rear side. 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.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 8 2-2 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 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_15924A(3)_1 4/6/04 2:59 PM Page 9 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.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 10 3.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 11 3-2 Refrigerating Cycle Characteristic 3-2-1 Capacity Distributions Capacity Distributions according to indoor and outdoor temperature variation. - Indoor Temp. Variation : 15.0˚C ~ 25.0˚C - Outdoor Temp. Variation : 1.0˚C ~ 20.0˚C ■ 9,000BTU 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.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 12 Refrigerating Cycle Diagram 3-2-2 Power Consumption Distributions Power consumption distributions according to indoor and outdoor temperature variation. - Indoor Temp. Variation : 15.0˚C ~ 25.0˚C - Outdoor Temp. Variation : 1.0˚C ~ 20.0˚C ■ 9,000BTU Power consumption Distribution(Heating mode) Indoor Temp.( C) 1,100 Power consumption(W) DB25.0 1,000 DB20.0 DB15.0 900 800 700 1.0/0.0 7.0/6.0 20.0/15.0 Outdoor Temp.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 13 Refrigerating Cycle Diagram 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. ■ 9,000BTU Power consumption(Heating) Heating Capacity 1,100 Power consumption(W) Heating Capacity(kW) 4.00 3.00 2.00 1.00 7.5 1,000 900 800 700 7.5 15.0 Length of Connecting Pipe(m) 15.
DB98_15924A(3)_1 4/6/04 2:59 PM Page 14 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 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. Feature 1 Display Setting Option SEG1.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 15 Set Up the Model Option Feature Display 6 Change it into the set display of Option SEG5 and SEG6 with the button. 7 Setting Option SEG5. Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 8 Setting Option SEG6. Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 16 Set Up the Model Option 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.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 17 4-2 Table of the option Code Option Code Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 2 5 0 2 5 7 0 3 4 0 2 5 0 2 5 7 0 0 c 8 2 5 0 2 5 7 0 0 F b SH12AWH SH12ZWH AQ12WHWE KFR-35G / SWA SH09AWH SH09ZWH AQ09WHWE KFR-25G / SWA Samsung Electronics 17
DB98_15924A(3)_1 4/6/04 3:00 PM Page 18 5. Troubleshooting Check the basic items first to judge if the problem was caused by breakdown or misuse. If none of the basic items are related to the problem, please scrutinize the machine according to the 'Breakdown Diagnosis by Symptoms' method. 5-1 Basic Breakdown Diagnosis Items 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.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 19 5-2 Trouble check in the initial status 5-2-1 Diagnosis and marking of the part in trouble. Please check the air conditioner operation status and write the check result in the chart in the room.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 20 5-3 Breakdown diagnosis by symptoms 5-3-1 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_15924A(3)_1 4/6/04 3:00 PM Page 21 Troubleshooting 5-3-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 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. Troubleshooting procedure After unplugging out the power cord should be reconnected within 5 seconds.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 22 Troubleshooting 5-3-3 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_15924A(3)_1 4/6/04 3:00 PM Page 23 Troubleshooting 5-3-4 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 parts".
DB98_15924A(3)_1 4/6/04 3:00 PM Page 24 Troubleshooting 5-3-5 In the HEAT mode, When there is no warm air current. Check this fist; 1. Checklist : 1) Is the set temperature of Remote Control lower than room temperature in Heat mode? 2) Is the Indoor PCB properly connected with the CN71 connector? 2. Troubleshooting procedure After training on, the heating operation should start in 5 minutes. No Is the number #38 of Micom (IC04) DC 5.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 25 Troubleshooting 5-3-6 Room temperature sensor failure LAMP OPERATION Description TIMER TURBO Indoor unit room temperature sensor error(open or short) : Lamp off : Lamp flickering 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.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 26 Troubleshooting 5-3-7 Room Pipe sensor failure LAMP OPERATION Description TIMER TURBO Indoor unit heat exchanger temperature sensor error (open or short) : Lamp off : Lamp flickering 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_15924A(3)_1 4/6/04 3:00 PM Page 27 5-4 PCB Inspection Method 5-4-1 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. 5-4-2 Inspection Procedure 1. Check connector connection and peeling of PCB or bronze coating pattern when you think the PCB is broken. 2.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 28 Troubleshooting 5-4-4 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_15924A(3)_1 4/6/04 3:00 PM Page 29 5-5 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 5-4-4. Abnormal ∞, 0Ω . . . Open or Short Measure the resistance between terminals of the connector (CN72) with a tester.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 30 6. Exploded Views and Parts List 6-1 Indoor Unit 6 7 1 1-2 1-7 1-1 1-8 1-3 1-5 2 1-4 1-6 4 9 2-1 2-3 2-2 5 5-1 3-6 3-8 3-8-1 3-4 5-4 3 3-1 3-7 3-2 5-2 5-3 3-5 3-3 8 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 31 Exploded Views and Parts List ■ Parts List Q'TY No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 32 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 33 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 34 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 35 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 36 6-2 Outdoor Unit 22 17-1 17-2 17-5 21 20 17 17-3 17-4 16 17-6 17-7 17-9 10 17-8 3 9 8 11 3-2 7 13 12 6 3-1 19 19-4 19-3 17-10 19-2 19-1 4 18 15 1 14 2 5 36 Samsung Electronics
DB98_15924A(3)_1 4/6/04 3:00 PM Page 37 Exploded Views and Parts List ■ Parts List Q'TY No. Code No. Description 1 DB90-01341A ASS'Y-CABI FRONT 2 DB63-00847A GUARD-FAN 3 DB90-01332A 3-1 Specification SH09AWHX SH12AWHX T0.7, SECD-P 1 1 PP, 378g 1 1 ASS'Y CABI SIDE LF ASS'Y 1 1 DB64-01094A CABI SIDE LF(COATING) T0.6, SECC-P 1 1 3-2 DB64-00992A HANDLE LF PP, 30g 1 1 4 DB90-01331A ASS'Y CABI SIDE RH T0.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 38 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No. Description 1 DB90-01341A ASS'Y-CABI FRONT 2 DB63-00847A GUARD-FAN 3 DB90-01332A 3-1 Specification SH09ZWHX UQ09WHWE SH12ZWHX UQ12WHWE T0.7, SECD-P 1 1 PP, 378g 1 1 ASS'Y CABI SIDE LF ASS'Y 1 1 DB64-01094A CABI SIDE LF(COATING) T0.6, SECC-P 1 1 3-2 DB64-00992A HANDLE LF PP, 30g 1 1 4 DB90-01331A ASS'Y CABI SIDE RH T0.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 39 Exploded Views and Parts List ■ Parts List(cont.) Q'TY No. Code No. Description Specification KFR-25W / SWA KFR-35W / SWA 1 DB90-01341A ASS'Y-CABI FRONT T0.7, SECD-P 1 1 2 DB63-00847A GUARD-FAN PP, 378g 1 1 3 DB90-01332A ASS'Y CABI SIDE LF ASS'Y 1 1 3-1 DB64-01094A CABI SIDE LF(COATING) T0.6, SECC-P 1 1 3-2 DB64-00992A HANDLE LF PP, 30g 1 1 4 DB90-01331A ASS'Y CABI SIDE RH T0.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 40 6-3 Ass'y-Control In(Code No : DB93-02481✳) Code No. DB93-02481L Code No. MODEL MODEL SH09AWH/EDC, SH12AWH/EDC, SH09ZWH/EDC, DB93-02481G KFR-35G/SWA SH12ZWH/EDC, AQ09WHWE/FES, AQ12WHWE/FES DB93-02481J KFR-25G/SWA DB93-02481C SH09ZWH/XSA, SH12ZWH/XSA DB93-02481E SH09ZWH/SER, SH12ZWH/SER, SH09ZWH/XFO, SH12ZWH/XFO ■ Parts List No. Code No.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 41 7.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 42 8. Wiring Diagram 8-1 Indoor Unit Code No : DB98-15138A This Document can not be used without Samsung's authorization.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 43 8-2 Outdoor Unit C1 MOTOR CAPACITOR FM1 FAN MOTOR C2 COMP CAPACITOR O.L.P OVER LOAD PROTECTOR Code No : DB98-15607A This Document can not be used without Samsung's authorization.
DB98_15924A(3)_1 4/6/04 3:00 PM Page 44 9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_15924A(3)_co 4/6/04 3:16 PM Page 2 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.
