Samsung AVMKH020EA4 Service Manual Download Page 226

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Samsung Electronics

Troubleshooting

11-40

Phenomenon

Check method

■

After operation over 40 minutes with the

test operation in cooling mode.

■

• T-discharge : 57˚C < 70˚C

■

• 44(T-cond)-33(T-subcool)=11˚C > 10˚C

• Discharge a some refrigerant from the outdoor unit by use of a

charging cylinder.

• After about an hour operation after refrigerant discharging, check the

S-NET. And assure whether it is out of the above conditions.

11-5-2 System refrigerant shortage

24103A(1)_2 12/23/05 12:57 PM Page 6-97

Summary of Contents for AVMKH020EA4

Page 1: ...is 70M SERVICE Manual For more information Please access to our service web site http itself sec samsung co kr AVMKH020EA4 AVMKH026EA4 AVMKH035EA4 AVMGH052EA4 AVMGH070EA4 AVMCH045EA4 AVMCH052EA4 AVMCH...

Page 2: ...e Specifications of Product 2 26 2 4 Accessories Options 2 27 13 Alignment and Adjustments 3 1 3 1 Error mode and check method 3 1 3 2 Setting Option Setup Method 3 4 3 2 1 PCB option code input metho...

Page 3: ...3 5 1 11 Wall mounted type 5 25 5 1 12 Ceiling type 5 29 5 2 Outdoor Unit 5 33 16 Wiring Diagram 6 1 6 1 Indoor Unit 6 1 6 1 1 1 Way cassette type 6 1 6 1 2 2 Way cassette type 6 2 6 1 3 4 Way cassett...

Page 4: ...diagram 8 9 19 PCB Diagram 9 1 9 1 Indoor Unit 9 1 9 1 1 1 Way cassette type 9 1 9 1 2 2 Way cassette type 9 3 9 1 3 4 Way cassette type 9 5 9 1 4 Duct type Low silhouette High pressure Built in 9 7 9...

Page 5: ...tte type 12 1 12 1 2 2 Way cassette type 12 2 12 1 3 4 Way cassette type 12 4 12 1 4 Duct type Low silhouette High pressure Built in 12 5 12 1 5 Duct type Slim 12 6 12 1 6 Wall mounted type 12 7 12 1...

Page 6: ...n 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 p...

Page 7: ...safety Current is measured according to ISO standard for energy efficiency 1 4 Disposing of the unit Before throwing out the air conditioner remove the batteries from the remote control When you dispo...

Page 8: ...ing to one direction thus immediate cooling Even more the stylish design blends with any interior design 2 Space saving Installation in the ceiling translates to more available space in the room 2 1 1...

Page 9: ...air filter prevent any penetration of fungi or bacteria into the system Double insulated cabinet Dual insulation of the steel cabinet inhibits rust caused by dew Detachable front grille Trouble free...

Page 10: ...h space and can be installed into a shallow ceiling Lift up drain pump The drain pump can lift condensed water up to 550mm above the drain port This allows more flexibility in routing the tube through...

Page 11: ...r Has a long life filter with antibacterial treatment Indicators Remote control sensor Indicators show you operation status Especially a filter indicator lets you know the time to clean the air filter...

Page 12: ...heating of two separate rooms Must use an additional ventilation fan 4 Fan speed adjustment Fan speed can be adjusted according to the ceiling height The fan speed control allows a wide variety of ai...

Page 13: ...ng life filter is equipped as standard accessory 3 Well fit application in the field of office hotel guest room small conference room and so on 4 The unit can be installed if there is a space of 270mm...

Page 14: ...g life filter is equipped as standard accessory 3 Well fit application in the field of office hotel guest room small conference room and so on 4 The higher fan speed possible through the high static p...

Page 15: ...equipped as standard accessory 3 Available hot water coil as optional accessory 4 Well fit application in the field of office home bed room hotel guest room and so on 5 Then unit can be installed if...

Page 16: ...n the field of office hotel guest room small conference room home bed room and so on 4 The unit can be installed if there is a space of 209mm above ceiling 5 The height of unit is lower than any other...

Page 17: ...xtends durability of the unit Heat Exchanger Heat Exchanger with antibacterial treatment prohibits proliferation of molds and bacteria remaining in the unit allowing cleaner storage conditions Antibac...

Page 18: ...prevents build up of dust A quick wipe or washing is all the cleaning necessary 4 Digital i Easy to view circular LED display Digital i a large circular LED display allows you to monitor the health o...

Page 19: ...ndicator for filter cleaning A filter cleaning indicator is displayed both on the indoor unit and the wired remote controller 3 The unit can be installed both Ceiling and Floor Ceiling type Ceiling in...

Page 20: ...r space Additionally it is suitable for installing in the narrow area such as the kitchen 3 Easy Installation The refrigerant piping length between the outdoor and indoor unit at one system is short I...

Page 21: ...259x144x539 Yes No Yes Option Yes Option Yes Yes 195 Yes 9 000 2 6 10 000 2 9 36 32 PFS040WTVE Cross fan 14 7 0 7 5 0 20 40 6 35 12 7 15 18 970x180x390 1 168x302x467 3 5 6 2 1 180x35x460 1 259x144x53...

Page 22: ...6 7 6 40 36 42 40 PFS040AVEB PFS040AVEB Cross Fan Cross Fan 14x2ea 14x2ea 14 16 14 16 0 38 0 40 70 75 9 52 9 52 15 88 15 88 21 21 25 25 890x230x575 890x230x575 1 077x642x299 1 077x642x299 4 4 8 8 1 03...

Page 23: ...067x134x1 067 Yes No Yes Option Yes Option Yes Yes 255 Yes 18 000 5 2 19 000 5 6 38 35 OSME 336SAC S800C Turbo fan 26 16 0 18 1 0 5 110 9 52 15 88 26 31 840x230x840 939x324x923 5 0 10 950x42x950 1 067...

Page 24: ...s fan Cross fan Cross fan 58 72 85 26 1 28 4 28 3 30 9 28 9 32 3 0 71 0 73 0 78 160 164 172 EEV Electronic Expansion Valve 9 52 9 52 9 52 19 05 19 05 19 05 VP 25 external diameter 32 internal diameter...

Page 25: ...es Option Yes Option Yes No 270 Yes Option 18 000 5 2 19 000 5 6 35 33 OSME1004SAC Sirocco 51 15 15 5 0 77 145 9 52 15 88 41 44 1 340x260x600 1 514x389x749 Yes No Yes Option Yes Option Yes No 270 Yes...

Page 26: ...6SAC S816 Sirocco Sirocco Sirocco 189 210 214 29 30 32 33 35 35 4 2 52 2 76 2 76 540 600 600 EEV Electronic Expansion Valve 9 52 9 52 9 52 19 05 19 05 19 05 VP25 external diameter 32 internal diameter...

Page 27: ...Yes Option Yes Option Yes No 310 Yes Option 12 000 3 5 13 000 3 8 41 38 OSME 414SAC S304 Sirocco 44 10 10 5 0 57 125 6 35 12 7 27 31 550x300x800 747x378x911 Yes No Yes Option Yes Option Yes No 310 Yes...

Page 28: ...Yes No 209 Yes Option Yes Option 9 600 2 8 11 000 3 2 38 35 YSK110 25 4PGSM Sirocco 27 10 0 4 80 6 35 12 7 26 31 900x199x600 1 133x333x722 Yes No Yes Option Yes Option Yes No 209 Yes Option Yes Optio...

Page 29: ...es No Yes Option Yes Option Yes Yes No 9 600 2 8 11 000 3 2 40 37 YDK 16S4D8C 1 Cross fan 11 6 2 7 2 0 18 30 6 35 12 7 8 0 10 5 795x258x179 854x323x237 Yes No Yes Option Yes Option Yes Yes No 12 300 3...

Page 30: ...40 45 40 OSME 254SAC OSME 254SAC Cross fan Cross fan 47 47 14 14 5 18 18 5 0 33 0 35 72 77 EEV Electronic Expansion Valve 9 52 9 52 15 88 15 88 Internal Diameter 18 Hose 22 22 26 26 1 000x200x650 1 0...

Page 31: ...7 C DB 19 C WB Outdoor temperature 35 C DB Equivalent refrigerant piping 7 5m horizontal 2 Nominal heating capacities are based on Indoor temperature 20 C DB Outdoor temperature 7 C DB 6 C WB Equivale...

Page 32: ...unning Current Power Input Cooling Heating Cooling Heating Lubricant Type Charging Connecting Pipe Piping Limitation Liquid Gas Others Max Length Max Height 1 Nominal cooling capacities are based on I...

Page 33: ...or inlet Size Net Noise The number of maximum indoor units Compressor Weight Net Design Control Box Fan Item RVMH060GBM0 RVMMH160GZ Mini DVM 3 Tab Control 2 88 3 46 PVC FELT 932 x 1 128 x 375mm 54dB 9...

Page 34: ...igures Color G Gray I Ivory Language E English only C Chinese A Arabic M 8 Languages U 3 Languages F Inch S Mexico Version MGKH118IE0 Overseas For 1 Way Cassette Heat pump English MGCH095IM Overseas F...

Page 35: ...00 MIM Interface Module Applicable part A Indoor unit B Outdoor unit C Others Version Language None 9 Languages C Chinese MIM B04 Centralized controller interface module up to 30 0HP outdoor unit MIM...

Page 36: ...tection of an error Error Display Remarks Contents SEG 1 SEG 2 3 4 NUMBER 101 200 Communication error between the indoor unit and the Panel Communication error outdoor usable to communicate Indoor uni...

Page 37: ...lated error OUT TEMP SENSOR OPEN SHORT sensor error COND OUT TEMP sensor error OPEN SHORT COND MID TEMP sensor error OPEN SHORT COND MID sensor breakaway of outdoor unit COND OUT breakaway PWM DISCHAR...

Page 38: ...between wired remote controller and indoor unit Communication error between master wired remote controller and slave wired remote controller 7 Day Scheduler Wired LED CAUR Communication error Wired LE...

Page 39: ...Step 2 Method If the first digit of remote controller shows 0 go to the step 3 If it shows 1 press the operation selection button one time to change it into 0 and then go to step 3 Step 3 Method Input...

Page 40: ...adjustment button down example 021E31142285 Result If 1 is displayed go to the step 5 Step 5 Method Input the fourth digit of option code by pressing the fan speed adjustment button example 021E311422...

Page 41: ...ys go to step 8 Step 8 Method After completion up to step 7 pressing mode button 1 7 steps are saved internally If the first number is 1 at the time it is correct So go to step 9 If wanting to see the...

Page 42: ...the temperature adjustment button down example 021E31142285 Result If 2 displays go to step 11 Step 11 Method Input the tenth digit by pressing fan speed adjustment button example 021E31142285 Result...

Page 43: ...lay of remote controller Operation mode SET TEMP fan speed displays Error If the On Off Timer and Fan indicator is flickering the wrong option code is input Put off the power of indoor unit and turn i...

Page 44: ...0 0 0 0 1 5 2 0 0 1 6 4 0 0 0 0 1 5 2 0 0 1 9 4 0 0 0 0 1 5 2 0 0 1 c 4 0 0 0 0 1 5 2 0 1 1 2 0 0 E A 0 1 5 2 0 1 1 2 0 2 2 c 0 1 5 2 0 1 1 2 0 3 A 0 0 d 6 4 0 0 1 3 2 0 b 7 0 d 6 4 0 0 1 4 2 0 b 7 0...

Page 45: ...Open the Front Grille by pushing the tabs on the Grille You must give attention when disassembling the Front Grille and must check the safety clips have been installed If you don t ensure them the Fro...

Page 46: ...onics Disassembly and Reassembly No Parts Procedure Remark 2 Front Panel 1 Disassemble the screws holding the Panel as shown picture 2 Separate the Front Panel pressing the 2 hooks on the both sides o...

Page 47: ...lectronics 4 3 Disassembly and Reassembly No Parts Procedure Remark 3 Ass y Drain Panel 1 Disassemble screws for Ass y Drain Panel around as shown in pictures 2 Separate Ass y Drain Panel as shown in...

Page 48: ...isassembly and Reassembly No Parts Procedure Remark 4 Ass y Control In 1 Separate the Control Cover after disassembling screws as shown in pictures 2 Separate the wire connection part of the Ass y Mai...

Page 49: ...embly and Reassembly Samsung Electronics 4 5 No Parts Procedure Remark 3 Disassemble screws of Case Control as shown in pictures 4 Disassemble indicating screw 5 Separate Ass y Case Control part pulli...

Page 50: ...msung Electronics No Parts Procedure Remark 6 Disassemble indicating screw and separate earth cable 7 Disassemble indicating screw and separate Terminal Cover as shown in pictures 8 Disassemble indica...

Page 51: ...arts Procedure Remark 5 Ass y Drain Panel Sub 9 Disassemble indicating screws of earth cable and indicating screw of Base Terminal 10 Separate Base Terminal as shown in picture 1 Separate Ass y Drain...

Page 52: ...s No Parts Procedure Remark 6 Ass y Evap 1 Disassemble the screws of Ass y Evap around 2 Disassemble indicating screws as shown in picture and separate Ass y Cabinet Side LF B 3 Separate Ass y Evap pu...

Page 53: ...8 Ass y Cross Fan Ass y Drain Pump 1 Disassemble the screws of Cover Fan Motor and separate Cover Fan Motor 2 Separate Ass y Cross Fan as shown in picture 1 Disassemble indicating screws as shown in p...

Page 54: ...ter 1 Press the PUSH 2 Front Grille Disassembly 1 Open the Front Grille and pull it up to the direction in the picture 2 Detach the Safety Clip 3 Filter Disassembly 1 Detach the Filter by disassemblin...

Page 55: ...ark point in the picture and detach the Cover from the Panel with pushing the hook 6 Detach the connection wires of Step Motor and the receive part from the wire of a Main Body 7 Widen the both hooks...

Page 56: ...Case Control and screw of Thermistor Wire and holder 2 Push the hook and pull the knob of a Case 3 Detach the indoor and outdoor connection wire cable connected to the Terminal 4 Detach the Fan Motor...

Page 57: ...rew 3 screws connected to the main body and Cover Side 2 Detach the Cover Side if from the Main Body 3 Unscrew 16 screws connected to the Drain Pan and the Main Body Mark 4 Detach the Drain Pan from t...

Page 58: ...d detach the Heat Exchanger from the main body by pushing it to the direction of Drain 3 Unscrew 4 screws of Cover Motor and Evap Guide connected to the Case Motor 2 After detaching the Cover Motor by...

Page 59: ...15 No Parts Procedure Remark 5 Drain Pump 1 Detach the Drain Hose connected to the Drain Pump by loosening the spring 2 Unscrew 4 screws connected to the Holder Pump and Drain Pump 3 After connector...

Page 60: ...Parts Front Panel 1 In case of the other parts detach it like a picture when necessary 1 Unscrew 2 screws of the Holder Motor fixed on the Panel and detach the Holder Motor The Panel and detach the Ho...

Page 61: ...d detach the case from the Panel 5 When detaching the PCB from the Case unscrew the 6 screws and push the hook at the mark 6 When detaching the blade detach the opposite side first of Step Motor after...

Page 62: ...llecting Filter 1 Push the tap on the Front Grille to open it 2 Disassembly of Front Grille 1 Open the Front Grille at about 45 degrees and draw it forward 2 Disassemble the safety clip 3 Filter Disas...

Page 63: ...wly 5 Loosen the bolt of the front net to disassemble the safety net 6 Loosen the bolt on the Electronic Component part cover to uncover the Electronic Component part cover 7 Disassemble the cables be...

Page 64: ...hooks on both sides of the indoor unit and disassemble the Front Panel 9 Take away the disassembled Panel out of the Main Body 1 Disconnect all the indoor and outdoor cables connected to the Terminal...

Page 65: ...arts Procedure Remark 3 Disassemble the ground wire 4 Disassemble the float switch wire connected to the Terminal Port F1 F2 5 Loosen the bolts in the mark 6 Loosen a bolt in the arrow direction and i...

Page 66: ...asher Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the washer Take out the w...

Page 67: ...g Electronics 4 23 No Parts Procedure Remark 4 Ass y Drain Pump 12 Loosen nuts to disassemble the Motor 1 Loosen the bolts of the Drain Pump 2 Disassemble the hose from the Drain Pump 3 Disassemble th...

Page 68: ...1 Disassemble the cover pipe beside the Main Body 2 Loosen the bolts fixing the Heat Exchanger to the indoor unit Base 3 Disassemble the fixing brackets of the Heat Exchanger to disassemble it from th...

Page 69: ...rk 7 Front panel Stepping Motor 1 Loosen each one of fixing screw at the corner part 1 cushion side A and cushion side B inside the Front Panel and then lift it up 2 Remove 1 the screw of housing moto...

Page 70: ...te Handle places by use of screw as shown in 2 2 Turn the Plate Handle by hand when removing the Filter Pre 3 When pulling the Filter Pre handle the Filter Pre can be assembled Be sure to remove the c...

Page 71: ...ts Procedure Remark 2 Disassemble indicating screws 3 Detach the sensor holder from the Ass y Fan case 4 Detach from Ass y Control in the capacitor connection wire between the Motor Fan in and Housing...

Page 72: ...Remark 3 Ass y Control In 1 After disassembling indicating screw detach the Cover Control 2 Detach the Motor Fan in and Sensor Connector connected to PCB 3 Hold the Ass y Control In by hand to lift u...

Page 73: ...ing screws to detach Ass y Drain Pan screws each at left and right side Work is possible when disassembling the Ass y Drain Pan 1 Disassemble indicating screws each at left and right side 2 Disassembl...

Page 74: ...Electronics No Parts Procedure Remark 4 After disassembling indicating screws 5 Pull the Cabinet Side LF RH by hand to disassemble 6 Separate indicating screws each at left and right side 7 Detach it...

Page 75: ...When connecting canvas to the discharge side 1 Disassemble indicating screws each at left and right side 2 Disassemble indicating screws each at upper and lower side After connecting canvas to the dis...

Page 76: ...bly of the Electric Component box 1 Disassemble screw for fixing the Electric Component Box Cover 2 Check internal connection of the Electric Component Box 3 Separate the wire connection part of the E...

Page 77: ...Disassembly and Reassembly Samsung Electronics 4 33 No Parts Procedure Remark 2 Fan Motor 1 Separate the screws fixed on the unit Base 2 Separate Blower Ass y from the unit...

Page 78: ...rk 3 Heat Exchanger Drain Board 1 Disassemble the screws on side part then Cabinet and the unit are separated 2 It is possible to clean the surface of Heat Exchanger and Drain Board 3 After cleaning H...

Page 79: ...ectronics 4 35 No Parts Procedure Remark 4 Cleaning a Filter 1 Remove Bracket for fixing Filter screws disassembly 2 Clean the filter with removing downward 3 After cleaning the Filter insert and fast...

Page 80: ...n 1 Disassemble the indicating screws 2 Remove the Filter as shown in picture 1 Separate the control Cover Control after disassemble the indicating screws 2 Separate the wire connection part of the As...

Page 81: ...mark 3 Ass y Drain Panel 3 Disassemble the indicating screws 4 Hold the Ass y Control In by hand to lift up and remove it as shown in picture 1 Disassemble the indicating screws and separate the Cabin...

Page 82: ...Disassembly and Reassembly No Parts Procedure Remark 4 Ass y Evap 3 Separate the Ass y Drain Panel as shown in picture 1 Disassemble the indicating screw and separate wire and Cover Pipe 2 Disassembl...

Page 83: ...Electronics 4 39 Disassembly and Reassembly No Parts Procedure Remark 5 Ass y Blower 3 Separate the Ass y Evap from the set 1 Disassemble the indicating screws 2 Pull up Ass y Blower and separate it f...

Page 84: ...Cabinet Top Motor Unscrew 8 screws 2 Disassemble 2 Cover Blower Uppers After unscrewing 2 screws Disassemble the Cover Blower Upper with pushing its hook 3 Disassemble the Cover Control Unscrew 2 scre...

Page 85: ...5 Disassemble the Motor earth wire connected to the Partition Unscrew a screw 6 Disassemble the band Motor for fixing the Motor Unscrew 2 screws 7 After disassembling the Motor and Blower for the set...

Page 86: ...t Unscrew 6 screws 3 Disassemble the Drain Cushion from the set The Evaporator should be disassembled after disassembling the Cover Control 1 3 and the Drain Pan 2 1 2 2 2 3 1 Disassemble the Cover Pi...

Page 87: ...isassemble the Support Evap RH Unscrew 2 screws 5 Disassemble the Evaporator form the set The Control In should be disassembled after disassembling the Cover Control 1 3 1 Disassemble all Control Wire...

Page 88: ...assembling the Case Control disassemble the Case Control from the set after unscrewing the screw connected to the direction of Blower Disassemble if after disassembling the Cabinet Top Motor 1 1 5 In...

Page 89: ...own then disassemble it by pulling it forwards 4 Open the upper Front Grille by pulling right and left sides of the Grille 5 Take the left and right Filter out 6 Loosen one of the right screw and deta...

Page 90: ...Panel Grille with the thumb to remove the hook And press the right of the upper side of the Panel Grille with the fingers And then disassemble the Panel Grille 1 Take all the connector of PCB upper s...

Page 91: ...2 Detach the Connection Pipe 3 Detach the Holder Pipe at the rear side 4 Loosen 3 fixing screws of right and left side 5 Detach the Heat Exchanger from the indoor unit 1 Loosen 2 fixing screws and det...

Page 92: ...ics No Parts Procedure Remark 1 Electrical Part 1 Open the Grille by pressing 3 position center and both side 2 Remove the air inlet Grille 3 Open the cover of Electrical Component Box by removing the...

Page 93: ...ssembly and Reassembly Samsung Electronics 4 49 No Parts Procedure Remark 2 Fan Motor 1 Remove the screw and untie earth wire of Motor 2 Disconnect of housing of Motor wire 3 Disconnect the Capacitor...

Page 94: ...sembly 4 50 Samsung Electronics No Parts Procedure Remark 4 Remove the Guard Safety by removing the screws 5 Remove the upper case of Fan 2EA 6 Remove the screws what is fix the Motor 7 Remove the Fan...

Page 95: ...re Remark 3 Drain Pan 8 Loosen the set screw using 3mm wrench 9 Remove the Fan 1 Disconnect the Display PCB wire as shown in picture white housing 2 Disconnect the Step Motor wire as shown in picture...

Page 96: ...ics No Parts Procedure Remark 4 Remove the screws of Front Side 5 Disassemble the assembly Front Cover Part 6 Disconnect the Step Motor wire as shown in picture 7 Remove the wire clamp fixed in Base P...

Page 97: ...ng Electronics 4 53 No Parts Procedure Remark 9 Remove the screw what is fix with Base Part and Drain Pan upper side 2EA 10 Remove the screw what is fix with Base Part and Drain Pan lower side 2EA 11...

Page 98: ...1 Disconnect the Thermistor wire as shown in picture white housing 2 Remove the screws shown in picture 3 Remove the screws shown in picture and remove Plastic Part white 4 Remove the screws shown in...

Page 99: ...Disassembly and Reassembly Samsung Electronics 4 55 No Parts Procedure Remark 6 Remove the screws as shown in picture 7 Remove Plastic Cover as shown in picture 8 Remove the Evaporator assembly...

Page 100: ...ide of Front Cover assembly as shown in picture 2 Remove the screws as shown in picture 3 Disassemble the Blade and Stepping Motor assembly and remove the screws Stepping Motor 1 Remove the screws in...

Page 101: ...Parts Procedure Remark 1 2 Outdoor Control Box 1 Outdoor unit of a package airconditioner 2 Separate a front tightening part 3 Separate the tightening part from side 1 The connection status of Control...

Page 102: ...the unit 2 Remove the Top Cover 3 Remove the Control Box cover 4 Pull out the assembly cable 5 Remove the side of Cabinet 6 Remove the front side of Cabinet When assembling the parts check whether ea...

Page 103: ...Samsung Electronics 5 1 1 4 5 15 23 16 19 17 18 6 20 21 13 12 8 14 2 24 22 2 3 7 14 1 14 14 3 11 10 9 25 5 Exploded Views and Parts List 5 1 Indoor Unit 5 1 1 1 Way cassette type Body...

Page 104: ...CROSS FAN MOTOR FAN IN HOUSING MOTOR COVER FAN MOTOR CASE CONTROL ASS Y MAIN PCB IN COVER CONTROL ASS Y EVAP ASS Y EVAP SPACER EVAP THERMISTOR ASS Y THERMISTOR EVAP BRACKET TERMINAL BASE TERMINAL TERM...

Page 105: ...Exploded Views and Parts List Samsung Electronics 5 3 4 6 3 1 5 7 8 10 9 11 2 5 1 2 1 Way cassette type Panel...

Page 106: ...Y MSFCC20A05 HIPS UL94 V0 HIPS UL94 V0 HIPS UL94 V0 HIPS UL94 V0 P P DB63 00164A DB66 00160A DB66 00157A DB63 00163A DB93 01021A DB31 10153D DB61 00535A DB64 00234B DB66 00159C DB64 00243B DB64 00244...

Page 107: ...oded Views and Parts List Samsung Electronics 5 5 3 2 11 1 5 12 8 9 5 1 5 2 3 1 3 2 1 3 1 1 1 5 4 20 23 22 8 9 12 18 16 17 19 13 24 21 10 11 14 15 25 7 6 1 4 1 2 1 7 1 6 1 8 5 1 3 2 Way cassette type...

Page 108: ...A ASS Y TUBE COLLECTOR 15 88 1 SNA 5 2 DB96 03707A ASS Y INLET PART 9 52 1 SNA DB96 03706A ASS Y INLET PART 9 52 1 SNA 6 DB94 00040S ASS Y C F FAN 95 8 ranks AS G F 20 2 2 SA 7 DB31 00241A MOTOR ASS Y...

Page 109: ...Exploded Views and Parts List Samsung Electronics 5 7 18 13 7 11 12 2 3 17 15 16 19 9 6 10 8 20 1 14 4 5 5 1 4 2 Way cassette type Panel...

Page 110: ...PP 4 8 DB66 00755A LATCH DC ASS Y 3 9 DB63 00676A COVER PANEL HIPS 1 10 DB70 00031A PLATE HANGER STS304 2 11 DB31 10153D MOTOR STEP ASS Y 2 12 DB61 00535A HOLDER MOTOR HIPS V0 BLK 2 13 DB39 00874C C W...

Page 111: ...Exploded Views and Parts List Samsung Electronics 5 9 1 2 4 7 5 6 8 9 3 10 11 12 13 14 15 16 18 25 24 19 20 17 22 21 28 23 27 26 29 30 31 32 33 34 35 5 1 5 4 Way cassette type Body 4 5kW 14 0kW...

Page 112: ...S Y CABINET FRONT ASS Y CABINET BACK ASS Y CABINET BACK CABINET SIDE CABINET SIDE ASS Y COVER PIPE ASS Y HOSE DRAIN ASS Y COVER DRAIN ASS Y EVAP UNIT PARTITION FRONT EVAP PARTITION FRONT EVAP HOLDER E...

Page 113: ...BO ASS Y CABINET FRONT ASS Y CABINET BACK CABINET SIDE ASS Y COVER PIPE ASS Y HOSE DRAIN ASS Y COVER DRAIN ASS Y EVAP UNIT PARTITION FRONT EVAP HOLDER EVAP ASS Y BASE CUSHION CUSHION FAN CLIP BRUSH AS...

Page 114: ...MEMO 5 12 Samsung Electronics...

Page 115: ...Exploded Views and Parts List Samsung Electronics 5 13 28 28 16 15 30 28 1 18 13 12 14 31 11 7 17 28 28 23 21 22 10 28 18 30 29 29 4 5 6 8 29 3 26 9 27 19 20 25 28 2 24 5 1 6 4 Way cassette type Panel...

Page 116: ...15 DB69 00948A CUSHION OUT EPS 4 16 DB63 01014A COVER A HIPS 1 17 DB63 01015A COVER B HIPS 1 18 DB63 01016A COVER C HIPS 2 19 DB64 01144A GRILLE AIR INLET HIPS 1 20 DB74 00002A FILTER AIR COMPOSITION...

Page 117: ...Exploded Views and Parts List Samsung Electronics 5 15 5 1 5 2 5 3 5 4 5 5 5 6 19 1 19 2 19 3 19 4 19 5 1 2 3 4 5 6 7 8 9 10 11 12 13 18 14 15 16 17 20 19 5 1 7 Duct type Low silhouette...

Page 118: ...T INLET LF PLATE HANGER LF ASS Y EVAP ASS Y EVAP ASS Y EVAP ASS Y CABINET INLET RH ASS Y CABINET SIDE RH PLATE HANGER RH CABINET SIDE RH B ASS Y HOLDER OUTLET ASS Y COVER BOTTOM PLATE HANDLE FILTER PR...

Page 119: ...Exploded Views and Parts List Samsung Electronics 5 17 1 11 5 3 10 1 10 5 10 3 9 10 10 2 10 6 2 4 12 3 12 2 12 1 12 12 6 12 4 12 5 12 8 12 9 12 7 6 7 8 11 10 4 5 1 8 Duct type High pressure...

Page 120: ...ET SIDE RH B ASS Y CABINET SIDE RH A COVER CONTROL ASS Y CONTROL IN ASS Y CONTROL IN ASS Y CASE CONTROL TRANS POWER TERMINAL BLOCK 6P TERMINAL BLOCK 4P ASS Y PCB MAIN HOLDER WIRE ASS Y BRACKET OUTLET...

Page 121: ...1 31 9 31 4 31 6 7 31 5 24 27 28 29 30 25 31 3 31 2 11 14 21 23 22 5 1 9 Duct type Built in Options No Code No Description Specification SA SNA Q TY 32 33 34 35 DB67 00145A DB69 00137B DB61 00697A DB...

Page 122: ...T ASS Y TUBE EVAP IN ASS Y TUBE EVAP IN VALVE EXPANSION COIL VALVE EXPANSION COIL ASS Y DRAIN PAN CABINET TOP FILTER ASS Y COVER PIPE ASS Y CABINET SIDE RH HOLDER PIPE COVER HOLDER COVER BRACKET DRAIN...

Page 123: ...ABINET TOP ASS Y EVAP BRACKET EVAP LF BRACKET EVAP RH ASS Y TUBE EVAP OUT ASS Y TUBE EVAP IN VALVE EXPANSION COIL ASS Y DRAIN PAN CABINET TOP FILTER ASS Y COVER PIPE ASS Y CABINET SIDE RH HOLDER PIPE...

Page 124: ...MEMO 5 22 Samsung Electronics...

Page 125: ...Exploded Views and Parts List Samsung Electronics 5 23 23 8 13 9 12 14 2 16 18 17 1 6 15 21 11 24 25 4 5 22 10 3 8 7 19 20 23 4 23 7 23 5 23 6 23 3 23 8 23 1 23 2 5 1 10 Duct type Slim...

Page 126: ...PPORT EVAP RH ASS Y 1 1 1 SNA 15 DB94 00768A ASS Y PARTITION ASS Y 1 1 1 SA 16 DB61 02282A BRACKET MOTOR SGCC M T2 0 1 1 1 SA 17 DB99 00669A BAND MOTOR SINYA 4 4 4 SA 18 DB31 00312A MOTOR SINYA SSR PI...

Page 127: ...d Views and Parts List Samsung Electronics 5 25 4 6 15 1 15 3 15 2 15 5 15 4 15 6 2 11 5 1 1 1 2 1 1 3 1 1 4 1 1 5 1 1 6 15 1 4 1 3 1 2 1 1 1 1 1 3 3 1 7 10 7 2 7 3 7 1 8 9 13 14 12 5 1 11 Wall mounte...

Page 128: ...3 00590C FILTER AIR LF PP 1 1 4 DB63 00586C FILTER AIR RH PP DB63 00591C FILTER AIR RH PP 1 2 DB92 00491C ASS Y GRILLE LOW ASS Y DB92 00526A ASS Y GRILLE LOW ASS Y 1 3 DB96 02383F ASS Y EVAPORATOR TOT...

Page 129: ...A HOLDER PIPE HIPS DB61 01121A HOLDER PIPE HIPS 1 15 DB94 00305C ASS Y TRAY DRAIN ASS Y DB94 00429F ASS Y TRAY DRAIN ASS Y 1 15 1 DB63 00587A TRAY DRAIN HIPS DB63 00592B TRAY DRAIN HIPS 1 15 2 DB94 00...

Page 130: ...MEMO 5 28 Samsung Electronics...

Page 131: ...rts List Samsung Electronics 5 29 14 7 43 37 29 4 23 18 6 41 40 36 34 32 1 38 19 20 16 24 42 13 15 39 30 26 28 27 3 25 46 33 44 1112 22 21 17 8 31 35 2 5 9 10 45 45 6 45 1 45 2 45 8 45 7 45 3 45 4 45...

Page 132: ...01156A BRACKET OUTLET ABS 1 1 SNA 18 DB31 00158A BLADE V ABS 12 12 SA 19 DB31 00159A BLADE CONNECTOR V ABS 2 2 SNA 20 DB31 00164A BLADE CONNECTOR H ABS 2 2 SNA 21 DB31 00157A BLADE H ABS 1 1 SA 22 DB3...

Page 133: ...IN ASS Y 1 SNA DB93 01762D ASS Y CONTROL IN ASS Y 1 SNA 45 1 DB61 01154A BASE CONTROL SGCC M 1 1 SNA 45 2 DB61 01220A CASE PCB MAIN ABS UL94 V0 1 1 SNA 45 3 DB93 01713B CEILING EU PCB ASS Y PCB 1 1 SA...

Page 134: ...MEMO 5 32 Samsung Electronics...

Page 135: ...Samsung Electronics 5 33 17 16 10 11 9 26 25 18 13 30 14 27 13 1 13 2 19 4 24 29 23 20 2 3 5 15 6 22 21 12 1 7 8 28 5 2 Outdoor Unit...

Page 136: ...SS Y DSC COMP ZRD81KC TFD 15 DB99 00620A ASS Y VALVE EXPANSION ASS Y 1 DB99 00620B ASS Y VALVE EXPANSION ASS Y 1 DB99 00620C ASS Y VALVE EXPANSION ASS Y 16 DB62 03382A INSULATION FELT POLYESTER 1 1 17...

Page 137: ...SSURE LOW YK OIL 14 DB95 00637A ASS Y DSC COMP ZRD68KC PFZ 15 DB99 00620B ASS Y VALVE EXPANSION ASS Y 16 DB62 03382A INSULATION FELT POLYESTER 17 DB62 03381A INSULATION FELT POLYESTER 18 DB32 00137A T...

Page 138: ...6 1 Samsung Electronics This Document can not be used without Samsung s authorization 6 Wiring Diagram 6 1 Indoor Unit 6 1 1 1 Way cassette type...

Page 139: ...This Document can not be used without Samsung s authorization 6 1 2 2 Way cassette type Wiring Diagram Samsung Electronics 6 2...

Page 140: ...Wiring Diagram 6 3 Samsung Electronics This Document can not be used without Samsung s authorization 6 1 3 4 Way cassette type...

Page 141: ...Wiring Diagram Samsung Electronics 6 4 This Document can not be used without Samsung s authorization 6 1 4 Duct type Low silhouette High pressure Built in...

Page 142: ...Wiring Diagram 6 5 Samsung Electronics 6 1 5 Duct type Slim This Document can not be used without Samsung s authorization...

Page 143: ...Wiring Diagram Samsung Electronics 6 6 6 1 6 Wall mounted type This Document can not be used without Samsung s authorization...

Page 144: ...Wiring Diagram 6 7 Samsung Electronics 6 1 7 Ceiling type This Document can not be used without Samsung s authorization...

Page 145: ...Samsung Electronics 6 8 6 2 Outdoor Unit 6 2 1 1 phase This Document can not be used without Samsung s authorization...

Page 146: ...Wiring Diagram 6 9 Samsung Electronics 6 2 2 3 phase This Document can not be used without Samsung s authorization...

Page 147: ...Samsung Electronics 7 1 This Document can not be used without Samsung s authorization 7 Schematic Diagram 7 1 Indoor Unit 7 1 1 1 Way cassette type...

Page 148: ...7 2 Samsung Electronics This Document can not be used without Samsung s authorization 7 1 2 2 Way cassette type...

Page 149: ...Samsung Electronics 7 3 This Document can not be used without Samsung s authorization Schematic Diagram 7 1 3 4 Way cassette type...

Page 150: ...Schematic Diagram 7 4 Samsung Electronics This Document can not be used without Samsung s authorization 7 1 4 Duct type Low silhouette High pressure Built in...

Page 151: ...Schematic Diagram Samsung Electronics 7 5 This Document can not be used without Samsung s authorization 7 1 5 Duct type Slim...

Page 152: ...Schematic Diagram 7 6 Samsung Electronics This Document can not be used without Samsung s authorization 7 1 6 Wall mounted type...

Page 153: ...Schematic Diagram Samsung Electronics 7 7 This Document can not be used without Samsung s authorization 7 1 7 Ceiling type...

Page 154: ...7 8 Samsung Electronics This Document can not be used without Samsung s authorization 7 2 Outdoor Unit...

Page 155: ...ion Valve Control Step Motor Indoor Unit Temperature Buzzer Control Indoor Unit Setting Up Option S W Samsung Electronics 8 Circuit Descriptions 8 1 Indoor Unit This Document can not be used without S...

Page 156: ...n polarity Display Electronic Expansion Valve Control Step Motor Indoor Unit Temperature Buzzer Control Indoor Unit Setting Up Option S W Sub PCB Samsung Electronics 8 1 2 2 Way cassette type This Doc...

Page 157: ...l Non polarity Display Electronic Expansion Valve Control Step Motor Indoor Unit Temperature Buzzer Control Indoor Unit Setting Up Option S W Samsung Electronics 8 1 3 4 Way cassette type This Documen...

Page 158: ...larity Display Electronic Expansion Valve Control Indoor Unit Temperature Buzzer Control Indoor Unit Setting Up Option S W Samsung Electronics 8 1 4 Duct type Low silhouette High pressure Built in Thi...

Page 159: ...ty Display Electronic Expansion Valve Control Indoor Unit Temperature Sensor Floating S W Wired Remote Controller Power Indoor Unit Setting Up Option S W Indoor Fan Control TAP Indoor Fan Control SSR...

Page 160: ...onic Expansion Valve Control Auto Grille Step Motor Up Down Step Motor Indoor Unit Temperature Transmitter Power 12V Indoor Unit Setting Up Option S W Ionizer Remocon Module Samsung Electronics 8 1 6...

Page 161: ...l Non polarity Display Electronic Expansion Valve Control Step Motor Indoor Unit Temperature Buzzer Control Indoor Unit Setting Up Option S W Sub PCB Samsung Electronics 8 1 7 Ceiling type This Docume...

Page 162: ...Comp Bypass V V Sol V V Outdoor Temperature Pressure Sensor Transmitter Power 12V Indoor Unit Setting up Option S W 3 Phase Check Part KEY special operation control Download Maim Sub Download S W Sam...

Page 163: ...Way valve Tcond_mid Tair_out Tair _out Filter Filter Liquid pipe Gas pipe Tdis Compressor Hot gas bypass valve Receiver Accumulator Cooling Heating Low pressure Switch PWM valve Liquid bypass valve Ex...

Page 164: ...then keep the balance of low pressure 16 Solenoid valve LBV Liquid Bypass Valve When the compressor is overheated it actuates to lower the temperature of compressor for stable operation 17 High pressu...

Page 165: ...B Diagram 9 1 Indoor Unit 9 1 1 1 Way cassette type 1 2 3 4 Ventilator Drain Pump Fan Motor Power HALL IC EVA out Temperature Room Temperature EVA in Temperature 12V Power Float Switch Step Motor 1 EE...

Page 166: ...WHT Power YW396 03AV BLU HALL IC SMW250 03 BLU EVA out Temperature SMW200 02 WHT Room Temperature SMW200 04 WHT EVA in Temperature SMW200 04 WHT 12V Power YW396 02 WHT Float Switch SMW250 02 BLK Step...

Page 167: ...1 2 0 9 8 7 6 5 4 3 Ventilator COM1 COM2 HALL IC1 HALL IC2 Display Sub PCB Float Switch Step Motor Room Temperature EVA in Temperature 1 EVA out Temperature 2 EEV 3 12V Power 4 Trans out 5 Trans in 6...

Page 168: ...T Float Switch SMW250 02 BLK Step Motor SMW200 12 WHT Room Temperature SMW250 04 WHT EVA in Temperature SMW250 04 WHT 1 EVA out Temperature SMW250 02 WHT 2 EEV SMW250 05 BLU 3 12V Power YW396 02 WHT 4...

Page 169: ...4 Way cassette type 1 2 3 4 5 6 7 8 Display Step Motor 12V Power EEV EVA in Temperature Room Temperature EVA out Temperature Heat Thermal Float Switch Fan Motor 1 Heater 2 Ventilator 3 Drain Pump 4 Po...

Page 170: ...e SMW250 04 WHT Room Temperature SMW250 04 WHT EVA out Temperature SMW250 02 WHT Heat Thermal SMW250 02 YEL Float Switch SMW250 02 BLK Fan Motor YW396 09AV WHT 1 Heater YW396 07AV WHT 2 Ventilator YW3...

Page 171: ...w silhouette High pressure Built in 1 2 3 4 5 6 7 Heat Thermal EVA out Temperature Room Temperature EVA in Temperature Display EEV 12V Power COM 2 COM 1 Float Switch Heater 1 Fan Motor 2 Drain Pump 3...

Page 172: ...ature YW396 02 WHT Display SMW200 11 WHT EEV SMW250 05 BLU 12V Power YW396 02 WHT COM 2 YW396 02 BLU COM 1 YW396 02 RED Float Switch SMW250 02 BLK Heater YW396 07AV WHT 1 Fan Motor YW396 09AV WHT 2 Dr...

Page 173: ...ture Heater Temperature Wired Remote Controller Power 12V Control Signal EEV Display Operating Check Signal HALL IC 1 Download 2 COM 1 3 COM 2 4 Load Control Signal 5 Heater 6 Address Switch 7 Option...

Page 174: ...05 BLU Display SMW200 11 WHT Operating Check Signal SMW250 04 RED HALL IC SMW250 03 BLU 1 Download SMW200 10 WHT 2 COM 1 YW396 02 RED 3 COM 2 YW396 02 BLU 4 Load Control Signal SMW250 05 YEL 5 Heater...

Page 175: ...COM 2 COM 1 Wired Remocon Controller Power 12V Room Temperature EVA in Temperature EVA out Temperature HALL IC EEV 1 Ionizer 2 Download 3 Step Motor Blade 4 Step Motor Auto Grille 1 4 Step Motor Auto...

Page 176: ...mperature SMW200 04 WHT EVA in Temperature SMW200 04 WHT EVA out Temperature SMW200 02 WHT HALL IC SMW250 03 BLU EEV SMW250 05 BLU 1 Ionizer SMW200 03 BLU 2 Download SMW200 10 WHT 3 Step Motor Blade S...

Page 177: ...BLU COM1 YW396 02 RED 12V Power YW396 02 WHT Display SMW200 09 WHT Room Temperature SMW250 04 WHT EVA in Temperature SMW250 04 WHT EVA out Temperature SMW250 02 WHT 1 Step Motor SMW200 06 BLU 2 EEV S...

Page 178: ...MEMO 9 14 Samsung Electronics...

Page 179: ...ure Low Pressure EEV Trans out Trans in 3 Phase Detection 12 Room Temperature 34 Cond mid Temperature 56 Cond out Temperature Download Transmitter Power DC12V 1 Fan 1 2 Fan 2 3 4 Way Valve 4 PWM Valve...

Page 180: ...Temperature SMW250 06 WHT 34 Cond mid Temperature SMW250 06 WHT 56 Cond out Temperature SMW250 06 WHT Download SMW200 10 WHT Transmitter Power DC12V YW396 02 BLU 1 Fan 1 YW396 07AV BLU 2 Fan 2 YW396 0...

Page 181: ...tton Note The heating mode is not selected in cooling only models The wireless remote control is an optional accessory To use the wireless remote control refer to an appropriate manual Operating mode...

Page 182: ...ual Concealed Type Standard Type 10 2 Samsung Electronics Filter sign indicator Fan indicator Timer indicator Remote control sensor Heat Pump Models On Off indicator Blue Removing frost indicator Red...

Page 183: ...d it is installed on the wall To use the wired remote controller refer to an appropriate manual Mode selection button Communication error indicator On Timer setting Off Timer setting Test indicator Ti...

Page 184: ...Front View Side View Operating lamp All On button All Off button On Off indicators On Off buttons Index Note The operating lamp comes on even when only one air conditioner connected to the centralize...

Page 185: ...e function controller is an additional controller which is used with the centralized controller To use the function controller refer to an appropriate manual Mode selection button Room number display...

Page 186: ...imer setting Sleep button Swing button Timer Set Cancel button Temperature adjustment buttons Temperature setting Air flow direction Turbo mode Sleep mode On Off button Mode selection button AUTO COOL...

Page 187: ...1 Operation flow of outdoor unit E2 error tracking error Yes Yes Power on Tracking completed Yes No Preheating CCH For 2 5 hours Yes Is preheating of CCH completed No P4 error reverse phase open phase...

Page 188: ...indoor units having the address of 0 1 2 3 at the outdoor unit and when the left side display trying to communicate to 0 1 2 d E F the right side displays 0 1 2 3 only when the left side is 0 1 2 3 2...

Page 189: ...not having the normal voltage check the external power of air conditioner for action 3 If the 3 phase power is normal it is the phase power is changed Change two wires of incoming of power from exter...

Page 190: ...outdoor unit displays and the responding address on the right part 3 If it is not the condition for the compressor operation at the moment Ch is kept flickering on the display part and CCH crank case...

Page 191: ...efect of indoor temperature sensor x x x Is separated the indoor room temperature sensor connecter from PCB Is the resistance value far from the temperature table Detach indoor room temperature sensor...

Page 192: ...r unit EVAP IN sensor error OPEN SHORT Is separated the indoor EVAP IN sensor connecter from PCB Is the resistance value far from the temperature table Detach indoor EVAP IN sensor connecter from PCB...

Page 193: ...unit EVAP OUT sensor error OPEN SHORT x x x Is separated the indoor EVAP OUT sensor connecter from PCB Is the resistance value far from the temperature table Detach indoor EVAP OUT sensor connecter fr...

Page 194: ...tion 2 Heating operation 2 Check method Check if the indoor unit EVAP IN sensor is separated and adjust after assembly Tcond out Tair out 3 C Tair in Teva in 4 C Tair in Teva out 4 C Compressor runnin...

Page 195: ...ion 2 Heating operation 2 Check method Check if the indoor unit EVAP OUT sensor is separated and adjust after assembly Tcond out Tair out 3 C Tair in Teva in 4 C Tair in Teva out 4 C Compressor runnin...

Page 196: ...sor Is not the MCU temperature sensor connector separated from PCB Restart after connecting a connector to PCB Is not the resistance value out of range from the temperature table Restart after exchang...

Page 197: ...7 The starting error of indoor unit fan motor Outdoor unit display Indoor unit display Judgment method Causes x x x Indoor unit address occurred error Operation Timer Fan Filter Removing frost The st...

Page 198: ...ndoor unit at display part on tracking Check the communication wire connecting from the outdoor unit to the indoor unit If there is no defect search the indoor unit that interrupts the communication b...

Page 199: ...nit to the indoor unit and then measure 2 wires of the outdoor unit with scope Check the communication wire connecting from the outdoor unit to the indoor unit If there is no defect search the indoor...

Page 200: ...sensor Is separated the outdoor temperature sensor connecter from PCB Is the resistance value far from the temperature table Detach the outdoor temperature sensor connecter from PCB and measure the re...

Page 201: ...ding sensor Is separated the outdoor COND OUT sensor connecter from PCB Is the resistance value far from the temperature table Detach the outdoor COND OUT sensor connecter from PCB and measure the res...

Page 202: ...nd Out Sensor is detected in the condition that it is under heating test operation and the capacity of compressor is the maximum ste 20 step 3 Heating operation The following conditions should be sati...

Page 203: ...ding sensor Is separated the outdoor unit COND MID sensor connecter from PCB Is the resistance value far from the temperature table Detach the outdoor heat exchanger temperature sensor connecter from...

Page 204: ...rom PCB Is the resistance value far from the temperature table Detach the digital compressor discharge temperature sensor connecter of outdoor unit from PCB and measure the resistance value between th...

Page 205: ...e of 40 C E262 error I Tdisc d Tdisc f1 I In case of 40 C E263 error I Tdisc d Tdisc f1 I In case of 40 C E264 error 2 Check method Check if the corresponding compressor sensor is separated according...

Page 206: ...eted to check the system Test operation for every room KEY 4 Operate a corresponding indoor unit Remove the obstacles of corresponding indoor unit and clean the dust filter Does operate normally the i...

Page 207: ...heck the main voltage Is the voltage between red white white black red black of CN82 power cable about AC 380V After switching power breaker off exchange the 2 lines among the three lines of 3 phases...

Page 208: ...emperature is over 30 C at the right before of compressor start prohibit heating operation Operation prohibit mode according to the limit of outdoor temperature Check method The above error code is no...

Page 209: ...ressor or OLP Trip 1 Judge method 1 Cooling operation 2 Heating operation Tcond out Tair out 3 C Tair in Teva in 4 C Tair in Teva out 4 C Compressor running indoor unit on and thermo on Error contents...

Page 210: ...though ON signal is going to compressor but if it is not operated it is the OLP trip due to the overload Wait until the compressor is cooled to restart Error reset KEY 3 Test operation for every room...

Page 211: ...ment method Causes Oil collection operation Not error Oil collection operation Check method This is the special operation mode to recollect oil discharged from the compressor and it is entered for 3 m...

Page 212: ...t method Causes Operation Timer Fan Filter Removing frost In case of mismatching the setup for use of wired remote control Option switch setup error of indoor unit Check the setup of indoor unit optio...

Page 213: ...y start the condition of indoor unit T EVAP_in T Room 3 C and T EVAP_out T Room 3 C is maintained for 5 minutes 2 Check method 1 Check whether the EEV wire is connected correctly to the indoor unit PC...

Page 214: ...ver Tcond out Tair out 3 C Tair in Teva in 4 C Tair in Teva out 4 C Compressor running indoor unit on and thermo on OK NO NO OK Tcond out Tair out 2 C Tair in Teva in 4 C Tair in Teva out 4 C Compress...

Page 215: ...no abnormal with above check items replace the EEV of the related indoor unit Be sure to check above items before the replacement of EEV because the replacement of EEV is a hard work to collect refrig...

Page 216: ...or outlet of stop indoor heat exchanger maintains for more than 20 minutes below 0 C in cooling mode 2 Check method 1 Check whether the EEV wire is connected correctly to the indoor unit PCB 2 Check w...

Page 217: ...gnostic error including the indoor unit not detected 1 Error of electronic expansion valve close 2 Error of electronic expansion valve open 3 Breakaway of EVAP OUT sensor 4 Breakaway of EVAP IN sensor...

Page 218: ...ndicators Abnormal conditions Wall mounted type Display Contents Communication error indoor unable to receive data Communication error outdoor unable to communicate Indoor unit room temperature sensor...

Page 219: ...e of S NET 11 4 1 S NET main operation check If the following S NET data is displayed at the test operation after installation make repairs with reference to the check method S NET check screen may be...

Page 220: ...r If it maintains 70 C 110 C it is judged normal Example Discharge Temp 70 C 95 C 110 C 2 Check the middle temperature of condensing temperature T Cond Check the middle temperature of condenser It is...

Page 221: ...cond _ T subcool subcooling Temp If it maintains 1 C 10 C it is judged normal Example Condensing temperature 45 C Subcooling temperature 42 C 3 C Example Degree of over cooling 1 C 3 C 10 C 4 Check i...

Page 222: ...Samsung Electronics Troubleshooting 11 36 11 4 3 Indoor unit 1 Check the EEV OPEN E valve EEV OPEN maintains 100 250 step it is judged normal...

Page 223: ...or unit T evap in and room temperature T air in If T evap in T air in 10 C over it is judged normal But if the room temperature is so higher than the room average temperature it is a failure Example 1...

Page 224: ...unit T evap out and room temperature T air in If T evap in T air out 10 C over it is judged normal But if the room temperature is so higher than the room average temperature it is a failure Example 1...

Page 225: ...r operation over 40 minutes with the test operation in cooling mode T discharge 57 C 70 C 44 T cond 33 T subcool 11 C 10 C Discharge a some refrigerant from the outdoor unit by use of a charging cylin...

Page 226: ...on in cooling mode T discharge 57 C 70 C 44 T cond 33 T subcool 11 C 10 C Discharge a some refrigerant from the outdoor unit by use of a charging cylinder After about an hour operation after refrigera...

Page 227: ...Measure the resistance value of the indoor unit inlet temperature sensor by use of a tester If the resistance value is a failure replace the sensor Replace the indoor unit PCB if the resistance valve...

Page 228: ...k the open close of EEV through the reset of indoor unit power Detected a noise tick tick at the EEV when power reset If not detected a noise it is judged a coil breakaway or defect If a noise tick ti...

Page 229: ...An error is not occurred at the simultaneous test operation of outdoor units but the above situation is appeared in S NET at the operation of an outdoor unit If the operation is going on P3 and P0 er...

Page 230: ...sure switch S NET displays the driving of outdoor unit fan but the fan does not drive actually The defect of a fan motor The obstacles are piled beside the outdoor unit heat exchanger The outdoor unit...

Page 231: ...e occurred at the outdoor unit PCB According to the condition of temperature Check the department of temperature sensor of indoor unit inlet Check the sensible temperature of the drain pipe at the sen...

Page 232: ...hat of the other indoor unit The step of EEV rises 480 STEP Ax error Department of drain pipe sensor of No x indoor unit inlet may be occurred at the outdoor unit PCB According to the condition of tem...

Page 233: ...oor unit inlet outlet is down to the below 0 C P3 or P0 error is occurred at the outdoor unit PCB Check if the PWM connecter is departed After checking the pressure of refrigerant recharge the refrige...

Page 234: ...inlet outlet and room is same G2 error is occurred at the outdoor unit PCB Check the operating current of compressor with Hook meter Check PWM OPEN Check the ON OFF when applying the power Check the...

Page 235: ...hod Operation Fan error is flickering on the indoor unit t1 error is displayed on the outdoor PCB T air out is 40 C Check the resistance of outdoor temperature sensor Replace the outdoor temperature s...

Page 236: ...Operation Fan error is flickering on the indoor unit t2 error is displayed on the outdoor PCB T air out is 40 C Check the resistance of outdoor unit Cond mid sensor Replace the outdoor unit Cond mid...

Page 237: ...Operation Fan error is flickering on the indoor unit t4 error is displayed on the outdoor PCB T air out is 40 C Check the resistance of outdoor unit Cond out sensor Replace the outdoor unit Cond out...

Page 238: ...od Operation Fan error is flickering on the indoor unit The temperatures related to outdoor unit all are displayed at 40 C Check the department of connecter of outdoor unit temperature sensor 11 5 14...

Page 239: ...method Operation Fan error is flickering on the indoor unit T discharge is displayed at 0 C t3 error is displayed on the outdoor PCB Check the department of connecter of outdoor unit temperature sens...

Page 240: ...door Unit Setting Up Option S W Display Step Motor Buzzer Control Indoor Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control 485 Comm Control Non polarity Control Manual Addres...

Page 241: ...Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control 485 Comm Control Non polarity Control Electronic Expansion Valve Control Option Setting Up S W Manual Address MICOM MAIN PC...

Page 242: ...Block Diagram 12 3 Samsung Electronics Indoor Unit Setting Up RMC ADD Setting Up Setting Up Option Connect to Indoor Unit SUB PCB 2 Way cassette type cont...

Page 243: ...ay Step Motor Buzzer Control Indoor Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control 485 Comm Control Non polarity Control Electronic Expansion Valve Control Option Setting...

Page 244: ...y Indoor Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control 485 Comm Control Non polarity Control Electronic Expansion Valve Control Option Setting Up S W Manual Address MICOM...

Page 245: ...eater Ventilation Drain PUmp Hot Coil Non polarity Control Indoor Unit Fan Control Power Diagram Linear Power Transformer Option Setting Up S W Manual Address setup S W Indoor Unit Temperature and Oth...

Page 246: ...splay Auto Grille Step Motor Up Down Step Motor Indoor Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control Ionizer Remocon Module The Power of Centralized Control Airflow 12V 4...

Page 247: ...CB Display Step Motor Buzzer Control Indoor Unit Temperature Indoor Unit Fan Control Electronic Expansion Valve Control 485 Comm Control Non polarity Control Electronic Expansion Valve Control Option...

Page 248: ...l Non polarity Indoor Unit Setting Up Option S W Outdoor Unit Display Key Special Operation Control 3 Phase Detection part Outdoor Unit Temperature Pressure Sensor Low pressure Switch Electronic Expan...

Page 249: ...joint multi DVM Classification of product 1 Way K 2 Way G 4 Way C Low silhouette D High pressure H Low pressure L Built in B Slim E Wall mounted type W Ceiling type F Power supply 220V 60Hz B 220 240...

Page 250: ...ity x 1 10 kW Rating Voltage 220V 60Hz B 220 240V 50Hz E Design 1 Way 1 2 Way 2 4 Way 4 Low silhouette D High pressure H Built in B Slim S G P P Ceiling F Cassette type Duct type Indoor Unit RAC CONV...

Page 251: ...riable capacity free RVM joint multi DVM Semi finished product 2 mini DVM M Power supply 115V 60Hz A 220V 60Hz B 208 230V 60Hz C 200 220V 50Hz D 220 240V 50Hz E 380 415V 50Hz 3 G Mode Cooling only C O...

Page 252: ...indoor unit onto the drawing for address setup RMC ADDRESS SETUP 1 SW03 RMC switch is an address setup switch to control the indoor unit operation by the wired remote control and centralized controll...

Page 253: ...USED THE DRAIN PUMP RELATED TO THE INDOOR UNIT ONLY INSTALLS THE DRAIN PUMP AS OPTION FILTER EXCHANGE CLEANING TIME K6 K7 K8 K9 K10 HOT WATER HEATER ELECTRIC HEATER INDOOR UNIT EEV OPEN AT HEATING NO...

Page 254: ...ounted type FUNCTION SWITCH NO SWITCH ON SWITCH OFF WIRED REMOTE CONTROLLER K1 K2 NOT USED NOT USED USED USED CENTRALIZED CONTROLLER K3 2 C 5 C HEATING ROOM TEMP COMPENSATION K4 FIXED TO 80 0 OR 80 IN...

Page 255: ...umber The setting switch of indoor unit installation number Example If 3 indoor units are installed adjust the arrow of switch to 3 Note The display method of English characters and figures on PCB dis...

Page 256: ...e K1 SEG 3 4 display K2 SEG 3 4 display K3 SEG 3 4 display K4 SEG 3 4 display Heating refrigerant supplement Heating test operation Completion Cooling refrigerant supplement Cooling test operation Ref...

Page 257: ...um Temp 2 C Normal capacity x115 outlet On Tr 27 C Target Sum Temp 3 C COOL HEAT COOL HEAT COOL HEAT COOL HEAT The number of times Remark Contents Display Example The step of outdoor valve Cond Out Te...

Page 258: ...ankcase heater by turning power breaker 3 phases single phase on before 6 hours to test operation Power ON 3 phases first and single phase If the crankcase heater is not heated CH is displayed on the...

Page 259: ...heated And the connected indoor unit address is displayed at the right of the outdoor unit PCB check display part 5 Check the system pressure by use of manifold gauge Connect the manifold gauge with t...

Page 260: ...test operation as following figure Install the S NET program to the computer Connect a RS 485 converter with COM1 or COM2 port of computer Set the position of converter slide to 485 and M Connect the...

Page 261: ...d if there is a large noise stop the test operation If there is a large noise and not high low pressure change at the compressor it is possible 3 phase power reverse Recheck the input power of the com...

Page 262: ...panel and the remote control receiver Check if the condensing water of indoor unit is managed properly after 6 hours over test operation 5 Check the following items additionally after the completion o...

Page 263: ...r Temperature If running conditions are out of this range judge options are maybe differ from standards 1 Check the compressor discharge temperature T discharge It is normal if the temperature is 70 C...

Page 264: ...room average temp Example 10 C 21 4 17 C Example 10 C 18 3 15 C Example 10 C 21 3 18 C Example 10 C 24 5 19 C Example 10 C 18 4 14 C 6 Check the outlet temperature of Indoor unit T evap out It is nor...

Page 265: ...utdoor 3 Check the compressor suction temperature T suc It is normal if the temperature is 0 C 20 C 4 Check the opening electronic expansion valve E valve of outdoor unit It is normal if it is 100 ste...

Page 266: ...ht different more than 10m among indoor units the farest indoor unit from outdoor unit can have low temperature In this case you can set up a option key but you should consider customer and installati...

Page 267: ...lection of installation place Select a place that cooling effect is good electric work is easy and there is a low noise by the wind and vibration 2 Fixing the indoor unit and outdoor unit 3 Processing...

Page 268: ...Install drainage hose for the drainage is natural type And be sure to check the drainage after connection by pouring water 6 Electric and grounding work Observe the technical standard for electric equ...

Page 269: ...MEMO Samsung Electronics 13 21...

Page 270: ...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 Jan 2006 Printed in Kor...

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Samsung AVMKH020EA4, Service Manual

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