Samsung MH052FDEA Training Manual Download Page 82 | Manualshive

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Feature & Operation

81

Samsung Electronics

6-1-10 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.

B condition

If the temperature of indoor heat exchanger is below about 40±3°C when the compressor is on, it is considered as defrost "B condition"

C condition

When the accumulating time of compressor ON is over 20 minutes.

D condition

When the accumulating time of compressor ON is over 3Hr.

E condition

When operating time of compressor without stopping is over 6 minutes.

F condition

If the compressor is off(thermo off) when the temperature of indoor heat exchanger is below about 46°C, it is considered as one cycle.
If it happens 2 times continuously, It is said that "F condition" is satisfied.

G condition

When the accumulating time of compressor ON is over 90 minutes.

◆

Defrost operation conditions

AXBXC

condition or

BXDXE

condition

FXG

condition

Defrost time : 5~8 minutes

◆

Operation pattern

Defrost

Compressor

Outdoor Fan

4-Way Valve

Indoor Fan

ON

ON

ON

ON

55sec

1min

Defrost Time

OFF

OFF

OFF

ON

ON

more than 58sec

2sec

55sec

1min

Low Speed

Thermo ON

Setting Speed

OFF

OFF

ON

DB98_20402A(1)_1 10/26/04 4:09 PM Page 81

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Summary of Contents for MH052FDEA

Page 1: ...tions 1 Product Specifications 2 Operation Instruction Installation 9 Disassembly and Reassembly 48 Refrigerating Cycle Diagram 72 Feature Operation 73 Set Up the Model Option 85 Troubleshooting 88 Exploded Views and Parts List 106 Block Diagram 130 PCB Diagram 131 Wiring Diagram 147 Schematic Diagram 152 CONTENTS ...

Page 2: ...eling shall be prohibited In no case the customer shall repair the product on his own because this is danger ous enough to bring about breakdown or fire 15 Ban on Middle Connection of Power Cord Do not cut the power cord in the middle to be connected to other power cord nor use a middle socket between two power cords This is dangerous enough to bring about breakdown or fire 16 Check Insulation Aft...

Page 3: ...0 Cross fan steel 15 2ROW 12STEP EEV Wall mounted 5 20 5 60 2 5 13 0 13 5 48 48 3 31 2 60 1 220 240 50 1 590 2 470 6 9 10 7 94 8 96 6 1 080 x 315 x 205 42 5 x 12 4 x 8 1 13 ø6 35 x 7 ø12 7 x 7 ø18 x 2 000 Cross fan steel 19 2ROW 16STEP EEV Type Cooling kW Heating Dehumidifying h Air Volume Cooling m3 min Heating Noise Cooling dB Heating Energy Efficiency Ratio Cooling Heating W W Power V Hz Power ...

Page 4: ...flow 28 180 970 390 15 18 5 2 5 6 AC 220 240V 50Hz 1 590 2 470 6 9 730 680 630 18 17 16 45 ø7 0 SLIT 2 x 12 x 1 5 Sirocco 97 260 1 340 600 41 47 Cooling Heating Cooling Heating Cooling Heating Heat Exchanger Fan Dimensions Weight Hi Med Low Hi Med Low Hi Motor Output H W D kg kW W A r p m r p m r p m m3 min m3 min m3 min dB A W mm mm mm Net Gross Type Row x Stages x Fin Pitch Type Capacity Power S...

Page 5: ...W 36STEP EEV 2 900 1 220 240V 50Hz Remark Test Condition Indoor Room Outdoor Room Cooling Test DB27 C WB19 C DB35 C WB24 C Maximum Operation DB32 C WB23 C DB43 C WB26 C Type Capacity Cooling kW Heating BTU h Air Volume m3 min Noise Cooling dB Heating Power ø V Hz Power Consumption Cooling W Heating Operating Current Cooling A Heating Fuse Capacity A Dimension W x H x D mm Weight kg Type Model Name...

Page 6: ...8 2 58 7 8 2 21 27 21 9 10 1 57 5 13 9 21 7 9 4 57 1 11 4 32 22 4 11 3 56 0 16 4 22 2 10 6 55 8 14 5 21 30 3 9 4 78 5 12 8 30 2 9 0 78 5 10 2 35 27 30 9 10 6 78 7 16 8 30 7 10 0 78 0 14 2 32 31 6 12 0 76 3 19 4 31 7 11 4 76 7 17 2 21 36 1 9 8 89 8 12 8 36 2 9 4 91 5 11 4 43 27 37 0 11 1 90 5 17 7 36 8 10 6 89 1 14 2 32 37 6 12 5 88 2 20 6 37 4 11 8 86 8 16 7 170 ex 026 026 035 052 100 ex 026 026 0...

Page 7: ... 20 7 9 7 20 5 9 0 32 23 21 2 10 9 21 0 10 2 21 15 29 1 9 0 29 0 8 6 35 24 27 19 29 7 10 2 29 5 9 6 32 23 30 4 11 6 30 5 11 0 21 15 34 9 9 4 35 0 9 0 43 26 27 19 35 8 10 7 35 6 10 2 32 23 36 4 12 1 36 2 11 4 170 ex 026 026 035 052 100 ex 026 026 052 Cooling 17 5m Piping Product Specifications ...

Page 8: ...low T_dis T_suc 10 20 18 0 6 4 60 1 18 9 18 8 6 7 59 8 17 4 27 20 8 7 0 66 3 17 1 21 7 7 1 67 0 15 7 7 20 21 2 10 6 57 9 1 8 23 2 10 6 64 9 0 2 27 24 4 11 0 63 0 0 9 26 3 11 0 69 1 0 5 24 20 22 5 12 9 60 8 16 4 26 4 13 4 71 9 17 3 27 25 5 13 8 64 3 16 8 29 5 14 2 75 9 17 7 170 ex 026 026 035 052 100 ex 026 026 052 ...

Page 9: ...5m Piping Outdoor Indoor P_high P_low P_high P_low 10 20 15 16 8 6 0 17 6 6 3 27 15 19 6 6 6 20 5 6 7 7 6 20 15 20 0 10 2 22 0 10 2 27 15 23 2 10 6 25 1 10 6 24 18 20 15 21 3 12 5 25 2 13 0 27 15 24 3 13 4 28 3 13 8 170 ex 026 026 035 052 100 ex 026 026 052 ...

Page 10: ...y the pressing the temperature button On Off UP DOWN Low Medium High Automatic rotated Sleep button The sleep timer can be used when you are cooling or heating your room to switch the air conditioner off automatically after a period of 6 hours Turbo button The air conditioner cools or heats the room as quickly as possible After 30 minutes the air conditioner is reset automatically to the previous ...

Page 11: ... more times until the required time display FUNCTION BUTTON No 8 9 10 11 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 button one or more times until the required time display Timer Set Cancel button After setting On Timer or Off Timer press the button to s...

Page 12: ...tion Low temperature release Prevention against freeze 5 TURBO MODE This mode is available in AUTO COOL HEAT DRY FAN MODE When this button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the set temperature room temperature When this button is pressed again or when the operating time is 30 minutes turbo operation mode is canceled and returned to the ...

Page 13: ... 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 OFF TIMER The Off Timer enables you to switch off the air conditioner automatically after a given period of time You can set the period of time from 30 minutes to 24 hours 11 BUZZER SOUND Whenever the On Off button is pressed or w...

Page 14: ...ine Dimension 3 2 1 Indoor Unit MH026FPEA MH035FPEA C 60 19 275 252 100 158 60 45 275 252 90 165 A B Air in Front view Rear view Remote control Air out Installation plate 53 24 16 150 9K 12K Type 9K 12K A 795 890 B 258 285 C 179 179 ...

Page 15: ...Operation Instruction Installation Samsung Electronics 14 205 60 45 275 252 90 165 1 080 215 Air in Front view Rear view Remote control Air out Installation plate 53 24 16 150 18K MH052FPEA ...

Page 16: ... Suspension position 15 0 15 0 431 Ceiling opening 1 010 0 Suspension position 1 180 970 0 Suspension bolt 4 M8 M10 460 461 20 180 0 20 153 390 0 0 300 MH026FKEA MH035FKEA No 1 2 3 4 5 6 Name Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Air discharge grille Air suction grille Remark ø6 35 ø9 52 OD29 ID25 ...

Page 17: ...18 0 1 340 0 126 5 186 5 260 221 154 194 244 600 285 165 83 400 Suspension position 1 298 1 262 Suspension position 21 262 118 171 18 235 172 25 310 250 250 30 208 112 1 035 p220x4 880 98 46 MH052FDEA No 1 2 Name Liquid pipe connection Gas pipe connection Remark ø6 35 ø12 70 ...

Page 18: ...Operation Instruction Installation 17 Samsung Electronics 3 2 2 Outdoor Unit MH068FXEA4 MH080FXEA4 12 30 332 779 350 880 660 ...

Page 19: ...indoor unit in an area from which hot or cool air is spread evenly in a room 5 Make sure that you install the indoor unit in an area away from TVs audio units cordless phones fluorescent lighting fixtures and other electrical appliances at least 1 meter 6 Make sure that you install the indoor unit in an area which provides easy pipe connection with the outdoor unit and easy drainage for condensed ...

Page 20: ...t 7 Make sure that you install the outdoor unit in area which provides easy connection within the maximum allowable length of a coolant pipe You can install 70m of total connecting pipe length A B C D room to the maximum and you do not have to charge any additional refrigerant under the length of 40m If you install the excessive length of pipe 40m add additional refrigerant as 15g per unit meter 8...

Page 21: ...quid 1 4 1 4 Gas 3 8 1 2 Unit Outside diameter Piping outside diameter 160 mm or more 100 mm or more 200 mm or more 300 mm minimum 600 mm minimum 600 mm minimum 300 mm minimum Main power switch h H A B C D Dimension Composition 25 m A B C D 30 m A B 45 m A B C 70 m A B C D 15 m H 3 m h 1 Room max length 2 Room total max length 4 Room total max length 3 Room total max length Max height between indo...

Page 22: ...ly downwards 2 3 Fix the installation plate to the wall in a manner appropriate to the weight of the indoor unit If you are mounting the plate on a concrete wall with anchor bolts the anchor bolts must not project by more than 20 mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a manner appropriate to the wei...

Page 23: ...e purged before connecting the assembly piping To purge the inert gas proceed as follows Unscrew the caps at the end of each pipe Result All inert gas escapes from the indoor unit Result To prevent dirt or foreign objects from getting into the pipes during installation do NOT remove the caps completely until you are ready to connect the piping ...

Page 24: ...door unit 1 IMPORTANTBefore hanging the unit test the strength of each attached suspension bolt IMPORTANT If the length of suspension bolt is more than 1 5m it is required to prevent vibration 4 Screw eight nuts to the suspension bolts making space for hanging the indoor unit IMPORTANT You must install the suspension bolts more than four when installing the indoor unit 5 Check the level of the ind...

Page 25: ...mbly piping To purge the inert gas proceed as follows Unscrew the pinch pipe at the end of each refrigerant pipe Result All inert gas escapes from the indoor unit Result Note To prevent dirt or foreign objects from getting into the pipes during installation do NOT remove the pinch pipe completely unit you are ready to connect the piping Liquid refrigerant port Gas refrigerant port ...

Page 26: ...lts depending on the ceiling type IMPORTANT Ensure that the ceiling is strong enough to support the weight of the indoor unit Before hanging the unit test the strength of each attached suspension bolt IMPORTANT If the length of suspension bolt is more than 1 5m it is required to prevent vibration 5 Screw eight nuts to the suspension bolts making space for hanging the indoor unit IMPORTANT You must...

Page 27: ...re connecting the assembly piping To purge the inert gas proceed as follows Unscrew the pinch pipe at the end of each refrigerant pipe Result All inert gas escapes from the indoor unit Result Note To prevent dirt or foreign objects from getting into the pipes during installation do NOT remove the pinch pipe completely until you are ready to connect the piping ...

Page 28: ...a location exposed to strong winds or at a height the unit must be fixed to an appropriate support wall or ground 1 Position the outdoor unit so that the air flow is directed towards the outside as indicated by the arrows on the top of the unit 2 Attach the outdoor unit to the appropriate support using anchor bolts 3 If the outdoor unit is exposed to strong winds install shield plates around the o...

Page 29: ...rol Box in the outdoor unit 3 wire Power Cable option 2 wire Assembly Cable option Drain Plug Transmitter power cable Rubber Leg Flare Nuts 6 35mm outer pipe diameter Flare Nuts 9 52mm outer pipe diameter Flare Bolt Nut 1 2 Bolt 3 8 Transmitter Transmitter power cable Transmitter communication cable Installation Manual Case Cable tie OWNER S INSTRUCTIONS MANUAL DE INSTRUCCIONES ISTRUZIONI PER L US...

Page 30: ... rear of the indoor unit and connect the assembly cable such as figure Each wire is labelled with the corresponding terminal number 5 Pass the other end of the cable through the 65 mm hole in the wall 6 Replace the connector cover carefully tightening the screw 7 Close the front grille 8 For further details on how to plug the other end of the assembly cable into the outdoor unit refer to installat...

Page 31: ... cord through the side of the indoor unit and connect the cable to terminals refer to the figure below 3 Route the other end of the cable to the outdoor unit through the ceiling the hole on the wall 4 Reassemble the electrical component box cover carefully tightening the screw Wiring Diagram Operation Instruction Installation Samsung Electronics 30 Indoor Unit Outdoor Unit Communication Power ...

Page 32: ...e ceiling the hole on the wall 4 Reassemble the electrical component box cover carefully tightening the screw Between Indoor and Outdoor Connection Cord Specifications Operation Instruction Installation 31 Samsung Electronics 220 240V 50Hz 10 2 0mm2 H07RN F 3G ø1 6mm 2 wires 0 75 1 25mm2 H07RN F 2 wires 0 75 1 25mm2 2 wires Power Supply Single Phase Power Supply Max Min V Connection Wire Earth Cab...

Page 33: ...re that the power cable terminal should not be changed Since the communication cable has the polarities be careful to connect the ter minal of F1 F2 and FA FB rightly 1 L 2 N 1 L 2 N Vc Vc Vw Vw FA FB F1 F2 V1 V2 Receiver Display Unit Optional Float Switch Drain Pump Optional Wired Remote Controller MAIN PCB Indoor Unit Between Indoor and Outdoor Communication Terminal Indoor Power Terminal Outdoo...

Page 34: ...assembly cable with the power cable such as figure Each wire is labelled with the corresponding terminal number Ensure the wire number of the indoor unit and the terminal number of the outdoor unit 3 Connect the earth wires to the earth terminals Refer to the page 14 for further details on how to check that earthing is correct 4 Fix the cables with cable clamps near terminal blocks to protect the ...

Page 35: ...ssembly cable A B C D A B C D Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Earth terminal Cable Type A Cable Type B Cable Type C Main Power supply cable Power cable to indoor units Communication cable to indoor units A unit B unit C unit D unit A B C AWG 13 or fewer 16 or fewer 16 or fewer Cross sectional area mm2 2 5 or mo...

Page 36: ...5 Samsung Electronics 1 2 E L mm Main power supply cable L mm 20 20 90 Cable of indoor unit Main Power 2 1 E Power cable to indoor units L mm 60 60 70 90 60 60 70 90 80 80 110 90 Cable of indoor unit A B C D 2 1 E Communication cable to indoor units L mm 15 15 Cable of indoor unit A B C D 2 1 ...

Page 37: ...rections Keep a clearance of at least 5cm between the end of the hose and the ground 5cm less Do NOT place the end of the drain hose in a hollow 1 If necessary connect the 2 meter extension to the drain hose 2 If you are using the extension insulate the inside part of the extension drain hose with a shield 3 Pass the drain hose under the refrigerant piping taking care to keep the drain hose tight ...

Page 38: ...ten the piping cut it using a pipe cutter taking care to ensure that the cut edge remains at a 90 angle with the side of the pipe and referring to the illustrations below for examples of edges cut correctly and incorrectly 3 To prevent any gas from leaking out remove all burrs at the cut end of the pipe using a reamer 4 Slide a flare nut on to the pipe and modify the flare 4 5 Check that the flari...

Page 39: ...nnected and tighten the flare nuts first manually and then with a torque wrench applying the following torque 7 For further details on how to connect up to the outdoor unit and purge the circuit refer to page 39 Outer Diameter 6 35mm 9 52mm 12 70mm Torque kgf cm 140 170 250 280 380 420 ...

Page 40: ...auge 4 Mount the valve stem nuts and the service port cap to the valve and tighten them at the torque of 18N m with a torque wrench 7 Check for gas leakage 4 At this time especially check for gas leakage from the 3 Way valve s stem nuts and from the service port cap 3 7 4 Adding Refrigerant You can install 70m of total connecting pipe length A B C D room to the maximum and you do not have to charg...

Page 41: ... cool operation mode 7 Stop operation of the air conditioner 9 Close the cap of each valve 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 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 4 5 5 5kg cm2 in a regular high operation mode 6 Open the refrigeran...

Page 42: ...nstallation position difference between the indoor unit and the outdoor unit should not exceed over than B meters When the connection pipe is been extended longer than 5 meters it might need to change the diameter of the electrical wire to a larger size in order to keep a voltage drop for starting room air conditioner is not less than 85 of the rated voltage And then a voltage meter will be useful...

Page 43: ...air conditioner Relocation of the air conditioner Refer to this procedure when the unit is relocated 1 Carry out the pump down procedure refer to the details of pump down 2 Remove the power cord 3 Disconnect the assembly cable from the indoor and outdoor units 4 Remove the flare nut connecting the indoor unit and the pipe 4 At this time cover the pipe of the indoor unit and the other pipe using a ...

Page 44: ...lation insulation of the cables hose and piping and fixing of the indoor unit to the installation plate you must check that there are no gas leaks To check for gas leaks on the Then using a leak detector check the Indoor unit Flare nuts at the end of sections C and D Outdoor unit Valves on sections A and B A B C D ...

Page 45: ...wer part of the indoor unit 2 Wind insulating tape around the pipe assembly cable and drain hose 3 Place the resulting bundle carefully in the lower part of the indoor unit making sure that it does not jut out from the rear of the indoor unit 4 Hook the indoor unit up to the installation plate and move the unit to the right and left until you are sure that it is securely to place in 5 Finish wrapp...

Page 46: ...H052F EA Install pipes between indoor and outdoor units orderly as D C Example 2Rooms MH035FPEA MH052FPEA 3Rooms MH026FPEA MH035FPEA MH052FPEA Operation Instruction Installation 45 Samsung Electronics OUTDOOR UNIT A B C D A B C D MH035FPEA MH052FPEA O A B C D MH026FPEA MH035FPEA MH052FPEA O A B C D MH035FPEA MH052FPEA x A B C D MH035FPEA MH052FPEA x A B C D MH026FPEA MH035FPEA MH052FPEA x ...

Page 47: ...ng of pipe connection Auto addressing option Step 1 Apply the power to the outdoor unit Step 1 Push the K2 button 4 times in the outdoor PCB display Step 1 It could take more time depending on the indoor and outdoor temperature Step 1 If the checking is finished outdoor unit stops automatically Step 1 DIS 02 shows the indoor unit under searching Step 1 Function of Step 3 OUTDOOR UNIT A unit B unit...

Page 48: ...work properly Ampere Limit Setting Changing Procedure K 1 K 2 K 3 OFF DIS01 SW02 SW01 K 4 DIS02 Outdoor PCB Display Switch Indoor unit address View data display Ampere Switch Selection 3 4 17 0A Default ON ON OFF ON OFF ON OFF OFF OFF 14 0A OFF 11 0A OFF 10 0A OFF Do not adjust the Ampere Limit Switch because it needs to meet HDB requirement or Local authorities Ampere Limit Switch is initially se...

Page 49: ...pper 3 Slide the lower Front Grille down 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 detach the Terminal Cover 7 Detach the thermistor from the Front Grille 8 Loosen 5 fixing screws of Front Grille 9 Pull the lower left and right of discharge softly fo...

Page 50: ... 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 side out Including Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 If pulling the main PCB up it will be taken out 1 Pull Tray Drain out from the Back Body ...

Page 51: ...e 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 detach the Motor Holder 2 Loosen the fixing screw of Fan Motor with a M3 wrench 3 Detach the Fan Motor from the Fan 4 Detach the Fan from the left Holder Bearing ...

Page 52: ...eft sides of the Grille 5 Take the left and right Filter out 6 Loosen one of the right screw and detach the Terminal Cover 7 Detach the thermistor from the Front Grille 8 Loosen 5 fixing screws of Front Grille 9 Pull the lower left and right of discharge softly for the outside cover to be pulled out 10 In order to disassemble the Panel Grille press in order the left center and right of the upper s...

Page 53: ...uding Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 If pulling the main PCB up it will be taken out 1 Pull Tray Drain out from the Back Body 1 Loosen 2 fixing earth screws of right side 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 ...

Page 54: ...ronics No Parts Procedure Remark 5 Fan Motor Cross Fan 1 Loosen 2 fixing screws and detach the Motor Holder 2 Loosen the fixing screw of Fan Motor with a M3 wrench 3 Detach the Fan Motor from the Fan 4 Detach the Fan from the left Holder Bearing ...

Page 55: ...MPORTANT 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 Front Grille will drop suddenly and you will be hurt 2 Detach the Front Grille 1 Remove the safety clips 2 Open the Front Grille about 45 and pull it forward 3 Pull out the Air Filter 4 1 3 MH026FKEA MH035FKEA ...

Page 56: ... Reassembly 55 Samsung Electronics No Parts Procedure Remark 2 Front Panel 1 Loosen 6 fixing screws holding the panel as shown picture 2 Detach the Front Panel pressing the 2 hooks on the both sides of the indoor unit ...

Page 57: ...ng Electronics 56 Disassembly and Reassembly No Parts Procedure Remark 3 Drain Panel 1 Loosen 4 fixing screws for Ass y Drain Panel around as shown in pictures 2 Detach Ass y Drain Panel as shown in Pictures ...

Page 58: ...cs Disassembly and Reassembly No Parts Procedure Remark 4 Control In 1 Detach the Control Cover after disassembling 2 screws as shown in pictures 2 Detach the wire connection part of the Ass y Main PCB as shown in picture ...

Page 59: ...ng Electronics 58 Disassembly and Reassembly No Parts Procedure Remark 3 Loosen 2 fixing screws of Case Control as shown in pictures 4 Loosen the fixing screw 5 Detach the Ass y Case Control part pulling up ...

Page 60: ...s Disassembly and Reassembly No Parts Procedure Remark 6 Loosen the fixing screw and detach earth cable 7 Loosen the fixing screw and detach Terminal Cover as shown in pictures 8 Loosen 2 fixing screws as shown in pictures ...

Page 61: ...assembly and Reassembly Samsung Electronics 60 No Parts Procedure Remark 9 Loosen 2 fixing indicating screws of earth cable and the fixing screw of Base Terminal 10 Detach Base Terminal as shown in picture ...

Page 62: ...No Parts Procedure Remark 5 6 Drain Panel Sub Evap 1 Detach Ass y Drain Panel Sub after loosen 2 fixing screws both side of it 1 Loosen 4 fixing screws of Ass y Evap around 2 Loosen 2 fixing screws as shown in picture and detach Ass y Cabinet Side LF B ...

Page 63: ... 3 Detach Ass y Evap pulling up from the indoor unit as shown in picture 1 Loosen 3 fixing screws of cover Fan Motor and detach cover Fan Motor 2 Detach Ass y Cross Fan as shown in picture 1 Loosen 4 fixing screws as shown in picture 2 Detach Drain Hose and detach Ass y Drain Pump as shown in pictures ...

Page 64: ...ction of 2 Plate 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 cushion on the marked part after initial installation It cause the damage of noise 1 After disassembling 9 fixing screws detach Ass y Cover Bottom 4 1 4 MH052FDEA ...

Page 65: ...Parts Procedure Remark 2 Loosen 6 fixing 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 Connector 5 Detach the Ass y Blower and Duct from the set ...

Page 66: ...3 Control In 1 Loosen the fixing screw detach the Cover Control 2 Detach the Motor Fan in and Sensor Connector connected to PCB 3 Loosen 2 fixing screws arrow mark 4 Hold the Ass y Control In by hand to lift up a little and then release the status of hanging on the hanging slot ...

Page 67: ...ng screws to detach Ass y Drain Pan 2 screws each at left and right side Work is possible when disassembling the Ass y Drain Pan 1 Loosen 8 fixing screws 4 each at left and right side 2 Loosen 6 fixing screws 3 Loosen 5 fixing screws It is possible at the status of No 3 Ass y Control In disassembly at the time ...

Page 68: ... Samsung Electronics No Parts Procedure Remark 4 Loosen 4 fixing screws 5 Pull the Cabinet Side LF RH by hand to disassemble 6 Loosen 4 fixing screws 2 each at left and right side 7 Detach it from the set if the Ass y Evap pull up ...

Page 69: ...let When connecting canvas to the discharge side 1 Loosen 4 fixing screws 2 each at left and right side 2 Loosen 12 fixing screws 6 each at upper and lower side After connecting canvas to the disassembled Ass y Holder Outlet 2 attach the Ass y Holder Outlet to the set in the reverse order ...

Page 70: ...e Cabinet Upper 4 Loosen 5 fixing screws from the Ass y Control Out 5 Detach the Terminal Housing from the Ass y Control Out 6 Detach the Ass y Control Out from the outdoor unit 7 Loosen 7 fixing screws and detach the Cabinet Side 4 2 1 MH068FXEA4 MH080FXEA4 4 2 Outdoor Unit Take care of the electrical shock by contact on the charging parts before the discharge after power off If takes approximate...

Page 71: ...Heat Exchanger 1 Loosen 2 fixing screws of the Guard Fan 2 Remove the nut flange Turn to the clockwise 3 Detach the Fan 4 Loosen 4 fixing screws to detach the Motor 1 Loosen 3 fixing screws of Ass y Frame and Partition 2 Detach the inlet and outlet pipe by welding 3 Detach the Heat Exchanger ...

Page 72: ...ark 4 Compressor 1 Open the Terminal Cover of Compressor and unscrew the Connection Terminal 2 Detach the inlet and outlet pipe of compressor by welding 3 Detach the inlet and outlet pipe of condenser by welding 4 Loosen the 3 bolts of the lower part 5 Detach the Compressor ...

Page 73: ... 72 5 Refrigerating Cycle Diagram 5 1 MH068FXEA4 MH080FXEA4 Inverter Comp Main accum Sub accum 1 2 3 8 1 2 Service v v 5 8 Header 5 8 Distributor 3 8 3 8 3 8 1 2 Service v v 3 8 Receiver 1 2 1 4 1 4 1 4 1 4 EEV 1 2 3 4 OUTDOOR UNIT INDOOR UNIT ROOM A ROOM B ROOM C ROOM D ...

Page 74: ... C 6 1 2 Heating Mode Operation In case of Heat pump model When selecting the Heating Mode Operation the unit will operate according to the setting 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 Ts means remote control setting Temperature Room Temp C Ts 1 Ts Compressor ON OFF ON Time Room Temp C Ts 5 Ts 3 Comp...

Page 75: ... the unit is operated in the Heat Mode 1 T means that user is able to change setting temperature within 2 C 2 In case of Cooling only model 1 In case the Room Temp 25 C T the unit is operated Compressor 1 In case the Room Temp 24 C T the unit is not operated Compressor 1 T means that user is able to change setting temperature within 2 C Operating Mode Setting Temp Remarks Room Temp 21 C T Cooling ...

Page 76: ... operation and by 1 C one hour later The operation will stop after 6 hours AT HEATING MODE When you set the sleep mode the following movement will start to avoid overheating The indoor fan speed is fixed by setting the remote control The setting temperature will be dropped by 1 C at the starting of operation and by 1 C one hour later The operation will stop after 6 hours Start Stop 1 C up 1 C up 1...

Page 77: ...ng or cooling mode compressor is operated for 30minutes regardless of room temperature After 30minutes of turbo operation the unit will operate in normal state Indoor FAN Speed COMP_or Control Operation MODE Setting Speed Setting Speed High HEAT Turbo COOL 30 min TURBO Operation TURBO Operation Start TURBO Operation End COMP or ON ...

Page 78: ... to control the room temperature below 26 C in the Energy saving mode the room temperature will be com pelled to be 26 C If you select the Energy saving mode the up down louver will enter the Swing status OPERATION PATTERN A In the Energy saving mode when Room Temperature Tr equals to the Setting Temperature Ts or over OPERATION PATTERN B In the Energy saving mode when Room Temperature Tr is below...

Page 79: ...er Indoor fan speed below 28 C off 28 C below 34 C LL speed 34 C below 40 C L speed above 40 C setting speed When compressor is on 40 C 34 C 28 C 20 C Setting speed L Speed LL Speed OFF Compressor OFF OFF UL ON When compressor is off When compressor begins operating The temperature of indoor heat exchanger Indoor fan speed above 20 C UL speed below 20 C off after 10 minutes when compressor stops o...

Page 80: ...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 60 C offset 53 C offset 50 C offset Compressor Outdoor Fan Indoor Fan ON ON Time ON OFF OFF Low Speed 3min Delay 2Sec ON Setting Speed offset 0 1 2 3 C ...

Page 81: ...re of indoor heat exchanger increase over 0 C during 6 minutes counting 6 minutes counter is cleared If the temperature of indoor heat exchanger maintains for a minute at 4 C during the 6 minutes counting switch off the compressor If the compressor is off by Low Temp Release 5 minutes release is impossible Operation pattern Indoor Heat exchanger Temp C 5 C 0 C 1 C 6min 6min 6min COUNT ON Low temp ...

Page 82: ...on When the accumulating time of compressor ON is over 20 minutes D condition When the accumulating time of compressor ON is over 3Hr E condition When operating time of compressor without stopping is over 6 minutes F condition If the compressor is off thermo off when the temperature of indoor heat exchanger is below about 46 C it is considered as one cycle If it happens 2 times continuously It is ...

Page 83: ...eratures are low and humidity is high frost may form in the outdoor unit when heating with your air conditioner If this happens The heating operation is stopped The Deice mode is triggered automatically for about seven minutes The OPERATION indicator on the indoor unit lights up red No intervention is required from you after about seven minutes the air conditioner starts operating again normally I...

Page 84: ... Indoor Temperature Indoor Humidity Heating 15 C to 24 C approx 27 C or less Cooling 5 C to 43 C approx 21 C to 32 C approx 80 or less Drying 5 C to 43 C approx 21 C to 32 C approx The standardized temperature for heating is 7 C If the outdoor temperature drops to 0 C or below the heating capacity can be reduced depending on the temperature condition If the cooling operation is used at over 32 C i...

Page 85: ... D B temp C Low pressure kg cm 2 G 9K BTU 20 25 30 35 40 45 32 4 24 0 30 6 22 5 28 8 21 0 27 0 19 0 24 0 17 0 21 5 15 0 7 6 5 4 Outdoor inlet air D B temp C Indoor inlet air D B temp C Low pressure kg cm 2 G 12K BTU 20 25 30 35 40 45 32 4 24 0 30 6 22 5 28 8 21 0 27 0 19 0 24 0 17 0 21 5 15 0 7 6 5 4 Outdoor inlet air D B temp C Indoor inlet air D B temp C Low pressure kg cm 2 G ...

Page 86: ...u push the button the display panel reads or repeatedly Setting is not required if you must a value which has a default Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 3 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 4 Push the button to set the display panel to Every time y...

Page 87: ... key with the direction of remote control for set 7 8 Press button then the default value is Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 10 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 9 Push the button to set the display panel to Every time you push the button the dis...

Page 88: ...ronics Set up the Model Option Table of the option code MODEL OPTION CODE OD6400 142351 OD7404 162362 OD5408 192351 005600 14221D 005600 162340 015200 190000 MH026FPEA MH035FPEA MH052FPEA MH026FKEA MH035FKEA MH052FDEA ...

Page 89: ...the air conditioner does not operate The compressor and indoor fan stop intermittently in HEAT mode Indoor fan and outdoor fan stop operation intermittently in a HEAT mode The compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases Explanation In happens after a delay of 3 minutes when the compressor is reoperated The same phenomenon occurs when a powe...

Page 90: ...ss K2 switch once to cancel this mode 2 If this PIPE CHECK MODE finished without error LED shows normal display and press K3 to restart the system 2 This mode is for finding the combination between indoor unit and each valve on the outdoor unit Because refrigerant flow is controlled with EEV in the outdoor controller should know which EEV will controls which indoor unit 2 It takes 5 to 50 minute t...

Page 91: ...as no power confirm power cable connection especially miss wiring between communication cable and power cable 3 If error code E101 or E185 is displayed on indoor unit LED check communication wire and power wire connection 4 If error code E460 is displayed on outdoor unit LED AC power line could be connected to outdoor communication terminal F1 F2 So check the wiring not only communication line but...

Page 92: ...or temperature sensor error Short Open Temperature sensor Error level over 4 9V 50 C under 0 4V 93 C Condenser temperature sensor error Short Open Temperature sensor Error level over 4 9V 50 C under 0 4V 93 C Condenser temperature sensor detached Temperature sensor Compressor discharge sensor error Short Open Error check condition outdoor temperature over 20 C Temperature sensor Error level over 4...

Page 93: ...n communication and power cable Wiring indoor and outdoor Inverter compressor starting failure 5 times Compressor trip by input current limit control Compressor trip by OLP temperature limit control Compressor peak current protection Compressor overload protection by current DC link voltage error under 150V or over 410V Compressor rotation error Current sensor error DC link voltage sensor error Co...

Page 94: ...ature sensor detached Heat exchanger in sensor Indoor unit heat exchanger out temperature sensor detached Heat exchanger out sensor Indoor unit heat exchanger in out temperature sensor detached Heat exchanger in out sensor Indoor unit fan motor malfunction Fan motor and cable More than 2 indoor units cool and heat simultaneously Another indoor unit operation mode EEPROM error Indoor PCB Option cod...

Page 95: ...oltage of 48 indoor fan of the micom normal Is rating voltage 10 range applied to the primary side of the BD71 Check linkage between power cord and terminal tap Check fuse Is 300V DC appear in the secondary side of BD71 Replace SMPS PARTS Yes No Yes No Yes Yes Yes No Yes Yes DC5V 10ms 10ms 250ns No OK Yes Yes Yes Yes No No Yes Normal Refer to remote control unit fault diagnosis Replace PCB module ...

Page 96: ...thod and electrical circuit No Yes No Replace of Ass y display PCB Replace the main PCB of indoor unit No trouble normal Check of remote control Normal Yes Yes No Yes No No Yes No Yes No Yes Apply the power Is the outdoor power connected normally Is the fuse F701 250V 3 15A of PCB open Is the output voltage of electrostatic voltage regulator IC KA7805 DC 4 5V 5 5V Is the operation icon lamp flicke...

Page 97: ...de of power side D101 D104 and KA7812 After watching the display of PCB board assemble the color and shape of housing correctly as follows Is the fuse open F701 Is the fuse F101 250V 2A blown out Check whether the output voltage of IC01 KA7812 is DC 12V Check whether the output voltage of IC02 KA7805 is DC 5V Insert the primary side of power transformer in the terminal GT01 and then is the voltage...

Page 98: ... of indoor unit fan motor Is the operation icon lamp flickering with the sound of ting Is the type of MICOM IC04 pin 48 old type 120Hz Error Error Code E3 occurs after the indoor unit fan motor is rotating for 15 seconds Yes Yes Yes No Yes Yes Yes No No No No No Yes Yes Is the pin 15 of IC07 ULN2003A the old type Is the pin 17 of MICOM the old type 120Hz If the power is not available indoor unit r...

Page 99: ...eration is selected according to the temperature condition of outdoor room 2 When A room and B room are mixed to operate it is always under low operation 3 Perform the Comp ON OFF control in the dry mode 4 When it is under the operation of anti freezing overload protection defrost operation it may be Low high or Off 5 Hi High speed Low Low speed Yes No No No No No No Yes Yes Yes Yes Yes Normal ope...

Page 100: ...cedure No Power parts Refer to page 96 Normal Remote control power cord and plug in again in approx 5 seconds Yes Up Down louver motor is faulty Is the operation icon lamp flickering with the sound of ting Does operation start when swing button of the remote control unit pushed No No Micom IC04 is faulty Voltage at pin 26 29 of micom IC04 change Squarewave Yes No Driver IC06 ULN2003A or IC07 ULN20...

Page 101: ...is impossible Initial Diagnosis 1 Troubleshooting procedure No Yes Replace battery Voltage of battery less than 2 5V Remote Control Unit No No LCD is faulty LCD display status of REMOTE CONTROL normal Yes No Replace button Transmission display lamp blinking when ON OFF button on the remote control unit pushed Yes No Micom is faulty Voltage at pin 30 of Remote control Micom change Yes No Q601 C4375...

Page 102: ...ay valve off immediately in case of B and C room 4 The changeover of cooling to heating it is on after 170 seconds delay Yes No No No No Yes Yes Yes Yes Keep 4 Way valve off Normal Defect of RY76 RY77 contact and coil Replace the Relay Defect of IC06 IC07 output Replace Defect of IC04 MICOM replace the IC04 or PCB ass y Put off the outdoor unit power and put it on again after 5 seconds Select the ...

Page 103: ... indoor unit operation Comp A B power measuring terminal 1 Comp A measuring RY73 4 RY72 4 2 Comp B measuring RY71 4 RY72 4 3 Power input RY72 3 RY73 3 Refer to the power measuring terminal RED BLK RY73 RY71 BLK RED WHT RY72 3 4 3 4 3 4 Keep Comp off Normal Defect of Comp and running condenser Replace Defect of RY72 73 Comp B and RY71 Comp A contact and coil Replace Defect of IC06 output Replace De...

Page 104: ...its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish them using an emery paper or the like before soldering them Since the lead wires of any new part are covered with an oxide film solder cannot adhere to the lead wires if not polished 6 When soldering ...

Page 105: ...tage at OUT and GND of IC02 5VDC 5 DC voltage at Q201 Base and GND change 5 squarewave Voltage check 1 Voltage of relay RY71 72 73 coil Voltage at pin 13 14 15 of IC07 12VDC 2 Voltage at RY72 No and RY71 No RY72 No and RY73 No the rating voltage 10 range 1 Compressor does not operate 1 Voltage at both ends of CN72 above 180V 2 Indoor unit fan motor does not operate Voltage over Indoor unit fan mot...

Page 106: ...MEMO 105 Samsung Electronics ...

Page 107: ...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 3 2 7 10 7 2 7 3 7 1 8 9 13 14 12 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 9 Exploded Views and Parts List 9 1 Indoor Unit 9 1 1 MH026FPEA MH035FPEA ...

Page 108: ...A SPACE EVAP LOW PVC 1 4 DB95 00367E ASS Y FILTER BIO ASS Y 1 5 DB63 00581A COVER TERMINAL HIPS DB63 00588A COVER TERMINAL HIPS 1 6 DB93 02531P ASS Y REMOCON ASS Y 1 7 DB94 00488A ASS Y BACK BODY ASS Y DB94 00486A ASS Y BACK BODY ASS Y 1 7 1 DB61 01098A BACK BODY HIPS DB61 01119A BACK BODY HIPS 1 7 2 DB63 00580A COVER IONIZER HIPS 1 7 3 DB94 00258A ASS Y BEARING ASS Y 1 8 DB94 00040R ASS Y CROSS F...

Page 109: ...ung Electronics 108 Exploded Views and Parts List 9 1 2 MH052FPEA 4 6 12 4 12 2 12 1 12 5 12 3 12 6 2 8 5 1 1 1 2 1 1 3 1 1 4 1 1 5 1 1 6 12 1 4 1 3 1 1 1 1 1 3 7 7 5 7 6 7 7 7 4 7 1 7 3 7 2 10 7 8 1 2 11 9 ...

Page 110: ...SS Y 5 DB63 00594A COVER TERMINAL HIPS 6 DB93 02531P ASS Y REMOCON ASS Y 7 DB94 00531A ASS Y BACK BODY ASS Y 7 1 DB94 00040J ASS Y CROSS FAN ASS Y 7 2 DB60 20011A BOLT SPECIAL M6 7 3 DB31 10151C MOTOR FAN IN 7 4 DB61 01135A BACK BODY HIPS 7 5 DB61 01136A HOLDER MOTOR PP 7 6 DB63 00580A COVER IONIZER HIPS 7 7 DB73 00128A RUBBER BEARING 7 8 DB94 40007A BEARING MOTOR 8 DB67 60030A SPRING SENSOR 9 DB7...

Page 111: ...Samsung Electronics 110 Exploded Views and Parts List 9 1 3 MH026FKEA MH035FKEA 13 12 11 10 9 3 1 8 7 6 18 3 1 22 23 2 4 5 15 16 19 20 21 14 1 17 24 14 2 14 ...

Page 112: ...0 DB63 00165A COVER FAN MOTOR Fire Resistant P S V0 1 1 11 DB61 00362A CASE CONTROL Fire Resistant P S V0 1 1 12 DB93 02335D ASS Y PCB MAIN IN ASS Y 1 1 13 DB63 00167A COVER CONTROL ASS Y 1 1 14 DB98 20268A ASS Y EVAP ASS Y 1 1 14 1 DB60 00057A SPACER EVAP ABS 1 1 14 2 DB32 00035B THERMISTOR ASS Y 103AT 1 1 15 DB61 00365A BRACKET TERMINAL SGCC M 1 1 16 DB61 00394A BASE TERMINAL ABS 1 1 17 DB65 000...

Page 113: ...Samsung Electronics 112 Exploded Views and Parts List 1 2 8 9 10 11 3 6 7 4 5 ...

Page 114: ...DE V HIPS UL94 V0 10 3 DB66 00157A LINK BLADE POM 2 4 DB63 00163A COVER PCB CASE HIPS UL94 V0 1 5 DB98 01021A DISPLAY PCB ASS Y 1 6 DB31 10153D STEP MOTOR MSFCC20A05 1 7 DB61 00535A HOLDER MOTOR HIPS UL94 V0 1 8 DB64 00234B PANEL FRONT HIPS UL94 V0 1 9 DB66 00159A BLADE H HIPS UL94 V0 1 10 DB64 00243B GRILLE FRONT HIPS UL94 V0 1 11 DB64 00244A GRILLE AIR INLET PP 1 PK118M ...

Page 115: ...Exploded Views and Parts List Samsung Electronics 114 9 1 4 MH052FDEA 1 2 5 13 18 10 11 19 17 9 4 14 15 7 8 6 16 3 12 19 2 19 6 19 3 19 1 5 1 5 6 5 5 5 4 5 2 5 7 5 3 19 4 19 5 ...

Page 116: ... IN BRACKET MOTOR GUIDE ASS Y CABI LF ASS Y CABI INLET LF PLATE HANGER LF ASS Y EVAP UNIT ASS Y CABI INLET RH ASS Y CABI SIDE RH PLATE HANGER RH CABINET SIDE RH B ASS Y HOLDER OUTLET ASS Y COVER BOTTOM PLATE HANDLE FILTER PRE COVER CONTROL ASS Y CONTROL IN ASS Y CASE CONTROL ASS Y PCB MAIN TERMINAL BLOCK 6P TERMINAL BLOCK 6P C FILM TRANS POWER HOLDER WIRE SGCC M T0 8 SGCC M T0 8 ASS Y BLK SGCC M T...

Page 117: ...Samsung Electronics 116 11 3 1 9 1 1 10 2 14 21 15 16 6 18 7 4 5 12 17 17 1 13 16 1 16 2 16 3 16 4 20 19 8 9 2 Outdoor Unit 9 2 1 MH068FXEA4 MH080FXEA4 ...

Page 118: ... 10 DB64 00716A HANDLE CABI RH 1 1 11 DB90 01007B ASS Y COVER TOP 1 1 12 DB63 01058A GUARD COND 1 1 13 DB95 00586A ASS Y COMP 1 1 14 DB96 03803A ASS Y TUBE SUCTION 1 1 15 DB96 03788A ASS Y 4 WAY VALVE 1 1 16 DB99 00557A ASS Y VALVE 1 1 16 1 DB96 03789A ASS Y TUBE EEV 1 1 16 2 DB96 03790A ASS Y TUBE EEV 1 1 16 3 DB96 03791A ASS Y TUBE EEV 1 1 16 4 DB96 03792A ASS Y TUBE EEV 1 1 17 DB93 02892A ASS Y...

Page 119: ...cs 118 9 3 Ass y Control In Indoor Unit Material LDPE Adhesive protected vinyl SPEC T0 03 Square 75x75 Be sure to cover the side of cylinder of ejected material BAR CODE ATTACHIMENT Detecting side MH026FPEA DB93 02884A ...

Page 120: ...PS 1 8 DB32 00020A ASS Y THERMISTOR ASS Y 1 9 DB32 00029D ASS Y THERMISTOR ASS Y 1 10 6001 000929 SCREW MACHINE PH M3xL22 1 11 SCREW MACHINE TH M4xL10 12 6001 000725 SCREW MACHINE TH M4xL16 2 13 DB93 01380B C W MODULE ASS Y 1 14 DB39 00643M C W STEP MOTOR UP DOWN ASS Y 1 15 DB62 01368X SEAL 61x40x3 30FOAM PE GLAY 1 16 SCREW MACHINE PHM4X10 1 17 DB39 00780B C W STEPPING MOTOR ASS Y AUTO GRILLE 1 18...

Page 121: ...and Parts List Samsung Electronics 120 Material LDPE Adhesive protected vinyl SPEC T0 03 Square 75x75 Be sure to cover the side of cylinder of ejected material BAR CODE ATTACHIMENT Detecting side MH035FPEA DB93 02885A ...

Page 122: ...S 1 8 DB32 00020A ASS Y THERMISTOR ASS Y 1 9 DB32 00029D ASS Y THERMISTOR ASS Y 1 10 6001 000929 SCREW MACHINE PH M3xL22 1 11 SCREW MACHINE TH M4xL10 12 6001 000725 SCREW MACHINE TH M4xL16 2 13 DB93 01380A C W MODULE ASS Y 1 14 DB39 00643F C W STEP MOTOR UP DOWN ASS Y 1 15 DB62 01368X SEAL 61x40x3 30FOAM PE GLAY 1 16 SCREW MACHINE PH M4X10 1 17 DB39 00780B C W STEPPING MOTOR ASS Y AUTO GRILLE 1 18...

Page 123: ...Material LDPE Adhesive protected vinyl SPEC T0 03 Square 100x100 Be sure to cover the side of Holder Display Exploded Views and Parts List Samsung Electronics 122 MH052FPEA DB93 02744A ...

Page 124: ...TOR ASS Y 1 13 DB93 01384B ASS Y C W AC DC CONNECTION ASS Y 1 14 DB93 01380C ASS Y C W MODULE PCB ASS Y 1 15 DB93 01543A C W STEP MOTOR UP DOWN ASS Y 1 16 2301 001371 CAPACITOR 2 0uF 450VAC 1 17 DB32 00020H ASS Y THERMISTOR 4P 103AT 1 18 DB62 01368X SEAL 61x40x3 30FOAM PE 1 19 DB61 01106A CASE CONTROL DC HIPS VO 1 20 6501 000123 CABLE TIE DA 140 1 21 DB32 00029G EVA OUT ASS Y 1 22 DB39 00780B ASS ...

Page 125: ...Exploded Views and Parts List Samsung Electronics 124 MH026FKEA MH035FKEA DB90 00590A Bar code apply Insert into the lower part ...

Page 126: ...A HOLDER WIRE ABS BLK 2 2 5 DB65 10088B CABLE TIE 1 1 6 6002 000234 SCREW TAPPING ZPC YEL 4 4 7 6001 000841 SCREW MACHINE ZPC YEL 2 2 8 6009 001001 SCREW SPECIAL ZPC YEL 2 2 9 6002 000231 SCREW TAPPING ZPC YEL 2 2 10 DB61 00365A BRACKET TERMINAL SGCC M 1 1 11 DB61 00163A BRACKET EARTH SGCC M 1 1 12 DB39 00255B C W POWER COMMUNICATION 1 1 13 DB39 00165A CONNECTOR WIRE EARTH 1 1 14 DB68 01975A LABEL...

Page 127: ...93 01037L A Part CAPACITOR CAPACITOR B Part Storing being assembled with blower part ASSY Position for the attachment of label name Model No 3 Wire connection diagram DB65 00004L apply PowerCord Ventilatior Heater IndoorUnitCommunication Connectionofwiredremotecontrol ...

Page 128: ...ATER 1 7 DB26 10065B TRANS POWER DC17V DC500mA 1 8 DB61 40291B HOLDER WIRE PP 2 9 2301 001369 C OIL 3 0uF 450VAC 1 10 DB61 00449A CASE PCB ABS 1 11 6002 000231 SCREW TAPPING TH 2S M4x12 ZPC YEL 4 12 6001 000044 SCREW MACHINE TH M4 L18 ZPC YEL 4 13 SCREW TAPPING PH M4 L22 2 14 DB73 30039A BUSHING NR BLK T7xD37 1 15 DB69 60008A BAND CAPACITOR SBHG1 M T0 8 1 16 DB73 30038A BUSH CONDENSOR NR BLK 1 17 ...

Page 129: ...y shape of wire is omitted Refer to the drawing of right side for the assembly shape Connect to CN58 Connect to CN57 Connect to CN61 25 34 9 30 31 30 26 34 11 12 16 13 14 15 10 5 3 8 4 28 27 11 7 12 34 33 24 14 13 22 8 11 12 27 28 5 15 10 14 13 20 21 15 30 17 1 17 2 18 29 30 32 31 6 19 30 23 9 4 Ass y Control Out Outdoor Unit ...

Page 130: ...765Q CONNECT WIRE HEATER 2 15 DB39 00765P CONNECT WIRE 1 16 DB93 02894A ASS Y PCB OUT DISPLAY 1 17 DB61 01948A CASE SUB PCB 1 18 DB65 40062F TERMINAL BLOCK 1 19 DB61 40291B HOLDER WIRE 3 20 DB62 02900A HEAT SINK 1 21 DB81 00547A INSULATOR MICA T0 1 45x28 1 22 DB62 03079A SIDE COVER 1 23 DB61 01197A CASE CONTROL BASE 1 24 2301 001369 FAN MOTOR CAPACITOR 3 0uF 450V 1 25 DB61 01198A CASE CONTROL UPP ...

Page 131: ...detect Address S W Buzzer SSR SMPS Indoor Unit control MICOM Comm Interface RS485 Comm Interface RS485 System control Micom Comm Interface RS485 Inverter Micom Relay EMI Filter Relay x2 Relay SMPS Inverter driver PFC driver Terminal block L N F1 F2 V1 V2 Indoor Unit 2 Indoor Unit 3 OUTDOOR UNIT Indoor Unit 4 Center controller Option Transmitter Option Wired remote controller Option Wireless remote...

Page 132: ...131 Samsung Electronics 11 PCB Diagram 11 1 MAIN PCB Indoor Unit TOP ...

Page 133: ...Samsung Electronics 132 PCB Diagram BOTTOM ...

Page 134: ...1 IC05 IC EEPROM 93LC56 128x16Bit SOP 8P 150MIL 2 5V 1 IC03 IC VOLTAGE COMP 7533 TO 92 3P SINGLE PLASTIC 1 IC02 IC POSI ADJUST REG 78L05A TO 92 3P PLASTIC 4 6 1 IC01 IC PWM CONTROLLER 266 DIP 8P 300MIL PLASTIC 0 3 7 1 NTC1 THERMISTOR NTC 22ohm 1 4A 3100K 9 5mW C 7 0 1 VA71 VARISTOR 560V 2500A 17 5x7 5mm TP 1 R701 R706 R METAL OXIDE S 100Kohm 5 2W AA TP 4x12mm 2 R704 R CEMENT 5 1Kohm 5 5W BK 12 7x1...

Page 135: ...11 5 1 C102 C AL 15uF 20 450V GP TP 12 5x20mm 5 1 X301 RESONATOR CERAMIC 10MHz 0 5 BK 8x3x5 5mm 1 BZ61 BUZZER PIEZO 85DB 2KHz 1 SW01 SWITCH DIP 24V 300mA SLIDE 1 SS71 SSR 12Vdc 2A 1mS 1mS 1 F701_1 FUSE CARTRIDGE 250V 3 15A TIME LAG GLASS 5x20mm 1 F702 FUSE RADIAL LEAD 250V 1A TIME LAG 8 5x8mm 1 F701 FUSE BLOCK 500V 100M 1 CN71 CONNECTOR HEADER 1WALL 3P 1R 7 92mm STRAIGHT SN BL 1 CN72 CONNECTOR HEA...

Page 136: ...135 Samsung Electronics 11 2 MAIN PCB Outdoor Unit 11 2 1 MH068FXEA4 MH080FXEA4 TOP ...

Page 137: ...Samsung Electronics 136 PCB Diagram BOTTOM ...

Page 138: ... 5 3 C108 C CER CHIP 330NF 10 50V X7R TP 2012 1 C109 C112 C116 C117 C121 C CER CHIP 100nF 80 20 50V Y5VTP 2012 34 C302 C303 C304 C305 C306 C404 C405 C406 C407 C408 C409 C410 C417 C418 C429 C110 C114 C119 C806 C807 C AL 220uF 20 25V GP TP 8x11 5 5 5 C113 C122 C803 C CER CHIP 1000nF 10 25V X7R 3216 3 C118 C401 C402 C403 C AL 47uF 20 50V GP TP 6 3x11 5 4 C123 C AL 100uF 20 25V GP TP 6 3x11 5 1 C201 C...

Page 139: ...V 25MHz OTP 24 16 QF 1 IC11 IC PWM CONTROLLER TOP243 DIP 7P 9 83x6 6mm PLASTIC 1 IC12 IC61 IC62 PHOTO COUPLER TR 100 300 200mW SOP TP 3 IC13 IC POSI TL431ACD SOP 8P 4 9x3 9mm PLASTIC 1 IC16 IC19 ASS Y VOLTAGE REGULATOR KIA78M05 KA78M05 2 IC20 IC BUS TRANCEIVER 485 DIP 9P 300MIL SINGLE ST PL 1 IC21 IC42 IC VOLTAGE COMP 393 SOP 8P 150MIL DUAL 36V CMO 1 IC30 IC CMOS LOGIC 74HC86 OR GATE SOP 14 150MIL...

Page 140: ...CHIP 4 7Kohm 5 1 8W TP 2012 1 R408 R409 R410 R CHIP 330ohm 5 1 8W TP 2012 3 R412 R427 R718 R719 R CHIP 1Kohm 1 1 8W TP 2012 4 R413 R414 R415 R429 R430 R CHIP 150Kohm 5 1 2W TP 5025 6 R431 R417 R CHIP 30 1ohm 1 1 8W TP 2012 1 R418 R419 R432 R CHIP 110Kohm 1 1 2W TP 5025 3 R420 R CHIP 2 7Kohm 1 1 8W TP 2012 1 R421 R CEMENT 15mohm 5 15WWR15P ABC0 1 R422 R CHIP 47Kohm 1 1 8W TP 2012 1 R423 R509 R707 R...

Page 141: ...P 3216 7 R906 R907 R908 R909 R910 R CHIP 8 2Kohm 1 1 10W TP 1608 3 RY01 RELAY POWER 12VDC 0 9W 20000MA SPST 20MS 10MS 1 RY31 RELAY MINIATURE 12V 11 7MA DPDT 4MS 4MS 1 VA01 VA02 VA03 VA04 VA05 VARISTOR 560V 2500A 17 5x7 5mm TP 5 XTAL01 RESONATOR 6 25MHz 0 5 YP 8 5x6 5x4 0 1 XTAL51 RESONATOR 4MHz 0 5 BK 8X3X5 5MM 1 ZD21 ZD22 ZD72 DIODE ZENER MMBZ5232B 5 225mW SOT 23 TP 3 IC50 IC MICOM MB90F823 80P 5...

Page 142: ...AC TP 3 IC51 IC52 IC53 IC54 IC55 TR ARRAY 2003 NPN 7 1W SOP 16 ST 1000 5 IPM ASS Y IPM PS21869 1 Q803 ASS Y IGBT SGL 160N60UF 1 R002 R003 R CHIP 470Kohm 5 1 2W DA TP 5025 2 R116 R117 R118 R CHIP 680Kohm 5 1W TP 6432 3 R201 R206 R CHIP 90 9Kohm 1 1 4W TP 3216 2 R203 R CHIP 1 82Kohm 1 1 8W TP 2012 1 Specification Remark Q TY Description Location No Parts List Bottom ...

Page 143: ...MH026FPEA MH035FPEA DB93 01368G Parts List No 1 ASS Y LED MODULE 1 SNA 2 PCB DISPLAY FR 1 T1 6 1 SNA 3 TACT SWITCH KPT 1105A 1 SNA 4 RESISTOR 200ohm 2W 2 SNA 5 RESISTOR 100ohm 2W 3 SNA 6 CONNECTOR WIRE 14P 1 SNA Specification Description Remark Q TY ...

Page 144: ...B Diagram MH052FPEA DB93 01368C Parts List No 1 ASS Y LED MODULE GREEN 1 SNA 2 PCB DISPLAY FR 1 T1 6 1 SNA 3 TACT SWITCH KPT 1105A 1 SNA 4 RESISTOR 200ohm 2W 5 SNA 5 CONNECTOR WIRE 14P 1 SNA Specification Description Remark Q TY ...

Page 145: ...06 001093 SW01 1 PT65 101 24V 400mA 6 3407 000121 SW02 1 DIP SW 24V 300mA 7 J5 J10 2 Jumper 7 5mm 8 J6 J7 2 Jumper 10mm Location No Code No Specification Q TY Description BOTTOM No 1 0401 000133 D901 D902 D903 D904 D905 12 RLS4148 100V 200mA D906 D907 D908 D909D910 D911 D912 Location No Code No Specification Q TY Description PCB No 1 DB41 00342A PCB DISPLAY 1 FRI 1oz 6 Array 6Array Bare board Loca...

Page 146: ...m 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 5 x 1 1 SNA 6 MODULE FRP4021H7 1 SNA Specification Description Remark Q TY 11 4 ASS Y MODULE PCB MH026FPEA MH035FPEA DB93 01369A ...

Page 147: ...OR 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 5 x 1 1 SNA 6 MODULE FRP4021H6 1 SNA Specification Description Remark Q TY MH052FPEA DB93 01369B ...

Page 148: ...147 Samsung Electronics 12 Wiring Diagram 12 1 Indoor Unit This Document can not be used without Samsung s authorization Code No DB98 20172A MH026FPEA MH035FPEA ...

Page 149: ...Samsung Electronics 148 Wiring Diagram This Document can not be used without Samsung s authorization Code No DB98 20217A MH052FPEA ...

Page 150: ...149 Samsung Electronics Wiring Diagram This Document can not be used without Samsung s authorization MH026FKEA MH035FKEA Code No DB98 20898A ...

Page 151: ...Samsung Electronics 150 Wiring Diagram This Document can not be used without Samsung s authorization MH052FDEA Code No DB98 20896A ...

Page 152: ...151 Samsung Electronics This Document can not be used without Samsung s authorization 12 2 Outdoor Unit MH068FXEA4 MH080FXEA4 Code No DB68 20814A ...

Page 153: ...Samsung Electronics 152 13 Schematic Diagram 13 1 Indoor Unit STEP MOTOR This Document can not be used without Samsung s authorization MH026FPEA MH035FPEA ...

Page 154: ...153 Samsung Electronics MH052FPEA Schematic Diagram This Document can not be used without Samsung s authorization ...

Page 155: ...Samsung Electronics 154 Schematic Diagram STEP MOTOR MH026FKEA MH035FKEA This Document can not be used without Samsung s authorization ...

Page 156: ...155 Samsung Electronics Schematic Diagram This Document can not be used without Samsung s authorization MH052FDEA ...

Page 157: ...Samsung Electronics 156 This Document can not be used without Samsung s authorization 13 2 Outdoor Unit MH068FXEA4 MH080FXEA4 ...

Page 158: ...g 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 DB98 20402A 1 ...

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