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Mitsubishi Electric MJ-E14EG-S1-IT, Руководство по обслуживанию

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2013

DEHUMIDIFIER

SERVICE MANUAL

Model

MJ-E14EG-S1-IT

No.MJW-E-13020

Sold from 2014

CONTENTS

1.    Precautions 

2

2.    Names and Functions of Parts 

4

3.    Specifications 

5

4.    Outer Dimensions 

5

5.    Wiring Diagram 

6

6.    Function 

7

7.    Technical Points 

8

8.    Precautions for failure diagnosis 

9

9.    Troubleshooting Procedure 

10

10.  Troubleshooting 

18

11.  Maintenance 

20

12.  Service Checklist 

21

13.  Precautions for Disassembly and Reassembly 22
14.  Disassembly and Reassembly Hints 24
15.  Parts Catalog 

34

Содержание MJ-E14EG-S1-IT

Страница 1: ...ts 4 3 Specifications 5 4 Outer Dimensions 5 5 Wiring Diagram 6 6 Function 7 7 Technical Points 8 8 Precautions for failure diagnosis 9 9 Troubleshooting Procedure 10 10 Troubleshooting 18 11 Maintenance 20 12 Service Checklist 21 13 Precautions for Disassembly and Reassembly 22 14 Disassembly and Reassembly Hints 24 15 Parts Catalog 34 ...

Страница 2: ...2 1 Precautions 2 Note This page is extracted from the instruction manual ...

Страница 3: ...3 3 Note This page is extracted from the instruction manual ...

Страница 4: ...4 2 Names and Functions of Parts Note This page is extracted from the instruction manual ...

Страница 5: ...5 3 Specifications 4 Outer Dimensions Note This page is extracted from the instruction manual 238 160 80 210 360 534 ...

Страница 6: ...control board Power supply board Control board Com pressor Capacitor for compressor Fan Solenoid Valve White Red Gray Gray Black Yellow Blue Blue Yellow Green Blue Brown Power plug Humidity sensor Room temperature sensor Thermopile Move Eye Ambient tempera ture Object tempera ture Float switch Gray Blue White White White Gray Tube temperature thermistor Stepping motor left right Stepping motor up ...

Страница 7: ...swing monitor 2 CHILD LOOK Lit when child lock is ON Switch POWER MOVE EYE 6 6 DEHUMIDIFY 6 6 SWING 5 5 5 SWING 5 5 5 DRYING INSIDE TIMER 7 CHILD LOCK 1 Operates when ON is selected for the up down louvre Stops when OFF is selected 2 Operates when ON is selected for the left right louvre Stops when OFF is selected 3 Operates when the blower fan is running 4 Can only operate when using MOVE EYE LAU...

Страница 8: ...8 7 Technical Points Note This page is extracted from the instruction manual ...

Страница 9: ...his may cause electric shock Do not touch a rotating object until it completely stops The rotating object may catch your hand etc and result in injuries Do not work with wet hands This may cause electric shock Check the wiring diagram before wiring processing Failure to do so may cause combustion generation of smoke and or malfunction After the work lay the wire out as it was before Failure to do ...

Страница 10: ...has fallen off Check that the power supply board control board and operation control board connectors are firmly connected carefully check whether any of the connector pins have been pulled out etc Firmly insert the connectors or connector pins in the trouble spots Replace the operation control board Replace the control board Replace the power supply board Is the FULL lamp lit Is the tank full Dra...

Страница 11: ...otector continuity Normal shorted Abnormal open Check it at normal temperature with the power OFF Is the operating environment low temperature below 3 2 C Check the resistance values for the compressor Normal 24 to 27 Ω between C R 40 to 45 Ω between C S Abnormal Open or shorted Is there an overcurrent Surface is hot Replace the power supply board Replace the control board Replace the motor protec...

Страница 12: ...ng modes Operation stops at the set time as timer operation is given priority The main unit is operating normally if through are true Is the up down swing louvre OFF Check the connector connection between the control board P11 connection and the stepping motor connector and connector pins Check the resistance values between the stepping motor connector pins Normal Terminals 1 2 Terminals 1 3 342Ω ...

Страница 13: ... switch to ON within 2 seconds After it starts up select the mode with the TIMER switch Press the TIMER switch 6 times to select the mode 6 the selected mode number is displayed in the timer display Check method Cover the MOVE EYE sensor with the palm of the hand and check whether the humidity display shows approximately 35 Replace the move eye How to check the MOVE EYE and louvre operations Hang ...

Страница 14: ...3 4 Normal 8 to 20 8KΩ Abnormal Open or shorted Is there dust or dirt on the humidity sensor Remove the dust or dirt from the humidity sensor Replace the control board Check the humidity sensor operation Hold a steaming towel or hot air from a dryer close to the humidity sensor for 1 minute If the humidity indicator rises it is OK Normal YES YES NG NG YES NG NO NO OK OK NO OK OK OK Is the dehumidi...

Страница 15: ...across terminals with a tester Coil temperature 10 C to 30 C Normal Abnormal C R side 24Ω to 27Ω Open or shorted C S side 40Ω to 45Ω Blower fan motor Measure the resistance values across terminals with a tester Part temperature 10 C to 30 C Normal Abormal Yellow Blue 217Ω to 236Ω Open or shorted Black Blue 219Ω to 237Ω Be careful of injury or shock Solenoid valve coil Measure the resistance values...

Страница 16: ...perature Check the connectors Replace the move eye thermopile E5 Move eye thermopile AMB Low temperature abnormal ambient temperature Check the connectors and the disconnection Replace the move eye thermopile E7 Tube temperature thermistor disconnected Check the connectors Check the P15 tube temperature thermistor connection E8 Tube temperature thermistor short P4 Compressor failure Check the air ...

Страница 17: ...ch to change the diagnostic mode 0 to 13 The selected mode number is displayed in the timer display Finish Turn the power OFF How to display the humidity indicator by diagnostic mode In decimal 0 1 2 4 6 8 9 10 13 In hexadecimal 3 5 7 11 12 3 Demo mode Start Hold the MOVE EYE and DEHUMIDIFY switches together when the power is off and press the POWER switch Operations Demo mode continues until the ...

Страница 18: ...18 Note This page is extracted from the instruction manual 10 Troubleshooting ...

Страница 19: ...19 Note This page is extracted from the instruction manual ...

Страница 20: ...20 11 Maintenance Note This page is extracted from the instruction manual ...

Страница 21: ...Installation conditions Is the unit installed at the flat place Is the unit installed at the stable place The unit is not easy to fall down Is a firm ground selected for the installation place Be careful with a hollow floor corrosion etc Is there enough space around the unit Is there no wall ceiling curtains etc near the unit Verify that the unit is not installed where it is exposed to direct sunl...

Страница 22: ...ore wiring processing Failure to do so may cause combustion generation of smoke and or malfunction After the work lay the wire out as it was before Failure to do so may cause combustion generation of smoke and or malfunction Do not alter the product This may cause fire electric shock and or injuries Comply with the law Follow the applicable laws and regulations such as Fire Prevention Ordinance an...

Страница 23: ...h the unit with water This may result in fire combustion or malfunction Wear gloves Keep away Do not install unit Check Operation check No water CAUTION 1 When the service requires disassembly be sure to remove the power cord from the outlet 2 When it is necessary to perform the work with the power on be careful not to touch the live part 3 Use appropriate tools for the work 4 Use the specified pa...

Страница 24: ...ires around the control board 14 Disassembly and Reassembly Hints Precautions for Assembly Firmly connect the lead wire connectors Firmly tighten the screw connectors in particular If the binding band holding the lead wires is cut it must be replaced with a new binding band Hold the lead wires that were removed in place with a clamper etc and do the wiring 1 Removing the water tank Pull out the wa...

Страница 25: ...ank Remove the rear casing assembly See 2 Removing the filter cover and rear casing assembly Remove the front casing set screw 1 from the side of the main unit Release the catch on the bottom of the front casing hold both sides release the left and right catches 3 so it opens pull it forwards release the blower fan frame catches 5 and remove the front casing Removing the front casing Caution The c...

Страница 26: ...board cover T set screw 1 and pull out the power supply board assembly Removing and replacing the power supply board Precautions for Assembly Do not forget the lead wires that are held together Install the lead wires as shown in Remove the board box and disconnect all of the connectors P1 P2 P3 P7 P8 and P30 Remove the power supply board set screw 1 and remove the board Removing and replacing the ...

Страница 27: ...ly The motor lead wires must pass through the casing catch 8 Removing and replacing the power plug Remove the board holder from the power supply board assembly See 6 Removing and replacing the power supply board Disconnect connector P1 from the power supply board Remove the earth wire set screw 1 and remove the power cord earth wire Remove the power cord from the main unit clamper and remove from ...

Страница 28: ...itch Remove the connector P12 Control board Float switch Float switch set screw 1 Float switch Float switch set screw 9 Removing and replacing the solenoid valve Remove the board holder from the power supply board assembly See 6 Removing and replacing the power supply board Disconnect connector P6 from the power supply board Remove the solenoid valve set screw 1 to remove the solenoid valve Removi...

Страница 29: ...or the tube temperature thermistor so that the lead wire does not touch the heat exchanger 11 Removing and replacing the drain pan assembly Remove the blower fan assembly See 7 Removing and replacing the blower net and the blower motor Release the drain pan catches 4 from the base and remove the drain pan assembly while holding the heat exchange assembly away from the main unit Removing and replac...

Страница 30: ...rod 1 to 3 and remove the louvre U assembly Gently open both ends of louvre CY 2 and louvre CY 3 and remove the louvre Remove the MOVE EYE set screw 1 release the left and right CY 1 louvre catches and remove the louvre while pulling out the fin shaft Remove the louvre CY N linked fins joint and remove the linked fins Remove the mount MS set screw 1 and remove the mount MS Remove the stepping moto...

Страница 31: ...not turn and at the same time line up the gear M notch in the upward direction and attach If the gear position shifts even one tooth the louvre open close position shifts If gears L3 L2 and L1 are allowed to move in the direction of the arrows it is easier for them to fit together Install the stepping motor and gear SM Run the lead wires through the gear holder hole and tighten the gear holder set...

Страница 32: ...op position The louvre CY 2 front edge must be at the difference position at the stop position The louvre CY 3 front edge must be at the stopper position at the stop position Louvre CY 1 CY 2 and CY 3 must have no gaps Precautions for Assembly When the move sensor assembly side is held and rotated left and right 60 a total of 120 adjust the length of the sensor lead wires so that they do not becom...

Страница 33: ...33 ...

Страница 34: ...8 142 143 127 124 120 121 122 123 129 130 131 140 132 133 135 126 125 139 145 146 134 136 137 107 108 SCW PL TBFZR 4 12 1 SCW PL TBFZR 4 12 6 TBFZR 3 10M 2 SCW PL TBFZR 4 12 2 SCW DPFZR PT White 3 10 1 SCW TPFZR 3 8N 3 SCW DPFZR PT 3 10 1 SCW PL TBFZR 4 12 2 SCW TBFZR 3 10M 1 SCW PL TBFZR 4 12 1 SCW PL TBFZR 4 12 3 141 116 SCW MPFZR M4 14 TORX 2 115 15 Parts Catalog ...

Страница 35: ...75 345 M22 C75 345T M22 B56 320TC M22 B56 330 M22 B46 340 M22 B70 310R M22 B56 0553 M22 B56 0556 M22 C81 310 M22 B56 0555 M22 B56 180 M22 B56 321F M22 C75 310 M22 C95 689 M22 B70 320 M22 C98 555 M22 C95 440 M22 C98 311 M22 B56 261G1 M22 B56 261GW M22 B56 110L1 M22 B56 110L2 M22 B56 110L3 M22 B56 110M M22 B56 110 M22 B70 620 M22 B70 260 M22 C98 405 M22 B66 405CY2 M22 B66 405CY3 M22 B56 405CY1 M22 B...

Страница 36: ...Fan Parts 212 201 203 204 219 217 206 202 209 207 208 205 210 213 214 216 218 211 SCW PL TBFZR 4 12 1 SCW PL TBFZR 4 12 4 SCW TPFZR 4 8M After removing the filament tapes be sure to attach new ones Filament tapes width 19 NUT LFZR M6 1 SCW PL TBFZR 4 12 2 220 215 ...

Страница 37: ...1 1 1 1 1 1 Gray 440V 6 5UF 7 70 T5 7 70 T5 7 170 T5 E14EG E1 100EX E14EG E1 100EX E100VX K 100EX E14EG E1 E21CX S1 IT 100GX 10HGX 10HGX E14EG E1 E14EG E1 100GX E80EX H E14EG E1 E80EX H 100EX 100EX 100EX M22 C98 310 M22 B56 360 M22 C98 689M M22 B56 321 M22 C60 041 M22 B56 119 M22 C98 260 M22 C73 620 M22 B66 770T M22 B70 311 M22 B70 311T M22 C98 320 M22 C98 689 M22 B66 260 M22 C75 546 M22 C98 320T ...

Страница 38: ...embly Diagram Heat Exchanger and Compressor Parts SCW BPBN M4 6 1 322 343 321 335 332 339 333 324 340 341 334 337 336 317 318 323 306 320 319 SCW TPFZR 5 35M 3 SPL WASHER R 3 325 308 305 307 309 327 SCW DPFZ SPL 4 12 1 304 302 303 301 329 331 330 328 326 310 311 313 312 314 315 338 316 342 SCW DPFZ SPL 4 12 1 ...

Страница 39: ...80SX E80EX H E14CG S1 SWE 100FX E105EF TW E14EG E1 100EX 100EX 100EX 100EX 100EX 100EX 100EX E92CG TW E82CF H M22 C98 200 M22 J90 908 M22 B70 100 M22 C95 509 M22 B66 340 M22 C75 501 M22 B56 202 M22 B39 120 M22 B56 128 M22 B66 770 M22 C81 390 M22 B63 390H M22 B56 555 M22 B51 069 M22 B51 320 M22 B51 368 M22 C75 502 M22 J16 923 M22 B13 511 M22 C75 118 M22 C92 320 M22 B63 420S M22 C81 420 M22 C98 629 ...

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