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Midea MDT1-08DEN3-QA3, Service Manual

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Midea MDT1-08DEN3-QA3 Service Manual Download Page 1

YDT1/T2101221 (0)

SERVICE MANUAL

MIDEA DEHUMIDIFIER

T1 SERIES

Factory Model

Sale Model

EU-CF0.3BD/N3-T1(A3)

MDT1-08DMN3-QA3

EU-CFK0.3BD/N3-T1(A3)

MDT1-08DKN3-QA3

EU-CFZ0.3BD/N3-T1(A3)

MDT1-08DEN3-QA3

EU-CF0.4BD/N3-T1(A3)

MDT1-10DMN3-QA3

EU-CFK0.4BD/N3-T1(A3)

MDT1-10DKN3-QA3

EU-CFZ0.4BD/N3-T1(A3)

MDT1-10DEN3-QA3

EU-CFK0.6BD/N3-T1(A3)

MDT1-16DKN3-QA3

EU-CFZ0.6BD/N3-T1(A3)

MDT1-16DEN3-QA3

EU-CF0.6BD/N3-T1(A3)

MDT1-16DMN3-QA3

EU-CF0.8BD/N3-T1(A3)

MDT1-20DMN3-QA3

EU-CFK0.8BD/N3-T1(A3)

MDT1-20DKN3-QA3

EU-CFZ0.8BD/N3-T1(A3)

MDT1-20DEN3-QA3

T2 SERIES

EU-CFZ0.4BD/N3-T2(A3)

MDT2-10DEN3

Summary of Contents for MDT1-08DEN3-QA3

Page 1: ...08DEN3 QA3 EU CF0 4BD N3 T1 A3 MDT1 10DMN3 QA3 EU CFK0 4BD N3 T1 A3 MDT1 10DKN3 QA3 EU CFZ0 4BD N3 T1 A3 MDT1 10DEN3 QA3 EU CFK0 6BD N3 T1 A3 MDT1 16DKN3 QA3 EU CFZ0 6BD N3 T1 A3 MDT1 16DEN3 QA3 EU CF...

Page 2: ...ns 9 7 2 Electric part assembly condition that use 9 7 3 PCB working environment 9 7 4 Protection function 10 7 5 Set humidity operation 11 7 6 Continually dehumidify operation 11 8 Basic test procedu...

Page 3: ...ll the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric sho...

Page 4: ...ck Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or combustible near the product There is risk of fire or f...

Page 5: ...erant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may caus...

Page 6: ...itioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause pe...

Page 7: ...CF0 4BD N3 T1 A3 MDT1 10DMN3 QA3 EU CF0 8BD N3 T1 A3 MDT1 20DMN3 QA3 EU CFZ0 3BD N3 T1 A3 MDT1 08DEN3 QA3 EU CFZ0 4BD N3 T1 A3 MDT1 10DEN3 QA3 EU CFZ0 6BD N3 T1 A3 MDT1 16DEN3 QA3 EU CFZ0 8BD N3 T1 A...

Page 8: ...Display Continue pad Humidity set control pads 3 Dimension T1 Series T2 Series Dimension Mode W mm H mm D mm T1 8L 10L 350 452 275 T1 16L 20L 397 502 297 T2 10L 350 395 350 4 Refrigerant Cycle Diagra...

Page 9: ...EU CF0 4BD N3 T1 A3 MDT1 10DMN3 QA3 EU CF0 6BD N3 T1 A3 MDT1 16DMN3 QA3 EU CF0 8BD N3 T1 A3 MDT1 20DMN3 QA3 2 EU CFK0 3BD N3 T1 A3 MDT1 08DKN3 QA3 EU CFK0 4BD N3 T1 A3 MDT1 10DKN3 QA3 EU CFK0 6BD N3 T...

Page 10: ...8 3 EU CFZ0 3BD N3 T1 A3 MDT1 08DEN3 QA3 EU CFZ0 4BD N3 T1 A3 MDT1 10DEN3 QA3 EU CFZ0 6BD N3 T1 A3 MDT1 16DEN3 QA3 EU CFZ0 8BD N3 T1 A3 MDT1 20DEN3 QA3 EU CFZ0 4BD N3 T2 A3 MDT2 10DEN3...

Page 11: ...TE Temperature of evaporator TH Humidity of ambient TS The set humidity S1 Switch 1 7 2 Electric part assembly condition that use 1 Scope of application of voltage of the power 220 240VAC 50Hz 1phase...

Page 12: ...on the top of water tank S1 a At running status if the water level of water exceeds the safety water level and the S1 closed the unit will protect by itself It will shut down all of load and back to w...

Page 13: ...lly unless there is a water full protection or sensor fault protection The Setting humidity operation is unapplied 8 Basic test procedure 8 1 Defective compressor Compressors are single phase 220 240v...

Page 14: ...must and the other probe in turn to each compressor terminal If a reading is obtained the compressor is grounded and must be replaced 8 1 3 Checking the compressor efficiency The reason for compresso...

Page 15: ...overload 2 Allow time for overload to reset before attempting to test 3 Apply ohmmeter probes to terminals on overload wires There should be continuity through the overload 8 1 6 Terminal overload int...

Page 16: ...to high side of the system 4 Accurately weighing the refrigerant charge actually introduced into the system 5 Facilities for flowing nitrogen through refrigeration tubing during all brazing processes...

Page 17: ...f 10 11 Break vacuum by charging system from the high side with the correct amount of refrigerant specified This will prevent boiling the oil out of the crankcase NOTE If the entire charge will not en...

Page 18: ...ithout the use of a capillary tube will cause damage to the discharge valve of the rotary compressor NOTE All inoperative compressors returned to Friedrich must have all lines properly plugged with th...

Page 19: ...t 1 Remove capacitor from unit 2 Check for visual damage such as bulges cracks or leaks 3 For dual rated apply an ohmmeter lead to common C terminal and the other probe to the compressor HERM terminal...

Page 20: ...0459 7 52 2438 20 12 6431 47 3 8867 6 49 3161 21 12 0561 48 3 7348 5 46 5725 22 11 5 49 3 5896 4 44 23 10 9731 50 3 451 3 41 5878 24 10 4736 51 3 3185 2 39 8239 25 10 52 3 1918 1 37 1988 26 9 5507 53...

Page 21: ...nd recharge the refrigerant after checking for the reason Compressor The compressor is blocked inside Replace after checking for the reason Fan motor will not run No power Check voltage at electrical...

Page 22: ...ssis by open the drainage hose on the chassis Water depth sensing structure Check and replace or realign if the structure is failure Dehumidifier does not dry the air as it should Air filter Clean or...

Page 23: ...7 Drain stopper 1 1 3 Filter 1 8 Handle 1 1 4 Filter guide II 1 10 Water tank assembly 1 2 Display box assembly 1 10 1 water tank 1 2 1 Control panel 1 10 2 cover for water tank 1 2 2 Display board as...

Page 24: ...r guide II 1 10 Water tank assembly 1 2 Display box assembly 1 10 1 water tank 1 2 1 Control panel 1 10 2 cover for water tank 1 2 2 Display board assembly 1 10 3 Dobber 1 2 6 knob 1 11 Water drain pa...

Page 25: ...1 9 2 Water drain pan 1 2 2 Filter guide I 1 10 Compressor 1 2 3 Filter 1 11 Display box assembly 1 2 4 Filter guide II 1 11 1 Control panel 1 3 Exhaust scroll assembly 1 11 2 Display board assembly 1...

Page 26: ...2 1 Front panel 1 9 1 Micro Switch 1 2 2 Filter guide I 1 9 2 Water drain pan 1 2 3 Filter 1 10 Compressor 1 2 4 Filter guide II 1 11 Display box assembly 1 3 Exhaust scroll assembly 1 11 1 Control p...

Page 27: ...nt panel assembly 1 9 1 Micro Switch 1 2 1 Front panel 1 9 2 Water drain pan 1 2 2 Filter guide I 1 10 Compressor 1 2 3 Filter 1 11 Display box assembly 1 2 4 Filter guide II 1 11 1 Control panel 1 3...

Page 28: ...9 1 Micro Switch 1 2 1 Front panel 1 9 2 Water drain pan 1 2 2 Filter guide I 1 10 Compressor 1 2 3 Filter 1 11 Display box assembly 1 2 4 Filter guide II 1 11 1 Control panel 1 3 Exhaust scroll asse...

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