Midea MFJ-24ARN1-QB8 Technical & Service Manual Download Page 11 | Manualshive

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PCB drawing & Wiring diagram

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5.2 MFJ-48ARN1-RB6

Indoor unit

Outdoor unit

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Summary of Contents for MFJ-24ARN1-QB8

Page 1: ...Model MFJ 24ARN1 QB8 MFJ 48ARN1 RB6 Floor Standing Type Air Conditioner...

Page 2: ...ing diagram 8 6 1 MFJ 24ARN1 QB8 8 6 2 MFJ 48ARN1 RB6 9 7 Installation detail 10 7 1 Installation place 10 7 2 Installing 11 7 3 Refrigerant pipe connecting 13 7 4 Drain Pipe of The Indoor Unit 15 7 5...

Page 3: ...or smoke comes from product Turn the breaker off or disconnect the power supply cable as soon as possible When the product is soaked flooded or submerged contact an Authorized service center Be cauti...

Page 4: ...outlet while the product is operated Do not drink the water drained from the product Use a firm stool or ladder when cleaning or maintaining the product Replace the all batteries in the remote control...

Page 5: ...Outer Dimensions 3 2 Out Dimensions 2 1 Indoor Unit Dimension Mode Width mm Height mm Depth mm 24K 500 1700 290 48K 540 1825 410...

Page 6: ...Outer Dimensions 4 2 2 Outdoor Unit Dimension Mode Width mm Height mm Depth mm A mm B mm 24K 840 695 335 560 335 Dimension Mode Width mm Height mm Depth mm A mm B mm 48K 940 1245 360 602 380...

Page 7: ...al airflow control louver 5 Remote controller holder on some models 6 Air inl et 2 sides 7 Drain pipe vent pip e 8 Connection cable 9 Connection pipe 10 Refrigerant pipe po rt 11 Air outlet Indoor uni...

Page 8: ...icators Auto operation display Cool ing operation display Dry operation display Heating operation disp lay Fan operation display Vert ical airflow display Hori zontal airflow disp lay Slee p operation...

Page 9: ...Refrigerant cycle diagram 7 4 Refrigerant cycle diagram 4 1 Cooling only 4 2 Heat pump mode...

Page 10: ...PCB drawing Wiring diagram 8 5 PCB drawing wiring diagram 5 1 MFJ 24ARN1 QB8 Indoor unit Outdoor unit...

Page 11: ...PCB drawing Wiring diagram 9 5 2 MFJ 48ARN1 RB6 Indoor unit Outdoor unit...

Page 12: ...etween the indoor unit and the outdoor unit the length of the refrigerant pipe and the curved places bend of the pipe are no more than the following numbers Elevation difference no more than 10 M if t...

Page 13: ...sible nearby 6 2 Installing 6 2 1 To prevent the indoor unit from falling you must Pay full attention to the unit because its long outer shape makes it easy to fall Safety Lock Screws 3 9 25 M8 Screws...

Page 14: ...ole position on the bottom Wiring Hole 35 Refrigerant drain Pipe hole Refrigerant drain Pipe hole 6 2 4 Ship the a c to the installation place originally packed Be careful while hanging the unit becau...

Page 15: ...pe size C apacity 6 3 2 Piping connection 6 3 2 1 Connecting Of Refrigerant Pipe a Only the correctly installing of indoor and outdoor unit done can the refrigerant pipe be connected b The cut off val...

Page 16: ...above steps step1 or step 2 Note Before screwing the reamer nut smear the pipe and the connecting surface with refrigerant oil Check and make sure there is no leakage by soap water or leakage checker...

Page 17: ...he hard polyvinyl chloride PVC plastic pipe external diameter 26 mm sold is the market is suitable for the attached soft drain pipe Please connect the Soft Drain Pipe with the Drain Pipe then fix it w...

Page 18: ...panel and lift the panel up to angle which remains fixed Do not lift the panel any further when it stops with a click sound 2 Press the manual switch button twice until the operation indicator lights...

Page 19: ...re T1 room temperature 7 3 2 3 Indoor Fan Action Anytime remote switchover for fan speed among high low auto anti cold air function takes priority Auto fan in heating mode Anti cold air Switchover bet...

Page 20: ...ut down Compressor keeps on 7 3 3 3 Ending Of Defrosting Condition meet one of the following is ok 1 Time of defrosting lasts 10 minutes 2 Temperature of outdoor coil T3 is up to 20 C 7 3 4 Cooling Mo...

Page 21: ...sn t start up within consecutive 15 minutes the operation mode will be re chosen according to the T1and Ts 7 3 6 4 If certain condition is met then the corresponding protective function will be execut...

Page 22: ...2 39 8239 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2...

Page 23: ...tus 9 1 3 2 Protection principle Condition Outdoor fan Compressor T2 2 C last 3 minute Off Off T2 8 C On On 9 1 3 3 The restart of the compressor shall execute the delay protection 9 1 4 Condenser hig...

Page 24: ...ems referring to given remediation If the trouble can t be settled contact our dealer Trouble Cause Solutions Unit does not start Power failure Wait for the comeback of power Power switch is open Swit...

Page 25: ...pressor turns off automatically Turn off the unit clean the air filter then restart the unit If this operation does not work please contact service people 5 P5 The temperature of condenser of the outd...

Page 26: ...sion Weight Indoor Dimension W H D mm 500x1700x290 540x1825x410 Packing W H D mm 615x1805x415 655x1935x555 Net Gross weight Kg 41 5 58 5 58 75 Outdoor Dimension W H D mm 840x695x335 940x1245x360 Packi...

Page 27: ...g Welling Input W 164 300 Capacitor uF 5UF 450V 6 5UF 450V Speed high low r min 575 540 440 600 550 480 Outdoor Model YDK100 6D YDK65 6F YDK65 6 Brand Welling Welling Input W 170 156 148 Capacitor uF...

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