Mitsubishi
Central Air Conditioner

Model # MU12NN2 Official Mitsubishi air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MU12NN2 air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 22 parts  |

Terminal E02475374
#12

A/c unit diagram

Terminal

Part #E02475374

The manufacturer no longer makes this part, and there's no substitute part

Service Pa E02270245
#3

A/c unit diagram

Service pa

Part #E02270245

The manufacturer no longer makes this part, and there's no substitute part

Fusible Pl E02474642
#NI

A/c unit diagram

Fusible pl

Part #E02474642

The manufacturer no longer makes this part, and there's no substitute part

Stop Valve E02150661
#16

A/c unit diagram

Stop valve

Part #E02150661

The manufacturer no longer makes this part, and there's no substitute part

Terminal E02476374
#12A

A/c unit diagram

Terminal

Part #E02476374

The manufacturer no longer makes this part, and there's no substitute part

Cabinet E02141232
#1

A/c unit diagram

Cabinet

Part #E02141232

The manufacturer no longer makes this part, and there's no substitute part

Compressor E02270353
#10

A/c unit diagram

Compressor

Part #E02270353

The manufacturer no longer makes this part, and there's no substitute part

Outdoor Fan E02270301
#8

A/c unit diagram

Outdoor fan

Part #E02270301

The manufacturer no longer makes this part, and there's no substitute part

Capillary E02140936
#NI

A/c unit diagram

Capillary

Part #E02140936

The manufacturer no longer makes this part, and there's no substitute part

Outdoor Fan E02270351
#11

A/c unit diagram

Outdoor fan

Part #E02270351

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your central air conditioners

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Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to prevent the 2 most common AC failures from ruining your summer

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