Mitsubishi
Central Air Conditioner

Model # MU12BN Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MU12BN split-type 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 19 parts  |

Side Panel T2W510249
#3

Outdoor unit diagram

Side panel

Part #T2W510249

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

Comp Capctr T2W500353
#14

Outdoor unit diagram

Comp capctr

Part #T2W500353

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

Prplr Blde R01093115
#6

Outdoor unit diagram

Prplr blde

Part #R01093115

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

Base Assmy T2W523290
#7

Outdoor unit diagram

Base assmy

Part #T2W523290

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

Motor Prtctr T2W394330
#17

Outdoor unit diagram

Motor prtctr

Part #T2W394330

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

Chrge Plug T2W457641
#12

Outdoor unit diagram

Chrge plug

Part #T2W457641

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

Cabinet T2W510232
#1

Outdoor unit diagram

Cabinet

Part #T2W510232

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

Liqud Vlv T2W460662
#10

Outdoor unit diagram

Liqud vlv

Part #T2W460662

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

Fn Thrmstat M21269306
#18

Outdoor unit diagram

Fn thrmstat

Part #M21269306

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

Compressor T2W521661
#11

Outdoor unit diagram

Compressor

Part #T2W521661

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Maintaining your air conditioner

Maintaining your air conditioner

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

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

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

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

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