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Mitsubishi
Central Air Conditioner

Model # MU12CN Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MU12CN 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  |
Base Assmy T2W523290
#7

Outdoor unit diagram

Base assmy

Part #T2W523290

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

Side Panel T2W510249
#3

Outdoor unit diagram

Side panel

Part #T2W510249

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

Compressor T2W521661
#11

Outdoor unit diagram

Compressor

Part #T2W521661

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

Tdr Fn Thrm M21G14309
#18

Outdoor unit diagram

Tdr fn thrm

Part #M21G14309

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

Heat Exchanger T2W516630
#9

Outdoor unit diagram

Heat exchanger

Part #T2W516630

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 minutes or less

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Maintaining your air conditioner

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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