Mitsubishi
Air Handler

Model # MSZ-A12NA-1 Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MSZ-A12NA-1 split-type air conditioner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 32 parts  |

Remote Control E12C22426
#11

Cabinet parts diagram

Remote control

Part #E12C22426

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

Pcb Holder E12915095
#7

Fan assy diagram

Pcb holder

Part #E12915095

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

Sw Holder E12915782
#16

Fan assy diagram

Sw holder

Part #E12915782

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

Box E12A32234
#1

Cabinet parts diagram

Box

Part #E12A32234

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

Horiz Vane E12913040
#6

Fan assy diagram

Horiz vane

Part #E12913040

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

Band Motor E12897333
#18

Fan assy diagram

Band motor

Part #E12897333

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

Nozzle Assembly E12A54235
#4

Fan assy diagram

Nozzle assembly

Part #E12A54235

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

Terminal E12C30779
#11

Fan assy diagram

Terminal

Part #E12C30779

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

Central Air Conditioner Evaporator Fan Blade E12897302
#19

Fan assy diagram

Central air conditioner evaporator fan blade

Part #E12897302

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

Union Gas E12815666
#2

Heat exchanger diagram

Union gas

Part #E12815666

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

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air handlers

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…