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  |

Thermistor E12A54307
#15

Fan assy diagram

Thermistor

Part #E12A54307

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

Terminal E12C30780
#10

Fan assy diagram

Terminal

Part #E12C30780

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

Central Air Conditioner Air Filter MAC-415FT-E
#7

Cabinet parts diagram

Central air conditioner air filter

Part #MAC-415FT-E

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

Conduit Co E12C30979
#9

Fan assy diagram

Conduit co

Part #E12C30979

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

Band Motor E12897333
#18

Fan assy diagram

Band motor

Part #E12897333

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

Mitsubishi Central Air Conditioner Electronic Control Board E12A55452
#13

Fan assy diagram

Mitsubishi central air conditioner electronic control board

Part #E12A55452

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

Terminal B E12913375
#12

Fan assy diagram

Terminal b

Part #E12913375

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

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

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.…