Mitsubishi
Central Air Conditioner

Model #PUY-A12NHA-BS Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Mitsubishi PUY-A12NHA-BS split-system outdoor unit, 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.

    Showing 10 of 33 parts

    Thermistor#9

    Functional parts Diagram

    Thermistor

    Part #R01E78202

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

    Nut#3

    Functional parts Diagram

    Nut

    Part #R01E04097

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

    Strainer#6

    Functional parts Diagram

    Strainer

    Part #R0130L450

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

    Ser Panel#5

    Cabinet parts Diagram

    Ser panel

    Part #T7WE03667

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

    Grille#1

    Cabinet parts Diagram

    Grille

    Part #R01E10691

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

    Compressor#5

    Functional parts Diagram

    Compressor

    Part #T92570280

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

    Lev Coil#12

    Functional parts Diagram

    Lev coil

    Part #R01E36242

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

    Valve Stop#7

    Functional parts Diagram

    Valve stop

    Part #T7WE03410

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

    Accumulato#10

    Functional parts Diagram

    Accumulato

    Part #R01E32440

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

    Power PCB#22

    Functional parts Diagram

    Power pcb

    Part #T7WE19313

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

    Articles and videos common to all central air conditioners

    November 30, 2022

    2023 HVAC regulation changes and how they may affect you

    By Lyle Weischwill

    Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.

    October 24, 2022

    Easy DIY appliance repairs that anyone can do

    By Lyle Weischwill

    Get advice on simple DIY fixes for appliances that you can safely do on your own.

    August 5, 2022

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

    By Lyle Weischwill

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