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Mitsubishi
Central Air Conditioner

Model # MXZ-2B20NA Official Mitsubishi outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi MXZ-2B20NA outdoor unit, as well as links to manuals and error code tables, if available.

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

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 40 parts  |
Grille E12939521
#3

Cabinet parts diagram

Grille

Part #E12939521

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

Reactor E12938337
#11

Pcb's assy diagram

Reactor

Part #E12938337

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

Service Po E12A49641
#22

Cabinet parts diagram

Service po

Part #E12A49641

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

Capillary E12938936
#NI

Cabinet parts diagram

Capillary

Part #E12938936

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

Expansion E12851640
Expansion

Part #E12851640

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

Sub Panel E12D36246
#4

Cabinet parts diagram

Sub panel

Part #E12D36246

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

Expansion E12853640
#NI

Cabinet parts diagram

Expansion

Part #E12853640

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

Compressor E12C15900
#5

Cabinet parts diagram

Compressor

Part #E12C15900

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

Cabinet E12D36232
#1

Cabinet parts diagram

Cabinet

Part #E12D36232

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

Capillary E12938937
#NI

Cabinet parts diagram

Capillary

Part #E12938937

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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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

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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