Central Air Conditioner

Model # MXZ-2A20NA Official Mitsubishi outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi MXZ-2A20NA outdoor unit, as well as links to manuals and error code tables, if available.

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Browse Parts for
MXZ-2A20NA Outdoor Unit
Lev Coil E12819493
#17

Cabinet parts diagram

Lev coil

Part #E12819493

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

Mitsubishi Compressor E12B05900
#4

Cabinet parts diagram

Mitsubishi compressor

Part #E12B05900

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

Capillary E12939936
#NI

Cabinet parts diagram

Capillary

Part #E12939936

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

Pcb Noise E12B05444
#5

Pcb's assy diagram

Pcb noise

Part #E12B05444

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

Handle E12817009
#2

Cabinet parts diagram

Handle

Part #E12817009

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

Rear Guard E12939523
#20

Cabinet parts diagram

Rear guard

Part #E12939523

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

Valve Ball E12C06662
#14

Cabinet parts diagram

Valve ball

Part #E12C06662

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

Mitsubishi Power Boar E12B05440
#3

Pcb's assy diagram

Mitsubishi power boar

Part #E12B05440

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

Top Panel E12819297
#19

Cabinet parts diagram

Top panel

Part #E12819297

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

Rubber Set E12065506
#5

Cabinet parts diagram

Rubber set

Part #E12065506

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

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Main causes: clogged drain hole, air conditioner not leveled properly…

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

Repair difficulty
Time required
 90 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 window air conditioner.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…