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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.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 32 parts  |
Sw Holder E12915782
#16

Fan assy diagram

Sw holder

Part #E12915782

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

Corner Box E12A32975
#8

Cabinet parts diagram

Corner box

Part #E12A32975

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

Room Air Conditioner Remote Control Holder E12527083
#12

Cabinet parts diagram

Room air conditioner remote control holder

Part #E12527083

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

Vane Motor E12897303
#5

Fan assy diagram

Vane motor

Part #E12897303

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

Central Air Conditioner Room Temperature Thermistor E12897308
#14

Fan assy diagram

Central air conditioner room temperature thermistor

Part #E12897308

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

Remote Control E12C22426
#11

Cabinet parts diagram

Remote control

Part #E12C22426

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

Catechin L E12915100
#5

Cabinet parts diagram

Catechin l

Part #E12915100

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

Liquid Union E12151667
#3

Heat exchanger diagram

Liquid union

Part #E12151667

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

Heat Exchange E12A54620
#1

Heat exchanger diagram

Heat exchange

Part #E12A54620

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

Symptoms for upright freezers

Why does my freezer have a sheet of ice at the bottom?

Main causes: clogged or frozen defrost drain tube…

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Repair guides for upright freezers

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…

Read more
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…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Read more
Repair difficulty
Time required
 45 minutes or less

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

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