Mitsubishi
Central Air Conditioner

Model # PUZ-A18NHA3 Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi PUZ-A18NHA3 split-system outdoor unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 37 parts  |

Central Air Conditioner Electronic Control Board T7WE38313
#21

Functional parts diagram

Central air conditioner electronic control board

Part #T7WE38313

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

Motor Support R01E29130
#9

Structural parts diagram

Motor support

Part #R01E29130

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

Ser Panel T7WE03667
#5

Structural parts diagram

Ser panel

Part #T7WE03667

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

Central Air Conditioner Electronic Control Board T7WE84315
#18

Functional parts diagram

Central air conditioner electronic control board

Part #T7WE84315

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

Terminal Block T7WE39716
#17

Functional parts diagram

Terminal block

Part #T7WE39716

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

Thermistor R01E97202
#14

Functional parts diagram

Thermistor

Part #R01E97202

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

Strainer R0131L450
#5

Functional parts diagram

Strainer

Part #R0131L450

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

Muffler T7WE06467
#23

Functional parts diagram

Muffler

Part #T7WE06467

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

Base R01E34686
#3

Structural parts diagram

Base

Part #R01E34686

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

Compressor T92570280
#4

Functional parts diagram

Compressor

Part #T92570280

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.

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

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

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

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

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

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

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.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.

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.…