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Mitsubishi
Central Air Conditioner

Model # PUZ-A42NHA3 Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi PUZ-A42NHA3 split-system outdoor unit, as well as links to manuals and error code tables, if available.

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 44 parts  |
Cover Pane R01E11658
#8

Structural parts diagram

Cover pane

Part #R01E11658

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

Cover Pane R01E13658
#7

Structural parts diagram

Cover pane

Part #R01E13658

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

Handle R01E02655
#13

Structural parts diagram

Handle

Part #R01E02655

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

Central Air Conditioner Compressor T97415778
#10

Functional parts diagram

Central air conditioner compressor

Part #T97415778

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

Thermistor R01E94202
#19

Functional parts diagram

Thermistor

Part #R01E94202

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

Reactor T7WE17259
#24

Functional parts diagram

Reactor

Part #T7WE17259

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

Fuse 6.3a R01E06239
#30

Functional parts diagram

Fuse 6.3a

Part #R01E06239

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

Stop Valve T7WE04410
#9

Functional parts diagram

Stop valve

Part #T7WE04410

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

Main Smoot R01E20254
#29

Functional parts diagram

Main smoot

Part #R01E20254

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

4-way Valve T7WE05403
#6

Functional parts diagram

4-way valve

Part #T7WE05403

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

Symptoms for gas walk-behind mowers

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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 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 vibrate a lot?

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

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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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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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Repair guides for gas walk-behind mowers

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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…

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 15 minutes or less
How to replace a lawn mower blade

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

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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…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your central air conditioners

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Maintaining your air conditioner

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

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