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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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Installation guide

Model diagram and schematic

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Showing 10 of 37 parts  |
Muffler T7WE06467
#23

Functional parts diagram

Muffler

Part #T7WE06467

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

Lev Coil R01E36242
#11

Functional parts diagram

Lev coil

Part #R01E36242

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

Rear Panel T7WE08682
#8

Structural parts diagram

Rear panel

Part #T7WE08682

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

Grille R01E30691
#1

Structural parts diagram

Grille

Part #R01E30691

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

Valve 4-wy R01E30403
#15

Functional parts diagram

Valve 4-wy

Part #R01E30403

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

Valve Stop T7WE03410
#6

Functional parts diagram

Valve stop

Part #T7WE03410

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

Valve Stop R01E10411
#7

Functional parts diagram

Valve stop

Part #R01E10411

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

Noise Filter T7WE20346
#20

Functional parts diagram

Noise filter

Part #T7WE20346

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 minutes or less

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Maintaining your air conditioner

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